Dustproof cabinet for direct current energy storage capacitor

Abstract

The utility model discloses a dustproof cabinet for a direct current energy storage capacitor, which relates to the technical field of capacitors and comprises a mounting plate, a dustproof cover arranged at the top of the mounting plate, a capacitor arranged in the dustproof cover, a heat dissipation unit fixedly connected to the top of the mounting plate and a fixing unit movably arranged at the top of the mounting plate. The heat dissipation unit comprises a heat conduction rod fixedly connected to the top of the mounting plate, an expansion hole formed in the outer side wall of the heat conduction rod, and a heat conduction plate fixedly connected to the top of the heat conduction rod and used for bearing a capacitor; the fixing unit comprises a mounting base fixedly connected to the outer side wall of the dust cover and a fixing bolt which penetrates through the mounting base and is in threaded connection with the mounting base. According to the dustproof cabinet for the direct-current energy storage capacitor, heat generated by the capacitor is transmitted to the heat conduction rod through heat transfer, and at the moment, the cooling fan is in a running state, so that the flow speed of air near the heat conduction rod is accelerated, and the cooling effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitors, in particular to a dustproof cabinet for direct current energy storage capacitors. Background Art

[0002] DC energy storage capacitors, also known as supercapacitors or electrochemical capacitors, are electronic components that can store a large amount of charge. Its working principle is to store and release energy by storing charge in a dielectric between two electrodes. It has the advantages of high-speed charging and discharging, long life and reliability, so it is widely used in many applications.

[0003] Publication (announcement) No.: CN211125369U discloses a dustproof device for a DC energy storage capacitor, including a box body, an outer wall on one side of the box body is connected to a door panel through a hinge, and a door panel latch is arranged on an outer wall on one side of the door panel, a top plate is fixed to the outer wall of the top of the box body by bolts, and a vent is provided at the beginning of the outer wall at the top of the top plate, a dust cover is fixed to the outer wall at the top of the top plate by bolts, a fan is fixed to the outer wall at the top of the dust cover by bolts, two slide rails are fixed to the inner wall of the bottom of the box body by bolts, and two pulleys are slidably connected to the inner walls of the two slide rails respectively.

[0004] Although the above solution prevents dust from entering the box, the filter assembly is easily blocked by dust after long-term use, thereby affecting the heat dissipation effect. Utility Model Content

[0005] The main purpose of the utility model is to provide a dustproof cabinet for a DC energy storage capacitor, which solves the problem that dust easily blocks the filter assembly after long-term use, thereby affecting its heat dissipation effect, by providing a heat dissipation unit.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A dustproof cabinet for a DC energy storage capacitor comprises a mounting plate, a dustproof cover arranged on the top of the mounting plate, and a capacitor arranged inside the dustproof cover, and further comprises a heat dissipation unit fixedly connected to the top of the mounting plate, and a fixing unit movably arranged on the top of the mounting plate;

[0008] The heat dissipation unit includes a heat-conducting rod fixedly connected to the top of the mounting plate, an expansion hole opened on the outer side wall of the heat-conducting rod, and a heat-conducting plate fixedly connected to the top of the heat-conducting rod for carrying the capacitor;

[0009] The fixing unit comprises a mounting seat fixedly connected to the outer side wall of the dust cover, and a fixing bolt penetrating through the mounting seat and threadedly connected to the mounting seat.

[0010] Preferably, the heat dissipation unit further comprises a rectangular ring fixedly connected to the inner wall of the dust cover, and a sealing ring installed on the top of the heat conducting plate.

[0011] Preferably, the heat dissipation unit further comprises two rectangular holes respectively penetrating opposite side walls of the dust cover, and a heat dissipation fan fixedly installed inside one of the rectangular holes.

[0012] Preferably, the fixing unit also includes a hand crank handle rotatably connected to the top of the mounting plate, a transmission gear fixedly connected to the outer wall of the hand crank handle, and a first locking member and a second locking member arranged on both sides of the transmission gear for locking the fixing bolt.

[0013] Preferably, the first locking member comprises a toothed plate movably arranged on the top of the mounting plate, a plug-in rod fixedly connected to the end surface of the toothed plate, and a locking groove provided on the outer side wall of the fixing bolt;

[0014] The composition structure of the second locking component is the same as the composition structure of the first locking component.

[0015] Preferably, the fixed unit also includes an active chamber opened at the top of the hand crank, a connecting spring fixedly connected to the top wall of the active chamber, a permanent magnet ring fixedly connected to the end face of the connecting spring, a push-pull handle fixedly connected to the inner wall of the permanent magnet ring, and a permanent magnet embedded in the hand crank.

[0016] Preferably, one end of the push-pull handle is always located on the outer surface of the movable chamber, and the permanent magnet and the adjacent part of the permanent magnet ring attract each other.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1. In the utility model, the capacitor is fixed on the heat conducting plate, and then the dust cover is sleeved on the top of the heat conducting plate, and the rectangular ring and the heat conducting plate are made to resist the sealing ring together, so as to improve the sealing and dustproof of the capacitor, and then the fixing bolt is passed through the mounting seat and is threadedly connected to the mounting plate until the fixing bolt cannot be rotated. At this time, the locking groove will be opposite to the plug-in rod, and then the push-pull handle is pulled to drive the permanent magnetic ring to compress the connecting spring until the permanent magnetic ring is adsorbed with the permanent magnet. At this time, the bottom end of the push-pull handle will be completely retracted into the movable chamber, so that the hand crank handle can be turned, thereby driving the transmission gear to rotate, thereby driving the two tooth plates meshing with it to move alternately until the two plug-in rods are respectively plugged into the locking groove, thereby preventing the fixing bolt from loosening and improving the stability of the dust cover.

[0019] 2. In the utility model, since the capacitor is closely fitted with the heat conducting plate, the heat generated by the capacitor is transferred to the heat conducting plate through heat transfer, and finally transferred to the heat conducting rod. At this time, the cooling fan is in operation, thereby accelerating the air flow rate near the heat conducting rod to achieve the heat dissipation effect, and by opening an expansion hole on the outer surface of the heat conducting rod, the contact area between the heat conducting rod and the air is increased, thereby further improving the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the three-dimensional structure of the dust cover of the utility model;

[0022] Figure 3 This is a schematic diagram of the top view structure of the utility model;

[0023] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure in the middle;

[0024] Figure 5 The utility model is a schematic diagram of the internal structure of the hand crank handle.

[0025] In the figure:

[0026] 1. Mounting plate;

[0027] 2. Dust cover;

[0028] 3. Capacitor;

[0029] 4. heat dissipation unit; 401. heat conducting rod; 402. expansion hole; 403. heat conducting plate; 404. rectangular ring; 405. sealing ring; 406. rectangular hole; 407. heat dissipation fan;

[0030] 5. Fixing unit; 501. Mounting seat; 502. Fixing bolt; 503. Hand crank handle; 504. Transmission gear; 505. Tooth plate; 506. Connecting rod; 507. Locking groove; 508. Movable chamber; 509. Connecting spring; 5010. Permanent magnetic ring; 5011. Push-pull handle; 5012. Permanent magnet. DETAILED DESCRIPTION

[0031] 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.

[0032] Embodiment 1: Figure 1-5As shown, a dustproof cabinet for a DC energy storage capacitor includes a mounting plate 1, a dust cover 2 arranged on the top of the mounting plate 1, and a capacitor 3 arranged inside the dust cover 2, and also includes a heat dissipation unit 4 fixedly connected to the top of the mounting plate 1, and a fixing unit 5 movably arranged on the top of the mounting plate 1;

[0033] The heat dissipation unit 4 includes a heat-conducting rod 401 fixedly connected to the top of the mounting plate 1, an expansion hole 402 opened on the outer wall of the heat-conducting rod 401, and a heat-conducting plate 403 fixedly connected to the top of the heat-conducting rod 401 for supporting the capacitor 3;

[0034] The fixing unit 5 includes a mounting seat 501 fixedly connected to the outer wall of the dust cover 2 , and a fixing bolt 502 penetrating through the mounting seat 501 and threadedly connected to the mounting seat 501 , wherein the fixing bolt 502 is threadedly connected to the mounting plate 1 .

[0035] Preferably, a threading hole (not shown) for routing the capacitor 3 is provided on the back of the dust cover 2 .

[0036] The fixing unit 5 also includes a hand crank handle 503 rotatably connected to the top of the mounting plate 1, a transmission gear 504 fixedly connected to the outer wall of the hand crank handle 503, and a first locking member and a second locking member arranged on both sides of the transmission gear 504 for locking the fixing bolt 502.

[0037] The first locking member includes a toothed plate 505 movably disposed on the top of the mounting plate 1, a plug-in rod 506 fixedly connected to the end surface of the toothed plate 505, and a locking groove 507 provided on the outer side wall of the fixing bolt 502;

[0038] The component structure of the second locking component is the same as that of the first locking component, and the two are distributed in a circular array with the central axis of the transmission gear 504 as the origin.

[0039] The fixed unit 5 also includes an active chamber 508 opened at the top of the hand crank handle 503, a connecting spring 509 fixedly connected to the top wall of the active chamber 508, a permanent magnet ring 5010 fixedly connected to the end face of the connecting spring 509, a push-pull handle 5011 fixedly connected to the inner wall of the permanent magnet ring 5010, and a permanent magnet 5012 embedded in the hand crank handle 503.

[0040] One end of the push-pull handle 5011 is always located on the outer surface of the movable chamber 508 , and the adjacent parts of the permanent magnet 5012 and the permanent magnet ring 5010 attract each other.

[0041] The capacitor 3 is fixed on the heat conducting plate 403, and then the dust cover 2 is sleeved on the top of the heat conducting plate 403, and the rectangular ring 404 and the heat conducting plate 403 are made to abut the sealing ring 405 together, so as to improve the sealing and dustproof of the capacitor 3, and then the fixing bolt 502 is passed through the mounting seat 501 and is threadedly connected to the mounting plate 1 until the fixing bolt 502 cannot be rotated. At this time, the locking groove 507 will face the plug-in rod 506, and then the push-pull handle 5011 is pulled to drive the permanent magnet ring 5010 to compress the connecting spring 509 until the permanent magnet ring 5010 and the permanent magnet 5012 are attracted. At this time, the bottom end of the push-pull handle 5011 will be completely retracted into the movable chamber 508, so that the hand crank handle 5011 can be turned. 03, thereby driving the transmission gear 504 to rotate, thereby driving the two tooth plates 505 meshing therewith to move alternately until the two connecting rods 506 are respectively inserted into the locking grooves 507, thereby preventing the fixing bolts 502 from loosening, improving the stability of the dust cover 2, and when the connecting rod 506 is inserted into the locking grooves 507, the push-pull handle 5011 can be pushed downward to drive the permanent magnet ring 5010 out of the adsorption range of the permanent magnet 5012. At this time, the connecting spring 509 will return to its original state, thereby allowing the bottom end of the push-pull handle 5011 to be inserted into the mounting plate 1, thereby preventing the hand crank handle 503 from deflecting under external vibration, causing the connecting rod 506 to be out of the locking groove 507.

[0042] Embodiment 2: Figure 1-5 As shown, a dustproof cabinet for a DC energy storage capacitor includes a mounting plate 1, a dust cover 2 arranged on the top of the mounting plate 1, and a capacitor 3 arranged inside the dust cover 2, and also includes a heat dissipation unit 4 fixedly connected to the top of the mounting plate 1, and a fixing unit 5 movably arranged on the top of the mounting plate 1;

[0043] The heat dissipation unit 4 includes a heat-conducting rod 401 fixedly connected to the top of the mounting plate 1, an expansion hole 402 opened on the outer wall of the heat-conducting rod 401, and a heat-conducting plate 403 fixedly connected to the top of the heat-conducting rod 401 for supporting the capacitor 3;

[0044] The fixing unit 5 includes a mounting seat 501 fixedly connected to the outer wall of the dust cover 2 , and a fixing bolt 502 penetrating through the mounting seat 501 and threadedly connected to the mounting seat 501 , wherein the fixing bolt 502 is threadedly connected to the mounting plate 1 .

[0045] The heat dissipation unit 4 also includes a rectangular ring 404 fixedly connected to the inner wall of the dust cover 2, and a sealing ring 405 installed on the top of the heat conducting plate 403, wherein the rectangular ring 404 and the heat conducting plate 403 will jointly resist the sealing ring 405 to improve the sealing of the capacitor 3, and the capacitor 3 and the heat conducting plate 403 are tightly fitted, so that the heat generated by the capacitor 3 during operation is transported to the heat conducting plate 403 through heat transfer.

[0046] The heat dissipation unit 4 further includes two rectangular holes 406 penetrating opposite side walls of the dust cover 2 , and a heat dissipation fan 407 fixedly installed inside one of the rectangular holes 406 , wherein the opening of the expansion hole 402 faces the air outlet of the heat dissipation fan 407 .

[0047] When the dust cover 2 is fixed, the capacitor 3 fits tightly against the heat conducting plate 403, so that the heat generated by the capacitor 3 is transferred to the heat conducting plate 403 through heat transfer, and finally transferred to the heat conducting rod 401. At this time, the cooling fan 407 is in operation, thereby accelerating the air flow rate near the heat conducting rod 401 to achieve the heat dissipation effect, and by opening the expansion hole 402 on the outer surface of the heat conducting rod 401, the contact area between the heat conducting rod 401 and the air is increased, thereby further improving the heat dissipation effect.

Claims

1. A dustproof cabinet for a DC energy storage capacitor, comprising a mounting plate (1), a dustproof cover (2) arranged on the top of the mounting plate (1), and a capacitor (3) arranged inside the dustproof cover (2), characterized in that: It also includes a heat dissipation unit (4) fixedly connected to the top of the mounting plate (1), and a fixing unit (5) movably arranged on the top of the mounting plate (1); The heat dissipation unit (4) comprises a heat-conducting rod (401) fixedly connected to the top of the mounting plate (1), an expansion hole (402) provided on the outer wall of the heat-conducting rod (401), and a heat-conducting plate (403) fixedly connected to the top of the heat-conducting rod (401) for supporting the capacitor (3); The fixing unit (5) comprises a mounting seat (501) fixedly connected to the outer side wall of the dust cover (2), and a fixing bolt (502) penetrating the mounting seat (501) and threadedly connected to the mounting seat (501).

2. A dustproof cabinet for a DC energy storage capacitor according to claim 1, characterized in that: The heat dissipation unit (4) further comprises a rectangular ring (404) fixedly connected to the inner wall of the dust cover (2), and a sealing ring (405) installed on the top of the heat conducting plate (403).

3. A dustproof cabinet for a DC energy storage capacitor according to claim 2, characterized in that: The heat dissipation unit (4) further comprises two rectangular holes (406) respectively penetrating opposite side walls of the dust cover (2), and a heat dissipation fan (407) fixedly mounted inside one of the rectangular holes (406).

4. The dustproof cabinet for a DC energy storage capacitor according to claim 1, characterized in that: The fixing unit (5) further comprises a hand crank (503) rotatably connected to the top of the mounting plate (1), a transmission gear (504) fixedly connected to the outer side wall of the hand crank (503), and a first locking member and a second locking member arranged on both sides of the transmission gear (504) for locking the fixing bolt (502).

5. A dustproof cabinet for a DC energy storage capacitor according to claim 4, characterized in that: The first locking member comprises a toothed plate (505) movably arranged on the top of the mounting plate (1), a plug-in rod (506) fixedly connected to the end surface of the toothed plate (505), and a locking groove (507) provided on the outer side wall of the fixing bolt (502); The composition structure of the second locking component is the same as the composition structure of the first locking component.

6. A dustproof cabinet for a DC energy storage capacitor according to claim 5, characterized in that: The fixing unit (5) further comprises an active chamber (508) opened at the top of the hand crank (503), a connecting spring (509) fixedly connected to the top wall of the active chamber (508), a permanent magnet ring (5010) fixedly connected to the end surface of the connecting spring (509), a push-pull handle (5011) fixedly connected to the inner wall of the permanent magnet ring (5010), and a permanent magnet (5012) embedded in the hand crank (503).

7. A dustproof cabinet for a DC energy storage capacitor according to claim 6, characterized in that: One end of the push-pull handle (5011) is always located on the outer surface of the movable chamber (508), and the adjacent parts of the permanent magnet (5012) and the permanent magnet ring (5010) attract each other.

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