CN205790953U - A kind of multi-path laser power supply board for electronic mutual inductor - Google Patents
A kind of multi-path laser power supply board for electronic mutual inductor Download PDFInfo
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- CN205790953U CN205790953U CN201620679173.5U CN201620679173U CN205790953U CN 205790953 U CN205790953 U CN 205790953U CN 201620679173 U CN201620679173 U CN 201620679173U CN 205790953 U CN205790953 U CN 205790953U
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- power supply
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- processing unit
- mutual inductor
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Abstract
A kind of multi-path laser power supply board for electronic mutual inductor of this utility model, including board, and the FPGA processing unit being arranged on board, power supply chip, analog-digital chip, modulus conversion chip, operational amplifier and multiple lasing light emitter for powering to the harvester of electronic mutual inductor；FPGA processing unit is mutual with analog-digital chip and operational amplifier successively, and the output of operational amplifier connects each lasing light emitter respectively；FPGA processing unit is mutual with modulus conversion chip；Being respectively arranged with temperature sensor on each lasing light emitter, the feedback end of lasing light emitter and the outfan of temperature sensor connect the input of modulus conversion chip AD respectively；Power supply chip is for powering to FPGA processing unit and modulus conversion chip.The laser powered sensor of multichannel is controlled by FPGA processing unit and analog-digital chip by arranging, and coordinates modulus conversion chip to be acquired temperature signal and feedback signal processing.
Description
Technical field
This utility model relates to the data acquisition unit of high pressure equipment, a kind of multichannel for electronic mutual inductor
Laser powered sensor plate.
Background technology
Electronic mutual inductor is one of most important high pressure equipment in power system.It is widely used in relay and protects
Protect, among system monitoring, Power System Analysis, and its power pack is one of core of system, due to electronic current mutual inductance
The part of data acquisition of device is arranged on hot side, and is entirely and is made up of electronic circuit, it is therefore necessary to have corresponding electricity
Source is supplied to the electronic circuit of part of data acquisition, owing to the part of data acquisition of current transformer is installed on high-pressure side, if
The electromagnetic interference being subject to cable power supply can be bigger, and the high-pressure side that cable is connected to transformer is relatively difficult, then swashs
Photoelectric source power replacement traditional power supply become a kind of trend, Laser Power Devices are powered and are easily realized the height of electronic current mutual inductor
The power supply supply of pressure side requires and has long-term stability and higher reliability.
The output of current existing laser powered sensor Ban Shi mono-tunnel, it is impossible to meet the requirement that multiple harvester is powered, and laser
Source uses 5V to power, inefficient, and on lasing light emitter, fin is relatively big, causes combining unit resource nervous.
Utility model content
For problems of the prior art, this utility model provides a kind of multi-path laser for electronic mutual inductor
Power supply board, circuit structure is simple, and module placement is reasonable in design, it is possible to realizes multiple spot and powers.
This utility model is to be achieved through the following technical solutions:
A kind of multi-path laser power supply board for electronic mutual inductor, including board, and the FPGA being arranged on board
Processing unit, power supply chip, analog-digital chip DA, modulus conversion chip AD, operational amplifier and multiple for electronic type
The lasing light emitter that the harvester of transformer is powered；Described FPGA processing unit successively with analog-digital chip DA and operational amplifier
Alternately, the output of operational amplifier connects each lasing light emitter respectively；FPGA processing unit is mutual with modulus conversion chip AD；Each
Being respectively arranged with temperature sensor on lasing light emitter, the feedback end of lasing light emitter and the outfan of temperature sensor connect modulus respectively and turn
Change the input of chip AD；Described power supply chip is for powering to FPGA processing unit and modulus conversion chip AD.
Preferably, analog-digital chip DA uses AD568X series.
Preferably, operational amplifier uses OPX177 series.
Preferably, also including differential driving module, FPGA processing unit is mutual with differential driving module, differential driving module
It is connected with host computer through differential signal interface.
Preferably, modulus conversion chip AD uses AD7606X series.
Preferably, temperature sensor uses TMP3X series.
Preferably, power supply chip, FPGA processing unit, analog-digital chip DA and modulus conversion chip AD depends on from top to bottom
The secondary right side being arranged in board laterally centre, multiple strip laser instrument are laterally disposed and longitudinal arrangement is in board laterally centre
Left side；There is fin above the connection by heat-conducting silicone grease respectively of multiple lasing light emitters, and fin is fixed on board by copper post.
Preferably, also include the socket being fixed on board side, be arranged on the light mouth receptor of board opposite side, display lamp
And switch；Switch is arranged on the feeder ear connecing FPGA processing unit, and light mouth receptor connects in lasing light emitter, at display lamp and FPGA
Reason unit connects；The power supply interface of 5V and 12V being powered respectively to power supply chip and lasing light emitter it is provided with on socket.
Compared with prior art, this utility model has a following useful technique effect:
The laser powered sensor of multichannel is carried out by this utility model by FPGA processing unit and the analog-digital chip DA arranged
Control, and coordinate modulus conversion chip AD to be acquired temperature signal and feedback signal processing, control and feedback collection are divided
Road is carried out, it is ensured that control efficient, accurate, good stability, it is achieved that the demand powering harvester multiple spot.
Further, by the 12V power supply interface arranged, improve the work efficiency of lasing light emitter, reduce heat sink
Setting area, compact conformation, connection and reasonable arrangement.
Further, lasing light emitter and other circuit unit chips are provided separately, it is to avoid its heat radiation is to other circuit
Impact, improves service life.
Accompanying drawing explanation
When Fig. 1 is digital-to-analogue conversion described in this utility model example, the structure of circuit connects block diagram.
When Fig. 2 is analog digital conversion described in this utility model example, the structure of circuit connects block diagram.
Fig. 3 is the module arrangement structural representation of power supply board described in this utility model example.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail, described in be to explanation of the present utility model
It not to limit.
A kind of multi-path laser power supply board for electronic mutual inductor of this utility model, including board, and is arranged on plate
FPGA processing unit on card, analog-digital chip DA, modulus conversion chip AD, operational amplifier and lasing light emitter.This is the most real
As a example by the laser powered sensor of example Zhong Yi tri-road.
As it is shown in figure 1, when carrying out digital-to-analogue conversion, FPGA processing unit gives digital-to-analogue conversion after arranging corresponding digital signal
Chip DA is changed into analog quantity and by operational amplifier, analog quantity is amplified, drives No. three laser instrument output corresponding powers
Power supply to harvester.Wherein, analog-digital chip DA uses AD568X series, can choose different precision.Operation amplifier
Device uses OPX177 series, and output can select 1 to 4 tunnels.
As in figure 2 it is shown, when carrying out analog digital conversion, in the case of operation of laser sources, modulus conversion chip AD gathers three
The analogue signal of road lasing light emitter temperature sensor and the feedback signal of three road lasing light emitters give FPGA after turning and being melted into digital signal
Processing unit, FPGA processing unit is that differential signal is sent to host CPU various data by differential driving module converter, main
CPU transmits data to host computer by Ethernet again, shows accordingly.Wherein, modulus conversion chip AD uses
AD7606X series, number of active lanes can be with flexible configuration.Temperature sensor uses TMP3X series, can measure-40 DEG C to+125
DEG C arbitrary temp.
As it is shown on figure 3, power supply chip, FPGA processing unit, analog-digital chip DA and modulus conversion chip AD are from upper past
Under be sequentially arranged in board laterally in the middle of right side, operational amplifier is on the right side of D/A chip, and 48 sockets are on the right side of board
The centre of marginal portion, three strip laser instrument are laterally disposed, longitudinal arrangement the middle part of board and laterally in the middle of left side,
Light mouth receptor, display lamp, switch is emitted at the left hand edge of board the most successively, and three the above of road lasing light emitter are led to respectively
Cross heat-conducting silicone grease and enclose fin, and fixed by copper post, dispel the heat.Wherein, 48 sockets it is provided with to board and swashs
The power supply interface of 5V and 12V that light source is powered respectively.Switch is arranged on the feeder ear connecing FPGA processing unit.
Claims (8)
1. the multi-path laser power supply board for electronic mutual inductor, it is characterised in that include board, and be arranged on board
On FPGA processing unit, power supply chip, analog-digital chip DA, modulus conversion chip AD, operational amplifier and multiple for
The lasing light emitter powered to the harvester of electronic mutual inductor；
Described FPGA processing unit is mutual with analog-digital chip DA and operational amplifier successively, and the output of operational amplifier divides
Do not connect each lasing light emitter；FPGA processing unit is mutual with modulus conversion chip AD；
Being respectively arranged with temperature sensor on each lasing light emitter, the feedback end of lasing light emitter and the outfan of temperature sensor connect respectively
Connect the input of modulus conversion chip AD；
Described power supply chip is for powering to FPGA processing unit and modulus conversion chip AD.
A kind of multi-path laser power supply board for electronic mutual inductor the most according to claim 1, it is characterised in that digital-to-analogue
Conversion chip DA uses AD568X series.
A kind of multi-path laser power supply board for electronic mutual inductor the most according to claim 1, it is characterised in that computing
Amplifier uses OPX177 series.
A kind of multi-path laser power supply board for electronic mutual inductor the most according to claim 1, it is characterised in that also wrap
Including differential driving module, FPGA processing unit is mutual with differential driving module, differential driving module through differential signal interface with upper
Position machine connects.
A kind of multi-path laser power supply board for electronic mutual inductor the most according to claim 1, it is characterised in that modulus
Conversion chip AD uses AD7606X series.
A kind of multi-path laser power supply board for electronic mutual inductor the most according to claim 1, it is characterised in that temperature
Sensor uses TMP3X series.
A kind of multi-path laser power supply board for electronic mutual inductor the most according to claim 1, it is characterised in that power supply
Chip, FPGA processing unit, analog-digital chip DA and modulus conversion chip AD be sequentially arranged in from top to bottom board laterally in
Between right side, multiple strip laser instrument are laterally disposed and longitudinal arrangement board laterally in the middle of left side；Multiple lasing light emitters
Being connected by heat-conducting silicone grease the most respectively and have fin, fin is fixed on board by copper post.
A kind of multi-path laser power supply board for electronic mutual inductor the most according to claim 1, it is characterised in that also wrap
Include the socket being fixed on board side, be arranged on the light mouth receptor of board opposite side, display lamp and switch；Switch is arranged on and connects
The feeder ear of FPGA processing unit, light mouth receptor connects in lasing light emitter, and display lamp is connected with FPGA processing unit；Set on socket
It is equipped with the power supply interface of 5V and 12V being powered respectively to power supply chip and lasing light emitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679173.5U CN205790953U (en) | 2016-06-30 | 2016-06-30 | A kind of multi-path laser power supply board for electronic mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679173.5U CN205790953U (en) | 2016-06-30 | 2016-06-30 | A kind of multi-path laser power supply board for electronic mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205790953U true CN205790953U (en) | 2016-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620679173.5U Active CN205790953U (en) | 2016-06-30 | 2016-06-30 | A kind of multi-path laser power supply board for electronic mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205790953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501580A (en) * | 2016-12-23 | 2017-03-15 | 中国西电电气股份有限公司 | A kind of integrated form isolation circuit breakers and its electronic transformer collector |
-
2016
- 2016-06-30 CN CN201620679173.5U patent/CN205790953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106501580A (en) * | 2016-12-23 | 2017-03-15 | 中国西电电气股份有限公司 | A kind of integrated form isolation circuit breakers and its electronic transformer collector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |