CN219875955U - Remote intelligent meter reading device for electric power - Google Patents
Remote intelligent meter reading device for electric power Download PDFInfo
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- CN219875955U CN219875955U CN202320960341.8U CN202320960341U CN219875955U CN 219875955 U CN219875955 U CN 219875955U CN 202320960341 U CN202320960341 U CN 202320960341U CN 219875955 U CN219875955 U CN 219875955U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 48
- 239000013307 optical fiber Substances 0.000 claims abstract description 37
- 230000003321 amplification Effects 0.000 claims abstract description 24
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 24
- 239000003990 capacitor Substances 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 26
- 230000003287 optical effect Effects 0.000 claims description 19
- 230000007175 bidirectional communication Effects 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000006854 communication Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
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Abstract
The utility model provides an electric power remote intelligent meter reading device, which comprises an optical fiber near-end machine, an optical fiber far-end machine, an optical fiber and a power module, wherein the optical fiber near-end machine is arranged outdoors to be in bidirectional communication with a base station, the optical fiber far-end machine is arranged in a far-end basement to be in bidirectional communication with the electric power data acquisition machine, the optical fiber near-end machine comprises a donor antenna and a first photoelectric conversion module which are sequentially connected to form a first downlink, a second photoelectric conversion module and a first amplification module which are sequentially connected, the output end of the first amplification module is also connected with the donor antenna to form a first uplink, the optical fiber far-end machine comprises a third photoelectric conversion module, a second amplification module and a retransmission antenna which are sequentially connected to form a second downlink, and the input end of the fourth photoelectric conversion module is also connected with the retransmission antenna to form a second uplink. The utility model can effectively enhance the signal strength of the data signal collector and improve the success rate and coverage rate of remote meter reading.
Description
Technical Field
The utility model relates to an electric power remote intelligent meter reading device.
Background
In the remote collection of the electric power company, data is required to be collected to the base station through an electric meter data collector. However, the ammeter and the ammeter data acquisition device are basically installed in a basement, and because of the layer-by-layer weakening of reinforced cement, the signals of the data signal acquisition device are often weak and cannot keep a good communication state with a main station, so that the data signal acquisition device is often 'off-line', and the action of remotely reading ammeter data fails, so that the remote meter reading coverage rate cannot be further improved all the time, and the requirement of service development of an electric company cannot be met.
Disclosure of Invention
The utility model aims to provide an electric remote intelligent meter reading device which can effectively enhance the signal strength of a data signal collector and improve the success rate and coverage rate of remote meter reading.
The utility model is realized by the following technical scheme:
the utility model provides a remote intelligent meter reading device of electric power, including setting up the ammeter data collector in the basement, still including setting up outdoor in order to with the optical fiber near-end machine of basic station bidirectional communication, set up the far-end basement in order to with ammeter data collector bidirectional communication's optic fibre far-end machine, set up the optic fibre between optic fiber near-end machine and the far-end machine of optic fibre, be connected with optic fibre near-end machine and the far-end machine of optic fibre respectively in order to supply power for it two power modules, the optic fibre near-end machine is including connecting gradually donor antenna and first photoelectric conversion module in order to form first downlink, and second photoelectric conversion module and the first amplification module that connects gradually, first amplification module output still is connected with donor antenna in order to form first uplink, the far-end machine of optic fibre is including connecting gradually in order to form the third photoelectric conversion module of second downlink, second amplification module and retransmission antenna, and fourth photoelectric conversion module input is still connected with retransmission antenna in order to form second uplink. When the remote meter reading device works, the first downlink of the optical fiber near-end machine receives a radio-frequency electric signal from the base station through the donor antenna, the radio-frequency electric signal is converted into an optical signal through the first photoelectric conversion module and then is transmitted to the optical fiber far-end machine through the optical fiber, the third photoelectric conversion module of the second downlink of the optical fiber far-end machine receives the optical signal and then converts the optical signal into a radio-frequency electric signal, the radio-frequency electric signal is amplified through the second amplification module and then is transmitted to the ammeter data acquisition device through the retransmission antenna, the second uplink of the optical fiber far-end machine receives the radio-frequency electric signal transmitted from the ammeter data acquisition device through the retransmission antenna after the data acquisition is completed, the fourth photoelectric conversion module converts the radio-frequency electric signal into an optical signal and then is transmitted to the optical fiber near-end machine through the optical fiber, the second photoelectric conversion module of the first uplink of the optical fiber near-end machine converts the optical signal into the radio-frequency electric signal, and the radio-frequency electric signal is transmitted to the base station through the donor after the power amplification module, so that the remote meter reading is completed once, the data acquisition device is realized through the optical fiber near-end machine, the optical fiber, the first amplification module and the second amplification module are used for realizing signal enhancement, and the ammeter data acquisition, and the communication coverage rate and the remote meter reading device are more smooth and the remote meter reading device are more convenient and the remote meter reading device is more convenient to be more convenient and convenient to carry and compared with the remote and the remote meter reading device and the more.
Further, the first photoelectric conversion module includes a first radio frequency input end, a first photoelectric converter, a first luminous power detection circuit and a first power supply circuit, one end of the first radio frequency input end is connected with the donor antenna, the other end of the first radio frequency input end is connected with a fourth interface of the first photoelectric converter, a second interface of the first photoelectric converter is connected with the first power supply circuit, a third interface of the first photoelectric converter is connected with the first luminous power detection circuit, and a fifth interface of the first photoelectric converter is an optical signal emission port.
Further, the first photoelectric conversion module further comprises a first filter circuit, and the first filter circuit is connected in series between the first radio frequency input end and the fourth interface of the first photoelectric converter.
Further, the first light emitting power detection circuit comprises a first resistor, a second resistor, a first capacitor and a second capacitor, wherein one end of the first resistor is connected with one end of the first capacitor and is used as a detection end, the other end of the first resistor is connected with a third interface of the first photoelectric converter, the second resistor and the second capacitor are connected between the other end of the first resistor and the ground in parallel, and the other end of the first capacitor is grounded.
Further, the second photoelectric conversion module comprises a second photoelectric converter, a second luminous power detection circuit and a second power supply circuit, a first interface of the second photoelectric converter is an optical signal receiving port, the second interface is connected with the second power supply circuit, a third interface is connected with the second luminous power detection circuit and the input end of the first amplification module respectively, and the output end of the first amplification module is connected with the donor antenna.
Further, the second light emitting power detection circuit includes a third resistor, a fourth resistor, a third capacitor, a fourth capacitor and a first inductor, one end of the third resistor is connected with the third capacitor and is used as a detection end, the other end of the third resistor is connected with one end of the fourth resistor, one end of the fourth capacitor and one end of the first inductor respectively, the other end of the fourth resistor and the other end of the fourth capacitor are grounded, and the other end of the first inductor is connected with a third interface of the second photoelectric converter.
Further, the wavelength of the optical signal emitted by the first photoelectric conversion module is 1550nm, and the wavelength of the optical signal received by the second photoelectric conversion module is 1310nm.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a functional block diagram of the present utility model.
Fig. 2 is a circuit diagram of a first uplink of the present utility model.
Fig. 3 is a circuit diagram of a first downlink of the present utility model.
Fig. 4 is a circuit diagram of a battery module according to the present utility model.
1, an optical fiber near-end machine; 11. a donor antenna; 12. a first photoelectric conversion module; u1, a first photoelectric converter; 121. a first radio frequency input; 122. a first light-emitting power detection circuit; 123. a first power supply circuit; 124. a first filter circuit; 13. a second photoelectric conversion module; u2, a second photoelectric converter; 131. a second light-emitting power detection circuit; 132. a second power supply circuit; 14. a first amplifying module; 2. an optical fiber remote machine; 21. a third photoelectric conversion module; 22. a second amplification module; 23. a fourth photoelectric conversion module; 24. a retransmission antenna; 3. an optical fiber; 4. a power module; 5. an ammeter data acquisition device; 6. and (5) a base station.
Detailed Description
As shown in fig. 1 to 4, the electric power remote intelligent meter reading apparatus includes an ammeter data collector 5 disposed in a basement, an optical fiber near-end machine 1 disposed outdoors to bidirectionally communicate with a base station 6, an optical fiber far-end machine 2 disposed in a far-end basement to bidirectionally communicate with the ammeter data collector 5, an optical fiber 3 disposed between the optical fiber near-end machine 1 and the optical fiber far-end machine 2, two power supply modules 4 respectively connected to the optical fiber near-end machine 1 and the optical fiber far-end machine 2 to supply power thereto, the optical fiber near-end machine 1 includes a donor antenna 11 and a first photoelectric conversion module 12 connected in sequence to form a first downlink, and a second photoelectric conversion module 13 and a first amplification module 14 connected in sequence, an output end of the first amplification module 14 is also connected to the donor antenna 11 to form a first uplink, the optical fiber far-end machine 2 includes a third photoelectric conversion module 21, a second amplification module 22 and a retransmission antenna 24, and a fourth photoelectric conversion module 23 connected in sequence to form a second downlink, and an input end of the fourth photoelectric conversion module 23 is also connected to the retransmission antenna 24 to form a second uplink. The base station 6 may be a 3G, 4G base station 6.
The first photoelectric conversion module 12 includes a first rf input end 121, a first photoelectric converter U1, a first light emitting power detection circuit 122, a first power supply circuit 123 and a first filter circuit 124, where one end of the first rf input end 121 is connected to the donor antenna 11, the other end of the first rf input end is connected to a fourth interface of the first photoelectric converter U1 after passing through the first filter circuit 124, a second interface of the first photoelectric converter U1 is connected to the first power supply circuit 123, a third interface is connected to the first light emitting power detection circuit 122, and a fifth interface is an optical signal emission port. The first filter circuit 124 includes a plurality of LC filter circuits connected in series.
The first light emitting power detection circuit 122 includes a first resistor R1, a second resistor R2, a first capacitor C1, and a second capacitor C2, where one end of the first resistor R1 is connected to one end of the first capacitor C1 and is used as a detection end, the other end of the first resistor R1 is connected to a third interface of the first photoelectric converter U1, the second resistor R2 and the second capacitor C2 are connected in parallel between the other end of the first resistor R1 and ground, and the other end of the first capacitor C1 is grounded.
The second photoelectric conversion module 13 includes a second photoelectric converter U2, a second light emitting power detection circuit 131, and a second power supply circuit 132, where a first interface of the second photoelectric converter U2 is an optical signal receiving port, the second interface is connected to the second power supply circuit 132, a third interface is connected to the second light emitting power detection circuit 131 and an input end of the first amplifying module 14, and an output end of the first amplifying module 14 is connected to the donor antenna 11. The second light emitting power detection circuit 131 includes a third resistor R3, a fourth resistor R4, a third capacitor C3, a fourth capacitor C4, and a first inductor L1, where one end of the third resistor R3 is connected to the third capacitor C3 and is used as a detection end, the other end of the third resistor R3 is connected to one end of the fourth resistor R4, one end of the fourth capacitor C4 and one end of the first inductor L1, the other end of the fourth resistor R4 and the other end of the fourth capacitor C4 are grounded, and the other end of the first inductor L1 is connected to a third interface of the second photoelectric converter U2. The first amplifying module 14 includes a power amplifying chip PE4302.
A specific circuit of the power module 4 is shown in fig. 4. The output terminals of the power module 4 are connected to the first power supply circuit 123 and the second power supply circuit 132, respectively.
The third photoelectric conversion module 21 and the second amplification module 22 of the optical fiber remote terminal 2 have the same circuit composition as the first photoelectric conversion module 12 and the first amplification module 14 of the optical fiber near-end machine 1, and the fourth photoelectric conversion module 23 is the same as the second photoelectric conversion module 13, but the wavelengths of the light received and transmitted by the optical fiber remote terminal 2 and the optical fiber near-end machine 1 are different, specifically, for the optical fiber remote terminal 2, the wavelength of the optical signal emitted by the first photoelectric conversion module 12 is 1550nm, that is, the wavelength of the optical signal received by the third photoelectric conversion module 21 is 1550nm, and the wavelength of the optical signal received by the second photoelectric conversion module 13 is 1310nm, that is, the wavelength of the optical signal emitted by the fourth photoelectric conversion module 23 is 1310nm.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, i.e., the utility model is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the utility model.
Claims (7)
1. The utility model provides a remote intelligent meter reading device of electric power, includes the ammeter data acquisition ware of setting in the basement, its characterized in that: the optical fiber remote machine comprises a donor antenna, a first photoelectric conversion module, a second photoelectric conversion module and a first amplification module, wherein the donor antenna and the first photoelectric conversion module are sequentially connected to form a first downlink, the second photoelectric conversion module and the first amplification module are sequentially connected, the output end of the first amplification module is further connected with the donor antenna to form a first uplink, the optical fiber remote machine comprises a third photoelectric conversion module, a second amplification module and a retransmission antenna which are sequentially connected to form a second downlink, and a fourth photoelectric conversion module, and the input end of the fourth photoelectric conversion module is further connected with the retransmission antenna to form a second uplink.
2. The remote intelligent meter reading device for electric power according to claim 1, wherein: the first photoelectric conversion module comprises a first radio frequency input end, a first photoelectric converter, a first luminous power detection circuit and a first power supply circuit, one end of the first radio frequency input end is connected with the donor antenna, the other end of the first radio frequency input end is connected with a fourth interface of the first photoelectric converter, a second interface of the first photoelectric converter is connected with the first power supply circuit, a third interface of the first photoelectric converter is connected with the first luminous power detection circuit, and a fifth interface of the first photoelectric converter is an optical signal emission port.
3. The remote intelligent meter reading device for electric power according to claim 2, wherein: the first photoelectric conversion module further comprises a first filter circuit, and the first filter circuit is connected in series between the first radio frequency input end and the fourth interface of the first photoelectric converter.
4. A remote intelligent meter reading device for electric power according to claim 3, wherein: the first luminous power detection circuit comprises a first resistor, a second resistor, a first capacitor and a second capacitor, wherein one end of the first resistor is connected with one end of the first capacitor and is used as a detection end, the other end of the first resistor is connected with a third interface of the first photoelectric converter, the second resistor and the second capacitor are connected between the other end of the first resistor and the ground in parallel, and the other end of the first capacitor is grounded.
5. A remote intelligent meter reading device for electric power according to claim 1 or 2 or 3 or 4, characterized in that: the second photoelectric conversion module comprises a second photoelectric converter, a second luminous power detection circuit and a second power supply circuit, wherein a first interface of the second photoelectric converter is an optical signal receiving port, the second interface is connected with the second power supply circuit, a third interface is connected with the second luminous power detection circuit and the input end of the first amplification module respectively, and the output end of the first amplification module is connected with the donor antenna.
6. The remote intelligent meter reading device for electric power according to claim 5, wherein: the second luminous power detection circuit comprises a third resistor, a fourth resistor, a third capacitor, a fourth capacitor and a first inductor, wherein one end of the third resistor is connected with the third capacitor and serves as a detection end, the other end of the third resistor is respectively connected with one end of the fourth resistor, one end of the fourth capacitor and one end of the first inductor, the other end of the fourth resistor and the other end of the fourth capacitor are grounded, and the other end of the first inductor is connected with a third interface of the second photoelectric converter.
7. A remote intelligent meter reading device for electric power according to claim 1 or 2 or 3 or 4, characterized in that: the wavelength of the optical signal emitted by the first photoelectric conversion module is 1550nm, and the wavelength of the optical signal received by the second photoelectric conversion module is 1310nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960341.8U CN219875955U (en) | 2023-04-25 | 2023-04-25 | Remote intelligent meter reading device for electric power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320960341.8U CN219875955U (en) | 2023-04-25 | 2023-04-25 | Remote intelligent meter reading device for electric power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219875955U true CN219875955U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320960341.8U Active CN219875955U (en) | 2023-04-25 | 2023-04-25 | Remote intelligent meter reading device for electric power |
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| Country | Link |
|---|---|
| CN (1) | CN219875955U (en) |
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2023
- 2023-04-25 CN CN202320960341.8U patent/CN219875955U/en active Active
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