Cooling fan for resistor cabinet

Abstract

The utility model discloses a cooling fan for a resistor cabinet. The cooling fan comprises a cabinet body; the cooling mechanism is arranged on one side of the cabinet body, and the cooling mechanism is used for cooling the interior of the cabinet body; the air outlet assembly is arranged on the other side of the cabinet body, and the air outlet assembly is used for discharging air flow in the cabinet body; the cooling mechanism comprises a mounting shell, a fan body and two flow guide covers, the mounting shell is fixedly connected to one side of the cabinet body, the fan body is arranged in the mounting shell, and the flow guide covers are arranged on the side, close to the cabinet body, of the mounting shell. According to the cooling fan for the resistor cabinet provided by the utility model, through the arrangement of the cooling mechanism, the interior of the cabinet body can be well cooled, dust and impurities are prevented from entering the cabinet body to influence the use of internal elements, and moisture in introduced airflow can be well filtered; and the situation that water enters the cabinet body to influence the use of internal elements is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment heat dissipation technical field especially relates to a cooling fan for resistance cabinet. BACKGROUND

[0002] In the operation of the generator, single-phase grounding is the most common fault, and when the fault point appears arc grounding, it will further expand the insulation damage of the stator winding and even the iron core burnout sintering. If the fault is not discovered in time and quickly removed, it will develop into a phase-to-phase or turn-to-turn short circuit. Based on the above reasons, the international widely adopts the high resistance grounding of the generator neutral point to limit the grounding current and prevent various overvoltage hazards. The neutral point grounded through the resistor can limit the fault current to an appropriate value, reduce the power grid overvoltage, improve the safety and reliability of the power grid, and has good effect.

[0003] For example, a high-efficiency heat dissipation resistance cabinet is disclosed in Chinese utility model patent (CN215955857U), which is provided with a heat dissipation fan dustproof box on the adjusting piece, a mesh is formed on the heat dissipation fan dustproof box, and a dust screen is fixed on the heat dissipation fan dustproof box. The heat dissipation fan dustproof box is hollow, a driving motor is fixed inside the heat dissipation fan dustproof box, and the fan blades are driven by the driving motor to realize the rotating cooling effect.

[0004] However, the inventor found that the water in the introduced air flow can easily affect the internal elements of the cabinet during the implementation of the device. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a cooling fan for resistance cabinet to solve the above technical problems. The cooling mechanism can achieve good heat dissipation of the cabinet interior without causing dust and impurities to enter the cabinet interior and affect the use of internal elements. In addition, the water in the introduced air flow can be well filtered to reduce the influence of water entering the cabinet interior on the use of internal elements.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A cooling fan for resistance cabinet is applied to a resistance cabinet.

[0008] The cooling fan for resistance cabinet specifically comprises:

[0009] a cabinet body;

[0010] a cooling mechanism arranged on one side of the cabinet body, the cooling mechanism being used for heat dissipation of the interior of the cabinet body;

[0011] an air outlet assembly arranged on the other side of the cabinet body, the air outlet assembly being used for discharging the air flow in the cabinet body.

[0012] As a preferred implementation form of the cooling fan for the resistance cabinet provided by the utility model, the cooling mechanism comprises a mounting shell, a fan body and two flow guiding covers, the mounting shell is fixedly connected to one side of the cabinet body, the fan body is arranged inside the mounting shell, and the flow guiding covers are arranged on the side of the mounting shell close to the cabinet body.

[0013] As a preferred implementation form of the cooling fan for the resistance cabinet provided by the utility model, the cross-sectional shape of the flow guiding cover is a circular truncated cone, one end of the flow guiding cover is communicated with the mounting shell, and the other end of the flow guiding cover penetrates the cabinet body.

[0014] As a preferred implementation form of the cooling fan for the resistance cabinet provided by the utility model, the cooling mechanism further comprises two connecting shells and a plurality of spray heads, the two connecting shells are fixedly connected to the inner walls of the cabinet body and are symmetrically distributed, the plurality of spray heads are uniformly distributed on the surfaces of the two connecting shells and are communicated with the connecting shells, and one end of the flow guiding cover away from the mounting shell is communicated with the adjacent connecting shell.

[0015] As a preferred implementation form of the cooling fan for the resistance cabinet provided by the utility model, a plurality of uniformly distributed through holes are formed in the bottom of the mounting shell, and an auxiliary assembly is arranged on the bottom of the mounting shell.

[0016] As a preferred implementation form of the cooling fan for the resistance cabinet provided by the utility model, the auxiliary assembly comprises a plurality of connecting rings and a plurality of connecting barrels, the connecting rings are fixedly connected to the bottom of the mounting shell and are coaxially arranged with the adjacent through holes, the connecting barrels are arranged on the inner side of the connecting rings, and the upper end of the connecting barrel is threadedly connected with the inner wall of the connecting ring.

[0017] As a preferred implementation form of the cooling fan for the resistance cabinet provided by the utility model, a mounting hole is formed in the bottom of the connecting barrel, a connecting plate is fixedly connected to the inner wall of the mounting hole, a drying agent is filled in the connecting barrel, and a plurality of uniformly distributed filter holes are formed in the surface of the connecting plate.

[0018] As a preferred implementation form of the cooling fan for the resistance cabinet provided by the utility model, the auxiliary assembly further comprises a mounting ring and a mounting barrel, the mounting ring is fixedly connected to the bottom of the connecting barrel and is coaxially arranged with the mounting hole, the upper end of the mounting barrel is threadedly connected with the inner side of the mounting ring and is communicated with the inside of the connecting barrel through the mounting hole.

[0019] As a preferred embodiment of the cooling fan for the resistance cabinet provided by the utility model, the inside of the mounting cylinder is provided with uniformly distributed pipes, the cross section shape of the pipes is inverted L type, one end of the pipes penetrates out of the mounting cylinder and is flush with the surface of the mounting cylinder, the inside of the mounting cylinder is filled with water, and the liquid level of the water is lower than half of the pipe setting height.

[0020] As a preferred embodiment of the cooling fan for the resistance cabinet provided by the utility model, the air outlet assembly comprises a plurality of air outlet pipes arranged on the surface of the cabinet body and connected with the inside of the cabinet body, the inside of the air outlet pipe is provided with a check valve, and the inner wall of the air outlet pipe is fixedly connected with a filter screen.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] The cooling fan for the resistance cabinet provided by the utility model can achieve good heat dissipation of the inside of the cabinet body without causing dust and impurities to enter the inside of the cabinet body and affect the use of internal elements, and can filter water in the introduced airflow well, reducing the case that water enters the inside of the cabinet body and affects the use of internal elements.

[0023] The setting of the flow guide cover can collect the airflow introduced into the inside of the mounting shell by the fan body and introduce the airflow into the inside of the connecting shell, and in the process, the nozzle can uniformly distribute the airflow to the inside of the cabinet body, so that the heat dissipation effect is more uniform.

[0024] The setting of the auxiliary assembly can filter water in the introduced airflow well, and can select to add the mounting cylinder according to the dust condition of the use environment to enhance the filtering effect of dust. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the scheme in the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0026] Figure 1 The structure schematic view of the cooling fan for the resistance cabinet provided by the utility model is shown in the figure.

[0027] Figure 2 The cross section schematic view of the cooling structure D-D' provided by the utility model is shown in the figure.

[0028] Figure 3 The separation schematic view of the air outlet assembly and the cabinet body provided by the utility model is shown in the figure.

[0029] Figure 4The separation schematic view of the connecting barrel and the connecting ring is provided.

[0030] Figure 5 The distribution schematic view of the connecting barrel and the mounting barrel is provided.

[0031] The mark in the figure is explained as follows:

[0032] 1, cabinet body;

[0033] 2, cooling mechanism; 201, mounting shell; 202, fan body; 203, flow guide cover; 204, connecting shell; 205, spray head; 206, through hole;

[0034] 21, auxiliary assembly; 2101, connecting ring; 2102, connecting barrel; 2103, connecting plate; 2104, guide pipe; 2105, mounting barrel; 2106, mounting ring;

[0035] 301, air outlet pipe; 302, one-way valve; 303, filter screen. DETAILED DESCRIPTION

[0036] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0037] As described in the background, the dust screen will be blocked by dust after long time use, which affects the ventilation effect.

[0038] In order to solve this technical problem, the utility model provides a cooling fan for resistance cabinet, which is applied to the resistance cabinet.

[0039] Specifically, please refer to Figures 1-5 , the cooling fan for resistance cabinet specifically includes:

[0040] Cabinet body 1;

[0041] Cooling mechanism 2, cooling mechanism 2 is arranged on one side of cabinet body 1, and cooling mechanism 2 is used for cooling the inside of cabinet body 1;

[0042] Air outlet assembly, air outlet assembly is arranged on the other side of cabinet body 1, and air outlet assembly is used for discharging the airflow in the inside of cabinet body 1.

[0043] The cooling fan for the resistance cabinet can realize good heat dissipation of the inside of the cabinet body 1 without causing dust and impurities to enter the inside of the cabinet body 1 to affect use of internal elements, and can well filter moisture in the introduced airflow to reduce the case that the moisture enters the inside of the cabinet body to affect use of internal elements.

[0044] In order for those skilled in the art to better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings.

[0045] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0046] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0047] Embodiment one

[0048] Please refer to Figures 1-5 The cooling mechanism 2 of the cooling fan for the resistance cabinet comprises a mounting shell 201, a fan body 202 and two flow guides 203, the mounting shell 201 is fixedly connected to one side of the cabinet body 1, the fan body 202 is arranged in the inside of the mounting shell 201, and the flow guides 203 are arranged on the side of the mounting shell 201 close to the cabinet body 1.

[0049] The cross-sectional shape of the flow guide 203 is a circular truncated cone, one end of the flow guide 203 is communicated with the mounting shell 201, and the other end of the flow guide 203 penetrates the cabinet body 1.

[0050] Please refer to Figure 2 The cooling mechanism 2 further comprises two connecting shells 204 and a plurality of spray heads 205, the two connecting shells 204 are fixedly connected to the inner wall of the cabinet body 1 and are symmetrically distributed, the plurality of spray heads 205 are uniformly distributed on the surface of the two connecting shells 204 and are communicated with the connecting shells 204, and the end of the flow guide 203 away from the mounting shell 201 is communicated with the adjacent connecting shell 204.

[0051] The cooling fan for the resistance cabinet provided in the embodiment can guide airflow into the inside of the mounting shell 201 by starting the fan body 202, the flow guide 203 can collect the airflow guided into the inside of the mounting shell 201 by the fan body 202 and guide the airflow into the inside of the connecting shell 204, and the airflow is uniformly distributed to the inside of the cabinet body 1 by the spray head 205 in the process, so that the heat dissipation effect is more uniform.

[0052] Embodiment two

[0053] Further optimization is made to the cooling fan for the resistance cabinet provided in Embodiment One, and specifically, as shown in Figure 4 The bottom of the mounting shell 201 is provided with a plurality of uniformly distributed through holes 206, and the bottom of the mounting shell 201 is provided with an auxiliary assembly 21.

[0054] The auxiliary assembly 21 includes a plurality of connecting rings 2101 and a plurality of connecting barrels 2102. The connecting rings 2101 are fixedly connected to the bottom of the mounting shell 201 and are coaxially arranged with the adjacent through holes 206. The connecting barrels 2102 are arranged on the inner side of the connecting rings 2101, and the upper end of the connecting barrels 2102 is threadedly connected with the inner wall of the connecting rings 2101.

[0055] The bottom of the connecting barrel 2102 is provided with a mounting hole, and the inner wall of the mounting hole is fixedly connected with a connecting plate 2103. The inside of the connecting barrel 2102 is filled with a drying agent, and the surface of the connecting plate 2103 is provided with uniformly distributed filter holes.

[0056] Through the above structural design, under the action of the fan body 202, the external airflow can be introduced into the inside of the connecting barrel 2102 after being filtered of dust and impurities through the filter holes on the connecting plate 2103. In this process, the drying agent in the connecting barrel 2102 can absorb the moisture in the airflow. Specifically, the drying agent is a color-changing silica gel drying agent, and the connecting barrel 2102 is a transparent material component, which can facilitate the observation of the absorption condition of the drying agent by the staff for replacement. When replacing, the connecting barrel 2102 only needs to be rotated to be separated from the connecting ring 2101, and the drying agent can be replaced, which is simple and convenient to operate.

[0057] The dried airflow can be introduced into the inside of the mounting shell 201 through the through holes 206, and under the joint action of the flow guide cover 203, the connecting shell 204 and the spray head 205, it can be introduced into the inside of the cabinet body 1 for heat dissipation.

[0058] Embodiment Three

[0059] Further optimization is made to the cooling fan for the resistance cabinet provided in Embodiment One or Two, and specifically, as shown in Figures 1-5 The auxiliary assembly 21 further includes a mounting ring 2106 and a mounting barrel 2105. The mounting ring 2106 is fixedly connected to the bottom of the connecting barrel 2102 and is coaxially arranged with the mounting hole. The upper end of the mounting barrel 2105 is threadedly connected with the inner side of the mounting ring 2106 and is in communication with the inside of the connecting barrel 2102 through the mounting hole.

[0060] The inside of the mounting barrel 2105 is provided with a plurality of uniformly distributed guide pipes 2104. The cross-sectional shape of the guide pipes 2104 is inverted L-shaped. One end of the guide pipes 2104 penetrates out of the mounting barrel 2105 and is flush with the surface of the mounting barrel 2105. The inside of the mounting barrel 2105 is filled with water, and the liquid level of the water is lower than half of the height at which the guide pipes 2104 are arranged.

[0061] In actual implementation, the external air flow is introduced into the interior of the installation cylinder 2105 through the duct 2104, and the dust impurities can enter the water to achieve dust reduction, improve the dust removal effect, reduce the working strength of the filter hole, and reduce the possibility of blockage. Meanwhile, the installation cylinder 2105 can be separated alone, and the water filled in the interior thereof can be replaced. The installation cylinder 2105 can be selected according to actual conditions. When the dust impurities around the cabinet 1 are less, the installation cylinder 2105 can not be used, and the filter hole can be used alone for filtration.

[0062] Embodiment Four

[0063] The cooling fan for the resistance cabinet provided in the above embodiments is further optimized, as shown in the drawings, the air outlet assembly comprises a plurality of air outlet pipes 301 arranged on the surface of the cabinet 1 and connected with the interior of the cabinet 1, the interior of the air outlet pipe 301 is provided with a one-way valve 302, and the inner wall of the air outlet pipe 301 is fixedly connected with a filter screen 303. Figure 3 The one-way valve 302 can make the air outlet pipe 301 unidirectional air outlet, avoiding the external air entering the interior of the cabinet 1 through the air outlet pipe 301.

[0064] The use process of the cooling fan for the resistance cabinet is as follows:

[0065] By starting the fan body 202, the air flow can be guided into the interior of the installation shell 201. The air flow guided into the interior of the installation shell 201 by the fan body 202 can be collected by the flow guide cover 203, and the air flow is introduced into the interior of the connecting shell 204. In this process, the air flow is uniformly distributed to the interior of the cabinet 1 by the spray head 205, so that the heat dissipation effect is more uniform. In this process, the air flow can be introduced into the interior of the connecting cylinder 2102 after the dust impurities are filtered by the filter hole on the connecting plate 2103 under the action of the fan body 202. In this process, the desiccant in the interior of the connecting cylinder 2102 can adsorb the moisture in the air flow. The dried air flow can be introduced into the interior of the installation shell 201 through the through hole 206, and introduced into the interior of the cabinet 1 under the joint action of the flow guide cover 203, the connecting shell 204 and the spray head 205 for heat dissipation. When the dust around the environment is more, the installation cylinder 2105 can be selected and added. At this time, the external air flow is introduced into the interior of the installation cylinder 2105 through the duct 2104, and the dust impurities can enter the water to achieve dust reduction, improve the dust removal effect, reduce the working strength of the filter hole, and reduce the possibility of blockage.

[0066]

[0067] ​In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection or each other can communicate;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation, unless another definite limitation.For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned terms in the utility model according to specific circumstances.

[0068] Obviously, the above-described embodiments are only a part of the embodiments of the utility model, and not all the embodiments, and the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model.The utility model can be realized in many different forms, and contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive.Although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing each specific embodiment can be modified, or part of the technical features can be replaced equivalently.For equivalent structure made by using the contents of the utility model specification and drawings, direct or indirect use in other related technical fields, are also within the patent protection range of the utility model.

Claims

1. A cooling fan for a resistor cabinet, characterized by, It comprises The cabinet body (1); Cooling mechanism (2), the cooling mechanism (2) is arranged on one side of the cabinet body (1), the cooling mechanism (2) is used for the heat dissipation inside the cabinet body (1);Air outlet assembly, the air outlet assembly is arranged on the other side of the cabinet body (1), the air outlet assembly is used for the discharge of the air flow inside the cabinet body (1); The cooling mechanism (2) includes installation shell (201), fan body (202) and two fairing (203), the installation shell (201) is fixedly connected to one side of the cabinet body (1), the fan body (202) is arranged in the inside of the installation shell (201), the fairing (203) is arranged on the side of the installation shell (201) close to the cabinet body (1); The cross-sectional shape of the fairing (203) is circular truncated cone, one end of the fairing (203) is communicated with the installation shell (201), the other end of the fairing (203) penetrates the cabinet body (1); The cooling mechanism (2) further includes two connecting shells (204) and a plurality of spray heads (205), two connecting shells (204) are fixedly connected to the inner wall of the cabinet body (1) and are symmetrically distributed, a plurality of spray heads (205) are uniformly distributed on the surface of two connecting shells (204) and are communicated with the connecting shell (204), the end of the fairing (203) away from the installation shell (201) is communicated with the adjacent connecting shell (204); The bottom of the installation shell (201) is provided with a plurality of evenly distributed through holes (206), the bottom of the installation shell (201) is provided with an auxiliary assembly (21); The auxiliary assembly (21) includes a plurality of connecting rings (2101) and a plurality of connecting barrels (2102), the connecting ring (2101) is fixedly connected to the bottom of the installation shell (201) and is coaxially arranged with the adjacent through hole (206), the connecting barrel (2102) is arranged on the inner side of the connecting ring (2101), and the upper end of the connecting barrel (2102) is threadedly connected with the inner wall of the connecting ring (2101). The bottom of the connecting barrel (2102) is provided with a mounting hole, the inner wall of the mounting hole is fixedly connected with a connecting plate (2103), the inside of the connecting barrel (2102) is filled with a drying agent, and the surface of the connecting plate (2103) is provided with a plurality of evenly distributed filter holes.

2. The cooling fan for a resistance cabinet according to claim 1, characterized by The auxiliary assembly (21) further includes a mounting ring (2106) and a mounting barrel (2105), the mounting ring (2106) is fixedly connected to the bottom of the connecting barrel (2102) and is coaxially arranged with the mounting hole, and the upper end of the mounting barrel (2105) is threadedly connected with the inner side of the mounting ring (2106) and is communicated with the inside of the connecting barrel (2102) through the mounting hole.

3. The cooling fan for a resistance cabinet according to claim 2, characterized by ​ 4. The cooling fan for a resistance cabinet according to claim 3, wherein The inside of the installation cylinder (2105) is provided with uniformly distributed pipes (2104), the cross section shape of the pipes (2104) is inverted L type, one end of the pipes (2104) penetrates the installation cylinder (2105) and is flush with the surface of the installation cylinder (2105), the inside of the installation cylinder (2105) is filled with water, and the liquid level of the water is lower than half of the setting height of the pipes (2104).

5. The cooling fan for a resistance cabinet according to claim 1, wherein The air outlet assembly comprises a plurality of air outlet pipes (301) arranged on the surface of the cabinet body (1) and communicating with the inside of the cabinet body (1), the inside of the air outlet pipe (301) is provided with a one-way valve (302), and the inner wall of the air outlet pipe (301) is fixedly connected with a filter screen (303).

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