CN206248800U - A kind of battery detection circuit - Google Patents
A kind of battery detection circuit Download PDFInfo
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- CN206248800U CN206248800U CN201621342797.4U CN201621342797U CN206248800U CN 206248800 U CN206248800 U CN 206248800U CN 201621342797 U CN201621342797 U CN 201621342797U CN 206248800 U CN206248800 U CN 206248800U
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Abstract
The utility model provides a kind of battery detection circuit, including：Voltage test module, input is connected with battery；Missing detection module, including missing detection unit and missing test cell, the missing detection unit are serially connected between the missing test cell and the battery；By simple discrete component, the various states of battery can be effectively detected, it is not only simple and reliable and economical and practical.
Description
Technical field
The utility model is related to battery detecting field, more particularly to a kind of battery detection circuit.
Background technology
With the progress of science and technology, electronic product is increasingly widely used in family and office, and many electricity
Sub- product can all use battery as power-supply device.
In the car, in addition to conventional batteries, it is further typically provided with reserve battery as power-supply device usually using battery
As Emergency use.Due to reserve battery and it is not frequently used, easily various problems occurs because of long-term idle so that should
Cannot be used on the contrary when suddenly using, it is therefore desirable to which a kind of battery detection circuit is provided, detect whether the state of reserve battery is normal.
Utility model content
The technical problems to be solved in the utility model is for weak point of the prior art, there is provided a kind of battery inspection
Slowdown monitoring circuit.By simple discrete component, the various states of battery can be effectively detected, it is not only simple and reliable and economical
Material benefit.
The technological means that the utility model solves technical problem use is to provide a kind of battery detection circuit, including：Voltage
Test module, input is connected with battery；Missing detection module, including missing detection unit and missing test cell, it is described to lack
Detection unit is lost to be serially connected between the missing test cell and the battery；The missing test cell includes the one or three pole
Pipe, the second triode, first resistor, second resistance, 3rd resistor, the first electric capacity, the second electric capacity and it is separately positioned on described
The first bigoted circuit and the second bigoted circuit on one triode and second triode；The base stage of first triode with
The output end of the voltage test module is connected, and emitter stage is connected with the first test output terminal, and colelctor electrode and the 3rd test are exported
End is connected；The base stage of second triode is connected with the colelctor electrode of first triode, emitter ground connection, colelctor electrode and the
Two test output terminals are connected；The first resistor is series at the base stage of first triode and the current collection of second triode
Between pole；The second resistance is series between the colelctor electrode of the emitter stage of first triode and second triode；
One end of the 3rd resistor is connected with the emitter stage of first triode, one end phase of the other end and second electric capacity
Even, the other end of second electric capacity is connected with the colelctor electrode of second triode；One end of first electric capacity with it is described
The base stage of the first triode is connected, other end ground connection.
In the battery detection circuit that the utility model is provided, the first bigoted circuit includes the first bigoted resistance and the
Two bigoted resistance, the second bigoted circuit includes the 3rd bigoted resistance and the 4th bigoted resistance；The first bigoted resistance connects
It is connected between the output end of the base stage of first triode and the missing detection module, the second bigoted resistance is connected to
Between the base stage and emitter stage of first triode；The 3rd bigoted resistance is connected to the colelctor electrode of first triode
And the base stage of second triode between, the 4th bigoted resistance is connected to the base stage and emitter stage of second triode
Between.
In the battery detection circuit that the utility model is provided, the missing test cell also includes the first safety electricity
Resistance and the second safe Resistance, first safe Resistance be connected to institute the colelctor electrode of the second triode and it is described second test export
Between end, second safe Resistance is connected between the colelctor electrode of first triode and the 3rd test output terminal.
In the battery detection circuit that the utility model is provided, first triode is PNP type triode, described second
Triode is NPN type triode.
In the battery detection circuit that the utility model is provided, the missing detection unit includes the first detection resistance, the
Two detection resistances and the 3rd detection resistance；First detection resistance is connected to the missing input of test cell and described
Between battery；Second detection resistance and the 3rd detection resistance connect latter section and it is described missing test cell input
End is connected, other end ground connection.
In the battery detection circuit that the utility model is provided, the voltage test module includes the first test resistance, the
Two test resistances, voltage regulation unit and switch element；First test resistance is connected to the battery and the second test electricity
Between resistance；One end of second test resistance is connected with first test resistance, and the one of the other end and the voltage regulation unit
End is connected；One end of the voltage regulation unit is connected with the input of the switch element, other end ground connection；The switch element
Input is connected with the output end of the voltage test module, the first output end connection external stabilized power, the second output termination
Ground.
In the battery detection circuit that the utility model is provided, the voltage regulation unit includes voltage regulation resistance and electric capacity of voltage regulation,
One end is connected with the output end of the voltage test module after the voltage regulation resistance and electric capacity of voltage regulation parallel connection, another termination
Ground.
In the battery detection circuit that the utility model is provided, the switch element includes the first diode and the two or two pole
Pipe, the positive pole of first diode with the negative pole of the second diode be connected, the positive pole of first diode is steady with outside
Voltage source is connected, the plus earth of second diode；The input of the switch element is connected to first diode
Positive pole and the negative pole of second diode between.
Implement the utility model in battery detection circuit have the advantages that,
By simple discrete component, the various states of battery can be effectively detected, it is not only simple and reliable and economical
Material benefit.
Brief description of the drawings
Fig. 1 is shown as the electrical block diagram of battery detection circuit in the utility model.
The realization of the utility model purpose, functional characteristics and advantage will be described further referring to the drawings in conjunction with the embodiments.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and implementation
Example, is further elaborated to the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model, is not used to limit the utility model.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
As shown in figure 1, Fig. 1 is shown as the electrical block diagram of battery detection circuit in the utility model.This practicality is new
Type provides a kind of battery detection circuit, including：Voltage test module 1, input is connected with battery；Missing detection module 2, including
Missing detection unit 21 and missing test cell 22, missing detection unit 21 are serially connected between missing test cell 22 and battery；
Missing test cell 22 include the first triode Q1, the second triode Q2, first resistor R1, second resistance R2,3rd resistor R3,
First electric capacity C1, the second electric capacity C2 and the first bigoted circuit and second being separately positioned on the first triode and the second triode
Bigoted circuit；The base stage of the first triode Q1 is connected with the output end of voltage test module 1, emitter stage and the first test output terminal
A is connected, and colelctor electrode is connected c with the 3rd test output terminal；The colelctor electrode phase of the base stage of the second triode Q2 and the first triode Q1
Even, emitter ground connection, colelctor electrode is connected with the second test output terminal b；First resistor R1 is series at the base stage of the first triode Q1
And the colelctor electrode of the second triode Q2 between；Second resistance R2 is series at the emitter stage and the second triode Q2 of the first triode Q1
Colelctor electrode between；One end of 3rd resistor R3 is connected with the emitter stage of the first triode Q1, the other end and the second electric capacity C2's
One end is connected, and the other end of the second electric capacity C2 is connected with the colelctor electrode of the second triode Q2；One end and first of first electric capacity C1
The base stage of triode Q1 is connected, other end ground connection.Preferably, the size of the first electric capacity C1 is 1NF, and the size of the second electric capacity C2 is
330NF, the size of first resistor R1, second resistance R2 and 3rd resistor R3 is followed successively by 470K, 10K and 100K.Described first surveys
Examination output end a is used for detecting the battery loss pulse voltage of output, and battery is damaged when the second test output terminal b is used for detecting high-low pressure
Dead electricity pressure, the 3rd test output terminal c is used for detecting the output of battery.
In an embodiment of the present utility model, the first bigoted circuit includes the first bigoted resistance RL1 and the second bigoted electricity
Resistance RL2, the second bigoted circuit includes the 3rd bigoted resistance RL3 and the 4th bigoted resistance RL4；First bigoted resistance RL1 is connected to
Between the base stage of the first triode Q1 and the output end of voltage test module 1, the second bigoted resistance RL2 is connected to the first triode
Between the base stage and emitter stage of Q1；3rd bigoted resistance RL3 is connected to the colelctor electrode and the second triode Q2 of the first triode Q1
Base stage between, the 4th bigoted resistance RL4 is connected between the base stage of the second triode Q2 and emitter stage.
In an embodiment of the present utility model, missing test cell 22 also includes the peaces of the first safe Resistance RS1 and second
Impedance RS2, the first safe Resistance RS1 be connected between the colelctor electrode of the second triode Q2 and the second test output terminal b,
Two safe Resistance RS2 are connected between the colelctor electrode of the first triode Q1 and the 3rd test output terminal c.Preferably, the first safety
The size of resistance RS1 and the second safe Resistance RS2 is respectively 100K and 10K.
Further, the first triode Q1 is PNP type triode, and the second triode Q2 is NPN type triode.
In an embodiment of the present utility model, missing detection unit 21 includes the first detection resistance RJ1, the second detection electricity
Resistance RJ2 and the 3rd detection resistance RJ3；First detection resistance RJ1 is connected between the input of missing test cell 21 and battery；
Second detection resistance RJ2 and the 3rd detection resistance RJ3 connect latter section and are connected with the input for lacking 21 yuan of test list, the other end
Ground connection.Preferably, the first detection resistance RJ1, the size of the second detection resistance RJ2 and the 3rd detection resistance RJ3 be respectively 200K,
22K and 22K.
In an embodiment of the present utility model, voltage test module 1 includes the first test resistance RC1, the second test electricity
Resistance RC2, voltage regulation unit 11 and switch element 12；First test resistance RC1 is connected between battery and the second test resistance RC2；
One end of second test resistance RC2 is connected with the first test resistance RC1, and the other end is connected with one end of voltage regulation unit 11；Voltage stabilizing
One end of unit 11 is connected with the input of switch element 12, other end ground connection；The input and voltage tester of switch element 12
The output end of module 1 is connected, the first output end connection external stabilized power, the second output head grounding.Preferably, the first test electricity
The size for hindering RC1 and the second test resistance RC2 is respectively 200K and 100K.
In an embodiment of the present utility model, voltage regulation unit 11 includes voltage regulation resistance Rw and electric capacity of voltage regulation Cw, voltage stabilizing electricity
One end is connected with the output end of voltage test module 1 after resistance Rw and electric capacity of voltage regulation Cw parallel connections, other end ground connection.Preferably, voltage stabilizing
The size of resistance Rw and electric capacity of voltage regulation Cw is respectively 10K and 1UF.
In an embodiment of the present utility model, switch element 12 includes the first diode D1 and the second diode D2, the
The positive pole of one diode D1 with the negative pole of the second diode D2 be connected, positive pole and the external stabilized power phase of the first diode D1
Even, the plus earth of the second diode D2；The input of switch element 12 is connected to the positive pole and the two or two of the first diode D1
Between the negative pole of pole pipe D2.Preferably, the voltage that external stabilized power is provided is 1.35V.
In sum, the battery detection circuit that the utility model is provided, by simple discrete component, can effectively examine
The various states of battery are surveyed, it is not only simple and reliable and economical and practical.With commercial exploitation very high and the value promoted.
Embodiment of the present utility model is described above in conjunction with accompanying drawing, but the utility model is not limited to
The specific embodiment stated, above-mentioned specific embodiment is only schematical, rather than restricted, this area it is common
Technical staff is not departing from the utility model objective and scope of the claimed protection situation under enlightenment of the present utility model
Under, many forms can be also made, these are belonged within protection of the present utility model.
Claims (8)
1. a kind of battery detection circuit, it is characterised in that including：
Voltage test module, input is connected with battery；
Missing detection module, including missing detection unit and missing test cell, the missing detection unit are serially connected in described lacking
Lose between test cell and the battery；
The missing test cell includes the first triode, the second triode, first resistor, second resistance, 3rd resistor, first
Electric capacity, the second electric capacity and the first bigoted circuit and second being separately positioned on first triode and second triode
Bigoted circuit；The base stage of first triode is connected with the output end of the voltage test module, and emitter stage and first is tested
Output end is connected, and colelctor electrode is connected with the 3rd test output terminal；The base stage of second triode and first triode
Colelctor electrode is connected, and emitter ground connection, colelctor electrode is connected with the second test output terminal；The first resistor is series at the described 1st
Between the colelctor electrode of the base stage of pole pipe and second triode；The second resistance is series at the transmitting of first triode
Between the colelctor electrode of pole and second triode；The emitter stage phase of one end of the 3rd resistor and first triode
Even, the other end is connected with one end of second electric capacity, the current collection of the other end of second electric capacity and second triode
Extremely it is connected；One end of first electric capacity is connected with the base stage of first triode, other end ground connection.
2. battery detection circuit according to claim 1, it is characterised in that the first bigoted circuit includes that first is bigoted
Resistance and the second bigoted resistance, the second bigoted circuit include the 3rd bigoted resistance and the 4th bigoted resistance；Described first is inclined
Hold resistance to be connected between the output end of the base stage of first triode and the missing detection module, the second bigoted electricity
Resistance is connected between the base stage of first triode and emitter stage；The 3rd bigoted resistance is connected to first triode
Colelctor electrode and the base stage of second triode between, the 4th bigoted resistance is connected to the base stage of second triode
And emitter stage between.
3. battery detection circuit according to claim 1, it is characterised in that the missing test cell also includes the
One safe Resistance and the second safe Resistance, first safe Resistance be connected to the colelctor electrode of the second triode and described second
Between test output terminal, second safe Resistance is connected to colelctor electrode and the described 3rd test output of first triode
Between end.
4. the battery detection circuit according to any one of claims 1 to 3, it is characterised in that first triode is PNP
Type triode, second triode is NPN type triode.
5. battery detection circuit according to claim 1, it is characterised in that the missing detection unit includes the first detection
Resistance, the second detection resistance and the 3rd detection resistance；First detection resistance is connected to the input of the missing test cell
Between end and the battery；Second detection resistance and the 3rd detection resistance are connected latter section and test single with the missing
The input of unit is connected, other end ground connection.
6. battery detection circuit according to claim 1, it is characterised in that the voltage test module includes the first test
Resistance, the second test resistance, voltage regulation unit and switch element；First test resistance is connected to the battery and described second
Between test resistance；One end of second test resistance is connected with first test resistance, the other end and the voltage stabilizing list
One end of unit is connected；One end of the voltage regulation unit is connected with the input of the switch element, other end ground connection；The switch
The input of unit is connected with the output end of the voltage test module, the first output end connection external stabilized power, and second is defeated
Go out end ground connection.
7. battery detection circuit according to claim 6, it is characterised in that the voltage regulation unit includes voltage regulation resistance and steady
One end is connected with the output end of the voltage test module after voltage capacitance, the voltage regulation resistance and electric capacity of voltage regulation parallel connection, separately
One end is grounded.
8. battery detection circuit according to claim 6, it is characterised in that the switch element include the first diode and
Second diode, the positive pole of first diode with the negative pole of the second diode be connected, the positive pole of first diode
It is connected with external stabilized power, the plus earth of second diode；The input of the switch element is connected to described
Between the negative pole of the positive pole of one diode and second diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342797.4U CN206248800U (en) | 2016-12-08 | 2016-12-08 | A kind of battery detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342797.4U CN206248800U (en) | 2016-12-08 | 2016-12-08 | A kind of battery detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206248800U true CN206248800U (en) | 2017-06-13 |
Family
ID=59005637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621342797.4U Expired - Fee Related CN206248800U (en) | 2016-12-08 | 2016-12-08 | A kind of battery detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206248800U (en) |
-
2016
- 2016-12-08 CN CN201621342797.4U patent/CN206248800U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20171208 |