CN209217944U - The electric source filter circuit of automobile shift sensor control panel - Google Patents
The electric source filter circuit of automobile shift sensor control panel Download PDFInfo
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- CN209217944U CN209217944U CN201920002381.5U CN201920002381U CN209217944U CN 209217944 U CN209217944 U CN 209217944U CN 201920002381 U CN201920002381 U CN 201920002381U CN 209217944 U CN209217944 U CN 209217944U
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- 239000003990 capacitor Substances 0.000 claims abstract description 69
- 230000001052 transient effect Effects 0.000 claims description 12
- 230000001629 suppression Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005855 radiation Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The utility model provides a kind of electric source filter circuit of automobile shift sensor control panel for being conducive to improve power supply anti-interference ability, including Integrated circuit IC module；It further include the diode D1 being connected in series, inductance L1, resistance R1, wherein the cathode of diode D1 is connect with inductance L1, and the anode of diode D1 is input terminal, and resistance R1 is output end and connect with the Vin interface of Integrated circuit IC module；It further include the first sub-circuit being made of the diode D2, capacitor C1, capacitor C2 being connected in parallel, wherein the cathode of diode D2 is the anode of the first sub-circuit and is connected between diode D1 and inductance L1 that the anode of diode D2 is negative terminal and is grounded；It further include capacitor C3, capacitor C3 is in parallel with capacitor C2, and one end of capacitor C3 is connected between the Vin interface of Integrated circuit IC module and resistance R1, the other end ground connection of capacitor C3.
Description
Technical field
The utility model relates to a kind of a kind of power filter of circuit more particularly to automobile shift sensor control panel electricity
Road.
Background technique
The case where electronic equipment is increasingly complicated in recent years, and especially analog circuit and digital circuit mix is increasingly once more, electric
The working frequency on road is higher and higher, causes the interference between circuit more serious, to guarantee the reliable and stable work of electronic equipment,
Just it has to be ensured that the stabilization of power supply.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, adapt to reality and need, provide one kind and be conducive to mention
The electric source filter circuit of the automobile shift sensor control panel of high power supply anti-interference ability.
In order to realize the purpose of this utility model, the technology employed by the present utility model is
Design a kind of electric source filter circuit of automobile shift sensor control panel, including Integrated circuit IC module；Also wrap
Include the diode D1, inductance L1, resistance R1 of series connection, wherein the cathode of diode D1 is connect with inductance L1, diode D1's
Anode is input terminal, and resistance R1 is output end and connect with the Vin interface of Integrated circuit IC module；
It further include the first sub-circuit being made of the diode D2, capacitor C1, capacitor C2 being connected in parallel, wherein diode
The cathode of D2 is the anode of the first sub-circuit and is connected between diode D1 and inductance L1, the anode of diode D2 be negative terminal simultaneously
Ground connection；
It further include capacitor C3, capacitor C3 is in parallel with capacitor C2, and one end of capacitor C3 is connected to Integrated circuit IC module
Between Vin interface and resistance R1, the other end of capacitor C3 is grounded；
It further include the second sub-circuit being made of the diode D3, capacitor C4, capacitor C5 being connected in parallel, wherein diode
The cathode of D3 is the anode of the first sub-circuit and is connected on the Vout interface of Integrated circuit IC module that the anode of diode D2 is
Negative terminal is simultaneously grounded, and the Vout interface of the Integrated circuit IC module also connect with VCC power supply and as the defeated of electric source filter circuit
Outlet.
The diode D2 is Transient Suppression Diode.
The diode D3 is Transient Suppression Diode.
The capacitor C2 is polar capacitor, and the anode of capacitor C2 is in parallel with the cathode of diode D2.
The capacitor C4 is polar capacitor, and the anode of capacitor C4 is in parallel with the cathode of diode D3.
The capacitor C1 is 4.7 μ F, and capacitor C2, capacitor C3, capacitor C5 are 0.1 μ F, and capacitor C4 is 220 μ F, the electricity
Sense L1 is 330mH.
The utility model has the beneficial effects that:
This circuit design is conducive to improve power supply anti-interference ability in use, while product can be improved in extreme building ring
Reliability under border, such as radiation disturbance, conduction interference, radio-frequency radiation is anti-interference, low frequency magnetic field is anti-interference, transient state conduction is anti-dry
It disturbs, transient state coupling is anti-interference, radio-frequency current injection is anti-interference, static discharge is anti-interference, electrical fast transient (eft) is anti-interference, unrestrained
It is anti-interference etc. to gush (impact).
Detailed description of the invention
Fig. 1 is the circuit theory schematic diagram of the design.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples:
Embodiment 1: a kind of electric source filter circuit of automobile shift sensor control panel, referring to Fig. 1.
Including Integrated circuit IC module；It further include the diode D1 being connected in series, inductance L1, resistance R1, wherein diode
The cathode of D1 is connect with inductance L1, and the anode of diode D1 is input terminal, resistance R1 be output end and with Integrated circuit IC mould
The Vin interface of block connects.
It further include the first sub-circuit being made of the diode D2, capacitor C1, capacitor C2 being connected in parallel, wherein diode
The cathode of D2 is the anode of the first sub-circuit and is connected between diode D1 and inductance L1, the anode of diode D2 be negative terminal simultaneously
Ground connection.
It further include capacitor C3, capacitor C3 is in parallel with capacitor C2, and one end of capacitor C3 is connected to Integrated circuit IC module
Between Vin interface and resistance R1, the other end of capacitor C3 is grounded.
It further include the second sub-circuit being made of the diode D3, capacitor C4, capacitor C5 being connected in parallel, wherein diode
The cathode of D3 is the anode of the first sub-circuit and is connected on the Vout interface of Integrated circuit IC module that the anode of diode D2 is
Negative terminal is simultaneously grounded, and the Vout interface of the Integrated circuit IC module also connect with VCC power supply and as the defeated of electric source filter circuit
Outlet.
In this circuit, the diode D2 is Transient Suppression Diode, and the diode D3 is Transient Suppression Diode,
The capacitor C2 is polar capacitor, and the anode of capacitor C2 is in parallel with the cathode of diode D2, and the capacitor C4 is polar capacitor,
And the anode of capacitor C4 is in parallel with the cathode of diode D3.Wherein, capacitor C1 is 4.7 μ F, and capacitor C2, capacitor C3, capacitor C5 are equal
For 0.1 μ F, capacitor C4 is 330mH for 220 μ F, the inductance L1.Diode D1 is 1N4007, and diode D2 is SM5S22A, collection
It is TLE42744DV50 at IC circuit module, diode D3 is SMBJ5.0CA-TR.
This circuit design passes through diode D1, diode D2, diode D3, capacitor C1, capacitor C2, capacitor in use
C3, capacitor C4, capacitor C5 are conducive to improve power supply anti-interference ability, while it is reliable under extreme operating environments that product can be improved
Property, such as radiation disturbance, conduction interference, radio-frequency radiation is anti-interference, low frequency magnetic field is anti-interference, transient state conduction is anti-interference, transient state coupling
The injection of anti-interference, radio-frequency current is anti-interference, static discharge is anti-interference, electrical fast transient (eft) is anti-interference, surge (impact) resists
Interference etc..
What the embodiments of the present invention were announced is preferred embodiment, and however, it is not limited to this, the common skill of this field
Art personnel understand the spirit of the utility model easily according to above-described embodiment, and make different amplification and variation, but as long as
The spirit of the utility model is not departed from, it is all within the protection scope of the present utility model.
Claims (6)
1. a kind of electric source filter circuit of automobile shift sensor control panel, including Integrated circuit IC module；It is characterized by:
It further include the diode D1 being connected in series, inductance L1, resistance R1, wherein the cathode of diode D1 is connect with inductance L1, diode
The anode of D1 is input terminal, and resistance R1 is output end and connect with the Vin interface of Integrated circuit IC module；
It further include the first sub-circuit being made of the diode D2, capacitor C1, capacitor C2 being connected in parallel, wherein diode D2's
Cathode is the anode of the first sub-circuit and is connected between diode D1 and inductance L1 that the anode of diode D2 is negative terminal and connects
Ground；
It further include capacitor C3, capacitor C3 is in parallel with capacitor C2, and one end of capacitor C3 is connected to the Vin of Integrated circuit IC module and connects
Between mouth and resistance R1, the other end of capacitor C3 is grounded；
It further include the second sub-circuit being made of the diode D3, capacitor C4, capacitor C5 being connected in parallel, wherein diode D3's
Cathode is the anode of the first sub-circuit and is connected on the Vout interface of Integrated circuit IC module that the anode of diode D2 is negative terminal
And be grounded, the Vout interface of the Integrated circuit IC module is also connect with VCC power supply and the output end as electric source filter circuit.
2. the electric source filter circuit of automobile shift sensor control panel as described in claim 1, it is characterised in that: described two
Pole pipe D2 is Transient Suppression Diode.
3. the electric source filter circuit of automobile shift sensor control panel as described in claim 1, it is characterised in that: described two
Pole pipe D3 is Transient Suppression Diode.
4. the electric source filter circuit of automobile shift sensor control panel as described in claim 1, it is characterised in that: the electricity
Appearance C2 is polar capacitor, and the anode of capacitor C2 is in parallel with the cathode of diode D2.
5. the electric source filter circuit of automobile shift sensor control panel as described in claim 1, it is characterised in that: the electricity
Appearance C4 is polar capacitor, and the anode of capacitor C4 is in parallel with the cathode of diode D3.
6. the electric source filter circuit of automobile shift sensor control panel as described in claim 1, it is characterised in that: the electricity
Appearance C1 is 4.7 μ F, and capacitor C2, capacitor C3, capacitor C5 are 0.1 μ F, and capacitor C4 is that 220 μ F, the inductance L1 are 330mH.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920002381.5U CN209217944U (en) | 2019-01-02 | 2019-01-02 | The electric source filter circuit of automobile shift sensor control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920002381.5U CN209217944U (en) | 2019-01-02 | 2019-01-02 | The electric source filter circuit of automobile shift sensor control panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209217944U true CN209217944U (en) | 2019-08-06 |
Family
ID=67466878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920002381.5U Expired - Fee Related CN209217944U (en) | 2019-01-02 | 2019-01-02 | The electric source filter circuit of automobile shift sensor control panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209217944U (en) |
-
2019
- 2019-01-02 CN CN201920002381.5U patent/CN209217944U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |