CN2312539Y

CN2312539Y - Portable testing instrument for cell of battery of mobile telephone set

Info

Publication number: CN2312539Y
Application number: CN97225268U
Authority: CN
Inventors: 茅理钦
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-06-17
Filing date: 1997-06-17
Publication date: 1999-03-31
Anticipated expiration: 2007-06-17

Abstract

The utility model relates to a portable testing instrument for batteries of mobile telephone sets, which is suitable for the testing and charging of the batteries of mobile telephone sets for production plants, stores and individuals. The utility model is composed of an inserting part of mobile telephone batteries which comprises connecting contacts, a spring, a shaft nail, a pressing plate, a resetting block, a resetting button, a location base, a battery socket, etc. switches comprising a conversion switch and a selection switch, push buttons comprising a zero resetting button and an energization button, indicator lamps comprising an energization indicator lamp, a charging indicator lamp and a discharging indicator lamp, a display screen for electric current and voltage, a display screen for capacitance and a circuit board which comprises mainly a power circuit, a display circuit, a detection circuit of constant current charging and discharging and a housing. The utility model has the advantages of small structure, convenient carrying, low cost, reliable and stable operation, etc.

Description

The Portable mobile phone battery tester

The utility model relates to a kind of battery of mobile phone detector, is a kind of portable battery of mobile phone detecting instrument, is applicable to the combine detection of dispatching from the factory of battery production factory, is specially adapted to the purchase of shop and personal mobile phone battery and detection or the charging in the use.

The battery of mobile phone detector that only has at present manufacturer to use, it is a kind of large-scale cabinet type battery of mobile phone detector, it costs an arm and a leg and benzene weighs, and is unsuitable for shop and individual's use.

In order to address the above problem, the utility model provides that a kind of use is simple, convenient, low-cost Portable mobile phone battery tester.

Task of the present utility model is finished like this:

It is to comprise connecting terminal by battery of mobile phone Plug Division branch, spring and axle nail, pressing plate, resetting block, reset button and positioning seat, battery socket etc.; Switch, button, indicator light comprise electric current, voltage change-over switch, cut-ff voltage selector switch, discharge, battery charging switch, discharging current selector switch; Grafting battery button, display return-to-zero button, relay power button; Electromotion pilot lamp, charging indicator light, discharge indicator light; Display screen comprises electric current, voltage display screen, capacitance display screen; Circuit board comprises power circuit, display circuit, and constant current charge testing circuit, constant-current discharge testing circuit and housing constitute.

Fig. 1 is a right side cross-sectional view, and Fig. 2 is a vertical view, and Fig. 3 is the A-A cutaway view ledge of display screen (omit) of Fig. 2, and Fig. 4 is the elevational schematic view of removing behind the base plate, and Fig. 5 is circuit theory diagrams.

In conjunction with the accompanying drawings structure of the present utility model and embodiment are described as follows:

The utility model be by:

1, battery of mobile phone grafting part, the three kinds of batteries of mobile phone of pegging graft respectively: 1) grafting Motolora mobilephone battery: comprise 3 connecting terminals 7, spring 8 bottoms are bearing on the spring bearer plate 9 that is fixed on plastic housing 1 axle sleeve, 7 step upper surfaces, contact lean against on the shell 1, the lower surface is pressed on the spring 8, during detection along E to the Motolora mobilephone battery being injected on two battery sockets 10, contact 7 and battery of mobile phone conducting; 2) grafting Ericsson battery of mobile phone: comprise and battery in place groove 11, button 12 is fixed on 4 contacts 14 of one, 12 times dull and stereotyped two sides of button and be abutted against with two limiting plates 13 that housing 1 is connected as a single entity, upper surface and the 12 times flat boards of button of spring 15 on the axle nail 16 are abutted against, resetting block 17 is trapezoidal along the cross section of the direction of motion, be convenient to push open the limiting plate 13 on both sides, be movingly with the hole of 17 reset button that are connected 18 by back-moving spring and positioning seat 19, button 18 radially is plugged with an alignment pin 30 at the inwall place of shell 1, the elongated slot 32 of an indent is set, to block battery of mobile phone in the middle of the outside, upper left side of shell; 3) grafting Nokia battery of mobile phone: comprise 2 battery sockets 20,

button

21,4 contacts 22, spring 23, limiting plate 24, socket, button, contact, limiting plate are fixed with one, spring 25 on the axle nail 28,21 times flat boards of its upper surface and button are abutted against, resetting block 26 is trapezoidal along direction of motion cross section, and the button 29 that is connected with it is movingly by the hole of back-moving spring and positioning seat 27, and button 29 upper end edges radially are plugged with an alignment pin 31, both sides, the outside, upper left side at shell are provided with one section channled rail 33 respectively, with grafting Nokia battery of mobile phone.

2, switch, button, indicator light: panel is provided with button F 1, F2, K switch 1, K2, K3, K4, power supply, charging and discharge examination indicator light LE1, LE2, LE3.

3, display screen comprises electric current, voltage display screen 2, capacitance display screen 3.

4, circuit board 4 is connected with shell 1, comprising: 1) power circuit 1 ': mainly comprise bridge rectifier filter circuit, pressurizer LM1 7805 chips, inverter ic 0 4069 chips, input～8V voltage, output+5V ,-the 5V voltage of voltage regulation, input～12V voltage, through bridge rectifier filter circuit, pressurizer LM2 317 chips, output+10V voltage is extracted one the tunnel out and is connected pressurizer LM3 7805 chips output voltage stabilizing+5V, circuit working, electromotion pilot lamp LE1 is bright; 2) current/voltage display circuit 2 ': mainly comprise display led 1, double integration A/D converter IC1 7107 chips, the treated direct driving of electric current, voltage analog data of battery is total to anode LED1 display, change over switch K1 upwards, resistance R 4, R6 are in parallel with battery E, carry out voltage detecting, and K1 is downward, resistance R 5 is connected with battery E, carries out current detecting; 3) capacitance display circuit 3 ': mainly comprise display led 2, precision oscillator IC2 4060 or 7555 chips, D end+5V voltage directly gives display led 2 power supplies, oscillator signal through IC2 output connects frequency divider IC3 4017 or 4522 chips by 3 pin, driver connected IC4-IC7 40110 of output frequency division signal or 4029 chips, drive common cathode display led 2, LED1 works all the time; 4) constant current charge testing circuit 4 ': mainly comprise and filling, discharge change over switch K3, model is the triode BG1 of 3AD6, model is the constant current special chip IC 8 of MAx2003, constant current charge indicator light LE2, K3 puts the charging shelves, + 10V connects the BG1 emitter, 14 pin of IC8 connect the BG1 base stage, and its collector electrode output is given battery E charging by C17, and battery temperature converts 7 pin that voltage signal enters IC8 to through thermistor, by 5 of IC8, the output of 6 foot control systems, 14 pin, thereby make the BG1 conducting or end, controlled the charging of battery or stopped charging, charging when No. 8 foot control is formulated, indicator light LE2 goes out when being full of electricity, the expression charging finishes, and K switch 4-2 is the change over switch of the constant current charge magnitude of current, serial connection diode D on battery E, play the reverse-phase protection effect, battery of mobile phone has electric current to enter detector when preventing to have a power failure; 5) the constant-current discharge circuit 5: mainly comprise change over switch K3-1, K3-3 is transformed into the constant-current discharge circuit, and cut-ff voltage selector switch K2 can select 5.9V or 5.0V cut-ff voltage, potentiometer RP6 can change into any cut-ff voltage, and constant-current discharge current selected switch K4-3, RP8-RP11 are constant-current discharge resistance, return-to-zero button F 1, power-on button F2, model is 317 pressurizer LM4, model is 8556 speed-sensitive switch TWH, relay J 0, J1, J2 etc., press F1, F2, J2 adhesive, contact J21 closure, constant-current discharge is carried out in battery E and LM4 conducting, LE3 is bright for the discharge indicator light, the J1 adhesive, and J0 disconnects, capacitance display conducting work, arrived cut-ff voltage, TWH work, J2 discharges, stop constant-current discharge, J1 discharges, J0 conducting electricity, and the capacity display quits work.

The course of work is as follows: (is example with Nokia's battery of mobile phone)

Press button 12, the downward limited plate of 12 following flat board 13 is spacing, location notch 11, contact 14 is all below the upper casing surface, press button 29, spring 25 ejects contact 22, and Nokia's battery of mobile phone inserts battery socket 20 from the F direction, snap in the channled rail 33, contact 22 and battery of mobile phone conducting, the bright constant current charge state that enters automatically of LE2 is stirred K3, press F1, F2 is pressed in return-to-zero, J2, the J1 conducting, the 3 ' conducting of capacitance display circuit, entering constant-current discharge detects, LE3 is bright, and the battery capacity display screen enters the work of capacity counting, to the selected discharge cut-off voltage of K2, just stop constant-current discharge automatically, the capacity of curtage test just remains on

display screen

2 and 3 respectively.

Stir K3, data just disappear on the display screen, and the LE2 indicator light is bright should to enter constant current charge work automatically, and after timing arrived set point, indicator light LE2 went out, and just enter the slip-stream charging.

After tested, the performance index that this detector can reach are: measuring range: voltage 0～9.99V, electric current 0～999mA, capacitance 0～9999mAh; Speed: charging 200mA/h, 400mA/h, 600mA/h, 800mA/h, discharge 112mA/h, 225mA/h, 450mA/h, 900mA/h; Discharge cut-off voltage 5V, 5.9V; The about 0.3kg of weight; About 13cm * the 12cm of overall dimension * 5cm.

The utility model has the advantages that: structure is small and exquisite, is easy to carry, and working stability is reliable, and cost is low The plug connector that is provided with three kinds of batteries of mobile phone commonly used is particularly suitable for shop and individual's use.

Claims

1, a kind of Portable mobile phone battery tester, it is characterized in that, it is by 1. battery of mobile phone grafting part: 1) grafting Motolora mobilephone battery: comprise 3 connecting terminals (7), spring (8) bottom is bearing on the spring bearer plate (9) that is fixed on plastic housing (1) axle sleeve, step upper surface, contact (7) leans against on the shell (1), and the lower surface is pressed in spring (8) and goes up and two battery sockets (10); 2) grafting Ericsson battery of mobile phone: comprise and battery in place groove (11), button (12) is fixed on 4 contacts (14) of one, dull and stereotyped two sides and be abutted against under the button with two limiting plates (13) that shell (1) is connected as a single entity, the upper surface of the spring (15) on the axle nail (16) and button (12) flat board down are abutted against, resetting block (17) is trapezoidal along the cross section of the direction of motion, the reset button (18) that is connected with resetting block (17) is movingly by the hole of back-moving spring and positioning seat (19), button (18) radially is plugged with an alignment pin (30) at the inwall place of shell (1), and the elongated slot (32) of an indent is set in the middle of the outside, upper left side of shell; 3) grafting Nokia battery of mobile phone: comprise two battery sockets (20), button (21), 4 contacts (22), spring (23), limiting plate (24), socket, button, the contact, limiting plate is fixed with one, spring (25) on the axle nail (28) and button (21) flat board down are abutted against, resetting block (26) is trapezoidal along direction of motion cross section, the button that is connected with it (29) is movingly by the hole of back-moving spring and positioning seat (27), button (29) upper end edge radially is plugged with an alignment pin (31), on the both sides, the outside, upper left side of shell one section channled rail (33) is set respectively.

2., switch, button, indicator light: the panel of shell is provided with button (F1, F2), switch (K1, K2, K3, K4), power supply, charging and discharge indicator light (LE1, LE2, LE3).

3., display screen: comprise electric current, voltage display screen (2), capacitance display screen (3).

4., circuit board (4) and shell (1) be connected, and comprises 1) power circuit (1 '): mainly comprise bridge rectifier filter circuit, pressurizer (LM1), inverter (ICO); Bridge rectifier filter circuit, pressurizer (LM2), pressurizer (LM3), electromotion pilot lamp (LE1); 2) electric current, voltage display circuit (2 '): mainly comprise display (LED1), double integration A/D converter (IC1), electric current, voltage change-over switch (K1), the parallel resistance of battery (E) (R4, R6), series resistance (R5); 3) capacitance display circuit (3 '): mainly comprise display (LED2), precision oscillator (IC2), frequency divider (IC3), driver (IC4-IC7); 4) constant current charge testing circuit (4 '): mainly comprise discharging and recharging change over switch (k3), triode (BG1), constant current special chip (IC8), charging indicator light (LE2), charging capacitor (C17), the change over switch of charging current amount (K4-2) is gone up a protection of serial connection diode (D) at battery (E); 5) constant-current discharge circuit (5 '): mainly comprise charge and discharge change over switch (K3-1, K3-3), cut-ff voltage change over switch (K2), constant-current discharge current selected switch (K4-3), return-to-zero button (F1), power-on button (F2), pressurizer (LM4), speed-sensitive switch (TWH), relay (J0, J1, J2).

2, by the described battery of mobile phone detector of claim 1, it is characterized in that the model of electrical equipment chip is as follows: LM1:7805, IC0:4069, LM2:317, LM3:7805, IC1:7107, IC2:4060,7555, IC3:4017,4522, IC4-IC7:40110,4029, BG1:3AD6, IC8:MAX2003, LM4:317, TWH:8556.