CN110588675B - Automatic cleaning system and method for diesel locomotive radar - Google Patents

Abstract

The invention discloses an automatic cleaning system for a diesel locomotive radar. The radar mounting panel is provided with a radar, a temperature sensor and an ultrasonic measuring device. The invention also provides an automatic cleaning method of the diesel locomotive radar, in the method, the radar purging control system controls the purging system and the melting system according to one or more of data of the temperature sensor and the ultrasonic measuring device on the radar mounting panel collected in real time, so as to realize the automatic cleaning of the diesel locomotive radar. According to the scheme of the invention, the radar is heated and melted by using high-temperature water in the existing diesel engine cooling system of the locomotive, and in addition, the compressed air in the existing air braking system of the locomotive is used for radar dust blowing, so that an air cylinder and an air compressor are not required to be independently arranged, and the locomotive resources are saved.

Description

A diesel locomotive radar automatic cleaning system and method

technical field

The present invention relates to the application field of radar technology, and more particularly, to an automatic cleaning system for a diesel locomotive radar, and a method for automatically cleaning a diesel locomotive radar.

Background technique

Many control functions of the locomotive can be realized by installing radar (such as automatic measurement of locomotive wheel diameter, adhesion control, etc.), because the radar can obtain the real ground speed of the locomotive. However, when the radar probe is covered with dust or ice and snow, if it cannot be removed in time, it will affect the use effect of the radar. Since the locomotive is in operation most of the time, it is impossible to manually remove it manually in real time.

In the prior art, there is a method of using compressed air to purge and clean the radar. By equipping the radar with an air compressor, the compressed air provided by the air compressor enters the radar through the gas channel to achieve the function of purging and cleaning the radar. However, the above technology has the following disadvantages: a separate air compressor is required; there is no contamination detection device, and the compressed air keeps purging the radar, causing energy waste; it cannot solve the problem that the radar probe is covered with ice and snow in winter, which makes the purging effect worse.

To solve the problem of icing, in the prior art, a radar electric heating ice-melting and defrosting device is used to melt the ice and snow on the radar through electric heating. However, the above-mentioned technologies have the following disadvantages: the dust cannot be removed; the use of electricity to heat and melt the ice results in a waste of energy; under the condition of too low temperature, there is no measure to prevent the melted ice water from freezing again, and the melted ice water must be evaporated by heating , the electric heating power demand is large, and it is easy to cause the radar to burn.

Therefore, there is still a need for an automatic cleaning system and method for diesel locomotive radar, which can remove dust or ice and snow on radar probes with low cost and high efficiency.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies in the prior art, the purpose of the present invention is to provide an automatic cleaning system for a diesel locomotive radar, and a method for automatic cleaning of the diesel locomotive radar. The compressed air in the air brake system of the locomotive carries out the purging and dust removal of the radar.

Based on the above purpose, the following technical solutions are adopted:

According to the present invention, an automatic cleaning system for a diesel locomotive radar is provided, comprising:

Radar installation panel, the radar installation panel is provided with radar, temperature sensor and ultrasonic measuring device; the inside of the radar installation panel is provided with a heat conduction medium circulation pipeline; the heat conduction medium circulation pipeline includes an inlet and an outlet;

A melting system, the melting system includes a diesel engine cooling system, a first temperature rise operation pipeline, a second temperature rise operation pipeline, a first solenoid valve and a second solenoid valve; wherein one end of the first temperature rise operation pipeline is connected to the The inlet and the other end of the heat-conducting medium circulation pipeline are connected to the diesel engine cooling system, one end of the second temperature-raising operation pipeline is connected to the outlet of the heat-conducting medium circulation pipeline, and the other end is connected to the diesel engine cooling system; The first solenoid valve is arranged on the first heating operation pipeline, and the second solenoid valve is arranged on the second heating operation pipeline;

The purging system includes an air brake system, a radar purging nozzle and a third solenoid valve for controlling the air jet of the radar purging nozzle. The radar purging nozzle is externally connected to the compressed air path of the air brake system; Sweep the nozzle towards the radar setting;

The radar purge control system is connected in communication with the temperature sensor and the ultrasonic measuring device to control the first solenoid valve, the second solenoid valve and the third solenoid valve.

Further, the diesel engine cooling system includes a high-temperature water circulation pipeline; the first temperature-raising operation pipeline and the second temperature-raising operation pipeline are both connected to the high-temperature water circulation pipeline; downstream location.

Further, a fourth solenoid valve is arranged between the outlet of the heat transfer medium circulation pipeline and the second solenoid valve.

Further, the fourth solenoid valve is a three-way valve, the liquid inlet of the three-way valve is connected to the outlet of the heat transfer medium circulation pipeline, the first liquid outlet of the three-way valve is connected to the second solenoid valve, and the The second liquid outlet is provided with a shut-off valve. The first solenoid valve, the second solenoid valve and the third solenoid valve are two-way valves.

Further, the radar purging nozzle is arranged above the radar, and the radar purging nozzle is arranged so that the air flow path of the air jet is at an angle of 20-40 degrees to the radar surface.

Further, the heat-conducting medium circulation pipeline includes a left vertical pipe with one end sealed and one end being an inlet, a right vertical pipe with one end sealed and one end being an outlet, and several groups arranged in sequence along the longitudinal direction in communication with the left vertical pipe and the right vertical pipe. number of flow tubes.

Further, the radar blowing nozzle will divide the compressed air in the air brake system into 3 paths and blow it towards the radar probe for dust removal operation.

Further, the first heating operation pipeline and the second heating operation pipeline will be covered with thermal insulation jackets to prevent heat loss and freeze cracking of the pipelines.

Further, the fourth solenoid valve is used to empty the high-temperature water in the heat transfer medium circulation pipeline. When the radar does not need to be heated for a long time (more than 2 hours), opening the second liquid outlet of the fourth solenoid valve will The high-temperature water in the pipeline is emptied to prevent the first heating operation pipeline and the second heating operation pipeline from freezing and cracking.

According to the present invention, a method for automatic cleaning of a diesel locomotive radar is also provided, using the above automatic cleaning system for a diesel locomotive radar, and the method includes:

The radar purging control system controls the purging system and the melting system according to one or more of the data collected in real time from the temperature sensor on the radar installation panel and the ultrasonic measuring device, so as to realize the automatic cleaning of the diesel locomotive radar.

Further, after collecting the data of the temperature sensor and the ultrasonic measuring device on the radar installation panel in real time, the method includes the following situations:

When the temperature sensor detects that the temperature of the radar mounting panel is higher than -2℃:

If the ultrasonic measuring device detects that the thickness of the cover on the radar probe exceeds 2mm, the radar purging control system only instructs the purging system to carry out the purging operation;

If the ultrasonic measuring device detects that the thickness of the cover on the radar probe is less than 0.5mm, the radar purging control system instructs the purging system to stop the purging operation;

or,

When the temperature sensor detects that the temperature of the radar mounting panel is lower than -2°C:

If the ultrasonic measuring device detects that the thickness of the cover on the radar probe exceeds 3mm, the radar purging control system instructs the melting system to perform the heating operation first; when the ultrasonic measuring device detects that the thickness of the cover decreases below 1mm, the radar purging control system The system instructs the purging system to start the purging operation. At this time, the heating operation and the purging operation are carried out at the same time; if the ultrasonic measuring device detects that the thickness of the cover on the radar probe is less than 0.5mm, the radar purging control system stops the purging system. and melting systems;

or,

When the temperature sensor detects that the temperature of the radar installation panel is lower than -6°C, regardless of whether the ultrasonic measuring device detects that there is a covering on the radar probe, the radar purge control system instructs the melting system to heat up for 5 minutes every 30 minutes. Operation; when the temperature sensor detects that the temperature of the radar installation panel is higher than -2°C, the radar purge control system stops the melting system.

Further, the heating operation of the melting system includes: the radar purging control system controls the first solenoid valve, the second solenoid valve to open, and the second liquid outlet of the fourth solenoid valve to close; the high temperature water of the diesel engine cooling system is removed from the first solenoid valve. After entering the heat-conducting medium circulation pipe set inside the radar installation panel, after flowing through the heat-conducting medium circulation pipe, the high-temperature water returns to the diesel engine cooling system through the fourth solenoid valve and the second solenoid valve in turn to form a cycle;

The purging operation of the purging system includes: the radar purging control system controls the third solenoid valve to open, and the compressed air in the air brake system is ejected through the radar purging nozzle.

Further, since the locomotive air brake system is the brake system of the locomotive, the system that affects the safety of the locomotive must always ensure the pressure of the brake air cylinder, and the purging operation of the purging system of the present invention will reduce the pressure of the brake air cylinder. In addition, it will cause the air compressor of the braking system to start frequently, resulting in energy waste. In view of the above two problems, the present invention adopts the following scheme: after at least the following conditions are met, the radar purges the control system To activate the purge system:

The diesel power generation system of the locomotive is running, the locomotive steering handle is in the forward or reverse position, the circuit breaker of the locomotive control system is closed, the locomotive microcomputer system is working normally and the battery is in use, and the locomotive is not in emergency braking state. as well as

When a purging operation is required, the purging system is purged at certain intervals to reduce the air consumption. Every 30 seconds, the radar purging control system will open the third solenoid valve, thereby blowing the compressed air to the radar probe, and the continuous purging time is about for 2 seconds.

Further, the covering is dust, ice or snow.

Further, the data is the temperature of the radar mounting panel or the thickness of the cover on the radar probe.

Further, when the purging system continues to carry out the purging operation for 5 minutes, and the thickness of the covering still does not decrease, the radar purging control system considers that the purging system is faulty and alarms;

When the temperature rise operation is carried out, the temperature rises less than 5K within 5 minutes, the radar purging control system thinks that the melting system is faulty and alarms.

Beneficial effects of the present invention:

According to the system and method provided by the present invention, the automatic cleaning of the radar system of the locomotive can be realized, whether it is dust pollution or ice and snow pollution. The present invention utilizes the high-temperature water in the diesel engine cooling system of the diesel locomotive itself to perform the ice-melting operation. The high-temperature water in the cooling system itself needs to be cooled, and the temperature is usually discharged to the atmosphere, and the present invention utilizes this part of unnecessary energy to melt ice. Ice operation, no need to set a separate power supply for electric heating and melting ice, energy saving and environmental protection. In addition, the purging operation of the present invention utilizes the air source of the air brake system of the locomotive itself, and the air pressure can reach more than 600kPA, which ensures the effect of purging, does not require a separate air compressor, and saves system resources.

During the deicing operation, the ice melting operation and the purging operation are coordinated to evaporate the melted ice water in time to prevent secondary freezing.

A temperature sensor is set to detect the radar temperature; an ultrasonic measuring device is set to measure the thickness of the ice layer and the thickness of the dust, and the control strategy is optimized according to the measurement results to perform ice melting and purging operations to reduce unnecessary purging and ice melting operations. Energy saving.

Description of drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings required for the embodiments. Obviously, the accompanying drawings in the following description are only some implementation cases of the present invention, which are very important in the art. For those of ordinary skill, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic diagram of a diesel locomotive radar automatic cleaning system according to an embodiment of the present invention;

2 is a schematic diagram of a radar installation panel and a radar purge nozzle according to an embodiment of the present invention;

3 is a schematic diagram of another side view of a radar installation panel and a radar purge nozzle according to an embodiment of the present invention;

4 is a schematic diagram of a heat transfer medium circulation pipeline according to an embodiment of the present invention;

FIG. 5 is an exemplary schematic diagram of the logic of judgment in the automatic cleaning method of the diesel locomotive radar according to the embodiment of the present invention.

List of reference signs

Diesel Engine Cooling System 10, Air Brake System 20, Solenoid Valve A 31, Solenoid Valve C 32, Solenoid Valve B 33, Temperature Sensor 34, Ultrasonic Measuring Device 35, Radar Purge Control System 36, Solenoid Valve D 37, Radar Probe 40 , radar installation panel 41, radar purging nozzle 42, heat transfer medium circulation pipeline 43, inlet 431, outlet 432

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the embodiments of the present invention will be further described in detail below with reference to the specific embodiments and the accompanying drawings.

As shown in FIG. 1 , the main components of the diesel engine cooling system 10 are simply shown. The diesel engine cooling system 10 on the diesel locomotive is to make the high-temperature water heated by the diesel engine dissipate the heat into the atmosphere through the high-temperature radiator and the cooling fan to make the high temperature The water temperature is cooled down, and the temperature of the high-temperature water has been kept at about 50°C to 90°C during the operation of the locomotive. The diesel engine cooling system 10 used in the present invention is a common diesel engine cooling system in the prior art, therefore, the structure and the connection relationship of the components are not described in detail.

Since the temperature of the high-temperature water has been maintained at about 50°C to 90°C, this temperature is suitable for heating the radar panel, which can melt the ice and snow without causing the radar to overheat.

As shown in FIG. 1 , the main components of the air brake system 20 are simply shown. The air brake system 20 of a diesel locomotive mainly controls the wheels of the locomotive by compressing air and mechanically using a braking device to realize locomotive braking. The air brake system 20 generally includes an air compressor, a master air cylinder, a compressed air circuit, and the like. The air brake system 20 used in the present invention is a common air brake system in the prior art, therefore, the structure and the connection relationship of the components are not described in detail.

As shown in Figure 1, the diesel locomotive radar automatic cleaning system includes:

The radar installation panel 41, the radar installation panel 41 is provided with the radar, the temperature sensor 34 and the ultrasonic measuring device 35; the radar installation panel 41 is provided with a heat conduction medium circulation pipeline 43; the heat conduction medium circulation pipeline 43 includes an inlet 431 and an outlet 432;

The temperature sensor 34 is installed on the radar installation panel 41, as shown in FIG. 2, for detecting the temperature of the radar installation panel 41, judging whether the radar is in a low temperature environment, and also for judging whether the melting system works normally.

The ultrasonic measuring device 35 is installed on the radar installation panel 41 , as shown in FIG. 2 , for detecting the thickness of the dust or ice layer on the radar, and for judging whether the radar purging or ice melting operation is required.

Melting system, the melting system includes the diesel engine cooling system 10, the first heating operation pipeline, the second heating operation pipeline, the solenoid valve A 31 (ie the first solenoid valve) and the solenoid valve B 33 (ie the second solenoid valve); wherein , the diesel engine cooling system 10 includes a high temperature water circulation pipeline; wherein, the high temperature water circulation pipeline is communicated with the heat conduction medium circulation pipeline 43 of the radar installation panel 41; And the other end is connected to the high temperature water circulation pipeline, one end of the second heating operation pipeline is connected to the outlet 432 of the heat transfer medium circulation pipeline 43 and the other end is connected to the high temperature water circulation pipeline. The second temperature-raising operation pipeline is arranged at a downstream position of the first temperature-raising operation pipeline. Solenoid valve A 31 is arranged on the first heating operation pipeline, solenoid valve B 33 is arranged on the second heating operation pipeline; solenoid valve C 32 (ie, the fourth solenoid valve) is arranged on the second heating operation pipeline, and is located in the heat transfer medium Between the inlet 431 of the circulation line 43 and the solenoid valve B 33 .

The radar installation panel 41 is used to install the radar 40. As shown in FIG. 3, there is a heat conduction medium circulation pipeline inside, and the high temperature water of the diesel engine cooling system 10 is used to heat it and conduct the temperature to the radar probe 40 and the surroundings of the radar probe 40. Ice melting operation.

The purging system, the melting system includes the air brake system 20, the radar purging nozzle 42 externally connected to the compressed air gas path of the air brake system 20, and the solenoid valve D 37 (ie, the third valve D 37) for controlling the jet of the radar purging nozzle 42. The electromagnetic valve).

The radar purging nozzle 42 is arranged above the radar, and the radar purging nozzle 42 is arranged so that the air flow path of the air jet is at an angle of 20-40 degrees with the radar surface. Such an angle can better ensure the purging efficiency, so that the gas is When the above angle is blown to the radar probe 40, the cover can be better removed. As shown in FIGS. 2-3 , the radar blowing nozzle 42 divides the compressed air from the air brake system 20 into three paths and blows it toward the radar probe 40 to perform dust removal operation. Dividing the gas path into three paths can ensure that the upper covering of the radar probe 40 is fully purged.

A radar purge control system 36 is in communication with the temperature sensor 34 and the ultrasonic measurement device 35 to control solenoid valve A 31 , solenoid valve B 33 and solenoid valve D 37 .

The solenoid valve C 32 is a three-way valve, the liquid inlet of the three-way valve is connected to the outlet 432 of the heat transfer medium circulation pipeline 43, the first liquid outlet of the three-way valve is connected to the solenoid valve B 33, and the second liquid port of the three-way valve is connected to the solenoid valve B 33. The liquid outlet is provided with a shut-off valve. The solenoid valve A 31, the solenoid valve B 33, and the solenoid valve D 37 are two-way valves.

As shown in FIG. 4 , the heat transfer medium circulation pipeline 43 includes a left standpipe with one end closed and one end being the inlet 431 , a right standpipe having one end sealed and one end being the outlet 432 , and a left standpipe communicating with the left standpipe and the right standpipe. Several groups of flow tubes are arranged in sequence along the longitudinal direction. The left vertical pipe and the right vertical pipe are provided with several openings to communicate with several groups of circulation pipes.

The first heating operation pipeline and the second heating operation pipeline will be covered with thermal insulation jackets to prevent heat loss and freeze cracking of the pipelines.

The solenoid valve C 32 is used to empty the high temperature water in the heat transfer medium circulation pipeline 43. When the radar does not need to be heated for a long time (more than 2 hours) (the solenoid valve A and the solenoid valve B are closed at this time), the solenoid valve C is closed. The closing valve at the second liquid outlet of the valve C 32 is opened to empty the high-temperature water in the pipeline to prevent the first and second temperature-raising operation pipelines from freezing and cracking.

As shown in Figure 5, the method for automatic cleaning of diesel locomotive radar adopts the above automatic cleaning system for diesel locomotive radar, and the method includes:

The radar purging control system 36 controls the purging system and the melting system according to one or more of the data collected in real time from the temperature sensor 34 and the ultrasonic measuring device 35 on the radar installation panel 41 to realize automatic cleaning of the diesel locomotive radar .

After collecting the data of the temperature sensor 34 and the ultrasonic measuring device 35 on the radar installation panel 41 in real time, the method includes the following situations:

When the temperature sensor 34 detects that the temperature of the radar installation panel 41 is higher than -2°C:

If the ultrasonic measuring device 35 detects that the thickness of the dust on the radar probe 40 exceeds 2 mm, the radar purging control system 36 only instructs the purging system to perform a purging operation;

If the ultrasonic measuring device 35 detects that the thickness of the dust on the radar probe 40 is less than 0.5 mm, the radar purging control system 36 instructs the purging system to stop the purging operation;

or,

When the temperature sensor 34 detects that the temperature of the radar mounting panel 41 is lower than -2°C:

If the ultrasonic measuring device 35 detects that the thickness of the ice layer on the radar probe 40 exceeds 3 mm, the radar purging control system 36 instructs the melting system to perform a heating operation first; when the ultrasonic measuring device 35 detects that the thickness of the ice layer decreases below 1 mm, The radar purging control system 36 instructs the purging system to start the purging operation. At this time, the heating operation and the purging operation are performed simultaneously; if the ultrasonic measuring device 35 detects that the thickness of the ice layer on the radar probe 40 is less than 0.5 mm, the radar blows The purge control system 36 stops the purge system and the melt system;

or,

When the temperature sensor 34 detects that the temperature of the radar installation panel 41 is lower than -6°C, in order to prevent the low temperature environment and the pipeline from freezing and cracking, no matter whether the ultrasonic measuring device 35 detects that there is a cover on the radar probe 40 at this time, the radar purges The control system 36 instructs the melting system to perform a 5-minute heating operation every 30 minutes; when the temperature sensor 34 detects that the temperature of the radar installation panel 41 is higher than -2°C, the radar purge control system 36 stops the melting system.

When the purging system continues to carry out the purging operation for 5 minutes, and the thickness of the covering still does not decrease, the radar purging control system 36 considers that the purging system is faulty, and issues an alarm;

When the purging system continues to carry out purging operation for 5 minutes and the thickness of the covering still does not decrease, the radar purging control system 36 considers that the purging system is faulty and issues an alarm.

The heating operation of the melting system includes: the radar purge control system 36 controls the solenoid valve A 31 and the solenoid valve B 33 to open, the second liquid outlet of the solenoid valve C 32 is closed, and the first liquid outlet and the liquid inlet are always in an open state The high-temperature water of the diesel engine cooling system 10 enters the heat-conducting medium circulation line 43 provided inside the radar installation panel 41 from the solenoid valve A 31, and after flowing through the heat-conducting medium circulation line 43, the high-temperature water passes through the solenoid valve C 32 and the solenoid valve B in turn. 33 Return to the diesel engine cooling system 10 to form a cycle.

Stopping the temperature rise operation is achieved by closing the solenoid valve A 31 and the solenoid valve B 33 at the same time.

The purging operation of the purging system includes: the radar purging control system 36 controls the solenoid valve D 37 to open, and the compressed air in the air brake system 20 is ejected through the radar purging nozzle 42 .

The purging operation is stopped by closing the solenoid valve D 37.

Since the locomotive air brake system 20 is the brake system of the locomotive, the system that affects the safety of the locomotive must always ensure the pressure of the brake air cylinder, and the purging operation of the purging system of the present invention will reduce the pressure of the brake air cylinder , affecting the safety of driving, in addition, it will cause the air compressor of the braking system to start frequently, resulting in waste of energy. In view of the above two problems, the present invention adopts the following scheme: after at least the following conditions are met, the radar purging control system 36 The purge system is activated:

The diesel power generation system of the locomotive is running, the locomotive steering handle is in the forward or reverse position, the circuit breaker of the locomotive control system is closed, the locomotive microcomputer system is working normally and the battery is in use, and the locomotive is not in emergency braking state. as well as

When a purging operation is required, the purging system is purged at certain intervals to reduce the air consumption. The radar purging control system 36 will open the solenoid valve D 37 every 30 seconds, thereby blowing the compressed air to the radar probe 40 for continuous purging The time is about 2 seconds.

The data is the temperature of the radar mounting panel 41 or the thickness of the covering on the radar probe 40 .

The above are exemplary embodiments of the present disclosure, but it should be noted that various changes and modifications may be made without departing from the scope of the disclosure of the embodiments of the present invention as defined in the claims. Furthermore, although elements disclosed in the embodiments of the present invention may be described or claimed in the singular, unless explicitly limited to the singular, the plural may also be construed.

It should be understood that, as used herein, the singular form "a" is intended to include the plural form as well, unless the context clearly supports an exception. It will also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.

The above-mentioned embodiments of the present invention disclose the serial numbers of the embodiments only for description, and do not represent the advantages and disadvantages of the embodiments.

Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is only exemplary, and is not intended to imply that the scope (including the claims) disclosed by the embodiments of the present invention is limited to these examples; under the idea of the embodiments of the present invention , the technical features of the above embodiments or different embodiments can also be combined, and there are many other variations of the different aspects of the embodiments of the present invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present invention should be included within the protection scope of the embodiments of the present invention.

Claims (9)

1. An internal combustion locomotive radar self-cleaning system which is characterized by comprising:

the radar mounting panel is provided with a radar, a temperature sensor and an ultrasonic measuring device; a heat-conducting medium circulation pipeline is arranged inside the radar mounting panel; the heat-conducting medium circulation pipeline comprises an inlet and an outlet;

the melting system comprises a diesel engine cooling system, a first temperature-rising operation pipeline, a second temperature-rising operation pipeline, a first electromagnetic valve and a second electromagnetic valve;

one end of the first temperature-raising operation pipeline is communicated to an inlet of the heat-conducting medium circulation pipeline, and the other end of the first temperature-raising operation pipeline is connected to the diesel engine cooling system;

one end of the second temperature-raising operation pipeline is communicated to the outlet of the heat-conducting medium circulation pipeline, and the other end of the second temperature-raising operation pipeline is connected to the diesel engine cooling system;

the first electromagnetic valve is arranged on the first temperature rise operation pipeline, and the second electromagnetic valve is arranged on the second temperature rise operation pipeline;

the purging system comprises an air brake system, a radar purging nozzle and a third electromagnetic valve for controlling the air injection of the radar purging nozzle, and the radar purging nozzle is externally connected to a compressed air circuit of the air brake system; the radar purge nozzle is disposed toward the radar;

a radar purge control system in communication with the temperature sensor and the ultrasonic measurement device to control the first, second, and third solenoid valves; wherein, according to the temperature that temperature sensor detected radar installation panel and the thickness that ultrasonic measurement device detected covering on the radar probe, the radar sweeps control system instruction and sweeps the system and carry out or stop to sweep the operation and melt the system and carry out or stop the intensification operation.

2. The diesel locomotive radar automatic cleaning system of claim 1, wherein the diesel engine cooling system comprises a high temperature water circulation line; the first temperature-rise operation pipeline and the second temperature-rise operation pipeline are communicated to the high-temperature water circulation pipeline, and the second temperature-rise operation pipeline is arranged at the downstream position of the first temperature-rise operation pipeline along the high-temperature water circulation direction.

3. The automatic radar cleaning system for the diesel locomotive according to claim 1, wherein a fourth solenoid valve is disposed between the outlet of the heat transfer medium circulation line and the second solenoid valve.

4. The automatic cleaning system for the radar of the diesel locomotive according to claim 3, wherein the fourth solenoid valve is a three-way valve, an inlet of the three-way valve is connected to an outlet of the heat transfer medium circulation line, a first outlet of the three-way valve is connected to the second solenoid valve, and a second outlet of the three-way valve is provided with a shut-off valve.

5. The automatic radar cleaning system for the diesel locomotive according to claim 1, wherein the radar blowing nozzle is arranged above the radar, and the radar blowing nozzle is arranged so that an air flow path of the air blowing nozzle is at an angle of 20-40 degrees with respect to the radar surface.

6. The automatic radar cleaning system for the diesel locomotive according to claim 1, wherein the heat transfer medium circulation pipeline comprises a left vertical pipe with one end sealed and the other end being the inlet, a right vertical pipe with one end sealed and the other end being the outlet, and a plurality of groups of circulation pipes which are sequentially arranged along the longitudinal direction and communicated with the left vertical pipe and the right vertical pipe.

7. A method for automatically cleaning a radar of an internal combustion locomotive, which is characterized by adopting the automatic cleaning system of the radar of the internal combustion locomotive according to any one of claims 1 to 6, and the method comprises the following steps:

the radar purging control system controls the purging system and the melting system according to one or more data of the temperature sensor and the ultrasonic measuring device on the radar mounting panel collected in real time so as to realize the automatic cleaning of the diesel locomotive radar;

after data of a temperature sensor and an ultrasonic measuring device on a radar mounting panel are collected in real time, the method comprises the following conditions:

in the case where the temperature sensor detects that the temperature of the radar-mounting panel is higher than-2 ℃:

if the ultrasonic measuring device detects that the thickness of a covering on the radar probe exceeds 2mm, the radar purging control system only indicates the purging system to perform purging operation;

if the ultrasonic measuring device detects that the thickness of a covering on the radar probe is smaller than 0.5mm, the radar purging control system instructs the purging system to stop purging operation;

or,

in the case where the temperature sensor detects that the temperature of the radar-mounting panel is lower than-2 ℃:

if the ultrasonic measuring device detects that the thickness of a covering on the radar probe exceeds 3mm, the radar blowing control system indicates the melting system to perform heating operation firstly; when the ultrasonic measuring device detects that the thickness of the covering is reduced to below 1mm, the radar purging control system instructs the purging system to start purging, and the temperature rise operation and the purging operation are performed simultaneously;

if the ultrasonic measuring device detects that the thickness of the covering on the radar probe is smaller than 0.5mm, the radar purging control system stops purging the system and melting the system;

or,

when the temperature sensor detects that the temperature of the radar mounting panel is lower than-6 ℃, no matter whether the ultrasonic measuring device detects that a covering exists on the radar probe or not, the radar blowing control system instructs the melting system to carry out heating operation for 5 minutes at intervals of 30 minutes; and when the temperature sensor detects that the temperature of the radar mounting panel is higher than-2 ℃, the radar purging control system stops melting the system.

8. The method for automatically cleaning the radar of the diesel locomotive according to claim 7, wherein the heating operation of the melting system comprises: the radar purging control system controls the first electromagnetic valve and the second electromagnetic valve to be opened and the second liquid outlet of the fourth electromagnetic valve to be closed; high-temperature water of the diesel engine cooling system enters a heat-conducting medium circulation pipeline arranged in the radar mounting panel from the first electromagnetic valve, and after flowing through the heat-conducting medium circulation pipeline, the high-temperature water sequentially passes through the fourth electromagnetic valve and the second electromagnetic valve and returns to the diesel engine cooling system to form circulation;

the purging operation of the purging system includes: the radar purging control system controls the third electromagnetic valve to be opened, and compressed air in the air braking system is sprayed out through the radar purging nozzle.

9. The method for automatically cleaning a diesel locomotive radar as in claim 7, wherein the radar purge control system activates the purge system after at least the following conditions are met:

the locomotive diesel power generation system is in a running state, the locomotive direction handle is in a forward or backward position, the locomotive control system circuit breaker is in a closed state, the locomotive microcomputer system works normally, the storage battery is put into use, and the locomotive is not in an emergency braking state.

Images