CN104251947A - Electromagnetic coil fault diagnosis device - Google Patents
Electromagnetic coil fault diagnosis device Download PDFInfo
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- CN104251947A CN104251947A CN201410421314.9A CN201410421314A CN104251947A CN 104251947 A CN104251947 A CN 104251947A CN 201410421314 A CN201410421314 A CN 201410421314A CN 104251947 A CN104251947 A CN 104251947A
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- 238000003745 diagnosis Methods 0.000 title abstract description 7
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 4
- 230000005669 field effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004378 air conditioning Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention relates to an electromagnetic coil fault diagnosis device and particularly relates to the electromagnetic coil fault diagnosis device for an automotive air conditioning, a sound box and an electromagnetic fan clutch for radiating a water tank. The electromagnetic coil fault diagnosis device comprises a protection module 3, at least one function detection module, a power supply indication and signal detection module, a voltage reference module and a voltage base module, wherein the function detection module, the power supply indication and signal detection module, the voltage reference module and the voltage base module are connected in parallel by a power line and are connected with an output power supply anode and a power supply cathode; the protection module is connected with the power supply anode in series and is arranged in front of the function detection module and the voltage base module. Compared with the prior art, the electromagnetic coil fault diagnosis device has the characteristics that the working state of electromagnetic coils is automatically diagnosed, and early warning and displaying of working conditions can be accurately carried out in time, so that drivers and maintenance personnel can clearly know the conditions.
Description
Technical field
The present invention relates to solenoid trouble-shooter, particularly a kind of for the solenoid trouble-shooter in the electromagnetic fan clutch of air conditioning for automobiles, sound equipment and feed-tank heat radiation.
Technical background
Along with the fast development of Domestic Automotive Industry, all kinds of electrical system importance in the car becomes increasingly conspicuous.In the electromagnetic fan clutch of such as air conditioning for automobiles, automobile audio and feed-tank heat radiation, solenoid is indispensable.And due to specified conditions such as its high ambient temperatures, sealing, high rotating speeds, make the testing of product abnormal loaded down with trivial details, and higher requirement is proposed to the technical merit of testing staff.Therefore, the maximum shortcoming of artificial maintenance is that efficiency is low, inaccurate, and the problems such as easy generation is served not in time, erroneous judgement, and lost labor, work efficiency is low.
Summary of the invention
For above the deficiencies in the prior art, the invention provides a kind of solenoid trouble-shooter, its object is to carry out automatic diagnosis to the duty of solenoid, and in time, exactly its working condition is carried out early warning, display, make driving, maintenance personal is able to clearly.
For this reason, technical scheme provided by the invention is: a kind of solenoid trouble-shooter, comprise protection module 3, at least one function detection module 1, power supply instruction and signal detection module 5, voltage reference module 6, voltage basic module 4, wherein function detection module 1, power supply instruction and signal detection module 5, voltage reference module 6, voltage basic module 4 be connected in parallel by power lead and with respectively with external positive source 17, power cathode 16 is connected, protection module 3 and positive source 17 are connected in series and are positioned at function detection module 1, before voltage basic module 4, described function detection module 1 comprises solenoid failure indication module 7, solenoid driver module 8, protection circuit 9, current signal detecting module 10, current failure indicating module 11, solenoid 12, described voltage basic module 4 provides voltage reference signal to current signal detecting module 10, wherein solenoid failure indication module 7, solenoid driver module 8 composes in parallel solenoid detecting fault unit, solenoid 12, protection circuit 9 composes in parallel solenoid unit, current signal detecting module 10, current failure indicating module 11 composes in parallel current failure detecting unit, wherein the comparative voltage signal wire 13 of current signal detecting module 10 is connected with the burning voltage signal wire 14 of voltage basic module 4, the neutral voltage signal wire 15 of current signal detecting module 10 is connected with power cathode 16, solenoid detecting fault unit, composition solenoid unit, current failure detecting unit is connected in series.
The technical program can be optimized for, and function detection module 1 is two.
On the above basis optimized, can be optimized to described voltage reference module 6 further can be the circuit be made up of voltage stabilizing diode, resistance, electric capacity, also can be by the circuit of three-terminal voltage-stabilizing module composition, can also be the circuit be made up of through overcommutation, filtering, voltage stabilizing transformer, power supply instruction and signal detection module 5 current-limiting resistance and light emitting diode circuit in series.
Described solenoid failure indication module 7 can also be optimized for be composed in series by current-limiting resistance and light emitting diode, solenoid driver module 8 is made up of switch, protection circuit 9 is made up of the diode of solenoid 12 reverse parallel connection, current signal detecting module 10 is composed in series by electromagnetic inductor, current failure indicating module 11 is composed in series by current-limiting resistance and light emitting diode.
Can also be optimized for described switch is further triode, and wherein emitter is connected with solenoid 12, and current collection level is connected with positive source, and base stage is connected with external control signal source by starting control signal wire 18.
Also can be optimized for switch is field effect transistor, and wherein drain electrode is connected with solenoid 12, and source electrode is connected with positive source, and grid is connected with external control signal source by starting control signal wire 18.
Can also be optimized to described switch is mechanical switch, and switch one end connects positive source 17 or power cathode 16, other end connection solenoid 12.
Also can be optimized to described switch is relay, contactor, and switch ends connects power cathode 16 and solenoid 12 respectively, and the startup control signal wire 18 of relay, contactor is connected with external control signal source.
Further described electromagnetic inductor can be current transformer, current sensor or shunt, and described protection module 3 can be fuse, one or more strings in self-healing fuse, TVS pipe, stabilivolt, snowslide pipe or compose in parallel.
Also can be optimized to described voltage basic module 4 to be further made up of three terminal regulator and filter capacitor, overcurrent protection resistance and clamp resistance, also can be made up of voltage stabilizing diode and filtering, overcurrent protection resistance and clamp resistance.
Compared with prior art, advantage of the present invention is as follows:
1. diagnostic mode is automatically detect and contrast, and save artificial, work efficiency improves, and improves working environment;
2. reliability improves;
3. reduce user's maintenance cost;
4. improve diagnosis and accuracy in detection raising.
Accompanying drawing explanation
Fig. 1 is the circuit theory schematic diagram of fet switch of the present invention;
Fig. 2 is the circuit theory schematic diagram of mechanical switch of the present invention;
Label in accompanying drawing is respectively: 1, function detection module; 3, protection module; 4, voltage basic module; 5, power supply instruction and signal detection module; 6, voltage reference module; 7, failure indication module; 8, coil drive module; 9, protection circuit; 10, current signal detecting module; 11, current failure indicating module; 12, coil; 13, comparative voltage signal wire; 14, burning voltage signal wire; 15, neutral voltage signal wire; 16, power cathode; 17, positive source; 18, control signal wire is started.
Embodiment
In order to understand better and implement, referring to Fig. 1 and embodiment, the present invention is described in further detail.
Specific embodiment 1,
A kind of solenoid trouble-shooter, comprise protection module 3, two function detection module 1, power supply instruction and signal detection module 5, voltage reference module 6, voltage basic module 4, wherein function detection module 1, power supply instruction and signal detection module 5, voltage reference module 6, voltage basic module 4 be connected in parallel by power lead and with respectively with external positive source 17, power cathode 16 is connected, protection module 3 and positive source 17 are connected in series and are positioned at function detection module 1, before voltage basic module 4, power supply instruction and signal detection module 5, after voltage reference module 6, described function detection module 1 comprises solenoid failure indication module 7, solenoid driver module 8, protection circuit 9, current signal detecting module 10, current failure indicating module 11, solenoid 12, described voltage basic module provides voltage reference signal to current signal detecting module 10, wherein solenoid failure indication module 7, solenoid driver module 8 composes in parallel solenoid detecting fault unit, solenoid 12, protection circuit 9 composes in parallel solenoid unit, current signal detecting module 10, current failure indicating module 11 composes in parallel current failure detecting unit, wherein the comparative voltage signal wire 13 of current signal detecting module 10 is connected with the burning voltage signal wire 14 of voltage basic module 4, the neutral voltage signal wire 15 of current signal detecting module 10 is connected with power cathode 16, solenoid detecting fault unit, composition solenoid unit, current failure detecting unit is connected in series.Described voltage reference module 6 is by the circuit of three-terminal voltage-stabilizing module composition, power supply instruction and signal detection module 5 current-limiting resistance and light emitting diode circuit in series.Described solenoid failure indication module 7 is composed in series by current-limiting resistance and light emitting diode, and solenoid driver module 8 is made up of switch, protection circuit 9 is made up of the diode of solenoid 12 reverse parallel connection, current signal detecting module 10 is composed in series by electromagnetic inductor, current failure indicating module 11 is composed in series by current-limiting resistance and light emitting diode.Described switch is triode, and wherein emitter is connected with solenoid 12, and current collection level is connected with positive source, and base stage is connected with external control signal source by starting control signal wire 18.Described electromagnetic inductor is current transformer, described protection module 3 fuse is composed in series.Described voltage basic module 4 is made up of three terminal regulator and filter capacitor, overcurrent protection resistance and clamp resistance.
When device external power supply occurs abnormal, the light emitting diode in power supply instruction and signal detection module 5 will be lighted, and sends alerting signal; When current signal occurs abnormal, the light emitting diode of current failure indicating module 11 will be lighted, and sends alerting signal; When solenoid 12 occurs, the light emitting diode of solenoid failure indication module 7 will be lighted, and sends alerting signal; When device electric current or voltage occur abnormal and can affect device itself safe time, the fuse in protection module 3 fuses, and plays the object of protective device.
Specific embodiment 2
Identical with specific embodiment 1, difference is: described switch is field effect transistor, and wherein drain electrode is connected with solenoid 12, and source electrode is connected with positive source, and grid is connected with external control signal source by starting control signal wire 18.Described electromagnetic inductor is current sensor, and described protection module 3TVS pipe is composed in series.Described voltage basic module 4 is made up of voltage stabilizing diode and filtering, overcurrent protection resistance and clamp resistance.
Specific embodiment 3
Identical with specific embodiment 1, difference is: described switch is mechanical switch, and switch ends connects positive source 17 and solenoid 12 respectively.Described electromagnetic inductor shunt, described protection module 3 is composed in series by stabilivolt.Described voltage basic module 4 is made up of three terminal regulator and filter capacitor, overcurrent protection resistance and clamp resistance.
Specific embodiment 4
Identical with specific embodiment 1; difference is: described switch is relay; switch ends connects power cathode 16 and solenoid 12 respectively, and the startup control signal wire 18 of relay is connected with external control signal source, and described protection module 3 is composed in series by snowslide pipe.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For the those of ordinary skill belonging to the present invention, under the prerequisite not departing from this present invention thinking, simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a solenoid trouble-shooter, comprise protection module (3), at least one function detection module (1), power supply instruction and signal detection module (5), voltage reference module (6), voltage basic module (4), wherein function detection module (1), power supply instruction and signal detection module (5), voltage reference module (6), voltage basic module (4) be connected in parallel by power lead and with respectively with external positive source (17), power cathode (16) is connected, protection module (3) and positive source (17) are connected in series and are positioned at function detection module (1), before voltage basic module (4), it is characterized in that described function detection module (1) comprises solenoid failure indication module (7), solenoid driver module (8), protection circuit (9), current signal detecting module (10), current failure indicating module (11), solenoid (12), described voltage basic module (4) provides voltage reference signal to current signal detecting module (10), wherein solenoid failure indication module (7), solenoid driver module (8) composes in parallel solenoid detecting fault unit, solenoid (12), protection circuit (9) composes in parallel solenoid unit, current signal detecting module (10), current failure indicating module (11) composes in parallel current failure detecting unit, wherein the comparative voltage signal wire (13) of current signal detecting module (10) is connected with the burning voltage signal wire (14) of voltage basic module (4), the neutral voltage signal wire (15) of current signal detecting module (10) is connected with power cathode (16), solenoid detecting fault unit, composition solenoid unit, current failure detecting unit is connected in series.
2. a kind of solenoid trouble-shooter according to claim 1, is characterized in that described function detection module (1) is two.
3. a kind of solenoid trouble-shooter according to claim 1, it is characterized in that described voltage reference module (6) is the circuit be made up of voltage stabilizing diode, resistance, electric capacity, or by the circuit of three-terminal voltage-stabilizing module composition, or the circuit to be made up of transformer, rectification module, filtration module, Voltage stabilizing module, power supply instruction and signal detection module (5) they are by current-limiting resistance and light emitting diode circuit in series.
4. a kind of solenoid trouble-shooter according to claim 3; it is characterized in that described solenoid failure indication module (7) is composed in series by current-limiting resistance and light emitting diode, solenoid driver module (8) is made up of switch, protection circuit (9) is made up of the diode with solenoid (12) reverse parallel connection, current signal detecting module (10) is composed in series by electromagnetic inductor, current failure indicating module (11) is composed in series by current-limiting resistance and light emitting diode.
5. a kind of solenoid trouble-shooter according to claim 4, it is characterized in that described switch is triode, wherein emitter is connected with solenoid (12), current collection level is connected with positive source, and base stage is connected with external control signal source by starting control signal wire (18).
6. a kind of solenoid trouble-shooter according to claim 4, it is characterized in that described switch is field effect transistor, wherein drain electrode is connected with solenoid (12), source electrode is connected with positive source, and grid is connected with external control signal source by starting control signal wire (18).
7. a kind of solenoid trouble-shooter according to claim 4, is characterized in that described switch is mechanical switch, and switch one end connects positive source (17) or power cathode (16), other end connection solenoid (12).
8. a kind of solenoid trouble-shooter according to claim 4, it is characterized in that described switch is relay or contactor, switch ends connects power cathode (16) and solenoid (12) respectively, and the startup control signal wire (18) of relay or contactor is connected with external control signal source.
9. according to the arbitrary described a kind of solenoid trouble-shooter of claim 4 to 8; it is characterized in that described electromagnetic inductor is current transformer, current sensor or shunt, described protection module (3) is by one or more strings in fuse, self-healing fuse, TVS pipe, stabilivolt, snowslide pipe or composes in parallel.
10. according to the arbitrary described a kind of solenoid trouble-shooter of claim 4 to 8; it is characterized in that described voltage basic module (4) is made up of three terminal regulator and filter capacitor, overcurrent protection resistance and clamp resistance, or be made up of voltage stabilizing diode and filtering, overcurrent protection resistance and clamp resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421314.9A CN104251947B (en) | 2014-08-26 | 2014-08-26 | A kind of magnet coil trouble-shooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410421314.9A CN104251947B (en) | 2014-08-26 | 2014-08-26 | A kind of magnet coil trouble-shooter |
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| Publication Number | Publication Date |
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| CN104251947A true CN104251947A (en) | 2014-12-31 |
| CN104251947B CN104251947B (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410421314.9A Active CN104251947B (en) | 2014-08-26 | 2014-08-26 | A kind of magnet coil trouble-shooter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760613A (en) * | 2015-03-12 | 2015-07-08 | 江苏大学 | Power-off protection and fault prompt system and method of electromagnetic slip clutch |
| CN111505530A (en) * | 2020-04-09 | 2020-08-07 | 中北大学 | Non-contact coil fault detection system based on electromagnetic induction and detection method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4924398A (en) * | 1986-09-25 | 1990-05-08 | Mitsubishi Denki Kabushiki Kaisha | Fault diagnosis system for automotive electronic devices |
| CN101059548A (en) * | 2007-06-06 | 2007-10-24 | 常熟开关制造有限公司(原常熟开关厂） | Magnet coil break detection circuit |
| JP2013088284A (en) * | 2011-10-18 | 2013-05-13 | Gs Yuasa Corp | Fault diagnosis device of current sensor, sensor system, and fault diagnosis method of current sensor |
| CN103207326A (en) * | 2012-01-12 | 2013-07-17 | 现代摩比斯株式会社 | Fault detection apparatus of solenoid valve |
| CN204008929U (en) * | 2014-08-26 | 2014-12-10 | 龙口中宇机械有限公司 | A kind of solenoid trouble-shooter |
-
2014
- 2014-08-26 CN CN201410421314.9A patent/CN104251947B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4924398A (en) * | 1986-09-25 | 1990-05-08 | Mitsubishi Denki Kabushiki Kaisha | Fault diagnosis system for automotive electronic devices |
| CN101059548A (en) * | 2007-06-06 | 2007-10-24 | 常熟开关制造有限公司(原常熟开关厂） | Magnet coil break detection circuit |
| JP2013088284A (en) * | 2011-10-18 | 2013-05-13 | Gs Yuasa Corp | Fault diagnosis device of current sensor, sensor system, and fault diagnosis method of current sensor |
| CN103207326A (en) * | 2012-01-12 | 2013-07-17 | 现代摩比斯株式会社 | Fault detection apparatus of solenoid valve |
| CN204008929U (en) * | 2014-08-26 | 2014-12-10 | 龙口中宇机械有限公司 | A kind of solenoid trouble-shooter |
Non-Patent Citations (2)
| Title |
|---|
| 王志刚 等: "电磁力矩马达线圈故障仿真研究", 《河北工业大学学报》 * |
| 马淑萍 等: "400型液压打包机电磁线圈故障判断与排除", 《中国棉花加工》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104760613A (en) * | 2015-03-12 | 2015-07-08 | 江苏大学 | Power-off protection and fault prompt system and method of electromagnetic slip clutch |
| CN111505530A (en) * | 2020-04-09 | 2020-08-07 | 中北大学 | Non-contact coil fault detection system based on electromagnetic induction and detection method thereof |
| CN111505530B (en) * | 2020-04-09 | 2022-03-08 | 中北大学 | Non-contact coil fault detection system based on electromagnetic induction and detection method thereof |
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| Publication number | Publication date |
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| CN104251947B (en) | 2017-06-06 |
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Effective date of registration: 20220301 Address after: 265716 Longkou Economic Development Zone, Yantai, Shandong, Longkou City Patentee after: LONGKOU ZHONGYU THERMAL MANAGEMENT SYSTEM TECHNOLOGY Co.,Ltd. Address before: 265717 Da Chen family, North MA Town, Longkou City, Yantai, Shandong Patentee before: LONGKOU ZHONGYU MACHINERY Co.,Ltd. |
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Denomination of invention: An Electromagnetic Coil Fault Diagnosis Device Effective date of registration: 20221104 Granted publication date: 20170606 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: LONGKOU ZHONGYU THERMAL MANAGEMENT SYSTEM TECHNOLOGY Co.,Ltd. Registration number: Y2022370000143 |
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Date of cancellation: 20230619 Granted publication date: 20170606 Pledgee: Yantai Xincai Haohan Investment Center (L.P.) Pledgor: LONGKOU ZHONGYU THERMAL MANAGEMENT SYSTEM TECHNOLOGY Co.,Ltd. Registration number: Y2022370000143 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A Fault Diagnosis Device for Electromagnetic Coils Granted publication date: 20170606 Pledgee: Wang Xiaodong Pledgor: LONGKOU ZHONGYU THERMAL MANAGEMENT SYSTEM TECHNOLOGY Co.,Ltd. Registration number: Y2024980021236 |
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