CN208477049U - A kind of charger states decision maker - Google Patents

A kind of charger states decision maker Download PDF

Info

Publication number
CN208477049U
CN208477049U CN201821715359.7U CN201821715359U CN208477049U CN 208477049 U CN208477049 U CN 208477049U CN 201821715359 U CN201821715359 U CN 201821715359U CN 208477049 U CN208477049 U CN 208477049U
Authority
CN
China
Prior art keywords
pins
main control
control chip
circuit
pin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201821715359.7U
Other languages
Chinese (zh)
Inventor
陆闻杰
曹百军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Seven New Energy Technology Co Ltd
Original Assignee
Shandong Seven New Energy Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Seven New Energy Technology Co Ltd filed Critical Shandong Seven New Energy Technology Co Ltd
Priority to CN201821715359.7U priority Critical patent/CN208477049U/en
Application granted granted Critical
Publication of CN208477049U publication Critical patent/CN208477049U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

A kind of charger states decision maker, including main control chip UI, the main control chip U1 are connected separately with charger detection circuit, boost module circuit, data analysis circuit, trigger circuit and status display circuit by pin and conducting wire;By the positive terminal DC+ and anode connector DC- access charger on device, charger is detected;Main control chip U1 is set to enter working condition by the trigger circuit in device;It is collected and amplifies by electric current and voltage of the data analysis circuit to charger, the float charge voltage of charger, charging voltage, switching current and charging current are detected, guarantee the accuracy of testing result.

Description

A kind of charger states decision maker
Technical field:
The utility model relates to a kind of charger states decision makers.
Background technique:
Charger is one of production and living commonly used equipment, and main function is that continuation of the journey is provided for electrical equipment, is kept The working condition of electrical equipment.Charger mainly by a stabilized power supply plus necessary constant current, pressure limiting, in limited time, overshoot etc. control Circuit composition processed.
Charger manufacturer is to carry out standardization production using the production model of assembly line, the quantity of every batch of charger compared with Greatly, wherein a certain number of substandard products can be generated due to error and failure.
Existing decision procedure is to carry out preliminary detection to charger just with some electrical components, and detection effect is not It is enough precisely completely to come out underproof product screening, lead to the qualification rate decline of factory product, influences the normal of user It uses.
Utility model content:
The utility model in order to make up for the deficiencies of the prior art, provides a kind of charger states decision maker, and structure is set Substandard product in same batch charger rationally, can be screened completely, be not in the mistake of detection and judgement by meter Accidentally, the charger that can guarantee same batch factory is qualified products, solves problems of the prior art.
Used technical solution is the utility model to solve above-mentioned technical problem:
A kind of charger states decision maker, including main control chip UI, the main control chip U1 pass through pin and conducting wire point It is not connected with charger detection circuit, boost module circuit, data analysis circuit, trigger circuit and status display circuit;
The boost module circuit enters floating charge state for triggering charger to be measured;
The charger detection circuit is used for the institute that the electric signal of the charger to be measured is detected, and will test Electric signal transmission is stated to main control chip U1;
The main control chip U1 is by the electric signal transmission received to data analysis circuit;
The data analysis circuit carries out noise reduction and enhanced processing to the electric signal, and will be after noise reduction and enhanced processing Electric signal transmission is to status display circuit;
The status display circuit shows the electric signal received on a display screen;
Wherein, the electric signal includes at least: float charge voltage, charging voltage, switching current and charging current.
The model TM57PE11C of the main control chip U1, is equipped with eight pins on main control chip U1, and the No.1 is drawn Foot is positive pole pin, and No. two pins are the first signal pins, and No. three pins are second signal pin, and No. four pins are third Signal pins, No. five pins are current detecting pin, and No. six pins are that data transmit pin, and No. seven pins draw for voltage detecting Foot, No. eight pins are power ground pin.
The charger detection circuit includes positive terminal DC+ and anode connector DC-, is connect in positive terminal DC+ and cathode It is equipped with load circuit between head DC-, the load circuit includes load resistance R1, R2 and the R3 being in parallel with positive terminal DC+, It is respectively corresponded in load resistance R1, R2 and R3 and is in series with triode Q1, Q2 and Q3, the emitter of described triode Q1, Q2 and Q3 Ground connection setting, the base stage of described triode Q1, Q2 and Q3 pass through respectively on protective resistance R7, R8 and R9 and main control chip U1 No. two pins, No. three pins and No. four pins are corresponding connected.
Sample resistance R6 is serially connected between anode connector DC- and load circuit, positive terminal DC+ and load circuit it Between be equipped with fuse F1.
Partial pressure the specific resistance R4 and R5 being connected in series are equipped between No. seven pins of positive terminal DC+ and main control chip U1.
The data analysis circuit includes operational amplifier, the model LM358 of the operational amplifier, operational amplifier Negative input be connected with anode connector DC-, operational amplifier negative input and operational amplifier output end it Between be in series with capacitor C1 and resistance R10, pass through the resistance R16 that is in parallel in the electrode input end of operational amplifier and gone here and there with R13, mutually The R12 and R11 of connection are connected with No. five pins of main control chip, and the resistance R11 is put by capacitor C2 ground connection setting, the operation The big negative input of device is connected with No. six pins of main control chip U1, the output end and main control chip U1 of the operational amplifier It is connected.
The boost module circuit includes boost module LY1028A, and the boost module passes through boosted switch SW1 and two poles Pipe D1 is connected with positive terminal DC+, and boost module is connected with anode connector DC-.
The trigger circuit includes trigger element IC1, and the IN pin on the trigger element IC1 passes through resistance R15 and touching Hair switch SW2 is connected with the anode of a battery V1, and the cathode of the electromagnetism V1 is connected with anode connector DC-, on trigger element OUT pin is connected with the No.1 pin of main control chip U1, the GND pin of the trigger element and No. eight pins of main control chip U1 It is arranged altogether, is in series with capacitor C3 between the No.1 pin of main control chip U1 and No. eight pins.
The status display circuit includes display screen, and the anode of display screen is connected with the No.1 pin of main control chip U1, shows The cathode of display screen is connected by resistance R14 with No. six pins of main control chip U1.
The display screen is LCD display.
The utility model using the above structure, passes through positive terminal DC+ on device and anode connector DC- access charging Device detects charger;Main control chip U1 is set to enter working condition by the trigger circuit in device;It is analyzed by data Circuit is collected and amplifies to the electric current and voltage of charger, to the float charge voltage of charger, charging voltage, switching current and Charging current is detected, and guarantees the accuracy of testing result, has the advantages that easy to operate, precision is high.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the boost module of the utility model.
Specific embodiment:
Existing charger detection device only carries out Preliminary detection to charger states, only detects the charger a certain moment Transient current or voltage, and analyzed using the transient current of charger or voltage as state of the criterion to charger, due to Electric current and the such electric signal of voltage have mutability, have biggish contingency and unilateral so as to cause this analysis mode Property, data analysis inaccuracy cannot comprehensively determine the use state of charger.
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality It is described in detail with novel.
As shown in figs. 1-2, a kind of charger states decision maker, including main control chip UI, the main control chip U1 are logical It crosses pin and conducting wire is connected separately with charger detection circuit, boost module circuit, data analysis circuit, trigger circuit and state Display circuit;
Institute's boost module circuit enters floating charge state for triggering charger to be measured;
The charger detection circuit is used for the institute that the electric signal of the charger to be measured is detected, and will test Electric signal transmission is stated to main control chip U1;
The main control chip U1 is by the electric signal transmission received to data analysis circuit;
The data analysis circuit carries out noise reduction and enhanced processing to the electric signal, and will be after noise reduction and enhanced processing Electric signal transmission is to status display circuit;
The status display circuit shows the electric signal received on a display screen;
Wherein, the electric signal includes at least: float charge voltage, charging voltage, switching current and charging current.
The model TM57PE11C of the main control chip U1, is equipped with eight pins on main control chip U1, and the No.1 is drawn Foot is positive pole pin, and No. two pins are the first signal pins, and No. three pins are second signal pin, and No. four pins are third Signal pins, No. five pins are current detecting pin, and No. six pins are that data transmit pin, and No. seven pins draw for voltage detecting Foot, No. eight pins are power ground pin.
The charger detection circuit includes positive terminal DC+ and anode connector DC-, is connect in positive terminal DC+ and cathode It is equipped with load circuit between head DC-, the load circuit includes load resistance R1, R2 and the R3 being in parallel with positive terminal DC+, It is respectively corresponded in load resistance R1, R2 and R3 and is in series with triode Q1, Q2 and Q3, the emitter of described triode Q1, Q2 and Q3 Ground connection setting, the base stage of described triode Q1, Q2 and Q3 pass through respectively on protective resistance R7, R8 and R9 and main control chip U1 No. two pins, No. three pins and No. four pins are corresponding connected.
Sample resistance R6 is serially connected between anode connector DC- and load circuit, positive terminal DC+ and load circuit it Between be equipped with fuse F1.
Partial pressure the specific resistance R4 and R5 being connected in series are equipped between No. seven pins of positive terminal DC+ and main control chip U1.
The data analysis circuit includes operational amplifier, the model LM358 of the operational amplifier, operational amplifier Negative input be connected with anode connector DC-, operational amplifier negative input and operational amplifier output end it Between be in series with capacitor C1 and resistance R10, pass through the resistance R16 that is in parallel in the electrode input end of operational amplifier and gone here and there with R13, mutually The R12 and R11 of connection are connected with No. five pins of main control chip, and the resistance R11 is put by capacitor C2 ground connection setting, the operation The big negative input of device is connected with No. six pins of main control chip U1, the output end and main control chip U1 of the operational amplifier It is connected.
The boost module circuit includes boost module LY1028A, and the boost module passes through boosted switch SW1 and two poles Pipe D1 is connected with positive terminal DC+, and boost module is connected with anode connector DC-.
The trigger circuit includes trigger element IC1, and the IN pin on the trigger element IC1 passes through resistance R15 and touching Hair switch SW2 is connected with the anode of a battery V1, and the cathode of the electromagnetism V1 is connected with anode connector DC-, on trigger element OUT pin is connected with the No.1 pin of main control chip U1, the GND pin of the trigger element and No. eight pins of main control chip U1 It is arranged altogether, is in series with capacitor C3 between the No.1 pin of main control chip U1 and No. eight pins.
The status display circuit includes display screen, and the anode of display screen is connected with the No.1 pin of main control chip U1, shows The cathode of display screen is connected by resistance R14 with No. six pins of main control chip U1.
The display screen is LCD display.
In use, positive terminal DC+ and anode connector DC- are sequentially ingressed into corresponding interface in charger, to will fill Electric appliance accesses detection device;It is closed trigger switch SW2, main control chip U1 enters working condition, opens boosted switch SW1, is rising The voltage of battery V1 has 9V to boost to 30V under the action of die block, and voltage removes triggering charger, anode after the completion of triggering after boosting There is charger float charge voltage to transmit on connector DC+ and anode connector DC-, is carried by load resistance R1, R2 and R3 band, master control core Piece U1 is transferred to LCD display after obtaining voltage value by the partial pressure specific resistance R4 and R5 that are connected in series, shows charger float charge voltage Value;Main control chip U1 has second pin, third pin and the 4th pin to sequentially turn on triode Q1, Q2 and Q3, takes through overcurrent Sample resistance R6 is sequentially reduced load resistance R1, R2 and R3 to detect the charging voltage and charging current of charger, last master control core Piece U1 successively turns off triode Q3, Q2 and Q1, and charger peak power output is allowed to be transformed to floating charge state, and main control chip U1 passes through After operational amplifier LM358 reads four float charge voltage of charger, charging voltage, switching current and charging current parameters, pass It is defeated to above LCD display, show four parameters of detected charger, judge charger according to four above-mentioned parameters Structure and state it is whether qualified.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.

Claims (10)

1. a kind of charger states decision maker, it is characterised in that: including main control chip UI, the main control chip U1 passes through pin Charger detection circuit, boost module circuit, data analysis circuit, trigger circuit and status display electricity are connected separately with conducting wire Road;
The boost module circuit enters floating charge state for triggering charger to be measured;
The charger detection circuit is used for the electricity that detects, and will test to the electric signal of the charger to be measured Signal is transferred to main control chip U1;
The main control chip U1 is by the electric signal transmission received to data analysis circuit;
The data analysis circuit carries out noise reduction and enhanced processing to the electric signal, and by the telecommunications after noise reduction and enhanced processing Number it is transferred to status display circuit;
The status display circuit shows the electric signal received on a display screen;
Wherein, the electric signal includes at least: float charge voltage, charging voltage, switching current and charging current.
2. the apparatus according to claim 1, it is characterised in that: the model TM57PE11C of the main control chip U1, in master It controls chip U1 and is equipped with eight pins, No.1 pin is positive pole pin, and No. two pins are the first signal pins, No. three pins For second signal pin, No. four pins are third signal pins, and No. five pins are current detecting pin, and No. six pins are data biography Defeated pin, No. seven pins are voltage sense pin, and No. eight pins are power ground pin.
3. the apparatus of claim 2, it is characterised in that: the charger detection circuit include positive terminal DC+ and Anode connector DC-, is equipped with load circuit between positive terminal DC+ and anode connector DC-, and the load circuit includes and anode Load resistance R1, R2 and R3 that connector DC+ is in parallel, respectively correspond in load resistance R1, R2 and R3 and are in series with triode Q1, Q2 And Q3, the emitter of described triode Q1, Q2 and Q3 are grounded setting, the base stage of described triode Q1, Q2 and Q3 pass through respectively Protective resistance R7, R8 and R9 on main control chip U1 No. two pins, No. three pins and No. four pins it is corresponding be connected.
4. device according to claim 3, it is characterised in that: be serially connected with and take between anode connector DC- and load circuit Sample resistance R6 is equipped with fuse F1 between positive terminal DC+ and load circuit.
5. device according to claim 3, it is characterised in that: in No. seven pins of positive terminal DC+ and main control chip U1 Between be equipped with the partial pressure specific resistance R4 and R5 that are connected in series.
6. device according to claim 3, it is characterised in that: the data analysis circuit includes operational amplifier, described The negative input of the model LM358 of operational amplifier, operational amplifier are connected with anode connector DC-, in operational amplifier Negative input and operational amplifier output end between be in series with capacitor C1 and resistance R10, in the anode of operational amplifier Input terminal passes through the resistance R16 and R13 that are in parallel, the R12 being connected in series and R11 and is connected with No. five pins of main control chip, described Resistance R11 passes through capacitor C2 ground connection setting, No. six pin phases of the negative input and main control chip U1 of the operational amplifier Even, the output end of the operational amplifier is connected with main control chip U1.
7. device according to claim 3, it is characterised in that: the boost module circuit includes boost module LY1028A, The boost module is connected by boosted switch SW1 and diode D1 with positive terminal DC+, boost module and anode connector DC- It is connected.
8. device according to claim 3, it is characterised in that: the trigger circuit includes trigger element IC1, the triggering IN pin on element IC1 is connected by resistance R15 and trigger switch SW2 with the anode of a battery V1, and the battery V1's is negative Pole is connected with anode connector DC-, and the OUT pin on trigger element is connected with the No.1 pin of main control chip U1, the triggering member The GND pin of part and No. eight pins of main control chip U1 are arranged altogether, the No.1 pin of main control chip U1 and No. eight pins it Between be in series with capacitor C3.
9. device according to claim 3, it is characterised in that: the status display circuit includes display screen, display screen Anode is connected with the No.1 pin of main control chip U1, and the cathode of display screen passes through No. six pins of resistance R14 and main control chip U1 It is connected.
10. device according to claim 9, it is characterised in that: the display screen is LCD display.
CN201821715359.7U 2018-10-22 2018-10-22 A kind of charger states decision maker Active CN208477049U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821715359.7U CN208477049U (en) 2018-10-22 2018-10-22 A kind of charger states decision maker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821715359.7U CN208477049U (en) 2018-10-22 2018-10-22 A kind of charger states decision maker

Publications (1)

Publication Number Publication Date
CN208477049U true CN208477049U (en) 2019-02-05

Family

ID=65208670

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821715359.7U Active CN208477049U (en) 2018-10-22 2018-10-22 A kind of charger states decision maker

Country Status (1)

Country Link
CN (1) CN208477049U (en)

Similar Documents

Publication Publication Date Title
CN105375572A (en) Intelligent detection device for electric automobile AC charging pile
CN206618845U (en) Power supply module for communication test system
CN201145719Y (en) Device for testing insulation resistance of lithium ion battery pole group
CN104133149B (en) A kind of voltage acquisition line Beam Detector
CN208477049U (en) A kind of charger states decision maker
CN201514470U (en) Switch power supply testing instrument
CN202110236U (en) Storage battery polarity detection and alarm device
CN103777137B (en) Electronic circuit breaker with self-checking function and self-diagnosis method thereof
CN205404719U (en) Mutual -inductor common return multipoint earthing detector
CN201237633Y (en) Battery tester
CN201037857Y (en) Device for testing output current of charger
CN203396921U (en) Multi-load voltage switch power test device
CN201293815Y (en) Apparatus for detecting zero/live wire polarity and testing ground resistance
CN103116126B (en) Automatic testing platform of service life of temperature relay
CN203037819U (en) Platform for automatically testing life of temperature relay
CN104198839B (en) A kind of mobile terminal transmission line electric performance test device
CN107861015A (en) BMS wiring testing devices and method
CN203405560U (en) A switching power supply testing apparatus
CN213689911U (en) Automatic detection device for on-off of ignition channel
CN103105580B (en) A kind of temperature relay life-span tester
CN203037820U (en) Temperature relay service lifetime tester
CN208984752U (en) A kind of overvoltage diagnosis mobile phone remote monitoring device of partial discharge simulator
CN213517457U (en) Convenient detection circuitry of relay power and device
CN205280875U (en) Communication cable detection device
CN209562189U (en) Charged state indicating circuit, circuit board and the adapter of adapter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant