Testing device for high-voltage live display

By designing the hard connection pipe and universal wheel structure between the high-voltage cabinet and the test cabinet, the problem of safe distance between the high-voltage live display test device during movement is solved, and a high-voltage test device that is convenient for movement and safety is realized.

CN223166818UActive Publication Date: 2025-07-29FUJIAN ZHONGDIAN HECHUANG POWER TECH CO LTD +1
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Patent Information

Application Number
CN202421298617.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-07-29
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing high-voltage charged display testing device is difficult to maintain a safe distance between the high-voltage part and the operating test part during movement, and the equipment is bulky and inconvenient to move.

Method used

A test device including a high-voltage cabinet and a test cabinet is designed, connected by a hard connecting pipe, the length of the connecting pipe is greater than the safe distance of the high-voltage, and a universal wheel is installed at the bottom of the cabinet to ensure that the safe distance is maintained during movement, and voltage sensing and testing are used to use induction and contact sensors.

Benefits of technology

The safe distance between the high-voltage part and the operation test part is achieved during the movement, and the device is miniaturized and easy to move, providing high-voltage safety guarantee.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of high-voltage live display testing, in particular to a testing device of a high-voltage live display, which comprises a high-voltage cabinet and a testing cabinet, the testing cabinet is positioned on one side of the high-voltage cabinet, the testing cabinet is connected with the high-voltage cabinet through a connecting pipe, and universal wheels are arranged at the bottom of the high-voltage cabinet and the bottom of the testing cabinet. The connecting pipe is a hard pipe, and the length of the connecting pipe is greater than the high-voltage safety distance of the high-voltage cabinet, so that the safety distance between the high-voltage part and the operation test part can be always kept in the moving process; according to the scheme, the cabinet design of the high-voltage and test components achieves the effects of small size and convenient movement, and the split design of the high-voltage cabinet and the test cabinet provides guarantee for the high-voltage safety distance.
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Description

Technical Field

[0001] The utility model relates to the technical field of high - voltage live display testing, and particularly relates to a testing device for a high - voltage live display. Background Art

[0002] The high - voltage live displays supporting high - voltage ring main units, whether contact - type or induction - type, are used to detect the live conditions of three - phase high - voltage in a high - voltage environment. When producing live displays, a high - voltage test environment needs to be built to test the three - phase detection performance of the live displays; generally, manufacturers will build a simulated high - voltage test site environment and test the high - voltage live displays by simulating the way of live equipment on - site. The specific steps are as follows: (1) Simulate a corresponding voltage - level incoming or outgoing line interval at the substation site; (2) Install the live display (including sensors and their signal cable input wiring, etc.) to the corresponding position; (3) Output a high - voltage of the corresponding voltage level through a voltage regulating device and a step - up transformer (high - voltage generator); (4) Calibrate the high - voltage live display and adjust the sensitivity of the high - voltage live display to the most appropriate position to ensure that the high - voltage live display shows live and reliably locks when the line is live, and shows no - live and unlocks when the line is dead. This method has heavy test equipment, requires a separate simulated test space, is not convenient to move, and special attention needs to be paid to the danger of high - voltage during operation; however, how to ensure that a safe distance can always be maintained between the high - voltage cabinet and the test machine during the moving process without subsequent adjustment is a problem worthy of research. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is: to provide a testing device for a high - voltage live display, which can always maintain a safe distance between the high - voltage part and the operation and testing part during the moving process.

[0004] To solve the above - mentioned technical problem, the technical solution adopted by the utility model is:

[0005] A testing device for a high - voltage live display, comprising a high - voltage cabinet and a test cabinet. The high - voltage cabinet generates a low - voltage induction signal and transmits it to a test port on the test cabinet for testing the high - voltage live display. The test cabinet is located on one side of the high - voltage cabinet. The test cabinet and the high - voltage cabinet are connected by a connecting pipe. The connecting pipe is a rigid pipe, and the length of the connecting pipe is greater than the high - voltage safety distance of the high - voltage cabinet. Universal wheels are provided at the bottom of both the high - voltage cabinet and the test cabinet.

[0006] Further, soft bellows are respectively connected to opposite ends of the connecting pipe, and the connecting pipe is connected to the high - voltage cabinet and the test cabinet through the soft bellows respectively.

[0007] Further, a high-voltage generator, a high-voltage busbar, and a live sensor for reading the voltage on the high-voltage busbar are provided inside the high-voltage cabinet. A voltage regulator is provided on the test cabinet. The high-voltage generator is electrically connected to the high-voltage busbar and the voltage regulator respectively, and the live sensor is electrically connected to the test port on the test cabinet.

[0008] Further, the live sensor is an inductive sensor, and the inductive sensor is disposed opposite to the high-voltage busbar with a spacing therebetween.

[0009] Further, a sliding rod is slidably connected between the inner side walls of the high-voltage cabinet, and the inductive sensor is mounted on the sliding rod.

[0010] Further, the live sensor is a contact sensor, and one end of the contact sensor is connected to the high-voltage busbar.

[0011] Further, a mounting plate is provided between the inner side walls of the high-voltage cabinet, and the contact sensor is mounted on the mounting plate.

[0012] Further, the wiring between the high-voltage cabinet and the test cabinet is located inside a flexible corrugated pipe.

[0013] The beneficial effects of the present utility model are as follows:

[0014] In this solution, by providing a high-voltage cabinet and a test cabinet, the test cabinet is located on one side of the high-voltage cabinet. The test cabinet and the high-voltage cabinet are connected by a connecting pipe. Universal wheels are provided at the bottoms of both the high-voltage cabinet and the test cabinet. Since the connecting pipe is a rigid pipe and the length of the connecting pipe is greater than the high-voltage safety distance of the high-voltage cabinet, the safety distance between the high-voltage part and the operation test part can be always maintained during the movement process; in this solution, the cabinet-mounted design of the high-voltage and test components achieves the effects of small volume and easy movement, and the split design of the high-voltage cabinet and the test cabinet provides a guarantee for the high-voltage safety distance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a test device for a high-voltage live display according to the present utility model;

[0016] Figure 2 is a schematic structural diagram of the high-voltage cabinet according to the present utility model;

[0017] Figure 3 is a schematic structural diagram of the high-voltage cabinet according to the present utility model;

[0018] Figure 4 is a schematic structural diagram of the test cabinet according to the present utility model;

[0019] Figure 5 is according to the present utility model Figure 4Top view structural schematic diagram;

[0020] Label description:

[0021] 1. High-voltage cabinet; 101. High-voltage generator; 102. High-voltage busbar; 103. Live sensor; 1031. Inductive sensor; 1032. Contact sensor; 104. Sliding rod; 105. Mounting plate; 2. Test cabinet; 201. Voltage regulator; 202. Main body of the test table; 203. Table cover; 204. Live indicator light; 205. Operation switch; 206. Test lead opening; 3. Connecting pipe; 4. Universal wheel. Specific implementation manner

[0022] To describe in detail the technical content, achieved purpose and effects of the present utility model, the following is described in conjunction with the implementation manners and with reference to the drawings.

[0023] Please refer to Figure 1 , the technical solution adopted by the present utility model is:

[0024] A test device for a high-voltage live display, comprising a high-voltage cabinet and a test cabinet. The high-voltage cabinet generates a low-voltage induction signal and transmits it to a test port on the test cabinet for testing the high-voltage live display. The test cabinet is located on one side of the high-voltage cabinet. The test cabinet and the high-voltage cabinet are connected by a connecting pipe. The connecting pipe is a rigid pipe, and the length of the connecting pipe is greater than the high-voltage safety distance of the high-voltage cabinet. Universal wheels are provided at the bottom of the high-voltage cabinet and the bottom of the test cabinet.

[0025] It can be seen from the above description that the beneficial effects of the present utility model are:

[0026] In this solution, by setting a high-voltage cabinet and a test cabinet, the test cabinet is located on one side of the high-voltage cabinet. The test cabinet and the high-voltage cabinet are connected by a connecting pipe. Universal wheels are provided at the bottom of the high-voltage cabinet and the bottom of the test cabinet. Since the connecting pipe is a rigid pipe and the length of the connecting pipe is greater than the high-voltage safety distance of the high-voltage cabinet, the safety distance between the high-voltage part and the operation and test part can be always maintained during the movement process; in this solution, the cabinet-mounted design of the high-voltage and test components achieves the effects of small volume and easy movement, and the split design of the high-voltage cabinet and the test cabinet provides guarantee for the high-voltage safety distance.

[0027] Furthermore, soft bellows are respectively connected to the opposite ends of the connecting pipe, and the connecting pipe is connected to the high-voltage cabinet and the test cabinet respectively through the soft bellows.

[0028] It can be seen from the above description that the connecting pipe is connected to the high-voltage cabinet and the test cabinet respectively through the soft bellows, which can ensure the flexibility of the movement between the test cabinet and the high-voltage cabinet.

[0029] Further, a high-voltage generator, a high-voltage busbar, and a live sensor for reading the voltage on the high-voltage busbar are provided inside the high-voltage cabinet. A voltage regulator is provided on the test cabinet. The high-voltage generator is electrically connected to the high-voltage busbar and the voltage regulator respectively, and the live sensor is electrically connected to the test port on the test cabinet.

[0030] As can be seen from the above description, the voltage regulator provides a low voltage to the high-voltage generator. The high-voltage generator converts the low voltage into a high voltage and transmits it to the high-voltage busbar. The live sensor reads the voltage on the high-voltage busbar and generates a low-voltage induction signal to transmit to the test port on the test cabinet. The test port of the high-voltage live display is electrically connected to the test port on the test cabinet, so that the test of the high-voltage live display can be realized.

[0031] Further, the live sensor is an inductive sensor. The inductive sensor is disposed opposite to the high-voltage busbar with a spacing therebetween.

[0032] Further, a sliding rod is slidably connected between the inner side walls of the high-voltage cabinet, and the inductive sensor is mounted on the sliding rod.

[0033] As can be seen from the above description, the inductive sensor is mounted on the sliding rod, so that different inductive sensors can be moved according to the actual induction situation, and the applicable range is wider.

[0034] Further, the live sensor is a contact sensor, and one end of the contact sensor is connected to the high-voltage busbar.

[0035] Further, a mounting plate is provided between the inner side walls of the high-voltage cabinet, and the contact sensor is mounted on the mounting plate.

[0036] Further, the wiring between the high-voltage cabinet and the test cabinet is located inside the connecting pipe.

[0037] Please refer to Figures 1 to 5 , Embodiment 1 of the present utility model is:

[0038] Please refer to Figures 1 to 5 , A test device for a high-voltage live display, including a high-voltage cabinet 1 and a test cabinet 2. The high-voltage cabinet 1 generates a low-voltage induction signal and transmits it to the test port on the test cabinet 2 for the test of the high-voltage live display. The test cabinet 2 is located on one side of the high-voltage cabinet 1. The test cabinet 2 and the high-voltage cabinet 1 are connected by a connecting pipe 3. The connecting pipe 3 is a rigid pipe. The length of the connecting pipe 3 is greater than the high-voltage safety distance of the high-voltage cabinet 1. Universal wheels 4 are provided at the bottoms of both the high-voltage cabinet 1 and the test cabinet 2.

[0039] Soft bellows are respectively connected to opposite ends of the connecting pipe 3, and the connecting pipe 3 is connected to the high-voltage cabinet 1 and the test cabinet 2 through soft bellows respectively.

[0040] Please refer to Figure 2 and Figure 3 , a high-voltage generator 101, a high-voltage busbar 102, and a live sensor 103 for reading the voltage on the high-voltage busbar 102 are provided inside the high-voltage cabinet 1, a voltage regulator 201 is provided on the test cabinet 2, the high-voltage generator 101 is electrically connected to the high-voltage busbar 102 and the voltage regulator 201 respectively, the live sensor 103 is electrically connected to the test port on the test cabinet 2, and universal wheels 4 are provided at the bottoms of both the high-voltage cabinet 1 and the test cabinet 2.

[0041] Please refer to Figure 2 , the live sensor 103 is an inductive sensor 1031, the inductive sensor 1031 is disposed opposite to the high-voltage busbar 102 with a spacing therebetween.

[0042] Please refer to Figure 2 and Figure 3 , a sliding rod 104 is slidably connected between the inner side walls of the high-voltage cabinet 1, and the inductive sensor 1031 is mounted on the sliding rod 104.

[0043] Please refer to Figure 2 , the live sensor 103 is a contact sensor 1032, and one end of the contact sensor 1032 is connected to the high-voltage busbar 102.

[0044] Please refer to Figure 2 and Figure 3 , a mounting plate 105 is provided between the inner side walls of the high-voltage cabinet 1, and the contact sensor 1032 is mounted on the mounting plate 105.

[0045] Please refer to Figures 2 to 4 , the number of the universal wheels 4 provided on both the high-voltage cabinet 1 and the test cabinet 2 is four, and they are respectively distributed at the four right angles at the bottom of the cabinet body.

[0046] Please refer to Figure 4 , the test cabinet 2 includes a test table main body 202 and a table cover 203, and the table cover 203 is connected to the test table main body 202 through a hinge and can be opened and closed.

[0047] Please refer to Figure 5 , a live indicator light 204 and an operation switch 205 are mounted on the table cover 203, a test lead opening 206 is also provided, the test port of the test cabinet 2 is arranged in the test lead opening 206, and the voltage regulator 201 is mounted on the table cover 203.

[0048] Please refer toFigure 2 In this embodiment, the numbers of the high-voltage generator 101, the high-voltage busbar 102, and the voltage regulator 201 are all three. The input end of one high-voltage generator 101 is correspondingly connected to one voltage regulator 201, and the output end of one high-voltage generator 101 is correspondingly connected to one high-voltage busbar 102.

[0049] The number of the live sensors 103 is also three. One high-voltage busbar 102 is correspondingly configured with one live sensor 103.

[0050] The voltage regulator 201 provides a low voltage to the high-voltage generator 101. The high-voltage generator 101 converts the low voltage into a high voltage and transmits it to the high-voltage busbar 102. The live sensor 103 reads the voltage on the high-voltage busbar 102 and generates a low-voltage induction signal to be transmitted to the test port on the test cabinet 2. The test port of the high-voltage live display is electrically connected to the test port on the test cabinet 2, so that the test of the high-voltage live display can be realized.

[0051] The wiring between the high-voltage cabinet and the test cabinet is all located in the connecting pipe 3. Among them, the connection line between the live sensor and the test port on the test cabinet is separately wrapped with aluminum foil in the connecting pipe 3.

[0052] In summary, a test device for a high-voltage live display provided by the present invention. In this solution, a high-voltage cabinet and a test cabinet are provided. The test cabinet is located on one side of the high-voltage cabinet. The test cabinet and the high-voltage cabinet are connected through a connecting pipe. Universal wheels are provided at the bottoms of both the high-voltage cabinet and the test cabinet. Since the connecting pipe is a rigid pipe and the length of the connecting pipe is greater than the high-voltage safety distance of the high-voltage cabinet, the safety distance between the high-voltage part and the operation test part can be always maintained during the movement process; in this solution, the cabinet-mounted design of the high-voltage and test components achieves the effects of small volume and easy movement, and the split design of the high-voltage cabinet and the test cabinet provides a guarantee for the high-voltage safety distance.

[0053] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. All equivalent transformations made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in the related technical fields, are equally included in the patent protection scope of the present invention.

Claims

1. A test device for a high-voltage live display, characterized in that, It includes a high-voltage cabinet and a test cabinet. The high-voltage cabinet generates a low-voltage induction signal and transmits it to the test port on the test cabinet for the test of the high-voltage live display. The test cabinet is located on one side of the high-voltage cabinet. The test cabinet and the high-voltage cabinet are connected by a connecting pipe. The connecting pipe is a rigid pipe. The length of the connecting pipe is greater than the high-voltage safety distance of the high-voltage cabinet. Universal wheels are provided at the bottoms of both the high-voltage cabinet and the test cabinet.

2. The test device for a high-voltage live display according to claim 1, characterized in that Soft bellows are respectively connected to the opposite ends of the connecting pipe. The connecting pipe is connected to the high-voltage cabinet and the test cabinet respectively through the soft bellows.

3. The test device for a high-voltage live display according to claim 1, characterized in that, A high-voltage generator, a high-voltage busbar and a live sensor for reading the voltage on the high-voltage busbar are provided inside the high-voltage cabinet. A voltage regulator is provided on the test cabinet. The high-voltage generator is electrically connected to the high-voltage busbar and the voltage regulator respectively. The live sensor is electrically connected to the test port on the test cabinet.

4. The test device for a high-voltage live display according to claim 3, characterized in that, The live sensor is an inductive sensor. The inductive sensor is arranged opposite to the high-voltage busbar with a spacing therebetween.

5. The test device for a high-voltage live display according to claim 4, characterized in that A sliding rod is slidably connected between the inner side walls of the high-voltage cabinet. The inductive sensor is installed on the sliding rod.

6. The test device for a high-voltage live display according to claim 3, characterized in that The live sensor is a contact sensor. One end of the contact sensor is connected to the high-voltage busbar.

7. The test device for a high-voltage live display according to claim 6, characterized in that, An installation plate is provided between the inner side walls of the high-voltage cabinet. The contact sensor is installed on the installation plate.

8. The test device for a high-voltage live display according to claim 1, characterized in that The wiring between the high-voltage cabinet and the test cabinet is all located inside the connecting pipe.