CN112977347A - Vehicle cleaning pump, liquid intelligent distribution unit and vehicle cleaning device - Google Patents
Vehicle cleaning pump, liquid intelligent distribution unit and vehicle cleaning device Download PDFInfo
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- CN112977347A CN112977347A CN202110355051.6A CN202110355051A CN112977347A CN 112977347 A CN112977347 A CN 112977347A CN 202110355051 A CN202110355051 A CN 202110355051A CN 112977347 A CN112977347 A CN 112977347A
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- vehicle
- cleaning
- cleaning pump
- distribution unit
- pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S1/00—Cleaning of vehicles
- B60S1/62—Other vehicle fittings for cleaning
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The cleaning pump and the liquid intelligent distribution unit for the vehicle comprise a cleaning pump, a perception control module, a plurality of electromagnetic valves and a confluence distribution module, wherein the confluence distribution module comprises a confluence distribution plate, the confluence distribution plate comprises a main flow channel and a plurality of branch flow channels communicated with the main flow channel, each branch flow channel can be communicated with a cleaning mechanism of each cleaning perception sensor and is controlled by the electromagnetic valve to control the on-off of the branch flow channel, the outlet of the cleaning pump is communicated with the main flow channel of the confluence distribution plate, and the perception control module receives a control signal that the perception sensors need to be cleaned and then controls the on-off of the cleaning pump and the on-off of the electromagnetic valves corresponding to the perception sensors. This automobile-used scavenging pump and liquid intelligent distribution unit can realize the equilibrium of each subchannel fluid pressure and flow, avoids the fluid pressure and the flow loss that current multistage tee bend serial-type pipeline runner produced and reduces the defect step by step, guarantees the cleaning performance to perception sensor.
Description
Technical Field
The invention relates to a vehicle cleaning device, in particular to a vehicle cleaning pump and an intelligent liquid distribution unit.
Background
With the continuous improvement of the vehicle intelligent degree, more perception sensors supporting automatic driving, such as radars and cameras, are installed on the vehicle, so that the driving environment can be reliably perceived, detected and accurately evaluated, and the method is a link between automatic parking, auxiliary driving and interaction between the automatic driving and the external environment. Thus, the cleaning of the perception sensor is a reliable guarantee of the normal running of its vehicle.
Because the vehicle generally has a plurality of perception sensors, distributes around the vehicle, needs a plurality of wiper mechanisms to wash each perception sensor, and current cleaning system connects the tee bend with the pipeline of scavenging pump output and shunts, realizes the distribution of many pipelines through a plurality of tee bends of establishing ties, washs perception sensors after conveying each perception sensor's wiper mechanism at last. Because the flow and the pressure of liquid are lost through one tee joint, the pressure and the flow of the liquid in the rear branch become low, the sensing sensor cannot be cleaned, the normal use of the sensing sensor is influenced, and the potential safety hazard of driving is caused. Meanwhile, the electromagnetic valves of the multiple branches are inconvenient to install and fix, and power lines of the electromagnetic valves are inconvenient to arrange and manage. Therefore, the design of the vehicle cleaning pump and the intelligent liquid distribution unit is urgently needed, the stepless speed regulation control of the cleaning pump can be carried out according to the position number and the number of the perception sensors which need to be cleaned, the pressure and the flow of the liquid are ensured to accord with the set standard values, the defects of liquid pressure and flow loss and gradual reduction generated by the traditional multistage three-way series pipeline flow channel can be avoided, and the balance of the liquid pressure and the flow of each branch flow channel is realized.
Disclosure of Invention
The present invention aims to overcome the above-mentioned shortcomings of the prior art by providing a vehicle washing pump and an intelligent liquid distribution unit, which are easy to install and can reduce pressure and flow loss.
The invention also provides a cleaning device for the vehicle, which is convenient to install and has less pressure and flow loss.
The technical scheme adopted by the invention for solving the technical problems is as follows: the cleaning pump and the liquid intelligent distribution unit for the vehicle comprise a cleaning pump, a perception control module, a plurality of electromagnetic valves and a confluence distribution module, wherein the confluence distribution module comprises a confluence distribution plate, the confluence distribution plate comprises a main flow channel and a plurality of branch flow channels communicated with the main flow channel, each branch flow channel can be communicated with a cleaning mechanism of each cleaning perception sensor and is controlled by the electromagnetic valve to control the on-off of the branch flow channel, the outlet of the cleaning pump is communicated with the main flow channel of the confluence distribution plate, and the perception control module receives a control signal that the perception sensors need to be cleaned and then controls the on-off of the cleaning pump and the on-off of the electromagnetic valves corresponding to the perception sensors.
Preferably, the sensing control module performs stepless speed regulation control on the cleaning pump according to the number of the sensing sensors which need to be cleaned, and the pressure and the flow of the liquid are ensured to accord with set standard values.
When the automobile liquid storage device is used, the inlet of the cleaning pump is connected with the outlet of the automobile liquid storage device, the branch flow channels of the confluence distribution plate are connected with the cleaning mechanisms, and the cleaning mechanisms correspond to the corresponding perception sensors and clean the perception sensors when necessary, so that the whole automobile cleaning pump and the liquid intelligent distribution unit can be conveniently installed on an automobile to be used.
Preferably, the cleaning pump is fixed on the confluence distribution plate through a fixed limiting support, and the electromagnetic valves are fixed on the confluence distribution module, so that the cleaning pump and the confluence distribution plate can be combined into a whole to be used as a single part, and the cleaning pump is convenient to manufacture and install.
Preferably, fixed spacing support includes locating plate, solid fixed ring, connecting plate and elasticity buckle, and the locating plate is fixed to connecting plate one end, and solid fixed ring is connected to the other end, gu fixed ring radially spacing scavenging pump, the locating plate carries out axial positioning to the scavenging pump, and the elasticity buckle is fixed in the L shape square hole of the distributing plate that converges to improve the fixed reliability of installation.
Preferably, the perception control module is arranged in the cleaning pump, so that the perception control module can be combined with a control part of the cleaning pump to further reduce the size and connecting parts.
Preferably, the main runner of the confluence distributing plate is a through hole, and the two ends of the main runner are provided with plugs, so that the processing and the manufacturing of the main runner and the guarantee of the precision are facilitated.
Preferably, the mouth of the branch channel of the confluence distributing plate is provided with a quick connector and a sealing ring, so that the pipeline of the cleaning mechanism is convenient to connect and the dropping and leakage are prevented.
Still provide an automobile-used belt cleaning device, it includes above-mentioned automobile-used scavenging pump and liquid intelligence distribution unit, automobile-used scavenging pump and liquid intelligence distribution unit's scavenging pump import and automobile-used reservoir outlet connection converge each subchannel export and each wiper mechanism of distribution plate and be connected.
Compared with the prior art, the invention has the advantages that: the operation of the cleaning pump and each electromagnetic valve is controlled by a perception control module, after the perception control module receives signals of position and quantity information of a perception sensor appliance which is sent by a vehicle ECU or directly sent by a perception sensor and needs to be cleaned, the perception control module controls the cleaning pump to be started and carries out stepless speed regulation control on the cleaning pump, the pressure and the flow of liquid are ensured to be in accordance with set standard values, meanwhile, the corresponding electromagnetic valve is automatically electrified to open the electromagnetic valve, cleaning liquid corresponding to a branch channel is conducted, and liquid is supplied to a cleaning mechanism of the corresponding perception sensor, so that the liquid pressure and the flow of each branch channel can be balanced, the defects that the liquid pressure and the flow generated by the flow channel of the existing multistage three-way series pipeline are lost and reduced step by step are avoided, and the cleaning effect of the perception sensor is ensured.
Drawings
Fig. 1 is an exploded view of a vehicle washing pump and an intelligent liquid distribution unit according to an embodiment of the present invention.
Fig. 2 is a schematic front view of a vehicle washing pump and an intelligent liquid distribution unit according to an embodiment of the invention.
Fig. 3 is a partial view of the sectional view a-a of fig. 2 after rotation.
Fig. 4 is a partial view of the cross-sectional view B-B of fig. 2 after rotation.
Fig. 5 is a view of fig. 4 with the solenoid open.
FIG. 6 is an exploded view of a washer pump according to an embodiment of the present invention.
Fig. 7 is a schematic external view of a fixing and limiting bracket according to an embodiment of the invention.
FIG. 8 is a schematic structural diagram of a solenoid valve according to an embodiment of the present invention.
Fig. 9 is a cross-sectional view of C-C of fig. 8.
Fig. 10 is a top view of the bus bar distribution module of the embodiment of the invention.
Fig. 11 is a sectional view F-F of fig. 10.
FIG. 12 is a side view of a bus bar distribution plate according to an embodiment of the invention.
Fig. 13 is a control schematic of the present invention.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1 to 13, the vehicle washing pump and liquid intelligent distribution unit includes a washing pump 10, a sensing control module 20, a fixed limit bracket 30, a plurality of solenoid valves 40, and a confluence distribution module 50.
As shown in fig. 4, the positive plug 102, the negative plug 103, the LIN/CAN control plug 104, the solenoid valve positive wire harness 105 and the solenoid valve negative wire harness 106 of the cleaning pump are arranged on the sensing control module 20, the end cover 101 is fixed on the pump body assembly 107 and positions the positive plug, the negative plug, the LIN/CAN control plug, the solenoid valve positive wire harness and the solenoid valve negative wire harness, the positive plug and the negative plug are communicated with a power supply of a vehicle and supply power to the sensing control module, and the solenoid valve positive wire harness and the solenoid valve negative wire harness are connected with each solenoid valve and independently supply power for control.
The liquid outlet 109 of the cleaning pump is provided with a sealing ring 108 and is connected in a sealing hole 5017 of the confluence distribution plate 501, so that the leakage of the matching part of the liquid outlet and the sealing hole of the confluence distribution plate can be prevented.
The inlet 1010 of the cleaning pump may be connected to a reservoir of the vehicle (not shown) to deliver cleaning fluid from the reservoir to the corresponding cleaning mechanism via the present unit, and the cleaning mechanism cleans the corresponding sensor.
The operation of the cleaning pump and the electromagnetic valve is controlled by a perception control module 20, an LIN/CAN control plug-in 104 receives a control signal sent by an ECU (electronic control unit, also called a traveling computer), the specific position numbers and the number of perception sensors (radar and camera) which need to be cleaned are pointed out, the perception control module receives the control signal and then starts the cleaning pump 10 to realize stepless speed regulation control, the pressure and the flow of liquid are ensured to be in accordance with the set standard values, meanwhile, the electromagnetic valve with the corresponding position number is automatically electrified, the electromagnetic valve is started, the liquid corresponding to a sub-channel is conducted and cleaned by a cleaning mechanism, and after the cleaning is finished, the perception control module closes the electromagnetic valve and the cleaning pump in sequence.
As shown in fig. 5, the fixed limiting bracket 30 includes a positioning plate 301, a fixing ring 303, a connecting plate 304 and an elastic buckle 302, wherein the positioning plate 301 is fixed at one end of the connecting plate 304, the other end of the connecting plate is connected with the fixing ring 303, the fixing ring 303 radially prevents the cleaning pump from loosening, the positioning plate 301 axially positions the cleaning pump, and the elastic buckle 302 is fixed in an L-shaped square hole 5019 of the confluence distribution plate to improve the reliability of installation and fixation.
As shown in fig. 6, the solenoid valve 40 is a common solenoid valve, which is provided with a bonnet part 401, an excitation coil 402 is arranged in the bonnet part 401 and connected with a positive power line 4010 and a negative power line 4011, the positive power line and the negative power line are respectively connected with a positive wire harness 105 and a negative wire harness 106 of the solenoid valve, a valve rod sleeve 403 is arranged in the center of the excitation coil, a sealing ring 404 is arranged at the end of the valve rod sleeve 403 to improve the sealing performance between the valve rod sleeve 403 and a valve body sealing hole 4086 and prevent liquid leakage, a valve rod 407 is arranged in an inner hole, a compression spring 405 is arranged at the outer circle of the valve rod, a sealing ring 406 is arranged at the end, a valve body 408 is arranged at the side surface of the bonnet part, a valve body 4081 is arranged at the center of the valve body, 4 limiting ribs 4082 are arranged in the valve hole, when the solenoid valve is not energized, the end surface of, prevent the liquid backward flow, liquid is in quiescent condition, and when the solenoid valve circular telegram, the valve rod overcomes compression spring's elasticity and the thrust that liquid produced under the suction effect that excitation coil produced, moves to the valve rod cover left in, and the valve rod terminal surface laminates with valve rod cover terminal surface, and the valve opening right-hand member is flowed through to the liquid of having pressure, continues to flow to the valve liquid outlet, and the valve body bottom surface sets up ring channel and sealing washer respectively at valve inlet 4085 and valve liquid outlet 4084, prevents to appear liquid leakage with converging the distribution plate connection.
The top surface of the confluence distribution plate 501 is provided with 2 fixing screws 4012 for fixing the solenoid valve 20 on the confluence distribution plate 501.
As shown in fig. 7, the busbar distribution module includes a busbar distribution plate 501, a sealing ring 502, and a plug 503.
The side surface of the confluence distributing plate 501 is provided with a first-stage main runner 5016, the inside of the confluence distributing plate is provided with a second-stage main runner 5015 communicated with the first-stage main runner 5016, the second-stage main runner is communicated with a plurality of first-stage sub-runners 5014, the upper side of the confluence distributing plate is also provided with a plurality of second-stage sub-runners 5012 with the same number as the first-stage sub-runners, the other side surface opposite to the side surface of the first-stage main runner is provided with a third-stage sub-runner 5011 which is the same number as the second-stage sub-runners and communicated with the second-stage sub-runners, the balance of the liquid pressure and the flow of each sub-runner is realized by the structure that the multistage main runners and the sub-runners are communicated, the cleaning effect of the sensor.
The bus bar distribution plate 501 has mounting holes 50110 at each of four corners thereof for mounting and fixing in a place of use such as a vehicle.
The sealing ring 502 is provided on the quick coupling 5013 of the third-stage branch passage opening portion to prevent leakage when the quick coupling 5013 is connected to a piping member of a cleaning mechanism (not shown).
The wiper mechanism in this application is the mechanism commonly used, if with the shower nozzle of tube coupling etc. aim at perception sensor, like radar or camera etc. can wash it with the washing liquid that this automobile-used scavenging pump and liquid intelligence distribution unit sent, can refer to various wiper mechanisms commonly used, and the detailed description is not repeated here.
Two ends of the secondary main runner 5015 are sealed by plugs 503, and the secondary main runner 5015 is designed to be a through hole, so that the secondary main runner can be conveniently machined and manufactured, and the precision is guaranteed.
When the automobile cleaning pump and the liquid intelligent distribution unit start to work, the cleaning pump is electrified to operate, the electromagnetic valve is electrified, the valve rod overcomes the elasticity of the compression spring and the thrust generated by the liquid under the action of the suction force generated by the magnet exciting coil, the valve rod moves into the valve rod sleeve leftwards, the end face of the valve rod is attached to the end face of the valve rod sleeve, pressurized liquid flows through the right end of the valve hole, and flows to a valve liquid outlet, a secondary flow channel and a tertiary flow channel.
Claims (10)
1. Automobile-used scavenging pump and liquid intelligence distribution unit, its characterized in that: the cleaning pump comprises a cleaning pump, a perception control module, a plurality of electromagnetic valves and a confluence distribution module, wherein the confluence distribution module comprises a confluence distribution plate, the confluence distribution plate comprises a main flow channel and a plurality of branch flow channels communicated with the main flow channel, each branch flow channel can be communicated with a cleaning mechanism of each cleaning perception sensor and is controlled by the electromagnetic valve to be switched on and off, an outlet of the cleaning pump is communicated with the main flow channel of the confluence distribution plate, and the perception control module receives a control signal required by the perception sensors to be cleaned and then controls the cleaning pump to be switched on and off and controls the electromagnetic valves corresponding to the perception sensors to be switched on and off.
2. The vehicle cleaning pump and liquid intelligent distribution unit of claim 1, characterized in that: the sensing control module performs stepless speed regulation control on the cleaning pump according to the number of the sensing sensors for cleaning, and ensures that the pressure and the flow of the liquid meet set standard values.
3. The vehicle washing pump and liquid intelligent distribution unit of claim 1 or 2, characterized in that: the cleaning pump is fixed on the confluence distribution plate through a fixed limiting support, and the electromagnetic valves are fixed on the confluence distribution module.
4. The vehicle washing pump and liquid intelligent distribution unit of claim 1 or 2, characterized in that: the perception control module is arranged in the cleaning pump.
5. The vehicle washing pump and liquid intelligent distribution unit of claim 1 or 2, characterized in that: the main runner of the confluence distributing plate is a through hole, and plugs are arranged at two ends of the through hole.
6. The vehicle washing pump and liquid intelligent distribution unit of claim 1 or 2, characterized in that: and the mouth part of the branch channel of the confluence distributing plate is provided with a quick joint and a sealing ring.
7. A cleaning device for a vehicle, characterized in that: the vehicle cleaning pump and liquid intelligent distribution unit comprises the vehicle cleaning pump and liquid intelligent distribution unit as claimed in claim 1 or 2, wherein a cleaning pump inlet of the vehicle cleaning pump and liquid intelligent distribution unit is connected with a vehicle liquid storage device outlet, and each branch channel outlet of the confluence distribution plate is connected with each cleaning mechanism.
8. A cleaning device for a vehicle, characterized in that: the vehicle cleaning pump and liquid intelligent distribution unit comprises the vehicle cleaning pump and liquid intelligent distribution unit as claimed in claim 3, wherein a cleaning pump inlet of the vehicle cleaning pump and liquid intelligent distribution unit is connected with a vehicle liquid storage device outlet, and each branch channel outlet of the confluence distribution plate is connected with each cleaning mechanism.
9. A cleaning device for a vehicle, characterized in that: the vehicle cleaning pump and liquid intelligent distribution unit comprises the vehicle cleaning pump and liquid intelligent distribution unit as claimed in claim 4, wherein a cleaning pump inlet of the vehicle cleaning pump and liquid intelligent distribution unit is connected with a vehicle liquid storage device outlet, and each branch channel outlet of the confluence distribution plate is connected with each cleaning mechanism.
10. A cleaning device for a vehicle, characterized in that: the vehicle cleaning pump and liquid intelligent distribution unit comprises the vehicle cleaning pump and liquid intelligent distribution unit as claimed in claim 5, wherein a cleaning pump inlet of the vehicle cleaning pump and liquid intelligent distribution unit is connected with a vehicle liquid storage device outlet, and each branch channel outlet of the confluence distribution plate is connected with each cleaning mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355051.6A CN112977347A (en) | 2021-04-01 | 2021-04-01 | Vehicle cleaning pump, liquid intelligent distribution unit and vehicle cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110355051.6A CN112977347A (en) | 2021-04-01 | 2021-04-01 | Vehicle cleaning pump, liquid intelligent distribution unit and vehicle cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112977347A true CN112977347A (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110355051.6A Pending CN112977347A (en) | 2021-04-01 | 2021-04-01 | Vehicle cleaning pump, liquid intelligent distribution unit and vehicle cleaning device |
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| Country | Link |
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| CN (1) | CN112977347A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021240A1 (en) * | 2022-07-24 | 2024-02-01 | 宁波恒帅股份有限公司 | Cleaning system used for vehicles and capable of suppressing vibrations and reducing noise |
-
2021
- 2021-04-01 CN CN202110355051.6A patent/CN112977347A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021240A1 (en) * | 2022-07-24 | 2024-02-01 | 宁波恒帅股份有限公司 | Cleaning system used for vehicles and capable of suppressing vibrations and reducing noise |
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