CN206865348U - A kind of frequency converter optical fiber drive control module - Google Patents
A kind of frequency converter optical fiber drive control module Download PDFInfo
- Publication number
- CN206865348U CN206865348U CN201720758874.2U CN201720758874U CN206865348U CN 206865348 U CN206865348 U CN 206865348U CN 201720758874 U CN201720758874 U CN 201720758874U CN 206865348 U CN206865348 U CN 206865348U
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- optical fiber
- signal optical
- drive signal
- receiving terminal
- transmitting terminal
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Abstract
The utility model discloses a kind of frequency converter optical fiber drive control module, including drive circuit module pcb board and module switching pcb board, upper tube drive signal optical fiber transmitting terminal A is provided with drive circuit module pcb board, down tube drive signal optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B, upper tube drive signal optical fiber receiving terminal B is provided with module switching pcb board, down tube drive signal optical fiber receiving terminal B and fault detection signal optical fiber transmitting terminal A, it is connected between the upper tube drive signal optical fiber transmitting terminal A and upper tube drive signal optical fiber receiving terminal B, it is connected between down tube drive signal optical fiber transmitting terminal A and down tube drive signal optical fiber receiving terminal B, it is connected between fault detection signal optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B.Resolution circuitry of the present utility model is reasonable in design, and electromagnetism interference reliability is high, corrosion-resistant, transmits drive signal and fault detection signal precision is high.
Description
Technical field
Frequency converter field is the utility model is related to, more particularly, to a kind of frequency converter optical fiber drive control module, belongs to change
An important component in frequency device, it is mainly used in the transmission of the switch drive and fault-signal to frequency converter IGBT module.
Background technology
Drive control module in frequency converter is the important component in frequency converter, in existing frequency converter field,
Drive control module be essentially all using circuit in pcb board be driven or pcb board and plate between fix line and driven
It is dynamic so that drive signal is highly prone to electromagnetic interference and produces malfunction and make it that frequency converter breaks down, using pcb board and plate it
Between line driving it is also easily long, perishable and frequency converter is vulnerable to electromagnetic interference and chemical attack by winding displacement length so that
Frequency converter produces failure, makes the increase of signal propagation delay time using winding displacement connection, increases failure risk.
In existing big-power transducer, drive circuit module is individually designed into one piece of pcb board, drive circuit module
Pcb board needs to use winding displacement to be attached driving with module switching pcb board, in big-power transducer, is influenceed, led by being laid out
Spacing between cause drive circuit module pcb board and module switching pcb board is very big, and the winding displacement of connection is very long, easily because winding displacement is grown
The increase of degree, makes the overall impedance of winding displacement increase, and the voltage drop increase of input with the output of winding displacement, makes drive signal even event
Hinder detection signal decay, significant impact is produced to the normal work of circuit；Production is connected with winding displacement and the length of winding displacement is long easily
Cause the interference of electromagnetic field, add the instable probability of frequency converter；Chemical attack is also vulnerable to using winding displacement connection, increased
Frequency converter instable probability.
Utility model content
The utility model is directed to above-mentioned the deficiencies in the prior art, there is provided a kind of circuit structure design is reasonable, letter
Number it is that optical signal is converted to by electric signal, then the transmitting procedure of electric signal is converted to by optical signal, electromagnetism interference reliability pole
Height, it is corrosion-resistant, transmit drive signal and fault detection signal precision is high, propagation delay time is lower, responds the optical fiber driving being exceedingly fast
Control module.
Technical scheme is used by the utility model realizes its technical purpose：
A kind of frequency converter optical fiber drive control module, including drive circuit module pcb board and module switching pcb board, are driving
Dynamic circuit module pcb board is provided with upper tube drive signal optical fiber transmitting terminal A, down tube drive signal optical fiber transmitting terminal A and failure
Detection signal optical fiber receiving terminal B, upper tube drive signal optical fiber receiving terminal B, down tube drive signal are provided with module switching pcb board
Optical fiber receiving terminal B and fault detection signal optical fiber transmitting terminal A, the upper tube drive signal optical fiber transmitting terminal A and upper tube driving
Be connected between signal optical fibre receiving terminal B, down tube drive signal optical fiber transmitting terminal A and down tube drive signal optical fiber receiving terminal B it
Between be connected, be connected between fault detection signal optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B.
Preferably, pass through between the upper tube drive signal optical fiber transmitting terminal A and upper tube drive signal optical fiber receiving terminal B
Independent Transmission Fibers are connected, and pass through between down tube drive signal optical fiber transmitting terminal A and down tube drive signal optical fiber receiving terminal B
Independent Transmission Fibers are connected, and pass through between fault detection signal optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B
Independent Transmission Fibers are connected.
Preferably, upper tube drive signal optical fiber transmitting terminal A, down tube drive signal optical fiber transmitting terminal A are fibre optical transmission mould
Block, upper tube drive signal optical fiber receiving terminal B, down tube drive signal optical fiber receiving terminal B are optic fiber transceiver module.
Preferably, fault detection signal optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B are respectively optical fiber hair
Penetrate module, optic fiber transceiver module.
The beneficial effects of the utility model are：
Resolution circuitry of the present utility model is reasonable in design, and transmitting procedure is that signal is first converted to light letter by electric signal
Number, then electric signal is converted to by optical signal, electromagnetism interference reliability is high, corrosion-resistant, transmits drive signal and fault detect
Signal accuracy is high.
Drive circuit and failure detector circuit stability of the present utility model is high, and the drive signal of top tube and down tube all uses
Independent optical fiber driving makes the drive signal of down tube not interfere with each other, and independent fault detection signal also makes fault detection accuracy
It is higher, the time delay of transmission signal is greatly reduced using the transmission means of electrical-optical-electrical, makes the response speed of system faster, optical fiber
Line uses resistant material, and the reliability of drive signal and fault detection signal strengthens under corrosive environment.
Brief description of the drawings
Fig. 1 is the connection block diagram of frequency converter optical fiber drive control module in the utility model embodiment.
Embodiment
The technical solution of the utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
Embodiment：In the embodiment shown in fig. 1, a kind of frequency converter optical fiber drive control module, including drive circuit mould
Block pcb board and module switching pcb board, are provided with upper tube drive signal optical fiber transmitting terminal A, down tube on drive circuit module pcb board
Drive signal optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B, upper tube driving is provided with module switching pcb board
Signal optical fibre receiving terminal B, down tube drive signal optical fiber receiving terminal B and fault detection signal optical fiber transmitting terminal A, the upper tube are driven
It is dynamic to be connected between signal optical fibre transmitting terminal A and upper tube drive signal optical fiber receiving terminal B, down tube drive signal optical fiber transmitting terminal A
It is connected between down tube drive signal optical fiber receiving terminal B, fault detection signal optical fiber transmitting terminal A and fault detection signal optical fiber
It is connected between receiving terminal B.
Specifically, pass through between the upper tube drive signal optical fiber transmitting terminal A and upper tube drive signal optical fiber receiving terminal B
Independent Transmission Fibers are connected, and pass through between down tube drive signal optical fiber transmitting terminal A and down tube drive signal optical fiber receiving terminal B
Independent Transmission Fibers are connected, and pass through between fault detection signal optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B
Independent Transmission Fibers are connected.
Upper tube drive signal optical fiber transmitting terminal A, down tube drive signal optical fiber transmitting terminal A are optic fiber emission modules, and upper tube is driven
Dynamic signal optical fibre receiving terminal B, down tube drive signal optical fiber receiving terminal B are optic fiber transceiver module.Fault detection signal optical fiber is sent
It is respectively optic fiber emission modules, optic fiber transceiver module to hold A and fault detection signal optical fiber receiving terminal B.
Optic fiber emission modules, optic fiber transceiver module are electrooptical device.
It is connected in this example between upper tube drive signal optical fiber transmitting terminal A and upper tube drive signal optical fiber receiving terminal B, makes
Upper tube drive signal optical fiber transmitting terminal A electric signal is converted to optical signal, and optical signal is sent to by independent optical fiber transmission line
Optical signal is converted to electric signal by upper tube drive signal optical fiber receiving terminal B, upper tube drive signal optical fiber receiving terminal B again.
It is connected in this example between down tube drive signal optical fiber transmitting terminal A and down tube drive signal optical fiber receiving terminal B, makes
Down tube drive signal optical fiber transmitting terminal A electric signal is converted to optical signal, and optical signal is sent to by independent optical fiber transmission line
Optical signal is converted to electric signal by down tube drive signal optical fiber receiving terminal B, down tube drive signal optical fiber receiving terminal B again.
It is connected in this example between fault detection signal optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B, makes
Fault detection signal optical fiber transmitting terminal A electric signal is converted to optical signal, and optical signal is sent to by independent optical fiber transmission line
Optical signal is converted to electric signal by fault detection signal optical fiber receiving terminal B, fault detection signal optical fiber receiving terminal B again.
In addition it should be noted that described specific embodiment, the named title of its parts etc. in this specification
Can be different, the above content described in this specification is only to the utility model structure example explanation.It is all according to
The equivalence changes or simple change done according to the utility model patent design described construction, feature and principle, are included in
The protection domain of the utility model patent.
Claims (4)
1. a kind of frequency converter optical fiber drive control module, including drive circuit module pcb board and module switching pcb board, its feature
It is：Upper tube drive signal optical fiber transmitting terminal A, down tube drive signal optical fiber transmitting terminal A are provided with drive circuit module pcb board
And fault detection signal optical fiber receiving terminal B, it is provided with upper tube drive signal optical fiber receiving terminal B, down tube on module switching pcb board
Drive signal optical fiber receiving terminal B and fault detection signal optical fiber transmitting terminal A, the upper tube drive signal optical fiber transmitting terminal A and
It is connected between upper tube drive signal optical fiber receiving terminal B, down tube drive signal optical fiber transmitting terminal A and down tube drive signal optical fiber connect
It is connected between receiving end B, is connected between fault detection signal optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B.
A kind of 2. frequency converter optical fiber drive control module according to claim 1, it is characterised in that：The upper tube driving letter
Number it is connected between optical fiber transmitting terminal A and upper tube drive signal optical fiber receiving terminal B by independent Transmission Fibers, down tube driving letter
Number it is connected between optical fiber transmitting terminal A and down tube drive signal optical fiber receiving terminal B by independent Transmission Fibers, fault detect letter
Number it is connected between optical fiber transmitting terminal A and fault detection signal optical fiber receiving terminal B by independent Transmission Fibers.
A kind of 3. frequency converter optical fiber drive control module according to claim 1, it is characterised in that：Upper tube drive signal light
Fine transmitting terminal A, down tube drive signal optical fiber transmitting terminal A are optic fiber emission modules, upper tube drive signal optical fiber receiving terminal B, down tube
Drive signal optical fiber receiving terminal B is optic fiber transceiver module.
A kind of 4. frequency converter optical fiber drive control module according to claim 1, it is characterised in that：Fault detection signal light
Fine transmitting terminal A and fault detection signal optical fiber receiving terminal B is respectively optic fiber emission modules, optic fiber transceiver module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758874.2U CN206865348U (en) | 2017-06-19 | 2017-06-19 | A kind of frequency converter optical fiber drive control module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720758874.2U CN206865348U (en) | 2017-06-19 | 2017-06-19 | A kind of frequency converter optical fiber drive control module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206865348U true CN206865348U (en) | 2018-01-09 |
Family
ID=60828539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720758874.2U Expired - Fee Related CN206865348U (en) | 2017-06-19 | 2017-06-19 | A kind of frequency converter optical fiber drive control module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206865348U (en) |
-
2017
- 2017-06-19 CN CN201720758874.2U patent/CN206865348U/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 |
Granted publication date: 20180109 Termination date: 20200619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |