CN-224231938-U - Motor train unit headlamp power supply test equipment

Abstract

The utility model discloses a motor train unit headlamp power supply testing device which comprises a detection power supply, a voltage display meter, an external plug, a function switch, detection light lamps and signal lamps, wherein the detection power supply is connected with the function switch through the power switch, the detection light lamps or the signal lamps are respectively connected with the function switch through corresponding power supply circuits, the voltage display meter is arranged on each power supply circuit to detect the voltage of the power supply circuit, and a headlamp combination power supply to be tested is connected with the power supply circuits through the external plug.

Inventors

• XIE SONGBAI
• CHEN XIANGWANG
• YANG SHAOJUN
• LIAO KUN
• CHEN WEIFA
• ZHOU QING
• GUO JINLONG
• GAO YANCAI
• SUN TIANMING
• WU SIWEI

Assignees

• 中国铁路广州局集团有限公司广州动车段

Dates

Publication Date

20260512

Application Date

20250520

Claims (10)

1. 1. The utility model provides a EMUs head lamp power test equipment, its characterized in that, including detecting power, voltage display table, external plug, function switch, detection light and signal lamp, detect the power pass through switch with each function switch connects, each detect light or the signal lamp respectively through corresponding power supply circuit with function switch connects, all be provided with on the power supply circuit voltage display table in order to detect power supply circuit's voltage, the head lamp combination power that awaits measuring passes through external plug all is connected with each power supply circuit.
2. 2. The motor train unit headlamp power supply testing device of claim 1, further comprising a case, wherein the voltage display meter, the function switch and the detection light are all disposed on an operation panel at a front end of the case.
3. 3. The motor train unit headlamp power supply testing device as claimed in claim 2, wherein four xenon lamp mounting grooves are provided on the operation panel, the detection lamps are detachably mounted in the corresponding xenon lamp mounting grooves to realize connection of the detection lamps and the corresponding power supply circuits, the xenon lamp mounting grooves are arranged on the operation panel along a straight line, a voltage display meter is correspondingly provided below the xenon lamp mounting grooves, and the voltage display meter is connected with the power supply circuits corresponding to the xenon lamp mounting grooves.
4. 4. The motor train unit headlamp power supply test apparatus as set forth in claim 3, wherein the detection light includes a right low beam light, a right high beam light, a left high beam light and a left low beam light, the voltage display meter includes a right low beam light voltmeter, a right high beam light voltmeter, a left high beam light voltmeter and a left low beam light voltmeter, the right low beam light and the right low beam light voltmeter, the right high beam light and the right high beam light voltmeter, the left high beam light and the left high beam light voltmeter, the left low beam light and the left low beam light voltmeter are all connected correspondingly by a circuit.
5. 5. The motor train unit headlamp power supply testing device of claim 3, wherein a signal lamp connecting plug is further arranged on the side wall of the box body, the signal lamp is arranged in a signal lamp box, and the signal lamp is connected with the signal lamp connecting plug through a signal connecting wire.
6. 6. The motor train unit headlamp power supply testing device of claim 5, wherein the signal lamp comprises a white signal lamp and a red signal lamp, the voltage display meter further comprises a white signal lamp voltmeter and a red signal lamp voltmeter, the white signal lamp and the white signal lamp voltmeter, the red signal lamp and the red signal lamp voltmeter are correspondingly arranged, and the white signal lamp voltmeter and the red signal lamp voltmeter are both arranged on the operation panel.
7. 7. The motor train unit headlamp power supply test apparatus of claim 6, wherein the function switch includes a signal lamp operation button, a near-far light operation button, and a signal lamp switch button, the signal lamp operation button, the near-far light operation button, and the signal lamp switch button are all provided on the operation panel, the signal lamp operation button and the signal lamp switch button are provided on the power supply circuit corresponding to the signal lamp, the near-far light operation button is provided on the power supply circuit corresponding to the detection light, the signal lamp switch button controls on and off of power supply to the signal lamp, the signal lamp operation button is used for switching power supply to each signal lamp, and the near-far light operation button is used for switching power supply to each detection light.
8. 8. The motor train unit headlamp power supply testing device of claim 5, wherein a heat radiation fan for radiating heat inside the signal lamp box is further arranged on the signal lamp box.
9. 9. The motor train unit headlamp power supply testing device of claim 2, wherein the rear end face of the machine box is provided with supporting feet, and the external plug and the power switch are arranged on the side face of the machine box.
10. 10. The motor train unit headlamp power supply testing device of claim 2, wherein the operation panel is detachably connected to the housing by bolts, and a heat radiation hole for radiating heat inside the housing is provided on a side surface of the housing.

Description

Motor train unit headlamp power supply test equipment Technical Field The utility model relates to the technical field of motor train unit lighting systems, in particular to motor train unit headlamp power supply testing equipment. Background When the motor train unit headlamp combination power supply fails, faults such as dimming or non-lighting of high and low beam lamps and signal lamps of the motor train unit can be caused, and the safe operation of the motor train unit is seriously affected. The interior of the existing motor train unit headlamp combined power supply mainly comprises a plurality of independent power supply modules, the combined power supply modes are basically consistent, 110V direct current supplied by a motor train unit is reduced to voltage required by lamplight, and the voltage required by lamplight is respectively supplied to left and right far lights and signal lights of the motor train unit, wherein each independent power supply module is not affected by each other and can work independently, when one of the power supply modules fails, the power supply module can be replaced independently, small modules can be maintained independently, and extremely high maintainable space is provided. However, when the motor train unit headlamp combination power supply fails, the power supply module with specific failure cannot be directly known, the motor train unit headlamp combination power supply still needs to be integrally replaced by the existing method, the failure module is determined by detaching each power supply module and independently detecting the power supply module, the maintenance workload is large, and meanwhile, the damage to other normal modules is easily caused by integral detachment. In view of the above drawbacks, the present inventors have finally achieved the present utility model through long-time studies and practices. Disclosure of utility model In order to solve the technical defects, the technical scheme adopted by the utility model is that the power supply testing equipment for the motor train unit head lamp comprises a detection power supply, a voltage display meter, an external plug, a function switch, detection light lamps and signal lamps, wherein the detection power supply is connected with the function switch through the power switch, the detection light lamps or the signal lamps are respectively connected with the function switch through corresponding power supply circuits, the voltage display meter is arranged on each power supply circuit to detect the voltage of the power supply circuit, and a head lamp combined power supply to be tested is connected with the power supply circuits through the external plug. Preferably, the motor train unit headlamp power supply testing device further comprises a machine box body, and the voltage display meter, the function switch and the detection light lamp are all arranged on an operation panel at the front end of the machine box body. Preferably, four xenon lamp mounting grooves are formed in the operation panel, the detection light lamps are detachably mounted in the corresponding xenon lamp mounting grooves to achieve connection of the detection light lamps and the corresponding power supply circuits, the xenon lamp mounting grooves are arranged on the operation panel along a straight line, a voltage display meter is correspondingly arranged below the xenon lamp mounting grooves, and the voltage display meter is connected with the power supply circuits corresponding to the xenon lamp mounting grooves. Preferably, the detection light comprises a right dipped headlight, a right high beam, a left high beam and a left dipped headlight, the voltage display meter comprises a right dipped headlight voltmeter, a right high beam voltmeter, a left high beam voltmeter and a left dipped headlight voltmeter, the right dipped headlight and the right dipped headlight voltmeter, the right high beam and the right high beam voltmeter, the left high beam and the left high beam voltmeter, the left dipped headlight and the left dipped headlight voltmeter are correspondingly connected through a circuit. Preferably, a signal lamp connecting plug is further arranged on the side wall of the case body, the signal lamp is arranged in the signal lamp box, and the signal lamp is connected with the signal lamp connecting plug through a signal connecting wire. Preferably, the signal lamp comprises a white signal lamp and a red signal lamp, the voltage display meter further comprises a white signal lamp voltmeter and a red signal lamp voltmeter, the white signal lamp and the white signal lamp voltmeter, the red signal lamp and the red signal lamp voltmeter are correspondingly arranged, and the white signal lamp voltmeter and the red signal lamp voltmeter are arranged on the operation panel. Preferably, the function switch comprises a signal lamp operating button, a near-far light operating button and a signal lamp switch button, wherein the signal