Overload protection device of capacitor cabinet

Abstract

The utility model relates to the technical field of overload protection devices, and discloses an overload protection device of a capacitor cabinet, which comprises a capacitor cabinet and a protection shell, the right side wall of the capacitor cabinet is provided with a heat dissipation port, and the left side wall of the capacitor cabinet is provided with an air inlet. A protective shell is mounted on the right side wall of the interior of the capacitor cabinet and directly faces the heat dissipation opening through fastening bolts, a sound absorption plate is arranged on the outer side of the protective shell, a mounting base is mounted on the upper left side of the protective shell, and a temperature sensor is mounted on the mounting base; a controller is arranged on the left side of the protective shell and located under the temperature sensor, a buzzer is mounted on the lower left side of the protective shell, and a fan mounting frame is arranged in the protective shell. According to the utility model, the connecting rods and the sound absorption plates are arranged, so that noise generated when the fan mounted in the fan mounting frame works can be reduced, and the working environment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of overload protection devices, in particular to an overload protection device for a capacitor cabinet. Background Art

[0002] The reactors and capacitors in the capacitor cabinet generate very high heat, which causes the temperature inside the capacitor cabinet to rise and affects the normal operation of internal components. Temperature control measures must be taken, such as ventilation and heat dissipation or cutting off the long-term operating reactor circuit, so as to reduce the temperature inside the capacitor cabinet and ensure the normal operation of components.

[0003] The existing overload protection device of the capacitor cabinet cannot reduce the noise generated by the fan installed in the fan installation frame during operation when in use, resulting in a loud working environment noise, and cannot sound a buzzer alarm when the temperature inside the capacitor cabinet is too high, making it lack an alarm function. Therefore, there is an urgent need for an overload protection device for the capacitor cabinet to solve the above technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide an overload protection device for a capacitor cabinet to solve the problem that the existing overload protection device for a capacitor cabinet proposed in the above background technology cannot, when in use, perform noise reduction processing on the noise generated by the fan installed in the fan installation frame during operation, resulting in a loud working environment noise, and cannot sound a buzzer alarm when the temperature inside the capacitor cabinet is too high, resulting in a lack of alarm function.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An overload protection device for a capacitor cabinet comprises a capacitor cabinet and a protective shell, wherein a heat dissipation port is provided on the right side wall of the capacitor cabinet, an air inlet is provided on the left side wall of the capacitor cabinet, a protective shell is installed on the inner right side wall of the capacitor cabinet and directly opposite to the heat dissipation port by fastening bolts, a sound absorbing board is provided on the outer side of the protective shell, a mounting seat is installed on the upper left side of the protective shell, a temperature sensor is installed on the mounting seat, a controller is provided on the left side of the protective shell and directly below the temperature sensor, a buzzer is installed on the lower left side of the protective shell, a fan installation frame is provided inside the protective shell, a fan is installed inside the fan installation frame, and the upper and lower ends of the protective shell are connected to the upper and lower ends of the sound absorbing board through connecting rods.

[0007] As a preferred technical solution of the present invention, dustproof nets are installed in the air inlet and the heat dissipation outlet.

[0008] As a preferred technical solution of the utility model, a vent is opened in the middle of the left side wall of the sound absorbing panel, and the vent is directly opposite to the left end of the fan installation frame.

[0009] As a preferred technical solution of the utility model, the left and right ends of the fan installation frame are respectively flush with the left and right ends of the protective shell, and the right end of the fan installation frame faces the heat dissipation port.

[0010] As a preferred technical solution of the utility model, the number of the fastening bolts is set to two, and the two fastening bolts are symmetrically arranged about the upper and lower axes of the protective shell.

[0011] As a preferred technical solution of the present utility model, the buzzer, the temperature sensor, the fan and the controller are electrically connected.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The utility model can reduce the noise generated by the fan installed in the fan installation frame during operation by arranging the connecting rod and the sound absorbing plate, thereby improving the working environment.

[0014] 2. The utility model is provided with a buzzer, a temperature sensor and a controller, so that when the temperature inside the capacitor cabinet is too high, the buzzer can sound an alarm, thereby having an alarm function. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a cross-sectional schematic diagram of the overall structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 The middle part is an enlarged structural diagram.

[0019] In the figure: 1. capacitor cabinet; 2. heat dissipation port; 3. dust screen; 4. protective shell; 5. connecting rod; 6. air inlet; 7. mounting base; 8. temperature sensor; 9. fastening bolt; 10. fan mounting frame; 11. fan; 12. sound absorbing panel; 13. vent; 14. buzzer; 15. controller. DETAILED DESCRIPTION

[0020] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings. The different types of section lines in the drawings in the embodiments of the utility model are not marked according to the national standard, nor are there any requirements for the materials of the components, but are used to distinguish the cross-sectional views of the components in the drawings.

[0021] See also Figure 1-3 , an overload protection device for a capacitor cabinet, comprising a capacitor cabinet 1 and a protective shell 4, a heat dissipation port 2 is provided on the right side wall of the capacitor cabinet 1, an air inlet 6 is provided on the left side wall of the capacitor cabinet 1, a protective shell 4 is installed on the inner right side wall of the capacitor cabinet 1 and directly opposite to the heat dissipation port 2 through a fastening bolt 9, a sound absorbing board 12 is provided on the outer side of the protective shell 4, a mounting seat 7 is installed on the upper left side of the protective shell 4, a temperature sensor 8 is installed on the mounting seat 7, a controller 15 is provided on the left side of the protective shell 4 and directly below the temperature sensor 8, a buzzer 14 is installed on the lower left side of the protective shell 4, a fan installation frame 10 is provided inside the protective shell 4, a fan 11 is installed inside the fan installation frame 10, upper and lower ends of the protective shell 4 are connected to the upper and lower ends of the sound absorbing board 12 through a connecting rod 5, and by providing the connecting rod 5 and the sound absorbing board 12, the noise generated by the fan 11 installed in the fan installation frame 10 during operation can be reduced, thereby improving the working environment.

[0022] The air inlet 6 and the heat dissipation port 2 are both provided with dustproof nets 3 , and the dustproof nets 3 can effectively prevent dust from entering the capacitor cabinet 1 .

[0023] A vent 13 is provided in the middle of the left side wall of the sound absorbing panel 12 , and the vent 13 faces the left end of the fan installation frame 10 .

[0024] The left and right ends of the fan installation frame 10 are flush with the left and right ends of the protective shell 4 respectively, and the right end of the fan installation frame 10 faces the heat dissipation port 2 .

[0025] The number of the fastening bolts 9 is set to two, and the two fastening bolts 9 are symmetrically arranged about the upper and lower axes of the protective housing 4 . The protective housing 4 is firmly mounted on the inner right wall of the capacitor cabinet 1 through the two fastening bolts 9 .

[0026] Among them, the buzzer 14, the temperature sensor 8, the fan 11 and the controller 15 are electrically connected. By setting the buzzer 14, the temperature sensor 8 and the controller 15, the buzzer 14 can sound an alarm when the temperature inside the capacitor cabinet 1 is too high, so that it has an alarm function.

[0027] The working principle and use process of the utility model are as follows: first, when the temperature inside the capacitor cabinet 1 is too high, the temperature information is sensed by the temperature sensor 8, and the temperature information is output to the controller 15 in the form of an electrical signal. At this time, the controller 15 controls the fan 11 to work, and the air enters through the air inlet 6, and enters the inner side of the sound absorbing board 12 through the vent 13 on the sound absorbing board 12. At this time, the fan 11 discharges the heat generated by the electrical components of the capacitor cabinet 1 when working from the heat dissipation port 2 on the capacitor cabinet 1;

[0028] By providing the sound absorbing panel 12, the noise generated by the fan 11 installed in the fan installation frame 10 during operation can be reduced, thereby improving the working environment;

[0029] When the temperature inside the capacitor cabinet 1 is too high, the controller 15 controls the buzzer 14 to sound an alarm, so that the alarm function is provided. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) by each other to form a technical solution.

Claims

1. An overload protection device for a capacitor cabinet, comprising a capacitor cabinet (1) and a protective housing (4), characterized in that: The right side wall of the capacitor cabinet (1) is provided with a heat dissipation port (2), the left side wall of the capacitor cabinet (1) is provided with an air inlet (6), a protective shell (4) is installed on the inner right side wall of the capacitor cabinet (1) and directly opposite to the heat dissipation port (2) by means of fastening bolts (9), a sound absorbing board (12) is arranged on the outer side of the protective shell (4), a mounting seat (7) is installed on the upper left side of the protective shell (4), a temperature sensor (8) is installed on the mounting seat (7), a controller (15) is arranged on the left side of the protective shell (4) and directly below the temperature sensor (8), a buzzer (14) is installed on the lower left side of the protective shell (4), a fan installation frame (10) is arranged inside the protective shell (4), a fan (11) is installed inside the fan installation frame (10), and the upper and lower ends of the protective shell (4) are connected to the upper and lower ends of the sound absorbing board (12) through connecting rods (5).

2. The overload protection device for a capacitor cabinet according to claim 1, characterized in that: Dust-proof nets (3) are installed in the air inlet (6) and the heat dissipation outlet (2).

3. The overload protection device for a capacitor cabinet according to claim 1, characterized in that: A vent (13) is provided in the middle of the left side wall of the sound absorbing panel (12), and the vent (13) faces the left end of the fan installation frame (10).

4. The overload protection device for a capacitor cabinet according to claim 1, characterized in that: The left and right ends of the fan installation frame (10) are respectively flush with the left and right ends of the protective housing (4), and the right end of the fan installation frame (10) faces the heat dissipation port (2).

5. The overload protection device for a capacitor cabinet according to claim 1, characterized in that: The number of the fastening bolts (9) is set to two, and the two fastening bolts (9) are arranged symmetrically about the upper and lower axes of the protective housing (4).

6. The overload protection device for a capacitor cabinet according to claim 1, characterized in that: The buzzer (14), the temperature sensor (8), the fan (11) and the controller (15) are electrically connected.

Images