CN204228779U - Liquid crystal type Three-phase multi-functional meter - Google Patents
Liquid crystal type Three-phase multi-functional meter Download PDFInfo
- Publication number
- CN204228779U CN204228779U CN201420732457.7U CN201420732457U CN204228779U CN 204228779 U CN204228779 U CN 204228779U CN 201420732457 U CN201420732457 U CN 201420732457U CN 204228779 U CN204228779 U CN 204228779U
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- watt
- module
- hour meter
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- panel
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 210000000145 septum pellucidum Anatomy 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000006386 memory function Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
- Ac-Ac Conversion (AREA)
Abstract
The utility model discloses liquid crystal type Three-phase multi-functional meter, it comprises watt-hour meter device, and this watt-hour meter device has: the power panel being distributed in watt-hour meter device bottom, and it has switch power module; Be distributed in watt-hour meter device third layer and the sampling plate adjacent with power panel, it has electricity sampling module; Be distributed in the watt-hour meter device second layer and the device control panel adjacent with sampling plate, it has MCU control module, the serial communication modular be connected with MCU control module, data memory module; Be distributed in watt-hour meter device top layer and the man-machine interface plate adjacent with device control panel, it is made up of key-press module, LCD MODULE.The beneficial effects of the utility model are: simple for structure, be convenient to processing and effectively can promote working (machining) efficiency.
Description
Technical field
The utility model relates to liquid crystal type electric quantity monitoring metering device, and especially relate to a kind of liquid crystal type Three-phase multi-functional meter, it is widely used in the applications such as various control system, SCADA system and energy management system.
Background technology
Present liquid crystal type multifunctional meter is multiple functional, but due to structure complicated a little, cause instrument volume bigger than normal, also there is production process many, inefficient situation.
Utility model content
The purpose of this utility model is exactly to solve the problem, and provides a kind of being convenient to produce and the liquid crystal type Three-phase multi-functional meter saved production cost.
To achieve these goals, the utility model adopts following technical scheme:
Liquid crystal type Three-phase multi-functional meter, it comprises watt-hour meter device (T), it is characterized in that, this watt-hour meter device has:
Be distributed in the power panel (I) of watt-hour meter device bottom, it has switch power module (6), and described power panel is provided with power output interface (J);
Be distributed in watt-hour meter device third layer and the sampling plate (G) adjacent with power panel, it has electricity sampling module (4), and described sampling plate is provided with sampling output interface (H);
Be distributed in the watt-hour meter device second layer and the device control panel (L) adjacent with sampling plate, it has MCU control module (1), the serial communication modular (3) be connected with MCU control module, data memory module (7), and described device control panel is provided with sampling input interface (B), power input interface (C), key-press input interface (K), LCD display output interface (D);
Be distributed in watt-hour meter device top layer and the man-machine interface plate (A) adjacent with device control panel, it is made up of key-press module (2), LCD MODULE (5), and described human-machine interface panel is provided with button output interface (E), liquid crystal display input interface (F);
Wherein, the power output interface of described power panel is interconnected by the power input interface socket of contact pin and device control panel, the employing output interface of described sampling plate is connected with the employing input interface of device control panel by contact pin, described human-machine interface panel is connected back-to-back with device control panel, and the key-press input interface of device control panel, LCD display output interface are connected by contact pin with the button output interface of man-machine interface plate, liquid crystal display input interface respectively.
The utility model has following beneficial effect: structure simplifies, volume reduces, and connects with contact pin socket etc. between each layer as far as possible, easy to assembly, facilitates processing, enhances productivity, save production cost.
Accompanying drawing explanation
Fig. 1 is liquid crystal type Three-phase multi-functional meter schematic diagram.
Fig. 2 is liquid crystal type Three-phase multi-functional meter structural representation.
Reference numeral:
1, MCU control module; 2, key-press module; 3, serial communication modular; 4, electricity sampling module; 5, LCD MODULE; 6, switch power module; 7, data memory module;
A, man-machine interface plate; B, sampling input interface; C, power input interface; L, device control panel; E, button output interface; F, liquid crystal display input interface; G, sampling plate; H, sampling output interface; I, power panel; J, power output interface; K, key-press input interface; D, LCD display output interface.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the utility model further.
As shown in Figure 1 and Figure 2, liquid crystal type Three-phase multi-functional meter, it comprises watt-hour meter device T, and this watt-hour meter device mainly realizes the Measurement accuracy of the analog quantitys such as electric current, voltage, frequency, and the effective value of electric current, voltage, power, frequency, power factor, electric energy, frequency etc. calculates.This watt-hour meter device has a main casing and is covered in the front panel of main casing open side, by being defined as the bottom position of watt-hour meter device near main casing afterbody, corresponding, will then be defined as the top layer position of watt-hour meter device near front-facing portion.
This watt-hour meter device has: the power panel I being distributed in watt-hour meter device bottom, and it has switch power module 6, and described power panel is provided with power output interface J.Described switch power module provides reliable power supply for device, and effectively can protect device under severe power supply environment.Below the bottom that described power panel is fixed on device by the screw at its four angles and sampling plate.
Be distributed in watt-hour meter device third layer and the sampling plate G adjacent with power panel, it has electricity sampling module 4, and described sampling plate is provided with sampling output interface H.Described electricity sampling module is made up of current sample and voltage sampling unit, comprises the device such as current transformer and voltage transformer (VT) respectively, completes the accurate sampling to three-phase voltage and electric current.Described sampling plate is fixed by the screw at two angles.
Be distributed in the watt-hour meter device second layer and the device control panel L adjacent with sampling plate, it has MCU control module 1, the serial communication modular 3 be connected with MCU control module, data memory module 7 (implement device data power down memory function, the data such as electric energy are preserved) for device, described device control panel is provided with sampling input interface B, power input interface C, key-press input interface K, LCD display output interface D, described MCU control module realizes the overall treatment each module being provided to data, and exports associated control signal etc.Described serial communication modular exports 485 communication interfaces, facilitates user to be connected by PC, carries out the host computer operations such as data acquisition.
Be distributed in watt-hour meter device top layer and the man-machine interface plate A adjacent with device control panel, it is made up of key-press module 2, LCD MODULE 5, and described human-machine interface panel is provided with button output interface E, liquid crystal display input interface F.Described key-press module 2 is made up of four, upper and lower, left and right button, carries out combination operation, comprise changing interface and optimum configurations etc. for user with reference to interface.Described LCD MODULE is made up of peripheral circuits such as segment encode liquid crystal display, backlight and driving chip, can complete the instantaneous value display to three-phase current, three-phase voltage, active power, reactive power, applied power, frequency, power factor, forward active energy, oppositely active energy, forward reactive energy, oppositely reactive energy, load number percent, power direction etc.
Wherein, the power output interface of described power panel is interconnected by the power input interface socket of contact pin and device control panel, the employing output interface of described sampling plate is connected with the employing input interface of device control panel by contact pin, described human-machine interface panel is connected back-to-back with device control panel, and the key-press input interface of device control panel, LCD display output interface are connected by contact pin with the button output interface of man-machine interface plate, liquid crystal display input interface respectively.
The man-machine interface plate of device and the front panel lamina of septum pellucidum of device are fixed on device drain pan by four screws, and front panel is buckled on lamina of septum pellucidum, installation.Whole watt-hour meter device inside forms a fabricated structure be made up of four-layer structure from front panel towards main casing afterbody.
Omit the description for known technology in full.
The foregoing is only preferred implementation of the present utility model, protection domain of the present utility model is not limited in above-mentioned embodiment, and every technical scheme belonging to the utility model principle all belongs to protection domain of the present utility model.For a person skilled in the art, the some improvement carried out under the prerequisite not departing from principle of the present utility model, these improvement also should be considered as protection domain of the present utility model.
Claims (1)
1. liquid crystal type Three-phase multi-functional meter, it comprises watt-hour meter device (T), it is characterized in that, this watt-hour meter device has:
Be distributed in the power panel (I) of watt-hour meter device bottom, it has switch power module (6), and described power panel is provided with power output interface (J);
Be distributed in watt-hour meter device third layer and the sampling plate (G) adjacent with power panel, it has electricity sampling module (4), and described sampling plate is provided with sampling output interface (H);
Be distributed in the watt-hour meter device second layer and the device control panel (L) adjacent with sampling plate, it has MCU control module (1), the serial communication modular (3) be connected with MCU control module, data memory module (7), and described device control panel is provided with sampling input interface (B), power input interface (C), key-press input interface (K), LCD display output interface (D);
Be distributed in watt-hour meter device top layer and the man-machine interface plate (A) adjacent with device control panel, it is made up of key-press module (2), LCD MODULE (5), and described human-machine interface panel is provided with button output interface (E), liquid crystal display input interface (F);
Wherein, the power output interface of described power panel is interconnected by the power input interface socket of contact pin and device control panel, the employing output interface of described sampling plate is connected with the employing input interface of device control panel by contact pin, described human-machine interface panel is connected back-to-back with device control panel, and the key-press input interface of device control panel, LCD display output interface are connected by contact pin with the button output interface of man-machine interface plate, liquid crystal display input interface respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732457.7U CN204228779U (en) | 2014-11-27 | 2014-11-27 | Liquid crystal type Three-phase multi-functional meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420732457.7U CN204228779U (en) | 2014-11-27 | 2014-11-27 | Liquid crystal type Three-phase multi-functional meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204228779U true CN204228779U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420732457.7U Expired - Fee Related CN204228779U (en) | 2014-11-27 | 2014-11-27 | Liquid crystal type Three-phase multi-functional meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204228779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459188A (en) * | 2018-03-23 | 2018-08-28 | 宁波中惠信息技术有限公司 | A kind of integrated type monitoring metering device |
| CN111064347A (en) * | 2019-12-25 | 2020-04-24 | 中国电子科技集团公司第十一研究所 | Infrared detector refrigerator power panel |
-
2014
- 2014-11-27 CN CN201420732457.7U patent/CN204228779U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108459188A (en) * | 2018-03-23 | 2018-08-28 | 宁波中惠信息技术有限公司 | A kind of integrated type monitoring metering device |
| CN111064347A (en) * | 2019-12-25 | 2020-04-24 | 中国电子科技集团公司第十一研究所 | Infrared detector refrigerator power panel |
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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: 20150325 |