CN216218331U - Explosion-proof electric cabinet - Google Patents
Explosion-proof electric cabinet Download PDFInfo
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- CN216218331U CN216218331U CN202122172129.9U CN202122172129U CN216218331U CN 216218331 U CN216218331 U CN 216218331U CN 202122172129 U CN202122172129 U CN 202122172129U CN 216218331 U CN216218331 U CN 216218331U
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Abstract
The utility model relates to the technical field of explosion-proof electric appliances, and provides an explosion-proof electric cabinet which comprises an explosion-proof cabinet body, an explosion-proof cabinet door, a fin heat exchanger, an air conditioner and a controller. According to the explosion-proof electric cabinet provided by the utility model, the electric equipment is placed in the inner cavity of the explosion-proof cabinet body, heat can be generated in the operation process, the fin heat exchanger and the air conditioner which are arranged on the cabinet body radiate the inner cavity, the temperature of the inner cavity is prevented from being too high, the technical problem of poor radiation of the existing explosion-proof electric cabinet is solved, and the safety performance of the explosion-proof electric cabinet is improved.
Description
Technical Field
The utility model relates to the technical field of explosion-proof electric appliances, in particular to an explosion-proof electric cabinet.
Background
The explosion-proof electric cabinet is also called an explosion-proof control box, is one of main types of explosion-proof electric appliances, mainly comprises a lighting distribution box for controlling a lighting system and a power box for controlling a power system, and is internally and mainly provided with a circuit breaker, a contactor and a thermal relay. A change-over switch, a signal lamp, a button and the like.
According to the national standard GB3836-2010, 8 explosion-proof structural forms of explosion-proof electrical equipment in China are available: the explosion-proof type'd', the oil immersion type 'o', the safety-added type 'e', the sand filling type 'q', the intrinsic safety type 'i', the sparkless type 'n', the positive pressure type 'p' and the special type's'. Explosion-proof electrical cabinets for different purposes have different explosion-proof requirements, for example: the explosion-proof type'd' electric cabinet is adopted because the interior of the switch box, the signal junction box, the power junction box and the like can explode and the explosion is required not to be transmitted to the outside of the shell; the bus box and the outlet box require to prevent spark generation so as to avoid explosion, so that an increased safety type 'e' electric cabinet is adopted; while the safety spark type instrument is generally only arranged in an intrinsically safe type i electric cabinet. The explosion-proof d-type electric cabinet is generally applicable to explosion-proof places and has relatively low cost, but has poor heat dissipation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an explosion-proof electric cabinet, and aims to solve the technical problem of poor heat dissipation of the existing explosion-proof electric cabinet.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an explosion-proof type electric cabinet, includes the explosion-proof cabinet body, explosion-proof cabinet door, fin heat exchanger, air conditioner and controller, the explosion-proof cabinet body have the inner chamber and with the gate of inner chamber intercommunication, explosion-proof cabinet door can install with opening and shutting in gate department, fin heat exchanger install in the top of the explosion-proof cabinet body, the air conditioner install in the lateral part of the explosion-proof cabinet body, the controller install in the inner chamber, the controller respectively with fin heat exchanger air conditioner electric connection, in order to control fin heat exchanger with opening of air conditioner stops.
In one embodiment, the bottom of the explosion-proof cabinet body is provided with a wire hole for cable routing.
In one embodiment, the explosion-proof electric cabinet further comprises a temperature sensor installed in the inner cavity, the temperature sensor is electrically connected with the controller, the temperature sensor is used for detecting the temperature of the inner cavity and transmitting temperature information to the controller, and the controller controls the air conditioner to be started when the temperature of the inner cavity is greater than or equal to a first preset temperature.
In one embodiment, the controller controls the air conditioner to stop when the temperature of the inner cavity is less than or equal to a second preset temperature.
In one embodiment, the explosion-proof electric cabinet further comprises a power detector installed in the inner cavity, the power detector is electrically connected with the controller, the power detector is used for detecting real-time power of the inner cavity and transmitting power information to the controller, and the controller controls the air conditioner to be started when the real-time power of the inner cavity is larger than or equal to first preset power.
In one embodiment, the air conditioner is an explosion-proof air conditioner, the explosion-proof cabinet body is provided with a heat exchange hole at the installation position of the explosion-proof cabinet body and the explosion-proof air conditioner, and the explosion-proof air conditioner dissipates heat of the inner cavity through the heat exchange hole.
In one embodiment, the explosion-proof air conditioner is connected with a drain collecting pipe for draining condensed water.
In one embodiment, the finned heat exchanger comprises an inner circulation cavity, an outer circulation cavity and a separation plate for separating the inner circulation cavity from the outer circulation cavity, wherein the inner circulation cavity is installed in the inner cavity, and the outer circulation cavity is installed outside the inner cavity.
In one embodiment, the outer circulation cavity has a refrigerant inlet and a refrigerant outlet.
In one embodiment, the number of the doorways is two, the two doorways are arranged up and down, and correspondingly, the number of the explosion-proof cabinet doors is two.
The flame-proof electric cabinet provided by the utility model has the beneficial effects that: the electric equipment is placed in the inner cavity of the explosion-proof cabinet body, heat can be generated in the operation process, the fin heat exchanger and the air conditioner which are installed in the cabinet body radiate the inner cavity, the temperature of the inner cavity is prevented from being too high, the technical problem that the existing explosion-proof electric cabinet is poor in radiating is solved, and therefore the safety performance of the explosion-proof electric cabinet is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in 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 based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an explosion-proof electric cabinet provided in an embodiment of the present invention;
FIG. 2 is a schematic view taken along line A in FIG. 1;
fig. 3 is an internal schematic view of the explosion-proof electric cabinet in fig. 1.
Wherein, in the figures, the respective reference numerals:
100. an explosion-proof cabinet body; 101. an inner cavity; 102. a doorway; 103. a wire hole;
200. an explosion-proof cabinet door;
300. a finned heat exchanger; 310. an internal circulation cavity; 320. an outer circulation cavity; 321. a refrigerant inlet; 322. a refrigerant outlet; 330. a separator plate;
400. an air conditioner; 410. a drain collecting pipe;
500. a controller;
610. an electricity-consuming device; 620. a temperature sensor; 630. a power detector; 640. an explosion-proof glan head; 650. a movable glass window.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, a flameproof electric cabinet according to an embodiment of the present invention will now be described. This explosion-proof electric cabinet includes explosion-proof cabinet body 100, explosion-proof cabinet door 200, finned heat exchanger 300, air conditioner 400 and controller 500, explosion-proof cabinet body 100 has inner chamber 101 and the gate 102 with inner chamber 101 intercommunication, explosion-proof cabinet door 200 can install in gate 102 department with opening and shutting, finned heat exchanger 300 installs in the top of explosion-proof cabinet body 100, air conditioner 400 installs in the lateral part of explosion-proof cabinet body 100, controller 500 installs in inner chamber 101, controller 500 respectively with finned heat exchanger 300, air conditioner 400 electric connection, open and stop with controlling finned heat exchanger 300 and air conditioner 400.
Wherein, consumer 610 places in the inner chamber 101 of the explosion-proof cabinet body 100, can produce the heat at the in-process of operation, installs in finned heat exchanger 300 and the air conditioner 400 of the cabinet body and dispels the heat to inner chamber 101, avoids the high temperature of inner chamber 101, has solved the poor technical problem of heat dissipation that current explosion-proof electric cabinet exists to the security performance of explosion-proof electric cabinet has been improved.
It should be noted that, it is prior art that the controller 500 can be electrically connected to the device, and it is prior art that the controller 500 can control the start and stop of the device, so that, with the prior art, a worker can implement that the controller 500 is electrically connected to the fin heat exchanger 300 and the air conditioner 400 respectively, and the controller 500 can control the start and stop of the fin heat exchanger 300 and the air conditioner 400. The improvement of the present embodiment is the connection relationship between the controller 500 and the fin heat exchanger 300 and the air conditioner 400.
The powered device 610 may be one or more of a circuit breaker, a contactor, and a thermal relay, among others.
The shell strength of the cabinet body is large enough, the gap between the shell junction surfaces is deep enough to reach the national explosion-proof standard or the industrial explosion-proof standard, the explosion pressure generated by the explosion of internal equipment can be borne, and the explosion mixture around the shell can be prevented from being ignited after the internal explosion flame and high-temperature gas escape out of the explosion-proof gap.
Optionally, the cabinet body integrated into one piece, its intensity is high, explosion-proof performance is good.
For example, the cabinet body is formed by casting in an integrated mode.
In one embodiment, referring to fig. 1, a wire hole 103 is formed in the bottom of the explosion-proof cabinet body 100, and the wire hole 103 is used for cable routing, so that the electric equipment 610 in the inner cavity 101 can be conveniently communicated with the outside.
Optionally, the wire hole 103 is mounted with an explosion-proof glan head 640 for leading out a wire to realize wire connection of an internal device and an external device.
Optionally, the number of the wire holes 103 is multiple, and the multiple wire holes 103 are arranged at intervals at the bottom of the cabinet body.
In one embodiment, please refer to fig. 3, the explosion-proof electric cabinet further includes a temperature sensor 620 installed in the inner cavity 101, the temperature sensor 620 is electrically connected to the controller 500, the temperature sensor 620 is configured to detect the temperature of the inner cavity 101 and transmit temperature information to the controller 500, and the controller 500 controls the air conditioner 400 to start when the temperature of the inner cavity 101 is greater than or equal to a first preset temperature.
In this embodiment, when the temperature of the inner cavity 101 is greater than or equal to the first preset temperature, the controller 500 controls the air conditioner 400 to start, so as to achieve rapid cooling.
Optionally, the first preset temperature is in a range of 55 ° to 80 °.
Specifically, when the temperature of the inner cavity 101 is less than or equal to the second preset temperature, the controller 500 controls the air conditioner 400 to stop, so that the energy-saving effect is achieved, and the operation cost is reduced.
Optionally, the first preset temperature is in a range of 35 ° to 50 °.
In one embodiment, the explosion-proof electric cabinet further comprises a humidity sensor installed in the inner cavity 101, the humidity sensor is electrically connected with the controller 500, the humidity sensor is used for detecting the humidity of the inner cavity 101 and transmitting humidity information to the controller 500, and the controller 500 controls the air conditioner 400 to start when the humidity of the inner cavity 101 is greater than or equal to a preset humidity.
In this embodiment, when the humidity of the inner cavity 101 is greater than or equal to the preset humidity, the controller 500 controls the air conditioner 400 to start, so as to dehumidify and ensure the operation safety of the electrical equipment 610.
In one embodiment, please refer to fig. 3, the explosion-proof electric cabinet further includes a power detector 630 installed in the inner cavity 101, the power detector 630 is electrically connected to the controller 500, the power detector 630 is used for detecting the real-time power of the inner cavity 101 and transmitting power information to the controller 500, and the controller 500 controls the air conditioner 400 to start when the real-time power of the inner cavity 101 is greater than or equal to a first preset power. Because the high power consumes large energy and generates large heat, the controller 500 starts the air conditioner 400 to dissipate heat in time and avoid too fast temperature rise.
Optionally, the first preset power ranges from 2000W to 5000W.
Specifically, the controller 500 controls the air conditioner 400 to stop when the real-time power of the inner cavity 101 is less than or equal to a second preset power.
Optionally, the value range of the second preset power is 1000W to 1800W.
It should be noted that the power detector 630 is prior art. For example, the power detector 630 is used to detect the power of the bus in the cavity 101. In the present embodiment, the power detector 630 is operated by both the current detector and the voltage level detector. From the detected current magnitude and voltage level, the controller 500 obtains real-time power.
Alternatively, the power detector 630 may be provided separately from the controller 500, or may be integrated with the controller 500.
It should be noted that the air conditioner 400 realizes heat absorption and refrigeration through compression refrigeration, and transfers heat generated by the electric equipment 610 in the cabinet to the outside of the cabinet in a closed environment of the cabinet. Dirty fluid such as high temperature, dust outside the cabinet body can not enter the inside of the cabinet body. The inside of the cabinet body can be always maintained in an ideal temperature environment at normal temperature, and the stability of the electric equipment 610 is effectively guaranteed.
In one embodiment, referring to fig. 1, the air conditioner 400 is an explosion-proof air conditioner, the explosion-proof cabinet 100 is provided with a heat exchanging hole at a mounting position of the explosion-proof cabinet 100 and the explosion-proof air conditioner, and the explosion-proof air conditioner radiates heat to the inner cavity 101 through the heat exchanging hole.
The shell strength of the explosion-proof air conditioner is large enough, the gap between the shell joint surfaces is deep enough to reach the national explosion-proof standard or the industrial explosion-proof standard, the explosion-proof air conditioner can bear the explosion pressure generated by the explosion of internal equipment, and the internal explosion flame and high-temperature gas can be prevented from escaping.
Specifically, the explosion-proof air conditioner is connected with a drain collecting pipe 410 for discharging condensed water, so that the condensed water is collected in order, and the random discharge is avoided.
In one embodiment, referring to fig. 3, the finned heat exchanger 300 includes an inner circulation chamber 310, an outer circulation chamber 320, and a separating plate 330 for separating the inner circulation chamber 310 and the outer circulation chamber 320, wherein the inner circulation chamber 310 is installed in the inner cavity 101, and the outer circulation chamber 320 is installed outside the inner cavity 101.
The refrigerant exchanges heat with the internal circulation cavity 310 installed in the inner cavity 101 through the external circulation cavity 320 to reduce the air temperature inside the cabinet, so as to achieve the purpose of reducing the ambient temperature of the inner cavity 101.
Specifically, referring to fig. 1 and 2, the outer circulation cavity 320 has a refrigerant inlet 321 and a refrigerant outlet 322.
The refrigerant can be cold air or cooling water.
Specifically, the finned heat exchanger 300 is a stainless steel finned heat exchanger.
In one embodiment, referring to fig. 1, the number of the doorways 102 is two, two doorways 102 are disposed above and below, and correspondingly, the number of the anti-explosion cabinet doors 200 is two.
Optionally, the explosion-proof cabinet door 200 located at the upper portion is provided with a movable glass window 650. The staff can see the consumer 610 operation in the cavity 101 through the movable glass window 650.
When the operation range is small, the working personnel can open the glass window of the movable chamber without opening the corresponding explosion-proof cabinet door 200 to carry out maintenance operation.
Optionally, the explosion-proof cabinet door 200 located at the upper portion is provided with a start button and an emergency stop button. The start button and the emergency stop button are respectively electrically connected with the controller 500, and the start button is used for controlling the electric equipment 610 in the inner cavity 101 to start. The emergency stop button is used for controlling the electric equipment 610 in the inner cavity 101 to stop running.
When the temperature is abnormal, the staff can press the emergency stop button, the electric equipment 610 is closed, and after the temperature returns to normal, the explosion-proof cabinet door 200 is opened again for maintenance.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An explosion-proof electric cabinet which is characterized in that: including the explosion-proof cabinet body, explosion-proof cabinet door, fin heat exchanger, air conditioner and controller, the explosion-proof cabinet body have the inner chamber and with the gate of inner chamber intercommunication, the explosion-proof cabinet door can install with opening and shutting in gate department, fin heat exchanger install in the top of the explosion-proof cabinet body, the air conditioner install in the lateral part of the explosion-proof cabinet body, the controller install in the inner chamber, the controller respectively with fin heat exchanger air conditioner electric connection, in order to control fin heat exchanger with opening of air conditioner stops.
2. The flameproof electric cabinet of claim 1, characterized in that: the bottom of the anti-explosion cabinet body is provided with a wire hole used for cable routing.
3. The flameproof electric cabinet of claim 1, characterized in that: the explosion-proof electric cabinet is characterized by further comprising a temperature sensor arranged in the inner cavity, the temperature sensor is electrically connected with the controller, the temperature sensor is used for detecting the temperature of the inner cavity and transmitting temperature information to the controller, and the controller controls the air conditioner to be started when the temperature of the inner cavity is greater than or equal to a first preset temperature.
4. The flameproof electric cabinet of claim 3, characterized in that: and when the temperature of the inner cavity is less than or equal to a second preset temperature, the controller controls the air conditioner to stop.
5. The flameproof electric cabinet of claim 1, characterized in that: the explosion-proof electric cabinet also comprises a power detector arranged in the inner cavity, the power detector is electrically connected with the controller, the power detector is used for detecting the real-time power of the inner cavity and transmitting power information to the controller, and the controller controls the air conditioner to start when the real-time power of the inner cavity is greater than or equal to first preset power.
6. The flameproof electric cabinet of claim 1, characterized in that: the air conditioner is an explosion-proof air conditioner, the explosion-proof cabinet body is arranged at the installation position of the explosion-proof cabinet body and the explosion-proof air conditioner, and the explosion-proof air conditioner dissipates heat of the inner cavity through the heat exchange hole.
7. The flameproof electric cabinet of claim 6, characterized in that: the explosion-proof air conditioner is connected with a drainage collecting pipe used for discharging condensed water.
8. The flameproof electric cabinet of claim 1, characterized in that: the finned heat exchanger comprises an inner circulation cavity, an outer circulation cavity and a partition plate for isolating the inner circulation cavity and the outer circulation cavity, wherein the inner circulation cavity is arranged in the inner cavity, and the outer circulation cavity is arranged outside the inner cavity.
9. The flameproof electric cabinet of claim 8, characterized in that: the external circulation cavity is provided with a refrigerant inlet and a refrigerant outlet.
10. The flameproof electric cabinet according to any of claims 1 to 9, characterized in that: the number of gates is two, two the gate sets up from top to bottom, correspondingly, the number of explosion-proof cabinet door is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122172129.9U CN216218331U (en) | 2021-09-08 | 2021-09-08 | Explosion-proof electric cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122172129.9U CN216218331U (en) | 2021-09-08 | 2021-09-08 | Explosion-proof electric cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216218331U true CN216218331U (en) | 2022-04-05 |
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ID=80920288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122172129.9U Active CN216218331U (en) | 2021-09-08 | 2021-09-08 | Explosion-proof electric cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216218331U (en) |
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2021
- 2021-09-08 CN CN202122172129.9U patent/CN216218331U/en active Active
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