CN203105035U - Semiconductor heat radiation device applied to photovoltaic controller - Google Patents
Semiconductor heat radiation device applied to photovoltaic controller Download PDFInfo
- Publication number
- CN203105035U CN203105035U CN 201220740195 CN201220740195U CN203105035U CN 203105035 U CN203105035 U CN 203105035U CN 201220740195 CN201220740195 CN 201220740195 CN 201220740195 U CN201220740195 U CN 201220740195U CN 203105035 U CN203105035 U CN 203105035U
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- controller
- semiconductor
- photovoltaic controller
- heat dissipation
- photovoltaic
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Abstract
The utility model relates to the field of photovoltaic power generation, especially to a semiconductor heat radiation device applied to a photovoltaic controller, which comprises a controller box, heat radiating fins, a semiconductor cooler and a refrigeration drive circuit. Bottoms of the heat radiating fins are coated with heat radiating silica gel, the heat radiating silica gel covers the hot end of the semiconductor cooler, and the cold end of the semiconductor cooler is positioned on a controller circuit and the refrigeration drive circuit. The semiconductor heat radiation device applied to the photovoltaic controller is simple in structure, can solve more and more complex heat radiation problems the photovoltaic controller with a low cost and a simple manner, can greatly improve service life and working efficiency of the photovoltaic controller, can indirectly improve work reliability of a load and a storage battery, and prolongs service life.
Description
Technical field
The utility model relates to the solar energy power generating field, specifically is a kind of semiconductor heat dissipation device that is applied to photovoltaic controller.
Background technology
Progress along with solar photovoltaic technology; the photovoltaic controller circuit becomes increasingly complex, and hardware circuit, current-voltage sampling circuit, buffer circuit, the overcurrent of collection MPPT technology cuts off load protection circuit, power circuit and toggle switch circuit, power tube drive circuit and storage battery charge control circuit or the like automatically and be one.Thing followed heat dissipation problem is also more and more severeer, and is bad if heat dissipation problem solves, and heat concentrates in the less controller box (case) of size, space, makes that the circuit internal temperature is more and more higher.When raising, temperature will cause following influence: reduce efficient, damage magnetic element and the output capacitor equivalent life of controller, the reliability of controller is reduced greatly.The useful life and the reliability of storage battery, load have simultaneously also been influenced.
At present, the main method that adopts is on the heat dissipation problem that solves photovoltaic controller: finned and installation fan.These methods are subjected to cost in actual applications, implement the influence of many objective condition such as complexity, and comprehensive radiating effect is not very desirable.
Semiconductor refrigerating claims that again thermoelectric cooling is to utilize the Peltier effect of semi-conducting material.When galvanic couple that direct current is connected into by two kinds of different semi-conducting materials, can absorb heat at the two ends of galvanic couple respectively and emit heat, can realize the purpose of freezing.It is a kind of Refrigeration Technique that produces negative thermal resistance, is characterized in movement-less part, and reliability is also than higher.Utilize the mode of semiconductor refrigerating to solve the heat dissipation problem of photovoltaic controller circuit, have very high practical value.
According to quantum theory, metal and semi-conducting material have different energy levels, different contact potential difference and different load bodies, be connected with metallic plate between P type and the N N-type semiconductor N, the other end is by circuit in the metallic plate pie graph, electric current tie by PN, will form cold effect in the upper end that semiconductor links to each other with metallic plate like this, the lower end forms thermal effect.
Summary of the invention
The purpose of this utility model is the deficiency that exists at prior art, and a kind of semiconductor heat dissipation device that is applied to photovoltaic controller is provided.
A kind of semiconductor heat dissipation device that is applied to photovoltaic controller of the utility model is achieved by following technical proposals: a kind of semiconductor heat dissipation device that is applied to photovoltaic controller comprises controller box, fin, semiconductor chilling plate, refrigeration drive circuit, described fin bottom is smeared thermal grease and is covered in the semiconductor cooler hot junction, and the semiconductor cooler cold junction is positioned on controller circuitry and the refrigeration drive circuit.
A kind of semiconductor heat dissipation device that is applied to photovoltaic controller of the utility model has following beneficial effect compared with prior art: technical solutions of the utility model are at the actual conditions that solve the solar photovoltaic controller heat dissipation problem, the high-performance Chip Microcomputer A UC824 that can select high integration is as control single chip computer, ADUC824 is full intelligent and high-efficiency single-chip microcomputer, have monitoring, temperature sensor, low-voltage, low-power consumption, volume be little, possess the online programming debug function, need not development device etc. characteristics.Adopt the core of ADUC824, improved the reliability of design, simplified the design of circuit simultaneously greatly as the semiconductor refrigerating controller.The power drive of semiconductor refrigerating adopts H type (full-bridge type) circuit, and the bidirectional current that can finish under the condition of single power supply semiconductor chilling plate drives, and finishes refrigerating operation.
The utility model is a kind of, and to be applied to the semiconductor heat dissipation device of photovoltaic controller simple in structure, can under lower cost, simple execution mode, solve the heat dissipation problem of the photovoltaic controller that becomes increasingly complex at present, can improve the useful life and the operating efficiency of photovoltaic controller greatly, and can improve the reliability of load, battery-operated indirectly, increase the service life.
Description of drawings:
A kind of semiconductor heat dissipation device that is applied to photovoltaic controller of the utility model has following accompanying drawing:
Fig. 1 is a kind of semiconductor heat dissipation device structural representation that is applied to photovoltaic controller of the utility model;
Fig. 2 is a kind of semiconductor heat dissipation device semiconductor refrigerating fundamental diagram that is applied to photovoltaic controller of the utility model;
Fig. 3 is a kind of semiconductor heat dissipation device semiconductor refrigerating circuit diagram that is applied to photovoltaic controller of the utility model;
Fig. 4 is a kind of semiconductor heat dissipation device semiconductor refrigerating control principle block diagram that is applied to photovoltaic controller of the utility model.
Wherein: 1, controller box; 2, fin; 3, semiconductor chilling plate; 4, refrigeration drive circuit; 5, thermal grease; 6, controller circuitry; 7, screw.
Embodiment
Below in conjunction with drawings and Examples a kind of semiconductor heat dissipation device technical scheme that is applied to photovoltaic controller of the utility model is further described.
As Fig. 1-shown in Figure 4, a kind of semiconductor heat dissipation device that is applied to photovoltaic controller comprises controller box 1, fin 2, semiconductor chilling plate 3, refrigeration drive circuit 4, described fin 2 bottoms are smeared thermal grease 5 and are covered in the semiconductor cooler hot junction, and the semiconductor cooler cold junction is positioned on controller circuitry 6 and the refrigeration drive circuit 4.
Described controller box 1 is the rectangular structure of an opening, and opening part is by screw 7 fixing cooling fins 2, and all the other five all offer louvre.
Described refrigeration drive circuit 4 is the control core with the single-chip microcomputer, and the power drive of refrigeration adopts the H bridge circuit, can finish bidirectional current and drive under the condition of single power supply, finishes the refrigerating operation of controller circuitry.
Technology path
1, device mainly is made up of controller box, fin, semiconductor chilling plate, refrigeration drive circuit, and the fin bottom is smeared thermal grease and is covered in the semiconductor cooler hot junction, and the semiconductor cooler cold junction is positioned on controller circuitry and the refrigeration drive circuit.
2, controller box is the aluminium alloy rectangular structure of an opening, and opening part uses the screw fixing cooling fins, and all the other five all have louvre.
3, the refrigeration drive circuit is the control core by single-chip microcomputer, and the power drive of refrigeration adopts H type (full-bridge type) circuit, can finish bidirectional current and drive under the condition of single power supply, finishes the refrigerating operation of controller circuitry.
A kind of semiconductor heat dissipation device that is applied to photovoltaic controller of the utility model, heat abstractor is installed in the controller box, adopt the operation principle of semiconductor refrigerating, moving components such as no fan, reliability is higher, use single-chip microcomputer as the control core, drive and adopt H type (full-bridge type) circuit, can be under the condition of single power supply refrigerating operation.The heat dissipation problem of the photovoltaic controller that becomes increasingly complex at present can be under lower cost, simple execution mode, solved, the useful life and the operating efficiency of photovoltaic controller can be improved greatly.
Claims (3)
1. semiconductor heat dissipation device that is applied to photovoltaic controller, comprise controller box (1), fin (2), semiconductor chilling plate (3), refrigeration drive circuit (4), be characterised in that: described fin (2) bottom is smeared thermal grease (5) and is covered in the semiconductor cooler hot junction, and the semiconductor cooler cold junction is positioned on controller circuitry (6) and the refrigeration drive circuit (4).
2. according to the described semiconductor heat dissipation device that is applied to photovoltaic controller of claim 1, it is characterized in that: described controller box (1) is the rectangular structure of an opening, opening part is by screw (7) fixing cooling fins (2), and all the other five all offer louvre.
3. according to the described semiconductor heat dissipation device that is applied to photovoltaic controller of claim 1, it is characterized in that: described refrigeration drive circuit (4) is the control core with the single-chip microcomputer, the power drive of refrigeration adopts the H bridge circuit, can under the condition of single power supply, finish bidirectional current and drive, finish the refrigerating operation of controller circuitry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740195 CN203105035U (en) | 2012-12-30 | 2012-12-30 | Semiconductor heat radiation device applied to photovoltaic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740195 CN203105035U (en) | 2012-12-30 | 2012-12-30 | Semiconductor heat radiation device applied to photovoltaic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203105035U true CN203105035U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220740195 Expired - Fee Related CN203105035U (en) | 2012-12-30 | 2012-12-30 | Semiconductor heat radiation device applied to photovoltaic controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203105035U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025634A (en) * | 2015-07-31 | 2015-11-04 | 苏州宏展信息科技有限公司 | LED lamp tube heat dissipation control system |
| CN107157404A (en) * | 2017-07-17 | 2017-09-15 | 江苏美的清洁电器股份有限公司 | The battery bag and dust catcher of dust catcher |
| CN111181484A (en) * | 2020-01-07 | 2020-05-19 | 新疆中兴能源有限公司 | Device for heating photovoltaic module with high efficiency |
-
2012
- 2012-12-30 CN CN 201220740195 patent/CN203105035U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105025634A (en) * | 2015-07-31 | 2015-11-04 | 苏州宏展信息科技有限公司 | LED lamp tube heat dissipation control system |
| CN107157404A (en) * | 2017-07-17 | 2017-09-15 | 江苏美的清洁电器股份有限公司 | The battery bag and dust catcher of dust catcher |
| CN111181484A (en) * | 2020-01-07 | 2020-05-19 | 新疆中兴能源有限公司 | Device for heating photovoltaic module with high efficiency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |