79results about How to "Control connectivity" patented technology

The invention discloses a propellant filling device of electric arc heating engine supplying pipeline, comprising an entry loop, a storage tank pressurization loop, a vacuum chamber, a chamber loop and a descent reflow loop. The vacuum extraction operation of the chamber loop is carried out to finish the vacuum filling process of the chamber loop; and the storage tank pressurization loop supplies high-pressure gas into a storage tank of the entry loop so that the propellant can enter the entry loop; the propellant reaches a four-way of the chamber loop via the entry loop; and then the propellant flows out of the descent reflow loop into a neutralizing tower; the chamber loop is communicated till the entry loop and the descent reflow loop are filled by propellant, and the propellant reaches an engine via the chamber loop. The invention provides proper device for normal filling of propellant in low-power hydrazine electric arc heating engine supplying pipeline, and provides necessary basis for experimental investigation and engineering application of low-power electric arc heating engine.

The invention relates to a portable rich-hydrogen nutrition water bottle. The portable rich-hydrogen nutrition water bottle comprises a bottle body and a bottle cover, and a water drinking nozzle and a supporting device are arranged at the top of the bottle cover; the supporting device comprises a plurality of supports arranged around the drinking nozzle, a containing groove for containing the support and a supporting ring arranged on the water drinking nozzle in a sleeving manner; internal threads are arranged on the inner wall of the bottle cover, and a rich-hydrogen water generation unit is arranged between the internal threads and the bottle cover and comprises a separating plate, a hydrogen generation box and a rotation sealing switch; and a hydrogen bar is placed in the hydrogen generation box, the side face and the bottom face of the hydrogen generation box are each provided with mesh holes, and the rotation sealing switch is arranged below the hydrogen generation box and comprises a fixed ring support, a fixed plate and a movable plate. By means of the portable rich-hydrogen nutrition water bottle, the internal structure of the bottle cover is subject to function division, so that the portable rich-hydrogen nutrition water bottle has a function of generating rich-hydrogen water; and the hydrogen bar is used for generating the rich-hydrogen water, and a power source is not needed, so that the size of the device is reduced, and the carrying portability and the using convenience are greatly improved.

The invention discloses a single board, a communication device and a single-board power supplying method and relates to the technical field of communication. When a new single board is inserted, an already used main PIU (power interface unit) is selected preferentially from a plurality of main PIUs for power supplying so as to prevent waste of the main PIUs. The single board includes a function module and also includes n switch modules and a power-supply selection module. First ends of the n switch modules are connected to the function module. Second ends of the n switch modules are used for being connected with the n main PIUs respectively, wherein n is an integer larger than or equal to 2. The power-supply selection module is connected to control ends of the n switch modules and used for detecting the remaining power of the n main PIUs and selecting a main PIU with the smallest remaining power from main PIUs, the remaining power of which is larger than or equal to the rated power of the single board as a power-supplying power interface unit so as to control a switch module connected with the power-supplying power interface unit to be switched on.

The invention provides a heat pump system and a car with the same. The heat pump system comprises a compressor, a four-way structure, a first heat exchanger, a second heat exchanger, a first one-way valve, a first expansion valve, a third heat exchanger, a second one-way valve, a second expansion valve and a third expansion valve; one end of the third expansion valve communicates with a pipe part communicating with a second heat exchanger outlet, the second one-way valve and the second expansion valve simultaneously, and the other end of the third expansion valve is communicated with a control structure; and the control structure receives refrigerants coming from the third expansion valve, inputs the refrigerants into a second heat exchange route of the second heat exchanger and enables the flowing direction of the refrigerants in the second heat exchange route to be opposite to the flowing direction of refrigerants directly input into a first heat exchange route of the second heat exchanger. According to the heat pump system, it can be guaranteed that the flowing direction of the refrigerants flowing in the second heat exchange route is opposite to the flowing direction of the refrigerants flowing in the first heat exchange route all the time both in the heating state or the refrigeration state, and the heat exchange efficiency of the second heat exchanger is improved.

The invention discloses a refrigerator and a control method and control device thereof. The method comprises the steps that the first control period that the refrigerator is in a defrosted state is detected and determined; and the fact that an ice making evaporator requests for refrigerating is detected and determined, and a control valve is controlled to communicate with an ice making circuit. According to the method, a refrigerating agent can be controlled to be preferentially introduced into the ice making circuit after the refrigerator is defrosted, therefore, the time that an ice making chamber is in a high-temperature state due to defrosting is effectively shortened, the risk of ice block adhesion caused by ice block melting and re-icing after melting is reduced, and ice blocks can be stored at high quality for a long term.

Well conduit system and methods using a first outer conduit wall and at least one second inner conduit wall positioned through a wellhead to define an annulus with radial loading surfaces extending across the annulus and radially between at least two of the conduit walls to form passageways through subterranean strata concentrically, wherein an inner pipe body of greater outer diameter is inserted into an outer pipe body of lesser inner diameter by elastically expanding the circumference of the outer pipe body and elastically compressing the circumference of the inner pipe body, using a hoop force exerted therebetween. Releasing the hoop force after insertion will release the elastic expansion and compression of the pipe bodies to abut the radial loading surfaces within the annulus for sharing elastic hoop stress resistance and thereby forming a greater effective wall thickness, capable of containing higher pressures than the conduit walls could otherwise bear.

The invention discloses a safety throttling ball valve. The ball valve comprises a valve body 1, a valve cavity is arranged in the valve body 1, the valve cavity is provided with a water inlet 81 anda water outlet 82, the valve body 1 is internally provided with a valve core 2, a control device is arranged on the valve core 2, the ball valve is characterized in that a horizontally-penetrating throttling channel 21 is arranged in the valve core 2, the control device controls the throttling channel 21 to be communicated with the water inlet 81 and the water outlet 82, a time-limiting throttlingdevice is arranged in the throttling channel 21, the time-limiting throttling device comprises a first rack 53 and a second rack 54, and the first rack 53 and the second rack 54 are hermetically connected by a permanent magnet to seal the throttling channel 21; and the control device controls the first rack 53 and the second rack 54 to separate and open the throttling channel 21. The safety throttling ball valve can effectively throttle and prolong the service life of the sealing element, and is provided with a locking mechanism to prevent accidental touch to open the switch.

The invention relates to the technical field of power distribution cabinets and particularly relates to a thermal expansion and cold contraction principle-based self-bouncing device for a power distribution cabinet. The device comprises a cabinet door, wherein a magnetic block is fixedly connected to the inner wall of the right side of the cabinet door, a cabinet body is movably connected to the right side of the cabinet door, and a piston groove is formed in the middle of the cabinet body, an inner wall of the piston groove is movably connected with a piston block, a left inner wall of the piston block is fixedly connected with a resistor, and the middle of the piston block is fixedly connected with an electromagnet. According to the self-bouncing device for the power distribution cabinetbased on the principle of thermal expansion and cold contraction, through cooperative use of the air groove and the sliding block, when the temperature in the power distribution cabinet is too high,air in the air groove is thermally expanded, the sliding block moves towards the left side at the moment, the electromagnet is powered off, and the piston block and the cabinet body move towards the left side under the acting force of the sliding block and the spring; and the cabinet door is automatically opened so that the effect of automatically opening the cabinet door during overheating is achieved, heat is timely discharged, and safety of the power distribution cabinet is improved.

The invention discloses a hydrogen-enriched water production bottle cap mounted on a mineral water bottle. A drinking water mouth is formed in the top of the bottle cap; an internal thread connected with the mineral water bottle is formed in the inner wall of the bottle cap; a hydrogen-enriched water generation unit is arranged between the internal thread and the top of the bottle cap and comprises a partition plate, a hydrogen generation box and a rotary seal switch; the partition plate is circular, and the edge of the partition plate is fixed on the inner wall of the bottle cap; a buffer space is formed between the partition plate and the drinking water mouth; a water through hole is formed in the partition plate; the cylindrical hydrogen generation box of which one end is open is arranged on one side, which faces the mouth of the bottle cap, of the partition plate; a hydrogen rod is arranged in the hydrogen generation box; meshed holes are respectively formed in the side surface and the bottom surface of the hydrogen generation box; and the rotary seal switch is arranged below the hydrogen generation box and comprises a fixing ring rack, a fixed plate and a movable plate. According to the bottle cap, through the contact between the hydrogen rod and water, hydrogen-enriched water is generated, the traditional bottle cap is replaced with a bottle cap on which the hydrogen rod is arranged, the hydrogen-enriched water is produced in the mineral water bottle, and the portability and the universality of the hydrogen-enriched water production device are improved.

The invention discloses a traffic jam traffic light indicating device based on a big data all-in-one machine. The traffic jam traffic light indicating device comprises a shell. Slide sleeves are clamped at the four corners of the upper surface of the inner wall of the shell respectively. Slide rods are sleeved with the four slide sleeves respectively. The top ends of the four slide rods are fixedly connected with the lower surface of a bearing plate. The lower surface of the inner wall of the shell is fixedly connected with the upper surface of a first connecting plate through four electric push rods. According to the traffic jam traffic light indicating device based on the big data all-in-one machine, by arranging the electric push rods, walking wheels, a motor, first threaded columns, first threaded cylinders, a traffic light body, second threaded columns and third threaded columns, the height of the traffic light body can be adjusted through the working of the motor, and the trafficlight body can be better used; through the second threaded columns and the third threaded columns, a solar cell panel can be rapidly replaced, the replacing time of the solar cell panel is saved, andtherefore the replacing efficiency of the solar cell panel is improved.

The invention provides a heat pump heat supply system and method suitable for peak regulation of a heat power plant. The peak regulation effect can be achieved, and waste heat of a steam turbine generator can further be sufficiently recovered to increase the energy utilization rate. The heat pump heat supply system comprises a heating network circulating water return pipeline, a heat pump, a heating network heater and a heating network circulating water supply pipeline. The output end of the heating network circulating water return pipeline communicates with the heating network circulating water input end of the heat pump, the heating network circulating water output end of the heat pump communicates with the heating network circulating water input end of the heating network heater, and the heating network circulating water output end of the heating network heater communicates with the heating network circulating water supply pipeline. The heat pump is driven electrically, and a driving source is led from the steam turbine generator. A low-temperature heat source of the heat pump is provided by the steam turbine generator. According to the heat supply method, heating network circulating water is delivered to the heat pump, the heat pump is driven by electric energy generated by the steam turbine generator, dead steam or circulating water output by the steam turbine generator isadopted as a low-temperature heat source to heat the heating network circulating water, and then the heating network circulating water is further heated by the heating network heater and then output.

The invention provides a method for enabling a virtual machine based on a router to be in communication with a host machine network. The method comprises steps of (S1) establishing a corresponding first router for the first virtual machine and connecting the first virtual machine to a host machine network in a communication manner through the first router. The invention can simply and effectively realize network communication between the virtual machine and the host machine.

The invention relates to an intelligent formaldehyde purifying device with secondary pollution prevention and excellent adsorption property. The intelligent formaldehyde purifying device comprises a base and a shell, wherein the shell comprises a raw material chamber, a crushing chamber, an absorbing chamber, a water storage chamber, a gas feeding pipe, a gas exhausting pipe, a water feeding pipeand a water draining pipe; a crushing mechanism is arranged in the crushing chamber; an absorbing mechanism is arranged in the absorbing chamber; the crushing mechanism comprises a first motor, an eccentric wheel, a first connecting rod, a second connecting rod, a first sawtooth and a second sawtooth. The intelligent formaldehyde purifying device with secondary pollution prevention and excellent adsorption property is capable of crushing the activated carbon by the crushing mechanism, reducing the size of the activated carbon grains, uniformly distributing the activated carbon onto a fixing plate through the absorbing chamber, increasing the contact area of the activated carbon and air and enhancing the adsorption of formaldehyde. Besides, after the activated carbon is saturated, the activated carbon is driven to the through hole by the absorbing mechanism, the activated carbon falls into the water solution, the formaldehyde is prevented from release and the secondary pollution is avoided.

The invention discloses a method for preparing a high-sound-absorptivity porous silicate material by molding and sintering inorganic salt and belongs to the field of inorganic materials. According to the method, the porous glass material is prepared in such a manner that inorganic salt is mixed with glass power, the mixture is pressed and sintered, and the inorganic salt is dissolved out. The method is characterized in that porosity, pore sizes, pore forms and the connectivity among pores are controllable. The method has the benefits as follows: porosity, pore sizes, pore forms and connectivity among pores can be controlled as required; the porous glass material with excellent sound absorption property is obtained. The validity of the method is further validated through a number of examples.

The invention provides an air conditioner. The air conditioner comprises a refrigerant pipeline, a compressor, a condenser, a throttling device and an evaporator, and further comprises a bypass pipeline, a dehumidifying condenser, a change-over valve and a humidifying device, wherein the compressor, the condenser, the throttling device and the evaporator are connected on the closed-loop refrigerant pipeline in sequence; the bypass pipeline comprises a first end and a second end; the first end and the second end of the bypass pipeline are connected on the refrigerant pipeline between the condenser and the evaporator; the dehumidifying condenser is connected on the bypass pipeline; the change-over valve is connected with the bypass pipeline, and used for controlling the opening and the closing of the bypass pipeline; and when the air conditioner is under a refrigeration working state, the humidifying device can be used for humidifying air. The air conditioner disclosed by the invention can be simultaneously suitable for a low-temperature high-humidity environment and a high-temperature drying environment; and during dehumidifying in the low-temperature high-humidity environment, the temperature of indoor air is not reduced, and the humidity in air can be compensated during refrigerating in the high-temperature drying environment, so that the comfort of using the air conditioner disclosed by the invention by the user is guaranteed.

The invention relates to a burette, which is composed of a storage ball body, a liquid feeding faucet, a titration graded tube, a branch tube, a piston, a buffer ball, a titration faucet and a dropper. The storage ball body is arranged on the top end of the titration graded tube, is in a semi-spherical shape, and has a volume of 25 to 30 ml; the liquid feeding faucet is arranged below the storage ball body and used for the communication between the storage ball body and the titration liquid below the storage ball body; the titration faucet is arranged below the titration graded tube and used for controlling the flow-volume and speed of titration, wherein the liquid feeding faucet and the titration faucet are both made of a hard polyvinyl chloride material; the surface of the titration graded tube is provided with metering scale lines, wherein the minimum scale unit is 0.1 ml; the branch tube is arranged above the titration graded tube, the piston is arranged in the middle of the branch tube, and the tail end of the branch tube is provided with a gas outlet; the buffer ball is arranged below the branch tube; the dropper is arranged in the bottom of the titration graded tube and used for control the titration volume. The burette has the advantages of convenient filling, short length, easy discharge of air in the burette, universal use under an acid or alkaline condition, and realization of precise drop-by-drop titration.

The invention relates to an anti-drop power plug and socket assembly for a material bending machine and belongs to the technical field of material bending machines. The anti-drop power plug and socketassembly for the material bending machine comprises a plug; the bottom of the plug is fixedly connected with two symmetrical insertion pieces; electromagnets are fixedly connected to the inner wallsof the tops of the insertion pieces; resistors electrically connected with the electromagnets are fixedly connected to the inner walls of the inner sides of the insertion pieces; negative plates electrically connected with the resistors are fixedly connected to the inner walls of the inner sides of the insertion pieces. According to the anti-drop power plug and socket assembly for the material bending machine of the invention, a rubber film and a limiting groove are matched for use; when the plug is pulled vigorously by an external force, the plug can quickly move upwards under the action of external force, large centrifugal force is generated, so that a piston block moves downwards and extrudes an electrorheological fluid; the rubber film is extruded and expanded by the electrorheologicalfluid; and the rubber film is clamped with the limiting groove, so that the effect of limiting the plug from falling off is achieved, electric power stable connection of the material bending machineis guaranteed, and normal work of the material bending machine is guaranteed.

The present invention relates to the technical field of electric power, in particular to an anti-misplug socket and plug-in for computer equipment. The anti-misplug socket and plug-in comprises a shell, first electromagnets are fixedly connected to the inner walls at the two sides of the shell, and piston grooves are formed in the inner walls of the two sides of the shell; piston blocks are movably connected to the outer sides of the piston grooves, the inner walls of the piston blocks are fixedly connected with magnetic blocks, and the inner sides of the piston blocks are fixedly connected with springs; the inner sides of the springs are fixedly connected with clamping blocks movably connected with the inner walls of the piston grooves, the inner walls of the clamping blocks are fixedly connected with second electromagnets, and damping holes are evenly distributed in the outer side of the clamping blocks. According to the anti-misplug socket and plug-in for computer equipment, throughthe cooperative use of the clamping blocks and the clamping grooves, after a plug-in block is inserted into the shell, the clamping blocks move towards the inner side under the magnetic attraction effect of the electromagnet II and a magnetic conductive block, so that the clamping blocks are inserted into the clamping grooves, the plug-in block is effectively prevented from falling off, the anti-misplug effect is achieved, the stable use of a desktop computer is effectively guaranteed, and the practicality and stability are improved.

The invention relates to a protection device for an intelligent cosmetic stirring device, which relates to the technical field of cosmetics and comprises a stirring rod, two mutually symmetrical piston grooves are formed in the middle of the stirring rod, first springs are fixedly connected to the inner sides of the piston grooves, piston blocks are fixedly connected to the outer sides of the first springs, evenly-distributed through holes are formed in the outer side of the piston block, and the electromagnets are fixedly connected to the middle of the piston block. According to the protection device for the intelligent cosmetic stirring device, through cooperative use of a piston block and a friction ring, when the rotating speed of the stirring rod is too high, the electromagnets are ina power-on state at the moment, and due to the fact that the magnetism of the opposite faces of the two electromagnets is the same, the electromagnets can drive the piston block to move outwards together according to the magnetism repulsion principle; the piston block is in contact with the friction ring, so that the friction force is increased, the rotation of the stirring rod is hindered, the effects of preventing stall and protecting are achieved, and the stirring efficiency and the stirring safety are improved.

The invention discloses a protection device for barbell exercise in a gymnasium, and relates to the technical field of fitness equipment. The protection device for barbell exercise in the gymnasium comprises a shell; a magnetic block I is fixedly connected to the inner wall of the shell; clamping grooves which are uniformly distributed are formed in the inner wall of the shell; a rotating shaft isfixedly connected to the middle of the shell; a rotating block movably connected with the outer side of the rotating shaft is movably connected to the inner wall of the shell; a magnetic block II isfixedly connected to the inner wall of the rotating block; and a movable groove is formed in the inner wall of the bottom of the rotating block. According to the protection device for barbell exercisein the gymnasium, through cooperative use of clamping blocks and the clamping grooves, when a barbell is used for exercise and a body builder suddenly relieves force, the barbell suddenly falls downto drive the rotating block to rapidly rotate, the clamping blocks are thrown out under the action of centrifugal force at the moment, the clamping blocks and the clamping grooves are in clamped connection, rotation of the rotating block is effectively limited, and at the moment, a binding rope outside the rotating block does not move any more, so that the effect of limiting descending of the barbell is achieved, the safety of the body builder is effectively protected, and the practicability is improved.

The invention provides a multifunctional aurilave. The multifunctional aurilave comprises a gun type shell, and a visible long handle and a main rod are arranged at the front end of the gun type shellside by side; the main rod is hollow, two ends of the main rod are open, the front end of the main rod is detachably covered with an installation block, a through opening is formed in the middle of the installation block, an infrared LED lamp is accommodated in the through opening, and a laser is installed in the circumferential direction of the through opening; the rear end of the main rod communicates with a main pipeline, the other end of the main pipeline communicates with a first port of a first three-way valve, and a second port of the first three-way valve communicates with a negativepressure suction pump through a first air suction pipeline, a water collection bottle and a second air suction pipeline; and a third port of the first three-way valve communicates with a branch pipeline and a second three-way valve, a second port of the second three-way valve communicates with a fan through an air pipeline, a third port of the second three-way valve communicates with the water outlet end of a micro water pump through a water pipeline, and the water inlet end of the micro water pump communicates with a water tank through a water inlet pipe. The multifunctional aurilave can fully clean the ear canal and remove residual liquid in the ear canal, has a physical therapy effect, and is diversified in function and good in effect.

An accelerator foot bar for a new energy vehicle based on a magnetorheological fluid principle relates to the technical field of mechanical equipment in the field of new energy, and comprises a rotating shaft, clamping grooves which are uniformly distributed are formed in the inner side of the rotating shaft, and a foot bar is rotatably connected to the middle of the rotating shaft; the middle of the foot bar is fixedly connected with a first electromagnet, evenly-distributed piston grooves are formed in the outer side of the foot bar, and the inner walls of the piston grooves are fixedly connected with first springs. According to the accelerator foot bar for a new energy vehicle based on the magnetorheological fluid principle, through cooperative use of the first electromagnet and the second electromagnet, when the pedal rod is normally used, the electromagnet I and the electromagnet II are electrified at the moment, so that the viscosity of magneto-rheological fluid in a piston groove is increased, a clamping block cannot be retracted into the pedal rod, and the pedal rod and a rotating shaft are relatively fixed; when the pedal rod is treaded in emergency, the first electromagnet and the second electromagnet are both powered off, the clamping block can be conveniently contracted into the foot bar, and therefore the effect of preventing mistaken stepping is effectively achieved, and the safety of the new energy vehicle is improved.

The invention relates to the technical field of waterborne paint, and particularly discloses a wear-resisting waterborne stoving varnish. The waterborne stoving varnish is prepared from resin, a resinwater solution and color paste. The resin is prepared from isophthalic acid, trimellitic anhydride, n-hexadecylthiophene methyl succinic anhydride, trimethylolpropane, adipic acid, 4-butanediol and butylcellosolve. The resin water solution is prepared from water soluble oil free alkyd resin, dimethyl cholamine, deionized water and glass fiber; the color paste is prepared from the resin water solution, metal particles and titanium dioxide. The invention further discloses a method for producing the stoving varnish. By adopting the scheme, the wear resistance of the stoving varnish can be improved, the production process of the stoving varnish is simplified, and the production cost of the stoving varnish is lowered.

The invention relates to the technical field of paper winding machines, in particular to a paper winding machine protection device capable of effectively preventing stall. The device comprises a mounting frame, an annular groove is formed in the inner wall of the mounting frame, three evenly-distributed speed reduction blocks are movably connected to the inner wall of the annular groove, damping holes are formed in the inner walls of the speed reduction blocks, iron blocks are fixedly connected to the inner walls of the speed reduction blocks, a rotating shaft is movably connected to the middle of the mounting frame, evenly-distributed sliding grooves are formed in the middle of the rotating shaft, and springs are fixedly connected to the inner walls of the sliding grooves. According to the paper winding machine protection device capable of effectively preventing stall, through cooperative use of the speed reduction blocks and the damping holes, when a paper winding machine rotates rapidly, the speed reduction blocks can be relatively fixed to the rotating shaft under the action of magnetic attraction force of electromagnets and the iron blocks, the viscosity of magnetorheologicalfluid in the annular groove is increased at the moment, the magnetorheological fluid can hardly pass through the speed reduction blocks and the damping holes, and therefore the stall prevention effectis achieved, the winding quality of the paper winding machine is effectively prevented from being reduced, and the practicability is improved.

An auxiliary cooling device (100) is designed to be operated outside an aircraft (2) and comprises a source of cold adapted to cool a refrigerant to a desired low temperature, an auxiliary cooling device outlet (104), connected to the source of cold, which can be connected to a refrigerant supply connection (28) of an aircraft liquid cooling system (4) to release a refrigerant that has been cooled by the source of cold to a desired low temperature to the aircraft liquid cooling system (4), and an auxiliary cooling device inlet (102), connected to the source of cold, which can be connected to a refrigerant release connection (26) of the aircraft liquid cooling system (4) to absorb refrigerant that has been heated by heat absorption of a heat load (12) in the aircraft (2).

The invention discloses a hinge easy to disassemble and assemble. The hinge comprises a first hinge sheet and a second hinge sheet, a plurality of bolt holes are formed in the first hinge sheet, a lithium battery and a charging port are embedded in the first hinge sheet, and the charging port and the lithium battery are electrically connected; a switch button is embedded in the first hinge sheet,and a fixing block is fixedly connected to one side of the first hinge sheet; an electromagnet is fixed to the fixing block, and the upper and lower sides of the electromagnet are connected to springs; the other ends of the springs are connected with cylindrical grooves made of iron material, and one sides, away from the springs, of the cylindrical grooves are fixedly connected to cylindrical rotating columns; one ends, away from the cylindrical grooves, of the cylindrical rotating columns are provided with rotating blocks, and one ends, away from the cylindrical grooves, of the cylindrical rotating columns are located in grooves of the rotating blocks; and the rotating blocks are fixed to one side of the second hinge sheet, and a plurality of bolt holes are formed in the second hinge sheet. A door adopted with the hinge easy to disassemble and assemble is easy to disassemble, thereby facilitating the transportation of articles inside and outside a house, especially for store sellers of which need to frequently disassemble the door, and the hinge easy to disassemble and assemble has strong practicality.

The invention provides an efficient anti-overheating device for security and protection equipment, belonging to the technical field of security and protection equipment. The device comprises a fixed seat, wherein a piston groove is formed in the inner wall of the fixed seat, springs are fixedly connected to the inner top walls of the two sides of the piston groove, piston blocks are fixedly connected to the bottoms of the springs, a positive plate is fixedly connected to the inner wall of the right piston block, the inner wall of the left piston block is fixedly connected with a negative plate, and the middle of the piston groove is movably connected with two symmetrical sliding blocks. According to the efficient anti-overheating device for the security and protection equipment, through cooperative use of an air bag I and an air bag II, when the security and protection equipment works in an overheating mode, the air bag I is heated to expand, satay circuit voltage passing through the negative plate is increased to a value larger than the minimum path voltage of a resistor, and at the moment, the resistor is closed, so a conductive column is electrified, and sodium azide is electrified to generate a large amount of nitrogen so as to enable the air bag II to be expanded; and thus, an electric connector of the security and protection equipment pops up, the effect of avoiding overheating work is achieved, and the security and protection equipment is effectively protected.

The invention provides a reinforcing device for a windproof solar power generating device, and relates to the technical field of solar energy. The reinforcing device for the windproof solar power generating device comprises a fixing frame. Uniformly distributed ventilation holes are formed in the right side of the fixing frame. A fan is movably connected to the inner wall of the right side of thefixing frame. A rotating shaft movably connected with the inner wall of the fixing frame is fixedly connected to the left side of the fan. A friction ring movably connected with the outer side of therotating shaft is fixedly connected to the inner wall of the fixing frame. According to the reinforcing device for the windproof solar power generating device, through the cooperated use of an electromagnet and a fastening block, when strong wind exists, a circuit of the electromagnet is closed, magnetism is generated, and the magnetism gradually increases with the increase of the wind force. Thefastening block moves towards the inner side under the action of magnetism repelling and is connected with a fastening groove in a clamping mode, a bolt is effectively prevented from moving, the stability of the bolt is improved, the stability of a solar panel is improved, and the stable use of the solar panel is ensured.

The invention relates to the technical field of plastic feeding devices, in particular to an efficient anti-slip plastic conveying device. The efficient anti-slip plastic conveying device comprises aconveying roller, a movable groove is formed in the middle of the conveying roller, a spring is fixedly connected to the inner wall of the movable groove, a sliding block is fixedly connected to the right side of the spring, and a dielectric plate is fixedly connected to the middle of the sliding block. A positive plate is fixedly connected to the position, close to the bottom of the sliding block, of the inner wall of the conveying roller, a negative plate is fixedly connected to the position, close to the top of the sliding block, of the inner wall of the conveying roller, and a resistor isfixedly connected to the inner wall of the conveying roller. According to the efficient anti-slip plastic conveying device, through cooperative use of an electromagnet and a piston block, when the conveying roller slips, the conveying roller rotates at an overspeed, the electromagnet is in an electrified state, the viscosity of magnetorheological fluid on the inner side of a rotating groove and the inner side of a circular groove is increased, the moving difficulty of the piston block is increased, and the rotating speed of the conveying roller is effectively reduced; and therefore, stall of the conveying roller is prevented, and the possibility of slipping is effectively reduced.

The invention relates to a washing drug-feeding device for anorectal care. Tops of two medicinal liquid boxes in a placement box hermetically communicate with communicating pipes. The tops of the twocommunicating pipes hermetically communicate with a transverse pipe of which two sides are fastened to the inner walls of the two sides of the placement box respectively. Ball valves are hermeticallyand fixedly mounted in the two communicating pipes. An input end of a suction pump fixedly mounted at the top of the placement box hermetically communicates with the interior of the transverse pipe. An output end of the suction pump hermetically communicates with a hose of which one end hermetically communicates with a dip pipe. One end of the dip pipe hermetically communicates with a drug-feedinghead, and the inner walls of two sides of the drug-feeding head are hermetically and fixedly provided with a same mounting plate. A hollow pipe on the top of the mounting plate hermetically communicates with a rotating assembly. The two sides of the hollow pipe hermetically communicate with a water spraying pipe and a drug spraying pipe respectively. Both the top of an extension pipe in the drugspraying pipe and the top of the water spraying pipe hermetically communicate with atomization nozzles. The washing drug-feeding device of the present invention solves problems that existing drug-feeding devices cannot measure and display infusion volume, have infusion openings with single function, and cannot accurately locate lesions.