CN203911503U - Charging circuit and air conditioner - Google Patents
Charging circuit and air conditioner Download PDFInfo
- Publication number
- CN203911503U CN203911503U CN201320829907.XU CN201320829907U CN203911503U CN 203911503 U CN203911503 U CN 203911503U CN 201320829907 U CN201320829907 U CN 201320829907U CN 203911503 U CN203911503 U CN 203911503U
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- chip
- radio frequency
- radiofrequency signal
- control
- control command
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- 238000007600 charging Methods 0.000 title claims abstract description 58
- 238000001514 detection method Methods 0.000 claims description 25
- 238000000034 method Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a charging circuit and an air conditioner having the charging circuit. The charging circuit comprises an RF transmitter module for generating an RF signal, a receiving coil for receiving the RF signal and an EEPROM chip for converting the RF signal into analog voltage. An RF end of the EEPROM chip is connected to the receiving coil; a positive output end of the analog voltage is connected to the anode of a charging battery; a negative output end of the analog voltage is connected to the cathode of the charging battery; and the EEPROM chip converts the RF signal received by the receiving coil into the analog voltage, and then outputs to the two ends of the charging battery. According to the utility model, the production cost of wireless charging products is reduced.
Description
Technical field
The utility model relates to charging technique field, particularly a kind of charging circuit and air conditioner.
Background technology
As everyone knows, the wireless charging standard of main flow has three kinds at present: WPC standard, PMA standard and A4WP standard.Major way is all to adopt special built-in control chip and module (template) wireless signal emission of transmitting coil, and then realizes wireless charging function by special built-in reception of wireless signals coil and process chip receiver module (card).Its defect is, cost is higher, is unfavorable for the universal of product.
Utility model content
Main purpose of the present utility model is to provide a kind of wireless charging circuit, is intended to reduce the production cost of wireless charging product.
To achieve these goals, the utility model provides a kind of charging circuit, and described charging circuit comprises for generation of the RF radiofrequency emitting module of RF radiofrequency signal, for receiving the receiving coil of described RF radiofrequency signal and for RF radiofrequency signal being converted to the eeprom chip of analog voltage; Wherein, the RF end of described eeprom chip is connected with described receiving coil, and analog voltage positive output end is connected with the positive pole of rechargeable battery, and analog voltage negative output terminal is connected with the negative pole of rechargeable battery; The RF radiofrequency signal that described eeprom chip receives described receiving coil is converted to after analog voltage, exports rechargeable battery two ends to.
Preferably, described RF radiofrequency emitting module comprises control chip, RF radio frequency chip, transceiver circuit and transmitting coil, wherein said control chip is connected with described RF radio frequency chip, and outputs control signals to described RF radio frequency chip, to control described RF radio frequency chip output RF radiofrequency signal; Described transceiver circuit is connected with described RF radio frequency chip and transmitting coil respectively, and described transceiver circuit receives described RF radiofrequency signal, and described RF radiofrequency signal is sent to described receiving coil by described transmitting coil.
Preferably, described control chip is single-chip microcomputer.
Preferably, described charging circuit also comprises the voltage detection module for detection of described charged battery voltage, described voltage detection module is connected with described eeprom chip, described voltage detection module is according to the magnitude of voltage that described rechargeable battery detected, output control command, to described eeprom chip, is charged to described rechargeable battery start/stop to control described eeprom chip.
Preferably, described eeprom chip receives after described control command, and described control command is sent to described transmitting coil by described receiving coil; The control command that described transceiver circuit receives described transmitting coil exports described RF radio frequency chip to; Described RF radio frequency chip receives described control command, and export described control command to described control chip, described control chip outputs control signals to described RF radio frequency chip according to described control command, to control described RF radio frequency chip start/stop output RF radiofrequency signal.
The utility model also provides a kind of air conditioner, described air conditioner comprises charging circuit, and described charging circuit comprises for generation of the RF radiofrequency emitting module of RF radiofrequency signal, for receiving the receiving coil of described RF radiofrequency signal and for RF radiofrequency signal being converted to the eeprom chip of analog voltage; The RF end of wherein said eeprom chip is connected with described receiving coil, analog voltage positive output end is connected with the positive pole of rechargeable battery, analog voltage negative output terminal is connected with the negative pole of rechargeable battery, the RF radiofrequency signal that described eeprom chip receives described receiving coil is converted to after analog voltage, exports rechargeable battery two ends to.
Preferably, described RF radiofrequency emitting module comprises control chip, RF radio frequency chip, transceiver circuit and transmitting coil, wherein said control chip is connected with described RF radio frequency chip, and outputs control signals to described RF radio frequency chip, to control described RF radio frequency chip output RF radiofrequency signal; Described transceiver circuit is connected with described RF radio frequency chip and transmitting coil respectively, and described transceiver circuit receives described RF radiofrequency signal, and described RF radiofrequency signal is sent to described receiving coil by described transmitting coil.
Preferably, described control chip is single-chip microcomputer.
Preferably, described charging circuit also comprises the voltage detection module for detection of described charged battery voltage, described voltage detection module is connected with described eeprom chip, described voltage detection module is according to the magnitude of voltage that described rechargeable battery detected, output control command, to described eeprom chip, is charged to described rechargeable battery start/stop to control described eeprom chip.
Preferably, described eeprom chip receives after described control command, and described control command is sent to described transmitting coil by described receiving coil; The control command that described transceiver circuit receives described transmitting coil exports described RF radio frequency chip to; Described RF radio frequency chip receives described control command, and export described control command to described control chip, described control chip outputs control signals to described RF radio frequency chip according to described control command, to control described RF radio frequency chip start/stop output RF radiofrequency signal.
The utility model is by arranging RF radiofrequency emitting module transmitting RF radiofrequency signal, and by being set, receiving coil receives RF radiofrequency signal, by eeprom chip, the RF radiofrequency signal receiving is converted to analog voltage, and exports the two ends of rechargeable battery to, thereby realize wireless charging.Because the utility model adopts eeprom chip, RF radiofrequency signal is converted to analog voltage, to realize wireless charging, has therefore reduced the production cost of wireless charging product.
Brief description of the drawings
Fig. 1 is the electrical block diagram of the utility model charging circuit preferred embodiment.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of charging circuit.
With reference to Fig. 1, Fig. 1 is the electrical block diagram of the utility model charging circuit preferred embodiment.The charging circuit that the present embodiment provides comprises for generation of the RF radiofrequency emitting module 10 of RF radiofrequency signal, for receiving the receiving coil 20 of described RF radiofrequency signal and for RF radiofrequency signal being converted to the eeprom chip 30 of analog voltage; The RF end of wherein said eeprom chip 30 is connected with described receiving coil 20, analog voltage positive output end is connected with the positive pole of rechargeable battery 40, analog voltage negative output terminal is connected with the negative pole of rechargeable battery 40, the RF radiofrequency signal that described eeprom chip 30 receives described receiving coil 20 is converted to after analog voltage, exports rechargeable battery 40 two ends to.
In the present embodiment, above-mentioned RF end on eeprom chip for carrying out the two pins of RF radiofrequency signal communication, wherein a pin is connected with one end of receiving coil 20, another pin is connected with the other end of receiving coil 20.
Particularly, when work, first RF radiofrequency emitting module 10 is powered on, export RF radiofrequency signal by RF radiofrequency emitting module 10.Then receive RF radiofrequency signal by receiving coil 20, and the RF radiofrequency signal receiving is exported to the RF end of eeprom chip, undertaken after energy acquisition by eeprom chip, be converted into direct voltage and electric current, and export the two ends of rechargeable battery 40 to through analog voltage positive output end and analog voltage negative output terminal, thereby realize wireless charging.
The utility model is by arranging RF radiofrequency emitting module 10 transmitting RF radiofrequency signals, and by being set, receiving coil 20 receives RF radiofrequency signal, by eeprom chip, the RF radiofrequency signal receiving is converted to analog voltage, and exports the two ends of rechargeable battery 40 to, thereby realize wireless charging.Because the utility model adopts eeprom chip, RF radiofrequency signal is converted to analog voltage, to realize wireless charging, has therefore reduced the production cost of wireless charging product.
Particularly, above-mentioned RF radiofrequency emitting module 10 comprises control chip 11, RF radio frequency chip 12, transceiver circuit 13 and transmitting coil 14, wherein said control chip 11 is connected with described RF radio frequency chip 12, and output control signals to described RF radio frequency chip 12, export RF radiofrequency signal to control described RF radio frequency chip 12; Described transceiver circuit 13 is connected with described RF radio frequency chip 12 and transmitting coil 14 respectively, and described transceiver circuit 13 receives described RF radiofrequency signal, and described RF radiofrequency signal is sent to described receiving coil 20 by described transmitting coil 14.
It should be noted that above-mentioned control chip 11 can arrange according to actual needs, in the present embodiment, control chip 11 is preferably single-chip microcomputer.
Particularly, above-mentioned control chip 11 can carry out communication with RF radio frequency chip 12, and outputs control signals to RF radio frequency chip 12, exports RF radiofrequency signal to control RF radio frequency chip 12.The RF radiofrequency signal that RF radio frequency chip 12 is exported transfers to transmitting coil 14 by transceiver circuit 13, is coupled, thereby RF radiofrequency signal is sent to receiving coil 20 by transmitting coil 14 and receiving coil 20.
Further, based on above-described embodiment, in the present embodiment, above-mentioned charging circuit also comprises the voltage detection module 50 for detection of described rechargeable battery 40 voltages, described voltage detection module 50 is connected with described eeprom chip 30, described voltage detection module 50 is according to the magnitude of voltage that described rechargeable battery 40 detected, and output control command is to described eeprom chip 30, to control described eeprom chip 30 to described rechargeable battery 40 start/stop chargings.
Particularly, above-mentioned eeprom chip 30 can be by controlling the charged state of the analog voltage output of eeprom chip 30 and the connection status control rechargeable battery 40 of rechargeable battery 40; Also can whether export RF radiofrequency signal by controlling RF radio frequency chip 12, thereby control the charged state of rechargeable battery 40.
Preferably, described eeprom chip 30 receives after described control command, and described control command is sent to described transmitting coil 14 by described receiving coil 20; The control command that described transceiver circuit 13 receives described transmitting coil 14 exports described RF radio frequency chip 12 to; Described RF radio frequency chip 12 receives described control command, and export described control command to described control chip 11, described control chip 11 outputs control signals to described RF radio frequency chip 12 according to described control command, to control described RF radio frequency chip 12 start/stop output RF radiofrequency signals.
Particularly, in the time that control chip 11 is controlled RF radio frequency chip 12 transmitting RF radiofrequency signal, can control transceiver circuit 13 and transmitting coil 14 receives RF radiofrequency signal at interval of preset time period.In the time that above-mentioned voltage detection module 50 detects that the voltage at rechargeable battery 40 two ends is greater than the first preset value, voltage detection module 50 outputs stop charging instruction to eeprom chip 30, and eeprom chip 30 stops this charging instruction by receiving coil 20 and emits.And in the time that the reception RF radiofrequency signal time period of transceiver circuit 13 and transmitting coil 14 arrives, transceiver circuit 13 and transmitting coil 14 will receive the charging instruction that stops that receiving coil 20 sends, and this is stopped to charging instruction and exports RF radio frequency chip 12 to, by RF radio frequency chip 12, this is stopped to charging instruction and exports control chip 11 to, control chip 11 will stop charging instruction and output control signals to RF radio frequency chip 12 according to this, stop exporting RF radiofrequency signal to control RF radio frequency chip.
In the time that above-mentioned voltage detection module 50 detects that the voltage at rechargeable battery 40 two ends is less than the second preset value, voltage detection module 50 output starts charging instruction to eeprom chip 30, and eeprom chip 30 starts this charging instruction and exports transceiver circuit 13 to by receiving coil 20 and the coupling of transmitting coil 14; Transceiver circuit 13 transceiver circuits 13 export the beginning charging instruction receiving to RF radio frequency chip 12, by RF radio frequency chip 12, this is started to charging instruction and exports control chip 11 to, control chip 11 will start charging instruction and output control signals to RF radio frequency chip 12 according to this, start to export RF radiofrequency signal to control RF radio frequency chip.
In the present embodiment, detect the voltage at rechargeable battery 40 two ends by voltage detection module 50 is set, and according to the Voltage-output control command detecting to eeprom chip 30, thereby realized the charged state of automatic control rechargeable battery 40.
The utility model also provides a kind of air conditioner, and this air conditioner comprises charging circuit, and the structure of this charging circuit can, with reference to above-described embodiment, not repeat them here.Naturally, because the air conditioner of the present embodiment has adopted the technical scheme of above-mentioned charging circuit, therefore this air conditioner has all beneficial effects of above-mentioned charging circuit.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a charging circuit, is characterized in that, comprises for generation of the RF radiofrequency emitting module of RF radiofrequency signal, for receiving the receiving coil of described RF radiofrequency signal and for RF radiofrequency signal being converted to the eeprom chip of analog voltage; Wherein, the RF end of described eeprom chip is connected with described receiving coil, and analog voltage positive output end is connected with the positive pole of rechargeable battery, and analog voltage negative output terminal is connected with the negative pole of rechargeable battery; The RF radiofrequency signal that described eeprom chip receives described receiving coil is converted to after analog voltage, exports rechargeable battery two ends to.
2. charging circuit as claimed in claim 1, it is characterized in that, described RF radiofrequency emitting module comprises control chip, RF radio frequency chip, transceiver circuit and transmitting coil, wherein, described control chip is connected with described RF radio frequency chip, and output control signals to described RF radio frequency chip, to control described RF radio frequency chip output RF radiofrequency signal; Described transceiver circuit is connected with described RF radio frequency chip and transmitting coil respectively; Described transceiver circuit receives described RF radiofrequency signal, and described RF radiofrequency signal is sent to described receiving coil by described transmitting coil.
3. charging circuit as claimed in claim 2, is characterized in that, described control chip is single-chip microcomputer.
4. charging circuit as claimed in claim 2, is characterized in that, described charging circuit also comprises the voltage detection module for detection of described charged battery voltage, and described voltage detection module is connected with described eeprom chip; Described voltage detection module is according to the magnitude of voltage that described rechargeable battery detected, and output control command, to described eeprom chip, is charged to described rechargeable battery start/stop to control described eeprom chip.
5. charging circuit as claimed in claim 4, is characterized in that, described eeprom chip receives after described control command, and described control command is sent to described transmitting coil by described receiving coil; The control command that described transceiver circuit receives described transmitting coil exports described RF radio frequency chip to; Described RF radio frequency chip receives described control command, and exports described control command to described control chip; Described control chip outputs control signals to described RF radio frequency chip according to described control command, to control described RF radio frequency chip start/stop output RF radiofrequency signal.
6. an air conditioner, it is characterized in that, comprise charging circuit, described charging circuit comprises for generation of the RF radiofrequency emitting module of RF radiofrequency signal, for receiving the receiving coil of described RF radiofrequency signal and for RF radiofrequency signal being converted to the eeprom chip of analog voltage; Wherein, the RF end of described eeprom chip is connected with described receiving coil, and analog voltage positive output end is connected with the positive pole of rechargeable battery, and analog voltage negative output terminal is connected with the negative pole of rechargeable battery; The RF radiofrequency signal that described eeprom chip receives described receiving coil is converted to after analog voltage, exports rechargeable battery two ends to.
7. air conditioner as claimed in claim 6, it is characterized in that, described RF radiofrequency emitting module comprises control chip, RF radio frequency chip, transceiver circuit and transmitting coil, wherein, described control chip is connected with described RF radio frequency chip, and output control signals to described RF radio frequency chip, to control described RF radio frequency chip output RF radiofrequency signal; Described transceiver circuit is connected with described RF radio frequency chip and transmitting coil respectively; Described transceiver circuit receives described RF radiofrequency signal, and described RF radiofrequency signal is sent to described receiving coil by described transmitting coil.
8. air conditioner as claimed in claim 7, is characterized in that, described control chip is single-chip microcomputer.
9. air conditioner as claimed in claim 7, is characterized in that, described charging circuit also comprises the voltage detection module for detection of described charged battery voltage, and described voltage detection module is connected with described eeprom chip; Described voltage detection module is according to the magnitude of voltage that described rechargeable battery detected, and output control command, to described eeprom chip, is charged to described rechargeable battery start/stop to control described eeprom chip.
10. air conditioner as claimed in claim 9, is characterized in that, described eeprom chip receives after described control command, and described control command is sent to described transmitting coil by described receiving coil; The control command that described transceiver circuit receives described transmitting coil exports described RF radio frequency chip to; Described RF radio frequency chip receives described control command, and exports described control command to described control chip; Described control chip outputs control signals to described RF radio frequency chip according to described control command, to control described RF radio frequency chip start/stop output RF radiofrequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320829907.XU CN203911503U (en) | 2013-12-12 | 2013-12-12 | Charging circuit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320829907.XU CN203911503U (en) | 2013-12-12 | 2013-12-12 | Charging circuit and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911503U true CN203911503U (en) | 2014-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320829907.XU Expired - Lifetime CN203911503U (en) | 2013-12-12 | 2013-12-12 | Charging circuit and air conditioner |
Country Status (1)
| Country | Link |
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| CN (1) | CN203911503U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994745A (en) * | 2019-12-27 | 2020-04-10 | 江苏艾伦摩尔微电子科技有限公司 | Pulse method wireless charging circuit |
-
2013
- 2013-12-12 CN CN201320829907.XU patent/CN203911503U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110994745A (en) * | 2019-12-27 | 2020-04-10 | 江苏艾伦摩尔微电子科技有限公司 | Pulse method wireless charging circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |