CN211930614U - Single-fire double-control switch and intelligent switch system - Google Patents
Single-fire double-control switch and intelligent switch system Download PDFInfo
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- CN211930614U CN211930614U CN202021044453.1U CN202021044453U CN211930614U CN 211930614 U CN211930614 U CN 211930614U CN 202021044453 U CN202021044453 U CN 202021044453U CN 211930614 U CN211930614 U CN 211930614U
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Abstract
The utility model relates to a single fire double control switch and intelligence switch system, single fire double control switch include first connecting terminal, second connecting terminal and signal terminal, still include open-state supply circuit, off-state supply circuit, control circuit, relay, keep apart received signal circuit and keep apart the transmitted signal circuit, open-state supply circuit, off-state supply circuit, relay, keep apart received signal circuit and keep apart the transmitted signal circuit and all be connected with control circuit, open-state supply circuit and off-state supply circuit connect in parallel between first connecting terminal and second connecting terminal, the relay is located between first connecting terminal and the open-state supply circuit, keep apart received signal circuit and keep apart the transmitted signal circuit and all be connected with signal terminal. The utility model discloses can realize the same load of two switch control through the wired control mode on the basis that does not change original mechanical switch wiring, and signal terminal has the wiring protection, can avoid misconnection live wire to cause the switch to damage.
Description
Technical Field
The utility model relates to a switch circuit technical field particularly, relates to a two accuse switches of single fire and intelligence switch system.
Background
The wiring mode of the existing intelligent switch has two types: zero fire mode and single fire mode of connection, the mechanical switch who predetermines in the wall of a lot of buildings at present only has the inlet wire of a connection alternating current power live wire and the play line of a connection load live wire terminal, when this type of mechanical switch need upgrade to intelligent switch, only can select the intelligent switch of single live wire mode of connection.
With the popularization of smart homes, the situation that the same load needs to be controlled by two or more switches often occurs, the existing single-fire smart switches are usually realized in two ways, one way is to communicate among the switches in a wireless way, and the way needs to arrange a wireless communication module in the switches, so that the cost is increased, and the wireless communication is unstable, is easily blocked by a wall body or other objects, and is also easily interfered by external signals; the other mode is that on the basis of the wiring of original mechanical switch, set up the signal port in single fire intelligence switch and carry out wired communication, nevertheless because the wiring of original mechanical switch lacks obvious sign, and the distance between the switch is longer, can't distinguish live wire and signal line directly perceivedly when the wiring, easily with live wire misconnection signal end, lead to the switch to burn out, serious can cause the loss of personal property even.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two accuse switches of single fire and intelligence switch system can realize the same load of two switch control through the wired control mode on the basis that does not change original mechanical switch wiring, and signal terminal has the wiring protection, can avoid the misconnection live wire to cause the switch to damage.
The utility model provides a single fire double control switch, includes first connecting terminal, second connecting terminal and signal terminal, still includes open-state power supply circuit, off-state power supply circuit, control circuit, relay, keeps apart received signal circuit and keeps apart transmitted signal circuit, open-state power supply circuit, off-state power supply circuit, relay, keep apart received signal circuit and keep apart transmitted signal circuit and all be connected with control circuit, open-state power supply circuit and off-state power supply circuit connect in parallel between first connecting terminal and second connecting terminal, the relay is located between first connecting terminal and the open-state power supply circuit, keep apart received signal circuit and keep apart transmitted signal circuit and all be connected with signal terminal.
Further, the isolation transmitting signal circuit comprises a switch element, and when the switch element is turned on, the control signal sent by the control circuit is sent to the signal terminal through the switch element.
Further, the switching element is one of a triode, a MOS (metal oxide semiconductor) transistor or controllable silicon.
Further, the isolation receiving signal circuit comprises an isolation element, and the isolation element is used for isolating the control circuit from the signal terminal and receiving the control signal sent by the isolation transmitting signal circuit.
Further, the isolation element is an optical coupler or an isolation transformer.
Furthermore, the control circuit comprises a voltage stabilizing circuit and a control chip, the input end of the voltage stabilizing circuit is connected with the output ends of the on-state power supply circuit and the off-state power supply circuit, and the output end of the voltage stabilizing circuit is connected with the control chip.
Furthermore, the device also comprises a state indicating circuit used for displaying the state of the switch, and the state indicating circuit is connected with the control circuit.
Further, the state indicating circuit is an LED indicating lamp or a wireless transmitting module used for wirelessly transmitting the state of the switch.
The control circuit comprises a control signal generating circuit used for generating a control signal, wherein the control signal generating circuit is connected with the control circuit and comprises one of a key switch, a touch switch, an inductive switch or a wireless receiver.
The utility model provides an intelligent switch system, includes foretell two switches of single fire two switches's first binding post interconnect, two of single fire two switches of controlling the signal terminal interconnect of single fire two switches, one of them single fire two switches of controlling the second binding post of switch is connected with the live wire, and another single fire two switches of controlling the second binding post of switch is connected with the zero line.
Compared with the prior art, the beneficial effects of the utility model are that: on the basis of not changing original mechanical switch wiring, can realize the wired communication between the single live switch to can be through a load of two single live switch control, simple to operate, communication reliable and stable, the practicality is strong. The communication between the switches is realized through the isolation receiving signal circuit and the isolation transmitting signal circuit, the isolation receiving signal circuit and the isolation transmitting signal circuit have a wiring protection function, the switch burnout caused by the fact that a live wire is connected into a signal terminal can be avoided, and the safety performance of the switch is improved.
Drawings
Fig. 1 is a block diagram of the single fire double control switch of the present invention.
Fig. 2 is a schematic circuit diagram of the single fire double control switch of the present invention.
Fig. 3 is a schematic circuit diagram of the intelligent switch system of the present invention.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1 and fig. 2, in a preferred embodiment, the single-fire double-control switch of the present invention includes a first connection terminal L1, a second connection terminal L, a signal terminal L2, an on-state power supply circuit 1.2, an off-state power supply circuit 1.1, a control circuit 1.6, a relay 1.3, an isolation receiving signal circuit 1.9, and an isolation transmitting signal circuit 1.8.
The on-state power supply circuit 1.2 is used for supplying power to the switch when the load is switched on, the off-state power supply circuit 1.1 is used for supplying power to the switch when the load is switched off, the on-state power supply circuit 1.2 and the off-state power supply circuit 1.1 are connected in parallel between the first connecting terminal L1 and the second connecting terminal L, and output ends of the on-state power supply circuit 1.2 and the off-state power supply circuit 1.1 are connected with the control circuit 1.6. It should be noted that the on-state power supply circuit 1.2 and the off-state power supply circuit 1.1 may be implemented by using existing power supply circuits, which are not described herein again.
The control circuit 1.6 is used for controlling the on and off of the load according to the control signal, in this embodiment, the control circuit 1.6 includes a voltage stabilizing circuit and a control chip U1, the voltage stabilizing circuit includes a voltage stabilizing chip U2, the output ends of the on-state power supply circuit 1.2 and the off-state power supply circuit 1.1 are connected with the input end of the voltage stabilizing chip U2 through a diode, and the output end of the voltage stabilizing chip U2 is connected with the power supply pin of the control chip U1, so as to provide a stable working voltage for the control chip U1.
The relay 1.3 is arranged between the first connection terminal L1 and the on-state power supply circuit 1.2 and connected with the control circuit 1.6, and the control chip U1 can control the on and off of the relay according to the control signal, so as to control the load. In this embodiment, be equipped with drive circuit 1.4 that is used for driving relay 1.3 between relay 1.3 and the control circuit 1.6, specifically, drive circuit 1.4 includes two MOS tubes, and two signal feet of control chip U1 are connected respectively to two MOS tubes, and control chip U1 controls the break-make of relay 1.3 through two MOS tubes.
The isolation receiving signal circuit 1.9 and the isolation transmitting signal circuit 1.8 are connected in parallel between the signal terminal L2 and the control circuit 1.6, the isolation transmitting signal circuit 1.8 is used for sending a control signal to another single-fire double-control switch, and the isolation receiving signal circuit 1.9 is used for receiving the control signal sent by another single-fire double-control switch, so that wired communication between the switches is realized.
The isolated transmit signal circuit 1.8 comprises a switching element via which a control signal issued by the control circuit 1.6 is sent to the signal terminal L2 when the switching element is conductive. In this embodiment, the switching element is a transistor QS1, the triode QS1 is a high voltage tube, the base of the transistor QS1 is connected to the control chip U1, the collector is connected to the signal terminal L2, and the emitter is grounded. It should be noted that the switching element is not limited to a transistor, and in other embodiments, the switching element may be a MOS transistor or a thyristor, or other conventional switching elements.
The isolated receive signal circuit 1.9 includes an isolation element for isolating the control circuit 1.6 from the signal terminal L2 and receiving the control signal issued by the isolated transmit signal circuit 1.8. In this embodiment, the isolation element is an optical coupler US1, the isolation signal receiving circuit 1.9 includes an optical coupler US1 and a diode D3, an anode of the diode D3 is connected to an output terminal of the on-state power supply circuit 1.2, a light receiver of the optical coupler US1 is connected to the control chip U1, an anode of a light emitter of the optical coupler US1 is connected to a cathode of the diode D3, and a cathode of the light emitter is connected to the signal terminal L2 and a collector of the transistor QS 1. It should be noted that the isolation element may not be limited to the optical coupler, and in other embodiments, the switch element may be an isolation transformer or other existing isolation device.
The present embodiment is provided with a control signal generating circuit 1.5 for generating a control signal, the control signal generating circuit 1.5 is connected to the control circuit 1.6, and the control signal generating circuit 1.5 includes one of a key switch, a touch switch, an inductive switch or a wireless receiver.
In order to display the state of the single fire double control switch, the present embodiment is preferably provided with a state indicating circuit 1.7, and the state indicating circuit 1.7 is connected with the control circuit 1.6. In this embodiment, the status indication circuit 1.7 includes an LED indicator LED1, and in specific implementation, when the load is in a conducting state, the LED indicator LED1 is turned on, otherwise, the LED indicator LED1 is not turned on, so that the user can visually recognize the status of the single-fire double-control switch. In other embodiments, the status indication circuit may be a wireless transmission module, and the wireless transmission module sends the status of the switch through a wireless signal.
An intelligent switch system comprises two single-fire double-control switches, wherein the two single-fire double-control switches are defined as a product A and a product B respectively, and the connection mode of the specific embodiment of the intelligent switch system is as follows: first binding post L1 interconnect of product A and product B, product A and product B signal terminal L2 interconnect, and product A's second binding post L is connected with the live wire, and product B's second binding post L is connected with the zero line that is equipped with the load.
In order to better understand the utility model discloses an intelligent switch system, the theory of operation of this system is illustrated below: when the control signal generating circuit 1.5 of the product a generates a control signal, the control circuit 1.6 of the product a controls the relay 1.4 of the product a to be turned on or off according to the control signal, and simultaneously sends the control signal to the isolated transmitting signal circuit 1.8 of the product a, at this time, the triode QS1 of the product a is turned on, the signal terminal L2 of the product a generates a low level signal, and the low level signal is transmitted to the signal terminal L2 of the product B through a conducting wire, so that the isolated receiving signal circuit 1.9 of the product B is turned on, and after the control circuit 1.6 of the product B receives a signal of the optocoupler US1, the relay 1.3 of the product B is controlled to be turned on or off, thereby realizing the on or off of the load.
Because keep apart receiving signal circuit 1.9 and adopt opto-coupler US1 communication, and keep apart triode QS1 of transmitting signal circuit 1.8 and adopt the high-voltage triode, even the mistake is inserted the live wire into signal terminal L2 when the wiring, the high voltage is blocked at signal terminal L2, can not damage the inside circuit of single fire double control switch to play the effect of protection, make the security of product higher.
To sum up, the utility model discloses can realize the wire communication between the single fiery switch on the basis that does not change original mechanical switch wiring to can be through a load of two single fiery on-off control, simple to operate, communication is reliable and stable, and the practicality is strong. The communication between the switches is realized through the isolation receiving signal circuit 1.9 and the isolation transmitting signal circuit 1.8, and the isolation receiving signal circuit 1.9 and the isolation transmitting signal circuit 1.8 have a wiring protection function, so that the switch burnout caused by the fact that a live wire is connected into a signal terminal can be avoided, and the safety performance of the switch is improved.
In the description of the present invention, it is to be understood that the terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.
Claims (10)
1. The utility model provides a single fire double control switch, includes first connecting terminal, second connecting terminal and signal terminal, its characterized in that still includes on-state supply circuit, off-state supply circuit, control circuit, relay, keeps apart received signal circuit and keeps apart transmitted signal circuit, on-state supply circuit, off-state supply circuit, relay, keep apart received signal circuit and keep apart transmitted signal circuit and all be connected with control circuit, on-state supply circuit and off-state supply circuit connect in parallel between first connecting terminal and second connecting terminal, the relay is located between first connecting terminal and the on-state supply circuit, keep apart received signal circuit and keep apart transmitted signal circuit and all be connected with signal terminal.
2. The single fire double control switch according to claim 1, wherein the isolated transmission signal circuit comprises a switching element, and when the switching element is turned on, the control signal sent by the control circuit is sent to the signal terminal through the switching element.
3. The single fire double control switch according to claim 2, wherein the switching element is one of a triode, a MOS tube or a thyristor.
4. The single fire dual control switch of claim 1 wherein the isolation receive signal circuit includes an isolation element for isolating the control circuit from the signal terminals and receiving the control signal from the isolation transmit signal circuit.
5. The single fire double control switch according to claim 4, wherein the isolation element is an optical coupler or an isolation transformer.
6. The single-fire double-control switch according to claim 1, wherein the control circuit comprises a voltage stabilizing circuit and a control chip, an input end of the voltage stabilizing circuit is connected with output ends of the on-state power supply circuit and the off-state power supply circuit, and an output end of the voltage stabilizing circuit is connected with the control chip.
7. The single fire double control switch according to claim 1, further comprising a status indicating circuit for displaying the status of the switch, the status indicating circuit being connected to the control circuit.
8. The single fire double control switch according to claim 7, wherein the status indicating circuit is an LED indicating lamp or a wireless transmitting module for wirelessly transmitting the switch status.
9. The single fire dual control switch according to claim 1, further comprising a control signal generating circuit for generating a control signal, wherein the control signal generating circuit is connected to the control circuit, and the control signal generating circuit comprises one of a key switch, a touch switch, an inductive switch, or a wireless receiver.
10. An intelligent switch system, comprising two single-fire double-control switches according to any one of claims 1 to 9, wherein the first terminals of the two single-fire double-control switches are connected with each other, the signal terminals of the two single-fire double-control switches are connected with each other, the second terminal of one single-fire double-control switch is connected with a live wire, and the second terminal of the other single-fire double-control switch is connected with a neutral wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021044453.1U CN211930614U (en) | 2020-06-09 | 2020-06-09 | Single-fire double-control switch and intelligent switch system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021044453.1U CN211930614U (en) | 2020-06-09 | 2020-06-09 | Single-fire double-control switch and intelligent switch system |
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| CN211930614U true CN211930614U (en) | 2020-11-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117727296A (en) * | 2023-12-18 | 2024-03-19 | 杭州恒芯微电子技术有限公司 | Speech recognition control system based on single fire panel |
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2020
- 2020-06-09 CN CN202021044453.1U patent/CN211930614U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117727296A (en) * | 2023-12-18 | 2024-03-19 | 杭州恒芯微电子技术有限公司 | Speech recognition control system based on single fire panel |
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