CN207923984U - A kind of wireless Rogowski coil integrator - Google Patents
A kind of wireless Rogowski coil integrator Download PDFInfo
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- CN207923984U CN207923984U CN201820199379.7U CN201820199379U CN207923984U CN 207923984 U CN207923984 U CN 207923984U CN 201820199379 U CN201820199379 U CN 201820199379U CN 207923984 U CN207923984 U CN 207923984U
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- rogowski coil
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Abstract
The utility model discloses a kind of wireless Rogowski coil integrators, the acquisition signal is simultaneously transferred to display terminal by acquisition signal for receiving and processing Rogowski coil, integrator includes main control module and wireless sending module, display terminal includes wireless receiving module, main control module is used to receive and process the acquisition signal of Rogowski coil, wireless sending module is electrically connected with main control module, and wireless sending module is for by treated, data to be sent to wireless receiving module.Rogowski coil integrator disclosed by the utility model directly can will convert acquisition gained signal to digital signal, and have the function of data processing, while can will treated that data are wirelessly sent.
Description
Technical field
The utility model is related to power test technical field more particularly to a kind of wireless Rogowski coil integrators.
Background technology
Gradual with intelligent digital ammeter is popularized, and distributed testing is more and more to the modularization demand of test device,
Rogowski coil has been commonly used to Super-Current Measurement at present, due to its configuration flexibility, can be mounted on various narrow spaces, mating
Integrator need to provide power interface and input/output port, in multiple integrators simultaneously in use, wiring will become
Cumbersome, maintenance cost also accordingly increases.Meanwhile longer lead also brings along interference, influences measurement accuracy.
Utility model content
To solve the deficiencies in the prior art, the utility model provides, and the technical solution of the utility model is as follows：
A kind of wireless Rogowski coil integrator, acquisition signal for receiving and processing Rogowski coil simultaneously believe the acquisition
It number is transferred to display terminal, the integrator includes main control module and wireless sending module, and the display terminal includes wirelessly connecing
Module is received, the main control module is used to receive and process the acquisition signal of Rogowski coil, the wireless sending module and the master
It controls module to be electrically connected, the wireless sending module is for by treated, data to be sent to the wireless receiving module.
Further, the main control module is microcontroller, and the microcontroller includes A/D acquisition modules and data processing mould
Block, the A/D acquisition modules for will acquire signal progress analog-to-digital conversion and be transferred to the data processing module further into
Row data processing.
Further, the integrator further includes integrating amplification circuit, and the A/D acquisition modules are amplified by the integral
Circuit obtains the current signal of Rogowski coil acquisition.
Further, the integrator further includes signal conditioning circuit, and the A/D acquisition modules pass through the signal condition
Circuit obtains the voltage signal of external power supply.
Further, the integrator further includes power module, and the power module is electrically connected with external power supply, described
Power module is master control module for power supply.
Compared with prior art, the beneficial effects of the utility model are：Rogowski coil integrator disclosed by the utility model
It directly can will convert acquisition gained signal to digital signal, and and have the function of data processing, while can will be after processing
Data wirelessly send.
Description of the drawings
Fig. 1 is the structure principle chart of the utility model；
Fig. 2 is the structure principle chart of the wireless Rogowski coil integrator of multichannel practicality；
Fig. 3 is the systematic schematic diagram of the utility model.
In figure：1, Rogowski coil；2, copper bar bus line；3, integrator；4, external power supply；5, wireless receiving module；6, digital
Ammeter.
Specific implementation mode
In the following, in conjunction with attached drawing and specific implementation mode, the utility model is described further, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
A kind of wireless Rogowski coil integrator, as shown in Figure 1, for receiving and processing the acquisition signal of Rogowski coil 1 simultaneously
The acquisition signal is transferred to display terminal, Rogowski coil 1 obtains the current signal of energized conductor by induction, wherein band
Electric conductor includes but not limited to copper bar bus line 2, and is translated into differentiated voltage signal, is transferred to integrator 3.Integrator 3 wraps
Main control module and wireless sending module are included, display terminal is digital electric meter 6, and digital electric meter 6 includes and unlimited sending module phase
The wireless receiving module 5 for the data interaction agreement matched, main control module are used to receive the differentiated voltage signal that Rogowski coil is acquired,
The differentiated voltage signal is transferred to wireless sending module by conversion and data processing, and wireless sending module is electrical with main control module
Connection, wireless sending module be used for will treated that data are sent to wireless receiving module, to complete the reception of data and aobvious
Show.
When thering is multichannel energized conductor to need while measuring, as shown in Fig. 2, multiple wireless Rogowski coils equally may be used
Integrator carries out signal acquisition, avoids the trouble of multichannel wiring.
Wherein, as shown in figure 3, main control module is preferably microcontroller i.e. MCU, microcontroller includes A/D acquisition modules and data
Processing module, A/D acquisition modules are used to the analog signal of acquisition gained being converted to digital signal, and the digital signal is transmitted
Data processing is further carried out to data processing module.
Wireless Rogowski coil integrator further includes integrating amplification circuit, and the current signal of Rogowski coil acquisition is converted to differential
After voltage signal, it is transferred to A/D acquisition modules through the integral amplification module and carries out analog-to-digital conversion, obtain current digital signal.
Wireless Rogowski coil integrator further includes signal conditioning circuit, and the voltage signal of external power supply 4 passes through signal condition
The decompression and processing of circuit are transferred to A/D acquisition modules and carry out analog-to-digital conversion, obtain voltage digital signal.
By above-mentioned current digital signal and voltage digital signal, data processing module is by can be calculated phase voltage
Electrical power data, in addition, again by obtain microcontroller in clock signal, energy data may further be obtained.
Further include power module in wireless Rogowski coil integrator, includes decompression between power module and external power supply
Device, power module are electrically connected to obtain power supply by reducing transformer and external power supply 4, and power module is master control module for power supply,
Its operating voltage is 3.3V；Wherein, external power supply 4 is the alternating-current voltage source of AC220V.
In conclusion Rogowski coil integrator disclosed in the present application compared with prior art in integrator have it is following excellent
Point：
1) have high reliability, due to reducing cabling, utmostly avoid the signal interference introduced by cabling；
2) installation is more convenient, reduces the maintenance cost of product and replaces risk；
3) integrator is included measures and calculates, exportable electric energy and power data；
4) design of coil and integrator one, more meets modularization measurement demand.
The above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model
Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model range claimed.
Claims (5)
1. a kind of wireless Rogowski coil integrator, acquisition signal for receiving and processing Rogowski coil and by the acquisition signal
It is transferred to display terminal, it is characterised in that：The integrator includes main control module and wireless sending module, the display terminal packet
Wireless receiving module is included, the main control module is used to receive and process the acquisition signal of Rogowski coil, the wireless sending module
It is electrically connected with the main control module, the wireless sending module is for by treated, data to be sent to the wireless receiving mould
Block.
2. wireless Rogowski coil integrator as described in claim 1, it is characterised in that：The main control module is microcontroller, institute
It includes A/D acquisition modules and data processing module to state microcontroller, and the A/D acquisition modules carry out modulus turn for that will acquire signal
It changes and is transferred to the data processing module and further carry out data processing.
3. wireless Rogowski coil integrator as claimed in claim 2, it is characterised in that：The integrator further includes integral amplification
Circuit, the A/D acquisition modules obtain the current signal that Rogowski coil acquires by the integrating amplification circuit.
4. wireless Rogowski coil integrator as claimed in claim 3, it is characterised in that：The integrator further includes signal condition
Circuit, the A/D acquisition modules obtain the voltage signal of external power supply by the signal conditioning circuit.
5. wireless Rogowski coil integrator as claimed in claim 4, it is characterised in that：The integrator further includes power supply mould
Block, the power module are electrically connected with external power supply, and the power module is master control module for power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199379.7U CN207923984U (en) | 2018-02-02 | 2018-02-02 | A kind of wireless Rogowski coil integrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820199379.7U CN207923984U (en) | 2018-02-02 | 2018-02-02 | A kind of wireless Rogowski coil integrator |
Publications (1)
| Publication Number | Publication Date |
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| CN207923984U true CN207923984U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820199379.7U Active CN207923984U (en) | 2018-02-02 | 2018-02-02 | A kind of wireless Rogowski coil integrator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730966A (en) * | 2020-12-30 | 2021-04-30 | 苏州工业园区科佳自动化有限公司 | Intelligent thunder and lightning recorder |
-
2018
- 2018-02-02 CN CN201820199379.7U patent/CN207923984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730966A (en) * | 2020-12-30 | 2021-04-30 | 苏州工业园区科佳自动化有限公司 | Intelligent thunder and lightning recorder |
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