39results about How to "Avoid explosive situations" patented technology

The invention discloses an internal circulation rotating impinging stream electro-catalysis device and method for treating organic wastewater, and belongs to the technical field of sewage treatment equipment. The upper part of an inner cavity of an electrochemical reactor of the device is an electrochemical reaction area, and the lower part is a rotational flow generation area; the electrochemical reaction area comprises an outer ring anode, an annular net-shaped cathode, an inner ring anode and a central fixing shaft which are sequentially and coaxially sleeved from outside to inside, and the rotational flow generation area comprises an inner spiral generator and an outer spiral generator which are arranged on a spiral central shaft in a sleeving manner. The impinging stream technology and the electro-catalysis technology are combined, internal circulation impinging stream efficient treatment on organic wastewater is achieved through the rotational flow generation area, the device has the advantages of being high in treatment efficiency, small in occupied space, low in operation energy consumption and the like, the problem that bubbles adhere to the surface of an electrode can be solved, strong turbulent flow is formed through impinging, reaction dead zones are reduced, and the service life of the device is prolonged. Mass transfer in the electrochemical degradation device is enhanced, and the purposes of automatic operation and efficient degradation are achieved.

The invention relates to the technical field of explosion-proof permanent magnet motors, and discloses a low-voltage explosion-proof dust explosion-proof permanent magnet motor which comprises an explosion-proof shell, a front end cover and a rear end cover, the front end cover and the rear end cover are arranged on the two sides of the explosion-proof shell respectively, and the front end cover and the rear end cover are both attached to the explosion-proof shell. And a dustproof heat dissipation mechanism is arranged on the rear end cover. Through the design of a dustproof heat dissipation mechanism, a connecting rod drives fan blades and a U-shaped plate to rotate, after the fan blades rotate, external airflow is sucked from an air inlet hole to achieve the purpose of air cooling, before the airflow enters, a filter screen filters dust, a cleaning layer cleans away dust on the filter screen when passing through the filter screen, and when passing through a scraper blade, the dust on the filter screen is cleaned away by the cleaning layer; the scraper blade scrapes off dust on the cleaning layer, air-cooled gas is finally discharged through the exhaust hopper, the scraped-off dust can be quickly blown away, the situation that dust explosion is possibly caused by dust gathering is avoided, the application range is wider, and safety is higher.

The invention relates to the field of pressure detection, and discloses a multi-way valve pressure detection mechanism which comprises a multi-way valve body, an air inlet pipe is fixedly installed on one side of the multi-way valve body, a pressure measuring pipe is fixedly installed at the top of the air inlet pipe, and the multi-way valve pressure detection mechanism further comprises a stabilizing assembly which comprises a rotating rod rotationally installed in the pressure measuring pipe. A rotating plate is fixedly installed at the bottom end of the rotating rod, a cross plate is fixedly installed at the top end of the rotating rod, and a piston plate is installed in an inner cavity of the pressure measuring pipe in a sealed and sliding mode. Impact force generated by instantaneous airflow fluctuation can be buffered, the speed of the impact force can be slowed down, meanwhile, automatic pressure relief can be conducted according to the pressure, the stability in the pressure detection process can be effectively improved, the safety is improved while the working efficiency of a pneumatic system is improved, and the practicability is high. And the situation that the pressure detection process is unstable under the influence of instantaneous fluctuation of the air flow in the past is avoided.

The invention discloses a temperature control high-pressure reaction kettle, and relates to the technical field of hydrothermal reaction kettles, the temperature control high-pressure reaction kettle comprises a kettle body and a pressure monitoring assembly, and an opening in the top of the kettle body is provided with a threaded opening. In the using process, the pressure diaphragm is fixed to the notch in the middle of the lining cover through a screw, the pressure diaphragm protrudes along with the increase of the internal pressure of the lining, and the further protruding pressure diaphragm drives the valve needle to be located in the via hole to be jacked, so that the head of the valve needle protrudes out of the via hole in the middle of the boss; the situation that a user attempts to open the kettle cover by inserting a power assisting rod into a via hole under the condition of too large pressure is prevented, the fool-proof design can prevent the situation that an operator forcibly opens the kettle cover due to insufficient experience and consequently explosion occurs, and when the pressure in the lining returns to normal, the valve needle is reset under the action of the reset force of the first spring, and the valve needle is reset. At the moment, an operator can normally insert a power-assisted rod into the via hole, open the kettle cover and take out a final product, so that the hydrothermal reaction kettle is endowed with an excellent anti-explosion function.

The invention discloses a waste lithium battery electrified recovery system, and relates to the field of waste lithium battery recovery, the waste lithium battery electrified recovery system comprises a flame detection system, a temperature monitoring system, an oxygen content monitoring system and a primary double-shaft shredding machine, and further comprises a nitrogen charging system used for charging nitrogen into the primary double-shaft shredding machine; the explosion venting assembly is arranged on one side of the first-stage double-shaft shredder shell and can discharge impact force gas generated by battery explosion to the outside of the box body; the explosion venting assembly comprises an explosion venting cylinder which is arranged on one side of the first-stage double-shaft shredding machine shell; when a flame detection system detects flames, the parallel four-connecting-rod mechanism is controlled to enable the limiting relieving piece to relieve limiting of the limiting block and the sliding limiting piece, under the guiding effect of the guide column and the elastic force effect of the free spring, the explosion venting frame moves towards the side away from the explosion venting barrel, and therefore the explosion venting frame is opened, and active explosion venting is achieved.

The invention discloses an intelligent hydrogen storage device of a hydrogen fuel cell, relates to the technical field of application of solid hydrogen storage devices of fuel cells, and provides the following scheme: the intelligent hydrogen storage device comprises a shell and a plurality of solid hydrogen storage container tanks arranged in the shell, and further comprises an air cooling mechanism, the air cooling mechanism is used for carrying out air cooling on the interior of the shell and the multiple solid hydrogen storage container tanks, and the air cooling mechanism comprises a first fixing plate fixedly connected with the interior of the shell, two first connecting rods symmetrically and rotationally connected with the first fixing plate and first fan blades fixedly connected with one sides of the two first connecting rods correspondingly; and a water cooling mechanism. The solid hydrogen storage container tank can be subjected to rapid water cooling treatment and air cooling treatment, and meanwhile, floating dust in the shell can be synchronously cleaned, so that the safety of the solid hydrogen storage container tank during hydrogen charging and hydrogen discharging is effectively guaranteed, and the service life of the solid hydrogen storage container tank is guaranteed.

The utility model discloses an ultra-strong lightning stroke resistant aluminum electrolytic capacitor, relates to the technical field of aluminum electrolytic capacitors, and aims to solve the problems that the lightning stroke resistant effect of an existing aluminum electrolytic capacitor is improved by generally adopting high-density electrolytic paper, although the lightning stroke resistant effect is remarkable, the electrolytic paper is physically damaged after being subjected to voltage for many times, and the service life of the aluminum electrolytic capacitor is prolonged. The conductive performance and the insulating performance of the capacitor are reduced, and the service life of the capacitor is influenced. Comprising an aluminum shell, an element is arranged in the aluminum shell, and a rubber sealing head is installed at the upper end of the element; the element is formed by winding isolation layers, a positive electrode aluminum foil and a negative electrode aluminum foil, the positive electrode aluminum foil is arranged on the outer side of the negative electrode aluminum foil, the two isolation layers are arranged on the outer wall of the positive electrode aluminum foil and the outer wall of the negative electrode aluminum foil respectively, a positive electrode guide pin is installed at one end of the positive electrode aluminum foil, and a negative electrode guide pin is installed at the other end of the negative electrode aluminum foil. And a negative electrode guide pin is mounted at one end of the negative electrode aluminum foil.

The utility model relates to the technical field of batteries, and discloses a battery pressure relief assembly and a battery, the battery pressure relief assembly comprises: a battery housing, which is enclosed by a cover plate and a housing, and is internally provided with an accommodating cavity; the pressure release valve is mounted in a pressure release valve mounting hole formed in the cover plate or the shell and comprises a fixing part, a pressure release valve body and a pressure release valve body, the movable part is movably matched with the fixed part, and an exhaust hole channel penetrates through the movable part; the movable part has a blocking state in which the movable part is aligned with the fixed part to block the exhaust duct and a conducting state in which the movable part is staggered with the fixed part under the pressure in the accommodating cavity, and in the conducting state, the exhaust duct moves to a position in which the accommodating cavity is communicated with the outside; one end of the elastic part is connected with the movable part, and when the pressure in the containing cavity is smaller than the elastic force of the elastic part, the elastic part drives the movable part to move so as to be switched from the conduction state to the blocking state. The battery pressure relief assembly provided by the utility model can ensure the secondary use of the battery after exhausting.

The application provides a gas conveying pipeline fine water mist explosion-proof device, which comprises a long pipe, a plurality of atomizing nozzles, a communicating cavity arranged in the long pipe, a water pipe communicated with one end of the communicating cavity, and a drainage cleaning mechanism arranged on the arc surface of the long pipe. The drainage cleaning mechanism comprises a leakage hole, a cylinder and a fan blade assembly. The leakage hole is arranged on the arc surface of the long pipe, the cylinder is inserted into the leakage hole, and the fan blade assembly is arranged in the cylinder. The arc surface of the long pipe is provided with a square hole. The gas in the pipeline is sprayed by the atomizing nozzles, so that the concentration of the gas is reduced, and the gas explosion is prevented to a certain extent. The water in the pipeline is discharged through the cylinder and the leakage hole, so that the rusting of the pipeline caused by excessive water in the pipeline is avoided.

The invention relates to the field of hydrogen storage device alarm, in particular to a leakage-proof alarm device for a hydrogen storage device, which comprises a base, a vertical beam and the like, a vertical beam is fixedly connected to the base. The suspension beam and corresponding parts on the suspension beam are controlled through the DD motor to actively avoid obstacles, collision of main parts of the alarm is reduced, the alarm is prevented from being damaged, the horn-shaped top cover and the fan blades are arranged, blown air is more concentrated on the upper portion of the top cover, and therefore the detection result of the gas sensitive sensor is more accurate, and the safety of the alarm is improved. The detected gas enters the hollow vertical beam through the gas guide pipe and is finally discharged into air from the gas hole I below the vertical beam, the discharged hydrogen is far away from the position of the gas sensitive sensor, the false alarm condition is reduced, the density of the hydrogen is smaller than that of the air, so that the discharged hydrogen quickly floats upwards and is fully mixed with the air in the floating-up process, and the detection accuracy is improved. And the hydrogen concentration is further diluted, so that threats caused by hydrogen explosion are reduced.

This invention relates to the field of lithium battery pack technology and discloses a lithium battery pack with multiple protection functions, including a bottom shell and a top shell. The bottom of the top shell abuts against the bottom shell. An installation groove is formed inside the top shell, and a temperature sensor and a pressure sensor are fixedly connected inside the installation groove. A fire detector is fixedly connected inside the bottom shell. By activating a first suction fan, hot air inside the bottom and top shells can be discharged to prevent the heat inside the bottom and top shells from damaging the operation of the lithium battery pack. Activating a second suction fan can draw cold air from outside into the bottom and top shells to cool the inside of the bottom and top shells. At the same time, the circulation of coolant carries away the heat of the lithium battery pack itself, which can quickly dissipate heat from the lithium battery pack and effectively prevent heat damage to the lithium battery pack. It also prevents the lithium battery pack from short-circuiting due to heat, thus effectively protecting the lithium battery pack.

The utility model discloses a microwave heating packaging bag, including bag body and its setting exhaust area. The exhaust area is from inside to outside in proper order for inner layer, adhesive layer, release layer and outer layer. Inner layer is equipped with fourth knife line, and adhesive layer is equipped with the third knife line coincident with it, and release layer is equipped with the second knife line coincident with it, and outer layer is equipped with first knife line. The knife line encloses the area and is all located in release layer area. When microwave heating, the steam pressure in the bag breaks through the knife line of inner layer, adhesive layer and release layer in proper order, enters the clearance between release layer and outer layer, and finally breaks through the first knife line of outer layer and discharges, prevents the bag body explosion. Release layer reduces the adhesion between outer layer and adhesive layer, and is favorable to steam diffusion. When daily storage, the outer layer and release layer other parts are closely bonded, ensure good sealing property, prolong food shelf life.

This utility model discloses a steam generator with a pressure relief structure and a household appliance. The steam generator with a pressure relief structure includes: a flow channel plate, which has an opening, a first water inlet, a steam outlet, and a connecting port, and a flow channel is provided inside the flow channel plate; a heating plate, including a plate body and a heating element disposed on one side of the plate body, with the side of the plate body opposite to the heating element covered by the opening; and a pressure relief structure connected to the flow channel plate, which has a pressure relief port connected to the connecting port. The steam generator with a pressure relief structure in this utility model, by setting the pressure relief structure, can discharge excessively high-pressure steam, ensuring safe use.

The chiral hydrolysis device is characterized in that the other end of a first pipeline is connected with a second valve, the second valve is connected with a feeding opening in a hydrolysis kettle, the output end of a water tank is connected with one end of a third valve, and the other end of the third valve is connected with the feeding opening in the hydrolysis kettle; the input end of the hydrolysis condenser is connected with the hydrolysis kettle through a pipeline, the output end of the hydrolysis condenser is connected with one end of a second pipeline, the other end of the second pipeline is connected with one end of a fourth valve, the other end of the fourth valve is connected with a buffer tank, and one end of a fifth valve is connected with the second pipeline; the other end of the fifth valve is connected with one end of a third pipeline, the hydrolysis kettle is in a distillation stage, the other end of the third pipeline is connected with the other end of the first valve, and the other end of the first valve is connected with an epoxide receiving tank. According to the utility model, the hydrolysis safety can be improved.

The utility model discloses a coal mill pulverized coal temperature protection device which comprises a temperature protection pipe, a coal mill body is installed at the end of the temperature protection pipe, the temperature protection pipe comprises an air pipe, a cooling channel is arranged in the middle of the interior of the air pipe, ventilation channels are formed in the two sides of the cooling channel, and a flow channel is formed in the inner wall of the air pipe. A liquid inlet is formed in the right side of the bottom of the flow channel, a liquid inlet end is fixedly inserted into the liquid inlet, and meanwhile the end of the liquid inlet end is fixedly connected with a liquid inlet pipe. According to the pulverized coal temperature protection device of the coal mill, when the temperature of hot air in the temperature protection pipe is higher than 280 DEG C, cooling liquid enters the flow channel from the liquid inlet pipe and the liquid inlet end at the moment and is discharged from the liquid outlet end and the liquid outlet pipe, the hot air is cooled, and the temperature of the hot air is reduced to 280 DEG C or below; the stability of the hot air during drying of the pulverized coal is guaranteed, and the situation of explosion caused by spontaneous combustion of the pulverized coal due to too high temperature is avoided.

The utility model relates to a combustion furnace waste heat recovery device, which belongs to the technical field of combustion furnace waste heat treatment and comprises a combustion furnace, a waste heat air pipe is arranged at the exhaust end of the combustion furnace, the other end of the waste heat air pipe is communicated with a heat preservation shell, and an exhaust mechanism is arranged in the heat preservation shell. The exhaust mechanism comprises a partition plate installed in the heat preservation shell, the partition plate divides the interior of the heat preservation shell into an upper box body and a lower box body, the interior of the upper box body is used for water injection, and the top of the partition plate communicates with a spiral hollow pipe. Hot air enters the spiral hollow pipe and pushes the rolling ball to roll in the spiral hollow pipe from bottom to top, if the combustion furnace works at a high speed, the rolling ball is pushed to the top end of the spiral hollow pipe by the hot air, so that the rolling ball extrudes the conical plug, and when the conical plug is extruded, the conical plug moves towards the outer side; the conical part of the conical plug moves towards the outer side of the spiral hollow pipe, a gap is reserved, air is exhausted, and the situation that the spiral hollow pipe explodes is prevented.

The utility model discloses a lithium battery storage explosion-proof device which comprises a supporting base, the two sides of the supporting base are both fixedly connected with clamping plates, the outer wall of the supporting base is fixedly connected with a supporting frame, the outer wall of the supporting frame is fixedly connected with a fixing frame, the inner wall of the fixing frame is fixedly connected with a driving motor, and the driving motor is fixedly connected with a battery. The device comprises a supporting base, a clamping plate, a supporting frame, a fixing frame, a driving motor, a fan blade, a movable top plate, a side plate and a through hole, fan blades are installed on the outer wall of an output shaft of the driving motor, the outer wall of the clamping plate is movably connected with a movable top plate, the inner wall of the movable top plate is fixedly connected with a side plate, and the outer wall of the side plate is provided with a through hole. According to the invention, the lithium battery is convenient to assemble and disassemble, and heat dissipation and dust prevention can be carried out on the internal lithium battery after assembly, so that the lithium battery is effectively prevented from explosion caused by collision and over-high temperature, and the safety during use is further improved.

The utility model provides a high sealing type double-layer oil tank which comprises a double-layer oil tank body, a base is arranged at the bottom of the double-layer oil tank body, supporting rods are fixedly installed on the left side, the right side, the front side and the rear side of the bottom of the base respectively, and the left side of the top of the double-layer oil tank body and the right side of the bottom of the double-layer oil tank body are communicated with oil openings respectively. A fixing mechanism is arranged at the bottom of the base and comprises a box body, and the box body is fixedly installed at the bottom of the base. By arranging the fixing mechanism, the tank body can be fixed under the condition that the whole integrity of the tank body is not damaged, the problems that when the tank body is placed on the ground, due to collision, the tank body falls off from the top of the supporting structure, the surface of the tank body is damaged, and oil leaks are effectively solved, and meanwhile due to the fact that an elastic rubber clamp is made of rubber, the service life of the tank body is prolonged. And when the double-layer oil tank body is fixed, the problem that the surface of the double-layer oil tank body is scratched due to the fact that the clamping force is too large can be effectively avoided.

The invention discloses a battery parameter online identification method and system, and belongs to the technical field of batteries. A forgetting matrix and an information matrix which is an inverse matrix with a covariance matrix are introduced, the information matrix is split into an unexcited information subspace matrix and an excited information subspace matrix, and only the excited information subspace matrix is forgotten. On the basis of a covariance matrix updating formula in an existing recursive least square algorithm with a forgetting factor, a forgetting matrix multiplied by an information matrix is used for replacing a covariance matrix in an original covariance matrix updating formula, so that a directional forgetting mechanism is formed; the error covariance matrix updating formula # imgabs0 # adopted by the method can selectively forget old information components which can be replaced by the new information according to the new information input at the current moment, other old information components are not influenced, therefore, the covariance explosion condition is avoided, the robustness is greatly improved, and the method is suitable for being popularized and applied. And the identification precision of the battery parameters is relatively high.

The invention provides an assembly type anti-explosion firework and cracker storage bin. The fireworks are made of polyethylene, the overall mass can be greatly reduced through the arrangement of the water cavity, so that the effects of being convenient to assemble and carry are achieved, and during day and night replacement, the polyethylene can effectively avoid the problems that hot air is pre-cooled and liquefied into water drops, and fireworks explode and are affected with damp; after assembly is completed, the inner space is pumped into the low-pressure storage space through the vacuumizer, due to the fact that air in the low-pressure storage space is thin and contains little water vapor, damp of the fireworks and crackers can be further reduced, the combustion conditions of the fireworks and crackers can also be destroyed, due to the fact that the air is thin and the oxygen content is little, the stacked fireworks and crackers are not prone to exploding, and the fireworks and crackers are not prone to exploding. And meanwhile, municipal tap water is connected to the water injection valve, tap water is injected into the water cavity, the fireworks stacked in the low-pressure storage space are made to explode in the low-temperature environment all the time, and the situation that the fireworks and crackers explode due to the too high temperature can be avoided.

The utility model belongs to the technical field of plasmas, in particular to a low-temperature plasma jet array generating electrode, which comprises a reaction mechanism and an overflow cover, the reaction mechanism comprises a reaction cavity, an electrode stem, an air inlet box, an air inlet pipe and a support ring, the electrode stem is arranged at the top of the reaction cavity, the top of the side wall of the reaction cavity is communicated with the air inlet box, and the air inlet pipe is communicated with the air inlet box. The outer side of the air inlet box is communicated with an air inlet pipe, and a supporting ring is arranged in an opening in the bottom of the reaction cavity; the overflow cover is arranged at the opening of the bottom of the reaction cavity, when the air pressure in the reaction cavity is sharply increased, the air pressure impacts the overflow cover, so that the overflow cover slides out of the reaction cavity, a gap is formed between the overflow cover and the reaction cavity, gas can be discharged from the gap for pressure relief, and the situation that an overflow hole is small and cannot relieve pressure in time to cause explosion is avoided; and after the pressure is stable, the overflow cover is reset under the action of the spring, and normal overflow is carried out.

The utility model discloses a natural gas ignition explosion-proof ignition device for petroleum drilling, and belongs to the technical field of ignition equipment.The natural gas ignition explosion-proof ignition device is provided with an ignition assembly, a mounting assembly and an anti-backfire assembly, when the natural gas ignition explosion-proof ignition device is used, a conveying barrel can be more conveniently and rapidly communicated with a pipeline for conveying natural gas in a mine through a mounting ring and a mounting barrel, and the anti-backfire assembly is arranged; then the controller is used for controlling the thermal nozzle to eject electronic flames to ignite the ejected natural gas, the ignited flames can burn in the range of the combustion cylinder, safety is achieved, and meanwhile the electronic flames can prevent the situation that solid comburent possibly explodes when being ignited; and meanwhile, when the natural gas stops spraying, the two fireproof plates can be naturally closed, the transportation barrel is sealed through the sealing strip, the flame of the natural gas is extinguished by cutting off oxygen, and the safety degree during ignition is improved.

The utility model provides laboratory gas cylinder shock-proof and explosion-proof equipment, which relates to the technical field of shock-proof and explosion-proof equipment and comprises an explosion-proof barrel, four shock-proof mechanisms are arranged on the inner wall of the explosion-proof barrel, and each shock-proof mechanism comprises two fixing rods fixedly connected to the inner wall of the explosion-proof barrel and a protection plate. Symmetrical sliding blocks are connected to the outer surfaces of the two fixing rods in a sliding mode, a first spring is fixedly connected to the outer surface of each sliding block, and each first spring is fixedly connected to the inner wall of the anti-explosion barrel. According to the shock-proof and explosion-proof equipment for the gas cylinder in the laboratory, through cooperative arrangement of the explosion-proof barrel, the shock-proof mechanism, the base and the gas cylinder body, shock-proof and explosion-proof protection on the gas cylinder body can be achieved, and therefore the situation that the gas cylinder body explodes due to large shock after being collided is effectively avoided; and great potential safety hazards brought to experimenters due to vibration explosion of the gas cylinder body are further eliminated.

The present invention relates to the field of pressure detection, and discloses a multi-way valve pressure detection mechanism, comprising a multi-way valve body, an air inlet pipe is fixedly installed on one side of the multi-way valve body, a pressure measuring tube is fixedly installed on the top of the air inlet pipe, and also comprises: a stabilizing component, the stabilizing component comprises a rotating rod rotatably installed in the pressure measuring tube, a rotating plate is fixedly installed on the bottom end of the rotating rod, a cross plate is fixedly installed on the top end of the rotating rod, and a piston plate is sealingly and slidably installed in the inner cavity of the pressure measuring tube; the impact force generated by instantaneous airflow fluctuation can be buffered and its speed can be slowed down, and the pressure can be automatically relieved according to the size of the pressure, which can effectively improve the stability of the pressure detection process, and improve the safety while improving the working efficiency of the pneumatic system, avoiding the instability of the pressure detection process caused by the influence of instantaneous airflow fluctuation in the past.

The utility model relates to the technical field of box type electric furnaces, in particular to an energy-saving and environment-friendly box type electric furnace which comprises a heat insulation box, a protective door hinged to the front side of the heat insulation box, heat dissipation fans fixed to the two sides of the heat insulation box, a plurality of heat insulation grid plates arranged at the positions, located at the heat dissipation fans, in the heat insulation box, and further comprises a heat dissipation mechanism and a heat recovery mechanism. The heat dissipation base moves downwards along the L-shaped frame, the heat dissipation base pulls the L-shaped frame to enable the upper end of the L-shaped frame to push the heat dissipation strips towards the interior of the furnace body, then the heat dissipation strips break away from sealing of the heat dissipation notches, and then external air enters the interior of the furnace body from gaps between the heat dissipation notches and the heat dissipation strips. And then the water is sent out from the lower side of the heat dissipation notch and enters the heat absorption pipe disc to heat the water, and then the whole heat recovery treatment is carried out, so that the situation that cold water is introduced into the hot furnace body to cause explosion is prevented.

The utility model discloses a lithium battery explosion-proof protection structure, which comprises an explosion-proof protection shell and an explosion-proof plate, the upper surface of the explosion-proof protection shell is contacted with the lower surface of the explosion-proof plate, the two sides of the explosion-proof protection shell are fixedly connected with side damping plates, and the lower surface of the explosion-proof protection shell is fixedly connected with a lower damping plate. Through the arrangement of the explosion-proof protective shell, the explosion-proof plate, the side damping plate, the lower damping plate, the upper damping plate and other structures, under the action of the explosion-proof protective shell and the explosion-proof plate, the lithium battery can be protected, and the lithium battery can be prevented from being collided and impacted by the outside, so that the situation that the lithium battery is deformed or damaged is avoided, and the service life of the lithium battery is prolonged. And meanwhile, under the action of the side shock absorption plate, the lower shock absorption plate and the upper shock absorption plate, impact force from the outside can be absorbed, transferring of shock force is reduced, and the safety of the lithium battery is further improved.

The utility model discloses a two-way charging energy storage device, which comprises a charging energy storage device shell and a heat dissipation mechanism, an insulation mechanism is connected above the outer wall of the charging energy storage device shell, an access mechanism is fixedly installed above the outer wall of the insulation mechanism, the heat dissipation mechanism is fixedly installed below the outer wall of the charging energy storage device shell, and the heat dissipation mechanism is fixedly installed below the outer wall of the charging energy storage device shell. And an explosion-proof mechanism is fixedly mounted on the outer surface of the charging energy storage device shell. According to the two-way charging energy storage device, the access mechanism is arranged, and the insulation mechanism is arranged in a matched manner, so that stable access can be realized when the charging energy storage device performs charging access, and insulation protection can be performed on the access position.

The utility model discloses an inflatable mattress which comprises a washable cloth cushion and an inflatable air bag, a containing cavity is formed in the cloth cushion, the inflatable air bag is located in the containing cavity, the volume of the containing cavity is smaller than the maximum expansion volume of the inflatable air bag in a free state, and the top side and the bottom side of the cloth cushion and the top side and the bottom side of the inflatable air bag are of mutually corresponding wave-shaped structures respectively. According to the arrangement, the inflation process of the inflation air bag is restrained and limited through the containing cavity in the cloth pad, the inflation air bag is prevented from being continuously enlarged in the inflation process, reasonable control is conducted, the explosion condition caused by excessive inflation is prevented, stress is mainly applied to the outer cloth pad, the inner inflation air bag is not completely expanded, and therefore the inflation effect is improved. The suture line of the inflatable air bag cannot be stressed excessively, the bearing effect is better and is 2-3 times that of an existing inflatable mattress, damage and air leakage are not prone to occurring, the subsequent frequent maintenance or inflation condition is avoided, and the using effect of the inflatable mattress is guaranteed.

The utility model provides a metal polishing waste collecting device which comprises a base, a box body and an atomization assembly, and the atomization assembly comprises a liquid storage box; the liquid storage tank is of a concentric-square-shaped structure. The inner surface of the liquid storage tank is communicated with an atomizing nozzle; a filter plate is fixedly connected to the inner wall of the box body and located at the bottom of the liquid storage box; through the arrangement of the atomization assembly, dust generated by metal polishing is collected by the box body, after the dust enters the box body, an atomization nozzle sprays out water mist to atomize and condense the dust, a filter plate can filter the sucked dust and block some large-particle impurities, and finally water in the atomized dust is adsorbed through a water absorption plate. And finally, the water is continuously fed into the liquid storage tank through the water guide pipe by virtue of the water pump, so that the cyclic utilization effect is realized, and the atomization treatment is used for avoiding the explosion condition of dust, ensuring the working safety and further improving the use adaptability.