CN215986458U - Radio frequency-infrared meter calibrating device - Google Patents
Radio frequency-infrared meter calibrating device Download PDFInfo
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- CN215986458U CN215986458U CN202122358850.7U CN202122358850U CN215986458U CN 215986458 U CN215986458 U CN 215986458U CN 202122358850 U CN202122358850 U CN 202122358850U CN 215986458 U CN215986458 U CN 215986458U
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Abstract
The utility model discloses a radio frequency-to-infrared meter calibrating device which comprises a meter calibrating platform body and a communication conversion unit electrically connected with the meter calibrating platform body, wherein the communication conversion unit comprises a control module, an infrared communication module and a radio frequency module, the infrared communication module and the radio frequency module are respectively electrically connected with the control module, the infrared communication module is used for being in communication connection with an electric meter, the radio frequency module is used for being in wireless communication connection with an upper computer, and the control module is used for data conversion between the infrared communication module and the radio frequency module. According to the radio frequency-infrared meter calibrating device provided by the utility model, the meter calibration does not depend on the meter calibrating platform body any more, and the meter calibrating efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of electric meters, in particular to a radio frequency-to-infrared meter calibrating device.
Background
In the electricity meter production process, one of the indispensable processes is the electricity meter accuracy calibration. Under the general condition, the calibration table body is provided with an RS485 or carrier communication interface for respectively carrying out communication calibration with an upper computer and an ammeter. However, many overseas electricity meters are currently eliminated in order to save cost, or other factors RS485 and carrier communication are eliminated. In this case, the meter calibration is difficult and not as efficient as the RS854 if it can be calibrated. Some electric meters may be calibrated by designing some physical interface short-circuit modes, but this condition needs to ensure that the output power of the meter calibration platform body is quite stable, otherwise, the error of the electric meter is inaccurate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a radio frequency-infrared meter correcting device, which is not dependent on a meter correcting platform body any more and improves meter correcting efficiency.
The utility model discloses a radio frequency-to-infrared meter calibrating device, which adopts the technical scheme that:
the utility model provides a radio frequency changes infrared school table device, includes the school table body to and the communication conversion unit of being connected with school table body electricity, communication conversion unit includes control module, and infrared communication module and the radio frequency module of being connected with control module electricity respectively, infrared communication module is used for being connected with the ammeter communication, radio frequency module is used for being connected with host computer wireless communication, control module is used for the data conversion between infrared communication module and the radio frequency module.
Preferably, the communication conversion unit further comprises a photoelectric sampling circuit electrically connected with the control unit, and the photoelectric sampling circuit is used for signal acquisition of the electric meter.
Preferably, the control module comprises a single chip microcomputer of the model STM8L151G4U6 and a peripheral circuit thereof.
Preferably, the radio frequency module includes a lora module circuit.
Preferably, the infrared communication module comprises an infrared light emitting diode for emitting signals and an infrared receiving diode for receiving signals.
The radio frequency-to-infrared meter calibrating device disclosed by the utility model has the beneficial effects that: when the meter needs to be calibrated, the communication conversion unit can be directly in communication connection with an upper computer through the radio frequency module, meter calibration data are obtained, and then the data are converted by the control module and transmitted to the calibrated electric meter through the infrared communication module, so that the meter calibration is completed. Because the present ammeter all possesses the infrared communication function, so this scheme can be applicable to various ammeters, need not design different school table schemes according to different ammeters again. Meanwhile, meter calibration data are directly acquired through the communication conversion unit and are sent to the electric meter, and the meter calibration table body is not relied on. And because radio frequency communication does not have physical wiring, so can realize the broadcast school table through radio frequency communication, improve school table efficiency greatly.
Drawings
FIG. 1 is a schematic structural diagram of a radio frequency-to-infrared meter calibration device according to the present invention.
Detailed Description
The utility model will be further elucidated and described with reference to the embodiments and drawings of the specification:
referring to fig. 1, the rf-to-infrared meter calibrating apparatus includes a meter calibrating body and a communication converting unit electrically connected to the meter calibrating body. The communication conversion unit comprises a control module, an infrared communication module and a radio frequency module, wherein the infrared communication module and the radio frequency module are respectively electrically connected with the control module, the infrared communication module is used for being in communication connection with an ammeter, the radio frequency module is used for being in wireless communication connection with an upper computer, and the control module is used for data conversion between the infrared communication module and the radio frequency module.
When the meter needs to be calibrated, the communication conversion unit can be directly in communication connection with an upper computer through the radio frequency module, meter calibration data are obtained, and then the data are converted by the control module and transmitted to the calibrated electric meter through the infrared communication module, so that the meter calibration is completed. Because the present ammeter all possesses the infrared communication function, so this scheme can be applicable to various ammeters, need not design different school table schemes according to different ammeters again. Meanwhile, meter calibration data are directly acquired through the communication conversion unit and are sent to the electric meter, and the meter calibration table body is not relied on. And because radio frequency communication does not have physical wiring, so can realize the broadcast school table through radio frequency communication, improve school table efficiency greatly.
In this embodiment, the communication conversion unit further includes a photoelectric sampling circuit electrically connected to the control unit, and the photoelectric sampling circuit is used for signal acquisition of the ammeter. Specifically, the photoelectric sampling circuit performs photoelectric conversion through the photoresistor, and therefore the error parameters of the detected electric meter are acquired in cooperation with the meter calibration platform. The communication conversion unit directly uses the aerial headstock of the meter calibration platform body for power supply, and meanwhile, the error parameters acquired by the photoelectric sampling circuit are transmitted to the meter calibration platform body by the control module through the aerial head.
In this embodiment, the control module includes a single chip microcomputer of the model STM8L151G4U6 and peripheral circuits thereof. Specifically, the conversion between the infrared signal and the radio frequency signal and the communication with the meter calibration table are realized through the single chip microcomputer.
In this embodiment, the radio frequency module includes a lora module circuit. Specifically, wireless communication with the upper computer is realized through the lora module circuit, and correspondingly, the upper computer is also provided with the matched lora module circuit. In other embodiments, the wireless communication with the upper computer may be realized in other manners.
In this embodiment, the infrared communication module includes an infrared light emitting diode for emitting a signal and an infrared receiving diode for receiving a signal. Specifically, the detected electric meter is also provided with a matched infrared communication module. In other embodiments, the wireless communication with the detected electric meter can be realized in other manners.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. The utility model provides a radio frequency changes infrared school table device, its characterized in that, includes the school table body to and the communication conversion unit of being connected with school table body electricity, communication conversion unit includes control module, and infrared communication module and the radio frequency module of being connected with control module electricity respectively, infrared communication module is used for being connected with the ammeter communication, radio frequency module is used for being connected with host computer wireless communication, control module is used for the data conversion between infrared communication module and the radio frequency module.
2. The radio frequency-to-infrared meter calibrating device according to claim 1, wherein the communication converting unit further comprises a photoelectric sampling circuit electrically connected to the control unit, and the photoelectric sampling circuit is used for signal acquisition of an electric meter.
3. The radio frequency-to-infrared meter calibrating device according to claim 1, wherein the control module comprises a single chip microcomputer of the model STM8L151G4U6 and peripheral circuits thereof.
4. The radio frequency-to-infrared meter calibrating device according to claim 1, wherein said radio frequency module comprises a lora module circuit.
5. The radio frequency-to-infrared meter calibrating device according to claim 1, wherein the infrared communication module comprises an infrared light emitting diode for emitting a signal and an infrared receiving diode for receiving a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358850.7U CN215986458U (en) | 2021-09-27 | 2021-09-27 | Radio frequency-infrared meter calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122358850.7U CN215986458U (en) | 2021-09-27 | 2021-09-27 | Radio frequency-infrared meter calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215986458U true CN215986458U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122358850.7U Active CN215986458U (en) | 2021-09-27 | 2021-09-27 | Radio frequency-infrared meter calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215986458U (en) |
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2021
- 2021-09-27 CN CN202122358850.7U patent/CN215986458U/en active Active
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