CN207274628U - Wiper motor automatically resets control circuit - Google Patents
Wiper motor automatically resets control circuit Download PDFInfo
- Publication number
- CN207274628U CN207274628U CN201721014764.1U CN201721014764U CN207274628U CN 207274628 U CN207274628 U CN 207274628U CN 201721014764 U CN201721014764 U CN 201721014764U CN 207274628 U CN207274628 U CN 207274628U
- Authority
- CN
- China
- Prior art keywords
- contact
- salient point
- contact terminal
- switch
- cathode
- 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.)
- Expired - Fee Related
Links
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Automatically reset control circuit the utility model discloses wiper motor, including power supply, power switch, the direct current generator and contact switch being arranged on inside electric machine casing, it is characterized in that, the contact switch includes contact, the right salient point of contact terminal, contact terminal bumps, the left salient point of contact terminal, shrapnel and cam；The contact is connected by cam with shrapnel, the shrapnel is connected with the left salient point of contact terminal, the anode of the left salient point of the contact terminal and unilateral diode connects, the cathode of the unilateral diode is connected with power switch output terminal, the contact terminal bumps are connected with power switch output terminal, the right salient point of contact terminal is connected by protective tube with power supply cathode, the anode of the unilateral diode is connected by the positive terminal of inductance and capacitance and direct current generator, the negative pole end of the direct current generator is sequentially connected temperature detect switch (TDS), it is connected after second capacitance and the second inductance with power cathode.
Description
Technical field
It the utility model is related to Wiper controller of automobile, and in particular to automatically reset control circuit to wiper motor.
Background technology
Wiper motor is widely used in the various cars such as car, car, lorry, such as special purpose vehicle, agricultural vehicle, engineering truck
On, the quality requirement long-life, meet the bad working environments such as impact load and excess load and low cost, ensures circuit structure reliability
And security, this becomes the operative orientation for enterprise.
Fig. 1 is conventional rain shaving electrical machine automobile gear-used steel, including power switch (1), contact (2), the first inductance (3),
First capacitance (4), temperature detect switch (TDS) (5), motor case (6), shrapnel (7), control cam (8), direct current generator (9), the second inductance
(10), the second capacitance (11) and junction block (12)；Wherein power switch (1) is connected with on-vehicle battery, is set inside motor case (6)
Direct current generator and contact (2) are put, junction block is used to connect power switch (1) and direct current generator (9) and contact (2), junction block
Cathode output end is connected by the second inductance (10) and the second capacitance (11) with the cathode of direct current generator (9), direct current generator (9)
Negative pole end is sequentially connected temperature detect switch (TDS) (5), the first capacitance (4) and the first inductance (3), and is grounded by junction block, controls cam
(8) being contacted with contact portion, control cam (8) with shrapnel (7), positive pole is connected by terminals with contact terminal, wherein
The right salient point of contact terminal is connected with positive pole, the bumps ground connection of contact terminal, the left side that power cathode passes through contact terminal
Salient point is connected with shrapnel (7).
When power switch is placed in open position, current direction is as shown in the direction of arrow in Fig. 2, circuit turn-on, direct current
Machine control windscreen wiper rotates, and when power switch is placed in off position, the direction of arrow in current direction such as Fig. 3, contact is with touching at this time
During the right bump contacts of point terminal, circuit still turns on；The right salient point that contact and contact terminal are stirred when cam departs from, such as Fig. 4 institutes
Show, and during with contact terminal convexity point contact, circuit is not turned on, and motor stalls, rain shaving blade is parked in setting position.
The conventional rain shaving electrical machine automobile circuit it can be seen from Fig. 1 to Fig. 4, relatively complicated, pin count is more,
Between lead and line seat, wire ground, chassics earth, the tie point such as power cathode ground connection it is more, once connection point failure or not
Reliably, motor work will be made unreliable or failed, the safety and reliability of rain shaving electrical machine is reduced, brought for traffic safety hidden
Suffer from.
Utility model content
The technical problem to be solved by the utility model is to for above-mentioned deficiency of the prior art, there is provided wiper
Motor automatically resets control circuit.
Technical solution is used by the utility model solves its technical problem：
Wiper motor automatically resets control circuit, including power supply, power switch, is arranged on inside electric machine casing
Direct current generator and contact switch, it is characterised in that the contact switch include contact, the right salient point of contact terminal, contact terminal
The left salient point of bumps, contact terminal, shrapnel and cam；The contact is connected by cam with shrapnel, the shrapnel and tip side
The anode of son left salient point connection, the left salient point of the contact terminal and unilateral diode connects, the cathode of the unilateral diode with
Power switch output terminal connects, and the contact terminal bumps are connected with power switch output terminal, the right salient point of contact terminal
Be connected by protective tube with power supply cathode, the anode of the unilateral diode by inductance and capacitance and direct current generator just
Extreme connection, the negative pole end of the direct current generator are sequentially connected after temperature detect switch (TDS), the second capacitance and the second inductance and power cathode
Connection.
Further, the power switch is single-pole double-throw switch (SPDT), and wherein the cathode of power on end and power supply connects
Connect, the anode connection of power supply open end and power supply.
The beneficial effects of the utility model：
The utility model utilizes two by setting diode between left salient point and the power switch output terminal of contact terminal
The principle of pole pipe one-way conduction, forms wiper motor and automatically resets, insurance is set on the circuit of the right salient point of contact terminal
Pipe, plays the role of safeguard protection, avoids generation circuit short circuit problem.When power switch is placed in OFF position, contact and tip side
The right salient point of son is in contact, and diode is breakdown, and at this time, circuit is by short circuit, due to adding protective tube on the line, when electric current is big
When 6.3A, protective tube will be breakdown, so as to cause circuit breaker, plays the role of safeguard protection.
Brief description of the drawings
Fig. 1 is conventional vehicle wiper control circuit figure；
Fig. 2 is placed in current direction schematic diagram during "ON" position for the switch of conventional vehicle windscreen wiper；
Fig. 3 is the current direction schematic diagram of circuit turn-on when the switch of conventional vehicle windscreen wiper is placed in off-position；
Fig. 4 is the current direction schematic diagram that circuit is not turned on when the switch of conventional vehicle windscreen wiper is placed in off-position；
Fig. 5 be the utility model proposes wiper motor automatically reset electric operation control circuit figure；
Fig. 6 be the utility model proposes switch be placed in " ON " position when current direction schematic diagram；
Fig. 7 be the utility model proposes switch be placed in " OFF " position when circuit turn-on current direction schematic diagram；
Fig. 8 be the utility model proposes switch be placed in " OFF " position when circuit disconnect current direction schematic diagram；
Fig. 9 be the utility model proposes protective tube breakdown when circuit breaker current direction schematic diagram.
Embodiment
The specific embodiment of the invention is described with reference to the accompanying drawings and embodiments：
Referring to Fig. 5 to Fig. 9, wherein Fig. 5 be the utility model proposes wiper motor automatically reset electric operation control circuit figure；
Fig. 6 be the utility model proposes switch be placed in " ON " position when current direction schematic diagram；Fig. 7 be the utility model proposes
The current direction schematic diagram of circuit turn-on when switch is placed in " OFF " position；Fig. 8 be the utility model proposes switch be placed in
During " OFF " position circuit disconnect current direction schematic diagram, Fig. 9 be the utility model proposes protective tube breakdown when circuit breaker
Current direction schematic diagram.
The control circuit as shown in figure 5, wiper motor automatically resets, including power supply 101, power switch 102, set
Put the direct current generator 104 and contact switch 105 inside electric machine casing 103, it is characterised in that the contact switch 105 includes
Contact 151, the right salient point 152 of contact terminal, contact terminal bumps 153, the left salient point 154 of contact terminal, shrapnel 155 and cam
156；The contact 151 is connected by cam 156 with shrapnel 155, and the salient point 154 left with contact terminal of shrapnel 155 is connected, institute
State the left salient point 154 of contact terminal to be connected with the anode of unilateral diode 106, the cathode of the unilateral diode 106 is opened with power supply
The connection of 102 output terminals is closed, the contact terminal bumps 153 are connected with 102 output terminal of power switch, and the contact terminal right side is convex
Point 152 is connected by protective tube 107 with 101 cathode of power supply, and the anode of the unilateral diode 106 passes through 108 He of inductance
Capacitance 109 is connected with the positive terminal of direct current generator 104, the negative pole end of the direct current generator 104 be sequentially connected temperature detect switch (TDS) 110,
It is connected after second capacitance 111 and the second inductance 112 with 101 anode of power supply.
Power switch 102 is single-pole double-throw switch (SPDT), and wherein power on end is connected with the cathode of power supply 101, power supply
Open end is connected with the anode of power supply 101.
In the utility model embodiment, by setting two poles between left salient point and the power switch output terminal of contact terminal
Pipe, using the principle of diode unilateral conduction, forms wiper motor and automatically resets, on the circuit of the right salient point of contact terminal
Protective tube is set, plays the role of safeguard protection, avoids generation circuit short circuit problem.
The wiper motor that the utility model embodiment provides automatically resets control circuit, when power switch is placed in " ON "
The cathode connection of position, i.e. power switch and power supply, referring to Fig. 6, circuit turn-on, direct current generator, which starts, drives windscreen wiper work
Make；When switch is placed in " OFF " position, referring to Fig. 7, i.e. power switch and power supply anode connection when, contact and tip side
The right salient point of son is in contact, and circuit still turns on；When switch is placed in " OFF " position, referring to Fig. 8, when cam stirs contact and contact
After the right salient point of terminal departs from, it is in contact with contact terminal bumps, circuit is not turned on, motor stalls, and rain shaving blade, which is parked in, to be set
Positioning is put.
In the utility model embodiment, when power switch is placed in OFF position, contact is in contact with the right salient point of contact terminal,
Diode is breakdown, and at this time, circuit is by short circuit, due to adding protective tube on the line, when electric current is more than 6.3A, referring to figure
9, protective tube will be breakdown, so as to cause circuit breaker, plays the role of safeguard protection.
The preferred embodiment for the present invention is explained in detail above in conjunction with attached drawing, but the invention is not restricted to above-mentioned implementation
Mode, within the knowledge of a person skilled in the art, can also be on the premise of present inventive concept not be departed from
Make a variety of changes.
Many other changes and remodeling can be made by not departing from the spirit and scope of the present invention.It should be appreciated that the present invention is not
It is limited to specific embodiment, the scope of the present invention is defined by the following claims.
Claims (2)
- The control circuit 1. wiper motor automatically resets, including power supply, power switch, be arranged on inside electric machine casing Direct current generator and contact switch, it is characterised in that the contact switch is included in contact, the right salient point of contact terminal, contact terminal The left salient point of salient point, contact terminal, shrapnel and cam；The contact is connected by cam with shrapnel, the shrapnel and contact terminal The anode of the connection of left salient point, the left salient point of the contact terminal and unilateral diode connects, cathode and the electricity of the unilateral diode Source switch output terminal connects, and the contact terminal bumps are connected with power switch output terminal, and the right salient point of contact terminal leads to Cross protective tube to be connected with power supply cathode, the anode of the unilateral diode passes through inductance and the cathode of capacitance and direct current generator End connection, the negative pole end of the direct current generator connect after being sequentially connected temperature detect switch (TDS), the second capacitance and the second inductance with power cathode Connect.
- The control circuit 2. wiper motor according to claim 1 automatically resets, it is characterised in that the power switch For single-pole double-throw switch (SPDT), the wherein cathode of power on end and power supply connects, the anode of power supply open end and power supply Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014764.1U CN207274628U (en) | 2017-08-14 | 2017-08-14 | Wiper motor automatically resets control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721014764.1U CN207274628U (en) | 2017-08-14 | 2017-08-14 | Wiper motor automatically resets control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207274628U true CN207274628U (en) | 2018-04-27 |
Family
ID=61983270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721014764.1U Expired - Fee Related CN207274628U (en) | 2017-08-14 | 2017-08-14 | Wiper motor automatically resets control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207274628U (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
- 2017-08-14 CN CN201721014764.1U patent/CN207274628U/en not_active Expired - Fee Related
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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202557493U (en) | Novel automobile rear rain wiper circuit system | |
| CN105207652B (en) | A kind of safety protective circuit of contactless electron relay | |
| CN104034996A (en) | Detection circuit for high-voltage connector | |
| CN207274628U (en) | Wiper motor automatically resets control circuit | |
| CN201726176U (en) | Charge control circuit with bidirectional reverse connection protection for storage batteries | |
| CN106100024A (en) | A kind of rush-harvesting and rush-planting DC charging motor switching at runtime protection circuit | |
| CN205160489U (en) | Contactless electronic relay's safety protection circuit | |
| CN210775757U (en) | Relay state detection system for high-voltage power distribution unit of all-in-one controller | |
| CN107444345A (en) | Wiper motor automatically resets control circuit | |
| CN209561237U (en) | A kind of electronic arc eliminating automobile electromagnetic switch | |
| CN103807077A (en) | Starting circuit for automobile | |
| CN202125390U (en) | Overvoltage protection circuit for engine | |
| CN103996567A (en) | Contactor driving circuit | |
| CN209375122U (en) | Prevent the protection circuit of car electrical appliance over-discharge | |
| CN207339697U (en) | A kind of wiper motor control circuit | |
| CN103384056B (en) | Electric automobile electric drive controller 12V power supply protection circuit | |
| CN206243092U (en) | A kind of safety-optimized device of vehicle power supply | |
| CN201290089Y (en) | Control device for series machine of electric vehicle | |
| CN206874420U (en) | A kind of loading machine starting system protection device | |
| CN2641881Y (en) | Overvoltage protector for generator of heavy truck | |
| CN203965555U (en) | A kind of testing circuit of high-tension connector | |
| CN212716971U (en) | Relay control circuit for starter | |
| CN204517704U (en) | Window lifting circuit and window regulator device | |
| CN216580206U (en) | Power battery high-voltage relay system | |
| CN203352133U (en) | 12V power supply protection circuit for electrically-driven controller of electric vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 |