CN207488465U - A kind of battery specialized voltages detector checks circuit - Google Patents
A kind of battery specialized voltages detector checks circuit Download PDFInfo
- Publication number
- CN207488465U CN207488465U CN201721510631.3U CN201721510631U CN207488465U CN 207488465 U CN207488465 U CN 207488465U CN 201721510631 U CN201721510631 U CN 201721510631U CN 207488465 U CN207488465 U CN 207488465U
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- battery
- circuit
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model is related to a kind of battery specialized voltages detectors to check circuit, including control chip, comparison circuit and battery interface；Battery interface output terminal connects the input terminal of the comparison circuit, the input terminal of the output terminal connection control chip of comparison circuit；Comparison circuit includes multiple comparison amplifiers, and multiple comparison amplifiers connect one to one with battery interface；First resistor and crystal oscillator have been arranged in parallel between the control XOUT pins of chip and XIN pins；The 48th pin to the 69th pin of control chip is connected with exclusion；Second resistance is connected between the control TXD pins of chip and RXD pins；Compared to the measuring instruments such as multimeter is used to measure, this circuit has the function of the advantages that individually detecting the cell voltage that often economizes on electricity, and measurement is quick and convenient, safe to use, while small easy to carry.
Description
Technical field
The utility model is related to charger circuit technical field, more specifically to a kind of battery specialized voltages inspection
Device checks circuit.
Background technology
Battery, which refers to, fills electrolyte solution and metal electrode to generate the cup of electric current, slot or other containers or meet container
Chemical energy can be converted to the device of electric energy by segment space.Point with anode, cathode.The performance parameter of battery mainly has electricity
Kinetic potential, capacity, than energy and resistance.Energy source is utilized the battery as, can be obtained with burning voltage, stabling current, it is long
Time stable power-supplying, by the electric current of ectocine very little.At present detection battery voltage swing be by using multimeter come into
Row detection, is typically parallel to battery output both ends, the detection for multigroup battery composition is such as wanted to examine by the survey pen of multimeter
The wherein independent voltage per batteries is surveyed, then is seemed not convenient and fast, while using multimeter to different types of battery
During detection, accuracy of detection is to be improved.
Utility model content
The technical problem to be solved by the present invention is to for the drawbacks described above of the prior art, provide one kind.
The utility model first aspect provides a kind of battery specialized voltages detector and checks circuit, which is characterized in that including
Control chip, comparison circuit and battery interface；The battery interface output terminal connects the input terminal of the comparison circuit, the ratio
Compared with the input terminal of the output terminal connection control chip of circuit；The comparison circuit includes multiple comparison amplifiers, Duo Gesuo
Comparison amplifier is stated to connect one to one with the battery interface；It is described control chip XOUT pins and XIN pins it
Between be arranged in parallel first resistor and crystal oscillator；The 48th pin to the 69th pin of the control chip is connected with row
Resistance；Second resistance is connected between the control TXD pins of chip and RXD pins.
Preferably, the control chip model is 5SMS3F828B.
Preferably, including power protecting circuit, the power protecting circuit is parallel to the battery interface output terminal.
Preferably, the 48th pin to the 69th pin of the control chip is connected with exclusion.
The utility model advantageous effect is：During work, connect one to one per batteries with battery interface, battery interface
In output voltage to comparison circuit, it is more defeated that the cell voltage of input from battery interface output terminal is input to multiple-group analysis amplifier
Numerical value is sent in control chip after each group voltage difference entered, the voltage of every batteries is calculated in control chip, measures electricity
Press precision high, for the reachable ± 10mv of the accuracy of detection of lithium polymer battery, the detection for nickel-cadmium cell and Ni-MH battery
Accuracy of detection is up to 1.5%；Compared to the measuring instruments such as multimeter is used to measure, this circuit, which has, individually detects the cell voltage that often economizes on electricity
Function, and measure it is quick and convenient, it is safe to use, while small easy to carry the advantages that.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below in conjunction with attached drawing and reality
Applying example, the utility model is described in further detail, and the accompanying drawings in the following description is only the section Example of the present invention, for this
For the those of ordinary skill of field, without creative efforts, it is attached to can also be obtained according to these attached drawings other
Figure：
Fig. 1 is that the battery specialized voltages detector of the utility model preferred embodiment checks the circuit diagram of circuit.
Specific embodiment
In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality
Technical solution in new embodiment carries out clear, complete description, it is clear that described embodiment is the portion of the utility model
Divide embodiment rather than whole embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not paying creation
Property labour under the premise of all other embodiments obtained, belong to the scope of protection of the utility model.
The battery specialized voltages detector of the utility model preferred embodiment checks circuit as shown in Figure 1, including controlling core
Piece 1, comparison circuit 2 (physical circuit is as shown in the figure) and battery interface 3；3 output terminal of battery interface connects the input of comparison circuit 2
End, the input terminal of the output terminal connection control chip of comparison circuit 2；Comparison circuit 2 includes multiple comparison amplifiers, multiple comparisons
Amplifier connects one to one with battery interface 3；It has been arranged in parallel between the control XOUT pins of chip 1 and XIN pins
First resistor R1 and crystal oscillator U1；The 48th pin to the 69th pin of control chip 1 is connected with exclusion 5；Control core
Second resistance R2 is connected between the TXD pins of piece 1 and RXD pins；During work, per batteries with battery interface one by one
It is correspondingly connected with, in battery interface output voltage to comparison circuit, the cell voltage of input is input to more from battery interface output terminal
Numerical value is sent in control chip by group comparison amplifier after comparing each group voltage difference of input, and every economize on electricity is calculated in control chip
The voltage in pond, it is high to measure voltage accuracy, for the reachable ± 10mv of the accuracy of detection of lithium polymer battery, for nickel-cadmium cell with
And the detection accuracy of detection of Ni-MH battery is up to 1.5%；Compared to the measuring instruments such as multimeter is used to measure, this circuit has independent
Detection often economize on electricity cell voltage function, and measure it is quick and convenient, it is safe to use, while small easy to carry the advantages that.
The battery specialized voltages detector of the utility model preferred embodiment checks circuit as shown in Figure 1, control is chip-shaped
Number be 5SMS3F828B.
The battery specialized voltages detector of the utility model preferred embodiment checks circuit as shown in Figure 1, being protected including power supply
Protection circuit, power protecting circuit are parallel to the battery interface output terminal；Setting power protecting circuit can protect access detector
Battery.
The battery specialized voltages detector of the utility model preferred embodiment checks circuit as shown in Figure 1, controlling chip
48th pin to the 69th pin is connected with exclusion；Setting exclusion can protect control chip to prevent control chip from burning
It is bad.
It should be understood that for those of ordinary skills, can be improved or converted according to the above description,
And all these modifications and variations belong to the protection domain of the appended claims for the utility model.
Claims (4)
1. a kind of battery specialized voltages detector checks circuit, which is characterized in that is connect including control chip, comparison circuit and battery
Mouthful；The battery interface output terminal connects the input terminal of the comparison circuit, and the output terminal of the comparison circuit connects the control
The input terminal of coremaking piece；The comparison circuit includes multiple comparison amplifiers, and multiple comparison amplifiers connect with the battery
Mouth connects one to one；It is described control the XOUT pins of chip and XIN pins between be arranged in parallel first resistor and
Crystal oscillator；Second resistance is connected between the control TXD pins of chip and RXD pins.
2. battery specialized voltages detector according to claim 1 checks circuit, which is characterized in that the control is chip-shaped
Number be 5SMS3F828B.
3. battery specialized voltages detector according to claim 2 checks circuit, which is characterized in that including power protection electricity
Road, the power protecting circuit are parallel to the battery interface output terminal.
4. battery specialized voltages detector according to claim 1 checks circuit, which is characterized in that the control chip
48th pin to the 69th pin is connected with exclusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510631.3U CN207488465U (en) | 2017-11-14 | 2017-11-14 | A kind of battery specialized voltages detector checks circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721510631.3U CN207488465U (en) | 2017-11-14 | 2017-11-14 | A kind of battery specialized voltages detector checks circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207488465U true CN207488465U (en) | 2018-06-12 |
Family
ID=62476743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721510631.3U Expired - Fee Related CN207488465U (en) | 2017-11-14 | 2017-11-14 | A kind of battery specialized voltages detector checks circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207488465U (en) |
-
2017
- 2017-11-14 CN CN201721510631.3U patent/CN207488465U/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: 20180612 Termination date: 20191114 |