High-voltage test lead bushing cabin penetrating structure

Abstract

The utility model is suitable for the technical field of electrical tests, and provides a high-voltage test lead bushing cabin-penetrating structure, which comprises a cabin-penetrating base body, a bushing and a sleeve, a bolt; the sealing ring is arranged on the outer side of the sleeve; an epoxy cover plate is pressed on the outer side of the silicone rubber pad in a covering manner; the sleeve mounting flange is sleeved and fixed on the sleeve; the sleeve mounting flange and the sleeve outdoor end are sealed and blocked by a silicone rubber pad; and the transition mounting steel plate is arranged between the sleeve and the sleeve mounting flange and is respectively connected with the sleeve mounting flange and the sleeve through two-stage bolts. According to the utility model, the requirement that a high-voltage test system and an artificial environment test room are connected together to form an electrical test system loop can be met, the problems of possible air leakage and the like of the environment test room are solved, the influence of a cold bridge is reduced, the supporting structure is firm, and the requirements of electrical safety clearance and insulation distance during an insulation test can be met; and the phenomena of insufficient insulating strength and damage to electrical equipment are avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of electrical testing, and in particular relates to a high-voltage test lead casing cabin penetration structure. Background Art

[0002] With the rapid development of the domestic plateau electrical appliance industry, the technical research and development and equipment manufacturing of plateau electrical appliances are becoming increasingly urgent. The existing low-voltage electrical test laboratories in China cannot meet the needs of plateau electrical appliance research and development. It is necessary to build an artificial environment high-voltage insulation test laboratory to conduct research, testing and product development of plateau electrical products and complete sets of equipment, and provide support for the research on relevant standards for plateau electrical products and the development of plateau electrical products.

[0003] The artificial environment test room involves a total of 15 working conditions involving the mixed adjustment of three parameters of ambient temperature, pressure and humidity (temperature +50~-45℃, pressure 0.1~0.042MPa, i.e. altitude 0~7000m, humidity 50~95%). The combination of each working condition requires the stable design value to be achieved, the deviation should be within the normal range, and the simulated environmental parameters should not have alternating working conditions, etc. These high standards are required. Since the electrical test system in the artificial environment test room is a high voltage test, the wiring of its test circuit system must be introduced from the outdoors to the environmental simulation room. At this time, there is a physical connection between the indoor and outdoor. When conducting a low temperature test, the copper busbar of the high-voltage bushing becomes a cold bridge connecting the inside and the outside. The ambient temperature in the tank is affected by the outdoors, and this influence is inevitable. For this reason, a high-voltage test lead bushing through-cabin structure is proposed to minimize this influence. Utility Model Content

[0004] The utility model aims to provide a high-voltage test lead casing cabin penetration structure, aiming to solve the problems raised in the above-mentioned background technology.

[0005] The utility model is implemented in this way: a high-voltage test lead bushing penetration structure includes a penetration base and a bushing, and also includes:

[0006] A sleeve is sleeved on the sleeve and fixedly connected to the tank body;

[0007] bolt;

[0008] A sealing ring, arranged on the outside of the sleeve;

[0009] A silicone rubber pad, the outer side of which is covered with an epoxy cover plate;

[0010] The casing installation flange is mounted on and fixed to the casing; a silicone rubber pad is used to seal the casing installation flange and the outdoor end of the casing.

[0011] The transition mounting steel plate is arranged between the sleeve and the casing mounting flange, and is respectively connected to the casing mounting flange and the sleeve through two-stage bolts.

[0012] Furthermore, a mounting steel plate is fixedly connected to the cabin penetration base by means of bolts, and the mounting steel plate is fixed to the test room partition wall or the tank wall by means of bolts.

[0013] Furthermore, the silicone rubber pad extends 100 mm beyond the epoxy cover plate.

[0014] Furthermore, both ends of the bolt are filled with silicone.

[0015] Furthermore, a reinforcement plate is provided between the sleeve and the tank body.

[0016] Furthermore, a pressure gauge and a needle valve are provided on the cover plate of the sleeve.

[0017] Furthermore, the transition installation steel plate includes two Q235A steel plates, and the opening size of the transition installation steel plate is compatible with the opening diameter of the sleeve, the opening diameter of the casing installation flange and the maximum diameter of the casing when passing through the wall.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. The utility model can meet the requirements of connecting a high voltage test system with an artificial environment test chamber to form an electrical test system circuit, solves the problem of possible air leakage in the environmental test chamber, reduces the influence of cold bridges, and has a firm supporting structure, which can meet the requirements of electrical safety clearance and insulation distance during insulation testing, avoiding the phenomenon of insufficient insulation strength and damage to electrical equipment.

[0020] 2. The production technology of the parts used in the utility model is mature, the corresponding mechanical or dielectric properties are excellent, the production cost is low, and it is suitable for large-scale production and promotion. In addition, the parts processing method is simple, and the overall installation method is easy to achieve, which can meet the actual engineering needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the high-voltage test lead bushing penetrating the cabin.

[0022] Figure 2 This is a schematic diagram of the structure of the transition installation steel plate in the high-voltage test lead bushing penetration structure.

[0023] In the figure: 1-reinforcement plate, 2-sealing ring, 3-bolt, 4-sleeve, 5-casing mounting flange, 6-casing, 7-transition mounting steel plate, 8-pressure gauge, 9-silicon rubber pad, 10-mounting steel plate, 11-tank body. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0025] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0026] like Figure 1 and Figure 2 As shown, a high-voltage test lead bushing penetration structure provided by an embodiment of the utility model includes a penetration base and a bushing 6, and also includes:

[0027] The sleeve 4 is sleeved on the sleeve 6 and fixedly connected to the tank body 11;

[0028] Bolt 3;

[0029] A sealing ring 2 is arranged outside the sleeve 4;

[0030] A silicone rubber pad 9, the outer side of the silicone rubber pad 9 is covered with an epoxy cover plate;

[0031] The casing installation flange 5 is sleeved and fixed on the casing 6; the casing installation flange 5 and the outdoor end of the casing 6 are sealed with a silicone rubber gasket 9.

[0032] The transition mounting steel plate 7 is arranged between the sleeve 4 and the sleeve mounting flange 5, and is connected to the sleeve mounting flange 5 and the sleeve 4 respectively through two-stage bolts 3.

[0033] In the embodiment of the utility model, the sealing ring 2 plays a sealing role. The silicone rubber pad 9 is used for sealing and plugging, and its outer side is covered with an epoxy cover plate, which provides double sealing protection. The transition mounting steel plate 7 is located between the sleeve mounting flange 5 and the sleeve 4, and is connected by two-stage bolts 3, which provides structural support and force transmission. During the installation, the sleeve 6 is horizontally placed in the opening on the cover plate of the sleeve 4, and the sleeve mounting flange 5 is fixed to the transition mounting steel plate 7 by bolts 3. The transition mounting steel plate 7 is fixed to the flange on the sleeve 4 by bolts 3, and the sleeve 6 and the sleeve mounting flange 5 are sealed with the silicone rubber pad 9 and the epoxy cover plate.

[0034] The weight of the casing through-cabin structure does not exceed 2t, the main body is about 6000mm long, and the maximum outer diameter is about 1075mm; the diameter of the transition installation steel plate 7 is about 1075mm. The diameter of the casing installation flange 5 cover plate is about 500mm, and there are M16 flange fixing bolt holes evenly distributed around it with a spacing of 100mm, which are connected with the transition installation steel plate 7 with bolts 3.

[0035] like Figure 1As shown, as a preferred embodiment of the utility model, a mounting steel plate 10 is fixedly connected to the cabin penetration base by bolts 3, and the mounting steel plate 10 is fixed to the laboratory partition wall or the tank wall by bolts 3.

[0036] In the embodiment of the utility model, the penetration matrix connects the casing penetration structure with the partition wall or tank wall of the artificial environment test chamber, mainly to achieve a stable transition structure and facilitate installation and maintenance.

[0037] like Figure 1 As shown, as a preferred embodiment of the present utility model, the silicone rubber pad 9 is 100 mm longer than the epoxy cover plate.

[0038] In the embodiment of the utility model, a sufficient sealing length is ensured through the above arrangement.

[0039] like Figure 1 As shown, as a preferred embodiment of the present invention, both ends of the bolt 3 are filled with silicone to achieve a sealing effect.

[0040] like Figure 1 As shown, as a preferred embodiment of the utility model, a reinforcement plate 1 is provided between the sleeve 4 and the tank body 11 .

[0041] In the embodiment of the utility model, the above arrangement is used to enhance the structural strength.

[0042] like Figure 1 As shown, as a preferred embodiment of the present utility model, a pressure gauge 8 and a needle valve are provided at the cover plate of the sleeve 4.

[0043] In the embodiment of the utility model, the pressure gauge 8 is used to display the pressure. Under the initial condition, after the casing through-cabin structure is processed, the sleeve 4 is evacuated through the needle valve to achieve the purpose of balancing the pressure inside and outside the cabin.

[0044] like Figure 1 and Figure 2 As shown, as a preferred embodiment of the utility model, the transition installation steel plate 7 includes two Q235A steel plates, and the opening size of the transition installation steel plate 7 is compatible with the opening diameter of the sleeve 4, the opening diameter of the sleeve installation flange 5 and the maximum diameter of the sleeve 6 when passing through the wall.

[0045] In the embodiment of the utility model, the matching and integrity of the structure are ensured through the above arrangement.

[0046] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the utility model. These should also be regarded as the protection scope of the utility model. These will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A high voltage test lead bushing penetration structure, comprising a penetration base and a bushing, characterized in that: Also includes: A sleeve is sleeved on the sleeve and fixedly connected to the tank body; bolt; A sealing ring, arranged on the outside of the sleeve; A silicone rubber pad, the outer side of which is covered with an epoxy cover plate; The casing installation flange is mounted and fixed on the casing; a silicone rubber gasket is used to seal the casing installation flange and the outdoor end of the casing. The transition mounting steel plate is arranged between the sleeve and the casing mounting flange, and is respectively connected to the casing mounting flange and the sleeve through two-stage bolts.

2. The high-voltage test lead bushing penetration structure according to claim 1 is characterized in that: The penetration base is fixedly connected with a mounting steel plate by means of bolts, and the mounting steel plate is fixed to the test room partition wall or the tank wall by means of bolts.

3. The high voltage test lead bushing penetration structure according to claim 1 is characterized in that: The silicone rubber pad extends 100 mm beyond the epoxy cover plate.

4. The high-voltage test lead bushing penetration structure according to claim 1 is characterized in that: Both ends of the bolt are filled with silica gel.

5. The high voltage test lead bushing penetration structure according to claim 1 is characterized in that: A reinforcing plate is provided between the sleeve and the tank body.

6. The high voltage test lead bushing penetration structure according to claim 1 is characterized in that: A pressure gauge and a needle valve are arranged on the cover plate of the sleeve.

7. The high voltage test lead bushing penetration structure according to claim 1 is characterized in that: The transition installation steel plate includes two Q235A steel plates, and the opening size of the transition installation steel plate is compatible with the opening diameter of the sleeve, the opening diameter of the sleeve installation flange and the maximum diameter of the sleeve when passing through the wall.

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