69results about How to "Time adjustable" patented technology

The invention discloses a sludge drying method and a drying machine. The sludge drying method is used to dry the sludge through the afterheat from the burning of tailings. The sludge drying method adopts a drum type drying machine in which an inner drum is sleeved with an outer drum. The method comprises the following steps: putting a heat source and the sludge respectively in the inner drum or in an interlayer between the inner drum and the outer drum; rotating the inner drum and the external drum so as to make the heat source and the sludge in the inner drum or in the interlayer between the inner drum and the outer drum roll continuously; and transferring the heat of the heat source evenly to the sludge through the wall of the inner drum so as to dry the sludge. The sludge drying machine comprises a machine frame, a supporting mechanism, the inner drum, the outer drum and a driving device, wherein the outer drum is arranged on the machine frame through the supporting mechanism; the inner drum is positioned in the middle of the outer drum; the driving device respectively drives the outer drum and the inner drum to rotate; an outer material inlet and an outer material outlet are arranged at the two ends of the outer drum respectively; and an inner material inlet and an inner material outlet are arranged at the two ends of the inner drum respectively. The sludge drying method is scientific and practical and brings about high thermal efficiency; and the sludge drying machine has a reasonable structure and low drying cost.

The invention discloses a U-shaped-well microwave heating method for exploiting natural gas hydrate, and belongs to the technical field of natural gas hydrate exploiting. The method includes the stepsthat geological data is combined, a U-shaped well and matched well-completion practices are arranged for target storage, and after well completion is carried out, depressurizing exploiting is carriedout through the U-shaped well till economic benefits do not exist; then a ground feeding system and an underground microwave heating system are arranged on a horizontal well; a natural gas hydrate layer is heated through a microwave heater, and natural gas and discharged water are collected from a vertical well. According to the U-shaped-well microwave heating method for exploiting the natural gas hydrate, the U-shaped well is arranged for target storage, the storage volume of the available natural gas hydrate is increased, and movable heating storage is achieved through a coiled tubing and the microwave heater; the heating position, the heat output power and the drainage gas recovery speed are changed, optimization exploiting of natural gas hydrate storage can be achieved, the gas recovery efficiency can be improved, and economic benefits are improved.

A negative step force testing system comprises a device under test, a force sensor fixed on the device under test and a negative step force generating device for applying acting force on the device under test. The negative step force generating device comprises a pressure cylinder, a pressure control loop, a pressure piston, a piston rod, an unloading port and a unloading valve, wherein the pressure control loop is connected with the pressure cylinder, the pressure piston divides the cavity in the pressure cylinder into a first pressure cavity and a second pressure cavity, the piston rod is fixedly connected with the pressure piston, the unloading port is formed in the pressure cylinder, and the unloading valve is matched with the unloading port to open or close the unloading port. The unloading port is arranged in the pressure cavity, the piston rod penetrates through the second pressure cavity, the exposed end of the piston rod pushes the device under test, the force sensor senses pressure between the piston rod and the device under test, and the pressure control loop controls the pressure generated when the piston rod pushes the device under test. The negative step force testing system has the advantage of being accurate in initial force, large in initial acting force and adjustable in falling edge time of force.

The invention discloses a reservoir bank water level change and slope angle variable landslide model test device and method under an earthquake and rainfall coupling effect, and belongs to the field of slope engineering landslide disaster tests. The device comprises a model box, a rainfall system, an electric lifting system and a deformation monitoring system. The model box comprises a bottom plate, front, back, left and right side plates and an internal permeable plate. The rainfall system comprises a water storage tank, a water pump, a water supply main pipe, an electronic control main valve, a flowmeter, a nozzle, a rainfall system bracket and a jack. The electric lifting system comprises a servo motor, a bearing and a belt. The deformation monitoring system comprises a three-dimensional laser scanner. The method comprises: jacking the rainfall system support to a proper height, filling the model box with soil, then lifting the model box to a designated angle, simulating the rainfall working condition, starting the vibration table, and monitoring slope deformation through the three-dimensional laser scanner in the testing process. Simulation of various rainfall working conditions is achieved, the landslide model is adjusted at any angle, and landslide tests with different inclination angles are achieved.

The invention relates to a high pressure-resistant leak stoppage agent and leak stoppage slurry containing the same. The high pressure-resistant leak stoppage agent consists of the following components in percentage by mass: 25.0 to 27.0 percent of soybean particles, 31.0 to 32.0 percent of walnut shell flour, 7.1 to 7.5 percent of vermiculite, 2.1 to 2.5 percent of peanut hull meal, 22.0 to 22.5percent of cement and 10.0 to 11.0 percent of flocculation coating agent LHB-105 for drilling fluid. The leak stoppage slurry consists of base slurry and the high pressure-resistant leak stoppage agent, wherein 3 to 9 grams of high pressure-resistant leak stoppage agent is added into every 100 milliliters of base slurry. The leak stoppage agent and the leak stoppage slurry stop leaking by combining chemical leak stoppage with particle bridging leak stoppage, so that the technical problems of aperture leak, crack leak and fracture leak under a well can be solved. The leak stoppage agent and the leak stoppage slurry are suitable for severe well leakage caused by a pore formation, a crack formation, a long-section broken formation and the like and can be applied to leak layer construction ofwhich the leak position is difficultly determined.

The invention relates to a method for exploiting a natural gas hydrate through U-shaped well microwave heating and belongs to the technical field of natural gas hydrate exploitation. The method comprises the steps that by combining geologic information, a U-shaped well is arranged for a target reservoir, well-completion practice is matched, after well completion, depressurizing exploitation is conducted through the U-shaped well till the economic benefit is avoided, and after depressurizing exploitation, fracturing operation is conducted on a horizontal well; and then a ground supplying systemand a down-hole microwave heating system are arranged on the horizontal well, through a microwave heater, a natural gas hydrate layer is heated, and natural gas and exploited water are collected froma vertical well. According to the method for exploiting the natural gas hydrate through U-shaped well microwave heating, the U-shaped well is arranged for the target reservoir, the usable natural gashydrate reserve volume is increased, movable heating reserving is achieved by using coiled tubing and the microwave heater, by changing the heating position, the heat output power and the water drainage and gas recovery speed, optimal exploitation of the natural gas hydrate reservoir can be achieved, the gas recovery efficiency can be improved, and the economic benefits can be increased.

The invention relates to an intelligent device for voltage dip protection, in particular to a voltage dip protection intelligent module adaptive to all electromagnetic type alternating current contactors. The module does not requires to change the structure of the alternating current contactors, adopts a switching power supply as well as voltage dip direct current startup, low-voltage direct-current maintenance and energy-saving and soundless operation, and has the characteristics of fault display, alarming, adjustable protection time, high generality and the like.

The invention relates to a high pressure-resistant leak stoppage agent and leak stoppage slurry containing the same. The high pressure-resistant leak stoppage agent consists of the following components in percentage by mass: 25.0 to 27.0 percent of soybean particles, 31.0 to 32.0 percent of walnut shell flour, 7.1 to 7.5 percent of vermiculite, 2.1 to 2.5 percent of peanut hull meal, 22.0 to 22.5 percent of cement and 10.0 to 11.0 percent of flocculation coating agent LHB-105 for drilling fluid. The leak stoppage slurry consists of base slurry and the high pressure-resistant leak stoppage agent, wherein 3 to 9 grams of high pressure-resistant leak stoppage agent is added into every 100 milliliters of base slurry. The leak stoppage agent and the leak stoppage slurry stop leaking by combining chemical leak stoppage with particle bridging leak stoppage, so that the technical problems of aperture leak, crack leak and fracture leak under a well can be solved. The leak stoppage agent and the leak stoppage slurry are suitable for severe well leakage caused by a pore formation, a crack formation, a long-section broken formation and the like and can be applied to leak layer construction of which the leak position is difficultly determined.

The invention relates to a method for exploiting natural gas hydrate through parallel horizontal well microwave heating and belongs to the technical field of exploitation of natural gas hydrate. The method comprises the following steps: arranging a parallel horizontal well net and performing matched well-completion operation on a target storage by combining geological data, implementing depressurizing production through the horizontal well after well completion until no economic benefit, arranging a ground supply system and an underground microwave heating system on a heat supply well, heatinga natural gas hydrate layer by a microwave heater, and collecting natural gas and produced water from a production well. The parallelly distributed horizontal wells are arranged for the target storage, so that the storage quantity of the available natural gas hydrage is increased; the storage is heated movably by using a continuous oil pipe and the microwave heater; optimal exploitation of the natural gas hydrate storage can be realized by changing the heating position, the heat output power and the water discharging and gas producing speed, the gas production efficiency can be improved and the economic benefit can be increased.

The invention discloses a method for extracting natural gas hydrate in a hot-water injection mode through parallel horizontal wells, and belongs to the technical field of natural gas hydrate extraction. The method includes the steps that in combination with geological data, arrangement of a parallel horizontal well network and matched well completion operation are conducted for a target reservoir;after well completion, depressurization extraction is conducted through the horizontal wells until no economic benefit can be gained; then, a ground supply system and an underground mobile electric heating system are arranged on the water injection well, hot water is injected into the natural gas hydrate reservoir through the water injection well, and natural gas and extracted water are collectedfrom the production well. According to the method, the reserve of available natural gas hydrate is increased by arranging the parallel horizontal wells for the target reservoir, the reservoir is heated in a mobile mode by using the mobile electric heating system, optimized extraction of the natural gas hydrate reservoir is achieved by changing the heating position, the heat output power and the drainage gas extraction speed, the gas extraction efficiency can be improved, and the economic benefit can be increased.

The invention discloses an automatic black tea primary manufacturing system. The system comprises a tedding machine, a withering machine, a twisting machine, a deblocking screening machine, a fermentation chamber, a first drying machine and a second drying machine, which are connected with one another in sequence; a cooling and dampening device is also arranged between the first drying machine and the second drying machine. The system further comprises an automatic control unit used for controlling temperature, humidity and air volume of the manufacturing system. The automatic black tea primary manufacturing system disclosed by the invention is invented according to the traditional Congou black tea making requirements as well as performance and characteristics of modern tea making machinery; in the withering procedure, the temperature is controllable, the air volume is adjustable, the time is controllable and the spreading thickness is adjustable; in the twisting procedure, tea leaves are automatically fed, electronically weighed, automatically put, automatically twisted and automatically discharged; in the fermenting procedure, the temperature is controllable, the humidity is detected, the time is automatically controlled and the spreading thickness is adjustable; the whole manufacturing system has the production characteristics of continuity, automation and cleanness; the manufacturing capacity can reach 500 kg / h.

The invention discloses a smart street lamp, a system, a control terminal, an aircraft, a control method and a medium. According to the control method, a flight control signal recognizable to the aircraft is sent through each smart street lamp, so that a flight control region is formed within the coverage of the flight control signals, wherein the flight control region is used for controlling theflight action of the aircraft in the region. Through the control method, regional control over the aircraft is realized, the range and time of the flight control region are adjustable, and blind flight of the aircraft is effectively controlled.

The invention discloses a natural gas hydrate parallel horizontal well microwave heating mining method and belongs to the technical field of natural gas hydrate mining. The method includes the steps that in combination with geological data, a parallel horizontal well network is arranged for a target reservoir; matched well-completion operation is performed; after well completion is finished, depressurizing mining is performed through the horizontal wells till no economic benefit exists; after depressurizing mining is finished, fracturing operation is performed on the horizontal wells; then a ground supply system and an underground microwave heating system are arranged at the heat supply wells; and a natural gas hydrate layer is heated through a microwave heater, and natural gas and produced water are collected from the producing wells. The natural gas hydrate parallel horizontal well microwave heating mining method is suitable for the reservoir which is poor in communication property,rich in storage and low in natural gas hydrate saturability; the reservoir can be movably heated through a continuous oil pipe and the microwave heater; and by changing the heating position, heat output power and drainage gas recovery speed, optimal mining of the natural gas hydrate reservoir can be achieved, the gas mining efficiency can be improved, and the economic benefits are improved.

A fluctuating wind generating device comprises an air compressor, a PLC (Programmable Logic Controller) solid relay, a high pressure airflow output pipeline, a high pressure airbag, a pressure release valve, an electromagnetic reversing valve, a high pressure cylinder I, a high pressure cylinder II, an air valve I, an air valve II and a low pressure air chamber, wherein three-way joints are connected with the high pressure cylinders; the inlets of the three-way joints are respectively connected with the outlet of the electromagnetic reversing valve; the inlet of the electromagnetic reversing valve is connected with the high pressure airbag; the bottom of the high pressure airbag is connected with the compressor through the high pressure airflow output pipeline; the electromagnetic reversing valve is connected with the PLC solid relay through a signal wire; the air valves (I and II) are arranged in the low pressure air chamber; and the air valve II is connected with the high pressure cylinder II. The high pressure cylinder moves in a reciprocating way through the pressure of high pressure airflow, so that the fluctuating wind which is periodically changed in a fluctuating way is generated by the airflow according to set requirements. The fluctuating wind generating device provided by the invention has the advantages of simple structure, accurate and convenient fluctuating wind period adjustment, high switching speed and low noise.

The invention discloses a method for exploiting natural gas hydrates by means of hot water injection by the aid of row type horizontal wells, and belongs to the field of technologies for exploiting natural gas hydrates. The method includes arranging row type horizontal well networks for target reservoirs by the aid of geological data and carrying out matched well completion operation for the target reservoirs by the aid of the geological data; carrying out depressurization exploitation by the aid of the horizontal wells after well completion is carried out until economic benefits are unavailable; carrying out fracturing operation on the horizontal wells after decompression exploitation is carried out; arranging ground supply systems and downhole movable electric systems at water injectionwells; injecting hot water into the natural gas hydrate reservoirs by the aid of the water injection wells; collecting natural gas and produced water from production wells. The method has the advantages that the method is applicable to reservoirs with poor formation communication, high reservoir thicknesses and low natural gas hydrate saturation; the reservoirs can be movably heated by the downhole movable electric heating systems, the heating locations, heat output power and the water drainage and gas production speeds can be changed, accordingly, the natural gas hydrate reservoirs can be optimally exploited, the gas production efficiency can be improved, and the economic benefits can be increased.

The invention discloses hot press molding equipment, which comprises a frame. The equipment is characterized in that the frame is provided with a heating fixing device provided with an upper workbench and a lower workbench, and the opposite faces of the upper and lower workbenches are respectively provided with an upper die and a lower die; the frame is installed with an upper movement mechanism and a lower movement mechanism, the upper movement mechanism passes through the heating fixing device and is in transmission connection with the upper workbench, and the lower movement mechanism passes through the heating fixing device and is in transmission connection with the lower workbench; frame at the side of the lower workbench is provided with an auxiliary workbench which is composed of a left part and a right part; and the lower part of the frame is provided with a controller, the controller is connected with a control panel, and the control panel is provided with a plurality of keys and a current meter and a voltage meter. The hot press molding equipment has the advantages of simple structure, ingenious design, reasonable layout and convenient operation, shortens the processing procedure, ensures no deformation of the sheet material, and can complete the multiple steps in one operating table.

The invention discloses a macromolecular moistureproof blocking agent. The moistureproof blocking agent is a double-liquid product prepared from two components of a main agent A and an auxiliary agentB, the ratio in parts by weight of the main agent A to the auxiliary agent B is 1 to 1, the component A is prepared from the elements in parts by weight: 60-70 parts of macromolecular polyether, 3.5-5 parts of chain extender, 0.7-1.0 part of self-made catalyst, 0.7-0.9 part of organic silicon surface active agent, 0-0.2 part of foaming agent, 10-15 parts of TCPP, 4-6 parts of flame retarding agent, 1-3 parts of anti-static agent, 4-6 parts of rutile titanium dioxide, 4-6 parts of aluminum hydroxide, 4-6 parts of light calcium carbonate, 2-4 parts of light magnesium carbonate, 0.01-0.05 part of anti-UV agent and 0.1-0.2 part of organic tin. The component B is various kinds of isocyanate, in particular DG-1521 material or PAPI. The initial viscosity of the reactive mixture of the macromolecular moistureproof blocking agent is very low, the macromolecular moistureproof blocking agent can be convenient to permeate and level, meanwhile, time is adjustable, the hardening time is short, theblocking agent is elastic, has the high binding strength, is flame retarding and antistatic, can block and fill under the existence of water and waterproof environment, and is applicable to various kinds of severe environments.

The invention relates to a releasing device of electric installation equipment and an electric installation equipment having the releasing device. For delaying the circuit breaker releasing, the invention provides a releasing device 10, 110, wherein a ferromagnet 30, 136 in serial connection with a releasing coil 12, 112 holds an armature 14, 114 which is going to move; when the current strength is determined, the ferromagnet 30, 136 is heated to temperature above the Curie point of the ferromagnet, thereby, the ferromagnet loses its permanent magnetisation and no longer holds the armature 14, 114; and the armature 14 can move into the coil 12, 112. Therefore, the original releasing process is delayed, and the delaying time is the time for heating the ferromagnet 30 to the temperature above the Curie point of the ferromagnet.

The invention discloses a natural gas hydrate parallel horizontal well hot-water-injection mining method and belongs to the technical field of natural gas hydrate mining. The method includes the stepsthat in combination with geological data, a parallel horizontal well network is arranged for a target reservoir; matched well-completion operation is performed; after well completion is finished, depressurizing mining is performed through the horizontal wells till no economic benefit exists; after depressurizing mining is finished, fracturing operation is performed on the horizontal wells; then aground supply system and an underground movable electric heating system are arranged at the water injection wells; and hot water is injected into the natural gas hydrate reservoir through the water injection wells, and natural gas and produced water are collected from the producing wells. The natural gas hydrate parallel horizontal well hot-water-injection mining method is suitable for the reservoir which is poor in communication property, rich in storage and low in natural gas hydrate saturability; the reservoir is movably heated through the underground movable electric heating system; and by changing the heating position, heat output power and drainage gas recovery speed, optimal mining of the natural gas hydrate reservoir is achieved, the gas mining efficiency can be improved, and theeconomic benefits are improved.

The invention discloses a gastrointestinal flora sampling apparatus which comprises a sampling ball and a shell. The sampling ball is arranged in the shell, the opening in the surface of the samplingball sinks inwards to form a sampling groove, and a sampling port is arranged in the shell; the inner wall of the sampling groove is coated with edible gum; the gastrointestinal flora sampling apparatus further comprises a spring capable of making the shell move relative to the sampling ball. The gastrointestinal sampling apparatus is convenient in use and suitable for timing and locating gastrointestinal tract area for sampling with good compliance and causes little pain to users.

A cold smoking machine relates to a smoking device for fish, meat and the similar food, comprising a refrigerator and a smoke generating chamber arranged at the bottom of the refrigerator, the smoke generating chamber is communicated with the bottom wall of the refrigerator, thus the smoke generated by the smoke generating chamber can enter the refrigerator; in addition, the shell of the smoke generating chamber and the shell of the refrigerator integrated into a whole structure; the smoke generating chamber is a drawer structure which can be drawn, and the drawer can be loaded with wood chips or sawdust, and the drawer of the smoke generating chamber is connected with the wall of the shell thereof by a slide rail; the drawer of the smoke generating chamber is internally provided with a smoke generating controller which consists of a plurality of sets of electric heating parts, a smoking switch, an electric heating part working display device and a circuit board; the smoking switch includes a smoking time regulating knob and a smoking time pause regulating knob. The cold smoking machine has the advantages that: cold smoking can be realized by combining the refrigerator structure and the smoking structure, the temperature, time and smoke amount of smoking can be adjusted, the smoking quality is high, and the taste of smoked products can be adjusted according to personal preference.

The invention relates to an intelligent device for voltage dip protection, in particular to a voltage dip protection intelligent module adaptive to all electromagnetic type alternating current contactors. The module does not requires to change the structure of the alternating current contactors, adopts a switching power supply as well as voltage dip direct current startup, low-voltage direct-current maintenance and energy-saving and soundless operation, and has the characteristics of fault display, alarming, adjustable protection time, high generality and the like.

A pneumatic valve control mechanism is disclosed, a pneumatic valve comprises a valve body and an upper valve cover, a valve spool, and a valve shaft. The valve spool is provided with a passage. The pneumatic valve control mechanism comprises a rotating cylinder, a cylinder driving actuator, a sealing control mechanism, and a valve spool action position detecting mechanism. The outer walls of thetwo ports of the valve spool are provided with sealing grooves along the circumferential direction, and an inflatable sealing ring is arranged in the sealing groove. A spool intake passage communicating with the sealing groove is arranged in the valve spool along the radial direction. A valve shaft intake passage communicating with the spool intake passage is axially arranged in the valve shaft. The spool intake passage communicates with the inflatable sealing ring. The valve spool is actuated through the cylinder, after the valve spool reaches the set position and the air pressure is controlled to inflate and pressurize the sealing ring, so that the valve meets the requirement for complete sealing. According to the requirements for use, the pressure of the gas entering the sealing ring can be adjusted by a filter pressure reducing valve. The control mechanism of the invention can be used under the working conditions of high sealing performance requirement and abrasion on the sealing surface, thereby achieving the function of safe, reliable and stable operation of the equipment and reducing the maintenance frequency of the equipment.

The invention relates to a back projection TV, which comprises a screen, a protective glass, and a front frame, while the screen is cling to the protective glass and fixed at one side of front frame. The invention also provides a relative mounting method, which comprises: mounting the protective glass into front frame; horizontally arranging the screen on the protective glass; arranging screen compress bars on the four edges of screen; fixing the screen compress bars, screen and protective glass on the front frame, to avoid hurting screen; the protective glass and screen are at the same side of front frame, to be cling, to avoid dust entering to the interlayer between them; the sponge bar adhered on the screen compress bar has flexibility, with adjustable mounting error, to reduce the breakage caused by over compressing the protective glass and screen, with sealing function.

A three-phase AC motor control device belongs to the motor equipment control device technology field, and comprises button switches, time relays, intermediate relays, indicating lamps and AC contactors. A stop button and a starting button are connected in series, one end of the series connected structure is connected with a fuse, and the other end is connected with a time delay disconnection contact of one time relay. One intermediate relay coil, one indicating lamp and one time relay coil are connected in parallel, and then one end of the parallel connected structure is connected with one time relay, and the other end is connected with one fuse. After being connected in parallel, the time relay coils are in series connection with a deceleration switch, one end of the above circuit is connected with one end of the starting button, and the other end is connected with one fuse. The normally open contacts of five sets of intermediate relays are in series connection with AC contactor coils, then the five series connected branches are connected in parallel and then are connected with the two ends of a powers supply. The device is low in cost and is simple to operate, a motor starting current is small, and the time of the acceleration and deceleration processes can be adjusted.

The invention provides a single-fluid process based silicate water shutoff agent and a preparation method. The water shutoff agent is prepared from the following materials in parts by mass, 50-55% ofwater glass, 3-4% of curing agents, 1.5-2% of filtrate loss reducers, 1.5-2% of enhancers, 0.2-0.3% of thickener and the balance of water. The single-fluid process based silicate water shutoff agent and the preparation method have the advantages that the cost of the prepared water shutoff agent is 76% of that of water shutoff agents TP910 and 10.56% of that of phenolic resin type water shutoff agents; the water shutoff effect is good, and the maximum bearing pressure is 20MP, 22MPa and 25MPa respectively at the temperatures of 30 DEG C, 60 DEG C and 80 DEG C; multiple production methods can beselected, and actual production and use can be adjusted in time; the obtained water shutoff agent system is stable; field operations are simple; the prepared water shutoff agent is carried to a construction site by a tank car for the water shutoff agent, and is pumped into the stratum during construction directly; generated colloids have high strength, stable shape and small shrinkage deformation, and permeable layers can be sealed for a long time.

The invention relates to a track mirror advertisement projection display system and method. The system comprises a projector, an imaging mirror, a fixing frame, a media sever and a rotating mechanism;an image protected by the projector is projected to any position through the imaging mirror, the rotating mechanism is used for controlling the imaging mirror to rotate, a controller is connected with the media server, the projector and the rotating mechanism separately, the controller calls advertisement video data to control the projector to play, and rotating mechanism control data is called to control the rotating mechanism to rotate. By combining the track mirror mirror system with advertisement display, when corresponding advertisement content is played, attractiveness, interestingness,playability, interactivity and the like are better achieved, and the public is easy to accept; by means of the media server, advertisement video data is stored, playing is conducted, the purpose of fusing the track mirror system and advertisements is achieved, and a new business model is shown.

The invention discloses a degassing device and method for a battery thermal management system of a pure electric vehicle. The method comprises steps of pressing a degassing start-stop switch when cooling liquid is injected into a cooling circulation water path, enabling a control module to stop enabling a controller, enabling a DCDC power module to supply power to the controller and a cooling water pump, and enabling the controller to control the cooling water pump to work; the cooling liquid in the external expansion water tank is actively pumped into the cooling circulation pipeline throughthe filling degassing pipeline, and the automatic degassing function of the battery management system is achieved. The device is advantaged in that a degassing start-stop switch is designed in a battery management system, when the cooling liquid needs to be supplemented due to battery system maintenance or other reasons in the use process of a vehicle, rapid and active degassing can be achieved, aproblem that the existing filling degassing efficiency is low is effectively solved, and working efficiency is improved.

The invention provides a servo ring shaping machine for a wind protection ring. The servo ring shaping machine comprises a disc part and shaping parts; the shaping parts are located on the two sides of the disc part; the disc part and the shaping parts are all connected with a servo electrical power system; the disc part comprises an upper disc and a lower disc, the lower disc is provided with a wind protection ring sleeve base which is sleeved with the to-be-shaped wind protection ring, and the upper disc moves up and down in the vertical direction; and each shaping part is composed of a horizontal push-pull air cylinder and a rolling wheel groove which is internally provided with a plurality of shaping rolling wheels, the shaping rolling wheels are divided into circularity shaping rolling wheels and perpendicularity shaping rolling wheels, the circularity shaping rolling wheels are horizontally arranged, and the perpendicularity shaping rolling wheels are vertically arranged. According to the servo ring shaping machine for the wind protection ring, the characteristics that aluminum profiles are soft and easy to be subjected to secondary shaping are unitized, so that a wind protection ring workpiece is shaped and corrected to be circular through matching and mutual rotating and squeezing of the shaping rolling wheels and a center disc.