CN113649365A - Cleaning device and cleaning system suitable for whole vehicle braking system of railway vehicle - Google Patents
Cleaning device and cleaning system suitable for whole vehicle braking system of railway vehicle Download PDFInfo
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- CN113649365A CN113649365A CN202110877056.5A CN202110877056A CN113649365A CN 113649365 A CN113649365 A CN 113649365A CN 202110877056 A CN202110877056 A CN 202110877056A CN 113649365 A CN113649365 A CN 113649365A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0328—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid by purging the pipe with a gas or a mixture of gas and liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0325—Control mechanisms therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B2209/00—Details of machines or methods for cleaning hollow articles
- B08B2209/02—Details of apparatuses or methods for cleaning pipes or tubes
- B08B2209/027—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces
- B08B2209/032—Details of apparatuses or methods for cleaning pipes or tubes for cleaning the internal surfaces by the mechanical action of a moving fluid
Abstract
The invention discloses a cleaning device and a cleaning system suitable for a whole braking system of a railway vehicle, wherein the cleaning system comprises a braking pipeline, and a high-pressure air source and a cleaning device which are respectively connected with two ends of the braking pipeline; the cleaning device comprises a cleaning gas circuit, a power supply unit, a control unit and a human-computer interface unit; a filtering and pressure regulating valve, a pressure detection device and an electromagnetic valve are sequentially arranged between an air inlet and an air outlet of the cleaning air path, and a signal output end of the pressure detection device and control ends of the filtering and pressure regulating valve and the electromagnetic valve are respectively connected with a control unit; the man-machine interface unit receives an external control instruction and transmits the external control instruction to the control unit, and the control unit controls the on-off state of the electromagnetic valve according to the received external control instruction so as to control the on-off of the cleaning gas path; the control unit controls the filtering and pressure regulating valve to regulate pressure according to the gas path pressure signal and a preset pressure reference value. The invention has simple and accurate operation and can provide effective guarantee for the cleaning of the braking system and the reliability of the braking performance.
Description
Technical Field
The invention relates to a cleaning device and a cleaning system suitable for a whole vehicle braking system of a railway vehicle, and belongs to the technical field of rail transit.
Background
The braking system is one of important systems of the rail vehicle, the performance of the braking system directly influences the operation state of the vehicle, and the blockage of the braking system can cause that a braking instruction on the vehicle cannot reach a terminal braking device, so that the braking is invalid, and further accidents are caused. Therefore, the cleanliness of the brake system has a direct influence on the braking performance, and the cleanliness of the brake pipe as a component for connecting various devices is particularly important. Because the inside air inlet of main relevant equipment of braking all is provided with the filter screen, and inside has passed cleanly, consequently to braking system's clean mainly be the inside cleanness of brake pipe, current pipeline clean mode mainly has three kinds:
1. cleaning the interior of the pipeline by liquid ultrasonic waves;
2. cleaning the pipeline by continuously charging high-pressure air into the pipeline;
3. and (4) carrying out projectile cleaning on the interior of the pipeline by using a high-pressure air gun and a sponge bullet.
And the above three methods all have their limitations. 1. The method for cleaning the pipeline by adopting ultrasonic waves is usually only used for cleaning oil stains and scrap irons in the pipeline machining process after the pipeline machining is finished, and is not suitable for the pipeline assembling process. 2. When the high-pressure air gun is used for cleaning in a continuous blowing mode, large dirt inside the straight pipe can only be cleaned, and fine dust and bent pipes adhered to the inner wall of the pipeline cannot be cleaned. 3. The inside of the pipeline can be thoroughly cleaned when the projectile is used for cleaning, so that the inside of the pipeline can be widely used for cleaning before being installed with a single pipeline, along with popularization of a modularized design idea, more and more pipelines are integrated with equipment in a modularized mode, the pipeline is usually pre-assembled at a pre-assembling station during assembly, the pipelines integrated on the equipment and the pre-assembled pipelines have numerous leakage interfaces, so that the projectile cannot be cleaned, and meanwhile, the pipelines are difficult to avoid generating impurities such as scraps in the assembly process, so that effective and reliable measures cannot be taken for cleaning the finished brake pipeline of the whole vehicle after the assembly, and further the cleaning degree of the finished brake system related parts cannot be guaranteed.
Disclosure of Invention
The invention aims to provide a cleaning device and a cleaning system suitable for a whole vehicle braking system of a railway vehicle, which can solve the problem that parts of the whole vehicle braking system are not cleaned in place after being assembled in the prior art. The technical scheme adopted by the invention is as follows.
In a first aspect, the invention provides a cleaning device suitable for a whole braking system of a railway vehicle, which comprises a cleaning gas path, a power supply unit, a control unit and a human-computer interface unit, wherein the control unit and the human-computer interface unit are powered by the power supply unit; a filtering and pressure regulating valve, a pressure detection device and an electromagnetic valve are sequentially arranged between an air inlet and an air outlet of the cleaning air path, and a signal output end of the pressure detection device and control ends of the filtering and pressure regulating valve and the electromagnetic valve are respectively connected with a control unit;
the man-machine interface unit receives an external control instruction and transmits the external control instruction to the control unit, and the control unit controls the on-off state of the electromagnetic valve according to the received external control instruction so as to control the on-off of the cleaning gas path; the control unit receives the gas path pressure signal transmitted by the pressure detection device and controls the filtering and pressure regulating valve to regulate the pressure according to the gas path pressure signal and a preset pressure reference value.
Optionally, in the cleaning device, an air outlet of the cleaning air path is further connected with a silencing device.
Optionally, in the cleaning device, an air outlet of the cleaning air path is further connected with an air cleanliness detection device.
Optionally, in the cleaning device, the control unit adopts a PLC controller;
the power supply unit comprises an alternating current power supply loop, a switching power supply module and a direct current power supply loop, wherein the power supply input end of the alternating current power supply loop is connected with an external alternating current power supply through a circuit breaker, and the power supply input end of the direct current power supply loop is connected with the alternating current power supply loop through the switching power supply module;
the alternating current power supply loop provides a working power supply for the PLC, and the direct current power supply loop provides a working power supply for the electromagnetic valve and the man-machine interface unit. The electromagnetic valve can adopt a two-position three-way electromagnetic valve.
Optionally, the cleaning device further comprises an indicating unit, wherein the indicating unit comprises a power indicator light and an alarm indicator light; the power supply indicator light is connected in the alternating current power supply loop, the alarm indicator light is connected in the alarm output circuit, and the alarm output circuit is connected with the alarm signal output port of the PLC. The two indicator lights may be of different colors for better differentiation.
Optionally, the cleaning device further comprises a box body, the box body comprises an operation control console, the power supply unit, the control unit, the electromagnetic valve on the cleaning gas path and the filtering and pressure regulating valve are all arranged in the box body, and the human-computer interface unit, the pressure display part of the pressure detection device, the power indicator and the alarm indicator are respectively arranged on the operation control console.
Optionally, a plurality of walking casters are arranged at the bottom of the box body.
Optionally, the human-computer interface unit is provided with an input interface for a user to input the switching times of the electromagnetic valve and the on-off time of each time, the control unit generates a complete control logic for the electromagnetic valve based on a preset control logic generation rule according to the received switching times and time information, and the electromagnetic valve is controlled according to the complete control logic in the cleaning process.
The control unit adopting the PLC can realize the generation of control logic according to the switching times of the electromagnetic valve and the time of switching on and off each time, which are input by the man-machine interface. When the electromagnetic valve is closed, external high-pressure gas can be injected into the gas path and gathered, the gas pressure in the gas path is gradually increased, and the gas path pressure during each cleaning can be changed by setting the closing duration of the electromagnetic valve through the human-computer interface; when the specified turn-off time is reached, the PLC controls the electromagnetic valve to be switched on, and the high-speed flow of the high-pressure gas can realize the efficient cleaning of impurities in the gas circuit.
In a second aspect, the invention provides a cleaning system suitable for a whole vehicle braking system of a railway vehicle, which comprises a braking pipeline, a high-pressure air source and a cleaning device, wherein the high-pressure air source and the cleaning device are respectively connected with two ends of the braking pipeline;
the cleaning device employs the cleaning device described in the first aspect.
When the cleaning system is applied, the control unit controls the on-off of the electromagnetic valve by controlling the power-on or power-off of the electromagnetic valve coil: when the coil loses power, the electromagnetic valve is closed, the external wind source connected with the system continuously charges high-pressure air into the vehicle brake pipeline of the system, when the coil is powered on, the electromagnetic valve is opened, the high-pressure air in the system is exhausted out of the system through the air outlet on the electromagnetic valve, and the high-pressure air in the system is quickly exhausted, so that fine impurities in the vehicle brake system can be taken away, and the aim of cleaning is fulfilled.
Optionally, the cleaning device and the brake pipeline are detachably connected through a connecting hose, the brake pipeline and the connecting hose and the cleaning air inlet of the cleaning device are respectively connected through a quick connector, and the brake pipeline is detachably connected with the quick connector through a conversion connector.
Advantageous effects
Compared with the prior art, the invention has the advantages that: the cleaning device and the cleaning system are simple to operate and high in practicability, and can effectively and reliably clean the whole vehicle braking system of the railway vehicle, so that the problem that parts of the whole vehicle braking system cannot be cleaned after being assembled in the prior art is solved.
With these advantages and advances at the same time: (1) the degree of cleanliness of the interior of the system can be judged by exhausting air through the exhaust port; (2) the operation process can be displayed through a display interface; (3) the device can realize full-automatic process control, automatic timing and counting, can be operated by one key after the connection of the device is finished, has high cleaning degree, and avoids the influence of uncontrollable factors possibly caused by manual operation; (4) the air inlet of the device is introduced by adopting a quick connector and can be quickly and repeatedly connected with an on-vehicle pipeline, and the noise reduction device is arranged at the position of the air outlet to reduce the noise influence; (5) the device can automatically alarm when meeting emergency such as equipment failure in the operation process, and the device automatically cuts off the power, thereby preventing the equipment damage caused by the emergency from causing the electric shock of personnel.
Drawings
Fig. 1 is a schematic diagram of a gas circuit in an embodiment of the cleaning system of the present invention.
FIG. 2 is a schematic view of the electrical control of one embodiment of the cleaning apparatus of the present invention;
FIG. 3 is a schematic view of an embodiment of a cleaning device according to the present invention;
FIG. 4 is a schematic diagram of a human-machine interface according to the present invention.
The reference signs are: 1. a vehicle brake line; 2. a crossover sub; 3. a left quick connector; 4. a connecting hose; 5. a right quick connector; 6. filtering the pressure regulating valve; 7. a pressure detection device; 8. an electromagnetic valve; 9. a silencer device; 10. a human-machine interface unit human-machine interface; 11. a power indicator light; 12. an alarm indicator light; 13. a PLC controller; 14. a circuit breaker; 15. a switching power supply; 16. and (5) moving the trolley.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
The embodiment introduces a cleaning device suitable for a whole braking system of a railway vehicle, and referring to fig. 2 to 4, the cleaning device comprises a cleaning gas circuit, a power supply unit, a control unit powered by the power supply unit and a human-computer interface unit; a filtering and pressure regulating valve 6, a pressure detection device and an electromagnetic valve 8 are sequentially arranged between an air inlet and an air outlet of the cleaning air path, and a signal output end of the pressure detection device and control ends of the filtering and pressure regulating valve and the electromagnetic valve are respectively connected with a control unit;
the man-machine interface unit receives an external control instruction and transmits the external control instruction to the control unit, and the control unit controls the on-off state of the electromagnetic valve according to the received external control instruction so as to control the on-off of the cleaning gas path; the control unit receives the gas path pressure signal transmitted by the pressure detection device and controls the filtering and pressure regulating valve to regulate the pressure according to the gas path pressure signal and a preset pressure reference value.
In this embodiment, the electromagnetic valve is used for controlling the on-off state through the control unit to realize the pressure gathering and releasing of the gas introduced into the gas path, so that fine impurities in the gas path and the pipeline connected with the gas path are taken away through the high-speed flow of the high-pressure gas.
The filtering and pressure regulating valve 6 can prevent the device from being damaged due to overhigh air pressure, the internal pressure of the device is controlled through the filtering and pressure regulating valve 6, if the system pressure is greater than the limit pressure, high-pressure air is discharged from an air outlet of the filtering and pressure regulating valve 6, meanwhile, the filtering and pressure regulating valve can also filter and clean the air in the device, and the device is prevented from being blocked by larger foreign matters, so that the electromagnetic valve is prevented from being damaged.
A pressure gauge 7 is arranged behind the filtering and pressure regulating valve 6 and used for displaying the pressure value inside the device during cleaning, and the pressure value during working of the device can be visually displayed, so that the device is prevented from being damaged due to overlarge pressure;
as shown in fig. 2, in the present embodiment, the control unit in the cleaning device adopts a PLC controller; the power supply unit comprises an alternating current power supply loop, a switching power supply module and a direct current power supply loop, wherein the power supply input end of the alternating current power supply loop is connected with an external alternating current power supply through a circuit breaker, and the power supply input end of the direct current power supply loop is connected with the alternating current power supply loop through the switching power supply module;
the alternating current power supply loop provides a working power supply for the PLC, and the direct current power supply loop provides a working power supply for the electromagnetic valve and the man-machine interface unit. The electromagnetic valve can adopt a two-position three-way electromagnetic valve.
The man-machine interface unit is provided with an input interface for a user to input the switching times of the electromagnetic valve and the on-off time of each time, the control unit generates a complete control logic for the electromagnetic valve based on a preset control logic generation rule according to the received switching times and time information, and the electromagnetic valve is controlled according to the complete control logic in the cleaning process.
In the embodiment, the control unit adopting the PLC can generate the control logic according to the number of times of opening and closing the solenoid valve and the time of opening and closing each time, which are input through the man-machine interface. When the electromagnetic valve is closed, external high-pressure gas can be injected into the gas path and gathered, the gas pressure in the gas path is gradually increased, and the gas path pressure during each cleaning can be changed by setting the closing duration of the electromagnetic valve through the human-computer interface; when the specified turn-off time is reached, the PLC controls the electromagnetic valve to be switched on, and the high-speed flow of the high-pressure gas can realize the efficient cleaning of impurities in the gas circuit.
The cleaning device of the embodiment can support the control of the electromagnetic valve to perform timing and multiple air charging and discharging through the PLC output logic, and the cleaning of the braking system is realized.
Referring to fig. 2 and 3, the cleaning device of the present embodiment further includes an indicating unit including a power indicator lamp 11 and an alarm indicator lamp 12; the power supply indicator light is connected in the alternating current power supply loop, the alarm indicator light is connected in the alarm output circuit, and the alarm output circuit is connected with the alarm signal output port of the PLC. The two indicator lights can be in different colors to better distinguish, for example, the power indicator light is white, and the alarm indicator light is red. When the circuit breaker on the alternating current supply circuit is conducted, the white power indicator lamp is turned on, and the cleaning device can be operated.
As shown in fig. 3, the cleaning device of this embodiment further includes a box body, the box body includes an operation console, the power supply unit, the control unit, the electromagnetic valve on the cleaning gas path, and the filtering and pressure regulating valve are all disposed in the box body, and the human-computer interface unit, the pressure display component of the pressure detection device, the power indicator lamp, and the alarm indicator lamp are respectively mounted on the operation console of the box body; the bottom of the box body is provided with a plurality of walking trundles. That is, in the present embodiment, the filtering and pressure regulating valve 6, the solenoid valve 8, the pressure detecting device 7, the muffler 9, the human interface unit, the PLC controller 13, the circuit breaker 14, the switching power supply 15, the white indicator light 11, and the red indicator light 12 are integrated by using a movable cart, so that the cleaning device can be conveniently transferred or moved for cleaning operation of a vehicle brake system at different positions or for adapting to limitations such as a place for actual cleaning operation.
Since the high-pressure air inside the system generates a high-speed flow when the electromagnetic valve 8 exhausts, noise is generated, and therefore, a silencer 9 is arranged behind the electromagnetic valve 8 to reduce the noise generated when the device exhausts.
In addition, still can be through connecting air cleanliness factor detection device at the air outlet of clean gas circuit, test exhaust gas's cleanliness factor to judge the cleanliness factor of the pipeline that the gas circuit connects.
Example 2
The embodiment introduces a cleaning system suitable for a whole vehicle braking system of a railway vehicle, which comprises a braking pipeline, a high-pressure air source and a cleaning device, wherein the high-pressure air source and the cleaning device are respectively connected with two ends of the braking pipeline;
the cleaning apparatus used was the one described in example 1.
Can dismantle through coupling hose and be connected between cleaning device and the brake pipe, as shown in figure 1, can dismantle through crossover sub 2 and left quick connector 3 and be connected between brake pipe 1 and the coupling hose, be connected through right quick connector 5 between coupling hose and cleaning device's the clean gas circuit air inlet, brake pipe passes through crossover sub and can dismantle the connection quick connector.
When the cleaning system of this embodiment is in use, the control unit controls the on-off of the solenoid valve by controlling the power-on or power-off of the solenoid valve coil: when the coil loses power, the electromagnetic valve is closed, the external wind source connected with the system continuously charges high-pressure air into the vehicle brake pipeline of the system, when the coil is powered on, the electromagnetic valve is opened, the high-pressure air in the system is exhausted out of the system through the exhaust port on the electromagnetic valve, and the high-pressure air in the system is quickly exhausted, so that fine impurities in the vehicle brake system can be taken away, and the aim of cleaning the brake pipeline is fulfilled.
Specifically, the working principle of the cleaning system of the embodiment when cleaning the whole braking system of the railway vehicle is as follows:
the whole logic function of the cleaning device is controlled by a PLC, and the action of the electromagnetic valve can be accurately controlled, so that the air charging and exhausting time can be accurately controlled.
After the workshop power supply passes through the circuit breaker 14, the electricity provides the 220V power for PLC module 13 all the way, gives white switch pilot lamp 11 power supply simultaneously, and the pilot lamp is got the electricity and is lighted, and the system is opened. The workshop power supply provides 220V power for the PLC, and the PLC can control and logically output.
The other path of the power supply outputs direct current 24V voltage through the switching power supply 15 to supply power to the solenoid valve switch 8 and the human-computer interface 10. After the human-computer interface 10 is powered on, the solenoid valve switching times and time can be set on the interface through the PLC module 13 programming function, and the circulation of the gas circuit is realized. At the same time, the cleaning progress can be displayed on the interface.
The circuit is provided with a red indicator light as an alarm indicator light, and power is supplied through a PLC (programmable logic controller), so that on one hand, after cleaning is finished, a cleaning finishing prompt function is realized; on the other hand, when the emergency occurs, the alarm indicator lights flicker, and the circuit breaker is automatically disconnected, so that equipment damage and personnel electric shock are prevented.
The workshop power supply outputs direct-current 24V voltage through a switching power supply and provides power for a solenoid valve switch and a human-computer interface. After the human-computer interface is electrified, the opening and closing times and time of the electromagnetic valve can be set on the human-computer interface through a PLC programming function, and the circulation of the gas circuit is realized. At the same time, the cleaning progress can be displayed on the interface.
The method for cleaning the whole braking system of the railway vehicle by using the cleaning system of the embodiment can adopt the following steps:
(1) connecting one end of a vehicle brake pipeline with an external high-pressure air source, inserting the other end of the vehicle brake pipeline 1 with a quick-plug connector 3 on the device, and connecting a specification conversion connector 2 corresponding to the quick-plug connector 3 on the vehicle brake pipeline 1 before inserting;
(2) inserting a connecting hose 4 and a quick connector 5 on the device, and opening an external high-pressure air source to inflate the vehicle pipeline;
(3) after the device is connected to a power supply, the circuit breaker 14 is closed, the white power switch indicator lamp is on, and the whole device is started.
(4) Referring to fig. 4, the on-off time and the number of times of the electromagnetic valve 8 are set through the human-computer interface 10, so that the control device controls the action of the electromagnetic valve 8, and further, the charging and discharging time of the device can be accurately controlled, for example, the electromagnetic valve is set to be opened for 6S, closed for 6S, and the number of times of charging and discharging is set to be 100, and the specific operations are as follows:
pressing the SET key on the human-machine interface 10 → digital movement after the air inflation time on the display screen → inputting the air inflation time in the numeric area on the keyboard of the display screen 6S → pressing the SET key again → digital jumping after the air inflation time → inputting the air inflation time in the numeric area on the keyboard of the display screen 6S → pressing the SET key again → inputting the air inflation time in the numeric area on the keyboard of the display screen → pressing the SET key again → digital jumping after the air inflation time → inputting the air inflation time in the numeric area on the keyboard of the display screen 100 → pressing the ENT key, that is, ending the setting of the parameter;
(5) and (4) clicking a starting button on the human-computer interface 10 after the setting is finished, cleaning the whole vehicle braking system by using the starting device, and timing switching on and off the electromagnetic valve 8 according to the parameters set in the step (4) under the control of the control device.
When the electromagnetic valve 8 is closed, the air source still does not cut off the inflation in the device, the exhaust port of the electromagnetic valve 8 does not exhaust, and the internal pressure of the device is increased along with the inflation;
when the electromagnetic valve 8 is opened, the exhaust port is opened at the moment, high-pressure air in the device is exhausted from the exhaust port, and impurities in the vehicle braking system flow along with the high-pressure air and flow towards the exhaust port of the electromagnetic valve 8, so that the aim of cleaning in the exhausting system is fulfilled;
according to the set period in the step (4), continuously repeating the operations of charging and discharging the gas by the electromagnetic valve 8 in the device for 100 times, thereby completely removing impurities in the system;
(6) after the cleaning device is controlled to be periodically charged and discharged, impurities in the brake system are basically removed, and the cleanliness of gas at the outlet of the cleaning device can be detected through the air cleanliness detection device. The air cleanliness detection device can adopt the existing product, and the detection output end of the air cleanliness detection device can be connected to the control unit so as to display the detection result on the human-computer interface of the operation console. And (4) if the detection result meets the set threshold, the control unit controls the device to stop working, otherwise, the device needs to be cleaned continuously, and at the moment, the setting of the step (4) is carried out again, so that the device repeats the operation steps (4), (5) and (6) until the detection result meets the set threshold.
As a simple embodiment, the air cleanliness detecting device may also adopt a white cloth, that is, a clean white cloth is placed at the exhaust port of the electromagnetic valve 8 when the operation is about to be finished, the cleanliness of the air exhausted by the electromagnetic valve 8 is observed, if the surface of the white cloth is clean, the cleaning is considered to be finished, and if fine impurities still exist on the white cloth, the cleaning is not yet finished, and the cleaning needs to be continued.
(7) After cleaning, the red alarm indicator lamp 12 on the device is on to indicate the end.
The invention has the advantages of simple operation, strong practicability, practicality and reliability, and can realize the internal cleaning of the whole vehicle braking system of the railway vehicle. The present invention is disclosed by way of example, but not intended to be limited thereto, and all technical solutions obtained by substituting or converting equivalents thereof fall within the scope of the present invention.
Claims (10)
1. A cleaning device suitable for a whole braking system of a railway vehicle comprises a cleaning gas circuit, a power supply unit, a control unit and a human-computer interface unit, wherein the control unit and the human-computer interface unit are powered by the power supply unit; a filtering and pressure regulating valve, a pressure detection device and an electromagnetic valve are sequentially arranged between an air inlet and an air outlet of the cleaning air path, and a signal output end of the pressure detection device and control ends of the filtering and pressure regulating valve and the electromagnetic valve are respectively connected with a control unit;
the man-machine interface unit receives an external control instruction and transmits the external control instruction to the control unit, and the control unit controls the on-off state of the electromagnetic valve according to the received external control instruction so as to control the on-off of the cleaning gas path; the control unit receives the gas path pressure signal transmitted by the pressure detection device and controls the filtering and pressure regulating valve to regulate the pressure according to the gas path pressure signal and a preset pressure reference value.
2. The cleaning device suitable for the whole vehicle braking system of the railway vehicle as claimed in claim 1, wherein the air outlet of the cleaning air path is further connected with a silencing device.
3. The cleaning device suitable for the whole vehicle braking system of the railway vehicle as claimed in claim 1, wherein an air outlet of the cleaning air path is further connected with an air cleanliness detection device.
4. The cleaning device suitable for the whole vehicle braking system of the railway vehicle as claimed in any one of claims 1 to 3, wherein the control unit adopts a PLC controller;
the power supply unit comprises an alternating current power supply loop, a switching power supply module and a direct current power supply loop, wherein the power supply input end of the alternating current power supply loop is connected with an external alternating current power supply through a circuit breaker, and the power supply input end of the direct current power supply loop is connected with the alternating current power supply loop through the switching power supply module;
the alternating current power supply loop provides a working power supply for the PLC, and the direct current power supply loop provides a working power supply for the electromagnetic valve and the man-machine interface unit.
5. The cleaning device suitable for the whole railway vehicle brake system is characterized by further comprising an indicating unit, wherein the indicating unit comprises a power indicator lamp and an alarm indicator lamp; the power supply indicator light is connected in the alternating current power supply loop, the alarm indicator light is connected in the alarm output circuit, and the alarm output circuit is connected with the alarm signal output port of the PLC.
6. The cleaning device suitable for the whole braking system of the railway vehicle as claimed in claim 5, wherein the cleaning device further comprises a box body, the box body comprises an operation console, the power supply unit, the control unit, the electromagnetic valve on the cleaning gas circuit and the filtering and pressure regulating valve are all arranged in the box body, and the human-computer interface unit, the pressure display part of the pressure detection device, the power indicator and the alarm indicator are respectively arranged on the operation console.
7. The cleaning device for the whole vehicle braking system of the railway vehicle as claimed in claim 6, wherein a plurality of walking casters are provided at the bottom of the box body.
8. The cleaning device suitable for the whole vehicle braking system of the railway vehicle as claimed in claim 1, wherein the human-computer interface unit is provided with an input interface for a user to input the switching times and the on-off time of the solenoid valve, the control unit generates a complete control logic for the solenoid valve based on a preset control logic generation rule according to the received switching times and time information, and the solenoid valve is controlled according to the complete control logic in the cleaning process.
9. A cleaning system suitable for a whole vehicle braking system of a railway vehicle is characterized by comprising a braking pipeline, a high-pressure air source and a cleaning device, wherein the high-pressure air source and the cleaning device are respectively connected with two ends of the braking pipeline;
cleaning device the brake management cleaning method is performed using a cleaning device according to any of claims 1-8.
10. The cleaning system suitable for the whole vehicle braking system of the railway vehicle as claimed in claim 9, wherein the cleaning device is detachably connected with the brake pipeline through a connecting hose, the brake pipeline is connected with the connecting hose and the connecting hose is connected with a cleaning gas path inlet of the cleaning device through quick connectors, and the brake pipeline is detachably connected with the quick connectors through adapter connectors.
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| CN202110877056.5A CN113649365A (en) | 2021-07-31 | 2021-07-31 | Cleaning device and cleaning system suitable for whole vehicle braking system of railway vehicle |
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| CN202110877056.5A CN113649365A (en) | 2021-07-31 | 2021-07-31 | Cleaning device and cleaning system suitable for whole vehicle braking system of railway vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114210667A (en) * | 2021-11-22 | 2022-03-22 | 浙江大华技术股份有限公司 | Pipeline cleaning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113020949A (en) * | 2021-03-11 | 2021-06-25 | 陕西万方汽车零部件有限公司 | Automobile pipeline press-fitting cleaning device |
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| US20170051684A1 (en) * | 2015-08-21 | 2017-02-23 | Deere & Company | Feed forward exhaust throttle and wastegate control for an engine |
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| CN114210667A (en) * | 2021-11-22 | 2022-03-22 | 浙江大华技术股份有限公司 | Pipeline cleaning device |
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