CN106968861A - A kind of starter relay - Google Patents
A kind of starter relay Download PDFInfo
- Publication number
- CN106968861A CN106968861A CN201710148587.4A CN201710148587A CN106968861A CN 106968861 A CN106968861 A CN 106968861A CN 201710148587 A CN201710148587 A CN 201710148587A CN 106968861 A CN106968861 A CN 106968861A
- Authority
- CN
- China
- Prior art keywords
- relay
- winding
- starter
- diode
- fly
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/087—Details of the switching means in starting circuits, e.g. relays or electronic switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
Abstract
The invention discloses a kind of starter relay, belong to relay technical field, high-voltage impact is produced for solving winding during the power-off of prior art repeat circuit, so as to damage coupled ECU technical problem.The starter includes a winding with relay, one contact, an iron core, when the winding is powered, the iron core is made the closing of contact by the effect of electro magnetic field electromagnetic power, the starter also includes a fly-wheel diode and a unilateral diode with relay, wherein described fly-wheel diode is parallel between the input of the winding and output end, the unilateral diode and the windings in series.Starter relay provided by the present invention, winding produces high-voltage impact when can not only solve the power-off of prior art repeat circuit, so as to damage coupled ECU technical problem, and further can actively prevent the relay caused by error-polarity connection of power supply from damaging, have the advantages that performance is stable, safe and reliable.
Description
Technical field
The present invention relates to relay technical field, more particularly to a kind of starter relay.
Background technology
The starter of automobile engine, also known as starts motor or starter motor, and its operation principle is that battery electric energy is turned
Chemical conversion mechanical energy drives engine to operate through transmission mechanism.In the prior art, automobile starter generally starts relay using one
Device is connected with starter relay, by using Small current control high current, prevents big electric current directly by ignition switch,
Ignition switch is burnt out, circuit and switch are shielded.
As shown in figure 1, when firing switch 2 is closed, electric current flows through the magnet coil built in relay 3 and produces electromagnetism
, relay iron is acted on by electro magnetic field electromagnetic power, makes its closing of contact, battery 1 is connected with magnet coil winding 4.
By electric current in magnet coil winding 4, electric current produces electromagnetic force and closes electromagnetic switch 5, makes battery 1 and starter system
Path is kept between 6, and further completes the starting of automobile engine.Equally, when firing switch 2 is opened, cut off and led to
The power supply of the coil of relay 3, the contact of relay 3 is opened, and starter is stopped.
At present, most commercial car starters are integrated with starter relay, and which part vehicle starter is by Electronic Control list
First ECU (Electronic Control Unit) control, starter is with relay umber of turn generally in 1000 circles or so, volume
Voltage is determined for 24V, and operating current≤2A, the 200V-500V induced voltages that winding is produced when relay is powered off can impact ECU connections
To the control circuit of starter, ECU functions can be damaged when serious, while causing the Electro Magnetic Compatibility EMC (Electro of relay
Magnetic Compatibility) functional defect.Relay is after winding two ends increase fly-wheel diode, in relay test
Stage, starter experimental stage, engine are examined and experimental stage, and occasional is in turn resulted in winding by error-polarity connection of power supply
On fly-wheel diode internal short-circuit damage, finally result in whole starter disabler.
In view of this, how to design a kind of new starter relay, with eliminate drawbacks described above of the prior art and
Deficiency, is a person skilled problem urgently to be resolved hurrily in the industry.
The content of the invention
In order to overcome technical problem of the prior art, the invention provides a kind of performance stabilization, safe and reliable starting
Machine relay, damage of the high voltage to coupled ECU that winding is produced when can effectively reduce its power-off, while prevent because
Relay winding causes relay damaged with ECU control end positive-negative polarity reversal connections.
In order to realize foregoing invention purpose, touched the invention discloses a kind of starter relay, including a winding, one
Point, an iron core, when the winding is powered, the iron core is made the closing of contact by the effect of electro magnetic field electromagnetic power, its feature
It is, the starter also includes a fly-wheel diode and a unilateral diode with relay, wherein the fly-wheel diode is simultaneously
It is coupled between the input of the winding and output end, the unilateral diode and the windings in series.
Further, the unilateral diode be series at the relay input and the winding input it
Between.
Further, the unilateral diode positive pole is connected to the input of the relay.
Further, the unilateral diode be series at the relay output end and the winding output end it
Between.
Further, the unilateral diode positive pole is connected to the output end of the winding.
Further, the model SR2100 of the unilateral diode.
Compared with prior art, technical scheme provided by the present invention has advantages below：Firstth, by relay
Fly-wheel diode in parallel between the input and output end of winding, protects the precise electronic member inside the ECU being connected with relay
Device, the high-voltage impact that winding is inducted when protecting it from relay power-off, so as to realize that the characteristic of relay meets vehicle EMC
It is required that；Secondth, by relay winding circuit connect an one-way conduction diode, actively prevent relay winding with
Damage of the ECU control end positive-negative polarity reversal connections to fly-wheel diode.
Brief description of the drawings
It can be obtained further by following detailed description of the invention and institute's accompanying drawings on the advantages and spirit of the present invention
Solution.
Fig. 1 is the structural representation of starter relay in the prior art；
Fig. 2 is the structural representation of the first embodiment of starter relay provided by the present invention；
Fig. 3 is the structural representation of the second embodiment of starter relay provided by the present invention.
Embodiment
The specific embodiment that the invention will now be described in detail with reference to the accompanying drawings.However, the present invention should be understood as to not office
It is limited to this embodiment described below, and the technical concept of the present invention can be with other known technologies or function and those
The combination of known technology identical other technologies is implemented.
, will be by all in order to clearly show that the structure and working method of the present invention in the explanation of specific examples below
Multidirectional word is described, but should by "front", "rear", "left", "right", " outer ", " interior ", " outside ", " inside ",
The Word Understandings such as " axial direction ", " radial direction " are not construed as word of limitation for convenience of term.
It is an object of the invention to provide a kind of starter relay, the winding during power-off of prior art repeat circuit is solved
High-voltage impact is produced, so that coupled ECU technical problem is damaged, while solving because of relay winding and ECU controls
Rectify the problem of negative polarity reversal connection causes relay damaged, realize that the performance of relay is stable and safe and reliable.
2-3 describes the specific embodiment of the present invention in detail below in conjunction with the accompanying drawings.
First embodiment
Fig. 2 is the structural representation of the first embodiment of starter relay provided by the present invention.As shown in Fig. 2
The relay that the present invention is provided is used for starter, and two ends are connected with battery 12 and electromagnetic switch 14 respectively, by ECU11 controls,
Relay winding two ends are connected with ECU control ends positive pole and negative pole respectively.When ECU11 control relays 13 must be electric, electric current stream
Through the winding built in relay 13 and electromagnetic field is produced, the iron core inside relay 13 is acted on by electro magnetic field electromagnetic power, makes it
The closing of contact, now battery 12 and the connection of the winding of electromagnetic switch 14.By electric current in the winding of electromagnetic switch 14, electric current produces electricity
Magnetic force closes electromagnetic switch 14, battery 12 and starter 15 is kept path, further completes the starting of automobile engine.
The relay includes winding 131, fly-wheel diode 135, contact 133, iron core 134, and when winding 131 is powered, iron core 134 is by electricity
Magnetic field electromagnetic force closes contact 133, wherein, fly-wheel diode 135 be parallel to winding 131 input and output end it
Between, its negative pole is connected to the positive pole of winding 131.The energy that induced potential is produced during for absorbing relay power-off so that sensing
Voltage reduces to below 5V, hundreds of volts of induced voltages that winding 131 is produced during protecting ECU11 to be powered off from relay 13
Impact.
Relay is controlled in manufacture and main engine plants' acceptance inspection and experimental stage, occasional by relay winding and ECU
Rectify negative polarity reversal connection, in turn result in the fly-wheel diode Damage by Short Circuit on winding, finally result in whole starter disabler.
The relay 13 also includes one-way conduction diode 132, and the one-way conduction diode 132 is series at relay winding 131 and continuous
Before the parallel circuit for flowing the composition of diode 135, and the positive pole of one-way conduction diode 132 is connected to the input of relay 13,
The negative pole of one-way conduction diode 132 is connected to relay winding 131.When relay winding is connected with ECU control end positive-negative polarities
When correct, it does not influence the original function of relay 13；When relay winding and control end positive-negative polarity reversal connection, one-way conduction
Diode 132 can actively prevent the error-polarity connection of power supply of relay 13 to fly-wheel diode using the reverse cutoff function of diode
135 damages caused, and then ensure that the function of relay 13 is injury-free.
The reference performance parameter of the present embodiment repeat circuit is, at 20 DEG C, and its sealing voltage is 10~16V, release electricity
Pressure is not more than 8V, and relay winding uses QZ-2/180 polyester enameled round copper wire, and line footpath isResistance R be 13 Ω ±
10%.The model 1N5626 that fly-wheel diode 135 is used, its Specifeca tion speeification is as follows：Maximum Recurrent Peak Reverse Voltage
VRRMFor 600V, maximum RMS-voltage is VRMSFor 420V, maximum mean forward current I when temperature is 70 DEG CF(AV)For 3.0A, peak value
Surge forward current IFSMFor 125A, Maximum Forward Voltage V when temperature is 25 DEG CFFor 1V, reverse current is maximum when temperature is 25 DEG C
IRFor 5 μ A.The model SR2100 that one-way conduction diode 132 is used, its Specifeca tion speeification is as follows：Maximum repetitive peak is anti-
To voltage VRRMFor 100V, maximum RMS-voltage is VRMSFor 70V, maximum mean forward current I when temperature is 100 DEG CF(AV)For
2.0A, peak forward surge current IFSMFor 50A, Maximum Forward Voltage V when temperature is 25 DEG CFFor 0.85V, when temperature is 25 DEG C
Reverse current maximum IRFor 0.5mA.
In above-mentioned case study on implementation, the model that afterflow diode 135 is used can also for 1N5624,1N5625,1N5626,
1N4002,1N4001,1N4003,1N4004,1N4005,1N4006,1N4007 etc..The model that one-way conduction diode is used is also
Can be SR220, SR230, SR240, SR250, SR260, SR280 etc..The technical scheme of patent of the present invention, not by specific two pole
The limitation of cast number.
Second embodiment
Accompanying drawing 3 is the structural representation of the second embodiment of starter relay provided by the present invention, real with first
Example is applied to compare, one-way conduction diode 132 be series at parallel circuit that relay winding 131 and fly-wheel diode 135 constitute it
Afterwards, and the positive pole of one-way conduction diode 132 is connected to relay winding, negative pole is connected to the output end of relay 13.
Compared with prior art, starter relay provided by the present invention has advantages below：Firstth, by
Fly-wheel diode in parallel, protects the precision inside the ECU being connected with relay between the input and output end of relay winding
Electronic component, the high-voltage impact that winding is produced when protecting it from relay power-off, so as to realize that the characteristic of relay is met
Vehicle EMC requirements；Secondth, by an one-way conduction diode of being connected in relay winding circuit, power supply pole is actively prevented
Damage of the property reversal connection to fly-wheel diode.
Unless otherwise instructed, it is herein presented be similar to " first ", the qualifier of " second " do not mean that it is suitable to the time
The restriction of sequence, quantity or importance, and be used for the purpose of a technical characteristic in the technical program and another technology
Feature is mutually distinguished.Similarly, the herein presented qualifier similar to " one " does not mean that the restriction to quantity, but describes
The technical characteristic not occurred above.Similarly, occur herein before number be similar to " about ", " approx "
Modifier generally comprises this number, and its specific implication should combine context and anticipate and understand.Similarly, only have specific
The noun of quantity measure word modification, otherwise should be regarded as including plural form again comprising singulative, in the technology herein
The individual technical characteristic of odd number can be included in scheme, a plurality of technical characteristics can also be included.
The preferred embodiment of the simply present invention described in this specification, above example is only to illustrate the present invention
Technical scheme rather than limitation of the present invention.All those skilled in the art pass through logic analysis, reasoning under this invention's idea
Or the limited available technical scheme of experiment, all should be within the scope of the present invention.
Claims (6)
1. a kind of starter relay, including a winding, a contact, an iron core, when the winding is powered, the iron core by
The effect of electro magnetic field electromagnetic power makes the closing of contact, it is characterised in that the starter also includes an afterflow two with relay
Pole pipe and a unilateral diode, wherein the fly-wheel diode is parallel between the input of the winding and output end, it is described
Unilateral diode and the windings in series.
2. starter relay as claimed in claim 1, it is characterised in that：The unilateral diode is series at the relay
Between the input of the input of device and the winding.
3. starter relay as claimed in claim 2, it is characterised in that：The unilateral diode positive pole is connected to described
The input of relay.
4. starter relay as claimed in claim 1, it is characterised in that：The unilateral diode is series at the relay
Between the output end of device and the output end of the winding.
5. starter relay as claimed in claim 4, it is characterised in that：The unilateral diode positive pole is connected to described
The output end of winding.
6. starter relay as claimed in claim 1, it is characterised in that：The model of the unilateral diode
SR2100。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148587.4A CN106968861A (en) | 2017-03-10 | 2017-03-10 | A kind of starter relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710148587.4A CN106968861A (en) | 2017-03-10 | 2017-03-10 | A kind of starter relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106968861A true CN106968861A (en) | 2017-07-21 |
Family
ID=59329421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710148587.4A Pending CN106968861A (en) | 2017-03-10 | 2017-03-10 | A kind of starter relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968861A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910859A (en) * | 2017-12-28 | 2018-04-13 | 潍柴动力股份有限公司 | A kind of protective device of electronic control unit |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054835U (en) * | 1989-09-27 | 1990-03-21 | 李沛滇 | Electronic relay of automotive engine |
| CN2556378Y (en) * | 2002-08-02 | 2003-06-18 | 重庆宗申技术开发研究有限公司 | Electric starting protector for motorcycle |
| CN1453470A (en) * | 2001-02-26 | 2003-11-05 | 株式会社三国 | Electric power unit for internal combustion engine |
| CN2835627Y (en) * | 2005-09-07 | 2006-11-08 | 韦广用 | Automobile starting protector |
| DE202008012750U1 (en) * | 2008-09-25 | 2009-01-02 | Nestler, Wolfgang, Dr. Ing. | Starter magnet for internal combustion engines |
| FR2917890B1 (en) * | 2007-06-22 | 2010-02-26 | Renault Sas | PROTECTED RELAY FOR ELELECTRIC CIRCUIT FOR MOTOR VEHICLE |
| WO2015081559A1 (en) * | 2013-12-06 | 2015-06-11 | Schneider Electric It Corporation | Systems and methods for quick release electromagnetic relays |
| CN105003375A (en) * | 2015-06-11 | 2015-10-28 | 上海法雷奥汽车电器系统有限公司 | Protector used for starter |
| CN206530434U (en) * | 2017-03-10 | 2017-09-29 | 上海法雷奥汽车电器系统有限公司 | A kind of starter relay |
-
2017
- 2017-03-10 CN CN201710148587.4A patent/CN106968861A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054835U (en) * | 1989-09-27 | 1990-03-21 | 李沛滇 | Electronic relay of automotive engine |
| CN1453470A (en) * | 2001-02-26 | 2003-11-05 | 株式会社三国 | Electric power unit for internal combustion engine |
| CN2556378Y (en) * | 2002-08-02 | 2003-06-18 | 重庆宗申技术开发研究有限公司 | Electric starting protector for motorcycle |
| CN2835627Y (en) * | 2005-09-07 | 2006-11-08 | 韦广用 | Automobile starting protector |
| FR2917890B1 (en) * | 2007-06-22 | 2010-02-26 | Renault Sas | PROTECTED RELAY FOR ELELECTRIC CIRCUIT FOR MOTOR VEHICLE |
| DE202008012750U1 (en) * | 2008-09-25 | 2009-01-02 | Nestler, Wolfgang, Dr. Ing. | Starter magnet for internal combustion engines |
| WO2015081559A1 (en) * | 2013-12-06 | 2015-06-11 | Schneider Electric It Corporation | Systems and methods for quick release electromagnetic relays |
| CN105003375A (en) * | 2015-06-11 | 2015-10-28 | 上海法雷奥汽车电器系统有限公司 | Protector used for starter |
| CN206530434U (en) * | 2017-03-10 | 2017-09-29 | 上海法雷奥汽车电器系统有限公司 | A kind of starter relay |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910859A (en) * | 2017-12-28 | 2018-04-13 | 潍柴动力股份有限公司 | A kind of protective device of electronic control unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170721 |