CN-116587500-B - High-voltage contact box equipment and manufacturing method thereof

CN116587500BCN 116587500 BCN116587500 BCN 116587500BCN-116587500-B

Abstract

The application relates to the technical field of high-voltage contact box equipment, in particular to high-voltage contact box equipment and a manufacturing method thereof. The method comprises the steps of obtaining parameters of a contact box and the height of a cabinet body, setting parameters of an insulating grinding tool according to the parameters of the contact box and the height of the cabinet body, obtaining weight of the contact box and distance data of adjacent contact boxes, setting pouring quantity of pouring materials according to the weight of the contact box, correcting the pouring quantity of the pouring materials according to the distance data of the adjacent contact boxes, setting parameters of the insulating grinding tool according to the pouring quantity of the pouring materials, the weight of the contact box and the distance data of the adjacent contact boxes, setting the pouring parameters according to the pouring quantity of the pouring materials, and generating an epoxy resin base. Through the insulativity and mechanical strength of the epoxy resin, the original metal support is replaced to improve the insulativity of the high-voltage contact box, the problem that the insulativity of the high-voltage contact box is reduced in an electrical preventative test is solved, the safety guarantee is improved for stabilizing the normal operation of the power system, and meanwhile, the repair procedure and the maintenance cost are reduced.

Inventors

ZHANG YU

Assignees

恩施清江大龙潭水电开发有限公司

Dates

Publication Date: 20260505
Application Date: 20230419

Claims (7)

1. A method of manufacturing a high voltage contact box apparatus, comprising: Acquiring parameters of a contact box and the height of a cabinet body, and setting parameters of an insulating grinding tool according to the parameters of the contact box and the cabinet body; Acquiring weight of the contact box and distance data of adjacent contact boxes, setting casting quantity of casting materials according to the weight of the contact box, and correcting the casting quantity of the casting materials according to the distance between the adjacent contact boxes; Setting parameters of an insulating grinding tool according to the casting quantity of the casting material, the weight of the contact box and the distance data of the adjacent contact boxes, setting casting parameters according to the casting quantity of the casting material, and generating an epoxy resin base; When the pouring amount of the pouring material is set according to the weight of the contact box, the method comprises the following steps: Presetting a contact box weight matrix C, setting C (C1, C2, C3 and C4), wherein C1 is preset first contact box weight, C2 is preset second contact box weight, C3 is preset third contact box weight, C4 is preset fourth contact box weight, and C1< C2< C3< C4; presetting a casting material casting quantity matrix D, and setting D (D1, D2, D3 and D4), wherein D1 is a preset first casting material casting quantity, D2 is a preset second casting material casting quantity, D3 is a preset third casting material casting quantity, D4 is a preset fourth casting material casting quantity, and D1< D2< D3< D4; Acquiring the weight c of the contact box, and setting the casting quantity d of the casting material in real time according to the weight a of the contact box; if C is less than C1, setting the casting quantity D of the real-time casting material to be D1 less than D2; if C1 is less than C2, setting the casting quantity D of the real-time casting material to be D2 and D3; If C2 is less than C3, setting the casting quantity D of the real-time casting material to be D3 and D4; if C3< C < C4, setting the casting quantity D of the real-time casting material as D > D4; when the pouring amount of the pouring material is corrected according to the distance between adjacent contact boxes, the method comprises the following steps: if the contact boxes exist on two sides of the target contact box, acquiring the distance between the target contact box and the contact boxes on two sides, generating an average value, and setting the average value as a contact box distance e; If the contact box exists at one side of the target contact box, acquiring a contact box distance e between the target contact box and the contact box at one side; setting a pouring quantity correction coefficient n according to the contact box spacing e, and correcting a pouring quantity d of a pouring material; When setting the pouring parameters according to the pouring amount of the pouring materials, the method comprises the following steps: setting a real-time pouring speed v according to the pouring quantity d of the pouring material; Real-time environmental temperature data are acquired, a pouring speed compensation coefficient m is set according to the environmental temperature t, and real-time pouring speed v is corrected according to the pouring speed compensation coefficient m.
2. The method for manufacturing a high voltage contact box apparatus according to claim 1, wherein when the casting quantity correction coefficient n is set according to the contact box pitch e, comprising: Presetting a contact box spacing matrix E, and setting E (E1, E2, E3 and E4), wherein E1 is a preset first contact box spacing, E2 is a preset second contact box spacing, E3 is a preset third contact box spacing, E4 is a preset fourth contact box spacing, and E1< E2< E3< E4; Presetting a casting quantity correction coefficient matrix N, and setting N (N1, N2, N3 and N4), wherein N1 is a preset first casting quantity correction coefficient, N2 is a preset second casting quantity correction coefficient, N3 is a preset third casting quantity correction coefficient, N4 is a preset fourth casting quantity correction coefficient, and N1 is 0.8< N2< N3< N4<1; If E < E1, setting a pouring quantity correction coefficient n=n1, and correcting a pouring quantity d=n1×Di of the pouring material after correction; if E1< E < E2, setting a pouring quantity correction coefficient n=n2, and correcting pouring quantity d=n2 of the pouring material after correction; if E2< E < E3, setting a pouring quantity correction coefficient n=n3, and correcting the pouring quantity d=n3 of the pouring material after correction; if E3< E < E4, setting a pouring quantity correction coefficient n=n4, and correcting the pouring quantity d=n4 of the pouring material; And if E > E4, not correcting the pouring quantity of the pouring material.
3. The method for manufacturing the high-voltage contact box equipment according to claim 2, wherein when the real-time casting speed v is set according to the casting quantity d of the casting material, the method comprises the following steps: Presetting a casting speed matrix V, and setting V (V1, V2, V3 and V4), wherein V1 is a preset first casting speed, V2 is a preset second casting speed, V3 is a preset third casting speed, V4 is a preset fourth casting speed, and V1< V2< V3< V4; if D1< D2, setting the real-time casting speed V as a preset first casting speed V1, i.e., v=v1; If D2< D3, setting the real-time casting speed V to be a preset second casting speed V2, i.e., v=v2; If D3< D4, setting the real-time casting speed V to be a preset third casting speed V3, i.e., v=v3; if D > D4, the real-time casting speed V is set to be the preset fourth casting speed V4, i.e., v=v4.
4. The method for manufacturing a high voltage contact box apparatus according to claim 3, wherein when the casting speed compensation coefficient m is set according to the ambient temperature t, comprising: presetting an environment temperature matrix T, setting T (T1, T2, T3 and T4), wherein T1 is preset first environment temperature, T2 is preset second environment temperature, T3 is preset third environment temperature, T4 is preset fourth environment temperature, and T1< T2< T3< T4; Presetting a casting speed compensation coefficient matrix M, and setting M (M1, M2, M3 and M4), wherein M1 is a preset first casting speed compensation coefficient, M2 is a preset second casting speed compensation coefficient, M3 is a preset third casting speed compensation coefficient, M4 is a preset fourth casting speed compensation coefficient, and 0.8< M1< M2<1< M3< M4<1.2; if T < T1, setting a pouring speed compensation system m=m1, and correcting the real-time pouring speed v=m1×vi; If T1 is less than T2, setting a pouring speed compensation system m=m2, and correcting the real-time pouring speed v=m2; if T2 is less than T3, the casting speed v is not real-time; if T3 is less than T4, setting a pouring speed compensation system m=m3, and correcting the real-time pouring speed v=m3; If T > T4, setting a pouring speed compensation system m=m4, and correcting the real-time pouring speed v=m4×vi.
5. The method of manufacturing a high voltage contact box apparatus according to claim 1, wherein when setting the parameters of the insulating grinder according to the parameters of the contact box and the cabinet, comprising: And acquiring the height of the contact box and the height of the cabinet body, generating a height difference value a according to the height of the cabinet body and the height of the contact box, and setting the height b of the insulating grinding tool according to the height difference value a.
6. The method for manufacturing a high voltage contact box apparatus according to claim 5, wherein when the insulating grinder height b is set according to the height difference a, comprising: presetting a height difference matrix A, setting A (A1, A2, A3 and A4), wherein A1 is a preset first height difference, A2 is a preset second height difference, A3 is a preset third height difference, A4 is a preset fourth height difference, and A1< A2< A3< A4; Presetting an insulating grinding tool height matrix B, and setting B (B1, B2, B3 and B4), wherein B1 is preset first insulating grinding tool height, B2 is preset second insulating grinding tool height, B3 is preset third insulating grinding tool height, B4 is preset fourth insulating grinding tool height, and B1< B2< B3< B4; If A1< A2, setting the insulating grinder height B to be a preset first insulating grinder height B1, i.e., b=b1; if A2< A3, setting the insulated grinding tool height B to a preset second insulated grinding tool height B2, i.e., b=b2; if A3< A4, setting the insulated grinding tool height B to a preset third insulated grinding tool height B3, i.e., b=b3; if a > A4, the insulated grinding tool height B is set to a preset fourth insulated grinding tool height B4, i.e., b=b4.
7. A high voltage contact box apparatus, a method of manufacturing a high voltage contact box apparatus according to any one of claims 1 to 6, comprising: The box body, the busbar outlet, the fixed contact mounting insert and the busbar limiting insert; the epoxy resin base is connected with the box body and used for supporting the box body.

Description

High-voltage contact box equipment and manufacturing method thereof Technical Field The application relates to the technical field of high-voltage contact box equipment, in particular to high-voltage contact box equipment and a manufacturing method thereof. Background The contact box is an important part of the distribution switch cabinet and is used for installing the fixed contact. The box body is generally positioned in a bus bar chamber at one side of a partition board and is arranged on the partition board in a cabinet body of a power distribution switch cabinet, the box body is communicated with a handcart room, a static contact is fixed in the box body so as to be connected with or separated from a plum blossom contact of a circuit breaker in the handcart room, and a high-voltage switch cabinet contact box mainly plays an important role in insulating isolation and connection transition on the switch cabinet and plays an important role in the electrical performance and mechanical stability of the high-voltage switch cabinet. During the use of high-voltage switch cabinets, the contact boxes often age due to some physical or chemical factors. First, the high-voltage switchgear is an electric power device, the inside of which is filled with a large amount of electric power, and partial discharge easily generates ozone, which is a very high-oxidizing substance that easily causes the insulating material to be broken down by ozone oxidation, which is electric aging. Secondly, besides electrical aging, thermal aging exists, and when the high-voltage switch cabinet is operated, a large amount of heat is easily generated inside, so that the high-polymer insulating material is subjected to thermal degradation, and low-polymer substances are generated or escape, which is common thermal aging, and the insulating property and mechanical property of the insulating material are greatly reduced by thermal aging. The insulation of the contact box is reduced, and the overall safe and stable operation of the power system is further affected. Disclosure of Invention The application aims to solve the technical problems, provides high-voltage contact box equipment and a manufacturing method thereof, and aims to improve the insulativity of a contact box and realize quick repair of the contact box. In some embodiments of the application, the insulation property and the mechanical strength of the epoxy resin are used for replacing the original metal bracket to improve the insulation property of the high-voltage contact box, so that the problem of reduced insulation property of the high-voltage contact box in an electrical preventive test is solved, the safety guarantee is improved for stabilizing the normal operation of the power system, and the repair procedure and the maintenance cost are reduced. In some embodiments of the application, parameters of the insulating grinding tool are set by measuring the heights of the contact box support and the cabinet body and combining the self weight of the contact box, so that the suitability of the insulating grinding tool is ensured, and the insulating grinding tool is manufactured by using the flange plate, so that the epoxy resin is prevented from not forming in the pouring process. In some embodiments of the application, the casting amount of the casting material is set by acquiring the weight of the contact box, and the casting time is dynamically adjusted, so that the contact box and the epoxy resin are bonded into a whole by utilizing the strong bonding force of the epoxy resin, and the corrosion resistance, the heat resistance, the acid and alkali resistance, the organic solvent resistance and the insulating strength of the contact box are improved. In some embodiments of the present application, a method for manufacturing a high voltage contact box apparatus is provided, including: Acquiring parameters of a contact box and the height of a cabinet body, and setting parameters of an insulating grinding tool according to the parameters of the contact box and the cabinet body; Acquiring weight of the contact box and distance data of adjacent contact boxes, setting casting quantity of casting materials according to the weight of the contact box, and correcting the casting quantity of the casting materials according to the distance between the adjacent contact boxes; setting parameters of an insulating grinding tool according to the casting quantity of the casting material, the weight of the contact box and the distance data of the adjacent contact boxes, setting the casting parameters according to the casting quantity of the casting material, and generating an epoxy resin base. In some embodiments of the present application, when the casting amount of the casting material is set according to the weight of the contact box, the method includes: Presetting a contact box weight matrix C, setting C (C1, C2, C3 and C4), wherein C1 is preset first contact box weight, C2 is preset second