Harmonic wave treatment equipment

Abstract

The utility model discloses harmonic suppression equipment, which relates to the technical field of power equipment and comprises a sealing cabinet, a bearing plate movably arranged in the sealing cabinet and used for mounting working elements, a heat dissipation unit fixedly connected with a side plate of the sealing cabinet and a connecting unit arranged in the sealing cabinet. The heat dissipation unit comprises a communicating pipe fixedly connected to a side plate of the sealed cabinet, a dustproof net fixedly connected to the end face of the communicating pipe, and a heat dissipation fan fixedly connected to the inner side wall of the communicating pipe and used for increasing the air velocity in the sealed cabinet. The connecting unit comprises a slide way formed in the inner side wall of the sealing cabinet and a mounting block which is fixedly connected to the outer side wall of the bearing plate and slides in the slide way. According to the harmonic suppression equipment, the limiting blocks are inserted into the second heat dissipation holes under the action of the connecting springs, then the rotating disc is fixed, the first heat dissipation holes are sealed through the rotating disc at the moment, and dust is prevented from blocking the ventilation net.

Description

TECHNICAL FIELD

[0001] The utility model relates to power equipment technical field, especially a kind of harmonic control equipment. BACKGROUND

[0002] Harmonic control equipment is a device for controlling and reducing harmonic current and harmonic voltage in power system. In power system, non-linear load (such as electric arc furnace, frequency converter, electronic equipment, etc.) can introduce harmonic current and harmonic voltage, which can cause instability of power system and failure of equipment. The main function of harmonic control equipment is to monitor and analyze power system, identify the type and level of harmonic, and take appropriate measures to reduce the impact of harmonic.

[0003] Disclosed in Publication (Announcement) No. CN218549509U is a harmonic control equipment. It includes a body, a base under the body, a moving assembly on both sides of the body, a buffer assembly connecting the body and the base, and a heat dissipation assembly embedded in the side wall of the body. The moving assembly includes a threaded rod, a fixed block, a knob, and a movable caster. The buffer assembly includes a support column, a fixed groove, a buffer plate, a guide rod, a damping rod, a shock-absorbing spring, and a buffer spring. The heat dissipation assembly includes a heat dissipation cover, a motor, a heat dissipation fan, and a dust screen. The body has a load plate inside, and a ventilation screen is embedded in the top wall of the body.

[0004] Although the above-mentioned scheme achieves heat dissipation effect, the ventilation screen is embedded in the top of the body. When the body is not working and idle, dust is easy to fall on the ventilation screen, causing blockage of the ventilation screen and affecting heat dissipation effect. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a harmonic control equipment, which solves the problem of dust falling on the ventilation screen, causing blockage of the ventilation screen and affecting heat dissipation effect by setting a heat dissipation unit.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A harmonic control equipment includes a sealed cabinet, a load plate movably arranged inside the sealed cabinet for installing working elements, a heat dissipation unit fixedly connected with the side plate of the sealed cabinet, and a connecting unit arranged inside the sealed cabinet.

[0008] The heat dissipation unit includes a communication pipe fixedly connected to the side plate of the sealed cabinet, a dust screen fixedly connected to the end face of the communication pipe, and a heat dissipation fan fixedly connected to the inner side wall of the communication pipe for accelerating the air flow rate inside the sealed cabinet.

[0009] The connecting unit includes a slide channel opened in the inner side wall of the sealed cabinet, and an installation block fixedly connected to the outer side wall of the load plate and slidingly located inside the slide channel.

[0010] Preferably, the heat dissipation unit further comprises a servo motor fixedly connected to the top of the sealed cabinet, a main gear fixedly connected to the outer side wall of the output end of the servo motor, a rotating disc movably arranged on the top of the sealed cabinet, and a transmission gear fixedly connected to the outer side wall of the rotating disc.

[0011] Preferably, the heat dissipation unit further comprises a first heat dissipation hole penetrating through the top plate of the sealed cabinet, and a second heat dissipation hole penetrating through the top of the rotating disc.

[0012] Preferably, the heat dissipation unit further comprises a receiving groove arranged on the top of the sealed cabinet, a connecting spring and a first electromagnet fixedly connected to the inner bottom wall of the receiving groove, and a limiting block fixedly connected to the top of the connecting spring.

[0013] Preferably, the connecting unit further comprises a travel switch inlaid in the inner side wall of the sliding channel, a spring groove arranged on the inner bottom wall of the sliding channel, a reset spring fixedly connected to the inner bottom wall of the spring groove, a locking rod fixedly connected to the end surface of the reset spring, and a second electromagnet inlaid in the inner part of the side plate of the sealed cabinet.

[0014] Preferably, the connecting unit further comprises a rectangular hole penetrating through the top of the mounting block, and a ball movably connected to the inner side wall of the rectangular hole.

[0015] Preferably, the connecting unit further comprises a locking hole penetrating through the top of the mounting block, and the inner diameter of the locking hole is equal to the outer diameter of the locking rod.

[0016] Compared with the prior art, the heat dissipation unit has the following beneficial effects:

[0017] Firstly, in the heat dissipation unit, the ball will roll on the inner side wall of the sliding channel during the movement of the bearing plate, thereby improving the movement stability of the bearing plate, reducing the wear of the sliding channel, and prolonging the service life of the device.

[0018] Secondly, in the heat dissipation unit, when the device is not used, the servo motor is started to drive the rotating disc to rotate, and the second heat dissipation hole is aligned with the receiving groove, and the first electromagnet is turned off, so that the limiting block is inserted into the second heat dissipation hole under the action of the connecting spring, thereby fixing the rotating disc, and the rotating disc seals the first heat dissipation hole, preventing dust from blocking the ventilation net. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a top view of the bearing plate structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the slide structure of this utility model;

[0022] Figure 4 This is a top view of the rotating disk structure of this utility model;

[0023] Figure 5 This is a top view of the sealed cabinet of this utility model.

[0024] In the picture:

[0025] 1. Sealed cabinet;

[0026] 2. Support plate;

[0027] 3. Heat dissipation unit; 301. Connecting pipe; 302. Dustproof mesh; 303. Cooling fan; 304. First heat dissipation hole; 305. Servo motor; 306. Main gear; 307. Rotary disk; 308. Transmission gear; 309. Second heat dissipation hole; 3010. Storage slot; 3011. Connecting spring; 3012. First electromagnet; 3013. Limiting block;

[0028] 4. Connecting unit; 401. Slide rail; 402. Limit switch; 403. Return spring; 404. Locking rod; 405. Second electromagnet; 406. Mounting block; 407. Rectangular hole; 408. Ball bearing; 409. Locking hole. Detailed Implementation

[0029] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0030] Example 1: As Figures 1-5 As shown, a harmonic control device includes a sealed cabinet 1, a support plate 2 movably disposed inside the sealed cabinet 1 for installing working components, a heat dissipation unit 3 fixedly connected to the side plate of the sealed cabinet 1, and a connection unit 4 disposed inside the sealed cabinet 1.

[0031] The heat dissipation unit 3 includes a connecting pipe 301 fixedly connected to the side plate of the sealed cabinet 1, a dustproof net 302 fixedly connected to the end face of the connecting pipe 301, and a heat dissipation fan 303 fixedly connected to the inner wall of the connecting pipe 301 to accelerate the airflow inside the sealed cabinet 1.

[0032] The connecting unit 4 includes a slide 401 formed on the inner side wall of the sealed cabinet 1, and a mounting block 406 fixedly connected to the outer side wall of the support plate 2 and sliding inside the slide 401.

[0033] The connecting unit 4 also includes a limit switch 402 embedded in the inner side wall of the slide rail 401, a spring groove formed in the inner bottom wall of the slide rail 401, a return spring 403 fixedly connected to the inner bottom wall of the spring groove, a locking rod 404 fixedly connected to the end face of the return spring 403, and a second electromagnet 405 embedded in the side plate of the sealed cabinet 1, wherein the limit switch 402 is used to de-energize the second electromagnet 405.

[0034] The connecting unit 4 also includes a rectangular hole 407 penetrating the top of the mounting block 406, and a ball bearing 408 movably connected to the inner wall of the rectangular hole 407, wherein the upper and lower ends of the ball bearing 408 extend to the outer wall of the rectangular hole 407 and abut against the upper and lower walls of the slide 401.

[0035] The connecting unit 4 also includes a locking hole 409 that passes through the top of the mounting block 406. The inner diameter of the locking hole 409 is equal to the outer diameter of the locking rod 404, wherein the locking rod 404 is made of ferromagnetic material.

[0036] By removing the support plate 2, the working element can be easily installed on the support plate 2, and maintenance is convenient in case of failure, making it highly practical. During the movement of the support plate 2, its ball bearings 408 will roll on the inner wall of the slide rail 401, thereby improving the stability of the support plate movement, reducing wear on the slide rail 401, and increasing the service life of the device. After the working element is installed, the support plate 2 is inserted into the sealing cabinet 1 until the mounting block 406 abuts against the limit switch 402. At this time, the spring groove will be aligned with the locking hole 409, and the limit switch 402 will de-energize the second electromagnet 405. At this time, the locking rod 404 will slide out of the spring groove and pass through the locking hole 409 under the action of the return spring 403, thereby fixing the support plate 2 and improving the stability of the support plate 2 inside the sealing cabinet 1.

[0037] Example 2: Figures 1-5 As shown, a harmonic control device includes a sealed cabinet 1, a support plate 2 movably disposed inside the sealed cabinet 1 for installing working components, a heat dissipation unit 3 fixedly connected to the side plate of the sealed cabinet 1, and a connection unit 4 disposed inside the sealed cabinet 1.

[0038] The heat dissipation unit 3 includes a connecting pipe 301 fixedly connected to the side plate of the sealed cabinet 1, a dustproof net 302 fixedly connected to the end face of the connecting pipe 301, and a heat dissipation fan 303 fixedly connected to the inner wall of the connecting pipe 301 to accelerate the airflow inside the sealed cabinet 1.

[0039] The connecting unit 4 comprises a slide 401 formed in the inner side wall of the sealing cabinet 1 and a mounting block 406 fixedly connected to the outer side wall of the bearing plate 2 and slidingly arranged in the slide 401.

[0040] The heat dissipation unit 3 further comprises a servo motor 305 fixedly connected to the top of the sealing cabinet 1, a main gear 306 fixedly connected to the outer side wall of the output end of the servo motor 305, a rotating disc 307 movably arranged on the top of the sealing cabinet 1 and a transmission gear 308 fixedly connected to the outer side wall of the rotating disc 307, wherein the transmission gear 308 is in mesh with the main gear 306.

[0041] The heat dissipation unit 3 further comprises a first heat dissipation hole 304 penetrating through the top plate of the sealing cabinet 1 and a second heat dissipation hole 309 penetrating through the top of the rotating disc 307, wherein the shapes and numbers of the first heat dissipation hole 304 and the second heat dissipation hole 309 are matched, and a plurality of the first heat dissipation holes 304 are arranged in an annular array, wherein the first heat dissipation hole 304 is inlaid with a ventilation net.

[0042] The heat dissipation unit 3 further comprises a receiving groove 3010 formed in the top of the sealing cabinet 1, a connecting spring 3011 and a first electromagnet 3012 fixedly connected to the inner bottom wall of the receiving groove 3010 and a limiting block 3013 fixedly connected to the top of the connecting spring 3011, wherein the receiving groove 3010 and the first heat dissipation hole 304 are arranged in a circular staggered manner, the cross section of the limiting block 3013 is matched with the cross section of the second heat dissipation hole 309, and the limiting block 3013 is made of ferromagnetic material, wherein when the first electromagnet 3012 is powered to generate a magnetic force, the limiting block 3013 is adsorbed, so that the limiting block 3013 is completely retracted into the receiving groove 3010, and the connecting spring 3011 is in a compressed state.

[0043] When heat dissipation is needed, the first electromagnet 3012 is started to adsorb the limiting block 3013, so that the limiting block 3013 is completely retracted into the receiving groove 3010, and the connecting spring 3011 is in a compressed state, then the servo motor 305 is started to drive the main gear 306 to rotate, and then drive the transmission gear 308 meshed therewith to rotate, until the second heat dissipation hole 309 is opposite to the first heat dissipation hole 304, at this time the servo motor 305 is turned off, and the heat dissipation fan 303 is started, so as to discharge the heat of the working element at this time through the heat dissipation hole, to achieve the heat dissipation effect, when the equipment is not used, the servo motor 305 is started to drive the rotating disc 307 to rotate, and the second heat dissipation hole 309 is opposite to the receiving groove 3010, at this time the first electromagnet 3012 is turned off, so that the limiting block 3013 is inserted into the second heat dissipation hole 309 under the action of the connecting spring 3011, and then the rotating disc 307 is fixed, and at this time the rotating disc 307 seals the first heat dissipation hole 304 to prevent dust from blocking the ventilation net.

Claims

1. A harmonic management device comprising a sealed cabinet (1) and a carrier plate (2) movably arranged inside the sealed cabinet (1) for mounting working elements, characterized in that, It also includes a heat dissipation unit (3) fixedly connected with the side plate of the sealed cabinet (1), and a connecting unit (4) arranged in the sealed cabinet (1); The heat dissipation unit (3) includes a communication pipe (301) fixedly connected with the side plate of the sealed cabinet (1), a dust screen (302) fixedly connected with the end face of the communication pipe (301), and a heat dissipation fan (303) fixedly connected with the inner side wall of the communication pipe (301) for accelerating the air flow rate in the sealed cabinet (1); The connecting unit (4) includes a slide (401) formed in the inner side wall of the sealed cabinet (1), and a mounting block (406) fixedly connected with the outer side wall of the bearing plate (2) and located in the slide (401) for sliding.

2. A harmonic management device according to claim 1, characterized in that: The heat dissipation unit (3) further includes a servo motor (305) fixedly connected with the top of the sealed cabinet (1), a main gear (306) fixedly connected with the outer side wall of the output end of the servo motor (305), a rotating disc (307) movably arranged at the top of the sealed cabinet (1), and a transmission gear (308) fixedly connected with the outer side wall of the rotating disc (307).

3. A harmonic management device according to claim 2, characterized in that: The heat dissipation unit (3) further includes a first heat dissipation hole (304) penetrating through the top plate of the sealed cabinet (1), and a second heat dissipation hole (309) penetrating through the top of the rotating disc (307).

4. A harmonic management device according to claim 3, characterized in that: The heat dissipation unit (3) further includes a receiving groove (3010) formed in the top of the sealed cabinet (1), a connecting spring (3011) and a first electromagnet (3012) fixedly connected with the inner bottom wall of the receiving groove (3010), and a limiting block (3013) fixedly connected with the top of the connecting spring (3011).

5. A harmonic management device according to claim 1, characterized in that: The connecting unit (4) further includes a travel switch (402) inlaid in the inner side wall of the slide (401), a spring groove formed in the inner bottom wall of the slide (401), a return spring (403) fixedly connected with the inner bottom wall of the spring groove, a locking rod (404) fixedly connected with the end face of the return spring (403), and a second electromagnet (405) inlaid in the inner side wall of the side plate of the sealed cabinet (1).

6. A harmonic management device according to claim 5, characterized in that: The connecting unit (4) further includes a rectangular hole (407) penetrating through the top of the mounting block (406), and a ball (408) movably connected with the inner side wall of the rectangular hole (407).

7. A harmonic management device according to claim 6, characterized in that: The connecting unit (4) further includes a locking hole (409) penetrating through the top of the mounting block (406), and the inner diameter size of the locking hole (409) is equal to the outer diameter size of the locking rod (404).

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