CN206300987U - A kind of ac and dc current isolating transmitter - Google Patents
A kind of ac and dc current isolating transmitter Download PDFInfo
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- CN206300987U CN206300987U CN201621409346.8U CN201621409346U CN206300987U CN 206300987 U CN206300987 U CN 206300987U CN 201621409346 U CN201621409346 U CN 201621409346U CN 206300987 U CN206300987 U CN 206300987U
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Abstract
The utility model discloses a kind of ac and dc current isolating transmitter, including for input exchange signal or direct current signal, and the AC signal or the direct current signal are converted to the Hall sensor of first voltage signal, for the V/I translation circuits by the processor that the first voltage signal transacting is the accurate second voltage signal of stabilization, and for the second voltage signal to be converted to the electric current pick-up output signal of standard and export；The output end of the Hall sensor is connected with the input of the processor, and the output end of the processor is connected with the input of the V/I translation circuits.Using the utility model embodiment, can common AC current and DC current, expansion use scope.
Description
Technical field
The utility model is related to transmitter technical field, more particularly to a kind of ac and dc current isolating transmitter.
Background technology
Current transducer in the market is generally single ac current measurement transmitter or DC current measurement pick-up
Device, and way is all many on 1~3 tunnel, the product of AC and DC electric current more than rarer 3 tunnel can be simultaneously measured, for one
To measure that way is more simultaneously a bit or user of measurement AC and DC electric current simultaneously for cannot meet at all and use.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of ac and dc current isolating transmitter, can be general
Alternating current and DC current, expansion use scope.
To solve above technical problem, the utility model embodiment provides a kind of ac and dc current isolating transmitter, including
For input exchange signal or direct current signal, and the AC signal or the direct current signal are converted into first voltage signal
Hall sensor, for by the processor that the first voltage signal transacting is the accurate second voltage signal of stabilization, Yi Jiyong
In the electric current pick-up output signal that the second voltage signal is converted to standard and the V/I translation circuits for exporting；
The output end of the Hall sensor is connected with the input of the processor, the output end of the processor and institute
State the input connection of V/I translation circuits.
Further, the processor includes for gathering the first voltage signal, and by the first voltage signal
The signal acquisition circuit of data signal is converted to, for the data signal to be carried out into computing, treatment, control, and PWM letters is exported
Number signal processing circuit, and for by the pwm signal be converted to stabilization precision second voltage signal integrating circuit；
The output end of the Hall sensor is connected with the input of the signal acquisition circuit, the signal acquisition circuit
Output end be connected with the input of the signal processing circuit, the output end of the signal processing circuit and the integrating circuit
Input connection, the output end of the integrating circuit is connected with the input of the V/I translation circuits.
Further, the Hall sensor includes N number of current input terminal, and each described current input terminal is used to be input into be handed over
Stream signal or direct current signal；
The V/I translation circuits include N number of standard signal output end, and each described standard signal output end is used to export to be marked
Accurate electric current pick-up output signal；Wherein, N >=1.
Further, N=12.
Further, the ac and dc current isolating transmitter is also included for 24V accessory power supplys to be converted into different electricity
Pressure, respectively described Hall sensor, the signal acquisition circuit, the signal processing circuit, the integrating circuit and described
The power circuit that V/I translation circuits are powered；
The output end of power circuit power input, the signal acquisition circuit respectively with the Hall sensor
Power input, the power input of the signal processing circuit, the power input of the integrating circuit, the V/I become
Change the power input connection of circuit.
Further, the power circuit is included for 24V accessory power supplys to be converted into ± 8V voltages, with to the Hall
The first voltage circuit of sensor power, for 24V accessory power supplys to be converted into 5V voltages, with to the signal acquisition circuit,
The second voltage circuit that the signal processing circuit and the integrating circuit are powered, and for providing 24 voltages to the V/I
The tertiary voltage circuit that translation circuit is powered；
The output end of the first voltage circuit is connected with the power input of the Hall sensor, the second voltage
The output end of circuit power input respectively with the signal acquisition circuit, the power input of the signal processing circuit,
The power input connection of the integrating circuit, the power supply of the output end of the tertiary voltage circuit and the V/I translation circuits
Input is connected.
Further, the ac and dc current isolating transmitter also includes substrate；The Hall sensor, the processor
Installed on the substrate with the V/I translation circuits.
Further, the substrate is provided with the location hole installed suitable for various Industry Control cabinets and industry control cabinet.
The ac and dc current isolating transmitter that the utility model embodiment is provided, can be by Hall sensor input AC
Signal or direct current signal, are processed AC signal or direct current signal by the processor being connected with Hall sensor, are passed through
The V/I translation circuits being connected with processor are exported the electric current pick-up output signal that the signal after treatment is converted to standard,
It is applied to alternating current and DC current simultaneously, alternating current and DC current is measured respectively without changing product, carries
The use scope of transmitter high；Hall sensor provides the input of 12 tunnels, can simultaneously measure 12 road current signal virtual values, convenient to use
Family uses, and reduces cost；Installed using bare board location hole, be adapted to the mounting means of various Industry Control cabinets and industry control cabinet,
Improve space availability ratio during user installation.
Brief description of the drawings
Fig. 1 is the structural representation of the one embodiment for the ac and dc current isolating transmitter that the utility model is provided；
Fig. 2 is the structural representation of another embodiment of the ac and dc current isolating transmitter that the utility model is provided；
Fig. 3 is the physical dimension of one embodiment of substrate in the ac and dc current isolating transmitter that the utility model is provided
Schematic diagram.
Specific 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 the structural representation of the one embodiment for the ac and dc current isolating transmitter that the utility model is provided referring to Fig. 1
Figure.
The present embodiment provides a kind of ac and dc current isolating transmitter, including for input exchange signal or direct current signal,
And the AC signal or the direct current signal be converted to the Hall sensor 1 of first voltage signal, for by described first
Voltage signal is processed as the processor 2 of the second voltage signal of stabilization precision, and for the second voltage signal to be changed
It is the electric current pick-up output signal and the V/I translation circuits 3 of output of standard；
The output end of the Hall sensor 1 is connected with the input of the processor 2, the output end of the processor 2
Input with the V/I translation circuits 3 is connected.
It should be noted that Hall sensor input exchange signal or direct current signal carry out true rms measurement, and will be defeated
The AC signal or direct current signal for entering are converted to first voltage signal and are sent to processor, and processor receives first voltage letter
Number, and the first voltage signal is changed, computing, treatment, after the sequence of operations such as control, output stabilization it is accurate second
To V/I translation circuits, V/I translation circuits receive the electric current pick-up output that standard is converted to after the second voltage signal to voltage signal
Signal, and the electric current pick-up output signal of the standard is exported, complete the work of transmitter.The embodiment of the present invention uses high reliability
Hall sensor, true rms measurement comes Measuring Alternating Current Signal and direct current signal, you can outputting standard is straight without changing product
The general use scope that improve transmitter of stream voltage or current signal, AC signal and direct current signal.
Further, as shown in Fig. 2 the processor 2 is included for gathering the first voltage signal, and by described the
One voltage signal is converted to the signal acquisition circuit 21 of data signal, for the data signal to be carried out into computing, treatment, control
System, and output pwm signal signal processing circuit 22, and for by the pwm signal be converted to stabilization precision second electricity
Press the integrating circuit 23 of signal；
The output end of the Hall sensor 1 is connected with the input of the signal acquisition circuit 21, the signal acquisition
The output end of circuit 21 is connected with the input of the signal processing circuit 22, the output end of the signal processing circuit 22 and institute
The input connection of integrating circuit 23 is stated, the output end of the integrating circuit 23 connects with the input of the V/I translation circuits 3
Connect.
It should be noted that processor is made up of signal acquisition circuit, signal processing circuit, integrating circuit.Hall is passed
The AC signal or direct current signal of input are converted to first voltage signal by sensor after input exchange signal or direct current signal,
Signal acquisition circuit gather first voltage signal, and by first voltage signal be converted to data signal be sent to signal transacting electricity
Road, the data signal that signal processing circuit will be transmitted carries out computing, treatment, control, output PWM (Pulse Width
Modulation, pulse width modulation) to integrating circuit, the pwm signal that integrating circuit will be transmitted is transformed to stabilization to signal
Accurate second voltage signal, and this is stablized into accurate second voltage signal transmission to V/I translation circuits, V/I translation circuits
The second voltage signal that will be transmitted is converted to the electric current pick-up output signal of standard and exports.
Further, as shown in Fig. 2 the Hall sensor 1 includes N number of current input terminal vin, each described electric current is defeated
Entering end 11 is used for input exchange signal or direct current signal；
The V/I translation circuits 3 include N number of standard signal output end vout, and each described standard signal output end 31 is used
In the electric current pick-up output signal of outputting standard；Wherein, N >=1.
Preferably, N=12.
It should be noted that Hall sensor preferably has 12 current input terminals, V/I translation circuits preferably have 12 standards
Signal output part.Wherein, there are 12 road circuits in Hall sensor, 12 road alternating currents or DC current can be simultaneously input into, from
And be converted to 12 tunnel first voltage signals to signal acquisition circuit.There are 12 road circuits in signal acquisition circuit, can gather respectively
Its corresponding first voltage signal, and first voltage signal is converted into data signal, so as to export 12 railway digital signals to letter
Number processing module.Signal processing module carries out computing, treatment, control to 12 railway digital signals respectively, exports 12 road pwm signal roads
Integrating circuit.There are 12 road circuits in integrating circuit, its corresponding pwm signal can be converted to the second electricity of stabilization precision respectively
Pressure signal, so as to export 12 tunnel second voltage signals.There are 12 road circuits in V/I translation circuits, can respectively by its corresponding the
Two voltage signals are converted to the electric current pick-up output signal of standard, so as to export 12 tunnel standards by 12 road sign pseudotype output ends
Electric current pick-up output signal.The embodiment of the present invention provides the input of 12 road alternating currents or DC current, can simultaneously measure 12
Road current signal virtual value, at the more scene of measurement way, a transmitter can be solved, and facilitate client to use, and be reduced into
This.
Further, the ac and dc current isolating transmitter is also included for 24V accessory power supplys to be converted into different electricity
Pressure, respectively described Hall sensor 1, the signal acquisition circuit 21, the signal processing circuit 22, the integrating circuit 23
The power circuit 4 powered with the V/I translation circuits 3；
The output end of the power circuit 4 power input, signal acquisition electricity respectively with the Hall sensor 1
The power input on road 21, the power input of the signal processing circuit 22, the power input of the integrating circuit 23, institute
State the power input connection of V/I translation circuits 3.
It should be noted that in transmitter also have power circuit, power circuit be input into 24V accessory power supplys after, according to
Power supply needed for Hall sensor, signal acquisition circuit, signal processing circuit, integrating circuit and V/I translation circuits is pressed, right
24V accessory power supplys are changed, and are powered as each circuit with changing different voltages.
Further, the power circuit is included for 24V accessory power supplys to be converted into ± 8V voltages, with to the Hall
The first voltage circuit of sensor power, for 24V accessory power supplys to be converted into 5V voltages, with to the signal acquisition circuit,
The second voltage circuit that the signal processing circuit and the integrating circuit are powered, and for providing 24 voltages to the V/I
The tertiary voltage circuit that translation circuit is powered；
The output end of the first voltage circuit is connected with the power input of the Hall sensor, the second voltage
The output end of circuit power input respectively with the signal acquisition circuit, the power input of the signal processing circuit,
The power input connection of the integrating circuit, the power supply of the output end of the tertiary voltage circuit and the V/I translation circuits
Input is connected.
It should be noted that the supply voltage needed for Hall sensor is ± 8V voltages, signal acquisition circuit, signal transacting
It is 5V voltages that power supply needed for circuit and integrating circuit is pressed, and the voltage needed for V/I translation circuits is 24V voltages, then power supply
24V accessory power supplys are respectively converted into ± 8V and 5V voltage outputs by circuit, wherein, ± 8V voltages are powered to Hall sensor, 5V
Voltage is powered to signal acquisition circuit, signal processing circuit and integrating circuit, in addition, directly provide 24V voltages converts electricity to V/I
Road powers.
Further, as shown in figure 3, the ac and dc current isolating transmitter also includes substrate 5；The Hall sensor
1st, the processor 2 and the V/I translation circuits 3 are arranged on the substrate 5.
Further, the substrate 5 is provided with the location hole installed suitable for various Industry Control cabinets and industry control cabinet.
It should be noted that as shown in figure 3, the surrounding of substrate 5 be additionally provided with location hole 51, location hole 52, location hole 53,
Location hole 54, location hole 55, location hole 56, location hole 57 and location hole 58, substrate 5 250.0224mm long, 141.9388mm wide,
Location hole 51, location hole 52, location hole 53, location hole 54, location hole 55 are located at a line, location hole 56, location hole 57, location hole
58 are located at a line.Wherein, location hole 51 and the spacing that the spacing of location hole 52 is 57.9374mm, location hole 52 and location hole 53
It is 85.1408mm, the spacing of location hole 53 and location hole 54 is 56.8706mm, the spacing of location hole 56 and location hole 57 is
The spacing of 101.1175mm, location hole 57 and location hole 58 is 134.62mm, and location hole 55 is located at a row with location hole 58, therebetween
Away from being 129.2606.The mounting means of bare board location hole is applied to various Industry Control cabinets and industry control cabinet mounting means, convenient
Succinctly, space availability ratio when having wide range of applications, and improve user installation.
The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moisten
Decorations are also considered as protection domain of the present utility model.
Claims (8)
1. a kind of ac and dc current isolating transmitter, it is characterised in that including for input exchange signal or direct current signal, and will
The AC signal or the direct current signal are converted to the Hall sensor of first voltage signal, for the first voltage to be believed
The processor of the second voltage signal of stabilization precision number is processed as, and for the second voltage signal to be converted into standard
Electric current pick-up output signal and the V/I translation circuits for exporting；
The output end of the Hall sensor is connected with the input of the processor, the output end of the processor and the V/
The input connection of I translation circuits.
2. ac and dc current isolating transmitter as claimed in claim 1, it is characterised in that the processor is included for gathering
The first voltage signal, and the first voltage signal is converted to the signal acquisition circuit of data signal, for by described in
Data signal carries out the signal processing circuit of computing, treatment, control, and output pwm signal, and for by the pwm signal
Be converted to the integrating circuit of the second voltage signal of stabilization precision；
The output end of the Hall sensor is connected with the input of the signal acquisition circuit, the signal acquisition circuit it is defeated
Go out end to be connected with the input of the signal processing circuit, the output end of the signal processing circuit is defeated with the integrating circuit
Enter end connection, the output end of the integrating circuit is connected with the input of the V/I translation circuits.
3. ac and dc current isolating transmitter as claimed in claim 1, it is characterised in that the Hall sensor includes N number of
Current input terminal, each described current input terminal is used for input exchange signal or direct current signal；
The V/I translation circuits include N number of standard signal output end, and each described standard signal output end is used for outputting standard
Electric current pick-up output signal；Wherein, N >=1.
4. ac and dc current isolating transmitter as claimed in claim 3, it is characterised in that N=12.
5. ac and dc current isolating transmitter as claimed in claim 2, it is characterised in that the ac and dc current isolates pick-up
Device also includes that for 24V accessory power supplys to be converted into different voltages respectively described Hall sensor, the signal acquisition are electric
The power circuit that road, the signal processing circuit, the integrating circuit and the V/I translation circuits are powered；
The output end of power circuit power input, the electricity of the signal acquisition circuit respectively with the Hall sensor
Source input, the power input of the signal processing circuit, the power input of the integrating circuit, V/I conversion electricity
The power input connection on road.
6. ac and dc current isolating transmitter as claimed in claim 5, it is characterised in that the power circuit is included for will
24V accessory power supplys are converted to ± 8V voltages, with the first voltage circuit powered to the Hall sensor, for 24V to be aided in
Power convert is 5V voltages, with powered to the signal acquisition circuit, the signal processing circuit and the integrating circuit the
Two potential circuits, and for providing the tertiary voltage circuit that 24 voltages are powered to the V/I translation circuits；
The output end of the first voltage circuit is connected with the power input of the Hall sensor, the second voltage circuit
Output end power input respectively with the signal acquisition circuit, power input of the signal processing circuit, described
The power input connection of integrating circuit, the power input of the output end of the tertiary voltage circuit and the V/I translation circuits
End connection.
7. the ac and dc current isolating transmitter as described in any one of claim 1 to 6, it is characterised in that the alterating and direct current
Stream isolating transmitter also includes substrate；The Hall sensor, the processor and the V/I translation circuits are arranged on the base
On plate.
8. ac and dc current isolating transmitter as claimed in claim 7, it is characterised in that the substrate is provided with suitable for each
Plant the location hole that Industry Control cabinet and industry control cabinet are installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409346.8U CN206300987U (en) | 2016-12-21 | 2016-12-21 | A kind of ac and dc current isolating transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621409346.8U CN206300987U (en) | 2016-12-21 | 2016-12-21 | A kind of ac and dc current isolating transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206300987U true CN206300987U (en) | 2017-07-04 |
Family
ID=59213906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621409346.8U Active CN206300987U (en) | 2016-12-21 | 2016-12-21 | A kind of ac and dc current isolating transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206300987U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656295A (en) * | 2018-11-27 | 2019-04-19 | 江阴市星火电子科技有限公司 | A kind of Rogowski coil dedicated AC power turns current converter |
| CN110187158A (en) * | 2019-06-26 | 2019-08-30 | 南京林业大学 | A kind of two-wire system Hall-type RMS current transmitter |
-
2016
- 2016-12-21 CN CN201621409346.8U patent/CN206300987U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109656295A (en) * | 2018-11-27 | 2019-04-19 | 江阴市星火电子科技有限公司 | A kind of Rogowski coil dedicated AC power turns current converter |
| CN110187158A (en) * | 2019-06-26 | 2019-08-30 | 南京林业大学 | A kind of two-wire system Hall-type RMS current transmitter |
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