CN203027027U - Energy source collecting device - Google Patents
Energy source collecting device Download PDFInfo
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- CN203027027U CN203027027U CN 201320007934 CN201320007934U CN203027027U CN 203027027 U CN203027027 U CN 203027027U CN 201320007934 CN201320007934 CN 201320007934 CN 201320007934 U CN201320007934 U CN 201320007934U CN 203027027 U CN203027027 U CN 203027027U
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Abstract
The utility model relates to the technical field of energy source collection, and particularly relates to an energy source collecting device after discharge of capacitance of a power electronic bus. The energy source collecting device comprises an air-conditioner power supply module, a connector, an energy storage module and a load, wherein one end of the connector is connected with the air-conditioner power supply module; the other end is connected with the energy storage module; the energy storage module is connected to the load; the air-conditioner power supply module comprises a PFC (positive feedback circuit) capacitor; the air-conditioner power supply module is used for converting the charge stored on the PFC capacitor after power failure into the energy storage module; the energy storage module provides electric energy to the load; and the energy storage module is arranged outside the air-conditioner power supply module. The energy source collecting device can rapidly reduce the residual voltage on the bus capacitor, and can provide the collected energy source to the load such as a doorbell, a radio telephone, a non-power flashlight, a sound box, an electronic toy, an electric hot water bottle, a hearing aid and the like at the same time.
Description
Technical field
The utility model relates to the energy collection technical field, more specifically, relates to the energy collection device after the discharge of power electronics bus capacitor.
Background technology
Power grade and the power density of large-scale power electronic equipment are more and more higher, and be also more and more stricter to the safety requirement of power electronics.After this just required the power electronic equipment dump, on equipment, residual voltage at the appointed time can not be higher than safe voltage.Above-mentioned safety generally satisfies by corresponding discharge circuit.Along with the increase of bus capacitor appearance value, the busbar voltage amplitude improves constantly, for satisfying above-mentioned safety requirement.The power of discharge circuit consumption is constantly accumulated.When consuming these energy, not only for system increases thermal source, increase burden for the heat dissipation design of machine system, and cause the waste of the energy.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of energy collecting device of bus capacitor, both residual voltage on bus capacitor be can reduce fast, doorbell, radio telephone, non-transformer flashlight, sound equipment, electronic toy, radio telephone, electric hot water bottle and hearing aids even load the energy of collecting can be offered simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of energy collection device, comprising: air conditioner power source module, connector, energy storage module and load, connector one end is connected with the air conditioner power source module, and the other end is connected with energy storage module; Energy storage module connects load, and described air conditioner power source module comprises PFC electric capacity, and the electric charge that the air conditioner power source module is present on PFC electric capacity after being used for cutting off the power supply is transformed into energy storage module through connector; Described energy storage module provides electric energy for load, and energy storage module is located at the air conditioner power source module-external.Described load is wherein one or more of doorbell, radio telephone, non-transformer flashlight, sound equipment, electronic toy, electric hot water bottle, hearing aids.Circuit by self after energy storage module acquisition energy provides electric energy for load.
Further, the described air conditioner power source module part that is the air-conditioner outdoor unit control board; The air conditioner power source module also comprises rectification circuit, PFC reactor, switching power circuit, VCC2, second switch and the air-conditioning load that connects successively; PFC electric capacity one end connects PFC reactor, other end connecting valve power circuit; The air conditioner power source module also comprises the first switch and other loads, and the first switch one end is connected with other loads, and the other end is connected with PFC electric capacity.As input L, after the N end disconnects, open the first switch and second switch, disconnect air-conditioning load and other loads, air-conditioning still has very large residual voltage after outage, the electric charge that also will be stored on PFC electric capacity after cutting off the power supply by the air conditioner power source module of air-conditioning own is changed to external energy storage module via connector, then provides electric energy to load.
Further, described energy storage module comprises that energy storage module charging circuit, energy storage module detect booster circuit and energy storage module voltage stabilizing circuit.
described energy storage module charging circuit comprises triode V101, resistance R 101, resistance R 102, slide rheostat RW101, triode V102, resistance R 103, resistance R 104, triode V103, capacitor C 101, capacitor C 102, resistance R 105, resistance R 106, resistance R 107, resistance R 108, resistance R 109, resistance R 110, resistance R 111, charging indicator light V104, comparator N101, resistance R 112, resistance R 113, slide rheostat RW102 and connector X101, the base stage of triode V101 connects the P101 mouth of MCU, and emitter-base bandgap grading connects 1 of slide rheostat RW101, 2 ends, collector electrode contact resistance R101, resistance R 102, resistance R 101 other ends connect Vcc, resistance R 102 other ends connect 3 ends of slide rheostat RW101, the base stage of the 3 end connecting triode V102 of slide rheostat RW101, collector electrode connects Vcc, the end of emitter-base bandgap grading contact resistance R103, the end of the other end contact resistance R104 of resistance R 103, resistance R 104 other end ground connection, the non-ground-end of triode V103 base stage contact resistance R104, triode V103 emitter-base bandgap grading connects the positive pole of capacitor C 101, one end of triode V103 collector electrode while connecting resistance R106 and resistance R 107, an other termination Vcc of resistance R 106, an other terminating resistor R108 of resistance R 107, one end of resistance R 109, an other end ground connection of resistance R 108, an other terminating resistor R111 of resistance R 109, an other end ground connection of resistance R 111, the non-ground-end of one terminating resistor R111 of resistance R 110, the negative electrode of an other termination charging indicator light V104 of resistance R 110, charging indicator light V104 anode connects 1 pin of comparator N101, the non-ground-end of the 2 pin connecting resistance R109 of comparator N101, the end of the 3 pin connecting resistance R105 of comparator N101, an other termination Vcc of resistance R 105, the 4 pin ground connection of comparator N101,5 pin of comparator N101 connect the P103 mouth, 6 pin of comparator N101 connect 2 pin of slide rheostat RW102,1 of slide rheostat RW102, 1 of 3 pin difference connecting connector X101, 2 pin, connector X101 connector, the end of the 7 pin connecting resistance R112 of comparator N101, the P102 mouth of an other termination MCU of resistance R 112, resistance R 113 1 end ground connection, the P102 mouth of an other termination MCU, after capacitor C 101 and capacitor C 102 are in parallel, positive pole connects the P103 mouth, minus earth, P103 mouth connect energy storage module and detect booster circuit.Described capacitor C 101 and capacitor C 102 are the super capacitor of energy energy storage.After connecting, target voltage under the low state of super capacitor voltage, is regulated suitable charging voltage to capacitor C 101, capacitor C 102 charging accumulation of energys via slide rheostat RW102.Charging indicator light V104 lights in the indication charging process.Slide rheostat RW101 can change charging current, charging indicator light V104 automatic distinguishing after charging is completed.
described energy storage module detects booster circuit and comprises inductance L 201, diode V201, capacitor C 201, capacitor C 202, boosted switch power supply B201, slide rheostat RW201, comparator N201, resistance R 201, resistance R 202, resistance R 203 and resistance R 204, inductance L 201 1 ends are connected to the P201 mouth of MCU, the other end is connected to diode V201 anode, 3 ends of boosted switch power supply B201 are connected to diode V201 anode, 2 ends of boosted switch power supply B201 are connected to diode V201 negative electrode, the 1 end ground connection of boosted switch power supply B201, after capacitor C 201 is in parallel with capacitor C 202, positive pole connects diode V201 negative electrode, minus earth, the 1 end ground connection of slide rheostat RW201, 4 pin of 2 termination comparator N201, 3 termination Vcc, the 1 pin connecting resistance R203 of comparator N201, ground connection after resistance R 204 and resistance R 203 series connection, the non-ground-end of the P201 mouth connecting resistance R204 of MCU, the 2 pin ground connection of comparator N201, 3 pin of comparator N201 connect resistance R 201 and resistance R 202 simultaneously, the other end of resistance R 201 and resistance R 202 connects respectively diode V201 negative electrode and ground, 6 pin of comparator N201 meet Vcc, the P202 mouth connects the P103 mouth.Also be provided with the buzzing alarm structure in the energy collection device.For load provides the energy, simultaneously device is carried out low-voltage and detects after after 102 chargings of capacitor C 101, capacitor C are completed, energy storage module detects booster circuit and carries out filtering and boost, when voltage low to limit value with regard to the buzzing alarm structure prompting device is charged.
described energy storage module voltage stabilizing circuit comprises resistance R 301, resistance R 302, triode V301, triode V302, triode V303 and diode V304, the other end ground connection of resistance R 301 after resistance R 301 and resistance R 302 series connection, the negative electrode of the other terminating diode V201 of resistance R 302, triode V301 base stage connecting resistance R301 non-ground-end, collector electrode connects the negative electrode of diode V201, emitter-base bandgap grading connects triode V302 base stage, triode V302 collector electrode connects the negative electrode of diode V201, emitter-base bandgap grading connects triode V303 base stage, triode V303 collector electrode connects the negative electrode of diode V201, emitter-base bandgap grading connects diode V304 anode, diode V304 negative electrode connects load.The voltage that the energy storage module voltage stabilizing circuit can effectively produce energy storage module detection booster circuit carries out the voltage stabilizing adjustment, for load provides stable voltage.
Described air-conditioning is PFC strategy Modulating Power factor convertible frequency air-conditioner.
Compared with prior art, beneficial effect is: the utility model mainly provides a kind of energy collecting device of bus capacitor, both residual voltage on bus capacitor be can reduce fast, doorbell, radio telephone, non-transformer flashlight, sound equipment, electronic toy, radio telephone, electric hot water bottle and hearing aids even load the energy of collecting can be offered simultaneously.
Description of drawings
Fig. 1 is integral module structural representation of the present utility model.
Fig. 2 is energy storage module charging circuit schematic diagram of the present utility model.
Fig. 3 is that energy storage module of the present utility model detects booster circuit and energy storage module voltage stabilizing circuit schematic diagram.
Embodiment
As Figure 1-3, a kind of energy collection device, comprising: air conditioner power source module, connector, energy storage module and load, connector one end is connected with the air conditioner power source module, and the other end is connected with energy storage module; Energy storage module connects load, and described air conditioner power source module comprises PFC electric capacity, and the electric charge that the air conditioner power source module is present on PFC electric capacity after being used for cutting off the power supply is transformed into energy storage module through connector; Described energy storage module provides electric energy for load, and energy storage module is located at the air conditioner power source module-external.Described load is wherein one or more of doorbell, radio telephone, non-transformer flashlight, sound equipment, electronic toy, electric hot water bottle, hearing aids.Circuit by self after energy storage module acquisition energy provides electric energy for load.
Further, the described air conditioner power source module part that is the air-conditioner outdoor unit control board; The air conditioner power source module also comprises rectification circuit, PFC reactor, switching power circuit, VCC2, second switch and the air-conditioning load that connects successively; PFC electric capacity one end connects PFC reactor, other end connecting valve power circuit; The air conditioner power source module also comprises the first switch and other loads, and the first switch one end is connected with other loads, and the other end is connected with PFC electric capacity.As input L, after the N end disconnects, open the first switch and second switch, disconnect air-conditioning load and other loads, air-conditioning still has very large residual voltage after outage, the electric charge that also will be stored on PFC electric capacity after cutting off the power supply by the air conditioner power source module of air-conditioning own is changed to external energy storage module via connector, then provides electric energy to load.
Further, described energy storage module comprises that energy storage module charging circuit, energy storage module detect booster circuit 1 and energy storage module voltage stabilizing circuit 2.
be illustrated in figure 2 as the energy storage module charging circuit, the energy storage module charging circuit comprises triode V101, resistance R 101, resistance R 102, slide rheostat RW101, triode V102, resistance R 103, resistance R 104, triode V103, capacitor C 101, capacitor C 102, resistance R 105, resistance R 106, resistance R 107, resistance R 108, resistance R 109, resistance R 110, resistance R 111, charging indicator light V104, comparator N101, resistance R 112, resistance R 113, slide rheostat RW102 and connector X101, the base stage of triode V101 connects the P101 mouth of MCU, and emitter-base bandgap grading connects 1 of slide rheostat RW101, 2 ends, collector electrode contact resistance R101, resistance R 102, resistance R 101 other ends connect Vcc, resistance R 102 other ends connect 3 ends of slide rheostat RW101, the base stage of the 3 end connecting triode V102 of slide rheostat RW101, collector electrode connects Vcc, the end of emitter-base bandgap grading contact resistance R103, the end of the other end contact resistance R104 of resistance R 103, resistance R 104 other end ground connection, the non-ground-end of triode V103 base stage contact resistance R104, triode V103 emitter-base bandgap grading connects the positive pole of capacitor C 101, one end of triode V103 collector electrode while connecting resistance R106 and resistance R 107, an other termination Vcc of resistance R 106, an other terminating resistor R108 of resistance R 107, one end of resistance R 109, an other end ground connection of resistance R 108, an other terminating resistor R111 of resistance R 109, an other end ground connection of resistance R 111, the non-ground-end of one terminating resistor R111 of resistance R 110, the negative electrode of an other termination charging indicator light V104 of resistance R 110, charging indicator light V104 anode connects 1 pin of comparator N101, the non-ground-end of the 2 pin connecting resistance R109 of comparator N101, the end of the 3 pin connecting resistance R105 of comparator N101, an other termination Vcc of resistance R 105, the 4 pin ground connection of comparator N101,5 pin of comparator N101 connect the P103 mouth, 6 pin of comparator N101 connect 2 pin of slide rheostat RW102,1 of slide rheostat RW102, 1 of 3 pin difference connecting connector X101, 2 pin, connector X101 connector, the end of the 7 pin connecting resistance R112 of comparator N101, the P102 mouth of an other termination MCU of resistance R 112, resistance R 113 1 end ground connection, the P102 mouth of an other termination MCU, after capacitor C 101 and capacitor C 102 are in parallel, positive pole connects the P103 mouth, minus earth, P103 mouth are connected to the P202 mouth of energy storage module detection booster circuit 1 in Fig. 3.Described capacitor C 101 and capacitor C 102 are the super capacitor of energy energy storage.After connecting, target voltage under the low state of super capacitor voltage, is regulated suitable charging voltage to capacitor C 101, capacitor C 102 charging accumulation of energys via slide rheostat RW102.Charging indicator light V104 lights in the indication charging process.Slide rheostat RW101 can change charging current, charging indicator light V104 automatic distinguishing after charging is completed.
as shown in Figure 3, for energy storage module detects booster circuit 1 and energy storage module voltage stabilizing circuit 2, energy storage module detects booster circuit 1 and comprises inductance L 201, diode V201, capacitor C 201, capacitor C 202, boosted switch power supply B201, slide rheostat RW201, comparator N201, resistance R 201, resistance R 202, resistance R 203 and resistance R 204, inductance L 201 1 ends are connected to the P201 mouth of MCU, the other end is connected to diode V201 anode, 3 ends of boosted switch power supply B201 are connected to diode V201 anode, 2 ends of boosted switch power supply B201 are connected to diode V201 negative electrode, the 1 end ground connection of boosted switch power supply B201, after capacitor C 201 is in parallel with capacitor C 202, positive pole connects diode V201 negative electrode, minus earth, the 1 end ground connection of slide rheostat RW201, 4 pin of 2 termination comparator N201, 3 termination Vcc, the 1 pin connecting resistance R203 of comparator N201, ground connection after resistance R 204 and resistance R 203 series connection, the non-ground-end of the P201 mouth connecting resistance R204 of MCU, the 2 pin ground connection of comparator N201, 3 pin of comparator N201 connect resistance R 201 and resistance R 202 simultaneously, the other end of resistance R 201 and resistance R 202 connects respectively diode V201 negative electrode and ground, 6 pin of comparator N201 meet Vcc, the P202 mouth is connected to the P103 mouth of energy storage module charging circuit in Fig. 2.Also be provided with the buzzing alarm structure in the energy collection device.For load provides the energy, simultaneously device is carried out low-voltage and detects after after 102 chargings of capacitor C 101, capacitor C are completed, energy storage module detects booster circuit 1 and carries out filtering and boost, when voltage low to limit value with regard to the buzzing alarm structure prompting device is charged.
energy storage module voltage stabilizing circuit 2 comprises resistance R 301, resistance R 302, triode V301, triode V302, triode V303 and diode V304, the other end ground connection of resistance R 301 after resistance R 301 and resistance R 302 series connection, the negative electrode of the other terminating diode V201 of resistance R 302, triode V301 base stage connecting resistance R301 non-ground-end, collector electrode connects the negative electrode of diode V201, emitter-base bandgap grading connects triode V302 base stage, triode V302 collector electrode connects the negative electrode of diode V201, emitter-base bandgap grading connects triode V303 base stage, triode V303 collector electrode connects the negative electrode of diode V201, emitter-base bandgap grading connects diode V304 anode, diode V304 negative electrode connects load.The voltage that energy storage module voltage stabilizing circuit 2 can effectively produce energy storage module detection booster circuit 1 carries out the voltage stabilizing adjustment, for load provides stable voltage.
Described air-conditioning is PFC strategy Modulating Power factor convertible frequency air-conditioner.
The above is only preferred implementation of the present utility model, should be understood that, for those skilled in the art, under the prerequisite that does not break away from the utility model principle, can do the improvement of some suitable actual conditions to the technical scheme of utility model.Therefore, protection range of the present utility model is not limited to this, and those of skill in the art are any to be included within the utility model protection range based on non-material change on technical solutions of the utility model.
Claims (10)
1. an energy collection device, is characterized in that comprising, air conditioner power source module, connector, energy storage module and load, and connector one end is connected with the air conditioner power source module, and the other end is connected with energy storage module; Energy storage module connects load, and described air conditioner power source module comprises PFC electric capacity, and the electric charge that the air conditioner power source module is present on PFC electric capacity after being used for cutting off the power supply is transformed into energy storage module through connector; Described energy storage module provides electric energy for load, and energy storage module is located at the air conditioner power source module-external.
2. a kind of energy collection device according to claim 1, it is characterized in that: described air conditioner power source module is the part of air-conditioner outdoor unit control board; The air conditioner power source module also comprises rectification circuit, PFC reactor, switching power circuit, VCC2, second switch and the air-conditioning load that connects successively; PFC electric capacity one end connects PFC reactor, other end connecting valve power circuit; The air conditioner power source module also comprises the first switch and other loads, and the first switch one end is connected with other loads, and the other end is connected with PFC electric capacity.
3. a kind of energy collection device according to claim 1 is characterized in that: described energy storage module comprises that energy storage module charging circuit, energy storage module detect booster circuit and energy storage module voltage stabilizing circuit.
4. a kind of energy collection device according to claim 3, it is characterized in that: described energy storage module charging circuit comprises triode V101, resistance R 101, resistance R 102, slide rheostat RW101, triode V102, resistance R 103, resistance R 104, triode V103, capacitor C 101, capacitor C 102, resistance R 105, resistance R 106, resistance R 107, resistance R 108, resistance R 109, resistance R 110, resistance R 111, charging indicator light V104, comparator N101, resistance R 112, resistance R 113, slide rheostat RW102 and connector X101, the base stage of triode V101 connects the P101 mouth of MCU, and emitter-base bandgap grading connects 1 of slide rheostat RW101, 2 ends, collector electrode contact resistance R101, resistance R 102, resistance R 101 other ends connect Vcc, resistance R 102 other ends connect 3 ends of slide rheostat RW101, the base stage of the 3 end connecting triode V102 of slide rheostat RW101, collector electrode connects Vcc, the end of emitter-base bandgap grading contact resistance R103, the end of the other end contact resistance R104 of resistance R 103, resistance R 104 other end ground connection, the non-ground-end of triode V103 base stage contact resistance R104, triode V103 emitter-base bandgap grading connects the positive pole of capacitor C 101, one end of triode V103 collector electrode while connecting resistance R106 and resistance R 107, an other termination Vcc of resistance R 106, an other terminating resistor R108 of resistance R 107, one end of resistance R 109, an other end ground connection of resistance R 108, an other terminating resistor R111 of resistance R 109, an other end ground connection of resistance R 111, the non-ground-end of one terminating resistor R111 of resistance R 110, the negative electrode of an other termination charging indicator light V104 of resistance R 110, charging indicator light V104 anode connects 1 pin of comparator N101, the non-ground-end of the 2 pin connecting resistance R109 of comparator N101, the end of the 3 pin connecting resistance R105 of comparator N101, an other termination Vcc of resistance R 105, the 4 pin ground connection of comparator N101,5 pin of comparator N101 connect the P103 mouth, 6 pin of comparator N101 connect 2 pin of slide rheostat RW102,1 of slide rheostat RW102, 1 of 3 pin difference connecting connector X101, 2 pin, connector X101 connector, the end of the 7 pin connecting resistance R112 of comparator N101, the P102 mouth of an other termination MCU of resistance R 112, resistance R 113 1 end ground connection, the P102 mouth of an other termination MCU, after capacitor C 101 and capacitor C 102 are in parallel, positive pole connects the P103 mouth, minus earth, P103 mouth connect energy storage module and detect booster circuit.
5. a kind of energy collection device according to claim 4, it is characterized in that: described energy storage module detects booster circuit and comprises inductance L 201, diode V201, capacitor C 201, capacitor C 202, boosted switch power supply B201, slide rheostat RW201, comparator N201, resistance R 201, resistance R 202, resistance R 203 and resistance R 204, inductance L 201 1 ends are connected to the P201 mouth of MCU, the other end is connected to diode V201 anode, 3 ends of boosted switch power supply B201 are connected to diode V201 anode, 2 ends of boosted switch power supply B201 are connected to diode V201 negative electrode, the 1 end ground connection of boosted switch power supply B201, after capacitor C 201 is in parallel with capacitor C 202, positive pole connects diode V201 negative electrode, minus earth, the 1 end ground connection of slide rheostat RW201, 4 pin of 2 termination comparator N201, 3 termination Vcc, the 1 pin connecting resistance R203 of comparator N201, ground connection after resistance R 204 and resistance R 203 series connection, the non-ground-end of the P201 mouth connecting resistance R204 of MCU, the 2 pin ground connection of comparator N201, 3 pin of comparator N201 connect resistance R 201 and resistance R 202 simultaneously, the other end of resistance R 201 and resistance R 202 connects respectively diode V201 negative electrode and ground, 6 pin of comparator N201 meet Vcc, the P202 mouth connects the P103 mouth.
6. a kind of energy collection device according to claim 5, it is characterized in that: described energy storage module voltage stabilizing circuit comprises resistance R 301, resistance R 302, triode V301, triode V302, triode V303 and diode V304, the other end ground connection of resistance R 301 after resistance R 301 and resistance R 302 series connection, the negative electrode of the other terminating diode V201 of resistance R 302, triode V301 base stage connecting resistance R301 non-ground-end, collector electrode connects the negative electrode of diode V201, emitter-base bandgap grading connects triode V302 base stage, triode V302 collector electrode connects the negative electrode of diode V201, emitter-base bandgap grading connects triode V303 base stage, triode V303 collector electrode connects the negative electrode of diode V201, emitter-base bandgap grading connects diode V304 anode, diode V304 negative electrode connects load.
7. a kind of energy collection device according to claim 1 is characterized in that: described air-conditioning is PFC strategy Modulating Power factor convertible frequency air-conditioner.
8. a kind of energy collection device according to claim 4 is characterized in that: described capacitor C 101 and capacitor C 102 are super capacitor that can energy storage.
9. a kind of energy collection device according to claim 1 is characterized in that: described load is wherein one or more of doorbell, radio telephone, non-transformer flashlight, sound equipment, electronic toy, electric hot water bottle, hearing aids.
10. a kind of energy collection device according to claim 1, is characterized in that: also be provided with the buzzing alarm structure in the energy collection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007934 CN203027027U (en) | 2013-01-08 | 2013-01-08 | Energy source collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320007934 CN203027027U (en) | 2013-01-08 | 2013-01-08 | Energy source collecting device |
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| Publication Number | Publication Date |
|---|---|
| CN203027027U true CN203027027U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320007934 Expired - Fee Related CN203027027U (en) | 2013-01-08 | 2013-01-08 | Energy source collecting device |
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| CN (1) | CN203027027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078411A (en) * | 2013-01-08 | 2013-05-01 | 海信科龙电器股份有限公司 | Energy source collecting device |
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2013
- 2013-01-08 CN CN 201320007934 patent/CN203027027U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078411A (en) * | 2013-01-08 | 2013-05-01 | 海信科龙电器股份有限公司 | Energy source collecting device |
| CN103078411B (en) * | 2013-01-08 | 2015-04-29 | 海信科龙电器股份有限公司 | Energy source collecting device |
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