Locomotive ground electric appliance action test simulation device and test data acquisition method

Abstract

The invention provides a locomotive ground electric appliance action test simulation device which comprises a switch 13ZK, one end of the switch 13ZK is connected with the positive electrode of a power supply, and the other end of the switch 13ZK is connected with one end of a relay 1J and one end of an air compressor contactor 1YC; the other end of the relay 1J and the other end of the air compressor contactor 1YC are used for being connected with the two ends of an air compressor 18WHK, when the switch 13ZK is switched on, starting or stopping of the air compressor 18WHK is controlled by controlling on-off of the relay 1J and on-off of the air compressor contactor 1YC, and locomotive wind beating action test simulation is achieved. According to the locomotive ground electric appliance action test simulation device, various faults of a locomotive in daily life can be simulated, the ability of a locomotive driver to process the faults in daily life is improved, and therefore the locomotive repair rate is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of locomotives, and in particular to a locomotive ground electrical equipment action test simulation device and a test data acquisition method. Background Art

[0002] As the core component of locomotive operation, the complexity of the railway locomotive electronic control system determines that it frequently faces various electrical faults during actual operation. These faults not only affect the operating stability and safety of the locomotive, but also lead to an increase in the repair rate, thereby increasing the operating cost of the locomotive. Therefore, it is very necessary to monitor and evaluate the health status of the locomotive electronic control system in a timely and effective manner.

[0003] In the prior art, although there are some devices and methods for the inspection and detection of locomotive electrical faults, they are usually detected after the locomotive fault occurs, which lacks pertinence and real-time performance. Therefore, it is urgent to develop a ground electrical action test simulation device to simulate the various electrical actions of the locomotive under different working conditions. This will enable locomotive drivers and trainees to become familiar with the operating procedures of the electronic control system in a safe environment, and understand the possible hidden faults, thereby improving the safety of the locomotive. Summary of the invention

[0004] In view of the deficiencies in the prior art, an object of the present invention is to provide a locomotive ground electrical action tester.

[0005] To achieve the above object, the present invention provides the following solutions:

[0006] A locomotive ground electrical equipment action test simulation device, comprising:

[0007] A switch (13ZK), one end of the switch (13ZK) is connected to the positive electrode of a power supply, the other end of the switch (13ZK) is respectively connected to one end of a relay (1J) and one end of an air compressor contactor (1YC), the other end of the relay (1J) and the other end of the air compressor contactor (1YC) are used to be connected to two ends of an air compressor (18WHK), and when the switch (13ZK) is turned on, the start or stop of the air compressor (18WHK) is controlled by controlling the on and off of the relay (1J) and the on and off of the air compressor contactor (1YC), thereby realizing a locomotive wind action test simulation.

[0008] Preferably, it also includes:

[0009] A first four-contact switch (7AK*), wherein the fourth end of the first four-contact switch (7AK*) is connected to the other end of the relay (1J), and the second end of the first four-contact switch (7AK*) is connected to one end of the air compressor (18WHK).

[0010] Preferably, the third terminal and the first terminal of the first four-contact switch (7AK*) are used for grounding.

[0011] Preferably, it also includes:

[0012] A second four-contact switch (7AK), wherein the fourth end of the second four-contact switch (7AK) is connected to the other end of the relay (1J), and the second end of the second four-contact switch (7AK) is connected to one end of the air compressor (18WHK).

[0013] Preferably, the third terminal and the first terminal of the first four-contact switch (7AK*) are used for grounding.

[0014] A test data collection method, comprising:

[0015] Use an infrared camera to collect infrared images of the air compressor;

[0016] Obtain characteristic pixel points on the infrared image;

[0017] The temperature displayed by each characteristic pixel point is corrected according to the distance between the infrared camera and the air compressor to obtain the corrected temperature;

[0018] Use pressure gauge and flow meter to collect exhaust pressure and exhaust volume of air compressor;

[0019] Upload the exhaust pressure, exhaust volume and corrected temperature of the air compressor to the host computer.

[0020] Preferably, acquiring characteristic pixel points on the infrared image includes:

[0021] Using the formula:

[0022]

[0023] Calculate the characteristic value of each pixel on the infrared image; where M(x,y) represents the pixel characteristic value, θ(x,y) represents the directional characteristic value, L(x+1,y) represents the pixel value at the position (x+1,y), and L(x,y+1) represents the pixel value at the position (x,y+1);

[0024] The pixels whose characteristic values ​​are within the preset range are regarded as characteristic pixels.

[0025] Preferably, the step of correcting the temperature displayed by each characteristic pixel point according to the distance between the infrared camera and the air compressor to obtain the corrected temperature includes:

[0026] The temperature displayed by each characteristic pixel is corrected using the temperature correction formula to obtain the corrected temperature; wherein the temperature correction formula is:

[0027] t0 =t x e xa

[0028] Among them, t 0 represents the corrected temperature, t x represents the temperature displayed by the characteristic pixel point, x represents the distance between the infrared camera and the air compressor, and a represents the empirical coefficient.

[0029] According to the specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0030] The present invention relates to a locomotive ground electrical action test simulation device. Compared with the prior art, the present invention can simulate various daily locomotive faults through the locomotive ground electrical action test simulation device, improve the locomotive driver's daily fault handling ability, and thus reduce the locomotive repair rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0032] Figure 1 A schematic diagram of a locomotive ground electrical equipment loading action test simulation device provided by the present invention;

[0033] Figure 2 A schematic diagram of a test simulation device for locomotive ground electrical equipment generating action provided by the present invention;

[0034] Figure 3 A schematic diagram of a test simulation device for the locomotive ground electrical equipment generating wind action provided by the present invention;

[0035] Figure 4 This is a schematic diagram of a locomotive operating status feedback circuit provided by the present invention. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] The purpose of the present invention is to provide a locomotive ground electrical equipment action test simulation device to solve the problem that various companies cannot effectively guarantee the security of their accounts when conducting carbon trading.

[0038] To achieve the above object, the present invention provides the following solutions:

[0039] See also Figure 3 , a locomotive ground electrical loading action test simulation device, consists of S140A DC contactor, S141C intermediate relay, S701A driver controller, CZO-250 / 10 DC contactor, S408A toggle switch, S403 push button switch, N314.00.00 piano key switch, LW5-16 switch, rectifier, TZC1 charging resistor, RT16 fuse and other main components. Figure 3As shown, by closing the master control switch 1AK, the lubricating oil pump switch 3AK is connected to the positive pole of the 110V DC circuit, and the 201L-3AK-251-C1 / 55-251A-B2 / 25-251B-QBC coil-252A-SJ coil negative terminal A2-252-B1 / 3-B1 / 24-110V negative lubricating oil pump contactor QBC is actuated, and at the same time, the SJ coil is energized and closed for 120 seconds to prepare for starting. The positive pole of the 110V DC circuit is connected through the fuel oil pump switch 4AK, and the 3AK-4AK-253-C1 / 56-253A-B4 / 39-253B-QC contact positive terminal-253X-RBC coil-268-B4 / 13-268C-B1 / 24-110V negative fuel oil pump contactor RBC is actuated. The driver controller SK is in the zero position, the start button 1AN is in the closed state, and the time relay SJ is energized for 120 seconds to connect the positive pole of the 110V DC circuit, through 1AK—201—C1 / 31—201A—SK zero position contact 8j8d—241—1AN—242—C1 / 41—242B—B4 / 10—243A—QC contact positive end—243B—SJ contact—244A—QC contact negative end—244—FLC normally closed contact—245—QC coil—200C—200—12ZK—100R—B1 / 24—110V negative pole starting contactor QC is attracted to start the locomotive. The forward and backward headlight contactors 2DC and 1DC are controlled by the reversing handle, and the forward reversing of the locomotive is realized by the action of the negative forward contactor 2HKf, which is 1AK—201—C1 / 31—C1 / 32—201B—2AK—211—reversing forward contact 4j4d closed—203—C1 / 34—203B—B6 / 28—B6 / 29—203C—LLC normally closed contact—259—B6 / 31—274—B6 / 24—274A—2HKf—200R—B2 / 38—B2 / 39—12ZK—100R—B1 / 24—110V. The action of the backward contactor 1HKf is connected with the forward logic. At the same time, the normally closed contact of 2HKf closes and connects the positive pole of 110V DC current, and the negative pole 1-position running contactor XQC of B6 / 29—203D—276—HKf—281A—XQC—200XQ—B2 / 38—B2 / 39—12ZK—100R—B1 / 24—110V is actuated, and the negative pole traction motor electric-pneumatic contactor 1C~6C of B6 / 29—203D—276—HKf—6~11WHK—293~298—1C~6C—200PP~200U—B2 / 38—B2 / 39—12ZK—100R—B1 / 24—110V is actuated to prepare for the next step of locomotive loading.Through the 1st position, down, hold and up position control of the driver controller SK, the positive 110V circuit is closed and connected through 209-C1 / 37-209A-B5 / 1-209D-B5 / 2-226A-LJ-227-DJ-228A-3J-279-B4 / 24-279A-B4 / 25-231B-GLC normally closed contact-278-LLC-200A-12ZK-100R-B1 / 24-110V negative exciter excitation contactor LLC to realize locomotive loading. The above actions realize the ground simulation of the whole process of locomotive starting and loading, with clear logical control relationship, and can simulate various faults to allow drivers and locomotive professionals to accurately grasp the principles of locomotive starting and loading.

[0040] like Figure 1 The locomotive power generation simulation system shown in the figure connects the 110V positive circuit through 4AK—253E—5AK1.2 contact—261—C1 / 58—261A—B2 / 31—261B—GFC normally closed contact—261C—FLC—262A—262—GYJ normally closed contact—200J—B2 / 39—12ZK—100R—B1 / 24—110V negative pole excitation contactor FLC to attract the locomotive to realize auxiliary power generation by turning the switch 5AK to the auxiliary position. 5AK is hit to the fixed position and connects the 110V positive circuit through 4AK—253E—5AK3.4 contact—265—C1 / 59—265A—B2 / 32—265B—FLC normally closed contact—265C—GFC—262—GYJ normally closed contact—200J—B2 / 39—12ZK—100R—B1 / 24—110V negative pole excitation contactor GFC is attracted to the locomotive to achieve fixed power generation. Through the switch 6AK, the DC 110V positive circuit 4AK—253E—5AK—253G—6AK—266—C1 / 60—266A—B2 / 33—266B—GLC—200Z—200J—B2 / 39—12ZK—100R—B1 / 24—110V negative fault excitation contactor GLC is energized to ensure the normal operation of the exciter. The above action realizes the logical relationship between the constant voltage 110V auxiliary control circuit and the fault excitation circuit, and can simulate the auxiliary power generation process and various faults in the fault excitation circuit, so that relevant professionals in the locomotive field can better grasp the principles and handle faults. Figure 1The locomotive blower action test simulation system shown in the figure includes: a switch 13ZK, one end of the switch 13ZK is connected to the positive electrode of the power supply, and the other end of the switch 13ZK is respectively connected to one end of the relay 1J and one end of the air compressor contactor 1YC, the other end of the relay 1J and the other end of the air compressor contactor 1YC are used to connect to the two ends of the air compressor 18WHK. When the switch 13ZK is turned on, the start or stop of the air compressor 18WHK is controlled by controlling the on and off of the relay 1J and the on and off of the air compressor contactor 1YC, thereby realizing the locomotive blower action test simulation.

[0041] The first four-contact switch 7AK* has a fourth end connected to the other end of the relay 1J, a second end connected to one end of the air compressor 18WHK, and a third end and a first end of the first four-contact switch 7AK* are grounded.

[0042] The second four-contact switch 7AK, the fourth end of the second four-contact switch 7AK is connected to the other end of the relay 1J, and the second end of the second four-contact switch 7AK is connected to one end of the air compressor 18WHK. The third end and the first end of the first four-contact switch 7AK* are used for grounding. It should be noted that 300 and 300A in the accompanying drawings are the numbers of the lines, and the numbers B5 / 27 and the like are the fixed connection points of the lines.

[0043] The locomotive is ventilated by controlling the air compressor contactor 1YC through the switch 7AK and the intermediate relay 1J.

[0044] like Figure 4The locomotive working status feedback system shown in the figure rectifies 220V AC into 110V DC through a rectifier to supply power to the locomotive electrical action simulation device. The 110V positive end DC passes through the positive pole of XK—105A—1RD—107—RC—101—NL—101A—B1 / 29—B1 / 28—B1 / 27—101E—RBC main contact—147—fuel pump transfer switch 3WHK (1 pump)—148—B2 / 15—148A—1RBDD—140—B2 / 11—140C—6ZK—100G—100S—Bd3—100LL—XK negative pole, and the main contact of the fuel pump contactor RBC is closed and the indicator light RBDD is displayed to feedback the working status of the fuel pump motor. The 110V positive DC current passes through the positive pole of XK, 105, 105B, QBC main contact, 131, B2 / 6, 131A, QBDD, 134D, 2WHK, 103A, B2 / 4, B2 / 3, 103B, 8ZK, 100CC, 100A, 100S, Bd3, 100LL, and the negative pole of XK, through the oil pump contactor QBC main contact closure, and the indicator light QBDD display to feedback the working status of the lubricating oil pump motor. The 110V positive DC current passes through the positive pole of XK, 105, QC main contact, 104, QDD, 100, Bd3, 100LL, and the negative pole of XK, through the starting contactor QC main contact closure, and the indicator light QDD display to feedback the working status of the starter generator and whether the locomotive is started. After the starter motor is started, it switches to the power generation mode. The 110V DC generated is fed back by the indicator light YDD through 103-Bd6-103A-B6 / 6-YC main contact-100P-YDD-100V-3RD-100A-100S-Bd3-100 negative pole. The driver uses the ground operation switch to judge the on-off status of the corresponding circuit through the display of the terminal feedback indicator light. If there is no display, it indicates that there is a fault in the corresponding circuit. The fault is found according to the logical control relationship of the corresponding circuit, which effectively improves the driver's ability to handle faults.

[0045] The present invention also provides a test data collection method, comprising:

[0046] Step 1: Use an infrared camera to collect infrared images of various components on the locomotive electrical motion simulation device;

[0047] Step 2: Obtain characteristic pixel points on the infrared image;

[0048] In step 2, the present invention can also use the formula:

[0049]

[0050] Calculate the characteristic value of each pixel on the infrared image; where M(x,y) represents the pixel characteristic value, θ(x,y) represents the directional characteristic value, L(x+1,y) represents the pixel value at the position (x+1,y), and L(x,y+1) represents the pixel value at the position (x,y+1);

[0051] The pixels whose characteristic values ​​are within the preset range are regarded as characteristic pixels.

[0052] Infrared images are usually used to detect heat sources. The present invention provides a method for extracting characteristic pixel points to mark areas where the temperature may be abnormal, so as to facilitate analysis by staff.

[0053] Step 3: Correct the temperature displayed by each characteristic pixel point according to the distance between the infrared camera and the air compressor to obtain the corrected temperature;

[0054] In step 3, the present invention can use a temperature correction formula to correct the temperature displayed by each characteristic pixel to obtain a corrected temperature; wherein the temperature correction formula is:

[0055] t 0 =t x e xa

[0056] Among them, t 0 represents the corrected temperature, t x represents the temperature displayed by the characteristic pixel point, x represents the distance between the infrared camera and the air compressor, and a represents the empirical coefficient

[0057] Step 4: Upload the corrected temperature to the host computer.

[0058] The present invention provides a learning platform for locomotive professionals, can simulate various daily locomotive faults, improve the locomotive driver's ability to handle daily faults, and thus reduce the locomotive repair rate.

[0059] The principles and implementation methods of the present invention are described in this article using specific examples. The description of the above embodiments is only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A locomotive ground electrical equipment action test simulation device, characterized in that: include: A switch (13ZK), one end of the switch (13ZK) is connected to the positive electrode of a power supply, the other end of the switch (13ZK) is respectively connected to one end of a relay (1J) and one end of an air compressor contactor (1YC), the other end of the relay (1J) and the other end of the air compressor contactor (1YC) are used to be connected to two ends of an air compressor (18WHK), and when the switch (13ZK) is turned on, the start or stop of the air compressor (18WHK) is controlled by controlling the on and off of the relay (1J) and the on and off of the air compressor contactor (1YC), thereby realizing a locomotive wind action test simulation.

2. A locomotive ground electrical equipment action test simulation device according to claim 1, characterized in that: Also includes: A first four-contact switch (7AK*), wherein the fourth end of the first four-contact switch (7AK*) is connected to the other end of the relay (1J), and the second end of the first four-contact switch (7AK*) is connected to one end of the air compressor (18WHK).

3. A locomotive ground electrical equipment action test simulation device according to claim 2, characterized in that: The third terminal and the first terminal of the first four-contact switch (7AK*) are used for grounding.

4. A locomotive ground electrical equipment action test simulation device according to claim 3, characterized in that: Also includes: A second four-contact switch (7AK), wherein the fourth end of the second four-contact switch (7AK) is connected to the other end of the relay (1J), and the second end of the second four-contact switch (7AK) is connected to one end of the air compressor (18WHK).

5. A locomotive ground electrical equipment action test simulation device according to claim 4, characterized in that: The third terminal and the first terminal of the first four-contact switch (7AK*) are used for grounding.

6. A test data collection method, characterized in that: include: Use an infrared camera to collect infrared images of the air compressor; Obtain characteristic pixel points on the infrared image; The temperature displayed by each characteristic pixel point is corrected according to the distance between the infrared camera and the air compressor to obtain the corrected temperature; Use pressure gauge and flow meter to collect exhaust pressure and exhaust volume of air compressor; Upload the exhaust pressure, exhaust volume and corrected temperature of the air compressor to the host computer.

7. A test data collection method according to claim 6, characterized in that: The step of obtaining characteristic pixel points on the infrared image comprises: Using the formula: Calculate the characteristic value of each pixel on the infrared image; where M(x,y) represents the pixel characteristic value, θ(x,y) represents the directional characteristic value, L(x+1,y) represents the pixel value at the position (x+1,y), and L(x,y+1) represents the pixel value at the position (x,y+1); The pixels whose characteristic values ​​are within the preset range are regarded as characteristic pixels.

8. A test data collection method according to claim 7, characterized in that: The method of correcting the temperature displayed by each characteristic pixel point according to the distance between the infrared camera and the air compressor to obtain the corrected temperature includes: The temperature displayed by each characteristic pixel is corrected using the temperature correction formula to obtain the corrected temperature; wherein the temperature correction formula is: t0=t x e xa Where t0 represents the corrected temperature, t x represents the temperature displayed by the characteristic pixel point, x represents the distance between the infrared camera and the air compressor, and a represents the empirical coefficient.

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