CN205910830U - Wireless meter reading terminal - Google Patents
Wireless meter reading terminal Download PDFInfo
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- CN205910830U CN205910830U CN201620707448.1U CN201620707448U CN205910830U CN 205910830 U CN205910830 U CN 205910830U CN 201620707448 U CN201620707448 U CN 201620707448U CN 205910830 U CN205910830 U CN 205910830U
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Abstract
The utility model discloses a wireless meter reading terminal, include: microprocessor, NFC near field communication module and wireless communication module, NFC near field communication module includes NFC chip, NFC antenna and signal detection circuit, and NFC antenna and signal detection circuit are connected respectively to the NFC chip, microprocessor is connected with NFC chip and wireless communication module respectively, NFC near field communication module passes through the NFC antenna and the NFC cell -phone communication that corresponds is connected, wireless communication module is connected with the teletransmission terminal called that corresponds. Signal detection circuit detects and produces interrupt signal behind the radiofrequency signal of NFC cell -phone and awaken microprocessor up, realizes awakeing this wireless meter reading terminal up through the NFC cell -phone, and this NFC cell -phone sends mutual information to microprocessor such as configuration through NFC near field communication module, to wireless meter reading terminal's configuration. Have advantages such as the configuration is swift, the maintenance is convenient.
Description
Technical field
The utility model is related to wireless communication technology field, more particularly, to a kind of Wireless recording meter terminal.
Background technology
At present, domestic water supply industry is most of adopts wireless long-distance meter-reading pattern, is adopted by a Wireless recording meter terminal
Collection user uses water number evidence, and passes to data remote terminal by Radio Transmission Technology, then passes through cellular network by remote transmission terminal
Pass to backstage to be managed analyzing.Chinese patent as Publication No. cn 105118277 a discloses a kind of intellectual water meter and checks meter
System, including multiple unit and Surveillance center that check meter being connected with the plurality of unit wireless of checking meter of checking meter；Copy described in each
Table unit include multiple intellectual water meters and a meter-copy device；The described meter-copy device multiple described intellectual water meters of corresponding connection, described
Meter-copy device connects reception concentrator by communication network, and check meter described in described reception concentrator connection Surveillance center.
However, existing meter reading terminal, generally waken up by the way of setting field intensity thresholding, and using infrared or
Wireless write by hand device is configured, and the convenience of maintenance is very poor.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of mobile phone that passes through to get final product wake on wireless meter reading terminal,
And the Wireless recording meter terminal being configured.
In order to solve above-mentioned technical problem, the technical solution adopted in the utility model is:
A kind of Wireless recording meter terminal, comprising: microprocessor, nfc near field communication module and wireless communication module；Described
Nfc near field communication module includes nfc chip, nfc antenna and signal deteching circuit, and described nfc antenna connects described nfc respectively
Chip and signal deteching circuit；
Described microprocessor is connected with described nfc chip and wireless communication module respectively；Described nfc near field communication module is led to
Cross described nfc antenna to be connected with nfc mobile communication；Described wireless communication module is communicated with corresponding remote transmission terminal and connects.
Further, described signal deteching circuit includes first resistor, second resistance and mos pipe；Described first resistor
One end connect described nfc chip and described nfc antenna respectively, the other end connects the grid of described mos pipe；Described second resistance
One end connect described mos pipe drain electrode, the other end connect power supply；The source ground of described mos pipe.
Further, described wireless communication module is lora radio spread spectrum communication module.
Further, described wireless frequency expansion lora radio spread spectrum communication module is included antenna and is connected with described antenna
Lora radio spread spectrum communication transceiver, described lora radio spread spectrum communication transceiver is connected with described microprocessor, described antenna
It is connected with the communication of described remote transmission terminal.
Further, communicated using time division multiple access protocol between described wireless communication module and remote transmission terminal.
The beneficial effects of the utility model are: when signal deteching circuit detects nfc signal, produce interrupt signal and call out
The microprocessor of awake dormancy, therefore, by nfc mobile phone near above-mentioned Wireless recording meter terminal, you can wake up described Wireless recording meter terminal,
Wake-up mode is convenient.Meanwhile, described nfc near field communication module interacts also by with the client in above-mentioned nfc mobile phone, then
Interaction gained information is interacted with the microprocessor of Wireless recording meter terminal, thus realizing the parameter to this Wireless recording meter terminal
Configuration, information are read, firmware upgrade.As long as user opens the client of nfc mobile phone, by nfc mobile phone near described radio meter register
Terminal can complete terminal configuration moment, substantially increases the convenience of terminal maintenance.
Brief description
Fig. 1 is the structural representation of the Wireless recording meter terminal of the utility model one embodiment；
Fig. 2 is the structural representation of the Wireless recording meter terminal of the utility model embodiment one；
Fig. 3 is the structural representation of the nfc near field communication module of Wireless recording meter terminal of the utility model embodiment one.
Label declaration:
1st, microprocessor；2nd, nfc near field communication module；21st, nfc chip；22nd, nfc antenna；23rd, signal deteching circuit；3、
Wireless communication module；31st, antenna；32nd, lora radio spread spectrum communication transceiver.
Specific embodiment
By describing technology contents of the present utility model in detail, being realized purpose and effect, below in conjunction with embodiment and join
Close accompanying drawing to be explained in detail.
The design of the utility model most critical is: setting includes the nfc near-field communication of signal deteching circuit and nfc chip
Module, when have the mobile phone of nfc function near when, wake up microprocessor；And by realizing to radio meter register with this mobile phone interaction
The configuration of terminal.
The explanation of technical terms that the utility model is related to:
| Technical term | Explain |
| lora | Distance low-power consumption wide area network is wireless |
Refer to Fig. 1,
A kind of Wireless recording meter terminal, comprising: microprocessor 1, nfc near field communication module 2 and wireless communication module 3；Institute
State nfc near field communication module 2 and include nfc chip 21, nfc antenna 22 and signal deteching circuit 23, described nfc antenna 22 is respectively
Connect described nfc chip 21 and signal deteching circuit 23；
Described microprocessor 1 is connected with described nfc chip 21 and wireless communication module 3 respectively；Described nfc near-field communication mould
Block 2 is connected with nfc mobile communication by described nfc antenna 22；Described wireless communication module 3 is communicated even with corresponding remote transmission terminal
Connect.
Knowable to foregoing description, the beneficial effects of the utility model are: only nfc is detected in signal deteching circuit 23
Mobile phone near when just wake up microprocessor 1, greatly reduce co-channel interference and the power consumption of Wireless recording meter terminal；And can pass through
This nfc mobile phone configures to above-mentioned Wireless recording meter terminal, has and configures quick, maintenance easily advantage.
Further, described signal deteching circuit 23 includes first resistor r1, second resistance r2 and mos pipe t；Described
One end of one resistance r1 connects described nfc chip 21 and described nfc antenna 22 respectively, and the other end connects the grid of described mos pipe t
Pole；One end of described second resistance r2 connects the drain electrode of described mos pipe t, and the other end connects power supply；The source electrode of described mos pipe t connects
Ground.
Knowable to foregoing description, when nfc mobile phone near when, described nfc antenna 22 can receive nfc signal, thus driving
The mos pipe t moving above-mentioned signal deteching circuit 23 produces the microprocessor 1 that low level terminal signaling wakes up dormancy.
Further, described wireless communication module 3 is lora radio spread spectrum communication module.
Further, described wireless frequency expansion lora radio spread spectrum communication module is included antenna 31 and is connected with described antenna 31
Lora radio spread spectrum communication transceiver 32, described lora radio spread spectrum communication transceiver 32 is connected with described microprocessor 1, institute
State antenna 31 to be connected with the communication of described remote transmission terminal.
Knowable to foregoing description, described antenna 31 is used for transmitting and the reception of wireless signal, and described lora wireless frequency expansion leads to
Letter transceiver 32 is used for carrying out spread processing to this wireless signal, and wireless signal improves the anti-wireless of signal after spread processing
Noise and co-channel interference ability, even if signal amplitude is also less than ambient noise also can continue to communicate, thus substantially increasing communication
Distance.
Further, communicated using time division multiple access protocol between described wireless communication module 3 and remote transmission terminal.
Knowable to foregoing description, due to being communicated using time division multiple access protocol between wireless communication module 3 and remote transmission terminal, far
Communication port with Wireless recording meter terminal is divided by transmission terminal on a timeline, and the time-gap number by the communication port free time
Embed and broadcasted within a beacon frame, all Wireless recording meter terminals not networked pass through to calculate at one's leisure after receiving beacon frame
Gap point is waken up, and participates in free timeslot competition, gap carries out login network access, loser's random back to the terminal of competition triumph at one's leisure
After continue to participate in competition, except participate in free timeslot competition, the Wireless recording meter terminal not networked all without transmitting wireless signal, and
Periodically wake up on the time slot that Wireless recording meter terminal after networking also only takies at it and carry out information exchange with remote transmission terminal,
Other times are all in resting state, and then the terminal of guarantee networking will not be disturbed by other-end inside and outside net.Thus significantly
Reduce the co-channel interference between meter reading terminal and power consumption, improve reliability and the life of product of communication.
Refer to Fig. 1, embodiment one of the present utility model is:
A kind of Wireless recording meter terminal, including microprocessor 1, nfc near field communication module 2, lora radio spread spectrum communication module
3rd, acquisition module etc.；Described nfc near field communication module 2 includes nfc chip 21, nfc antenna 22 and signal deteching circuit 23；Institute
State signal deteching circuit 23 and include first resistor r1, second resistance r2 and mos pipe t；One end of described first resistor r1 connects
Described nfc chip 21 and described nfc antenna 22, the other end connects the grid of described mos pipe t；One end of described second resistance r2
Connect the drain electrode of described mos pipe t, the other end connects power supply；The source ground of described mos pipe t；Described lora radio spread spectrum communication
Module includes antenna 31 and the lora radio spread spectrum communication transceiver 32 being connected with antenna 31；
Described microprocessor 1 connects above-mentioned nfc chip 21, lora radio spread spectrum communication transceiver respectively by communication bus
32 and acquisition module etc.；Described nfc near field communication module 2 is connected with nfc mobile communication by above-mentioned nfc antenna 22；Described
Lora radio spread spectrum communication module is passed through above-mentioned antenna 31 and is communicated connection with corresponding remote transmission terminal.
Below the operation principle of the Wireless recording meter terminal of above-described embodiment one is illustrated:
Nfc antenna is used for coupling the near field wireless signal of nfc handset emissions, and nfc chip enters line number near field wireless signal
According to conversion and communication protocol processes；When have nfc mobile phone near when, nfc antenna receives near field wireless signal, and drive signal detects
The mos pipe of circuit produces a low level terminal signaling and wakes up microprocessor；Nfc mobile phone is sent out by nfc near field communication module
Send the interactive information such as setting, reading to above-mentioned microprocessor, Wireless recording meter terminal is carried out with parameter configuration, information reads, firmware
The operation such as upgrading；
Wireless recording meter terminal gathers the data of water meter of user by acquisition module, expands through lora radio spread spectrum communication transceiver
After frequency, sent to remote transmission terminal by above-mentioned antenna, when remote transmission terminal is to Wireless recording meter terminal transmission data, be also to first pass through sky
Line reaches lora radio spread spectrum communication transceiver, transmits to microprocessor after spread spectrum.
In a preferred embodiment, time division multiple acess is adopted to assist between above-mentioned lora radio spread spectrum communication module and remote transmission terminal
View communication.
In sum, the Wireless recording meter terminal that the utility model provides, the nfc mobile phone using respective frequencies can wake up this
Wireless recording meter terminal, it is convenient to wake up, and is not in false wake-up, reduces the power consumption of this Wireless recording meter terminal；Also can be by being somebody's turn to do
Nfc mobile phone carries out to Wireless recording meter terminal configuring, reading information, firmware upgrade etc., configuration is quick, safeguards facility；Pass through simultaneously
Receiving and transmitting signal is spread, greatly improves communication distance；In addition, Wireless recording meter terminal of the present utility model is with teletransmission eventually
Between end, node communication is carried out using time division multiple access protocol, substantially increases the interference rejection ability of the co-channel interference to non-standing,
And will not extremely be waken up, improve reliability and the life of product of communication.
The foregoing is only embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model, every
The equivalents made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in the technology neck of correlation
Domain, is all included in the same manner in scope of patent protection of the present utility model.
Claims (5)
1. a kind of Wireless recording meter terminal is it is characterised in that include: microprocessor, nfc near field communication module and wireless telecommunications mould
Block；Described nfc near field communication module includes nfc chip, nfc antenna and signal deteching circuit, and described nfc antenna connects respectively
Described nfc chip and signal deteching circuit；
Described microprocessor is connected with described nfc chip and wireless communication module respectively；Described nfc near field communication module passes through institute
State nfc antenna to be connected with nfc mobile communication；Described wireless communication module is communicated with corresponding remote transmission terminal and connects.
2. Wireless recording meter terminal according to claim 1 is it is characterised in that described signal deteching circuit includes the first electricity
Resistance, second resistance and mos pipe；One end of described first resistor connects described nfc chip and described nfc antenna respectively, another
End connects the grid of described mos pipe；One end of described second resistance connects the drain electrode of described mos pipe, and the other end connects power supply；Institute
State the source ground of mos pipe.
3. Wireless recording meter terminal according to claim 1 is it is characterised in that described wireless communication module wirelessly expands for lora
Frequency communication module.
4. Wireless recording meter terminal according to claim 3 is it is characterised in that described wireless frequency expansion lora radio spread spectrum communication
Module includes antenna and the lora radio spread spectrum communication transceiver being connected with described antenna, described lora radio spread spectrum communication transmitting-receiving
Device is connected with described microprocessor, and described antenna is connected with the communication of described remote transmission terminal.
5. Wireless recording meter terminal according to claim 1 it is characterised in that described wireless communication module and remote transmission terminal it
Between communicated using time division multiple access protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707448.1U CN205910830U (en) | 2016-07-06 | 2016-07-06 | Wireless meter reading terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620707448.1U CN205910830U (en) | 2016-07-06 | 2016-07-06 | Wireless meter reading terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205910830U true CN205910830U (en) | 2017-01-25 |
Family
ID=57805045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620707448.1U Active CN205910830U (en) | 2016-07-06 | 2016-07-06 | Wireless meter reading terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205910830U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107360538A (en) * | 2017-07-06 | 2017-11-17 | 中国石油集团东方地球物理勘探有限责任公司 | The method and smart machine to be communicated between smart machine |
| CN108806227A (en) * | 2018-09-03 | 2018-11-13 | 武汉盛帆电子股份有限公司 | A kind of NB-IOT water meters and processing method |
| CN110582994A (en) * | 2017-05-30 | 2019-12-17 | 代傲表计系统有限公司 | method for transmitting information |
-
2016
- 2016-07-06 CN CN201620707448.1U patent/CN205910830U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110582994A (en) * | 2017-05-30 | 2019-12-17 | 代傲表计系统有限公司 | method for transmitting information |
| CN107360538A (en) * | 2017-07-06 | 2017-11-17 | 中国石油集团东方地球物理勘探有限责任公司 | The method and smart machine to be communicated between smart machine |
| CN107360538B (en) * | 2017-07-06 | 2020-06-30 | 中国石油集团东方地球物理勘探有限责任公司 | Method for communication between intelligent devices and intelligent device |
| CN108806227A (en) * | 2018-09-03 | 2018-11-13 | 武汉盛帆电子股份有限公司 | A kind of NB-IOT water meters and processing method |
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| GR01 | Patent grant |