CN204086861U - A kind of power control circuit - Google Patents
A kind of power control circuit Download PDFInfo
- Publication number
- CN204086861U CN204086861U CN201420468652.3U CN201420468652U CN204086861U CN 204086861 U CN204086861 U CN 204086861U CN 201420468652 U CN201420468652 U CN 201420468652U CN 204086861 U CN204086861 U CN 204086861U
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- switch
- panel
- direct current
- driver
- change
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Abstract
The utility model discloses a kind of power control circuit, this circuit comprises panel-switch, power control circuit also comprises for accessing external communication electricity, described alternating current is converted to the first direct current, and described first direct current is sent to described change-over circuit plate, sending control signal with the driver of output safety alternating current and for receiving the switching signal of described panel-switch under the described first galvanic state of access according to digital signal, described switching signal being converted to described digital signal and being back to the change-over circuit plate of described driver.Enforcement the beneficial effects of the utility model are, are pulled to panel-switch place by weak electric wire, ensure that panel-switch security in use, also making panel-switch convenient when changing, meanwhile, also saving the wire rod of forceful electric power line, namely saving wiring cost; In addition, owing to being weak electricity system, be more easily implemented in intelligent appliance system, expansibility is strong.
Description
Technical field
The utility model relates to household electrical appliances Energy control field, particularly relates to a kind of power control circuit.
Background technology
Intelligent appliance power supply has wireless and wired two kinds of basic control methods.Although controlled in wireless economizes line, the less stable controlled, is not suitable for home improvement industries; Existing cable switch control method, must move live wire to switch place from lambda line see the traditional control method in Fig. 1, Fig. 1, by moving the consumers such as light fixture to again after make and break contact, needs longer forceful electric power line just can be connected to switching node.And forceful electric power line is all thicker copper cash, price is higher, and wiring is complicated, and strong and weak electricity loads in mixture, and security is poor, waste wire rod.
Utility model content
The technical problems to be solved in the utility model is, directly access switch for live wire in above-mentioned prior art, forceful electric power line uses too much problem, provides a kind of power control circuit.
The utility model solves the technical scheme that its technical matters adopts: construct a kind of power control circuit, comprise panel-switch, described power control circuit also comprises for accessing external communication electricity, described alternating current is converted to the first direct current, and described first direct current is sent to described change-over circuit plate, control signal is sent with the driver of output safety alternating current and the switching signal for receiving described panel-switch under the described first galvanic state of access according to digital signal, described switching signal is converted to described digital signal and is back to the change-over circuit plate of described driver,
Wherein, it is inner that described change-over circuit plate is arranged at described panel-switch, and described driver and described change-over circuit plate are set up and to be electrically connected and digital communication is connected, and described change-over circuit plate and described panel-switch are electrically connected.
In power control circuit described in the utility model, described driver comprise for access described external communication electricity and described external communication electricity is converted to described first direct current and by described first direct current by described modulation-demodulation circuit be sent to described change-over circuit plate power converting circuit, be used for identifying described digital signal with send described control signal microprocessor, be used for the modulation-demodulation circuit that modulation /demodulation is carried out to described digital signal and the relay be used for according to described control signal output safety alternating current;
Described power converting circuit is electrically connected at described modulation-demodulation circuit, described modulation-demodulation circuit is electrically connected at described microprocessor, described microprocessor is electrically connected at described relay, and described microprocessor is set up digital communication through described modulation-demodulation circuit with described change-over circuit plate and is connected.
In power control circuit described in the utility model, in described relay, be provided with the contact protection circuit for eliminating the spark that described safety AC electricity produces.
In power control circuit described in the utility model, described change-over circuit plate comprises the Connection Block being electrically connected at described driver, for receiving described first direct current by described Connection Block and being converted into the 3rd direct current, described 3rd direct current is sent to described second conversion processor, receive described digital signal and it be back to the first conversion processor of described driver by described Connection Block, and described panel-switch is communicated with to receive the switching signal of described panel-switch after accessing described 3rd direct current, and described switching signal is converted to the second conversion processor of described digital signal,
Described Connection Block is electrically connected at described first conversion processor, described first conversion processor is electrically connected at described second conversion processor.
In power control circuit described in the utility model, described panel-switch is soft-touch control or keyswitch.
Implement a kind of power control circuit of the present utility model, there is following beneficial effect: be pulled to panel-switch place by weak electric wire, ensure that panel-switch security in use, also make panel-switch convenient when changing, simultaneously, also save the wire rod of forceful electric power line, namely save wiring cost; In addition, owing to being weak electricity system, be more easily implemented in intelligent appliance system, expansibility is strong.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the power control circuit of prior art;
The structural representation of a kind of power control circuit that Fig. 2 provides for the utility model preferred embodiment;
The structural representation of the driver that Fig. 3 provides for the utility model preferred embodiment;
The structural representation of the change-over circuit plate that Fig. 4 provides for the utility model preferred embodiment and panel-switch;
The structural representation of a kind of power control circuit that Fig. 5 provides for another preferred embodiment of the utility model.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
The purpose of this utility model is to provide a kind of domestic power supply control circuit and control method thereof of easy-to-use, safety, province's wire rod, favorable expandability, the utility model is in the inside of normal domestic use switch enclosure, install the change-over circuit plate 3 that multi-way switch dry contact signal is converted to digital signal by a piece, this multi-way switch can be arranged on panel-switch 1.This block change-over circuit plate 3 is while be connected with normal domestic use panel-switch 1 (singly-bound or multikey), and another side is connected with driver 2 by two core light current circuits, thus realizes the control to the household electric appliances such as light, curtain power supply by driver 2.
The structural representation of a kind of power control circuit that Fig. 2 provides for the utility model preferred embodiment, as shown in Figure 2, the utility model provides a kind of power control circuit, and this circuit comprises panel-switch 1, driver 2 and is arranged at the change-over circuit plate 3 of described panel-switch 1 inside; Wherein, panel-switch 1 generally adopts switch 86 box (English or American box) and is arranged on the wall of overhead certain altitude (for the ease of operation, terrain clearance is generally 1.3 to 1.5 meters), simultaneously, this panel-switch 1 can be singly-bound or multikey, operates to facilitate the power supply of user to different household electrical appliance.Driver 2 is heavy-current control equipment, is usually arranged in panel box or in furred ceiling.As can be seen from Figure 2, the utility model can adopt traditional panel-switch 1, operates easier.
In this power control circuit, described alternating current, for accessing external communication electricity, is converted to the first direct current by described driver 2, and described first direct current is sent to described change-over circuit plate 3; Described switching signal, for receiving the switching signal of described panel-switch 1 under the described first galvanic state of access, is converted to described digital signal and is back to described driver 2 by described change-over circuit plate 3; Described driver 2 is also for sending control signal with output safety alternating current according to digital signal.
In addition, described driver 2 is electrically connected with described change-over circuit plate 3, and described change-over circuit plate 3 is electrically connected with described panel-switch 1; Wherein, described driver 2 is connected to described change-over circuit plate 3 by two core weak electric wires.The use of this two cores weak electric wire had both achieved the direct current supply of driver 2 to panel-switch 1, achieved again the data communication between driver 2 and panel-switch 1.Due to panel-switch 1 access is direct current, namely works under light current environment, there will not be the electric leakage fiber crops hand under wet season or wet environment; Change panel-switch 1 also very convenient, need not power-off, need not worry to get an electric shock.
Driver 2 of the present utility model as shown in Figure 3, the structural representation of the driver 2 that Fig. 3 provides for the utility model preferred embodiment, described driver 2 comprises power converting circuit 21, is electrically connected at the modulation-demodulation circuit 22 of described power converting circuit 21, is electrically connected at the microprocessor 23 of described modulation-demodulation circuit 22 and is electrically connected at the relay 24 of described microprocessor 23; In figure 3, live wire is expressed as L (LIVE), and zero line is expressed as N (NEUTRAL).
Described first direct current, for accessing described external communication electricity and described external communication electricity being converted to described first direct current, is sent to described change-over circuit plate 3 by described modulation-demodulation circuit 22 by described power converting circuit 21; Described power converting circuit 21 is also for being converted to described second direct current by described external communication electricity, and described second direct current is that described microprocessor 23 and described modulation-demodulation circuit 22 are powered.Particularly, power converting circuit 21 becomes the second direct current+5V, the first direct current+28V 220V convert alternating current.+ 5V is as the working power of microprocessor 23 and relay 24; + 28V, after modulator-demodular unit, outputs to networking bus by J3, provide power supply to panel-switch 1.
Described microprocessor 23 is set up digital communication through described modulation-demodulation circuit 22 with described change-over circuit plate 3 and is connected, and described microprocessor 23 is for identifying that described digital signal controls signal to described relay 24 described in sending; Particularly, the delivery outlet of microprocessor 23 is used for the contact protection circuit 241 of pilot relay 24 line bag and relay 24, and communication port (TX, RX) carries out data communication with the equipment in networking bus after modulator-demodular unit.
Described modulation-demodulation circuit 22 carries out modulation /demodulation for connecting to described digital communication the digital signal produced, and identifies described digital signal to make described microprocessor 23 and described change-over circuit plate 3; Particularly, after+28V direct supply and signal of communication (TX, RX) are carried out modulating/demodulating by modulation-demodulation circuit 22, provide power supply and data communication by J3 to networking bus.
Described relay 24 is for according to described control signal output safety alternating current.The contact protection circuit 241 for eliminating the spark that described safety AC electricity produces is provided with in described relay 24.Particularly, the contact (namely output terminal) of relay 24 is for the alternating current fire wire (in Fig. 3 first pin of J1 or crus secunda) of control 220V electrical appliance (such as: illuminating lamp etc.), and alternating current zero line leads directly to uncontrolled.In order to extend the serviceable life of relay 24 contact, contact connects antispark contact protection circuit 241.
Panel-switch 1 of the present utility model and change-over circuit plate 3 are as shown in Figure 4, the structural representation of the change-over circuit plate 3 that Fig. 4 provides for the utility model preferred embodiment and panel-switch 1, described change-over circuit plate 3 comprises the Connection Block 31 being electrically connected at described driver 2, the first conversion processor 32 being electrically connected at described Connection Block 31 and is electrically connected at the second conversion processor 33 of described first conversion processor 32; In the diagram, the first conversion processor 32 is U1, and the second conversion processor 33 is U2.
Described 3rd direct current, for receiving described first direct current by described Connection Block 31 and being converted into the 3rd direct current, is sent to described second conversion processor 33 by described first conversion processor 32; Described first conversion processor 32 is also for receiving described digital signal and it being back to described driver 2 by described Connection Block 31; Particularly, the J1 of Connection Block 31 is the two core weak electric wire Connection Blocks 31, TTVS1 of networking with driver 2 is antistatic pipe; + 28V the direct supply that driver 2 provides enters the 3rd pin of U1 through J1, TR1, TD1; And from the digital signal that J1 enters, after TC1, access the 4th pin of U1.
The major function of U1 is :+28V Power convert is become+5V power supply, so that for U2; By becoming the digital signal of Transistor-Transistor Logic level after the digital demodulation signal of the 4th pin input, be supplied to U2 microprocessor 23; Export from the 4th pin after the TTL digital signal modulated that U2 microprocessor 23 is provided.
Described second conversion processor 33 is communicated with described panel-switch 1 to receive the switching signal of described panel-switch 1 after accessing described 3rd direct current, and described switching signal is converted to described digital signal.This panel-switch 1 can be keyswitch also can be soft-touch control, and particularly, J2, J3, J4, J5 of the second conversion processor 33 are the four road dry contact input interfaces of U2, can connect at most 4 key general panels switches, i.e. keyswitch.If panel-switch 1 adopts soft-touch control, then change J2, J3, J4, the J5 in Fig. 4 into touch chip interface, namely become soft-touch control.
The beneficial effect of this embodiment is, safety is easy-to-use, and adopt two core weak electric wires between panel-switch 1 and driver 2, cost comparatively traditional scheme is lower.Adopt special AC power delivery outlet simultaneously, can be used in combination with other various intelligent panel, also only need two core weak electric wires and connect.
The structural representation of a kind of power control circuit that Fig. 5 provides for another preferred embodiment of the utility model, as shown in Figure 5, this embodiment is different from an embodiment part and is, multiple panel-switch 1 is connected in parallel, multiple driver 2 is connected in parallel, thus realizes multiple panel-switch 1 and control multiple driver 2 one_to_one corresponding.
In Figure 5, multiple panel-switch 1 can adopt multi-form panel-switch 1 respectively, corresponding different panel-switches 1, different drivers 2 need be set and carry out digital communication with it, preferably, the panel-switch 1 be positioned at above Fig. 5 adopts three common bond switchinges, and the panel-switch 1 be positioned at below Fig. 5 adopts two key soft-touch controls.What adopt due to panel-switch 1 and driver 2 is that digital communication is connected, therefore in the process of transmission, greatly can reduce the possibility of signal error, simultaneously, when multiple panel-switch 1 is installed side by side, namely be installed in parallel and also only need 2 core weak electric wires by each 86 box and connect, then move driver 2 to.
The beneficial effect of this embodiment is, more electrical appliances adopt power control circuit of the present utility model can save more wire rods.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect, also can make a lot of form, these all belong within protection of the present utility model.
Claims (5)
1. a power control circuit, comprise panel-switch, it is characterized in that, described power control circuit also comprises for accessing external communication electricity, described alternating current is converted to the first direct current, and described first direct current is sent to described change-over circuit plate, sending control signal with the driver of output safety alternating current and for receiving the switching signal of described panel-switch under the described first galvanic state of access according to digital signal, described switching signal being converted to described digital signal and being back to the change-over circuit plate of described driver;
Wherein, it is inner that described change-over circuit plate is arranged at described panel-switch, and described driver and described change-over circuit plate are set up and to be electrically connected and digital communication is connected, and described change-over circuit plate and described panel-switch are electrically connected.
2. power control circuit according to claim 1, it is characterized in that, described driver comprise for access described external communication electricity and described external communication electricity is converted to described first direct current and by described first direct current by modulation-demodulation circuit be sent to described change-over circuit plate power converting circuit, be used for identifying described digital signal with send described control signal microprocessor, be used for the modulation-demodulation circuit that modulation /demodulation is carried out to described digital signal and the relay be used for according to described control signal output safety alternating current;
Described power converting circuit is electrically connected at described modulation-demodulation circuit, described modulation-demodulation circuit is electrically connected at described microprocessor, described microprocessor is electrically connected at described relay, and described microprocessor is set up digital communication through described modulation-demodulation circuit with described change-over circuit plate and is connected.
3. power control circuit according to claim 2, is characterized in that, is provided with the contact protection circuit for eliminating the spark that described safety AC electricity produces in described relay.
4. power control circuit according to claim 2, it is characterized in that, described change-over circuit plate comprises the Connection Block being electrically connected at described driver, for receiving described first direct current by described Connection Block and being converted into the 3rd direct current, described 3rd direct current is sent to the second conversion processor, receive described digital signal and it be back to the first conversion processor of described driver by described Connection Block, and described panel-switch is communicated with to receive the switching signal of described panel-switch after accessing described 3rd direct current, and described switching signal is converted to the second conversion processor of described digital signal,
Described Connection Block is electrically connected at described first conversion processor, described first conversion processor is electrically connected at described second conversion processor.
5. power control circuit according to claim 1, is characterized in that, described panel-switch is soft-touch control or keyswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420468652.3U CN204086861U (en) | 2014-08-19 | 2014-08-19 | A kind of power control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420468652.3U CN204086861U (en) | 2014-08-19 | 2014-08-19 | A kind of power control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204086861U true CN204086861U (en) | 2015-01-07 |
Family
ID=52179556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420468652.3U Expired - Fee Related CN204086861U (en) | 2014-08-19 | 2014-08-19 | A kind of power control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204086861U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353652A (en) * | 2014-08-19 | 2016-02-24 | 慧锐通智能科技股份有限公司 | Power control circuit and control method thereof |
-
2014
- 2014-08-19 CN CN201420468652.3U patent/CN204086861U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353652A (en) * | 2014-08-19 | 2016-02-24 | 慧锐通智能科技股份有限公司 | Power control circuit and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WRT INTELLIGENT ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER NAME: SHENZHEN WRT ELECTRICAL APPLIANCE COMPANY LIMITED |
|
| CP03 | Change of name, title or address |
Address after: 518110 Guangdong province Shenzhen city sightseeing road Longhua District Guanlan town rich industrial zone huiruitong Science Park Patentee after: WRT INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 518110 Guangdong city of Shenzhen province rich industrial zone Longhua District Guanlan town huiruitong Science Park Patentee before: SHENZHEN WRT INTELLIGENT ELECTRICAL APPLIANCE Co.,Ltd. |
|
| 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: 20150107 |