CN113063020A - Travel switch of magnetic adsorption type pneumatic diaphragm valve - Google Patents
Travel switch of magnetic adsorption type pneumatic diaphragm valve Download PDFInfo
- Publication number
- CN113063020A CN113063020A CN202110455299.XA CN202110455299A CN113063020A CN 113063020 A CN113063020 A CN 113063020A CN 202110455299 A CN202110455299 A CN 202110455299A CN 113063020 A CN113063020 A CN 113063020A
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- China
- Prior art keywords
- travel switch
- pneumatic diaphragm
- diaphragm valve
- magnet
- valve
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Fluid-Driven Valves (AREA)
Abstract
The invention belongs to the technical field of pneumatic diaphragm valves, and particularly relates to a travel switch of a magnetic adsorption type pneumatic diaphragm valve. The invention can freely take down the valve travel switch at any time when the valve needs to be overhauled or the action state of the spring is observed, thereby ensuring the normal use of EG6B41J-10 or HG6K41J-10 type pneumatic diaphragm valves, realizing the sequential control function by the PLC program control system, greatly lightening the labor intensity of workers and realizing the full-flow closed-loop automatic regulation and program control functions.
Description
Technical Field
The invention belongs to the technical field of pneumatic diaphragm valves, and particularly relates to a travel switch of a magnetic adsorption type pneumatic diaphragm valve.
Background
The travel switch is a main operation part of the pneumatic diaphragm valve, the pneumatic valve switch controlled by the program control system mainly lights a corresponding analog lamp by a feedback signal of the travel switch to reflect the valve position state, for EG6B41J-10 or HG6K41J-10 type pneumatic diaphragm valves, a travel switch main body with a negative pole is fixed on a valve tightening spring cover body, a magnetic slider with a positive pole is fixed at the end part of a spring, the reciprocating motion is generated along with the compression and the opening of a pneumatic valve switch spring, so that the positive magnetic slider is contacted with the negative travel switch body to generate an electromagnetic field to light the analog lamp, and an analog quantity signal is sent to a lower computer of the program control system to realize the switching of the pneumatic valve, because the travel switch main body is fixed on the valve tightening spring cover, but the travel switch must be dismounted when the pneumatic valve needs to be overhauled or the spring position is observed, the work often happens and the dismounting of the fixing bolt of the travel switch and the spring cover is, according to the invention, a travel switch back plate is fixedly arranged on the spring cover according to the actual size of the valve spring cover by utilizing the magnet adsorption principle, 4 strong magnets are arranged at four corners of a travel switch body, so that the adsorption property of the travel switch is greatly increased, the travel switch adsorbed by the strong magnets is adopted to ensure that a PLC program control system realizes a sequential control function, the manual labor intensity is greatly reduced, the full-flow closed-loop automatic regulation and program control functions are realized, the valve travel switch can be freely taken down at any time when the valve needs to be overhauled or the action state of the spring is observed, the valve position condition can be timely known by observing the valve position change under the visual state according to the state of a contact lamp bead, the equipment accident caused by misoperation is avoided, and the normal use of the EG6B41J-10 or HG6K 41J-10.
Disclosure of Invention
The invention provides a stroke switch of a magnetic adsorption type pneumatic diaphragm valve, aiming at freely taking down the valve stroke switch at any time when the valve needs to be overhauled or the action state of a spring is observed, and ensuring the normal use of an EG6B41J-10 or HG6K41J-10 type pneumatic diaphragm valve.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a travel switch of pneumatic diaphragm valve of magnetic adsorption formula, includes backplate and travel switch body, and the backplate passes through screw fixed connection on pneumatic diaphragm valve's dustcoat, and the four corners of travel switch body is equipped with powerful magnet, and the travel switch body adsorbs on the backplate through four powerful magnet, is equipped with the stroke track on the travel switch body, is equipped with the magnet connecting rod in the stroke track, and the magnet connecting rod is in the same place with pneumatic diaphragm valve's spring coupling, is equipped with the magnet on the magnet connecting rod.
Furthermore, the upper end and the lower end of the travel switch body are respectively provided with a control circuit contact device, and the control circuit contact devices are in electromagnetic contact with the magnet.
Furthermore, a contact lamp bead is arranged on the control circuit contact device.
Furthermore, an organic glass lampshade is arranged on the travel switch body and covers the travel track.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the back plate is fixed on the pneumatic diaphragm valve through the screws, and the travel switch body is adsorbed on the back plate through the strong magnet, so that the travel switch can be rapidly disassembled and assembled, the problem that the travel switch is damaged during maintenance operation and daily observation of the internal condition of the valve is avoided, the failure rate of the travel switch is effectively reduced, and the accuracy of the pneumatic diaphragm valve in operation is improved.
When the pneumatic diaphragm valve is switched, the reciprocating magnet is consistent with the expansion amount of the spring, the reciprocating magnet is contacted with the upper control circuit contact device when moving to the upper part, the control circuit is ensured to receive electromagnetic signals and feed back the electromagnetic signals to the electromagnetic valve and the terminal upper computer, the switching instruction of the program control logic system is ensured to be accurate, the accuracy of man-machine conversation is ensured, the misoperation of personnel is reduced, the reciprocating magnet is contacted with the lower control circuit contact device when moving to the lower part, the control circuit is ensured to receive electromagnetic signals and feed back the electromagnetic signals to the electromagnetic valve and the terminal upper computer, the reciprocating magnet is driven by the movement of the valve spring, and the terminal upper computer is ensured to receive current signals and drive the valve electromagnetic valve to control the pneumatic diaphragm valve to feed and discharge compressed air, so that the pneumatic diaphragm valve. The sequential control function of the PLC program control system is realized, and the reliability of the program control system is also improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a magnetic adsorption type pneumatic diaphragm valve;
FIG. 2 is a schematic structural diagram of a travel switch of a magnetic adsorption pneumatic diaphragm valve;
fig. 3 is a schematic view of a light-emitting state of a contact bead of a travel switch of the magnetic adsorption type pneumatic diaphragm valve.
Wherein: 1-a housing; 2-a back plate; 3-a magnet; 4-a travel switch body; 5-a magnet; 6-a magnet linkage; 7-control circuit contact means; 8-contact lamp beads; 9-organic glass lampshade.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, 2 and 3, a travel switch of pneumatic diaphragm valve of magnetic adsorption formula, including backplate 2 and travel switch body 4, backplate 2 passes through screw fixed connection on dustcoat 1 of pneumatic diaphragm valve, the four corners of travel switch body 4 is equipped with magnet 3, travel switch body 4 adsorbs on backplate 2 through four magnet 3, be equipped with the stroke track on the travel switch body 4, be equipped with magnet connecting rod 6 in the stroke track, magnet connecting rod 6 is in the same place with the spring coupling of pneumatic diaphragm valve, be equipped with magnet 5 on the magnet connecting rod 6.
The upper end and the lower end of the travel switch body 4 are respectively provided with a control circuit contact device 7, the control circuit contact devices 7 are in electromagnetic contact with the magnet 5, and the control circuit contact devices 7 are provided with contact lamp beads 8.
An organic glass lampshade 9 is also arranged on the travel switch body 4, and the organic glass lampshade 9 covers the travel track.
The working principle is as follows:
the travel switch body 4 and the back plate 2 are connected by the magnet 3, so that the travel switch can be rapidly disassembled and assembled, the problem that the travel switch is damaged during maintenance operation and daily observation of the internal condition of the valve is solved, the fault rate of the travel switch is effectively reduced, and the accuracy of the pneumatic diaphragm valve during operation is improved.
When the pneumatic diaphragm valve is used, when compressed air is pumped into and discharged from the pneumatic diaphragm valve, the spring drives the magnet connecting rod 6 to move up and down, the magnet 5 on the magnet connecting rod 6 reciprocates up and down to be contacted with the circuit control contact device 7, the magnet 5 reciprocates to be switched on and off with the control circuit contact device 7, the control circuit contact device 7 of the travel switch senses the displacement of the reciprocating magnet and sends a current signal to the terminal upper computer, and the pneumatic valve switch is ensured to be operated correctly. The full-flow closed-loop automatic regulation and program control functions of the PLC program control system are realized.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (4)
1. The utility model provides a travel switch of pneumatic diaphragm valve of magnetic adsorption formula which characterized in that: including backplate (2) and travel switch body (4), backplate (2) pass through screw fixed connection on dustcoat (1) of pneumatic diaphragm valve, the four corners of travel switch body (4) is equipped with magnet (3), travel switch body (4) adsorb on backplate (2) through four magnet (3), be equipped with the stroke track on travel switch body (4), be equipped with magnet connecting rod (6) in the stroke track, magnet connecting rod (6) are in the same place with the spring coupling of pneumatic diaphragm valve, be equipped with magnet (5) on magnet connecting rod (6).
2. The travel switch of a magnetically attracted pneumatic diaphragm valve of claim 1, wherein: the upper end and the lower end of the travel switch body (4) are respectively provided with a control circuit contact device (7), and the control circuit contact devices (7) are in electromagnetic contact with the magnet (5).
3. The travel switch of a magnetically attracted pneumatic diaphragm valve of claim 2, wherein: and a contact lamp bead (8) is arranged on the control circuit contact device (7).
4. The travel switch of the magnetically attracted pneumatic diaphragm valve of claim 1 or 2, wherein: still be equipped with organic glass lamp shade (9) on travel switch body (4), organic glass lamp shade (9) cover is established on the stroke track.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455299.XA CN113063020A (en) | 2021-04-26 | 2021-04-26 | Travel switch of magnetic adsorption type pneumatic diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110455299.XA CN113063020A (en) | 2021-04-26 | 2021-04-26 | Travel switch of magnetic adsorption type pneumatic diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113063020A true CN113063020A (en) | 2021-07-02 |
Family
ID=76567721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110455299.XA Pending CN113063020A (en) | 2021-04-26 | 2021-04-26 | Travel switch of magnetic adsorption type pneumatic diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113063020A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB853396A (en) * | 1957-12-26 | 1960-11-09 | Jean Faure Herman | Improvements in electromagnetic fluid control valves |
| FR2590696A1 (en) * | 1985-11-25 | 1987-05-29 | Bosch Gmbh Robert | Thermostatic on=off gas control valve |
| CN202178209U (en) * | 2011-08-19 | 2012-03-28 | 山东东华水泥有限公司 | Heatproof stroke switch |
| CN205656973U (en) * | 2016-05-24 | 2016-10-19 | 江苏兰格特自动化设备有限公司 | A limit switch for valve actuator |
| CN207883536U (en) * | 2018-03-19 | 2018-09-18 | 山东省产品质量检验研究院 | A kind of simple travel switch of assembly |
| CN208703244U (en) * | 2018-07-28 | 2019-04-05 | 山西金驹煤电化股份有限公司 | A kind of pneumatic diaphragm valve being able to achieve signal reparation |
| CN209071235U (en) * | 2018-09-25 | 2019-07-05 | 扬州沃德电气有限公司 | A kind of protection against electric shock control and protective switching device |
-
2021
- 2021-04-26 CN CN202110455299.XA patent/CN113063020A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB853396A (en) * | 1957-12-26 | 1960-11-09 | Jean Faure Herman | Improvements in electromagnetic fluid control valves |
| FR2590696A1 (en) * | 1985-11-25 | 1987-05-29 | Bosch Gmbh Robert | Thermostatic on=off gas control valve |
| CN202178209U (en) * | 2011-08-19 | 2012-03-28 | 山东东华水泥有限公司 | Heatproof stroke switch |
| CN205656973U (en) * | 2016-05-24 | 2016-10-19 | 江苏兰格特自动化设备有限公司 | A limit switch for valve actuator |
| CN207883536U (en) * | 2018-03-19 | 2018-09-18 | 山东省产品质量检验研究院 | A kind of simple travel switch of assembly |
| CN208703244U (en) * | 2018-07-28 | 2019-04-05 | 山西金驹煤电化股份有限公司 | A kind of pneumatic diaphragm valve being able to achieve signal reparation |
| CN209071235U (en) * | 2018-09-25 | 2019-07-05 | 扬州沃德电气有限公司 | A kind of protection against electric shock control and protective switching device |
Non-Patent Citations (1)
| Title |
|---|
| 解胜利: "《自动化仪表选型手册》", 31 July 1990, 中国国际广播出版社（北京） * |
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Application publication date: 20210702 |
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