CN202710656U - Direct-current electric energy meter - Google Patents
Direct-current electric energy meter Download PDFInfo
- Publication number
- CN202710656U CN202710656U CN 201220352766 CN201220352766U CN202710656U CN 202710656 U CN202710656 U CN 202710656U CN 201220352766 CN201220352766 CN 201220352766 CN 201220352766 U CN201220352766 U CN 201220352766U CN 202710656 U CN202710656 U CN 202710656U
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- energy meter
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Abstract
The utility model discloses a direct-current electric energy meter, comprising a direct-current electric energy meter housing, and components mounted in the direct-current electric energy meter housing, including a main control chip (1), a metering chip (2), a clock chip (3), a 485 chip (4), a display screen (5), a liquid crystal drive chip (6) and a power module (7), wherein the metering chip (2), the clock chip (3), the 485 chip (4), the display screen (5), the liquid crystal drive chip (6) and the power module (7) are connected with the main control chip (1), respectively; and the clock chip (3) is further connected with the power module (7). The direct-current electric energy meter provided by the utility model is rational in structural design, strong in communication capability between modules, high in intelligent performance, stable in performance, high in accuracy and good in vibration resistance; the direct-current electric energy meter has relay alarm output and is provided with an RS485 interface, thereby convenient for smart networking; and the direct-current electric energy meter is widely suitable for electric energy measurement of devices such as the solar panel, the storage battery and the like.
Description
Technical field
The utility model relates to a kind of device that the direct current electrical parameter is added up, and is specifically related to a kind of accumulator that is applicable to, solar panel, the direct current energy meter that the electrical parameters such as direct supply are added up.
Background technology
Direct current digital display meter of the prior art only is aimed at measures single voltage signal or single current signal, not the statistical function of power and electric flux.Along with popularizing of wind and solar hybrid generating system, and solar panels and accumulator use increasingly, just requires these direct current signal device statisticses are discharged and recharged electric energy and measure realtime power.It is therefore necessary that the design research and development are a kind of on the basis of prior art not only can measure direct current signal equipment reversal, voltage, positive and negative ampere-hour, positive negative power, positive negative energy, and can store this month and last month the bimester day electric weight direct current energy meter.
Summary of the invention
Goal of the invention: the purpose of this utility model is in order to solve the deficiencies in the prior art, a kind of reasonable in design is provided, has wide range of applications, not only can measure in real time direct current signal equipment reversal, voltage, positive and negative ampere-hour, positive negative power, positive negative energy, and can store this month and last month the bimester day electric weight multi-functional direct current energy meter.
Technical scheme: in order to realize above purpose, the technical scheme that the utility model is taked is:
A kind of direct current energy meter, it comprises: the direct current energy watch case, be installed in main control chip, computation chip, clock chip, 485 chips, display screen, lcd drive chip and power module in the direct current energy watch case, described computation chip, clock chip, 485 chips, lcd drive chip and power module link to each other with main control chip respectively, and described clock chip also links to each other with power module.
As preferred version, direct current energy meter described in the utility model on the described direct current energy watch case button is installed also, and button links to each other with main control chip.
As preferred version, direct current energy meter described in the utility model, described main control chip also links to each other with relay.By button electric parameter bound alarm parameters value is set, relay is responsible for the output of reporting to the police, and security is higher.
As preferred version, direct current energy meter described in the utility model, described display screen are LED display, and display screen links to each other with lcd drive chip.
Direct current energy meter described in the utility model, computation chip is responsible for the collection of electric parameter, and clock chip is responsible for the collection of clock, and 485 chips form the RS485 interface, be convenient to networking, lcd drive chip is responsible for driving the LCD screen, and the LCD screen is responsible for displaying contents, and button is responsible for switching and is shown and the parameter setting, relay is responsible for the output of reporting to the police, power module is responsible for providing corresponding voltage to inside chip, and main control chip mainly is responsible for the bridging of other chips, and does data statistics.
Beneficial effect: direct current energy meter described in the utility model is compared with existing technology and has the following advantages:
(1) direct current energy meter provided by the utility model, not only can measure direct current signal equipment reversal, voltage, positive and negative ampere-hour, positive negative power, positive negative energy, and the day electric weight and 12 months moon electric weight can store this month and last month the bimester, with better function.
(2) the utility model with a plurality of module integrations together, reasonable in design, and the intermodule communication function is strong, and is intelligent high, stable performance, precision height, the anti-vibration ability is strong, with alarm relay output, the electric parameter upper and lower limit can be set report to the police, and with the RS485 interface, be convenient to intelligent networking, be widely used in the measurement of the electric energy such as solar panels and accumulator.
Description of drawings
The structural representation of the direct current energy meter that Fig. 1 provides for the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
As shown in Figure 1, a kind of direct current energy meter, it comprises: the direct current energy watch case, be installed in the main control chip (1) in the direct current energy watch case, computation chip (2), clock chip (3), 485 chips (4), display screen (5), lcd drive chip (6) and power module (7), described computation chip (2), clock chip (3), 485 chips (4), lcd drive chip (6) links to each other with main control chip (1) respectively with power module (7), and described clock chip (3) also links to each other with power module (7).
Above-described direct current energy meter also is equipped with button (8) on the described direct current energy watch case, and button (8) links to each other with main control chip (1).
Above-described direct current energy meter, described main control chip (1) also link to each other with relay (9).
Above-described direct current energy meter, described display screen (5) is LED display, display screen (5) links to each other with lcd drive chip (6).
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. direct current energy meter, it is characterized in that, it comprises: the direct current energy watch case, be installed in the main control chip (1) in the direct current energy watch case, computation chip (2), clock chip (3), 485 chips (4), display screen (5), lcd drive chip (6) and power module (7), described computation chip (2), clock chip (3), 485 chips (4), lcd drive chip (6) links to each other with main control chip (1) respectively with power module (7), and described clock chip (3) also links to each other with power module (7).
2. direct current energy meter according to claim 1 is characterized in that, button (8) also is installed on the described direct current energy watch case, and button (8) links to each other with main control chip (1).
3. direct current energy meter according to claim 1 is characterized in that, described main control chip (1) also links to each other with relay (9).
4. direct current energy meter according to claim 1 is characterized in that, described display screen (5) is LED display, and display screen (5) links to each other with lcd drive chip (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220352766 CN202710656U (en) | 2012-07-20 | 2012-07-20 | Direct-current electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220352766 CN202710656U (en) | 2012-07-20 | 2012-07-20 | Direct-current electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202710656U true CN202710656U (en) | 2013-01-30 |
Family
ID=47590944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220352766 Expired - Fee Related CN202710656U (en) | 2012-07-20 | 2012-07-20 | Direct-current electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202710656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326311A (en) * | 2013-05-15 | 2013-09-25 | 西北农林科技大学 | Portable direct-current monitoring protector |
-
2012
- 2012-07-20 CN CN 201220352766 patent/CN202710656U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103326311A (en) * | 2013-05-15 | 2013-09-25 | 西北农林科技大学 | Portable direct-current monitoring protector |
| CN103326311B (en) * | 2013-05-15 | 2015-09-16 | 西北农林科技大学 | Portable DC monitoring and protecting device |
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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: 20130130 Termination date: 20160720 |