1502results about How to "Affect normal work" patented technology

The invention provides a smart home, a smart home control method, a control system and electronic equipment. The smart home control method includes: prestoring first identification information of the smart home; receiving first communication information of smart home broadcast, and acquiring second identification information of the smart home according to the first communication information; judging whether the second identification information is matched with the first identification information or not, and if yes, sending a communication binding request to the smart home according to first address information, contained in the first communication information, of the smart home; when feedback information, consenting to the communication binding request, sent by the smart home is received, setting up a communication channel with the smart home, and controlling the smart home through the communication channel. The smart home, the smart home control method, the control system and the electronic equipment have the advantages that safety in communication between a smart terminal and the smart home can be improved, time consumption for searching in each-time connection setup between the smart terminal and the smart home is avoided, and the fact that the smart home can report the information to the smart terminal smoothly is guaranteed.

The invention relates to the field of production machining mechanical equipment and discloses full-automatic feeding, cutting and receiving equipment. A material slot of a feeding device of the full-automatic feeding, cutting and receiving equipment is provided with a shifting mechanism consisting of a shifting fork and a shifting rod. The end of the shifting mechanism, which corresponds to a rear baffle plate of the feeding device, is provided with a leveling mechanism. A feeding bracket at the side of an unloading mechanism, which is correspondingly connected with a tube cutting device, is provided with a clamping mechanism. A lower roller and a side roller which are connected are arranged in the unloading mechanism. A split clamp of the tube cutting device is arranged on a tube cutting bracket through a trapezoid block. A recovery device consists of a recovery mechanism and a return mechanism, wherein the recovery mechanism is arranged at one side of the split clamp in a leveling mode; and the return mechanism is arranged on a recovery bracket at the rear end of the recovery mechanism. A brush wheel is arranged in the return mechanism. A machining method of the equipment comprises the steps of adding, aligning, feeding, cutting and receiving. The full-automatic feeding, cutting and receiving equipment is smooth to feed materials and is clear to separate the materials, so that resource waste is avoided, the machining procedures of the engineering are reduced, the cutting quality is improved, both manpower and material resources are saved and the production efficiency is improved.

The invention relates to an electrifying startup circuit and an electrifying startup method thereof. The electrifying startup circuit simultaneously realizes an electrifying time-delay control function and a current limiting protection function by using a multiplexing pin of a chip in which a power switching tube and a control circuit are integrated and using an external RC time-delay circuit, so the electrifying startup circuit starts to work after a certain time delay. A control chip is provided with at least three pins such as the multiplexing pin, an input pin and an output pin, wherein the multiplexing pin is connected with the RC time-delay circuit; the input pin is connected with an input voltage source; the output of the output pin is used for supplying power to lower level connected equipment; a first reference voltage source is arranged in the control chip; the output pin outputs a voltage signal; and the delay time is determined by first capacitance and a first reference voltage. As the electrifying time-delay control and the output current limiting protection share the same multiplexing pin of the integrated control chip, the number of pins of the chip is reduced, and the volume of the chip is reduced; and an output voltage of the electrifying startup circuit is slowly risen according to a certain rising slope, so that damage to subsequent circuits or influence on normal work of the subsequent circuits due to the overshoot of the output voltage in the electrifying process is avoided.

The invention discloses a charging pile device for electric vehicles. The charging pile device comprises a pile body, a canopy, a supporting post, a base and a plurality of groups of power supply components, wherein the canopy is arranged at the top of the pile body, the supporting post is arranged at the bottom of the pile body, the base is arranged at the bottom of the supporting post, and the power supply components are arranged on the left end face of the pile body. An accommodating cavity is arranged in every power supply component, slide guide cavities are formed in the upper and lower sides of the accommodating cavity symmetrically and provided with screws, the right ends of the screws are connected with first motors, moving blocks are arranged in the accommodating cavities, projecting blocks extending into the slide guide cavities are arranged on the upper and lower sides of the moving blocks symmetrically and are connected with the screws in a thread fit manner, and external thread projecting portions are arranged on the left sides of the moving blocks. The charging pile device for the electric vehicles is simple in structure, high in safety, convenient to use and capable of protecting personnel from electric shock due to touching power supply holes.

The invention supplies a method of anti distributivity denial of service attack. It includes the following steps: using processing unit to do amplitude lowering speed limiting for the received message and sending it to control unit; judging whether it is the attack message or not; if it is, sending switching information to the processing unit to separate out it and processing amplitude heightening speed limiting. The invention also supplies its device. It combines data plane and control plane to filtrate the data packet, processes speed limiting, effectively prevent DDoS attack to racing to control exchanger CPU resource.

The invention discloses an off-board charger and an active adaption and self-diagnosis method of a cooling system thereof. The off-board charger comprises a cabinet body and a charging module, a master control module, a temperature sensor and a plurality of cooling fans which are arranged in the cabinet body, wherein the charging module, the cooling fans and the temperature sensor are electricallyconnected with the master control module, the master control module is used for acquiring an output power of the charging module, an ambient temperature acquired by a first sensor and internal equipment temperature data acquired by a second sensor, comparing and analyzing the acquired data and standard reference data stored in advance and generating and sending a corresponding execution instruction to a corresponding execution unit when the acquired internal equipment temperature exceeds a reasonable range of a corresponding internal equipment temperature expected value in the standard reference data, and the execution unit is used for responding the execution instruction. By the off-board charger, the execution instruction can be rapidly made to ensure safety running of the equipment bythe master control module according to a running state of the equipment, and early warning can be performed when a fault occurs in the cooling system.

The invention discloses a charging control method for a low-voltage storage battery of an electric vehicle. The electric vehicle comprises a high-voltage power supply, the low-voltage storage battery and a power supply converter. The power supply converter is connected with the high-voltage power supply and the low-voltage storage battery. The charging control method comprises the following steps that current operating modes of the electric vehicle are detected by a whole vehicle controller of the electric vehicle, wherein the operating modes comprise the driving mode and the parking mode; if the electric vehicle is in the parking mode, the whole vehicle controller obtains electric quantity information of the low-voltage storage battery at preset time intervals after the high-voltage power supply stops high voltage output; and when the electric quantity of the low-voltage storage battery is lower than a charging threshold value lower limit, the whole vehicle controller controls start-up of the power supply converter to convert high voltage electricity into low voltage electricity in order to charge the low-voltage storage battery. The charging control method for the low-voltage storage battery can lower a power-lack risk which occurs in the low-voltage storage battery when the electric vehicle is in the parking mode. The invention further discloses the electric vehicle.

The invention discloses a lightning-proof electric control device of a photovoltaic power generation system, which is arranged in the photovoltaic power generation system and comprises lightning arresters, a special grounding wire, lightning-proof devices and a surge protector. The lightning arresters are arranged on non-conductive roofs of a photovoltaic battery assembly support, a controller and an inverter; the special grounding wire is used for connecting a metal device in the lightning-proof electric control device with a grounding main line; the lightning-proof devices are arranged in asolar battery square matrix connection box, the controller and the inverter; and the surge protector is arranged at an alternating current output end. In the embodiment of the invention, the lightning-proof electric control device of the photovoltaic power generation system avoids influencing normal work due to the damage of the photovoltaic power generation system under the thunder and lightningfunction through equipment including the lightning arresters, the lightning-proof device and the like arranged in the photovoltaic power generation system, so as to achieve the aim of improving the work stability of the photovoltaic power generation system.

Disclosed are a compensation circuit and the method thereof for improving the threshold voltage offset. The compensation circuit comprises a current sensor and a voltage regulation device. The current is used for sensing the current responded and generated after the amorphous silicon gate driver receives the first operating voltage and the second operating voltage. The current sensor outputs the sensing current according to the operating current. The voltage regulation device correspondingly regulates the second operating voltage according to the sensing current to improve the threshold voltage offset.

The invention relates to intelligent security protection equipment with a cleaning function and a good photographing effect. The intelligent security protection equipment comprises a main body, a protection cover and a camera. The protection cover is fixed to the lower portion of the main body. The camera is arranged in the protection cover. A cleaning mechanism is arranged on the main body. An adjusting mechanism is arranged in the protection cover. The cleaning mechanism comprises an erasing assembly and a spraying assembly. The erasing assembly comprises a driving unit and an erasing unit.The driving unit comprises a driving motor, a crank, a connecting rod, a rocker, a supporting rod and a sector gear. The intelligent security protection equipment with the cleaning function and the good photographing effect, the function of cleaning the protection cover is achieved through the cleaning mechanism, the situation that normal operation of the camera is affected due to the fact that the protection cover is blocked by foreign matter is avoided, not only that, the function of adjusting the photographing light intensity of the camera is achieved through the adjusting mechanism, and the condition that the photographing effect of the camera is influenced by too strong light is avoided.

The invention relates to the field of face mask production equipment, in particular to a face mask body making machine. The face mask body making machine comprises a feeding mechanism, a frame, a printing mechanism, a fixed nose bridge strip mechanism, a pattern mechanism, a cutting mechanism, a waste material collecting mechanism and a discharging mechanism, wherein the feeding mechanism is used for feeding non-woven fabrics and nose bridge strips; the printing mechanism is used for printing on the non-woven fabrics; the fixed nose bridge strip mechanism is used for welding the nose bridge strips on the non-woven fabrics; the pattern mechanism is used for molding patterns on the non-woven fabrics; the cutting mechanism is used for cutting corners of the non-woven fabrics on which the patterns are molded; the waste material collecting mechanism is used for recovering waste scraps; the discharging mechanism is used for discharging finished face masks; the printing mechanism, the fixed nose bridge strip mechanism, the pattern mechanism, the cutting mechanism, the waste collecting mechanism and the discharging mechanism are all arranged above the frame, and are all positioned behind the feeding mechanism. The face mask body making machine has high production efficiency, and has contribution to improvement of the face mask quality.

The invention relates to a centralized air supply device of a railway car equipment compartment and an equipment compartment ventilation system. The equipment compartment is composed of a apron board, a bottom plate, an end plate and a framework, one or two centralized air supply devices are installed in the equipment compartment, first air inlets and first air outlets are formed in the apron board, an air inlet of the centralized air supply device is communicated with the first air inlets in the apron board, and an air outlet of the centralized air supply device is communicated with the equipment compartment and used for providing cooling air for air-using equipment in the equipment compartment. Inlet air for the air-using equipment in the equipment compartment is extracted in the equipment compartment, the heat radiation and air filtering effects are good, micro-positive pressure in the equipment compartment is guaranteed, the ways that dust and ice snow enter the equipment compartment are reduced, the number of the first air inlets in the apron board is reduced, and manufacturing and maintenance cost is lowered so that cars can run safely in extremely cold, strong sandy wind, high-temperature environments and other severe environments.

The invention provides a business process processing method and device, a storage medium and computer equipment. Instance data of an unfinished business process instance is cached by using a first database, the second database is used for storing the instance data of the finished business process instance, so that the dynamic expansion of the memory space is realized, and the situation that the normal work of other business process instances is influenced due to the fact that all instance data are cached in the first database and occupy the storage space of the first database is avoided; meanwhile, for the finished business process instance, when the actual instance data of the business process instance needs to be looked up, the second database is directly read, so that the number of times of accessing the first database is reduced, and the usability of the write service is improved; moreover, due to the high concurrent processing capacity of the first database, the consistency of thedata is ensured while the high concurrency of the instance data of the business process instance is realized.

The invention discloses a battery pack management system and a battery pack management method. The system comprisesa battery pack composed of n single batteries which are connected in series, and a main circuit composed of a resistive load R, and further comprises a temperature detection device, a temperature parameter regulation circuit, an optical coupler relay array, a pressure sensor, a current sensor, a main control chip, at least one relay logic control circuit, a first driving circuit, a second driving circuit, a control switch and a display panel. The battery pack management system can be used for detecting working parameters of each single battery of the battery pack, and estimating a residual capacity SOC index and an SOH health index of each single battery; when the working parameters of each single battery are abnormal, the single battery is regulated and protected, so that phenomena that a bucket effect of each single battery occurs so that normal work of the whole battery pack is influenced and the whole battery pack is damaged is avoided.

The present invention discloses a PID resistant device for a solar photovoltaic component using a non-isolated inverter. The device comprises a direct current power supply, a grounding switch, a diode, a timer and a control circuit. The PID resistant device of the present invention is able to automatically apply a positive to-earth direct current close to an open-circuit output voltage value of the solar photovoltaic component between the cathode at the voltage output of the solar photovoltaic component when the solar photovoltaic component is at a night inactive state, thereby counteracting the influence caused by the fact that the cathode at the voltage output of the solar photovoltaic component is at a negative voltage in the daytime, and realizing the suppression of PID phenomenon and performance recovery for the solar photovoltaic component and achieving the restoration of polarization effect generated in the daytime; furthermore, when the solar photovoltaic component is at an electricity generation state at the day time, the grounding switch 6 is automatically opened so as to effectively prevent the PID resistant device of the present invention from influencing the normal operation of the solar photovoltaic component.

The method sets up warm back-up module, registration table, and interface address of warm back-up on main board and standby board, which are utilized as main control board. The communication module and interface between boards are set up on the main board and service boards. After main board and standby board are exchanged, new main board searches warm back-up registration table. Based on interface address of warm back-up, new main board informs to carry out data exchange with service boards. With information of staring data exchange being received, data on new main board are transferred to service boards. The data on service boards are transferred to the new main board through the interface between boards. In the invention, validation and exchange of states and data between main board and service boards can be carrying out online without affecting on normal operation of service boards so as to maintain consistency of data and state for whole system.

The invention discloses a mobile application access authentication and authorization method and system. The method comprises that mobile application transmits an authentication ID to an authentication and authorization server; that the authentication and authorization server verifies the authentication ID according to a preset authentication and authorization logic rule, that the authentication and authorization server generates an access token and transmits the access token to the mobile application when the authentication ID is valid; and that the mobile application has access to a service system with the access token. The method separates the authentication and authorization logic rule from the service system, performs unified management on mobile application access authority with the authentication and authorization server, prevents the normal operation of the service system from being influenced when the authentication and authorization logic rule is modified or redeployed, and dynamically transmits the access token to the mobile application with the authentication and authorization server so as to be beneficial to secure access control of the service system access.

The invention relates to a robot applied to industrial manufacture and the related technical fields, in particular to a four-axis swing-arm articulated robot. The four-axis swing-arm articulated robot comprises a serial machine structure composed of a base component, a biaxial component, a triaxial component and a four-axis component used for picking and placing workpieces, the biaxial component is fixed on the base component vertically, the base component drives the biaxial component to rotate axially, the triaxial component is arranged horizontally with one end slidably connected to the biaxial component, the triaxial component can move on the biaxial component vertically, the four-axis component is arranged horizontally as well with one end rotationally connected to one end, away from the biaxial component, of the triaxial component, and the position, around the joint of the four-axis component and the triaxial component, of the four-axis component is in axial horizontal rotation. By the four-axis swing-arm articulated robot, the problems that conventional four-axis robots are low in safety factor during working, communication lines between axes are damaged easily and the robots cannot work normally in narrow working places and are unsuitable for popularization during production operation on assembly lines for low-price products due to high cost are solved.

The invention discloses an over-voltage absorbing protective circuit capable of accurately presetting a protection value. The over-voltage absorbing protective circuit capable of accurately presetting the protection value is composed of an absorbing element protection unit, a reference voltage, a comparator, an electric control switch, a capacitor and three resistors. According to the over-voltage absorbing protective circuit capable of accurately presetting the protection value, an absorbing protection element can be connected to a two-port network where a spike voltage is located at the moment that a voltage spike exceeds a preset safety voltage, the energy of the spike is absorbed, and the spike voltage value is limited, so that the element in the circuit is protected; when the spike voltage at the two ends of the two-port network reduces to a considered safe value, the absorbing protection element is rapidly disconnected with the circuit, so that normal operation of the circuit is not influenced by the absorbing protection element.

The invention discloses a multifunctional combined appliance comprising a power supply control device, a driving part and a heating part, wherein the driving part and the heating part are arranged in a body on which a detachable vessel is arranged, and the vessel is a sealing body provided with an opening; a stirring and foaming assembly is arranged at a driver position of the driving part corresponding to the vessel; and the stirring and foaming assembly comprises a mesh bracket and a stirring head with a magnetic element which is arranged at the lower part of the stirring head. The invention has the characteristics of simple and reasonable structure, easiness for cleaning, convenience and safety for operation and low manufacture cost. By additionally arranging the mesh bracket and the stirring head which are freely detached on the vessel, one machine with multiple functions is realized; the driving part drives the stirring head in a magnetic force way to rotate at high speed so as to drive liquid in the vessel to flow and dissolve massive beverage additives in the mesh bracket. A convex column on the mesh bracket ensures that the stirring head has enough motion space and also prevents added massive beverage additives from influencing the normal work of the stirring head, thereby achieving the functions of heating, foaming and stirring a beverage.

The invention relates to a monitoring device used for a smart pipe gallery and with a dust removal function. The monitoring device comprises a top plate, a damping mechanism, a connecting plate, a connecting pipe, a camera, a protective shell, a dust removal mechanism and two supporting rods, the dust removal mechanism comprises a dust removal assembly and two rotating assemblies, the dust removalassembly comprises a scraper and two connecting units, the damping mechanism comprises a damping assembly and two heat dissipation assemblies, the damping assembly comprises a fixing plate and two damping units, and each damping unit comprises a damping rod, a second spring and a sliding block. According to the monitoring device used for the smart pipe gallery and with the dust removal function,through the dust removal mechanism, the dust removal function of the protective shell is realized, and the phenomenon that because dust is adhered to the protective shell, the shooting effect of the camera is influenced is avoided; and through the damping mechanism, the damping function of the connecting plate is achieved, and thus shaking of the camera is reduced, and the phenomenon that becausethe shaking is too large, the normal work of the camera is affected is avoided.

The invention relates to the technical field of secondary equipment supervision, is used for solving the problems of low maintenance efficiency and poor maintenance effect caused by the fact that an existing secondary equipment visual supervision system cannot extract characteristics of secondary equipment during abnormal operation, and particularly relates to a secondary equipment visual supervision system based on big data analysis, which comprises a supervision platform, the supervision platform is in communication connection with an online monitoring module, an abnormity analysis module and a maintenance processing module; a secondary device is marked as a monitoring object, an online monitoring module monitors the operation state of the monitoring object in real time and obtains an operation coefficient, whether the operation state of the monitoring object is normal or not is judged according to the numerical value of the operation coefficient, and an operation abnormal signal is sent to a supervision platform when the operation of the monitoring object is abnormal; according to the invention, the operation state of the monitored object can be monitored in real time, and the monitored object can be overhauled in time when the monitored object operates abnormally, so that the monitored object can work normally.

The invention discloses a seawall flood season protection structure and a construction method thereof. The seawall flood season protection structure comprises a wave dissipating device, a wave power generation device, a dam and a buffer system. The wave dissipating device is movably connected to a first supporting structure. The first supporting structure comprises two parallel first supports. The two ends of the first supporting structure are fixedly connected to a speed reducing slope and a current stabilization slope through a foundation pile and a first positioning pile correspondingly. The wave power generation device is arranged at the tail end of the first supporting structure. A second supporting structure is arranged at the other end of the first positioning pile. The buffer system penetrates through the speed reducing slope, the current stabilization slope and the dam. The method includes the steps of surveying and setting out, construction of the foundation pile and the positioning pile, construction of the buffer system, construction of the wave dissipating device and the wave power generation device, construction of the second supporting structure and construction of the dam. By means of the seawall flood season protection structure and the construction method thereof, flood season installation protection of seawalls with different lengths and widths can be met, sediment loss is reduced, a good seawall protection effect is achieved, seawater power generation can be achieved, and economical benefits are remarkable.

The invention belongs to the field of chemical equipment and particularly discloses a chemical reaction device for stirring. The chemical reaction device for stirring comprises a kettle body, wherein the inner wall of the kettle body is made of a nonferromagnetic material; a partition cavity is formed in the inner wall of the kettle body, a plurality of elastic assemblies are arranged in the partition cavity, each elastic assemblies comprises a spring and an elastic block which can be absorbed by a magnetic substance, and one end of the spring is connected to the elastic block while the other end of the spring is fixed to the inner wall of the partition cavity; and a driver which is fixed on a frame is arranged at the top end of a kettle cover, the driver is rotatably connected to a stirring unit located in the kettle body, the stirring unit comprises a stirring shaft, the stirring shaft is hinged to a plurality of stirring rods, and stirring magnetic blocks are fixed to the working ends of the stirring rods. According to the scheme, the device has the technical effects of being simple in structure and uniform to stir and enhancing the unsticking effect as the elastic blocks can vibrate repeatedly.

An automatic wall polishing facility comprises a supporting and travelling mechanism and a polishing mechanism. The supporting and travelling mechanism comprises a base plate. A machine box is arranged on the surface of the top of the base plate, and a first servo motor is installed inside the machine box. A bevel gear at one end is driven through rotation of the first servo motor, the bevel geardrives a first threaded rod to rotate, and therefore an adjusting block is connected with the first threaded rod in a rotating mode through a second threaded hole which is formed inside the adjustingblock, the adjusting block can slide up and down on the first threaded rod, and polishing of the portions, with different heights, of a wall is achieved. Meanwhile, a second threaded rod is horizontally installed on the top of the base plate, and drives a bevel gear to rotate through a second servo motor at one end of the second threaded rod, and therefore the machine box is connected with the second threaded rod in a rotating mode through a first threaded hole which is formed inside the machine box, and the machine box can move in the horizontal direction. Electric telescoping rods and buffersprings are installed on the side wall of the interior of the polishing mechanism so that buffering in the process that the facility makes contact with the wall can be provided. In addition, a dust absorption cover which is connected with an air blower is installed at the bottom end of the polishing mechanism so as to absorb the dust.

The invention discloses a three-dimensional laser scanner for surveying and mapping a coal mine area, and belongs to the technical field of coal mine surveying equipment. The three-dimensional laser scanner comprises a supporting and lifting mechanism, a scanner body, a bearing plate, a dustproof and anti-falling mechanism, a pitching angle adjusting mechanism and a mounting frame, wherein a vertically-arranged rotating cylinder is arranged at the top part of the bearing plate, the rotating cylinder is connected with the bearing plate through a bearing, a mounting disc is arranged at the top part of the rotating cylinder, mounting columns rotationally connected with the mounting frame are arranged on the two sides of the mounting frame, and a connecting block is arranged at the end part ofeach mounting column. According to the three-dimensional laser scanner, the height of each support pad can be manually adjusted, thus the normal surveying and mapping operation of the scanner body isprevented from being influenced by the uneven coal mine area; transparent glass can be automatically wiped under the action of a coal ash wiping assembly, thus the situation that normal operation ofthe scanner body is affected due to the fact that pulverized coal adheres to the transparent glass is avoided; and the pitching angle of the scanner body can be adjusted through the pitching angle adjusting mechanism, and therefore the scanner body can adapt to different coal mine environments.

The invention provides a kitted textile cleaning device with a shock absorbing function, and relates to the field of kitted textiles. The kitted textile cleaning device with the shock absorbing function comprises a cleaning device body, a water pump is fixedly connected to the left side surface of the cleaning device body, a water conveying end of the water pump is fixedly communicated with a water inlet pipe, a conversion box is fixedly connected to the upper portion of the inner left wall of the cleaning device body, and an anti-clogging device is fixedly connected to the inner wall of the conversion box. According to the kitted textile cleaning device with the shock absorbing function, through the cooperation of first springs in shock absorbing barrels and circular plates and the arrangement of shock absorbing columns and protection plates, the kitted textile cleaning device has the shock absorbing function, the problems are effectively solved that current kitted textile cleaning devices generate a lot of vibration in the cleaning process, and the vibration can not only influence the working state of staff but also influence the normal life of surrounding residents, so that noise pollution is caused.

The invention discloses a circular cooler air-feeding system, comprising an circular air pipe and a branch air pipe communicated with the circular air pipe; the branch air pipe is communicated with an circular air channel; the outlet of the circular air channel is communicated with a trolley air inlet pipe which is communicated with a trolley; the circular air channel consists of a circular liquid cell and a door-shaped sealing device; the door-shaped sealing device is connected with the trolley air inlet pipe; the circular liquid cell is covered by a sealing cover plate of the door-shaped sealing device; a door-shaped air-channel inner circular plate and a door-shaped air-channel outer circular plate of the door-shaped sealing device are extended downward to be below the liquid level of the circular liquid cell; the circular liquid cell consists of a circular air-channel liquid-groove inner circular plate, a circular air-channel liquid-groove outer circular plate, a liquid cell inner circular plate and a liquid cell outer circular plate; and the inner circular plate and outer circular plate of the circular air-channel liquid cell are all provided with the double-layer wall structure in the high-temperature zone of the circular cooler. The invention also discloses the circular air channel and the circular liquid cell of the circular cooler. The invention can prevent the liquid in the circular liquid cell from being gasified when the hot off-gas of the circular cooler is recycled so as to guarantee the normal work of the circular cooler.

The invention relates to the technical field of power equipment, in particular to a mobile power distribution cabinet with a buffering housing of a double-layer structure. The power distribution cabinet comprises the housing, first sliding slots are symmetrically formed in the top of an inner cavity of the housing, first springs are connected to the opposite sides of first sliding blocks, a baseplate is slidingly connected to the bottom of the inner cavity of the housing, and fourth springs are connected to the portions, at the bottoms of inner cavities of displacement boxes, of the lower endsof sliding blocks. An electric power cabinet body is arranged in an inner box; semiconductor refrigeration chips are disposed symmetrically on the outer side of the electric power cabinet body; a temperature sensor, a PLC and a refrigeration compressor are sequentially disposed in the middle of the bottom of the inner cavity of the housing; a diversion tube is communicated with the upper end of the refrigeration compressor through connecting tubes to form a circulation loop. Compared with the prior art, the power distribution cabinet has the advantages of not only buffering and protecting electronic components in the power distribution cabinet but also achieving a good heat dissipation function, and the service life of the power distribution cabinet can be prolonged.

The invention relates to a micro-thrust measuring device with on-line calibration and locking functions. The micro-thrust measuring device is used for the parameter testing of the ground long-life test of a Hall effect thruster. In order to measure the real-time thrust value of the Hall effect thruster under a plurality of working conditions in the long-life test process of the Hall effect thruster, a thruster to be tested is installed on a movable frame; the movable frame swings with low amplitude under the action of the thrust of the Hall thruster; the displacement sensor of an electromagnetic feedback assembly performs detection; swing displacement signals are inputted into a PID feedback control circuit; and an electromagnetic feedback force is in linear relation with coil current outputted by the PID circuit; the static characteristic of a thrust frame is calibrated through a standard mass weight in advance, so that the magnitude of the thrust can be obtained. According to the device of the invention, the electromagnetic feedback force method is adopted to carry out multi-times and multi-working-condition real-time on-line measurement on the Hall effect thruster; an on-line calibration and locking device is adopted to lock and unlock the micro-thrust measuring device a plurality of times, so that the static characteristic of the micro-thrust measuring device is obtained inreal time, and the accuracy and reliability of a thrust test are ensured.