阅读说明：本技术 一种降低变频器功率损耗的开关装置 (Switching device for reducing power loss of frequency converter ) 是由 殷德明 于 2020-05-20 设计创作，主要内容包括：本发明公开了一种降低变频器功率损耗的开关装置,包括变频器控制电路板,所述变频器控制电路板通过导线与开关控制器电性连接,所述开关控制器通过导线与散热风扇电性连接,所述散热风扇位于散热翅片上方,所述散热翅片设置在变频器控制电路板上侧,所述散热翅片上设置有导热组件。本发明减少了变频器控制电路对散热风扇的控制,减少了功率的损耗,且实现了余热回收再利用的目的,降低了功率的损耗,同时也降低了使用成本。(The invention discloses a switching device for reducing power loss of a frequency converter, which comprises a frequency converter control circuit board, wherein the frequency converter control circuit board is electrically connected with a switching controller through a lead, the switching controller is electrically connected with a radiating fan through a lead, the radiating fan is positioned above radiating fins, the radiating fins are arranged on the upper side of the frequency converter control circuit board, and heat conducting components are arranged on the radiating fins. The invention reduces the control of the frequency converter control circuit on the cooling fan, reduces the power loss, realizes the purpose of waste heat recovery and reutilization, reduces the power loss and simultaneously reduces the use cost.)

1. The utility model provides a reduce switching device of converter power loss, includes converter control circuit board (1), its characterized in that: the frequency converter control circuit board (1) is electrically connected with the switch controller (2) through a lead, the switch controller (2) is electrically connected with the heat dissipation fan (3) through a lead, the heat dissipation fan (3) is positioned above the heat dissipation fins (4), the heat dissipation fins (4) are arranged on the upper side of the frequency converter control circuit board (1), and the heat conduction assemblies (6) are arranged on the heat dissipation fins (4);

the heat conducting component (6) comprises a heat conducting plate (13), the heat conducting plate (13) is positioned at the lower side of the micro boiler (14), the micro boiler (14) is connected with the micro superheater (7) through a pipeline, the micro superheater (7) is connected with the micro steam turbine (8) through a pipeline, the micro turbine (8) is connected with a micro generator (9) through a conveying shaft, the micro generator (9) is electrically connected with the storage battery (10) through a lead, the micro turbine (8) is connected with a micro condenser (11) through a pipeline, the micro condenser (11) is connected with a micro delivery pump (12) through a pipeline, the micro delivery pump (12) is communicated with the micro boiler (14) through a lead, the storage battery (10) is electrically connected with the cooling fan (3) and the micro delivery pump (12) through leads respectively.

2. The switching device for reducing power loss of the frequency converter according to claim 1, wherein: and a heat conduction silica gel sheet (5) is arranged between the radiating fin (4) and the frequency converter control circuit board (1).

3. The switching device for reducing power loss of the frequency converter according to claim 2, wherein: the heat-conducting silica gel sheet (5) is a heat-conducting medium material which is synthesized by taking silica gel as a base material, adding various auxiliary materials such as metal oxide and the like and adopting a special process.

4. The switching device for reducing power loss of the frequency converter according to claim 1, wherein: an open slot is processed in the radiating fin (4), and a heat conduction plate (13), a micro boiler (14) and a micro superheater (7) are arranged in the open slot.

5. The switching device for reducing power loss of the frequency converter according to claim 1, wherein: the switch controller (2) is electrically connected with the heat radiation fan (3) and the micro delivery pump (12) through leads respectively.

6. The switching device for reducing power loss of the frequency converter according to claim 1, wherein: the radiating fins (4) and the micro condenser (11) are both made of metal copper materials.

Technical Field

The invention relates to the technical field of frequency converters, in particular to a switching device for reducing power loss of a frequency converter.

Background

The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like. The frequency converter adjusts the voltage and frequency of an output power supply by switching on and off an internal IGBT, provides the required power supply voltage according to the actual requirement of the motor, and further achieves the purposes of energy saving and speed regulation. With the continuous improvement of the industrial automation degree, the frequency converter is also widely applied.

However, in the prior art, when the existing frequency converter is used, the control circuit board on the frequency converter is generally conducted through the switch controller, and then the motor is controlled, however, in the process from starting to conducting and running of the control circuit board, a part of electric energy in the control circuit board is dissipated through heat energy and mechanical energy, so that the power loss of the frequency converter is increased, and the use cost is increased.

Therefore, in view of the above technical problems, it is necessary for those skilled in the art to develop a switching device for reducing power loss of an inverter.

Disclosure of Invention

The invention aims to provide a switching device for reducing power loss of a frequency converter.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a switching device for reducing power loss of a frequency converter comprises a frequency converter control circuit board, wherein the frequency converter control circuit board is electrically connected with a switching controller through a lead, the switching controller is electrically connected with a radiating fan through a lead, the radiating fan is positioned above a radiating fin, the radiating fin is arranged on the upper side of the frequency converter control circuit board, a heat conducting component is arranged on the radiating fin, the heat conducting component comprises a heat conducting plate, the heat conducting plate is positioned on the lower side of a micro-boiler, the micro-boiler is connected with the micro-superheater through a pipeline, the micro-superheater is connected with a micro-turbine through a pipeline, the micro-turbine is connected with a micro-generator through a conveying shaft, the micro-generator is electrically connected with a storage battery through a lead, the micro-turbine is connected with a micro-condenser through a pipeline, and the micro-condenser is connected with a micro-conveying pump through a pipeline, the miniature delivery pump is communicated with the miniature boiler through a lead, and the storage battery is respectively and electrically connected with the cooling fan and the miniature delivery pump through leads.

Preferably, a heat conduction silica gel sheet is arranged between the radiating fin and the frequency converter control circuit board.

Preferably, the heat-conducting silica gel sheet is a heat-conducting medium material synthesized by taking silica gel as a base material, adding various auxiliary materials such as metal oxides and the like and adopting a special process.

Preferably, an open slot is processed in the radiating fin, and a heat conducting plate, a micro boiler and a micro superheater are arranged in the open slot.

Preferably, the switch controller is electrically connected with the heat dissipation fan and the micro delivery pump respectively through wires.

Preferably, the radiating fins and the micro condenser are made of metal copper materials.

By adopting the technical scheme, the method has the following beneficial effects:

the utility model provides a reduce switching device of converter power loss is through adopting the heat-conducting plate, miniature boiler, miniature steam turbine and microgenerator, realized absorbing the heat energy on the converter control circuit board, and through converting into the electric energy, and save through the battery, and start radiator fan and miniature delivery pump when control converter control circuit opens and close through the switch controller, dispel the heat through radiator fan, the control of converter control circuit to radiator fan has been reduced, the loss of power has been reduced, and the purpose that waste heat recovery recycled has been realized, the loss of power has been reduced, use cost has also been reduced simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1 is a schematic diagram of a switching device for reducing power loss of a frequency converter according to the present invention;

FIG. 2 is a schematic diagram of a heat-conducting component of a switching device for reducing power loss of a frequency converter according to the present invention;

fig. 3 is a functional block diagram of a switching device for reducing power loss of a frequency converter according to the present invention.

In the figure: 1-frequency converter control circuit board, 2-switch controller, 3-cooling fan, 4-cooling fin, 5-heat conduction silica gel sheet, 6-heat conduction component, 7-micro superheater, 8-micro steam turbine, 9-micro generator, 10-storage battery, 11-micro condenser, 12-micro delivery pump, 13-heat conduction plate and 14-micro boiler.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1-3, the switching device for reducing power loss of the frequency converter of the present invention includes a frequency converter control circuit board 1, the frequency converter control circuit board 1 is electrically connected to a switch controller 2 through a wire, the switch controller 2 is electrically connected to a heat dissipation fan 3 through a wire, the heat dissipation fan 3 is located above a heat dissipation fin 4, the heat dissipation fin 4 is disposed on the upper side of the frequency converter control circuit board 1, and a heat conduction assembly 6 is disposed on the heat dissipation fin 4.

The heat conducting component 6 comprises a heat conducting plate 13, the heat conducting plate 13 is located on the lower side of a micro boiler 14, the micro boiler 14 is connected with a micro superheater 7 through a pipeline, the micro superheater 7 is connected with a micro turbine 8 through a pipeline, the micro turbine 8 is connected with a micro generator 9 through a conveying shaft, the micro generator 9 is electrically connected with a storage battery 10 through a wire, the micro turbine 8 is connected with a micro condenser 11 through a pipeline, the micro condenser 11 is connected with a micro delivery pump 12 through a pipeline, the micro delivery pump 12 is communicated with the micro boiler 14 through a wire, and the storage battery 10 is respectively electrically connected with a cooling fan 3 and the micro delivery pump 12 through wires.

Preferably, a heat-conducting silica gel sheet 5 is arranged between the heat-radiating fin 4 and the frequency converter control circuit board 1, and the heat-conducting silica gel sheet 5 is heated and is converted from a solid state to a liquid state, so that the heat-conducting contact area between the heat-radiating fin 4 and the frequency converter control circuit board 1 is enlarged, and the heat-conducting and heat-radiating effects are provided.

Preferably, the heat-conducting silica gel sheet 5 is a heat-conducting medium material synthesized by using silica gel as a base material, adding various auxiliary materials such as metal oxides and the like, and performing a special process.

Preferably, an opening groove is formed in the radiating fin 4, a heat conduction plate 13, a micro boiler 14 and a micro superheater 7 are arranged in the opening groove, and the heat conduction plate 13, the micro boiler 14 and the micro superheater 7 are convenient to place.

Preferably, the switch controller 2 is electrically connected to the cooling fan 3 and the micro delivery pump 12 through wires, so as to control the opening and closing of the cooling fan 3 and the micro delivery pump 12.

Preferably, the heat dissipating fins 4 and the micro-condenser 11 are made of a metallic copper material, providing heat conduction and heat dissipation efficiency.

The working principle is as follows: the user communicates the switch controller 2 with the external circuit, then the switch controller 2 is opened, the switch-on of the frequency converter control circuit board 1 is realized, the operation of the external motor is controlled through the frequency converter control circuit board 1, meanwhile, part of electric energy in the frequency converter control circuit board 1 is emitted in the form of heat energy and mechanical energy in the operation process, so that the power loss of the frequency converter is caused, at the moment, the heat energy on the frequency converter control circuit board 1 is transmitted to the radiating fins 4, at the moment, the heat energy on the radiating fins 4 is absorbed by the heat conducting plate 13 and transmitted to the micro-boiler 14, the micro-boiler 14 heats the circulating water in the micro-boiler, and the circulating water is reheated through the micro-superheater 7 and deforms the steam, and then the steam is transmitted to the micro-turbine 8 through a pipeline, so as to drive the micro-turbine 8 to rotate, the micro turbine 8 rotates to drive the micro generator 9 to rotate and generate electric energy, then the electric energy is conveyed into the storage battery 10 through a lead and stored in the storage battery 10, then the steam is conveyed into the micro condenser 11 through a pipeline and liquefied through the micro condenser 11 and then conveyed to flow back into the micro boiler 14 through the micro conveying pump 12, meanwhile, the on-off controller 2 also controls the on-off of the heat dissipation fan 3 and the micro conveying pump 12, so that the heat dissipation fan 3 operates and blows the frequency converter control circuit board 1 to dissipate heat, the purpose of quickly dissipating heat of the frequency converter control circuit board 1 is realized, the service life of the frequency converter control circuit board 1 is prolonged, the frequency converter control circuit board 1 does not need to control and conduct the on-off of the heat dissipation fan 3, and the power loss of the frequency converter control circuit board 1 to the control part of the heat dissipation fan 3 is reduced, and the waste heat is recycled, the power loss of the frequency converter is further reduced, the use cost is saved, and the use effect is good.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.