CN207644365U - Driving circuit for automatic brake mechanism - Google Patents
Driving circuit for automatic brake mechanism Download PDFInfo
- Publication number
- CN207644365U CN207644365U CN201721883212.4U CN201721883212U CN207644365U CN 207644365 U CN207644365 U CN 207644365U CN 201721883212 U CN201721883212 U CN 201721883212U CN 207644365 U CN207644365 U CN 207644365U
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- China
- Prior art keywords
- relay
- pin
- diode
- driving circuit
- directly
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- 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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- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a kind of driving circuit for automatic brake mechanism,Including three relays,Two diodes and thyristor,First pin of the first relay is connected with the cathode of the first diode,The anode of first diode is connected with the third pin of the first relay,The cathode of first diode is also directly connected with the third pin of the second relay,The anode of first diode is also directly connected with the first pin of the second relay,The second pin of first relay is connected by the first capacitance with motor connectors,The anode of first diode is also directly connected with motor connectors,4th pin of the first relay is connected with the 5th pin of the second relay,5th pin of the first relay is connected by second resistance with the 4th pin of the second relay,4th pin of the second relay is also directly grounded,Node between the 5th pin and second resistance of first relay is grounded after also passing sequentially through 3rd resistor and the second capacitance.
Description
Technical field
The utility model belongs to a kind of driving circuit, more particularly to a kind of driving circuit for automatic brake mechanism.
Background technology
Recently as the continuous improvement of people's living standard and life requirement, the demand to automobile no longer meets generation
Step and amusement, some increase safeties, the demand for reducing driving fatigue are increasingly stronger.In order to solve these problems, vapour
Vehicle intelligent anticollision, unpiloted concept are suggested, currently, global important depot and parts factory are unmanned technology
It is researched and developed as emphasis, still, they make power in the sensors such as radar, image recognition and controller field mostly, seldom in vehicle
It is studied in brake automation mode.I applied entitled on November 30th, 2017《A kind of automatic brake mechanism》Practicality it is new
Type patent, wherein having used driving circuit, which uses existing circuit structure, but existing driving circuit structure
Complex and cost is higher.
Utility model content
The utility model proposes a kind of driving circuit for automatic brake mechanism, the driving circuit structure is simple and cost
It is relatively low.
To achieve the goals above, the utility model adopts the following technical solution：
A kind of driving circuit for automatic brake mechanism provided by the utility model, including first to third relay
First pin of device, the first to the second diode and thyristor, first relay is connected with the cathode of the first diode, institute
The anode for stating the first diode is connected with the third pin of the first relay, and the cathode of first diode is also directly with second
The third pin of relay is connected, and the anode of first diode is also directly connected with the first pin of the second relay, institute
The second pin for stating the first relay is connected by the first capacitance with motor connectors, and the anode of first diode is also direct
It is connected with motor connectors, the 4th pin of first relay is connected with the 5th pin of the second relay, and described first
5th pin of relay is connected by second resistance with the 4th pin of the second relay, and the 4th of second relay draws
Foot is also directly grounded, the node between the 5th pin and second resistance of first relay also pass sequentially through 3rd resistor and
It is grounded after second capacitance, the node between the 3rd resistor and the second capacitance is directly connected with the control pole of thyristor, described
The cathode of thyristor is directly grounded, and anode is directly connected with the third pin of third relay, the third of the third relay
Pin is also directly connected with the anode of the second diode, and the cathode of second diode directly draws with the second of the second relay
Foot, second and third pin of third relay are connected, and the 4th pin and the 5th pin of the third relay are vacant.
Further, the driving circuit further includes the first capacitance, and first capacitance connection is in first resistor and first
Between the second pin of relay.
Further, described first to third relay be five pin relays.
Above-mentioned driving circuit structure is simple and cost is relatively low, and the positive and negative of motor is controlled by the break-make of three relays
Turn, and the function of overcurrent protection may be implemented.
Description of the drawings
Fig. 1 is a kind of block diagram of automatic brake mechanism.
Fig. 2 is the circuit of the better embodiment of the driving circuit described in the utility model for automatic brake mechanism
Figure.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
Face combines and is specifically illustrating, and the utility model is expanded on further.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
It is a kind of block diagram of automatic brake mechanism shown in please referring to Fig.1.The preferable implementation of the automatic brake mechanism
Mode includes rotation gear 1, rack 2, stepper motor 3 and driving circuit 5.The driving circuit 5 and vehicle electronic control unit
(ECU) 6 are connected, and the driving circuit 5 is also connected with stepper motor 3.In the shaft and rotation gear 1 of the stepper motor 3
Mandrel is connected, and the wheel and rack 2 of the stepper motor 3 engages.The rack 2 is connected to brake pedal 7 and master cylinder pedal list
Between member 8, the master cylinder pedal unit 8 is also connected with wheel cylinder pressure adjusting module 9.
In the utility model, the driving circuit 5 is used to receive the control signal of vehicle electronic control unit 6.The vapour
Vehicle electronic control unit 6 belongs to more mature technology, and in automobile, the vehicle electronic control unit 6 is for acquiring each sensing
The signal of device carries out operation, and the result of operation is changed signal in order to control, controls the work of controlled device.The automobile electricity
Sub-control unit 6 is additionally operable to the control to memory, input/output interface and other external circuits.Herein no longer to automobile electricity
The technology of sub-control unit is described in detail.
When the vehicle electronic control unit 6, which is collected, is separated by closer signal with other vehicles or barrier, institute
6 transmission of control signals of vehicle electronic control unit is stated to driving circuit 5.The driving circuit 5 is received from automotive electronics control
After the control signal of unit 6 processed, Driving Stepping Motor 3 is started to work.The stepper motor 3 drives rotation gear 1 to rotate, in turn
So that rack 2 pushes the master cylinder pedal unit 8, achieve the purpose that foot-operated lower brake pedal 7.Follow-up master cylinder pedal unit 8 is such as
What carries out braking to vehicle belongs to the prior art, and details are not described herein.
In present embodiment, the rack 2 is in strip, and being provided on one side can be with rotation 1 matched gear of gear.
In the utility model, the driving circuit 5 can be also connected with controller, the controller again with Distance-sensing
Device, imaging sensor etc. are connected, and the actions such as stop to realize early warning and stop.Meanwhile the utility model is in original braking mechanism
On the basis of plus increase rotation gear 1, rack 2, stepper motor 3 and driving circuit 5, even if the automatic brake mechanism fails, user is still
The function that brake can be realized by brake pedal 7, has accomplished multiple security.
It is a kind of driving circuit for automatic brake mechanism described in the utility model shown in Fig. 2
Better embodiment circuit diagram.The driving circuit 5 includes the first relay JR1, the second relay JR2, third relay
Device JR3, the first diode D1, the second diode D2, thyristor D3, first resistor R1, second resistance R2,3rd resistor R3,
One capacitance C1 and the second capacitance C2.
In present embodiment, the first relay JR1, the second relay JR2, third relay JR3 are five pins
Relay.The first pin of the first relay JR1 is connected with the cathode of the first diode D1, the first diode D1's
Anode is connected with the third pin of the first relay JR1, the cathode of the first diode D1 also directly with the second relay JR2
Third pin be connected, the anode of the first diode D1 is also directly connected with the first pin of the second relay JR2.It is described
The second pin of first relay JR1 passes sequentially through the first capacitance C1 and first resistor R1 is connected with motor connectors, and described
The anode of one diode D1 is also directly connected with motor connectors.
The 4th pin of the first relay JR1 is connected with the 5th pin of the second relay JR2, first relay
The 5th pin of device JR1 is connected by second resistance R2 with the 4th pin of the second relay JR2, the second relay JR2
The 4th pin be also directly grounded.Node between the 5th pin and second resistance R2 of the first relay JR1 is also successively
By being grounded after 3rd resistor R3 and the second capacitance C2.Node between the 3rd resistor R3 and the second capacitance C2 directly with crystalline substance
The control pole of brake tube D3 is connected, and the cathode of the thyristor D3 is directly grounded, and third of the anode directly with third relay JR3 is drawn
Foot is connected, and the third pin of the third relay JR3 is also directly connected with the anode of the second diode D2, the two or two pole
The cathode of pipe D2 is directly connected with second and third pin of the second pin of the second relay JR2, third relay JR3.Institute
The 4th pin and the 5th pin for stating third relay JR3 are vacant.
Above-mentioned driving circuit controls the positive and negative rotation of motor by the break-make of three relays, and overcurrent protection may be implemented
Function.
It these are only the embodiment of the utility model, it does not limit the scope of the patent of the present invention, every profit
The equivalent structure made by the utility model specification and accompanying drawing content is directly or indirectly used in other relevant technology necks
Domain, similarly within the scope of patent protection of the utility model.
Claims (3)
1. a kind of driving circuit for automatic brake mechanism, it is characterised in that：The driving circuit include first to third after
First pin of electric appliance, the first to the second diode and thyristor, first relay is connected with the cathode of the first diode,
The anode of first diode is connected with the third pin of the first relay, and the cathode of first diode is also directly with
The third pin of two relays is connected, and the anode of first diode is also directly connected with the first pin of the second relay,
The second pin of first relay is connected by the first capacitance with motor connectors, and the anode of first diode is also straight
It connecing and is connected with motor connectors, the 4th pin of first relay is connected with the 5th pin of the second relay, and described
5th pin of one relay is connected by second resistance with the 4th pin of the second relay, and the 4th of second relay the
Pin is also directly grounded, and the node between the 5th pin and second resistance of first relay also passes sequentially through 3rd resistor
And second be grounded after capacitance, the node between the 3rd resistor and the second capacitance is directly connected with the control pole of thyristor, institute
The cathode for stating thyristor is directly grounded, and anode is directly connected with the third pin of third relay, and the of the third relay
Three pins are also directly connected with the anode of the second diode, the cathode of second diode directly with the second relay second
Pin, second and third pin of third relay are connected, and the 4th pin and the 5th pin of the third relay are vacant.
2. being used for the driving circuit of automatic brake mechanism as described in claim 1, it is characterised in that：The driving circuit also wraps
The first capacitance is included, first capacitance connection is between first resistor and the second pin of the first relay.
3. being used for the driving circuit of automatic brake mechanism as described in claim 1, it is characterised in that：Described first to third after
Electric appliance is five pin relays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883212.4U CN207644365U (en) | 2017-12-28 | 2017-12-28 | Driving circuit for automatic brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883212.4U CN207644365U (en) | 2017-12-28 | 2017-12-28 | Driving circuit for automatic brake mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207644365U true CN207644365U (en) | 2018-07-24 |
Family
ID=62876557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721883212.4U Expired - Fee Related CN207644365U (en) | 2017-12-28 | 2017-12-28 | Driving circuit for automatic brake mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207644365U (en) |
-
2017
- 2017-12-28 CN CN201721883212.4U patent/CN207644365U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20181228 |