CN203423881U - Positive pressure explosion-proof cabinet - Google Patents
Positive pressure explosion-proof cabinet Download PDFInfo
- Publication number
- CN203423881U CN203423881U CN201320396621.7U CN201320396621U CN203423881U CN 203423881 U CN203423881 U CN 203423881U CN 201320396621 U CN201320396621 U CN 201320396621U CN 203423881 U CN203423881 U CN 203423881U
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- cabinet
- cabinet body
- positive pressure
- disposed
- proof
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Abstract
The utility model discloses a positive pressure explosion-proof cabinet. The positive pressure explosion-proof cabinet includes a cabinet body and a cabinet door pivoted on the cabinet body, wherein an air inlet and an air outlet are disposed on the cabinet body, and the air inlet and the air outlet are respectively provided with a butterfly valve; a pressure discharging hole is also disposed on the cabinet body, a rubber sealing plug is inserted on the pressure discharging hole, the rubber sealing plug is hinged on a support rod through a connection rod, the support rod is fixed on the cabinet body, and a heavy object is disposed on the connection rod in a movable manner; a circulating fan is disposed in the cabinet body, and the circulating fan is serially connected with a cooler and a spark filter, which are at the external side of the cabinet body; a controller, a temperature sensor, and a pressure sensor are also disposed in the cabinet body; and an E-shaped sealing groove is disposed at the connection part of the cabinet body and the cabinet door, and a sealing pad is disposed at the internal part of the E-shaped sealing groove. With the positive pressure explosion-proof cabinet, defects in the prior art are overcome, automation level is improved, manual operation is simplified, and sealing performance of the positive pressure explosion-proof cabinet is enhanced.
Description
Technical field
The utility model relates to a kind of antiknock device, especially a kind of positive pressure explosion-proof cabinet.
Background technology
In the place that has explosion risk gas, generally use positive pressure explosion-proof cabinet to carry out explosive-proof protector to electric equipment.Common positive pressure explosion-proof cabinet controls that degree is low automatically, and sealing is poor, uses inconvenience.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of positive pressure explosion-proof cabinet, can solve the deficiencies in the prior art, by controller is set in positive pressure explosion-proof cabinet, automatically adjust temperature, pressure and the air output of positive pressure explosion-proof cabinet, improve the level of automatic control, simplified manual operation; The Seal Design at cabinet door place has improved the sealing of positive pressure explosion-proof cabinet.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
, structure comprises cabinet and is hinged on the cabinet door on cabinet, is provided with air inlet and air outlet on described cabinet, is respectively arranged with a butterfly valve in air inlet and air outlet; On described cabinet, be also provided with a relief hole, be plugged with rubber seal plug on relief hole, it is upper that rubber seal plug is hinged on pole by connecting rod, and pole is fixed on described cabinet, is movably set with a weight on connecting rod; In described cabinet, be provided with circulating fan, cooler and the spark filter in circulating fan and described cabinet outside are connected in series; In described cabinet, be also provided with controller, temperature sensor and pressure sensor, controller is connected with butterfly valve, temperature sensor and pressure sensor respectively; The junction of described cabinet and cabinet door is provided with " E " font seal groove, and " E " font seal groove inside is provided with sealing gasket.
As preferably, described cooler adopts water-cooling cooler.
As preferably, described controller adopts single-chip microcomputer.
The beneficial effect that adopts technique scheme to bring is: the utility model, by controller is set in positive pressure explosion-proof cabinet, is adjusted temperature, pressure and the air output of positive pressure explosion-proof cabinet automatically, has improved the level of automatic control, has simplified manual operation.By adjusting the position of weight, can change flexibly pressure release pressure, it is long-pending that the Seal Design at cabinet door place has increased sealing contact surface, improved the sealing of positive pressure explosion-proof cabinet.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an embodiment of the utility model.
Fig. 2 is the schematic diagram of " E " font seal groove in embodiment of the utility model.
In figure: 1, cabinet; 2, cabinet door; 3, air inlet; 4, air outlet; 5, butterfly valve; 6, relief hole; 7, rubber seal plug; 8, connecting rod; 9, pole; 10, weight; 11, circulating fan; 12, cooler; 13, spark filter; 14, controller; 15, temperature sensor; 16, pressure sensor; 17, " E " font seal groove; 18, sealing gasket.
Embodiment
With reference to Fig. 1-2, structure of the present utility model comprises cabinet 1 and is hinged on the cabinet door 2 on cabinet 1, is provided with air inlet 3 and air outlet 4 on described cabinet 1, is respectively arranged with a butterfly valve 5 in air inlet 3 and air outlet 4; On described cabinet 1, be also provided with a relief hole 6, be plugged with rubber seal plug 7 on relief hole 6, rubber seal plug 7 is hinged on pole 9 by connecting rod 8, and pole 9 is fixed on described cabinet 1, is movably set with a weight 10 on connecting rod 8; In described cabinet 1, be provided with circulating fan 11, circulating fan 11 is connected in series with cooler 12 and the spark filter 13 in described cabinet 1 outside; In described cabinet 1, be also provided with controller 14, temperature sensor 15 and pressure sensor 16, controller 14 is connected with butterfly valve 5, temperature sensor 15 and pressure sensor 16 respectively; Described cabinet 1 is provided with " E " font seal groove 17 with the junction of cabinet door 2, and " E " font seal groove 17 inside are provided with sealing gasket 18.
It should be noted that described cooler 12 adopts water-cooling cooler.
In addition, described controller 14 adopts single-chip microcomputer.
Operation principle of the present utility model is: controller 14 receives the data of temperature sensor 15 and pressure sensor 16 transmissions in real time, according to the butterfly valve 5 of set point adjustment air inlet 3 and air outlet 4, control intake and air output, make the temperature and pressure in cabinet 1 reach relative equilibrium.Circulating fan 11 is pumped the gas in cabinet 1 to cooler and is cooled, and filters out the issuable spark of the interior electric equipment of cabinet 1 by spark filter 13.It is long-pending that " E " font seal groove 17 has increased sealing contact surface, improved the sealing of positive pressure explosion-proof cabinet.By adjusting the position of weight 10 on connecting rod 8, can change flexibly pressure release pressure.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a positive pressure explosion-proof cabinet, structure comprises cabinet (1) and is hinged on the cabinet door (2) on cabinet (1), it is characterized in that: on described cabinet (1), be provided with air inlet (3) and air outlet (4), in air inlet (3) and air outlet (4), be respectively arranged with a butterfly valve (5); On described cabinet (1), be also provided with a relief hole (6), on relief hole (6), be plugged with rubber seal plug (7), rubber seal plug (7) is hinged on pole (9) by connecting rod (8), it is upper that pole (9) is fixed on described cabinet (1), is movably set with a weight (10) on connecting rod (8); In described cabinet (1), be provided with circulating fan (11), circulating fan (11) is connected in series with cooler (12) and the spark filter (13) in described cabinet (1) outside; In described cabinet (1), be also provided with controller (14), temperature sensor (15) and pressure sensor (16), controller (14) is connected with butterfly valve (5), temperature sensor (15) and pressure sensor (16) respectively; Described cabinet (1) is provided with " E " font seal groove (17) with the junction of cabinet door (2), and " E " font seal groove (17) inside is provided with sealing gasket (18).
2. positive pressure explosion-proof cabinet according to claim 1, is characterized in that: described cooler (12) adopts water-cooling cooler.
3. positive pressure explosion-proof cabinet according to claim 1, is characterized in that: described controller (14) adopts single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396621.7U CN203423881U (en) | 2013-07-04 | 2013-07-04 | Positive pressure explosion-proof cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396621.7U CN203423881U (en) | 2013-07-04 | 2013-07-04 | Positive pressure explosion-proof cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423881U true CN203423881U (en) | 2014-02-05 |
Family
ID=50022970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320396621.7U Expired - Fee Related CN203423881U (en) | 2013-07-04 | 2013-07-04 | Positive pressure explosion-proof cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423881U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103917068A (en) * | 2014-04-02 | 2014-07-09 | 安徽埃菲科电气设备制造有限公司 | Anti-explosion electric control cabinet convenient to cool |
| CN106207842A (en) * | 2016-08-31 | 2016-12-07 | 江苏亿能电气有限公司 | A kind of all-insulation inflation looped network cabinet cabinet |
| CN106374379A (en) * | 2016-08-31 | 2017-02-01 | 江苏亿能电气有限公司 | Small-sized fully-insulated air-inflated ring main unit |
| CN108321704A (en) * | 2018-02-27 | 2018-07-24 | 张乃月 | Explosion-proof positive pressure power distribution cabinet |
| CN112984379A (en) * | 2021-02-05 | 2021-06-18 | 亿昇(天津)科技有限公司 | Control method based on leakage compensation type positive pressure redundancy safety protection system |
-
2013
- 2013-07-04 CN CN201320396621.7U patent/CN203423881U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103917068A (en) * | 2014-04-02 | 2014-07-09 | 安徽埃菲科电气设备制造有限公司 | Anti-explosion electric control cabinet convenient to cool |
| CN106207842A (en) * | 2016-08-31 | 2016-12-07 | 江苏亿能电气有限公司 | A kind of all-insulation inflation looped network cabinet cabinet |
| CN106374379A (en) * | 2016-08-31 | 2017-02-01 | 江苏亿能电气有限公司 | Small-sized fully-insulated air-inflated ring main unit |
| CN106207842B (en) * | 2016-08-31 | 2018-06-19 | 江苏亿能电气有限公司 | A kind of all-insulation inflation looped network cabinet cabinet |
| CN108321704A (en) * | 2018-02-27 | 2018-07-24 | 张乃月 | Explosion-proof positive pressure power distribution cabinet |
| CN112984379A (en) * | 2021-02-05 | 2021-06-18 | 亿昇(天津)科技有限公司 | Control method based on leakage compensation type positive pressure redundancy safety protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Shanghai Envisee Information System Co., Ltd. Document name: Notification of Termination of Patent Right |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140205 Termination date: 20140704 |
|
| EXPY | Termination of patent right or utility model |