CN210111001U - Heating circuit, aluminum substrate with same, battery pack and solar battery - Google Patents
Heating circuit, aluminum substrate with same, battery pack and solar battery Download PDFInfo
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- CN210111001U CN210111001U CN201921301041.9U CN201921301041U CN210111001U CN 210111001 U CN210111001 U CN 210111001U CN 201921301041 U CN201921301041 U CN 201921301041U CN 210111001 U CN210111001 U CN 210111001U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a power electronic technology field discloses a heating circuit and aluminium base board, battery package and solar cell that have this circuit. The heating circuit includes: a heating branch and a voltage stabilizing branch; the voltage stabilizing branch is used for receiving heating starting voltage sent by the solar panel and sending a starting signal to the heating branch; the heating branch is used for starting and heating the solar cell panel according to the starting signal; wherein the starting signal of the heating branch circuit is determined by the maximum power point voltage of the solar panel. Adopt the utility model discloses the circuit can use simple device, realizes heating function to be applicable to solar cell, make heating circuit can work near solar cell panel's maximum power point. The maximum use of limited solar energy for cell heating is achieved with minimal cost.
Description
Technical Field
The utility model relates to a power electronic technology field, in particular to heating circuit and aluminium base board, battery package and solar cell that have this circuit.
Background
Currently, charging of rechargeable batteries requires that the temperature be within a preset temperature threshold range, for example: the battery charging temperature is required to be 0 degrees or more than 10 degrees. The temperature threshold required for charging is different according to different types of rechargeable batteries. Therefore, the temperature of the battery needs to be brought to a predetermined temperature in order for the battery to be charged optimally. There are many ways for a multi-cell charging heating circuit, but there are special requirements for the rechargeable cell used in the solar panel to heat up, and to track the maximum power point of the solar energy.
A heating mode such as a Positive Temperature Coefficient (PTC) heating element or a resistance wire is adopted, and Maximum Power Point Tracking (MPPT) of solar energy is not considered in the heating mode. The heating mode of the PTC heating body or the resistance wire can cause the efficiency loss of the solar cell panel under the condition that the illumination and the load are not matched, and the control circuit is complex and has higher cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heating circuit and aluminium base board, battery package and the solar cell who has this circuit to overcome among the prior art to solar cell panel under the unmatched condition of illumination and load, efficiency loss appears, and control circuit is complicated, and the cost is higher.
In order to solve the above technical problem, an embodiment of the present invention provides a heating circuit, including: a heating branch and a voltage stabilizing branch;
the voltage stabilizing branch is used for receiving heating starting voltage sent by the solar panel and sending a starting signal to the heating branch;
the heating branch is used for starting and heating the solar cell panel according to the starting signal;
wherein the starting signal of the heating branch circuit is determined by the maximum power point voltage of the solar panel.
The embodiment of the utility model also provides an aluminium base board, this aluminium base board includes: a heating circuit as described above.
The utility model discloses an embodiment still provides a battery package, and this battery package includes: the aluminum substrate described above.
The embodiment of the utility model also provides a solar cell, should include: a battery pack as described above.
The utility model provides a pair of heating circuit and aluminium base board, battery package and solar cell that have this circuit pass through.
Drawings
Fig. 1 is a schematic diagram of a heating circuit provided by an embodiment of the present invention;
fig. 2 is a circuit diagram of a heating circuit provided by an embodiment of the present invention;
fig. 3 is another heating circuit diagram provided by the embodiment of the present invention;
fig. 4 is a schematic view of an aluminum substrate according to an embodiment of the present invention;
fig. 5 is a schematic view of a battery pack according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a solar cell according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail each embodiment of the present invention with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solutions claimed in the claims of the present application can be implemented without these technical details and with various changes and modifications based on the following embodiments.
The first embodiment of the present invention relates to a heating circuit. The circuit schematic diagram is shown in fig. 1. The circuit includes: a heating branch 101 and a voltage stabilizing branch 102;
the voltage stabilizing branch 102 is configured to receive a heating start voltage sent by a solar panel and send a start signal to the heating branch;
the heating branch 101 is used for starting to heat the solar panel according to the starting signal;
wherein, the starting signal of the heating branch 101 is determined by the maximum power point voltage of the solar panel.
Based on the above heating circuit, the utility model provides a heating circuit, adopts NPN switch tube, as shown in FIG. 2; the circuit includes: a heating branch and a voltage stabilizing branch;
the heating branch comprises: a power resistor R1 and a switch tube V1; one end of the power resistor R1 is connected with the anode of the solar panel, and the other end of the power resistor R1 is connected with the collector of the switch tube V1; the base electrode of the switch tube V1 is connected with the voltage-stabilizing branch, and the emitter electrode of the switch tube V1 is connected with the cathode of the solar panel. The voltage stabilizing branch comprises: a current limiting resistor R2, a voltage dividing resistor R3 and a voltage stabilizing diode D1;
one end of the current-limiting resistor R2 is connected with the anode of the voltage-stabilizing diode D1, and the other end of the current-limiting resistor R2 is connected with the base of the switch tube V1 and the connecting end of the voltage-dividing resistor R3; the cathode of the voltage stabilizing diode D1 is connected with the anode of the solar panel; the other end of the voltage division resistor R3 is connected with the cathode of the solar cell panel.
The resistance value of the power resistor R1 is smaller than that required by the maximum output power of the solar panel, R2 is the current-limiting resistor of a voltage regulator tube, and the resistance value of R3 is far larger than that of R2, so that current mainly flows through the resistor R2 and flows into the base B of the switch tube V1. The stabilized voltage of the zener diode D1 is slightly less than the maximum solar power point voltage, for example: the voltage is between 0.3V and 1V less than the maximum power point voltage of the solar energy.
The working principle of the heating circuit is as follows: when the output voltage of the solar panel is lower than the maximum power point voltage, the voltage is not enough to break down the voltage stabilizing diode D1, the circuit is cut off to ensure that the solar panel outputs the maximum power point voltage, the voltage stabilizing diode D1 is conducted near the maximum power point voltage, the switch tube V1 is opened, current flows through the resistor R1, the switch tube V1 and the resistor R1 jointly generate heat, and the heating circuit can be welded on an aluminum substrate to heat the aluminum substrate, so that the battery pack with the aluminum substrate is heated.
The circuit adopts simpler devices, realizes the heating function, is suitable for the solar cell panel, and can work near the maximum power point of the solar cell panel. The maximum use of limited solar energy for cell heating is achieved with minimal cost.
When the switching tube adopts a heating circuit of a PNP tube; as shown in fig. 3, the circuit includes: a heating branch and a voltage stabilizing branch;
the heating branch comprises: a power resistor R4 and a switch tube V2; one end of the power resistor R4 is connected with the cathode of the solar panel, and the other end of the power resistor R4 is connected with the collector of the switch tube V2; the base electrode of the switching tube V2 is connected with the voltage stabilizing branch, and the emitter electrode of the switching tube V2 is connected with the anode of the solar panel;
the voltage stabilizing branch comprises: a current limiting resistor R5, a voltage dividing resistor R6 and a voltage stabilizing diode D2; one end of the current-limiting resistor R5 is connected with the negative electrode of the voltage-stabilizing diode D2, and the other end of the current-limiting resistor R5 is connected with the base electrode of the switching tube V2 and the connecting end of the voltage-dividing resistor R6; the anode of the voltage stabilizing diode D2 is connected with the cathode of the solar panel; the other end of the divider resistor R6 is connected with the anode of the solar panel.
Based on the two realization modes of the PNP tube or the NPN tube adopted by the switch tube; the voltage stabilizing tube diode and the switch tube form a circuit for tracking the maximum power point of the solar energy, so that the switch tube is cut off when the voltage is lower than the maximum power point voltage, and is opened for heating when the voltage is higher than the maximum power point voltage. Adopt the utility model discloses technical scheme's heating circuit realizes having the heating simultaneously and can carry out the function that solar cell maximum power point voltage trailed with minimum components and parts.
The utility model discloses a second embodiment relates to an aluminium base board, as shown in fig. 4, this aluminium base board includes: a heating circuit as described above.
The third embodiment of the present invention relates to a battery pack, as shown in fig. 5, the battery pack includes: the aluminum substrate described above.
The fourth embodiment of the present invention relates to a solar cell, as shown in fig. 6, the solar cell includes: a battery pack as described above.
The utility model adopts a simple circuit, realizes the tracking of the maximum power point of solar energy, and ensures that the output of the solar cell panel is used for heating the cell at the maximum power; and the heating circuit has low cost.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A heating circuit, comprising: a heating branch and a voltage stabilizing branch;
the voltage stabilizing branch is used for receiving heating starting voltage sent by the solar panel and sending a starting signal to the heating branch;
the heating branch is used for starting and heating the solar cell panel according to the starting signal;
wherein the starting signal of the heating branch circuit is determined by the maximum power point voltage of the solar panel.
2. The heating circuit of claim 1, wherein the heating branch comprises: a power resistor R1 and a switch tube V1; one end of the power resistor R1 is connected with the anode of the solar panel, and the other end of the power resistor R1 is connected with the collector of the switch tube V1; the base electrode of the switch tube V1 is connected with the voltage-stabilizing branch, and the emitter electrode of the switch tube V1 is connected with the cathode of the solar panel.
3. The heating circuit of claim 2, wherein the voltage regulation branch comprises: a current limiting resistor R2, a voltage dividing resistor R3 and a voltage stabilizing diode D1;
one end of the current-limiting resistor R2 is connected with the anode of the voltage-stabilizing diode D1, and the other end of the current-limiting resistor R2 is connected with the base of the switch tube V1 and the connecting end of the voltage-dividing resistor R3; the cathode of the voltage stabilizing diode D1 is connected with the anode of the solar panel; the other end of the voltage division resistor R3 is connected with the cathode of the solar cell panel.
4. The heating circuit as claimed in claim 3, wherein the switching tube V1 is an NPN tube.
5. The heating circuit of claim 1, wherein the heating branch comprises: a power resistor R4 and a switch tube V2;
one end of the power resistor R4 is connected with the cathode of the solar panel, and the other end of the power resistor R4 is connected with the collector of the switch tube V2; the base electrode of the switch tube V2 is connected with the voltage-stabilizing branch, and the emitter electrode of the switch tube V2 is connected with the anode of the solar panel.
6. The heating circuit of claim 4, wherein the voltage regulation branch comprises: a current limiting resistor R5, a voltage dividing resistor R6 and a voltage stabilizing diode D2;
one end of the current-limiting resistor R5 is connected with the negative electrode of the voltage-stabilizing diode D2, and the other end of the current-limiting resistor R5 is connected with the base electrode of the switching tube V2 and the connecting end of the voltage-dividing resistor R6; the anode of the voltage stabilizing diode D2 is connected with the cathode of the solar panel; the other end of the divider resistor R6 is connected with the anode of the solar panel.
7. The heating circuit of claim 6, wherein the switching tube V2 is a PNP tube.
8. An aluminum substrate, comprising: a heating circuit as claimed in any one of claims 1 to 5.
9. A battery pack, comprising: the aluminum substrate of claim 6.
10. A solar cell, the solar cell comprising: the battery pack according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301041.9U CN210111001U (en) | 2019-08-12 | 2019-08-12 | Heating circuit, aluminum substrate with same, battery pack and solar battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301041.9U CN210111001U (en) | 2019-08-12 | 2019-08-12 | Heating circuit, aluminum substrate with same, battery pack and solar battery |
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| Publication Number | Publication Date |
|---|---|
| CN210111001U true CN210111001U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921301041.9U Active CN210111001U (en) | 2019-08-12 | 2019-08-12 | Heating circuit, aluminum substrate with same, battery pack and solar battery |
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| CN (1) | CN210111001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864291A (en) * | 2020-08-03 | 2020-10-30 | 普联技术有限公司 | Control method and device for lithium battery auxiliary heating system |
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2019
- 2019-08-12 CN CN201921301041.9U patent/CN210111001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111864291A (en) * | 2020-08-03 | 2020-10-30 | 普联技术有限公司 | Control method and device for lithium battery auxiliary heating system |
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