CN104242071B - A kind of assemblied distribution - Google Patents

Abstract

The invention belongs to the technical field of power distribution cabinets, and relates to a power distribution cabinet capable of effectively dissipating heat, which includes a cabinet body, a circuit breaker, a line detection device, a power parameter monitoring device, an ammeter and a voltmeter, and a horizontal mounting plate is fixed in the cabinet body , the horizontal mounting plate divides the interior of the cabinet into at least five mounting cavities from top to bottom, and a vertical mounting plate is fixed in each mounting cavity by rivet bolts, and there are ventilation holes on the left and right sides of the cabinet. The cabinet door is an explosion-proof transparent cabinet door. The invention is reasonable in structure and easy to use. By setting the power parameter monitoring device, the transmitted current, circuit breaker switch state and voltage can be converted into control signals and transmitted to the computer monitoring device, reducing the labor intensity of monitoring personnel. By setting the riveting bolt, The safety is improved, and the ventilation holes and dust caps can effectively dissipate heat and prevent dust from entering the cabinet.

Description

A combined distribution cabinet

This application is a divisional application of a patent application with an application date of August 28, 2013, an application number of 201310380485.7, and an invention title of "a combined power distribution cabinet".

technical field

The invention relates to the technical field of power distribution cabinets, and relates to a combined power distribution cabinet.

Background technique

Most of the major factories and residential buildings now use traditional instrument-type power distribution cabinets for power distribution; the voltage and current of the power distribution cabinets are displayed by pointer instruments, which makes monitoring personnel need to regularly monitor the power distribution data on-site, which is labor-intensive; During operation and maintenance, the cabinet door must be opened to observe the current, voltage and operating conditions. After opening the cabinet door, the conductive part will be directly exposed to the operator, seriously endangering the personal safety of the operator.

Contents of the invention

The invention provides a combined power distribution cabinet, which overcomes the above-mentioned deficiencies in the prior art, and can effectively solve the problems of poor automatic control and potential safety hazards in the existing power distribution cabinet.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a combined power distribution cabinet, including a cabinet body, a circuit breaker, a line detection device, a power parameter monitoring device, an ammeter and a voltmeter, and a horizontal mounting plate is fixed in the cabinet , the horizontal mounting plate divides the interior of the cabinet into at least five mounting cavities from top to bottom, and a vertical mounting plate is fixed in each mounting cavity. Ammeters and voltmeters are fixedly installed on the uppermost upper vertical mounting plate. The detection device is fixedly installed on the lowermost lower vertical installation board, and the circuit breaker and power parameter monitoring device are fixedly installed on at least three middle vertical installation boards between the upper vertical installation board and the lower vertical installation board; The main busbar, connecting terminals and current transformers are also fixedly installed in the cabinet. The electrical input end of the circuit breaker is electrically connected with the main busbar through the connecting busbar; the electrical output end of the circuit breaker is electrically connected with the connecting terminals through cables. The signal output terminal of the current transformer and the signal input terminal of the power parameter monitoring device are connected together through a transmission cable; a circuit breaker state detection module and an incoming line terminal are installed on the circuit breaker, and the signal output terminal of the circuit breaker state detection module is connected to the The signal input end of the power parameter monitoring device is connected together through a transmission cable; the signal output end of the incoming line terminal and the signal input end of the power parameter monitoring device are connected together through a transmission cable; an openable cabinet door is also installed on the cabinet body . Wherein, a circuit breaker and a power parameter monitoring device are fixedly installed on each middle vertical mounting plate.

Preferably, ventilation holes are provided on the left and right side panels of the cabinet body, and dust shielding caps are provided above the ventilation holes.

Further, the horizontal mounting plate includes an upper horizontal mounting plate and a lower horizontal mounting plate, there is a gap between the upper horizontal mounting plate and the lower horizontal mounting plate, and the ventilation holes are arranged at positions corresponding to the gap. The ventilation holes and gaps on the left and right sides of the cabinet form a ventilation channel, which can dissipate heat more effectively, and is blocked by the upper and lower horizontal installation plates to prevent dust from entering the installation cavity, effectively protecting various instruments.

Further, the horizontal mounting plate includes an upper horizontal mounting plate and a lower horizontal mounting plate, at least two horizontal passages passing through the left and right side panels of the cabinet body are arranged between the upper horizontal mounting plate and the lower horizontal mounting plate, and the ventilation holes are arranged at and horizontal The corresponding position of the channel. The ventilation holes and horizontal passages on the left and right sides of the cabinet form a ventilation passage, which can dissipate heat more effectively, and is blocked by the upper and lower horizontal installation plates to prevent dust from entering the installation cavity, effectively protecting various instruments.

Furthermore, at least one side of the left and right side panels of the cabinet is provided with a vertical channel, the upper end of the vertical channel is provided with a fan, and the lower end of the vertical channel is connected with the gap or the horizontal channel. The fan accelerates the air flow in the ventilation channel, so that the heat dissipation effect in the power distribution cabinet is better, and even when the external temperature is high, it can also achieve a good heat dissipation and cooling effect.

Preferably, the cabinet door is an explosion-proof transparent cabinet door.

Preferably, the cabinet door is divided into three parts, namely an upper cabinet door, a middle cabinet door and a lower cabinet door, the upper cabinet door corresponds to the upper vertical mounting plate, and the middle cabinet door corresponds to the middle vertical mounting plate, The lower cabinet door corresponds to the lower vertical mounting plate.

Preferably, the vertical mounting plate is fixed in the mounting cavity by blind rivet bolts.

The invention is reasonable in structure and easy to use. By setting the power parameter monitoring device, the transmitted current, circuit breaker switch state and voltage can be converted into control signals and transmitted to the computer monitoring device, reducing the labor intensity of monitoring personnel. By setting the riveting bolt, The safety is improved, and the ventilation holes and dust caps can effectively dissipate heat and prevent dust from entering the cabinet.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

Fig. 1 is the structural representation of the combined distribution cabinet of the present invention;

Fig. 2 is a side view of the combined distribution cabinet of the present invention.

Fig. 3 is a front sectional view of Embodiments 2 and 4 of the present invention.

Fig. 4 is a side sectional view of Embodiments 2 and 3 of the present invention.

Fig. 5 is a front sectional view of Embodiments 3 and 5 of the present invention.

Fig. 6 is a side sectional view of Embodiments 4 and 5 of the present invention.

The codes in the figure are: 1 is the cabinet body, 2 is the circuit breaker, 3 is the line detection device, 4 is the power parameter monitoring device, 5 is the ammeter, 6 is the voltmeter, 7 is the rivet bolt, 8 is the vertical installation Board, 81 is the upper vertical mounting plate, 82 is the middle vertical mounting plate, 83 is the lower vertical mounting plate, 9 is the cabinet door, 91 is the upper cabinet door, 92 is the middle cabinet door, 93 is the lower cabinet door, 10 For air vent, 11 is a dust cap, 12 is a horizontal mounting plate, 121 is an upper horizontal mounting plate, 122 is a lower horizontal mounting plate, 123 is a space, 124 is a horizontal channel, 13 is a vertical channel, and 14 is a fan.

detailed description

As shown in Figures 1 to 2, it is a preferred embodiment 1 of the combined power distribution cabinet of the present invention, including a cabinet body 1, a circuit breaker 2, a line detection device 3, a power parameter monitoring device 4, an ammeter 5 and a voltmeter 6, in the cabinet A horizontal mounting plate 12 is fixed inside the body 1, and the horizontal mounting plate 12 divides the interior of the cabinet body 1 into at least five mounting cavities from top to bottom, and a vertical mounting plate 8, an ammeter 5 and a voltmeter 6 are fixed in each mounting cavity Fixedly installed on the uppermost upper vertical mounting plate 81, the line detection device 3 is fixedly installed on the lowermost lower vertical mounting plate 83, and the circuit breaker 2 and the power parameter monitoring device 4 are fixedly installed on the upper vertical mounting plate 81 At least three middle vertical mounting plates 82 between the lower vertical mounting plate 83; the main bus bar, connecting terminals and current transformers are also fixedly installed in the cabinet 1, and the electrical input terminal of the circuit breaker 2 is connected to the main The bus boards are electrically connected together through connecting bus bars; the electrical output terminals of the circuit breaker 2 are electrically connected with the connection terminals through cables; the signal output terminals of the current transformers are connected with the signal input terminals of the power parameter monitoring device 4 through transmission cables A circuit breaker state detection module and an incoming line terminal are installed on the circuit breaker 2, and the signal output end of the circuit breaker state detection module is connected with the signal input end of the power parameter monitoring device 4 through a transmission cable; the signal output of the incoming line terminal terminal and the signal input terminal of the power parameter monitoring device 4 are connected together through a transmission cable; an openable cabinet door 9 is also installed on the cabinet body 1 . The vertical mounting plate 8 is fixed in the mounting cavity by blind rivet bolts 7 .

When working, by setting the power parameter monitoring device 4, the transmitted current, circuit breaker switch state and voltage can be converted into control signals and transmitted to the computer monitoring device, reducing the labor intensity of the monitoring personnel. By setting the blind rivet bolt 7, the Its disassembly is more convenient and fast, and at the same time, it can prevent the operator from disassembling without permission, and warns the operator not to disassemble at will, thereby strengthening its protective effect.

As shown in Figures 1 and 2, ventilation holes 10 are provided on the left and right side panels of the cabinet body 1, and a dust shielding cap 11 is provided above the ventilation holes 10, and the dust shielding cap 11 is located on the outer cabinet body 1. In this way, heat can be effectively dissipated through the ventilation holes 10 , and the dust cap 11 can cover the ventilation holes 10 to prevent dust from entering the cabinet body 1 .

As shown in Figure 1, the cabinet door 9 is an explosion-proof transparent cabinet door. This can increase safety, and at the same time, it is convenient to observe the working conditions of various instruments or devices inside.

As shown in Figure 1, cabinet door 9 is three pieces, is respectively upper cabinet door 91, middle cabinet door 92 and lower cabinet door 93, and upper cabinet door 91 corresponds to upper vertical mounting plate 81, and middle cabinet door 92 is connected to middle cabinet door. The vertical mounting plate 82 corresponds, and the lower cabinet door 93 corresponds to the lower vertical mounting plate 83 . As shown in FIG. 1 , the middle cabinet door 92 is a whole piece, corresponding to a plurality of middle vertical mounting plates 82 . It is convenient to open corresponding cabinet door 9 when checking like this.

As shown in Fig. 1 to Fig. 4, it is the preferred embodiment 2 of the combined distribution cabinet of the present invention. There is a gap 123 between the lower horizontal mounting plate 122 , the upper horizontal mounting plate 121 and the lower horizontal mounting plate 122 , and the ventilation hole 10 is arranged at a position corresponding to the gap 123 . The ventilation holes 10 and the gaps 123 on the left and right sides of the cabinet body 1 form a ventilation channel, which can dissipate heat more effectively, and is blocked by the upper horizontal installation plate 121 and the lower horizontal installation plate 122, so that dust cannot enter the installation cavity, effectively protecting various instruments .

As shown in Fig. 1, Fig. 2, Fig. 4 and Fig. 5, it is the preferred embodiment 3 of the combined power distribution cabinet of the present invention. The structure is basically similar to that of Embodiment 2, the difference is: as shown in Fig. At least one side is provided with a vertical channel 13 , the upper end of the vertical channel 13 is provided with a fan 14 , and the lower end of the vertical channel 13 communicates with the gap 123 . The fan 14 accelerates the air flow in the ventilation channel, so that the heat dissipation effect in the power distribution cabinet is better, and the effect of heat dissipation and cooling can be well realized even when the external temperature is high.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 6, it is the preferred embodiment 4 of the combined power distribution cabinet of the present invention. The horizontal mounting plate 122, the upper horizontal mounting plate 121 and the lower horizontal mounting plate 122 are provided with at least two horizontal passages 124 passing through the left and right sides of the cabinet body 1, and the ventilation holes 10 are arranged at positions corresponding to the horizontal passages 124. The ventilation holes 10 and the horizontal channels 124 on the left and right sides of the cabinet body 1 form a ventilation channel, which can dissipate heat more effectively, and are blocked by the upper horizontal mounting plate 121 and the lower horizontal mounting plate 122, so that dust cannot enter the mounting cavity, effectively protecting various instrument.

As shown in Fig. 1, Fig. 2, Fig. 5 and Fig. 6, it is the preferred embodiment 5 of the combined power distribution cabinet of the present invention, the structure is basically similar to that of Embodiment 4, the difference is: as shown in Fig. At least one side is provided with a vertical channel 13 , the upper end of the vertical channel 13 is provided with a fan 14 , and the lower end of the vertical channel 14 communicates with the horizontal channel 124 . Due to the effect of the fan 14, the heat dissipation effect of the power distribution cabinet will also be greatly increased.

The above is only a specific embodiment of the present invention, but the technical characteristics of the present invention are not limited thereto, any changes or modifications made by those skilled in the art within the field of the present invention are covered by the patent scope of the present invention among.

Claims (3)

1. null1. an assemblied distribution，It is characterized in that: include cabinet (1)、Chopper (2)、Line detection apparatus (3)、Power param eter supervision device (4)、Ammeter (5) and voltmeter (6)，Horizontal mounting plate (12) it is fixed with in cabinet (1)，Horizontal mounting plate (12) is divided at least five installation cavity from top to bottom by internal for cabinet (1)，Vertically-mounted plate (8) it is fixed with in each installation cavity，Ammeter (5) and voltmeter (6) are fixedly mounted on the upper vertically-mounted plate (81) of the top，Line detection apparatus (3) is fixedly mounted under bottom on vertically-mounted plate (83)，Chopper (2) and power param eter supervision device (4) be fixedly mounted on vertically-mounted plate (81) and under at least three between vertically-mounted plate (83) on vertically-mounted plate (82)；Also being installed with main bus-bar plate in cabinet (1), connect terminal summation current transformer, the electrical input of chopper (2) is electrically connected by being connected bus with main bus-bar plate；The electric outfan of chopper (2) is electrically connected by cable with being connected terminal；The signal output part of current transformer is linked together by transmission cable with the signal input part of power param eter supervision device (4)；Being provided with circuit-breaker status detection module and input terminal on chopper (2), the signal output part of circuit-breaker status detection module is linked together by transmission cable with the signal input part of power param eter supervision device (4)；The signal output part of input terminal is linked together by transmission cable with the signal input part of parameters of electric power supervising device (4)；Cabinet (1) is also equipped with openable cabinet door (9), air vent (10) it is equipped with on the left and right sides plate of cabinet (1), this air vent (10) be arranged over hide dirt cap (11), horizontal mounting plate (12) includes horizontal mounting plate (121) and lower horizontal mounting plate (122), the horizontal channel (124) of at least two through cabinet (1) left and right sides plates it is provided with between upper horizontal mounting plate (121) and lower horizontal mounting plate (122), air vent (10) is arranged on the position corresponding with horizontal channel (124), vertically-mounted plate (8) is fixed in installation cavity by pulling rivet bolt (7).
2. A kind of assemblied distribution, it is characterised in that: cabinet door (9) is explosion-proof transparent cabinet door.
3. A kind of assemblied distribution, it is characterized in that: cabinet door (9) is three pieces, it is respectively Over-The-Counter door (91), middle cabinet door (92) and lower cabinet door (93), Over-The-Counter door (91) is corresponding with upper vertically-mounted plate (81), middle cabinet door (92) with in vertically-mounted plate (82) corresponding, lower cabinet door (93) with under vertically-mounted plate (83) corresponding.