CN203374938U - Explosion-proof solenoid valve coil - Google Patents
Explosion-proof solenoid valve coil Download PDFInfo
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- CN203374938U CN203374938U CN201320445444.7U CN201320445444U CN203374938U CN 203374938 U CN203374938 U CN 203374938U CN 201320445444 U CN201320445444 U CN 201320445444U CN 203374938 U CN203374938 U CN 203374938U
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- coil
- nut
- explosion
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Abstract
The utility model provides an explosion-proof solenoid valve coil, and relates to the technical field of solenoid valves. A protection nut of the explosion-proof solenoid valve coil is connected to the outer side of a cable in a sleeved mode, the cable is respectively connected with a circuit board and a grounding piece, a rubber mat is arranged on one side of the protection nut, and the protection nut is installed on a cover. A pressing plate is installed on the cover through a grounding nut, a magnetism conduction frame is encapsulated in the cover through inflaming retarding encapsulation agents resistant to high temperature and low temperature, the coil is installed inside the magnetism conduction frame, a coil terminal is connected with the coil, the coil is provided with a wire rack, and a bottom plate adheres to the bottom of the cover through the inflaming retarding encapsulation agents resistant to the high temperature and the low temperature. According to the explosion-proof solenoid valve coil, the reaction speed can be increased. In addition, the reaction speed is high in reliability and long in service life, and can not be aged easily.
Description
Technical field:
The utility model relates to the Solenoid Valve Technology field, is specifically related to a kind of Antiexplosive electromagnetic valve coil.
Background technique:
The work of solenoid valve is mainly realized by the switching electricity of electromagnetic coil, and in the process of electromagnetic coil power on/off, if do not take measures, spark by its generation is inflammable with regard to easily lighting, explosion hazard gases and cause casualty accident, so require the electrical equipment of working in explosive gas atmosphere is arranged, there is explosion prevention function, and working stability, reliable.
The patent No. 93221764.8 " a kind of explosion-proof solenoid valve ", the patent No. 200420020455.1 " Antiexplosive electromagnetic valve coil " just provide a kind of solenoid valve of embedding structure, use epoxy resin encapsulated in box explosion-proof coil, the spark of generation is stopped up and puts out, stop spark to leak.The piezoresistance of its use, and the piezoresistance reaction velocity is slower, is the ns level; The reliability of piezoresistance is poor, and easily aging, working life is shorter.
The model utility content:
The purpose of this utility model is to provide a kind of Antiexplosive electromagnetic valve coil, and it can improve reaction velocity, and reliability is high, be difficult for aging, long service life.
In order to solve the existing problem of background technique, the utility model is to adopt following technological scheme: it comprises cable 1, protective nut 2, case 3, rubber pad 4, grounding nut 5, pressing plate 6, coil terminals 7, circuit board 8, coil holder 9, magnetic guiding frame 10, coil 13, base plate 15, earth tag 16, protective nut 2 is socketed in the outside of cable 1, cable 1 respectively with circuit board 8, earth tag 16 connects, one side of protective nut 2 is provided with rubber pad 4, protective nut 2 is arranged on case 3, pressing plate 6 is arranged on case 3 by grounding nut 5, magnetic guiding frame 10 waters and is enclosed in case 3 by the fire-retardant encapsulation agent 14 of high-low temperature resistant, coil 13 is installed in magnetic guiding frame 10, coil terminals 7 is connected with coil 13, be provided with coil holder 9 on coil 13, base plate 15 is bonded in the bottom of case 3 by the fire-retardant encapsulation agent 14 of high-low temperature resistant.
Described protective nut 2 is with externally threaded protective nut.
Be provided with fuse device 11, transient voltage suppressor diode 12 on described circuit board 8, fuse device 11 is connected in series with coil 13, and transient voltage suppressor diode 12 is attempted by coil 13 two ends.
The wire outlet of described case 3 has designed is with 1/2 externally threaded interface; Make the user when mounted can cable outside cover load onto metal tube or other Frpipe of certain protective action, reach the purpose of sealing elastic cable paper, stop potential safety hazard, make the Safety performance of product that the raising of larger amplitude be arranged.
Working principle of the present utility model is: source current is input to circuit board 8 by cable 1 through the input wires hole, supplies with coil terminals 7 electric currents of coil 13 by the output connection hole of circuit board 8 through fuse device 11, makes coil 13 normal operations.When the voltage rating of coil 13 because the various situations such as thunderbolt, misphase cause that voltage is unexpected when too high, the characteristic of transient voltage suppressor diode 12 can approach short-circuit condition moment, the induction electromotive force at coil 13 two ends is played to the effect of shunting, dividing potential drop, control coil 13 is because the overvoltage generation is burnt, arcing effectively.And be serially connected with in the line fuse device 11; when the above-mentioned situation of generation makes coil 13 fault overcurrent; fuse device 11 open circuit deenergizations; control fault and enlarge and produce electrical spark, so fuse device 11 and transient voltage suppressor diode 12 can play dual effective protective action in circuit is explosion-proof.
The utlity model has following beneficial effect:
One, the nonlinear characteristics of transient voltage suppressor diode is the same with voltage-stabiliser tube, puncture front leakage current very little, be the stabilizing voltage characteristic of standard after puncturing, compared with piezoresistance, come the maximum clamping voltage of transient voltage suppressor diode to depart from breakdown voltage less, be better than piezoresistance.
Two, from reaction velocity, the reaction velocity of transient voltage suppressor diode is very fast, is the ps level.
Three, the reliability of transient voltage suppressor diode is high, be difficult for aging, long service life.
The accompanying drawing explanation:
Fig. 1 is structural representation of the present utility model,
The circuti diagram that Fig. 2 is circuit board 8 in the utility model,
The assembling schematic diagram that Fig. 3 is circuit board 8 in the utility model.
Embodiment:
Referring to Fig. 1-Fig. 3, this embodiment adopts following technological scheme: it comprises cable 1, protective nut 2, case 3, rubber pad 4, grounding nut 5, pressing plate 6, coil terminals 7, circuit board 8, coil holder 9, magnetic guiding frame 10, coil 13, base plate 15, earth tag 16, protective nut 2 is socketed in the outside of cable 1, cable 1 respectively with circuit board 8, earth tag 16 connects, one side of protective nut 2 is provided with rubber pad 4, protective nut 2 is arranged on case 3, pressing plate 6 is arranged on case 3 by grounding nut 5, magnetic guiding frame 10 waters and is enclosed in case 3 by the fire-retardant encapsulation agent 14 of high-low temperature resistant, coil 13 is installed in magnetic guiding frame 10, coil terminals 7 is connected with coil 13, be provided with coil holder 9 on coil 13, base plate 15 is bonded in the bottom of case 3 by the fire-retardant encapsulation agent 14 of high-low temperature resistant.
Described protective nut 2 is with externally threaded protective nut.
Be provided with fuse device 11, transient voltage suppressor diode 12 on described circuit board 8, fuse device 11 is connected in series with coil 13, and transient voltage suppressor diode 12 is attempted by coil 13 two ends.
The wire outlet of described case 3 has designed is with 1/2 externally threaded interface; Make the user when mounted can cable outside cover load onto metal tube or other Frpipe of certain protective action, reach the purpose of sealing elastic cable paper, stop potential safety hazard, make the Safety performance of product that the raising of larger amplitude be arranged.
The working principle of this embodiment is: source current is input to circuit board 8 by cable 1 through the input wires hole, supplies with coil terminals 7 electric currents of coil 13 by the output connection hole of circuit board 8 through fuse device 11, makes coil 13 normal operations.When the voltage rating of coil 13 because the various situations such as thunderbolt, misphase cause that voltage is unexpected when too high, the characteristic of transient voltage suppressor diode 12 can approach short-circuit condition moment, the induction electromotive force at coil 13 two ends is played to the effect of shunting, dividing potential drop, control coil 13 is because the overvoltage generation is burnt, arcing effectively.And be serially connected with in the line fuse device 11; when the above-mentioned situation of generation makes coil 13 fault overcurrent; fuse device 11 open circuit deenergizations; control fault and enlarge and produce electrical spark, so fuse device 11 and transient voltage suppressor diode 12 can play dual effective protective action in circuit is explosion-proof.
This embodiment has following beneficial effect:
One, the nonlinear characteristics of transient voltage suppressor diode is the same with voltage-stabiliser tube, puncture front leakage current very little, be the stabilizing voltage characteristic of standard after puncturing, compared with piezoresistance, come the maximum clamping voltage of transient voltage suppressor diode to depart from breakdown voltage less, be better than piezoresistance.
Two, from reaction velocity, the reaction velocity of transient voltage suppressor diode is very fast, is the ps level.
Three, the reliability of transient voltage suppressor diode is high, be difficult for aging, long service life.
This embodiment has multiple protective, and explosion-proof performance is good, uses safer; reliable high; can coordinate and be assembled into explosion-proof solenoid valve with the iron core of various different structures, valve seat etc. as required, both enlarge using scope, be convenient to again maintenance and the transposing of electrical equipment.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. an Antiexplosive electromagnetic valve coil, it is characterized in that it comprises cable (1), protective nut (2), case (3), rubber pad (4), grounding nut (5), pressing plate (6), coil terminals (7), circuit board (8), coil holder (9), magnetic guiding frame (10), coil (13), base plate (15), earth tag (16), protective nut (2) is socketed in the outside of cable (1), cable (1) respectively with circuit board (8), earth tag (16) connects, one side of protective nut (2) is provided with rubber pad (4), protective nut (2) is arranged on case (3), pressing plate (6) is arranged on case (3) by grounding nut (5), magnetic guiding frame (10) waters and is enclosed in case (3) by the fire-retardant encapsulation agent (14) of high-low temperature resistant, coil (13) is installed in magnetic guiding frame (10), coil terminals (7) is connected with coil (13), be provided with coil holder (9) on coil (13), base plate (15) is bonded in the bottom of case (3) by the fire-retardant encapsulation agent (14) of high-low temperature resistant.
2. a kind of Antiexplosive electromagnetic valve coil according to claim 1, is characterized in that described protective nut (2) is with externally threaded protective nut.
3. a kind of Antiexplosive electromagnetic valve coil according to claim 1, it is characterized in that on described circuit board (8) being provided with fuse device (11), transient voltage suppressor diode (12), fuse device (11) is connected in series with coil (13), and transient voltage suppressor diode (12) is attempted by coil (13) two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445444.7U CN203374938U (en) | 2013-07-25 | 2013-07-25 | Explosion-proof solenoid valve coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320445444.7U CN203374938U (en) | 2013-07-25 | 2013-07-25 | Explosion-proof solenoid valve coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374938U true CN203374938U (en) | 2014-01-01 |
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ID=49837467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320445444.7U Expired - Fee Related CN203374938U (en) | 2013-07-25 | 2013-07-25 | Explosion-proof solenoid valve coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374938U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090335A (en) * | 2016-08-25 | 2016-11-09 | 湖北三江航天红峰控制有限公司 | A kind of by-pass valve |
| CN106246987A (en) * | 2016-08-16 | 2016-12-21 | 张小高 | A kind of new type explosion proof electromagnetic valve |
| WO2017181084A1 (en) * | 2016-04-15 | 2017-10-19 | Eaton Corporation | Vapor impermeable solenoid for fuel vapor environment |
| CN109780302A (en) * | 2019-01-20 | 2019-05-21 | 余姚市仪表四厂 | A kind of explosion-proof coil of pouring type low temperature |
-
2013
- 2013-07-25 CN CN201320445444.7U patent/CN203374938U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017181084A1 (en) * | 2016-04-15 | 2017-10-19 | Eaton Corporation | Vapor impermeable solenoid for fuel vapor environment |
| US10895223B2 (en) | 2016-04-15 | 2021-01-19 | Eaton Corporation | Vapor impermeable solenoid for fuel vapor environment |
| US11268480B2 (en) | 2016-04-15 | 2022-03-08 | Eaton Intelligent Power Limited | Vapor impermeable solenoid for fuel vapor environment |
| CN106246987A (en) * | 2016-08-16 | 2016-12-21 | 张小高 | A kind of new type explosion proof electromagnetic valve |
| CN106090335A (en) * | 2016-08-25 | 2016-11-09 | 湖北三江航天红峰控制有限公司 | A kind of by-pass valve |
| CN109780302A (en) * | 2019-01-20 | 2019-05-21 | 余姚市仪表四厂 | A kind of explosion-proof coil of pouring type low temperature |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20180725 |