CN2742476Y - Automatic switch control circuit for business electric appliance - Google Patents
Automatic switch control circuit for business electric appliance Download PDFInfo
- Publication number
- CN2742476Y CN2742476Y CN 200420097524 CN200420097524U CN2742476Y CN 2742476 Y CN2742476 Y CN 2742476Y CN 200420097524 CN200420097524 CN 200420097524 CN 200420097524 U CN200420097524 U CN 200420097524U CN 2742476 Y CN2742476 Y CN 2742476Y
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- control circuit
- electric appliance
- time clock
- real time
- cpu
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Abstract
The utility model discloses an automatic switch control circuit for the business electric appliance. The exiting business electric appliance is increased with a real time clock control circuit; the real time clock control circuit is connected with a CPU through a I<2>C bus to match the control of the CPU, realizing the automatic switching on and switching off function of the business electric appliance at any instant. The power supply end of the real time clock control circuit is connected with a battery; even if the main power supply of the building is turned off, the real time clock can also work as usual. After being electrified, the CPU reads the data in the real time clock through the I<2>C bus to judge the switching on and switching off state that the current electric appliance can be in to control the normal work of the electric appliance, realizing the whole range automation control of the business electric appliance consequently. The circuit has simple structure and high reliability, effectively saving the human resources.
Description
Technical field
The utility model relates to a kind of automatic switch control circuit of commercial appliance, specifically, relates to a kind of control circuit that is used for the real-time clock of commercial appliance.
Background technology
At present, in commercial appliance, particularly be applied to the large screen television in the modernized business premises, generally need the switching on and shutting down of central each machine of centralized control.Every night, the building battery main switch turn-offed, the m seq master switch that closes, the 9:00 left and right sides, the peak period building TV Auto Power On that is on duty then, after the quitting time, such as shutting down automatically about 6:00 evening, the whole-course automation of such a total system is controlled in the present commercial household electrical appliances and also can't realizes, and only is to be responsible for unified controlling by setting up special managerial personnel, this has not only caused the significant wastage of human resources, and reliability is not high.
Summary of the invention
Can't realize whole-process automatic control in order to overcome in the prior art electrical equipment in the business premises, thereby the reliability of bringing is low, the deficiency of waste of human resource, the utility model provides a kind of novel commercial appliance automatic switch control circuit, by in electrical equipment, setting up real-time timepiece control circuit, realized the whole-course automation control of system.
For solving the problems of the technologies described above, the utility model is by being achieved by the following technical solutions:
A kind of automatic switch control circuit of commercial appliance comprises CPU and the I that is attached thereto
2The C bus in addition, also includes a real-time timepiece control circuit in described commercial appliance, described real-time timepiece control circuit passes through I
2The C bus links to each other with CPU, and its power end links to each other with a battery.
Wherein, it is the real-time timepiece chip realization of RX-8025SA that described real-time timepiece control circuit adopts a model, is connected with a stabilivolt between its power end and the battery.
Compared with prior art, advantage of the present utility model and good effect are: the utility model has been set up real-time timepiece control circuit in existing commercial appliance, pass through I
2The C bus makes it link to each other with CPU, cooperates the control of CPU, has realized commercial appliance Auto Power On at any time and shutdown function.Power end at real-time timepiece control circuit is connected with a battery, even the building primary power cuts out, real-time clock also can be worked as usual.After waiting to power on, CPU passes through I
2The C bus reads the data in the real-time clock, and then judges the on-off state that current electrical equipment should be located, the control apparatus operate as normal, thus realized the whole-course automation control of commercial appliance, effectively saved human resources.
Description of drawings
Fig. 1 is the physical circuit connection layout of real-time clock control section in the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
The utility model has been set up a real-time timepiece control circuit in existing commercial appliance, its physical circuit connection layout is referring to shown in Figure 1.Wherein, described real-time timepiece control circuit is the real-time timepiece chip U201 realization of RX-8025SA by a model mainly, and described clock chip U201 includes bus data end SDA and bus control end SCL, and they pass through I
2The C bus links to each other with CPU in the electrical equipment, cooperates its co-ordination.The power end VDD of clock chip U201 links to each other with a battery BTX1 with resistance R X03 by stabilivolt DX02, even after primary power cuts out, described battery BTX1 still continues the power supply power supply for clock chip U201 provides, and guarantees the non-stop run of chip U201.After treating that electrical equipment powers on once more, CPU is through I
2The C bus reads the current time among the real-time clock U201, and compare with a plurality of times that prior user is set among the CPU, and then judge the on-off state that current electrical equipment should be located, and the control apparatus operate as normal, thus the whole-course automation that has realized commercial appliance is controlled.The capacity of described battery BTX1 is 3V/800mA, and the required electric current of real-time timepiece chip U201 only is 4uA, so adopt battery BTX1 can guarantee nearly 10 years of the normal use of chip U201.
In addition, the look-at-me control end INTA of clock chip U201 links to each other with a power vd D with INTB, thereby makes look-at-me invalid, and the work of this circuit is remained on a low power consumption state.
The utility model adopts above-mentioned simple circuit configuration, has realized the whole-course automation control of commercial appliance.Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.
Claims (3)
1. the automatic switch control circuit of a commercial appliance comprises CPU and the I that is attached thereto
2The C bus is characterized in that: also include a real-time timepiece control circuit in described commercial appliance, described real-time timepiece control circuit passes through I
2The C bus links to each other with CPU, and its power end links to each other with a battery.
2. the automatic switch control circuit of commercial appliance according to claim 1 is characterized in that: be connected with a stabilivolt between the power end of described real-time timepiece control circuit and the battery.
3. the automatic switch control circuit of commercial appliance according to claim 1 and 2 is characterized in that: it is that the real-time timepiece chip of RX-8025SA is realized that described real-time timepiece control circuit adopts a model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420097524 CN2742476Y (en) | 2004-11-05 | 2004-11-05 | Automatic switch control circuit for business electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420097524 CN2742476Y (en) | 2004-11-05 | 2004-11-05 | Automatic switch control circuit for business electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2742476Y true CN2742476Y (en) | 2005-11-23 |
Family
ID=35477944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420097524 Expired - Fee Related CN2742476Y (en) | 2004-11-05 | 2004-11-05 | Automatic switch control circuit for business electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2742476Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104471497A (en) * | 2012-07-17 | 2015-03-25 | 德隆吉器具有限公司 | Control circuit for self-turn-off of an automatic machine |
-
2004
- 2004-11-05 CN CN 200420097524 patent/CN2742476Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104471497A (en) * | 2012-07-17 | 2015-03-25 | 德隆吉器具有限公司 | Control circuit for self-turn-off of an automatic machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |