CN201477196U

CN201477196U - Battery capacity tester

Info

Publication number: CN201477196U
Application number: CN200920190686XU
Authority: CN
Inventors: 朱立峰
Original assignee: Zhejiang Lianlong Electronics & Electrical Appliance Co Ltd
Current assignee: Zhejiang Lianlong Electronics & Electrical Appliance Co Ltd
Priority date: 2009-08-03
Filing date: 2009-08-03
Publication date: 2010-05-19
Anticipated expiration: 2019-08-03

Abstract

The utility model discloses a battery capacity tester, which comprises a shell, a circuit board and a display screen, wherein the circuit board is arranged in the shell; the display screen is positioned on the panel of the shell; the shell comprises an upper cover and a bottom cover that are buckled with each other; one or more than one clamps of batteries to be tested are arranged on the upper cover; mounting holes for the display screen are arranged on the panel of the upper cover; a mounting hole for a tester power supply is arranged on the bottom cover; the display screen, battery electrode contact elements of the clamps of the batteries to be tested, and an electrode of the tester power supply are electrically connected with the circuit board; the circuit board adopts a circuit that adopts a module to control and measure the open circuit voltage of a battery; and the display screen adopts a voltage display screen. The battery capacity tester has the advantages of reasonable structure, strong applicability, convenient operation, high testing precision and the like, and can measure the capacity of attached batteries in various small appliances, multi-media play devices, portable devices, electronic watches, hearing aids, toys and the like.

Description

A kind of battery capacity tester

Technical field

The utility model relates to a kind of battery testing instrument, and particularly a kind of battery capacity tester is mainly used in the capacity of adapted batteries such as measuring various compact electric apparatus, multimedia play equipment, portable equipment and electronic watch, osophone, toy.

Background technology

The result of use that is used for the battery capacity direct relation electronic product of each electronic product, the open-circuit voltage of generally taking multimeter to measure battery is weighed battery capacity, and this means of testing is more original, pure manual operations, measuring accuracy is low.

Summary of the invention

Technical problem to be solved in the utility model is, overcomes the defective that prior art exists, provide a kind of rational in infrastructure, applicability is strong, easy to operate, battery capacity tester that measuring accuracy is high.

The technical scheme in the invention for solving the above technical problem is: this battery capacity tester, its design feature is: comprise shell, wiring board and display screen, wiring board is cased, display location is on housing face-plate, described shell comprises loam cake and bottom, loam cake and bottom are involutory, cover on described one or more battery clamps to be tested are set, the display screen mounting hole is set on the panel of loam cake, tester power supply mounting hole is set on the described bottom, described display screen, the battery electrode contact element of battery clamp to be tested and the electrode of tester power supply all are electrically connected with wiring board, described wiring board takes module controls to measure the circuit of battery open circuit voltage, and display screen adopts the voltage display screen.

The utility model battery capacity tester, described battery clamp to be tested are one or more cylindrical nib battery clamps.

The utility model battery capacity tester, described battery clamp to be tested also has one or more button shaped cell anchor clamps.

The utility model battery capacity tester, described battery clamp to be tested also has one or more assembled battery anchor clamps.

The utility model battery capacity tester, described tester power supply adopts the cylindrical nib battery, and described power supply mounting hole has battery cover.

The utility model compared with prior art has the following advantages: 1, the utility model is rational in infrastructure, the cell channel to be tested of a plurality of module programming controls is set, and each cell channel to be tested has independently constant current and hardware constant pressure source, makes test circuit reliable and stable, test data degree of accuracy height.2, adopt display screen to show the capacity status of tested battery; Adopt the anchor clamps mode to load and unload battery to be tested, test result intuitive display, easy to operate.3, battery clamp A wide selection of colours and designs to be tested can adapt to the test of cylindrical nib battery, button cell and the assembled battery of various different size models; The wiring board modular design, extendibility is good, and independence is strong, and applicability is wide, and is easy to safeguard.

Description of drawings

Fig. 1 is an embodiment battery capacity tester structural representation.

Fig. 2 is the elevational schematic view of Fig. 1.

Fig. 3 is the schematic top plan view of Fig. 1.

Fig. 4 is the schematic rear view of Fig. 1.

Fig. 5 is the superstructure synoptic diagram of embodiment among Fig. 1.

Fig. 6 is the circuit board structure synoptic diagram of embodiment among Fig. 1.

Fig. 7 is the bottom cover structure synoptic diagram of embodiment among Fig. 1.

Fig. 8 is contained in the structure of battery corer synoptic diagram on the bottom among Fig. 7.

Fig. 9 is the wiring board circuit theory Fig. 1 of embodiment among Fig. 1.

Figure 10 is the wiring board circuit theory Fig. 2 of embodiment among Fig. 1.

Figure 11 is the wiring board circuit theory Fig. 3 of embodiment among Fig. 1.

Figure 12 is the wiring board circuit theory Fig. 4 of embodiment among Fig. 1.

Embodiment

Below by embodiment, in conjunction with the accompanying drawings the utility model is further described.

Referring to Fig. 1～8, this battery capacity tester comprises display screen 1, shell 2 and wiring board 5, and wiring board 5 is contained in the shell 2, and display screen 1 is positioned on shell 2 panels, and shell 2 comprises loam cake 21 and bottom 22, and loam cake 21 and bottom 22 are involutory.

Referring to Fig. 1,2,5, one or more battery clamps 3 to be tested are set on the loam cake 21, display screen mounting hole 4 is set on the panel of loam cake 21.Present embodiment battery clamp 3 to be tested is set to a plurality of cylindrical nib battery clamps, button shaped cell anchor clamps and assembled battery anchor clamps, wherein, the cylindrical nib battery folder has 6 of the D type battery clamp 3f etc. of AA/C type battery clamp 3e, 1.5V of AAA type battery clamp 3d, 1.5V of CR123A type battery clamp 3c, 1.5V of N type battery clamp 3b, 1.5V of CR2 type battery clamp 3a, the 1.5V of 3V; The button cell anchor clamps have 4 of the button cell anchor clamps 3j etc. of button cell anchor clamps 3i, the 3V of the button cell anchor clamps 3g of 9V and 3h, 1.5V; The assembled battery anchor clamps have 2 of the 20R5/CR-P2 type battery clamp 3l etc. of CR-V3 type battery clamp 3k, the 6V of 3V; All battery clamps to be tested 3 all have the battery electrode contact element that matches.Referring to Fig. 2～4,7～8, tester power supply mounting hole 6 is set on the bottom 22, present embodiment tester power supply adopts the cylindrical nib battery, uses a joint AAA battery, and power supply mounting hole 6 has battery cover 61.Display screen 1 adopts the voltage display screen, referring to Fig. 6, display screen 1, the electrode of battery electrode contact element and tester power supply all is electrically connected with wiring board 5, as shown in the figure, 5 1#

electrode contact elements

31 and 4 2# electrode contact elements in the cylindrical nib battery clamp, and the button cell anchor clamps 1# electrode contact element 34 of 1.5V and 3V directly is fixed on the wiring board 5, all the other 1 cylindrical nib battery clamp 1#

electrode contact elements

31,2 cylindrical nib battery clamp 2# electrode contact elements, the button cell anchor clamps contact element 33 of 2 9V, 1.5V and 35,4 assembled battery jigs electrodes of button cell anchor clamps 2# contact element contact element 36 of 3V all is to be electrically connected with wiring board 5 by connecting line.

Wiring board 5 takes module controls to measure the circuit of battery open circuit voltage, and the circuit of wiring board 5 connects referring to Fig. 9～12.This each test channel of battery capacity tester has independently constant current and hardware constant pressure source, takes programming Control; Each test point is furnished with the independent protective circuit, guarantees that device security is reliable and stable reliable.Power unit IC1 adopts the 331C regulator block among embodiment Fig. 9, and D1 adopts IN5819 (SS14) schottky diode, and L1 is 100UH, and E1 is 10V/100UF, and C1 is 103; Part of detecting Q1 adopts 9014 among Figure 10, and R5, R6, R7 are 2702, and R8, R9, R10, R11, R12, R13 are 1102, R14 is 6042, and R15 is 7151, and R16 is 1002, R18 is 91K, and R19 is 1212, and R20 is 1402, R21 is 1652, R22 is 2002, and R23 is 2492, and R24 is 5101, R25 is 120K, and C2 is 103; Control section IC2 adopts the integrated package of LCD driving of customization band and all kinds of battery capacity test functions among Figure 11, and R17 is 100K, and C3 is 33PF, and C4 is 104; Display part LCD1 is a display screen among Figure 12, and R1, R2, R3, R4 are 510K.

During test, battery to be tested is put into corresponding battery clamp to be tested 3, display screen 1 promptly shows the capacity status of tested battery.Wherein, the cylindrical nib battery only needs direct mounting board to advance the AA/C type battery clamp 3e of AAA type battery clamp 3d, 1.5V of CR123A type battery clamp 3c, 1.5V of N type battery clamp 3b, 1.5V of CR2 type battery clamp 3a, 1.5V of the 3V shown in Fig. 1 the right and the D type battery clamp 3f test of 1.5V gets final product; When several battery clamps test of 3g, 3h, 3i, 3j, 3k and 3l button on use Fig. 1 left side, assembled battery capacity, must pin battery, electrode well be contacted, so that better finish test with hand.

Described in this instructions only is illustrating of the utility model battery capacity tester structure; the person of ordinary skill in the field can make various modifications and additional to described specific embodiment; or adopt similar mode to substitute; only otherwise depart from structure of the present utility model or surmount the defined scope of these claims, all should belong to protection domain of the present utility model.

Claims

1. battery capacity tester, it is characterized in that: comprise shell, wiring board and display screen, wiring board is cased, display location is on housing face-plate, described shell comprises loam cake and bottom, loam cake and bottom are involutory, cover on described one or more battery clamps to be tested are set, the display screen mounting hole is set on the panel of loam cake, tester power supply mounting hole is set on the described bottom, described display screen, the battery electrode contact element of battery clamp to be tested and the electrode of tester power supply all are electrically connected with wiring board, and described wiring board takes module controls to measure the circuit of battery open circuit voltage, and display screen adopts the voltage display screen.

2. battery capacity tester according to claim 1 is characterized in that: described battery clamp to be tested is one or more cylindrical nib battery clamps.

3. battery capacity tester according to claim 2 is characterized in that: described battery clamp to be tested also has one or more button shaped cell anchor clamps.

4. battery capacity tester according to claim 3 is characterized in that: described battery clamp to be tested also has one or more assembled battery anchor clamps.

5. battery capacity tester according to claim 4 is characterized in that: described tester power supply adopts the cylindrical nib battery, and described power supply mounting hole has battery cover.