CN217288451U - Explosion-proof safe type air supply test box - Google Patents
Explosion-proof safe type air supply test box Download PDFInfo
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- CN217288451U CN217288451U CN202123400423.7U CN202123400423U CN217288451U CN 217288451 U CN217288451 U CN 217288451U CN 202123400423 U CN202123400423 U CN 202123400423U CN 217288451 U CN217288451 U CN 217288451U
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Abstract
The utility model relates to an explosion-proof safety type air supply proof box, this kind of explosion-proof safety type air supply proof box comprises two parts, one part is put in explosion-proof district, one part is put in non-explosion-proof district, accomplish to have the effect to keep apart like this, and this kind of explosion-proof safety type air supply proof box requires explosion-proof part only a few, all be conventional part, the purchase degree of difficulty and the decline of a large amount of costs, the simple structure in explosion-proof district maintains with low costs, the host computer structure only needs ann conventional design, moreover, the steam generator is simple in structure, low cost, and occupation space is little. The heater is arranged in a heat conduction oil system, and heat conduction oil is controlled in a complete closed loop, pure heat is exchanged, and local high temperature is avoided. The test box is connected with the air supply host machine through the air pipe, so that the test box is convenient to move and install. The inside of the air supply main machine is filled with nitrogen for safety protection, and combustible gas leakage protection is detected, so that the safety and the reliability are realized.
Description
Technical Field
The utility model relates to an explosion-proof safety type air supply test box has combustible gas, liquid and combustible gas liquid leakage risk in the mainly applicable operational environment, has the occasion of combustible gas and liquid leakage's risk in being tested the piece, probably causes the high dangerous operational environment of conflagration and explosion.
Background
In the aerospace industry and the automobile industry, the on-load test of components such as an engine can simulate real working conditions, combustible media such as aviation fuel oil, gasoline and the like can be generally introduced into a test piece, and an oil supply station is arranged in a working environment, so that the test piece belongs to a combustible and explosive environment.
The conventional practice test box needs to be made into an integral explosion-proof structure, the test box is complex in structure, multiple parts are needed, the explosion-proof parts are difficult to select, the cost is very high, multiple parts can not provide products meeting explosion-proof requirements, positive pressure explosion-proof modes and other modes are needed to be designed when the electrical parts and the parts can not meet the explosion-proof requirements, the manufacturing difficulty and the sealing requirement on the box body are high, the box body material needs to be thicker and higher in strength, the heat dissipation difficulty of a unit is caused, the part can not be cooled sufficiently, the aging of the parts is accelerated, the service life and the performance of affected equipment are prolonged, the overhaul and the maintenance are difficult, and the workload is increased. The device thus manufactured would be very bulky, take up a lot of space and would be very clumsy.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to lie in overcoming the above-mentioned, provides an explosion-proof safe type air supply proof box.
The purpose of the utility model is realized like this:
an explosion-proof safety air supply test box comprises a test box and an air supply host machine, wherein the test box is placed in an explosion-proof area, the air supply host machine is placed outside the explosion-proof area, the test box and the air supply host machine are communicated through an air inlet pipe and an air return pipe, a test box door is arranged outside the test box, the air inlet pipe is communicated with an air channel in the test box, an evaporator is arranged in the air supply host machine, an oil inlet and an oil outlet of the evaporator are communicated with an external circulating pipeline, a refrigeration heat exchanger, a heater and a heat conducting oil tank are arranged on the circulating pipeline, the heat conducting oil flows out of the oil outlet of the evaporator, passes through the refrigeration heat exchanger, then passes through the heater, finally passes through the heat conducting oil tank, the heated heat conducting oil is sent to the evaporator through the oil tank, an air supply fan blade is arranged in the air supply host machine, the air supply blade sends hot air into the air inlet pipe, and then sends the heat of the evaporator into the test box through the air inlet pipe, then returns to the interior of the air supply main machine through the return air pipe for heat exchange.
Preferably, the air supply main machine is provided with a nitrogen port, an oxygen concentration sensor and a combustible gas sensor, and the air supply main machine is used for filling nitrogen into the box through an external pipeline.
Preferably, a part of pipelines of the air inlet pipe and the air return pipe are positioned inside the explosion-proof area, and a part of pipelines of the air inlet pipe and the air return pipe are positioned outside the explosion-proof area.
Preferably, an explosion-proof temperature sensor is arranged at an air outlet of the test box, and an explosion-proof motor is further arranged at the top of the test box.
Preferably, the top of the air duct in the test box is provided with fan blades, and an air duct partition plate is further arranged in the air duct.
Preferably, the air supply fan blade is connected with an output shaft of a fan at the top of the air supply main machine.
The utility model discloses explosion-proof safe type air supply proof box's beneficial effect is:
the explosion-proof safe air supply test box consists of two parts, wherein one part is placed in an explosion-proof area, and the other part is placed in a non-explosion-proof area, so that effective isolation is realized, and the explosion-proof safe air supply test box also has the following advantages:
1. the explosion-proof safety air supply test box has the advantages that only a few explosion-proof components are required, the conventional components are adopted, the purchase difficulty and the cost are greatly reduced, the structure of an explosion-proof area is simple, the maintenance cost is low, the host structure only needs the conventional design, the structure is simple, the cost is low, and the occupied space is small.
2. The heater is arranged in a heat conduction oil system, and heat conduction oil is controlled in a complete closed loop, pure heat is exchanged, and local high temperature is avoided.
3. The test box is connected with the air supply host machine through the air pipe, so that the test box is convenient to move and install.
4. The inside of the air supply main machine is filled with nitrogen for safety protection, and combustible gas leakage protection is detected, so that the safety and the reliability are realized.
Drawings
Fig. 1 is the structural schematic diagram of the explosion-proof safety air supply test box of the utility model.
Wherein: the device comprises an explosion-proof area 1, a test box door 2, a test box 3, an explosion-proof temperature sensor 4, an explosion-proof motor 5, fan blades 6, an air channel partition plate 7, an air inlet pipe 8, a return air pipe 9, an air supply host machine 10, air supply fan blades 11, a fan 12, an evaporator 13, a nitrogen port 14, an oxygen concentration sensor 15, a combustible gas sensor 16, a heat-conducting oil tank 17, a heater 18, a refrigeration heat exchanger 19, a refrigeration system 20 and an oil pump 21.
Detailed Description
Referring to fig. 1, the utility model relates to an explosion-proof safe type air supply proof box, it includes proof box 3 and air supply host computer 10, wherein proof box 3 places inside explosion-proof district 1, and air supply host computer 10 places outside explosion-proof district 1.
The test box 3 is communicated with the air supply host machine 10 through the air inlet pipe 8 and the air return pipe 9, and a part of pipelines of the air inlet pipe 8 and the air return pipe 9 are positioned inside the explosion-proof area 1, and a part of pipelines of the air inlet pipe 8 and the air return pipe 9 are positioned outside the explosion-proof area 1.
The utility model discloses an explosion-proof monitoring device, including proof box 3, air-supply line 8, air-supply line 3, air-supply line 6, air duct baffle 7, test box 3's outside is equipped with test box door 2, and the air outlet department of test box 3 is equipped with explosion-proof temperature sensor 4, and the effect that explosion-proof monitoring was played is still equipped with explosion-proof motor 5 at test box 3 top, and the air duct in air-supply line 8 and the test box 3 is linked together, and the air duct top is provided with fan blade 6, still is equipped with air duct baffle 7 in the air duct.
The air supply host 10 is internally provided with an evaporator 13 for generating heat, an oil inlet and an oil outlet of the evaporator 13 are communicated with an external circulating pipeline, heat conduction oil is sent into an oil inlet of the evaporator 13 through an oil pump 21 and is sent out from an oil outlet of the evaporator 13 through the circulating pipeline, a refrigeration heat exchanger 19, a heater 18 and a heat conduction oil tank 17 are further arranged on the circulating pipeline, the heat conduction oil is sent out from the oil outlet of the evaporator 13, is subjected to first heating through a cold medium inlet of the refrigeration heat exchanger 19 and then is sent into the heater 18 for heating, and finally is sent into the heat conduction oil tank 17, and the heated heat conduction oil is sent into the evaporator 13 through the heat conduction oil tank 17.
The air supply main machine 10 is internally provided with air supply blades 11, the air supply blades 11 are connected with an output shaft of a fan 12 at the top of the air supply main machine 10, and the air supply blades 11 send hot air into an air inlet pipe 8, so that heat of an evaporator 13 is sent into the test box 3 through the air inlet pipe 8 and then returned to the inside of the air supply main machine 10 through a return air pipe 9 for heat exchange.
The air supply main machine 10 is provided with a nitrogen port 14, an oxygen concentration sensor 15 and a combustible gas sensor 16, the air supply main machine 10 fills nitrogen into the box through an external pipeline, the oxygen concentration is guaranteed to be low to a safe value, and the machine is timely alarmed and stopped when the concentration of the combustible gas reaches a dangerous value.
Claims (6)
1. Explosion-proof safe type air supply proof box, characterized by: the test box is placed inside an explosion-proof area, the air supply host is placed outside the explosion-proof area, the test box and the air supply host are communicated through an air inlet pipe and an air return pipe, a test box door is arranged outside the test box, the air inlet pipe is communicated with an air channel in the test box, an evaporator is arranged inside the air supply host, an oil inlet and an oil outlet of the evaporator are communicated with an external circulating pipeline, a refrigeration heat exchanger, a heater and a heat-conducting oil tank are arranged on the circulating pipeline, heat-conducting oil passes through the refrigeration heat exchanger after coming out of the oil outlet of the evaporator and then passes through the heater, finally the heat-conducting oil tank is introduced, the heated heat-conducting oil is sent to the evaporator through the heat-conducting oil tank, air supply fan blades are arranged inside the air supply host, the air supply fan blades send hot air into the air inlet pipe, and then the heat of the evaporator is sent to the test box through the air inlet pipe, then returns to the interior of the air supply main machine through the return air pipe for heat exchange.
2. The explosion-proof safety air supply test box according to claim 1, which is characterized in that: the air supply main machine is provided with a nitrogen port, an oxygen concentration sensor and a combustible gas sensor, and the air supply main machine is used for filling nitrogen into the box through an external pipeline.
3. The explosion-proof safety air supply test box according to claim 1, which is characterized in that: and part of pipelines of the air inlet pipe and the air return pipe are positioned in the explosion-proof area, and part of pipelines of the air inlet pipe and the air return pipe are positioned outside the explosion-proof area.
4. The explosion-proof safety air supply test box according to claim 1, which is characterized in that: an explosion-proof temperature sensor is arranged at the air outlet of the test box, and an explosion-proof motor is also arranged at the top of the test box.
5. The explosion-proof safety air supply test box according to claim 1, which is characterized in that: the top of the air duct in the test box is provided with fan blades, and an air duct partition plate is arranged in the air duct.
6. The explosion-proof safety air supply test box according to claim 1, which is characterized in that: the air supply fan blade is connected with an output shaft of a fan at the top of the air supply main machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400423.7U CN217288451U (en) | 2021-12-31 | 2021-12-31 | Explosion-proof safe type air supply test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123400423.7U CN217288451U (en) | 2021-12-31 | 2021-12-31 | Explosion-proof safe type air supply test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217288451U true CN217288451U (en) | 2022-08-26 |
Family
ID=82921976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123400423.7U Active CN217288451U (en) | 2021-12-31 | 2021-12-31 | Explosion-proof safe type air supply test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217288451U (en) |
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2021
- 2021-12-31 CN CN202123400423.7U patent/CN217288451U/en active Active
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