CN204557781U - A kind of remote reading meter based on wireless wifi - Google Patents
A kind of remote reading meter based on wireless wifi Download PDFInfo
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- CN204557781U CN204557781U CN201520312422.2U CN201520312422U CN204557781U CN 204557781 U CN204557781 U CN 204557781U CN 201520312422 U CN201520312422 U CN 201520312422U CN 204557781 U CN204557781 U CN 204557781U
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Abstract
The utility model discloses a kind of remote reading meter based on wireless wifi, comprise housing, built-in single chip machine controlling circuit, data acquisition circuit, wireless communication line in this housing, man-machine interaction circuit and the power circuit of powering for foregoing circuit.Wireless communication line is HLK-RM04 integration module, and it is connected with described microprocessor chip serial communication by jumper cap interface RT_TX, RT_RX.Data acquisition circuit is the pulse data Acquisition Circuit through Phototube Coupling, and its signal output part is connected with the I/O signal input interface with A/D translation function of microprocessor chip.The utility model has the following advantages compared to existing technology: the utility model is based on a kind of remote reading meter based on I wifi wireless, only equipment need be installed, do not need for remote meter reading connects up specially, front-end investment be few, instant effect, later stage upgrading, maintenance cost is low.
Description
Technical field
The utility model relates to intelligent electric meter, in particular a kind of remote reading meter based on wireless wifi.
Background technology
The checking meter of ammeter of Present Domestic is artificial, exist estimate copy, leak copy, the phenomenon such as is not in time copied and checked meter to mistake, changing the collection of ammeter data into wireless wifi by traditional manual metering, to transmit data are great difficult problems that China's power industry is badly in need of solving.
And Automatic meter reading is not also popularized in China at present, electric system mainly adopts power-line carrier communication and cable communicating technology at present at home.Power carrier is checked meter does not have large-area popularization to be because of the intrinsic impulse disturbances of line of electric force itself at home at present, in data transmission procedure, often there is error code, lose the situation of code, data are made to occur comparatively big error, height reduction in addition on line of electric force, strong noise, high distortion, make line of electric force become a undesirable telecommunication media.Although cable communicating technology stability better still needs other laying-out and maintenance system, quantities is large, cost is higher.Along with the continuous covering of wireless wifi network, the development of network technology and the raising of digitized degree, the trend of wireless wifi reading technique necessarily future development.Therefore, urgently develop and a kind ofly based on wireless telecommunications there is the Intelligent meter reading device of remote meter-reading function.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of remote reading meter based on wireless wifi, this Intelligent meter reading device based on wireless wifi network, taken at regular intervals ammeter data, and by image data remote transmission.
The utility model is achieved through the following technical solutions: a kind of remote reading meter based on wireless wifi, comprise housing, built-in single chip machine controlling circuit, data acquisition circuit, wireless communication line in this housing, man-machine interaction circuit and the power circuit of powering for foregoing circuit, described single chip machine controlling circuit is the embedded system of microprocessor chip and peripheral circuit composition thereof, described wireless communication line is HLK-RM04 integration module, and it is connected with described microprocessor chip serial communication by jumper cap interface RT_TX, RT_RX; Described data acquisition circuit is the pulse data Acquisition Circuit through Phototube Coupling, and its signal output part is connected with the I/O signal input interface with A/D translation function of described microprocessor chip.
As the further optimization of such scheme, described microprocessor chip is MSP430F149 single-chip microcomputer.
As the further optimization of such scheme, described man-machine interaction circuit comprises LCD1206 liquid crystal display and peripheral connecting circuit thereof, and described LCD1206 liquid crystal display is electrically connected with this microprocessor chip by 1 two-way single bus interface.
As the further optimization of such scheme, described power circuit is bridge rectifier mu balanced circuit, the power supply output terminal of this power circuit and this single chip machine controlling circuit, this data acquisition circuit, this wireless communication line, the energization input of this man-machine interaction circuit connects.
The utility model has the following advantages compared to existing technology: the built-in HLK-RM04 integration module of a kind of remote reading meter based on I wifi wireless that the utility model provides, this HLK-RM04 integration module has wireless router/serial ports simultaneously and turns Ethernet/serial ports and turn WIFI module, with internet, there is real-time online characteristic based on wifi is wireless, system is without time delay, without the need to taking turn, a kind of Intelligent meter reading device having a remote meter-reading function based on wireless telecommunications can synchronously receive, process data that are multiple or all data collection points, meet system to data acquisition and the requirement transmitting real-time.Along with the current wide coverage of wifi network and day by day perfect, within the coverage having Internet, the portable control and management to copied ammeter can be realized.
A kind of remote reading meter based on wireless wifi of the present utility model, based on wireless public network platform, only need install equipment, not need for remote meter reading connects up specially, front-end investment is few, instant effect, and later stage upgrading, maintenance cost are low.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of a kind of remote reading meter based on wireless wifi of the present utility model.
Fig. 2 is the circuit theory diagrams of single chip machine controlling circuit of the present utility model.
Fig. 3 is the circuit theory diagrams of data acquisition module of the present utility model.
Fig. 4 is the circuit theory diagrams of power circuit of the present utility model.
Fig. 5 is the circuit theory diagrams of man-machine interaction circuit of the present utility model.
Fig. 6 is the circuit theory diagrams of wireless communication line of the present utility model.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
See Fig. 1, it is the circuit structure block diagram based on wireless telecommunications with the Intelligent meter reading device of remote meter-reading function of the present utility model.Based on a remote reading meter of wireless wifi, comprise housing, built-in single chip machine controlling circuit 11, data acquisition circuit 12, wireless communication line 13 in this housing, man-machine interaction circuit 15 and the power circuit 14 of powering for foregoing circuit.
Single chip machine controlling circuit 11 is the embedded system of microprocessor chip and peripheral circuit composition thereof.Optimize, see Fig. 2, described microprocessor chip is MSP430F149 single-chip microcomputer.The microprocessor chip that the utility model adopts is by the MSP430F149 single-chip microcomputer of the high-performance low-power-consumption of TI company of Texas Instruments.Be a 16 super low-power consumptions, there is the mixed-signal processor of reduced instruction set computer RISC.By on a single die integrated to the mimic channel of multiple difference in functionality, digital circuit blocks and microprocessor, be conducive to the work that ammeter is efficient, stable.
Wireless communication line 13 is HLK-RM04 integration module, and see Fig. 6, it is connected with described microprocessor chip serial communication by jumper cap interface RT_TX, RT_RX.The HLK-RM04 integration module that the utility model adopts is that HLK-RM04 wireless router/serial ports that Hai Lingke Electronics Co., Ltd. of Shenzhen produces turns Ethernet/serial ports and turns WIFI module, this HLK-RM04 integration module can realize any conversion between user's serial ports, Ethernet, a wireless network WIFI3 interface, can meet our requirement for data transmission.
As shown in Figure 3 be data acquisition module circuit connection diagram of the present utility model.Described data acquisition circuit is through the pulse data Acquisition Circuit of Phototube Coupling, and its signal output part is connected with the I/O signal input interface with A/D translation function of described microprocessor chip.Described data acquisition circuit comprises resistance R1, R2, R3, R4, R5, electric capacity C1, C2, voltage stabilizing diode D1, a photocoupler and a polarity-inverting amplifier, pulse data is delivered to by P1.7 port as shown in the figure the process that microprocessor module carries out data by described data acquisition circuit, thus realizes its collection effect to data.
As shown in Figure 4, for the circuit diagram of the utility model power circuit, this power circuit is transformer T1, four commutation diodes, the bridge rectifier mu balanced circuit of electric capacity C3, C4, C5, C6 composition, the power supply output terminal of power circuit and single chip machine controlling circuit, data acquisition circuit, wireless communication line, the energization input of man-machine interaction circuit connects.Power circuit is provided by 220V AC power.And adopt bridge rectifier mu balanced circuit that the alternating current of 220V is depressured to 3.3V and 5V, be single chip machine controlling circuit of the present utility model, data acquisition circuit, wireless communication line, man-machine interaction circuit is powered.
Be illustrated in figure 5 the circuit theory diagrams of man-machine interaction circuit of the present utility model.Man-machine interaction circuit comprises LCD1206 liquid crystal display and peripheral connecting circuit thereof, and this LCD1206 liquid crystal display is electrically connected with this microprocessor chip by 1 two-way single bus interface.LCD1206 liquid crystal display shows data message more intuitively, in this man-machine interaction circuit, is provided with a gauge tap, for control LCD1206 liquid crystal display.In using, when if desired checking data, data can be shown, to save electricity by button.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. the remote reading meter based on wireless wifi, comprise housing, built-in single chip machine controlling circuit, data acquisition circuit, wireless communication line in this housing, man-machine interaction circuit and the power circuit of powering for foregoing circuit, described single chip machine controlling circuit is the embedded system of microprocessor chip and peripheral circuit composition thereof, it is characterized in that: described wireless communication line is HLK-RM04 integration module, it is connected with described microprocessor chip serial communication by jumper cap interface RT_TX, RT_RX; Described data acquisition circuit is the pulse data Acquisition Circuit through Phototube Coupling, and its signal output part is connected with the I/O signal input interface with A/D translation function of described microprocessor chip.
2. a kind of remote reading meter based on wireless wifi according to claim 1, is characterized in that: described microprocessor chip is MSP430F149 single-chip microcomputer.
3. a kind of remote reading meter based on wireless wifi according to claim 1 and 2, it is characterized in that: described man-machine interaction circuit comprises LCD1206 liquid crystal display and peripheral connecting circuit thereof, described LCD1206 liquid crystal display is electrically connected with this microprocessor chip by 1 two-way single bus interface.
4. a kind of remote reading meter based on wireless wifi according to claim 1 and 2, it is characterized in that: described power circuit is bridge rectifier mu balanced circuit, the power supply output terminal of this power circuit and this single chip machine controlling circuit, this data acquisition circuit, this wireless communication line, the energization input of this man-machine interaction circuit connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520312422.2U CN204557781U (en) | 2015-05-14 | 2015-05-14 | A kind of remote reading meter based on wireless wifi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520312422.2U CN204557781U (en) | 2015-05-14 | 2015-05-14 | A kind of remote reading meter based on wireless wifi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204557781U true CN204557781U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520312422.2U Expired - Fee Related CN204557781U (en) | 2015-05-14 | 2015-05-14 | A kind of remote reading meter based on wireless wifi |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445796A (en) * | 2018-03-02 | 2018-08-24 | 广东运安能源科技有限公司 | A kind of battery powered GPRS remote collections control assembly power-saving technique |
-
2015
- 2015-05-14 CN CN201520312422.2U patent/CN204557781U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108445796A (en) * | 2018-03-02 | 2018-08-24 | 广东运安能源科技有限公司 | A kind of battery powered GPRS remote collections control assembly power-saving technique |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20160514 |