CN206061217U - The intelligent protection circuit of buffering transient high-current - Google Patents
The intelligent protection circuit of buffering transient high-current Download PDFInfo
- Publication number
- CN206061217U CN206061217U CN201620983744.4U CN201620983744U CN206061217U CN 206061217 U CN206061217 U CN 206061217U CN 201620983744 U CN201620983744 U CN 201620983744U CN 206061217 U CN206061217 U CN 206061217U
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- China
- Prior art keywords
- resistance
- current
- resistor
- circuit
- control module
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- 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.)
- Withdrawn - After Issue
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Emergency Protection Circuit Devices (AREA)
Abstract
This utility model is related to a kind of intelligent protection circuit of buffering transient high-current; including Intelligent Measurement control module and buffering current circuit; Intelligent Measurement control module is all connected with electric equipment, buffer current circuit, normal work circuit; when the input current of electric equipment transfinites; the output of electric equipment is connected to buffer current circuit by Intelligent Measurement control module; when the input current of electric equipment does not transfinite, the output of electric equipment is connected to normal work circuit by Intelligent Measurement control module.The buffer current circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, diode, audion, field effect transistor.Threshold value/maximum impact electric current of the resistance value of the 3rd resistor more than or equal to audion.This utility model compared with prior art, with advantages below and effect：Reasonable in design, can buffer the risk of transient high-current, reduce maintenance replacement cost, make electrical work in more stable state.
Description
Technical field
This utility model is related to a kind of intelligent protection circuit of buffering transient high-current, is mainly used in various containing LED drives
In the circuit of galvanic electricity source and adapter, the communication apparatus such as such as computer, household electrical appliance, lamp lighting etc..
Background technology
LED drive power and adapter have the heavy impulse current of moment sometimes, cause the appliance life of rear class to shorten very
To damage, therefore a kind of protection circuit for preventing from impacting circuit of research and development has larger realistic meaning.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency present in prior art, and provides a kind of structure design and close
Reason, can buffer the intelligent protection circuit of transient high-current, substantially reduce the risk of heavy impulse current, reduce maintenance and be replaced with
This, makes electrical work in more stable state.
The technical scheme in the invention for solving the above technical problem is：The intelligent protection electricity of the buffering transient high-current
Road, including Intelligent Measurement control module and buffering current circuit, Intelligent Measurement control module and electric equipment, buffer current line
Road, normal work circuit are all connected with, and when the input current of electric equipment transfinites, Intelligent Measurement control module is by electric equipment
Output is connected to buffer current circuit, and when the input current of electric equipment does not transfinite, Intelligent Measurement control module is by electric equipment
Output be connected to normal work circuit.
Buffer current circuit described in the utility model include first resistor, second resistance, 3rd resistor, the 4th resistance,
Five resistance, diode, audion, field effect transistor, the termination DC source of first resistor one, the first resistor other end connect second respectively
Resistance one end, diode cathode, transistor collector, diode cathode, transistor emitter, the 4th resistance one end are connected to electricity
Source ground, transistor base are connected with 3rd resistor one end, and the second resistance other end is connected with fet gate, and 3rd resistor is another
One end, the 4th resistance other end are connected with field effect transistor drain electrode, and the 5th resistance adopts wire resistor, field effect transistor source electrode and the 5th
Resistance winding terminal connects, and the 5th resistance other end is connected with Intelligent Measurement control module.
Threshold value/maximum impact electric current of the resistance value of 3rd resistor described in the utility model more than or equal to audion, the 5th
Resistance is used for absorbing current spike.
This utility model compared with prior art, with advantages below and effect：Reasonable in design, can buffer instantaneous
The risk of high current, reduces maintenance replacement cost, makes electrical work in more stable state.
Description of the drawings
Fig. 1 is the principle schematic of this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawings and by embodiment the application is described in further detail, following examples are to this Shen
Explanation please and the application is not limited to following examples.
Referring to Fig. 1, the intelligent protection circuit of the present embodiment buffering transient high-current is by Intelligent Measurement control module 1 and buffering
Current circuit is constituted.The Intelligent Measurement control module 1 is made up of one-chip computer module, for detecting the input electricity of electric equipment 3
Whether stream transfinites, and when electric current transfinites, the output of electric equipment 3 is opened by Intelligent Measurement control module 1 by the controllable of its inside
Powered-down road（Analog output）Turn to buffer current circuit（Protection circuit）, make instantaneous large-current preferentially flow through the protection electricity of design
Road, the upper current limit that protection circuit can be flow through with precise control, and pulse energy can be absorbed, impact the input of whole system
Electric current maintains a more stable level.When instantaneous large-current disappears, system worked well, Intelligent Measurement control module 1 can
Control on-off circuit enters normal mode of operation, system worked well, the i.e. output of electric equipment 3 directly with normal work circuit 4
Connection.Wherein Intelligent Measurement control module 1 can be realized using prior art.
The buffer current circuit of the present embodiment is made up of analog circuit, including first resistor R1, second resistance R2, the 3rd electric
Resistance R3, the 4th resistance R4, the 5th resistance R5, diode D1, audion Q1, field effect transistor Q2, a termination of first resistor R1 are straight
Stream power supply 2, the other end connect second resistance R2 one end, diode D1 negative poles, audion Q1 colelctor electrodes respectively, diode D1 positive poles,
Audion Q1 emitter stages, the 4th resistance R4 one end are connected to power supply ground, and audion Q1 base stages are connected with 3rd resistor R3 one end, the
The two resistance R2 other ends are connected with field effect transistor Q2 grid, the 3rd resistor R3 other end, the 4th resistance R4 other ends and field effect
Pipe Q2 drain electrode connections, field effect transistor Q2 source electrode are connected with the 5th resistance R5 winding terminals, the 5th resistance R5 other ends, normal work electricity
The input on road 4 is connected with the output of Intelligent Measurement control module 1, and Intelligent Measurement control module 1 is connected with electric equipment 3, detection
Which is input into and controls its output, and electric equipment 3 is connected with DC source 2.
The threshold value of the present embodiment 3rd resistor R3 resistance value >=audion Q1/maximum impact electric current.
Every simple deformation of the present utility model or combination, it is considered that fall into the protection domain of the application.
Claims (3)
1. a kind of intelligent protection circuit of buffering transient high-current, including Intelligent Measurement control module and buffering current circuit, intelligence
Can detect that control module is all connected with electric equipment, buffer current circuit, normal work circuit, when the input current of electric equipment
When transfiniting, the output of electric equipment is connected to buffer current circuit by Intelligent Measurement control module, when the input current of electric equipment
When not transfiniting, the output of electric equipment is connected to normal work circuit by Intelligent Measurement control module.
2. the intelligent protection circuit of transient high-current is buffered according to claim 1, it is characterised in that：The buffer current line
Road includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, diode, audion, field effect transistor, the
One resistance one terminates DC source, and the first resistor other end connects second resistance one end, diode cathode, audion current collection respectively
Pole, diode cathode, transistor emitter, the 4th resistance one end are connected to power supply ground, transistor base and 3rd resistor one end
Connection, the second resistance other end are connected with fet gate, the 3rd resistor other end, the 4th resistance other end and field effect transistor
Drain electrode connection, the 5th resistance adopt wire resistor, field effect transistor source electrode to be connected with the 5th resistance winding terminal, the 5th resistance other end
It is connected with Intelligent Measurement control module.
3. the intelligent protection circuit of transient high-current is buffered according to claim 2, it is characterised in that：The 3rd resistor
Threshold value/maximum impact electric current of the resistance value more than or equal to audion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620983744.4U CN206061217U (en) | 2016-08-30 | 2016-08-30 | The intelligent protection circuit of buffering transient high-current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620983744.4U CN206061217U (en) | 2016-08-30 | 2016-08-30 | The intelligent protection circuit of buffering transient high-current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206061217U true CN206061217U (en) | 2017-03-29 |
Family
ID=58378604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620983744.4U Withdrawn - After Issue CN206061217U (en) | 2016-08-30 | 2016-08-30 | The intelligent protection circuit of buffering transient high-current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206061217U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211479A (en) * | 2016-08-30 | 2016-12-07 | 宁波耀泰电器有限公司 | A kind of intelligent protection circuit buffering transient high-current |
-
2016
- 2016-08-30 CN CN201620983744.4U patent/CN206061217U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106211479A (en) * | 2016-08-30 | 2016-12-07 | 宁波耀泰电器有限公司 | A kind of intelligent protection circuit buffering transient high-current |
| CN106211479B (en) * | 2016-08-30 | 2018-02-02 | 宁波耀泰电器有限公司 | A kind of intelligent protection circuit for buffering transient high-current |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20180202 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20180202 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |