CN2898772Y - Telecommunication equipment based on wireless virtual network - Google Patents
Telecommunication equipment based on wireless virtual network Download PDFInfo
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- CN2898772Y CN2898772Y CN 200620026069 CN200620026069U CN2898772Y CN 2898772 Y CN2898772 Y CN 2898772Y CN 200620026069 CN200620026069 CN 200620026069 CN 200620026069 U CN200620026069 U CN 200620026069U CN 2898772 Y CN2898772 Y CN 2898772Y
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Abstract
The utility model provides a telecommunication equipment based on wireless virtual network. A circuit is arranged in the interior of the telecommunication equipment housing. The circuit consists of a power source VCC, a singlechip U1 connected with the power source VCC, a wireless telecommunication module GR47, a SIM card, a 485 telecommunication chip, a pilfer electricity protection circuit composed of a singlechip U3, a watch dog circuit connected with the singlechip U1, a data storage circuit in the power energy meter composed of a singlechip U2, a clock chip U4 and memorizer; wherein, the singlechip U2 is connected with the power source VCC, the clock chip U4, the storage and 485 telecommunication chip. The clock chip and the storage are connected to the singlechip U1 bidirectionally. The beneficial effects of the utility model are that simple structure, convenient installation, storage function, and the user can analyze the electricity usage at any time, and realize the automatic and long-distance collection and monitoring the measured data for the transformer substation, distribution transformer and large scale user. The utility model has the warning function for opening of the metering box.
Description
Technical field
The utility model relates to power monitoring field radio meter register terminal device, what be particularly related to is to utilize modern GPRS communication network, information processing, memory technology, realizes that the critical point data are to the remote auto collection of stoichiometric point data such as transformer station, substation transformer, large user and the meter reading terminal communication apparatus of monitoring.
Background technology
At present, the general dual mode that adopts of checking meter of domestic district's table data, a kind of mode is more traditional artificial meter reading method to on-the-spot reading of data.This meter reading method exists data in time to feed back and the phenomenon that data are miscopied appears in the process of checking meter, when the line loss phenomenon that power department occurs, and the defectives such as analysis that existence can not be correct.
Another kind of mode is the automatic data logging mode, the wireless communication terminal equipment replacement that this automatic data logging mode is made up of the wireless communication transmission circuit manual metering.Transmission circuit in this wireless telecommunications system mainly comprises: wireless communication module, (network monitoring) single-chip microcomputer, watchdog circuit and 485 communication chips etc. that are used for carrying out with wireless network data communication are partly formed.This kind transmission mode is image data constantly, can not carry out the storage of data, and the user can not look into and get legacy data, can not realize power monitoring, analysis and comparison, has brought inconvenience for managerial personnel's data analysis.Because line loss or other mishaies cause electric weight to lose and can not in time monitor, analyze and stop, bring certain loss to national economy like this.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, provide that a kind of to have memory function simple in structure, easy for installation, make the user can analyze the electricity consumption situation at any time, and to the communication apparatus based on wireless virtual private network of remote auto collection such as transformer station, substation transformer, large user and monitoring stoichiometric point data.
The technical scheme that solves the problems of the technologies described above is: a kind of communication apparatus based on wireless virtual private network, be provided with circuit in the inside of this communication apparatus shell, and described circuit comprises: power supply VCC; The single-chip microcomputer U1 that is connected with power supply VCC, wireless communication module GR47, SIM card, 485 communication chips; The stealing holding circuit that constitutes by single-chip microcomputer U3; The watchdog circuit that is connected with single-chip microcomputer U1 also comprises the electric energy meter data storage circuitry that is made of single-chip microcomputer U2, clock chip U4, storer; Wherein single-chip microcomputer U2 is connected with power supply VCC, clock chip U4, storer, 485 communication chips respectively, and clock chip is connected with single-chip microcomputer U1 is two-way with storer.
The beneficial effects of the utility model are: the utility model is simple in structure, and is easy for installation, has memory function, makes the user can analyze the electricity consumption situation at any time, and can be to remote auto collection and monitoring stoichiometric point data such as transformer station, substation transformer, large users.The utlity model has the unpacking warning function of batch meter, whether adopt this function to define voluntarily by the user.
Description of drawings
Fig. 1 is that the present invention connects block diagram;
Fig. 2 is that the communication apparatus circuit that the present invention is based on wireless virtual private network among Fig. 1 connects block diagram;
Fig. 3 is the circuit connection diagram of electric energy meter data storage circuitry 1 among Fig. 2;
Fig. 4 is the circuit connection diagram of stealing holding circuit 90 among Fig. 2;
Fig. 5 is change-over circuit figure between power vd D and the power supply VCC.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is further specified.
Fig. 1 is that the present invention connects block diagram.As shown in the figure, the communication apparatus 30 that the present invention is based on wireless virtual private network by 485 communication chips 3 communication interface and user's electric energy meter 20 between join with 485 lines, read the data of user's electric energy meter 20 and regularly storage.The storage back regularly sends to the main website of user's PC 40 by the unlimited switching technology communication network of general packet (being called for short the GPRS communication network) 50.
The outside that the present invention is based on the communication apparatus 30 of wireless virtual private network is a casing (not shown), and network communication pilot lamp, power supply operate as normal pilot lamp (not shown) are arranged on the facial mask of described casing.Can judge the RST of duty of the present invention and network by the pilot lamp on the facial mask.
Fig. 2 is that the circuit that the present invention is based on the communication apparatus of wireless virtual private network connects block diagram.As shown in the figure, circuit of the present invention comprises: power supply VCC; The single-chip microcomputer U1 that is connected with power supply VCC, wireless communication module GR47, SIM card 6,485 communication chips 3 (power supply VCC connects not shown); The stealing holding circuit 90 that constitutes by single-chip microcomputer U3.The two-way connection stealing of single-chip microcomputer U1 holding circuit 90 and wireless communication module GR47; Single-chip microcomputer U1 connects watchdog circuit 11; Wireless communication module GR47 connects SIM card 6.
Above-mentioned power supply VCC is the 5V power supply that is converted to by AC/DC by 220 AC power, uses for single-chip microcomputer in the circuit of the present invention.Single-chip microcomputer U1 is used for carrying out data communication with wireless network, and the model of single-chip microcomputer U1 is: AT89C51; SIM card 6 is to provide IP the address for equipment; 485 communication chips 3 are to carry out data communication with user's electric energy meter 20; Stealing holding circuit 90 mainly is made of single-chip microcomputer U3, is used for being connected near switch 100 with the electric energy meter batch meter, and the model of single-chip microcomputer U3 is: P89LPC922.
As shown in Figure 2, circuit of the present invention also comprises the electric energy meter data storage circuitry 1 that is made of single-chip microcomputer U2, clock chip U4, storer 12, wherein single-chip microcomputer U2 is connected with clock chip U4, storer 12,485 communication chips 3, power supply VCC respectively, and clock chip 4 is connected with single-chip microcomputer U1 is two-way with storer 12.
The model of above-mentioned single-chip microcomputer U2 is AT89C51; The model of clock chip U4 is RX-8025SA; The model of storer 12 is 24C256; The model of single-chip microcomputer U3 is P89LPC922.
Fig. 3 is the circuit connection diagram of electric energy meter data storage circuitry 1 among Fig. 2.As shown in Figure 3, the pin 40 of single-chip microcomputer U2 and pin 20 meet power supply VCC and ground GND respectively in the described electric energy meter data storage circuitry 1; Pin 1 and pin 2 connect the pin 6 and the pin 5 of storer 12 respectively; Pin 5 and pin 6 connect sequential pin 2 and the signal pins 13 of clock chip U4 respectively; Pin 10 and pin 11 meet the transmitting terminal RX2 and the receiving end TX2 of 485 communication chips 3 respectively; Pin 18 and pin 19 are connected the input end 1 and the output terminal 2 of crystal oscillating circuit 60 respectively.Above-mentioned crystal oscillating circuit 60 is to touch the general crystal oscillating circuit of single-chip microcomputer U2 work, does not describe in detail at this.
The pin 6 of clock chip U4 in the described electric energy meter data storage circuitry 1 connects the power supply that is composed in parallel by power circuit 80 and battery feed circuit 70, is connected capacitor C 18 between the node after pin 5 and pin 6 connect and the ground; Clock chip U4 pin 13 also is connected with the pin 8SDAT of single-chip microcomputer U1, is connected resistance R 66 between pin 13 and the power supply VCC, and pin 2 is connected with the pin 7SCLT of single-chip microcomputer U1, is connected resistance R 65 between pin 2 and the power supply VCC; Wherein power circuit 80 is made up of series diode D1 between power supply VCC and the ground and capacitor C 16.
The pin 8 of the storer 12 in the described electric energy meter data storage circuitry 1 meets power supply VCC, pin 1 is to pin 4 and pin 7 difference ground connection, pin 6 meets pin 39 SCL of single-chip microcomputer U1, be connected resistance R 37 between pin 6 and the power supply VCC, pin 38 SDA of pin 5 and single-chip microcomputer U1, be connected resistance R 36, shunt capacitance C30 and C31 between power supply VCC and the ground between pin 5 and the power supply VCC.
Fig. 4 is the circuit connection diagram of stealing holding circuit 90 among Fig. 2.As shown in Figure 4, described stealing holding circuit 90 mainly comprises single-chip microcomputer U3, the pin 15 of single-chip microcomputer U3 meets power vd D, pin 5 ground connection, pin 11 connects the emitter of triode Q12, triode Q12 base stage is connected connecting resistance R54 between node w and the ground, connecting resistance R53 between node w and the power supply VCC with node w after collector is connected with the pin 21 of single-chip microcomputer U1; Single-chip microcomputer U3 pin 1 connects the emitter of triode Q10, and connecting resistance R46 between this emitter and the ground connects the pin 35 of single-chip microcomputer U1 behind the base series resistor R44 of triode Q10, meet power supply VCC behind the collector connecting resistance R45 of triode Q10; The pin 19 of single-chip microcomputer U3 is connected with the emitter of triode Q11, and connecting resistance R49 between this emitter and the ground connects the pin 34 of single-chip microcomputer U1 behind the base series resistor R47 of triode Q11, meet power supply VCC behind the collector connecting resistance R48 of triode Q11; The pin 20 of single-chip microcomputer U3 meets power vd D after connecing parallel resistor R51 and capacitor C 32; The pin 20 of single-chip microcomputer U3 also connects the electric energy meter batch meter near switch 100 behind the resistance in series R52.
Fig. 5 is change-over circuit figure between power vd D and the power supply VCC.As shown in Figure 5, described power vd D is come by power supply VCC conversion, this change-over circuit: series connection two diode D4, D3 between power supply VCC and power vd D, between node between two diode D4, the D3 and ground, connect shunt capacitance C20, C21, connect shunt capacitance C22, C23 between power vd D and the ground.
Below the course of work of the present invention is done following explanation:
Single-chip microcomputer U2 with data-storing function reads the various parameters of user's electric energy meter 20 by 485 communication chips 3, and parameter and current time (obtaining by reading clock chip U4) together are stored in the storer 12.
The single-chip microcomputer U1 that is connected that is used for carrying out with wireless network data communication is connected to mobile GPRS network 50 by wireless communication module GR47, single-chip microcomputer U1 receives user 40 and will instruct the data of the time period of getting to read by storer 12 by instruction and judgement that GPRS communication network 50 sends over, and sends to user's PC 40 by the GPRS communication network that moves.The signal that single-chip microcomputer U1 also reads single-chip microcomputer U3 simultaneously judges whether that the electric energy meter batch meter has illegal operation near switch 100.
Single-chip microcomputer U3 is responsible for the monitoring to the batch meter switching value, and when batch meter was illegally opened, single-chip microcomputer U3 in time sent to single-chip microcomputer U1 with data, and single-chip microcomputer U1 is again by being wirelessly sent to user's PC 40 main websites.The user promptly can observe the state of batch meter by host computer.
Power supply VCC is the 5V power supply after the AC power conversion, and power vd D is the 3.6V power supply after the 5V power source conversion.
Claims (6)
1. the communication apparatus based on wireless virtual private network is provided with circuit in the inside of this communication apparatus shell, and described circuit comprises: power supply VCC; The single-chip microcomputer U1 that is connected with power supply VCC, wireless communication module GR47, SIM card (6), 485 communication chips (3); The stealing holding circuit (90) that constitutes by single-chip microcomputer U3; The watchdog circuit (11) that is connected with single-chip microcomputer U1 is characterized in that, also comprises the electric energy meter data storage circuitry (1) that is made of single-chip microcomputer U2, clock chip U4, storer (12); Wherein single-chip microcomputer U2 is connected with power supply VCC, clock chip U4, storer (12), 485 communication chips (3) respectively, and clock chip (U4) is connected with single-chip microcomputer U1 is two-way with storer (12).
2. according to the communication apparatus described in the claim 1, it is characterized in that the pin 40 of single-chip microcomputer U2 and pin 20 meet power supply VCC and ground GND respectively in the described electric energy meter data storage circuitry (1); Pin 1 and pin 2 connect the pin 6 and the pin 5 of storer (12) respectively; Pin 5 and pin 6 connect sequential pin 2 and the signal pins 13 of clock chip U4 respectively; Pin 10 and pin 11 meet the transmitting terminal RX2 and the receiving end TX2 of 485 communication chips (3) respectively; Pin 18 and pin 19 are connected the input end and the output terminal of crystal oscillating circuit (60) respectively.
3. according to the communication apparatus described in the claim 1, it is characterized in that, the pin 6 of clock chip U4 in the described electric energy meter data storage circuitry (1) connects the power supply that is composed in parallel by power circuit (80) and battery feed circuit (70), is connected capacitor C 18 between the node after pin 5 and pin 6 connections and the ground; Clock chip U4 pin 13 also is connected with the pin 8 (SDAT) of single-chip microcomputer U1, is connected resistance R 66 between pin 13 and the power supply VCC, and pin 2 is connected with the pin 7 (SCLT) of single-chip microcomputer U1, is connected resistance R 65 between pin 2 and the power supply VCC; Wherein power circuit (80) is made up of series diode D1 between power supply VCC and the ground and capacitor C 16.
4. according to the communication apparatus described in the claim 1, it is characterized in that, the pin 8 of the storer (12) in the described electric energy meter data storage circuitry (1) meets power supply VCC, pin 1 is to pin 4 and pin 7 difference ground connection, pin 6 connects the pin 39 (SCL) of single-chip microcomputer U1, is connected resistance R 37 between pin 6 and the power supply VCC, the pin 38 (SDA) of pin 5 and single-chip microcomputer U1, be connected resistance R 36, shunt capacitance C30 and C31 between power supply VCC and the ground between pin 5 and the power supply VCC.
5. according to the communication apparatus described in the claim 1, it is characterized in that, described stealing holding circuit (90) mainly comprises single-chip microcomputer U3, the pin 15 of single-chip microcomputer U3 meets power vd D, pin 5 ground connection, pin 11 connects the emitter of triode Q12, and triode Q12 base stage is connected with the pin 21 of single-chip microcomputer U1 with node (w) after collector is connected, connecting resistance R54 between node (w) and the ground, connecting resistance R53 between node (w) and the power supply VCC; The pin 1 of single-chip microcomputer U3 connects the emitter of triode Q10, and connecting resistance R46 between this emitter and the ground connects the pin 35 of single-chip microcomputer U1 behind the base series resistor R44 of triode Q10, meet power supply VCC behind the collector connecting resistance R45 of triode Q10; The pin 19 of single-chip microcomputer U3 is connected with the emitter of triode Q11, and connecting resistance R49 between this emitter and the ground connects the pin 34 of single-chip microcomputer U1 behind the base series resistor R47 of triode Q11, meet power supply VCC behind the collector connecting resistance R48 of triode Q11; The pin 20 of single-chip microcomputer U3 meets power vd D after connecing parallel resistor R51 and capacitor C 32; The pin 20 of single-chip microcomputer U3 also connects the electric energy meter batch meter near switch (100) behind the resistance in series R52.
6. according to the communication apparatus described in the claim 5, it is characterized in that, described power vd D is come by power supply VCC conversion, this change-over circuit: series connection two diode D4, D3 between power supply VCC and power vd D, between node between two diode D4, the D3 and ground, connect shunt capacitance C20, C21, connect shunt capacitance C22, C23 between power vd D and the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026069 CN2898772Y (en) | 2006-05-18 | 2006-05-18 | Telecommunication equipment based on wireless virtual network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026069 CN2898772Y (en) | 2006-05-18 | 2006-05-18 | Telecommunication equipment based on wireless virtual network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2898772Y true CN2898772Y (en) | 2007-05-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620026069 Expired - Lifetime CN2898772Y (en) | 2006-05-18 | 2006-05-18 | Telecommunication equipment based on wireless virtual network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2898772Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337382A (en) * | 2015-08-21 | 2016-02-17 | 国网天津市电力公司 | Non-vehicle-mounted intelligent DC charging pile |
-
2006
- 2006-05-18 CN CN 200620026069 patent/CN2898772Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337382A (en) * | 2015-08-21 | 2016-02-17 | 国网天津市电力公司 | Non-vehicle-mounted intelligent DC charging pile |
| CN105337382B (en) * | 2015-08-21 | 2018-03-30 | 国网天津市电力公司 | A kind of off-board intelligent DC charging pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model |