On-site automatic calibration device for pressure unit of rail transit brake test stand

Abstract

The utility model belongs to the field of rail transit brake test, and provides a rail transit brake test bench pressure unit field automatic calibration device comprising a cabinet body which is internally provided with a pressure controller, an industrial control computer, a pneumatic source, a pneumatic source control switch, a pneumatic pipeline and a pipeline interface; the industrial personal computer is connected with the pressure controller, and the pressure controller is connected with the air pressure source control switch; the pneumatic source control switch is connected with the pneumatic source; one end of the pneumatic pipeline is connected with the pneumatic source, and the other end is connected with the pipeline interface; the pipeline interface is also connected with a to-be-verified rail transit brake test bench pressure unit. The to-be-verified rail transit brake test bed pressure unit is also connected with the industrial personal computer; the cabinet body is also provided with a display module, and the display module is connected with the industrial personal computer. According to the small-sized automatic calibration device, production is not affected, equipment is not disassembled, and the calibration work efficiency and the calibration accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rail transit brake test field especially relates to a rail transit brake test bench pressure unit field automation calibration device. BACKGROUND

[0002] The statements in this part only provide background technical information related to the utility model and do not necessarily constitute prior art.

[0003] At present, the calibration method of pressure unit of brake test bench and other rail transit equipment usually adopts the following two schemes, scheme one is to respectively disassemble pressure unit and display instrument and then calibrate pressure detection and display function, scheme two is to move laboratory pressure controller to the field for detection. Scheme one has the following problems: in the process of disassembling pressure unit and display instrument, it is easy to cause damage to rail transit brake test bench pressure unit, and there is a risk of use, and after disassembling and calibrating, it is necessary to spend manpower and time cost for assembling operation, thereby affecting the production progress in the field, and after respectively detecting pressure unit and display instrument and then installing and using, there is certain installation and system error, and the human influence factor is large in the process, affecting calibration accuracy and quality control level. Scheme two has the following problems: too large to be transported, and there is a risk of knocking, the operation process is complex, needs external power supply, and needs to frequently start and stop equipment when moving, and the detection efficiency is too low.

[0004] In summary, the calibration method of pressure unit of brake test bench and other rail transit equipment at present has the problems of unable online calibration and low detection efficiency. UTILITY MODEL CONTENTS

[0005] In order to solve the technical problems in the above background art, the utility model provides a rail transit brake test bench pressure unit field automation calibration device, which can be miniaturized and integrated without affecting production and disassembling equipment, can reduce human influence factors, improve calibration work efficiency and calibration accuracy, improve production field operation continuity, and improve brake test bench pressure unit quality control level.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A rail transit brake test bench pressure unit field automation calibration device, cabinet, the cabinet is provided with pressure controller, industrial computer, air pressure source, air pressure source control switch, gas pipeline and pipeline interface;

[0008] The industrial computer is connected with a pressure controller, the pressure controller is connected with a gas pressure source control switch, the gas pressure source control switch is connected with a gas pressure source, one end of a gas pressure pipeline is connected with the gas pressure source, the other end of the gas pressure pipeline is connected with a pipeline interface, the pipeline interface is also connected with a pressure unit of a rail transit brake test bed to be verified, and the pressure unit of the rail transit brake test bed to be verified is also connected with the industrial computer.

[0009] The cabinet body is also provided with a display module, the display module is connected with the industrial computer, the industrial computer is used for transmitting the preset pressure target and the pressure result measured by the pressure unit of the rail transit brake test bed to be verified to the display module for display.

[0010] As an implementation form, the side wall of the cabinet body is also provided with a radiator, and the radiator is connected with the industrial computer.

[0011] As an implementation form, the cabinet body is also integrated with a power supply, and the power supply is used for providing electric energy for the pressure controller and the industrial computer.

[0012] As an implementation form, the cabinet body is also connected with a mobile tool.

[0013] As an implementation form, the mobile tool comprises mobile wheels and a handle, the mobile wheels are arranged at the bottom of the cabinet body, and the handle is connected with one side wall of the cabinet body.

[0014] As an implementation form, the cabinet body is also provided with a booster air pump, and the booster air pump is connected with the gas pressure source and the pressure controller respectively.

[0015] As an implementation form, the number of the pipeline interfaces is at least two, and each pipeline interface is connected with one pressure unit of the rail transit brake test bed to be verified.

[0016] As an implementation form, the cabinet body is also hinged with a cover body, and the display module is arranged on the inner side of the cover body.

[0017] As an implementation form, the cabinet body is internally provided with a first support plate and a second support plate.

[0018] As an implementation form, the pressure controller is arranged on the first support plate, and the industrial computer is arranged on the second support plate.

[0019] Compared with the prior art, the cabinet body has the advantages that:

[0020] (1) The utility model discloses a pressure controller, industrial computer, air pressure source, air pressure source control switch, air pressure pipeline and pipeline interface are integrated in one, realize the integrated miniaturization of pressure automation calibration, can be carried to the production field to the pressure unit and carry out accurate control under the premise of not affecting production and not disassembling equipment, save manpower and time cost in the process of disassembling, reduce the risk of disassembly damage, simultaneously, the present application reduces the human influence factor, improves calibration work efficiency and calibration accuracy, improves production field operation continuity, improves brake test bench pressure unit quality control level.

[0021] (2) If the measured equipment exists air cylinder, check valve and the like special structure, the utility model utilizes the pressure controller to start the booster air pump and improve the pressurization efficiency, thereby improving the calibration work efficiency.

[0022] (3) The utility model discloses still being equipped with radiator on the lateral wall of cabinet body, utilizes the radiator and can guarantee the heat dissipation of each part.

[0023] (4) The utility model discloses the number of pipeline interface is at least two, and each pipeline interface is connected with a corresponding track traffic brake test bench pressure unit to be checked, realizes the field multi-channel automation calibration.

[0024] The advantages of the additional aspects of the utility model will be partly given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings accompanying the specification integrated into the utility model part are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model.

[0026] Figure 1 It is the structure schematic diagram of track traffic brake test bench pressure unit field automation calibration device of the utility model embodiment;

[0027] Figure 2 It is the appearance structure schematic diagram of track traffic brake test bench pressure unit field automation calibration device of the utility model embodiment;

[0028] Figure 3 It is the side view of track traffic brake test bench pressure unit field automation calibration device of the utility model embodiment;

[0029] Figure 4 It is the structure schematic diagram of first support plate and second support plate of the utility model embodiment.

[0030] 1, display module, 2, pressure controller, 3, industrial computer, 4, power supply, 5, booster inflation pump, 6, pipeline interface, 7, radiator, 8, mobile tooling, 9, cabinet, 10, cover, 11, first support plate, 12, second support plate. DETAILED DESCRIPTION

[0031] The utility model will be further described below in combination with the drawings and examples.

[0032] It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless otherwise specified, all technical and scientific terms used herein have the same meaning as generally understood by those skilled in the art to which the utility model belongs.

[0033] It should be noted that the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form, and furthermore, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or their combination.

[0034] According to Figure 1 , the embodiment provides a rail transit brake test bench pressure unit field automation calibration device, comprising: cabinet 9, the cabinet 9 is provided with pressure controller 2, industrial computer 3, gas source, gas source control switch, gas pressure pipeline and pipeline interface 6 in;

[0035] The industrial computer 3 is connected with the pressure controller 2, and the pressure controller 2 is connected with the gas source control switch;The gas source control switch is connected with the gas source;One end of the gas pressure pipeline is connected with the gas source, and the other end is connected with the pipeline interface 6;The pipeline interface 6 is also connected with the rail transit brake test bench pressure unit to be verified;The rail transit brake test bench pressure unit to be verified is also connected with the industrial computer 3;

[0036] The cabinet 9 is also provided with display module 1, and the display module 1 is connected with the industrial computer 3;The industrial computer 3 is used to transmit the preset pressure target and the pressure result measured by the rail transit brake test bench pressure unit to be verified to the display module 1 for display.

[0037] Among them, the rail transit brake test bench pressure unit to be verified and the industrial computer can communicate with each other through a known communication mode, such as wireless communication.

[0038] When the preset pressure target and the pressure result measured by the rail transit brake test bench pressure unit to be verified are displayed on the display module at the same time, it indicates that the verification is completed.

[0039] It should be noted that the pressure controller can be implemented by using a programmable logic device or other existing processor, and the specific model thereof can be selected according to actual conditions, which will not be described in detail here.

[0040] The industrial computer and the air pressure source of the embodiment are of existing structures.

[0041] The air pressure source control switch of the embodiment is an electric valve.

[0042] The pressure unit of the rail transit brake test bench to be verified of the embodiment is of an existing structure.

[0043] The display module of the embodiment is a display screen, which can be a touch screen and the like.

[0044] In Figure 1 In the cabinet 9, a heat sink 7 is further arranged on the side wall, and the heat sink 7 is connected with the industrial computer 3. For example, the heat sink is implemented by using a fan, which will not be described in detail here.

[0045] The heat sink of the embodiment can ensure the heat dissipation of each component.

[0046] In the embodiment, a power supply 4 is further integrated in the cabinet 9, and the power supply 4 is used to provide electric energy for the pressure controller and the industrial computer. In this way, it is ensured that the rail transit brake test bench pressure unit field automatic calibration device of the utility model can be carried to the production site for field calibration.

[0047] In the embodiment, the cabinet 9 is further connected with a mobile tool 8. The mobile tool 8 includes a mobile wheel and a handle, the mobile wheel is arranged at the bottom of the cabinet, and the handle is connected with the side wall of the cabinet. In this way, it is ensured that the rail transit brake test bench pressure unit field automatic calibration device can be carried to the production site for field calibration.

[0048] In one or more embodiments, a booster air pump 5 is further arranged in the cabinet 9, and the booster air pump 5 is connected with the air pressure source and the pressure controller respectively. If the measured equipment has a pneumatic cylinder, a check valve or other special structure, the booster air pump is started by using the pressure controller to improve the pressurization efficiency, so as to improve the calibration efficiency.

[0049] In one or more embodiments, the number of the pipeline interfaces 6 is at least two, and each pipeline interface is connected with a rail transit brake test bench pressure unit to be verified. In this way, field multi-channel automatic calibration is realized.

[0050] The embodiment integrates a supercharged air pump, a convenient power supply, a multi-pipeline tool interface and the like, and miniaturizes the whole system, overcomes the problems of small on-site calibration space, no power supply interface and slow supercharging speed, and simultaneously satisfies pressure control of 2-8 pressure units through the multi-pipeline tool, and achieves the effect of batch calibration of on-site pressure units.

[0051] As shown in Figure 2 and Figure 3 The cabinet 9 is further hinged with a cover body 10, and the display module 1 is arranged inside the cover body 10. In this way, the display module can be protected and damage of the display module can be avoided.

[0052] In some other embodiments, the industrial computer is further connected with an input module, wherein the input module includes but is not limited to a keyboard, a mouse and the like.

[0053] As shown in Figure 4 The first support plate 11 and the second support plate 12 are arranged inside the cabinet 9. The pressure controller 2 is arranged on the first support plate 11, and the industrial computer 3 is arranged on the second support plate 12. In this way, the internal space of the cabinet can be reasonably utilized.

[0054] The above only describes the preferred embodiments of the utility model and is not used for limiting the utility model. For those skilled in the art, the utility model can have various changes and variations. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A rail transit brake test bench pressure unit field automation calibration device, characterized in that, The utility model relates to a rail transit brake test bench pressure unit calibration device, including: The cabinet is internally provided with a pressure controller, an industrial computer, a gas pressure source, a gas pressure source control switch, a gas pressure pipeline and a pipeline interface; The industrial computer is connected with the pressure controller, the pressure controller is connected with the gas pressure source control switch, the gas pressure source control switch is connected with the gas pressure source, one end of the gas pressure pipeline is connected with the gas pressure source, the other end is connected with the pipeline interface, the pipeline interface is also connected with a to-be-calibrated rail transit brake test bench pressure unit, and the to-be-calibrated rail transit brake test bench pressure unit is also connected with the industrial computer; The cabinet is also provided with a display module, the display module is connected with the industrial computer, the industrial computer is used for transmitting the preset pressure target and the pressure result measured by the to-be-calibrated rail transit brake test bench pressure unit to the display module for display.

2. The rail transit brake test bench pressure unit field automation calibration device according to claim 1, wherein, The sidewall of the cabinet is also provided with a radiator, and the radiator is connected with the industrial computer.

3. The rail transit brake test bench pressure unit field automation calibration device according to claim 1, wherein, The cabinet is also integrated with a power supply for providing electric energy for the pressure controller and the industrial computer.

4. The rail transit brake test bench pressure unit field automation calibration device of claim 1, wherein, The cabinet is also connected with a mobile tool.

5. The rail transit brake test bench pressure unit field automation calibration device according to claim 4, characterized in that, The mobile tool includes mobile wheels and a handle, the mobile wheels are arranged at the bottom of the cabinet, and the handle is connected with one sidewall of the cabinet.

6. The rail transit brake test bench pressure unit field automation calibration device according to claim 1, wherein, The cabinet is also provided with a booster air pump, and the booster air pump is connected with the gas pressure source and the pressure controller respectively.

7. The rail transit brake test bench pressure unit field automation calibration device according to claim 1, wherein, The number of the pipeline interfaces is at least two, and each pipeline interface is connected with a to-be-calibrated rail transit brake test bench pressure unit.

8. The rail transit brake test bench pressure unit field automation calibration device of claim 1, wherein, The cabinet is also hinged with a cover body, and the display module is arranged on the inner side of the cover body.

9. The rail transit brake test bench pressure unit field automation calibration device of claim 1, wherein, The cabinet is internally provided with a first support plate and a second support plate.

10. The rail transit brake test bench pressure unit field automation calibration device according to claim 9, characterized in that, The pressure controller is arranged on the first support plate, and the industrial computer is arranged on the second support plate.

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