CN213212846U

CN213212846U - Integrated junction box that heat dispersion is high for track traffic

Info

Publication number: CN213212846U
Application number: CN202021546425.XU
Authority: CN
Inventors: 余旭丹
Original assignee: Zhejiang Shuchuang Technology Co ltd
Current assignee: Zhejiang Shuchuang Technology Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-05-14
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses an integrated junction box with high heat dissipation performance for track traffic, which relates to the technical field of integrated electrical junction boxes and comprises an outer shell of the electrical junction box, wherein the bottom of the outer shell is provided with a roller through a bearing, and the bottom of the outer shell is integrally formed with a connecting frame; the power connection box is convenient to move and carry, is provided with the support frame, and can be used for placing other tools or articles, so that the convenience and the space utilization rate are improved; and can utilize the inside temperature maintenance of the effectual guarantee of multiple radiating mode to connect the electronic box in suitable within range, the whole performance of effectual guarantee to connect the electronic box can also effectually keep apart the outside air simultaneously to can avoid outside dust and moisture to disturb the normal operating of electronic box internal component effectively, the effectual fault rate that reduces the electronic box.

Description

Integrated junction box that heat dispersion is high for track traffic

Technical Field

The utility model relates to an integrated power connection box technical field specifically is an integrated junction box that heat dispersion is high for track traffic.

Background

In rail transit, the junction box is used as indispensable electric appliance summarizing equipment in a power distribution system, and power distribution equipment such as an electric appliance switch, an electric appliance instrument and a line protector are centrally arranged in the same junction box, so that the electric appliance equipment can be centrally controlled, the space utilization rate is improved, the occupied area is small, and the control is convenient; the wiring box used in the existing rail transit is generally large in size and difficult to carry, so that the wiring box is not suitable for frequent movement, and therefore working is inconvenient.

If can the utility model a convenient removal, have good heat-sinking capability, can ensure the novel electronic box of normally working under various air conditions just can effectually solve this type of problem, for this we provide an integrated junction box that heat dispersion is high for track traffic.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrated junction box that heat dispersion is high for track traffic to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an integrated junction box with high heat dissipation performance for rail transit comprises an outer shell of the electrical junction box, wherein rollers are mounted at the bottom of the outer shell through bearings, a connecting frame is integrally formed at the bottom of the outer shell, a supporting bolt is mounted on the connecting frame through threads in a screwed mode, a supporting plate for supporting the outer shell is mounted at the bottom of the supporting bolt, a side shell is fixedly mounted on the left side of the outer shell through a fixing screw button, an air outlet and an air injection port which are connected with external refrigeration cycle equipment are formed in the side shell, and the air outlet and the air injection port are both communicated with an inner cavity of the outer shell;

the upper end and the lower end of the outer shell are both fixedly provided with a heat dissipation device through bolts, and the heat dissipation device comprises a matching frame, and the upper end of the matching frame is fixedly provided with a filter net rack through bolts, a protection cavity is formed between the filter net rack and the matching frame, an external fan is fixedly arranged in the protection cavity through bolts, and the lower end of the matching frame is fixedly provided with a separation plate through a bolt, an advection flow channel is formed between the separation plate and the matching frame, and the tail end of the isolation plate is provided with an air vent at the tail end corresponding to the advection flow channel, the isolation plate is fixedly provided with an internal circulation fan through a bolt, the inlet end of the internal circulation fan is connected with a hose, the outlet end of the internal circulation fan is communicated with the advection flow channel, the tail end of the hose is adhered with a mounting seat, and the mounting seat is fixed with the inner wall of the outer shell through screws, and the internal circulation fan and the external fan are electrically connected with the power connection seat in the power connection box.

Preferably, integrated into one piece has the liquid reserve tank on the casing of side, and integrated into one piece has the return flow pipe and annotates the flow pipe that link to each other with outside liquid cooling circulating device on the casing of side, the inside of liquid reserve tank is kept apart through the inner baffle and is formed the inner flow way, and the both ends of inner flow way respectively with return flow pipe and annotate the flow pipe intercommunication, the rear end integrated into one piece of liquid reserve tank has heat radiation fins, and the rear end of liquid reserve tank has the heat pipe that is used for the heat conduction through bolt fixed mounting.

Preferably, the guide arm is installed in the shell body by sliding plug-in connection, and the end integrated into one piece of guide arm has a support frame, the array is provided with at least three locating hole on the guide arm, and the spiro union is installed on the shell body and is installed the location knob that matches with the locating hole, integrated into one piece has the mesh board on the support frame, and the waist type hole of conveniently holding is seted up at both ends around the support frame.

Preferably, a handle is fixedly mounted above the outer shell, and the hose is a rubber tube.

Compared with the prior art, the beneficial effects of the utility model are that: the power connection box designed by the utility model is convenient to move and carry, and is provided with the support frame, so that other tools or articles can be placed by using the support frame, and the convenience and the space utilization rate are improved; and can utilize the effectual guarantee of multiple radiating mode to connect the inside temperature of electrical box to maintain suitable within range to effectual guarantee connects the whole performance of electrical box, can also effectually keep apart the outside air simultaneously, thereby can avoid outside dust and moisture to disturb the normal operating of electrical box internal component effectively, the effectual fault rate that reduces the electrical box has very high practical value.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a schematic structural view of the heat dissipation device of the present invention;

fig. 4 is an assembly diagram of the side casing and the liquid storage tank of the present invention.

In the figure: the heat dissipation device comprises an outer shell 1, a heat dissipation device 2, a filter screen frame 201, a 202 isolation plate, an 203 internal circulation fan, a 204 external fan, 205 air holes, a 206 protection cavity, a 207 matching frame, a 208 hose, a 209 mounting seat, a 3 support frame, 4 positioning holes, 5 guide rods, 6 handles, 7 positioning screw buttons, 8 rollers, 9 support plates, 10 support bolts, 11 exhaust ports, 12 air injection ports, 13 side shells, 14 return pipes, 15 flow injection pipes, 16 fixing screw buttons, 17 heat dissipation fins, 18 heat pipes, 19 internal partition plates, 20 liquid storage tanks, 21 internal flow channels and 22 connecting frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 4, the present invention provides a technical solution: an integrated junction box with high heat dissipation performance for rail transit comprises an outer shell 1 of the electrical junction box, wherein rollers 8 are mounted at the bottom of the outer shell 1 through bearings, a connecting frame 22 is integrally formed at the bottom of the outer shell 1, a supporting bolt 10 is mounted on the connecting frame 22 through thread screwing, a supporting plate 9 for supporting the outer shell 1 is mounted at the bottom of the supporting bolt 10, a side shell 13 is fixedly mounted at the left side of the outer shell 1 through a fixed screw button 16, an air exhaust port 11 and an air injection port 12 which are connected with external refrigeration cycle equipment are formed in the side shell 13, and the air exhaust port 11 and the air injection port 12 are both communicated with an inner cavity of the outer shell 1;

the upper end and the lower end of the outer shell 1 are both fixedly provided with the heat dissipation device 2 through bolts, the heat dissipation device 2 comprises a matching frame 207, the upper end of the matching frame 207 is fixedly provided with a filter screen frame 201 through bolts, a protection cavity 206 is formed between the filter screen frame 201 and the matching frame 207, an external fan 204 is fixedly arranged in the protection cavity 206 through bolts, the matching frame 207 is made of a soaking plate, the lower end of the matching frame 207 is fixedly provided with a separation plate 202 through bolts, a advection flow channel is formed between the separation plate 202 and the matching frame 207, the tail end of the separation plate 202 is provided with a vent hole 205 at the tail end corresponding to the advection flow channel, the separation plate 202 is fixedly provided with an internal circulation fan 203 through bolts, the inlet end of the internal circulation fan 203 is connected with a hose 208, the outlet end of the internal circulation fan 203 is communicated with the advection flow channel, the tail end of the hose 208 is provided with a mounting seat 209, the internal circulation fan 203 and the external fan 204 are both electrically connected with an electric connection seat in the electric connection box;

a liquid storage tank 20 is integrally formed on the side shell 13, a reflux pipe 14 and an injection pipe 15 connected with an external liquid cooling circulation device are integrally formed on the side shell 13, the interior of the liquid storage tank 20 is isolated by an inner baffle plate 19 to form an inner flow passage 21, two ends of the inner flow passage 21 are respectively communicated with the reflux pipe 14 and the injection pipe 15, a heat dissipation fin 17 is integrally formed at the rear end of the liquid storage tank 20, a heat pipe 18 for heat conduction is fixedly installed at the rear end of the liquid storage tank 20 through a bolt, a guide rod 5 is slidably inserted and installed on the outer shell 1, a support frame 3 is integrally formed at the tail end of the guide rod 5, at least three positioning holes 4 are arranged on the guide rod 5 in an array manner, a positioning screw button 7 matched with the positioning holes 4 is installed on the outer shell 1 in a screw manner, a mesh plate is integrally formed on the support frame 3, waist-shaped holes convenient to hold are formed at the front end and the rear end, and the hose 208 is a rubber tube.

The working principle is as follows: when the electric box needs to be carried, the electric box can be dragged by one of the rollers 8 in an inclined posture only by holding the handle 6 or the waist-shaped hole on the support frame 3, or the support plate 9 can be lifted by the support bolt 10, so that the two rollers 8 are directly utilized for translation, the position of the electric box on the flat ground is greatly convenient to move, the device can also be directly held by the handle 6 or the connecting frame 22 for carrying, and various transportation requirements are met; the device is also provided with the support frame 3, the height of which can be adjusted through the positioning screw buttons 7, so that other tools or objects can be placed on the support frame 3, and convenience and space utilization rate can be improved; the device adopts various heat dissipation modes to ensure the normal work of the power connection box, and can effectively ensure the cleanness of the interior of the power connection box, thereby avoiding the fault caused by the entering of dust and the like into the power connection box; at first this various switches on the shell body 1 of electrical box can adopt the light touch switch or paste on it and apply dustproof plastic film, and the gap between shell body 1 and the external joint also can utilize rubber pad etc. to seal to make the shell body inside be in encapsulated situation, can utilize following three kinds of radiating mode to dispel the heat this moment: firstly, heat can be dissipated by a liquid cooling mode, during heat dissipation, external cooling liquid is sent into the liquid storage tank 20 through the flow injection pipe 15, so that heat exchange is carried out between heat inside the power connection box and the cooling liquid through the heat dissipation fins 17 and the heat pipe 18, and the cooling liquid after heat exchange flows out again through the return flow pipe 14 so as to provide circulating heat dissipation; the device can also directly send cold air generated by external refrigeration equipment into the electric box through the air injection port 12, and the cold air passes through the dehumidifier in advance to remove moisture in the cold air, so that the normal work of elements in the electric box cannot be interfered, and simultaneously, hot air in the electric box can be discharged again through the exhaust port 11 to realize air cooling circulation heat dissipation; when the device is inconvenient to add an external heat dissipation device, the device can also dissipate heat in a heat conduction mode, firstly, the matching frame 207 of the device is a soaking plate which can conveniently conduct heat, when the temperature in the electric box is higher, the heat can be transferred into external air through the matching frame 207, the external air can improve the circulation speed by using the external fan 204, the heat conduction efficiency is improved, the air in the electric box can also improve the circulation speed by using the internal circulation fan 203, firstly, the inlet ends of the hoses 208 are fixed near a heat source by using the mounting seats, so that the hot air generated near the heat source can be effectively and directly sent into the internal circulation fan 203, then, the internal circulation fan 203 sends the hot air into a advection flow channel between the isolation plate 202 and the matching frame 207, and the heat in the hot air is effectively conducted into the external air through the matching frame 207, the existence of the advection flow channel can effectively improve the effective contact area between the hot air and the matching frame 207, thereby further improving the heat exchange efficiency. This connect electrical box not only conveniently removes and carries, from taking strutting arrangement moreover, external equipment easy to assemble, and the temperature that can utilize the effectual guarantee of multiple radiating mode to connect the inside of electrical box maintains in suitable within range, and the whole performance of effectual guarantee connects electrical box can also effectually keep apart the outside air simultaneously to can avoid outside dust and moisture to disturb the normal operating of connecting the electrical box internal component effectively, the effectual fault rate that has reduced the electrical box has very high practical value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an integrated junction box that heat dispersion is high for track traffic, includes the shell body (1) of junction box, its characterized in that: the refrigerator comprises an outer shell (1), rollers (8) are mounted at the bottom of the outer shell (1) through bearings, a connecting frame (22) is integrally formed at the bottom of the outer shell (1), a supporting bolt (10) is mounted on the connecting frame (22) through threaded screwing, a supporting plate (9) used for supporting the outer shell (1) is mounted at the bottom of the supporting bolt (10), a side shell (13) is fixedly mounted on the left side of the outer shell (1) through a fixing screw button (16), an air exhaust port (11) and an air injection port (12) which are connected with external refrigeration cycle equipment are formed in the side shell (13), and the air exhaust port (11) and the air injection port (12) are both communicated with an inner cavity of the outer shell (1);

the heat dissipation device (2) is fixedly installed at the upper end and the lower end of the outer shell (1) through bolts, the heat dissipation device (2) comprises a matching frame (207), a filter net rack (201) is fixedly installed at the upper end of the matching frame (207) through bolts, a protection cavity (206) is formed between the filter net rack (201) and the matching frame (207), an external fan (204) is fixedly installed in the protection cavity (206) through bolts, a partition plate (202) is fixedly installed at the lower end of the matching frame (207) through bolts, a advection flow channel is formed between the partition plate (202) and the matching frame (207), air holes (205) are formed in the tail end of the partition plate (202) at the tail end corresponding to the advection flow channel, an internal circulation fan (203) is fixedly installed on the partition plate (202) through bolts, and the inlet end of the internal circulation fan (203) is connected with a hose (208), and the exit end and the advection runner intercommunication of inner loop fan (203), mount pad (209) are installed in the bonding of the end of hose (208), and the inner wall of mount pad (209) through screw and shell body (1) is fixed, inner loop fan (203) and external fan (204) all with connect electrical socket electric connection in the electronic box.

2. The integrated junction box for rail transit with high heat dissipation performance according to claim 1, characterized in that: integrated into one piece has liquid reserve tank (20) on side casing (13), and integrated into one piece has return flow pipe (14) and notes flow pipe (15) that link to each other with outside liquid cooling circulating device on side casing (13), the inside of liquid reserve tank (20) is kept apart through interior baffle (19) and is formed interior runner (21), and the both ends of interior runner (21) communicate with return flow pipe (14) and notes flow pipe (15) respectively, the rear end integrated into one piece of liquid reserve tank (20) has heat radiation fins (17), and the rear end of liquid reserve tank (20) has heat pipe (18) that are used for heat conduction through bolt fixed mounting.

3. The integrated junction box for rail transit with high heat dissipation performance according to claim 1, characterized in that: the utility model discloses a portable electric tool, including shell body (1), end integrated into one piece has support frame (3), the end integrated into one piece of shell body (1) is gone up to slide to peg graft and is installed guide arm (5), and the end integrated into one piece of guide arm (5) has support frame (3), the array is provided with at least three locating hole (4) on guide arm (5), and the spiro union is installed and is installed location knob (7) that match with locating hole (4) on shell body (1), integrated into one piece has the mesh board on support frame (3), and the waist type hole of conveniently holding is seted.

4. The integrated junction box for rail transit with high heat dissipation performance according to claim 1, characterized in that: the handle (6) is fixedly arranged above the outer shell (1), and the hose (208) is a rubber tube.