CN102590666A - False battery of mobile phone and mobile phone power consumption and charge/discharge testing system - Google Patents

False battery of mobile phone and mobile phone power consumption and charge/discharge testing system Download PDF

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Publication number
CN102590666A
CN102590666A CN2012100298863A CN201210029886A CN102590666A CN 102590666 A CN102590666 A CN 102590666A CN 2012100298863 A CN2012100298863 A CN 2012100298863A CN 201210029886 A CN201210029886 A CN 201210029886A CN 102590666 A CN102590666 A CN 102590666A
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battery
switch
testing
false
wire jumper
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CN2012100298863A
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CN102590666B (en
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黄树伟
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Huizhou TCL Mobile Communication Co Ltd
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Huizhou TCL Mobile Communication Co Ltd
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Abstract

The invention discloses a false battery of a mobile phone and a mobile phone power consumption and charge/discharge testing system. A battery protective circuit, a battery anode, a battery identification end, a battery temperature feedback end, a battery cathode, a battery testing anode, a battery testing identification end, a battery testing temperature feedback end, a battery testing cathode, a first switch, a second switch and a third switch are arranged in the false battery; and the battery testing identification end is connected with the battery identification end through the first switch, the battery testing temperature feedback end is connected with the battery temperature feedback end through the second switch, and the battery testing cathode is connected with the battery cathode through the third switch. When the first switch, the second switch and the third switch are turned off, the battery protective circuit is connected to the circuit, and normal mobile phone power consumption test can be performed; and when the first switch, the second switch and the third switch are turned on, charge/discharge test is performed, so that the mobile phone can detect the battery identification end and the battery temperature feedback end of the battery, and a real effect of stimulating the use of a user is achieved.

Description

False battery of mobile phone and mobile telephone power consumption, charging-discharge tester system
Technical field
The present invention relates to communication technical field, false battery of particularly a kind of mobile phone and mobile telephone power consumption, charging-discharge tester system.
Background technology
In mobile phone research test process, generally need to use the false battery of mobile phone, as depicted in figs. 1 and 2; The false battery of mobile phone comprise holding circuit plate 11 '; Holding circuit plate 11 ' be provided with 4 electrodes is respectively: anode P '+, GND P '-, battery identification end ID ' and battery temperature feedback end TH ', after encapsulation; These four electrodes are positioned on the end face of false battery body, supply power to mobile phone after these four electrodes contact with the battery of mobile phone interface when test.On the holding circuit plate, also be provided with two other electrode; Be respectively: the anodal B ' of battery testing+and battery testing negative pole B '-; After false Electronic Packaging; These two electrodes are embedded on the side of false battery (as shown in Figure 2), the anodal B ' of when test battery testing+with battery testing negative pole B '-be connected with direct supply.
When the power consumption simulation test is carried out in the application of false battery; Need false battery is installed on the mobile phone; With the anodal B ' of the battery testing of the positive pole 1 ' false battery of connection of direct supply+, the negative pole 3 of the negative pole 2 of direct supply ' connection reometer ', the positive pole 4 of the battery testing negative pole B '-said reometer of connection of said false battery '; As shown in Figure 3, thus can realize the mobile telephone power consumption simulation test of false battery applications.
When false battery is carried out charge-discharge test; Need to use battery, mobile phone, battery case, voltage table, reometer and some p-wires; As shown in Figure 4; At first need false battery is installed in the mobile phone, the anodal B ' of the battery testing of false battery+with the positive pole 5 of the positive pole 9 of voltage table ' all be connected battery case ', with the negative pole 10 of voltage table ' with the 4th wiring point 8 of the negative pole 3 of reometer ' all be connected battery case '; The battery testing negative pole B ' of the positive pole 4 of said reometer ' false battery of connection-.At this moment; Existing false battery is packed into when carrying out charge-discharge test in the mobile phone; False battery can discharge and recharge; That but mobile phone detects at test process is the battery identification end ID ' and battery temperature feedback end TH ' on the false battery, and the battery identification end on the battery negative pole 6 of battery case (be ') and battery temperature feedback end the 3rd wiring point 7 of battery case (be ') all are in idle state, it is thus clear that battery identification end and battery temperature feedback end on the battery do not play any effect; Therefore when false battery is carried out the charge-discharge test simulated experiment, can not reach user's result of use.
Summary of the invention
In view of the weak point of above-mentioned prior art, the object of the present invention is to provide the false battery of a kind of mobile phone and mobile telephone power consumption, charging-discharge tester system, can test accurate data, thereby operating position that can effective analogue mobile phone user improves the performance of false battery.
In order to achieve the above object, the present invention has taked following technical scheme:
The false battery of a kind of mobile phone; Be provided with battery protecting circuit and the anode that is connected with this battery protecting circuit, battery identification end, battery temperature feedback end, GND, battery testing positive pole, battery testing identification end, battery testing Temperature Feedback end, battery testing negative pole, be used to control first switch that battery testing is discerned the break-make between end and the battery identification end, the 3rd switch that is used to control the second switch of the break-make between battery testing Temperature Feedback end and the battery temperature feedback end and is used to control the break-make between battery testing negative pole and the GND at false inside battery; Said battery testing identification end connects said battery identification end through first switch, and battery testing Temperature Feedback end connects said battery temperature feedback end through second switch, and the battery testing negative pole connects said GND through the 3rd switch.
In the false battery of above-mentioned mobile phone; Also comprise false battery case, said anode, battery identification end, battery temperature feedback end, GND, battery testing positive pole, battery testing identification end, battery testing Temperature Feedback end, battery testing negative pole, first switch, second switch and the 3rd switch are positioned on the said false battery case.
In the false battery of above-mentioned mobile phone, said first switch comprises the first wire jumper pin and first wire jumper block, and second switch comprises the second wire jumper pin and second wire jumper block, and the 3rd switch comprises the 3rd wire jumper pin and the 3rd wire jumper block.
In the false battery of above-mentioned mobile phone, the said first wire jumper pin, the second wire jumper pin and the 3rd wire jumper pin are one-body molded.
In the false battery of above-mentioned mobile phone; The false battery of mobile phone comprises first circuit board and second circuit board; Said battery protecting circuit, anode, battery identification end, battery temperature feedback end and GND are laid on the said first circuit board; Said battery testing is anodal, battery testing is discerned end, battery testing Temperature Feedback end and battery testing negative pole and is positioned on the said second circuit board; Also be provided with 6 tie points that are used to be electrically connected the said first wire jumper pin, the second wire jumper pin and the 3rd wire jumper pin on the said second circuit board; Said anode is connected with battery testing is anodal; Said battery temperature feedback end connects first tie point, battery testing Temperature Feedback end and connects that second tie point, battery identification end connect the 3rd tie point, battery testing identification end connects the 4th tie point, and GND connects the 5th tie point, the battery testing negative pole connects the 6th tie point.
A kind of mobile telephone power consumption test macro; It comprises direct supply, reometer and above-mentioned false battery; Said false battery is installed in the said mobile phone; The positive pole of said direct supply is connected with the battery testing of false battery is anodal, and negative pole connects the negative pole of reometer, and the battery testing negative pole of said false battery connects the positive pole of said reometer; Said first switch, second switch and the 3rd switch all break off.
In the above-mentioned mobile telephone power consumption test macro, said first switch comprises the first wire jumper pin and first wire jumper block, and second switch comprises the second wire jumper pin and second wire jumper block, and the 3rd switch comprises the 3rd wire jumper pin and the 3rd wire jumper block.
In the above-mentioned mobile telephone power consumption test macro, the said first wire jumper pin, the second wire jumper pin and the 3rd wire jumper pin are one-body molded.
A kind of mobile phone charging-discharge tester system, it comprises voltage table, reometer, battery case, battery and above-mentioned false battery; Said battery is installed in the battery case, and the positive pole of said voltage table connects the positive pole of battery case and the battery testing positive pole of false battery, and its negative pole connects the 4th wiring point of battery case; The negative pole of said battery case connects the battery testing Temperature Feedback end of false battery, and its 3rd wiring point connects the battery testing identification end of false battery; The negative pole of said reometer connects the 4th wiring point of battery case, the anodal battery testing negative pole that connects false battery; Said first switch, second switch and the 3rd switch are all closed.
Compared to prior art; False battery of mobile phone provided by the invention and mobile telephone power consumption, charging-discharge tester system; Be provided with the holding circuit plate at false inside battery; Be laid with battery protecting circuit and the anode that is connected with this battery protecting circuit, battery identification end, battery temperature feedback end, GND, battery testing positive pole, battery testing identification end, battery testing Temperature Feedback end, battery testing negative pole on the said holding circuit plate, be used to control first switch that battery testing is discerned the break-make between end and the battery identification end, the 3rd switch that is used to control the second switch of the break-make between battery testing Temperature Feedback end and the battery temperature feedback end and is used to control the break-make between battery testing negative pole and the GND; Said battery testing identification end connects said battery identification end through first switch, and battery testing Temperature Feedback end connects said battery temperature feedback end through second switch, and the battery testing negative pole connects said GND through the 3rd switch.The present invention inserts battery protecting circuit in the test macro through when said first switch, second switch and the 3rd switch all break off, carrying out the mobile telephone power consumption test, and battery protecting circuit is played a role, thereby can carry out normal mobile telephone power consumption test; When first switch, second switch and the 3rd switch are all closed, carry out charge-discharge test; Make battery protecting circuit not insert test macro; Make mobile phone can detect the battery identification end and the battery temperature feedback end of battery; Reach the true effect that analog subscriber uses, thereby made the data that record more accurately credible, improved the performance of false battery.
Description of drawings
Fig. 1 is the circuit theory diagrams of existing false battery.
Fig. 2 is the structural representation of existing false battery.
Test principle figure when Fig. 3 carries out the mobile telephone power consumption test for existing false battery.
Fig. 4 is the test principle figure during row mobile phone charge-discharge test during for existing false battery.
Fig. 5 is the circuit theory diagrams of the false battery of mobile phone of the present invention.
Fig. 6 is the structural representation of the false battery of mobile phone of the present invention.
Fig. 7 is the STRUCTURE DECOMPOSITION figure of the false battery of mobile phone of the present invention.
Test principle figure when Fig. 8 carries out the mobile telephone power consumption test for the false battery of mobile phone of the present invention.
Test principle figure when Fig. 9 carries out the mobile phone charge-discharge test for the false battery of mobile phone of the present invention.
The circuit theory diagrams that Figure 10 is connected with battery case for battery in the mobile phone charging-discharge tester system of the present invention.
Embodiment
Battery of mobile phone generally comprises electric core and battery protecting circuit; Battery protecting circuit is provided with anode, battery identification end, battery temperature feedback end, GND, battery testing Anode and battery test negative pole; Wherein, Anode, battery identification end, battery temperature feedback end and GND contact the back to the mobile phone power supply with the shell fragment of handset port, battery testing Anode and battery test negative pole is connected with negative pole with the positive pole of electric core respectively.The present invention provides the false battery of a kind of mobile phone and mobile telephone power consumption, charging-discharge tester system according to the design feature of battery of mobile phone.
For making the object of the invention, technical scheme and effect clearer, clear and definite, below develop simultaneously embodiment to further explain of the present invention with reference to accompanying drawing.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 5, it is the circuit theory diagrams of the false battery of mobile phone of the present invention.As shown in the figure; Battery protecting circuit 10 and the anode P+ that is connected with this battery protecting circuit 10, battery identification end ID, battery temperature feedback end TH, GND P-, the anodal B+ of battery testing, battery testing identification end ID1, battery testing Temperature Feedback end TH1, battery testing negative pole B-are set, are used to control first switch SW 1 that the break-make between ID1 and the battery identification end ID is held in battery testing identification, the 3rd switch SW 3 that is used to control the second switch SW2 of the break-make between battery testing Temperature Feedback end TH1 and the battery temperature feedback end TH and is used to control the break-make between battery testing negative pole B-and the GND P-at false inside battery; Said battery testing identification end ID1 connects said battery identification end ID through first switch SW 1; Battery testing Temperature Feedback end TH1 connects said battery temperature feedback end TH through second switch SW2, and battery testing negative pole B-connects said GND P-through the 3rd switch SW 3.
Please consult Fig. 6 in the lump; In the embodiment of the invention; The false battery of said mobile phone comprises false battery case 110, and said anode P+, battery identification end ID, battery temperature feedback end TH, GND P-, the anodal B+ of battery testing, battery testing identification end ID1, battery testing Temperature Feedback end TH1, battery testing negative pole B-, first switch SW 1, second switch SW2 and the 3rd switch SW 3 are positioned on the said false battery case 110.
In the specific implementation; Said anode P+, battery identification end ID, battery temperature feedback end TH and GND P-are positioned on the end face of said false battery case 110; When false battery was packed mobile phone into, this anode P+, battery identification end ID, battery temperature feedback end TH and GND P-just in time contacted with the corresponding shell fragment of handset port.The anodal B+ of said battery testing, battery testing identification end ID1, battery testing Temperature Feedback end TH1, battery testing negative pole B-, first switch SW 1, second switch SW2 and the 3rd switch SW 3 are positioned on the side of said false battery case 110.The anodal B+ of battery testing, battery testing identification end ID1, battery testing Temperature Feedback end TH1, battery testing negative pole B-connect corresponding testing tool when being mainly used in test, first switch SW 1, second switch SW2 selects to break off according to different testing experiments with the 3rd switch SW 3 or closed.Wherein, the circuit structure of said battery protecting circuit and principle of work thereof are prior art, are not described further here.
Please consult Fig. 7 in the lump; In the specific implementation; Said first switch SW 1 comprises the first wire jumper pin 101 and first wire jumper block 104, and second switch SW2 comprises that the second wire jumper pin 102 and second wire jumper block, 105, the three switch SW 3 comprise the 3rd wire jumper pin 103 and the 3rd wire jumper block 106.Wherein, the said first wire jumper pin 101, the second wire jumper pin 102 and the 3rd wire jumper pin 103 are one-body molded, when assembling, can reduce the plug-in unit operation.
Further, the false battery of said mobile phone comprises first circuit board 107 and second circuit board 108, and said battery protecting circuit, anode P+, battery identification end ID, battery temperature feedback end TH and GND P-are laid on the said first circuit board 107.The anodal B+ of said battery testing, battery testing identification end ID1, battery testing Temperature Feedback end TH1 and battery testing negative pole beta-position also are provided with 6 tie points that are used to be electrically connected the said first wire jumper pin 101, the second wire jumper pin 102 and the 3rd wire jumper pin 103 on said second circuit board 108 on said second circuit board 108.
Wherein, Said anode P+ is connected with the anodal B+ of battery testing; Said battery temperature feedback end TH connects first tie point 1, battery testing Temperature Feedback end TH1 connects second tie point 2; Battery identification end ID connects the 3rd tie point 3, battery testing identification end ID1 connects the 4th tie point 4, and GND P-connects the 5th tie point 5, battery testing negative pole B-connects the 6th tie point 6.
As shown in Figure 7; The tie point that each wire jumper pin is connected with second circuit board 108 is two; Battery identification end ID, battery temperature feedback end TH and GND P-on first circuit board 107; And the identification end of the battery testing on the second circuit board 108 ID1, when battery testing Temperature Feedback end TH1 is connected with these three wire jumpers respectively with battery testing negative pole B-; Only need to be connected to a tie point of answering with each wire jumper; As long as can through wire jumper block cover and extract state, can corresponding control battery identification end ID hold between the ID1 with battery testing identification, between battery temperature feedback end TH and the battery testing Temperature Feedback end TH1 and the break-make between GND P-and the battery testing negative pole B-get final product.
Based on the false battery of above-mentioned mobile phone, the embodiment of the invention is also corresponding to provide a kind of mobile telephone power consumption test macro, sees also Fig. 8, and it comprises: false battery 201, direct supply 202 and reometer 203.Said false battery 201 is installed in the said mobile phone 204; The positive pole 7 of said direct supply 202 is connected with the anodal B+ of the battery testing of false battery 201; The negative pole 8 of direct supply 202 connects the negative pole 9 of reometer 203, and the battery testing negative pole B-of said false battery 201 connects the positive pole 10 of said reometer 203; Said first switch SW 1, second switch SW2 and the 3rd switch SW 3 are all broken off, and battery protecting circuit 10 is inserted in the test macros.Because the false battery of present embodiment 201 is described in detail at preceding text, repeats no more here.
The embodiment of the invention is also corresponding to provide a kind of mobile phone charging-discharge tester system, sees also Fig. 9, and it comprises false battery 301, voltage table 302, and reometer 303, battery case 304 and battery 305, said battery 305 is installed in the battery case 304.Shown in figure 10, said battery comprises anode BAT+, temperature detection end TH2, identification end ID2, GND BAT-and 2 fixing pin PAD1, PAD2, and said battery case 304 has four wiring points.After in battery 305 is packed battery case 304 into; The anode BAT+ of said battery 305 connects the anodal TP1 of battery case 304; The temperature detection end TH2 of battery 305 connects the negative pole TP2 of battery case 304; The identification end ID2 of battery 305 connects the 3rd wiring point TP3 of battery case 304, the GND BAT-of battery 305 and 2 fixing pin PAD1, PAD2, and the equal ground connection of the 4th wiring point TP4 of battery case 304.
Please continue to consult Fig. 9; When carrying out charge-discharge test; False battery 301 is packed in the mobile phone 306, and the positive pole 11 of said voltage table 302 connects the anodal TP1 of battery cases 304 and the anodal B+ of battery testing of false battery 301, and its negative pole 12 connects the 4th wiring point TP4 of battery cases 304; The negative pole TP2 of said battery case 304 connects the battery testing Temperature Feedback end TH1 of false battery 301, and its 3rd wiring point TP3 connects the battery testing identification end ID1 of false battery 301; The negative pole 13 of said reometer 303 connects the 4th wiring point TP4 of battery case 304, and anodal 14 connect the battery testing negative pole B-of false battery 301; Said first switch, second switch and the 3rd switch are all closed, make its not with false battery 301 on holding circuit is connected, false battery 301 is only as a kind of coupling arrangement that connects battery case 304 at this moment.In other words; Be appreciated that to battery 305 and handset port are coupled together here; Discharge and recharge when experiment doing like this; Mobile phone 306 makes the identification end ID2 that can detect battery 305 and the data on the Temperature Feedback end TH2, thereby reaches the true effect that analog subscriber uses, and makes the data that record of experiment more genuine and believable.
In sum; False battery of mobile phone provided by the invention and mobile telephone power consumption, charging-discharge tester system; Be provided with the holding circuit plate at false inside battery; Be laid with battery protecting circuit and the anode that is connected with this battery protecting circuit, battery identification end, battery temperature feedback end, GND, battery testing positive pole, battery testing identification end, battery testing Temperature Feedback end, battery testing negative pole on the said holding circuit plate, be used to control first switch that battery testing is discerned the break-make between end and the battery identification end, the 3rd switch that is used to control the second switch of the break-make between battery testing Temperature Feedback end and the battery temperature feedback end and is used to control the break-make between battery testing negative pole and the GND; Said battery testing identification end connects said battery identification end through first switch, and battery testing Temperature Feedback end connects said battery temperature feedback end through second switch, and the battery testing negative pole connects said GND through the 3rd switch.The present invention inserts battery protecting circuit in the test macro through when said first switch, second switch and the 3rd switch all break off, carrying out the mobile telephone power consumption test, and battery protecting circuit is played a role, thereby can carry out normal mobile telephone power consumption test; When first switch, second switch and the 3rd switch are all closed, carry out charge-discharge test; Make battery protecting circuit not insert test macro; Make mobile phone can detect the battery identification end and the battery temperature feedback end of battery; Reach the true effect that analog subscriber uses, thereby made the data that record more accurately credible, improved the performance of false battery.
It is understandable that, concerning those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.

Claims (9)

1. the false battery of a mobile phone; It is characterized in that; Be provided with battery protecting circuit and the anode that is connected with this battery protecting circuit, battery identification end, battery temperature feedback end, GND, battery testing positive pole, battery testing identification end, battery testing Temperature Feedback end, battery testing negative pole, be used to control first switch that battery testing is discerned the break-make between end and the battery identification end, the 3rd switch that is used to control the second switch of the break-make between battery testing Temperature Feedback end and the battery temperature feedback end and is used to control the break-make between battery testing negative pole and the GND at false inside battery; Said battery testing identification end connects said battery identification end through first switch, and battery testing Temperature Feedback end connects said battery temperature feedback end through second switch, and the battery testing negative pole connects said GND through the 3rd switch.
2. the false battery of mobile phone according to claim 1; It is characterized in that; Also comprise false battery case, said anode, battery identification end, battery temperature feedback end, GND, battery testing positive pole, battery testing identification end, battery testing Temperature Feedback end, battery testing negative pole, first switch, second switch and the 3rd switch are positioned on the said false battery case.
3. the false battery of mobile phone according to claim 1 is characterized in that, said first switch comprises the first wire jumper pin and first wire jumper block, and second switch comprises the second wire jumper pin and second wire jumper block, and the 3rd switch comprises the 3rd wire jumper pin and the 3rd wire jumper block.
4. the false battery of mobile phone according to claim 3 is characterized in that the said first wire jumper pin, the second wire jumper pin and the 3rd wire jumper pin are one-body molded.
5. the false battery of mobile phone according to claim 3; It is characterized in that; The false battery of mobile phone comprises first circuit board and second circuit board; Said battery protecting circuit, anode, battery identification end, battery temperature feedback end and GND are laid on the said first circuit board; Said battery testing is anodal, battery testing is discerned end, battery testing Temperature Feedback end and battery testing negative pole and is positioned on the said second circuit board; Also be provided with 6 tie points that are used to be electrically connected the said first wire jumper pin, the second wire jumper pin and the 3rd wire jumper pin on the said second circuit board; Said anode and battery testing are anodal to be connected, and said battery temperature feedback end connects that first tie point, battery testing Temperature Feedback end connect second tie point, the battery identification end connects the 3rd tie point, battery testing identification end connection the 4th tie point, and GND connects the 5th tie point, the battery testing negative pole connects the 6th tie point.
6. mobile telephone power consumption test macro; It is characterized in that; Comprise direct supply, reometer and false battery as claimed in claim 1, said false battery is installed in the said mobile phone, and the positive pole of said direct supply is connected with the battery testing of false battery is anodal; Negative pole connects the negative pole of reometer, and the battery testing negative pole of said false battery connects the positive pole of said reometer; Said first switch, second switch and the 3rd switch all break off.
7. mobile telephone power consumption test macro according to claim 6; It is characterized in that; Said first switch comprises the first wire jumper pin and first wire jumper block, and second switch comprises the second wire jumper pin and second wire jumper block, and the 3rd switch comprises the 3rd wire jumper pin and the 3rd wire jumper block.
8. mobile telephone power consumption test macro according to claim 7 is characterized in that, the said first wire jumper pin, the second wire jumper pin and the 3rd wire jumper pin are one-body molded.
9. a mobile phone charging-discharge tester system is characterized in that, comprises voltage table, reometer, battery case, battery and false battery as claimed in claim 1; Said battery is installed in the battery case, and the positive pole of said voltage table connects the positive pole of battery case and the battery testing positive pole of false battery, and its negative pole connects the 4th wiring point of battery case; The negative pole of said battery case connects the battery testing Temperature Feedback end of false battery, and its 3rd wiring point connects the battery testing identification end of false battery; The negative pole of said reometer connects the 4th wiring point of battery case, the anodal battery testing negative pole that connects false battery; Said first switch, second switch and the 3rd switch are all closed.
CN201210029886.3A 2012-02-10 2012-02-10 False battery of mobile phone and mobile phone power consumption and charge/discharge testing system Expired - Fee Related CN102590666B (en)

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CN102590666B CN102590666B (en) 2015-04-22

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CN103487742A (en) * 2013-10-09 2014-01-01 惠州市蓝微电子有限公司 Test circuit for single lithium battery protection board
CN104714184A (en) * 2015-03-12 2015-06-17 惠州Tcl移动通信有限公司 Device and method for detecting battery ID and battery temperature through singular pins
CN104767855A (en) * 2015-04-02 2015-07-08 工业和信息化部电信研究院 Mobile phone power consumption detection experiment system based on constant-temperature box and detection method thereof
CN105203957A (en) * 2014-06-30 2015-12-30 展讯通信(上海)有限公司 Cell test method and system
CN107328991A (en) * 2017-08-04 2017-11-07 福建升腾资讯有限公司 A kind of power consumption test device of lithium battery power supply equipment
CN108594039A (en) * 2018-04-13 2018-09-28 上海与德通讯技术有限公司 A kind of charge-discharge testing device and method of mobile terminal
CN109444805A (en) * 2018-12-29 2019-03-08 国网河北省电力有限公司电力科学研究院 Clock of power meter battery current supply circuit detection device, method and terminal device
CN109599931A (en) * 2018-11-23 2019-04-09 欣旺达电子股份有限公司 General mobile phone vacation battery

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CN103401972A (en) * 2013-07-02 2013-11-20 Tcl通讯(宁波)有限公司 Battery protection plate and fake battery
CN103401972B (en) * 2013-07-02 2016-01-13 Tcl通讯(宁波)有限公司 Battery protecting plate and false battery
CN103487742B (en) * 2013-10-09 2016-04-27 惠州市蓝微电子有限公司 A kind of test circuit for single lithium battery protection board
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