CN214206264U - Positive-pressure ventilation device of machine cabinet - Google Patents

Positive-pressure ventilation device of machine cabinet Download PDF

Info

Publication number
CN214206264U
CN214206264U CN202120327438.6U CN202120327438U CN214206264U CN 214206264 U CN214206264 U CN 214206264U CN 202120327438 U CN202120327438 U CN 202120327438U CN 214206264 U CN214206264 U CN 214206264U
Authority
CN
China
Prior art keywords
rack
travel switch
air supply
branch pipe
solenoid valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202120327438.6U
Other languages
Chinese (zh)
Inventor
张二科
靳小耀
汪涛
张凯
牛小江
于国庆
张亚楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Jinkong Tianqing Coal Chemical Co Ltd
Original Assignee
Henan Jinkong Tianqing Coal Chemical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan Jinkong Tianqing Coal Chemical Co Ltd filed Critical Henan Jinkong Tianqing Coal Chemical Co Ltd
Priority to CN202120327438.6U priority Critical patent/CN214206264U/en
Application granted granted Critical
Publication of CN214206264U publication Critical patent/CN214206264U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Ventilation (AREA)

Abstract

The utility model belongs to the technical field of rack ventilation unit, a rack malleation ventilation unit is disclosed, including rack body and air supply pipeline, be equipped with the cabinet door on the rack body, along gaseous flow direction, be equipped with manual stop valve and solenoid valve on the air supply pipeline in proper order, this is internal for the end of giving vent to anger of air supply pipeline extends the rack, this internal gaseous dispersion branch pipe that is equipped with of rack, and gaseous dispersion branch pipe is linked together with the air supply pipeline, and the equipartition has the hole of dispersing on the gaseous dispersion branch pipe, be equipped with travel switch on the rack body, the travel switch can be triggered in opening and shutting of cabinet door, and travel switch is connected with the solenoid valve electricity, the positive top of rack body is equipped with axial fan, this internal power supply unit who is the power supply of solenoid valve, travel switch and axial fan. The device simple structure, it is convenient to implement, and the rack of being convenient for overhauls, avoids gaseous extravagant.

Description

Positive-pressure ventilation device of machine cabinet
Technical Field
The utility model belongs to the technical field of the rack ventilation unit, specifically, relate to a rack malleation ventilation unit.
Background
The interior of the cabinet is generally the core equipment of an industrial control system, and the operation quality of the cabinet is related to the safe and stable operation of the production device. However, in the chemical production process, toxic and harmful corrosive gas is inevitably generated, once the gas enters the cabinet, the electronic components in the equipment are seriously damaged, the fluctuation of a control system is caused, even the shutdown and production halt of the device occur, and huge hidden dangers are brought to safety production. In addition, the ventilation effect of the existing positive pressure ventilation device is poor, the automation degree is low, the automatic stop and delivery switching of the gas circuit cannot be realized, and the later maintenance and overhaul are not facilitated.
SUMMERY OF THE UTILITY MODEL
The above-mentioned problem to prior art exists, the utility model aims at providing a rack malleation ventilation unit can conveniently realize the malleation ventilation in the rack, and through solenoid valve and travel switch's setting, can realize that the air supply ground is automatic to be stopped and send the switching moreover, more is favorable to the maintenance and the maintenance in later stage, makes production system can the operation of safety and stability more.
In order to achieve the above object, the present invention is realized by the following technical solutions:
the utility model provides a rack malleation ventilation unit, includes rack body and air supply pipeline, is equipped with the cabinet door on the rack body, along gaseous flow direction, be equipped with manual stop valve and solenoid valve on the air supply pipeline in proper order, it is originally internal that the end of giving vent to anger of air supply pipeline extends the rack, this internal gaseous dispersion branch pipe that is equipped with of rack, and gaseous dispersion branch pipe is linked together with the air supply pipeline, and the equipartition has the dispersion hole on the gaseous dispersion branch pipe, be equipped with travel switch on the rack body, travel switch can be triggered in opening and shutting of cabinet door, and travel switch is connected with the solenoid valve electricity, the positive top of rack body is equipped with axial fan, this internal power supply unit who is the power supply of solenoid valve, travel switch and axial fan that is equipped with of rack.
Preferably, the left and right sides of rack body all is equipped with the cabinet door that the side was opened, this internal two travel switch that are equipped with of rack, and two travel switch correspond the cooperation with the cabinet door of both sides, and two travel switch all are connected with the solenoid valve electricity.
Preferably, the number of the gas dispersion branch pipes is two, and the two gas dispersion branch pipes are respectively vertically arranged on two opposite sides of the cabinet body.
Further preferably, the gas dispersion manifold is S-shaped.
The utility model discloses in still including other subassemblies that can make this rack positive pressure ventilation unit normal use, for example, be connected with compressed air feed facility on the air supply pipeline, can be air compressor machine or compressed air storage tank etc. these all belong to the conventional selection in this field. In addition, the utility model discloses in all adopt the conventional means in this field with the device or the subassembly of injecing, for example, manual stop valve, solenoid valve, travel switch, axial fan etc. all adopt conventional setting. It should be emphasized that the utility model discloses main protection rack malleation ventilation unit's structure all can realize according to prior art to the control mode between travel switch and the solenoid valve.
The utility model discloses a rack malleation ventilation unit's theory of operation includes: under the normal condition, manual stop valve is in the open mode, the solenoid valve is in the open mode when the cabinet door is closed, clean compressed air gets into the rack body by the air supply pipeline, gaseous dispersion hole dispersion to the rack is originally internal through gaseous dispersion branch pipe, axial fan is in the running state simultaneously, with the gaseous discharge in the rack body, realize this internal taking a breath of rack, ensure that this internal clean air that exists all the time of rack, it is dustless to make the inside formation of rack body, the environment of no corruption, greatly reduced rack internal control system equipment's fault rate and maintenance rate, when the cabinet door is opened, travel switch is triggered, make the solenoid valve close, make the air supply pipeline stop the gas of rack body and send, avoid gaseous extravagant.
The utility model discloses a rack malleation ventilation unit has following beneficial effect:
1. the positive-pressure ventilation device of the cabinet has the advantages of simple structure, convenient implementation, low cost and simple and convenient operation, can fully utilize the original cabinet for transformation, and can realize positive-pressure ventilation in the cabinet by only introducing the cabinet through the air source pipeline as clean compressed air in a general chemical production area, ensure the safe and stable operation of control system equipment in the cabinet, reduce the failure rate, ensure the safe production, avoid the occurrence of equipment accidents and have the value of popularization and application in devices of the same type;
2. in the positive pressure ventilation device of the cabinet, the manual stop valve is arranged on the air source pipeline and is used for connecting and disconnecting clean compressed air entering the cabinet, so that when abnormal conditions occur, the maintenance and the overhaul of facilities such as pipelines and the like installed behind the equipment are convenient;
3. the utility model discloses an among the rack malleation ventilation unit, through solenoid valve and travel switch's setting, can realize that the air supply ground is automatic to stop sending and switching, does not need artifical manual pneumatic valve that closes, avoids gaseous waste, does not influence personnel's maintenance and maintenance in the cabinet, can make rack malleation ventilation unit degree of automation higher, more is favorable to the maintenance and the maintenance in later stage, can realize automatic control and switch.
Drawings
Fig. 1 is a schematic structural diagram of the positive pressure ventilation device for a cabinet according to the embodiment (the cabinet door is in a closed state).
Fig. 2 is a schematic top view of fig. 1 (the cabinet door is in an open state).
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
Examples
As shown in fig. 1-2, a positive pressure ventilation device for a machine cabinet comprises a machine cabinet body 1 and an air source pipeline 2, wherein a cabinet door 3 is arranged on the machine cabinet body 1, a manual stop valve 4 and an electromagnetic valve 5 are sequentially arranged on the air source pipeline 2, an air outlet end of the air source pipeline 2 extends into the machine cabinet body 1, an air dispersion branch pipe 6 is arranged in the machine cabinet body 1, the air dispersion branch pipe 6 is communicated with the air source pipeline 2, dispersion holes are uniformly distributed on the air dispersion branch pipe 6, a travel switch 7 is arranged on the machine cabinet body 1, the travel switch 3 can be triggered by opening and closing of the cabinet door 3, the travel switch 3 is electrically connected with the electromagnetic valve 5, an axial flow fan 8 is arranged right at the top of the machine cabinet body 1, and a power supply device (not shown) for supplying power to the electromagnetic valve 5, the travel switch 7 and the axial flow fan 8 is arranged in the machine cabinet body 1.
The left and right sides of rack body 1 all is equipped with the cabinet door 3 that the side was opened, is equipped with two travel switch 7 in the rack body 1, and two travel switch 7 correspond the cooperation with the cabinet door 3 of both sides, and two travel switch 7 all are connected with solenoid valve 5 electricity.
The number of the gas dispersion branch pipes 6 is two, and the two gas dispersion branch pipes 6 are respectively vertically arranged on two opposite sides of the cabinet body 1. The gas dispersion manifold 6 is S-shaped.
The operating principle of the positive pressure ventilation device of the cabinet comprises the following steps: under the normal condition, manual stop valve 4 is in the open mode, solenoid valve 5 is in the open mode when cabinet door 3 closes, clear compressed air gets into cabinet body 1 by air supply pipeline 2, gaseous dispersion hole through gaseous dispersion branch pipe 6 is to cabinet body 1 in, axial fan 8 is in the running state simultaneously, with the gaseous exhaust in cabinet body 1, realize taking a breath in the cabinet body 1, guarantee to have clean air in the cabinet body 1 all the time, make the inside dustless that forms of cabinet body 1, the environment of no corrosion, the fault rate and the maintenance rate of greatly reduced cabinet internal control system equipment, when cabinet door 3 is opened, travel switch 7 is triggered, make solenoid valve 5 close, make air supply pipeline 2 stop to the gas of cabinet body 1 and send, avoid gaseous extravagant.
The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims (4)

1. The utility model provides a rack malleation ventilation unit, includes the rack body, is equipped with the cabinet door on the rack body, its characterized in that still includes the air supply pipeline, along gaseous flow direction, be equipped with manual stop valve and solenoid valve on the air supply pipeline in proper order, it is originally internal that the end of giving vent to anger of air supply pipeline extends the rack, and this internal gaseous dispersion branch pipe that is equipped with of rack, gaseous dispersion branch pipe are linked together with the air supply pipeline, and the equipartition has the dispersion hole on the gaseous dispersion branch pipe, be equipped with travel switch on the rack body, travel switch can be triggered in opening and shutting of cabinet door, and travel switch is connected with the solenoid valve electricity, be equipped with axial fan directly over the top of rack body, this internal power supply unit who is the power supply of solenoid valve, travel switch and axial fan that is equipped with of rack.
2. The cabinet positive plenum of claim 1, wherein: the left and right sides of rack body all is equipped with the cabinet door that the side was opened, this internal two travel switch that are equipped with of rack, and two travel switch correspond the cooperation with the cabinet door of both sides, and two travel switch all are connected with the solenoid valve electricity.
3. The cabinet positive plenum of claim 1, wherein: the gas dispersion branch pipe is equipped with two, and two gas dispersion branch pipes are vertical the relative both sides of locating the rack body respectively.
4. The cabinet positive plenum of claim 3, wherein: the gas dispersion branch pipe is S-shaped.
CN202120327438.6U 2021-02-04 2021-02-04 Positive-pressure ventilation device of machine cabinet Active CN214206264U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120327438.6U CN214206264U (en) 2021-02-04 2021-02-04 Positive-pressure ventilation device of machine cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120327438.6U CN214206264U (en) 2021-02-04 2021-02-04 Positive-pressure ventilation device of machine cabinet

Publications (1)

Publication Number Publication Date
CN214206264U true CN214206264U (en) 2021-09-14

Family

ID=77638984

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120327438.6U Active CN214206264U (en) 2021-02-04 2021-02-04 Positive-pressure ventilation device of machine cabinet

Country Status (1)

Country Link
CN (1) CN214206264U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116321884A (en) * 2023-05-18 2023-06-23 成都特锐泰雷兹电子应用科技有限公司 Integrated shielding cabinet

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116321884A (en) * 2023-05-18 2023-06-23 成都特锐泰雷兹电子应用科技有限公司 Integrated shielding cabinet
CN116321884B (en) * 2023-05-18 2023-08-18 成都特锐泰雷兹电子应用科技有限公司 Integrated shielding cabinet

Similar Documents

Publication Publication Date Title
CN214206264U (en) Positive-pressure ventilation device of machine cabinet
CN210219328U (en) Compressed air centralized supply system of thermal power plant with double-pressure double-mother pipe
CN213542084U (en) Gas mixing system for high-concentration gas and low-concentration gas
CN112178460A (en) High-low concentration gas mixing system and gas mixing process control method thereof
CN220488922U (en) Special gas delivery distribution box
CN210979351U (en) Container grid supply system for conveying special gas
CN208090318U (en) A kind of full-automatic special liquid supply cabinet
CN215215763U (en) Recovery processing device of coke oven gas clean system tail gas
CN215522887U (en) Intelligent gas pressure regulating system
CN201155662Y (en) Coal gas explosion-proof rapid purging device
CN212842913U (en) Atmosphere furnace cooling pipeline system
CN211199258U (en) Blast furnace top charging bucket pressure-equalizing coal gas full-recovery system
CN211199128U (en) Oil gas recovery device with online detector
CN221754683U (en) Oxyhydrogen supply device for continuous casting flame cutting
CN201106056Y (en) Multifunctional multidirectional intelligent air supplying-dispensing device
CN210922972U (en) Novel become distribution room SF6 gas leakage on-line monitoring device
CN210379952U (en) Electric switch cabinet cooling system
CN209762727U (en) natural gas series pressure regulating valve pressure reducing device
CN221170214U (en) Air source control loop of air extraction check valve
CN220169601U (en) Air treatment unit for class A closed workshop
CN217423528U (en) Positive pressure ventilation system of explosion-proof door hopper
CN214172417U (en) Air conditioning system of anti-explosion control room
CN216871088U (en) Integrated explosion-proof positive pressure controller
CN216878688U (en) Emergent auto-change over device of PCB exhaust-gas treatment
CN220132259U (en) Steelmaking converter gas recovery device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant