CN209264808U - A kind of two-way three-phase voltage collector - Google Patents
A kind of two-way three-phase voltage collector Download PDFInfo
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- CN209264808U CN209264808U CN201821995459.XU CN201821995459U CN209264808U CN 209264808 U CN209264808 U CN 209264808U CN 201821995459 U CN201821995459 U CN 201821995459U CN 209264808 U CN209264808 U CN 209264808U
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- voltage
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Abstract
The utility model discloses a kind of two-way three-phase voltage collectors, including collector shell and collector systems, collector outer surface of outer cover is provided with LED digital display screen, collector systems are by two-way three-phase collector for processing plate, two-way three-phase collector voltage detecting plate and temperature and humidity acquisition module composition, two-way three-phase collector for processing plate and two-way three-phase collector voltage detecting plate are collector interior of shell structure, temperature and humidity acquisition module is collector shell exterior access infrastructure, two-way three-phase collector for processing plate is by the first communication interface, ADC converting unit and data processing unit composition, the utility model can acquire the three-phase voltage value of two-way input voltage, acquire the temperature and humidity environmental variance in power cabinet, it can handle in real time, it is accurate with the high data of precision, transmit reliable feature.
Description
Technical field
The utility model relates to voltage collector technical fields, more specifically, in particular to a kind of two-way three-phase voltage
Collector.
Background technique
Currently, the extensive use of power electronic equipment and non-linear equipment is easy to make the waveform of voltage in power grid, electric current
It is distorted, the quality of electric energy will be severely impacted and threaten；Meanwhile various high-performance household electrical appliance, office equipment, precision
The automation control appliance of instrument production process is constantly universal to the sensitivity of power supply quality and improves.Power Quality Detection is current
An international research hotspot, it is necessary to three-phase electric signal is acquired, convenient for further analysis and control, improve electricity
Can quality, to guarantee that computer room can work steadily in the long term, it is necessary to assure computer room the problem or potential is asked in the process of running
Topic is reflected to staff in real time and knows.The automatic control of high-performance household electrical appliance, accurate laboratory apparatus, accurate generating process
Equipment etc. is more sensitive to power supply quality, and the requirement being continuously improved to power system power supply quality is higher and higher, so needing
A kind of high-precision, the equipment that high-precision acquisition is carried out to three-phase power information.
Utility model content
The purpose of this utility model is to provide a kind of two-way three-phase voltage collectors.
In order to achieve the above object, the technical solution adopted in the utility model is as follows: a kind of two-way three-phase voltage collector,
Including collector shell and collector systems, the collector outer surface of outer cover is provided with LED digital display screen, the collector systems
It is made of two-way three-phase collector for processing plate, two-way three-phase collector voltage detecting plate and temperature and humidity acquisition module, the two-way
Three-phase collector for processing plate and two-way three-phase collector voltage detecting plate are collector interior of shell structure, and the temperature and humidity is adopted
Integrate module as collector shell exterior access infrastructure, the two-way three-phase collector for processing plate is converted by the first communication interface, ADC
Unit and data processing unit composition, the data processing unit input terminal is communicated with ADC converting unit and the 1st respectively to be connect
The output end connection of mouth, data processing unit output end are connect with LED digital display screen, the two-way three-phase collector voltage detecting plate
DC unit is turned by the first AC, the 2nd AC turns DC unit, DC amplifying unit, the 2nd 485 communication interface and the 3rd 485 communication interface group
Turn the 2nd AC of DC unit at, the first AC and turn the output end of DC unit to connect with the input terminal of DC amplifying unit, the DC
The output end of amplifying unit is connect with the input terminal of ADC converting unit, the output end and first of the 2nd 485 communication interface
The input terminal of 485 communication interfaces connects, and the input terminal of the 2nd 485 communication interface is connect with the output end of the 3rd 485 communication interface,
The input terminal of 3rd 485 communication interface and the output end of temperature and humidity acquisition module connect,
Further, the DC amplifying unit is DC voltage amplification chip.
Further, the ADC converting unit is the processing chip of two-way three-phase collector for processing plate.
Further, the two-way three-phase collector for processing plate further includes five groups of adjustable resistance groups, the DC amplifying unit
It is connect by five groups of adjustable resistance groups with ADC converting unit.
Further, the two-way three-phase collector for processing plate further includes eeprom memory, the eeprom memory
It is connect with LED digital display screen.
Compared with the prior art, the advantages of the utility model are:
The three-phase voltage value of two-way input voltage can be acquired, the temperature and humidity environmental variance in power cabinet, Neng Goushi are acquired
When handle, have the characteristics that the high data of precision are accurate, transmission is reliable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structure chart of two-way three-phase voltage collector of the utility model；
Fig. 2 is a kind of system framework figure of two-way three-phase voltage collector of the utility model；
Fig. 3 is a kind of core processor chip circuit figure of two-way three-phase voltage collector of the utility model.
In figure: collector shell 1, LED digital display screen 2, the one 485 communication interface 3, ADC converting unit 4, data processing list
5, the first AC turns DC unit 6 to member, the 2nd AC turns DC unit 7, the communication of DC amplifying unit 8, the 2nd 485 communication interface the 9, the 3rd 485
Interface 10, temperature and humidity acquisition module 11.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Refering to fig. 1, shown in Fig. 2 and Fig. 3, the utility model provides a kind of two-way three-phase voltage collector, including collector
Shell 1 and collector systems, 1 outer surface of collector shell are provided with LED digital display screen 2, and collector systems are acquired by two-way three-phase
Device processing board, two-way three-phase collector voltage detecting plate and temperature and humidity acquisition module 11 form, and temperature collecting module 11 is temperature
Sensor, two-way three-phase collector for processing plate and two-way three-phase collector voltage detecting plate are 1 internal structure of collector shell,
For the core processor of processing board using the stm32f101 of STC Corporation as Main Processor Unit, which is integrated with 12
The adc conversion module of position precision, is connect by interface with voltage detecting plate, and the D/C voltage that detection plate inputs is converted, is located
Reason, circuit diagram are as shown in Figure 3.
Processing board uses MAX485 chip, and the serial communication of stm32f101 is converted to 485 communications, humiture collection mould
Block 11 is 1 outside access infrastructure of collector shell, and two-way three-phase collector for processing plate is converted by the one 485 communication interface 3, ADC
Unit 4 and data processing unit 5 form, and 5 input terminal of data processing unit is communicated with ADC converting unit 4 and the 1st respectively to be connect
The output end connection of mouth 3,5 output end of data processing unit are connect with LED digital display screen 2, two-way three-phase collector voltage detecting plate
DC unit 6 is turned by the first AC, the 2nd AC turns DC unit 7, the communication of DC amplifying unit 8, the 2nd 485 communication interface 9 and the 3rd 485 connects
Mouthfuls 10 form, and the first AC turns the 2nd AC of DC unit 6 and turn the output end of DC unit 7 to connect with the input terminal of DC amplifying unit 8, AD
Turn DC unit by mutual inductor High Level AC Voltage by current limliting, decompression is converted into low-voltage AC, then by full-bridge rectification at
Low-voltage dc voltage is transported to DC amplifying unit, and the output end of DC amplifying unit 8 is connect with the input terminal of ADC converting unit 4,
The output end of 2nd 485 communication interface 9 is connect with the input terminal of the one 485 communication interface 3, the input of the 2nd 485 communication interface 9
End is connect with the output end of the 3rd 485 communication interface 10, the input terminal and temperature and humidity acquisition module 11 of the 3rd 485 communication interface 10
Output end connection, using 485 differential communications, strong antijamming capability, long transmission distance, it is ensured that the accuracy of data.
In the present embodiment, DC amplifying unit 8 is DC voltage amplification chip, the low voltage DC voltage of input can be passed through conjunction
Suitable ratio adjustment, the D/C voltage that output can allow single-chip microcontroller to identify, detect, calculate.
In the present embodiment, ADC converting unit 4 is the processing chip of two-way three-phase collector for processing plate.
In the present embodiment, two-way three-phase collector for processing plate further includes five groups of adjustable resistance groups, and DC amplifying unit 8 passes through five
Group adjustable resistance group is connect with ADC converting unit 4, by adjusting adjustable resistance, can be refined ground adjustment and is sent to inside processor
The D/C voltage of adc improves accuracy rate.
In the present embodiment, two-way three-phase collector for processing plate further includes eeprom memory, the eeprom memory with
LED digital display screen 2 connects, and can temporarily store and be not required to data to be shown, and when carrying out display switching, processor deposits current information
Enter in EPPROM and reads the information that will be shown.
The course of work: prepare high-accuracy, adjustable alternating current steady voltage plug, digital multimeter, oscillograph, a two-way three-phase
Collection plate is a set of.Alternating current steady voltage plug is linked into collection plate corresponding interface by exporting exchange, waits for peacefully 20 minutes, adjusts processing board
On adjustable resistance so that shown on digital display plate number it is close with alternating current steady voltage plug, adjust the output of alternating current steady voltage plug
Voltage records the phase voltage on the road digital display Ban Shangge, table is made.The precision of the equipment is tested by repeatedly sampling.
Although being described in conjunction with the accompanying the embodiments of the present invention, patent owner can want in appended right
Various deformations or amendments are made within the scope of asking, as long as the claim for being no more than the utility model is described to protect model
It encloses, should all be within the protection scope of the utility model.
Claims (5)
1. a kind of two-way three-phase voltage collector, including collector shell (1) and collector systems, it is characterised in that: described to adopt
Storage shell (1) outer surface is provided with LED digital display screen (2), and the collector systems are by two-way three-phase collector for processing plate, two-way
Three-phase collector voltage detecting plate and temperature and humidity acquisition module (11) composition, the two-way three-phase collector for processing plate and two-way three
Phase collector voltage detecting plate is collector shell (1) internal structure, and the temperature and humidity acquisition module (11) is outside collector
The external access infrastructure of shell (1), the two-way three-phase collector for processing plate is by the one 485 communication interface (3), ADC converting unit (4)
With data processing unit (5) form, data processing unit (5) input terminal respectively with ADC converting unit (4) and the 1st
The output end of communication interface (3) connects, and data processing unit (5) output end is connect with LED digital display screen (2), the two-way three-phase
Collector voltage detecting plate turns DC unit (6) by the first AC, the 2nd AC turns DC unit (7), DC amplifying unit (8), the 2nd 485 logical
Believe interface (9) and the 3rd 485 communication interface (10) composition, the first AC turns the 2nd AC of DC unit (6) and turns the defeated of DC unit (7)
Outlet is connect with the input terminal of DC amplifying unit (8), output end and ADC converting unit (4) of the DC amplifying unit (8)
Input terminal connection, the output end of the 2nd 485 communication interface (9) are connect with the input terminal of the one 485 communication interface (3), the
The input terminal of 2 485 communication interfaces (9) is connect with the output end of the 3rd 485 communication interface (10), the 3rd 485 communication interface
(10) input terminal is connect with the output end of temperature and humidity acquisition module (11).
2. a kind of two-way three-phase voltage collector according to claim 1, it is characterised in that: the DC amplifying unit (8)
For DC voltage amplification chip.
3. a kind of two-way three-phase voltage collector according to claim 1, it is characterised in that: the ADC converting unit (4)
For the processing chip of two-way three-phase collector for processing plate.
4. a kind of two-way three-phase voltage collector according to claim 1, it is characterised in that: the two-way three-phase collector
Processing board further includes five groups of adjustable resistance groups, and the DC amplifying unit (8) passes through five groups of adjustable resistance groups and ADC converting unit
(4) it connects.
5. a kind of two-way three-phase voltage collector according to claim 1, it is characterised in that: the two-way three-phase collector
Processing board further includes eeprom memory, and the eeprom memory is connect with LED digital display screen (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821995459.XU CN209264808U (en) | 2018-11-30 | 2018-11-30 | A kind of two-way three-phase voltage collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821995459.XU CN209264808U (en) | 2018-11-30 | 2018-11-30 | A kind of two-way three-phase voltage collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209264808U true CN209264808U (en) | 2019-08-16 |
Family
ID=67565298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821995459.XU Active CN209264808U (en) | 2018-11-30 | 2018-11-30 | A kind of two-way three-phase voltage collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209264808U (en) |
-
2018
- 2018-11-30 CN CN201821995459.XU patent/CN209264808U/en active Active
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