CN217189646U - Walk-in type explosion-proof high-low temperature test box - Google Patents

Abstract

The utility model discloses an explosion-proof high low temperature test box of walk-in, including experimental box and set up smog alarm mechanism, fire control spraying mechanism, exhaust mechanism and pressure relief device on experimental box, experimental box is including having box body, chamber door subassembly and the leading-in piece of slope that falls to the ground the entry. The utility model discloses a ground entry and slope leading-in can make things convenient for large-scale sample to get into the box body, spray the spontaneous combustion spontaneous explosion that the mechanism can reduce the internal test sample of proof box through smog alarm mechanism and fire control, it is exhaust to step down the test box through exhaust mechanism and pressure relief device, can reduce or even cut off test sample spontaneous combustion spontaneous explosion, can protect the test box again and can not arouse the spontaneous explosion and destroyed, simple structure, high safety factor, therefore, the clothes hanger is strong in practicability.

Description

Walk-in type explosion-proof high-low temperature test box

Technical Field

The utility model relates to a proof box technical field, more specifically say, relate to an explosion-proof high low temperature test box of formula of walking.

Background

The walk-in test box is also called a warehouse board box, the interior of the box is a working chamber, and the walk-in test box is mainly used for placing an amplification type test piece to perform high-temperature and low-temperature damp-heat tests or providing other services for users, the working chamber of the box is from several cubic meters to thousands of cubic meters, and people usually walk in the working chamber or vehicles run.

The large-scale test box is mainly used for carrying out high-temperature and low-temperature damp-heat tests on large-scale test pieces, the temperature range in a working chamber is usually-70 ℃ to +150 ℃, and at a certain specific temperature point, the humidity in the working chamber reaches the test requirements by adding water vapor or water mist and the like into the working chamber.

For example, after a motor product is produced, a corresponding performance test is usually required to be performed on the motor product to analyze the performance of the motor product, and meanwhile, subsequent research and development are facilitated to bring improvement and optimization directions, so that the motor product needs to be placed into a test box to simulate various extreme use environments such as high temperature, low temperature and the like to test the performance of the product.

But the danger of fire or even explosion often occurs in the process.

Therefore, when the test box works, great potential safety hazards exist for the safety of testing personnel and equipment around the test box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof high low temperature test case of step-in for improve the technical problem of test case at the factor of safety of test sample.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides an explosion-proof high low temperature test box of formula of walking, wherein, include:

the test box comprises a box body with a landing inlet, a box door assembly and an inclined lead-in piece, wherein the box door assembly is rotatably connected with the box body and is used for closing the landing inlet, the inclined lead-in piece is positioned at the landing inlet of the box body, and the inclined lead-in piece is detachably connected with the box body;

the smoke alarm mechanism is arranged on the test box body and used for providing smoke alarm when a test sample is smoked by the test box body;

the fire-fighting spraying mechanism is arranged on the test box body and used for spraying water to cool the test sample in the test box body;

the exhaust mechanism is arranged on the test box body and used for exhausting gas in the test box body;

and the pressure relief device is arranged on the test box body and is used for carrying out pressure reduction and pressure control treatment on the test box body.

In one embodiment, the door assembly includes:

the refrigerator body is provided with a first door body, a first door hinge and a first door lock are arranged on the first door body, one side of the first door body is rotationally connected with the refrigerator body through the first door hinge, and the other side of the first door body is in locking connection with the refrigerator body through the first door lock;

the refrigerator comprises a refrigerator body, wherein a first door hinge and a first door lock are arranged on the refrigerator body, one side of the refrigerator body is rotatably connected with the refrigerator body through the first door hinge, and the other side of the refrigerator body is connected with the refrigerator body through the first door lock in a locking mode.

In one embodiment, the first door body and the second door body are both provided with observation windows.

In one embodiment, the door assembly is provided with a door sensor switch in a connecting manner, the door sensor switch comprises a door sensor and a sensor strip, the door sensor is fixed on the box body, and the sensor strip is fixed on the door assembly.

In one embodiment, the test chamber further comprises:

the mechanical chamber is arranged on one side, away from the box door assembly, of the box body and is used for installing a refrigerating unit and introducing air into the box body;

the power distribution cabinet is arranged on one side, away from the box door assembly, of the box body and is used for supplying power to the box body and the mechanical chamber.

In one embodiment, the smoke alarm mechanism comprises:

a smoke alarm;

the smoke pipe is connected with the smoke alarm, and the smoke pipe is communicated with the test box body.

In one embodiment, the fire sprinkler mechanism includes:

the spray head is arranged at the top in the test box body;

one end of the fire fighting pipeline is communicated with the spray head in the test box body;

and the electric ball valve is communicated with one end of the fire fighting pipeline, which is far away from the spray head.

In one embodiment, the fire fighting pipeline comprises a fire fighting irrigation pipeline and a fire fighting water spray pipeline, the electric ball valve comprises an irrigation ball valve and a water spray ball valve, the nozzle is respectively communicated with the fire fighting irrigation pipeline and the fire fighting water spray pipeline, one end of the fire fighting irrigation pipeline, which is far away from the nozzle, is communicated with the irrigation ball valve, and one end of the fire fighting water spray pipeline, which is far away from the nozzle, is communicated with the water spray ball valve.

In one embodiment, the exhaust mechanism includes:

one end of the centrifugal fan is communicated with the test box body;

the exhaust pipe is positioned between the centrifugal fan and the test box body and is used for communicating the centrifugal fan with the test box body;

and the electric butterfly valve is positioned between the exhaust pipe and the centrifugal fan.

The utility model provides a pair of explosion-proof high low temperature test case of walk-in's beneficial effect lies in at least:

the utility model provides a walk-in explosion-proof high low temperature test box, including experimental box and set up the smog alarm mechanism on experimental box, the fire control sprays the mechanism, exhaust mechanism and pressure relief device, experimental box is including having the box body that falls to the ground the entry, chamber door subassembly and slope leading-in piece, smog alarm mechanism is used for experimental box when the test sample takes place to emit smoke, be used for providing smog warning, the fire control sprays the mechanism and is used for carrying out the water spray cooling to the test sample at experimental box, exhaust mechanism is used for discharging the gas in the experimental box, pressure relief device is used for stepping down and accuse pressure treatment to experimental box. The utility model discloses a ground entry and slope leading-in piece can make things convenient for large-scale sample to get into the box body, spray the spontaneous combustion spontaneous explosion that the mechanism can reduce the internal test sample of proof box through smog alarm mechanism and fire control, carry out the decompression exhaust to the experimental box through exhaust mechanism and pressure relief device, can reduce or even cut off test sample spontaneous combustion spontaneous explosion, can protect the experimental box again and can not arouse the spontaneous explosion and destroyed, moreover, the steam generator is simple in structure, high safety coefficient, therefore, the clothes hanger is strong in practicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic perspective view of a walk-in explosion-proof high-low temperature test chamber provided in an embodiment of the present invention;

fig. 2 is a schematic perspective view of another view angle of the walk-in explosion-proof high and low temperature test chamber provided by the embodiment of the present invention;

fig. 3 is a schematic structural view of a smoke alarm mechanism provided in an embodiment of the present invention;

fig. 4 is a schematic structural view of a fire-fighting spraying mechanism provided by the embodiment of the present invention;

fig. 5 is a schematic view of an operating state of the fire sprinkler mechanism according to the embodiment of the present invention;

fig. 6 is a schematic structural diagram of an exhaust mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an air duct assembly according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100. a test box body; 200. a smoke alarm mechanism; 300. a fire-fighting spraying mechanism; 400. an exhaust mechanism; 500. a pressure relief device; 110. testing the box body; 120. a machine room; 130. a power distribution cabinet; 140. a bin door assembly; 150. an inclined lead-in member; 160. an observation window; 170. a door sensing switch; 180. monitoring the camera; 190. a control panel; 141. a first door body; 142. a second door body; 143. a first door hinge; 144. a first door lock; 145. a second door hinge; 146. a second door lock; 171. a door sensing sensor; 172. an induction sheet; 191. testing the connecting hole; 210. a smoke tube; 220. a smoke alarm; 310. a spray head; 320. a fire conduit; 330. an electric ball valve; 340. a fire-fighting manual control box; 321. a fire-fighting water-filling pipeline; 322. a fire fighting water spray pipeline; 331. a water filling ball valve; 332. a water spray ball valve; 410. an exhaust pipe; 420. a centrifugal fan; 430. an electric butterfly valve; 440. an air duct assembly; 450. a centrifugal turbine; 460. a heater; 470. a refrigeration evaporator.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.

Referring to fig. 1, the present embodiment provides a walk-in explosion-proof high and low temperature test chamber, including: the device comprises a test box body 100, a smoke alarm mechanism 200, a fire sprinkler mechanism 300, an exhaust mechanism 400 and a pressure relief device 500. The test chamber 100 includes a chamber body having a landing entrance, a door assembly 140, and a tilt guide 150, wherein the door assembly 140 is rotatably connected to the chamber body, the door assembly 140 is used to close the landing entrance, and the tilt guide 150 is located at the landing entrance of the chamber body and the tilt guide 150 is detachably connected to the chamber body. Wherein, the test box 100 is respectively provided with a smoke alarm mechanism 200, a fire-fighting spraying mechanism 300, an exhaust mechanism 400 and a pressure relief device 500. The smoke alarm mechanism 200 is used for providing smoke alarm when a test sample of the test box 100 is smoked, the fire spraying mechanism 300 is used for spraying water to cool the test sample in the test box 100, and the exhaust mechanism 400 is used for exhausting gas in the test box 100; the pressure relief device 500 is used for performing pressure reduction and pressure control on the test chamber 100.

In this embodiment, the walk-in explosion-proof high-low temperature test chamber is used for testing large-scale test samples, and has the advantages of large space, landing and the like, in this embodiment, the large-scale samples can conveniently enter the chamber body through the landing inlet and the inclined lead-in part 150, when the test samples are abnormal in high temperature or smoke in the test process in the test chamber 100, a high-temperature alarm or a smoke alarm can be triggered, and then the fire-fighting spraying mechanism 300 is triggered, and the test samples in the test chamber 100 are cooled by spraying water through the fire-fighting spraying mechanism 300, so that spontaneous combustion or spontaneous explosion of the test samples is prevented; if the spontaneous combustion and spontaneous explosion of test sample take place, the inside pressure of experimental box 100 can rise, pressure relief device 500 can pop open the relief valve automatically, can discharge the inside gas of box fast through exhaust mechanism 400, accomplish the gas exchange in experimental box 100 fast, smog alarm mechanism 200 and fire control spraying mechanism 300 in this embodiment, exhaust mechanism 400 and pressure relief device 500 are correlated with each other, interact, can reduce or even cut off test sample spontaneous combustion and spontaneous explosion, can protect experimental box 100 again and can not arouse the spontaneous explosion and destroyed, moreover, the steam generator is simple in structure, high safety factor, therefore, the clothes hanger is strong in practicability.

Example 1:

referring to fig. 1, an explosion-proof high and low temperature test chamber includes: the testing box 100, the high temperature alarm mechanism, the smoke alarm mechanism 200, the fire sprinkler mechanism 300, the exhaust mechanism 400 and the pressure relief device 500, the testing box 100 comprises a box body with a landing entrance, a box door component 140, an inclined lead-in 150, a machinery chamber 120 and a power distribution cabinet 130, the box door component 140 is rotatably connected with the box body, the box door component 140 is used for closing the landing entrance, the inclined lead-in 150 is positioned at the landing entrance of the box body, the inclined lead-in 150 is detachably connected with the box body, the inner wall of the box body can be made of 304 stainless steel, the machinery chamber 120 is arranged at one side of the box body far away from the box door component 140, the machinery chamber 120 is used for installing a refrigerating unit and is used for introducing air into the testing box 110, the power distribution cabinet 130 is arranged at one side of the box body far away from the box door component 140 and is used for supplying power to the testing box 110 and the machinery chamber 120, wherein, be provided with control circuit in the switch board 130, this control circuit is connected with high temperature alarm mechanism, smog alarm mechanism 200, fire control spraying mechanism 300, exhaust mechanism 400 and pressure relief device 500 respectively, and high temperature alarm mechanism, smog alarm mechanism 200, fire control spraying mechanism 300, exhaust mechanism 400 and pressure relief device 500 carry out work through this control circuit drive, and distribution cabinet 130 is the electrical apparatus control system of whole equipment promptly.

Referring to fig. 1, in this embodiment, a door assembly 140 is disposed on a front side of the box body, a machine room 120 and a power distribution cabinet 130 are disposed on a rear side of the box body, please refer to fig. 2, the door assembly 140 includes a first door 141 and a second door 142, the first door 141 is provided with a first door hinge 143 and a first door lock 144, one side of the first door 141 is rotatably connected to the box body through the first door hinge 143, the other side of the first door 141 is connected to the box body through the first door lock 144, the second door 142 is provided with a second door hinge 145 and a second door lock 146, one side of the second door 142 is rotatably connected to the box body through the second door hinge 145, the other side of the second door 142 is connected to the box body through the second door lock 146, in this embodiment, the door assembly 140 includes the first door 141 and the second door 142, that is, that the door assembly 140 adopts a double-door structure, can save the occupied space and is convenient to use. For the convenience of observation, the observation windows 160 are disposed on the first door body 141 and the second door body 142, and on the left side and the right side of the box body.

Referring to fig. 1, the door assembly 140 is provided with a door sensing switch 170 in a connecting manner, the door sensing switch 170 includes a door sensing sensor 171 and a sensing piece 172, the door sensing sensor 171 may be an infrared sensor, the door sensing sensor 171 is fixed on the box body, the sensing piece 172 is fixed on the door assembly 140, and whether the door assembly 140 and the box body are closed in place or not can be determined through the door sensing switch 170, so that a sealed test working environment can be ensured. The door sensor switch 170 may be a conventional door sensor switch, and the specific structure of the door sensor switch 170 is not described herein.

Referring to fig. 1, two inclined lead-in members 150 are provided, the inclined lead-in member 150 on the left side is located at the position of the first door 141, the inclined lead-in member 150 on the right side is located at the position of the second door 142, and the large sample can conveniently enter the box body through the inclined lead-in members 150 on the left and right sides, for example, the large sample can be directly sent into the box body through a forklift or a cart for testing. The inclined guide-in part 150 is used for transitionally connecting the plane of the box body with the ground, and the specific structure of the inclined guide-in part 150 may be the prior art, which is not described herein again.

Referring to fig. 2, a control panel 190 and a test connection hole 191 may be further disposed on the left side of the box body, the test connection hole 191 is used for testing a test sample, and a controller, an emergency stop button, an over-temperature protector, a timer, a three-color lamp and a buzzer alarm may be disposed on the control panel 190.

Please refer to fig. 3, the inside of the box body is provided with the monitoring camera 180, the monitoring camera 180 is fixed at the top of the box body for monitoring and shooting the inside of the box body, in this embodiment, the monitoring camera 180 is arranged in the box body, so that the test sample in the test box body 100 can be observed through the monitoring camera 180, and the remote monitoring can be realized.

Referring to fig. 3, the smoke alarm mechanism 200 includes: the smoke alarm 220 and the smoke tube 210, the smoke tube 210 is connected with the smoke alarm 220, the smoke tube 210 is communicated with the test box 100, the high temperature alarm mechanism comprises a temperature sensor and a high temperature alarm, wherein the smoke tube 210 is connected with the smoke sensor, for example, the smoke tube 210 in the test box 100 can be arranged above a test sample, namely, the smoke tube 210 is arranged at the central position of the top of the test box 100, the smoke tube 210 is internally provided with the smoke sensor, in addition, the test box 100 can be internally provided with a plurality of temperature sensors, the temperature sensors are uniformly arranged around the test sample, when the test sample smokes, the smoke alarm 220 can be triggered by the smoke sensor, the fire-fighting spraying mechanism 300 is further triggered to spray water and cool the test sample, so that the natural spontaneous explosion of the test sample is prevented, or when the test sample has high temperature and abnormal, trigger high temperature alarm through temperature sensor, and then trigger fire control spraying mechanism 300 and carry out the water spray cooling to the test sample, and then prevent the spontaneous explosion of test sample.

Referring to fig. 1, a fire sprinkler 300 includes: the spray nozzle 310 is arranged at the top in the test box body 100, one end of the fire fighting pipeline 320 is communicated with the spray nozzle 310 in the test box body 100, and the electric ball valve 330 is communicated with one end, far away from the spray nozzle 310, of the fire fighting pipeline 320. For example, referring to fig. 5, a fire-fighting pipeline 320 is arranged in the test box 100, one end of the fire-fighting pipeline 320 is connected with two nozzles 310, and the other end of the fire-fighting pipeline 320 is communicated with a water source through an electric ball valve 330, when a test sample generates high temperature or smoke, a temperature sensor or a smoke sensor sends a signal, the electric ball valve 330 on the fire-fighting spraying mechanism 300 is automatically opened, and further the nozzles 310 are driven to spray water and mist for dust fall, fire extinguishing and temperature reduction, and the fire-fighting spraying mechanism 300 can also be manually opened and closed through a manual fire-fighting control box 340.

Specifically, referring to fig. 4 and 5, the fire fighting pipeline 320 includes a fire fighting irrigation pipeline 321 and a fire fighting water spray pipeline 322, the electric ball valve 330 includes an irrigation ball valve 331 and a water spray ball valve 332, the nozzle 310 is respectively communicated with the fire fighting irrigation pipeline 321 and the fire fighting water spray pipeline 322, one end of the fire fighting irrigation pipeline 321 far away from the nozzle 310 is communicated with the irrigation ball valve 331, and one end of the fire fighting water spray pipeline 322 far away from the nozzle 310 is communicated with the water spray ball valve 332. In this embodiment, the nozzle 310 can be driven by the water spray ball valve 332 to perform dust fall treatment, and the nozzle 310 can perform fire extinguishing and temperature reduction by spraying water through the water irrigation ball valve 331, namely, the water flow rate of the water spray can be conveniently controlled through the water irrigation ball valve 331 and the water spray ball valve 332, so that the use is facilitated.

Referring to fig. 6, the exhaust mechanism 400 includes: centrifugal fan 420, blast pipe 410 and electronic butterfly valve 430, centrifugal fan 420 communicates with each other with experimental box 100, and blast pipe 410 is located centrifugal fan 420 and experimental box 100 between for communicate centrifugal fan 420 and experimental box 100, and electronic butterfly valve 430 is located blast pipe 410 and centrifugal fan 420 between. In this embodiment, the centrifugal fan 420 is installed on the top of the test chamber 100, the centrifugal fan 420 is communicated with the test chamber 100 through the exhaust pipe 410, the electric butterfly valve 430 can be automatically opened or closed by driving the centrifugal fan 420, the air exhaust mechanism 400 can rapidly exhaust the air in the test chamber 100 through the centrifugal fan 420, and of course, the air exhaust mechanism 400 can also be manually opened or closed.

Referring to fig. 7, an air duct assembly 440 may be disposed in the test chamber 100, and a heater 460, a refrigeration evaporator 470 and a centrifugal turbine 450 may be disposed in the air duct assembly 440, for example, the air duct assembly 440 is used for internal circulation of air in the test chamber 100. The bottom inlet of the air duct assembly 440 is located at the bottom end of the testing box 100, the top outlet of the air duct assembly 440 is located at the top end of the testing box 100, the centrifugal turbine 450, the heater 460 and the refrigeration evaporator 470 are respectively arranged in the air duct assembly 440, air in the testing box 100 can enter from the bottom inlet of the air duct assembly 440 and then ascend through the driving of the centrifugal turbine 450, and then the air is discharged from the top outlet of the air duct assembly 440, so that the circulation of air inside the testing box 100 is realized, wherein the air can be heated through the heater 460 or cooled through the refrigeration evaporator 470 for testing the high-temperature or low-temperature test of a sample, and the exhaust pipe 410 can be communicated with the top outlet of the air duct assembly 440.

Referring to fig. 1, the pressure relief device 500 may include a pressure relief opening, a pressure relief cover plate, a sealing ring and a rotating component, wherein the sealing ring is embedded in the pressure relief opening and is used for being hermetically connected with the pressure relief cover plate, and the pressure relief cover plate is driven by the rotating component to have a first state of being closed with the pressure relief opening and a second state of being opened with the pressure relief opening. The specific structure of the pressure relief device 500 is the prior art, and is not described herein again.

To sum up, the utility model provides an explosion-proof high low temperature test box of walk-in, spray mechanism, exhaust mechanism and pressure relief device including experimental box and setting up smog alarm mechanism, the fire control on experimental box, experimental box is including having the box body, chamber door subassembly and the leading-in of slope that fall to the ground the entry. The utility model discloses a ground entry and slope leading-in can make things convenient for large-scale sample to get into the box body, spray the spontaneous combustion spontaneous explosion that the mechanism can reduce the internal test sample of proof box through smog alarm mechanism and fire control, it is exhaust to step down the test box through exhaust mechanism and pressure relief device, can reduce or even cut off test sample spontaneous combustion spontaneous explosion, can protect the test box again and can not arouse the spontaneous explosion and destroyed, simple structure, high safety factor, therefore, the clothes hanger is strong in practicability.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A step-in explosion-proof high low temperature test chamber is characterized by comprising:

the test box comprises a box body with a landing inlet, a box door assembly and an inclined lead-in piece, wherein the box door assembly is rotatably connected with the box body and is used for closing the landing inlet, the inclined lead-in piece is positioned at the landing inlet of the box body, and the inclined lead-in piece is detachably connected with the box body;

the smoke alarm mechanism is arranged on the test box body and used for providing smoke alarm when a test sample is smoked by the test box body;

the fire-fighting spraying mechanism is arranged on the test box body and used for spraying water to cool the test sample in the test box body;

the exhaust mechanism is arranged on the test box body and used for exhausting gas in the test box body;

and the pressure relief device is arranged on the test box body and is used for carrying out pressure reduction and pressure control treatment on the test box body.

2. The walk-in explosion-proof high and low temperature test chamber of claim 1, wherein the chamber door assembly comprises:

the refrigerator body is provided with a first door body, a first door hinge and a first door lock are arranged on the first door body, one side of the first door body is rotationally connected with the refrigerator body through the first door hinge, and the other side of the first door body is in locking connection with the refrigerator body through the first door lock;

the refrigerator comprises a refrigerator body, wherein a first door hinge and a first door lock are arranged on the refrigerator body, one side of the refrigerator body is rotatably connected with the refrigerator body through the first door hinge, and the other side of the refrigerator body is connected with the refrigerator body through the first door lock in a locking mode.

3. The walk-in explosion-proof high and low temperature test chamber as claimed in claim 2, wherein the first door body and the second door body are provided with observation windows.

4. The walk-in explosion-proof high and low temperature test chamber as claimed in claim 1, wherein the chamber door assembly is provided with a door sensing switch in a connecting manner, the door sensing switch comprises a door sensing sensor and a sensing piece, the door sensing sensor is fixed on the chamber body, and the sensing piece is fixed on the chamber door assembly.

5. The walk-in explosion-proof high and low temperature test chamber of claim 1, wherein the test chamber body further comprises:

the mechanical chamber is arranged on one side, away from the box door assembly, of the box body and is used for installing a refrigerating unit and introducing air into the box body;

the power distribution cabinet is arranged on one side, away from the box door assembly, of the box body and is used for supplying power to the box body and the mechanical chamber.

6. The walk-in explosion-proof high and low temperature test chamber of claim 1, wherein the smoke alarm mechanism comprises:

a smoke alarm;

the smoke pipe is connected with the smoke alarm, and the smoke pipe is communicated with the test box body.

7. The walk-in explosion-proof high and low temperature test chamber of claim 1, wherein the fire sprinkler mechanism comprises:

the spray head is arranged at the top in the test box body;

one end of the fire fighting pipeline is communicated with the spray head in the test box body;

and the electric ball valve is communicated with one end of the fire fighting pipeline, which is far away from the spray head.

8. The walk-in explosion-proof high and low temperature test chamber as claimed in claim 7, wherein the fire fighting pipeline comprises a fire fighting irrigation pipeline and a fire fighting water spray pipeline, the electric ball valve comprises an irrigation ball valve and a water spray ball valve, the nozzle is respectively communicated with the fire fighting irrigation pipeline and the fire fighting water spray pipeline, one end of the fire fighting water irrigation pipeline far away from the nozzle is communicated with the irrigation ball valve, and one end of the fire fighting water spray pipeline far away from the nozzle is communicated with the water spray ball valve.

9. The walk-in explosion-proof high-low temperature test chamber according to claim 1, wherein the air discharge mechanism includes:

one end of the centrifugal fan is communicated with the test box body;

the exhaust pipe is positioned between the centrifugal fan and the test box body and is used for communicating the centrifugal fan with the test box body;

and the electric butterfly valve is positioned between the exhaust pipe and the centrifugal fan.

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