Equipment suitable for CRH5 type motor train unit passenger room lamp control board button function and performance detection

By designing a device containing an electrically controlled pneumatic system, the on-off resistance value of the CRH5 type EMU passenger room light control panel button is automatically measured, which solves the problem of time and effort in manual measurement and improves measurement accuracy and efficiency.

CN222188798UActive Publication Date: 2024-12-17CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
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Patent Information

Application Number
CN202421016049.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2024-12-17
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

In the maintenance of the passenger room lighting control board of the CRH5 EMU, it takes a lot of manpower and time to manually measure the on-off resistance value of the button, and the measurement results are not accurate enough.

Method used

A device including base plate, column, power supply module, input and output and drive module, pressure regulating valve, solenoid valve and cylinder is designed to realize automatic constant pressure operation button through electrical control and pneumatic operation, and the on-off resistance of button contacts is measured in real time. value.

Benefits of technology

Automatic button function testing and performance detection are realized, saving manpower and time, and improving the accuracy of measurement results.

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Abstract

The utility model relates to a device suitable for CRH5 type motor train unit passenger room lamp control panel button function and performance detection, comprising a base plate, a plurality of columns, a top plate, a plurality of buffer seats, a power supply module, an input / output and driving module, a pressure regulating valve, a six-connection solenoid valve, a double-control double-position solenoid valve, a 90-degree steering engine, a fixed cylinder, six button cylinders, and button plate support columns. A switch operation handle; and a button panel. The equipment suitable for CRH5 type motor train unit passenger room lamp control board button function and performance detection realizes constant pressure operation of button equipment through electric control pneumatic operation, and can realize real-time measurement of on-off resistance of an operated button contact, thereby realizing high-speed operation of the passenger room lamp control board button function and performance detection of the passenger room lamp control board button function and performance detection of the passenger room lamp control board. The device is suitable for button function test and performance detection after a passenger room illuminating lamp control panel of a CRH5 type motor train unit is maintained, can automatically complete pressing and rotating operation of a button and a switch, and automatically measures and displays the on-off resistance value of a contact of the operated button.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor vehicle production detection, in particular to a device suitable for detecting the function and performance of buttons on a light control panel in a passenger compartment of a CRH5 motor vehicle group. Background Art

[0002] The control of the passenger compartment lighting in the CRH5 EMU is carried out by the lighting control panel placed in the electrical cabinet. The control panel can switch the centralized control and local control modes of the passenger compartment emergency lighting and normal lighting, and realize automatic control and manual control of emergency lighting, and control of half light, full light and off light for normal lighting.

[0003] After the light control board is powered on for a long time and the buttons are repeatedly operated, the internal contacts of the buttons will oxidize and arc and burn, which will cause the button's on-resistance to be too large, and the button function will fail or become insensitive. When the button is repaired, the mechanical properties and continuity of the button need to be tested and measured again. Usually, a constant pressing force is required, and the pressing is repeated hundreds of times. After each pressing, the on-resistance of the contact needs to be measured. Only when the parameters are normal can the button be guaranteed to be used normally.

[0004] At present, in the maintenance of the passenger compartment lighting control panel of the CRH5 EMU, manual measurement is usually adopted, that is, pressing a single button separately and using a multimeter to measure, which requires the cooperation of two people. A passenger compartment lighting control panel of a CRH5 EMU is equipped with 6 button switches and 1 three-position knob switch, and a total of 22 groups of contacts need to measure the resistance of conduction and disconnection, which requires a lot of manpower and time.

[0005] A simple and reliable device is now needed to realize automatic constant pressure operation of switches and buttons on the light control panel, and automatically measure the on-off resistance of the corresponding contacts, so as to save manpower and time and improve the accuracy of measurement results. Utility Model Content

[0006] The utility model aims to solve the technical problems in the prior art and provides a device suitable for detecting the function and performance of buttons on a light control panel in a passenger compartment of a CRH5 type EMU.

[0007] In order to solve the above technical problems, the technical solution of the utility model is as follows:

[0008] A device suitable for testing the function and performance of buttons on a CRH5 EMU passenger compartment light control panel, comprising: a bottom plate, multiple columns, a top plate, multiple buffer seats, a power module, an input / output and drive module, a pressure regulating valve, a six-link solenoid valve, a double-control double-position solenoid valve, a 90° steering gear, a fixed cylinder, 6 button cylinders, a button panel support column, a switch operating handle and a button panel;

[0009] The bottom plate and the top plate are connected by multiple columns; the top plate is provided with actuator installation positions corresponding to the buttons and switch positions on the passenger compartment lighting control panel of the CRH5 EMU; multiple buffer seats are arranged under the bottom plate;

[0010] The button panel support column and the switch operating handle are respectively arranged on the top plate, the upper end of the button panel is connected to the top plate, and the lower end is connected to the bottom plate;

[0011] The power module is connected to the input / output and drive modules, and is responsible for providing DC24V power to the input / output and drive modules;

[0012] The communication of the input / output and drive module is connected to the external display unit, which is responsible for displaying the measured on / off resistance of the device; the output of the input / output and drive module is connected to the button panel, and the button panel sends the control command to the output of the input / output and drive module; the drive of the input / output and drive module is connected to the double-control double-position solenoid valve, and the action of the double-control double-position solenoid valve is controlled by an electrical signal; the drive of the input / output and drive module is also connected to the 90° steering gear, and the action of the 90° steering gear is controlled by an electrical signal; the drive of the input / output and drive module is also connected to the six-connected solenoid valve, and the actions of the No. 1-6 solenoid valves in the six-connected solenoid valve are respectively controlled by electrical signals;

[0013] The input end of the electrical connector is connected to the input end of the input-output and drive module, and the electrical connector is also connected to the electrical connector of the passenger compartment lighting control board of the CRH5 EMU, and the on-off resistance value of the button contact of the passenger compartment lighting control board of the CRH5 EMU is fed back to the input end of the input-output and drive module;

[0014] The external air source enters the system through the pressure regulating valve, which is responsible for adjusting the external air source pressure so that the pressing pressure of the button cylinder reaches the standard pressing pressure of the button; the pressure regulating valve is connected to the double-control double-position solenoid valve, so that the compressed air passes through the electrically controlled double-control double-position solenoid valve to realize the control of tightening or releasing the compressed air; the pressure regulating valve is connected to the six-connected solenoid valve, so that the compressed air passes through the electrically controlled six-connected solenoid valve to realize the control of extending the compressed air of the six button cylinders; the double-control double-position solenoid valve is connected to the four fixed cylinders respectively, the tightening compressed air output port is connected to the compressed air inlet port of the fixed cylinder for retracting, and the releasing compressed air output port is connected to the compressed air inlet port of the fixed cylinder for extending, so that the double-control double-position solenoid valve controls the extension and retraction of the fixed cylinder; solenoid valves No. 1-6 in the six-connected solenoid valve are respectively connected to the six button cylinders, so that solenoid valves No. 1-6 respectively control the extension and retraction of the six button cylinders.

[0015] In the above technical solution, the top plate is provided with: a pressure regulating valve mounting hole, an electrical connector mounting hole, 4 fixed cylinder mounting holes, a servo mounting hole for operating the knob switch, 6 button cylinder mounting holes, 4 button board support column mounting holes, and 6 column mounting holes.

[0016] In the above technical solution, the installation positions of the executive components include: a fixed cylinder installation hole, a servo installation hole for operating the knob switch, a button cylinder installation hole, and a button board support column installation hole.

[0017] In the above technical solution, the output circuit in the input / output and driving module is a jog circuit and a timer-controlled sequential start circuit, and the jog control and automatic sequential control are performed separately through the buttons on the button panel.

[0018] In the above technical solution, the input port in the input / output and driving module is an analog input, and the on / off resistance of the button contacts on the button panel is detected through the analog input port. The collected analog resistance is converted into a digital signal through a digital-to-analog conversion circuit and transmitted to the display module of the external display unit, and the serial port display screen in the display module displays the resistance value.

[0019] In the above technical solution, the output port in the input / output and drive module is connected to the drive to amplify the output electrical signal to control the double-control double-position solenoid valve and / or the six-link solenoid valve and the 90° servo action.

[0020] In the above technical solution, the driver in the input / output and driving module is a power distribution and relay driver, which is responsible for distributing the power and converting the output control signal into a high-power electrical control signal through a relay.

[0021] In the above technical solution, the power module is an AC220V to DC24V converter.

[0022] The utility model has the following beneficial effects:

[0023] The utility model is a device suitable for detecting the button function and performance of a CRH5 type EMU passenger compartment lighting control panel. The device realizes constant pressure operation of the button device through electric control and pneumatic operation, and can realize real-time measurement of the on-off resistance value of the operated button contact. The utility model is suitable for performing button function test and performance detection on the passenger compartment lighting control panel of the CRH5 type EMU after maintenance. The device can automatically complete the pressing and rotating operations of buttons and switches, and automatically measure the on-off resistance value of the operated button contact and display it.

[0024] Compared with manual button pressing and single measurement with a multimeter, the utility model is suitable for the function and performance detection of the buttons of the CRH5 EMU passenger compartment light control panel, which can realize automatic constant pressure operation of the switches and buttons on the light control panel and automatically measure the on-off resistance of the corresponding contacts, thereby saving manpower and time and improving the accuracy of the measurement results. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0026] Figure 1 The utility model is a three-dimensional structural schematic diagram of the equipment suitable for detecting the function and performance of the buttons of the light control panel in the passenger compartment of the CRH5 EMU.

[0027] Figure 2 The utility model is a schematic diagram of the components of the equipment suitable for testing the functions and performances of the buttons on the light control panel in the passenger compartment of the CRH5 EMU.

[0028] Figure 3 The utility model is a schematic diagram of the top plate installation hole layout of the equipment suitable for the function and performance detection of the buttons of the CRH5 type EMU passenger compartment light control panel.

[0029] Figure 4 The utility model is a schematic diagram of the connection of components of a device suitable for detecting the function and performance of buttons on a light control panel in a passenger compartment of a CRH5 EMU.

[0030] The reference numerals in the figures indicate:

[0031] 1- bottom plate, 2- column, 3- top plate, 4- buffer seat, 5- power module, 6- input and output and drive module, 7- pressure regulating valve, 8- six-way solenoid valve, 9- double control two-position solenoid valve, 10- 90° steering gear, 11- fixed cylinder, 12- button cylinder, 13- button board support column, 14- switch operating handle, 15- button panel;

[0032] 31-pressure regulating valve mounting hole, 32-electrical connector mounting hole, 33-fixed cylinder mounting hole, 34-servo mounting hole, 35-button cylinder mounting hole, 36-button board support column mounting hole, 37-column mounting hole. DETAILED DESCRIPTION

[0033] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance. The present utility model is further described in detail below in conjunction with the accompanying drawings.

[0035] The utility model is suitable for the button function and performance detection of the CRH5 type EMU passenger compartment lighting control panel. It is a device that realizes constant pressure operation of buttons through electric control and pneumatics, and can realize real-time measurement of the on-off resistance of the operated button contact. The present invention is suitable for the button function test and performance detection of the passenger compartment lighting control panel of the CRH5 type EMU after maintenance, and can automatically complete the pressing and rotating operations of buttons and switches, and automatically measure the on-off resistance of the operated button contact and display it.

[0036] like Figure 1 and 2 As shown, the device of the utility model suitable for detecting the function and performance of the buttons of the light control panel in the passenger compartment of the CRH5 EMU is a rectangular device with a length of 463 mm, a width of 150 mm, and a height of 252 mm. Figure 1 Its internal components such as Figure 2 As shown, it mainly includes: a base plate 1, a column 2, a top plate 3, a buffer seat 4, a power module 5, an input / output and drive module 6, a pressure regulating valve 7, a six-link solenoid valve 8, a double-control two-position solenoid valve 9, a 90° servo 10, a fixed cylinder 11, a button cylinder 12, a button board support column 13, a switch operating handle 14 and a button panel 15.

[0037] The bottom plate 1 and the top plate 3 are connected by 6 columns 2 to form a frame for installing the components of the entire device. The top plate 3 is used as the actuator installation plate of the device. The installation positions of the actuator components on it need to correspond to the buttons and switches on the passenger compartment lighting control panel of the CRH5 EMU. The detailed setting method of the holes set on the top plate 3 is as follows: Figure 3 As shown. The top plate 3 is provided with: a pressure regulating valve mounting hole 31; an electrical connector mounting hole 32; a fixed cylinder mounting hole 33, 4 in total; a steering gear mounting hole 34 for operating the knob switch; a button cylinder mounting hole 35, 6 in total; a button board support column mounting hole 36, 4 in total; and a column mounting hole 37, 6 in total. Among them, the fixed cylinder mounting hole 33, the steering gear mounting hole 34 for operating the knob switch, the button cylinder mounting hole 35 and the button board support column mounting hole 36 are the installation positions of the actuator components.

[0038] The button panel support column 13 and the switch operating handle 14 are respectively arranged on the top plate 3 . The upper end of the button panel 15 is connected to the top plate 3 , and the lower end is connected to the bottom plate 1 .

[0039] like Figure 4 As shown, the device composition relationship is as follows: the power module 5 is an AC220V to DC24V power module, the power module 5 is connected to the input / output and drive module 6, and is responsible for providing the input / output and drive module 6 with a DC24V power supply; the communication of the input / output and drive module 6 is connected to an external display unit, and is responsible for displaying the measured on / off resistance of the device; the output of the input / output and drive module 6 is connected to a button panel 15, and the button panel 15 sends a control instruction to the output of the input / output and drive module 6; the drive of the input / output and drive module 6 is connected to the dual control unit. The two-position solenoid valve 9 is connected, and the action of the double-control two-position solenoid valve 9 is controlled by an electrical signal; the drive of the input-output and drive module 6 is connected to the 90° steering gear 10, and the action of the 90° steering gear 10 is controlled by an electrical signal; the drive of the input-output and drive module 6 is connected to the six-connected solenoid valve 8, and the actions of the solenoid valves No. 1-6 in the six-connected solenoid valve 8 are respectively controlled by electrical signals; the input end of the electrical connector is connected to the input end of the input-output and drive module 6, and the electrical connector is also connected to the electrical connector of the passenger compartment lighting control board of the CRH5 EMU, so that the CRH The on-off resistance of the button contact of the passenger compartment lighting control panel of the 5-type EMU is fed back to the input end of the input-output and drive module 6; the external air source enters the system through the pressure regulating valve 7, and the pressure regulating valve 7 is responsible for adjusting the air source pressure so that the pressing pressure of the button cylinder 12 reaches the standard pressing pressure of the button; the pressure regulating valve 7 is connected to the double-control double-position solenoid valve 9, so that the compressed air passes through the electrically controlled double-control double-position solenoid valve 9 to achieve the control of tightening or releasing the compressed air; the pressure regulating valve 7 is connected to the six-connected solenoid valve 8, so that the compressed air passes through the electrically controlled six-connected solenoid valve 8 to achieve the button cylinder 1 2 control of extending compressed air; the double-control double-position solenoid valve 9 is respectively connected to the four fixed cylinders 11, the compressed air output port is tightened and connected to the compressed air inlet port of the fixed cylinder 11 for retracting, and the compressed air output port is released and connected to the compressed air inlet port of the fixed cylinder 11 for extending, so that the double-control double-position solenoid valve 9 can control the extension and retraction of the fixed cylinder 11; the No. 1-6 solenoid valves in the six-link solenoid valve 8 are respectively connected to the No. 1-6 button cylinders 12, so that the No. 1-6 solenoid valves can respectively control the extension and retraction of the No. 1-6 button cylinders 12.

[0040] The input port in the input / output and drive module 6 is an analog input, through which the on / off resistance of the button contacts on the button panel 15 can be detected, and the collected analog resistance is converted into a digital signal through a digital-to-analog conversion circuit and transmitted to the display module, and the serial port display screen in the display module displays the resistance; the output circuit in the input / output and drive module 6 is a classic inching circuit and a sequential start circuit controlled by a timer, and separate inching control and automatic sequential control can be performed through the buttons on the button panel 15; the output port in the input / output and drive module 6 is connected to the drive, and the output electrical signal can be amplified, thereby controlling the corresponding solenoid valve (including a six-connected solenoid valve 8 and a double-control double-position solenoid valve 9) and the 90° servo 10 to move; the drive in the input / output and drive module 6 is a power distribution and relay drive, which is responsible for power distribution and converting the output control signal into a high-power electrical control signal through a relay.

[0041] The utility model is a device suitable for detecting the button function and performance of a CRH5 type EMU passenger compartment lighting control panel. The device realizes constant pressure operation of the button device through electric control and pneumatic operation, and can realize real-time measurement of the on-off resistance value of the operated button contact. The utility model is suitable for performing button function test and performance detection on the passenger compartment lighting control panel of the CRH5 type EMU after maintenance. The device can automatically complete the pressing and rotating operations of buttons and switches, and automatically measure the on-off resistance value of the operated button contact and display it.

[0042] Compared with manual button pressing and single measurement with a multimeter, the utility model is suitable for the function and performance detection of the buttons of the CRH5 EMU passenger compartment light control panel, which can realize automatic constant pressure operation of the switches and buttons on the light control panel and automatically measure the on-off resistance of the corresponding contacts, thereby saving manpower and time and improving the accuracy of the measurement results.

[0043] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A device suitable for testing the function and performance of buttons on the CRH5 EMU passenger compartment light control panel, characterized in that: include: A bottom plate (1), a plurality of columns (2), a top plate (3), a plurality of buffer seats (4), a power module (5), an input / output and drive module (6), a pressure regulating valve (7), a six-link solenoid valve (8), a double-control two-position solenoid valve (9), a 90° steering gear (10), a fixed cylinder (11), six button cylinders (12), a button board support column (13), a switch operating handle (14) and a button panel (15); The bottom plate (1) and the top plate (3) are connected via a plurality of upright columns (2); the top plate (3) is provided with actuator installation positions corresponding to the buttons and switch positions on the passenger compartment lighting control panel of the CRH5 type EMU; a plurality of buffer seats (4) are arranged below the bottom plate (1); The button panel support column (13) and the switch operating handle (14) are respectively arranged on the top plate (3); the upper end of the button panel (15) is connected to the top plate (3), and the lower end is connected to the bottom plate (1); The power module (5) is connected to the input / output and drive module (6) and is responsible for providing a DC24V power supply to the input / output and drive module (6); The communication of the input / output and drive module (6) is connected to an external display unit, which is responsible for displaying the measured on / off resistance value of the device; the output of the input / output and drive module (6) is connected to a button panel (15), and the button panel (15) sends a control instruction to the output of the input / output and drive module (6); the drive of the input / output and drive module (6) is connected to a double-control double-position solenoid valve (9), and controls the action of the double-control double-position solenoid valve (9) through an electrical signal; the drive of the input / output and drive module (6) is also connected to a 90° steering gear (10), and controls the action of the 90° steering gear (10) through an electrical signal; the drive of the input / output and drive module (6) is also connected to a six-connected solenoid valve (8), and controls the action of solenoid valves No. 1 to No. 6 in the six-connected solenoid valve (8) through electrical signals; The input end of the electrical connector is connected to the input end of the input-output and drive module (6), and the electrical connector is also connected to the electrical connector of the passenger compartment lighting control panel of the CRH5 EMU, and the on-off resistance value of the button contact of the passenger compartment lighting control panel of the CRH5 EMU is fed back to the input end of the input-output and drive module (6); The external air source enters the system through the pressure regulating valve (7), and the pressure regulating valve (7) is responsible for adjusting the pressure of the external air source so that the pressing pressure of the button cylinder (12) reaches the standard pressing pressure of the button; the pressure regulating valve (7) is connected to the double-control double-position solenoid valve (9), so that the compressed air passes through the electrically controlled double-control double-position solenoid valve (9) to achieve the control of tightening or releasing the compressed air; the pressure regulating valve (7) is connected to the six-connected solenoid valve (8), so that the compressed air passes through the electrically controlled six-connected solenoid valve (8) to achieve the control of extending the compressed air of the six button cylinders (12); the double-control double The two-position solenoid valve (9) is respectively connected to the four fixed cylinders (11), the compressed air output port is connected to the compressed air inlet port of the fixed cylinder (11) for retracting, and the compressed air output port is connected to the compressed air inlet port of the fixed cylinder (11) for extending, so that the double-control two-position solenoid valve (9) controls the extension and retraction of the fixed cylinder (11); the solenoid valves No. 1 to No. 6 in the six-connected solenoid valve (8) are respectively connected to the six button cylinders (12), so that the solenoid valves No. 1 to No. 6 respectively control the extension and retraction of the six button cylinders (12).

2. The device for detecting the function and performance of the buttons on the light control panel in the passenger compartment of a CRH5 EMU according to claim 1 is characterized in that: The top plate (3) is provided with: a pressure regulating valve mounting hole (31), an electrical connector mounting hole (32), four fixed cylinder mounting holes (33), a steering gear mounting hole (34) for operating a rotary switch, six button cylinder mounting holes (35), four button plate support column mounting holes (36), and six column mounting holes (37).

3. The device for detecting the function and performance of the buttons on the light control panel in the passenger compartment of a CRH5 EMU according to claim 2 is characterized in that: The installation positions of the actuator components include: a fixed cylinder installation hole (33), a steering gear installation hole (34) for operating the rotary switch, a button cylinder installation hole (35) and a button board support column installation hole (36).

4. The device for detecting the function and performance of the buttons on the light control panel in the passenger compartment of a CRH5 EMU according to claim 1 is characterized in that: The output circuit in the input / output and drive module (6) is a jog circuit and a timer-controlled sequence start circuit, and the jog control and automatic sequence control are respectively performed through the buttons on the button panel (15).

5. The device for detecting the function and performance of the buttons on the light control panel in the passenger compartment of a CRH5 EMU according to claim 1 is characterized in that: The input port in the input / output and drive module (6) is an analog input, and the on / off resistance value of the button contact on the button panel (15) is detected through the analog input port. The collected analog resistance value is converted into a digital signal through a digital-to-analog conversion circuit and transmitted to the display module of the external display unit, and the serial port display screen in the display module displays the resistance value.

6. The device for detecting the function and performance of the buttons on the light control panel in the passenger compartment of a CRH5 EMU according to claim 1 is characterized in that: The output port in the input / output and drive module (6) is connected to the drive to amplify the output electrical signal and control the action of the double-control double-position solenoid valve (9) and / or the six-connected solenoid valve (8) and the 90° steering gear (10).

7. The device for detecting the function and performance of the buttons on the light control panel in the passenger compartment of a CRH5 EMU according to claim 1 is characterized in that: The driver in the input / output and drive module (6) is a power distribution and relay driver, which is responsible for power distribution and converting the output control signal into a high-power electrical control signal through a relay.

8. The device for detecting the function and performance of the buttons on the light control panel in the passenger compartment of a CRH5 EMU according to claim 1 is characterized in that: The power module (5) converts AC220V to DC24V.