High-voltage switching-on and switching-off device for insulation voltage-withstanding dielectric strength test

Abstract

The utility model discloses a high-voltage switching-on and switching-off device for an insulation voltage-withstanding dielectric strength test, and the device comprises a rotating disc which is rotatably arranged; the metal guide rod is arranged on the turntable and rotates along with the turntable, and contact terminals are arranged at the two ends of the metal guide rod; a first high-voltage positive input terminal and a first high-voltage negative input terminal, wherein a first high-voltage load resistance network is arranged between the first high-voltage positive input terminal and the first high-voltage negative input terminal; and a second high-voltage positive input terminal and a second high-voltage negative input terminal, and a second high-voltage load resistance network is arranged between the second high-voltage positive input terminal and the second high-voltage negative input terminal. According to the utility model, the appropriate resistance load network can be selected according to the input voltage to rapidly divide and adapt the load, and the flexibility, accuracy and safety of the insulation voltage-withstanding dielectric strength test are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to power device technical field especially relates to a kind of high-voltage dividing and combining devices of insulation withstand voltage dielectric strength test. BACKGROUND

[0002] Insulation withstand voltage test is a technical means for testing and evaluating the insulation withstand voltage capability of electrical equipment. The existing test high-voltage dividing and combining device can only use a single resistance load network according to the current voltage, and cannot adaptively select the appropriate resistance load network and combine the load according to the input voltage, resulting in reduced flexibility of insulation withstand voltage dielectric strength test, and also leading to reduced accuracy of the test. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of high-voltage dividing and combining devices of insulation withstand voltage dielectric strength test, to solve the existing technical problems.

[0004] To achieve the above purpose, the utility model provides a kind of high-voltage dividing and combining devices of insulation withstand voltage dielectric strength test, comprising:

[0005] A turntable is rotatably arranged;

[0006] A metal guide rod is arranged on the turntable and rotates with the turntable, and contact terminals are arranged at both ends of the metal guide rod;

[0007] A first high-voltage positive input terminal and a first high-voltage negative input terminal are provided, a first high-voltage load resistance network is arranged between the first high-voltage positive input terminal and the first high-voltage negative input terminal, and when the contact terminals at both ends of the metal guide rod are in contact with the first high-voltage positive input terminal and the first high-voltage negative input terminal, a load circuit is formed; and

[0008] A second high-voltage positive input terminal and a second high-voltage negative input terminal are provided, a second high-voltage load resistance network is arranged between the second high-voltage positive input terminal and the second high-voltage negative input terminal, and when the contact terminals at both ends of the metal guide rod are in contact with the second high-voltage positive input terminal and the second high-voltage negative input terminal, a load circuit is formed.

[0009] Further, in the initial state, the metal guide rod is located at a position 45 degrees away from the contact terminals of the first high-voltage load resistance network and the contact terminals of the second high-voltage load resistance network.

[0010] Further, the first high-voltage and the second high-voltage corresponding to the first high-voltage load resistance network and the second high-voltage load resistance network are different high-voltage inputs, and the corresponding load resistance networks are set to different load resistance values.

[0011] Further, the contact terminals of the first high-voltage load resistance network, the contact terminals of the second high-voltage load resistance network are equidistantly distributed around the rotating disc.

[0012] Further, the rotating disc is mounted on a rotating motor or a rudder motor, and the rotating angle of the rotating disc is controlled.

[0013] Further, the rotating disc is an insulating rotating disc.

[0014] The beneficial effects of the utility model are embodied in that:

[0015] The utility model discloses a kind of high-voltage combination and separation devices for insulation withstand voltage dielectric strength test, including: rotating disc 1, it is rotatably arranged; BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structure schematic diagram for the utility model.

[0017] Mark explanation:

[0018] 1, rotating disc;2, metal guide rod;21, contact terminal;3, first high-voltage positive input terminal;31, first high-voltage negative input terminal;32, first high-voltage load resistance network;4, second high-voltage positive input terminal;41, second high-voltage negative input terminal;42, second high-voltage load resistance network. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. In the case of no conflict, the embodiments in the application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0020] Please refer to Figure 1 The utility model provides a kind of high-voltage combination and separation devices for insulation withstand voltage dielectric strength test, including: rotating disc 1, it is rotatably arranged;

[0021] Metal guide rod 2 is located rotating disc 1, and rotate along with rotating disc 1, and metal guide rod 2 both ends are equipped with contact terminal 21;

[0022] The first high-voltage positive input terminal 3 and the first high-voltage negative input terminal 31 are provided with a first high-voltage load resistance network 32, and when the contact terminal 21 at both ends of the metal guide rod 2 contacts the first high-voltage positive input terminal 3 and the first high-voltage negative input terminal 31, a load loop is formed.

[0023] The second high-voltage positive input terminal 4 and the second high-voltage negative input terminal 41 are provided with a second high-voltage load resistance network 42, and when the contact terminal 21 at both ends of the metal guide rod 2 contacts the second high-voltage positive input terminal 4 and the second high-voltage negative input terminal 41, a load loop is formed.

[0024] The utility model discloses can select suitable resistance load network according to input voltage and quickly distribute and match load, and the flexibility, accuracy and safety of insulation withstand voltage dielectric strength test have been improved.

[0025] In an embodiment, in the initial state, the metal guide rod 2 is located at the position 45 degrees away from the contact terminals of the first high-voltage load resistance network 32 and the second high-voltage load resistance network 42. In this embodiment, when the corresponding load needs to be connected, the rotating disc 1 can drive the metal guide rod 2 to rotate to the corresponding side, and the response speed is fast.

[0026] In an embodiment, the first high-voltage and the second high-voltage corresponding to the first high-voltage load resistance network 32 and the second high-voltage load resistance network 42 are different high-voltage inputs, and the corresponding load resistance networks are provided with different load resistance values. In this embodiment, suitable resistance load network can be selected according to the input voltage to quickly distribute and match the load, and the flexibility, accuracy and safety of the insulation withstand voltage dielectric strength test are improved.

[0027] In an embodiment, the contact terminals of the first high-voltage load resistance network 32 and the second high-voltage load resistance network 42 are equidistantly distributed around the rotating disc 1. In this embodiment, the space layout is reasonable, and the structure is compact.

[0028] In an embodiment, the rotating disc 1 is installed on a rotating motor or a rudder, and the rotating angle is controlled.

[0029] In an embodiment, the rotating disc 1 is an insulating rotating disc. In this embodiment, the safety of the insulating material is higher.

[0030] It should be noted that if the embodiments of the utility model have directionality indications such as up, down, left, right, front, back, etc., the directionality indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain specific posture such as shown in the drawings, and if the specific posture changes, the directionality indications also change accordingly.

[0031] In addition, if the embodiments of the utility model have descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, "multiple" means more than two. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary technical personnel in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist.

[0032] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An insulation withstand voltage dielectric strength test high voltage opening and closing device, characterized by , comprising: a rotating disc (1) rotatably arranged; a metal guide rod (2) arranged on the rotating disc (1) and rotating with the rotating disc (1), the metal guide rod (2) being provided with contact terminals (21) at both ends; a first high-voltage positive input terminal (3) and a first high-voltage negative input terminal (31), a first high-voltage load resistance network (32) being arranged between the first high-voltage positive input terminal (3) and the first high-voltage negative input terminal (31), the contact terminals (21) at both ends of the metal guide rod (2) being in contact with the first high-voltage positive input terminal (3) and the first high-voltage negative input terminal (31) to form a load circuit; and a second high-voltage positive input terminal (4) and a second high-voltage negative input terminal (41), a second high-voltage load resistance network (42) being arranged between the second high-voltage positive input terminal (4) and the second high-voltage negative input terminal (41), the contact terminals (21) at both ends of the metal guide rod (2) being in contact with the second high-voltage positive input terminal (4) and the second high-voltage negative input terminal (41) to form a load circuit.

2. The high voltage opening and closing device for insulation and voltage withstand dielectric strength test according to claim 1, characterized in that: In the initial state, the metal guide rod (2) is located at a position 45 degrees away from the contact terminals of the first high-voltage load resistance network (32) and the contact terminals of the second high-voltage load resistance network (42).

3. The high voltage opening and closing device for insulation and voltage withstand dielectric strength test according to claim 1, characterized in that: The first high-voltage and the second high-voltage corresponding to the first high-voltage load resistance network (32) and the second high-voltage load resistance network (42) are different high-voltage inputs, and the corresponding load resistance networks are provided with different load resistance values.

4. The high voltage opening and closing device for insulation and voltage withstanding dielectric strength test according to claim 1, characterized in that: The contact terminals of the first high-voltage load resistance network (32) and the contact terminals of the second high-voltage load resistance network (42) are equidistantly distributed around the rotating disc (1).

5. The high voltage opening and closing device for insulation and voltage withstanding dielectric strength test according to claim 1, characterized in that: The rotating disc (1) is mounted on a rotating motor or a rudder, and the rotating angle thereof is controlled.

6. The high voltage opening and closing device for insulation and voltage withstanding dielectric strength test according to claim 1, characterized in that: The rotating disc (1) is an insulating rotating disc.

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