CN2082449U - Valve electromagnet with overheating protection and warning functions - Google Patents
Valve electromagnet with overheating protection and warning functions Download PDFInfo
- Publication number
- CN2082449U CN2082449U CN 91201111 CN91201111U CN2082449U CN 2082449 U CN2082449 U CN 2082449U CN 91201111 CN91201111 CN 91201111 CN 91201111 U CN91201111 U CN 91201111U CN 2082449 U CN2082449 U CN 2082449U
- Authority
- CN
- China
- Prior art keywords
- electromagnet
- valve
- coil
- relay
- overheating protection
- 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.)
- Withdrawn
Links
- 238000013021 overheating Methods 0.000 title abstract description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- -1 papermaking Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a valve electromagnet with overheating protection and warning functions, which is characterized in that a temperature relay is installed near an electromagnet coil in the casing of a dry-type electromagnet, and the common contact of the relay is connected in series with the coil. The disadvantage of usually burning out the electromagnet coil because the attracting force of the electromagnet and the counter force of the valve can not be well-matched is solved; simultaneously, the advantages of simple structure of the alternating current electromagnet valve, fast attracting and releasing of the action, convenient power supply and low cost are kept. A low-priced electronic conducting wire circuit is added, so the defect of damaging the electromagnet coil because of the overheating is overcome, and meanwhile, warning function for abnormal valve working is added.
Description
The utility model relates to the device of various hydraulic valves, the overtemperature protection of water valve usefulness electromagnet.
Existing alternating current electromagnetic valve is because simple in structure, the switch motion adhesive, discharges soon, and numerous advantages that power supply is convenient, with low cost have many consumers, but dependability are relatively poor, have a strong impact on and apply.The main cause of poor reliability is that electromagnet coil burns.Cause this class failure cause often because the counter-force of electromagnet suction and valve can not matched well, finally cause alternating electromagnet to lose efficacy.The undesired electromagnetic force that influences of power supply, the reaction factors that influences valve is a lot, as factors such as the machining accuracy of valve body and guiding valve, fit clearance, roughness, and in actual use, the temperature of fluid, viscosity, cleannes, inlet pressure, flow etc., the counter-force of valve is changed, under certain condition, electromagnet is broken down.This class fault is more common in hydraulic buttery valve, washing machine drainage electromagnetically operated valve etc., and this breakdown maintenance rate is very high, causes the waste of financial resource and material resource, and the reason of searching this class fault simultaneously also exists some difficulties.
Task of the present utility model is a kind of valve control electromagnet with overtemperature protection and warning function of design; make at electromagnetic attraction during less than the counter-force of valve; automatically protecting before electromagnet coil surpasses the temperature rise limit value reports to the police simultaneously tells user's valve operation irregularity, with timely replacing electromagnetically operated valve with find out failure cause.
The scheme that solves is to adopt a kind of small-sized sealing temperature relay of cheapness to be used for the overtemperature protection of electromagnetically operated valve coil, temperature relay is installed near the electromagnet coil in the air-gap solenoid housing contact commonly used and the coil tandem of this relay.When electromagnetically operated valve breaks down, cause the electromagnet temperature to raise, before not reaching the temperature rise limit value, coil power is cut off in the temperature relay action rapidly, to reach the purpose of protection electromagnet coil.According to the connection of lug plate, another contact (often opening) is connected, the driven for emitting lights diode is reported to the police and is told user's valve operation irregularity.
Specify structural shape of the present utility model and execution mode thereof with reference to accompanying drawing:
Fig. 1 is the alternating current electromagnetic valve that has overtemperature protection;
Fig. 2 is overtemperature protection, warning electronic circuit.
As shown in Figure 1, armature 1, static iron core 2 are arranged in the shell 6, be contained in the coil 3 on the static iron core 2, temperature relay 4 is fixed on the magazine 5.Light-emitting diode is inlaid on the shell 6.
As shown in Figure 2, temperature relay 4 is often left joint connect, be connected in series with the light-emitting diode warning circuit and will often drive joint with electromagnet coil 3.
Remarkable advantage of the present utility model is a maximum disadvantage of having abandoned dry type switching regulator alternating electromagnet; can protect electromagnet coil to exempt from cause thermal damage after adding cheap electronic devices and components; can in time tell user's valve operation irregularity again, be convenient in time change and find out failure cause.Therefore significant as fault detect in bigger hydraulic system.Kept simultaneously that alternating current electromagnetic valve is simple in structure, the action adhesive, discharged numerous advantages fast, that power supply is convenient, with low cost.
The utility model is widely used in using in the hydraulic system overtemperature protection of alternating current electromagnetic valve, water valve and air valve electromagnet.According to the temperature rise limit value of the class of insulation of electromagnet coil, select temperature relay near this limiting temperature value to adapt to the protection of different insulative grade electromagnet coil.
According to this explanation; behind value engineering analysis; select to produce various hydraulic valves, water valve, air valve as using object; also can be widely used in the robot control system(RCS) of departments such as industry such as chemical industry, electric power, machinery, chemical fertilizer, papermaking, medicine, printing and dyeing and environmental protection, can implement the utility model well.
Claims (2)
1, a kind of valve control electromagnet, comprise shell [6], armature [1], static iron core [2], be contained in the coil [3] on the static iron core, a near temperature relay of installation [4] that it is characterized in that coil [3], the normally closed interlock of relay and coil tandem, the normally open contact of relay then is connected in series with circuit of LED.
2, valve control electromagnet according to claim 1 is characterized in that temperature relay (4) is installed on the magazine (5); Light-emitting diode then is inlaid on the shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91201111 CN2082449U (en) | 1991-01-18 | 1991-01-18 | Valve electromagnet with overheating protection and warning functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91201111 CN2082449U (en) | 1991-01-18 | 1991-01-18 | Valve electromagnet with overheating protection and warning functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2082449U true CN2082449U (en) | 1991-08-07 |
Family
ID=4911928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91201111 Withdrawn CN2082449U (en) | 1991-01-18 | 1991-01-18 | Valve electromagnet with overheating protection and warning functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2082449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781738A (en) * | 2020-12-30 | 2021-05-11 | 北京利德华福电气技术有限公司 | Detection circuit for temperature of transformer winding |
-
1991
- 1991-01-18 CN CN 91201111 patent/CN2082449U/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781738A (en) * | 2020-12-30 | 2021-05-11 | 北京利德华福电气技术有限公司 | Detection circuit for temperature of transformer winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |