CN206481044U - A kind of battery inspection isolation circuit - Google Patents
A kind of battery inspection isolation circuit Download PDFInfo
- Publication number
- CN206481044U CN206481044U CN201720067027.1U CN201720067027U CN206481044U CN 206481044 U CN206481044 U CN 206481044U CN 201720067027 U CN201720067027 U CN 201720067027U CN 206481044 U CN206481044 U CN 206481044U
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- CN
- China
- Prior art keywords
- electromagnetic relay
- triode
- isolation circuit
- battery inspection
- circuit
- 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.)
- Expired - Fee Related
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 36
- 238000007689 inspection Methods 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 description 8
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000035772 mutation Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of battery inspection isolation circuit, including first resistor, second resistance, electromagnetic relay, coding chip, power supply, the first diode, the first triode, one end of first resistor is connected with the input of battery inspection isolation circuit, and the other end of first resistor and the switch first end of electromagnetic relay are connected；The end of switch second of electromagnetic relay is connected with the output end of battery inspection isolation circuit；Negative pole of first control end of electromagnetic relay respectively with positive source, the first diode is connected, and positive pole, the colelctor electrode of the first triode of the second control end of electromagnetic relay respectively with the first diode are connected；The base stage of first triode is connected by second resistance and the output end of coding chip, and the emitter stage of the first triode is with being publicly connected.The presence of electromagnetic relay causes control circuit with detecting that circuit there occurs the physical reliability isolated, add battery inspection isolation circuit.
Description
Technical field
The utility model is related to detection field, more particularly to detection protection circuit.
Background technology
Conventional maintenance-free battery is all to have certain life-span, for example：The use longevity of analysing valve control type lead-acid accumulator battery
Order as 8-20, and this it is interior during use various problems occur unavoidably, these problems are once occur, it will people are caused
No small trouble, if problematic battery to be used in important place, can cause great loss.Based on plumbic acid
The characteristic of battery, the appearance of various problems can be all embodied in the change of battery capacity before, therefore per after a while all
A deep discharge should be carried out to battery, the change of cell voltage is able to detect the situation of battery when being discharged by detecting, by
This just occurs in that battery data logging device.
When battery is detected, circuit is operated in Small current control detection electric circuit inspection high current, to prevent battery side
The high current in face is impacted to detection circuit, therefore is badly in need of a kind of isolation circuit to cause control circuit with detecting that circuit is isolated
Come.
The content of the invention
The purpose of this utility model is to provide a kind of battery inspection isolation circuit, it is adaptable to need to detect battery capacity
Battery inspection circuit, can prevent the shadow caused by the high current in battery detection circuit is to control circuit when detecting battery discharge
Ring, while by the isolation of circuit control circuit can be made not jeopardized by transient voltage when switching battery in battery detecting.
To solve above technical problem, embodiment of the present utility model is adopted the following technical scheme that：
The battery inspection isolation circuit, including first resistor, second resistance, electromagnetic relay, coding chip, power supply,
First diode, the first triode, one end of the first resistor are connected with the input of battery inspection isolation circuit, and described
The other end of one resistance is connected with the switch first end of the electromagnetic relay；The end of switch second of the electromagnetic relay and electricity
The output end connection of pond inspection isolation circuit；First control end of electromagnetic relay positive pole respectively with the power supply, institute
State the negative pole connection of the first diode, the second control end of electromagnetic relay positive pole respectively with first diode,
The colelctor electrode connection of first triode；The base stage of first triode passes through the second resistance and the coding chip
Output end connection, the emitter stage of first triode is with being publicly connected.
Compared to prior art, a kind of beneficial effect of battery inspection isolation circuit of the present utility model is：Including
One resistance, second resistance, electromagnetic relay, coding chip, power supply, the first diode, the first triode, the first resistor
One end is connected with the input of battery inspection isolation circuit, the switch of the other end of the first resistor and the electromagnetic relay
First end is connected；The end of switch second of the electromagnetic relay is connected with the output end of battery inspection isolation circuit；The electromagnetism
Negative pole of first control end of relay respectively with positive source, first diode is connected, and the of the electromagnetic relay
Positive pole, the colelctor electrode of first triode of two control ends respectively with first diode are connected；First triode
Base stage be connected by the second resistance with the output end of the coding chip, the emitter stage of first triode with it is public
Ground is connected.The presence of electromagnetic relay causes control circuit with detecting that circuit there occurs physical isolate so that detection circuit
In big circuit and mutation voltage will not produce influence to control circuit, while being used as isolation member compared to selection optical coupling isolator
The isolation circuit of part, the electromagnetic relay that the utility model embodiment is used possesses bigger pressure voltage, finally causes this practicality
New battery inspection isolation circuit is more safe and reliable.
Brief description of the drawings
Fig. 1 is a kind of structural representation of battery inspection isolation circuit in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Conventional battery inspection isolation circuit uses optical coupling isolator as isolation assuring element, when detection circuit breaks
Influence will not be produced because of the high voltage that unexpected conducting is produced during with switching between being connected on control circuit by opening.But actual feelings
Condition be optical coupling isolator pressure voltage be not very it is high it is continuous disconnection with conducting produce high voltage be possible to can by optocoupler every
Puncture from device, cause battery inspection circuit to occur problem and even result in some other component wears.So needing one kind to possess
The battery inspection isolation circuit of greater security.
As shown in figure 1, it is a kind of structural representation for battery inspection isolation circuit that the utility model embodiment is provided.
The battery inspection isolation circuit, including first resistor R1, second resistance R2, electromagnetic relay 10, coding chip 20, power supply,
First diode D1, the first triode Q1, one end of the first resistor R1 connects with the input 4 of battery inspection isolation circuit
Connect, the other end of the first resistor R1 is connected with the switch first end 11 of the electromagnetic relay；The electromagnetic relay
The second end 12 is switched to be connected with the output end 5 of battery inspection isolation circuit；First control end 13 of the electromagnetic relay is distinguished
Be connected with the negative pole of positive source 3, the first diode D1, the second control end 14 of the electromagnetic relay respectively with it is described
The colelctor electrode connection of first diode D1 positive pole, the first triode Q1；The base stage of the first triode Q1 passes through institute
State second resistance R2 to be connected with the output end 21 of the coding chip, the emitter stage of the first triode Q1 is with publicly connecting
Connect.
It is normal in use, when the output end of the coding chip exports high level signal, the first triode Q1's
Base stage is high level, and colelctor electrode and the emitter stage of the first triode Q1 are turned on, i.e., described first triode Q1 colelctor electrode
It is described because the second control end 14 of the electromagnetic relay is connected with the colelctor electrode of the first triode Q1 for low potential
Second control end 14 of electromagnetic relay also should be low potential, and the first control end 13 of the electromagnetic relay is high potential, after
Electrical equipment is turned on.Due to the internal structure of electromagnetic relay, electromagnetic relay possesses high pressure voltage can be in isolation inspection electricity
The voltage jump caused during the break-make of road, while will not be damaged by very high mutation voltage again, the circuit after causing is damaged.
Compared to prior art, a kind of beneficial effect of battery inspection isolation circuit of the present utility model is：Including
One resistance, second resistance, electromagnetic relay, coding chip, power supply, the first diode, the first triode, the first resistor
One end is connected with the input of battery inspection isolation circuit, the switch of the other end of the first resistor and the electromagnetic relay
First end is connected；The end of switch second of the electromagnetic relay is connected with the output end of battery inspection isolation circuit；The electromagnetism
Negative pole of first control end of relay respectively with positive source, first diode is connected, and the of the electromagnetic relay
Positive pole, the colelctor electrode of first triode of two control ends respectively with first diode are connected；First triode
Base stage be connected by the second resistance with the output end of the coding chip, the emitter stage of first triode with it is public
Ground is connected.The presence of electromagnetic relay causes control circuit with detecting that circuit there occurs physical isolate so that detection circuit
In big circuit and mutation voltage will not produce influence to control circuit, while being used as isolation member compared to selection optical coupling isolator
The isolation circuit of part, the electromagnetic relay that the utility model embodiment is used possesses bigger pressure voltage, finally causes this practicality
New battery inspection isolation circuit is more safe and reliable.
Claims (1)
1. a kind of battery inspection isolation circuit, it is characterised in that including first resistor, second resistance, electromagnetic relay, decoding core
Piece, power supply, the first diode, the first triode, one end of the first resistor connect with the input of battery inspection isolation circuit
Connect, the other end of the first resistor is connected with the switch first end of the electromagnetic relay；The switch of the electromagnetic relay
Second end is connected with the output end of battery inspection isolation circuit；First control end of the electromagnetic relay respectively with the power supply
Positive pole, the negative pole connection of first diode, the second control end of the electromagnetic relay respectively with the one or two pole
The colelctor electrode connection of the positive pole of pipe, first triode；The base stage of first triode passes through the second resistance and institute
The output end connection of coding chip is stated, the emitter stage of first triode is with being publicly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067027.1U CN206481044U (en) | 2017-01-10 | 2017-01-10 | A kind of battery inspection isolation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720067027.1U CN206481044U (en) | 2017-01-10 | 2017-01-10 | A kind of battery inspection isolation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206481044U true CN206481044U (en) | 2017-09-08 |
Family
ID=59754035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720067027.1U Expired - Fee Related CN206481044U (en) | 2017-01-10 | 2017-01-10 | A kind of battery inspection isolation circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206481044U (en) |
-
2017
- 2017-01-10 CN CN201720067027.1U patent/CN206481044U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: HZET ELECTRICAL TECHNOLOGY (GUANGZHOU) CO.,LTD. Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: HZET ELECTRICAL TECHNOLOGY (GUANGZHOU) CO.,LTD. Document name: Notification of Passing Examination on Formalities |
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| 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: 20170908 |