CN204190446U

CN204190446U - A kind of accumulator routing inspection circuit

Info

Publication number: CN204190446U
Application number: CN201420665566.1U
Authority: CN
Inventors: 张培龙; 陈贵主
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-11-10
Filing date: 2014-11-10
Publication date: 2015-03-04
Anticipated expiration: 2024-11-10

Abstract

The utility model discloses a kind of accumulator routing inspection circuit, comprise three-terminal voltage-stabilizing circuit, bleeder circuit and comparison circuit; The voltage that power supply VCC inputs is by delivering to one end of comparator circuit respectively as reference voltage after three-terminal voltage-stabilizing circuit and bleeder circuit, the voltage that storage battery exports sends to the other end of comparator circuit, by comparator circuit, detection signal is flowed to single-chip microcomputer.The utility model circuit structure is simple, components and parts used are few, save great amount of cost, integrated level is high, can be made into portable, portably uses whenever and wherever possible, single pole multiple throw is used to carry out the switching of storage battery, closing by switch S when not using, greatly reducing the time that circuit connected by storage battery, adding the life-span of storage battery.

Description

A kind of accumulator routing inspection circuit

Technical field

The utility model relates to a kind of routing inspection circuit, and specifically a kind of structure is simple, consumes energy low, the accumulator routing inspection circuit that integrated level is high.

Background technology

Accumulator checking technology all in the market generally uses optically coupled circuit to be connected on the main circuit of storage battery, to batteries uninterrupted power supply, the monitoring to storage battery is carried out by the feedback signal of optically coupled circuit, the useful life of storage battery generally only has 3 years, repeat discharge and recharge number of times and only have hundreds of, therefore this mode easily causes the life of storage battery to reduce, extra economic loss is brought to user, and the general volume of existing logging is larger, cost is higher, uses inconvenience.

Utility model content

It is simple that the purpose of this utility model is to provide a kind of structure, and consume energy low, the accumulator routing inspection circuit that integrated level is high, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the utility model provides following technical scheme:

A kind of accumulator routing inspection circuit, comprises three-terminal voltage-stabilizing circuit, bleeder circuit and comparison circuit composition; Three-terminal voltage-stabilizing electricity router chip M, diode T1, diode T2, electric capacity C1, electric capacity C2 and resistance R3 form, bleeder circuit is made up of resistance R2, resistance R4, resistance R5, resistance R7, comparison circuit is made up of chip IC 1, chip IC 2, chip IC 3, chip IC 4, chip IC 5, and the voltage from anode collection is delivered to the other end of comparator circuit by comparison circuit;

The negative pole of storage battery E1 connects the positive pole of storage battery E2 and 2 pin of hilted broadsword four-throw switch S, the positive pole of storage battery E1 connects 1 pin of hilted broadsword four-throw switch S, 3 pin of hilted broadsword four-throw switch S connect the negative pole of storage battery E2 and the positive pole of storage battery E3, 4 pin of hilted broadsword four-throw switch S connect the negative pole of storage battery E3 and the positive pole of storage battery E4, the cutter head contact resistance R8 of hilted broadsword four-throw switch S, resistance R9, resistance R10, resistance R11 and resistance R12, the other end of resistance R8 connects 2 pin of chip IC 1, the other end of resistance R9 connects 2 pin of chip IC 2, the other end of resistance R10 connects 2 pin of chip IC 3, the other end of resistance R11 connects 2 pin of chip IC 4, the other end of resistance R12 connects 2 pin of chip IC 5, 1 pin contact resistance R1 of chip IC 1, 3 pin of chip IC 1 connect single-chip microcomputer PIC16F876, 2 pin contact resistance R2 of chip IC 2 and resistance R4, 3 pin of chip IC 2 connect single-chip microcomputer PIC16F876, 2 pin contact resistance R5 of chip IC 3 and the other end of resistance R4, 3 pin of chip IC 3 connect single-chip microcomputer PIC16F876, 2 pin contact resistance R7 of chip IC 4 and the other end of resistance R5, 3 pin of chip IC 4 connect single-chip microcomputer PIC16F876, the negative pole of 2 pin storage battery E4 of chip IC 5 ground connection, 3 pin of chip IC 5 connect single-chip microcomputer PIC16F876, the other end contact resistance R3 of resistance R1, the positive pole of diode T1, 3 pin of chip M, the negative pole of diode T2 and the other end of resistance R2, 2 pin of chip M connect electric capacity C2, the positive pole of diode T2 and the other end of resistance R3, 1 pin of chip M connects electric capacity C1, the negative pole of diode T1 and power supply VCC, the other end contact resistance R6 of electric capacity C2, the other end of the other end contact resistance R7 of resistance R6 and electric capacity C1 ground connection.

As further scheme of the present utility model: described chip M is that Voltagre regulator rectified by lm317 type adjustable 3.

As further scheme of the present utility model: described chip IC 1 ~ IC5 is LM339 type voltage comparator.

Compared with prior art, the beneficial effects of the utility model are: circuit structure is simple, components and parts used are few, save great amount of cost, integrated level is high, can be made into portable, portably use whenever and wherever possible, single pole multiple throw is used to carry out the switching of storage battery, close by switch S when not using, greatly reduce the time that circuit connected by storage battery, add the life-span of storage battery, use the multiple abnormal conditions of 5 LM339 type voltage comparators to battery pack all to make significant response.

Accompanying drawing explanation

Fig. 1 is accumulator routing inspection circuit schematic diagram.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Refer to Fig. 1, in the utility model embodiment, a kind of accumulator routing inspection circuit, comprises three-terminal voltage-stabilizing circuit, bleeder circuit and comparison circuit composition; Three-terminal voltage-stabilizing electricity router chip M, diode T1, diode T2, electric capacity C1, electric capacity C2 and resistance R3 form, bleeder circuit is made up of resistance R2, resistance R4, resistance R5, resistance R7, comparison circuit is made up of chip IC 1, chip IC 2, chip IC 3, chip IC 4, chip IC 5, and the voltage from anode collection is delivered to the other end of comparator circuit by comparison circuit;

Chip M is that Voltagre regulator rectified by lm317 type adjustable 3, and chip IC 1 ~ IC5 is LM339 type voltage comparator.

Operation principle of the present utility model is: by circuit two ends access batteries, storage battery is switched by hilted broadsword four-throw switch S, the voltage that storage battery exports passes through by resistance R2, resistance R4, resistance R5, after the bleeder circuit dividing potential drop that resistance R7 forms, as reference voltage, deliver to by one end of comparator IC1 ~ IC5 respectively, by LM317, diode T1, diode T2, electric capacity C1, the voltage of power supply VCC is delivered to the other end of comparator circuit by the three-terminal voltage-stabilizing circuit that electric capacity C2 and resistance R3 forms, from the level state of the output of each comparator, comparator IC1 carries out zero load to storage battery and detects, comparator IC2 is full of detection to storage battery, comparator IC3 carries out discharge examination to storage battery, comparator IC4 carries out fault detect to storage battery, comparator IC5 carries out reversal connection detection to storage battery.These status signals as detection signal, then send PIC16F876 back to, control charge-discharge circuit work, and indicate battery status by PIC16F876.

Claims

1. an accumulator routing inspection circuit, comprises three-terminal voltage-stabilizing circuit, bleeder circuit and comparison circuit composition; It is characterized in that, described three-terminal voltage-stabilizing electricity router chip M, diode T1, diode T2, electric capacity C1, electric capacity C2 and resistance R3 form, described bleeder circuit is made up of resistance R2, resistance R4, resistance R5, resistance R7, described comparison circuit is made up of chip IC 1, chip IC 2, chip IC 3, chip IC 4, chip IC 5, and the voltage from anode collection is delivered to the other end of comparator circuit by comparison circuit;

2. a kind of accumulator routing inspection circuit according to claim 1, is characterized in that, described chip M is that Voltagre regulator rectified by lm317 type adjustable 3.

3. a kind of accumulator routing inspection circuit according to claim 1, is characterized in that, described chip IC 1 ~ IC5 is LM339 type voltage comparator.