CN207416810U - Vehicle parking control device and the safety guard for vehicle parking - Google Patents
Vehicle parking control device and the safety guard for vehicle parking Download PDFInfo
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- CN207416810U CN207416810U CN201721529211.XU CN201721529211U CN207416810U CN 207416810 U CN207416810 U CN 207416810U CN 201721529211 U CN201721529211 U CN 201721529211U CN 207416810 U CN207416810 U CN 207416810U
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- vehicle parking
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Abstract
The utility model is related to a kind of vehicle parking control device and the safety guard for vehicle parking, vehicle parking control device includes entire car controller, hard signal transmission line, safety guard and Lun Bian electric drives mechanism；Safety guard is connected between entire car controller and Lun Bian electric drives mechanism, including microprocessor, the first signal conditioning circuit, oil pump driven circuit, secondary signal modulate circuit, valve-driving circuit and more than one switch detection circuit；First, second signal conditioning circuit and each switch detection circuit connect the different input ports of microprocessor respectively；Oil pump driven circuit and valve-driving circuit are electrically connected respectively with the different output port of microprocessor；The real-time detection wheel side electric drive mechanism oil temperature of safety guard, oil pressure, parked state, and its working condition and failure diagnosis information are transmitted by CAN bus, harness is few, and oil pump, parking control function realize bus and hardware signal dual redundant, and reliability is high.
Description
Technical field
The application belongs to vehicle chassis wheel side electric drive art drive systems field, and in particular to a kind of vehicle parking control
Equipment and the safety guard for vehicle parking.
Background technology
Lun Bian electric drives mechanism is the transmission mechanism of electric drive chassis key, connects actual wheel, is vehicle parking control
Final executing agency in equipment, it is desirable that compact-sized, reliability is high.Hydraulic system is that wheel side electric drive body function is realized
Basis determines the functions such as the parking of Lun Bian electric drives mechanism, heat dissipation, lubrication.The quality of the working condition of hydraulic system also influences wheel
The safe and reliable work of side electric drive mechanism.
At present driving mechanism structure design, layout etc. are laid particular emphasis on to the improvement of Lun Bian electric drives mechanism in the industry more, have no side
Achievement in research in terms of the safeguard protection of roller side electric drive mechanism.
The content of the invention
For improve vehicle parking control device security, the utility model proposes a kind of vehicle parking control device with
And the safety guard for vehicle parking, by setting safeguard protection between entire car controller and Lun Bian electric drives mechanism
Device meets the work requirements such as wheel side electric drive mechanism controls, status monitoring, fault diagnosis, while gathers nearby well
The a variety of run signal of Lun Bian electric drives mechanism, and be converted to CAN bus information and be sent to entire car controller, substantially increase wheel side
The safety in operation of electric drive mechanism, and then improve the security of vehicle parking control device.
Technical solution is a kind of vehicle parking control device, including vehicle control used by realizing the utility model aim
Device processed, hard signal transmission line and more than one Lun Bian electric drives mechanism, the Lun Bian electric drives mechanism include at least oil pump, electricity
Magnet valve and travel switch, the oil pump, by pipeline connection, further include safety guard, the safety is protected with the solenoid valve
Protection unit is connected between the entire car controller and the Lun Bian electric drives mechanism；
The safety guard includes microprocessor, the first signal conditioning circuit, oil pump driven circuit, secondary signal tune
Circuit, valve-driving circuit and more than one switch detection circuit are managed, wherein：
The microprocessor and the entire car controller information exchange；
The input port of the switch detection circuit connects the travel switch, output port connects the microprocessor；
Described in the input port of first signal conditioning circuit connects the hard signal transmission line, output port connects
Microprocessor；
The input port of the oil pump driven circuit is electrically connected with the microprocessor, output port is connected the oil pump；
Described in the input port of the secondary signal modulate circuit connects the hard signal transmission line, output port connects
Microprocessor；
The input port of the valve-driving circuit is electrically connected with the microprocessor, output port is connected the solenoid valve.
Preferably, the safety guard further includes oil pump redundancy control circuit, the oil pump redundancy control circuit
First input port connects the hard signal transmission line, the second input port connects the microprocessor, output port connection
The oil pump driven circuit.
Preferably, the safety guard further includes valve redundancy control circuit, and the first of the valve redundancy control circuit
Input port connects the hard signal transmission line, the second input port connects the microprocessor, described in output port connection
Valve-driving circuit.
Preferably, the Lun Bian electric drives mechanism further includes Fuel Tanking Unit, cylinder body, piston, brake component and reset components,
The Fuel Tanking Unit is connected by pipeline with the oil pump and forms working connection, and the solenoid valve is connected with the cylinder body by pipeline
Parking braking oil circuit is formed, the parking braking oil circuit connects the working connection, and one end of the piston is arranged at the cylinder body
The interior, other end is connected with the brake component, the reset components be located at the one side of the brake component and with the braking
Component connects, and the travel switch connects the brake component.
Preferably, the Lun Bian electric drives mechanism further includes lubricant passage way and heat dissipation oil circuit, the lubricant passage way and described
Heat dissipation oil circuit is all connected with the working connection, and the parking braking oil circuit, the lubricant passage way and the heat dissipation oil circuit are described
The branch of working connection, 3 branch circuit parallel connections.
Preferably, the Lun Bian electric drives mechanism further includes first pressure switch and second pressure switch, first pressure
Power switch is arranged on the lubricant passage way, and the second pressure switch is arranged on the heat dissipation oil circuit.
Preferably, the quantity of the switch detection circuit is not less than the travel switch and pressure of the vehicle parking control device
Described in the sum of power switch, first pressure switch and the second pressure are switched and connected by the switch detection circuit
Microprocessor.
Preferably, the Lun Bian electric drives mechanism further includes oil temperature sensor；The safety guard further includes oil temperature
Detection circuit, the oil temperature sensor access the oil temperature detection circuit, the output port connection institute of the oil temperature detection circuit
State microprocessor.
Preferably, the microprocessor is connected by CAN bus with the entire car controller.
The utility model additionally provides a kind of safety guard for vehicle parking, and the safety guard includes
Microprocessor, the first signal conditioning circuit, oil pump driven circuit, secondary signal modulate circuit, valve-driving circuit and more than one
Switch detection circuit, wherein：
First signal conditioning circuit connects the first input port of the microprocessor；
The oil pump driven circuit is electrically connected with the first output port of the microprocessor；
The secondary signal modulate circuit connects the second input port of the microprocessor；
The valve-driving circuit is electrically connected with the second output terminal mouth of the microprocessor；
Each switch detection circuit connects other input ports of the microprocessor respectively.
As shown from the above technical solution, vehicle parking control device provided by the utility model, in entire car controller and wheel
Safety guard is set between the electric drive mechanism of side, for improving the safety of vehicle parking accuracy of action and parking apparatus
Property.The signal that is generated during for vehicle parking and action is performed, which devises corresponding functional circuit, passes through
The high level signal of generation when first, second signal conditioning circuit is by vehicle parking is nursed one's health into the receivable low electricity of microprocessor
Ordinary mail number, by switch detection circuit detect vehicle parking when each switching device whether precision maneuver, pass through oil pump driven circuit
Actuating signal can be sent to the oil pump for performing parking or parking releasing action, it can be to execution parking or parking by valve-driving circuit
The solenoid valve of releasing action sends actuating signal, and above-mentioned each functional circuit is all connected with microprocessor, and microprocessor receives each function
The signal of circuit transmission simultaneously makes accurate instruction, is sent to oil pump driven circuit and valve-driving circuit.
The vehicle parking control device of the utility model can precisely complete send parking instruct to perform parking act this
One entire parking process, entire car controller are used to the operation of driver being converted into electric signal instruction, and Lun Bian electric drives mechanism uses
In performing parking action, realize that entire car controller and the signal of Lun Bian electric drives mechanism transfer by safety guard, wherein micro-
Processor receives the parking information rigid line that the parking bus signal of entire car controller transmission and signal conditioning circuit are sent
Signal realizes that solenoid valve break-make controls by valve-driving circuit, and then realizes that the parking of Lun Bian electric drives mechanism, parking release work(
Energy；Whether each switching device accurately moves when microprocessor can monitor vehicle parking by receiving the signal of switch detection circuit
Make, and fault alarm information is transmitted to entire car controller, improve the reliability and security of the work of Lun Bian electric drives mechanism.
Lun Bian electric drives mechanism is directly controlled by entire car controller compared to current vehicle parking control device, due to vehicle
Controller only handles electrical signal, not yet establishes with hydraulic system and sufficiently contacts, and there are the malfunctions of Lun Bian electric drives mechanism
Hidden danger, safety guard provided by the utility model effectively establish existing vehicle parking control device electric control part with
Contact between hydraulic part so that the Hydraulic Elements such as oil pump, solenoid valve precisely perform the parking order that entire car controller is sent,
Vehicle parking accuracy of action is improved, and the security of vehicle parking control device is also increased dramatically.
Description of the drawings
Fig. 1 is the structure diagram of vehicle parking control device in the utility model embodiment；
Fig. 2 is the hydraulic schematic diagram of the utility model embodiment Zhong Lunbian electric drives mechanism；
Fig. 3 is the structure diagram of safety guard in the utility model embodiment；
Fig. 4 is the circuit diagram of switch detection circuit in the utility model embodiment；
Fig. 5 is the circuit diagram of oil temperature detection circuit in the utility model embodiment；
Fig. 6 is the circuit diagram of redundancy control circuit in the utility model embodiment.
Reference sign：1- Fuel Tanking Units；2- fine filters；3- oil pumps；4- solenoid valves；5- cylinder bodies；6- pistons；7- is braked
Component；8- reset components；9- travel switches；10- first pressures switch；11- second pressures switch；12- lubricant passage ways；13- dissipates
Deep fat road.
Specific embodiment
In order to which the application person of ordinary skill in the field is made to be more clearly understood that the application, below in conjunction with the accompanying drawings, lead to
Specific embodiment is crossed to be described in detail technical scheme.
In entire vehicle design, at least using double drive, i.e. two of which wheel directly drives 4 wheeled vehicles, therefore in vehicle
Two wheel side electric drive mechanisms are at least set, and the vehicle parking control device that the utility model embodiment provides is for vehicle
The requirement such as all Lun Bian electric drives mechanism parking controls, safety monitoring and design, by taking vehicle front-wheel double drive as an example, referring to Fig. 1,
The vehicle parking control device that the utility model embodiment provides, including entire car controller, hard signal transmission line, safeguard protection
Device and 2 Ge Lunbian electric drives mechanisms, the safety guard are connected between entire car controller and Lun Bian electric drives mechanism, are
Lun Bian electric drives mechanism provides parked state monitoring, the monitoring of wheel side electric drive construction system oil pressure state, Lun Bian electric drives mechanism
The monitoring of system oil temperature state, parking function control, lubricating function control, heat sinking function control etc., and by CAN bus to vehicle
Entire car controller provide warning message.
Lun Bian electric drives mechanism is the final actuator of vehicle parking, and referring to Fig. 2, which includes：
Fuel Tanking Unit 1, fine filter 2, oil pump 3, solenoid valve 4, cylinder body 5, piston 6, brake component 7, reset components 8, travel switch 9,
One pressure switch 10, second pressure switch 11, lubricant passage way 12 and heat dissipation oil circuit 13, wherein：
Fuel Tanking Unit 1, fine filter 2 and oil pump 3 are connected by pipeline and form working connection, and solenoid valve 4 and cylinder body 5 pass through pipeline
Connection composition parking braking oil circuit, 3 branches of parking braking oil circuit, lubricant passage way 12 and the heat dissipation composition working connection of oil circuit 13,3
Branch circuit parallel connection, each Lun Bian electric drives mechanism are each equipped with respective cylinder body 5, piston 6, brake component 7, reset components 8 and row
Cheng Kaiguan 9, working connection, lubricant passage way 12 and heat dissipation oil circuit 13 are to share oil circuit, are pacified on lubricant passage way and heat dissipation oil circuit
Pressure switch 10,11 has been filled, has monitored the oil pressure of above-mentioned two branches in real time；Lun Bian electric drives mechanism is also provided with oil temperature sensing
Device detects the oil temperature of oil circuit.
As described in Figure 2, one end of piston 6 is arranged in cylinder body 5, the other end and brake component 7 connect, under hydraulic action
Piston 6 promotes brake component 7 to move, and realizes that parking releases；Brake component 7 is brake disc, and hub for vehicle wheel is compressed in parking；It is multiple
Position component 8 is return spring, which is compression spring, is arranged on the one side of brake disc, one end connection braking of return spring
Component 7, the other end are fixed on the fixation kit of vehicle, and brake disc compresses wheel hub under the action of return spring during parking；Row
The rod piece that Cheng Kaiguan 9 transfers movement by one is connected with brake component, rod piece one end connection brake component, other end connection row
Cheng Kaiguan 9 connects the switching state of the action of brake component and travel switch.
The operation principle of above-mentioned Lun Bian electric drives mechanism is：In working connection, fluid passes through in Fuel Tanking Unit 1 when oil pump 3 works
Fine filter 2 is sent into fluid pressure line, 3 branch circuit parallel connection of fluid pressure line after filtering, the first branch is parking braking oil circuit, and the second branch is
Lubricant passage way 12, the 3rd branch are heat dissipation oil circuit 13.
During parking, solenoid valve 4 does not work, and without oil pressure in cylinder body 5, brake disc compresses under return spring effect, realizes wheel
Side electric drive structure braking function, while under return spring effect travel switch 9 is driven to disconnect.
When parking releases, solenoid valve 4 works, and oil pump 3 provides fluid and enters in cylinder body 5, under system hydraulic action, promotes
Piston 6 overcomes the compression stress of return spring mobile to diagram right side (direction of compression retracteding position spring) so that brake disc is unclamped, real
The parking of Xian Lunbian electric drives mechanism releases, while travel switch 9 is connected.
Safety guard establishes contacting between electric control part and Hydraulic Elements in vehicle parking control device, referring to figure
3, safety guard specifically includes：Microprocessor, switch detection circuit, oil temperature detection circuit, the first signal conditioning circuit, oil
Pump redundancy control circuit, oil pump driven circuit, secondary signal modulate circuit, valve redundancy control circuit and valve-driving circuit.
Microprocessor accesses the entire car controller of vehicle by CAN bus, receives the parking bus letter that vehicle is sent
Number, it realizes that solenoid valve break-make controls by valve-driving circuit, and then realizes the parking of Lun Bian electric drives mechanism, parking removing function.
Switch detection circuit is for gathering switching signal, and for particular number depending on actual needs, switch detection circuit can
It gathers travel switch, the signal of the switching devices such as pressure switch, 4 switch detections is connected with altogether on microprocessor in the present embodiment
Circuit, 4 switch detection circuits connect left and right travel switch (corresponding Liang Gelunbian electric drives mechanism) and first, the respectively
Two pressure switches, each switch detection circuit is identical, is switch detection circuit shown in Fig. 4, switching signal is by switch detection circuit
In ports input, and switch detection circuit out ports connect the I/O ports of microprocessor；Microprocessor gathers left and right travel switch
On-off state, and travel switch state is transmitted to entire car controller by CAN bus；Microprocessor is combined and received
Parking information, the parking switch signal that collects, fault diagnosis is carried out to parking switch state；Microprocessor gathers lubricating oil
Road, heat dissipation oil circuit pressure on off state, and pressure switch state is transmitted to entire car controller, two pressure by CAN bus
Switch is mutually redundant.
Oil temperature detection circuit is as shown in figure 5, oil temperature sensor BT is directly accessed in oil temperature detection circuit, oil temperature detection circuit
Output port connection microprocessor AD ports；Microprocessor gathers oil temperature parameter, when oil temperature is more than given threshold, then it is assumed that
Lun Bian electric drives mechanism excess temperature failure, and warning message is transmitted to entire car controller by CAN bus.
Input port connection hard signal transmission line, the output port connection microprocessor of first signal conditioning circuit, the
One signal conditioning circuit receives the vehicle power supply signal of hard signal transmission line, 24V vehicle power supply signals are modulated into 0~
5V microprocessors can handle signal, microprocessor acquisition vehicle power supply hard signal, and combine aforementioned pressure switching signal state
Whether normal diagnose Lun Bian electric drives mechanism hydraulic work system.
Input port connection hard signal transmission line, the output port connection microprocessor of secondary signal modulate circuit, the
Binary signal modulate circuit receive hard signal transmission line vehicle parking signal, by vehicle parking signal be modulated into 0 or
4.5V microprocessors can recognize that level signal, and microprocessor gathers vehicle parking signal by secondary signal modulate circuit, simultaneously
Receive the vehicle parking bus signals that the entire car controller of vehicle is transmitted by CAN bus.
Oil pump driven circuit connects oil pump, receives oil pump control signal, and driving oil pump stops or work, realizes that wheel side electricity drives
The parking of motivation structure or parking removing function.
Valve-driving circuit connects solenoid valve, receives parking control signal, and drive magnetic valve turns off or on, and realizes wheel side electricity
Driving mechanism parking or parking removing function.
Oil pump redundancy control circuit is identical with valve redundancy control circuit, is redundancy control circuit shown in Fig. 6, Redundant Control
There are two input port in_1, in_2 and the transmission of an output port out, input port in_1 connection hard signal for circuit tool
Line receives the vehicle parking signal of hard signal transmission line or vehicle power supply signal, input port in_2 connection microprocessors
Device receives parking control signal or oil pump control signal, output port out connection valve-driving circuits or oil that microprocessor is sent
Pump driving circuit.Multiple conducting wires are generally configured in vehicle, for the transmission of hard signal, such as power supply signal, parking signal, switch
Signal etc..The setting of redundancy control circuit causes oil pump control, parking control to realize that bus signal control and hard signal control
Mutual redundancy, reliability is high, even if exception occurs in microprocessor, also can guarantee the normal work of oil pump, solenoid valve.
In practical operation, the specific connection relation of each circuit and microprocessor is in above-described embodiment：Left travel switch inspection
Slowdown monitoring circuit is connected to microprocessor IO_1 pins, and right lateral journey switch detection circuit is connected to microprocessor IO_2 pins, lubricating oil
Road pressure switch detection circuit is connected to microprocessor IO_3 pins, and heat dissipation oil circuit pressure switch detection circuit is connected to microprocessor
Device IO_4 pins, secondary signal modulate circuit (vehicle parking signal detects circuit) are connected to microprocessor IO_5 pins；Oil temperature
Detection circuit is connected to microprocessor AD_1 pins, and the first signal conditioning circuit (vehicle power detecting circuit) is connected to microprocessor
Device AD_2 pins；Microprocessor output pin OUTPUT1 is connected to oil pump redundancy control circuit, microprocessor output pin
OUTPUT2 is connected to valve redundancy control circuit.
Lun Bian electric drives mechanism is directly controlled by entire car controller compared to current vehicle parking control device, due to vehicle
Controller only handles electrical signal, not yet establishes with hydraulic system and sufficiently contacts, and there are the malfunctions of Lun Bian electric drives mechanism
Hidden danger, safety guard provided by the utility model effectively establish existing vehicle parking control device electric control part with
Contact between hydraulic part, the vehicle parking control device can be wheel side electric drive by setting safety guard
The oil pump of structure provides driving power, and the solenoid valve for Lun Bian electric drives mechanism provides switching signal, is vehicle wheel side electric drive
Structure provides parking, parking releases, lubrication, radiating control function；The safety guard, which possesses, improves fault diagnosis functions, can
Monitoring Lun Bian electric drives mechanism oil temperature, oil pressure, parked state in real time, and warning message is provided.
For in existing vehicle parking control device, entire car controller and Lun Bian electric drives mechanism are each by wire transmission
Kind sensor detection signal (hard signal) causes the drawbacks such as the excessive, system complex of harness, also affects Lun Bian electric drives mechanism
Security.The vehicle parking control device that above-described embodiment provides, by wheel side electric drive working condition and failure diagnosis information
It is transmitted by CAN bus, all control instructions and signal message are transmitted by CAN bus, overcome existing wheel side electric drive
The drawbacks such as mechanism harness is excessive, system complex, are conducive to the system integration.
In the safety guard of above-described embodiment, microprocessor can receive vehicle power supply signal, whole by CAN bus
Vehicle parking signal status information (bus signals) gathers vehicle power supply signal, vehicle simultaneously also by two signal conditioning circuits
Parking signal information (hard signal) ensure that oil pump control signal, the reliability of parking control signal of microprocessor output.
By two redundancy control circuits, even if exception occurs in microprocessor, the normal work of oil pump, solenoid valve also can guarantee.
Above-mentioned vehicle parking control device specific work process is as follows：
(1) during vehicle traveling, microprocessor gathers vehicle power supply signal in real time by the first signal conditioning circuit, together
When receive vehicle power supply signal information transmit by CAN bus of entire car controller, when vehicle power supply is higher than given voltage value V1,
Oil pump control signal is effective, oil pump normal work；When vehicle power supply is less than given voltage value V1, oil pump control signal is invalid, oil
Air pump inoperative, microprocessor are diagnosed as the low failure of system voltage, and pass through CAN bus by transmitting fault information to full-vehicle control
Device.
(2) when needing parking, driver sends parking by entire car controller and instructs, and microprocessor receives entire car controller
The parking transmitted by CAN bus instructs, while gathers vehicle parking signal (hard signal), receives vehicle parking signal
CAN bus messages or vehicle parking signal (wire transmission), parking signal is effective, and parking control signal is effective, solenoid valve not work
To make, without oil pressure in cylinder body, brake disc compresses under return spring effect, realization Lun Bian electric drives mechanism parking function, while
Under the action of return spring, left and right travel switch disconnects.
When parking releases, parking control signal is invalid, electromagnetic valve work, oil-filled in cylinder body, the movement of piston overpowers spring force,
Brake disc is unclamped, while travel switch is connected.
Microprocessor gathers left and right stroke on off state, system operation of oil pump normal (oil pump fault-free) and parking signal has
Effect, travel switch disconnect then that its is working properly, otherwise travel switch failure.Fault message is passed fault message by CAN bus
Transport to entire car controller.
(3) during vehicle traveling, microprocessor gathers oil temperature signal in real time, and temperature bound is respectively TL, TH, is exceeded
Value is diagnosed as oil temperature sensor line fault to given temperature up and down；When oil temperature beyond given temperature value T1 (T1 between TL and TH it
Between) when, it is diagnosed as the high failure of temperature.Fault message is transmitted to entire car controller by CAN bus.
(4) during vehicle traveling, microprocessor gathers lubricant passage way pressure switch, heat dissipation oil circuit pressure switch letter in real time
Number, the two is mutually redundant.When vehicle power supply is normal, two pressure switches are closed, oil pump systems failure is diagnosed as；When vehicle electricity
Source is normal, and one of pressure switch is closed, another pressure switch disconnects, then is diagnosed as the pressure switch failure disconnected.Therefore
Barrier information is transmitted to entire car controller by CAN bus.
Structure, application method of the above by taking vehicle parking control device as an example to safety guard have carried out in detail
It introduces, but the application of safety guard provided by the utility model is not limited to above-described embodiment institute demonstration example, for appointing
How electric signal transmission instruction, the vehicle with Hydraulic Elements execution parking action, can be used the safety guard, specific interior
Details are not described herein again for appearance.
Although the preferred embodiment of the application has been described, one of ordinary skilled in the art once knows substantially
Creative concept can then make these embodiments other change and modification.So appended claims are intended to be construed to wrap
It includes preferred embodiment and falls into all change and modification of the application scope.
Obviously, those skilled in the art can carry out the application essence of the various modification and variations without departing from the application
God and scope.In this way, if these modifications and variations of the application belong to the scope of the application claim and its equivalent technologies
Within, then the application is also intended to comprising including these modification and variations.
Claims (10)
1. a kind of vehicle parking control device, including entire car controller, hard signal transmission line and more than one wheel side electric drive
Mechanism, the Lun Bian electric drives mechanism include at least oil pump, solenoid valve and travel switch, and the oil pump passes through with the solenoid valve
Pipeline connection, it is characterised in that：Further include safety guard, the safety guard be connected to the entire car controller with
Between the Lun Bian electric drives mechanism；
The safety guard includes microprocessor, the first signal conditioning circuit, oil pump driven circuit, secondary signal conditioning electricity
Road, valve-driving circuit and more than one switch detection circuit, wherein：
The microprocessor and the entire car controller information exchange；
The input port of the switch detection circuit connects the travel switch, output port connects the microprocessor；
The input port of first signal conditioning circuit connects the hard signal transmission line, output port connects micro- place
Manage device；
The input port of the oil pump driven circuit is electrically connected with the microprocessor, output port is connected the oil pump；
The input port of the secondary signal modulate circuit connects the hard signal transmission line, output port connects micro- place
Manage device；
The input port of the valve-driving circuit is electrically connected with the microprocessor, output port is connected the solenoid valve.
2. vehicle parking control device as described in claim 1, it is characterised in that：The safety guard further includes oil pump
Redundancy control circuit, the first input port of the oil pump redundancy control circuit connect the hard signal transmission line, second defeated
Inbound port connects the microprocessor, output port connects the oil pump driven circuit.
3. vehicle parking control device as described in claim 1, it is characterised in that：It is superfluous that the safety guard further includes valve
Remaining control circuit, the first input port of the valve redundancy control circuit connect the hard signal transmission line, the second input terminal
Mouth connects the microprocessor, output port connects the valve-driving circuit.
4. vehicle parking control device as described in claim 1, it is characterised in that：The Lun Bian electric drives mechanism further includes storage
Oily device, cylinder body, piston, brake component and reset components, the Fuel Tanking Unit and the oil pump connect composition master by pipeline
Oil circuit, the solenoid valve and the cylinder body are connected by pipeline forms parking braking oil circuit, and the parking braking oil circuit connects institute
State working connection, one end of the piston is arranged in the cylinder body, the other end is connected with the brake component, the reset components
It is connected positioned at the one side of the brake component and with the brake component, the travel switch connects the brake component.
5. vehicle parking control device as claimed in claim 4, it is characterised in that：The Lun Bian electric drives mechanism further includes profit
Lubricating oil road and heat dissipation oil circuit, the lubricant passage way and the heat dissipation oil circuit are all connected with the working connection, the parking braking oil circuit,
The lubricant passage way and it is described heat dissipation oil circuit be the working connection branch, 3 branch circuit parallel connections.
6. vehicle parking control device as claimed in claim 5, it is characterised in that：The Lun Bian electric drives mechanism further includes
One pressure switch and second pressure switch, the first pressure switch are arranged on the lubricant passage way, and the second pressure is opened
Pass is arranged on the heat dissipation oil circuit.
7. vehicle parking control device as claimed in claim 6, it is characterised in that：The quantity of the switch detection circuit is not small
In the travel switch of the vehicle parking control device and the sum of pressure switch, the first pressure switch and the described second pressure
Power switch connects the microprocessor by the switch detection circuit.
8. vehicle parking control device as described in claim 1, it is characterised in that：The Lun Bian electric drives mechanism further includes oil
Temperature sensor；The safety guard further includes oil temperature detection circuit, and the oil temperature sensor accesses the oil temperature detection electricity
Road, the output port of the oil temperature detection circuit connect the microprocessor.
9. vehicle parking control device as described in claim 1, it is characterised in that：The microprocessor by CAN bus with
The entire car controller connection.
10. a kind of safety guard for vehicle parking, it is characterised in that：The safety guard includes microprocessor
Device, the first signal conditioning circuit, oil pump driven circuit, secondary signal modulate circuit, valve-driving circuit and more than one switch inspection
Slowdown monitoring circuit, wherein：
First signal conditioning circuit connects the first input port of the microprocessor；
The oil pump driven circuit is electrically connected with the first output port of the microprocessor；
The secondary signal modulate circuit connects the second input port of the microprocessor；
The valve-driving circuit is electrically connected with the second output terminal mouth of the microprocessor；
Each switch detection circuit connects other input ports of the microprocessor respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529211.XU CN207416810U (en) | 2017-11-16 | 2017-11-16 | Vehicle parking control device and the safety guard for vehicle parking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721529211.XU CN207416810U (en) | 2017-11-16 | 2017-11-16 | Vehicle parking control device and the safety guard for vehicle parking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207416810U true CN207416810U (en) | 2018-05-29 |
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ID=62306361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721529211.XU Active CN207416810U (en) | 2017-11-16 | 2017-11-16 | Vehicle parking control device and the safety guard for vehicle parking |
Country Status (1)
| Country | Link |
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| CN (1) | CN207416810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954412A (en) * | 2022-05-31 | 2022-08-30 | 上海三一重机股份有限公司 | Parking fault detection method, device and system and working machine |
-
2017
- 2017-11-16 CN CN201721529211.XU patent/CN207416810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114954412A (en) * | 2022-05-31 | 2022-08-30 | 上海三一重机股份有限公司 | Parking fault detection method, device and system and working machine |
| CN114954412B (en) * | 2022-05-31 | 2023-08-22 | 上海三一重机股份有限公司 | Parking fault detection method, device and system and working machine |
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