CN201829927U - Electrical equipment load type identification system - Google Patents
Electrical equipment load type identification system Download PDFInfo
- Publication number
- CN201829927U CN201829927U CN201020522178XU CN201020522178U CN201829927U CN 201829927 U CN201829927 U CN 201829927U CN 201020522178X U CN201020522178X U CN 201020522178XU CN 201020522178 U CN201020522178 U CN 201020522178U CN 201829927 U CN201829927 U CN 201829927U
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Abstract
The utility model provides an electrical equipment load type identification system, which belongs to the technical field of electronics and solves the problem that the electrical load and the power cannot be accurately judged in the prior art. The identification system comprises a voltage acquisition circuit, a current acquisition circuit, a microprocessor, and a parameter setting circuit, an indicating circuit and an executive circuit which are connected with the microprocessor, wherein the voltage acquisition circuit and the current acquisition circuit can be respectively used for acquiring the voltage and current information of the electrical load and sending the voltage and current information to the microprocessor through an analogue/digital conversion circuit; the system can set a parameter value through the parameter setting circuit and store the parameter value in the microprocessor; and the microprocessor can carry out comparative analysis on the received voltage and current information and parameter set value and generates a control signal according to an analysis result to control the working of the indicating circuit and the executive circuit. When the system is used, confined electrical equipment can be prevented from joining to use, therefore, the dangerous accident is avoided happening. The system can be used at different time or in various occasions.
Description
Technical field
The utility model belongs to electronic technology field, particularly a kind of electrical appliance loadtype recognition system.
Background technology
These confined electrical appliances need limit the electrical appliance of some type and power in some special occasion, because may cause the generation of peril in use.As will limit powerful resistive electrical appliance in the students' dormitory,, also need to limit switch electrical equipment such as computer, TV after turning off the light night such as electric immersion heater, electric furnace, electric cooker etc.
At this problem, at present generally be not use these confined electrical appliances by user's conscious behavior, but general user is not clear specifically is which electrical appliance is limited, which can use, generally all be to judge by rule of thumb, be easy to like this judge and make mistakes, thereby confined electrical appliance is caused unnecessary security incident as operable electrical appliance, bring very big loss for the person and property.
The utility model content
Thereby the utility model proposes a kind of can the raising can avoid confined electrical appliance to add the electrical appliance loadtype recognition system of using the generation that causes peril to the type of electrical appliance load and the accuracy of power identification.
A kind of electrical appliance loadtype recognition system, it is characterized in that: this recognition system comprises voltage collection circuit, the current acquisition circuit, microprocessor and the parameter setting circuit that is connected with above-mentioned microprocessor, indicating circuit and executive circuit, described voltage collection circuit and current acquisition circuit can be gathered with the voltage and current information of electric loading respectively and above-mentioned voltage and current information is sent to microprocessor by mould/number conversion circuit, this recognition system can the setup parameter set point by the parameter setting circuit and pre-set parameter is stored in the microprocessor, and the above-mentioned voltage and current information that described microprocessor can receive it and pre-set parameter calculate comparative analysis and according to analysis result generation control signal and control the work of above-mentioned indicating circuit and executive circuit by control signal.
The current acquisition circuit is done to gather continuously and become digital signal to send in the microprocessor with voltage signal through mould/number conversion circuit conversion in the electric current that collects with voltage signal to the electric current with electric loading respectively with voltage collection circuit, microprocessor is depicted as voltage-current curve by these digital signals, ratio by the calculating voltage electric current, and compare by the ratio that calculated with the last moment, can draw the type of newly-increased load according to the ratio of its variation, as switch, resistive, perception or capacitive; By the product of calculating voltage and electric current, can draw the performance number of load.Microprocessor can compare newly-increased loadtype and the bearing power value that draws with the original pre-set parameters of just having set such as some loadtype and performance number that limit that are stored in the microprocessor, if its newly-increased loadtype is in the loadtype of its restriction or its performance number when having surpassed the performance number of setting, microprocessor sends control signal control indicating circuit and sends alarm signal, sends control signal control executive circuit simultaneously and carries out the action that load is cut off the power supply.Thus, the load outage is not worked, and alarm signal reminds the user that just newly-increased electrical appliance uses the generation that may cause the accident here, this electrical appliance should be removed.
Parameter setting circuit in this electrical appliance loadtype recognition system is the button initialization circuit.The parameter setting circuit can also be the interface circuit that is connected with external input device.
Indicating circuit in this electrical appliance loadtype recognition system is a circuit of LED.When newly-increased load was undesirable, the light-emitting diode in the circuit of LED can light the transmission alarm signal.Indicating circuit can also be charactron display circuit or liquid crystal display circuit.
Executive circuit in this electrical appliance loadtype recognition system comprises signal drive circuit and the executive item that is connected with signal drive circuit, and signal drive circuit is connected with above-mentioned microprocessor.Microprocessor drives the executive item action by signal drive circuit after sending control signal.
Executive item in this electrical appliance loadtype recognition system is a relay, and executive item also can be controllable silicon or other device that can be used to cut off the electricity supply.
Microprocessor in this electrical appliance loadtype recognition system comprises signal input unit, signal output unit, memory cell, clock circuit and processing unit, and signal input unit, signal output unit, clock circuit and memory cell all are connected with processing unit.Can set some pre-set parameters by the parameter setting circuit, these pre-set parameters are stored in the memory cell.According to setup parameter clock circuit is set and can be made native system to use in multiple different time occasion as required so that native system can limit the electrical appliance of dissimilar or power in different time sections.This clock circuit also can be external outside microprocessor.
Compared with prior art, this electrical appliance loadtype recognition system is judged the type of load and is calculated its power by the product that calculates electric current and voltage by the phase difference of electric current and voltage, result and the predefined value of microprocessor after with computational analysis compares and produces accurately control signal control executive circuit and indicating circuit and make corresponding action accurately, can avoid confined electrical appliance to add to the accuracy of the type of electrical appliance load and power identification using the generation that causes peril thereby improved greatly.This recognition system use is flexible simultaneously, volume is little, also has clock circuit, can limit the electrical appliance of dissimilar or power in different time sections, is fit to use in the multiple different time occasion.
Description of drawings
Fig. 1 is a structural principle block diagram of the present utility model.
Embodiment
As shown in Figure 1, this electrical appliance loadtype recognition system comprises voltage collection circuit, current acquisition circuit, microprocessor and the parameter setting circuit, indicating circuit and the executive circuit that are connected with microprocessor, microprocessor comprises signal input unit, signal output unit, memory cell, clock circuit and processing unit, and signal input unit, signal output unit, clock circuit and memory cell all are connected with processing unit.The parameter setting circuit is the button initialization circuit, the button initialization circuit is connected with signal input unit in the microprocessor, indicating circuit is a circuit of LED, circuit of LED is connected with signal output unit in the microprocessor, executive circuit comprises signal drive circuit and the relay that is connected with signal drive circuit, and signal drive circuit is connected with signal output unit in the microprocessor.Voltage collection circuit and current acquisition circuit are connected with signal input unit in the microprocessor by mould/number conversion circuit.
The detailed operation principle of this electrical appliance loadtype recognition system is as follows:
The current acquisition circuit is done to gather continuously and become digital signal to send in the microprocessor with voltage signal through mould/number conversion circuit conversion in the electric current that collects with voltage signal to the electric current with electric loading respectively with voltage collection circuit, processing unit in the microprocessor is depicted as voltage-current curve by these digital signals, ratio by the calculating voltage electric current, and compare by the ratio that calculated with the last moment, can draw the type of newly-increased load according to the ratio of its variation, as switch, resistive, perception or capacitive; By the product of calculating voltage and electric current, can draw the performance number of load.Processing unit in the microprocessor can compare newly-increased loadtype and the bearing power value that draws with the original pre-set parameters of just having set such as some loadtype and performance number that limit that are stored in the memory cell, if its newly-increased loadtype is in the loadtype of its restriction or its performance number when having surpassed the performance number of setting, microprocessor lights undesirable should the withdrawing of electrical appliance that newly adds with the prompting user by the light-emitting diode that signal output unit sends in the control signal control circuit of LED, send control signal simultaneously and drive relay by signal drive circuit and disconnect and make and do not work, thereby avoided undesirable electrical appliance to add the generation that causes peril when using with the electric loading outage.
Claims (6)
1. electrical appliance loadtype recognition system, it is characterized in that: this recognition system comprises voltage collection circuit, the current acquisition circuit, microprocessor and the parameter setting circuit that is connected with above-mentioned microprocessor, indicating circuit and executive circuit, described voltage collection circuit and current acquisition circuit can be gathered with the voltage and current information of electric loading respectively and above-mentioned voltage and current information is sent to microprocessor by mould/number conversion circuit, this recognition system can the setup parameter set point by the parameter setting circuit and pre-set parameter is stored in the microprocessor, and the above-mentioned voltage and current information that described microprocessor can receive it and pre-set parameter calculate comparative analysis and according to analysis result generation control signal and control the work of above-mentioned indicating circuit and executive circuit by control signal.
2. a kind of electrical appliance loadtype recognition system according to claim 1 is characterized in that described parameter setting circuit is the button initialization circuit.
3. a kind of electrical appliance loadtype recognition system according to claim 2 is characterized in that described indicating circuit is a circuit of LED.
4. according to claim 1 or 2 or 3 described a kind of electrical appliance loadtype recognition systems, it is characterized in that, described executive circuit comprises signal drive circuit and the executive item that is connected with signal drive circuit, and described signal drive circuit is connected with above-mentioned microprocessor.
5. a kind of electrical appliance loadtype recognition system according to claim 4 is characterized in that described executive item is a relay.
6. a kind of electrical appliance loadtype recognition system according to claim 5, it is characterized in that, described microprocessor comprises signal input unit, signal output unit, memory cell, clock circuit and processing unit, and signal input unit, signal output unit, clock circuit and memory cell all are connected with processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020522178XU CN201829927U (en) | 2010-09-06 | 2010-09-06 | Electrical equipment load type identification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020522178XU CN201829927U (en) | 2010-09-06 | 2010-09-06 | Electrical equipment load type identification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201829927U true CN201829927U (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020522178XU Expired - Fee Related CN201829927U (en) | 2010-09-06 | 2010-09-06 | Electrical equipment load type identification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201829927U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967113A (en) * | 2013-12-28 | 2015-10-07 | 英特尔公司 | Electrical load identification using system line voltage |
| CN105759149A (en) * | 2016-04-08 | 2016-07-13 | 湖南工业大学 | Electrical apparatus type judgment device for student dormitory |
| CN111736029A (en) * | 2020-07-29 | 2020-10-02 | 武汉海德博创科技有限公司 | Power module output external load type identification system and method |
| CN114076856A (en) * | 2020-08-17 | 2022-02-22 | 漳州立达信光电子科技有限公司 | Load type detection circuit, load type detection device and household equipment |
-
2010
- 2010-09-06 CN CN201020522178XU patent/CN201829927U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104967113A (en) * | 2013-12-28 | 2015-10-07 | 英特尔公司 | Electrical load identification using system line voltage |
| US9678120B2 (en) | 2013-12-28 | 2017-06-13 | Intel Corporation | Electrical load identification using system line voltage |
| CN104967113B (en) * | 2013-12-28 | 2018-06-08 | 英特尔公司 | It is identified using the electrical load of system line voltage |
| CN105759149A (en) * | 2016-04-08 | 2016-07-13 | 湖南工业大学 | Electrical apparatus type judgment device for student dormitory |
| CN105759149B (en) * | 2016-04-08 | 2018-06-15 | 湖南工业大学 | Students' dormitory electrical appliance type detector |
| CN111736029A (en) * | 2020-07-29 | 2020-10-02 | 武汉海德博创科技有限公司 | Power module output external load type identification system and method |
| CN111736029B (en) * | 2020-07-29 | 2023-02-17 | 武汉海德博创科技有限公司 | Power module output external load type identification system and method |
| CN114076856A (en) * | 2020-08-17 | 2022-02-22 | 漳州立达信光电子科技有限公司 | Load type detection circuit, load type detection device and household equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20110906 |