CN207481670U - For Transient Interference device, power supply circuit and the electric vehicle of relay - Google Patents
For Transient Interference device, power supply circuit and the electric vehicle of relay Download PDFInfo
- Publication number
- CN207481670U CN207481670U CN201721637268.1U CN201721637268U CN207481670U CN 207481670 U CN207481670 U CN 207481670U CN 201721637268 U CN201721637268 U CN 201721637268U CN 207481670 U CN207481670 U CN 207481670U
- Authority
- CN
- China
- Prior art keywords
- relay
- interference device
- transient interference
- varistor
- power supply
- 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.)
- Active
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides a kind of Transient Interference device, power supply circuit and electric vehicle for relay, which includes：Shell, the enclosure form cavity；Varistor, the varistor is located in the cavity, and the both ends of the varistor extend to the outside of the shell by a conducting wire respectively, are formed as the first connecting pin and second connection end.Transient Interference device provided by the utility model is applied to relay; the glitch that moment generation is attracted to relay carries out inhibition absorption; not only improve the stability of power supply circuit; glitch is also avoided simultaneously and enters the electric elements being connect with relay, so as to protect the electric elements being connect with relay.
Description
Technical field
The utility model is related to field of vehicle control, more particularly to a kind of Transient Interference device for relay,
Power supply circuit and electric vehicle.
Background technology
The complication system that electric vehicle mutually overlaps mutually as high and low pressure system, compared with traditional oils vehicle, there is more height
Electromagnetic compatibility problem between the systems such as pressure mutual interference.Individual devices independently work normally do not represent do not interfere after entrucking other devices or
Person is disturbed or even a simple relay adhesive action can influence signal integrity and vehicle performance.
Relay will generate the larger transient voltage of a peak value and interfere in the moment of actuation, electromagnetic coil.Due to this after
Electric appliance is connect with the electronic control unit in electric vehicle with the low tension battery of electric vehicle, and transient voltage interference will enter electricity
Unit is controlled, so as to influence vehicle performance.Such as the Car window electric machine of electric vehicle all has pinch resistant functionality, for controlling Car window electric machine
Relay, sensor and electronic control unit connect with low tension battery, the relay be attracted moment, generation transient state electricity
It press dry and disturbs and will enter sensor and electronic control unit, so as to influence the transmission signal of sensor.
Utility model content
The utility model provides a kind of Transient Interference device, power supply circuit and electric vehicle for relay,
The glitch generated prior art repeat circuit to be solved to be attracted enters coupled electronic control unit, automatically controlled so as to influence
The problem of unit performance.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：
According to the one side of the utility model, a kind of Transient Interference device for relay is provided, including：
Shell, the enclosure form cavity；
Varistor, the varistor is located in the cavity, and the both ends of the varistor pass through one respectively
Conducting wire extends to the outside of the shell, is formed as the first connecting pin and second connection end.
Further, insulation filler is filled in the cavity.
Further, the insulation filler is epoxy resin.
Further, it further includes：The printed circuit board being set in the cavity, the varistor are welded on the print
On printed circuit board.
Further, the opposite sides of the shell is provided with prominent installing plate, and installation is provided on the installing plate
Hole.
According to the another aspect of the utility model, a kind of power supply circuit is provided, applied to electric vehicle, including relay
Device and low tension battery and Transient Interference device as described above, the Transient Interference device are connected to described
Between the electromagnetic coil of low tension battery and the relay.
Further, first connecting pin is connect with the first end of the electromagnetic coil, the second connection end and institute
State the second end connection of electromagnetic coil.
According to the another aspect of the utility model, a kind of electric vehicle is provided, including power supply circuit as described above.
The beneficial effects of the utility model are：
Above-mentioned technical proposal, Transient Interference device can be absorbed by varistor its extra electricity in circuit
Stream carries out voltage clamping to the circuit, realizes overvoltage protection；Transient Interference device is applied to relay, and relay is inhaled
The glitch for closing moment generation carries out inhibition absorption, improves the stability of power supply circuit；And including Transient Interference
The power supply circuit of device is applied in electric vehicle, and Transient Interference device can be attracted the wink generated moment to avoid relay
State is interfered, and into the electronic control unit being connect with relay, so as to protect electronic control unit, is conducive to stablize the performance of vehicle.
Description of the drawings
Fig. 1 shows the Transient Interference schematic devices for relay that the utility model embodiment provides；
Fig. 2 represents the power supply circuit schematic diagram that the utility model embodiment provides.
Reference sign：
11st, shell；12nd, varistor；13rd, installing plate；21st, low tension battery；22nd, Transient Interference device；23rd, it is electric
Magnetic coil.
Specific embodiment
The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although this is shown in attached drawing
The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here
The embodiment of elaboration is limited.It is to be able to be best understood from the utility model, and energy on the contrary, providing these embodiments
It is enough that the scope of the utility model is completely communicated to those skilled in the art.
As shown in Figure 1, the utility model embodiment provides a kind of Transient Interference device for relay, the use
Include in the Transient Interference device of relay：
Shell 11,11 inside of shell form cavity；
Varistor 12, varistor 12 is located in cavity, and the both ends of varistor 12 are prolonged respectively by a conducting wire
The outside of shell 11 is extended to, is formed as the first connecting pin and second connection end.
It should be noted that shell 11 is used to protect varistor 12, varistor 12 is set to the inside of shell 11,
Can be to avoid varistor 12 directly by physical shock, and be damaged；And compared with individual varistor, the wink
State interference rejection unit is easily installed, dismantles and carries.
In the utility model embodiment, Transient Interference device can absorb its institute in circuit by varistor 12
Extra electric current carries out voltage clamping to the circuit, realizes overvoltage protection；Transient Interference device is applied to relay, right
The glitch that relay is attracted moment generation carries out inhibition absorption, improves the stability of power supply circuit.
On the basis of above-mentioned utility model embodiment, in the utility model embodiment, insulation filling is filled in cavity
Object.
It should be noted that varistor 12 hits the inner wall of shell 11 and further carries in the cavities in order to prevent
The impact resistant capability of Transient Interference device is risen, fills insulation filler in the cavity formed inside shell 11, the insulation
Filler can be full of cavity；The insulation filler can be made for elastic material or the smaller object of density, such as
Insulation filler is epoxy resin, but not limited to this.
On the basis of above-mentioned utility model embodiment, in the utility model embodiment, the Transient Interference device is also
Including：The printed circuit board being set in cavity, varistor weld on a printed circuit.
On the basis of above-mentioned utility model embodiment, in the utility model embodiment, the opposite sides setting of shell 11
There is prominent installing plate 13, mounting hole is provided on installing plate 13.
It should be noted that installing plate 13 for fixing Transient Interference device, prevent Transient Interference device with
After circuit electrical connection, disconnected due to being subjected to displacement.Such as it is matched and is fixed with screw by mounting hole.
As shown in Fig. 2, conceiving based on same utility model, according to the another aspect of the utility model, one is provided
Kind power supply circuit, applied to electric vehicle, including relay and low tension battery 21, further includes above-mentioned each utility model embodiment
The Transient Interference device 22 of offer, Transient Interference device 22 are connected to the electromagnetic wire of low tension battery 21 and relay
Between circle 23.
It should be noted that Transient Interference device 22 is used for the glitch that electromagnetic coil 23 is inhibited to generate, transient state
First connecting pin of interference rejection unit 22 is connect with the first end of electromagnetic coil 23, and the of second connection end and electromagnetic coil 23
Two ends connect.
In the utility model embodiment, Transient Interference device 22 is applied to relay, and moment production is attracted to relay
Raw glitch carries out inhibition absorption, improves the stability of power supply circuit.
Conceived based on same utility model, according to the another aspect of the utility model, provide a kind of electric vehicle,
The power supply circuit provided including above-mentioned each utility model embodiment.
In the utility model embodiment, low tension battery can be the electric power storage that output voltage is 12 volts in electric vehicle
Pond；Power supply circuit including Transient Interference device be applied to electric vehicle in, Transient Interference device can to avoid after
Electric appliance is attracted the glitch generated moment, into the electronic control unit being connect with relay, so as to protect electronic control unit, has
Conducive to the performance for stablizing vehicle.
In the utility model unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be
Mechanical connection or electrical connection can communicate with one another；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, can be the interaction relationship of connection inside two elements or two elements.For those of ordinary skill in the art
For, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
Although the preferred embodiment of the utility model embodiment has been described, those skilled in the art once learn
Basic creative concept, then can make these embodiments other change and modification.So appended claims are intended to solve
It is interpreted as including preferred embodiment and falls into all change and modification of the utility model embodiment range.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements are not only wrapped
Those elements are included, but also including other elements that are not explicitly listed or are further included as this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, it is wanted by what sentence "including a ..." limited
Element, it is not excluded that also there are other identical elements in the process including the element, method, article or terminal device.
Claims (8)
1. a kind of Transient Interference device for relay, which is characterized in that including：
Shell, the enclosure form cavity；
Varistor, the varistor is located in the cavity, and the both ends of the varistor pass through a conducting wire respectively
The outside of the shell is extended to, is formed as the first connecting pin and second connection end.
2. Transient Interference device according to claim 1, which is characterized in that insulation filling is filled in the cavity
Object.
3. Transient Interference device according to claim 2, which is characterized in that the insulation filler is asphalt mixtures modified by epoxy resin
Fat.
4. Transient Interference device according to claim 1, which is characterized in that further include：It is set in the cavity
Printed circuit board, varistor welding is on the printed circuit board.
5. Transient Interference device according to claim 1, which is characterized in that the opposite sides of the shell is provided with
Prominent installing plate is provided with mounting hole on the installing plate.
6. a kind of power supply circuit, applied to electric vehicle, including relay and low tension battery, which is characterized in that further include as
Claim 1-5 any one of them Transient Interference devices, the Transient Interference device are connected to the low pressure and store
Between the electromagnetic coil of battery and the relay.
7. power supply circuit according to claim 6, which is characterized in that the of first connecting pin and the electromagnetic coil
One end connects, and the second connection end is connect with the second end of the electromagnetic coil.
8. a kind of electric vehicle, which is characterized in that including power supply circuit as claimed in claims 6 or 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721637268.1U CN207481670U (en) | 2017-11-30 | 2017-11-30 | For Transient Interference device, power supply circuit and the electric vehicle of relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721637268.1U CN207481670U (en) | 2017-11-30 | 2017-11-30 | For Transient Interference device, power supply circuit and the electric vehicle of relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207481670U true CN207481670U (en) | 2018-06-12 |
Family
ID=62472249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721637268.1U Active CN207481670U (en) | 2017-11-30 | 2017-11-30 | For Transient Interference device, power supply circuit and the electric vehicle of relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207481670U (en) |
-
2017
- 2017-11-30 CN CN201721637268.1U patent/CN207481670U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104135153B (en) | DC-DC module power supply | |
| CN202815058U (en) | Current sensor | |
| CN202736755U (en) | High temperature resistance high moisture resistance dry type capacitor | |
| CN207481670U (en) | For Transient Interference device, power supply circuit and the electric vehicle of relay | |
| CN204858958U (en) | Lightweight photovoltaic wave filter | |
| CN202957335U (en) | Storage battery with battery management system module | |
| CN205141425U (en) | High-voltage distribution box for pure electric light bus | |
| CN205232560U (en) | Double -deck PCB board dispels heat | |
| CN207753599U (en) | Magnetic power generator and the control device of wireless for using the magnetic power generator | |
| CN204480892U (en) | A kind of noinductive capacitor | |
| CN202917273U (en) | Low resistance resistor | |
| CN202067659U (en) | Current transformer | |
| CN106465560A (en) | Electric device with a modular design | |
| CN206038780U (en) | Prevent high -pressure electric charge sensor | |
| CN202071707U (en) | Dynamic power supply management device for electric vehicle | |
| CN201465914U (en) | Load-modular magnetic latching relay of three-phase electric energy meter | |
| CN204465303U (en) | A kind of plastic package brushless direct current motor and control panel | |
| CN205428630U (en) | Embedment parcel formula switching mode power supply transformer | |
| CN201303209Y (en) | Anti-surge lightning protector | |
| CN204439095U (en) | For the position transducer of EGR valve | |
| CN207706022U (en) | The power generator of low current low-voltage | |
| CN2891236Y (en) | Power supply unit applicable in moist environment | |
| CN201780876U (en) | High-voltage resistant, anti-interference capacitor | |
| CN204290472U (en) | The continuous electric installation of a kind of intelligence | |
| CN202603058U (en) | Power supply unit control cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |