阅读说明：本技术 一种基于网络控制系统的动车组车上试验的控制方法 (On-board test control method for motor train unit based on network control system ) 是由 熊艳 许清 刘顺进 呼德厅 陈宝柱 于 2020-05-22 设计创作，主要内容包括：本发明提供一种基于网络控制系统的动车组车上试验的控制方法,依托于网络控制系统能够对以下项目进行试验,包括牵引变流器试验、制动相关试验、车门开关试验、空压机工作试验、辅助电源相关试验；并且按照特定步骤,对各个大项目试验中的小项目试验也能够进行试验；同时由于网络控制系统能够在试验过程中,自动依次试验,并且判定试验结果是否合格,进而与试验人员进行交互；通过上述控制方法,网络控制系统将相互独立和供应商不同的设备在试验过程中有机连接起来,动车组车上试验的各个大项目试验和小项目试验能够快速准确的完成,自动给出测试结果,具有高度的自动换,相比于传统的监测方法,大大增加了检修维护效率,降低试验成本。(The invention provides a control method of an on-board test of a motor train unit based on a network control system, which can test the following items including a traction converter test, a brake related test, a vehicle door switch test, an air compressor working test and an auxiliary power supply related test by depending on the network control system; and according to the specific steps, the small item test in each large item test can be tested; meanwhile, the network control system can automatically and sequentially test in the test process, and judge whether the test result is qualified, so as to interact with the tester; through the control method, the network control system organically connects mutually independent devices with different suppliers in the test process, each large item test and each small item test of the motor train unit on-board test can be completed quickly and accurately, the test result is given automatically, the automatic replacement is high, and compared with the traditional monitoring method, the method greatly increases the overhaul and maintenance efficiency and reduces the test cost.)

1. A control method of an on-board test of a motor train unit based on a network control system is characterized by comprising the following steps:

s1, test conditions: activating a driver platform and entering an overhaul mode; the driver platform activation end sets the on-vehicle test knob to be in a test position; the train lifts the pantograph and closes the vacuum circuit breaker, and the high-voltage condition is met; the train is static, namely the speed is less than 0.5 km/h;

s2, after the conditions are met, the network control system judges that the vehicle-mounted test mode is about to enter, and selects a large project test type, wherein the large project test type comprises the following steps: a brake related test; performing a vehicle door opening and closing test; performing an air compressor working test; performing auxiliary power supply related tests;

s3, entering a large project test, wherein the equipment needing to be tested in the large project test is referred to as target test equipment for short, and carrying out specific test on the target test equipment, namely carrying out a small project test;

s4, the network control system collects the test results of each vehicle small project test, and after the results are completely collected, whether the small project test passes or not is judged, and corresponding operation is carried out;

and S5, after all the small item tests are finished, selecting a new large item test, and repeating S3-S5 or selecting all the tests to be finished.

2. The method for controlling the on-board test of the motor train unit based on the network control system as claimed in claim 1, wherein S3 includes the following contents:

a. after entering a large-item test, the network control system sends a test preparation instruction to the whole vehicle target test equipment, and the whole vehicle target test equipment returns to the test preparation completion state;

b. after receiving the test preparation completion states of all target test equipment units, the network control system sends test small item serial numbers to the whole vehicle target test equipment units, such as: 1;

c. the target test equipment unit performs a small item test according to the received small item serial number and in combination with a driver platform controller command sent by a network, and simulates related parameters and related states under the train operation condition;

d. and each vehicle target test equipment unit feeds back the test result of the vehicle test small item to the network control system, wherein the test result comprises a specific numerical value of an executed item and judgment information of whether the test passes or not.

3. The method for controlling the on-board test of the motor train unit based on the network control system as claimed in claim 2, wherein S4 includes the following contents:

(1) if all the small item tests of the vehicle equipment pass, the network judges that the test passes, automatically enters the next small item, for example, the number of the small item of each traction control unit of the whole vehicle is sent to be 2, and the steps b-d are repeated;

(2) if the small item test of each vehicle equipment exists, the number is 1, the test of each vehicle equipment does not pass, the network judges that the test does not pass, and prompts maintenance personnel to skip the test or perform the test again;

(3) step 2, if the maintainer chooses to skip the test, the network sends the next test number, such as '2', to each vehicle device, and the steps b-d are repeated;

(4) and (3) if the maintainer selects to repeat the test, the network sends the test number '1' to each vehicle device again, and the steps b-d are repeated.

4. The method as claimed in claim 3, wherein the related parameters and related states mentioned in step d of S3 include but are not limited to voltage, current and contact or connection state of related components.

5. The control method of the motor train unit on-board test based on the network control system as claimed in claim 4, wherein the large-item test further comprises a traction converter test, and the traction converter test process is as follows:

a. after entering a large project test, the network control system sends a test preparation instruction to the equipment of the whole vehicle, namely a traction control unit, and the equipment of the whole vehicle returns to the test preparation completion state;

b. after receiving the test preparation completion states of all the traction control units, the network control system sends test small item serial numbers to the whole-vehicle traction control unit, such as: 1; meanwhile, in order to test the project function of the traction converter in a matching way, if the requirement exists, a network simulates a driver station controller, traction braking level is sent to each vehicle traction control unit and each braking control unit, and if the operation of maintenance personnel is needed, the network system prompts the personnel to operate through a display according to the current test item point;

c. the traction control unit performs a traction work test according to the received small item serial number and in combination with a driver controller instruction sent by a network, and simulates the traction working voltage, the current value and the state of a contactor under the running condition of the train;

d. and each vehicle traction control unit feeds back the result of the vehicle traction converter to the network control system, and the result comprises specific values of the executed items and judgment information of whether the test passes or not.

6. The method as claimed in claim 3, wherein the brake related test includes but is not limited to the following: AS and BC pressure of a grade 1 service brake test; AS and BC pressure of 4-level service brake test; AS and BC pressure of 7-grade service brake test; EB Emergency brake test AS, BC pressure.

7. The control method of the on-board test of the motor train unit based on the network control system as claimed in claim 3, wherein the door opening and closing test includes but is not limited to the following: door opening time of the vehicle door; door closing time.

8. The control method of the on-board test of the motor train unit based on the network control system as claimed in claim 3, wherein the air compressor operation test includes but is not limited to the following: and (5) the air compressor blows for a long time.

9. The method as claimed in claim 3, wherein the auxiliary power supply related test includes but is not limited to the following: an auxiliary output voltage; the auxiliary output voltage frequency.

Technical Field

The invention relates to the field of high-speed motor train unit control, in particular to a control method of an on-board test of a motor train unit based on a network control system.

Background

Maintenance in a train depot is very important work for guaranteeing normal operation of the motor train unit. The confirmation of whether the key functions related to traction, braking, vehicle doors and the like are normal is particularly important. In traditional garage maintenance, overhaul and maintenance personnel respectively test single item points of equipment on a vehicle, and because the equipment (such as traction and braking) are independent and suppliers are different, the test mode and method are not uniform, and the equipment is not matched uniformly. Maintenance costs and time consumption are increased.

The invention discloses an on-vehicle test method of a traction converter contactor, which comprises a test preparation part and a test part, wherein during the test, the contactor to be tested is numbered, a driver sends an on-vehicle test command to a network control system, the network control system sequentially and automatically sends the item number to be tested to the traction converter, the traction converter measures the closing time and the opening time of the contactor in an automatic operation mode and compares the closing time and the opening time with an action time range given by a contactor product manual, so that whether the contactor has potential safety hazards or not is judged, and the action time and an action result are transmitted to a driver screen through the network control system. According to the invention, manual contact type test is not needed, an additional hardware tool is not needed, a maintenance door of the traction converter box body is not needed to be opened, the test result can be automatically given, the suspected fault device is judged, and the detection result is more comprehensive compared with the detection result of the traditional manual method, so that the overhaul and maintenance efficiency is greatly improved, and the cost is reduced.

However, the above method can only be used for testing the traction converter, and has limitations.

Disclosure of Invention

In view of the above, the invention aims to provide a control method for an on-board test of a motor train unit based on a network control system, so as to solve the problems that in the traditional on-board test of the motor train unit, equipment is independent from each other and suppliers are different, so that the test mode and method are not uniform, and the maintenance cost and time consumption are increased due to the inconsistent coordination of the equipment.

Based on the above purpose, the invention provides a control method of an on-board test of a motor train unit based on a network control system, which comprises the following steps:

s1, test conditions: activating a driver platform and entering an overhaul mode; the driver platform activation end sets the on-vehicle test knob to be in a test position; the train lifts the pantograph and closes the vacuum circuit breaker, and the high-voltage condition is met; the train is static, namely the speed is less than 0.5 km/h;

s2, after the conditions are met, the network control system judges that the vehicle-mounted test mode is about to enter, and selects a large project test type, wherein the large project test type comprises the following steps: a brake related test; performing a vehicle door opening and closing test; performing an air compressor working test; performing auxiliary power supply related tests;

s3, entering a large project test, wherein the equipment needing to be tested in the large project test is referred to as target test equipment for short, and carrying out specific test on the target test equipment, namely carrying out a small project test;

s4, the network control system collects the test results of each vehicle small project test, and after the results are completely collected, whether the small project test passes or not is judged, and corresponding operation is carried out;

and S5, after all the small item tests are finished, selecting a new large item test, and repeating S3-S5 or selecting all the tests to be finished.

Preferably, S3 includes the following:

a. after entering a large-item test, the network control system sends a test preparation instruction to the whole vehicle target test equipment, and the whole vehicle target test equipment returns to the test preparation completion state;

b. after receiving the test preparation completion states of all target test equipment units, the network control system sends test small item serial numbers to the whole vehicle target test equipment units, such as: 1;

c. the target test equipment unit performs a small item test according to the received small item serial number and in combination with a driver platform controller command sent by a network, and simulates related parameters and related states under the train operation condition;

d. and each vehicle target test equipment unit feeds back the test result of the vehicle test small item to the network control system, wherein the test result comprises a specific numerical value of an executed item and judgment information of whether the test passes or not.

Preferably, S4 includes the following:

(1) if all the small item tests of the vehicle equipment pass, the network judges that the test passes, automatically enters the next small item, for example, the number of the small item of each traction control unit of the whole vehicle is sent to be 2, and the steps b-d are repeated;

(2) if the small item test of each vehicle equipment exists, the number is 1, the test of each vehicle equipment does not pass, the network judges that the test does not pass, and prompts maintenance personnel to skip the test or perform the test again;

(3) step 2, if the maintainer chooses to skip the test, the network sends the next test number, such as '2', to each vehicle device, and the steps b-d are repeated;

(4) and (3) if the maintainer selects to repeat the test, the network sends the test number '1' to each vehicle device again, and the steps b-d are repeated.

Preferably, the relevant parameters and relevant states mentioned in step d of S3 include, but are not limited to, voltage, current and contact or connection state of relevant components.

Preferably, the large-item test further comprises a traction converter test, and the traction converter test process is as follows:

a. after entering a large project test, the network control system sends a test preparation instruction to the equipment of the whole vehicle, namely a traction control unit, and the equipment of the whole vehicle returns to the test preparation completion state;

b. after receiving the test preparation completion states of all the traction control units, the network control system sends test small item serial numbers to the whole-vehicle traction control unit, such as: 1; meanwhile, in order to test the project function of the traction converter in a matching way, if the requirement exists, a network simulates a driver station controller, traction braking level is sent to each vehicle traction control unit and each braking control unit, and if the operation of maintenance personnel is needed, the network system prompts the personnel to operate through a display according to the current test item point;

c. the traction control unit performs a traction work test according to the received small item serial number and in combination with a driver controller instruction sent by a network, and simulates the traction working voltage, the current value and the state of a contactor under the running condition of the train;

d. and each vehicle traction control unit feeds back the result of the vehicle traction converter to the network control system, and the result comprises specific values of the executed items and judgment information of whether the test passes or not.

Preferably, the braking related tests include, but are not limited to, the following: AS and BC pressure of a grade 1 service brake test; AS and BC pressure of 4-level service brake test; AS and BC pressure of 7-grade service brake test; EB Emergency brake test AS, BC pressure.

Preferably, the door opening and closing test includes, but is not limited to, the following: door opening time of the vehicle door; door closing time.

Preferably, the air compressor operation test includes, but is not limited to, the following: and (5) the air compressor blows for a long time.

Preferably, the auxiliary power supply related tests include, but are not limited to, the following: an auxiliary output voltage; the auxiliary output voltage frequency.

From the above, the control method for the on-board test of the motor train unit based on the network control system provided by the invention has the following beneficial effects: a, the test project range is wide, and a traction converter test, a brake related test, a vehicle door switch test, an air compressor working test and an auxiliary power supply related test (including a small project test in a large project test) can be performed; b, the network control system organically connects mutually independent equipment and different suppliers in the test process, so that the test method is unified, the test data is more accurate, and the reference value is high; in the test process, each large project test and each small project test can be completed quickly and accurately, test results are given automatically, high automatic replacement is achieved, and compared with a traditional monitoring method, the method greatly improves the overhauling and maintaining efficiency and reduces the test cost.

Drawings

FIG. 1 is a schematic view of the flow structure of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.

It is to be noted that technical terms or scientific terms used in the embodiments of the present invention should have the ordinary meanings as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

A control method of an on-board test of a motor train unit based on a network control system refers to FIG. 1, and comprises the following steps:

s1, test conditions: activating a driver platform and entering an overhaul mode; the driver platform activation end sets the on-vehicle test knob to be in a test position; the train lifts the pantograph and closes the vacuum circuit breaker, and the high-voltage condition is met; the train is stationary (speed <0.5 km/h);

s2, after the conditions are met, the network control system judges that the vehicle-mounted test mode is about to enter, and selects a large test item category, wherein the large item category comprises: testing a traction converter; a brake related test; performing a vehicle door opening and closing test; performing an air compressor working test; performing auxiliary power supply related tests;

s3, entering a large project test, wherein the equipment needing to be tested in the large project test is referred to as target test equipment for short, and the test process of the target test equipment is as follows:

a. after entering a large project test, the network control system sends a test preparation instruction to the whole vehicle target test equipment, and the whole vehicle target test equipment returns to the test preparation completion state.

b. After receiving the test preparation completion states of all target test equipment units, the network control system sends test small item serial numbers to the whole vehicle target test equipment units, such as: 1; meanwhile, in order to cooperate with a small project test of a test target test device, if a requirement exists (according to the content of the small project points), a network simulation driver station controller sends traction brake levels (the levels simulate the operation of a driver and change according to a certain time sequence) to each vehicle traction control unit and each brake control unit, and if the operation of maintenance personnel is needed, the network system prompts the personnel to operate through a display according to the current test project points;

c. the target test equipment unit performs a small item test according to the received small item serial number and in combination with a driver platform controller command sent by a network, and simulates related parameters and related states under the train operation condition;

d. each vehicle target test equipment unit feeds back the test result of the vehicle test small item to the network control system, wherein the test result comprises specific numerical values of the executed item and judgment information of whether the test passes or not;

s4, the network control system collects the test results of each vehicle small project test, and after the results are completely collected, the following judgment is made:

(1) if all the small item tests of the vehicle equipment pass, the network judges that the test passes, automatically enters the next small item, for example, the number of the small item of each traction control unit of the whole vehicle is sent to be 2, and the steps b-d are repeated; .

(2) If the small item test of each vehicle equipment exists, the number is 1, the test of each vehicle equipment does not pass, the network judges that the test does not pass, and prompts maintenance personnel to skip the test or perform the test again;

(3) step 2, if the maintainer chooses to skip the test, the network sends the next test number, such as '2', to each vehicle device, and the steps b-d are repeated;

(4) if the maintainer selects to repeat the test, the network sends the test number '1' to each vehicle device again, and the steps b-d are repeated;

s5, after all the small item tests are finished, selecting a new large item test (repeating S3-S5) or selecting all the tests to be finished.

Taking the traction converter test as an example, the specific test procedure of S3 is as follows:

a. after entering a large project test, the network control system sends a test preparation instruction to the equipment (traction control unit) of the whole vehicle, and the equipment of the whole vehicle returns to the test preparation completion state.

b. After receiving the test preparation completion states of all the traction control units, the network control system sends test small item serial numbers to the whole-vehicle traction control unit, such as: 1; meanwhile, in order to test the project function of the traction converter in a matching way, if the requirement exists (according to the content of the small project points), the network simulation driver station controller sends traction braking levels (the levels simulate the operation of a driver and change according to a certain time sequence) to the traction control units and the braking control units of each vehicle. If the operation of maintenance personnel is needed, the network system prompts the operation of the personnel through a display according to the current test item point;

c. and the traction control unit performs a traction work test according to the received small project serial number and in combination with a driver controller instruction sent by the network. Simulating the traction working voltage, the current value and the state of a contactor under the train operation condition;

d. each vehicle traction control unit feeds back the result of the vehicle traction converter to the network control system, and the result includes specific values of the executed items (such as voltage and current in the test, relay action time and the like) and judgment information of whether the test passes or not.

In addition, in the large project test, the following relevant contents are also included:

1. braking related tests include, but are not limited to, the following: AS and BC pressure of a grade 1 service brake test; AS and BC pressure of 4-level service brake test; AS and BC pressure of 7-grade service brake test; EB Emergency brake test AS, BC pressure.

2. Door opening and closing tests include, but are not limited to, the following: a) door opening time of the vehicle door; door closing time.

3. The air compressor operation test includes but is not limited to the following: and (5) the air compressor blows for a long time.

4. Auxiliary power related tests include, but are not limited to, the following: an auxiliary output voltage; the auxiliary output voltage frequency.

In summary, the method has the following beneficial effects: a, the test project range is wide, and a traction converter test, a brake related test, a vehicle door switch test, an air compressor working test and an auxiliary power supply related test (including a small project test in a large project test) can be performed; b, the network control system organically connects mutually independent equipment and different suppliers in the test process, so that the test method is unified, the test data is more accurate, and the reference value is high; in the test process, each large project test and each small project test can be completed quickly and accurately, test results are given automatically, high automatic replacement is achieved, and compared with a traditional monitoring method, the method greatly improves the overhauling and maintaining efficiency and reduces the test cost.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

In addition, well known power/ground connections to Integrated Circuit (IC) chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented (i.e., specifics should be well within purview of one skilled in the art). Where specific details (e.g., circuits) are set forth in order to describe example embodiments of the invention, it should be apparent to one skilled in the art that the invention can be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.

While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures (e.g., dynamic ram (dram)) may use the discussed embodiments.

The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.