CN203396839U - Hanging air-conditioning electricity metering device - Google Patents
Hanging air-conditioning electricity metering device Download PDFInfo
- Publication number
- CN203396839U CN203396839U CN201320430813.5U CN201320430813U CN203396839U CN 203396839 U CN203396839 U CN 203396839U CN 201320430813 U CN201320430813 U CN 201320430813U CN 203396839 U CN203396839 U CN 203396839U
- Authority
- CN
- China
- Prior art keywords
- hanging air
- air conditioner
- microcontroller
- conditioning
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model relates to a hanging air-conditioning electricity metering device. The hanging air-conditioning electricity metering device is installed in a hanging air conditioning, and comprises a circuit board which is provided with a control circuit. The control circuit comprises a microcontroller, a sampling circuit, a serial-port communication unit, an optical-coupling isolation unit and a power supply unit which provides working voltage for the whole hanging air-conditioning electricity metering device. An input end of the sampling circuit is connected with an input end of the hanging air conditioning, an output end of the sampling circuit is connected with the microcontroller, and the microcontroller is connected with a hanging air-conditioning master control circuit through the optical-coupling isolation unit and the serial-port communication unit. An MSP430AFE253 single-chip microcomputer is taken as the microcontroller. An electricity-metering function is achieved by utilizing the single-chip microcomputer, the hanging air-conditioning electricity metering device has the advantages of simple circuit, low cost, small occupying space, rich metering parameters and usage flexibility, and data communication can be established between the hanging air-conditioning electricity metering device and the hanging air-conditioning master control circuit. The device is installed in the hanging air conditioning in an embedded manner, do not occupy a space outside the hanging air conditioning, and exhibits beautiful installation.
Description
Technical field
The utility model relates to a kind of electrical equipment power consumption metering outfit, relates in particular to a kind of hanging air conditioner electricity measuring apparatus.
Background technology
At present, in order to measure electricity consumption of electrical apparatus, all adopt more common scheme to realize, outside electrical equipment, configure a panel type electricity Metering socket, the attaching plug of electrical equipment is inserted on electric Metering socket, electrical equipment is by electric Metering socket power taking, and the display screen on electric Metering socket can demonstrate electric energy that electrical equipment consumes.This mode needs special Zhao Ge position that electric Metering socket is installed, take volume larger, and general computation chip adopts the common computation chips such as ADE7753 chip or SD3003 chip, function is fixed, can only metered voltage, the parameter such as electric current, active power, reactive energy, use underaction, have limitation.
Summary of the invention
The utility model mainly solves original electric Metering socket, and to take volume larger, and function is fixed, and measuring parameter is limited, uses underaction, has circumscribed technical matters; A kind of hanging air conditioner electricity measuring apparatus is provided, and it adopts chip microcontroller electricity function of measuring, and circuit is simple, and shared volume is little, and measuring parameter is abundant, uses flexibly, embeds and is arranged on hanging air conditioner inside, at hanging air conditioner, does not take volume outward.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: the utility model is arranged in hanging air conditioner, comprise the wiring board that is provided with control circuit, control circuit comprises microcontroller, sample circuit, serial communication unit and provides the power supply unit of operating voltage for whole hanging air conditioner electricity measuring apparatus, the input end of sample circuit is connected with hanging air conditioner power input, the output terminal of sample circuit is connected with described microcontroller, and microcontroller is connected with hanging air conditioner governor circuit through serial communication unit.In the technical program, the performance of microcontroller used and technical indicator meet single-phase measurement technical requirement completely, without outside computation chip, AFE (analog front end) that microcontroller is inner integrated, can realize electric function of measuring, it can not only realize the calculating of electric energy, electric index in can also real-time testing electrical network, as real-time measuring voltage, electric current, frequency and power factor etc.This device, as a module, is arranged on hanging air conditioner inside, does not account for volume outward, has specificity, installs also more attractive in appearance.By sample circuit, gather hanging air conditioner electric energy used, flow to microcontroller, by microcontroller, measured and other are processed, then carry out data communication by serial communication unit and hanging air conditioner governor circuit, the parameter of surveying can be in the demonstration screen display of hanging air conditioner governor circuit.
As preferably, between described microcontroller and described serial communication unit, be connected with light-coupled isolation unit.Guarantee the safety isolation of circuit, guarantee the security of circuit.
As preferably, described wiring board is provided with five two core row pins, four-core row pin, 250 single inserted sheets and 250 bend cutting seats, four two core row pins are located at respectively four corners of wiring board, the zero line input end of all the other one two cores rows pin and described sample circuit is connected, the live wire input end of 250 single inserted sheets and described sample circuit is connected, 250 bend cutting seats and 250 single inserted sheets also connect, and four-core row pin is connected with described serial communication unit.During installation, the zero line of hanging air conditioner, live wire connect respectively on two core row's pins and 250 single inserted sheets, and the serial ports of hanging air conditioner governor circuit is connected on four-core row pin, connects and installs very convenient.250 bend cutting seats are for connecing the live wire of rear end equipment.
As preferably, described microcontroller adopts MSP430AFE253 single-chip microcomputer.The very suitable thing of the structure of MSP430AFE253 single-chip microcomputer is as electric energy computation chip, and its inside has comprised a lot of hardware resources, thereby can greatly reduce the cost of metering section.
The beneficial effects of the utility model are: adopt chip microcontroller electricity function of measuring, circuit is simple, and cost is lower, and shared volume is little, and measuring parameter is abundant, uses flexibly, can carry out data communication with hanging air conditioner governor circuit.This device embeds and is arranged on hanging air conditioner inside, at hanging air conditioner, does not take volume outward, and better appearance is installed.
Accompanying drawing explanation
Fig. 1 is a kind of circuit theory syndeton block diagram of the present utility model.
Fig. 2 is a kind of main TV structure schematic diagram of the present utility model.
1. wiring boards in figure, 2. microcontroller, 3. sample circuit, 4. serial communication unit, 5. power supply unit, 6. hanging air conditioner power input, 7. hanging air conditioner governor circuit, 8. light-coupled isolation unit, 10. two cores are arranged pins, 11. four-cores row pins, 12.250 single inserted sheets, 13.250 bend cutting seats.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: the hanging air conditioner electricity measuring apparatus of the present embodiment, be arranged in hanging air conditioner, comprise the wiring board 1 that control circuit is installed, wiring board is of a size of 70mm * 33mm, as shown in Figure 1, control circuit comprises microcontroller 2, sample circuit 3, serial communication unit 4, light-coupled isolation unit 8 and provide the power supply unit 5 of operating voltage for whole hanging air conditioner electricity measuring apparatus, the input end of sample circuit 3 is connected with hanging air conditioner power input 6, the output terminal of sample circuit 3 is connected with microcontroller 2, microcontroller 2 is connected with serial communication unit 4 through light-coupled isolation unit 8, serial communication unit 4 is connected with hanging air conditioner governor circuit 7 again.In the present embodiment, as shown in Figure 2, four corners that five two cores rows pins 10, four-core row pin 11,250 single inserted sheet 12 and 13, four two cores row pins 10 of a 250 bend cutting seat lay respectively at wiring board 1 are installed, for wiring board is fixed in hanging air conditioner on wiring board 1.Zero line in hanging air conditioner power input 6 is connected through the zero line input end of the 5th two core row's pins 10 and sample circuit 3, live wire in hanging air conditioner power input 6 is connected through the live wire input end of 250 single inserted sheets 12 and sample circuit 3,250 bend cutting seats 13 and 250 single inserted sheets 12 also connect, for connecing the live wire of rear end equipment, serial ports in hanging air conditioner governor circuit 7 is connected with serial communication unit 4 through four-core row pin 11, and installation and line are all very convenient.In the present embodiment, microcontroller 2 adopts MSP430AFE253 single-chip microcomputer.
Adopt MSP430AFE253 single-chip microcomputer, without outside other computation chips, AFE (analog front end) that this single-chip microcomputer is inner integrated, can realize electric energy metrical function.Owing to there being the INFO FLASH module of four 64 bytes in MSP430AFE253 single-chip microcomputer, wherein there are two configurations for electric energy metrical program and calibration, also have two and can be used for preserving electric energy, wherein an above part of the threshold value for total electric energy is preserved, another piece is for the preservation of the following part of threshold value of total electric energy, choosing of this threshold value is to obtain according to average active power, so guaranteed effective preservation of total electric energy, and the erasing and writing life of having realized again FLASH is greater than 5 years.This single-chip microcomputer can not only be realized the calculating of electric energy, the electric index in can also real-time testing electrical network, test as isoparametric in real-time voltage, electric current, frequency and power factor.The structure of MSP430AFE253 single-chip microcomputer is suitable as electric energy computation chip very much, and its inside has comprised a lot of hardware resources, thereby greatly reduces the cost of metering section.By sample circuit Real-time Collection hanging air conditioner power consumption, and flow to MSP430AFE253 single-chip microcomputer, through single-chip microcomputer, process, electrical energy pulse is directly exported from MSP430AFE253 single-chip microcomputer, for electric energy error correction and check and correction.MSP430AFE253 single-chip microcomputer is the core of whole measuring apparatus, realizes again other control task of whole measuring apparatus, has really accomplished SOC scheme, reduces power consumption, has reduced the consumption on electrical network, is conducive to reduce line loss.The utility model has enriched the function of electric measuring apparatus, can carry out read-write operation by serial ports.The utility model can be preserved meritorious information about power, can check the active energy that hanging air conditioner consumes altogether.
Claims (4)
1. hanging air conditioner electricity measuring apparatus, it is characterized in that being arranged in hanging air conditioner, comprise the wiring board (1) that is provided with control circuit, control circuit comprises microcontroller (2), sample circuit (3), serial communication unit (4) and provide the power supply unit (5) of operating voltage for whole hanging air conditioner electricity measuring apparatus, the input end of sample circuit (3) is connected with hanging air conditioner power input (6), the output terminal of sample circuit (3) is connected with described microcontroller (2), microcontroller (2) is connected with hanging air conditioner governor circuit (7) through serial communication unit (4).
2. hanging air conditioner electricity measuring apparatus according to claim 1, is connected with light-coupled isolation unit (8) between the microcontroller (2) described in it is characterized in that and described serial communication unit (4).
3. hanging air conditioner according to claim 1 and 2 electricity measuring apparatus, it is characterized in that described wiring board (1) is provided with five two core row pins (10), a four-core row pin (11), 250 single inserted sheets (12) and 250 bend cutting seats (13), four two core row's pins (10) are located at respectively four corners of wiring board (1), the zero line input end of all the other one two cores rows pin (10) and described sample circuit (3) is connected, the live wire input end of 250 single inserted sheets (12) and described sample circuit (3) is connected, 250 bend cutting seats (13) and 250 single inserted sheets (12) also connect, four-core row's pin (11) is connected with described serial communication unit (4).
4. hanging air conditioner electricity measuring apparatus according to claim 1 and 2, is characterized in that described microcontroller (2) adopts MSP430AFE253 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430813.5U CN203396839U (en) | 2013-07-17 | 2013-07-17 | Hanging air-conditioning electricity metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320430813.5U CN203396839U (en) | 2013-07-17 | 2013-07-17 | Hanging air-conditioning electricity metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203396839U true CN203396839U (en) | 2014-01-15 |
Family
ID=49908361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320430813.5U Expired - Lifetime CN203396839U (en) | 2013-07-17 | 2013-07-17 | Hanging air-conditioning electricity metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203396839U (en) |
-
2013
- 2013-07-17 CN CN201320430813.5U patent/CN203396839U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202929080U (en) | Refrigerator power consumption metering device | |
| CN203396839U (en) | Hanging air-conditioning electricity metering device | |
| CN202362372U (en) | Intelligent electric energy meter | |
| CN208443870U (en) | A kind of electric energy meter testing jig | |
| CN202957384U (en) | Spherical socket | |
| CN201518045U (en) | RS485 smart meter | |
| CN201540646U (en) | Copying collector suitable for low-voltage power line carrier electric energy meter reading | |
| CN202330699U (en) | Simple electric energy meter testing device | |
| CN203287408U (en) | Multi-meter-position combined electric energy meter plug-in unit | |
| CN2575882Y (en) | Device for climbing pole of 35 kV single-pole cable | |
| CN201242566Y (en) | Electric energy meter | |
| CN203054045U (en) | Electric energy metering device for vending machine | |
| CN205861738U (en) | Kenya's single-phase STS split electric energy meter open air table body | |
| CN206658214U (en) | A kind of convenient network test device | |
| CN206311739U (en) | Lithium battery on-line checking device and lithium battery on-line detecting system | |
| CN205374593U (en) | A electric device for monitoring of air conditioning system energy consumption | |
| CN220271891U (en) | Onboard embedded software automatic tester | |
| CN110389254A (en) | A kind of metering device and end metering device of single-phase electrical parameter | |
| CN204903707U (en) | General test fixture of air conditioner | |
| CN202948556U (en) | Test rig for carrier meter-reading of low-voltage integrated metering terminal | |
| CN219831366U (en) | Simple electric energy meter verification device | |
| CN203643511U (en) | Universal port passive parameter automatic testing device | |
| CN212083540U (en) | Combined type networked electronic intelligent electric meter | |
| CN203054083U (en) | Small one-way local charge control electric energy meter | |
| CN203689923U (en) | Position indicating box of special nuclear power control rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
|
| CX01 | Expiry of patent term |