CN201484205U - Electronic assisting brake circuit - Google Patents
Electronic assisting brake circuit Download PDFInfo
- Publication number
- CN201484205U CN201484205U CN2009201395332U CN200920139533U CN201484205U CN 201484205 U CN201484205 U CN 201484205U CN 2009201395332 U CN2009201395332 U CN 2009201395332U CN 200920139533 U CN200920139533 U CN 200920139533U CN 201484205 U CN201484205 U CN 201484205U
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- CN
- China
- Prior art keywords
- switch
- brake
- power supply
- motor
- change
- 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
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- Braking Elements And Transmission Devices (AREA)
Abstract
The utility model provides an electronic assisting brake circuit, relating to an electronic brake circuit; the electronic assisting brake circuit has stable and reliable working, low cost and long service life; the electronic assisting brake circuit comprises a power supply, a fuse, a power supply switch, a change-over switch, a brake switch and a motor; two ends of the fuse are respectively connected with the power supply and the power supply switch, the brake switch is respectively connected with the motor, the power supply switch and the change-over switch, and the change-over switch is connected with the motor and the power supply; the power supply is switched off by the action of the brake switch and the brake switch forms a return circuit with the motor to prevent the motor operation, so as to realize brake function; one double-pole-double-throw switch is used as the brake switch to replace the traditional mechanical brake device, the cost is not only reduced, but also the service life is greatly prolonged.
Description
Technical field
The utility model relates to a kind of electric brake circuit, particularly relates to a kind of electronics assist brake circuit that is mainly used in rideable electric children vehicle.
Background technology
Brake gear is a battery-driven car, the indispensable device of electric children vehicle especially, and existing battery-driven car is general, and what use is a kind of mechanical braking device, not only cost height, and life-span is short.
Notification number provides a kind of brake gear of children's electric motor vehicle for the utility model patent of CN2700223, comprise by the brake lever fulcrum shaft be pivotally connected to brake lever on the car body, be arranged on brake contact element on the described brake lever, with described car body phase pivot bonded assembly handle bar, be fixed with cam on the described handle bar, described cam and the described second bar portion are inconsistent.Rotating cam tight this brake gear of stopping, cam locks at locked position mutually with the second bar portion on the brake lever, until rotating cam it is unclamped, and need not continue to push down cam so stop when tight, and rapid operation makes things convenient for.
Notification number provides a kind of startup and brake device of children's electric motor vehicle for the utility model patent of CN2488747, it is a foot-operated switch of polyphone and one six pin change-over swith between battery and electrical motor, when electrical motor when foot-operated switch is depressed, show as rotation, when foot-operated switch is decontroled, because of effect of inertia, electrical motor can be rotated further, so that produce counter potential voltage, make motor braking, show as the inner gear of the gear box braking, be electric vehicle brake, drive the hidden danger that the car children bring thereby avoided battery-driven car to give because of no brake gear.
Summary of the invention
The purpose of this utility model is to provide the electronics assist brake circuit that a kind of working stability is reliable, cost is lower, the life-span is long.
The utility model is provided with power supply, wire fuse, source switch, change-over swith, BK Brake Switch and motor, the wire fuse two ends are connected with source switch with power supply respectively, BK Brake Switch is connected with motor, source switch and change-over swith respectively, and change-over swith connects motor and power supply.
Described power supply can adopt battery.
Described BK Brake Switch can adopt double pole double throw.
The utlity model has following outstanding advantage:
1) utilizes the action power dump of BK Brake Switch, and form the running that stops motor behind the loop, realize the function of brake with motor.
2) with 1 double pole double throw as BK Brake Switch, replace traditional mechanical braking device, not only cost is lower, and can prolong greatly service life.
Description of drawings
Fig. 1 is that the circuit of the utility model embodiment is formed schematic diagram.
The principle sketch of motor and BK Brake Switch when Fig. 2 brakes for the utility model embodiment.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
As shown in Figure 1, the utility model embodiment is provided with battery BT1, wire fuse F1, source switch S1, change-over swith S2, BK Brake Switch S3 and motor M 1, wire fuse F1 two ends connect battery BT1 and source switch S1 respectively, BK Brake Switch S3 is connected with motor M 1, source switch S1 and change-over swith S2 respectively, and change-over swith S2 connects battery BT1 and motor M 1.
BK Brake Switch S3 adopts double pole double throw.
In the present embodiment, when BK Brake Switch S3 was in normally off, the contact 4 of BK Brake Switch S3 was connected with contact 6, and promptly source switch S1 is connected to change-over swith S2, battery BT1 gives motor M 1 power supply by wire fuse F1, source switch S1 and change-over swith S2, motor M 1 normal operation.
When BK Brake Switch S3 switched to normally open, the contact 4 of BK Brake Switch S3 disconnected with contact 6, and promptly source switch S1 is cut off to the circuit of change-over swith S2, and battery BT1 can't give motor M 1 power supply; The contact 1 of BK Brake Switch S3 is connected to contact 2 simultaneously, and promptly the two ends of motor M 1 are formed loop (as Fig. 2) by BK Brake Switch S3 short circuit.If this moment, motor M 1 remained in operation, because the principle of electromagnetic induction has electric current and flows through in the loop, electric current flows through brings oppositely directed power can for the running of motor, stops motor rotation, realizes the function of brake.
This shows that the utility model only uses 1 double pole double throw, can replace traditional mechanical braking device, has obviously reduced cost, has prolonged service life.
Claims (3)
1. electronics assist brake circuit, it is characterized in that being provided with power supply, wire fuse, source switch, change-over swith, BK Brake Switch and motor, the wire fuse two ends are connected with source switch with power supply respectively, BK Brake Switch is connected with motor, source switch and change-over swith respectively, and change-over swith connects motor and power supply.
2. a kind of electronics assist brake circuit as claimed in claim 1 is characterized in that described power supply is a battery.
3. a kind of electronics assist brake circuit as claimed in claim 1 is characterized in that described BK Brake Switch is a double pole double throw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201395332U CN201484205U (en) | 2009-07-16 | 2009-07-16 | Electronic assisting brake circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201395332U CN201484205U (en) | 2009-07-16 | 2009-07-16 | Electronic assisting brake circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201484205U true CN201484205U (en) | 2010-05-26 |
Family
ID=42423100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201395332U Expired - Fee Related CN201484205U (en) | 2009-07-16 | 2009-07-16 | Electronic assisting brake circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201484205U (en) |
-
2009
- 2009-07-16 CN CN2009201395332U patent/CN201484205U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120716 |