Half-box type capacitor bank

Abstract

The utility model discloses a half-box type capacitor bank which comprises a supporting base, damping devices are installed on the front portion and the rear portion of the lower end of the supporting base together, a capacitor bank is installed in the middle of the upper end of the supporting base, an installation clamping groove is formed in the upper end of the supporting base, and a protection device is installed in the installation clamping groove. And a heat dissipation device is mounted at the right end of the supporting base. According to the half-box type capacitor bank, the protection box body is installed on the supporting base through the installation screws on the connecting plate so as to protect the capacitor bank, and the protection box body is matched with the biaxially oriented polyester film on the outer surface of the protection box body, so that the protection effect of the protection box body is effectively improved, the safety of the capacitor bank is improved, and the service life of the capacitor bank is prolonged. The cooling fan rotates to blow air, and the air is blown into the protection box body through the air holes in the protection box body and is blown out from the air holes in the other side, so that the capacitor bank is effectively cooled.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitors, in particular to a half-box capacitor group. Background Art

[0002] Capacitors are widely used electronic devices that can store electricity and potential energy. Its structure is that one conductor is surrounded by another conductor, or the electric field lines emitted by one conductor are all terminated in the conductor system of another conductor. It is widely used in the fields of circuit isolation, AC passing, coupling, bypass, filtering, tuning circuit, energy conversion, control, etc.

[0003] The existing patent (application number 202321152495.0) discloses a semi-box capacitor group, in which capacitor assemblies for phase A, phase B and phase C are integrated respectively, and it includes: a live part protective cover and a capacitor assembly frame; wherein the live part protective cover can be mounted on the outside of the live parts of at least two groups of capacitor assemblies for phase A, phase B and phase C to enclose the live parts of the capacitor assemblies, thereby isolating the live parts of the capacitor assemblies and the non-live parts of the capacitor assemblies; and the capacitor assembly frame includes a live part accommodating frame and a non-live part accommodating frame, wherein the live part accommodating frame partially abuts against the inner peripheral wall of the live part protective cover to support the live part protective cover, and the non-live part accommodating frame defines an open accommodating space of the non-live part of the capacitor assembly for heat dissipation of the non-live part of the capacitor assembly.

[0004] The existing capacitor bank does not have good protection and there are certain safety risks. In addition, when the capacitor bank works for a long time, there is no good heat dissipation inside, which causes the temperature inside to be too high, thus affecting the use of the capacitor bank. Utility Model Content

[0005] The main purpose of the utility model is to provide a half-box capacitor group, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A semi-box capacitor bank comprises a support base, wherein a shock absorbing device is installed at the front and rear of the lower end of the support base, a capacitor bank is installed at the middle of the upper end of the support base, an installation slot is opened at the upper end of the support base, a protective device is installed in the installation slot, and a heat dissipation device is installed at the right end of the support base.

[0008] Preferably, the protective device includes a protective box, a biaxially stretched polyester film is installed on the outer surface of the protective box, a group of air holes are opened at the left and right ends of the protective box, a connecting plate is installed at the lower front end and the lower rear end of the protective box, a group of mounting screws are installed at the upper ends of the two connecting plates, a group of screw holes are opened at the front and rear ends of the upper end of the support base, and the protective box is installed on the upper end of the support base through the connecting plate. The protective box is installed on the support base through the mounting screws on the connecting plate to protect the capacitor bank, and cooperates with the biaxially stretched polyester film on the outer surface of the protective box to effectively improve the protective effect of the protective box and improve the safety of the capacitor bank.

[0009] Preferably, the heat dissipation device comprises a support plate, a support frame is installed in the middle of the upper end of the support plate, a heat dissipation fan is installed in the middle and upper parts of the rear end of the support frame, and the support plate is installed at the right end of the support base. The heat dissipation fan rotates to blow air, and the air is then blown into the protective box through the air holes on the protective box and blown out from the air holes on the other side, thereby effectively dissipating the heat of the capacitor bank.

[0010] Preferably, the shock absorbing device comprises a mounting base, a group of spring shock absorbers are installed at the front and rear of the upper end of the mounting base, mounting plates are installed at the front and rear of the mounting base, and the mounting base is installed at the lower end of the supporting base through the spring shock absorbers. Through the design of the spring shock absorbers, it can effectively control vibrations and swings of various frequencies, thereby effectively reducing the shaking of the upper capacitor group when the device is vibrated.

[0011] Preferably, the protective box body is consistent with the installation slot in size and has corresponding positions up and down.

[0012] Preferably, the support frame is L-shaped.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The protective box on the protective device is installed on the supporting base through the mounting screws on the connecting plate to protect the capacitor bank, and cooperates with the biaxially oriented polyester film on the outer surface of the protective box, referred to as BOPET. The BOPET film has the characteristics of high strength, good rigidity, transparency, high gloss, etc. At the same time, the BOPET film also has good heat resistance, excellent resistance to cooking, resistance to low temperature freezing, good oil resistance and chemical resistance, etc., which effectively improves the protective effect of the protective box and improves the safety of the capacitor bank.

[0015] 2. When the capacitor bank is running for a long time and is overheated, the two cooling fans on the heat dissipation device rotate to blow air, and the wind then blows into the protective box through the air holes on the protective box and blows out from the air holes on the other side, thereby effectively dissipating the heat of the capacitor bank and improving the use effect of the capacitor bank.

[0016] 3. Through the design of the spring shock absorber on the shock absorbing device, it can effectively control vibrations and swings of various frequencies, so that when the device is vibrated, it can effectively reduce the shaking of the upper capacitor group, thereby improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a half-box capacitor bank of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall structure of a protective device for a half-box capacitor bank of the utility model;

[0019] Figure 3 This is a schematic diagram of the overall structure of a heat dissipation device for a half-box capacitor bank of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the overall structure of a shock absorbing device of a half-box capacitor bank.

[0021] In the figure: 1. Support base; 2. Protective device; 3. Heat dissipation device; 4. Shock-absorbing device; 5. Capacitor bank; 6. Mounting slot; 20. Protective box; 21. Air vent; 22. Biaxially oriented polyester film; 23. Connecting plate; 24. Mounting screw; 25. Screw hole; 30. Support plate; 31. Support frame; 32. Cooling fan; 40. Mounting base; 41. Spring damper; 42. Mounting plate. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] like Figure 1-4 As shown, a half-box capacitor bank includes a support base 1, a shock absorbing device 4 is installed at the front and rear of the lower end of the support base 1, a capacitor bank 5 is installed at the middle of the upper end of the support base 1, an installation slot 6 is opened at the upper end of the support base 1, a protective device 2 is installed in the installation slot 6, and a heat dissipation device 3 is installed at the right end of the support base 1.

[0026] The protective device 2 includes a protective box 20, a biaxially stretched polyester film 22 is installed on the outer surface of the protective box 20, a group of air holes 21 are opened at the left and right ends of the protective box 20, a connecting plate 23 is installed at the lower front end and the lower rear end of the protective box 20, a group of mounting screws 24 are installed at the upper ends of the two connecting plates 23, a group of screw holes 25 are opened at the front and rear ends of the upper end of the support base 1, and the protective box 20 is installed on the upper end of the support base 1 through the connecting plate 23; the protective box 20 is consistent in size with the mounting slot 6 and corresponds in position up and down. The protective box 20 is installed on the support base 1 through the mounting screws 24 on the connecting plate 23 to protect the capacitor bank 5, and cooperates with the biaxially stretched polyester film 22 on the outer surface of the protective box 20 to effectively improve the protective effect of the protective box 20 and improve the safety of the capacitor bank 5.

[0027] The heat dissipation device 3 includes a support plate 30, a support frame 31 is installed in the middle of the upper end of the support plate 30, and a heat dissipation fan 32 is installed in the middle and upper parts of the rear end of the support frame 31. The support plate 30 is installed at the right end of the support base 1; the support frame 31 is L-shaped. The heat dissipation fan 32 rotates to blow air, and the air is then blown into the protective box body 20 through the air vents 21 on the protective box body 20, and blown out from the air vents 21 on the other side, thereby effectively dissipating the heat of the capacitor bank 5.

[0028] The shock absorbing device 4 includes a mounting base 40, a group of spring shock absorbers 41 are installed at the front and rear of the upper end of the mounting base 40, a mounting plate 42 is installed at the front and rear of the mounting base 40, and the mounting base 40 is installed at the lower end of the supporting base 1 through the spring shock absorbers 41. Through the design of the spring shock absorbers 41, it can effectively control vibrations and swings of various frequencies, so that when the device is vibrated, it can effectively reduce the shaking of the upper capacitor group 5.

[0029] It should be noted that the utility model is a semi-box capacitor bank. When the capacitor bank 5 is overheated after a long period of operation, the two cooling fans 32 on the heat dissipation device 3 rotate to blow air, and the wind then blows into the protective box body 20 through the air holes 21 on the protective box body 20, and blows out from the air holes 21 on the other side, thereby effectively dissipating the heat of the capacitor bank 5, thereby improving the use effect of the capacitor bank 5. In addition, through the design of the spring damper 41 on the shock absorbing device 4, it can effectively control vibrations and swings of various frequencies, thereby effectively reducing the upper capacitor bank 5 when the device is vibrated. The protective box 20 on the protective device 2 is installed on the supporting base 1 through the mounting screws 24 on the connecting plate 23 to protect the capacitor bank 5, and cooperates with the biaxially oriented polyester film 22 on the outer surface of the protective box 20, referred to as BOPET. The BOPET film has the characteristics of high strength, good rigidity, transparency, high gloss, etc. At the same time, the BOPET film also has good heat resistance, excellent cooking resistance, low temperature freezing resistance, good oil resistance and chemical resistance, etc., which effectively improves the protective effect of the protective box 20 and improves the safety of the capacitor bank 5.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A half-box capacitor bank, comprising a support base (1), characterized in that: A shock absorbing device (4) is installed at the front and rear of the lower end of the support base (1); a capacitor group (5) is installed at the middle of the upper end of the support base (1); a mounting slot (6) is opened at the upper end of the support base (1); a protective device (2) is installed in the mounting slot (6); and a heat dissipation device (3) is installed at the right end of the support base (1).

2. A half-box capacitor bank according to claim 1, characterized in that: The protective device (2) comprises a protective box (20), a biaxially oriented polyester film (22) is installed on the outer surface of the protective box (20), a group of air holes (21) are opened at the left and right ends of the protective box (20), connecting plates (23) are installed at the lower front end and the lower rear end of the protective box (20), a group of mounting screws (24) are installed at the upper ends of the two connecting plates (23), a group of screw holes (25) are opened at the front and rear ends of the upper end of the support base (1), and the protective box (20) is installed on the upper end of the support base (1) through the connecting plates (23).

3. A half-box capacitor bank according to claim 1, characterized in that: The heat dissipation device (3) comprises a support plate (30), a support frame (31) is installed in the middle of the upper end of the support plate (30), a heat dissipation fan (32) is installed in the middle and upper parts of the rear end of the support frame (31), and the support plate (30) is installed at the right end of the support base (1).

4. A half-box capacitor bank according to claim 1, characterized in that: The shock absorbing device (4) comprises a mounting base (40), a group of spring shock absorbers (41) are mounted on the front and rear upper ends of the mounting base (40), mounting plates (42) are mounted on the front and rear ends of the mounting base (40), and the mounting base (40) is mounted on the lower end of the supporting base (1) via the spring shock absorbers (41).

5. A half-box capacitor bank according to claim 2, characterized in that: The protective box (20) and the mounting slot (6) have the same size and are located in corresponding positions.

6. A half-box capacitor bank according to claim 3, characterized in that: The support frame (31) is L-shaped.

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