CN210898200U

CN210898200U - Outdoor waterproof power cabinet

Info

Publication number: CN210898200U
Application number: CN201922002499.0U
Authority: CN
Inventors: 周中玉; 王凤宾; 王吉华; 邵泽顺
Original assignee: Qingdao Pujing Electric Co ltd
Current assignee: Qingdao Pujing Electric Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-06-30
Anticipated expiration: 2029-11-19

Abstract

The utility model belongs to the technical field of power cabinets and discloses an outdoor waterproof power cabinet, which comprises a cabinet body provided with an inner cavity and a cabinet door rotatably arranged on one side of the cabinet body, wherein the inner wall of the cabinet door is provided with a sealing ring matched with the inner cavity of the cabinet body; the cabinet is characterized by further comprising a base arranged at the bottom of the cabinet body, the four side faces of the base can be ventilated, a coiled pipe is arranged in the base, two ends of the coiled pipe are respectively connected with an air inlet pipe and an air outlet pipe, the air inlet pipe extends to the top wall in the cabinet body, a circulating fan is arranged on the air inlet pipe, the air outlet pipe extends to the lower wall in the cabinet body, and the air outlet pipe is matched with the air inlet pipe to realize circulating heat dissipation in the cabinet body; the utility model sets the whole power cabinet as a sealing structure to achieve good waterproof effect; meanwhile, due to the arrangement of the coiled pipes, the power cabinet is internally provided with an exchange type heat dissipation, and the normal work of the electric elements in the power cabinet is effectively guaranteed.

Description

Outdoor waterproof power cabinet

Technical Field

The utility model belongs to the technical field of the power cabinet, concretely relates to outdoor waterproof power cabinet.

Background

The power cabinet is an electrical control cabinet combination for providing power for normal operation of the whole machine, and comprises a fuse, a circuit breaker, a contactor, a frequency converter, a high-voltage cabinet, a transformer and the like, so that the power cabinet is provided with more electrical elements, and in order to ensure normal operation of the electrical elements, the power cabinet is required to be ensured to have good heat dissipation performance, and heat dissipation holes or heat dissipation windows are inevitably required to be formed in a cabinet body; however, as for the power cabinet applied to the outdoor environment, the working environment is complex, especially in the rainy and snowy weather, the heat dissipation holes or the heat dissipation windows for heat dissipation are likely to guide rain and snow into the cabinet body, so that the electrical elements are affected with damp and damaged, and the service life and the maintenance cost of the outdoor power cabinet are greatly reduced.

Disclosure of Invention

In view of this, the utility model provides an outdoor waterproof power cabinet to effectively solve effective heat dissipation and the waterproof problem of power cabinet when the open air is used.

In order to achieve the above object, the utility model provides a following technical scheme: an outdoor waterproof power cabinet comprises a cabinet body provided with an inner cavity and a cabinet door rotatably installed on one side of the cabinet body, wherein a sealing ring matched with the inner cavity of the cabinet body is arranged on the inner wall of the cabinet door, and a perspective window is embedded in the middle of the cabinet door, so that the whole power cabinet is hermetically used; still including installing in the base of cabinet body bottom, and four sides of base all can ventilate, the universal wheel is installed to the base bottom, and base internally mounted has the coiled pipe, the both ends of coiled pipe are connected with the air-supply line respectively and go out the tuber pipe, wherein on the air-supply line extends to the internal roof of cabinet, and installs circulating fan on the air-supply line, go out on the tuber pipe extends to the internal low wall of cabinet, realize the internal circulation heat dissipation of cabinet with the air-supply line cooperation.

Preferably, the base is including roof, bracing piece and the bottom plate that from top to bottom connects gradually, wherein the bracing piece equidistance is equipped with a plurality ofly to the realization is to the protection of coiled pipe, universal wheel snap-on in the bottom plate bottom.

Preferably, the forced heat exchange device further comprises a forced heat exchange assembly, wherein the forced heat exchange assembly is arranged on the bottom plate and is matched with the coiled pipe to realize forced heat exchange of the coiled pipe.

Preferably, the forced exchange assembly comprises a waterproof cylinder and a transition box which are arranged at the bottom of the bottom plate and are staggered with the universal wheels, one end of the transition box is connected with the waterproof cylinder, and the other end of the transition box is provided with a one-way inlet and a one-way outlet; the spiral pipe type heat exchanger is characterized by further comprising a plurality of flow guide holes formed in the top of the bottom plate, the flow guide holes are staggered with the spiral pipe, and the flow guide holes are symmetrically divided into two groups and are respectively connected with the one-way inlet and the one-way outlet through flow guide channels.

Preferably, the top of the diversion hole is fixed with a filter screen, and the filter screen is in a conical structure with a convex top.

Compared with the prior art, the utility model, following beneficial effect has:

(1) the utility model sets the whole power cabinet as a sealing structure to achieve good waterproof effect, thereby being suitable for outdoor environment; meanwhile, due to the arrangement of the coiled pipes, the power cabinet is internally provided with an exchange type heat dissipation, and the normal work of the electric elements in the power cabinet is effectively guaranteed.

(2) Aiming at the exchange type heat dissipation formed by the serpentine pipe, the forced exchange assembly is arranged in an auxiliary mode, the heat exchange efficiency of the serpentine pipe is effectively increased, and therefore the heat dissipation efficiency inside the whole power is further improved, and the requirement for rapid heat dissipation when the electric elements generate excessive heat is met.

Drawings

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

FIG. 2 is a perspective view of the base of the present invention;

FIG. 3 is a schematic structural diagram of a forced switching module according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

in the figure: 1-cabinet body, 2-cabinet door, 21-sealing ring, 22-perspective window, 3-base, 31-top plate, 32-support rod, 33-bottom plate, 34-diversion hole, 35-waterproof cylinder, 36-transition box, 37-filter screen, 4-coiled pipe, 41-air inlet pipe, 42-air outlet pipe, 43-circulating fan and 5-universal wheel.

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 embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: an outdoor waterproof power cabinet comprises a cabinet body 1 with an inner cavity and a cabinet door 2 rotatably installed on one side of the cabinet body 1, wherein a sealing ring 21 matched with the inner cavity of the cabinet body 1 is arranged on the inner wall of the cabinet door 2, and a perspective window 22 is embedded in the middle of the cabinet door 2, so that the whole power cabinet is completely sealed; based on the structure, the integral power cabinet has a good waterproof effect when being applied to an outdoor environment, the problem that rainwater enters the cabinet body 1 to cause damage of electrical elements is effectively avoided, and due to the arrangement of the perspective window 22, a worker can effectively observe the working condition in the cabinet body 1 under the condition that the cabinet door 2 is not opened;

the heat dissipation cabinet also comprises a base 3 arranged at the bottom of the cabinet body 1, four sides of the base 3 can be ventilated, universal wheels 5 are arranged at the bottom of the base 3, a coiled pipe 4 is arranged inside the base 3, two ends of the coiled pipe 4 are respectively connected with an air inlet pipe 41 and an air outlet pipe 42, wherein the air inlet pipe 41 extends to the top wall in the cabinet body 1, a circulating fan 43 is arranged on the air inlet pipe 41, the circulating fan 43 is a centrifugal fan in national standard 4-72 series, the air outlet pipe 42 extends to the lower wall in the cabinet body 1 and is matched with the air inlet pipe 41 to realize the circulating heat dissipation in the cabinet body 1;

based on this, realized the effective heat dissipation of whole power cabinet under complete encapsulated situation to effectively guarantee the normal work of the interior electric elements of cabinet body 1, its heat dissipation principle is: based on the start-up of circulating fan 43 and the cooperation of air-supply line 41 to the top inhales the air that has the heat in the cabinet body 1, and make hot-air flow direction to the coiled pipe 4 in, the coiled pipe 4 forms the heat exchange with the air current in the external environment in the base 3, thereby produce the cooling effect to its inside hot-air that switches on, and the air after the cooling is then based on the cooperation of air-out pipe 42, is led into by the bottom in the cabinet body 1, to sum up forms the circulating air flow that shows in figure 1, reaches effectual exchange formula heat dissipation.

In this embodiment, preferably, the base 3 includes roof 31, bracing piece 32 and bottom plate 33 that from top to bottom connects gradually, and wherein the bracing piece 32 equidistance is equipped with a plurality ofly to realize the protection to coiled pipe 4, universal wheel 5 snap-on in bottom plate 33 bottom, based on this, make coiled pipe 4 can form the heat exchange with external environment by the biggest area, and then guarantee the radiating efficiency of heat exchange formula.

In this embodiment, it is preferable that a forced heat exchange assembly is further included, and the forced heat exchange assembly is mounted on the bottom plate 33, and the forced heat exchange assembly cooperates with the serpentine tubes 4 to realize forced heat exchange of the serpentine tubes 4.

In this embodiment, preferably, the forced exchange assembly includes a waterproof cylinder 35 and a transition box 36 installed at the bottom of the bottom plate 33, and is staggered with the universal wheel 5, one end of the transition box 36 is connected with the waterproof cylinder 35, and the other end is provided with a one-way inlet and a one-way outlet; the flexible pipe type heat exchanger further comprises a plurality of diversion holes 34 arranged at the top of the bottom plate 33, the diversion holes 34 are staggered with the coiled pipe 4, and the diversion holes 34 are symmetrically divided into two groups and are respectively connected with the one-way inlet and the one-way outlet through diversion channels.

In this embodiment, preferably, a screen 37 is fixed on the top of each diversion hole 34, and the screen 37 is in a cone-shaped structure with a convex top.

Specifically, based on the forced exchange assembly that the aforesaid provided can further improve the heat exchange efficiency of coiled pipe 4, and this forced exchange assembly can be applicable to gaseous forced exchange, can be applicable to the forced exchange of ponding under the sleet weather again, and both principles are the same: when the basic heat exchange of the serpentine pipe 4 cannot meet the heat dissipation effect of the cabinet body 1, the waterproof cylinder 35 is started, and the waterproof cylinder 35 has good waterproofness, so that the use of the waterproof cylinder 35 is not influenced even under the condition of water accumulation;

referring to fig. 3, after the waterproof cylinder 35 is started, it first retracts to the right, so as to drive the transition box 36 to generate a negative pressure state, and thus air or accumulated water is sucked into the transition box 36 through the one-way inlet of the transition box 36, the corresponding flow guide channel and the flow guide hole 34, and the sucked air or accumulated water is filtered by the filter screen 37 in the process, so as to avoid the blockage of the forced exchange assembly;

after the rightward retraction is finished, the starting is continuously kept, at the moment, the starting is extended leftwards, so that positive pressure pushing is formed in the transition box 36, and the sucked air or accumulated water is guided out from the one-way outlet and flows into the corresponding flow guide channel and the corresponding flow guide hole 34;

the air flow or the accumulated water flow generated in the whole process all occurs around the coiled pipe 4, so that the effect of accelerating the circulation speed of the air flow or the accumulated water around the coiled pipe 4 is achieved, and the heat exchange efficiency of the coiled pipe 4 and the heat dissipation efficiency in the cabinet body 1 are further improved.

In fig. 4, the sieve 37 is provided with a tapered structure in order to prevent impurities after filtration from accumulating on the sieve 37 and causing clogging of the sieve 37.

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 outdoor waterproof power cabinet which characterized in that: the power cabinet comprises a cabinet body (1) with an inner cavity and a cabinet door (2) rotatably installed on one side of the cabinet body (1), wherein a sealing ring (21) matched with the inner cavity of the cabinet body (1) is arranged on the inner wall of the cabinet door (2), and a perspective window (22) is embedded in the middle of the cabinet door (2), so that the whole power cabinet is hermetically used;

still including installing in base (3) of the cabinet body (1) bottom, and four sides of base (3) all can ventilate, universal wheel (5) are installed to base (3) bottom, and base (3) internally mounted has coiled pipe (4), the both ends of coiled pipe (4) are connected with air-supply line (41) respectively and go out tuber pipe (42), wherein on air-supply line (41) extend to the roof in the cabinet body (1), and install circulating fan (43) on air-supply line (41), go out on tuber pipe (42) extend to the low wall in the cabinet body (1), realize the circulation heat dissipation in the cabinet body (1) with air-supply line (41) cooperation.

2. The outdoor waterproof power cabinet of claim 1, characterized in that: base (3) are including roof (31), bracing piece (32) and bottom plate (33) that from top to bottom connect gradually, wherein bracing piece (32) equidistance is equipped with a plurality ofly to the realization is to the protection of coiled pipe (4), universal wheel (5) disect fixation in bottom plate (33) bottom.

3. The outdoor waterproof power cabinet of claim 2, characterized in that: the forced heat exchange device further comprises a forced exchange assembly, the forced exchange assembly is arranged on the bottom plate (33), and the forced exchange assembly is matched with the coiled pipe (4) to realize forced heat exchange of the coiled pipe (4).

4. The outdoor waterproof power cabinet of claim 3, characterized in that: the forced exchange assembly comprises a waterproof cylinder (35) and a transition box (36) which are arranged at the bottom of the bottom plate (33) and are staggered with the universal wheel (5), one end of the transition box (36) is connected with the waterproof cylinder (35), and the other end of the transition box is provided with a one-way inlet and a one-way outlet;

the novel pipe bending machine is characterized by further comprising a plurality of diversion holes (34) formed in the top of the bottom plate (33), the diversion holes (34) are staggered with the coiled pipe (4), and the diversion holes (34) are symmetrically divided into two groups and are respectively connected with the one-way inlet and the one-way outlet through diversion channels.

5. The outdoor waterproof power cabinet of claim 4, characterized in that: a filter screen (37) is fixed at the top of each diversion hole (34), and the filter screen (37) is of a conical structure with a convex top.