CN207250992U - A kind of side-mounted ring main unit - Google Patents

Abstract

A kind of side-mounted ring main unit is the utility model is related to, for the workplace of limited space, the side-mounted ring main unit includes ring main unit housing, side-mounted earthing switch, side-mounted breaker and side-mounted disconnecting switch；The side-mounted disconnecting switch, the side-mounted breaker and the side-mounted earthing switch are fixedly installed on the left side wall or right side wall in the ring main unit housing successively from top to bottom.The utility model provides a kind of side-mounted ring main unit of miniaturization, it is installed on using side-mounted disconnecting switch, the side-mounted breaker and the side-mounted earthing switch in ring main unit housing, greatly reduce the width dimensions of the side-mounted ring main unit, overall volume is also opposite to diminish, the occasion of more narrow spaces is can be applied to, ring main unit is become miniaturization to meet the market requirement.

Description

A kind of side-mounted ring main unit

Technical field

It the utility model is related to power network cabinet technical field, and in particular to a kind of side-mounted ring main unit of miniaturization.

Background technology

Ring main unit (Ring Main Unit) is that one group of transmission ＆ distribution electrical equipment (high-tension switch gear) is mounted in metal or non-gold Belong in insulation cabinet body or make the electrical equipment of assembled compartment ring network power supplying units.Its core is using on-load switch and melts Disconnected device, has the advantages that simple in structure, price is low, can improve power supply parameter and performance and power supply safety.With electric system Development, the application scenario of ring main unit is more and more extensive, is usually applied to Urban Residential District, skyscraper, large-scale public builds Build, in the power distribution station and box-type substation of load center such as factory and enterprise.In the case of conditional using space environment, production The volume of product just becomes particularly critical.Ring main unit volume of the prior art is larger, and width is mostly in 900mm~1200mm scopes Within, in some spaces, less occasion can not be installed, it is therefore desirable to which develop a kind of ring main unit of miniaturization is needed with tackling market Ask.

Utility model content

The utility model provides a kind of side-mounted ring main unit of miniaturization, solves the problems, such as techniques discussed above.

The scheme that the utility model solves above-mentioned technical problem is as follows：A kind of side-mounted ring main unit, for limited space Workplace, the side-mounted ring main unit include ring main unit housing, side-mounted earthing switch, side-mounted breaker and it is side-mounted every Leave pass；The side-mounted disconnecting switch, the side-mounted breaker and the side-mounted earthing switch are solid successively from top to bottom Dingan County is loaded on the side wall in the ring main unit housing.

The beneficial effects of the utility model are：The utility model provides a kind of side-mounted ring main unit of miniaturization, uses Side-mounted disconnecting switch, the side-mounted breaker and the side-mounted earthing switch are installed in ring main unit housing, are contracted significantly The small width dimensions of the side-mounted ring main unit, overall volume is also opposite to diminish, and can be applied to the occasion of more narrow spaces, Ring main unit is set to become miniaturization to meet the market requirement.

Based on the above technical solutions, the utility model can also do following improvement.

Further, the side-mounted ring main unit further includes bus-bar room and cable vault, and the bus-bar room is fixedly installed in described Top in ring main unit housing, the cable vault are fixedly installed in the bottom in the ring main unit housing, the cable vault and institute Bus-bar room, the side-mounted earthing switch, the side-mounted breaker and the side-mounted disconnecting switch is stated to be electrically connected.

It is using the above-mentioned further beneficial effect of scheme：Pass through top bus-bar room being installed in the ring main unit housing Portion, facilitates signal transmission, cabling design to be connected with for an electric power system busbar；By the way that the cable vault is fixedly installed in Bottom in the ring main unit housing, since cable house cable quantity is more and quality is larger, can reduce the side-mounted ring The center of gravity of net cabinet.

Further, the side-mounted ring main unit further includes control room, and the control room is fixedly installed in the ring main unit shell Internal top, the control room are electrically connected with the cable vault.

It is using the above-mentioned further beneficial effect of scheme：By the way that control room is fixedly installed in the ring main unit housing Top, the electrical secondary system control electric appliance data that the control room is observed easy to user show that the control room is for placing end Son row and secondary control system component.

Further, the side-mounted ring main unit further includes mutual inductor, and the mutual inductor is fixedly installed in the ring main unit shell Internal middle part, the mutual inductor are electrically connected with the cable vault.

It is using the above-mentioned further beneficial effect of scheme：In mutual inductor is installed in the ring main unit housing High voltage, can be become low-voltage, high current becomes low current by portion, for measuring or protecting system.Its function is mainly by height Voltage or high current scaling transformation are into normal low voltage 100V or standard small electric current 5A or 1A, to realize measuring instrumentss, to protect Protect the linear quadratic control of equipment and automatic control equipment.Further, the side-mounted ring main unit further includes five anti-interlocking mechanisms, described Five anti-interlocking mechanisms are fixedly installed in the middle part of the one side wall in the ring main unit housing, the five anti-interlocking mechanism and the electricity Cable room connects.

It is using the above-mentioned further beneficial effect of scheme：By being equipped with the middle part of the ring main unit housing one side wall Five anti-interlocking mechanisms, are conducive to all corners in management and control ring main unit housing, further improve the security of the side-mounted ring main unit.

Further, the side-mounted ring main unit further includes arrester, and the arrester is fixedly installed in the ring main unit shell The lower part of internal one side wall, the arrester are electrically connected with the cable vault.

It is using the above-mentioned further beneficial effect of scheme：By being equipped with arrester in the ring main unit housing, it is used for Protect electrical equipment against high transient overvoltage and endanger and limit a kind of electric appliance that time of afterflow also often limits afterflow amplitude.

Further, the width of the front side wall of the ring main unit housing is 550mm-650mm.Described above is only that this practicality is new The general introduction of type technical solution, in order to better understand the technological means of the utility model, and can be according to the content of specification Be practiced, below with the preferred embodiment of the utility model and coordinate attached drawing describe in detail as after.The utility model it is specific Embodiment is shown in detail by following embodiments and its attached drawing.

Brief description of the drawings

Attached drawing described herein is used to provide a further understanding of the present invention, and forms the part of the application, The schematic description and description of the utility model is used to explain the utility model, does not form to the improper of the utility model Limit.In the accompanying drawings：

Fig. 1 is a kind of structure diagram of the side-mounted ring main unit for miniaturization that one embodiment of the utility model provides；

Fig. 2 is a kind of A-A of the side-mounted ring main unit for miniaturization that Fig. 1 is provided to schematic cross-sectional view；

Fig. 3 is a kind of structural representation of the side-mounted ring main unit (after removing front door and control room) for miniaturization that Fig. 1 is provided Figure.

In attached drawing, parts list represented by the reference numerals is as follows：

100th, side-mounted ring main unit；10th, ring main unit housing；11st, front door；20th, control room；30th, bus-bar room；40th, mutual inductor； 50th, cable vault；60th, five anti-interlocking mechanism；70th, side-mounted earthing switch；80th, arrester；90th, side-mounted breaker；101st, side Dress formula disconnecting switch.

Embodiment

The principle and feature of the utility model are described below in conjunction with attached drawing 1-3, example is served only for explaining this Utility model, is not intended to limit the scope of the utility model.In the following passage referring to the drawings by way of example more specifically The utility model is described.According to following explanation and claims, will be become apparent from feature the advantages of the utility model.Need to illustrate , attached drawing use using very simplified form and non-accurate ratio, only to it is convenient, lucidly aid in illustrating originally The purpose of utility model embodiment.

It should be noted that when component is referred to as " being fixed on " another component, it can be directly on another component Or there may also be component placed in the middle.When a component is considered as " connection " another component, it can be directly connected to To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being arranged at " another component, it Can be set directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical ", " horizontal ", "left", "right" and similar statement for illustrative purposes only.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model The normally understood implication of technical staff in domain is identical.It is simply in the term used in the description of the utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all combination of one or more relevant Listed Items.

Fig. 3 is internal structure signal of a kind of side-mounted ring main unit 100 after front door 11 and control room 20 is removed in Fig. 1 Figure.As shown in Figures 1 and 3, the utility model provides a kind of side-mounted ring main unit 100, for the workplace of limited space, The side-mounted ring main unit 100 include ring main unit housing 10, side-mounted earthing switch 70, side-mounted breaker 90 and it is side-mounted every Leave pass 101；The side-mounted disconnecting switch 101, the side-mounted breaker 90 and the side-mounted earthing switch 70 are from upper It is fixedly installed in successively under on the left side wall or right side wall in the ring main unit housing 10.Before the ring main unit housing 10 includes Door 11.

It is understood that it is described side-mounted for component is rotated by 90 ° in the horizontal plane, by the sidepiece of the component The side wall being installed in the ring main unit housing 10.Common contact-making switch, breaker, disconnecting switch all use in the prior art Be formal dress mode, can so cause that the width of ring main unit is larger and overall volume is also relatively large, it is impossible to applied to more The occasion of more narrow spaces., might as well be by positioned at a front and rear left side for ring main unit housing 10 in view directions as shown in Figures 1 and 3 Four faces in right direction are respectively defined as front side wall, rear wall, left side wall and right side wall.

A kind of side-mounted ring main unit 100 of miniaturization is above mentioned embodiment provided, using side-mounted disconnecting switch 101, institute State side-mounted breaker 90 and the side-mounted earthing switch 70 is installed in ring main unit housing 10, it is side-mounted to greatly reduce this The width dimensions (being contracted within 550-650mm scopes) of ring main unit 100, overall volume is also opposite to diminish, and can be applied to more The occasion of more narrow spaces, makes ring main unit 100 become miniaturization to meet the market requirement.

Preferably, as shown in Fig. 2, the side-mounted ring main unit 100 further includes bus-bar room 30 and cable vault 50, the busbar Room 30 is fixedly installed in the top in the ring main unit housing 10, and the cable vault 50 is fixedly installed in the ring main unit housing 10 Interior bottom, the cable vault 50 and the bus-bar room 30, the side-mounted earthing switch 70, the side-mounted breaker 90 and The side-mounted disconnecting switch 101 is electrically connected.

By the top being installed on bus-bar room 30 in the ring main unit housing 10, facilitate signal transmission, cabling design and Winding displacement of powering designs；By the bottom being fixedly installed in the cable vault 50 in the ring main unit housing 10, due to cable vault 50 inner cable quantity are more and quality is larger, can reduce the center of gravity of the side-mounted ring main unit 100.

Preferably, as shown in Fig. 2, the side-mounted ring main unit 100 further includes control room 20, peace is fixed by the control room 20 Top loaded on the one side wall in the ring main unit housing 10, the control room 20 are connected with the cable vault 50.By by instrument Table room 20 is fixedly installed in the top of left side wall in the ring main unit housing 10, and the display of the control room 20 is observed easy to user Reading.

Preferably, as shown in Fig. 2, the side-mounted ring main unit 100 further includes mutual inductor 40, the mutual inductor 40 fixes peace Loaded on the middle part in the ring main unit housing 10, the mutual inductor 40 is connected with the cable vault 50.

By middle part mutual inductor 40 being installed in the ring main unit housing 10, high voltage can be become to low-voltage, big Electric current becomes low current, for measuring or protecting system.Its function is mainly by high voltage or high current scaling transformation into mark Quasi- low-voltage 100V or standard small electric current 5A or 1A, to realize the secondary of measuring instrumentss, protection equipment and automatic control equipment Control.

Preferably, as shown in figure 3, the side-mounted ring main unit 100 further includes five anti-interlocking mechanisms 60, the five anti-interlocking Mechanism 60 is fixedly installed in the middle part of the one side wall in the ring main unit housing 10, the five anti-interlocking mechanism 60 and the cable Room 50 is electrically connected.By being equipped with five anti-interlocking mechanisms 60 in the middle part of 10 one side wall of ring main unit housing, be conducive to management and control All corners in ring main unit housing 10, further improve the security of the side-mounted ring main unit 100.

Preferably, as shown in figure 3, the side-mounted ring main unit 100 further includes arrester 80, the arrester 80 fixes peace Lower part loaded on the one side wall in the ring main unit housing 10, the arrester 80 are electrically connected with the cable vault 50.By Arrester 80 is equipped with the ring main unit housing 10, endangers for protecting electrical equipment against high transient overvoltage and limits afterflow Time also often limits a kind of electric appliance of afterflow amplitude.

Preferably, the width of the front side wall of the ring main unit housing 10 is 550mm-650mm.

Preferably, as shown in Figure 1, the front side wall of the ring main unit housing 10 is equipped with multiple heat emission holes.

The utility model provides a kind of side-mounted ring main unit 100 of miniaturization, using side-mounted disconnecting switch 101, institute State side-mounted breaker 90 and the side-mounted earthing switch 70 is installed in ring main unit housing 10, it is side-mounted to greatly reduce this The width dimensions of ring main unit 100, overall volume is also opposite to diminish, and can be applied to the occasion of more narrow spaces, makes ring main unit 100 become miniaturization to meet the market requirement.

The above, is only the preferred embodiment of the utility model, not the utility model is made in any form Limitation；The those of ordinary skill of all industry can be shown in by specification attached drawing and described above and swimmingly implement this practicality It is new；But all those skilled in the art are not being departed from the range of technical solutions of the utility model, are taken off more than The technology contents shown and the equivalent variations of a little variation, modification and evolution made, are the equivalent embodiment of the utility model； Meanwhile the change of any equivalent variations for being made to above example of all substantial technologicals according to the utility model, modify and drill Become etc., still fall within the protection domain of the technical solution of the utility model.

Claims (7)

1. a kind of side-mounted ring main unit, the workplace for limited space, it is characterised in that the side-mounted ring main unit (100) ring main unit housing (10), side-mounted earthing switch (70), side-mounted breaker (90) and side-mounted disconnecting switch are included (101)；The side-mounted disconnecting switch (101), the side-mounted breaker (90) and the side-mounted earthing switch (70) from Top to bottm is fixedly installed on the left side wall or right side wall in the ring main unit housing (10) successively.

2. a kind of side-mounted ring main unit according to claim 1, it is characterised in that the side-mounted ring main unit (100) is also wrapped Bus-bar room (30) and cable vault (50) are included, the bus-bar room (30) is fixedly installed in the top in the ring main unit housing (10), The cable vault (50) is fixedly installed in the bottom in the ring main unit housing (10), the cable vault (50) and the bus-bar room (30), the side-mounted earthing switch (70), the side-mounted breaker (90) and the side-mounted disconnecting switch (101) electricity Connection.

3. a kind of side-mounted ring main unit according to claim 2, it is characterised in that the side-mounted ring main unit (100) is also wrapped Control room (20) is included, the control room (20) is fixedly installed in the top of the interior left side wall of the ring main unit housing (10), the instrument Table room (20) is electrically connected with the cable vault (50).

4. a kind of side-mounted ring main unit according to claim 2, it is characterised in that the side-mounted ring main unit (100) is also wrapped Mutual inductor (40) is included, the mutual inductor (40) is fixedly installed in the middle part in the ring main unit housing (10), the mutual inductor (40) it is electrically connected with the cable vault (50).

5. a kind of side-mounted ring main unit according to claim 2, it is characterised in that the side-mounted ring main unit (100) is also wrapped Five anti-interlocking mechanisms (60) are included, the five anti-interlocking mechanism (60) is fixedly installed in the right side wall in the ring main unit housing (10) Middle part, the five anti-interlocking mechanism (60) is electrically connected with the cable vault (50).

6. a kind of side-mounted ring main unit according to claim 2, it is characterised in that the side-mounted ring main unit (100) is also wrapped Arrester (80) is included, the arrester (80) is fixedly installed in the lower part of the one side wall in the ring main unit housing (10), described Arrester (80) is electrically connected with the cable vault (50).

7. according to a kind of any side-mounted ring main units of claim 1-6, it is characterised in that before the ring main unit housing (10) The width of side wall is 550mm-650mm.