CN213425487U - Low-voltage power distribution cabinet - Google Patents
Low-voltage power distribution cabinet Download PDFInfo
- Publication number
- CN213425487U CN213425487U CN202022352062.2U CN202022352062U CN213425487U CN 213425487 U CN213425487 U CN 213425487U CN 202022352062 U CN202022352062 U CN 202022352062U CN 213425487 U CN213425487 U CN 213425487U
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- Prior art keywords
- shaped frame
- cabinet body
- cover plate
- molded case
- cabinet
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- Expired - Fee Related
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- 238000001914 filtration Methods 0.000 claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims abstract description 11
- 230000001012 protector Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a low-voltage power distribution cabinet, which comprises a cabinet body, a filtering device and a cabinet door; a three-phase cable, a main circuit molded case circuit breaker, a current transformer, an electric energy meter and a plurality of branch circuit molded case circuit breakers are arranged in the cabinet body; a plurality of heat dissipation holes are formed in the lower part of the cabinet body; the filtering device is arranged on the inner wall of the cabinet body at a position opposite to the heat dissipation hole; the filtering device comprises a U-shaped frame, a filtering net and a cover plate; sliding grooves are vertically formed in the inner walls of the two sides of the U-shaped frame; the sliding groove penetrates through the top of the U-shaped frame; the edge of the filter screen is provided with a frame, and two sides of the frame are provided with sliding blocks; one end of the top of the U-shaped frame is provided with a hinged shaft, and the other end of the U-shaped frame is provided with a clamping groove; one end of the cover plate is provided with a hinged part, and the lower surface of the other end of the cover plate is provided with a clamping block matched with the clamping groove. The utility model discloses a low-voltage distribution cabinet can install the filter screen fast.
Description
Technical Field
The utility model relates to a switch board technical field, especially a low-voltage distribution cabinet.
Background
The control cabinet is formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirements, and the arrangement of the control cabinet meets the requirements of normal operation of an electric power system, is convenient to overhaul and does not endanger the safety of people and surrounding equipment. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the fault or abnormal operation occurs, the circuit is cut off or an alarm is given by the aid of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust some electrical parameters to prompt or send out signals for deviation from normal working state.
Chinese utility model patent with publication number CN210404366U discloses a low voltage control cabinet convenient for maintenance. The switch board body includes the cabinet body, the louvre has all been seted up at both ends about the front surface of the cabinet body, the sliding seat is installed at the rear surface of louvre, front surface one side of sliding seat is provided with the filter screen, the outer fixed surface of filter screen is connected with the fore-set, the front surface opposite side fixedly connected with spring B of sliding seat, spring B's one end fixedly connected with supports the board, the upper surface and the lower surface one end of sliding seat all are provided with the fore-set, the one end fixedly connected with shifting block of fore-set, the surface of fore-set is provided with spring A. Above-mentioned low-voltage control cabinet has and installs the filter screen frame and the filter screen of the sliding seat and the sliding seat front surface at louvre rear surface and be used for fixed and the louvre of the device of being convenient for to protect of activity spring B, fore-set and shifting block through having designed, places the dust and gets into, the effectual life who guarantees the device. However, the movable seat is transversely hidden on the cabinet body, so that the side surface of the cabinet body is provided with an opening, dust is easy to enter the cabinet body, and the installation and the disassembly of the filter screen are inconvenient because the space in the cabinet body is limited.
Therefore, it is desirable to provide a low voltage distribution cabinet, which can solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-voltage power distribution cabinet, which comprises a cabinet body, a filtering device and a cabinet door;
a three-phase cable, a main circuit molded case circuit breaker, a current transformer, an electric energy meter and a plurality of branch circuit molded case circuit breakers are arranged in the cabinet body; one end of the three-phase cable is connected with an external power supply, and the three-phase cable penetrates through a wire inlet end on the main circuit molded case circuit breaker and extends out of a wire outlet end on the main circuit molded case circuit breaker; the three-phase cable passes through a current transformer after coming out of a leading-out terminal of the main circuit molded case circuit breaker, and the current transformer is connected with the electric energy meter; the current transformer feeds back the current value detected on each wire of the three-phase cable to the electric energy meter, and the current value is displayed on the electric energy meter; the branch circuit molded case circuit breakers are connected in parallel, the three-phase cable penetrates through the current transformer and then is connected with the wire inlet ends of the branch circuit molded case circuit breakers, the three-phase cable flows out of the wire outlet ends of the branch circuit molded case circuit breakers to form a plurality of branch circuits, and the three-phase cable on each branch circuit penetrates through the cabinet body and is connected with external electric equipment;
a plurality of heat dissipation holes are formed in the lower part of the cabinet body; the filtering device is arranged on the inner wall of the cabinet body at a position opposite to the heat dissipation hole; the filtering device comprises a U-shaped frame, a filtering net and a cover plate; the U-shaped frame is provided with a plurality of fixing parts, the fixing parts are provided with bolts, and the U-shaped frame is fixed on the inner wall of the cabinet body at the position opposite to the heat dissipation holes through the bolts on the fixing parts; sliding grooves are vertically formed in the inner walls of the two sides of the U-shaped frame; the sliding groove penetrates through the top of the U-shaped frame; the edge position of the filter screen is provided with a frame, and two sides of the frame are provided with sliding blocks matched with the sliding grooves; the filter screen is vertically arranged in a sliding groove on the U-shaped frame in a sliding manner through sliding blocks at two ends of a frame of the filter screen; one end of the top of the U-shaped frame is provided with a hinged shaft, and the other end of the U-shaped frame is provided with a clamping groove; one end of the cover plate is provided with a hinged part matched with the hinged shaft, the cover plate is hinged on the hinged shaft at one end of the top of the U-shaped frame through the hinged part, the lower surface of the other end of the cover plate is provided with a clamping block matched with the clamping groove, and the cover plate is clamped in the clamping groove on the U-shaped frame through the clamping block;
the cabinet door is installed on the cabinet body, and the handle is arranged on the cabinet door.
Preferably, the electric energy meter is a guide rail type electric energy meter.
Preferably, a plurality of first springs are vertically arranged on the inner wall of the bottom of the U-shaped frame, one ends of the first springs are fixed on the U-shaped frame, and first limiting plates are fixedly arranged at the other ends of the first springs; the lower surface of the cover plate is vertically provided with a plurality of second springs, one ends of the second springs are fixed on the cover plate, and the other ends of the second springs are fixedly provided with second limiting plates.
Preferably, a plurality of indicator lamps are arranged on the cabinet door.
Preferably, a surge protector is further arranged in the cabinet body.
The utility model relates to a low-voltage distribution cabinet compares with prior art and has following advantage:
(1) the filter screen in the cabinet body can be quickly installed or detached for cleaning, and is convenient to maintain;
(2) the cabinet body is also internally provided with a surge protector, and when peak current or voltage is suddenly generated in an electric loop or a communication line due to external interference, the surge protector can conduct and shunt in a very short time, so that damage of surge to other equipment in the loop is avoided;
(3) the structure is simple, and the intelligent control of the system can be realized.
Drawings
Fig. 1 is a layout diagram of components in a cabinet in the present embodiment;
fig. 2 is a schematic structural diagram of the cabinet door in this embodiment;
fig. 3 is a schematic structural view of the cabinet in the present embodiment;
FIG. 4 is a schematic structural view of a filter device 1 in the present embodiment;
fig. 5 is a schematic structural diagram of the filter device in this embodiment 2.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, the low voltage distribution cabinet of the present invention comprises a cabinet body 1, a filtering device and a cabinet door 9;
as shown in fig. 1, a three-phase cable, a main circuit molded case circuit breaker 2, a current transformer 4, an electric energy meter 8 and a plurality of branch molded case circuit breakers 5 are arranged in the cabinet body 1; one end of the three-phase cable is connected with an external power supply, and the three-phase cable penetrates through a wire inlet end on the main circuit molded case circuit breaker 2 and extends out of a wire outlet end on the main circuit molded case circuit breaker 2; the three-phase cable passes through a current transformer 4 after coming out of a leading-out terminal of the main circuit molded case circuit breaker 2, and the current transformer 4 is connected with an electric energy meter 8; the current transformer 4 feeds a current value detected on each wire of the three-phase cable back to the electric energy meter, and the current value is displayed on the electric energy meter 8, so that a worker can conveniently detect the current value in real time; preferably, the electric energy meter 8 is a guide rail type electric energy meter, and is convenient to install; as for the concrete structure of the guide rail type electric energy meter, the inventor only applies the guide rail type electric energy meter in the prior art to the power distribution cabinet of the patent application, and the effect of convenient installation is achieved; the branch circuit molded case circuit breakers 5 are connected in parallel, the three-phase cable penetrates through the current transformer 4 and then is connected with the wire inlet ends of the branch circuit molded case circuit breakers 5, the three-phase cable flows out of the wire outlet ends of the branch circuit molded case circuit breakers 5 to form a plurality of branch circuits, and the three-phase cable on each branch circuit penetrates through the cabinet body 1 and is connected with external electric equipment.
As shown in fig. 3, a plurality of heat dissipation holes 13 are formed in the lower portion of the cabinet body 1; as shown in fig. 4 to 5, the filtering device is installed on the inner wall of the cabinet 1 at a position facing the heat dissipation hole 13; the filtering device comprises a U-shaped frame 14, a filtering net 19 and a cover plate 20; the U-shaped frame 14 is provided with a plurality of fixing parts 18, the fixing parts 18 are provided with bolts, and the U-shaped frame 14 is fixed on the inner wall of the cabinet body 1 at the position opposite to the heat dissipation holes 13 through the bolts on the fixing parts 18; sliding grooves 16 are vertically formed in the inner walls of the two sides of the U-shaped frame 14; the sliding groove 16 penetrates through the top of the U-shaped frame 14; the edge of the filter screen 19 is provided with a frame, and two sides of the frame are provided with sliding blocks matched with the sliding grooves; the filter screen 19 is vertically arranged in the sliding groove 16 on the U-shaped frame 14 in a sliding manner through sliding blocks at two ends of the frame; the filter screen 19 is convenient to replace or maintain; one end of the top of the U-shaped frame 14 is provided with a hinged shaft, and the other end of the U-shaped frame 14 is provided with a clamping groove; one end of the cover plate 20 is provided with a hinged part matched with the hinged shaft, the cover plate 20 is hinged on the hinged shaft at one end of the top of the U-shaped frame 14 through the hinged part, the lower surface of the other end of the cover plate 20 is provided with a clamping block matched with the clamping groove, and the cover plate 20 is clamped in the clamping groove on the U-shaped frame 14 through the clamping block to fix the filter screen 19; preferably, a plurality of first springs 15 are vertically arranged on the inner wall of the bottom of the U-shaped frame 14, one ends of the plurality of first springs 15 are fixed on the U-shaped frame 14, and the other ends of the plurality of first springs 15 are fixedly provided with first limiting plates 17; a plurality of second springs 21 are vertically arranged on the lower surface of the cover plate 20, one ends of the plurality of second springs 21 are fixed on the cover plate 20, and the other ends of the plurality of second springs 21 are fixedly provided with second limiting plates 22; with this arrangement, after the filter screen 19 is mounted in the U-shaped frame 14, and the cover plate 20 are covered, the filter screen 19 is stably fixed by the elastic force of the first spring 15 and the second spring 21.
The cabinet door 9 is arranged on the cabinet body 1, and a handle 10 is arranged on the cabinet door 9; preferably, be equipped with a plurality of pilot lamps 11 on the cabinet door 9, the staff of being convenient for knows the internal operating condition of cabinet.
In this embodiment, the cabinet 1 is further provided with a surge protector 7, and when a peak current or a voltage is suddenly generated in an electrical circuit or a communication line due to external interference, the surge protector 7 can conduct and shunt in a very short time, so that damages of a surge to other devices in the circuit are avoided.
In the description of the present specification, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of describing the technical solutions of the present patent and for simplification of the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be interpreted as limiting the present patent application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this patent application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this specification, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present specification can be understood by those of ordinary skill in the art as appropriate.
In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (5)
1. A low-voltage power distribution cabinet is characterized by comprising a cabinet body, a filtering device and a cabinet door;
a three-phase cable, a main circuit molded case circuit breaker, a current transformer, an electric energy meter and a plurality of branch circuit molded case circuit breakers are arranged in the cabinet body; one end of the three-phase cable is connected with an external power supply, and the three-phase cable penetrates through a wire inlet end on the main circuit molded case circuit breaker and extends out of a wire outlet end on the main circuit molded case circuit breaker; the three-phase cable passes through a current transformer after coming out of a leading-out terminal of the main circuit molded case circuit breaker, and the current transformer is connected with the electric energy meter; the current transformer feeds back the current value detected on each wire of the three-phase cable to the electric energy meter, and the current value is displayed on the electric energy meter; the branch circuit molded case circuit breakers are connected in parallel, the three-phase cable penetrates through the current transformer and then is connected with the wire inlet ends of the branch circuit molded case circuit breakers, the three-phase cable flows out of the wire outlet ends of the branch circuit molded case circuit breakers to form a plurality of branch circuits, and the three-phase cable on each branch circuit penetrates through the cabinet body and is connected with external electric equipment;
a plurality of heat dissipation holes are formed in the lower part of the cabinet body; the filtering device is arranged on the inner wall of the cabinet body at a position opposite to the heat dissipation hole; the filtering device comprises a U-shaped frame, a filtering net and a cover plate; the U-shaped frame is provided with a plurality of fixing parts, the fixing parts are provided with bolts, and the U-shaped frame is fixed on the inner wall of the cabinet body at the position opposite to the heat dissipation holes through the bolts on the fixing parts; sliding grooves are vertically formed in the inner walls of the two sides of the U-shaped frame; the sliding groove penetrates through the top of the U-shaped frame; the edge position of the filter screen is provided with a frame, and two sides of the frame are provided with sliding blocks matched with the sliding grooves; the filter screen is vertically arranged in a sliding groove on the U-shaped frame in a sliding manner through sliding blocks at two ends of a frame of the filter screen; one end of the top of the U-shaped frame is provided with a hinged shaft, and the other end of the U-shaped frame is provided with a clamping groove; one end of the cover plate is provided with a hinged part matched with the hinged shaft, the cover plate is hinged on the hinged shaft at one end of the top of the U-shaped frame through the hinged part, the lower surface of the other end of the cover plate is provided with a clamping block matched with the clamping groove, and the cover plate is clamped in the clamping groove on the U-shaped frame through the clamping block;
the cabinet door is installed on the cabinet body, and the handle is arranged on the cabinet door.
2. The low-voltage distribution cabinet according to claim 1, wherein said electric energy meter is a rail-type electric energy meter.
3. The low-voltage distribution cabinet according to claim 1 or 2, wherein a plurality of first springs are vertically arranged on the inner wall of the bottom of the U-shaped frame, one ends of the plurality of first springs are fixed on the U-shaped frame, and the other ends of the plurality of first springs are fixedly provided with first limiting plates; the lower surface of the cover plate is vertically provided with a plurality of second springs, one ends of the second springs are fixed on the cover plate, and the other ends of the second springs are fixedly provided with second limiting plates.
4. The low-voltage distribution cabinet according to claim 1, wherein said cabinet door is provided with a plurality of indicator lights.
5. The low-voltage distribution cabinet according to claim 1, wherein a surge protector is further arranged in the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022352062.2U CN213425487U (en) | 2020-10-21 | 2020-10-21 | Low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022352062.2U CN213425487U (en) | 2020-10-21 | 2020-10-21 | Low-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213425487U true CN213425487U (en) | 2021-06-11 |
Family
ID=76268308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022352062.2U Expired - Fee Related CN213425487U (en) | 2020-10-21 | 2020-10-21 | Low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213425487U (en) |
-
2020
- 2020-10-21 CN CN202022352062.2U patent/CN213425487U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |