34results about How to "Work normally" patented technology

The invention relates to a method for detecting and positioning section faults of a power distribution network containing distributed generators, which comprises a fault judging and positioning part and a fault type recognition part. A fault judging and positioning method comprises the steps of detecting a fault and recognizing a fault phase through comparing the relation between an absolute value of the phase angle difference of each phase current of each power system section and a threshold value, finding out a section where a fault point is located, and timely removing the fault section so as to complete a protection action. A fault type recognizing method comprises the steps of comparing zero-sequence current amplitude values at two end nodes of the fault section at the fault determination moment with a set threshold value on the basis of recognizing the fault phase, and judging whether the zero-sequence current amplitudes at the two end nodes of the fault section at the fault determination moment are less than or equal to the threshold value or not, thereby determining whether the fault is a phase-to-phase fault or a grounding fault. The method provided by the invention can be applied to detecting and positioning the section faults of the power distribution network containing the distributed generators under high permeability.

The invention discloses a movable water spray dust fall engine for controlling the over-standard particulate matter 2.5 (PM 2.5) air quality, and belongs to the technical field of equipment of controlling the PM 2.5 air quality. According to the technical key point, the movable water spray dust fall engine comprises an engine body, wherein a compartment platform is arranged on the rear part of the engine body; a fixed frame is arranged on the compartment platform; a water tank, a high-pressure liquid pump chamber, a gasoline generating set and an electric cabinet are arranged on the fixed frame; a water spray dust fall mechanism is arranged on the top of the fixed frame; the electric cabinet is in circuit connection with a high-pressure liquid pump in the high-pressure liquid pump chamber, the gasoline generating set and the water spray dust fall mechanism respectively; a liquid inlet of the high-pressure liquid pump is connected with a water tank pipeline, and a liquid outlet of the high-pressure liquid pump is connected with a pipeline of the water spray dust fall mechanism; and a PM 2.5 air quality monitoring device is arranged on the top of a cab of the engine body and is in circuit connection with the electric cabinet. The invention aims to provide the movable water spray dust fall engine which is flexible in movement, compact in structure, convenient to operate and good in using effect and is used for controlling the over-standard PM 2.5 air quality. The movable water spray dust fall engine is used for controlling and improving the PM 2.5 air quality.

The invention relates to a method for detecting and positioning section faults of a power distribution network containing DGs (distributed generators). The method is characterized in that three-phase current information acquired by protection device installation points at two end nodes of a section is utilized, Clark transformation is adopted, three-phase current is transformed into Clark alpha-mode current and Clark beta-mode current, the Clark alpha-mode current and the Clark beta-mode current are subjected to Fourier transformation to acquire a phase angle of the Clark alpha-mode current and a phase angle of the Clark beta-mode current, data of the phase angles is uploaded to a relay protection control center, the relay protection control center can detect a fault and find out the section in which a fault point is located when the fault occurs in an electric power system through calculating the phase angle difference of the Clark alpha-mode current and the Clark beta-mode current of each section and through comparing a relation between an absolute value of the phase angle difference of the Clark alpha-mode current and the Clark beta-mode current of each section and a threshold value, and remove the fault section timely so as to complete a protection action. The method provided by the invention can be applied to detecting and positioning the section faults of the power distribution network containing the DGs under high permeability.

A floating LNG production platform comprises an upper module 1, a floating body 2, a fixed gravity tank 4 and a suction pile 5, wherein the floating body 2 has a hollow structure; the fixed gravity tank 4 is fixedly connected with the lower part of the floating body 2; and the suction pile 5 is fixedly connected with the fixed gravity tank 4. An LNG liquid cargo compartment 3 is arranged in the hollow part of the floating body 2; a plurality of adjustable buoyancy tanks 21, a fixed buoyancy tank 21 and a limiting device 23 are arranged on the tank wall of the floating body 2; the adjustable buoyancy tanks 21, the fixed buoyancy tank 21 and the limiting device 23 are annular chambers and arranged in a concentric manner; the suction pile 5 is a cylindrical structure with the closed upper endand the open lower end; the fixed gravity tank 4 is in communication with a mortar pump inlet pipe 25; an exhaust port 28 is formed in the fixed gravity tank 4; the upper module 1 comprises an LNG production unit 10, an LNG unloading unit 11 and a ballast water control unit 12; and the LNG production unit 10 receives raw material natural gas, which is transmitted by a seafloor natural gas wellhead unit 8, through a seafloor hose 7. The floating LNG production platform has the advantages that the floating body can be automatically righted because the floating body is towed to the site in a wetmanner; the floating body is convenient and safe to transport and mount; the upper module is mounted without the coordination of a large floating crane; equipment such as a mooring system is not needed; the structure is simplified; and the mounting and building cost is reduced.

The invention relates to an industrial control equipment safety protection framework and method based on an active immune mechanism. The method specifically comprises the following steps that under atrusted computing architecture based on active immunization, an information system safety protection system is divided into a trusted node computing environment, a trusted area boundary and a trustedcommunication network; based on the trusted computing theory of active immunization, overall design is carried out from two aspects of related safety technologies and management means, and an active immunization protection system framework adaptive to an industrial communication network scene is established by combining field industrial control system equipment. According to the active immune industrial control safety protection architecture, a safe and efficient cryptographic algorithm is adopted, and a trusted control chip and trusted software are connected with a trusted network; an activesafety policy management and control system is integrated to form a set of active immune information safety protection scheme suitable for an industrial control site, so that a trusted and safe operation environment is provided for key equipment in an industrial control system network.

The invention belongs to the technical field of inflator pumps, and particularly relates to an efficient inflator pump. The efficient inflator pump comprises a shell, wherein a control box is installed on the front side of the shell, a compression bin and an electric appliance bin are divided inside the shell by a chamber dividing plate, a switching power supply and a brushless direct current motor are installed at the bottom of the electric appliance bin, the switching power supply is fixedly connected with a power line, a connecting rod is eccentrically installed on the side face of a rotating wheel connected to the brushless direct current motor, a piston is connected to the top end of the connecting rod, in-pipe valves are installed at the joints of an air outlet pipe and an air inletpipe connected to the side face of the compression bin as well as the compression bin correspondingly, an air outlet formed in the air outlet pipe is provided with an inflation hose, an air inlet formed in the air inlet pipe is in threaded connection with a filter cover, the control box can control the rotating speed of the brushless direct current motor to adjust the air inflation speed of the efficient inflator pump, a movable sealing ring and a piston sealing ring can improve the air tightness of the compression bin, the in-pipe valves can be opened and closed in cooperation with movement of the piston, and the piston can conduct air inflation work all the time in the reciprocating movement process, so that the air inflation efficiency of the efficient inflator pump is greatly improved.

The invention discloses assorted health-care porridge, which comprises the following components by weight: 3 to 5 grams of bee pollen, 75 to 120 grams of honey, 1 to 2 grams of propolis, 2 to 4 grams of royal jelly, 5 to 10 grams of walnut kernel, 5 to 10 grams of medlar, 5 to 10 grams of black sesame, 30 to 50 grams of black soya bean, 100 to 120 grams of mung bean, 5 to 10 grams of semen nelumbinis, 100 to 120 grams of fresh lotus root, 100 to 120 grams of dioscorea root, 2 to 5 grams of hairy antler and 2,000 to 2,600 grams of purified water. A preparation process comprises the following steps of: cleaning walnut kernel, medlar, black sesame, black soya bean, mung bean, semen nelumbinis, fresh lotus root, dioscorea root and hairy antler, drying, and slicing fresh lotus root, dioscorea root and hairy antler; and putting walnut kernel, medlar, black sesame, black soya bean, mung bean, semen nelumbinis, fresh lotus root, dioscorea root and hairy antler into a pressure cooker, cooking over slow fire until the mixture is boiled, maintaining for 5 to 10 minutes, cooling, adding honey, propolis, royal jelly and bee pollen, and stirring uniformly.

The invention provides a software upgrading method and device for terminal equipment and an electronic system, and the method comprises the steps: firstly judging whether data recovery needs to be carried out or not after upgrading if an upgrading command is received; if data recovery needs to be carried out, backing up preset data needing to be recovered through a preset storage module; and finally, executing a corresponding upgrading operation according to the upgrading instruction. In this manner, if upgrading is needed, whether data recovery is needed or not after upgrading is judged; upgrading mode can be flexibly selected, the upgrade complexity is reduced, if data recovery is needed, data is backed up in a preset storage module, the upgrading operation is carried out without carrying out the operation of parameter issuing of the secondary master station after each upgrading is completed, so that the upgrading operation is simplified, the upgrading cost is reduced, the probability of mistakes and omissions during secondary parameter issuing is also reduced, the upgrading stability is improved, and the normal operation work is ensured.

The invention discloses a high-gas tunnel trolley explosion-proof control box. The explosion-proof control box comprises a storage mechanism; the storage mechanism comprises a protective frame and a protective cover; three ventilation openings are formed in the outer surfaces of two sides of the protective frame respectively in the horizontal direction at equal intervals; three ventilation openings are also formed in the rear surface of the protective frame in the horizontal direction at equal intervals; supporting blocks are fixedly connected to the positions, close to four corners, of the outer surfaces of the two sides of the protective frame; and supporting blocks are also fixedly connected to the positions, close to four corners, of the rear surface of the protective frame. Accordingto the explosion-proof control box, through the arrangement of a buffering mechanism, contact between external hard objects and main body of the protective frame can be effectively avoided; further, the deformation of the protection frame in the actual collision process is effectively prevented, so deformation of the protective frame in the process of actual impact can be effectively prevented; and meanwhile, when an external hard object touches a buffer plate, the buffer plate can effectively drive a buffer frame to be effectively close to the protective frame under the pressure of the external hard object, and in the process that the buffer frame approaches the protective frame, buffer springs can effectively reduce the impact force of the buffer plate on the protective frame under the extrusion of the buffer frame and the supporting blocks.

The invention discloses a rotating speed sensor, comprising a housing (1); a segment of external threads (11) are arranged on the outside of a left end of the housing (1); a left stepped hole (2), a middle stepped hole (3) and a right stepped hole (4) are axially arranged in the housing (1); an epoxy resin sleeve (21) is embedded in the left stepped hole (2); the epoxy resin sleeve (21) is internally provided with a Hall element (22) and a neodymium boron iron magnetic steel (23); the middle stepped hole (3) is internally provided with a printed circuit board combination (31), a sleeve (32) and a mounting sleeve (33); the right stepped hole (4) is also internally provided with an aviation plug (41). The rotating speed sensor is provided with the external threads, and the housing is internally provided with the epoxy resin sleeve, allowing a relevant circuit board to be arranged in a relatively sealed space; the housing is prepared by stainless steel materials, and possesses the functions of dust prevention and corrosion protection; the rotating speed sensor has a reasonable and compact structure, is convenient to assemble and disassemble, and can prolong the service life of a product.

The invention discloses a drying system with a heat recovery function. The drying system comprises a drying room body, an outdoor machine and an indoor machine. The interior of the drying room body isat least provided with one indoor fan for accelerating air flow in the drying room body, the top of the drying room body is at least provided with one heat recoverer, an exhaust channel and an air inflow channel which are independent are formed in each heat recoverer, and the exhaust channels and the air inflow channels communicate with the interior of the drying room body. High-temperature wet air and low-humidity dry air can do heat exchange at the positions of the heat recoverers, at the moment, heat of the high-temperature wet air is mostly transmitted to the low-temperature dry air, thedry air is heated, heat losses caused by emission of the wet air can be reduced, social energy is saved, the situation that when fresh dry air is supplemented into the drying room body, the temperature change in the drying room body is too large can be avoided, and therefore the drying system can normally run to work.

The invention discloses a power electrical element mounting device capable of rapid cooling. The power electrical element mounting device comprises a mounting base, the bottom of the mounting base isconnected with a base, and the top of the mounting base is connected with a top plate. A through hole is formed in the middle end of the interior of the base in a penetrating mode, storage columns arevertically connected to the periphery of the top of the base, the tops of the storage columns are inserted into the mounting base, storage cavities are formed in the storage columns, and metal sodiumis placed in the storage cavities. When an electric appliance element is connected with the mounting seat through the mounting hole, the electric appliance element moves upwards to extrude the base,so that an elastic telescopic column is extruded, the distance between a stabilizing seat and the storage columns is changed, electrical components of various sizes can be mounted at the bottom of themounting base and can be buffered by the elastic telescopic column after being mounted, and the electrical components are not prone to shaking at the bottom of the mounting base, can be limited by the base, are not prone to damage after being subjected to external force and are good in safety performance.

The invention discloses a new capacitor which comprises a body and pins, wherein the body comprises a housing and an inner core, the housing is a cylindrical body which has an opening in the lower endand is made of metal, an identification cover paste is pasted to the surface of the housing, the inner core is arranged in the cylinder of the housing, an insulation erosion resistant coating is arranged between the housing and the inner core, a rubber end cover is arranged at the lower end of the inner core, a protection cover is arranged at the lower end of the rubber end cover, the pins include a first pin and a second pin, and the length of the first pin is larger than that of the second pin. According to the new capacitor, a positive pole pin and a negative pole pin of the capacitor canbe identified by watching the length of the pins through naked eyes, and the type and the performance parameters of the capacitor can be known by checking the identification cover paste pasted to thesurface of the housing of the capacitor.

The invention discloses an agricultural photovoltaic system Including a mount seat, A support column is arranged at the top of the mounting seat, the supporting column is hollow, A support column is internally provided with a fixing block, a lifting column is arranged at the top of the support column, the lifting column is inserted with the supporting column, a hydraulic lifting rod is arranged between the lifting column and the fixing block, and a telescopic device is arranged at the top of the lifting column, and the telescopic device comprises a telescopic shell, a fixing plate, a sliding baffle, an electric pushing rod and a water blocking slot. The lifting column and the telescoping device are arranged, Hydraulic lifting lever operate to push the lifting column up and down, so that the height of the solar photovoltaic panel can be changed, At the same time, the electric push rod push the sliding baffle to move by the top to block the solar photovoltaic panel to protect the solar photovoltaic panel, so as to avoid damage to the solar photovoltaic panel due to the weather, and ensure the service life of the equipment.

The invention relates to an electric cabinet and a control circuit of an intelligent cabinet door lock and a protective door intelligent lock, including a power supply, a cabinet door branch, a first protective door branch and a second protective door branch; The cabinet door switch, the original side of the induction coil and the cabinet door lock body for locking the cabinet door are arranged in series; the cabinet door micro switch, the protection door micro switch and the cabinet door micro switch for locking are arranged in series on the first protective door branch. The protective door lock body of the protective door; the second protective door branch is connected in parallel with the protective door lock body, and the secondary side of the induction coil and the linkage switch are arranged in series on the branch, and the linkage switch is connected with the protective door The micro switch is linked and is opposite to the linked state of the protective door micro switch. On the one hand, the invention ensures that the protective door can only be opened after the cabinet door is opened, so that the electrical cabinet can operate normally; high.

The invention discloses an explosion-proof control box for a trolley in a high-gas tunnel, which includes a storage mechanism. The storage mechanism includes a protective frame and a protective cover. There are also three air vents at equal distances in the horizontal direction. Support blocks are fixedly connected to the outer surfaces of both sides of the protective frame near the four corners, and support blocks are also fixedly connected to the rear surface of the protective frame near the four corners. In the present invention, through the buffer mechanism, the contact between the external hard objects and the protective frame body can be effectively avoided, thereby effectively preventing the deformation of the protective frame during the actual collision process. At the same time, when the external hard objects touch the buffer plate, the Under the pressure of external hard objects, the buffer plate can effectively drive the buffer frame to get close to the protective frame, and when the buffer frame is close to the protective frame, the buffer spring can effectively reduce the impact of the buffer plate on the protective frame under the extrusion of the buffer frame and the support block. impact.

The invention relates to the technical field of rock mining, and discloses a rock splitting machine capable of improving the mining efficiency. The machine comprises a main body, the upper end of the main body is fixedly connected with a hydraulic connector, the upper end of the hydraulic connector is fixedly connected with a hydraulic oil pipe, and the main body is internally provided with a hydraulic oil cavity. A plurality of upper limiting cavities formed in the main body are formed in the upper portion of the hydraulic oil cavity, and a plurality of lower limiting cavities formed in the main body are formed in the bottom of the hydraulic oil cavity. Through a telescopic rod, a return spring and each telescopic tube, when the splitting machine works, the hydraulic oil extrudes a convex block to extrude and crack rocks, the convex block is expanded, the hydraulic oil enters the telescopic rod through a communicating pipe, so that the telescopic rod overcomes the tension of the return spring under the supporting action of the hydraulic oil to drive the telescopic tubes to extend towards the two sides and abut against the two sides of a crack so as to play a fixing support role for the main body, when the rock crack is large, the splitting machine can be prevented from falling into the crack, and the splitting machine can be protected.

The invention discloses an oil-gas mixture transport pump, which comprises a pump body and a liquid collection device. The pump body includes a pump shell, and a pump cavity for accommodating a threaded rod in the pump shell. The middle section of the pump cavity is provided with an oil outlet running through the pump body. The pump shell is also internally provided with an oil inlet cavity, the two ends of which are communicated with the two ends of the pump cavity. The oil inlet cavity is provided with an oil inlet running through the pump body. The liquid collection device comprises a cylindrical liquid collection tank, an input pipe, and a liquid output device. The bottom of the liquid collection tank is connected to the liquid output device, and the pipe wall of the liquid collection tank is provided with an input port. The input pipe stretches into the input port and goes into the inside of the liquid collection tank. The pipe orifice of the input pipe is closely attached to the inner wall of the liquid collection tank. The pipe orifice center axis tilts downward and is tangent to the pipe orifice at the inner wall of the liquid collection tank. The oil-gas mixture transport pump provided in the invention performs gas-liquid separation of natural gas, sends liquid natural gas back to the peripheral space of the pump cavity, and realizes the gas-in-liquid state.

The present invention provides a method and device for processing the full state of an IO queue of a solid-state hard disk. The method includes: creating a linked list in memory and establishing several storage nodes; Return to the preset state, store the IO completion command in the idle storage node, and attach the storage node storing the IO completion command to the linked list; after the preset time, place the first storage node in the linked list in the order of attachment The stored IO completion command is sent to the IO completion engine and the IO completion command is deleted in the first storage node; in response to the IO completion engine returning a message that the IO completion command was successfully processed, the IO completion command is released. By using the solution of the present invention, it can be effectively ensured that the solid-state hard disk can operate normally without causing a performance bottleneck when the queue is full.

The invention relates to an escape cabin ejecting and pushing device. The escape cabin ejecting and pushing device comprises a work station butt joint fence connected with a deep sea work station, wherein an escape cabin butt joint fence is arranged on the top of the work station butt joint fence through a locking ring, an escape cabin is arranged on the top of the escape bin butt joint fence, and multiple ejecting and pushing device bodies are evenly arranged in the inner annular face of the work station butt joint fence. Each ejecting and pushing device body structurally comprises an installation base, wherein an oil cylinder is fixed to the installation base, the head of a piston rod of the oil cylinder is provided with a reaction force support through a connecting piece, and the top portion of the reaction force support is connected with an ejecting and pushing point on the circumference of the bottom of the escape cabin butt joint fence in a butt joint mode. Each ejecting and pushing device body further comprises a power source of the corresponding oil cylinder, wherein a plurality of energy accumulators are arranged on the outer circumferential face of the work station butt joint fence at intervals and connected with an electromagnetic ball valve through hydraulic pipelines, and the electromagnetic ball valve is arranged in a pressure-resistant shell. Each ejecting and pushing device body further comprises a control cable used for controlling opening and closing of the corresponding electromagnetic ball valve. The working process is safe and reliable, and free floating of the escape cabin deep sea work station can be ensured.

The invention discloses an instruction-based remote control mobile phone, which comprises a central control module, and the output end of the central control module is electrically connected with an automatic login module and a mobile phone self-starting module. And the output end and the input end of the central control module are bidirectionally and electrically connected with an information extraction module, an instruction identification module, a short message identification module and an information editing module respectively. The method has the advantage of remotely controlling the mobile phone under the condition of no network, and solves the problems that the intelligent mobile phone is possibly lost in the use process, cannot be remotely controlled to obtain the surrounding environment information, is inconvenient to retrieve, and cannot be used by family members when the family members cannot open and need to return. The problems that a mobile phone cannot be remotely controlled to open or close or disconnect data flow, the mobile phone cannot be used by family members, manufacturing is difficult, the family members using the mobile phone cannot give up the use of the mobile phone by themselves, the mobile phone is inconvenient to return, some privacy information of a mobile phone owner may be leaked to influence family harmony, and meanwhile, the mobile phone owner may be influenced to work are solved.

The present invention relates to a security protection framework and method for industrial control equipment based on an active immunity mechanism. The specific method is to divide the security protection system of an information system into a trusted node computing environment, a trusted region boundary and a trusted computing framework based on active immunity. The three components of the trusted communication network are based on the trusted computing theory of active immunization, and the overall design is carried out from the two levels of relevant security technology and management methods, and the active immune protection that adapts to the industrial communication network scene is established in combination with the on-site industrial control system equipment system framework. The active immune industrial control security protection framework in the present invention adopts safe and efficient cryptographic algorithms, trusted control chips, trusted software and trusted network connections, and integrates active security strategy management and control systems to form a set of active immune information suitable for industrial control sites The security protection scheme provides a credible and safe operating environment for key equipment in the industrial control system network.

The invention discloses an automatic timing ball recovering device, which comprises a base (3) and a power mechanism (1). An execution mechanism (2) comprises a hollow-structured body (21) with an opening in one end, a plunger (22) which is slidably arranged in the body (21) and provided with a threaded groove in the middle in a concave way, an inlet flange pup joint (23) communicating with a sideface of the body (21), an outlet flange pup joint (24) directly facing the inlet flange pup joint (23) and commutating with the body (21), a distributing pipeline (25) provided with the pipe diameterbeing smaller than the flange pup joints (23, 24) and communicating with the inlet flange pup joint (23) and the outlet flange pup joint (24), and a screw rod (26). The automatic timing ball recovering device provided by the invention can be used for automatically recovering balls of paraffin and oil sludge in a clearing pipeline according to the setting of a user, solves the problems of ball clamping and stucking existed in an oil field system ball recovering device, poor feeding effect and efficiency of paraffin removal balls with different specifications, and the like in the prior art, andis reliable and safe to work, and beneficial for reducing maintenance cost.

The invention relates to an electrical cabinet and a control circuit for a cabinet door intelligent lock and a protective door intelligent lock of the electrical cabinet. The control circuit comprisesa power supply, a cabinet door branch circuit, a first protective door branch circuit and a second protective door branch circuit; a cabinet door switch, a primary side of an induction coil and a cabinet door lock body for locking a cabinet door are arranged on the cabinet door branch circuit in series; a cabinet door microswitch, a protective door microswitch and a protective door lock body forlocking a protective door are arranged on the first protective door branch circuit in series; and the second protective door branch circuit is connected with the protective door lock body in parallel,a secondary side of the induction coil and a linkage switch are arranged on the second protective door branch circuit in series, and the linkage switch is in linkage with the protective door microswitch and is opposite to the protective door microswitch in linkage state. On one hand, the protective door can be opened only after the cabinet door is opened, so that the electrical cabinet can normally operate and work; and on the other hand, the cabinet door can be closed only after the protective door is closed, misoperation is prevented from occurring when the protective door is closed, and the safety coefficient is high.

The invention discloses a water level and water quality measurement system based on a 2G network, which comprises a floating box, a measurement control system and electronic communication equipment, wherein the measurement control system includes a water PH-value sensor, a dissolved oxygen sensor, a water pressure sensor, a wind pressure sensor, a humidity sensor, an atmospheric pressure sensor, aremote short message control terminal and a data storage module, the inner bottom of the floating box is provided with a buoyancy compartment, the top of the buoyancy compartment is provided with anelectrical room through a bearing plate, the top of the electrical room is provided with an equipment box through a connecting frame, the remote short message control terminal is installed at one sideinside the equipment box through bolts, and the atmospheric pressure sensor is installed at the other side inside the equipment box. The water level and water quality measurement system is applicableto aquaculture, flood control or agricultural work, and can perform signal transmission of the 2G network by using the remote short message control terminal when being used in remote areas with weaksignals by using the remote short message control terminal, so that the whole water level and water quality measurement system is enabled to operate and work normally.

The invention discloses an entrance guard device, which comprises an information reading module, a temperature and humidity sensing module, a processing module and a power supply control module, wherein the information reading module is used for reading identity information of an incomer, and integrating the identity information and the entering time and place information of the incomer to form entrance allowing information; the temperature and humidity sensing module is used for sensing the temperature and humidity information of located environment of the entrance guard device; the processing module is used for receiving the entrance allowing information sent by the information reading module, confirming the entrance allowing condition of the incomer so as to control the off-on state of an electric lock module of the entrance guard device, and receiving the temperature and humidity information in real time; when the temperature and humidity information is greater than the preset threshold, the alarm of the entrance guard device is triggered; the power supply control module is used for controlling the power supply module of the entrance guard device to output various different voltages so as to respectively supply electricity to modules with different voltage requirements. By using the entrance guard device, the problem of the environment temperature and humidity influence can be solved; meanwhile, when the voltage is too high, the high-pressure protection can be given; when the power supply generates reverse power supply, the reverse power supply protection can be protected; the system can still normally operate and work.

The invention discloses assorted health-care porridge, which comprises the following components by weight: 3 to 5 grams of bee pollen, 75 to 120 grams of honey, 1 to 2 grams of propolis, 2 to 4 grams of royal jelly, 5 to 10 grams of walnut kernel, 5 to 10 grams of medlar, 5 to 10 grams of black sesame, 30 to 50 grams of black soya bean, 100 to 120 grams of mung bean, 5 to 10 grams of semen nelumbinis, 100 to 120 grams of fresh lotus root, 100 to 120 grams of dioscorea root, 2 to 5 grams of hairy antler and 2,000 to 2,600 grams of purified water. A preparation process comprises the following steps of: cleaning walnut kernel, medlar, black sesame, black soya bean, mung bean, semen nelumbinis, fresh lotus root, dioscorea root and hairy antler, drying, and slicing fresh lotus root, dioscorea root and hairy antler; and putting walnut kernel, medlar, black sesame, black soya bean, mung bean, semen nelumbinis, fresh lotus root, dioscorea root and hairy antler into a pressure cooker, cooking over slow fire until the mixture is boiled, maintaining for 5 to 10 minutes, cooling, adding honey, propolis, royal jelly and bee pollen, and stirring uniformly.