CN209200922U - A kind of intelligent power module isolation interlocking driving circuit - Google Patents
A kind of intelligent power module isolation interlocking driving circuit Download PDFInfo
- Publication number
- CN209200922U CN209200922U CN201821885485.7U CN201821885485U CN209200922U CN 209200922 U CN209200922 U CN 209200922U CN 201821885485 U CN201821885485 U CN 201821885485U CN 209200922 U CN209200922 U CN 209200922U
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- circuit
- photoelectric coupled
- power module
- intelligent power
- resistance
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Abstract
The utility model discloses a kind of intelligent power module of servo-driver technical field, and interlocking driving circuit is isolated, it includes the identical doube bridge arm isolated drive circuit of three line structures, doube bridge arm isolated drive circuit described in every road includes a upper bridge isolated drive circuit and a lower bridge isolated drive circuit, the upper bridge isolated drive circuit includes first resistor circuit and the first photoelectric coupled circuit, the output end of the first resistor circuit is connected to the optocoupler input of the first photoelectric coupled circuit, the output of first photoelectric coupled circuit is connected at the upper bridge circuit UH pin of intelligent power module U1, the lower bridge isolated drive circuit includes first resistor circuit and the second photoelectric coupled circuit, the output of second photoelectric coupled circuit is connected at the lower bridge circuit UL pin of intelligent power module U1, make the first photoelectric coupled circuit and second using shared first resistor circuit Photoelectric coupled circuit can not simultaneously turn on, to increase the anti-interference ability of circuit.
Description
Technical field
The utility model relates to servo-driver technical field, specially a kind of intelligent power module isolation interlocking driving electricity
Road.
Background technique
With being constantly progressive for intelligent power module technology, the output electric current of intelligent power module is increasing, so that from
It is more and more extensive applied to industrial servo-driver field with driving protection and the intelligent power module of one.Due to intelligent power
Module frequently works in switch state, will cause system interference increase, so interference, which increases, be easy to cause intelligent power module
Bridge up and down simultaneously open and burn out intelligent power module.Therefore existing intelligent power module driving circuit poor reliability.
Based on this, the utility model devises a kind of intelligent power module isolation interlocking driving circuit, to solve above-mentioned ask
Topic.
Utility model content
The purpose of this utility model is to provide a kind of to make the first photoelectric coupled circuit and the using sharing first resistor circuit
Two photoelectric coupled circuits can not simultaneously turn on, to increase the intelligent power module isolation interlocking driving electricity of the anti-interference ability of circuit
Road, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of intelligent power module isolation interlocking drive
Dynamic circuit comprising have the identical doube bridge arm isolated drive circuit of three line structures, doube bridge arm isolated drive circuit packet described in every road
A upper bridge isolated drive circuit and a lower bridge isolated drive circuit are included, the upper bridge isolated drive circuit includes first resistor
The output end of circuit and the first photoelectric coupled circuit, the first resistor circuit is connected to the optocoupler input of the first photoelectric coupled circuit, institute
The output for stating the first photoelectric coupled circuit is connected at the upper bridge circuit UH pin of intelligent power module U1, the lower bridge isolated drive circuit
Including first resistor circuit and the second photoelectric coupled circuit, the output end of first resistance circuit is connected to the second photoelectric coupled circuit
The output of optocoupler input, second photoelectric coupled circuit is connected at the lower bridge circuit UL pin of intelligent power module U1, and described
One resistance circuit is by label U- and U-/link together, and is to share resistance.
Preferably, resistance R1 and resistance R2 that the first resistor circuit is serially connected, and resistance R1's and resistance R2 is defeated
Enter end to be electrically connected with extraneous port voltage U- and U+ respectively.
Preferably, the R2 resistance is current-limiting resistance, and the R1 resistance is discharge resistance.
Preferably, first photoelectric coupled circuit and the second photoelectric coupled circuit respectively include the optocoupler member of part between being disposed therein
Device P1 and optocoupler component P2.
Compared with prior art, the utility model has the beneficial effects that a kind of intelligent power mould disclosed by the utility model
In block isolation interlocking driving circuit, using shared first resistor circuit, (first resistor circuit is by label U- and U-/be connected to
It simultaneously turn on bridge photoelectric coupled circuit and lower bridge photoelectric coupled circuit can not, to increase the anti-interference ability of circuit.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the utility model circuit diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
The upper bridge isolated drive circuit of 1- intelligent power module U1,2-, the upper bridge isolated drive circuit of 3-, 4- first resistor electricity
Road, the first photoelectric coupled circuit of 5-, the second photoelectric coupled circuit of 6-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of technical solution: a kind of intelligent power module isolation interlocking driving electricity
Road comprising have the identical doube bridge arm isolated drive circuit of three line structures, doube bridge arm isolated drive circuit described in every road includes one
A upper bridge isolated drive circuit 2 and a lower bridge isolated drive circuit 3, the upper bridge isolated drive circuit 2 include first resistor
Circuit 4 and the first photoelectric coupled circuit 5, the output end of the first resistor circuit 4 are connected to the optocoupler input of the first photoelectric coupled circuit 5
End, the output of first photoelectric coupled circuit 5 are connected at the upper bridge circuit UH pin of intelligent power module U11, the lower bridge isolation
Driving circuit 3 includes first resistor circuit 4 and the second photoelectric coupled circuit 6, and the output end of first resistance circuit 4 is connected to the
The optocoupler input of two photoelectric coupled circuits 6, the output of second photoelectric coupled circuit 6 are connected to the lower bridge circuit of intelligent power module U11
At UL pin, it is to share resistance that the first resistor circuit 4, which is by label U- and U-/link together,.
Further, resistance R1 and resistance R2 that the first resistor circuit 4 is serially connected, and resistance R1 and resistance R2
Input terminal is electrically connected with extraneous port voltage U- and U+ respectively.
Further, the R2 resistance is current-limiting resistance, and the R1 resistance is discharge resistance.
Further, first photoelectric coupled circuit 5 and the second photoelectric coupled circuit 6 respectively include the light of part between being disposed therein
Coupling component P1 and optocoupler component P2.
One concrete application of the present embodiment are as follows: when extraneous port voltage U- is+5V, when U+ is also+5V, optocoupler component
P1 and optocoupler component P2 do not work, and the first photoelectric coupled circuit 5 and the output of the second photoelectric coupled circuit 6 are 0V, intelligent power module U11
Bridge up and down do not work；When extraneous port voltage U- is 0V, when U+ is also 0V, the first photoelectric coupled circuit 5 and the second photoelectric coupled circuit 6
It does not work, optocoupler component P1 and optocoupler component P2 output are 0V, and the bridge up and down of intelligent power module U11 does not work；
When extraneous port voltage U- is+5V, and U+ is 0V, the first photoelectric coupled circuit 5 conducting, the second photoelectric coupled circuit 6 is not turned on, optocoupler member device
Part P1 output is+5V, and optocoupler component P2 output is 0V, and the upper bridge of intelligent power module U11 works, and lower bridge does not work；When outer
Boundary port voltage U- is 0V, and when U+ is+5V, the second photoelectric coupled circuit 6 conducting, the first photoelectric coupled circuit 5 is not turned on, optocoupler component P2
Output is+5V, and optocoupler component P1 output is 0V, and the lower bridge of intelligent power module U11 works, and upper bridge does not work, this kind of intelligence
In power module isolation interlocking driving circuit, make the first photoelectric coupled circuit 5 and the second optocoupler electricity using shared first resistor circuit 4
Road 6 can not simultaneously turn on, to increase the anti-interference ability of circuit.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. a kind of intelligent power module isolation interlocking driving circuit comprising there is the identical doube bridge arm isolation drive electricity of three line structures
Road, it is characterised in that: doube bridge arm isolated drive circuit described in every road includes upper bridge isolated drive circuit (2) and a lower bridge
Isolated drive circuit (3), the upper bridge isolated drive circuit (2) include first resistor circuit (4) and the first photoelectric coupled circuit (5),
The output end of the first resistor circuit (4) is connected to the optocoupler input of the first photoelectric coupled circuit (5), first photoelectric coupled circuit
(5) output is connected at the upper bridge circuit UH pin of intelligent power module U1 (1), and the lower bridge isolated drive circuit (3) includes
First resistor circuit (4) and the second photoelectric coupled circuit (6), the output end of the first resistor circuit (4) are connected to the second optocoupler electricity
The output of the optocoupler input on road (6), second photoelectric coupled circuit (6) is connected to the lower bridge circuit UL of intelligent power module U1 (1)
At pin, it is to share resistance that the first resistor circuit (4), which is by label U- and U-/link together,.
2. a kind of intelligent power module isolation interlocking driving circuit according to claim 1, it is characterised in that: described first
The resistance R1 and resistance R2 that resistance circuit (4) is serially connected, and the input terminal of resistance R1 and resistance R2 are electric with extraneous port respectively
U- and U+ is pressed to be electrically connected.
3. a kind of intelligent power module isolation interlocking driving circuit according to claim 2, it is characterised in that: the resistance
R2 is current-limiting resistance, and the resistance R1 is discharge resistance.
4. a kind of intelligent power module isolation interlocking driving circuit according to claim 1, it is characterised in that: described first
Photoelectric coupled circuit (5) and the second photoelectric coupled circuit (6) respectively include the optocoupler component P1 and optocoupler member device of part between being disposed therein
Part P2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821885485.7U CN209200922U (en) | 2018-11-15 | 2018-11-15 | A kind of intelligent power module isolation interlocking driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821885485.7U CN209200922U (en) | 2018-11-15 | 2018-11-15 | A kind of intelligent power module isolation interlocking driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200922U true CN209200922U (en) | 2019-08-02 |
Family
ID=67411751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821885485.7U Expired - Fee Related CN209200922U (en) | 2018-11-15 | 2018-11-15 | A kind of intelligent power module isolation interlocking driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209200922U (en) |
-
2018
- 2018-11-15 CN CN201821885485.7U patent/CN209200922U/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: 20190802 Termination date: 20211115 |