CN210222655U - Wide-temperature explosion-proof case - Google Patents
Wide-temperature explosion-proof case Download PDFInfo
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- CN210222655U CN210222655U CN201921503222.XU CN201921503222U CN210222655U CN 210222655 U CN210222655 U CN 210222655U CN 201921503222 U CN201921503222 U CN 201921503222U CN 210222655 U CN210222655 U CN 210222655U
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Abstract
The application discloses explosion-proof quick-witted case of wide temperature, including the box, still include: the micro-positive pressure explosion-proof system is communicated with the box body and is used for keeping the internal pressure of the box body to be greater than the external pressure; the in-box cooling system is communicated with the box body and is used for introducing cold air into the box body and reducing the internal temperature of the box body; and the in-box heating system is arranged in the box body and used for heating the inside of the box body and improving the internal temperature of the box body. The internal pressure of the box body is kept to be larger than the external pressure through the micro-positive pressure explosion-proof system, so that the micro-positive pressure is kept inside the box body, the external gas of the box body cannot enter the box body, and the explosion-proof purpose is achieved. In addition, the in-tank cooling system and the in-tank heating system jointly maintain the internal temperature of the tank within a normal operating range, and the system can be adapted to the situation that the external environment temperature variation range is large.
Description
Technical Field
The utility model relates to an explosion-proof quick-witted case technical field, in particular to explosion-proof quick-witted case of wide temperature.
Background
Electronic instruments and meters generally need protection of a chassis, and the current instrument chassis for petroleum drilling generally adopts an explosion-proof chassis which is heavy, difficult to install and difficult to radiate heat; electronic computer instruments with harsh requirements on the environmental temperature are not suitable for adopting an explosion-proof case; the flame-proof case is difficult to realize the normal work of computer electronic instruments in a wide temperature range of-40 ℃ to 70 ℃.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a wide temperature explosion-proof machine case to when satisfying explosion-proof, adapt to wide temperature environment.
In order to achieve the above purpose, the utility model provides the following technical scheme:
the utility model provides an explosion-proof quick-witted case of wide temperature, includes the box, still includes:
the micro-positive pressure explosion-proof system is communicated with the box body and is used for keeping the internal pressure of the box body to be greater than the external pressure;
the in-box cooling system is communicated with the box body and is used for introducing cold air into the box body and reducing the internal temperature of the box body;
and the in-box heating system is arranged in the box body and used for heating the inside of the box body and improving the internal temperature of the box body.
Preferably, in the above wide temperature explosion-proof cabinet, the micro-positive pressure explosion-proof system comprises:
a pressurized gas source;
the first gas pipe is respectively communicated with the pressure gas source and the interior of the box body;
the first valve is arranged on the first gas conveying pipe;
and the pressure control device is connected with the first valve and used for controlling the opening and closing of the first valve.
Preferably, in the wide-temperature explosion-proof machine box, the first gas pipe is provided with a gas filtering and drying device.
Preferably, in the wide-temperature explosion-proof machine box, a gas pressure reducing device is further arranged on the first gas pipe.
Preferably, in the above wide temperature explosion-proof enclosure, the in-enclosure cooling system includes:
a pressurized gas source;
the second gas pipe is respectively communicated with the pressure gas source and the interior of the box body;
the gas cooler is arranged on the second gas transmission pipe and used for cooling gas;
the second valve is arranged on the second gas conveying pipe;
and the temperature control device is connected with the second valve and is used for controlling the opening and closing of the second valve.
Preferably, in the above wide temperature explosion-proof equipment box, the inside temperature raising system comprises:
and the heating device is arranged in the box body, is connected with the temperature control device and is used for heating the interior of the box body.
Preferably, in the wide-temperature explosion-proof machine box, the heating device is an electric heating device.
Preferably, in the wide-temperature explosion-proof machine box, the second gas pipe is provided with a gas filtering and drying device.
Preferably, in the wide-temperature explosion-proof machine box, a gas pressure reducing device is further arranged on the second gas pipe.
Preferably, the wide-temperature explosion-proof equipment box further comprises a temperature and pressure display meter arranged on the box body and used for displaying the internal temperature and the internal pressure of the box body.
Compared with the prior art, the beneficial effects of the utility model are that:
the wide-temperature explosion-proof case provided by the utility model comprises a case body, a micro-positive pressure explosion-proof system, an in-case cooling system and an in-case heating system, wherein the micro-positive pressure explosion-proof system is communicated with the case body and is used for keeping the internal pressure of the case body to be greater than the external pressure; the in-box cooling system is communicated with the box body and used for introducing cold air into the box body and reducing the internal temperature of the box body; the in-box heating system is arranged in the box body and used for heating the interior of the box body and improving the internal temperature of the box body. The internal pressure of the box body is kept to be larger than the external pressure through the micro-positive pressure explosion-proof system, so that the micro-positive pressure is kept inside the box body, the external gas of the box body cannot enter the box body, and the explosion-proof purpose is achieved. In addition, the in-tank cooling system and the in-tank heating system jointly maintain the internal temperature of the tank within a normal operating range, and the system can be adapted to the situation that the external environment temperature variation range is large.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a wide-temperature explosion-proof case provided by an embodiment of the present invention.
Wherein, 1 is a gas filtering and drying device, 2 is a first gas pressure reducing device, 3 is a second gas pressure reducing device, 4 is a second gas pipe, 5 is a first gas pipe, 6 is a first valve, 7 is a second valve, 8 is a gas cooler, 9 is a temperature pressure gauge, 10 is a box body, 11 is a pressure control device, 12 is a heating device, and 13 is a temperature control device.
Detailed Description
The core of the utility model is to provide an explosion-proof quick-witted case of wide temperature, when can satisfy blast proof, adapt to wide temperature environment.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a wide temperature range explosion-proof enclosure, including an enclosure 10, a micro-positive pressure explosion-proof system, an in-enclosure cooling system, and an in-enclosure heating system, wherein the micro-positive pressure explosion-proof system is communicated with the enclosure 10 and is configured to maintain an internal pressure of the enclosure 10 greater than an external pressure; the in-box cooling system is communicated with the box body 10 and is used for introducing cold air into the box body 10 and reducing the internal temperature of the box body 10; the in-box heating system is disposed in the box body 10, and is configured to heat the inside of the box body 10 and increase the internal temperature of the box body 10.
This explosion-proof quick-witted case of wide temperature during operation lets in gas in to box 10 through the explosion-proof system of pressure-fired, keeps the internal pressure of box 10 to be greater than external pressure, makes the inside pressure-fired that keeps of box 10, and box 10 external gas can not get into in the box 10, reaches explosion-proof purpose, consequently, need not set up thick quick-witted case, and easy to assemble dispels the heat easily. In addition, when the internal temperature of the box 10 is higher than the normal working temperature range, the cooling air is introduced into the box 10 through the in-box cooling system to cool down, and meanwhile, the cooling air introduced into the box 10 by the in-box cooling system can also improve the internal pressure of the box 10 to maintain the positive pressure inside the box 10. When the internal temperature of the box body 10 is lower than the normal working temperature range, the internal temperature of the box body 10 is increased by heating the internal temperature of the box body 10 through the in-box heating system, the internal temperature of the box body 10 is maintained in the normal working range through the in-box cooling system and the in-box heating system, and the box body can be adapted to the situation that the external environment temperature changes in a large range.
In this embodiment, the micro-positive pressure explosion-proof system includes a pressure air source, a first air pipe 5, a first valve 6 and a pressure control device 11; wherein, the first gas pipe 5 is respectively communicated with a pressure gas source and the interior of the box body 10; the first valve 6 is arranged on the first gas pipe 5; the pressure control device 11 is connected to the first valve 6 and is used for controlling the opening and closing of the first valve 6.
This explosion-proof system of pressure-fired, pressure control device 11 is according to the switch of the first valve of pressure automatically regulated 6 that has set for, when box 10 internal pressure is less than the set pressure, control first valve 6 and open, the gas of pressure air supply gets into inside box 10 through first gas-supply pipe 5, give the inside pressurization of box 10, finally reach box 10 internal pressure and be greater than outside air pressure, realize the inside pressure-fired of box 10, make outside hazardous gas can not get into in the box 10, thereby reach the explosion-proof purpose of pressure-fired.
Further, in this embodiment, the first gas pipe 5 is provided with the gas filtering and drying device 1, and the gas introduced into the box body 10 is filtered and dried by the gas filtering and drying device 1, so that the influence on the normal operation of the electronic device inside the box body 10 caused by the introduction of dust and damp gas into the box body 10 is avoided.
In this embodiment, the gas pressure of the pressure gas source is 0.6 MPa-0.8 MPa, which is much higher than the atmospheric pressure outside the box 10, and therefore, a gas pressure reducing device is further disposed on the first gas pipe 5, specifically, the first gas pipe 5 is provided with a first gas pressure reducing device 3 and a second gas pressure reducing device 2, and the gas is conveyed into the box 10 after being reduced in pressure by the first gas pressure reducing device 3 and the second gas pressure reducing device 2, so as to maintain the internal micro-positive pressure state of the box 10.
In the present embodiment, the in-tank cooling system includes a pressure gas source, a second gas pipe 4, a gas cooler 8, a second valve 7, and a temperature control device 13; wherein, the second gas pipe 4 is respectively communicated with a pressure gas source and the interior of the box body 10; the gas cooler 8 is arranged on the second gas transmission pipe 4 and used for cooling gas; the second valve 7 is arranged on the second gas transmission pipe 4, and the second valve 7 is preferably an electromagnetic valve; the temperature control device 13 is connected to the second valve 7 and is used for controlling the opening and closing of the second valve 7.
When the in-tank cooling system operates, the temperature control device 13 detects the ambient temperature in the tank 10 and controls the opening and closing of the second valve 7. When the temperature is lower than the set temperature value, the temperature control device 13 closes the second valve 7, when the temperature is higher than the set temperature value, the temperature control device 13 opens the second valve 7, the second gas conveying pipe 4 is communicated, the gas of the pressure gas source enters the gas cooler 8, and the cooled gas is conveyed into the box body 10, so that the reduction of the ambient temperature in the box body 10 is realized. The in-box cooling system also has a combined action with the micro-positive pressure explosion-proof system to realize the micro-positive pressure explosion-proof function.
Further, in this embodiment, the gas filtering and drying device 1 is disposed on the second gas pipe 4, and the gas introduced into the box 10 is filtered and dried by the gas filtering and drying device 1, so as to prevent dust and moisture-containing gas from entering the box 10 and affecting the normal operation of the electronic device inside the box 10.
In this embodiment, the gas pressure of the pressure gas source is 0.6 MPa-0.8 MPa, which is much higher than the atmospheric pressure outside the box 10, so that a gas pressure reducing device is further disposed on the second gas pipe 4, specifically, the second gas pipe 4 is provided with the second gas pressure reducing device 2, and the gas is reduced in pressure and then conveyed into the box 10 through the second gas pressure reducing device 2, so as to maintain the internal micro-positive pressure state of the box 10.
As an optimization, in this embodiment, the first gas pipe 5 and the second gas pipe 4 may be completely connected in parallel to be communicated with the pressure gas source, the gas filtering and drying device 1 is independently disposed on the first gas pipe 5 and the second gas pipe 4, or the first gas pipe 5 and the second gas pipe 4 may have a section of common pipeline, which is communicated with the pressure gas source through the common pipeline, and the gas filtering and drying device 1 is disposed on the common pipeline, so as to reduce the cost. The second gas pressure reducing device 2 is arranged on a common pipeline, the first gas pressure reducing device 3 is arranged on the first gas conveying pipe 5, and gas in the micro-positive pressure explosion-proof system enters the box body 10 after being subjected to pressure reduction twice.
In the present embodiment, the in-box temperature raising system includes a heating device 12 and a temperature control device 13, and the heating device 12 is disposed in the box body 10, connected to the temperature control device 13, and used for heating the inside of the box body 10. The in-tank temperature raising system and the temperature control device 13 of the in-tank cooling system are common or separate, and the heating device 12 is preferably an electric heating device.
When the temperature control device works, when the ambient temperature is too low and is generally lower than-20 ℃, the heating device 12 is started to heat the environment in the box body 10, and when the ambient temperature in the box reaches a set temperature value, the temperature control device 13 stops the heating device 12, so that the ambient temperature in the box body 10 is maintained in a set temperature working interval.
In this embodiment, the wide temperature explosion-proof enclosure further includes a temperature and pressure display meter 9 disposed on the enclosure 10 for displaying the internal temperature and the internal pressure of the enclosure 10, so as to facilitate observation by a worker.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an explosion-proof quick-witted case of wide temperature, includes the box, its characterized in that still includes:
the micro-positive pressure explosion-proof system is communicated with the box body and is used for keeping the internal pressure of the box body to be greater than the external pressure;
the in-box cooling system is communicated with the box body and is used for introducing cold air into the box body and reducing the internal temperature of the box body;
and the in-box heating system is arranged in the box body and used for heating the inside of the box body and improving the internal temperature of the box body.
2. The wide temperature explosion proof enclosure of claim 1 wherein the micro positive pressure explosion proof system comprises:
a pressurized gas source;
the first gas pipe is respectively communicated with the pressure gas source and the interior of the box body;
the first valve is arranged on the first gas conveying pipe;
and the pressure control device is connected with the first valve and used for controlling the opening and closing of the first valve.
3. The wide-temperature explosion-proof case according to claim 2, wherein a gas filtering and drying device is arranged on the first gas pipe.
4. The wide-temperature explosion-proof case according to claim 3, wherein the first gas pipe is further provided with a gas pressure reduction device.
5. The wide temperature explosion proof enclosure of claim 1, wherein the in-enclosure cooling system comprises:
a pressurized gas source;
the second gas pipe is respectively communicated with the pressure gas source and the interior of the box body;
the gas cooler is arranged on the second gas transmission pipe and used for cooling gas;
the second valve is arranged on the second gas conveying pipe;
and the temperature control device is connected with the second valve and is used for controlling the opening and closing of the second valve.
6. The wide temperature explosion proof enclosure of claim 5 wherein the in-enclosure temperature rise system comprises:
and the heating device is arranged in the box body, is connected with the temperature control device and is used for heating the interior of the box body.
7. The wide temperature explosion proof enclosure of claim 6, wherein the heating device is an electrical heating device.
8. The wide-temperature explosion-proof case according to claim 5, wherein a gas filtering and drying device is arranged on the second gas pipe.
9. The wide-temperature explosion-proof case according to claim 7, wherein a gas pressure reduction device is further disposed on the second gas pipe.
10. The wide temperature explosion proof enclosure of any one of claims 1 to 9, further comprising a temperature pressure display gauge disposed at the enclosure for displaying the internal temperature and the internal pressure of the enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503222.XU CN210222655U (en) | 2019-09-10 | 2019-09-10 | Wide-temperature explosion-proof case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921503222.XU CN210222655U (en) | 2019-09-10 | 2019-09-10 | Wide-temperature explosion-proof case |
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| Publication Number | Publication Date |
|---|---|
| CN210222655U true CN210222655U (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921503222.XU Active CN210222655U (en) | 2019-09-10 | 2019-09-10 | Wide-temperature explosion-proof case |
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| CN (1) | CN210222655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111818762A (en) * | 2020-07-16 | 2020-10-23 | 四机赛瓦石油钻采设备有限公司 | Explosion-proof converter of intelligence malleation |
-
2019
- 2019-09-10 CN CN201921503222.XU patent/CN210222655U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111818762A (en) * | 2020-07-16 | 2020-10-23 | 四机赛瓦石油钻采设备有限公司 | Explosion-proof converter of intelligence malleation |
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