DK-2 type brake controller testing device
By designing the DK-2 type brake controller test device, and using a voltage acquisition module and a resistance tester to measure the voltage, interlocking logic and contact resistance of the brake controller, the problems of high maintenance cost and difficult testing in the existing technology are solved, and efficient fault detection and repair are achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-04-10
AI Technical Summary
The lack of dedicated equipment for testing the performance parameters of the DK-2 brake controller in the current technology results in high maintenance costs, long maintenance time, and difficulty in effectively detecting faults.
Design a DK-2 type brake controller test device, including a voltage acquisition module and a resistance tester. By measuring the voltage, interlocking on/off logic and contact resistance of the brake controller at various braking positions, it provides a basis for fault diagnosis and repair.
It enables comprehensive measurement of the main performance parameters of the DK-2 brake controller, reduces maintenance costs, improves maintenance efficiency, and provides a basis for fault diagnosis.
Smart Images
Figure CN224109804U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of locomotive, especially DK-2 brake controller testing device. BACKGROUND
[0002] DK-2 brake system is designed and made by CNR brake system Co., Ltd., and is mainly used for harmonious locomotive.DK-2 locomotive brake system adopts microcomputer simulation control technology, and can realize train automatic braking and locomotive independent braking, air brake and electric brake mixing (air-electric combined braking), broken hook protection, train air charging flow detection, unpowered return, brake reconnection, train speed monitoring cooperation and other brake basic functions.It has intelligent and information functions such as single machine self-checking, fault diagnosis, data recording and storage, has network communication interfaces such as MVB and CAN, and meets the development requirements of modern locomotive brake system informatization and network control.
[0003] At present, since manufacturers do not sell test equipment, the maintenance of DK-2 brake system C4-C6 repair of railway department is carried out in the form of original factory outsourcing repair, and the maintenance cost is high, and the maintenance time is long.Meanwhile, there are few related researches on the independent detection and maintenance of DK-2 brake controller.For example, the patent "DK-2 brake system brake controller" proposed by CSR Zhuzhou Electric Locomotive Co., Ltd.is the detection main body of this research.Some documents such as "Fault analysis of DK-2 brake system" and "Analysis and disposal of typical fault cases of DK-2 brake" analyze the failure mechanism from the aspects of equipment principle and equipment application.The patent "Railway vehicle brake control unit maintenance device and method" of China Railway Science Research Institute Group Co., Ltd.proposes a device and method for detecting the state of brake controller and diagnosing by remote online.The above schemes do not involve the independent detection of DK-2 brake controller by special equipment, and the existing technical schemes are more inclined to the research of theory combined with application level, mainly based on equipment principle analysis and experience judgment.It can be seen that the existing technology does not test the main performance parameters of DK-2 brake controller, and it is difficult to effectively detect faults. UTILITY MODEL CONTENT
[0004] In order to solve the above problems, the utility model provides a DK-2 brake controller testing device, which can test the parameters of each brake position of the brake controller, provide basis for fault maintenance of DK-2 brake controller, reduce high maintenance cost, and improve maintenance efficiency.
[0005] In order to achieve the above purpose, the utility model adopts the technical scheme that:
[0006] A DK-2 brake controller testing device, comprising a brake controller, a voltage acquisition module and a resistance tester,
[0007] The voltage acquisition module is electrically connected with the brake controller to measure the single valve voltage and the self valve voltage of each brake position potentiometer of the brake controller.
[0008] The resistance tester is electrically connected with the brake controller to test the interlocking on-off logic of each brake position of the brake controller and measure the contact resistance of each brake position of the brake controller.
[0009] Further, the voltage acquisition module is electrically connected with the 16 / 20 pin and the 17 / 20 pin of the brake controller respectively.
[0010] Further, the voltage acquisition module is an Altai DAM3153.
[0011] Further, the acquisition ground pin of the resistance tester is electrically connected with the 1 pin of the brake controller, the acquisition 1 pin of the resistance tester is electrically connected with the 2 pin of the brake controller, the acquisition 2 pin of the resistance tester is electrically connected with the 4 pin of the brake controller, the acquisition 3 pin of the resistance tester is electrically connected with the 6 pin of the brake controller, the acquisition 4 pin of the resistance tester is electrically connected with the 7 pin of the brake controller, the acquisition 5 pin of the resistance tester is electrically connected with the 8 pin of the brake controller, the acquisition 6 pin of the resistance tester is electrically connected with the 9 pin of the brake controller, the acquisition 7 pin of the resistance tester is electrically connected with the 11 pin of the brake controller, and the acquisition 8 pin of the resistance tester is electrically connected with the 13 pin of the brake controller.
[0012] Further, a power supply adaptation module is further included, which is electrically connected with the brake controller and the voltage acquisition module.
[0013] Further, the power supply adaptation module includes a first power supply adapter and a second power supply adapter, the first power supply adapter is electrically connected with the 14 pin and the 15 pin of the brake controller, and the second power supply adapter is electrically connected with the voltage acquisition module.
[0014] Further, a host computer is further included, which is communicatively connected with the voltage acquisition module and the resistance tester respectively.
[0015] The utility model discloses the beneficial effects are:
[0016] The handle of the brake controller can be switched to different brake positions, and the single valve voltage and the self valve voltage of the brake position corresponding to the brake controller can be collected under the action of the voltage collection module; the resistance tester can scan the resistance value of each channel of the brake controller to test the interlocking on-off logic of the brake position corresponding to the brake controller according to the data obtained by the resistance tester; and the resistance tester can measure the contact resistance value of the brake position corresponding to the brake controller. The main performance parameters of the DK-2 brake controller, including the voltage of the potentiometer of each brake position, the interlocking on-off logic and the contact resistance value, can be measured, so that reference basis is provided for fault maintenance of the DK-2 brake controller, the high maintenance cost is reduced, and the maintenance efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 Fig. 1 is a structural schematic diagram of a DK-2 brake controller test device according to an embodiment of the present application.
[0018] Fig. 2 Fig. 2 is a schematic diagram of a brake controller of the DK-2 brake controller test device according to an embodiment of the present application.
[0019] Fig. 3 Fig. 3 is a handle position and plug power-on contrast diagram of the DK-2 brake controller test device according to an embodiment of the present application.
[0020] In the drawings, 1 is a brake controller, 2 is a voltage collection module, 3 is a resistance tester, 41 is a first power adapter, 42 is a second power adapter, and 5 is an upper computer. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0022] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. When an element is referred to as being "positioned" to another element, it can be directly on the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for the purpose of illustration only.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0024] Reference will now be made to the drawings, in which Figs. 1-3 The DK-2 type brake controller test device of the preferred embodiment of the application comprises a brake controller 1, a voltage acquisition module 2, a resistance tester 3, a power adapter, and an upper computer 5.
[0025] The voltage acquisition module 2 is electrically connected with the brake controller 1 to measure the single valve voltage and the self valve voltage of the potentiometer of each brake position of the brake controller 1. The voltage acquisition module 2 of the embodiment is an Altai DAM3153.
[0026] The voltage acquisition module 2 is electrically connected with the 16 / 20 pin and the 17 / 20 pin of the brake controller 1 respectively.
[0027] In the embodiment, the brake controller 1 can be switched to different brake positions through the handle of the brake controller 1, and the single valve voltage and the self valve voltage of the corresponding brake position of the brake controller 1 can be collected under the action of the voltage acquisition module 2. When the single valve voltage and the self valve voltage differ from the corresponding standard voltage by more than ±0.1v, the voltage is considered unqualified.
[0028] The resistance tester 3 is electrically connected with the brake controller 1 to test the interlocking on-off logic of each brake position of the brake controller 1 and measure the contact resistance of each brake position of the brake controller 1. The model of the resistance tester 3 is Amber AT5108.
[0029] The collection 1 pin of the resistance tester 3 is electrically connected with the 1 pin of the brake controller 1, the collection 2 pin of the resistance tester 3 is electrically connected with the 2 pin of the brake controller 1, the collection 3 pin of the resistance tester 3 is electrically connected with the 6 pin of the brake controller 1, the collection 4 pin of the resistance tester 3 is electrically connected with the 7 pin of the brake controller 1, the collection 5 pin of the resistance tester 3 is electrically connected with the 8 pin of the brake controller 1, the collection 6 pin of the resistance tester 3 is electrically connected with the 9 pin of the brake controller 1, the collection 7 pin of the resistance tester 3 is electrically connected with the 11 pin of the brake controller 1, and the collection 8 pin of the resistance tester 3 is electrically connected with the 13 pin of the brake controller 1.
[0030] In this embodiment, the resistance tester 3 can scan the resistance of each channel of the brake controller 1 to test the interlocking on-off logic of the brake controller 1 corresponding to the brake position according to the data obtained by the resistance tester 3. When the channel resistance is greater than 10 ohms, it is judged to be disconnected. When the channel resistance is less than 10 ohms, it is judged to be closed. The normal contact resistance is much less than 10, so the contact resistance less than 10 is used as the judgment basis.
[0031] In this embodiment, the resistance tester 3 can measure the contact resistance of the brake controller 1 corresponding to the brake position to obtain the corresponding contact resistance. When the contact resistance is less than 300 milliohms, it is judged to be qualified.
[0032] The brake controller principle diagram of the brake controller 1 is shown in Fig. 2 The pins of the brake controller 1 are electrically connected to the voltage acquisition module 2 and the resistance tester 3 through the aviation plug.
[0033] The power supply adaptation module is electrically connected to the brake controller 1 and the voltage acquisition module 2. The power supply adaptation module includes a first power supply adapter 41 and a second power supply adapter 42. The first power supply adapter 41 is electrically connected to the 14th pin and the 15th pin of the brake controller 1. The second power supply adapter 42 is electrically connected to the voltage acquisition module 2.
[0034] The first power supply adapter 41 of this embodiment can provide 24V voltage for the brake controller 1. The second power supply adapter 42 can provide 12V voltage for the voltage acquisition module 2.
[0035] The host computer 5 is communicatively connected to the voltage acquisition module 2 and the resistance tester 3.
[0036] The host computer 5 can test the voltage acquisition module 2 and the resistance tester 3 to test the potentiometer voltage of each brake position of the brake controller 1, test the interlocking on-off logic of each brake position, and measure the contact resistance of each brake position.
[0037] In the potentiometer voltage test of each brake position of the brake controller 1, the brake controller 1 is switched to different brake positions, and the host computer 5 real-time acquires data in the voltage acquisition module 2 to obtain the single valve voltage and the self valve voltage of the brake controller 1 corresponding to the brake position. When the single valve voltage and the self valve voltage differ from the corresponding standard voltage by more than ±0.1v, the voltage is considered unqualified, and the host computer 5 prompts the voltage unqualified information.
[0038] In the interlock on-off logic test of each brake position of the brake controller 1, the brake controller 1 is switched to different brake positions, and the host computer sends resistance query instructions to the resistance tester 3 in real time to control the resistance tester 3 to scan and measure the resistance of each channel. When the channel resistance is greater than 10 ohms, it is judged to be disconnected, and the logic state display area of the host computer 5 displays a red light. When the channel resistance is less than 10 ohms, it is judged to be closed, and the logic indicator of the host computer 5 displays a green light.
[0039] In the contact resistance measurement of each brake position of the brake controller 1, the brake controller 1 is switched to different brake positions, and the host computer sends resistance query instructions to the resistance tester 3 in real time to control the resistance tester 3 to scan and measure the resistance of each channel. The contact resistance of the corresponding channel is displayed in the host computer 5.
[0040] The host computer 5 of the embodiment can also compare the collected line-to-line conduction state, resistance, and voltage value at different handle positions with the standard array preset in the software. When there is an inconsistency, the judgment state will be displayed in the corresponding area.
[0041] The embodiment constructs a test platform for the DK-2 brake controller. By measuring the main performance parameters of the brake controller 1, including the potentiometer voltage of each brake position, the interlock on-off logic, and the contact resistance, the overall performance of the brake controller 1 is comprehensively, accurately, and systematically tested. The measurement results can automatically diagnose the fault state and provide a reference for further maintenance.
Claims
1. A test device for a DK-2 type brake controller, characterized by, Brake controller (1), voltage acquisition module (2), resistance tester (3), The voltage acquisition module (2) is electrically connected with the brake controller (1) to measure the single valve voltage and the self valve voltage of the brake controller (1) at each brake position potentiometer. The resistance tester (3) is electrically connected with the brake controller (1) to test the interlocking on-off logic of each brake position of the brake controller (1) and measure the contact resistance of each brake position of the brake controller (1).
2. A DK-2 type brake controller testing device according to claim 1, characterized in that: The voltage acquisition module (2) is electrically connected with the 16 / 20 pin and the 17 / 20 pin of the brake controller (1) respectively.
3. A DK-2 type brake controller testing device according to claim 2, characterized in that: The voltage acquisition module (2) is Altai DAM3153.
4. A DK-2 brake controller test device according to claim 2, wherein: The collection ground pin of the resistance tester (3) is electrically connected with the 1 pin of the brake controller (1), the collection 1 pin of the resistance tester (3) is electrically connected with the 2 pin of the brake controller (1), the collection 2 pin of the resistance tester (3) is electrically connected with the 4 pin of the brake controller (1), the collection 3 pin of the resistance tester (3) is electrically connected with the 6 pin of the brake controller (1), the collection 4 pin of the resistance tester (3) is electrically connected with the 7 pin of the brake controller (1), the collection 5 pin of the resistance tester (3) is electrically connected with the 8 pin of the brake controller (1), the collection 6 pin of the resistance tester (3) is electrically connected with the 9 pin of the brake controller (1), the collection 7 pin of the resistance tester (3) is electrically connected with the 11 pin of the brake controller (1), and the collection 8 pin of the resistance tester (3) is electrically connected with the 13 pin of the brake controller (1).
5. A DK-2 type brake controller testing device according to claim 4, characterized in that: The pins of the brake controller (1) are electrically connected with the voltage acquisition module (2) and the resistance tester (3) through aviation plugs.
6. A DK-2 brake controller test device according to claim 1, wherein: Further comprising a power supply adaptation module, which is electrically connected with the brake controller (1) and the voltage acquisition module (2).
7. A DK-2 type brake controller test device according to claim 6, characterized in that: The power supply adaptation module comprises a first power supply adapter (41) and a second power supply adapter (42), the first power supply adapter (41) is electrically connected with the 14 pin and the 15 pin of the brake controller (1), and the second power supply adapter (42) is electrically connected with the voltage acquisition module (2).
8. A DK-2 brake controller test device according to claim 1, wherein: Further comprising a host computer (5), which is communicatively connected with the voltage acquisition module (2) and the resistance tester (3) respectively.