Convection heat dissipation low-voltage capacitance compensation cabinet

Abstract

The utility model discloses a convection heat radiation low voltage capacitance compensation cabinet, and relates to the capacitance compensation cabinet technology field, the convection heat radiation low voltage capacitance compensation cabinet comprises a cabinet body, a plurality of installing plates, two fans and a dustproof assembly, the cabinet body is provided with an accommodating cavity, and an air inlet and an air outlet communicated with the accommodating cavity; the multiple mounting plates are connected with the side wall of the containing cavity and define a mounting cavity with a cavity opening, and the mounting cavity communicates with the air inlet; one fan is arranged in the mounting cavity and is close to the air inlet, and the other fan is arranged in the accommodating cavity and is close to the air outlet; the dustproof assembly comprises a mounting frame and a wind cover, the mounting frame is connected with the mounting plate, and the wind cover is elastically connected with the mounting frame and used for opening or closing a cavity opening of the mounting cavity; according to the utility model, the dustproof assembly is arranged at the air inlet, so that dust and impurities are prevented from entering the cabinet body through the air inlet, and electronic components in the cabinet body are protected.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitor compensation cabinets, in particular to a convection heat dissipation low-voltage capacitor compensation cabinet. Background Art

[0002] Low-voltage capacitor compensation cabinet is a device used for power factor correction and energy efficiency improvement in power systems. It is usually composed of electronic components such as capacitors, reactors, contactors, and protective devices. Its main function is to improve the power factor of the power system through the capacitors in the compensation circuit, thereby improving the operating efficiency and stability of the power system. However, during its use, the electronic components will generate a lot of heat during operation. In order to dissipate heat inside the compensation cabinet, air inlets and outlets are usually opened on both sides of the compensation cabinet, and fans are set at the air inlet and outlet respectively. However, since the air inlet is open, a lot of dust and impurities will enter the compensation cabinet through the air inlet, and will accumulate over a long period of time, thereby affecting the electronic components inside it. Utility Model Content

[0003] The main purpose of the utility model is to provide a convection heat dissipation low-voltage capacitor compensation cabinet, aiming to achieve the heat dissipation of the convection heat dissipation low-voltage capacitor compensation cabinet while improving the dustproof effect.

[0004] In order to achieve the above-mentioned purpose, the utility model proposes a convection heat dissipation low-voltage capacitor compensation cabinet, comprising:

[0005] A cabinet body, wherein the cabinet body is provided with a receiving cavity and an air inlet and an air outlet communicated with the receiving cavity;

[0006] A plurality of mounting plates, wherein the plurality of mounting plates are connected to the side walls of the accommodating cavity and enclose a mounting cavity having a cavity opening, and the mounting cavity is communicated with the air inlet;

[0007] two fans, one of which is disposed in the installation cavity and close to the air inlet, and the other of which is disposed in the accommodating cavity and close to the air outlet; and

[0008] A dustproof component comprises a mounting frame and a wind cover, wherein the mounting frame is connected to the mounting plate, and the wind cover is elastically connected to the mounting frame and is used to open or close the cavity opening of the mounting cavity.

[0009] In one embodiment of the utility model, the dustproof component includes a mounting tube and a guide shaft, the mounting tube is passed through the mounting frame, one end of the guide shaft has a stop portion, the guide shaft is slidably passed through the mounting tube, the stop portion and the mounting tube can abut, and the end of the guide shaft away from the stop portion is connected to the wind cover.

[0010] In an embodiment of the present invention, the dustproof component includes an elastic member, and the elastic member is sleeved on the guide shaft and located between the wind cover and the mounting bracket.

[0011] In an embodiment of the present invention, the dustproof component further includes a folded filter screen, and two ends of the folded filter screen are respectively connected to the wind cover and the periphery of the cavity opening of the installation cavity.

[0012] In an embodiment of the present invention, the dustproof component further includes a filter screen, which is arranged on the side wall of the accommodating cavity and covers the air outlet.

[0013] In one embodiment of the utility model, the convection heat dissipation low-voltage capacitor compensation cabinet includes a photovoltaic component and a battery. The photovoltaic component is arranged in the cabinet body, and the battery is arranged in the accommodating cavity. The photovoltaic component and the battery are both electrically connected to the two fans.

[0014] In one embodiment of the utility model, the convection heat dissipation low-voltage capacitor compensation cabinet also includes a protective component, which includes a driving component and a protective component. The driving component is arranged on the cabinet body, and the output end of the driving component is connected to the protective component. The driving component can drive the protective component to cover or expose the photovoltaic component.

[0015] In one embodiment of the utility model, the protective assembly also includes a screw, a first screw nut and a second screw nut, the output end of the driving member is connected to the screw, the screw has a forward-rotating screw segment and a reverse-rotating screw segment, the first screw nut and the second screw nut are threadedly connected to the forward-rotating screw segment and the reverse-rotating screw segment respectively; the protective member includes a first protective plate and a second protective plate, the first protective plate is connected to the first screw nut, and the second protective plate is connected to the second screw nut.

[0016] In one embodiment of the utility model, the first protective plate and the second protective plate are arranged at an angle, a protrusion is provided on the side of the first protective plate facing the second protective plate, and a groove adapted to the protrusion is provided on the side of the second protective plate facing the first protective plate.

[0017] In one embodiment of the utility model, the protective assembly also includes an installation box, which has a cavity, and the screw rod, the first screw rod nut and the second screw rod nut are all accommodated in the cavity, and the output end of the driving member can be rotatably penetrated through the side wall of the cavity, and the end of the screw rod away from the driving member is rotatably connected to the side wall of the cavity.

[0018] In the technical solution of the utility model, when the convection heat dissipation low-voltage capacitor compensation cabinet is operating, the two fans are started, and when one of the fans generates airflow at the air inlet, it pushes the wind cover to move close to the mounting frame, thereby opening the cavity opening of the mounting cavity, so that cold air is sucked into the accommodating cavity, and the other fan generates airflow at the air outlet, and discharges the hot air in the accommodating cavity through the air outlet, thereby forming air convection heat dissipation; when the two fans stop operating, one of the fans no longer generates airflow at the air inlet, and the wind cover moves away from the mounting frame under the action of the elastic restoring force, thereby closing the cavity opening of the mounting cavity, preventing dust and impurities from entering the cabinet through the air inlet, thereby protecting the electronic components inside it. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 The utility model provides a front view of an embodiment of a convection heat dissipation low-voltage capacitor compensation cabinet;

[0021] Figure 2 A schematic diagram of the structure of the dustproof component and the fan is provided for the utility model;

[0022] Figure 3 A front view of an embodiment of a protective component is provided for the utility model;

[0023] Figure 4 The utility model provides a front view of an embodiment of the foldable filter and the wind cover.

[0024] Description of Figure Numbers:

[0025] 1000. Convection cooling low-voltage capacitor compensation cabinet; 1. cabinet; 11. air inlet; 12. air outlet; 2. mounting plate; 21. mounting cavity; 3. fan; 4. dustproof component; 41. mounting frame; 42. wind cover; 43. mounting cylinder; 44. guide shaft; 441. stop portion; 45. elastic member; 46. folding filter; 5. photovoltaic module; 6. protection component; 61. driving member; 62. protection member; 621. first protection plate; 621a. protrusion; 622. second protection plate; 622a. groove; 63. screw; 631. forward-rotating screw segment; 632. reverse-rotating screw segment; 64. first screw nut; 65. second screw nut; 66. mounting box.

[0026] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0030] The utility model provides a convection heat dissipation low-voltage capacitor compensation cabinet 1000.

[0031] See also Figure 2In one embodiment of the utility model, the convection heat dissipation low-voltage capacitor compensation cabinet 1000 includes a cabinet body 1, multiple mounting plates 2, two fans 3 and a dustproof component 4, wherein the cabinet body 1 is provided with a accommodating cavity and an air inlet 11 and an air outlet 12 connected to the accommodating cavity; multiple mounting plates 2 are connected to the side walls of the accommodating cavity, and enclose a mounting cavity 21 with a cavity opening, and the mounting cavity 21 is connected to the air inlet 11; one of the fans 3 is arranged in the mounting cavity 21 and is arranged close to the air inlet 11, and another of the fans 3 is arranged in the accommodating cavity and is arranged close to the air outlet 12; the dustproof component 4 includes a mounting frame 41 and an air cover 42, wherein the mounting frame 41 is connected to the mounting plate 2, and the air cover 42 is elastically connected to the mounting frame 41, and is used to open or close the cavity opening of the mounting cavity 21.

[0032] In the technical solution of the utility model, when the convection heat dissipation low-voltage capacitor compensation cabinet 1000 is operating, the two fans 3 are started, and when one of the fans 3 generates airflow at the air inlet 11, it pushes the wind cover 42 to move close to the mounting frame 41, thereby opening the cavity opening of the mounting cavity 21, so that cold air is sucked into the accommodating cavity, and the other fan 3 generates airflow at the air outlet 12, and discharges the hot air in the accommodating cavity through the air outlet 12, thereby forming air convection heat dissipation; when the two fans 3 stop operating, one of the fans 3 no longer generates airflow at the air inlet 11, and the wind cover 42 moves away from the mounting frame 41 under the action of the elastic restoring force, thereby closing the cavity opening of the mounting cavity 21, preventing dust and impurities from entering the cabinet 1 through the air inlet 11, and protecting the electronic components inside it.

[0033] To improve the movement stability of the wind cover 42, please refer to Figure 2In one embodiment of the utility model, the dustproof component 4 includes a mounting tube 43 and a guide shaft 44. The mounting tube 43 is inserted into the mounting frame 41. One end of the guide shaft 44 has a stopper 441. The guide shaft 44 can be slidably inserted into the mounting tube 43. The stopper 441 can abut against the mounting tube 43. The end of the guide shaft 44 away from the stopper 441 is connected to the wind cover 42. When the convection heat dissipation low-voltage capacitor compensation cabinet 1000 is in operation, the two fans 3 are started. When one of the fans 3 generates airflow at the air inlet 11, it pushes the wind cover 42 to move close to the mounting frame 41 along the extension direction of the guide shaft 44. At this time, the stopper 441 is separated from the mounting tube 43, thereby driving the wind cover 42 to open the cavity of the mounting cavity 21, so that cold air is sucked into the accommodating cavity. The other fan 3 generates airflow at the air outlet 12, and the hot air in the accommodating cavity is passed through the air outlet 12. Exhaust, thereby forming air convection heat dissipation; when the two fans 3 stop working, one of the fans 3 no longer generates airflow at the air inlet 11, and the wind cover 42 moves away from the mounting frame 41 under the action of the elastic restoring force. At this time, the stop portion 441 abuts against the mounting tube 43, thereby driving the wind cover 42 to close the cavity opening of the mounting cavity 21; in one embodiment, a sealing buffer strip is provided at the periphery of the cavity opening of the mounting cavity 21 to prevent the wind cover 42 from frequently hitting the mounting plate 2. The provision of the sealing buffer strip can improve the dustproof effect.

[0034] See also Figure 2 In one embodiment of the utility model, the dustproof component 4 includes an elastic member 45, which is sleeved on the guide shaft 44 and located between the wind cover 42 and the mounting bracket 41. During the heat dissipation operation, the elastic member 45 compresses and drives the wind cover 42 to separate from the cavity opening of the mounting cavity 21. When the heat dissipation operation is not required, the elastic member 45 rebounds and drives the wind cover 42 to close the cavity opening of the mounting cavity 21.

[0035] To further improve the dustproof effect at the air inlet 11, please refer to Figure 4In one embodiment of the utility model, the dustproof component 4 further includes a folded filter 46, and the two ends of the folded filter 46 are respectively connected to the periphery of the air cover 42 and the cavity opening of the installation cavity 21. During the heat dissipation operation, the air cover 42 is pushed by the airflow generated by the fan 3, so that the folded filter 46 is unfolded, and the cold air in the external environment enters the accommodating cavity after being filtered by the folded filter 46; when the heat dissipation operation is not required, the air cover 42 moves away from the mounting frame 41 under the action of the elastic restoring force, so that the folded filter 46 is folded, and then the cavity opening of the installation cavity 21 is closed; the folded filter 46 can prevent dust or impurities in the external environment from entering the accommodating cavity, so as to protect the electronic components in the compensation cabinet.

[0036] In order to prevent dust or impurities in the external environment from entering the cabinet 1 through the air outlet 12, in an embodiment of the utility model, the dustproof component 4 further includes a filter, which is arranged on the side wall of the accommodating cavity and covers the air outlet 12. The filter can prevent dust, pollutants and other impurities in the air from entering the accommodating cavity to protect the electronic components inside.

[0037] See also Figure 1 In one embodiment of the utility model, the convection heat dissipation low-voltage capacitor compensation cabinet 1000 includes a photovoltaic module 5 and a battery. The photovoltaic module 5 is arranged in the cabinet body 1, and the battery is arranged in the accommodating cavity. The photovoltaic module 5 and the battery are both electrically connected to the two fans 3. When the convection heat dissipation low-voltage capacitor compensation cabinet 1000 is used outdoors, the photovoltaic module 5 can absorb solar energy and convert it into electrical energy, thereby charging the battery and energizing the two fans 3, making full use of natural resources.

[0038] In one embodiment of the utility model, the convection heat dissipation low-voltage capacitor compensation cabinet 1000 further includes a protective component 6, which includes a driving member 61 and a protective member 62. The driving member 61 is arranged on the cabinet body 1, and the output end of the driving member 61 is connected to the protective member 62. The driving member 61 can drive the protective member 62 to cover or reveal the photovoltaic assembly 5. When the convection heat dissipation low-voltage capacitor compensation cabinet 1000 is used outdoors, the driving member 61 drives the protective member 62 to reveal the photovoltaic assembly 5. The photovoltaic assembly 5 can absorb solar energy and convert it into electrical energy, thereby charging the battery and energizing the two fans 3; when the convection heat dissipation low-voltage capacitor compensation cabinet 1000 is used indoors or on rainy days, the driving member 61 drives the protective member 62 to cover the photovoltaic assembly 5.

[0039] See also Figure 3In one embodiment of the utility model, the protective component 6 also includes a screw 63, a first screw nut 64 and a second screw nut 65. The output end of the driving member 61 is connected to the screw 63. The screw 63 has a forward-rotating screw segment 631 and a reverse-rotating screw segment 632. The first screw nut 64 and the second screw nut 65 are threadedly connected to the forward-rotating screw segment 631 and the reverse-rotating screw segment 632 respectively; the protective member 62 includes a first protective plate 621 and a second protective plate 622. The first protective plate 621 is connected to the first screw nut 64, and the second protective plate 622 is connected to the second screw nut 65. When the convection heat dissipation low-voltage capacitor compensation cabinet 1000 is used indoors or on rainy days, the driving member 61 drives the screw rod 63 to rotate clockwise, and the first screw rod nut 64 moves along the positive rotation screw rod segment 631 toward the reverse rotation screw rod segment 632 to drive the first protective plate 621 to move toward the reverse rotation screw rod segment 632, and the second screw rod nut 65 moves along the reverse rotation screw rod segment 632 toward the positive rotation screw rod segment 631 to drive the second protective plate 622 to move toward the positive rotation screw rod segment 631, until the first protective plate 621 and the second protective plate 622 are connected to cover the photovoltaic component 5, and the driving member 61 stops driving. When the convection heat dissipation low-voltage capacitor compensation cabinet 1000 is used outdoors, when the driving member 61 drives the wire to rotate counterclockwise, the first screw nut 64 moves along the forward-rotating screw rod segment 631 toward the direction away from the reverse-rotating screw rod segment 632, so as to drive the first protective plate 621 to move away from the reverse-rotating screw rod segment 632, and the second screw nut 65 moves along the reverse-rotating screw rod segment 632 toward the direction away from the forward-rotating screw rod segment 631, so as to drive the second protective plate 622 to move away from the forward-rotating screw rod segment 631, until the first protective plate 621 and the second protective plate 622 can expose the photovoltaic component 5, and the driving member 61 stops driving.

[0040] See also Figure 3In one embodiment of the utility model, the first protective plate 621 and the second protective plate 622 are arranged at an angle, and a protrusion 621a is provided on the side of the first protective plate 621 facing the second protective plate 622, and a groove 622a adapted to the protrusion 621a is provided on the side of the second protective plate 622 facing the first protective plate 621. When the convection cooling low-voltage capacitor compensation cabinet 1000 is used indoors or on rainy days, the driving member 61 drives the first protective plate 621 and the protective plate to approach each other, and the protrusion 621a and the groove 622a are in contact and connected; when the convection cooling low-voltage capacitor compensation cabinet 1000 is used outdoors, the driving member 61 drives the first protective plate 621 and the protective plate to move away from each other, and the protrusion 621a and the groove 622a are disengaged; the first protective plate 621 and the second protective plate 622 are arranged at an angle, so that when the convection cooling low-voltage capacitor compensation cabinet 1000 is used on rainy days, it can help the first protective plate 621 and the second protective plate 622 to drain water better, and avoid water accumulation on the first protective plate 621 and the second protective plate 622 when rain falls; in one embodiment, the first protective plate 621 and the second protective plate 622 are provided with a convex portion on the side facing away from the cabinet body 1, so that rainwater can be discharged.

[0041] To improve the safety of the convection cooling low voltage capacitor compensation cabinet 1000, please refer to Figure 1 In one embodiment of the utility model, the protective assembly 6 further includes a mounting box 66, the mounting box 66 is provided with a cavity, the screw rod 63, the first screw rod nut 64 and the second screw rod nut 65 are all accommodated in the cavity, the output end of the driving member 61 is rotatably penetrated through the side wall of the cavity, and the end of the screw rod 63 away from the driving member 61 is rotatably connected to the side wall of the cavity. The installation box 66 can provide protection to prevent the screw rod 63, the first screw rod nut 64 and the second screw rod nut 65 from being damaged or contaminated by the external environment, and can also make the entire device look neater and reduce the messy feeling of the external parts, and can also provide a certain degree of safety protection to prevent people from accidentally touching the screw rod 63 and the screw rod nut, thereby reducing the potential risk of injury.

[0042] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A convection heat dissipation low-voltage capacitor compensation cabinet, characterized in that: include: A cabinet body, wherein the cabinet body is provided with a receiving cavity and an air inlet and an air outlet communicated with the receiving cavity; A plurality of mounting plates, wherein the plurality of mounting plates are connected to the side walls of the accommodating cavity and enclose a mounting cavity having a cavity opening, and the mounting cavity is communicated with the air inlet; Two fans, one of which is disposed in the installation cavity and close to the air inlet, and the other of which is disposed in the accommodation cavity and close to the air outlet; as well as A dustproof component comprises a mounting frame and a wind cover, wherein the mounting frame is connected to the mounting plate, and the wind cover is elastically connected to the mounting frame and is used to open or close the cavity opening of the mounting cavity.

2. The convection heat dissipation low-voltage capacitor compensation cabinet according to claim 1, characterized in that: The dustproof component includes a mounting tube and a guide shaft, the mounting tube is passed through the mounting frame, one end of the guide shaft has a stop portion, the guide shaft is slidably passed through the mounting tube, the stop portion and the mounting tube can abut, and the end of the guide shaft away from the stop portion is connected to the wind cover.

3. The convection heat dissipation low-voltage capacitor compensation cabinet according to claim 2 is characterized in that: The dustproof component comprises an elastic member, which is sleeved on the guide shaft and located between the wind cover and the mounting frame.

4. The convection heat dissipation low-voltage capacitor compensation cabinet as described in claim 1, characterized in that: The dustproof component also includes a folded filter screen, and two ends of the folded filter screen are respectively connected to the wind cover and the periphery of the cavity opening of the installation cavity.

5. The convection heat dissipation low-voltage capacitor compensation cabinet as described in claim 1, characterized in that: The dustproof component also includes a filter screen, which is arranged on the side wall of the accommodating cavity and covers the air outlet.

6. The convection heat dissipation low-voltage capacitor compensation cabinet according to any one of claims 1 to 5, characterized in that: The convection heat dissipation low-voltage capacitor compensation cabinet includes a photovoltaic component and a battery. The photovoltaic component is arranged in the cabinet body, and the battery is arranged in the accommodating cavity. The photovoltaic component and the battery are both electrically connected to the two fans.

7. The convection heat dissipation low-voltage capacitor compensation cabinet as described in claim 6, characterized in that: The convection heat dissipation low-voltage capacitor compensation cabinet also includes a protective component, which includes a driving component and a protective component. The driving component is arranged on the cabinet body, and the output end of the driving component is connected to the protective component. The driving component can drive the protective component to cover or expose the photovoltaic component.

8. The convection heat dissipation low-voltage capacitor compensation cabinet as described in claim 7, characterized in that: The protective assembly also includes a screw, a first screw nut and a second screw nut. The output end of the driving member is connected to the screw. The screw has a forward-rotating screw segment and a reverse-rotating screw segment. The first screw nut and the second screw nut are threadedly connected to the forward-rotating screw segment and the reverse-rotating screw segment, respectively. The protective member includes a first protective plate and a second protective plate. The first protective plate is connected to the first screw nut, and the second protective plate is connected to the second screw nut.

9. The convection heat dissipation low-voltage capacitor compensation cabinet as described in claim 8, characterized in that: The first protective plate and the second protective plate are arranged at an angle, a protrusion is provided on a side of the first protective plate facing the second protective plate, and a groove matched with the protrusion is provided on a side of the second protective plate facing the first protective plate.

10. The convection heat dissipation low-voltage capacitor compensation cabinet as claimed in claim 8, characterized in that: The protective assembly also includes an installation box, which has a cavity. The screw, the first screw nut and the second screw nut are all accommodated in the cavity. The output end of the drive member is rotatably penetrated through the side wall of the cavity, and the end of the screw away from the drive member is rotatably connected to the side wall of the cavity.

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