CN203337726U - Voltage and current transmitter - Google Patents
Voltage and current transmitter Download PDFInfo
- Publication number
- CN203337726U CN203337726U CN2013204020217U CN201320402021U CN203337726U CN 203337726 U CN203337726 U CN 203337726U CN 2013204020217 U CN2013204020217 U CN 2013204020217U CN 201320402021 U CN201320402021 U CN 201320402021U CN 203337726 U CN203337726 U CN 203337726U
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- voltage
- electric current
- signal
- communication module
- current
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Abstract
The utility model relates to a transmitter, and especially relates to a voltage and current transmitter. The voltage and current transmitter comprises a housing. A voltage and current acquisition panel (1), an amplification filter circuit (2), an A/D converting circuit (3), a microprocessor (4) and a communication module (5) are disposed in the housing. A voltage signal and a current signal are transmitted to the amplification filter circuit (2) via the voltage and current acquisition panel (1), are amplified by the amplification filter circuit (2), and then are converted into digital signals via the A/D converting circuit (3); and the digital signals are transmitted to the microprocessor (4), and the processed digital signals processed via the microprocessor (4) are eventually transmitted to a controller of a switchgear via the communication module (5). The communication module (5) is provided with an RS485 communication interface (52). According to the voltage and current transmitter, the communication module transmits the data signals to the controller of the switchgear in a variety of ways, and a transmission state can be found through a signal indicating lamp.
Description
Technical field
The utility model relates to transmitter, has related in particular to a kind of electric current and voltage transmitter.
Background technology
At present, when on market, existing transmitter carries out data transmission to switch cubicle, there is the shortcoming that transmission range is short, transmission speed is disturbed by other device signal slowly, very easily.So, invent a kind of electric current and voltage transmitter, increase data transmission distance, speeding up data transmission speed, enhancing transmission data antijamming capability are very important.
Summary of the invention
The utility model, for short, the slow-footed shortcoming of transmitter transmission data distance in prior art, provides a kind of electric current and voltage transmitter, has strengthened the distance of communicated data signal by communication module, has strengthened the speed of transmission of signal data.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
The electric current and voltage transmitter, comprise housing, be provided with electric current and voltage in housing and gather panel, filtering and amplifying circuit, A/D change-over circuit, microprocessor, communication module, voltage signal, current signal gather panel by electric current and voltage and pass to filtering and amplifying circuit, voltage signal, current signal are after filtering and amplifying circuit amplifies, convert voltage signal, current signal to digital signal through the A/D change-over circuit, pass to microprocessor, the digital signal after microprocessor processes finally passes to the controller of switch cubicle through communication module; Communication module is provided with the RS485 communication interface.By the RS485 communication interface, the digital signal after microprocessor processes finally passes to the controller of switch cubicle.Data by the transmission of RS485 communication interface have advantages of that transmission speed is fast, antijamming capability strong, long transmission distance.
As preferably, microprocessor is connected with communication module by pulse width modulation circuit.Microprocessor converts voltage, current signal to corresponding coding by pulse width modulation circuit and passes to communication module.
As preferably, communication module is provided with reception of wireless signals/output module.By reception of wireless signals/output module, electric current and voltage transmitter directly transmission of data signals makes the data-signal transmission become more convenient and simple to the controller of switch cubicle.
As preferably, also be provided with signal lamp on communication module.By signal lamp, people can clearly see the whether controller to switch cubicle at the transmit signal data signal of electric current and voltage transmitter.
As preferably, housing has double-layer structure, and skin is stainless steel, and internal layer is plastics.Housing is outer has strengthened the serviceable life of electric current and voltage transmitter for stainless steel has improved the anti-intensity of falling of housing, and the housing internal layer is plastics, pass through inner plastic, while having avoided the electric current and voltage transmitter to test strong voltage, heavy current, equipment generation leaky, cause people to get an electric shock again.
As preferably, electric current and voltage gathers panel and is provided with three voltage input ends, three current input terminals.Electric current and voltage gathers panel and is provided with three voltage input ends, three current input terminals, make the operator to gather the transmission of carrying out respectively three voltage signals on panel and the transmission of three current signals at electric current and voltage, improve the work efficiency of electric current and voltage transmitter.
The utility model, owing to having adopted above technical scheme, has significant technique effect: the RS485 communication interface increases data transmission distance, speeding up data transmission speed, strengthens transmission data antijamming capability; Can strengthen the distance of communicated data signal by reception of wireless signals/output module, not need to consider the how problem of connection data line of electric current and voltage transmitter simultaneously; Whether can observe the electric current and voltage transmitter at communicated data signal by signal lamp; Electric current and voltage gathers on panel the input that can simultaneously carry out many group voltage signals, current signal.
The accompanying drawing explanation
Fig. 1 is the first structural representation of the utility model electric current and voltage transmitter.
Fig. 2 is the second structural representation of the utility model electric current and voltage transmitter.
The toponym that in above accompanying drawing, each number designation refers to is as follows: 1-electric current and voltage gathers panel, 2-filtering and amplifying circuit, 3-A/D change-over circuit, 4-microprocessor, 5-communication module, 51-reception of wireless signals/output module, 52-RS485 communication interface, 53-signal lamp.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment 1
The electric current and voltage transmitter, as shown in Figure 1, comprise housing, be provided with electric current and voltage in housing and gather panel 1, filtering and amplifying circuit 2, A/D change-over circuit 3, microprocessor 4, communication module 5, voltage signal, current signal gathers panel 1 by electric current and voltage and passes to filtering and amplifying circuit 2, voltage signal, current signal is after filtering and amplifying circuit 2 amplifies, through A/D change-over circuit 3 by voltage signal, current signal converts digital signal to, pass to microprocessor 4, digital signal after microprocessor 4 is processed finally passes to the controller of switch cubicle through communication module 5, communication module 5 is provided with RS485 communication interface 52.By RS485 communication interface 52, the digital signal after microprocessor 4 is processed finally passes to the controller of switch cubicle.The data of transmitting by RS485 communication interface 52 have advantages of that transmission speed is fast, antijamming capability strong, long transmission distance.
Microprocessor 4 is connected with communication module 5 by pulse width modulation circuit.Microprocessor 4 converts voltage, current signal to corresponding coding by pulse width modulation circuit and passes to communication module 5.Communication module 5 is provided with reception of wireless signals/output module 51.By reception of wireless signals/output module 51, electric current and voltage transmitter directly transmission of data signals makes the data-signal transmission become more convenient and simple to the controller of switch cubicle.Also be provided with signal lamp 53 on communication module 5.By signal lamp 53, people can clearly see the whether controller to switch cubicle at the transmit signal data signal of electric current and voltage transmitter.Housing has double-layer structure, and skin is stainless steel, and internal layer is plastics.Housing is outer has strengthened the serviceable life of electric current and voltage transmitter for stainless steel has improved the anti-intensity of falling of housing, and the housing internal layer is plastics, pass through inner plastic, while having avoided the electric current and voltage transmitter to test strong voltage, heavy current, equipment generation leaky, cause people to get an electric shock again.Electric current and voltage gathers panel 1 and is provided with three voltage input ends, three current input terminals.Electric current and voltage gathers panel 1 and is provided with three voltage input ends, three current input terminals, make the operator to gather the transmission of carrying out respectively three voltage signals on panel 1 and the transmission of three current signals at electric current and voltage, improve the work efficiency of electric current and voltage transmitter.
The electric current and voltage transmitter, as shown in Figure 2, comprise housing, be provided with electric current and voltage in housing and gather panel 1, filtering and amplifying circuit 2, A/D change-over circuit 3, microprocessor 4, communication module 5, voltage signal, current signal gathers panel 1 by electric current and voltage and passes to filtering and amplifying circuit 2, voltage signal, current signal is after filtering and amplifying circuit 2 amplifies, through A/D change-over circuit 3 by voltage signal, current signal converts digital signal to, pass to microprocessor 4, digital signal after microprocessor 4 is processed finally passes to the controller of switch cubicle through communication module 5, communication module 5 is provided with RS485 communication interface 52.By RS485 communication interface 52, the digital signal after microprocessor 4 is processed finally passes to the controller of switch cubicle.The data of transmitting by RS485 communication interface 52 have advantages of that transmission speed is fast, antijamming capability strong, long transmission distance.
Microprocessor 4 is connected with communication module 5 by pulse width modulation circuit.Microprocessor 4 converts voltage, current signal to corresponding coding by pulse width modulation circuit and passes to communication module 5.Also be provided with signal lamp 53 on communication module 5.By signal lamp 53, people can clearly see the whether controller to switch cubicle at the transmit signal data signal of electric current and voltage transmitter.Housing has double-layer structure, and skin is stainless steel, and internal layer is plastics.Housing is outer has strengthened the serviceable life of electric current and voltage transmitter for stainless steel has improved the anti-intensity of falling of housing, and the housing internal layer is plastics, pass through inner plastic, while having avoided the electric current and voltage transmitter to test strong voltage, heavy current, equipment generation leaky, cause people to get an electric shock again.Electric current and voltage gathers panel 1 and is provided with three voltage input ends, three current input terminals.Electric current and voltage gathers panel 1 and is provided with three voltage input ends, three current input terminals, make the operator to gather the transmission of carrying out respectively three voltage signals on panel 1 and the transmission of three current signals at electric current and voltage, improve the work efficiency of electric current and voltage transmitter.
In a word, the foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to the covering scope of the utility model patent.
Claims (6)
1. electric current and voltage transmitter, comprise housing, be provided with electric current and voltage in housing and gather panel (1), filtering and amplifying circuit (2), A/D change-over circuit (3), microprocessor (4), communication module (5), it is characterized in that: voltage signal, current signal gathers panel (1) by electric current and voltage and passes to filtering and amplifying circuit (2), voltage signal, current signal is after filtering and amplifying circuit (2) amplifies, through A/D change-over circuit (3) by voltage signal, current signal converts digital signal to, pass to microprocessor (4), digital signal after microprocessor (4) is processed finally passes to the controller of switch cubicle through communication module (5), communication module (5) is provided with RS485 communication interface (52).
2. electric current and voltage transmitter according to claim 1, it is characterized in that: microprocessor (4) is connected with communication module (5) by pulse width modulation circuit.
3. electric current and voltage transmitter according to claim 1, it is characterized in that: communication module (5) is provided with reception of wireless signals/output module (51).
4. electric current and voltage transmitter according to claim 1, is characterized in that: also be provided with signal lamp (53) on communication module (5).
5. electric current and voltage transmitter according to claim 1, it is characterized in that: housing has double-layer structure, and skin is stainless steel, and internal layer is plastics.
6. electric current and voltage transmitter according to claim 1 is characterized in that: electric current and voltage gathers panel (1) and is provided with three voltage input ends, three current input terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204020217U CN203337726U (en) | 2013-07-04 | 2013-07-04 | Voltage and current transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204020217U CN203337726U (en) | 2013-07-04 | 2013-07-04 | Voltage and current transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337726U true CN203337726U (en) | 2013-12-11 |
Family
ID=49706393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204020217U Expired - Fee Related CN203337726U (en) | 2013-07-04 | 2013-07-04 | Voltage and current transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203337726U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445535A (en) * | 2015-12-04 | 2016-03-30 | 重庆鸿引电子有限公司 | Digital current transducer and detection device |
| CN110501560A (en) * | 2019-08-30 | 2019-11-26 | 广州市扬新技术研究有限责任公司 | Orbit traffic direct current transmitter digitalizer based on fiber optic communication |
-
2013
- 2013-07-04 CN CN2013204020217U patent/CN203337726U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445535A (en) * | 2015-12-04 | 2016-03-30 | 重庆鸿引电子有限公司 | Digital current transducer and detection device |
| CN110501560A (en) * | 2019-08-30 | 2019-11-26 | 广州市扬新技术研究有限责任公司 | Orbit traffic direct current transmitter digitalizer based on fiber optic communication |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20160704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |