CN204065201U - A kind of electric energy meter remaining sum display device - Google Patents
A kind of electric energy meter remaining sum display device Download PDFInfo
- Publication number
- CN204065201U CN204065201U CN201420575203.9U CN201420575203U CN204065201U CN 204065201 U CN204065201 U CN 204065201U CN 201420575203 U CN201420575203 U CN 201420575203U CN 204065201 U CN204065201 U CN 204065201U
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- display device
- electric energy
- communication module
- capacitor
- energy meter
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- 238000004891 communication Methods 0.000 claims abstract description 61
- 239000003990 capacitor Substances 0.000 claims abstract description 24
- 239000013078 crystal Substances 0.000 claims abstract description 13
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model discloses a kind of electric energy meter remaining sum display device, comprising: communication module, control device, power module, display device, control device is connected with external electric energy table by communication module; Display device is connected with control device; Power module is connected with communication module, display device respectively by control device, and power module is that control device, communication module and display device are powered; Control device comprises: power circuit, clock circuit, control circuit, I/O pin, and power circuit, clock circuit, control circuit are connected with I/O pin respectively; Clock circuit comprises: crystal oscillator, the first capacitor, the second capacitor, and one end of crystal oscillator is connected respectively with one end of the first capacitor, I/O pin; The other end of crystal oscillator is connected respectively with one end of the second capacitor, I/O pin; The other end of the first capacitor, the other end of the second capacitor ground connection respectively.
Description
Technical field
The utility model relates to intelligent power technical field, particularly a kind of electric energy meter remaining sum display device.
Background technology
At present, intelligence adapted electricity and intelligent electricity consumption information acquisition are one of important contents of intelligent grid construction, intelligence adapted electricity and intelligent electricity consumption information acquisition popularize, a large amount of communication module of intelligent electric energy meter, terminal equipment in communication module will be needed to form communication system, and this is that each Utilities Electric Co. carries out power supply service that is more how more humane, more convenient and quicker and provides the foundation.
Current intelligent electric energy meter can not provide remaining sum to show service to user well, existing method just demonstrates remaining remaining sum and the amount of money on the UI interface of electric energy meter, but electric energy meter often not at user's family, brings inconvenience when user checks remaining sum in table.User is not because checking that electric energy meter remaining sum and then the power-off event of failing caused by timely power purchase happen occasionally in time, and the feature not embodying " intelligence " in intelligent grid is completely experienced in such electricity consumption.
Utility model content
In order to solve exist in prior art cannot the problem of real-time, convenient inquiry intelligent electric energy meter remaining sum, the utility model proposes a kind of electric energy meter remaining sum display device.
Electric energy meter remaining sum display device of the present utility model, comprising: communication module, control device, power module, display device, control device is connected with external electric energy table by communication module; Display device is connected with control device;
Power module is connected with communication module, display device respectively by control device, and power module is that control device, communication module and display device are powered;
Control device comprises: power circuit, clock circuit, control circuit, I/O pin, and power circuit, clock circuit, control circuit are connected with I/O pin respectively;
Clock circuit comprises: crystal oscillator, the first capacitor, the second capacitor, and one end of crystal oscillator is connected respectively with one end of the first capacitor, I/O pin; The other end of crystal oscillator is connected respectively with one end of the second capacitor, I/O pin;
The other end of the first capacitor, the other end of the second capacitor ground connection respectively.
In technique scheme, communication module is PLC carrier communication module, and PLC carrier communication module is connected with the external electric energy table with carrier communication function.
In technique scheme, communication module is 485 communication modules, and 485 communication modules are connected with the external electric energy table without carrier communication function.
In technique scheme, power module comprises: primary power input circuit and backup battery.
In technique scheme, display device is eight segment encode light-emitting diode displays.
Electric energy meter remaining sum display device of the present utility model, real-time acquisition and display can be carried out to the balance amount information of electric energy meter, and be easy to dispose, when gathering the electric energy meter remaining sum of carrier communication function, PLC carrier communication can be adopted, without the need to laying communication line in addition.This device coordinates communication module to carry out remaining sum in indicator gauge by independently display device, easy for installation, is convenient to maintenance, consumes extremely low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model electric energy meter remaining sum display device;
Fig. 2 is the operating diagram of the utility model electric energy meter remaining sum display device;
Fig. 3 is the circuit theory diagrams of the control device of the utility model embodiment;
Fig. 4 is the circuit theory diagrams of the display device of the utility model embodiment;
Fig. 5 is the circuit theory diagrams of 485 communication modules of the utility model embodiment;
Fig. 6 is the circuit theory diagrams of the PLC carrier communication module of the utility model embodiment;
Fig. 7 is the circuit theory diagrams of the power module of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, several embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model not by the restriction of embodiment.
In order to solve exist in prior art cannot the problem of real-time, convenient inquiry intelligent electric energy meter remaining sum, the utility model proposes a kind of electric energy meter remaining sum display device.This device can allow user experience the superiority of intelligent grid better, can read the remaining sum in intelligent electric energy meter in real time, and be shown to user on eight segment display.Meanwhile, when reading has the electric energy meter remaining sum of carrier communication function, use PLC carrier communication, do not need again to lay communication line, for power consumer brings great convenience.
As shown in Figure 1, electric energy meter remaining sum display device of the present utility model, comprising: communication module 10, control device 20, power module 30, display device 40, and control device 20 is connected with external electric energy table by communication module 10; Display device 40 is connected with control device 20; Power module 30 is connected with communication module 10, display device 40 respectively by control device 20, and power module 30 is powered for control device 20, communication module 10 and display device 40.Electric energy meter remaining sum display device can be arranged on household internal, and as shown in Figure 2, this device is connected with electric energy meter by line of electric force, the balance data in reading power meters, and is shown to user by display device 40.
Preferably, control device 20 can adopt 80C51 single-chip microcomputer (being not limited thereto) of the prior art, control device 20 comprises: power circuit, clock circuit, control circuit, I/O pin, power circuit 201, clock circuit, control circuit are connected with I/O pin respectively.
As shown in Figure 3, clock circuit comprises: one end of crystal oscillator (crystal oscillator) CYC201, the first capacitor C200, the second capacitor C201, crystal oscillator CYC201 is connected respectively with one end of the first capacitor C200, I/O pin; The other end of crystal oscillator CYC201 is connected respectively with one end of the second capacitor C201, I/O pin; The other end of the first capacitor C200, the other end of the second capacitor C201 ground connection respectively.Control device 20 at regular intervals (as a second) send an amr message by clock circuit to electric energy meter, and the electric energy meter balance amount information read to be presented in display device 40.
Preferably, communication module 10 is PLC carrier communication module, and PLC carrier communication module is connected with the external electric energy table with carrier communication function, and PLC carrier communication module is responsible for the balance amount information gathering electric energy meter, and sends to control device 20.PLC carrier communication module adopts current proven technique, and improve correctness and the stability of data acquisition, the circuit theory diagrams of PLC carrier communication module as shown in Figure 6.
Preferably, communication module 10 can also be 485 communication modules, and 485 communication modules are connected with the external electric energy table without carrier communication function, and 485 communication modules are responsible for the balance amount information gathering electric energy meter, and sending to control device 20, the circuit theory diagrams of 485 communication modules are as shown in Figure 5.
Preferably, power module 30 comprises: primary power input circuit and backup battery.Power module 30 out-put supply supplies the modules of this device, backup battery is as the backup battery of system and clock, when primary power has a power failure, backup battery exports feed system through electric power management circuit and other functional module adopts, and the circuit theory diagrams of power module 30 as shown in Figure 7.
Preferably, display device 40 is eight segment encode light-emitting diode displays.Display device 40 shows the balance amount information in current electric energy meter, display device 40 adopts eight common segment display displays, display system is formed by 6 eight segment display, display system can be accurate to 2 significant digits, when display electric energy meter remaining sum, can be as accurate as " the dividing " on the amount of money, the partial circuit schematic diagram of display device 40 as shown in Figure 4.
Electric energy meter remaining sum display device of the present utility model, real-time acquisition and display can be carried out to the balance amount information of electric energy meter, and be easy to dispose, when gathering the electric energy meter remaining sum of carrier communication function, PLC carrier communication can be adopted, without the need to laying communication line in addition.This device coordinates communication module to carry out remaining sum in indicator gauge by independently display device, easy for installation, is convenient to maintenance, consumes extremely low.
Be only several specific embodiment of the present utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (5)
1. an electric energy meter remaining sum display device, is characterized in that, comprising: communication module, control device, power module, display device, and described control device is connected with external electric energy table by described communication module; Described display device is connected with described control device;
Described power module is connected with described communication module, described display device respectively by described control device, and described power module is described control device, described communication module and described display device are powered;
Described control device comprises: power circuit, clock circuit, control circuit, I/O pin, and described power circuit, described clock circuit, described control circuit are connected with described I/O pin respectively;
Described clock circuit comprises: crystal oscillator, the first capacitor, the second capacitor, and one end of described crystal oscillator is connected respectively with one end of described first capacitor, described I/O pin; The other end of described crystal oscillator is connected respectively with one end of described second capacitor, described I/O pin;
The other end ground connection respectively of the other end of described first capacitor, described second capacitor.
2. electric energy meter remaining sum display device according to claim 1, is characterized in that, described communication module is PLC carrier communication module, and described PLC carrier communication module is connected with the external electric energy table with carrier communication function.
3. electric energy meter remaining sum display device according to claim 1, is characterized in that, described communication module is 485 communication modules, and described 485 communication modules are connected with the external electric energy table without carrier communication function.
4. electric energy meter remaining sum display device according to claim 1, it is characterized in that, described power module comprises: primary power input circuit and backup battery.
5. electric energy meter remaining sum display device according to claim 1, is characterized in that, described display device is eight segment encode light-emitting diode displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575203.9U CN204065201U (en) | 2014-09-30 | 2014-09-30 | A kind of electric energy meter remaining sum display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420575203.9U CN204065201U (en) | 2014-09-30 | 2014-09-30 | A kind of electric energy meter remaining sum display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204065201U true CN204065201U (en) | 2014-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420575203.9U Expired - Fee Related CN204065201U (en) | 2014-09-30 | 2014-09-30 | A kind of electric energy meter remaining sum display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204065201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT16549U1 (en) * | 2018-10-05 | 2019-10-15 | Efriends Energy Gmbh | Display device and display method |
-
2014
- 2014-09-30 CN CN201420575203.9U patent/CN204065201U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT16549U1 (en) * | 2018-10-05 | 2019-10-15 | Efriends Energy Gmbh | Display device and display method |
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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: 20141231 Termination date: 20200930 |