CN202975208U - Power efficiency monitor - Google Patents
Power efficiency monitor Download PDFInfo
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- CN202975208U CN202975208U CN 201220695357 CN201220695357U CN202975208U CN 202975208 U CN202975208 U CN 202975208U CN 201220695357 CN201220695357 CN 201220695357 CN 201220695357 U CN201220695357 U CN 201220695357U CN 202975208 U CN202975208 U CN 202975208U
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- 238000004891 communication Methods 0.000 claims abstract description 24
- 238000005070 sampling Methods 0.000 claims abstract description 20
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 16
- 238000012806 monitoring device Methods 0.000 claims description 20
- 230000005611 electricity Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Abstract
The utility model discloses a power efficiency monitor. The power efficiency monitor comprises a MCU (microcontroller unit), an alternating current sampling unit, a communication unit, a liquid crystal display unit, an input/output unit and a power unit. The MCU is respectively connected the alternating current sampling unit, the communication unit, the liquid crystal display unit and the input/output unit. A power unit is respectively connected with a power input end of each of the MCU, the alternating current sampling unit, the communication unit and the liquid crystal display unit. The power efficiency monitor is portable and flexible, acquires power efficiency in a non-interrupting manner, has the function of controlling on and off time, saves power, is convenient to operate and has promising application prospect.
Description
Technical field
The utility model is specifically related to a kind of electric power energy efficiency monitoring device, belongs to electrical quantity analysis of information collection technical field.
Background technology
At present, in order to analyze each production line electricity consumption situation of enterprise, use the monitoring device of three-phase electricity electric power efficiency collection analysis, comparative maturity three-phase intelligent ammeter, electric energy quality monitor arranged, but these two devices all have following obvious defective:
(1) external form is larger, occupies the space large, the deployment when being unfavorable for the monitoring of power distribution room internal electric energy;
(2) all adopt the mode interrupt the line of electric force loop to gather, affect the normal operation of circuit-line;
(3) do not possess switching electricity period control function, can not reach the effect of using electricity wisely.
The utility model content
In order to overcome in prior art the problem to the monitoring device of three-phase electricity electric power efficiency collection analysis.The electric power energy efficiency monitoring device that the utility model provides, light, flexible, the non-mode that interrupts is carried out the collection of electric power efficiency, has switching electricity period control function, and using electricity wisely is easy to operate, has a good application prospect.
In order to achieve the above object, the technical scheme that adopts of the utility model is:
A kind of electric power energy efficiency monitoring device, it is characterized in that: comprise MCU processing unit, AC sampling unit, communication unit, liquid crystal display, input-output unit and power supply unit, described MCU processing unit is connected with input-output unit with described AC sampling unit, communication unit, liquid crystal display respectively, and described power supply unit distributes and is connected with the power input of MCU processing unit, AC sampling unit, communication unit, liquid crystal display.
Aforesaid a kind of electric power energy efficiency monitoring device is characterized in that: also comprise the storage unit that is connected with the MCU processing unit, be provided with the flash storage chip in described storage unit.
Aforesaid a kind of electric power energy efficiency monitoring device, it is characterized in that: described communication unit is provided with the RS485 communication interface, and connection RS485 bus is carried out communication.
Aforesaid a kind of electric power energy efficiency monitoring device, it is characterized in that: described MCU processing unit also is provided with the burning interface for code debugging, and described burning interface is USB interface.
Aforesaid a kind of electric power energy efficiency monitoring device, it is characterized in that: described AC sampling unit comprises three-phase voltage signal Acquisition Circuit and three-phase current signal Acquisition Circuit, described three-phase voltage signal Acquisition Circuit external voltage mutual inductor, described three-phase current signal gathers electric external impressed current mutual inductor.
Aforesaid a kind of electric power energy efficiency monitoring device is characterized in that: the external control output interface of described input-output unit and switch value input interface.
The beneficial effects of the utility model are: electric power energy efficiency monitoring device of the present utility model, can analyze each production line electricity consumption situation of enterprise, and observe production line electricity consumption situation by liquid crystal display, simple in structure, external form is small and exquisite, and it is convenient to install, and has following characteristics,
(1) adopt external mutual inductor mode, need not to interrupt line of electric force can gather, and does not affect the normal operation of production line, and supports multiple mutual inductor model, to adapt to the electrical quantity collection of various production lines;
(2) adopt external contactor mode, realize power circuit switching electric control, and have real-time control, timesharing control various control form, by power consumption control, when not producing, to realize the effect of using electricity wisely.
Description of drawings
Fig. 1 is the system chart of electric power energy efficiency monitoring device of the present utility model.
Fig. 2 is the circuit theory diagrams of liquid crystal display of the present utility model.
Fig. 3 is the circuit theory diagrams of AC sampling chip of the present utility model.
Fig. 4 be AC sampling interface of the present utility model circuit theory diagrams.
Fig. 5 is the circuit theory diagrams of MCU processing unit of the present utility model.
Fig. 6 is the circuit theory diagrams of communication unit of the present utility model.
Embodiment
Below in conjunction with Figure of description, the utility model is further described.
As shown in Figure 1, a kind of electric power energy efficiency monitoring device, comprise MCU processing unit, AC sampling unit, communication unit, liquid crystal display, input-output unit and power supply unit, the MCU processing unit is connected with input-output unit with described AC sampling unit, communication unit, liquid crystal display respectively, power supply unit distributes and to be connected with the power input of MCU processing unit, AC sampling unit, communication unit, liquid crystal display
Described liquid crystal display comprises LCD power control circuit, LCD interface and LCD driving circuit, can cross the power consumption that shows the user, the sampling of real-time voltage, electric current, active power, reactive power, and whether the user controls normal.
Described MCU processing unit comprises capacitor filter, clock circuit and single-chip microcomputer main control chip, and the MCU processing unit also is provided with the burning interface for code debugging, and the burning interface is USB interface, is convenient to the debugging upgrading of software code.
Also comprise the storage unit that is connected with the MCU processing unit, be provided with the flash storage chip in storage unit, storage speed is fast.
Described AC sampling unit comprises three-phase voltage signal Acquisition Circuit and three-phase current signal Acquisition Circuit, three-phase voltage signal Acquisition Circuit external voltage mutual inductor, three-phase current signal gathers electric external impressed current mutual inductor, and employing ATT7022 AC sampling chip, can improve the degree of accuracy that electrical quantity gathers, need not to interrupt line of electric force can gather, and does not affect the normal operation of production line, and support multiple mutual inductor model, to adapt to the electrical quantity collection of various production lines.
Described communication unit is provided with the RS485 communication interface, and connects the RS485 bus and carry out communication, and is provided with optical coupling isolation circuit, can guarantee communication quality.
The external control output interface of described input-output unit and switch value input interface are used for external contactor mode, realize power circuit switching electric control, and have real-time control, timesharing control various control form, by power consumption control, when not producing, to realize the effect of using electricity wisely.
As Fig. 2-shown in Figure 6, be the circuit theory diagrams of each unit of the present utility model, wherein Fig. 2 is the circuit theory diagrams of liquid crystal display, Fig. 3 and 4 be the AC sampling unit circuit theory diagrams, Fig. 5 is MCU processing unit circuit theory diagrams, and Fig. 6 is the circuit theory diagrams of communication unit.
Above demonstration and described ultimate principle of the present utility model, principal character and advantage.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. electric power energy efficiency monitoring device, it is characterized in that: comprise MCU processing unit, AC sampling unit, communication unit, liquid crystal display, input-output unit and power supply unit, described MCU processing unit is connected with input-output unit with described AC sampling unit, communication unit, liquid crystal display respectively, and described power supply unit distributes and is connected with the power input of MCU processing unit, AC sampling unit, communication unit, liquid crystal display.
2. a kind of electric power energy efficiency monitoring device according to claim 1, is characterized in that: also comprise the storage unit that is connected with the MCU processing unit, be provided with the flash storage chip in described storage unit.
3. a kind of electric power energy efficiency monitoring device according to claim 1, it is characterized in that: described communication unit is provided with the RS485 communication interface, and connects the RS485 bus and carry out communication.
4. a kind of electric power energy efficiency monitoring device according to claim 1, it is characterized in that: described MCU processing unit also is provided with the burning interface for code debugging, and described burning interface is USB interface.
5. a kind of electric power energy efficiency monitoring device according to claim 1, it is characterized in that: described AC sampling unit comprises three-phase voltage signal Acquisition Circuit and three-phase current signal Acquisition Circuit, described three-phase voltage signal Acquisition Circuit external voltage mutual inductor, described three-phase current signal gathers electric external impressed current mutual inductor.
6. a kind of electric power energy efficiency monitoring device according to claim 1, is characterized in that: the external control output interface of described input-output unit and switch value input interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695357 CN202975208U (en) | 2012-12-17 | 2012-12-17 | Power efficiency monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695357 CN202975208U (en) | 2012-12-17 | 2012-12-17 | Power efficiency monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202975208U true CN202975208U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220695357 Expired - Fee Related CN202975208U (en) | 2012-12-17 | 2012-12-17 | Power efficiency monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202975208U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644942A (en) * | 2013-12-23 | 2014-03-19 | 北京电研华源电力技术有限公司 | Electrical power efficiency monitoring terminal and system |
| CN105319462A (en) * | 2015-07-30 | 2016-02-10 | 成都华立达电力信息系统有限公司 | Stable and high-efficient alternating-current sampling device |
| CN107942155A (en) * | 2017-10-24 | 2018-04-20 | 德合南京智能技术有限公司 | Energy efficiency analysis intelligent workstation |
-
2012
- 2012-12-17 CN CN 201220695357 patent/CN202975208U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644942A (en) * | 2013-12-23 | 2014-03-19 | 北京电研华源电力技术有限公司 | Electrical power efficiency monitoring terminal and system |
| CN105319462A (en) * | 2015-07-30 | 2016-02-10 | 成都华立达电力信息系统有限公司 | Stable and high-efficient alternating-current sampling device |
| CN107942155A (en) * | 2017-10-24 | 2018-04-20 | 德合南京智能技术有限公司 | Energy efficiency analysis intelligent workstation |
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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: 20130605 Termination date: 20191217 |