CN201444174U - Intelligent electric meter - Google Patents
Intelligent electric meter Download PDFInfo
- Publication number
- CN201444174U CN201444174U CN2008203025886U CN200820302588U CN201444174U CN 201444174 U CN201444174 U CN 201444174U CN 2008203025886 U CN2008203025886 U CN 2008203025886U CN 200820302588 U CN200820302588 U CN 200820302588U CN 201444174 U CN201444174 U CN 201444174U
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Abstract
The utility model relates to an intelligent electric meter comprising an LCD display module, a main circuit module, an acquisition module and a communication module which are arranged on a circuit board, wherein the communication module comprises an RS232 communication interface and an RS422 communication interface, and the main circuit module is provided with seven output end pins connected with the LCD display module and can realize display of seven power consumption parameters such as active power, reactive power, apparent power, voltage effective value, current effective value, power factor and frequency measurement. The RS232 communication interface and the RS422 communication interface are added into the communication module, thus increasing the communication protocol capability of the intelligent electric meter and PC and being capable of better adapting to conditions with different PCs. Simultaneously, various power consumption parameter output end pins are added to the main circuit module, so that an LED display screen not only can display the power consumption, but also can display the seven power consumption parameters such as the active power, the reactive power, the apparent power, the voltage effective value, the current effective value, the power factor and the frequency measurement, thus better meeting the requirements of the commercial power consumption industry.
Description
Technical field
The utility model relates to a kind of intelligent electric meter.
Background technology
The communication interface of existing intelligent electric meter has only one of RS485, there is not the RS485 interface if run into the PC that joins with it, but other interfaces, such as RS232, RS422, carry out the conversion of communications protocol with regard to needing to buy 232 level conversion equipment in addition, use cumbersome.And these intelligent electric meters all can only show " electric weight " this parameter, can't satisfy the needs of commercial power industry.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, provides a kind of adaptation ability better, more to meet the intelligent electric meter of the needs of commercial power industry.
For achieving the above object, the utility model adopts a kind of intelligent electric meter, comprise the LCD display module that is arranged on the circuit board, the main circuit module, acquisition module, communication module, wherein communication module comprises the RS485 communication interface, acquisition module comprises voltage transformer (VT), electric energy computation chip, the main circuit module comprises data storage RAM and single-chip microcomputer, the input end of communication module links to each other with PC by the RS485 communication interface, the output terminal of communication module links to each other with the main circuit module, the input end of electric energy computation chip links to each other with the output terminal of voltage transformer (VT), the output terminal of electric energy computation chip links to each other with the input end of main circuit module, various power consumption parameter after the electric energy computation chip computing are transported in the main circuit module store, the output terminal pin of main circuit module links to each other with the LCD display module, communication module comprises RS232 communication interface and RS422 communication interface, have 7 output terminal pins that link to each other with the LCD display module on the main circuit module, can realize active power, reactive power, applied power, voltage effective value, current effective value, power factor, the demonstration of these 7 power consumption parameter of frequency measurement.
The utility model further is set to intelligent electric meter again and comprises LED light, LED light links to each other with the main circuit module, and this LED light has power supply indication, the indication of voltage phase shortage, the meritorious anti-phase indication of phase-splitting, misphase indication, owed indication these 5 deixises.
The utility model has increased RS232 communication interface and RS422 communication interface in communication module, the communications protocol ability of intelligent electric meter and PC is increased, and can adapt to the situation of different PC better.Increase the various power consumption parameter output terminal pins of main circuit module simultaneously, make LCD display not only can show power consumption, can also show active power, reactive power, applied power, voltage effective value, current effective value, power factor, these 7 power consumption parameter of frequency measurement, more meet the needs of commercial power industry.Set up LED light, make the technician can outside intelligent electric meter, easily recognize the working condition of intelligent electric meter inside.
Description of drawings
Fig. 1 is the utility model embodiment intelligent electric meter main circuit block diagram ().
Fig. 2 is the utility model embodiment intelligent electric meter main circuit block diagram (two).
Fig. 3 is the utility model embodiment intelligent electric meter main circuit block diagram (three).
Fig. 4 is the utility model embodiment intelligent electric meter main circuit block diagram (four).
Fig. 5 is the utility model embodiment intelligent electric meter main circuit block diagram (five).
Fig. 6 is the utility model embodiment intelligent electric meter acquisition module block diagram ().
Fig. 7 is the utility model embodiment intelligent electric meter acquisition module block diagram (two).
Fig. 8 is the utility model embodiment intelligent electric meter acquisition module block diagram (three).
Fig. 9 is the utility model embodiment intelligent electric meter acquisition module block diagram (four).
Figure 10 is the utility model embodiment intelligent electric meter communication module block diagram ().
Figure 11 is the utility model embodiment intelligent electric meter acquisition module block diagram (two).
Figure 12 is the utility model embodiment intelligent electric meter communication module block diagram (three).
Figure 13 is the utility model embodiment intelligent electric meter fundamental diagram.
Embodiment
Shown in Fig. 1-13, specific embodiment of the utility model is a kind of intelligent electric meter, comprise the LCD display module 1 that is arranged on the circuit board, main circuit module 2, acquisition module 3, communication module 4, LED light 5, wherein communication module 4 comprises the RS485 communication interface, RS232 communication interface and RS422 communication interface, acquisition module 3 comprises voltage transformer (VT), electric energy computation chip 31, main circuit module 2 comprises data storage RAM21 and single-chip microcomputer 22, the input end of communication module 4 is by the RS485 communication interface, the RS232 communication interface links to each other with PC with the RS422 communication interface, the output terminal of communication module 4 links to each other with single-chip microcomputer 22, the input end of electric energy computation chip 31 links to each other with the output terminal of voltage transformer (VT), the output terminal of electric energy computation chip 31 links to each other with the input end of main circuit module 2, the data storage RAM21 that various power consumption parameter after electric energy computation chip 31 computings are transported in the main circuit module 2 stores, have 7 output terminal pins that link to each other with LCD display module 1 on the main circuit module 2, can realize active power, reactive power, applied power, voltage effective value, current effective value, power factor, the demonstration of these 7 power consumption parameter of frequency measurement.LED light 5 links to each other with main circuit module 2, and this LED light 5 has power supply indication, the indication of voltage phase shortage, the meritorious anti-phase indication of phase-splitting, misphase indication, owed indication these 5 deixises.
The utility model 4 has increased RS232 communication interface and RS422 communication interface in communication module, the communications protocol ability of intelligent electric meter and PC is increased, and can adapt to the situation of different PC better.Increase the various power consumption parameter output terminal pins of main circuit module 2 simultaneously, make LCD display 1 not only can show power consumption, can also show active power, reactive power, applied power, voltage effective value, current effective value, power factor, these 7 power consumption parameter of frequency measurement, more meet the needs of commercial power industry.Set up LED light 5, make the technician can outside intelligent electric meter, easily recognize the working condition of intelligent electric meter inside.
Claims (2)
1. intelligent electric meter, comprise the LCD display module that is arranged on the circuit board, the main circuit module, acquisition module, communication module, wherein communication module comprises the RS485 communication interface, acquisition module comprises voltage transformer (VT), electric energy computation chip, the main circuit module comprises data storage RAM and single-chip microcomputer, the input end of communication module links to each other with PC by the RS485 communication interface, the output terminal of communication module links to each other with the main circuit module, the input end of electric energy computation chip links to each other with the output terminal of voltage transformer (VT), the output terminal of electric energy computation chip links to each other with the input end of electric energy computation chip, power consumption parameter after the electric energy computation chip computing is transported in the main circuit module stores, the output terminal pin of main circuit module links to each other with the LCD display module, it is characterized in that: communication module comprises RS232 communication interface and RS422 communication interface, has 7 output terminal pins that link to each other with the LCD display module on the main circuit module.
2. intelligent electric meter according to claim 1 is characterized in that: described intelligent electric meter comprises LED light, and LED light links to each other with the main circuit module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008203025886U CN201444174U (en) | 2008-10-30 | 2008-10-30 | Intelligent electric meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008203025886U CN201444174U (en) | 2008-10-30 | 2008-10-30 | Intelligent electric meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201444174U true CN201444174U (en) | 2010-04-28 |
Family
ID=42548860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008203025886U Expired - Fee Related CN201444174U (en) | 2008-10-30 | 2008-10-30 | Intelligent electric meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201444174U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102023270A (en) * | 2010-11-22 | 2011-04-20 | 李颖 | Intelligent power network parameter sensor |
| CN102148535A (en) * | 2010-11-15 | 2011-08-10 | 中国计量学院 | Intelligent instrument for managing household power utilization |
-
2008
- 2008-10-30 CN CN2008203025886U patent/CN201444174U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148535A (en) * | 2010-11-15 | 2011-08-10 | 中国计量学院 | Intelligent instrument for managing household power utilization |
| CN102023270A (en) * | 2010-11-22 | 2011-04-20 | 李颖 | Intelligent power network parameter sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG CHUANGLI ELECTRONIC CO., LTD. Free format text: FORMER NAME: WENZHOU CHUANGLI ELECTRONICS CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 325000, No. 1599, Binhai, Wenzhou economic and Technological Development Zone, Wenzhou, Zhejiang Patentee after: Zhejiang Chuangli Electronic Co., Ltd. Address before: 325000, No. 2, building 10, two high tech Industrial Park, Zhejiang, Wenzhou Province Patentee before: Wenzhou Makepower Electronics Co., Ltd. |
|
| 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: 20100428 Termination date: 20161030 |