CN107685715B - Spraying control system and method for locomotive wiper - Google Patents
Spraying control system and method for locomotive wiper Download PDFInfo
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- CN107685715B CN107685715B CN201610634354.0A CN201610634354A CN107685715B CN 107685715 B CN107685715 B CN 107685715B CN 201610634354 A CN201610634354 A CN 201610634354A CN 107685715 B CN107685715 B CN 107685715B
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 35
- 238000005507 spraying Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000007921 spray Substances 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000005406 washing Methods 0.000 claims abstract description 52
- 238000003860 storage Methods 0.000 claims abstract description 21
- 230000006837 decompression Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 238000007710 freezing Methods 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
Classifications
-
- 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
- B60S1/02—Cleaning windscreens, windows or optical devices
- B60S1/46—Cleaning windscreens, windows or optical devices using liquid; Windscreen washers
- B60S1/48—Liquid supply therefor
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Nozzles (AREA)
Abstract
The application provides a locomotive wiper spray control system, which comprises a stop valve, a decompression filter valve, an air path diversion component, a two-position three-way button switch, a quick exhaust valve, a spray water supply pump and a washing liquid storage tank, wherein the two-position three-way button switch comprises an inlet, a first outlet and a second outlet; the quick exhaust valve comprises an air inlet, a first air outlet and a second air outlet which are communicated with the external atmospheric environment; the spray water supply pump comprises a water pump barrel, a first quick screwing joint, a second quick screwing joint and a third quick screwing joint which are respectively communicated with the inner cavity of the water pump barrel. The locomotive wiper spraying control system has the following effects: integral structure simplifying the method comprises the steps of carrying out a first treatment on the surface of the; through the combined design of the decompression filter valve, the gas path diversion component, the two-position three-way button switch and the quick exhaust valve, the gas path system of the locomotive is fully utilized, the pneumatic control of washing liquid spraying is realized, and the operation is convenient. The application also provides a control method of the control system, which is convenient to operate.
Description
Technical Field
The application belongs to the technical field of locomotive accessories, and particularly relates to a locomotive wiper spraying control system and a locomotive wiper spraying control method.
Background
When the windshield wiper of the pneumatic windshield wiper of the locomotive swings back and forth, the windshield wiper sprays washing liquid from a spraying control system with the windshield wiper, so that the effect of wiping and cleaning is realized. The details of the existing common spray control system are as follows:
the application patent with the application number of 2013474924.0 provides an automobile windscreen wiper, which comprises a framework and a rotating bearing, wherein the rotating bearing is positioned at the lower end of the framework, a motor for driving the windscreen wiper to swing back and forth is arranged in the framework, a rain sensor is arranged at the upper end of the framework, a rotating device is arranged in the rotating bearing, and the motor, the rain sensor and the rotating device are electrically connected with a control system.
The application application of application number 20115514.2 discloses a windscreen wiper, which comprises a stepping motor system, a main synchronous pulley, a synchronous belt, a secondary synchronous pulley, a wiper blade rack mounting shaft and a wiper blade rack, wherein the stepping motor system consists of a stepping motor, a controller and an operation panel; the main synchronous belt pulley is fixedly connected with the stepping motor main shaft, the synchronous belt is in sliding fit with the main synchronous belt pulley and the auxiliary synchronous belt pulley, the doctor blade mounting shaft is fixedly connected with the auxiliary synchronous belt pulley, and the doctor blade frame is fixedly connected with the doctor blade frame mounting shaft; the method is characterized in that: the stepping motor is a rotary stepping motor, the controller is an integrated control and driving system, the main synchronous belt pulley and the auxiliary synchronous belt pulley are cylindrical straight-tooth gears, the driving belt is a straight-tooth driving belt, the modulus of the main synchronous belt pulley, the modulus of the auxiliary synchronous belt pulley and the modulus of the synchronous belt are the same, and the speed ratio is adjusted by changing the number of teeth of the belt pulleys.
The application application of application number 2011309490.4 discloses an intelligent wiper, including installing in the car measurement controlling means, install wiper, glass water injection device on the car, measurement controlling means includes microprocessor, light beam emitting device, light beam receiving sensor, humidity transducer all link to each other with microprocessor, light beam emitting device and humidity transducer install outside the car, light beam emitting device aligns light beam receiving sensor, wiper and glass water injection device all are connected with measurement controlling means's microprocessor.
In addition, there are other structure wipers, and the prior art has the following drawbacks: 1. the combination is complex, and the manufacturing and the production are inconvenient; 2. the special water pump control valve has complex manufacturing process, high price and frequent quality problems.
In summary, under the condition that the wiper system is continuously required to reduce the cost and improve the quality, the original spray control system cannot be satisfied, and development of an all-new spray control system is urgently needed.
Disclosure of Invention
The application aims to provide a system which has a simple structure, realizes the spray control of a wiper in a pneumatic mode and is convenient to operate, and the specific technical scheme is as follows:
a locomotive wiper spray control system comprises a stop valve, a pressure reducing filter valve, a gas path diversion component, a two-position three-way button switch, a quick exhaust valve, a spray water supply pump and a washing liquid storage tank;
the gas path diversion component comprises an inlet end, a first outlet end and a second outlet end; the two-position three-way button switch comprises an inlet a first outlet and a second outlet; the rapid exhaust valve comprises an air inlet, a first air outlet and a second air outlet, wherein the first air outlet is communicated with the external atmospheric environment; the spray water supply pump comprises a water pump barrel, a first quick-screwing joint, a second quick-screwing joint and a third quick-screwing joint which are respectively communicated with the inner cavity of the water pump barrel;
one end of the stop valve is communicated with the compressed gas supply device, and the other end of the stop valve is communicated with the inlet end of the pressure reducing filter valve; the outlet end of the pressure reducing filter valve is communicated with the inlet end of the gas path diversion component; the first outlet end of the air path diversion component is communicated with a wiper motor control system, and the second outlet end of the air path diversion component is communicated with the inlet of the two-position three-way button switch; the first outlet of the two-position three-way button switch is communicated with the external atmosphere environment, the second outlet of the quick exhaust valve is communicated with the air inlet of the quick exhaust valve; the second air outlet of the quick exhaust valve is communicated with a third quick screwing joint of the spray water supply pump; the second quick-screwing joint of the spray water feed pump is communicated with the washing liquid storage tank, and the first quick-screwing joint of the spray water feed pump is communicated with the wiper component.
In order to achieve better technical effect, the water pump for conveying the washing liquid in the washing liquid storage tank to the second quick-screwing joint of the spray water supply pump is further included.
In the above technical scheme, preferably, the stop valve, the pressure reducing filter valve, the gas path diversion component and the two-position three-way button switch are all arranged on the control panel; the quick exhaust valve, the spray water supply pump, the washing liquid storage tank and the control panel are all arranged on the locomotive body.
In the above technical solution, preferably, the stop valve is mounted on the control panel through a stop valve pipe clip; the pressure reducing filter valve is arranged on the control panel through a mounting bracket; the air path diversion component is fixed on the control panel through the combination of the screw, the flat pad and the elastic pad.
In the above technical solution, preferably, the spray water feed pump includes a water pump barrel having an open end and a closed end, a first quick-twist joint penetrating through the closed end of the water pump barrel and providing a channel for the washing liquid to flow out of the inner cavity of the water pump barrel, a rear end cover for sealing the open end of the water pump barrel, a second quick-twist joint penetrating through the rear end cover and providing a channel for the external washing liquid to flow into the inner cavity of the water pump barrel, a third quick-twist joint providing a channel for the gas to enter the inner cavity of the water pump barrel, and an air bag movably disposed in the inner cavity of the water pump barrel and located between the first and second quick-twist joints;
one end of the first quick-screwing joint, which is positioned in the inner cavity of the water pump barrel, is provided with a downward drainage tube;
one end of the second quick-screwing joint, which is positioned in the inner cavity of the water pump barrel, is provided with a check valve seat, a cotter pin and a plug, wherein the check valve seat is used for communicating the second quick-screwing joint with the inner cavity of the water pump barrel;
the third quick screw joint penetrates through the rear end cover.
In the above technical scheme, preferably, the minimum distance from the lower end part of the drainage tube to the inner cavity wall surface of the water pump barrel is 5-20mm.
In the above technical scheme, preferably, an assembly formed by a flat pad, an elastic pad, a hexagon head screw and an O-shaped sealing ring is arranged at the joint of the open end of the water pump cylinder and the rear end cover.
In the above technical scheme, preferably, the water pump barrel is of an integrally formed structure; the plug is of a cylindrical structure; the air bag is an anti-freezing air bag.
In the above technical solution, preferably, the connection between the stop valve and the compressed gas supply device, between the stop valve and the inlet end of the pressure reducing filter valve, between the inlet end of the gas path diversion component and the outlet end of the pressure reducing filter valve, between the first outlet end of the gas path diversion component and the wiper motor control system, between the second outlet end of the gas path diversion component and the inlet of the two-position three-way button switch, between the second outlet of the two-position three-way button switch and the air inlet of the quick exhaust valve, between the second air outlet of the quick exhaust valve and the third quick screwing joint of the spray water supply pump, between the second quick screwing joint of the spray water supply pump and the storage washing liquid tank, and between the first quick screwing joint of the spray water supply pump and the wiper component are all connected by hoses.
The locomotive wiper spraying control system has the following effects:
1. the locomotive wiper spray control system comprises a stop valve, a pressure reducing filter valve, an air path diversion component, a two-position three-way button switch, a quick exhaust valve, a spray water supply pump and a washing liquid storage tank, wherein the air path diversion component comprises an inlet end, a first outlet end and a second outlet end; the two-position three-way button switch comprises an inlet, a first outlet and a second outlet; the quick exhaust valve comprises an air inlet, a first air outlet and a second air outlet, wherein the first air outlet is communicated with the external atmospheric environment; the spray water supply pump comprises a water pump barrel, a first quick screwing joint, a second quick screwing joint and a third quick screwing joint which are respectively communicated with the inner cavity of the water pump barrel. The whole structure is simple; the compressed gas in the gas path system of the locomotive is firstly changed into stable gas through the arrangement of the decompression filter valve, so that the compressed gas is used for controlling the spraying of the washing liquid, and the operation is convenient; the gas path diversion component divides the stable gas into a plurality of parts, thereby realizing the control of pressure and the diversion required by the system; the combination design of the two-position three-way button switch and the quick exhaust valve realizes the pneumatic control of the washing liquid spray, and is convenient to operate.
2. The application also comprises a water pump for conveying the washing liquid in the washing liquid storage tank to the second quick-twisting joint of the spray water feed pump. The design of the water pump ensures that the design of the placement position of the storage washing liquid tank is diversified (the storage washing liquid tank can be designed at a high position or a low position), and different requirements are met.
3. The stop valve, the decompression filter valve, the gas path diversion component and the two-position three-way button switch are all arranged on the control panel; the quick exhaust valve, the spray water supply pump, the washing liquid storage tank and the control panel are all arranged on the locomotive body. The modularization of the spraying control system of the whole locomotive wiper is realized, and the installation, the disassembly, the overhaul and the like are convenient; the quick exhaust valve, the spray water supply pump, the washing liquid storage tank and the control panel are all arranged on the locomotive body; the stop valve is arranged on the control panel through a stop valve pipe clamp; the pressure reducing filter valve is arranged on the control panel through a mounting bracket; the gas path flow dividing part is fixed on the control panel through the combination of the screw, the flat pad and the elastic pad, and has good bearing effect, so that the whole system has good stability after being installed.
4. The spray water supply pump has the advantages of simple structure, reasonable design and convenient control; the water pump cylinder adopts an integral molding structure, so that the requirements of low cost and easy assembly, which are proposed by a wiper system, can be met; the water pump cylinder and the rear end cover adopt a connection relationship, so that the installation position requirement of the spray water pump provided by a vehicle body can be met; the air bag adopts an anti-freezing air bag, and can meet the requirement of the wiper system for preventing the freezing and cracking.
5. All the components are connected through the hose, so that the pneumatic control requirement can be met, and the occupied area of the whole system during installation can be reduced as much as possible.
The application also discloses a control method of the locomotive wiper spraying control system, which specifically comprises the following steps: the method comprises the following steps:
step one, washing liquid stored in a washing liquid tank flows to and fills the inner cavity of a spray water supply pump through a second quick-twisting joint;
step two, pressing a two-position three-way button switch, and opening an air path; compressed gas sequentially passes through a stop valve, a decompression filter valve and a two-position three-way button switch to enter an air inlet of the quick exhaust valve, then enters an inner cavity of a spray water supply pump through a second air outlet of the quick exhaust valve and a third quick screwing joint, and washing liquid in the inner cavity of the spray water supply pump is sent to a wiper through a first quick screwing joint;
step three, continuously pressing a two-position three-way button switch, exhausting the washing liquid in the inner cavity of the spray water supply pump, exhausting the gas in the inner cavity through a first quick-screwing joint, and stopping the spray action;
or, loosening the two-position three-way button switch, and closing the gas circuit; the gas of the pipeline between the quick exhaust valve and the two-position three-way button switch is discharged to the atmosphere through a first outlet of the two-position three-way button switch, and the pressure in the inner cavity of the quick exhaust valve is released; the gas in the inner cavity of the spray water feed pump is discharged to the atmosphere through a first gas outlet of the quick exhaust valve, the pressure in the inner cavity of the spray water feed pump is released, and the step one is returned;
step one, step two and step three are cycled at least once.
By using the control method of the application, the gas path system of the locomotive is fully utilized, compressed gas is firstly changed into stable gas, and then the pneumatic spraying is realized by combining a two-position three-way button switch, a quick exhaust valve and a spraying water supply pump, so that the system has good stability, low cost and convenient operation.
In addition to the objects, features and advantages described above, the present application has other objects, features and advantages. The present application will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic diagram of a locomotive wiper spray control system (spray feed pump, water pump and storage wash tank not shown) according to a preferred embodiment 1 of the present application;
FIG. 2 is a schematic diagram of the schematic construction of the locomotive wiper spray control system of FIG. 1;
FIG. 3 is a cross-sectional view of the spray feed pump of FIG. 2;
FIG. 4 is a view in the A direction of FIG. 3;
wherein, 1, stop valve, 2, stop valve pipe strap, 3, decompression filter valve, 4, gas circuit reposition of redundant personnel part, 4.1, the entrance point, 4.2, first exit end, 4.3, the second exit end, 4.4, fixed subassembly, 5, two-position three way button switch, 5.1, the entry, 5.2, first export, 5.3, the second export, 6, quick discharge valve, 6.1, the air inlet, 6.2, first gas outlet, 6.3, the second gas outlet, 7, spray feed pump, 7.1, water pump section of thick bamboo, 7.11, the open end, 7.12, the closed end, 7.2, first quick screw joint, 7.21, the drainage tube, 7.3, the rear end cap, 7.4, the second quick screw joint, 7.41, the check valve seat, 7.42, the cotter pin, 7.43, the end cap, 7.5, the third quick screw joint, 7.6, the gasbag, 8, store the washing liquid case, 9, control panel, 10, installing support, 11.
Detailed Description
Embodiments of the application are described in detail below with reference to the attached drawings, but the application can be implemented in a number of different ways, which are defined and covered by the claims.
Example 1:
referring to fig. 1 and 2, a locomotive wiper spray control system comprises a stop valve 1, a pressure reducing filter valve 3, a gas path diversion component 4, a two-position three-way button switch 5, a quick exhaust valve 6, a spray water supply pump 7, a storage washing liquid tank 8 and a control panel 9, wherein the quick exhaust valve 6, the spray water supply pump 7, the storage washing liquid tank 8 and the control panel 9 are all arranged on a locomotive body (the quick exhaust valve 6 can be directly arranged near the locomotive body spray water supply pump and is convenient for externally connecting a muffler and the like), and the stop valve 1 (only by adopting the conventional stop valve), the pressure reducing filter valve 3 (only by adopting the conventional pressure reducing filter valve), the gas path diversion component 4 and the two-position three-way button switch 5 are all arranged on the control panel 9.
The gas path diversion component 4 comprises an inlet end 4.1, a first outlet end 4.2 and a second outlet end 4.3.
An inlet 5.1, a first outlet 5.2 and a second outlet 5.3 of the two-position three-way push button switch 5. The two-position three-way button switch is of the type Adand 2DQK or other types capable of realizing the functions in the prior art.
The quick exhaust valve 6 comprises an air inlet 6.1, a first air outlet 6.2 and a second air outlet 6.3. The quick exhaust valve is three meters QS-3/8-6, and can be of other types capable of realizing the functions in the prior art.
The structure of the spray water feed pump 7 is shown in fig. 3 and fig. 4, specifically: the cleaning device comprises a water pump barrel 7.1 with an opening end 7.11 and a sealing end 7.12, a first quick-screwing joint 7.2 which is arranged through the sealing end 7.12 of the water pump barrel 7.1 and provides a channel for cleaning fluid to flow out of the inner cavity of the water pump barrel 7.1, a rear end cover 7.3 used for sealing the opening end 7.12 of the water pump barrel 7.1, a second quick-screwing joint 7.4 which is arranged through the rear end cover 7.3 and provides a channel for external cleaning fluid to flow into the inner cavity of the water pump barrel 7.1, a third quick-screwing joint 7.5 which provides a channel for gas to enter the inner cavity of the water pump barrel 7.1, and an air bag 7.6 which is movably arranged in the inner cavity of the water pump barrel 7.1 and is positioned between the first quick-screwing joint 7.2 and the second quick-screwing joint 7.4.
One end of the first quick-screwing joint 7.2, which is positioned in the inner cavity of the water pump barrel 7.1, is provided with a downward-directed drainage tube 7.21, and the minimum distance from the lower end part of the drainage tube 7.21 to the wall surface of the inner cavity of the water pump barrel 7.1 is 5-20mm. The washing liquid is convenient to smoothly enter the first quick-screwing joint from the drainage tube.
One end of the second quick-screwing joint 7.4, which is positioned in the inner cavity of the water pump barrel 7.1, is provided with a check valve seat 7.41 (the structure of the check valve seat can be seen in the prior art) for communicating the second quick-screwing joint 7.4 with the inner cavity of the water pump barrel 7.1, a cotter pin 7.42 for blocking the end part of the check valve seat 7.41 and a plug 7.43 movably arranged in the inner cavity of the check valve seat 7.41; the third quick-twist coupler 7.5 is arranged through the rear end cap 7.3. The check valve seat 7.41 is arranged on the right side of the inner cavity of the water pump barrel 7.1, and the check valve seat 7.41 is connected with the rear end cover 7.3 through threads and is communicated with the second quick-screwing joint 7.4 so as to allow external washing liquid to enter the cavity.
The joint of the open end 7.11 of the water pump barrel 7.1 and the rear end cover 7.3 is provided with an assembly formed by a flat pad, an elastic pad, a hexagon head screw and an O-shaped sealing ring, and the sealing performance is good.
The water pump barrel 7.1 is of an integral casting molding structure, and can meet the requirements of low cost and easy assembly proposed by a wiper system. The plug 7.43 is of a cylindrical structure, the plug 7.43 is arranged in the inner cavity of the check valve seat 7.41, the contact surface of the plug 7.43 and the inner cavity is smooth, and the sealing function is achieved under the condition of pressure difference. The cotter pin 7.42 is arranged on the non-return valve seat 7.41 to prevent the plug 7.43 from sliding out. The air bag 7.6 is an anti-freezing air bag, preferably a butyl rubber hollow air bag. The air bag has the characteristics of oil resistance, low temperature resistance and good flexibility, and can play a role in preventing the explosion of the spray water pump by compressing the air bag when the spray water pump is filled with the cleaning solution and is in an environment below the freezing point.
The working principle of the spray water feed pump 7 of the application is as follows:
the washing liquid is stored by pressure differential by the washing liquid tank 8 (here can be the pressure differential that gravity formed, also can be the pressure differential that the people adopted the water pump effect to form) and is crossed second quick-twist joint 7.4 and get into the chamber that water pump section of thick bamboo 7.1 and rear end cover 7.3 formed, and in the intracavity that water pump section of thick bamboo 7.1 and rear end cover 7.3 formed is crossed to gas from first quick-twist joint 7.2, gas produces decurrent pressure to the washing liquid in the chamber, and the washing liquid is followed the bottom of drainage tube 7.21 and is crossed first quick-twist joint 7.2 and is discharged, realizes the required spraying effect of wiper system.
When the plug 7.43 is pressed to the edge of the check valve seat 7.41 due to the pressure in the cavity (the cavity formed by the water pump barrel 7.1 and the rear end cover 7.3) and is tightly attached (the plug 7.43 completely seals the outlet of the check valve seat 7.41 communicated with the second quick-screwing joint 7.4), the washing liquid in the cavity of the check valve seat 7.41 cannot be discharged from the second quick-screwing joint 7.4, so that the unidirectional and non-return effects are realized; when the washing liquid in the cavity formed by the water pump barrel 7.1 and the rear end cover 7.3 is discharged below the bottom end (lower end) of the drainage tube 7.21, gas is automatically discharged through the first quick-screwing joint 7.2, no pressure difference exists in the cavity formed by the water pump barrel 7.1 and the rear end cover 7.3, and one-time spraying action is completed.
After the spraying action is completed, the external washing liquid enters the cavity formed by the water pump barrel 7.1 and the rear end cover 7.3 again due to the pressure difference, and the spraying action can be repeatedly executed.
The connection relation of all the components in the spraying control system of the locomotive wiper is as follows:
the stop valve 1 is mounted on the control panel 9 through a stop valve pipe clamp 2, one end of the stop valve is communicated with a compressed gas supply device (the compressed gas supply device can be provided by a locomotive or additionally provided according to actual conditions at this time), and the other end of the stop valve is communicated with the inlet end of the pressure reducing filter valve 3.
The inlet end 4.1 of the air path diversion component 4 is communicated with the outlet end of the pressure reducing filter valve 3, the first outlet end 4.2 of the air path diversion component is communicated with the wiper motor control system, and the second outlet end 4.3 of the air path diversion component is communicated with the inlet 5.1 of the two-position three-way button switch 5. After the gas passes through the gas path diversion component, the control of the pressure and the diversion required by the system are realized.
The first outlet 5.2 of the two-position three-way button switch 5 is communicated with the external atmosphere, and the second outlet 5.3 of the two-position three-way button switch is communicated with the air inlet 6.1 of the quick exhaust valve 6.
The second air outlet 6.3 of the quick exhaust valve 6 is communicated with the first quick screw joint 7.2 of the spray feed pump 7.
The second quick-twist coupling 7.4 of the spray feed pump 7 communicates with the storage tank 8, the third quick-twist fitting 7.5 thereof communicates with the wiper member.
The pressure reducing filter valve 3 is mounted on the control panel 9 through a mounting bracket 10; the air path diversion component 4 is fixed on the control panel 9 through a combination of a screw, a flat pad and a spring pad (namely the formed fixing component 4.4).
The pipelines of PA6 nylon (polyamide) material are preferably connected through hoses between the stop valve 1 and the compressed gas supply device, between the stop valve 1 and the inlet end of the pressure reducing filter valve 3, between the inlet end 4.1 of the gas path diversion component 4 and the outlet end of the pressure reducing filter valve 3, between the first outlet end 4.2 of the gas path diversion component 4 and the wiper motor control system, between the second outlet end 4.3 of the gas path diversion component 4 and the inlet 5.1 of the two-position three-way push button switch 5, between the second outlet 5.3 of the two-position three-way push button switch 5 and the air inlet 6.1 of the quick exhaust valve 6, between the second air outlet 6.2 of the quick exhaust valve 6 and the first quick screw joint 7.2 of the spray water supply pump 7, and between the second quick screw joint 7.4 of the spray water supply pump 7 and the stored washing liquid tank 8.
The control method of the locomotive wiper spraying control system is as follows (the schematic diagram is shown in fig. 2):
step one, washing liquid stored in a washing liquid tank 8 flows to and fills the inner cavity of a spray water supply pump 7 through a second quick-twisting joint 7.4;
step two, pressing a two-position three-way button switch 5, and opening an air path; compressed gas sequentially passes through a stop valve 1 (the stop valve 1 rotates to an open state through a self-contained handle), a decompression filter valve 3 and a two-position three-way button switch 5, enters an air inlet 6.1 of a quick exhaust valve 6, then enters an inner cavity of a spray water supply pump 7 through a second air outlet 6.3 and a first quick screwing joint 7.2 of the quick exhaust valve 6, and washing liquid in the inner cavity of the spray water supply pump 7 is sent to a wiper through a third quick screwing joint 7.5 to realize spray action;
step three, continuously pressing a two-position three-way button switch 5, exhausting the washing liquid in the inner cavity of the spray water supply pump 7, exhausting the gas in the inner cavity through a first quick screwing joint 7.2, and stopping the spray action;
or, the two-position three-way button switch 5 is loosened, and the air passage is closed; the gas of the pipeline between the quick exhaust valve 6 and the two-position three-way button switch 5 is discharged to the atmosphere through the first outlet 5.2 of the two-position three-way button switch 5, and the pressure in the inner cavity of the quick exhaust valve 6 is released; the gas in the cavity of the spray feed pump 7 is discharged to the atmosphere through the first gas outlet 6.2 of the quick exhaust valve 6, the pressure in the cavity of the spray feed pump 7 is released, and the step I is returned;
the first step, the second step and the third step can be circulated once or repeatedly according to actual demands, so as to meet different demands.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. The locomotive wiper spray control system is characterized by comprising a stop valve (1), a decompression filter valve (3), an air path diversion component (4), a two-position three-way button switch (5), a quick exhaust valve (6), a spray water supply pump (7), a washing liquid storage tank (8) and a water pump for conveying washing liquid in the washing liquid storage tank (8) to the spray water supply pump (7);
the gas path diversion component (4) comprises an inlet end (4.1), a first outlet end (4.2) and a second outlet end (4.3); the two-position three-way button switch (5) comprises an inlet (5.1), a first outlet (5.2) and a second outlet (5.3); the quick exhaust valve (6) comprises an air inlet (6.1), a first air outlet (6.2) communicated with the external atmosphere and a second air outlet (6.3); the spray water supply pump (7) comprises a water pump barrel (7.1), and a first quick-screwing joint (7.2), a second quick-screwing joint (7.4) and a third quick-screwing joint (7.5) which are respectively communicated with the inner cavity of the water pump barrel (7.1);
one end of the stop valve (1) is communicated with a compressed gas supply device, and the other end of the stop valve is communicated with the inlet end of the pressure-reducing filter valve (3); the outlet end of the decompression filter valve (3) is communicated with the inlet end (4.1) of the gas path diversion component (4); the first outlet end (4.2) of the air path diversion component (4) is communicated with a wiper motor control system, and the second outlet end (4.3) of the air path diversion component is communicated with the inlet (5.1) of the two-position three-way button switch (5); the first outlet (5.2) of the two-position three-way button switch (5) is communicated with the external atmosphere, and the second outlet (5.3) of the two-position three-way button switch is communicated with the air inlet (6.1) of the quick exhaust valve (6); the second air outlet (6.3) of the quick exhaust valve (6) is communicated with a third quick screwing joint (7.5) of the spray water supply pump (7); the second quick-screwing joint (7.4) of the spray water supply pump (7) is communicated with the washing liquid storage tank (8), and the first quick-screwing joint (7.2) of the spray water supply pump is communicated with a wiper part;
the stop valve (1), the decompression filter valve (3), the gas path diversion component (4) and the two-position three-way button switch (5) are all arranged on the control panel (9); the rapid exhaust valve (6), the spray water supply pump (7), the washing liquid storage tank (8) and the control panel (9) are all arranged on the locomotive body;
the spray water feed pump (7) comprises a water pump barrel (7.1) with an opening end (7.11) and a closed end (7.12), a first quick-twist joint (7.2) which is arranged through the closed end (7.12) of the water pump barrel (7.1) and provides a channel for washing liquid to flow out of the inner cavity of the water pump barrel (7.1), a rear end cover (7.3) used for sealing the opening end (7.12) of the water pump barrel (7.1), a second quick-twist joint (7.4) which is arranged through the rear end cover (7.3) and provides a channel for external washing liquid to flow into the inner cavity of the water pump barrel (7.1), a third quick-twist joint (7.5) which provides a channel for gas to enter the inner cavity of the water pump barrel (7.1) and an air bag (7.6) which is movably arranged in the inner cavity of the water pump barrel (7.1) and is positioned between the first quick-twist joint (7.2) and the second quick-twist joint (7.4);
one end of the first quick-screwing joint (7.2) positioned in the inner cavity of the water pump barrel (7.1) is provided with a downward drainage tube (7.21);
one end of the second quick-screwing joint (7.4) positioned in the inner cavity of the water pump barrel (7.1) is provided with a check valve seat (7.41) communicated with the second quick-screwing joint (7.4) and the inner cavity of the water pump barrel (7.1), a cotter pin (7.42) for blocking the end part of the check valve seat (7.41) and a plug (7.43) movably arranged in the inner cavity of the check valve seat (7.41); the third quick-twist joint (7.5) is arranged through the rear end cover (7.3).
2. The locomotive wiper spray control system according to claim 1, characterized in that the shut-off valve (1) is mounted on the control panel (9) by a shut-off valve pipe clamp (2); the pressure-reducing filter valve (3) is arranged on the control panel (9) through a mounting bracket (10); the air path diversion component (4) is fixed on the control panel (9) through the combination of the screw, the flat pad and the elastic pad.
3. The locomotive wiper spray control system according to claim 1, characterized in that the minimum distance from the lower end of the drain tube (7.21) to the inner cavity wall of the water pump cartridge (7.1) is 5-20mm.
4. A locomotive wiper spray control system according to claim 3, characterized in that the junction of the open end (7.11) of the water pump cartridge (7.1) and the rear end cap (7.3) is provided with an assembly of flat pads, spring pads, hex head screws and O-rings.
5. A locomotive wiper spray control system according to claim 3, characterized in that the water pump cartridge (7.1) is of integrally formed construction; the plug (7.43) is of a cylindrical structure; the air bag (7.6) is an anti-freezing air bag.
6. A locomotive wiper spray control system according to claim 3, characterized in that between the shut-off valve (1) and the compressed gas supply, between the shut-off valve (1) and the inlet end of the pressure reducing filter valve (3), between the inlet end (4.1) of the gas path diversion component (4) and the outlet end of the pressure reducing filter valve (3), between the first outlet end (4.2) of the gas path diversion component (4) and the wiper motor control system, between the second outlet end (4.3) of the gas path diversion component (4) and the inlet (5.1) of the two-position three-way push button switch (5), between the second outlet (5.3) of the two-position three-way push button switch (5) and the air inlet (6.1) of the quick-release valve (6), between the second outlet (6.2) of the quick-release valve (6) and the third quick-twist fitting (7.5) of the water feed pump (7), between the second outlet (4.3) of the water feed pump (7) and the quick-release valve (7) and the water feed pump (7) are screwed through a hose.
7. A method of controlling a locomotive wiper spray control system as claimed in any one of claims 1 to 6, comprising the steps of:
step one, washing liquid in a washing liquid storage tank (8) flows to and fills the inner cavity of a spraying water supply pump (7) through a second quick-twisting joint (7.4);
step two, pressing a two-position three-way button switch (5), and opening an air path; compressed gas sequentially passes through a stop valve (1), a decompression filter valve (3) and a two-position three-way button switch (5) to enter an air inlet (6.1) of a quick exhaust valve (6), then enters an inner cavity of a spray water supply pump (7) through a second air outlet (6.3) of the quick exhaust valve (6) and a third quick screwing joint (7.5), and washing liquid in the inner cavity of the spray water supply pump (7) is sent to a wiper through a first quick screwing joint (7.2);
step three, continuously pressing a two-position three-way button switch (5), exhausting the washing liquid in the inner cavity of the spray water supply pump (7), exhausting the gas in the inner cavity through a first quick screwing joint (7.2), and stopping the spray action;
or, loosening the two-position three-way button switch (5), and closing the air passage; the gas of the pipeline between the quick exhaust valve (6) and the two-position three-way button switch (5) is discharged to the atmosphere through a first outlet (5.2) of the two-position three-way button switch (5), and the pressure in the inner cavity of the quick exhaust valve (6) is released; the gas in the inner cavity of the spray water feed pump (7) is discharged to the atmosphere through a first gas outlet (6.2) of the quick gas discharge valve (6), the pressure in the inner cavity of the spray water feed pump (7) is released, and the step one is returned;
step one, step two and step three are cycled at least once.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634354.0A CN107685715B (en) | 2016-08-04 | 2016-08-04 | Spraying control system and method for locomotive wiper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610634354.0A CN107685715B (en) | 2016-08-04 | 2016-08-04 | Spraying control system and method for locomotive wiper |
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| CN107685715A CN107685715A (en) | 2018-02-13 |
| CN107685715B true CN107685715B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610634354.0A Active CN107685715B (en) | 2016-08-04 | 2016-08-04 | Spraying control system and method for locomotive wiper |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111216683A (en) * | 2019-12-10 | 2020-06-02 | 株洲桓基电气股份有限公司 | Windshield wiper control system of motor train unit |
| CN111674363A (en) * | 2020-06-18 | 2020-09-18 | 中国重汽集团柳州运力专用汽车有限公司 | Quick water-feeding anti-overflow device |
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| DE19515611A1 (en) * | 1995-04-28 | 1996-10-31 | Vdo Schindling | Windscreen washing system for vehicle |
| CN2910697Y (en) * | 2006-02-21 | 2007-06-13 | 方小榕 | Air pressing type device for removing rain and mud for windscreen glass of automobile |
| CN102371973A (en) * | 2010-08-05 | 2012-03-14 | 中国北车集团大同电力机车有限责任公司 | Locomotive and pneumatic window wiper system thereof |
| CN104097613A (en) * | 2014-07-31 | 2014-10-15 | 株洲联诚集团有限责任公司 | Air-controlled pneumatic synchronous wiper for locomotive |
| CN204506839U (en) * | 2014-12-27 | 2015-07-29 | 江阴市卡利格机械有限公司 | The pneumatic water injecting system of wiper |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19515611A1 (en) * | 1995-04-28 | 1996-10-31 | Vdo Schindling | Windscreen washing system for vehicle |
| CN2910697Y (en) * | 2006-02-21 | 2007-06-13 | 方小榕 | Air pressing type device for removing rain and mud for windscreen glass of automobile |
| CN102371973A (en) * | 2010-08-05 | 2012-03-14 | 中国北车集团大同电力机车有限责任公司 | Locomotive and pneumatic window wiper system thereof |
| CN104097613A (en) * | 2014-07-31 | 2014-10-15 | 株洲联诚集团有限责任公司 | Air-controlled pneumatic synchronous wiper for locomotive |
| CN204506839U (en) * | 2014-12-27 | 2015-07-29 | 江阴市卡利格机械有限公司 | The pneumatic water injecting system of wiper |
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| CN107685715A (en) | 2018-02-13 |
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Effective date of registration: 20240405 Address after: Room 106, Building 5, Phase II, Depu Wuhe Enterprise Park, No.1 and No.3 Luoluotang Road, Changsha Economic and Technological Development Zone, Changsha City, Hunan Province, 410100 Patentee after: CHANGSHA QIWEI SENSING TECHNOLOGY CO.,LTD. Country or region after: China Address before: No. 66 and 68 Liancheng Road, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee before: HUNAN LINCE ROLLING STOCK EQUIPMENT Co.,Ltd. Country or region before: China |