Explosion-proof high-temperature test box with fire extinguishing function

By integrating fire extinguishing and explosion-proof functions in the high-temperature test chamber, the flue gas discharge problem during the test of flammable and explosive products is solved, and the safety and stability of the high-temperature test chamber is achieved, and the precise temperature control and uniformity are achieved.

CN120361957APending Publication Date: 2025-07-25NEWARE TECH LTD
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Patent Information

Application Number
CN202510545679.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2025-07-25

AI Technical Summary

Technical Problem

When the existing high-temperature test chamber is tested for flammable and explosive products, the flue gas cannot be discharged in time, causing the flue gas generated by the explosion to pollute the environment and affect the life of the test chamber. At the same time, it lacks effective fire extinguishing and explosion-proof functions.

Method used

A explosion-proof high-temperature test chamber with fire extinguishing function is designed, including inner box assembly, fire extinguishing assembly, explosion-proof door assembly, electrical control assembly, smoke sensor assembly and exhaust fan assembly. The smoke is detected through the smoke sensor, the exhaust fan is started to exhaust the smoke, and the fire extinguishing assembly is used to extinguish the fire during explosion.

Benefits of technology

It realizes the safety and stability of the high-temperature test chamber, has accurate temperature control and uniformity, and has fire extinguishing and explosion-proof functions to ensure test safety and extend the life of the equipment.

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Abstract

The invention provides an explosion-proof high-temperature test box with a fire extinguishing function, which comprises a test box main body, an inner box assembly, a fire extinguishing assembly, an explosion-proof door assembly, an electric control assembly, a smoke sensor assembly, a main control assembly and an exhaust fan assembly, the inner box assembly is arranged in the test box main body, and the fire extinguishing assembly is arranged on the outer side wall of the test box main body. An explosion door assembly is arranged at the top of the inner box assembly, an exhaust fan assembly is arranged on one side of the explosion door assembly, an electric control assembly is arranged on the rear portion of the inner box assembly, a smoke sensor assembly is arranged on one side of the electric control assembly, a master control assembly is arranged above the front end of the test box body, and the master control assembly is electrically connected with the electric control assembly and the smoke sensor assembly. The electric control assembly is electrically connected with the smoke sensor assembly and the exhaust fan assembly, the explosion-proof door assembly is electrically connected with the main control assembly, and the intelligent fire extinguishing device has the beneficial effects that the structure is simple, the size is small, the stability is good, the temperature control precision is high, the temperature uniformity is good, and the fire extinguishing function and the explosion-proof function are achieved.
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Description

Technical Field

[0001] The present invention relates to the technical field of high-temperature test chambers, and particularly to an explosion-proof high-temperature test chamber with a fire extinguishing function. Background Art

[0002] High temperature and low temperature mainly refer to the different effects shown in different temperature ranges. Among them, the experimental chamber includes a test standard for high and low temperatures. The test chamber is the general term for products in the environmental testing industry, which simulates the natural climate environment within an effective space range. The test types include: high and low temperature test chambers, xenon lamp aging test chambers, ultraviolet aging test chambers, box-type rain test chambers, anti-rust grease, drip devices, purification and clean storage cabinets, nitrogen storage cabinets, batteries, etc.

[0003] Since the test chamber is not convenient for automatically exhausting the flue gas generated after the test, during the high and low temperature test of some flammable and explosive products (such as lithium-ion batteries), in order to test the highest or lowest temperature that the product can withstand, the product is prone to explosion during the test, and the flue gas generated by the explosion contains flammable gases. If the gas cannot be discharged in time, it is easy to cause secondary hazards, which not only pollutes the test environment but also affects the service life of the test chamber.

[0004] Chinese Patent CN113680396A discloses a high and low temperature test chamber, including a device body. The outer surface of the device body is movably sleeved with a hinge. One side of the device body is fixedly connected to a cabinet door through the hinge. The surface of the cabinet door is detachably installed with an observation window. The surface of the cabinet door is fixedly connected to a handle. The bottom end of the device body is fixedly connected to a heat dissipation component. The outer surface of the device body is fixedly connected to a controller. The bottom end of the device body is fixedly connected to a connecting block, and the other end of the connecting block is fixedly connected to a wheel. By setting a telescopic outer rod and a telescopic inner rod, the device body is lifted by using the telescopic outer rod and the telescopic inner rod, so that the wheels are completely lifted off the ground, and the sliding friction generated between the wheels and the ground is completely avoided, thereby increasing the stability of the device during use and preventing the device body from slipping backward.

[0005] Chinese Patent CN116550394A discloses an explosion-proof high and low temperature test chamber, which includes a bottom plate. A cabinet is fixedly installed at the upper end of the bottom plate. A control panel is arranged on the front of the cabinet. Three test chambers located on the bottom plate are fixedly installed on one side of the cabinet. A connection chamber is fixedly connected to the back of the test chamber. An exhaust fan is fixedly installed at the upper end of the top test chamber. The air inlet end of the exhaust fan is communicated with an exhaust duct. A pressure relief chamber is fixedly connected to the outside of the test chamber. A ventilation duct with one end communicated with the pressure relief chamber is communicated with the outside of the exhaust duct. A wiring hole is opened on the outside of the test chamber. A sealing component is arranged inside the wiring hole. A pressure relief hole with one end communicated with the pressure relief chamber is opened on the inner side wall of the test chamber. A pressure relief component is arranged inside the pressure relief chamber. A ventilation hole with one end communicated with the cabinet is opened on the inner side wall of the test chamber. A ventilation chamber located inside the connection chamber is communicated with the back of the test chamber. A high-temperature smoke sensor with one end penetrating and extending into its inside is fixedly installed on the outside of the ventilation chamber. A water inlet pipe with one end penetrating and extending into its inside is fixedly connected to the outside of the connection chamber. Three spray pipes with one end penetrating and respectively extending into the inside of the test chamber are communicated with the outside of the water inlet pipe, which solves the problem that through the cooperation of the exhaust fan, high-temperature smoke sensor and spray pipe located on the test chamber, after the test object in the test chamber explodes during the high-temperature test, the smoke and dust can be quickly pumped, the water mist can be sprayed, and the flammable and explosive gas can be pumped and exhausted, reducing the possibility of secondary explosion of the flammable and explosive gas, causing pollution to the surrounding test environment and causing additional damage to the test chamber. Through the cooperation of the support spring and the connection spring, the high pressure generated during the explosion of the test object can be relieved and buffered to reduce the additional damage caused by the high pressure generated during the explosion to the test chamber, improving the explosion-proof performance of the test chamber and the safety during the test process. Through the cooperation of the sealing plug and the threaded rod, the connection line of the test object (such as an ion battery) during the test can be connected and sealed. After the connection line passes through the threaded pipe, the connection ring and the two rubber sleeves in sequence, the sealing plug and the sealing ring can be inserted into the wiring hole, and the threaded pipe can be rotated to drive the rubber block and the rubber sleeve to squeeze and seal the connection line and seal the wiring hole, ensuring the tightness when testing the high-temperature test object inside the test chamber. Summary of the Invention

[0006] The purpose of the present invention is to provide a new type of flame-retardant explosion-proof high temperature test chamber with a fire extinguishing function to solve the above technical problems, which has a simple structure, small volume, good stability, simple operation, high temperature control accuracy, good temperature uniformity, and has a fire extinguishing function and an explosion-proof function.

[0007] The present invention is realized through the following technical solutions: An explosion-proof high-temperature test chamber with a fire extinguishing function, comprising a test chamber main body, an inner chamber assembly, a fire extinguishing assembly, an explosion-proof door assembly, an electric control assembly, a smoke sensor assembly, a main control assembly, and an exhaust fan assembly. An inner chamber assembly is provided inside the test chamber main body. A fire extinguishing assembly is provided on the outer side wall of the test chamber main body. An explosion-proof door assembly is provided at the top of the inner chamber assembly. An exhaust fan assembly is provided on one side of the explosion-proof door assembly. An electric control assembly is provided at the rear of the inner chamber assembly. A smoke sensor assembly is provided on one side of the electric control assembly. A main control assembly is provided above the front end of the test chamber main body. The main control assembly is electrically connected to the electric control assembly and the smoke sensor assembly. The electric control assembly is electrically connected to the smoke sensor assembly and the exhaust fan assembly. The explosion-proof door assembly is electrically connected to the main control assembly.

[0008] Furthermore, the test chamber main body includes a test chamber housing, a test chamber rear door panel, a circuit breaker button, a cooling fan, a top plate, and a test chamber front door assembly. A cavity is provided inside the test chamber housing, and the inner chamber assembly is provided inside the cavity. A test chamber rear door panel is provided at the rear end of the test chamber housing. A circuit breaker button installation groove is provided at the upper part of the rear end of the test chamber housing. The circuit breaker button is embedded in the circuit breaker button installation groove at the upper part of the rear end of the test chamber housing. A fan installation groove is provided on one side of the circuit breaker button installation groove. The cooling fan is embedded in the fan installation groove at the upper part of the rear end of the test chamber housing. A top plate is provided at the top of the test chamber housing. A test chamber front door assembly is provided at the front end of the test chamber housing. The test chamber front door assembly is movably connected to the test chamber housing through a hinge. The test chamber front door assembly seamlessly docks and fastens the inner chamber assembly on the test chamber housing. A main control installation position is provided at the upper part of the front end of the test chamber housing. The main control assembly is installed on the main control installation position at the upper part of the front end of the test chamber housing and seamlessly docks and fastens on the upper part of the front end of the test chamber housing. An alarm lamp is provided on the top plate. The alarm lamp is electrically connected to the electric control assembly. An explosion-proof door mounting plate is provided inside the top of the test chamber housing. The explosion-proof door assembly is installed on the explosion-proof door mounting plate inside the top of the test chamber housing. An explosion-proof door mounting hole is provided at the front end of the explosion-proof door mounting plate. A smoke exhaust hole is provided on one side of the explosion-proof door mounting hole. An electric control mounting plate is provided inside the rear end of the test chamber housing. A long shaft motor hole is provided at the rear end of the explosion-proof door mounting plate. An exhaust through hole is provided at the top left of the top plate.

[0009] As a further aspect, the front door assembly of the test chamber includes a front door panel of the test chamber, an inner cover plate of the front door of the test chamber, a first sealing ring of the front door of the test chamber, a window sandwich hollow mounting frame, a window sandwich hollow glass, a second sealing ring of the front door of the test chamber, a flameproof plate of the front door of the test chamber, and a tightening handle. The rear end of the front door panel of the test chamber is provided with an inner cover plate of the front door of the test chamber. A first sealing ring of the front door of the test chamber is provided between the front door panel of the test chamber and the inner cover plate of the front door of the test chamber. The first sealing ring of the front door of the test chamber seamlessly docks and fastens the inner cover plate of the front door of the test chamber on the front door panel of the test chamber. An installation frame groove is provided in the middle of the inner cover plate of the front door of the test chamber. The window sandwich hollow mounting frame is embedded in the installation frame groove in the middle of the inner cover plate of the front door of the test chamber. The window sandwich hollow glass is provided in the window sandwich hollow mounting frame. The flameproof plate of the front door of the test chamber seamlessly docks and fastens the window sandwich hollow mounting frame in the installation frame groove in the middle of the inner cover plate of the front door of the test chamber. A second sealing ring of the front door of the test chamber is provided between the inner cover plate of the front door of the test chamber and the inner box of the inner box assembly. The second sealing ring of the front door of the test chamber seamlessly docks and fastens the inner cover plate of the front door of the test chamber on the inner box of the inner box assembly. A plurality of hinges are provided on the left side of the front door panel of the test chamber. One side of the hinge is mounted on the left side of the front door panel of the test chamber, and the other side of the hinge is mounted on the left side of the test chamber housing. A tightening handle is provided on the right side of the front door panel of the test chamber. A glass window is provided in the middle of the front door panel of the test chamber.

[0010] As a further aspect, the inner box assembly includes an inner box, a mounting rack, an inner box cover plate, inner box columns, left and right air regulating plates of the inner box, upper and lower air regulating plates of the inner box, fin-type heating tubes, a heating tube mounting rack, a long-shaft motor, a fan mounting seat, and a fan. A mounting rack is provided on the inner side wall of the interior of the inner box. The rear end of the mounting rack is provided with an inner box cover plate. Inner box columns are provided on both sides of the inner box cover plate. A left and right air regulating plate of the inner box is provided on the upper left side of the inner box cover plate. An upper and lower air regulating plate of the inner box is provided on the upper right side of the inner box cover plate. A fan mounting seat is provided on the top of the inner box cover plate. A fan is provided in the fan mounting seat. The output shaft of the long-shaft motor passes through the long-shaft motor hole at the rear end of the explosion-proof door mounting plate and is connected to the fan. The heating tube mounting rack is mounted on the inner side wall at the rear end of the inner box. An outlet for the heating tube is provided on the outer side wall at the rear end of the inner box. A plurality of epoxy tubes are provided above the outlet. The epoxy tubes are used for heat insulation. An installation hole matching the explosion-proof door installation hole at the front end of the explosion-proof door mounting plate is provided at the front end of the top of the inner box. A fire extinguishing through hole is provided on one side of the installation hole. A through hole is provided in the middle of the top of the inner box.

[0011] Further, the fire extinguishing component includes a fire extinguishing base, a fire extinguisher body, a fire extinguishing connecting pipe, and a fire extinguishing nozzle. The fire extinguishing base is installed on the outer side wall of the rear end of the right side of the test chamber housing. The fire extinguisher body is provided inside the fire extinguishing base. One end of the fire extinguishing connecting pipe is connected to the fire extinguisher body, and the other end of the fire extinguishing connecting pipe passes through the fire protection through hole on the outer side wall of the front end of the right side of the test chamber housing and the through hole in the middle of the top of the inner box and is connected to the fire extinguishing nozzle. The fire extinguishing nozzle is aimed at the battery in the inner box for spraying.

[0012] Further, the explosion-proof door component includes a first explosion-proof mounting seat, a second explosion-proof mounting seat, an explosion-proof hinge, an explosion-proof door upper cover, an explosion-proof door middle frame, an explosion-proof door lower cover, an explosion-proof door sealing ring, an explosion-proof door epoxy pipe, a proximity switch mounting seat, a proximity switch, and a ring buckle. The first explosion-proof mounting seat is installed on the explosion-proof door mounting plate inside the top of the test chamber housing. The second explosion-proof mounting seat is installed on the outer side wall of the explosion-proof door upper cover. One end of the explosion-proof hinge is connected to the first explosion-proof mounting seat, and the other end of the explosion-proof hinge is connected to the second explosion-proof mounting seat. The explosion-proof door lower cover is installed in the explosion-proof door mounting hole at the front end of the explosion-proof door mounting plate. The explosion-proof door middle frame is provided inside the explosion-proof door lower cover. The explosion-proof door upper cover is provided above the explosion-proof door middle frame. An explosion-proof door sealing ring is provided between the explosion-proof door upper cover and the explosion-proof door lower cover. The explosion-proof door sealing ring seamlessly butt-joints and fastens the explosion-proof door middle frame to the explosion-proof door lower cover. The explosion-proof door upper cover seamlessly butt-joints and fastens the explosion-proof door sealing ring and the explosion-proof door middle frame to the explosion-proof door lower cover. An epoxy pipe mounting position is provided at the bottom of the explosion-proof door lower cover. One end of the explosion-proof door epoxy pipe is installed at the epoxy pipe mounting position at the bottom of the explosion-proof door lower cover, and the other end of the explosion-proof door epoxy pipe is embedded in the mounting hole at the front end of the top of the inner box. A ring buckle is provided between the middle parts of the explosion-proof door upper cover and the explosion-proof door lower cover. The ring buckle seamlessly butt-joints and fastens the explosion-proof door upper cover to the explosion-proof door lower cover. A proximity switch mounting seat is provided on the outer side wall of the explosion-proof door upper cover, and a proximity switch is provided on the proximity switch mounting seat.

[0013] Further, the smoke sensor component includes a smoke sensor lower housing, a smoke sensor, and a smoke sensor upper housing. The smoke sensor lower housing is installed on the left side of the electric control mounting plate inside the rear end of the test chamber housing. The smoke sensor is provided inside the smoke sensor lower housing. The smoke sensor upper housing seamlessly butt-joints and fastens the smoke sensor to the smoke sensor lower housing. The smoke sensor is electrically connected to the electric control component.

[0014] As a further aspect, the electric control component includes an electric control main board, an electric control controller, electric control terminals, an electric control guide rail, and an electric control frame. The electric control main board is installed on the right side of the electric control mounting board inside the rear end of the test chamber housing. A number of electric control guide rails are provided on the electric control main board. A number of electric control controllers and electric control terminals are sequentially provided on the electric control guide rails. The electric control frame seamlessly docks and fastens the electric control controller, the electric control terminals, and the electric control guide rails on the electric control main board. The smoke sensor is electrically connected to the electric control controller.

[0015] As a further aspect, the main control component includes a main control housing, a main control circuit board, main control buttons, a main control display, and a main control connection block. The main control housing is installed at the main control mounting position on the upper part of the front end of the test chamber housing. A cavity is provided inside the main control housing. The main control circuit board is provided in the cavity. A display mounting groove is provided on the right side of the main control housing. The main control display is embedded in the display mounting groove on the right side of the main control housing. A number of main control button holes are provided on the left side of the main control housing. The main control buttons are embedded in the main control button holes on the left side of the main control housing. The main control circuit board is electrically connected to the control buttons and the main control display. The main control housing is locked to the upper part of the front end of the test chamber housing through the main control connection block.

[0016] As a further aspect, the exhaust fan component includes an exhaust housing, an exhaust fan, an exhaust fan fixing bracket, and an exhaust epoxy pipe for the exhaust air. The exhaust housing passes through the exhaust hole on the explosion-proof door mounting plate and is inserted into the inner box. An exhaust fan mounting hole is provided on one side of the exhaust housing. The inlet of the exhaust fan is inserted into the exhaust fan mounting hole on one side of the exhaust housing and is communicated with the exhaust housing. The exhaust fan is fixedly connected to the exhaust housing through the exhaust fan fixing bracket. One end of the exhaust epoxy pipe for the exhaust air is communicated with the outlet of the exhaust fan. The other end of the exhaust epoxy pipe for the exhaust air passes through the exhaust through hole at the top left of the top plate and extends outside the top plate. The exhaust fan is electrically connected to the main control circuit board.

[0017] The beneficial effects of the present invention are as follows: (1) Simple structure, small volume, good stability, simple operation, with fire extinguishing function and explosion-proof function; (2) High temperature control accuracy: The high temperature test chamber adopts an advanced refrigeration and heating system, combined with a high-precision temperature sensor and a PID control algorithm, which can achieve precise temperature control with a very small error range, providing ideal conditions for various precision tests; (3) Good temperature uniformity: The high-temperature test chamber can create a highly consistent high-temperature environment inside the entire test chamber, ensuring that each test sample is affected by the same degree of temperature, thus greatly improving the accuracy and reliability of the test results; (4) High safety performance: The high-temperature test chamber is equipped with a high-quality temperature controller, with multiple safety functions such as leakage protection, over-temperature alarm and over-temperature protection, ensuring the safety of use. In addition, the equipment can operate stably at a high temperature of 150°C, with a wider application range; (5) Intelligent operation: The high-temperature test chamber is equipped with an intelligent monitoring and control system, which can real-time monitor and record data such as temperature changes and operating status during the test process, and is equipped with an intuitive and easy-to-understand operation interface, greatly improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of the flame-retardant explosion-proof high-temperature test chamber of the present invention; Figure 2 It is an explosion structural diagram of the flame-retardant explosion-proof high-temperature test chamber of the present invention; Figure 3 It is a schematic structural diagram of the main body of the test chamber of the present invention; Figure 4 It is an explosion structural diagram of the main body of the test chamber of the present invention; Figure 5 It is a schematic structural diagram of the front door assembly of the test chamber of the present invention; Figure 6 It is an explosion structural diagram of the front door assembly of the test chamber of the present invention; Figure 7 It is a schematic structural diagram of the inner box assembly of the present invention; Figure 8 It is an explosion structural diagram of the inner box assembly of the present invention; Figure 9 It is a schematic structural diagram of the fire extinguishing assembly of the present invention; Figure 10 It is an explosion structural diagram of the fire extinguishing assembly of the present invention; Figure 11 It is a schematic structural diagram of the explosion-proof door assembly of the present invention; Figure 12 It is an explosion structural diagram of the explosion-proof door assembly of the present invention; Figure 13 It is a schematic structural diagram of the smoke sensor assembly of the present invention; Figure 14 It is an explosion structural diagram of the smoke sensor assembly of the present invention; Figure 15 It is a schematic structural diagram of the electric control assembly of the present invention; Figure 16Explosion structure schematic diagram of the electronic control component of the present invention; Figure 17 Structure schematic diagram of the main control component of the present invention; Figure 18 Explosion structure schematic diagram of the main control component of the present invention; Figure 19 Structure schematic diagram of the exhaust fan component of the present invention; Figure 20 Explosion structure schematic diagram of the exhaust fan component of the present invention; Reference numerals: 1. Main body of the test chamber; 11. Housing of the test chamber; 110. Cavity; 111. Installation groove for the air switch button; 112. Installation groove for the fan; 113. Installation position for the main control; 114. Hinge; 12. Rear door panel of the test chamber; 13. Air switch button; 14. Cooling fan; 15. Top plate; 150. Exhaust through hole; 16. Front door assembly of the test chamber; 160. Front door panel of the test chamber; 161. Inner cover plate of the front door of the test chamber; 162. First sealing ring for the front door of the test chamber; 163. Installation frame for the hollow interlayer of the viewing window; 164. Hollow glass for the viewing window interlayer; 165. Second sealing ring for the front door of the test chamber; 166. Flameproof plate for the front door of the test chamber; 167. Tightening handle; 17. Alarm light; 18. Installation plate for the explosion-proof door; 180. Installation hole for the explosion-proof door; 181. Hole for the long-axis motor; 182. Smoke exhaust hole; 2. Inner box assembly; 201. Inner box; 202. Installation frame; 203. Inner box cover plate; 204. Inner box column; 205. Left and right air regulating plates for the inner box; 206. Upper and lower air regulating plates for the inner box; 207. Finned heating tube; 208. Installation frame for the heating tube; 209. Long-axis motor; 210. Fan installation seat; 211. Fan; 3. Fire extinguishing component; 31. Fire extinguishing base; 32. Fire extinguisher body; 33. Fire extinguishing connecting pipe; 34. Fire extinguishing nozzle; 4. Explosion-proof door component; 401. First explosion-proof installation seat; 402. Second explosion-proof installation seat; 403. Explosion-proof hinge; 404. Upper cover of the explosion-proof door; 405. Middle frame of the explosion-proof door; 406. Lower cover of the explosion-proof door; 407. Sealing ring for the explosion-proof door; 408. Epoxy tube for the explosion-proof door; 409. Installation seat for the proximity switch; 410. Proximity switch; 411. Ring buckle; 5. Electronic control component; 51. Electronic control main control board; 52. Electronic control controller; 53. Electronic control control terminal; 54. Electronic control control guide rail; 55. Electronic control frame; 6. Smoke sensor component; 61. Lower housing of the smoke sensor; 62. Smoke sensor; 63. Upper housing of the smoke sensor; 7. Main control component; 71. Main control housing; 72. Main control circuit board; 73. Main control button; 74. Main control display; 75. Main control connection block; 8. Exhaust fan component; 81. Exhaust housing; 82. Smoke exhaust fan; 83. Fixing frame for the smoke exhaust fan; 84. Epoxy tube for the smoke exhaust. Detailed implementation manners

[0019] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments: Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "comprising" and "having" and any variations thereof in the specification and claims of this application and the above drawings are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification and claims of this application or the above drawings are used to distinguish different objects and not to describe a specific order.

[0020] Reference herein to "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive with other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0021] Refer to as Figures 1 - 20 As shown in the figure, an explosion-proof high-temperature test chamber with a fire extinguishing function includes a test chamber main body 1, an inner chamber assembly 2, a fire extinguishing assembly 3, an explosion-proof door assembly 4, an electric control assembly 5, a smoke sensor assembly 6, a main control assembly 7, and an exhaust fan assembly 8. The inner chamber assembly 2 is provided inside the test chamber main body 1. The fire extinguishing assembly 3 is provided on the outer side wall of the test chamber main body 1. The explosion-proof door assembly 4 is provided at the top of the inner chamber assembly 2. The exhaust fan assembly 8 is provided on one side of the explosion-proof door assembly 4. The electric control assembly 5 is provided at the rear of the inner chamber assembly 1. The smoke sensor assembly 6 is provided on one side of the electric control assembly 5. The main control assembly 7 is provided above the front end of the test chamber main body 1. The main control assembly 7 is electrically connected to the electric control assembly 5 and the smoke sensor assembly 6. The electric control assembly 5 is electrically connected to the smoke sensor assembly 6 and the exhaust fan assembly 7. The explosion-proof door assembly 4 is electrically connected to the main control assembly 7.

[0022] Preferably, the main body 1 of the test chamber includes a test chamber housing 11, a rear door panel 12 of the test chamber, a circuit breaker button 13, a cooling fan 14, a top plate 15, and a front door assembly 16 of the test chamber. A cavity 110 is provided inside the test chamber housing 11, and an inner box assembly 2 is provided in the cavity 110. A rear door panel 12 of the test chamber is provided at the rear end of the test chamber housing 11. An installation groove 111 for the circuit breaker button is provided at the upper part of the rear end of the test chamber housing 11. The circuit breaker button 13 is embedded in the installation groove 111 for the circuit breaker button at the upper part of the rear end of the test chamber housing 11. A fan installation groove 112 is provided on one side of the installation groove 111 for the circuit breaker button. The cooling fan 14 is embedded in the fan installation groove 112 at the upper part of the rear end of the test chamber housing 11. A top plate 15 is provided at the top of the test chamber housing 11. A front door assembly 16 of the test chamber is provided at the front end of the test chamber housing 11. The front door assembly 16 of the test chamber is movably connected to the test chamber housing 11 through a hinge 114. The front door assembly 16 of the test chamber seamlessly docks and fastens the inner box assembly 2 onto the test chamber housing 11. A main control installation position 113 is provided at the upper part of the front end of the test chamber housing 11. The main control component 7 is installed on the main control installation position 113 at the upper part of the front end of the test chamber housing 11 and seamlessly docks and fastens onto the upper part of the front end of the test chamber housing 11. An alarm lamp 17 is provided on the top plate 15. The alarm lamp 17 is electrically connected to the electric control component 5. An explosion-proof door mounting plate 18 is provided inside the top of the test chamber housing 11. The explosion-proof door assembly 4 is installed on the explosion-proof door mounting plate 18 inside the top of the test chamber housing 11. An explosion-proof door installation hole 180 is provided at the front end of the explosion-proof door mounting plate 18. A smoke exhaust hole 182 is provided on one side of the explosion-proof door installation hole 180. An electric control mounting plate is provided inside the rear end of the test chamber housing 11. A long-axis motor hole 181 is provided at the rear end of the explosion-proof door mounting plate 18. An exhaust through hole 150 is provided at the top left of the top plate 15.

[0023] Preferably, the front door assembly 16 of the test chamber includes a front door panel 160 of the test chamber, an inner cover plate 161 of the front door of the test chamber, a first front door seal ring 162 of the test chamber, a window sandwich hollow mounting frame 163, a window sandwich hollow glass 164, a second front door seal ring 165 of the test chamber, a front door explosion-proof plate 166 of the test chamber, and a tightening handle 167. A rear end of the front door panel 160 of the test chamber is provided with the inner cover plate 161 of the front door of the test chamber. A first front door seal ring 162 of the test chamber is arranged between the front door panel 160 of the test chamber and the inner cover plate 161 of the front door of the test chamber. The first front door seal ring 162 seamlessly butt-joins and fastens the inner cover plate 161 of the front door of the test chamber onto the front door panel 160 of the test chamber. A mounting frame groove is provided in a middle of the inner cover plate 161 of the front door of the test chamber. The window sandwich hollow mounting frame 163 is embedded in the mounting frame groove in the middle of the inner cover plate 161 of the front door of the test chamber. The window sandwich hollow glass 164 is arranged in the window sandwich hollow mounting frame 163. The front door explosion-proof plate 166 of the test chamber seamlessly butt-joins and fastens the window sandwich hollow mounting frame 163 in the mounting frame groove in the middle of the inner cover plate 161 of the front door of the test chamber. A second front door seal ring 165 of the test chamber is arranged between the inner cover plate 161 of the front door of the test chamber and the inner box 201 of the inner box assembly 2. The second front door seal ring 165 seamlessly butt-joins and fastens the inner cover plate 161 of the front door of the test chamber onto the inner box 201 of the inner box assembly 2. A plurality of hinges 114 are provided on a left side of the front door panel 160 of the test chamber. One side of each hinge 114 is mounted on the left side of the front door panel 160 of the test chamber, and the other side of each hinge 114 is mounted on the left side of the test chamber housing 11. A tightening handle 167 is provided on a right side of the front door panel 160 of the test chamber. A glass window is provided in a middle of the front door panel 160 of the test chamber.

[0024] Preferably, the inner box assembly 2 includes an inner box 201, a mounting rack 202, an inner box cover plate 203, inner box columns 204, inner box left and right air deflectors 205, inner box up and down air deflectors 206, fin-type heating tubes 207, a heating tube mounting rack 208, a long-shaft motor 209, a fan mounting base 210, and a fan 211. A mounting rack 202 is provided on the inner side wall of the interior of the inner box 201. An inner box cover plate 203 is provided at the rear end of the mounting rack 202. Inner box columns 204 are provided on both sides of the inner box cover plate 203. An inner box left and right air deflector 205 is provided on the upper left side of the inner box cover plate 203. An inner box up and down air deflector 206 is provided on the upper right side of the inner box cover plate 203. A fan mounting base 210 is provided on the top of the inner box cover plate 203. A fan 211 is provided inside the fan mounting base 210. The output shaft of the long-shaft motor 209 passes through the long-shaft motor hole 181 at the rear end of the explosion-proof door mounting plate 18 and is connected to the fan 211. The heating tube mounting rack 202 is mounted on the inner side wall of the rear end of the inner box 201. An outlet for the heating tube is provided on the outer side wall of the rear end of the inner box 201. A plurality of epoxy tubes are provided above the outlet. The epoxy tubes are used for heat insulation. An installation hole matching the explosion-proof door installation hole 180 at the front end of the explosion-proof door mounting plate 18 is provided at the front end of the top of the inner box 201. A fire extinguishing through hole is provided on one side of the installation hole. A through hole is provided in the middle of the top of the inner box 201.

[0025] Preferably, the fire extinguishing assembly 3 includes a fire extinguishing base 31, a fire extinguisher body 32, a fire extinguishing connecting pipe 33, and a fire extinguishing nozzle 34. The fire extinguishing base 31 is mounted on the outer side wall of the rear end of the right side of the test chamber housing 11. The fire extinguisher body 32 is provided inside the fire extinguishing base 31. One end of the fire extinguishing connecting pipe 33 is connected to the fire extinguisher body 32. The other end of the fire extinguishing connecting pipe 33 passes through the fire protection through hole on the outer side wall of the front end of the right side of the test chamber housing 11 and the through hole in the middle of the top of the inner box 201 and is connected to the fire extinguishing nozzle 34. The fire extinguishing nozzle 34 is aimed at the battery in the inner box 201 for spraying.

[0026] Preferably, the explosion-proof door assembly 4 includes a first explosion-proof mounting base 401, a second explosion-proof mounting base 402, an explosion-proof hinge 403, an explosion-proof door upper cover 404, an explosion-proof door middle frame 405, an explosion-proof door lower cover 406, an explosion-proof door sealing ring 407, an explosion-proof door epoxy tube 408, a proximity switch mounting base 409, a proximity switch 410, and an annular buckle 411. The first explosion-proof mounting base 401 is mounted on the explosion-proof door mounting plate 18 inside the top of the test chamber housing 11. The second explosion-proof mounting base 402 is mounted on the outer side wall of the explosion-proof door upper cover 404. One end of the explosion-proof hinge 403 is connected to the first explosion-proof mounting base 401, and the other end of the explosion-proof hinge 403 is connected to the second explosion-proof mounting base 402. The explosion-proof door lower cover 406 is mounted in the explosion-proof door mounting hole 180 at the front end of the explosion-proof door mounting plate 18. The explosion-proof door middle frame 405 is provided inside the explosion-proof door lower cover 406. The explosion-proof door upper cover 404 is provided above the explosion-proof door middle frame 405. An explosion-proof door sealing ring 407 is provided between the explosion-proof door upper cover 404 and the explosion-proof door lower cover 406. The explosion-proof door sealing ring 407 seamlessly docks and fastens the explosion-proof door middle frame 405 on the explosion-proof door lower cover 406. The explosion-proof door upper cover 404 seamlessly docks and fastens the explosion-proof door sealing ring 407 and the explosion-proof door middle frame 405 on the explosion-proof door lower cover 406. An epoxy tube mounting position is provided at the bottom of the explosion-proof door lower cover 406. One end of the explosion-proof door epoxy tube 408 is mounted on the epoxy tube mounting position at the bottom of the explosion-proof door lower cover 406, and the other end of the explosion-proof door epoxy tube 408 is embedded in the mounting hole at the front end of the top of the inner box 201. An annular buckle 411 is provided between the middle parts of the explosion-proof door upper cover 404 and the explosion-proof door lower cover 406. The annular buckle 411 seamlessly docks and fastens the explosion-proof door upper cover 404 on the explosion-proof door lower cover 406. A proximity switch mounting base 409 is provided on the outer side wall of the explosion-proof door upper cover 404, and a proximity switch 410 is provided on the proximity switch mounting base 409.

[0027] Preferably, the smoke sensor assembly 6 includes a smoke sensor lower housing 61, a smoke sensor 62, and a smoke sensor upper housing 63. The smoke sensor lower housing 61 is mounted on the left side of the electric control mounting plate inside the rear end of the test chamber housing 11. The smoke sensor 62 is provided inside the smoke sensor lower housing 61. The smoke sensor upper housing 63 seamlessly docks and fastens the smoke sensor 62 on the smoke sensor lower housing 61. The smoke sensor 62 is electrically connected to the electric control assembly 5.

[0028] Preferably, the electric control assembly 5 includes an electric control main board 51, an electric control controller 52, electric control terminals 53, an electric control guide rail 54, and an electric control frame 55. The electric control main board 51 is installed on the right side of the electric control mounting board inside the rear end of the test chamber housing 11. A plurality of electric control guide rails 54 are provided on the electric control main board 51. A plurality of electric control controllers 52 and electric control terminals 53 are sequentially provided on the electric control guide rails 54. The electric control frame 55 seamlessly docks and fastens the electric control controller 52, the electric control terminals 53, and the electric control guide rail 54 on the electric control main board 51. The smoke sensor 62 is electrically connected to the electric control controller 52.

[0029] Preferably, the main control assembly 7 includes a main control housing 71, a main control circuit board 72, main control buttons 73, a main control display 74, and a main control connection block 75. The main control housing 71 is installed on the main control mounting position 113 at the upper part of the front end of the test chamber housing 11. A cavity is provided inside the main control housing 71, and a main control circuit board 72 is provided in the cavity. A display mounting groove is provided on the right side of the main control housing 71, and the main control display 74 is embedded in the display mounting groove on the right side of the main control housing 71. A plurality of main control button holes are provided on the left side of the main control housing 71, and the main control buttons 73 are embedded in the main control button holes on the left side of the main control housing 71. The main control circuit board 72 is electrically connected to the control buttons 73 and the main control display 74. The main control housing 71 is locked to the upper part of the front end of the test chamber housing 11 through the main control connection block 75.

[0030] Preferably, the exhaust fan assembly 8 includes an exhaust housing 81, an exhaust fan 82, an exhaust fan fixing bracket 83, and an exhaust epoxy pipe 84 for the exhaust fan. The exhaust housing 81 passes through the exhaust hole 182 on the explosion-proof door mounting plate 18 and is inserted into the inner box 201. An exhaust fan mounting hole is provided on one side of the exhaust housing 81. The inlet of the exhaust fan 82 is inserted into the exhaust fan mounting hole on one side of the exhaust housing 81 and is communicated with the exhaust housing 82. The exhaust fan 82 is fixedly connected to the exhaust housing 81 through the exhaust fan fixing bracket 83. One end of the exhaust epoxy pipe 84 for the exhaust fan is communicated with the outlet of the exhaust fan 82. The other end of the exhaust epoxy pipe 84 for the exhaust fan passes through the exhaust through hole 150 at the top of the left side of the top plate 15 and extends outside the top plate 15. The exhaust fan 82 is electrically connected to the main control circuit board 72.

[0031] Based on the disclosure and teachings of the above specification, those skilled in the art to which the present invention pertains can also make appropriate changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Claims

1. An explosion-proof high-temperature test chamber with a fire extinguishing function, characterized in that: It includes a test chamber main body, an inner chamber assembly, a fire extinguishing assembly, an explosion-proof door assembly, an electric control assembly, a smoke sensor assembly, a main control assembly, and an exhaust fan assembly. An inner chamber assembly is provided inside the test chamber main body. A fire extinguishing assembly is provided on the outer side wall of the test chamber main body. An explosion-proof door assembly is provided at the top of the inner chamber assembly. An exhaust fan assembly is provided on one side of the explosion-proof door assembly. An electric control assembly is provided at the rear of the inner chamber assembly. A smoke sensor assembly is provided on one side of the electric control assembly. A main control assembly is provided above the front end of the test chamber main body. The main control assembly is electrically connected to the electric control assembly and the smoke sensor assembly. The electric control assembly is electrically connected to the smoke sensor assembly and the exhaust fan assembly. The explosion-proof door assembly is electrically connected to the main control assembly.

2. The flameproof high-temperature test chamber with fire extinguishing function according to claim 1, wherein: The test chamber main body includes a test chamber housing, a test chamber rear door panel, an air switch button, a cooling fan, a top plate, and a test chamber front door assembly. A cavity is provided inside the test chamber housing. The inner chamber assembly is provided in the cavity. A test chamber rear door panel is provided at the rear end of the test chamber housing. An air switch button installation groove is provided at the upper part of the rear end of the test chamber housing. The air switch button is embedded in the air switch button installation groove at the upper part of the rear end of the test chamber housing. A fan installation groove is provided on one side of the air switch button installation groove. The cooling fan is embedded in the fan installation groove at the upper part of the rear end of the test chamber housing. A top plate is provided at the top of the test chamber housing. A test chamber front door assembly is provided at the front end of the test chamber housing. The test chamber front door assembly is movably connected to the test chamber housing through a hinge. The test chamber front door assembly seamlessly docks and fastens the inner chamber assembly on the test chamber housing. A main control installation position is provided at the upper part of the front end of the test chamber housing. The main control assembly is installed at the main control installation position at the upper part of the front end of the test chamber housing and seamlessly docks and fastens at the upper part of the front end of the test chamber housing. An alarm lamp is provided on the top plate. The alarm lamp is electrically connected to the electric control assembly. An explosion-proof door mounting plate is provided inside the top of the test chamber housing. The explosion-proof door assembly is installed on the explosion-proof door mounting plate inside the top of the test chamber housing. An explosion-proof door mounting hole is provided at the front end of the explosion-proof door mounting plate. A smoke exhaust hole is provided on one side of the explosion-proof door mounting hole. An electric control mounting plate is provided inside the rear end of the test chamber housing. A long shaft motor hole is provided at the rear end of the explosion-proof door mounting plate. An exhaust ventilation hole is provided at the top left of the top plate.

3. The explosion-proof high-temperature test chamber with fire extinguishing function according to claim 2, wherein: The front door assembly of the test chamber includes a front door panel of the test chamber, an inner cover plate of the front door of the test chamber, a first sealing ring for the front door of the test chamber, a hollow mounting frame for the window interlayer, a hollow glass for the window interlayer, a second sealing ring for the front door of the test chamber, an explosion-proof plate for the front door of the test chamber, and a tightening handle. The rear end of the front door panel of the test chamber is provided with an inner cover plate of the front door of the test chamber. A first sealing ring for the front door of the test chamber is arranged between the front door panel of the test chamber and the inner cover plate of the front door of the test chamber. The first sealing ring for the front door of the test chamber seamlessly docks and fastens the inner cover plate of the front door of the test chamber on the front door panel of the test chamber. An installation frame groove is arranged in the middle of the inner cover plate of the front door of the test chamber. The hollow mounting frame for the window interlayer is embedded in the installation frame groove in the middle of the inner cover plate of the front door of the test chamber. The hollow glass for the window interlayer is arranged in the hollow mounting frame for the window interlayer. The explosion-proof plate for the front door of the test chamber seamlessly docks and fastens the hollow mounting frame for the window interlayer in the installation frame groove in the middle of the inner cover plate of the front door of the test chamber. A second sealing ring for the front door of the test chamber is arranged between the inner cover plate of the front door of the test chamber and the inner box of the inner box assembly. The second sealing ring for the front door of the test chamber seamlessly docks and fastens the inner cover plate of the front door of the test chamber on the inner box of the inner box assembly. A plurality of hinges are arranged on the left side of the front door panel of the test chamber. One side of the hinge is installed on the left side of the front door panel of the test chamber, and the other side of the hinge is installed on the left side of the test chamber housing. A tightening handle is arranged on the right side of the front door panel of the test chamber. A glass window is arranged in the middle of the front door panel of the test chamber.

4. The explosion-proof high-temperature test chamber with a fire extinguishing function according to claim 1, wherein: The inner box assembly includes an inner box, a mounting rack, an inner box cover plate, inner box columns, left and right air regulating plates for the inner box, upper and lower air regulating plates for the inner box, fin-type heating tubes, a heating tube mounting rack, a long-shaft motor, a fan mounting seat, and a fan. A mounting rack is arranged on the inner side wall of the inner part of the inner box. The rear end of the mounting rack is provided with an inner box cover plate. Inner box columns are arranged on both sides of the inner box cover plate. A left and right air regulating plate for the inner box is arranged on the upper left side of the inner box cover plate. An upper and lower air regulating plate for the inner box is arranged on the upper right side of the inner box cover plate. A fan mounting seat is arranged on the top of the inner box cover plate. A fan is arranged in the fan mounting seat. The output shaft of the long-shaft motor passes through the long-shaft motor hole at the rear end of the explosion-proof door mounting plate and is connected to the fan. The heating tube mounting rack is installed on the inner side wall at the rear end of the inner box. An outlet for the heating tube is arranged on the outer side wall at the rear end of the inner box. A plurality of epoxy tubes are arranged above the outlet. The epoxy tubes are used for heat insulation. An installation hole matching the explosion-proof door installation hole at the front end of the explosion-proof door mounting plate is arranged at the front end of the top of the inner box. A fire extinguishing through hole is arranged on one side of the installation hole. A through hole is arranged in the middle of the top of the inner box.

5. The explosion-proof high-temperature test chamber with fire extinguishing function according to claim 4, characterized in that: The fire extinguishing assembly includes a fire extinguishing base, a fire extinguisher body, a fire extinguishing connecting pipe, and a fire extinguishing nozzle. The fire extinguishing base is installed on the outer side wall at the rear end of the right side of the test chamber housing. The fire extinguisher body is arranged in the fire extinguishing base. One end of the fire extinguishing connecting pipe is connected to the fire extinguisher body. The other end of the fire extinguishing connecting pipe passes through the fire protection through hole on the outer side wall at the front end of the right side of the test chamber housing and the through hole in the middle of the top of the inner box and is connected to the fire extinguishing nozzle. The fire extinguishing nozzle aims at the battery in the inner box for spraying.

6. The explosion-proof high-temperature test chamber with fire extinguishing function according to claim 4, characterized in that: The explosion-proof door assembly includes a first explosion-proof mounting base, a second explosion-proof mounting base, an explosion-proof hinge, an explosion-proof door upper cover, an explosion-proof door middle frame, an explosion-proof door lower cover, an explosion-proof door sealing ring, an explosion-proof door epoxy tube, a proximity switch mounting base, a proximity switch, and a ring buckle. The first explosion-proof mounting base is installed on the explosion-proof door mounting plate inside the top of the test chamber housing. The second explosion-proof mounting base is installed on the outer side wall of the explosion-proof door upper cover. One end of the explosion-proof hinge is connected to the first explosion-proof mounting base, and the other end of the explosion-proof hinge is connected to the second explosion-proof mounting base. The explosion-proof door lower cover is installed in the explosion-proof door mounting hole at the front end of the explosion-proof door mounting plate. An explosion-proof door middle frame is provided inside the explosion-proof door lower cover. An explosion-proof door upper cover is provided above the explosion-proof door middle frame. An explosion-proof door sealing ring is provided between the explosion-proof door upper cover and the explosion-proof door lower cover. The explosion-proof door sealing ring seamlessly butt-joins and fastens the explosion-proof door middle frame to the explosion-proof door lower cover. The explosion-proof door upper cover seamlessly butt-joins and fastens the explosion-proof door sealing ring and the explosion-proof door middle frame to the explosion-proof door lower cover. An epoxy tube mounting position is provided at the bottom of the explosion-proof door lower cover. One end of the explosion-proof door epoxy tube is installed at the epoxy tube mounting position at the bottom of the explosion-proof door lower cover, and the other end of the explosion-proof door epoxy tube is embedded in the mounting hole at the front end of the top of the inner box. A ring buckle is provided between the middle parts of the explosion-proof door upper cover and the explosion-proof door lower cover. The ring buckle seamlessly butt-joins and fastens the explosion-proof door upper cover to the explosion-proof door lower cover. A proximity switch mounting base is provided on the outer side wall of the explosion-proof door upper cover, and a proximity switch is provided on the proximity switch mounting base.

7. The explosion-proof high-temperature test chamber with fire extinguishing function according to claim 2, characterized in that: The smoke sensor assembly includes a smoke sensor lower housing, a smoke sensor, and a smoke sensor upper housing. The smoke sensor lower housing is installed on the left side of the electric control mounting plate inside the rear end of the test chamber housing. A smoke sensor is provided inside the smoke sensor lower housing. The smoke sensor upper housing seamlessly butt-joins and fastens the smoke sensor to the smoke sensor lower housing. The smoke sensor is electrically connected to the electric control assembly.

8. The explosion-proof high-temperature test chamber with fire extinguishing function according to claim 7, characterized in that: The electric control assembly includes an electric control main board, an electric control controller, an electric control control terminal, an electric control control rail, and an electric control frame. The electric control main board is installed on the right side of the electric control mounting plate inside the rear end of the test chamber housing. A number of electric control control rails are provided on the electric control main board. A number of electric control controllers and electric control control terminals are sequentially provided on the electric control control rails. The electric control frame seamlessly butt-joins and fastens the electric control controller, the electric control control terminal, and the electric control control rail to the electric control main board. The smoke sensor is electrically connected to the electric control controller.

9. The flameproof high-temperature test chamber with fire extinguishing function according to claim 2, characterized in that: The main control component includes a main control housing, a main control circuit board, main control buttons, a main control display, and a main control connection block. The main control housing is installed at the main control installation position on the upper front end of the test chamber housing. There is a cavity inside the main control housing, and the main control circuit board is arranged in the cavity. There is a display installation groove on the right side of the main control housing, and the main control display is embedded in the display installation groove on the right side of the main control housing. There are several main control button holes on the left side of the main control housing, and the main control buttons are embedded in the main control button holes on the left side of the main control housing. The main control circuit board is electrically connected to the control buttons and the main control display. The main control housing is locked on the upper front end of the test chamber housing through the main control connection block.

10. The explosion-proof high-temperature test chamber with fire extinguishing function according to claim 2, characterized in that: The smoke exhaust fan component includes an exhaust housing, a smoke exhaust fan, a smoke exhaust fan fixing bracket, and a smoke exhaust epoxy pipe. The exhaust housing passes through the smoke exhaust hole on the explosion-proof door installation plate and is inserted into the inner box. There is a smoke exhaust fan installation hole on one side of the exhaust housing, and the inlet of the smoke exhaust fan is inserted into the smoke exhaust fan installation hole on one side of the exhaust housing and is communicated with the exhaust housing. The smoke exhaust fan is fixedly connected to the exhaust housing through the smoke exhaust fan fixing bracket. One end of the smoke exhaust epoxy pipe is communicated with the outlet of the smoke exhaust fan, and the other end of the smoke exhaust epoxy pipe passes through the exhaust through hole at the top left of the top plate and extends outside the top plate. The smoke exhaust fan is electrically connected to the main control circuit board.

Citation Information

Patent Citations

  • High and low temperature test box

    CN113680396A

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    CN116550394A