CN211958344U - Lighting power distribution cabinet - Google Patents

Abstract

A lighting distribution cabinet; comprising a combined lower box body and a plurality of upper box bodies, the combined lower box body is composed of a front side panel, a rear side panel, a plurality of left side panels, a plurality of right side panels and a plurality of bottom side panels The length of the left side plate, the right side plate, the bottom side plate and the upper box body is the same. There are triangular grooves, sliding top blocks are installed on the slopes of the grooves, and control shafts are rotatably installed on the front and rear side plates. The shaft is screwed with the push plate; by controlling the movement of the fan installed in the combined lower box to cool down the power distribution cabinet, the wind pressure loss is small, so as to ensure the normal operation of the electrical accessories in the power distribution cabinet, according to the actual needs. When the volume of the power distribution cabinet is increased, the working stroke of the fan can be increased by increasing the number of upper boxes and combining and assembling the length of the devices in the heat sink.

Description

A lighting distribution cabinet

technical field

The utility model relates to the technical field of power distribution cabinets, in particular to a lighting power distribution cabinet.

Background technique

The power distribution cabinet is a kind of electrical equipment, which is used for power distribution, control, measurement and connection of cables in the power supply system. It is the total control center of various electrical appliances. The outside line first enters the main control switch in the cabinet, and then enters the sub-control switch, and each sub-circuit is set according to its needs. Such as instrumentation, automatic control, motor magnetic switch, various AC contactors, etc., and some also have high-voltage room and low-voltage room switch cabinets, with high-voltage busbars, such as power plants. In the prior art, as more and more electrical components and wires and cables need to be accommodated inside the power distribution cabinet, the volume of the power distribution cabinet also becomes larger. The existing power distribution cabinets are often designed to be relatively closed, and the interior of the power distribution cabinet is not well lit, which brings a lot of inconvenience to the installation and maintenance of the staff, especially the inspection and maintenance of the power distribution cabinet at night or in underground places, which affects the staff more Therefore, the existing power distribution cabinets are usually equipped with lighting lamps.

The current power distribution cabinets all have the effect of ventilation and cooling, but the cooling effect is not ideal and needs to be further improved. Now people's demand for electricity is increasing. When the power consumption is too large, the temperature of the power distribution cabinet will rise. If the temperature inside the cabinet is too high, failure to dissipate heat in time will damage the internal equipment and affect the life of the equipment.

Therefore, a lighting distribution cabinet is needed to solve this problem.

Utility model content

In view of the above situation, in order to overcome the defects of the prior art, the purpose of the present invention is to provide a lighting distribution cabinet, which effectively solves the above problems.

Its technical solution is that the utility model comprises a combined lower box body and a plurality of upper box bodies, and the combined lower box body is composed of a front side plate, a rear side plate, a plurality of left side plates, a plurality of right side plates and a plurality of upper boxes. The length of the left side plate, the right side plate, the bottom side plate and the upper box body is the same, and the upper ends of the left side plate and the right side plate are provided with a connecting plate which is connected to the upper box body obliquely. , The right side plate and the connecting plate are provided with a plurality of heat dissipation holes, and a heat dissipation device is provided between the left side plate and the upper box body and between the right side plate and the upper box body, and each bottom side plate is provided with a triangular A groove, a sliding top block is slidably installed on the inclined surface of the groove, the lower side of the sliding top block is parallel to the inclined surface of the groove, and the upper end surface of the sliding top block also rotates with a plurality of balls, and the front side plate and the rear side plate rotate. A control shaft is installed, and the control shaft passes through the empty groove on the sliding top block. The front and rear sides of the sliding top block are provided with push plates, and the push plates are slidably connected with the left and right plates. The push plate is threadedly connected, and one end of the control shaft passing through the rear side plate is provided with a handle;

The heat dissipation device includes a fixing frame arranged on the left side panel or the right side panel, the fixing frame is provided with a horizontal sliding rail, a sliding block is slidably installed in the sliding rail, a fan is installed on the front side of the sliding block, and the sliding block is installed. The upper and lower ends of the rear side are provided with fixed plates, the fixed frame is also provided with a transmission chain with a return track, a fixed block is installed on the transmission chain, and the fixed block is provided with a protrusion;

The upper end of the upper box body is provided with a lighting lamp.

The beneficial effects of the utility model are as follows: the utility model has an ingenious structure and a novel concept, and the power distribution cabinet is cooled by controlling the movement of the fan installed in the combined lower box, and the loss of wind pressure is small, so as to ensure the electrical appliances in the power distribution cabinet. For the normal operation of the accessories, when the volume of the power distribution cabinet is increased according to the actual demand, the working stroke of the fan can be increased by increasing the number of upper boxes and combining and assembling the length of the devices in the cooling device.

Description of drawings

Figure 1 is a side cross-sectional view of the present invention.

Figure 2 is a front cross-sectional view of the present invention.

FIG. 3 is a cross-sectional view of the present utility model in the direction A-A in FIG. 1 .

FIG. 4 is a cross-sectional view of the present utility model in the direction B-B in FIG. 2 .

Fig. 5 is an enlarged view of C in Fig. 4 of the present invention.

Detailed ways

The specific embodiments of the present utility model will be further described in detail below with reference to the accompanying drawings.

Example:

As shown in FIGS. 1 to 5 , the present invention includes a combined lower box body 1 and a plurality of upper box bodies 2 . The combined lower box body 1 is composed of a front side plate 3 , a rear side plate 4 , and a plurality of left side plates 5 . , a plurality of right side plates 6 and a plurality of bottom side plates 7 are composed, the left side plate 5, the right side plate 6, the bottom side plate 7 and the upper box 2 have the same length, and the upper ends of the left side plate 5 and the right side plate 6 are the same. There is a connecting plate 8 connected to the upper box body 2 obliquely, and a plurality of heat dissipation holes 9 are arranged on the left plate 5, the right plate 6 and the connecting plate 8. A heat dissipation device is provided between the side plate 6 and the upper box body 2, and each bottom side plate 7 is provided with a triangular groove 33, and a sliding top block 34 is slidably installed on the inclined surface of the groove 33. The lower side is parallel to the inclined surface of the groove 33, the upper end surface of the sliding top block 34 is horizontal, the upper end surface of the sliding top block 34 is also rotated with a plurality of balls 10, and the front side plate 3 and the rear side plate 4 are rotated and installed with a control shaft 11. , the control shaft 11 passes through the empty groove on the sliding top block 34, the front side and the rear side of the sliding top block 34 are provided with push plates 12, and the push plates 12 are slidably connected with the left side plate 5 and the right side plate 6, The control shaft 11 is threadedly connected with the push plate 12, so that the rotation of the control shaft 11 can drive the sliding top block 34 to move back and forth, so that when the water enters the combined lower box 1 through the heat dissipation hole 9, the sliding top block 34 moves backward. Then the upper box body 2 is driven to move upward, away from the water, which can effectively protect the distribution box and reduce the occurrence of accidents. Rotate the control shaft 11;

The heat dissipation device includes a fixing frame 32 arranged on the left side panel 5 or the right side panel 6. The fixing frame 32 is provided with a horizontal sliding rail 15, and a sliding block 16 is slidably installed in the sliding rail 15. The fan 17 is installed on the front side, the upper and lower ends of the rear side of the slider 16 are provided with fixed plates 18, the fixed frame 32 is also provided with a transmission chain 19 with a return track, and a fixed block 20 is installed on the transmission chain 19. The fixed block 20 There is a protrusion 21 on it, when the fixed block 20 moves with the transmission chain 19, the protrusion 21 on the fixed block 20 drives the fan 17 installed on the slider 16 to move left and right through the fixed plate 18;

The upper end of the upper box body 2 is provided with a lighting lamp 14 .

In order that the motor that cannot be reversed can still drive the fan 17 to move left and right through the unidirectional transmission chain 19 , the transmission chain 19 passes through the upper and lower front surfaces of the multiple upper boxes 2 arranged on the combined lower box 1 . On the side, the fixed plate 18 and the fixed frame 32 are provided with a control device for driving the slider 16 to move left and right. The control device includes a main shaft 22 arranged at the end of the fixed plate 18 and a top rod 23 installed on the upper and lower ends of the fixed frame 32. The rod 23 is installed at one end of the transmission chain 19 in the upper end face or the lower end face in the transmission direction. The front and rear ends of the main shaft 22 are provided with a first connecting plate 24 and a second connecting plate. The first connecting plate 24 is driven by the transmission chain 19. One end is provided with a wedge-shaped block 25 which is matched with the ejector rod 23. The inclined surface of the wedge-shaped block 25 is one end of the transmission chain 19 in the transmission direction. The connected pawl 26, the direction of the pawl 26 points to the slider 16, when the pawl 26 pushes against the protrusion 21, with the movement of the transmission chain 19, the protrusion 21 on the fixed block 20 carries the slider through the pawl 26. The block 16 moves with the transmission direction of the transmission chain 19, and the fixed plate 18 is provided with a spring 27. One end of the spring 27 is connected to the position of the first connecting plate 24 of the fixed plate 18 near one end of the slider 16, and the other end of the spring 27 is connected to the position of the first connecting plate 24 of the fixed plate 18. The first connecting plate 24 is connected to the position close to the pawl 26, so that when the first connecting plate 24 and the second connecting plate are not subjected to an additional force other than gravity, the pawl 26 is always under the action of the spring 27. On top of the protrusion 21 .

The end of the fixing plate 18 is provided with a first limit rod 28 and a second limit rod 29, the first connecting plate 24 is provided with a positioning rod 30, and the end of the positioning rod 30 is set on the first limit rod. 28 and the second limit rod 29, the first limit rod 28 and the second limit rod 29 limit the rotation angle of the shaft through the positioning rod 30, so that when the device is subjected to impact or vibration, the first connecting plate 24 and the second connecting plate will not be rotated to an angle that cannot continue to work, which improves the stability and safety of the device.

In order to install the ejector rod 23 more conveniently, the ejector rod 23 is an L-shaped rod, one end of the L-shaped rod is fixedly installed on the fixing frame 32, and the other end of the L-shaped rod is parallel to the upper end surface of the transmission chain 19. The end of the L-shaped rod parallel to the upper end of the transmission chain 19 is a hemispherical surface, which can reduce the friction between the top rod 23 and the inclined surface of the wedge block 25 and improve the service life of the top rod 23 and the wedge block 25 .

The fixing frame 32 is provided with a plurality of rollers 31 , and the transmission chain 19 is mounted on the rollers 31 .

The sliding rail 15 is composed of a plurality of upper sliding plates and a plurality of lower sliding plates, and the length of each upper sliding plate and the lower sliding plate is the same as that of the first upper box body 2; the fixing frame 32 is composed of two vertical support plates. It is formed by combining with a plurality of horizontal support plates, the length of each horizontal support plate is the same as the length of the upper box 2, the two ends of each horizontal support plate are provided with rollers 31, and the transmission chain 19 is connected by a plurality of chains so that the length of the transmission chain 19 can be adjusted, so that when the number of the upper box 2 is determined according to the actual demand, an appropriate number of left side plates 5 and right side plates 6 are selected to combine the combined lower box body 1 After forming, a plurality of upper boxes 2 are installed side by side in the combined lower box 1, and then an appropriate number of upper slides and lower slide horizontal support plates are selected to combine the slide rails 15 and fixing frames 32 with suitable lengths, so that the number of One fan 17 can be used for the upper case 2 in a certain interval (3-7) to dissipate heat.

The fixed frame 32 is provided with a rotating motor that drives the rollers 31 to rotate to provide power for the transmission chain 19 .

The front side plate 3, the rear side plate 4, the plurality of left side plates 5, the plurality of right side plates 6 and the plurality of bottom side plates 7 are directly connected by bolts. Each of the left side panels 5, the plurality of right side panels 6 and the plurality of bottom side panels 7 are connected with sealing strips.

When the utility model is in use, the transmission chain 19 is driven by the rotating motor. When the transmission chain 19 moves to a certain distance, the protrusion 21 of the fixed block 20 on the transmission chain 19 is pressed against the second connecting plate on the upper end of the slider 16. The pawl 26 drives the slider 16 and the fan 17 to move with the transmission chain 19. When the transmission chain 19 carries the slider 16 and the fan 17 to move to the limit distance in this direction, the wedge-shaped block 25 on the first connecting plate 24 pushes against the On the top rod 23, the wedge block 25 drives the main shaft 22 to rotate, the pawl 26 leaves the protrusion 21, the slider 16 and the fan 17 stay at this position, and the transmission chain 19 continues to move. When the fixed block on the transmission chain 19 When the protrusion 21 of 20 is pressed against the pawl 26 on the second connecting plate at the lower end of the slider 16, the transmission chain 19 drives the fan 17 to move in the opposite direction from before, and so on, the transmission chain 19 carries the fan 17 on the upper side. The box body 2 moves up and down, and stays at the left and right ends of the upper box body 2 for a certain period of time. The fan 17 can effectively cool the various positions of the upper box body 2, and the air with heat leaves the combination through the heat dissipation holes 9. The lower box body 1 is installed, and the cold air from the outside enters through the heat dissipation holes 9 .

The beneficial effects of the utility model are as follows: the utility model has an ingenious structure and a novel concept, and the power distribution cabinet is cooled by controlling the movement of the fan installed in the combined lower box, and the loss of wind pressure is small, so as to ensure the electrical appliances in the power distribution cabinet. For the normal operation of the accessories, when the volume of the power distribution cabinet is increased according to the actual demand, the working stroke of the fan can be increased by increasing the number of upper boxes and combining and assembling the length of the devices in the cooling device.

The above-mentioned specific embodiments/embodiments are specific specific embodiments of the present invention, and are used to illustrate the concept of the present invention. They are all explanatory and exemplary, and should not be construed as interpreting the embodiments of the present invention and the scope of the present invention. limits. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the contents disclosed in the claims and the description of the present application, and these technical solutions include any obvious technical solutions to the embodiments described herein. The technical solutions of replacement and modification are all within the protection scope of the present invention. In particular, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any manner. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims (8)

1. A lighting distribution cabinet, characterized in that it comprises a combined lower box (1) and a plurality of upper boxes (2), the combined lower box (1) is composed of a front side plate (3), a rear side A plate (4), a plurality of left plates (5), a plurality of right plates (6) and a plurality of bottom side plates (7), the left plate (5), the right plate (6), the bottom side plate (7) The length of the upper box body (2) is the same, and the upper ends of the left side plate (5) and the right side plate (6) are provided with connecting plates (8) which are connected obliquely on the upper box body (2). The plate (5), the right plate (6) and the connecting plate (8) are provided with a plurality of heat dissipation holes (9), between the left plate (5) and the upper box (2) and the right plate (6) A heat dissipation device is arranged between the upper box (2), each bottom side plate (7) is provided with a triangular groove (33), and a sliding top block (34) is slidably installed on the slope of the groove (33). ), the lower side of the sliding top block (34) is parallel to the inclined surface of the groove (33), the upper end surface of the sliding top block (34) is also rotated with a plurality of balls (10), the front side plate (3) and the rear side plate (4) A control shaft (11) is rotatably installed on the upper part, and the control shaft (11) is inserted into the empty groove on the sliding top block (34), and the front and rear sides of the sliding top block (34) are provided with push plates (12), the push plate (12) is slidably connected with the left side plate (5) and the right side plate (6), the control shaft (11) is threadedly connected with the push plate (12), and the control shaft (11) passes through the One end is provided with a handle (13); The cooling device comprises a fixing frame (32) arranged on the left side plate (5) or the right side plate (6), the fixing frame (32) is provided with a horizontal sliding rail (15), the sliding rail (15) A slider (16) is slidably installed inside, a fan (17) is installed on the front side of the slider (16), and a fixing plate (18) is arranged on the upper and lower ends of the rear side of the slider (16). A transmission chain (19) with a return track is also provided, a fixed block (20) is installed on the transmission chain (19), and a protrusion (21) is arranged on the fixed block (20); The upper end of the upper box body (2) is provided with a lighting lamp (14). 2. A lighting distribution cabinet according to claim 1, characterized in that the drive chain (19) passes through the front ends of a plurality of upper boxes (2) arranged on the combined lower box (1). On the upper and lower sides of the surface, the fixed plate (18) and the fixed frame (32) are provided with a control device for driving the slider (16) to move left and right, and the control device includes a main shaft (22) arranged at the end of the fixed plate (18) and the installation The ejector rods (23) at the upper and lower ends of the fixing frame (32) are installed at one end of the transmission chain (19) in the upper or lower end face in the transmission direction, and the front and rear ends of the main shaft (22) are provided with The first connecting plate (24) and the second connecting plate, one end of the first connecting plate (24) is provided with a wedge-shaped block (25) which is matched and connected with the ejector rod (23), and the inclined surface of the wedge-shaped block (25) is a transmission chain (19) One end of the transmission direction, and one end of the second connecting plate is provided with a pawl (26) that cooperates with the protrusion (21). The direction of the pawl (26) points to the slider (16), when the pawl (26) ) on the protrusion (21), with the movement of the transmission chain (19), the protrusion (21) on the fixed block (20) carries the slider (16) through the pawl (26) along with the transmission chain ( 19) The direction of transmission moves, the fixed plate (18) is provided with a spring (27), and one end of the spring (27) is connected to the position near the first connecting plate (24) of the fixed plate (18) near one end of the slider (16). , the other end of the spring (27) is connected with the position of the first connecting plate (24) close to the pawl (26). 3. A lighting distribution cabinet according to claim 1, characterized in that a first limit rod (28) and a second limit rod (29) are provided at the end of the fixing plate (18) The first connecting plate (24) is provided with a positioning rod (30), and the end of the positioning rod (30) is arranged between the first limiting rod (28) and the second limiting rod (29). 4. A lighting distribution cabinet according to claim 2, characterized in that the top rod (23) is an L-shaped rod, one end of the L-shaped rod is fixedly installed on the fixing frame (32), and the L-shaped rod The other end of the rod is parallel to the upper end surface of the transmission chain (19), and the end of the L-shaped rod parallel to the upper end of the transmission chain (19) is a hemispherical surface. 5 . The lighting distribution cabinet according to claim 1 , wherein a plurality of rollers ( 31 ) are provided on the fixing frame ( 32 ), and the transmission chain ( 19 ) is mounted on the rollers ( 31 ). 6 . . 6. A lighting power distribution cabinet according to claim 1, characterized in that, the slide rail (15) is composed of a plurality of upper sliding plates and a plurality of lower sliding plates, and the length of each upper sliding plate and the lower sliding plate is the same as that of the lower sliding plate. The length of the first upper box body (2) is the same; the fixing frame (32) is formed by combining two vertical support plates and a plurality of horizontal support plates, and the length of each horizontal support plate is the same as that of the upper box body (2). The length of the transmission chain (19) is the same, and the transmission chain (19) is connected by a plurality of chains, so that the length of the transmission chain (19) is adjustable. 7 . The lighting distribution cabinet according to claim 1 , wherein the fixed frame ( 32 ) is provided with a rotating motor that drives the rollers ( 31 ) to rotate, so as to provide power for the transmission chain ( 19 ). 8 . 8 . The lighting distribution cabinet according to claim 1 , wherein the front side panel ( 3 ), the rear side panel ( 4 ), a plurality of left side panels ( 5 ), a plurality of right side panels The plate (6) and the plurality of bottom side plates (7) are directly connected by bolts, the front side plate (3), the rear side plate (4), the plurality of left side plates (5), and the plurality of right side plates (6) Sealing strips are provided at the joints with the plurality of bottom side plates (7).

Images