CN217374430U - Novel windscreen wiper high-low speed control circuit - Google Patents
Novel windscreen wiper high-low speed control circuit Download PDFInfo
- Publication number
- CN217374430U CN217374430U CN202220337688.2U CN202220337688U CN217374430U CN 217374430 U CN217374430 U CN 217374430U CN 202220337688 U CN202220337688 U CN 202220337688U CN 217374430 U CN217374430 U CN 217374430U
- Authority
- CN
- China
- Prior art keywords
- relay
- contact
- armature
- windscreen wiper
- wiper motor
- 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
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Landscapes
- Control Of Direct Current Motors (AREA)
Abstract
The utility model relates to a windscreen wiper motor control field discloses a novel high low-speed control circuit of windscreen wiper, including first relay, second relay, first relay includes first armature, and first relay corresponds first armature and is provided with contact a, contact b, and contact a ground connection, contact b are connected with the power, and the second relay includes second armature, and second relay corresponds second armature and is provided with contact c, contact d, and contact c is connected with windscreen wiper motor low-speed work return circuit, and contact d is connected with windscreen wiper motor high-speed work return circuit, and first armature is connected with second armature electricity. The problem of current windscreen wiper control circuit high-low speed effective simultaneously in the twinkling of an eye that the relay takes place adhesion trouble or high-low speed switch over is solved, the electric current can be too big, and the windscreen wiper motor is burnt out very easily to the heavy current this moment is solved.
Description
Technical Field
The utility model relates to a windscreen wiper motor control field, concretely relates to novel windscreen wiper high-low speed control circuit.
Background
The wiper motor is driven by the motor, and the rotary motion of the motor is converted into the reciprocating motion of the wiper arm through the link mechanism, so that the wiper action is realized, the wiper can work by generally switching on the motor, and a driver can select a high gear, a low gear and a stop gear on the gear regulator to adjust the current of the motor, so that the rotating speed of the motor is controlled, the speed of the wiper arm is controlled, and the wiper arm is stopped after returning.
The existing wiper control principle is that the high-speed and low-speed gear positions of the wiper motor are respectively controlled by two four-pin relays, if the relays are in adhesion failure or are switched between high and low speeds in the moment, the current is overlarge, and the wiper motor is easily burnt by a large current at the moment.
SUMMERY OF THE UTILITY MODEL
In view of the not enough of background art, the utility model provides a novel windscreen wiper high-low speed control circuit. The utility model provides a following technical scheme:
the utility model provides a novel windscreen wiper high-low speed control circuit, including first relay, second relay, first relay includes first armature, first relay corresponds first armature and is provided with contact a, contact b, contact a ground connection, contact b is connected with the power, the second relay includes second armature, the second relay corresponds second armature and is provided with contact c, contact d, contact c is connected with windscreen wiper motor low speed work return circuit, contact d is connected with windscreen wiper motor high speed work return circuit, first armature is connected with second armature electricity.
Specifically, the power supply is connected with a gear regulator, the gear regulator is connected with a BCM controller, the BCM controller is connected with a first relay and a second relay, and the BCM controller is connected with a wiper motor reset working circuit.
Specifically, first relay includes first coil, and the second relay includes the second coil, and the BCM controller includes first stitch, second stitch, third stitch, and first stitch meets with first coil, and the second stitch meets with the second coil, and the third stitch meets with windscreen wiper motor work return circuit that resets.
Compared with the prior art, the utility model, following beneficial effect has:
through the mode of connection of adjustment first relay, second relay, the control mode who controls low-speed shelves, high-speed shelves from first relay, second relay respectively changes into the control mode of first relay, second relay common control low-speed shelves, high-speed shelves, through this kind of change, during the high-low-speed switching, can not take place the effectual condition simultaneously of high-low-speed, even if the relay takes place the adhesion trouble simultaneously, also can not produce the heavy current and burn out the windscreen wiper motor.
Drawings
The utility model discloses there is following figure:
fig. 1 is a schematic structural diagram of a conventional wiper control circuit;
fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 2, in the present embodiment:
the utility model provides a novel windscreen wiper high-low speed control circuit, including first relay, second relay, first relay includes first armature, first relay corresponds first armature and is provided with contact a, contact b, contact a ground connection, contact b is connected with the power, the second relay includes second armature, the second relay corresponds second armature and is provided with contact c, contact d, contact c is connected with windscreen wiper motor low speed work return circuit, contact d is connected with windscreen wiper motor high speed work return circuit, first armature is connected with second armature electricity.
The power is connected with the gear adjuster, and the gear adjuster is connected with the BCM controller, and the BCM controller is connected with first relay, second relay, and the BCM controller is connected with windscreen wiper motor work return circuit that resets.
The first relay comprises a first coil, the second relay comprises a second coil, the BCM controller comprises a first pin, a second pin and a third pin, the first pin is connected with the first coil, the other end of the first coil is connected with a power supply, the second pin is connected with the second coil, the other end of the second coil is connected with the power supply, the third pin is connected with a resetting working circuit of the wiper motor,
the first relay and the second relay are both five-pin relays.
The utility model discloses a theory of operation and use flow:
as shown in fig. 1, in the conventional wiper control circuit, when a driver shifts a gear adjuster to a low gear, a BCM controller receives a signal from the gear adjuster, controls a coil of a first relay to be energized and attracted, and a coil of a second relay to be disconnected, so that a working circuit of the first relay is closed, a working circuit of the second relay is disconnected, a low-speed working circuit of a wiper motor is continuously triggered, and the wiper motor runs at a low speed;
when a driver adjusts the gear regulator to a high-speed gear, the BCM controller receives signals of the gear regulator, the coil of the second relay is controlled to be electrified and closed, the coil of the first relay is controlled to be disconnected, the working circuit of the second relay is closed, the working circuit of the first relay is disconnected, the high-speed working circuit of the wiper motor is continuously triggered, and the wiper motor runs at a high speed at the moment.
If the relay has adhesion fault or the instantaneous high and low speed is effective at the same time when the high and low speed is switched, the wiper motor is easily burnt by overlarge current.
When a driver adjusts the gear regulator to a low gear, the BCM controller receives a signal of the gear regulator, the first pin sends out a signal to control the first coil of the first relay to be electrified and sucked, the first armature is communicated with the contact b, the second pin sends out a signal to control the second coil of the second relay to be disconnected, the second armature is communicated with the contact c, the low-speed working circuit of the wiper motor is continuously triggered, and the wiper motor runs at a low speed at the moment;
when a driver adjusts the gear regulator to a high-speed gear, the BCM controller receives a signal of the gear regulator, the first pin sends a signal to control a first coil of the first relay to be electrified and attracted, the first armature is communicated with the contact b, the second pin sends a signal to control a second coil of the second relay to be attracted, the second armature is communicated with the contact d, a high-speed working loop of the wiper motor is continuously triggered, and the wiper motor runs at a high speed at the moment;
when a driver adjusts the gear adjuster to a stop gear, the BCM controller receives a signal of the gear adjuster, the third pin enters a state of receiving a low level signal, the first coil keeps the state that the contact b is connected, the second coil keeps the state that the contact c is connected, when the wiper returns, the BCM controller receives the low level signal, the length of the signal output by the wiper motor is not less than 45ms, after the signal reaches the required length, the first pin of the BCM controller sends out the signal to control the first coil to be disconnected, the first armature is connected with the contact a, the second pin of the BCM controller sends out the signal to control the second coil to be disconnected, the second armature is connected with the contact c, and the return of the wiper motor is completed.
This novel high low-speed control circuit of windscreen wiper, through adjusting first relay, the mode of connection of second relay, from first relay, the low-speed shelves are controlled respectively to the second relay, the control mode of high-speed shelves changes into first relay, the low-speed shelves are controlled jointly to the second relay, the control mode of high-speed shelves, through this kind of change, when high low-speed switches, can not take place the effectual condition simultaneously of high low-speed, even if adhesion trouble takes place for the relay simultaneously, can not produce the heavy current yet and burn out the windscreen wiper motor.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides a novel windscreen wiper high-low speed control circuit, a serial communication port, including first relay, second relay, first relay includes first armature, first relay corresponds first armature is provided with contact a, contact b, contact a ground connection, contact b is connected with the power, the second relay includes second armature, the second relay corresponds second armature is provided with contact c, contact d, contact c is connected with windscreen wiper motor low-speed work return circuit, contact d is connected with windscreen wiper motor high-speed work return circuit, first armature with second armature electricity is connected.
2. The novel high-low speed control circuit for the windscreen wiper as claimed in claim 1, wherein a gear regulator is connected to the power supply, a BCM controller is connected to the gear regulator, the BCM controller is connected to the first relay and the second relay, and a wiper motor reset working circuit is connected to the BCM controller.
3. The novel wiper high-low speed control circuit according to claim 2, wherein the first relay includes a first coil, the second relay includes a second coil, the BCM controller includes a first pin, a second pin, and a third pin, the first pin is connected to the first coil, the second pin is connected to the second coil, and the third pin is connected to the wiper motor reset operation loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220337688.2U CN217374430U (en) | 2022-02-15 | 2022-02-15 | Novel windscreen wiper high-low speed control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220337688.2U CN217374430U (en) | 2022-02-15 | 2022-02-15 | Novel windscreen wiper high-low speed control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217374430U true CN217374430U (en) | 2022-09-06 |
Family
ID=83100355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220337688.2U Expired - Fee Related CN217374430U (en) | 2022-02-15 | 2022-02-15 | Novel windscreen wiper high-low speed control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217374430U (en) |
-
2022
- 2022-02-15 CN CN202220337688.2U patent/CN217374430U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN217374430U (en) | Novel windscreen wiper high-low speed control circuit | |
| CN1962325A (en) | Electronic control windshield wiper | |
| CN101722932A (en) | Wiping frequency adjustable wiper control system | |
| CN104442714A (en) | Wiper controller of high-speed train | |
| CN219759412U (en) | Electric automatic furnace changing switch | |
| CN108075563B (en) | Reverse connection braking module of dual power switch control system | |
| CN108202697B (en) | Rain blowing controlled system, wiper and vehicle | |
| CN1178611A (en) | Circuit for driving an electric motor | |
| CN215219467U (en) | Electric batch operation turn number control device | |
| CN207664705U (en) | The reversing braking module of twin-power switch control system | |
| CN210149286U (en) | Wiper wiping system | |
| CN214480341U (en) | Motor control circuit | |
| CN210838442U (en) | Multi-module integrated drive control bus | |
| CN208948793U (en) | A kind of buffer gear being moved forward and backward for front loading type forklift gantry | |
| CN220156401U (en) | Non-stop intermittent pumping control system with inversion and power factor compensation | |
| CN118082751A (en) | Loader windscreen wiper control system and method | |
| CN201459393U (en) | Energy-saving adjustment device of electric sewing machine | |
| US5861723A (en) | Windscreen wiper device | |
| CN208858544U (en) | A kind of device changing metering pump speed | |
| CN213835829U (en) | Driving structure in sewing machine | |
| CN113104781B (en) | Hydraulic control system for aerial work platform and aerial work platform | |
| CN217927437U (en) | Valve system for fluid control | |
| CN214404015U (en) | Automatic water pump switching system | |
| CN220800014U (en) | Automatic control device for reject valve of ZJ17 cigarette making machine | |
| CN211569821U (en) | Variable frequency driving device of hydraulic car handling equipment |
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: 20220906 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |