CN105807819A - High-capacity, explosion-proof and positive-pressure cabinet having self-cooling function - Google Patents
High-capacity, explosion-proof and positive-pressure cabinet having self-cooling function Download PDFInfo
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- CN105807819A CN105807819A CN201410845804.1A CN201410845804A CN105807819A CN 105807819 A CN105807819 A CN 105807819A CN 201410845804 A CN201410845804 A CN 201410845804A CN 105807819 A CN105807819 A CN 105807819A
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Abstract
The invention discloses a high-capacity, explosion-proof and positive-pressure cabinet having the self-cooling function, which comprises an automatic pressure regulating system and a temperature regulating system. The cabinet is characterized in that the automatic pressure regulating system comprises an alarm, a pressure transmitter, a pneumatic actuator, a fire-resistant cap, a pressure regulating filter and the like. The temperature regulating system comprises a pressure sensor, a temperature control meter, a vortex cooling tube and the like. The automatic pressure regulating system is arranged inside the control cavity of the cabinet body of the explosion-proof and positive-pressure cabinet. According to the technical scheme of the invention, the problems of the explosion-proof and positive-pressure cabinet, such as poor high-temperature operation performance, frequent alarm and the like, can be solved in the following two ways: firstly, the system alarms to start the automatic ventilating function and carry away the excessive heat; secondly, through introducing the temperature regulating system, the gas temperature of instruments in the entire system can be directly regulated. Therefore, the gas source is cooled and the high temperature of gases in the explosion-proof and positive-pressure cabinet is reduced. Meanwhile, the alarm for exchanging gases is frequently conducted, so that the continuity and the stability of equipment are improved.
Description
Technical field
The present invention relates to a kind of explosion-proof malleation cabinet suitable in the explosion risk environment such as petroleum and petrochemical industry, chemical industry, wine brewing, medicine, paint, weaving, printing and dyeing, military project facility, particularly relate to a kind of high-capacity non-explosive malleation cabinet having from cooling function.
Background technology
Along with developing rapidly of the industry such as oil, chemical industry, the use in system control of the explosion-proof malleation cabinet is more and more extensive.But there is familiar lacunas in existing malleation cabinet, namely its internal electric elements can dispel the heat, and the heat retention of generation, inside malleation cabinet, causes that its temperature raises, affect the normal operation of electric elements, and high temperature alarm and work process urgent interrupt can affect the service life of electric elements frequently.Therefore, the internal electric elements negligible amounts arranged of general explosion-proof malleation cabinet, this makes the control ability that explosion-proof malleation cabinet realizes less, inadaptable maximization in the present age, intensive industrial demand.So, it is necessary to the temperature adjuster system of explosion-proof malleation cabinet is improved, designs a kind of high-capacity non-explosive malleation cabinet having from cooling function.
Summary of the invention
Present invention aims to the defect of prior art and deficiency, it is provided that a kind of high-capacity non-explosive malleation cabinet having from cooling function, control Multifunctional centralized reduction machinery and the demand of multistation machinery meeting current malleation cabinet.
For achieving the above object, the technical solution used in the present invention is:
A kind of high-capacity non-explosive malleation cabinet having from cooling function, it includes automatic voltage regulating system and humidity control system；Described automatic voltage regulating system includes the compositions such as alarm, pressure transmitter, pneumatic actuator, back-fire relief cap, pressure regulation filter；Humidity control system is made up of pressure transducer, temp controlled meter, eddy current cooling tube etc.；Described automatic voltage regulating system is arranged on explosion-proof malleation cabinet cabinet and controls intracavity.
Described temp controlled meter is separately mounted to left and right malleation chamber front panel.
Described pressure transmitter is arranged on control chamber front panel, and with temp controlled meter homonymy.
After adopting said structure, the invention have the benefit that
1, this malleation cabinet has outside the high-touch features such as automatic air-exchanging, QI invigorating, supertension releasing pressure automatically, low pressure alarming and the chain power-off of low pressure；
2, cabinet volume is big, and the separation of electrical equipment strong and weak electricity can prevent interfering with each other；
3, the application to eddy current cooling tube, can lower the temperature to source of the gas (compression air), and in the case of a high temperature, ventilation of frequently reporting to the police, to increase the seriality of equipment, stability to reduce gas in malleation cabinet.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, constitutes the part of the application, but is not intended that inappropriate limitation of the present invention, in the accompanying drawings:
Fig. 1 is the gas supply-discharge system schematic diagram in the present invention with the high-capacity non-explosive malleation cabinet from cooling function；
Fig. 2 is the front schematic view in the present invention with the high-capacity non-explosive malleation cabinet from cooling function；
Description of reference numerals: 1-electromagnetic valve I；2-executor；3-ball valve I；4-pressure regulator valve；5-choke valve；6-choke valve II；7-electromagnetic valve II；8-electromagnetic valve II；9-ball valve 2；10-temp controlled meter I；The left malleation chamber of 11-；12-controls chamber；13-pressure transmitter；14-alarm；15-eddy current cooler；16-temperature control Table II；The right malleation chamber of 17-；18-has enough to meet the need district.
Detailed description of the invention
The invention provides a kind of high-capacity non-explosive malleation cabinet having from cooling function, for making the purpose of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
The high accuracy being generally integrated more much caloric values in malleation cabinet controls module (such as PLC module) and various discrete electronic devices and components, these precision elements work for a long time in hot environment, not only can premature aging, reduction of service life, and, once switch board internal temperature is too high, control accuracy and control stability will be had a strong impact on, even result in vigour part to burn, cause unexpected shut-down.To this, the present invention solves this problem by 2 kinds of methods: 1) system alarm, starts automatic ventilation function and takes away unnecessary heat.2) humidity control system by introducing, directly regulates the instrument air temperature in whole system.
The invention provides a kind of high-capacity non-explosive malleation cabinet having from cooling function specifically, it includes automatic voltage regulating system and humidity control system.
Automatic voltage regulating system includes alarm, pressure transmitter, pneumatic actuator, ball valve, electromagnetic valve, back-fire relief cap, pressure regulation filter, choke valve etc., in native system, by pressure regulation filter, ball valve, executor, electromagnetic valve, choke valve, back-fire relief cap etc., it is installed in cabinet and controls intracavity.Pressure transmitter shows malleation cavity pressure in real time, and when pressure is beyond prescribed limit, alarm equipment alarm, ball valve automatically turns on, and gas is discharged by back-fire relief cap, to reach blood pressure lowering purpose；Otherwise, ball valve is in closure state.
Further, pressure transmitter is arranged on control chamber front panel, and with temp controlled meter homonymy.
Humidity control system includes alarm, pressure transducer, temp controlled meter, eddy current cooling tube etc..Alarm need to be arranged on full position, controls directly over chamber；Temp controlled meter is separately mounted to left and right malleation chamber front panel.Temp controlled meter shows malleation cavity temperature in real time, and when temperature is beyond prescribed limit, alarm equipment alarm, system is regulated by air exchange system.Eddy current cooling is set in systems and reduces the restriction that user is inputted barotropic gas temperature, reduce frequently ventilation, enable this equipment in area application more widely, make this equipment have bigger capacity setting height heat radiation electrical equipment simultaneously.
Vortex tube operation principle: expand after there is the compression air entrance nozzle of vortex tube of certain pressure and accelerate, air-flow after accelerating enters a column type vortex generator, the air-flow rotated is with 1,000, the rotary speed of 000rpm enters inside heat pipe along heat pipe wall, in heat pipe, air-flow produces the separation of energy after eddy current exchanges, and air-flow is divided into two strands of air-flows, and one is thermal current, and another stock is cold airflow.Terminal at heat pipe, part compression air gushes in the way of hot-air by regulating valve, remaining compression air returns by entering the center of heat pipe swirling eddy with relatively low velocity, and this strand of cold airflow is centrally formed ultralow temperature cold air by generator and is pooled to the discharge of cold air end.
The application of various valves and alarm, pressure transducer and temp controlled meter also makes described equipment also have multiple interlock protection function, and when whole system is in hypertonia or is too low, too high or too low for temperature, system can automatically power off.
Claims (3)
1. having the high-capacity non-explosive malleation cabinet from cooling function, it includes automatic voltage regulating system and humidity control system；It is characterized in that, described automatic voltage regulating system includes the compositions such as alarm, pressure transmitter, pneumatic actuator, back-fire relief cap, pressure regulation filter；Humidity control system is made up of pressure transducer, temp controlled meter, eddy current cooling tube etc.；Described automatic voltage regulating system is arranged on explosion-proof malleation cabinet cabinet and controls intracavity.
2. a kind of high-capacity non-explosive malleation cabinet having from cooling function according to claim 1, it is characterised in that described temp controlled meter is separately mounted to left and right malleation chamber front panel.
3. a kind of high-capacity non-explosive malleation cabinet having from cooling function according to claim 1, it is characterised in that described pressure transmitter is arranged on control chamber front panel, and with temp controlled meter homonymy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845804.1A CN105807819A (en) | 2014-12-31 | 2014-12-31 | High-capacity, explosion-proof and positive-pressure cabinet having self-cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410845804.1A CN105807819A (en) | 2014-12-31 | 2014-12-31 | High-capacity, explosion-proof and positive-pressure cabinet having self-cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105807819A true CN105807819A (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410845804.1A Pending CN105807819A (en) | 2014-12-31 | 2014-12-31 | High-capacity, explosion-proof and positive-pressure cabinet having self-cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105807819A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4859220A (en) * | 1986-09-02 | 1989-08-22 | Teledyne Industries, Inc. | Cabinet controller |
| CN202735875U (en) * | 2012-06-29 | 2013-02-13 | 上海宝钢化工有限公司 | Constant temperature positive pressure protection system of control cabinet |
| CN202771213U (en) * | 2012-06-11 | 2013-03-06 | 杭州坚信电气设备有限公司 | Explosion-proof positive-pressure cabinet |
| CN202906205U (en) * | 2012-11-09 | 2013-04-24 | 陈元定 | A positive-pressure explosion-proof power distribution cabinet |
-
2014
- 2014-12-31 CN CN201410845804.1A patent/CN105807819A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4859220A (en) * | 1986-09-02 | 1989-08-22 | Teledyne Industries, Inc. | Cabinet controller |
| CN202771213U (en) * | 2012-06-11 | 2013-03-06 | 杭州坚信电气设备有限公司 | Explosion-proof positive-pressure cabinet |
| CN202735875U (en) * | 2012-06-29 | 2013-02-13 | 上海宝钢化工有限公司 | Constant temperature positive pressure protection system of control cabinet |
| CN202906205U (en) * | 2012-11-09 | 2013-04-24 | 陈元定 | A positive-pressure explosion-proof power distribution cabinet |
Non-Patent Citations (1)
| Title |
|---|
| 中国电器工业协会防爆电器分会: "《防爆电器产品样本》", 30 April 2008 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: 130012 No. three, No. 177, software development zone, Changchun hi tech Industrial Development Zone, Jilin Applicant after: Changchun North Chemical Filling Equipment Co., Ltd. Address before: 130012 No. three, No. 177, software development zone, Changchun hi tech Industrial Development Zone, Jilin Applicant before: CHANGCHUN NORTHERN CHEMICAL FILLING EQUIPMENT CO., LTD. |
|
| COR | Change of bibliographic data | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160727 |