Prefabricated substation for community public transformer user meter power distribution
By optimizing the layout of the incoming and outgoing line cabinets to be arranged vertically and adopting a combined vertical installation structure, the problems of large casing and numerous copper busbars caused by the traditional layout are solved, thereby achieving cost reduction and space saving.
Patent Information
- Application Number
- CN202520323168.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-27
AI Technical Summary
The traditional layout of low-voltage fixed cabinets in public transformer substations in residential communities results in a large overall size of the substation casing, a large amount of copper busbars, which increases production costs and occupies more space.
The layout of the incoming and outgoing line cabinets is optimized to be arranged vertically, and a combined vertical installation structure is adopted to reduce the overall size of the substation casing and the amount of copper busbars used.
Production costs were reduced, space occupancy was reduced, the length of the substation casing was reduced by 30%, and the amount of copper busbars used was reduced by 20%.
Smart Images

Figure CN223858658U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to substation technical field, concretely is a kind of prepackaged substation for community public variable meter power distribution. BACKGROUND
[0002] Community public variable meter power distribution substation is the facility for providing power distribution and control for residential area, and its main role is to convert high-voltage electric energy into low-voltage electric energy suitable for residents to use, and distribute and measure through meter. The low-voltage fixed cabinet layout mode of traditional community public variable meter power distribution substation is that incoming line cabinet and outgoing line cabinet are independently arranged left and right, which will lead to larger overall size of substation shell, and larger copper bar consumption, which not only increases production cost, but also occupies more space resources to some extent. UTILITARIAN CONTENT
[0003] The utility model aims at providing a kind of prepackaged substation for community public variable meter power distribution to solve the technical problems raised in the background art.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A kind of prepackaged substation for community public variable meter power distribution, including incoming line metering box and capacitor cabinet, further including incoming and outgoing line cabinet, the incoming and outgoing line cabinet is arranged left and right with capacitor cabinet and is fixedly connected, the incoming and outgoing line cabinet includes frame, the frame is sequentially fixedly provided with upper crossbeam, middle crossbeam and lower crossbeam from top to bottom, the area above middle crossbeam in the incoming and outgoing line cabinet is incoming line cabinet, the area between middle crossbeam and lower crossbeam in the incoming and outgoing line cabinet is outgoing line cabinet, circuit breaker mounting plate is fixedly arranged in the bottom of incoming line cabinet, vertical setting is carried out in outgoing line cabinet and is vertical beam, the vertical beam is fixedly connected with middle crossbeam and lower crossbeam at both ends respectively, and the vertical beam is fixedly connected with three circuit breaker mounting beams transversely.
[0006] Further, door beam is fixedly arranged in the middle of one side of the frame, the frame is hingedly connected with upper door plate and lower door plate, the upper door plate and the lower door plate are respectively flat with door beam, and the upper door plate and the lower door plate are provided with cabinet door lock.
[0007] Further, brow is fixedly arranged on the top of the incoming and outgoing line cabinet, and the brow is located above the upper door plate.
[0008] Further, top plate is arranged above the top of the frame, the top plate is fixedly connected with the frame at four edges, and the top plate is provided with a plurality of lattice holes.
[0009] Further, grounding piece is arranged above the top of the frame, and the grounding piece is fixedly connected with one side of the frame.
[0010] Compared with prior art, the utility model has the beneficial effects that:
[0011] The utility model discloses a layout of incoming line cabinet and outgoing line cabinet is optimized as up-down arrangement, makes incoming line and outgoing line adopt combined up-down installation structure, reduces the overall size of transformer substation shell, also reduces the copper row consumption simultaneously, not only reduces production cost, also reduces the space occupation resource. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is structure schematic diagram of the utility model;
[0013] Figure 2 It is three view of incoming and outgoing line cabinet;
[0014] Figure 3 It is structure schematic diagram of prior art prepackaged transformer substation;
[0015] In the drawing: 1-incoming line metering box, 2-capacitor cabinet, 3-incoming and outgoing line cabinet, 301-frame, 302-middle crossbeam, 303-upper crossbeam, 304-door beam, 305-upper door plate, 306-lower door plate, 307-circuit breaker mounting plate, 308-stand beam, 309-lower crossbeam, 310-circuit breaker mounting beam, 311-hinge, 312-brow, 313-top plate, 313A-lattice hole, 314-grounding piece, 4-incoming line cabinet, 5-outgoing line cabinet, 6-incoming line cabinet circuit breaker, 7-outgoing line cabinet circuit breaker, 8-cabinet door lock, 9-switching switch, 10-incoming line cabinet voltmeter, 11-incoming line cabinet ammeter, 12-incoming line cabinet signal indicator, 13-lamp button switch, 14-outgoing line cabinet ammeter, 15-outgoing line cabinet signal indicator, 16-intelligent three-phase electric power parameter measuring instrument. DETAILED DESCRIPTION
[0016] The utility model will be described in detail below in connection with the drawings and specific embodiment.
[0017] Please refer to Figures 1-2 The utility model provides an embodiment:
[0018] A kind of prepackaged transformer substation for cell public variable meter power distribution, including incoming line metering box 1, capacitor cabinet 2 and incoming and outgoing line cabinet 3, incoming and outgoing line cabinet 3 and capacitor cabinet 2 are arranged left and right and fixedly connected, incoming and outgoing line cabinet 3 includes frame 301, frame 301 is sequentially welded with upper crossbeam 303, middle crossbeam 302 and lower crossbeam 309 from top to bottom, the area above middle crossbeam 302 in incoming and outgoing line cabinet 3 is incoming line cabinet 4, the area between middle crossbeam 302 and lower crossbeam 309 in incoming and outgoing line cabinet 3 is outgoing line cabinet 5, circuit breaker mounting plate 307 is welded in the bottom of incoming line cabinet 4, for installing incoming line cabinet circuit breaker 6, vertically arranged with stand beam 308 in outgoing line cabinet 5, stand beam 308 both ends are welded with middle crossbeam 302 and lower crossbeam 309, three circuit breaker mounting beams 310 are welded with stand beam 308 transversely, for installing outgoing line cabinet circuit breaker 7.
[0019] A door beam 304 is fixedly installed in the middle of one side of the frame 301. The frame 301 is hinged to an upper door panel 305 and a lower door panel 306 via hinges 311. There are four hinges 311, which are welded to the side of the frame 301. The two upper hinges 311 are hinged to the upper door panel 305, and the two lower hinges 311 are hinged to the lower door panel 306. The upper door panel 305 and the lower door panel 306 are flush with the door beam 304, so that the upper door panel 305 and the lower door panel 306 remain flat when closed. Both the upper door panel 305 and the lower door panel 306 are equipped with cabinet door locks 8.
[0020] Among them, the top of the incoming and outgoing line cabinet 3 is fixedly equipped with a header 312, which is located above the upper door panel 305 and can be used to fix the product nameplate.
[0021] The top plate 313 is provided on the top of the frame 301. The four sides of the top plate 313 are fixedly connected to the frame 301. The top plate 313 has several grilles 313A for ventilation and heat dissipation.
[0022] Among them, a grounding component 314 is provided on the top of the frame 301, and the grounding component 314 is fixedly connected to one side of the frame 301.
[0023] The incoming line cabinet 4 is fixedly equipped with an incoming line cabinet circuit breaker 6 and an intelligent three-phase power parameter measuring instrument 16. The incoming line cabinet circuit breaker 6 is model RMM1-2000 / 3, and the intelligent three-phase power parameter measuring instrument 16 is model DTM830. The upper door panel 305 is fixedly equipped with a changeover switch 9, an incoming line cabinet voltmeter 10, three incoming line cabinet ammeters 11, four incoming line cabinet signal indicator lights 12, and two illuminated push-button switches 13. The outgoing line cabinet 5 is fixedly equipped with four outgoing line cabinet circuit breakers 7, model RMM1-250S / 3. The lower door panel 306 is fixedly equipped with four outgoing line cabinet ammeters 14 and four outgoing line cabinet signal indicator lights 15. All electrical components are wired according to the design circuit diagram.
[0024] The traditional layout of low-voltage fixed cabinets in a residential community's public transformer and household meter substation is that the incoming cabinet 4 and the outgoing cabinet 5 are arranged independently on the left and right sides, such as... Figure 3 As shown, this cabinet layout results in a larger overall size of the substation casing and a larger amount of copper busbars, which not only increases production costs but also occupies more space. This utility model optimizes the layout of the incoming line cabinet 4 and the outgoing line cabinet 5 by arranging them vertically, so that the incoming and outgoing lines adopt a combined vertical installation structure. After optimization, the overall length of the substation casing is reduced by 30%, the amount of copper busbars is reduced by 20%, the production cost is reduced by about 8%, and the space occupied is also reduced.
[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A prepackaged substation for distribution of electricity to consumers in a colony comprising a line metering box (1) and a capacitor tank (2) characterised in that: Also include the incoming and outgoing line cabinet (3), the incoming and outgoing line cabinet (3) is arranged with capacitor cabinet (2) left and right and fixedly connected, the incoming and outgoing line cabinet (3) includes frame (301), the frame (301) is sequentially fixedly provided with upper cross beam (303), middle cross beam (302) and lower cross beam (309) from top to bottom, the area above the middle cross beam (302) in the incoming and outgoing line cabinet (3) is incoming line cabinet (4), the area between the middle cross beam (302) and lower cross beam (309) in the incoming and outgoing line cabinet (3) is outgoing line cabinet (5), the bottom of the incoming line cabinet (4) is fixedly provided with circuit breaker mounting plate (307), the outgoing line cabinet (5) is vertically provided with vertical beam (308), the vertical beam (308) both ends are fixedly connected with middle cross beam (302), lower cross beam (309), the vertical beam (308) is fixedly connected with three circuit breaker mounting beams (310) laterally.
2. A prepackaged transformer substation for distribution to customers of a utility from a cell of a utility grid according to claim 1, characterized in that: The frame (301) is fixedly provided with door beam (304) in one side middle part, the frame (301) is hingedly connected with upper door plate (305) and lower door plate (306) through hinge (311), the upper door plate (305) and lower door plate (306) are respectively with door beam (304) flat, the upper door plate (305) and lower door plate (306) are provided with cabinet door lock (8).
3. A prepackaged transformer substation for distribution to utility meters in a neighborhood according to claim 1, wherein: The top of the incoming and outgoing line cabinet (3) is fixedly provided with eyebrow (312), the eyebrow (312) is located above the upper door plate (305).
4. A prepackaged transformer substation for distribution to utility meters in a neighborhood according to claim 1, wherein: The top of the frame (301) is provided with top plate (313), the top plate (313) is fixedly connected with the frame (301) on four sides, the top plate (313) is provided with a plurality of lattice holes (313A).
5. A prepackaged transformer substation for distribution to utility meters in a neighborhood according to claim 1, wherein: The top of the frame (301) is provided with grounding piece (314), the grounding piece (314) is fixedly connected with the frame (301) on one side.