CN207852074U - A kind of automatic data logging harvester - Google Patents
A kind of automatic data logging harvester Download PDFInfo
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- CN207852074U CN207852074U CN201721870702.0U CN201721870702U CN207852074U CN 207852074 U CN207852074 U CN 207852074U CN 201721870702 U CN201721870702 U CN 201721870702U CN 207852074 U CN207852074 U CN 207852074U
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- collector
- concentrator
- data transmission
- transmission module
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Abstract
The utility model discloses a kind of automatic data logging harvesters, it include the signal conditioning circuit for Hall sensor circuit and connection Hall sensor circuit on mechanical electric energy meter, further include the collector for each signal conditioning circuit in connecting as unit of several mechanical electric energy meters, and wirelessly connects the concentrator of several collectors.Intelligent terminal sends meter reading order to concentrator, and collector is sent commands to by wireless module, and collector connects meter reading order by NB IOT communication modules, and sends meter reading request to corresponding collector.Collected electricity data sends collector to by RS485 buses, collector sends concentrator to by wireless data transmission module again, concentrator is packaged collected data according to communication protocol and sends intelligent terminal to again, effectively realizes the remote automatic meter reading of rural area machinery electric energy meter.
Description
Technical field
The utility model is related to a kind of automatic data logging harvesters.
Background technology
Traditional electric energy meter reading is to need staff's periodically meter reading from house to house, and this mode error is big, heavy workload,
Both dangerous or inconvenient, it is less useful for Utilities Electric Co.'s management.With the fast development of Communications And Computer technology, must take
The meter reading method of generation previous this inefficiency, this when, low pressure automatic meter reading system also just comes into being.Nowadays China occupies
People's ammeter it is very different, the ammeter of most of rural subscribers is without the function that can carry out power line carrier, PLC and wireless communication
Situation, this situation greatly constrains the popularization and use of Automatic meter reading system.
Utility model content
Goal of the invention：For the above-mentioned prior art, it proposes a kind of automatic data logging harvester, effectively realizes rural area mechanical electric
The remote automatic meter reading of energy table.
Technical solution：A kind of automatic data logging harvester includes for the Hall sensor on mechanical electric energy meter
The signal conditioning circuit of circuit and the connection Hall sensor circuit further includes for connecting with several mechanical electric energy meters
For the collector of each signal conditioning circuit in unit, and wirelessly connect the concentrator of several collectors；
Wherein, the collector includes the first micro-control module, and connection the first micro-control module UART interface
RS485 interface chips and the first wireless data transmission module；The RS485 interface chips connect the signal by RS485 buses
Modulate circuit；
The concentrator includes the second micro-control module, and the NB- of connection the second micro-control module UART interface
IOT communication modules and the second wireless data transmission module；Second wireless data transmission module is logical with first wireless data transmission module
Cross Radio Link connection.
Further, photoelectric isolating circuit is equipped between the RS485 interface chips and first micro-control module.
Further, first wireless data transmission module and the second wireless data transmission module are PTR2000 wireless receiving and dispatching one
Number passes MODEM modules.
Advantageous effect：The automatic data logging harvester that the utility model uses, in the base of PTR2000 short-distance radio networks
NB-IOT remote wireless transmission technologies are combined on plinth, realize the ad hoc network function of meter reading network.Improve kilowatt meter reading-out system
Stability and veracity also reduces use cost, avoids the waste of social resources.
Description of the drawings
Fig. 1 is the structural schematic diagram of utility model device.
Specific implementation mode
Further explanation is done to the utility model below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of automatic data logging harvester, includes for the Hall sensor on mechanical electric energy meter
The signal conditioning circuit 2 of circuit 1 and connection Hall sensor circuit 1 further includes for connecting with several mechanical electric energy meters
For the collector 12 of each signal conditioning circuit 2 in unit, and wirelessly connect the concentration of several collectors 12
Device 13.
Wherein, collector 12 includes the first micro-control module 6, and connects the first micro-control module 6UART interfaces
RS485 interface chips 14 and the first wireless data transmission module 5.RS485 interface chips 14 connect the signal tune by RS485 buses
Manage circuit 2.Photoelectric isolating circuit is equipped between RS485 interface chips 14 and the first micro-control module 6；First wireless data transmission module
5 and second wireless data transmission module 7 be PTR2000 wireless receiving and dispatching one numbers pass MODEM modules；RS485 interface chip models
MAX1487；First wireless data transmission module 5 and the second micro-control module 8 are all made of the STM32F103RCT6 of interior band flash storages.
PTR2000 is the communication module based on nRF401 devices, using low tranmitting frequency, high sensitivity design, by STM32FRCT6's
UART port controls its working condition.
Concentrator 13 includes the second micro-control module 8, and the NB-IOT of the second micro-control module 8UART interfaces of connection
Communication module 10 and the second wireless data transmission module 7.Second wireless data transmission module 7 is with the first wireless data transmission module 5 by wireless
Link connection.
Hall sensor circuit 1 on mechanical electric energy meter is for changing turn signal according to the turnning circle of ammeter aluminium dish
At electric impulse signal, electric impulse signal can be amplified, filter, is whole using A/D converter by signal conditioning circuit 3
After stream improves the precision of data analysis, then transfer data to the micro-control unit 6 of collector 12.To this of mechanical electric energy meter
Repacking, it is of low cost, it is easy to operate.
Every peasant household is respectively mounted by 2 on tampered mechanical electric energy meter, average every 8 peasant households are equipped with a collector
12, each village is equipped with a concentrator 13, and concentrator 13 carries out data biography by PTR2000 communication modules 7 and collector 12
It is defeated.Whole device uses passive meter reading mode, intelligent terminal 11 to send meter reading order to concentrator 13, will be ordered by wireless module
Order is sent to collector 12, and collector 12 connects meter reading order by NB-IOT communication modules 10, and sends meter reading request to correspondence
Collector 12.Collected electricity data sends collector 12 to by RS485 buses 4, and collector 12 passes through no line number again
Transmission module sends concentrator 13 to, and concentrator 13 is packaged collected data according to communication protocol and sends intelligent end to again
End.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (3)
1. a kind of automatic data logging harvester, it is characterised in that：Include for the Hall sensor on mechanical electric energy meter
Circuit（1）And the connection Hall sensor circuit（1）Signal conditioning circuit（2）, further include for connecting with several
Mechanical electric energy meter is each signal conditioning circuit in unit（2）Collector（12）, and wirelessly connect several described
Collector（12）Concentrator（13）；
Wherein, the collector（12）Including the first micro-control module（6）, and connection first micro-control module（6）
The RS485 interface chips of UART interface（14）With the first wireless data transmission module（5）；The RS485 interface chips（14）Pass through
RS485 buses connect the signal conditioning circuit（2）；
The concentrator（13）Including the second micro-control module（8）, and connection second micro-control module（8）UART interface
NB-IOT communication modules（10）And second wireless data transmission module（7）；Second wireless data transmission module（7）With described first
Wireless data transmission module（5）It is connected by Radio Link.
2. automatic data logging harvester according to claim 1, it is characterised in that：The RS485 interface chips（14）With
First micro-control module（6）Between be equipped with photoelectric isolating circuit.
3. automatic data logging harvester according to claim 1, it is characterised in that：First wireless data transmission module（5）
With the second wireless data transmission module（7）MODEM modules are passed for PTR2000 wireless receiving and dispatching one numbers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721870702.0U CN207852074U (en) | 2017-12-28 | 2017-12-28 | A kind of automatic data logging harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721870702.0U CN207852074U (en) | 2017-12-28 | 2017-12-28 | A kind of automatic data logging harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852074U true CN207852074U (en) | 2018-09-11 |
Family
ID=63419253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721870702.0U Active CN207852074U (en) | 2017-12-28 | 2017-12-28 | A kind of automatic data logging harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912829A (en) * | 2019-12-27 | 2020-03-24 | 广东电科院能源技术有限责任公司 | Data service route distribution device and method |
| CN112489412A (en) * | 2020-11-16 | 2021-03-12 | 广东电网有限责任公司 | Intelligent meter reading system and method |
-
2017
- 2017-12-28 CN CN201721870702.0U patent/CN207852074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912829A (en) * | 2019-12-27 | 2020-03-24 | 广东电科院能源技术有限责任公司 | Data service route distribution device and method |
| CN112489412A (en) * | 2020-11-16 | 2021-03-12 | 广东电网有限责任公司 | Intelligent meter reading system and method |
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