CN203337730U - Multichannel effective power acquisition instrument - Google Patents
Multichannel effective power acquisition instrument Download PDFInfo
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- CN203337730U CN203337730U CN2013204436487U CN201320443648U CN203337730U CN 203337730 U CN203337730 U CN 203337730U CN 2013204436487 U CN2013204436487 U CN 2013204436487U CN 201320443648 U CN201320443648 U CN 201320443648U CN 203337730 U CN203337730 U CN 203337730U
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- voltage
- measurement device
- controller mcu
- current
- acquisition instrument
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- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000005259 measurement Methods 0.000 claims description 31
- 239000000047 product Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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Abstract
The utility model discloses a multichannel effective power acquisition instrument which comprises a controller MCU, a voltage measuring device V and a number of load measuring branch circuits. The voltage measuring device V is connected with an alternating current input line. The load measuring branch circuits are connected in parallel with the line after the voltage measuring device V. Each load measuring branch circuit is provided with a current measuring device A. The signal output ends of the current measuring devices A and the voltage measuring device V are electrically connected with the controller MCU. A multichannel external switch Q is eliminated. Contactless measuring can be carried out on the current of all load measuring branch circuits, which greatly shortens the measuring time. In addition, according to the utility model, a voltage and current phase angle detection device pH is added in the circuit; by calculating the phase angle of the voltage and the current, the controller MCU calculates a power factor PF and calculates active power; the power of a product to be measured can be objectively reflected; and the multichannel effective power acquisition instrument can be widely used for measuring the power, the service life and the like of lighting electrical appliance and household electrical appliance products.
Description
Technical field
The utility model relates to power, the life-span Acquisition Instrument of a kind of electric measuring instrument, particularly a kind of electrical equipment.
Background technology
The power of electrical equipment, life-span is two important indicators of electric property, what prior art was measured the power employing is the capture card mensuration, the tester circuitry schematic diagram as shown in Figure 1, this Acquisition Instrument mainly comprises that controller MCU and the outside change-over switch Q of multichannel form, be connected with voltage measurement device and current measurement device on the interchange incoming line of the outside change-over switch Q of multichannel, the output terminal of the outside change-over switch Q of multichannel is parallel with some load L, during test, controller MCU controls the outside change-over switch Q of multichannel switch load L one by one, the mode that employing is patrolled and examined gathers voltage and current, then calculate power by controller MCU computing, the shortcoming first of this Acquisition Instrument adopts the mode of patrolling and examining, once can only measure a load, the time of test is longer, it two is that this power does not have the rated output factor, in calculating formula, be that electric current is multiplied by voltage, the power calculated is applied power, can not objectively respond the active power of electrical equipment.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model provides that a kind of measuring speed is fast, measurement result multichannel useful power Acquisition Instrument accurately.
The utility model solves the technical scheme that its technical matters adopts:
A kind of multichannel useful power Acquisition Instrument, comprise controller MCU, voltage measurement device V and some load measure branch roads, described voltage measurement device V is connected on and exchanges on incoming line, on the circuit of described load measure branch circuit parallel connection after described voltage measurement device V, described every load measure branch road is provided with a current measurement device A, the signal output part of described current measurement device A, voltage measurement device V is electrically connected to described controller MCU, and described controller MCU is connected with key circuit K and display D.
The output terminal of described controller MCU is provided with for connecting the PORT COM C of computer.
Be provided with electric current and voltage phase angle detection PH on described interchange incoming line.
On the circuit that described voltage measurement device V, current measurement device A are connected with described controller MCU, be provided with signal converter T and analog to digital converter A D.
On the circuit that described electric current and voltage phase angle detection PH is connected with described controller MCU, be provided with signal converter T and analog to digital converter A D.
The beneficial effects of the utility model are: Acquisition Instrument of the present utility model has saved the outside change-over switch Q of multichannel, be provided with a current measurement device A at every load measure branch road, the electric current of all load measure branch roads of contactless measurement simultaneously, greatly shortened the time of measuring, in addition, the utility model has increased electric current and voltage phase angle detection PH in circuit, device MCU processed calculates power factor PF by the phase angle meter of electric current and voltage, just can calculate the active power of electrical equipment, can objectively respond the power of product to be measured, can be widely used in the power of measuring electric lighting and household electronic products, life-span etc.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the circuit theory diagrams of measuring instrument in prior art;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
With reference to Fig. 2, a kind of multichannel useful power Acquisition Instrument, comprise controller MCU, voltage measurement device V and some load measure branch roads, load L just is connected on the load measure branch road, described voltage measurement device V is connected on and exchanges on incoming line, on the circuit of described load measure branch circuit parallel connection after described voltage measurement device V, described every load measure branch road is provided with a current measurement device A, described current measurement device A, the signal output part of voltage measurement device V is electrically connected to described controller MCU, described controller MCU is connected with for the key circuit K of input operation with for showing the display D of information.
The output terminal of described controller MCU is provided with for connecting the PORT COM C of computer, computer is connected by PORT COM C with measuring instrument of the present utility model, and be equipped with special-purpose software, just can record power, life-span of load etc., such as,, just be considered as load and damage below or above setting value when the power of load, system automatic writing time, just can determine life-span of product.
Be provided with electric current and voltage phase angle detection PH on described interchange incoming line, controller MCU, by the phase angle of the voltage and current that detects, can calculate power factor, thereby calculate the active power of electrical equipment, can objectively respond the power of product to be measured.
On the circuit that described voltage measurement device V, current measurement device A, electric current and voltage phase angle detection PH are connected with described controller MCU, be provided with signal converter T and analog to digital converter A D, signal converter T changes electric signal, analog to digital converter A D convert the electrical signal to simulating signal and send in controller MCU, controller MCU just can be according to the power of predetermined regular counting yield, life-span etc.
Acquisition Instrument of the present utility model adopts modular design, be provided with 16 load measure tributary interfaces on a circuit board, can be according to user's demand, the mode dilatation of parallel circuit plate in Acquisition Instrument, also be provided with PORT COM between each circuit board, after dilatation, the PORT COM of individual circuit board is connected and gets final product, measuring instrument of the present utility model has saved the outside change-over switch Q of multichannel, be provided with a current measurement device A at every load measure branch road, the electric current of all load measure branch roads of contactless measurement simultaneously, greatly shortened the time of measuring, can be widely used in the power of measuring electric lighting and household electronic products, life-span etc.
Claims (5)
1. a multichannel useful power Acquisition Instrument, comprise controller MCU, voltage measurement device V and some load measure branch roads, it is characterized in that described voltage measurement device V is connected on the interchange incoming line, on the circuit of described load measure branch circuit parallel connection after described voltage measurement device V, described every load measure branch road is provided with a current measurement device A, the signal output part of described current measurement device A, voltage measurement device V is electrically connected to described controller MCU, and described controller MCU is connected with key circuit K and display D.
2. Acquisition Instrument according to claim 1, is characterized in that the output terminal of described controller MCU is provided with for connecting the PORT COM C of computer.
3. Acquisition Instrument according to claim 1, is characterized in that on described interchange incoming line being provided with electric current and voltage phase angle detection PH.
4. Acquisition Instrument according to claim 1, it is characterized in that on circuit that described voltage measurement device V, current measurement device A be connected with described controller MCU being provided with signal converter T and analog to digital converter A D.
5. Acquisition Instrument according to claim 3, it is characterized in that on circuit that described electric current and voltage phase angle detection PH is connected with described controller MCU being provided with signal converter T and analog to digital converter A D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204436487U CN203337730U (en) | 2013-07-24 | 2013-07-24 | Multichannel effective power acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204436487U CN203337730U (en) | 2013-07-24 | 2013-07-24 | Multichannel effective power acquisition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337730U true CN203337730U (en) | 2013-12-11 |
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ID=49706397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204436487U Expired - Fee Related CN203337730U (en) | 2013-07-24 | 2013-07-24 | Multichannel effective power acquisition instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203337730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281564A (en) * | 2021-05-26 | 2021-08-20 | 珠海格力电器股份有限公司 | Power consumption power calculation method and processor of electric equipment and electric equipment |
-
2013
- 2013-07-24 CN CN2013204436487U patent/CN203337730U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113281564A (en) * | 2021-05-26 | 2021-08-20 | 珠海格力电器股份有限公司 | Power consumption power calculation method and processor of electric equipment and electric equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170122 Address after: 528400 Guangdong city of Zhongshan province Henglan Town, shop B31, Grammy domain A31 Patentee after: Zhongshan Zhong Xiang Instrument Co., Ltd. Address before: 421000 Hunan city of Hengyang province Zhuhui District No. 5 in the housing 6 households Patentee before: Luo Yun |
|
| 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: 20131211 Termination date: 20190724 |