CN203026980U - Charging promoting device and rechargeable battery circuit - Google Patents
Charging promoting device and rechargeable battery circuit Download PDFInfo
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- CN203026980U CN203026980U CN 201220684688 CN201220684688U CN203026980U CN 203026980 U CN203026980 U CN 203026980U CN 201220684688 CN201220684688 CN 201220684688 CN 201220684688 U CN201220684688 U CN 201220684688U CN 203026980 U CN203026980 U CN 203026980U
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Abstract
The utility model discloses a charging promoting device. The charging promoting device comprises a switch circuit, a voltage sampling circuit and a control circuit, wherein an input end of the switch circuit is connected with a positive electrode of a rechargeable battery; an output end of the switch circuit is connected with an input end of the voltage sampling circuit; the output end of the switch circuit is connected with an input end of the control circuit; and an output end of the voltage sampling circuit is connected with a control end of the control circuit. The utility model further discloses a rechargeable battery circuit. The rechargeable battery circuit comprises the rechargeable battery and the charging promoting device. According to the charging promoting device and the rechargeable battery circuit, the rechargeable battery is controlled to discharge the voltage sampling circuit and the control circuit according to an electric level state of a switching signal of a whole machine, and input voltage of the rechargeable battery is detected to obtain sampling voltage; and sound-light promoting caution is controlled according to the sampling voltage and a charging promoting function of the rechargeable battery is realized. Meanwhile, the charging promoting device and the rechargeable battery circuit disclosed by the utility model have the advantages of simple and reasonable circuit structure, fewer quantity of commonly-used electronic elements and low cost.
Description
Technical field
The utility model relates to power technique fields, relates in particular to a kind of charge prompting device and rechargeable battery circuit.
Background technology
The secondary cell that existing many electronic equipments and electrical equipment use recharge to use, be commonly called as rechargeable battery or storage battery, such battery variety is a lot, lead-acid battery is arranged, nickel-cadmium cell, Ni-MH battery, lithium ion battery and lithium polymer battery etc., their characteristic is different, but common characteristic is repeated charge to use hundreds of times to 1,000 times.Such battery has a very important characteristic, is exactly to arrive certain degree when battery discharge, and be generally 80%, just need charging timely, otherwise influential to the life-span of battery, if surpass 80% discharge, untimely charging again may cause the number of times that recycles of battery to reduce greatly.In the electronic equipments such as laptop computer, mobile phone, all be added with voltameter, the discharge condition of monitoring battery that can be real-time, and can be on display screen with visual interface display out also can audible alarm when discharging into certain degree, and the prompting user in time charges.If when using rechargeable battery as the TV of ordinary consumption product, also needing has the charge prompting function, if but also use rechargeable battery and the charge prompting function need to be arranged as laptop computer, mobile phone, need so to use special integrated circuit and special battery electric quantity metering algorithm, also increased to a certain extent cost.Therefore need to be simpler, more cheap device solves the problems referred to above.
The utility model content
Main purpose of the present utility model is to propose a kind of charge prompting device and rechargeable battery circuit, is intended to realize the charge prompting function of rechargeable battery, and the simplification device structure, reduces costs.
In order to achieve the above object, the utility model proposes a kind of charge prompting device, this charge prompting device comprises for the switching circuit that receives switch machine signal and the discharge of control rechargeable battery, is used for the voltage sample circuit that the rechargeable battery input voltage is taken a sample and the control circuit that is used for controlling the acousto-optic hint warning; Wherein:
The input of described switching circuit is connected with rechargeable battery is anodal, the output of described switching circuit is connected with the input of described voltage sample circuit, and be connected with the input of described control circuit, the output of described voltage sample circuit is connected with the control end of described control circuit.
Preferably, described switching circuit comprises the first metal-oxide-semiconductor, the second metal-oxide-semiconductor and switch machine signal input part; Wherein:
The grid of described the first metal-oxide-semiconductor is connected with described switch machine signal input part, the source ground of described the first metal-oxide-semiconductor, and the drain electrode of described the first metal-oxide-semiconductor is connected with the grid of described the second metal-oxide-semiconductor; The source electrode of described the second metal-oxide-semiconductor is as the input of described switching circuit, be connected with described rechargeable battery is anodal, the drain electrode of described the second metal-oxide-semiconductor is connected with the input of described voltage sample circuit as the output of described switching circuit, and is connected with the input of described control circuit.
Preferably, described switching circuit also comprises the first resistance, the second resistance, the 3rd resistance and the 4th resistance; Wherein:
Described the first resistance is connected between the grid and described switch machine signal input part of described the first metal-oxide-semiconductor, one end of described the second resistance is connected with the grid of described the first metal-oxide-semiconductor, the other end ground connection of described the second resistance, described the 3rd resistance is connected between the grid of the drain electrode of described the first metal-oxide-semiconductor and described the second metal-oxide-semiconductor, and described the 4th resistance is connected between the grid of the source electrode of described the second metal-oxide-semiconductor and described the second metal-oxide-semiconductor.
Preferably, described voltage sample circuit comprises the 5th resistance and the 6th resistance; One end of described the 5th resistance is as the input of described voltage sample circuit, be connected with the drain electrode of described the second metal-oxide-semiconductor, the other end of described the 5th resistance is through described the 6th grounding through resistance, the common port of described the 5th resistance and described the 6th resistance is connected with the control end of described control circuit as the output of described voltage sample circuit.
Preferably, described voltage sample circuit also comprises the 7th resistance and the 8th resistance; Described the 7th resistance and described the 8th resistance series connection, and an end is connected with an end of described the 5th resistance, and the other end is connected with the drain electrode of described the second metal-oxide-semiconductor.
Preferably, described control circuit comprises three terminal regulator, voltage-stabiliser tube, the 3rd metal-oxide-semiconductor, the 9th resistance, light-emitting diode and buzzer; Wherein:
The control utmost point of described three terminal regulator is as the control end of described control circuit, with described the 5th resistance be connected the common port of the 6th resistance and be connected, the negative electrode of described three terminal regulator is as the input of described control circuit, be connected with the drain electrode of described the second metal-oxide-semiconductor, and be connected the plus earth of described three terminal regulator with the negative electrode of described voltage-stabiliser tube; The anode of described voltage-stabiliser tube is through described the 9th grounding through resistance, and is connected with the grid of described the 3rd metal-oxide-semiconductor; The source ground of described the 3rd metal-oxide-semiconductor, the drain electrode of described the 3rd metal-oxide-semiconductor is connected with the negative electrode of described light-emitting diode, and is connected with an end of described buzzer; The other end of described buzzer be connected the anode of light-emitting diode and all be connected with the drain electrode of described the second metal-oxide-semiconductor.
Preferably, described control circuit also comprises the tenth resistance, the 11 resistance and the 12 resistance; Described the tenth resistance is connected between the drain electrode of the negative electrode of described three terminal regulator and described the second metal-oxide-semiconductor, described the 11 resistance is connected between the negative electrode of the negative electrode of described three terminal regulator and described voltage-stabiliser tube, and described the 12 resistance is connected between the drain electrode of the anode of described light-emitting diode and described the second metal-oxide-semiconductor.
The utility model also proposes a kind of rechargeable battery circuit, this rechargeable battery circuit comprises rechargeable battery, also comprise the charge prompting device, this charge prompting device comprises for the switching circuit that receives switch machine signal and the discharge of control rechargeable battery, is used for the voltage sample circuit that the rechargeable battery input voltage is taken a sample and the control circuit that is used for controlling the acousto-optic hint warning; Wherein:
The input of described switching circuit is connected with rechargeable battery is anodal, the output of described switching circuit is connected with the input of described voltage sample circuit, and be connected with the input of described control circuit, the output of described voltage sample circuit is connected with the control end of described control circuit.
The charge prompting device that the utility model proposes, receive the switch machine signal by switching circuit, and according to the level state of switch machine signal, control rechargeable battery to voltage sample circuit and control circuit discharge, voltage sample circuit detects the rechargeable battery input voltage, and the rechargeable battery input voltage is taken a sample, and obtains sampling voltage, control circuit is controlled acousto-optic hint and is reported to the police according to the size of sampling voltage.The utility model charge prompting device starts acousto-optic hint and reports to the police when the electric energy of rechargeable battery is discharged into preset value, realizes the charge prompting function of rechargeable battery.Simultaneously, the utility model also has the circuit structure advantages of simple, uses electronic component commonly used and few, the with low cost advantage of quantity.
Description of drawings
Fig. 1 is the electrical block diagram of the utility model charge prompting device preferred embodiment.
The realization of the purpose of this utility model, functional characteristics and advantage in connection with embodiment, and is described further with reference to accompanying drawing.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model proposes a kind of charge prompting device.
With reference to Fig. 1, Fig. 1 is the electrical block diagram of the utility model charge prompting device preferred embodiment.
In the utility model embodiment, the charge prompting device comprises switching circuit 10, voltage sample circuit 20 and control circuit 30.
Wherein, the input of switching circuit 10 is connected with the anodal PACK+ of rechargeable battery, the output of switching circuit 10 is connected with the input of voltage sample circuit 20, and the output of switching circuit 10 is connected with the input of control circuit 30, and the output of voltage sample circuit 20 is connected with the control end of control circuit 30.
In the utility model embodiment, the charge prompting device receives the switch machine signal by switching circuit 10, and according to the level state of switch machine signal, control rechargeable battery to voltage sample circuit 20 and control circuit 30 discharges, voltage sample circuit 20 detects the rechargeable battery input voltage, and the rechargeable battery input voltage is taken a sample, and obtains sampling voltage, control circuit 30 is controlled acousto-optic hint and is reported to the police according to the size of sampling voltage.In the present embodiment, the charge prompting device when the electric energy of rechargeable battery is discharged into preset value, starts acousto-optic hint and reports to the police, and realizes the charge prompting function of rechargeable battery.
In the present embodiment, switching circuit 10 comprises the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 and switch machine signal input part PS_ON; The first metal-oxide-semiconductor Q1 is the NMOS pipe in the present embodiment, and the second metal-oxide-semiconductor Q2 is the PMOS pipe.
Wherein, the grid of the first metal-oxide-semiconductor Q1 is connected with switch machine signal input part PS_ON, the source ground of the first metal-oxide-semiconductor Q1, and the drain electrode of the first metal-oxide-semiconductor Q1 is connected with the grid of the second metal-oxide-semiconductor Q2; The source electrode of the second metal-oxide-semiconductor Q2 is as the input of switching circuit 10, anodal PACK+ is connected with rechargeable battery, the drain electrode of the second metal-oxide-semiconductor Q2 is connected with the input of voltage sample circuit 20 as the output of switching circuit 10, and is connected with the input of control circuit 30.
In switching circuit 10, when complete machine is open state, be high level from the complete machine starting-up signal of switch machine signal input part PS_ON input, this complete machine starting-up signal drives the first metal-oxide-semiconductor Q1 conducting, the second metal-oxide-semiconductor Q2 conducting after the first metal-oxide-semiconductor Q1 conducting, the rechargeable battery input voltage is voltage sample circuit 20 and control circuit 30 power supplies through the second metal-oxide-semiconductor Q2.
Particularly, switching circuit 10 also comprises the first resistance R 1, the second resistance R 2, the 3rd resistance R 3 and the 4th resistance R 4.
Wherein, the first resistance R 1 is connected between the grid and switch machine signal input part PS_ON of the first metal-oxide-semiconductor Q1, one end of the second resistance R 2 is connected with the grid of the first metal-oxide-semiconductor Q1, the other end ground connection of the second resistance R 2, the 3rd resistance R 3 is connected between the grid of the drain electrode of the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2, and the 4th resistance R 4 is connected between the grid of the source electrode of the second metal-oxide-semiconductor Q2 and the second metal-oxide-semiconductor Q2.
in switching circuit 10, the first resistance R 1 and the second resistance R 2 play the dividing potential drop effect, restriction complete machine starting-up signal all is added in the grid of the first metal-oxide-semiconductor Q1, avoid burning out the first metal-oxide-semiconductor Q1, the 3rd 3 of resistance R metering function, restriction directly is added in the grid of the second metal-oxide-semiconductor Q2 from the voltage of the first metal-oxide-semiconductor Q1 output, avoid burning out the second metal-oxide-semiconductor Q2, the 4th 4 of resistance R metering function, avoid that in the rechargeable battery input voltage, some voltage is added on the first metal-oxide-semiconductor Q1, can be voltage sample circuit 20 and control circuit 30 power supplies through the second metal-oxide-semiconductor Q2 and only have another part voltage.
In the present embodiment, voltage sample circuit 20 comprises the 5th resistance R 5 and the 6th resistance R 6; One end of the 5th resistance R 5 is as the input of voltage sample circuit 20, be connected with the drain electrode of the second metal-oxide-semiconductor Q2, the other end of the 5th resistance R 5 is through the 6th resistance R 6 ground connection, the common port of the 5th resistance R 5 and the 6th resistance R 6 is connected with the control end of control circuit 30 as the output of voltage sample circuit 20.
Particularly, voltage sample circuit 20 also comprises the 7th resistance R 7 and the 8th resistance R 8; The 7th resistance R 7 and the series connection of the 8th resistance R 8, and an end of the 7th resistance R 7 and the 8th resistance R 8 series arms is connected with an end of the 5th resistance R 5, and the other end of the 7th resistance R 7 and the 8th resistance R 8 series arms is connected with the drain electrode of the second metal-oxide-semiconductor Q2.The 7th resistance R 7 and the 8th resistance R 8 all play metering function in the present embodiment.
In the present embodiment, control circuit 30 comprises three terminal regulator U1, voltage-stabiliser tube D1, the 3rd metal-oxide-semiconductor Q3, the 9th resistance R 9, light-emitting diode D2 and buzzer BZ1; The 3rd metal-oxide-semiconductor Q3 is the NMOS pipe in the present embodiment.
Wherein, the control utmost point of three terminal regulator U1 is as the control end of control circuit 30, be connected with the common port of the 5th resistance R 5 and the 6th resistance R 6, the negative electrode of three terminal regulator U1 is as the input of control circuit 30, be connected with the drain electrode of the second metal-oxide-semiconductor Q2, and be connected the plus earth of three terminal regulator U1 with the negative electrode of voltage-stabiliser tube D1; The anode of voltage-stabiliser tube D1 is through the 9th resistance R 9 ground connection, and is connected with the grid of the 3rd metal-oxide-semiconductor Q3; The source ground of the 3rd metal-oxide-semiconductor Q3, the drain electrode of the 3rd metal-oxide-semiconductor Q3 is connected with the negative electrode of light-emitting diode D2, and the drain electrode of the 3rd metal-oxide-semiconductor Q3 is connected with the end of buzzer BZ1; The other end of buzzer BZ1 is connected anode and all is connected with the drain electrode of the second metal-oxide-semiconductor Q2 with light-emitting diode D2.
in control circuit 30, the three terminal regulator U1 reference voltage that sampled voltage is inner with it compares, when sampled voltage during less than reference voltage, three terminal regulator U1 cut-off, the rechargeable battery input voltage is added on the negative electrode of voltage-stabiliser tube D1, voltage-stabiliser tube D1 conducting, the 9th resistance R 9 prevents voltage-stabiliser tube D1 shorted to earth, the rechargeable battery input voltage is added in the grid of the 3rd metal-oxide-semiconductor Q3 through voltage-stabiliser tube D1, drive the 3rd metal-oxide-semiconductor Q3 conducting, the rechargeable battery input voltage passes through respectively light-emitting diode D2 and buzzer BZ1, light-emitting diode D2 branch road and the work of buzzer BZ1 branch road, light-emitting diode D2 is shinny, buzzer BZ1 sends prompting sound, realize the acousto-optic hint warning.
Particularly, control circuit 30 also comprises the tenth resistance R 10, the 11 resistance R 11 and the 12 resistance R 12; The tenth resistance R 10 is connected between the drain electrode of the negative electrode of three terminal regulator U1 and the second metal-oxide-semiconductor Q2, the 11 resistance R 11 is connected between the negative electrode of the negative electrode of three terminal regulator U1 and voltage-stabiliser tube D1, and the 12 resistance R 12 is connected between the drain electrode of the anode of light-emitting diode D2 and the second metal-oxide-semiconductor Q2.The tenth resistance R 10, the 11 resistance R 11 and the 12 resistance R 12 all play metering function in the present embodiment.
The circuit working principle of the charge prompting device that the utility model proposes specifically describes as follows:
In switching circuit 10, when complete machine is open state, be high level from the complete machine starting-up signal of switch machine signal input part PS_ON input, this complete machine starting-up signal is added in the grid of the first metal-oxide-semiconductor Q1, drive the first metal-oxide-semiconductor Q1 conducting, after the first metal-oxide-semiconductor Q1 conducting, the grid of the second metal-oxide-semiconductor Q2 obtains enough voltage and makes the second metal-oxide-semiconductor Q2 conducting, and the rechargeable battery input voltage is voltage sample circuit 20 and control circuit 30 power supplies through the second metal-oxide-semiconductor Q2.Voltage sample circuit 20 detects the rechargeable battery input voltage, carries out dividing potential drop by the 5th resistance R 5 and 6 pairs of rechargeable battery input voltages of the 6th resistance R, obtains sampling voltage, and the voltage that produces on the 6th resistance R 6 is sampling voltage.voltage sample circuit 20 outputs to this sampling voltage the control end of three terminal regulator U1, the three terminal regulator U1 reference voltage that this sampled voltage is inner with it compares, when sampled voltage during less than reference voltage, three terminal regulator U1 cut-off, illustrate that current rechargeable battery input voltage is too low, the electric energy of rechargeable battery has been discharged into the preset value that sets, the rechargeable battery input voltage of this moment is added on the negative electrode of voltage-stabiliser tube D1, voltage-stabiliser tube D1 conducting, the rechargeable battery input voltage is added in the grid of the 3rd metal-oxide-semiconductor Q3 through voltage-stabiliser tube D1, drive the 3rd metal-oxide-semiconductor Q3 conducting, the rechargeable battery input voltage passes through respectively light-emitting diode D2 and buzzer BZ1, light-emitting diode D2 branch road and buzzer BZ1 branch road obtain to work after voltage, light-emitting diode D2 is shinny, buzzer BZ1 sends prompting sound, realize the acousto-optic hint warning, prompting need to be charged to rechargeable battery, and cutting electromechanical source.After turn-offing the complete machine power supply, the complete machine starting-up signal is low level, the first metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2 cut-off, control circuit 30 does not have supply power voltage and does not work, i.e. the 3rd metal-oxide-semiconductor Q3 cut-off, light-emitting diode D2 branch road and buzzer BZ1 branch road are not worked, and light-emitting diode D2 extinguishes, buzzer BZ1 stop alarm.
The charge prompting device that the utility model proposes, receive the switch machine signal by switching circuit 10, and according to the level state of switch machine signal, by controlling rechargeable battery to voltage sample circuit 20 and control circuit 30 discharges, voltage sample circuit 20 detects the rechargeable battery input voltage, and the rechargeable battery input voltage is taken a sample, and obtains sampling voltage, control circuit 30 is controlled acousto-optic hint and is reported to the police according to the size of sampling voltage.The utility model charge prompting device starts acousto-optic hint and reports to the police when the electric energy of rechargeable battery is discharged into preset value, realizes the charge prompting function of rechargeable battery.Simultaneously, the utility model charge prompting device also has the circuit structure advantages of simple, uses electronic component commonly used and few, the with low cost advantage of quantity.
The utility model also proposes a kind of rechargeable battery circuit, this rechargeable battery circuit comprises rechargeable battery and charge prompting device, the circuit structure of this charge prompting device is identical with circuit structure and the operation principle of foregoing charge prompting device with operation principle, repeats no more herein.
The above is 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 equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (8)
1. charge prompting device, it is characterized in that, comprise for the switching circuit that receives switch machine signal and the discharge of control rechargeable battery, be used for the voltage sample circuit that the rechargeable battery input voltage is taken a sample and the control circuit that is used for controlling the acousto-optic hint warning; Wherein:
The input of described switching circuit is connected with rechargeable battery is anodal, the output of described switching circuit is connected with the input of described voltage sample circuit, and be connected with the input of described control circuit, the output of described voltage sample circuit is connected with the control end of described control circuit.
2. charge prompting device as claimed in claim 1, is characterized in that, described switching circuit comprises the first metal-oxide-semiconductor, the second metal-oxide-semiconductor and switch machine signal input part; Wherein:
The grid of described the first metal-oxide-semiconductor is connected with described switch machine signal input part, the source ground of described the first metal-oxide-semiconductor, and the drain electrode of described the first metal-oxide-semiconductor is connected with the grid of described the second metal-oxide-semiconductor; The source electrode of described the second metal-oxide-semiconductor is as the input of described switching circuit, be connected with described rechargeable battery is anodal, the drain electrode of described the second metal-oxide-semiconductor is connected with the input of described voltage sample circuit as the output of described switching circuit, and is connected with the input of described control circuit.
3. charge prompting device as claimed in claim 2, is characterized in that, described switching circuit also comprises the first resistance, the second resistance, the 3rd resistance and the 4th resistance; Wherein:
Described the first resistance is connected between the grid and described switch machine signal input part of described the first metal-oxide-semiconductor, one end of described the second resistance is connected with the grid of described the first metal-oxide-semiconductor, the other end ground connection of described the second resistance, described the 3rd resistance is connected between the grid of the drain electrode of described the first metal-oxide-semiconductor and described the second metal-oxide-semiconductor, and described the 4th resistance is connected between the grid of the source electrode of described the second metal-oxide-semiconductor and described the second metal-oxide-semiconductor.
4. charge prompting device as claimed in claim 1 or 2, is characterized in that, described voltage sample circuit comprises the 5th resistance and the 6th resistance; One end of described the 5th resistance is as the input of described voltage sample circuit, be connected with the drain electrode of described the second metal-oxide-semiconductor, the other end of described the 5th resistance is through described the 6th grounding through resistance, the common port of described the 5th resistance and described the 6th resistance is connected with the control end of described control circuit as the output of described voltage sample circuit.
5. charge prompting device as claimed in claim 4, is characterized in that, described voltage sample circuit also comprises the 7th resistance and the 8th resistance; Described the 7th resistance and described the 8th resistance series connection, and described the 7th resistance and described the 8th resistance series connection, and an end is connected with an end of described the 5th resistance, and the other end is connected with the drain electrode of described the second metal-oxide-semiconductor.
6. charge prompting device as described in claim 1 or 5, is characterized in that, described control circuit comprises three terminal regulator, voltage-stabiliser tube, the 3rd metal-oxide-semiconductor, the 9th resistance, light-emitting diode and buzzer; Wherein:
The control utmost point of described three terminal regulator is as the control end of described control circuit, with described the 5th resistance be connected the common port of the 6th resistance and be connected, the negative electrode of described three terminal regulator is as the input of described control circuit, be connected with the drain electrode of described the second metal-oxide-semiconductor, and be connected the plus earth of described three terminal regulator with the negative electrode of described voltage-stabiliser tube; The anode of described voltage-stabiliser tube is through described the 9th grounding through resistance, and is connected with the grid of described the 3rd metal-oxide-semiconductor; The source ground of described the 3rd metal-oxide-semiconductor, the drain electrode of described the 3rd metal-oxide-semiconductor is connected with the negative electrode of described light-emitting diode, and is connected with an end of described buzzer; The other end of described buzzer be connected the anode of light-emitting diode and all be connected with the drain electrode of described the second metal-oxide-semiconductor.
7. charge prompting device as claimed in claim 6, is characterized in that, described control circuit also comprises the tenth resistance, the 11 resistance and the 12 resistance; Described the tenth resistance is connected between the drain electrode of the negative electrode of described three terminal regulator and described the second metal-oxide-semiconductor, described the 11 resistance is connected between the negative electrode of the negative electrode of described three terminal regulator and described voltage-stabiliser tube, and described the 12 resistance is connected between the drain electrode of the anode of described light-emitting diode and described the second metal-oxide-semiconductor.
8. a rechargeable battery circuit, comprise rechargeable battery, it is characterized in that, also comprises the described charge prompting device of any one in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220684688 CN203026980U (en) | 2012-12-12 | 2012-12-12 | Charging promoting device and rechargeable battery circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220684688 CN203026980U (en) | 2012-12-12 | 2012-12-12 | Charging promoting device and rechargeable battery circuit |
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| CN203026980U true CN203026980U (en) | 2013-06-26 |
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| CN 201220684688 Expired - Fee Related CN203026980U (en) | 2012-12-12 | 2012-12-12 | Charging promoting device and rechargeable battery circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515099A (en) * | 2015-12-10 | 2016-04-20 | 深圳市科陆电子科技股份有限公司 | Battery power supply management apparatus of passive RFID reader-writer |
| CN110148976A (en) * | 2018-02-12 | 2019-08-20 | 启碁科技股份有限公司 | Electronic device and its control method |
-
2012
- 2012-12-12 CN CN 201220684688 patent/CN203026980U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515099A (en) * | 2015-12-10 | 2016-04-20 | 深圳市科陆电子科技股份有限公司 | Battery power supply management apparatus of passive RFID reader-writer |
| CN105515099B (en) * | 2015-12-10 | 2018-05-11 | 深圳市科陆电子科技股份有限公司 | A kind of passive RFID reader battery powered managing device |
| CN110148976A (en) * | 2018-02-12 | 2019-08-20 | 启碁科技股份有限公司 | Electronic device and its control method |
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Granted publication date: 20130626 Termination date: 20201212 |