Inverter with good heat dissipation

By designing an automated heat dissipation control system and auxiliary mechanism in the photovoltaic inverter, the problems of low heat dissipation performance and troublesome operation of the existing inverter are solved, and better heat dissipation effect and simple maintenance process are achieved.

CN222638951UActive Publication Date: 2025-03-18深圳市鼎瓷半导体有限公司
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Patent Information

Application Number
CN202421187676.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-03-18
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

The existing photovoltaic inverters have low heat dissipation performance when used, and require manual switch or constant turn on the heat dissipation motor, resulting in poor heat dissipation effect or troublesome operation.

Method used

An inverter including a main mechanism and an auxiliary mechanism is designed. The main mechanism monitors the temperature through a temperature sensor and a PLC controller, and automatically starts the drive motor to drive the cooling fan to circulate air. The auxiliary mechanism realizes the movement of the monitoring camera and the opening of the maintenance cabinet through the servo motor and the transmission screw.

Benefits of technology

The automatic heat dissipation control of the inverter is realized, which avoids the heating problems caused by long-term use of the heat dissipation motor, improves the heat dissipation effect, and simplifies the maintenance process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of inverters, and discloses an inverter with good heat dissipation, which comprises a main body mechanism and an auxiliary mechanism, the auxiliary mechanism is positioned on the outer side of the main body mechanism, the main body mechanism comprises a device main body, an air inlet hole, an air outlet hole, heat dissipation holes and an inverter main body, the air inlet hole is fixedly arranged at the right end of the device main body, and the air outlet hole is fixedly arranged at the right end of the inverter main body. The air outlet is fixedly formed in the left end of the device body, and the heat dissipation holes are fixedly formed in the upper end of the device body. According to the inverter with good heat dissipation, internal air circulation is completed through an air inlet hole and an air outlet hole, a temperature sensor is arranged in the inverter to monitor the temperature in the inverter, when the temperature is too high, a PLC starts a driving motor, a transmission rod drives a heat dissipation fan, internal hot air is blown out upwards and discharged through heat dissipation holes, and the heat dissipation efficiency is improved. And when the temperature is reduced to the normal temperature, the PLC can turn off the driving motor, so that the heat dissipation motor is prevented from heating after being used for a long time, and the heat dissipation effect of the device is better.
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Description

Technical Field

[0001] The utility model relates to the technical field of inverters, in particular to an inverter with good heat dissipation. Background Art

[0002] A photovoltaic inverter is an inverter that can convert the variable DC voltage generated by photovoltaic solar panels into AC power at the mains frequency. The process of converting DC power into AC power is usually called inversion, the circuit that completes the inversion function is called an inverter circuit, and the device in the inversion process is called an inverter. The existing inverters have low heat dissipation performance when in use, which can easily cause damage to the internal circuit.

[0003] Prior art CN215120595U, this patent proposes a photovoltaic inverter with good heat dissipation, by installing two sets of heat dissipation devices on the front of the photovoltaic inverter body, the driving motor in the heat dissipation device can convert electrical energy into kinetic energy after power-on, and can drive the fan to rotate. When the fan rotates, the heat inside the inverter can be discharged, and an air duct is installed at the rear of the heat dissipation device through a connector, the air duct is installed inside the inverter, and an air inlet is installed on the outer surface of the air duct. The heat generated by the internal structure of the equipment during operation can be immediately absorbed through the air duct and the air inlet, so that the heat dissipation effect of the inverter is better, and at the same time, a cooling plate is installed on the inner wall of the photovoltaic inverter body, and the cooling plate can further improve the heat dissipation effect of the inverter and also has a cooling effect.

[0004] When the prior art is in use, a heat dissipation motor is usually used to drive a heat dissipation fan to blow out the heat in the device through the air outlet, so as to reduce the heat in the device. However, when it is in use, the heat dissipation motor needs to be manually turned on and off or the heat dissipation motor needs to be turned on all the time. If the heat dissipation motor is turned on all the time, the heat dissipation motor itself will heat up and the heat dissipation effect will be poor. Manual switching is more troublesome. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] The purpose of the utility model is to provide an inverter with good heat dissipation to solve the problem proposed in the above background technology that when in use, the heat dissipation motor needs to be manually turned on and off or the heat dissipation motor needs to be turned on all the time. If the heat dissipation motor is turned on all the time, the heat dissipation motor itself will generate heat, and the heat dissipation effect is poor. Manual switching is more troublesome.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inverter with good heat dissipation, comprising a main mechanism and an auxiliary mechanism, wherein the auxiliary mechanism is located on the outside of the main mechanism, and the main mechanism comprises a device body, an air inlet, an air outlet, a heat dissipation hole and an inverter body, wherein the air inlet is fixedly arranged at the right end of the device body, the air outlet is fixedly arranged at the left end of the device body, the heat dissipation hole is fixedly arranged at the upper end of the device body, and the inverter body is fixedly installed at the inner lower end of the device body.

[0009] Preferably, the main body structure also includes a temperature sensor, a temperature detection probe, a PLC controller, a drive motor, a transmission rod and a cooling fan, and the temperature sensor is fixedly mounted on the inner upper end of the device body.

[0010] Preferably, the temperature detection probe is fixedly installed at the lower end of the temperature sensor, the PLC controller is fixedly installed at the left end of the temperature sensor, and the PLC controller is electrically connected to the temperature sensor.

[0011] Preferably, the drive motor is fixedly mounted on the upper end of the inverter body, the drive motor is electrically connected to the PLC controller, the transmission rod is fixedly mounted on the transmission end of the drive motor, and the cooling fan is fixedly mounted on the upper end of the transmission rod.

[0012] Preferably, the auxiliary mechanism includes a servo motor, a transmission screw, a movable block, a monitoring camera, a positioning plate, an inspection cabinet door, a cabinet door handle, a mounting plate and a wiring plug, and the servo motor is fixedly mounted on the upper right end of the device body.

[0013] Preferably, the transmission screw is fixedly mounted on the transmission end of the servo motor, the movable block is movably mounted on the outer end of the transmission screw, the inner end of the movable block is provided with a thread corresponding to the transmission screw, and the monitoring camera is fixedly mounted on the lower end of the movable block.

[0014] Preferably, the positioning plate is fixedly installed on the upper left end of the device body, the other end of the positioning plate is slidably connected to the other end of the transmission screw, the inspection cabinet door is movably installed on the left end of the device body, the cabinet door handle is fixedly installed on the right end of the inspection cabinet door, the mounting plate is fixedly installed on the right end of the device body, and the wiring plug is fixedly set on the right end of the device body.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The inverter with good heat dissipation can complete the internal air circulation through the air inlet and outlet holes when the device is in use by installing the main body mechanism, and a temperature sensor is arranged inside to monitor the temperature inside the device. When the temperature is too high, the PLC controller will start the drive motor, so that the transmission rod drives the cooling fan, so that the internal hot air is blown upward and discharged through the heat dissipation holes. When the temperature drops to normal temperature, the PLC controller will turn off the drive motor to avoid the heat dissipation motor from heating up after long-term use, so that the heat dissipation effect of the device is better;

[0017] 2. The inverter with good heat dissipation can be installed with auxiliary mechanisms so that when the device is in use, the servo motor can be started to rotate the transmission screw. Because the inner end of the movable block is provided with a thread corresponding to the transmission screw, when the transmission screw rotates, the movable block will move left and right, thereby driving the monitoring camera at the bottom to move, so as to observe the parts in the device. When it is observed that the parts in the device are damaged, the maintenance cabinet door can be opened through the cabinet door handle, so as to make maintenance more convenient and more convenient during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the main mechanism of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the auxiliary mechanism of the utility model.

[0022] In the figure: 1. Main mechanism; 101. Device body; 102. Air inlet; 103. Air outlet; 104. Heat dissipation hole; 105. Inverter body; 106. Temperature sensor; 107. Temperature detection probe; 108. PLC controller; 109. Drive motor; 110. Transmission rod; 111. Cooling fan; 2. Auxiliary mechanism; 201. Servo motor; 202. Transmission screw rod; 203. Movable block; 204. Monitoring camera; 205. Positioning piece; 206. Inspection cabinet door; 207. Cabinet door handle; 208. Mounting plate; 209. Wiring plug. DETAILED DESCRIPTION

[0023] 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 in 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.

[0024] See also Figure 1 - Figure 4 The utility model provides a technical solution: an inverter with good heat dissipation, including a main mechanism 1 and an auxiliary mechanism 2, the auxiliary mechanism 2 is located on the outside of the main mechanism 1, the main mechanism 1 includes a device body 101, an air inlet 102, an air outlet 103, a heat dissipation hole 104 and an inverter body 105, the air inlet 102 is fixedly arranged at the right end of the device body 101, the air outlet 103 is fixedly arranged at the left end of the device body 101, the heat dissipation hole 104 is fixedly arranged at the upper end of the device body 101, and the inverter body 105 is fixedly installed at the inner lower end of the device body 101.

[0025] The main body 1 also includes a temperature sensor 106, a temperature detection probe 107, a PLC controller 108, a drive motor 109, a transmission rod 110 and a cooling fan 111. The temperature sensor 106 is fixedly installed on the inner upper end of the device body 101, the temperature detection probe 107 is fixedly installed on the lower end of the temperature sensor 106, the PLC controller 108 is fixedly installed on the left end of the temperature sensor 106, the PLC controller 108 is electrically connected to the temperature sensor 106, the drive motor 109 is fixedly installed on the upper end of the inverter body 105, the drive motor 109 is electrically connected to the PLC controller 108, the transmission rod 110 is fixedly installed on the transmission end of the drive motor 109, and the cooling fan 111 is fixedly installed on the upper end of the transmission rod 110.

[0026] The auxiliary mechanism 2 includes a servo motor 201, a transmission screw 202, a movable block 203, a monitoring camera 204, a positioning piece 205, an inspection cabinet door 206, a cabinet door handle 207, a mounting plate 208 and a wiring plug 209. The servo motor 201 is fixedly mounted on the upper right end of the device body 101, the transmission screw 202 is fixedly mounted on the transmission end of the servo motor 201, the movable block 203 is movably mounted on the outer end of the transmission screw 202, and the inner end of the movable block 203 is provided with a Corresponding threads, the monitoring camera 204 is fixedly installed at the lower end of the movable block 203, the positioning plate 205 is fixedly installed at the upper left end of the device body 101, the other end of the positioning plate 205 is slidably connected to the other end of the transmission screw 202, the maintenance cabinet door 206 is movably installed at the left end of the device body 101, the cabinet door handle 207 is fixedly installed at the right end of the maintenance cabinet door 206, the mounting plate 208 is fixedly installed at the right end of the device body 101, and the wiring plug 209 is fixedly set at the right end of the device body 101.

[0027] Working principle: When the device is in use, the internal air circulation can be completed through the air inlet 102 and the air outlet 103, and a temperature sensor 106 is arranged inside to monitor the temperature inside the device. When the temperature is too high, the PLC controller 108 will start the drive motor 109, so that the transmission rod 110 drives the cooling fan 111, so that the internal hot air is blown upward and discharged through the cooling hole 104. When the temperature drops to normal temperature, the PLC controller 108 will turn off the drive motor 109 to avoid the cooling motor from heating up after long-term use, so that the device The heat dissipation effect is better. When the device is in use, the servo motor 201 can be started to rotate the transmission screw 202. Because the inner end of the movable block 203 is provided with a thread corresponding to the transmission screw 202, when the transmission screw 202 rotates, the movable block 203 will move left and right, thereby driving the monitoring camera 204 at the bottom to move, so as to observe the parts in the device. When it is observed that the parts in the device are damaged, the maintenance cabinet door 206 can be opened through the cabinet door handle 207, so as to facilitate maintenance, which is more convenient during maintenance.

[0028] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. An inverter with good heat dissipation, comprising a main mechanism (1) and an auxiliary mechanism (2), characterized in that: The auxiliary mechanism (2) is located outside the main mechanism (1); the main mechanism (1) comprises a device body (101), an air inlet (102), an air outlet (103), a heat dissipation hole (104) and an inverter body (105); the air inlet (102) is fixedly arranged at the right end of the device body (101); the air outlet (103) is fixedly arranged at the left end of the device body (101); the heat dissipation hole (104) is fixedly arranged at the upper end of the device body (101); and the inverter body (105) is fixedly mounted at the lower end of the inner side of the device body (101).

2. The inverter with good heat dissipation according to claim 1, characterized in that: The main body mechanism (1) further comprises a temperature sensor (106), a temperature detection probe (107), a PLC controller (108), a drive motor (109), a transmission rod (110) and a cooling fan (111); the temperature sensor (106) is fixedly mounted on the inner upper end of the device body (101).

3. The inverter with good heat dissipation according to claim 2, characterized in that: The temperature detection probe (107) is fixedly mounted at the lower end of the temperature sensor (106), the PLC controller (108) is fixedly mounted at the left end of the temperature sensor (106), and the PLC controller (108) is electrically connected to the temperature sensor (106).

4. The inverter with good heat dissipation according to claim 3, characterized in that: The drive motor (109) is fixedly mounted on the upper end of the inverter body (105), the drive motor (109) is electrically connected to the PLC controller (108), the transmission rod (110) is fixedly mounted on the transmission end of the drive motor (109), and the cooling fan (111) is fixedly mounted on the upper end of the transmission rod (110).

5. The inverter with good heat dissipation according to claim 4, characterized in that: The auxiliary mechanism (2) comprises a servo motor (201), a transmission screw (202), a movable block (203), a monitoring camera (204), a positioning piece (205), an inspection cabinet door (206), a cabinet door handle (207), a mounting plate (208) and a wiring plug (209); the servo motor (201) is fixedly mounted on the upper right end of the device body (101).

6. The inverter with good heat dissipation according to claim 5, characterized in that: The transmission screw (202) is fixedly mounted on the transmission end of the servo motor (201), the movable block (203) is movably mounted on the outer end of the transmission screw (202), the inner end of the movable block (203) is provided with a thread corresponding to the transmission screw (202), and the monitoring camera (204) is fixedly mounted on the lower end of the movable block (203).

7. The inverter with good heat dissipation according to claim 6, characterized in that: The positioning plate (205) is fixedly mounted on the upper left end of the device body (101); the other end of the positioning plate (205) is slidably connected to the other end of the transmission screw (202); the inspection cabinet door (206) is movably mounted on the left end of the device body (101); the cabinet door handle (207) is fixedly mounted on the right end of the inspection cabinet door (206); the mounting plate (208) is fixedly mounted on the right end of the device body (101); and the wiring plug (209) is fixedly arranged on the right end of the device body (101).

Citation Information

Patent Citations

  • Photovoltaic inverter with good heat dissipation performance

    CN215120595U