CN214478919U - Pressure relief device for positive pressure type explosion-proof power distribution cabinet - Google Patents
Pressure relief device for positive pressure type explosion-proof power distribution cabinet Download PDFInfo
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- CN214478919U CN214478919U CN202120545492.8U CN202120545492U CN214478919U CN 214478919 U CN214478919 U CN 214478919U CN 202120545492 U CN202120545492 U CN 202120545492U CN 214478919 U CN214478919 U CN 214478919U
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Abstract
本实用新型属于防爆配电柜设备技术领域，尤其为一种正压型防爆配电柜用泄压装置，包括柜体，所述柜体的内部固定连接有隔板，所述隔板的上方为泄压腔，所述隔板的上端面开设有通口，所述通口的内壁卡接有泄压通道，气缸向后收缩从而带动闭合板向右移动，从而将泄压口打开进行泄压，从而可以根据设定值自动打开泄压口进行泄压，气体通过左侧的排气口排出，使柜体得到及时泄压，控制方便，泄压方式多样，安全性高，解决了现有的正压型防爆配电柜在柜体内压力过高的时候不能很好的泄压，对泄压时间以及泄压口大小不易控制，可控性不足，导致配电柜不能及时泄压，将会造成防爆配电柜损坏，安全性不高的问题。
The utility model belongs to the technical field of explosion-proof power distribution cabinet equipment, in particular to a pressure relief device for a positive pressure explosion-proof power distribution cabinet. For the pressure relief chamber, the upper end face of the partition plate is provided with a through port, the inner wall of the through port is clamped with a pressure relief channel, and the cylinder is retracted backward to drive the closing plate to move to the right, thereby opening the pressure relief port for discharging. Therefore, the pressure relief port can be automatically opened for pressure relief according to the set value, and the gas is discharged through the exhaust port on the left side, so that the cabinet can be depressurized in time, the control is convenient, the pressure relief methods are various, and the safety is high, which solves the Some positive-pressure explosion-proof power distribution cabinets cannot relieve pressure well when the pressure inside the cabinet is too high. It will cause damage to the explosion-proof power distribution cabinet and low safety.
Description
Technical Field
The utility model relates to an explosion-proof switch board equipment technical field, concretely relates to pressure relief device for explosion-proof switch board of positive pressure type.
Background
The explosion-proof principle of the positive pressure type explosion-proof power distribution cabinet mainly adopts an explosion-proof measure of a medium isolation ignition source to install all electrical equipment elements of a user in a shell filled with a pressure clean medium, so that flammable and combustible mixed gas in the external environment cannot contact electric sparks or dangerous temperatures generated when the electrical equipment elements normally work, and the aim of explosion prevention of the electrical equipment is fulfilled.
The current explosion-proof switch board of positive pressure type can not be fine pressure release when cabinet internal pressure is too high, utilizes pressure self to break open the pressure release mouth some and carries out the pressure release, and this kind of mode is not easily controlled pressure release time and pressure release mouth size, and the controllability is not enough, leads to the switch board can not in time the pressure release, will cause explosion-proof switch board to damage, and the security is not high.
SUMMERY OF THE UTILITY MODEL
For solving the problem that provides among the above-mentioned background art, the utility model provides a pressure relief device for explosion-proof switch board of positive pressure type has and can open the pressure release mouth according to switch board internal pressure is automatic to carry out the pressure release, and the pressure release is timely, and the control of being convenient for, and has multiple pressure release mode so that correspond different emergency, and the security is high, effectively protects the characteristics of switch board.
In order to achieve the above object, the utility model provides a following technical scheme: a positive pressure type pressure relief device for an explosion-proof power distribution cabinet comprises a cabinet body, wherein a partition plate is fixedly connected inside the cabinet body, a pressure relief cavity is arranged above the partition plate, an opening is formed in the upper end face of the partition plate, a pressure relief channel is clamped on the inner wall of the opening, mounting plates are fixedly connected to the left side and the right side of the outer wall of the pressure relief channel, the lower end faces of the two mounting plates are abutted to the upper end face of the partition plate, first bolts are connected to the upper end faces of the two mounting plates in a threaded manner, a pressure relief opening is fixedly connected to the upper end face of the pressure relief channel, a movable groove is formed in the pressure relief opening, a closing plate is connected to the movable groove in a sliding manner, the right side of the closing plate penetrates through the right side wall of the pressure relief opening and extends to the right side of the pressure relief opening, fixing plates are arranged on the upper end face and the lower end face of the right side of the closing plate, and are detachably connected with the fixing plates through second bolts, two connecting rods of the equal fixedly connected with in right side of fixed plate, four the right side fixedly connected with connecting plate of connecting rod, the right side of pressure release mouth is provided with the cylinder, the output of cylinder and the left side wall fixed connection of connecting plate, the inner wall left side of the cabinet body is provided with baroceptor, the outer wall right side of the cabinet body is provided with control panel, the gas vent has been seted up to the left side wall in pressure release chamber.
For convenient manual pressure release, provide multiple pressure release mode, conduct the utility model relates to a pressure relief device is preferred for explosion-proof switch board of positive pressure type, the outer wall right side of the cabinet body is provided with manual pressure release pipe, manual pressure release pipe communicates with the inside of the cabinet body, the outer wall of manual pressure release pipe is provided with the pressure release valve.
In order to prevent the spark departure cabinet body, conduct the utility model relates to a pressure relief device is preferred for explosion-proof switch board of positive pressure type, the inside of gas vent is provided with the fire blocking net.
In order to guarantee when the pressure release mouth breaks down that the cabinet body can carry out the pressure release, as the utility model relates to a positive pressure type is pressure relief device for explosion-proof switch board is preferred, emergent pressure release mouth has been seted up to the up end of baffle, emergent pressure release mouth is located the left side of pressure release mouth, the up end butt of emergent pressure release mouth has the shell fragment, the left side of shell fragment passes through the bolt with the up end of baffle and can dismantle the connection.
For the fixed stay cylinder, as the utility model relates to a pressure relief device is preferred for explosion-proof switch board of positive pressure type, the lower terminal surface of cylinder can be dismantled and be connected with two branches.
For the convenience of control operation equipment, as the utility model relates to a pressure relief device is preferred for explosion-proof switch board of positive pressure type, cylinder and baroceptor all with control panel electric connection.
In order to make first bolted connection more firm, conduct the utility model relates to a pressure relief device is preferred for explosion-proof switch board of positive pressure type, two all be provided with the gasket between the up end of first bolt and baffle.
Compared with the prior art, the beneficial effects of the utility model are that:
1. set for pressure sensor's numerical value through control panel before the use, after the too big numerical value that just reachs the settlement of cabinet body internal pressure, pressure sensor detects the signal and with signal transmission to the inside controller of control panel, the controller received signal and control cylinder start, thereby the cylinder is to the shrink backward and drive the closure plate and move right, thereby open the pressure release mouth and carry out the pressure release, thereby can open the pressure release mouth according to the setting value is automatic and carry out the pressure release, gaseous through left gas vent discharge, make the cabinet body obtain timely pressure release, protect the cabinet body and the internal portion of cabinet, high safety, control is convenient, the closure plate is through upper and lower two fixed plates and second bolt fastening, connect more firmly.
2. If emergency happens, when pressure release mouth and cylinder etc. broke down, then can manually open the pressure release valve and carry out the pressure release through manual pressure release pipe, effectively improve the security, the pressure release is convenient, when pressure release mouth and cylinder etc. broke down and no staff is on the spot, when cabinet internal portion atmospheric pressure is normal, the shell fragment can cover the pressure release passageway and prevent gas leakage, can push open the shell fragment when the internal pressure of cabinet is too big, then emergent pressure release mouth discharge can be followed to atmospheric pressure, the pressure release mode is various, the security is high.
To sum up, this kind of pressure relief device for explosion-proof switch board of positive pressure type has can open the pressure release mouth according to switch board internal pressure is automatic and carry out the pressure release, and the pressure release is timely, and the control of being convenient for, and has multiple pressure release mode so that deal with different emergency, and the security is high, effectively protects the characteristics of switch board.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is an enlarged view of part a of the present invention;
FIG. 3 is a schematic view of the top view of the pressure relief vent of the present invention;
FIG. 4 is an enlarged view of the part b of the present invention;
in the figure, 1, a cabinet body; 2. a partition plate; 3. a pressure relief cavity; 4. a pressure relief channel; 5. mounting a plate; 6. a first bolt; 7. a pressure relief port; 8. a closing plate; 9. a fixing plate; 10. a second bolt; 11. a connecting rod; 12. a connecting plate; 13. a cylinder; 14. an air pressure sensor; 15. a control panel; 16. an exhaust port; 17. a manual pressure relief tube; 18. a pressure relief valve; 19. a fire blocking net; 20. an emergency pressure relief port; 21. a spring plate; 22. a gasket; 23. a support rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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 those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides the following technical solutions: a pressure relief device for a positive pressure type explosion-proof power distribution cabinet comprises a cabinet body 1, a partition plate 2 is fixedly connected inside the cabinet body 1, a pressure relief cavity 3 is arranged above the partition plate 2, an opening is formed in the upper end face of the partition plate 2, a pressure relief channel 4 is clamped on the inner wall of the opening, mounting plates 5 are fixedly connected to the left side and the right side of the outer wall of the pressure relief channel 4, the lower end faces of the two mounting plates 5 are abutted to the upper end face of the partition plate 2, first bolts 6 are connected to the upper end faces of the two mounting plates 5 in a threaded manner, a pressure relief opening 7 is fixedly connected to the upper end face of the pressure relief channel 4, a movable groove is formed in the pressure relief opening 7, a closing plate 8 is connected to the inner portion of the movable groove in a sliding manner, the right side of the closing plate 8 penetrates through the right side wall of the pressure relief opening 7 and extends to the right side of the pressure relief opening 7, fixing plates 9 are arranged on the upper end face and the lower end face of the right side of the closing plate 8, the two fixing plates 9 are detachably connected with the fixing plate 9 through second bolts 10, two connecting rods 11 of the equal fixedly connected with in right side of two fixed plates 9, four connecting rod 11's right side fixedly connected with connecting plate 12, the right side of pressure release mouth 7 is provided with cylinder 13, cylinder 13's output and connecting plate 12's left side wall fixed connection, the inner wall left side of the cabinet body 1 is provided with baroceptor 14, the outer wall right side of the cabinet body 1 is provided with control panel 15, gas vent 16 has been seted up to the left side wall in pressure release chamber 3.
In this embodiment: set for pressure sensor 14's numerical value through control panel 15 before using, after the too big numerical value that just reachs the settlement of cabinet body 1 internal pressure, pressure sensor 14 detects the signal and with signal transmission to control panel 15 inside controller, the controller received signal and control cylinder 13 starts, thereby cylinder 13 contracts backward and drives closing plate 8 and moves right, thereby open pressure release opening 7 and carry out the pressure release, thereby can open pressure release opening 7 according to the setting value is automatic and carry out the pressure release, gaseous 16 discharges through left gas vent, make cabinet body 1 obtain timely pressure release, the protection cabinet body and the internal portion of cabinet, the security is high, and control is convenient, closing plate 8 is fixed through upper and lower two fixed plates 9 and second bolt 10, connect more firmly.
As a technical optimization scheme, the outer wall right side of the cabinet body 1 is provided with manual pressure relief pipe 17, and manual pressure relief pipe 17 communicates with the inside of the cabinet body 1, and manual pressure relief pipe 17's outer wall is provided with pressure relief valve 18.
In this embodiment: if emergency happens, when the pressure relief opening 7, the air cylinder 13 and the like break down, the pressure relief valve 18 can be manually opened to relieve pressure through the manual pressure relief pipe 17, so that the safety is effectively improved, and the pressure relief is convenient.
As a technical optimization scheme of the utility model, the inside of gas vent 16 is provided with fire blocking net 19.
In this embodiment: the inside of gas vent 16 is provided with fire screen 19, and fire screen 19 can prevent effectively that the spark from flying out pressure relief chamber 3.
As a technical optimization scheme of the utility model, emergent pressure release mouth 20 has been seted up to baffle 2's up end, and emergent pressure release mouth 20 is located the left side of pressure release mouth 7, and the up end of emergent pressure release mouth 20 has been supported and has been connect shell fragment 21, and shell fragment 21's left side and baffle 2's up end pass through the bolt can dismantle and be connected.
In this embodiment: when pressure release mouth 7 and cylinder 13 etc. broke down and no staff is present, when the inside atmospheric pressure of the cabinet body 1 is normal, shell fragment 21 can cover the pressure release passageway and prevent gas leakage, can push open shell fragment 21 when the internal pressure of cabinet is too big, then emergent pressure release mouth 20 discharge can be followed to atmospheric pressure, and the pressure release mode is various, and the security is high.
As a technical optimization scheme of the utility model, the lower terminal surface of cylinder 13 can be dismantled and be connected with two branches 23.
In this embodiment: the two support rods 23 play a role in fixedly supporting the air cylinder 13, so that the air cylinder 13 is more stable.
As a technical optimization scheme of the utility model, cylinder 13 and baroceptor 14 all with control panel 15 electric connection.
In this embodiment: the air cylinder 13 and the air pressure sensor 14 are both electrically connected with the control panel 15, and the air cylinder 13 and the air pressure sensor 14 are controlled through the control panel 15, so that the control is convenient.
As a technical optimization scheme of the utility model, all be provided with gasket 22 between the up end of two first bolts 6 and baffle 2.
In this embodiment: two gaskets 22 make first bolt 6 fix pressure release channel 4 more firmly, avoid appearing the not hard up condition emergence of pressure release channel 4.
The utility model discloses a theory of operation and use flow: before the cabinet is used, the numerical value of the air pressure sensor 14 is set through the control panel 15, when the internal pressure of the cabinet body 1 is too high and reaches the set numerical value, the air pressure sensor 14 detects a signal and transmits the signal to the controller in the control panel 15, the controller receives the signal and controls the air cylinder 13 to start, the air cylinder 13 contracts backwards to drive the closing plate 8 to move rightwards, so that the pressure relief opening 7 is opened to relieve pressure, the pressure relief opening 7 can be automatically opened to relieve pressure according to the set value, the air is exhausted through the air exhaust opening 16 on the left side, the cabinet body 1 is timely relieved in pressure, the cabinet body and the internal part of the cabinet body are protected, the safety is high, the control is convenient, the closing plate 8 is fixed through the upper fixing plate 9, the lower fixing plate 9 and the second bolt 10, the connection is firmer, if an emergency occurs, when the pressure relief opening 7, the air cylinder 13 and the like fail, the pressure relief valve 18 can be manually opened to relieve pressure through the manual pressure relief pipe 17, effectively improve the security, the pressure release is convenient, when pressure release mouth 7 and cylinder 13 etc. break down and no staff is present, when the inside atmospheric pressure of the cabinet body 1 is normal, shell fragment 21 can cover the pressure release passageway and prevent gas leakage, can push open shell fragment 21 when the internal pressure of cabinet is too big, then emergent pressure release mouth 20 discharges can be followed to atmospheric pressure, and the pressure release mode is various, and the security is high.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545492.8U CN214478919U (en) | 2021-03-17 | 2021-03-17 | Pressure relief device for positive pressure type explosion-proof power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545492.8U CN214478919U (en) | 2021-03-17 | 2021-03-17 | Pressure relief device for positive pressure type explosion-proof power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214478919U true CN214478919U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120545492.8U Expired - Fee Related CN214478919U (en) | 2021-03-17 | 2021-03-17 | Pressure relief device for positive pressure type explosion-proof power distribution cabinet |
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| CN (1) | CN214478919U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274509A (en) * | 2021-12-24 | 2022-04-05 | 南京铖联激光科技有限公司 | Explosion-proof type protection gas device for 3D printer |
| CN115117748A (en) * | 2022-08-04 | 2022-09-27 | 周强 | Positive pressure type explosion-proof power distribution cabinet and use method thereof |
| CN118301867A (en) * | 2024-06-05 | 2024-07-05 | 深圳市首航新能源股份有限公司 | Inverter with a power supply |
-
2021
- 2021-03-17 CN CN202120545492.8U patent/CN214478919U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114274509A (en) * | 2021-12-24 | 2022-04-05 | 南京铖联激光科技有限公司 | Explosion-proof type protection gas device for 3D printer |
| CN114274509B (en) * | 2021-12-24 | 2023-08-08 | 南京铖联激光科技有限公司 | An explosion-proof protective gas device for a 3D printer |
| CN115117748A (en) * | 2022-08-04 | 2022-09-27 | 周强 | Positive pressure type explosion-proof power distribution cabinet and use method thereof |
| CN118301867A (en) * | 2024-06-05 | 2024-07-05 | 深圳市首航新能源股份有限公司 | Inverter with a power supply |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |