CN202837519U - AC parameter sampling module - Google Patents
AC parameter sampling module Download PDFInfo
- Publication number
- CN202837519U CN202837519U CN 201220447551 CN201220447551U CN202837519U CN 202837519 U CN202837519 U CN 202837519U CN 201220447551 CN201220447551 CN 201220447551 CN 201220447551 U CN201220447551 U CN 201220447551U CN 202837519 U CN202837519 U CN 202837519U
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- sampling
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- voltage
- sampling circuit
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Abstract
The utility model discloses an AC parameter sampling module, which belongs to an electrical parameter sampling apparatus, wherein the electrical parameter sampling apparatus can be interchangeably used in similar electrical appliances. The AC parameter sampling module comprises a current sampling circuit electrically connected with an AC current transformer and a voltage sampling circuit electrically connected with an AC voltage transformer; the current sampling circuit (3) and the voltage sampling circuit (4) are respectively electrically connected with a sampling operation unit (5); and the sampling operation unit (5) is electrically connected with a communication module (7) through a CPU (6). According to the utility model, the versatility and flexibility are strong, the connection with electric appliances is convenient and fast, and the AC parameter sampling module is the electrical parameter sampling apparatus which can be matched with electric appliances for use.
Description
Technical field
The utility model relates to a kind of electrical quantity sampling apparatus, relates in particular to a kind of alternating current parameter sampling module, belongs to electronic product.
Background technology:As everyone knows, many electric equipment products such as electric energy meter, alternator control system have higher requirement to AC power, need to sample and process the electrical quantity of AC power.Yet present many electric equipment products all are that the alternating current parameter sampling apparatus is integrated in electric equipment products inside; Not only complex structure, assembly connection bother, and the sampling apparatus between the similar electric equipment products can not be mutually general, and dirigibility is relatively poor.
Summary of the invention:For the defects that exists in the prior art, the utility model aim to provide a kind of can be between similar electric equipment products the alternating current parameter sampling module of Alternate.
To achieve these goals, the utility model by the following technical solutions: it comprises the current sampling circuit that is electrically connected with AC current transformer, the voltage sampling circuit that is electrically connected with AC voltage transformer; Current sampling circuit, voltage sampling circuit are electrically connected with the sampling arithmetic element respectively, and this sampling arithmetic element is electrically connected with communication module by CPU.
Compared with the prior art, the utility model is owing to having adopted technique scheme, the arithmetic element of independently sampling, CPU and communication module have been increased, the sampling arithmetic element can be carried out computing and storage with electric current, the voltage parameter that changes digital signal into, and then read and send electric equipment products to by communication module by CPU, can realize that therefore the AC power electrical quantity samples fast and accurately.The utility model can support the use with similar electric equipment products by communication module, have versatility and dirigibility strong, with the advantages such as electric equipment products are convenient and fast connection.
Description of drawings:
Fig. 1 is structural representation of the present utility model.
Among the figure: AC current transformer 1 AC voltage transformer 2 current sampling circuits 3 voltage sampling circuits 4 sampling arithmetic elements 5 CPU6 communication modules 7
Embodiment:The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:
As shown in Figure 1: AC current transformer 1 is electrically connected with sampling arithmetic element 5 by current sampling circuit 3, and AC voltage transformer is electrically connected with sampling arithmetic element 5 by voltage sampling circuit 4; Sampling arithmetic element 5 is electrically connected with communication module 7 by CPU6.
Principle of work: AC voltage transformer 1, current sampling circuit 3 are scaled to a milliampere level electric current with electric current and the voltage analog parameter of AC power, then become digital parameters to send sampling arithmetic element 5 to this milliampere level current transformation by current sampling circuit 3 and voltage sampling circuit 4 again and carry out real-time operation and process; Sampling arithmetic element 5 is stored in operation results such as voltage, electric current, active power, reactive power, frequency, phase place in the storer, and CPU6 reads the data in this storer and sends electric equipment products to by communication module 7; Thereby realize quick, the accurately sampling of AC power electrical quantity.
Claims (1)
1. an alternating current parameter sampling module comprises the current sampling circuit that is electrically connected with AC current transformer, the voltage sampling circuit that is electrically connected with AC voltage transformer; It is characterized in that: current sampling circuit (3), voltage sampling circuit (4) are electrically connected with sampling arithmetic element (5) respectively, and this sampling arithmetic element is passed through CPU(6) be electrically connected with communication module (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220447551 CN202837519U (en) | 2012-09-05 | 2012-09-05 | AC parameter sampling module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220447551 CN202837519U (en) | 2012-09-05 | 2012-09-05 | AC parameter sampling module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837519U true CN202837519U (en) | 2013-03-27 |
Family
ID=47949195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220447551 Expired - Fee Related CN202837519U (en) | 2012-09-05 | 2012-09-05 | AC parameter sampling module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202837519U (en) |
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2012
- 2012-09-05 CN CN 201220447551 patent/CN202837519U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guizhou luminous energy Science and Technology Ltd. Assignor: Guizhou Baishijia Intelligent Technology Co., Ltd. Contract record no.: 2014520000011 Denomination of utility model: AC parameter sampling module Granted publication date: 20130327 License type: Exclusive License Record date: 20140512 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20180905 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |