CN207339697U - A kind of wiper motor control circuit - Google Patents
A kind of wiper motor control circuit Download PDFInfo
- Publication number
- CN207339697U CN207339697U CN201720769838.6U CN201720769838U CN207339697U CN 207339697 U CN207339697 U CN 207339697U CN 201720769838 U CN201720769838 U CN 201720769838U CN 207339697 U CN207339697 U CN 207339697U
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- China
- Prior art keywords
- electrically connected
- wiper motor
- inductance
- capacitance
- switch
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Abstract
It the utility model is related to technical field of automobile accessories, more particularly to a kind of wiper motor control circuit.A kind of wiper motor control circuit of the utility model, including：Power supply, single-pole double-throw switch (SPDT), fuse, cam switch, temperature detect switch (TDS), diode, the first inductance, the second inductance, the first capacitance, the second capacitance and wiper motor, when there is short circuit because diode is breakdown or fails, fuse can fuse, so that circuit breaker, the problem of preventing from causing thawing or the automobile burning of conducting wire and electric elements because of high current, can lift the safety and stability of circuit.
Description
Technical field
It the utility model is related to technical field of automobile accessories, more particularly to a kind of wiper motor control circuit.
Background technology
Wiper motor control circuit is to be used to control vehicle-mounted wiper operating circuit, existing wiper motor control electricity
Diode is generally equipped with road, the start-up and shut-down control of wiper motor, but two poles are carried out using the one-way conduction characteristic of diode
Pipe there are it is breakdown or failure risk, once diode it is breakdown or failure to diode bidirectional conduction when, it will cause electricity
Short out road, produces high current, causes the thawing of conducting wire and electric elements, even results in vehicle burning.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of wiper motor control circuit, can prevent because of two poles
Short circuit caused by pipe punctures or fails, lifts the safety and stability of circuit.
In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of wiper motor control circuit,
Including：Power supply, single-pole double-throw switch (SPDT), fuse, cam switch, temperature detect switch (TDS), diode, the first inductance, the second inductance, first
Capacitance, the second capacitance and wiper motor；
The cathode of the power supply is electrically connected the second movable contact of the single-pole double-throw switch (SPDT), and it is double that anode is electrically connected hilted broadsword
First movable contact of throw switch；The fixed contact of the single-pole double-throw switch (SPDT) is electrically connected the cathode of diode；The fuse
One end is electrically connected the second movable contact of single-pole double-throw switch (SPDT), and the other end is electrically connected the first movable contact of cam switch；It is described
The fixed contact of cam switch is electrically connected the anode of diode, and the second movable contact of the cam switch is electrically connected diode
Cathode；One end of first inductance is electrically connected the anode of diode, and the other end of first inductance is electrically connected windscreen wiper
One end of device motor；The other end of the wiper motor is electrically connected one end of temperature detect switch (TDS)；The temperature detect switch (TDS) it is another
End is electrically connected one end of the second inductance；The first of the other end electric connection single-pole double-throw switch (SPDT) of second inductance is dynamic tactile
Point；One end of first capacitance is electrically connected the other end of the first inductance, the first capacitance other end ground connection；Described second
One end of capacitance is electrically connected one end of the second inductance, the second capacitance other end ground connection.
The other end of first capacitance and the other end of the second capacitance are via the earthing of casing of wiper motor.
The blowout current of the fuse is 6.3A.
Advantage possessed by the utility model is with effect：A kind of wiper motor control circuit of the utility model, bag
Include：Power supply, single-pole double-throw switch (SPDT), fuse, cam switch, temperature detect switch (TDS), diode, the first inductance, the second inductance, the first electricity
Appearance, the second capacitance and wiper motor, when there is short circuit because diode is breakdown or fails, fuse can occur
Fusing so that circuit breaker, the problem of preventing from causing thawing or the automobile burning of conducting wire and electric elements because of high current, Neng Gouti
Rise the safety and stability of circuit.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is a kind of circuit diagram of wiper motor control circuit of the utility model；
In figure：Power supply U, single-pole double-throw switch (SPDT) K1, fuse FU, cam switch K2, temperature detect switch (TDS) K3, diode D1,
One inductance L1, the second inductance L2, the first capacitance C1, the second capacitance C2, wiper motor M1, wiper motor shell 10.
Embodiment
Referring to Fig. 1, the utility model provides a kind of wiper motor control circuit, including：Power supply U, single-pole double throw are opened
Close K1, fuse FU, cam switch K2, temperature detect switch (TDS) K3, diode D1, the first inductance L1, the second inductance L2, the first capacitance
C1, the second capacitance C2 and wiper motor M1；
The cathode of the power supply U is electrically connected the second movable contact of the single-pole double-throw switch (SPDT) K1, and anode is electrically connected single
The first movable contact of double-pole double throw switch K1；The fixed contact of the single-pole double-throw switch (SPDT) K1 is electrically connected the cathode of diode D1；Institute
The one end for stating fuse FU is electrically connected the second movable contact of single-pole double-throw switch (SPDT) K1, and the other end is electrically connected cam switch K2's
First movable contact；The anode of the fixed contact electric connection diode D1 of the cam switch K2, the second of the cam switch K2
Movable contact is electrically connected the cathode of diode D1；One end of the first inductance L1 is electrically connected the anode of diode D1, described
The other end of first inductance L1 is electrically connected one end of wiper motor M1；The other end of the wiper motor M1 is electrically connected
One end of temperature detect switch (TDS) K3；The other end of the temperature detect switch (TDS) K3 is electrically connected one end of the second inductance L2；Second inductance
The other end of L2 is electrically connected the first movable contact of single-pole double-throw switch (SPDT) K1；One end of the first capacitance C1 is electrically connected first
The other end of inductance L1, the first capacitance C1 other ends ground connection；One end of the second capacitance C2 is electrically connected the second inductance
One end of L2, the second capacitance C2 other ends ground connection.
Specifically, the other end of the other end of the first capacitance C1 and the second capacitance C2 are via the outer of wiper motor
Shell 10 is grounded.
Specifically, the blowout current of the fuse FU is 6.3A, and the protective current of the diode D1 is 5A.
It should be noted that in the utility model, when the fixed contact of single-pole double-throw switch (SPDT) K1 conducting single-pole double-throw switch (SPDT)s K1
It is electric and when diode is breakdown with the first movable contact, the fixed contact and the first movable contact of cam switch K2 conductings cam switch K2
Road will be short-circuit, and high current will cause fuse FU fusing in circuit, cause circuit breaker, play the role of safeguard protection, prevent
The problem of only causing thawing or the automobile burning of conducting wire and electric elements because of high current, can lift the security and stabilization of circuit
Property.
The utility model is not limited to above-described embodiment, and embodiment is only exemplary, it is intended to for explaining that this practicality is new
Type, and it is not intended that limitation to the utility model.
Claims (3)
- A kind of 1. wiper motor control circuit, it is characterised in that including：Power supply (U), single-pole double-throw switch (SPDT) (K1), fuse (FU), cam switch (K2), temperature detect switch (TDS) (K3), diode (D1), the first inductance (L1), the second inductance (L2), the first capacitance (C1), the second capacitance (C2) and wiper motor (M1)；The cathode of the power supply (U) is electrically connected the second movable contact of the single-pole double-throw switch (SPDT) (K1), and anode is electrically connected single First movable contact of double-pole double throw switch (K1)；The fixed contact of the single-pole double-throw switch (SPDT) (K1) is being electrically connected diode (D1) just Pole；One end of the fuse (FU) is electrically connected the second movable contact of single-pole double-throw switch (SPDT) (K1), and the other end is electrically connected convex First movable contact of wheel switch (K2)；The fixed contact of the cam switch (K2) is electrically connected the anode of diode (D1), described Second movable contact of cam switch (K2) is electrically connected the cathode of diode (D1)；One end of first inductance (L1) electrically connects The anode of diode (D1) is connect, the other end of first inductance (L1) is electrically connected one end of wiper motor (M1)；It is described The other end of wiper motor (M1) is electrically connected one end of temperature detect switch (TDS) (K3)；The other end of the temperature detect switch (TDS) (K3) is electrical Connect one end of the second inductance (L2)；The other end of second inductance (L2) is electrically connected the first of single-pole double-throw switch (SPDT) (K1) Movable contact；One end of first capacitance (C1) is electrically connected the other end of the first inductance (L1), and first capacitance (C1) is another One end is grounded；One end of second capacitance (C2) is electrically connected one end of the second inductance (L2), and second capacitance (C2) is another One end is grounded.
- 2. wiper motor control circuit as claimed in claim 1, it is characterised in that the other end of first capacitance (C1) It is grounded with the other end of the second capacitance (C2) via the shell (10) of wiper motor.
- 3. wiper motor control circuit as claimed in claim 1, it is characterised in that the blowout current of the fuse (FU) For 6.3A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769838.6U CN207339697U (en) | 2017-06-29 | 2017-06-29 | A kind of wiper motor control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720769838.6U CN207339697U (en) | 2017-06-29 | 2017-06-29 | A kind of wiper motor control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207339697U true CN207339697U (en) | 2018-05-08 |
Family
ID=62426897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720769838.6U Active CN207339697U (en) | 2017-06-29 | 2017-06-29 | A kind of wiper motor control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207339697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444345A (en) * | 2017-08-14 | 2017-12-08 | 深圳市力辉电机有限公司 | Wiper motor automatically resets control circuit |
-
2017
- 2017-06-29 CN CN201720769838.6U patent/CN207339697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107444345A (en) * | 2017-08-14 | 2017-12-08 | 深圳市力辉电机有限公司 | Wiper motor automatically resets control circuit |
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