CN2867535Y - Separated positive pressure ventilating explosion-proof cabinet - Google Patents
Separated positive pressure ventilating explosion-proof cabinet Download PDFInfo
- Publication number
- CN2867535Y CN2867535Y CN 200620025219 CN200620025219U CN2867535Y CN 2867535 Y CN2867535 Y CN 2867535Y CN 200620025219 CN200620025219 CN 200620025219 CN 200620025219 U CN200620025219 U CN 200620025219U CN 2867535 Y CN2867535 Y CN 2867535Y
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- cabinet
- explosion
- proof
- control box
- main cabinet
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Abstract
The utility model pertains to a positive-pressure type explosion-proof electric equipment field, specifically, a positive-pressure ventilation explosion-proof cabinet field. Split positive-pressure ventilation explosion-proof cabinet is characterized in that: the cabinet structure is divided into a split main cabinet [1] and an auxiliary cabinet [2]; the main cabinet is equipped with the control system on customer's demand and the auxiliary cabinet is equipped with positive-pressure control system; the main cabinet and auxiliary cabinet connect with each other by bolts; two explosion-proof control boxes are positioned in the auxiliary cabinet; one of them is an electric unit control box, equipped with an electric control unit [28] and connects with the main cabinet by a line outlet [50]; the other one is a pneumatic unit control box, equipped with a pneumatic unit [27] and connects with the main cabinet by air outlet [15]; the two control boxes connect with each other by explosion-proof flexible pipe with electric wire through.
Description
Technical field
The utility model belongs to positive pressure type electrical apparatus for explosive atmospheres field, particularly positive draft explosion-proof cabinet field.
Background technology
In dangerous place with a potential explosion, use the demand of measurement instrument system and electrical apparatus system more and more at present, not high for adopting the explosion-proof electrification element than relatively large control system or adopting flame-proof type shell antiknock device to carry out explosion-proof processing feasibility, adopt the positive-pressure explosion-proof cabinet just to can solve this problem.Through patent retrieval; adopt at present the switch board patent of positive pressure protection principle and the utility model approaching CN 2053011U, CN 2114878U arranged; but these two kinds of patents all are installed in master control system and positive pressure control system in the cabinet of single chamber; bring unnecessary trouble will for like this installation and the debugging of master control system, and make and safeguard all not convenient.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of national standard that meets is provided, and is rational in infrastructure, is convenient to the explosion-proof cabinet of split type positive draft of making and safeguarding.
The purpose of this utility model is achieved in that the explosion-proof cabinet of split type positive draft, it is characterized in that: cabinet body structure is split type main cabinet [1], secondary cabinet [2], the control system of customer requirement is installed in the main cabinet, positive pressure control system is installed in the secondary cabinet, main cabinet is connected with bolt with secondary cabinet cabinet; Built-in two the flame-proof type control boxs of secondary cabinet, one be the electrodynamic element control box, built-in electronic control module [28], and pass through line outlet [10] and be connected with main cabinet; Another is the pneumatic unit control box, built-in pneumatic unit [27], and be connected with main cabinet by gas circuit outlet [15]; Connect with explosion-proof flexible tubing in the middle of two control boxs, cross electric wire in the flexible tubing.
Electrodynamic element control box sidepiece welds alarm for high voltage pilot lamp [6], low pressure alarming pilot lamp [7], low pressure shutoff alarm lamp [8] from top to bottom in the described secondary cabinet, reaches a debugging and normal operating conditions conversion knob [9].
Two line outlets of electrodynamic element control box welded top [10] in the described secondary cabinet are done encapsulation process and are fed main cabinet on it; Back welding external power source intake [12] is connected inlet [13] with flexible tubing.
Pneumatic unit control box sidepiece is installed filtering pressure reducing valve [22] and accurate voltage regulating valve [19] in the described secondary cabinet.
Three gas circuits outlets of pneumatic unit control box welded top [15] in the described secondary cabinet are done encapsulation process and are fed main cabinet on it; One face down bonding connects on-the-spot air source inlet [23] and exhausr port [20], and air source inlet [23] does encapsulation process and filtering pressure reducing valve [22] outlet is connected, and exhausr port [20] is done explosion-proof processing back and connected with atmosphere; Opposite side welding external atmospheric pressure sampling inlet [25] is done explosion-proof processing back and is connected with atmosphere, and back welding flexible tubing connects inlet [26].
The door that described secondary cabinet front respectively has a fan to be connected with cabinet with hinge, secondary cabinet left-hand door [4], the right door of secondary cabinet [5] on the panel in the middle of two secondary cabinet doors, are screwed main cabinet internal pressure indicator gauge [3].
Compared with prior art, the beneficial effects of the utility model are: owing to taked split type main cabinet and secondary cabinet, the control system of customer requirement is installed in main cabinet, secondary cabinet is installed positive pressure control system; Reduce master control system and installed and debugged unnecessary trouble.Because secondary cabinet is divided into two parts of isolation,, electric controling element and gas circuit control element lay again thereby being isolated; Be convenient to more make and safeguard.
Description of drawings
Fig. 1 is a structural representation of the present utility model; Among the figure: 1 main cabinet, 2 secondary cabinets, 3 main cabinet internal pressure indicator gauges, 4 secondary cabinet left-hand doors, the right door of 5 secondary cabinets.
Fig. 2 is the circuit unit control box right view of installing behind the secondary cabinet left-hand door; Among the figure: 6 alarm for high voltage pilot lamp, 7 low pressure alarming pilot lamp, 8 low pressure are turn-offed alarm lamp, 9 debugging and normal operating conditions conversion knob.
Fig. 3 is the rear view of Fig. 2; Among the figure: 10 line outlets, 11 electrodynamic element control box casings, 12 external power source intakes, 13 flexible tubings connect inlet, 14 casing firm bankings.
Fig. 4 is the pneumatic unit control box left view that install behind the door on the secondary cabinet right side; Among the figure: the outlet of 15 gas circuits, 16 gas circuit unit controls box bodies, 17 filtering pressure reducing valve supports, 18 accurate voltage regulating valve supports, 19 accurate voltage regulating valves, 20 exhausr ports, 21 tensimeters, 22 filtering pressure reducing valves, 23 air source inlet, 24 casing firm bankings.
Fig. 5 is the right view of Fig. 4; Among the figure: 25 external atmosphere pressure sampling inlet, 26 flexible tubings connect inlet.
Fig. 6 is control principle figure of the present utility model; Among the figure: 27 pneumatic units, 28 electronic control modules, PLLS are that the low pressure shutoff is that low pressure alarming is that alarm for high voltage is that the low pressure shutoff is that low pressure alarming is that alarm for high voltage is that alarm for high voltage pilot lamp, HL2 are that low pressure alarming pilot lamp, HL3 are that low pressure is turn-offed alarm lamp, KM is that main cabinet power supply is that the time relay, V1 are that purging is the exhaust solenoid valve with solenoid valve, V2 with contactor, Rt with relay, HL1 with auxiliary reclay, R3 with auxiliary reclay, R2 with pressure difference switch, R1 with pressure difference switch, PAH with pressure difference switch, PAL.
Embodiment
With reference to the accompanying drawings, the utility model is further described:
Referring to accompanying drawing 1, accompanying drawing 8: the explosion-proof cabinet of split type positive draft is characterized in that: cabinet body structure is split type main cabinet 1, secondary cabinet 2, and the control system of customer requirement is installed in the main cabinet, and positive pressure control system is installed in the secondary cabinet, and main cabinet is connected with bolt with secondary cabinet cabinet; Built-in two the flame-proof type control boxs of secondary cabinet, one be the electrodynamic element control box, built-in electronic control module 28, and pass through line outlet 10 and be connected with main cabinet; Another is the pneumatic unit control box, built-in pneumatic unit 27, and export 15 main cabinets by gas circuit and connect; Connect with explosion-proof flexible tubing in the middle of two control boxs, cross electric wire in the flexible tubing.
Referring to accompanying drawing 2 and accompanying drawing 3: Fig. 2 is electrodynamic element control box right view, and Fig. 3 is a rear view.Among the figure: the anti-explosion cable sealing adaptor is installed in the porch of external power source intake 12, the interior cable of crossing; Flexible tubing connects inlet 13 and is connected inlet 26 connections with the flexible tubing of pneumatic unit control box by explosion-proof flexible tubing; Line outlet 10 is connected with main cabinet, and the sealing locking mode is adopted in the junction, irritates fluid sealant in the line outlet and carries out the shutoff processing.
Referring to attached Figure 4 and 5: Fig. 4 is pneumatic unit control box left view, and Fig. 5 is a right view.Among the figure: filtering pressure reducing valve 22 is installed on the filtering pressure reducing valve support 17 that is welded in the casing sidepiece, and tensimeter 21 directly screws on the sample tap of filtering pressure reducing valve 22, and accurate voltage regulating valve 19 is installed on the accurate voltage regulating valve support 18 of welding casing sidepiece.Filtering pressure reducing valve 22 inlet is connected with on-the-spot source of the gas with wireway, and the outlet of filtering pressure reducing valve 22 is connected with a triplet card bell and spigot joint with wireway, tells two wireways, and one enters the mouth with accurate voltage regulating valve 19 and to be connected another root access air source inlet 23.Gas outlet inside is connected with electromagnetic valve entrance with exhaust by wireway.19 outlets of accurate voltage regulating valve penetrate main cabinet inside by wireway, connect with main cabinet inner chamber, seal locking with main cabinet interface and handle.
That the utility model is used for is electric, there is the explosive gas atmosphere hazardous area in the automatic control field: 1 district, 2 districts, and have IIA, IIB level damp or steam substance environment.Cabinet adopts the steel plate welded case, and structure is last main cabinet, following secondary cabinet.The control system of customer requirement is installed, as various measuring instruments, analysis meter, Displaying Meter, low-voltage electrical apparatus, frequency converter, soft initiator or computer control system in the main cabinet; Secondary cabinet is installed positive pressure control system and electric power system, to main cabinet purge, holding pressure control, and can report to the police and control the bound of pressure.Main cabinet sealing is reliable, degree of protection IP66; Two explosion-proof control boxs are installed, explosive-proof grade ExdII BT4, degree of protection IP54 in the secondary cabinet.
Claims (6)
1. explosion-proof cabinet of split type positive draft, it is characterized in that: cabinet body structure is split type main cabinet [1], secondary cabinet [2], and the control system of customer requirement is installed in the main cabinet, and positive pressure control system is installed in the secondary cabinet, main cabinet is connected with bolt with secondary cabinet cabinet; Built-in two the flame-proof type control boxs of secondary cabinet, one be the electrodynamic element control box, built-in electronic control module [28], and pass through line outlet [10] and be connected with main cabinet; Another is the pneumatic unit control box, built-in pneumatic unit [27], and be connected with main cabinet by gas circuit outlet [15]; Connect with explosion-proof flexible tubing in the middle of two control boxs, cross electric wire in the flexible tubing.
2. the explosion-proof cabinet of split type positive draft according to claim 1, it is characterized in that: electrodynamic element control box sidepiece welds alarm for high voltage pilot lamp [6], low pressure alarming pilot lamp [7], low pressure shutoff alarm lamp [8] from top to bottom in the secondary cabinet, reaches a debugging and normal operating conditions conversion knob [9].
3. the explosion-proof cabinet of split type positive draft according to claim 1 and 2 is characterized in that: two line outlets of electrodynamic element control box welded top [10] in the secondary cabinet, and do encapsulation process and feed main cabinet on it; Back welding external power source intake [12] is connected inlet [13] with flexible tubing.
4. the explosion-proof cabinet of split type positive draft according to claim 1 is characterized in that: pneumatic unit control box sidepiece is installed filtering pressure reducing valve [22] and accurate voltage regulating valve [19] in the secondary cabinet.
5. according to claim 1 or the explosion-proof cabinet of 4 described split type positive drafts, it is characterized in that: three gas circuits outlets of pneumatic unit control box welded top [15] in the secondary cabinet, do encapsulation process and feed main cabinet on it; One face down bonding connects air source inlet [23] and exhausr port [20], and air source inlet [23] does encapsulation process and filtering pressure reducing valve [22] outlet is connected, and exhausr port [20] is done explosion-proof processing back and connected with atmosphere; Opposite side welding external atmospheric pressure sampling inlet [25] is done explosion-proof processing back and is connected with atmosphere, and back welding flexible tubing connects inlet [26].
6. the explosion-proof cabinet of split type positive draft according to claim 1, it is characterized in that: the door that secondary cabinet front respectively has a fan to be connected with cabinet with hinge, secondary cabinet left-hand door [4], the right door of secondary cabinet [5] on the panel in the middle of two secondary cabinet doors, are screwed main cabinet internal pressure indicator gauge [3].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620025219 CN2867535Y (en) | 2006-01-23 | 2006-01-23 | Separated positive pressure ventilating explosion-proof cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620025219 CN2867535Y (en) | 2006-01-23 | 2006-01-23 | Separated positive pressure ventilating explosion-proof cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2867535Y true CN2867535Y (en) | 2007-02-07 |
Family
ID=37703240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620025219 Expired - Lifetime CN2867535Y (en) | 2006-01-23 | 2006-01-23 | Separated positive pressure ventilating explosion-proof cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2867535Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778546A (en) * | 2010-02-11 | 2010-07-14 | 赵幼敏 | Explosion-proof tank for electric appliance |
| CN106994285A (en) * | 2015-11-26 | 2017-08-01 | 日本派欧尼株式会社 | electrical installation unit |
| CN107645875A (en) * | 2017-09-11 | 2018-01-30 | 大庆宏富来电气设备制造有限公司 | Positive pressure anti-explosion controlling cubicle |
| CN109277242A (en) * | 2018-08-17 | 2019-01-29 | 深圳市泰达机器人有限公司 | A kind of positive-pressure explosion-proof spray trigger |
| CN110234208A (en) * | 2019-04-03 | 2019-09-13 | 四川宝石机械石油钻头有限责任公司 | It impulses for roller negative pressure and handles sled system anti-explosion cabinet |
-
2006
- 2006-01-23 CN CN 200620025219 patent/CN2867535Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101778546A (en) * | 2010-02-11 | 2010-07-14 | 赵幼敏 | Explosion-proof tank for electric appliance |
| CN106994285A (en) * | 2015-11-26 | 2017-08-01 | 日本派欧尼株式会社 | electrical installation unit |
| CN107645875A (en) * | 2017-09-11 | 2018-01-30 | 大庆宏富来电气设备制造有限公司 | Positive pressure anti-explosion controlling cubicle |
| CN109277242A (en) * | 2018-08-17 | 2019-01-29 | 深圳市泰达机器人有限公司 | A kind of positive-pressure explosion-proof spray trigger |
| CN110234208A (en) * | 2019-04-03 | 2019-09-13 | 四川宝石机械石油钻头有限责任公司 | It impulses for roller negative pressure and handles sled system anti-explosion cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070207 |
|
| EXPY | Termination of patent right or utility model |