CN112466110B - Equipment control system and equipment control method - Google Patents
Equipment control system and equipment control method Download PDFInfo
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- CN112466110B CN112466110B CN202011188047.7A CN202011188047A CN112466110B CN 112466110 B CN112466110 B CN 112466110B CN 202011188047 A CN202011188047 A CN 202011188047A CN 112466110 B CN112466110 B CN 112466110B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 51
- 238000007664 blowing Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 150000001450 anions Chemical class 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 230000002650 habitual effect Effects 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 14
- 230000000712 assembly Effects 0.000 description 10
- 238000000429 assembly Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/30—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels
- G08C19/32—Electric signal transmission systems in which transmission is by selection of one or more conductors or channels from a plurality of conductors or channels of one conductor or channel
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F57/00—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired
- D06F57/12—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired specially adapted for attachment to walls, ceilings, stoves, or other structures or objects
- D06F57/125—Supporting means, other than simple clothes-lines, for linen or garments to be dried or aired specially adapted for attachment to walls, ceilings, stoves, or other structures or objects for attachment to, or close to, the ceiling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
- H01H13/54—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state a predetermined time interval after removal of operating force, e.g. for staircase lighting
Abstract
The application discloses a device control system and a device control method. The device control system includes a control switch unit, a signal detection unit, and a processor. The control method of the equipment control system comprises the following steps: signal acquisition, signal storage, signal processing and control signal output. On one hand, the invention satisfies the habitual control mode of using the wall switch by the user, and solves the problem of connection between the wall switch and the intelligent product for matching use; on the other hand, the control mode of the processor is adopted, the defect that the packet loss failure of the remote controller occurs when the wireless remote control mode is adopted is avoided, the cost is relatively low, and the intelligent remote control system is convenient to install, stable in performance and suitable for being matched with the existing intelligent product.
Description
Technical Field
The invention belongs to the field of switches, and particularly relates to a device control system and a device control method.
Background
All electric clothes hangers on the market at present are controlled by wireless Radio Frequency (RF) wireless remote control, but most electric clothes hanger products are metal boxes, and the phenomena of packet loss, failure and the like of a remote controller are frequently caused, and the cost is relatively high.
The current mechanical switch in the market can only control the power supply of the device, realize two functions of switching on and off, and has single control function; the market demands are diversified, so that the current intelligent electric appliances are popular in a large amount, continuous power supply (standby operation) is needed, and if the power supply is cut off, all intelligent functions cannot be realized; meanwhile, when the intelligent control system encounters a fault, such as loss of a remote controller or signal packet loss, wiFi network disconnection, or habitual wall switch control of some users, a device control system is required to be matched with the existing intelligent product.
Disclosure of Invention
The invention provides a device control system and a device control method, which are used for solving the problem of connection with intelligent products when a user uses a wall switch control mode habitually, solving the defect that a wireless remote control mode frequently has packet loss failure of a remote controller and solving the technical problem of relatively high cost.
The invention provides a device control system, which comprises a control switch unit, a signal detection unit and a processor (MCU); the control switch unit is provided with: a switch output; the switch input end is connected to the live wire; and more than two switches, which are single pole double throw switches, connected in series between the switch input and the switch output; the switch is a single-pole double-throw switch and comprises two fixed ends and a movable end; the more than two switches are a first switch, a second switch and a third switch respectively; the control switch unit further includes: the positive electrode of the first diode is connected to the first motionless end of the first switch, and the negative electrode of the first diode is connected to the motionless end of the first switch; the anode of the second diode is connected to the moving end of the second switch, and the cathode of the second diode is connected to the first fixed end of the second switch; the signal detection unit is provided with: the first access end is connected to the switch output end; the second access end is connected to the zero line; the third access end is connected to the ground wire; and at least two signal outputs; the processor is provided with: at least two signal access terminals, each signal access terminal being connected to a signal output terminal; and at least two control output terminals for outputting control signals; the processor outputs a control signal to at least one control output end according to signals received by the at least two signal access ends.
Further, the signal detection unit is further provided with a first power supply connection end connected to the third access end; the processor is also provided with a second power supply connecting end, and the second power supply connecting end is connected with the first power supply connecting end.
Further, the switch key is a rebound key.
Further, the switch key also comprises a reset spring; the reset spring realizes the rebound of the switch key.
Further, the pressing stroke of the return spring is set to 20ms or more.
Further, the control switch unit comprises a switch back seat, at least two key assemblies, hardware and a key shell; specifically, the bottom surface of the switch backseat is used for being installed on a wall body, a power line through hole is formed in the bottom surface of the switch backseat, and at least two key assembly grooves are formed in the inner side of the bottom surface of the switch backseat; the at least two key assemblies are respectively correspondingly accommodated in the at least two key assembly grooves; the hardware comprises a positive electrode electric row and a negative electrode electric row, wherein the positive electrode electric row is provided with a positive electrode connecting end, the negative electrode electric row is provided with a negative electrode connecting end, and the positive electrode connecting end and the negative electrode connecting end are respectively correspondingly connected with the live wire and the zero wire N; the positive electrode electric row and the negative electrode electric row are arranged at intervals and correspond to the notch of the at least two key assembly grooves and are used for respectively pressing the at least two key assemblies into the at least two key assembly grooves, and the positive electrode electric row and the negative electrode electric row are respectively connected with positive and negative terminals of the key assemblies; the key shell is arranged on the switch rear seat and is provided with at least two switch pressing plates; the at least two switch pressing plates are respectively arranged corresponding to the at least two key assemblies to form the at least two switch keys.
Further, each key assembly comprises a reset spring, a movable contact piece and a transmission column; the reset spring is arranged at the bottom of the key assembly groove; the movable contact piece is arranged at the groove part of the key assembly groove and correspondingly pressed on the reset spring; the movable contact piece is provided with a positive wiring end and a negative wiring end, and the positive wiring end and the negative wiring end are respectively connected with the positive electrode electric row and the negative electrode electric row; the transmission column is pressed on one side of the movable contact piece, which is away from the reset spring, and is arranged corresponding to the switch pressing plate.
Further, in the at least two switch keys, at least one switch key further comprises a diode; the diode is welded on the hardware and connected with the key assembly in parallel.
Further, the number of the switch keys in the control switch unit is three, wherein a first diode is connected in parallel to one switch key, and a second diode is connected in parallel to the other switch key; the positive electrode of the first diode is connected to the first motionless end of the first switch, and the negative electrode of the first diode is connected to the motionless end of the first switch; the positive pole of the second diode is connected to the moving end of the second switch, and the negative pole of the second diode is connected to the first fixed end of the second switch.
Further, the device control system further comprises a middle frame; the middle frame is arranged between the switch backseat and the key shell and is used for fixing the hardware.
Further, the key housing includes a key holder and the at least two switch-pressing plates; the key support is arranged on the switch rear seat, a through hole is formed in the position corresponding to the key assembly, and a transmission column in the key assembly penetrates through the through hole; the at least two switch pressing plates are respectively arranged corresponding to the through holes and the transmission columns.
Further, the signal detection unit further comprises a first detection circuit; the first detection circuit comprises a diode D1, a resistor R2 and a diode D7; the positive electrode of the diode D1 is connected to the second access terminal; one end of the resistor R1 is connected to the cathode of the diode D1, and the other end of the resistor R1 is connected to one of the signal output ends; one end of the resistor R2 is connected to the signal output end, and the other end of the resistor R2 is connected to the third access end; the anode of the diode D7 is connected to the third access terminal, and the cathode thereof is connected to the first access terminal.
Further, the signal detection unit further comprises a second detection circuit; the second detection circuit comprises a diode D2, a resistor R3, a resistor R4 and a diode D6; the positive electrode of the diode D2 is connected to the first access terminal; one end of the resistor R3 is connected to the cathode of the diode D2, and the other end of the resistor R3 is connected to one of the signal output ends; one end of the resistor R4 is connected to the signal output end, and the other end of the resistor R4 is grounded; the anode of the diode D6 is connected to the third access terminal, and the cathode thereof is connected to the second access terminal.
Further, the signal detection unit further comprises a third detection circuit; the third detection circuit comprises a diode D4, a resistor R5, a resistor R6 and a diode D6; the positive electrode of the diode D4 is connected to the first access terminal; one end of the resistor R5 is connected to the cathode of the diode D4, and the other end of the resistor R5 is connected to one of the signal output ends; one end of a resistor R6 is connected to the signal output end, and the other end of the resistor R6 is connected to the third access end; the anode of the diode D6 is connected to the third access terminal, and the cathode thereof is connected to the second access terminal.
Further, the third detection circuit further comprises a diode D5 and a diode D7; the anode of the diode D5 is connected to the third access terminal, and the cathode of the diode D5 is connected to the cathode of the diode D4 and is sequentially connected with the resistor R5 and the resistor R6 in series; the anode of the diode D7 is connected to the third access terminal, and the cathode thereof is connected to the first access terminal.
Further, the processor also comprises a signal acquisition unit, a signal storage unit, a signal processing unit and a control signal output unit; specifically, the signal acquisition unit is connected to the signal access end and is used for acquiring signal waveform sets of the at least two switches of the control switch unit in different on-off states; the signal storage unit is connected to the signal acquisition unit and is used for storing a waveform database, and the waveform database comprises signal waveform sets of the more than two switches in different on-off states; the signal processing unit is respectively connected to the signal acquisition unit and the signal storage unit and is used for comparing the signal waveform set acquired by the signal acquisition unit in real time with the waveform database, judging the real-time states of the at least two switches and generating a judging result; one end of the control signal output unit is connected to the signal processing unit, and the other end of the control signal output unit is connected to the control output end and is used for outputting a control signal to at least one control output end according to the judging result.
Further, the waveform database comprises a first state signal waveform, a second state signal waveform and a third state signal waveform; the first state signal waveform is a signal waveform set received by the signal acquisition unit when the moving end of the first switch is connected to the first fixed end and the moving end of the second switch is connected to the first fixed end; the second state signal waveform is a signal waveform set received by the signal acquisition unit when the moving end of the first switch is connected to the second fixed end and the moving end of the second switch is connected to the first fixed end; the third state signal waveform is a signal waveform set received by the signal acquisition unit when the moving end of the first switch is connected to the first fixed end and the moving end of the second switch is connected to the second fixed end.
Further, the waveform database further includes a fourth state signal waveform; the fourth state signal waveform is a signal waveform set received by the signal acquisition unit when the moving end of the first switch is connected to the second fixed end and the moving end of the second switch is connected to the second fixed end.
Further, the judging result comprises a first state result, a second state result and a third state result; when the first state result is that the signal waveform set acquired by the signal acquisition unit in real time is consistent with the first state signal waveform, the moving end of the first switch is judged to be connected to the first fixed end, and the moving end of the second switch is judged to be connected to the first fixed end; when the second state result is that the signal waveform set acquired by the signal acquisition unit in real time is consistent with the second state signal waveform, the moving end of the first switch is judged to be connected to the second fixed end, and the moving end of the second switch is judged to be connected to the first fixed end; and when the third state result is that the signal waveform set acquired by the signal acquisition unit in real time is consistent with the third state signal waveform, the moving end of the first switch is judged to be connected to the first fixed end, and the moving end of the second switch is judged to be connected to the second fixed end.
Further, the determination result includes a fourth state result; and when the fourth state result is that the signal waveform set acquired by the signal acquisition unit in real time is consistent with the fourth state signal waveform, the moving end of the first switch is judged to be connected to the second fixed end, and the moving end of the second switch is judged to be connected to the second fixed end.
Further, the control signals comprise a first state control signal, a second state control signal and a third state control signal; the first state control signal is used for sending out a first operation signal when the first state result is obtained; the second state control signal is used for sending a second operation signal when the second state result is obtained; the third state control signal is to send out a third operation signal when the second state is the result.
Further, the first operation signal is a standby signal.
Further, the control signals include a fourth state control signal; the fourth state control signal is to send out a fourth operation signal when the fourth state is a result.
Further, the first operation signal, the second operation signal, the third operation signal, the fourth operation signal include any one of the following signals: a rise control signal, a fall control signal, an illumination control signal, a forward control signal, a reverse control signal, a speed increasing control signal, a speed decreasing control signal, a heating control signal, a ventilation control signal, a blowing control signal, a negative ion control signal, a blue light control signal, a red light control signal, a green light control signal, a yellow light control signal, a white light control signal, a mixed light control signal, a brightness increasing control signal, and a brightness decreasing control signal.
Further, the device control system further comprises at least one electric device connected with the processor.
Further, the powered device includes any one of the following: the device comprises a motor controller, a lifting upper limit switch, a lifting lower limit switch, a lighting module, an overload resistance sensor, a thermistor heating module, a ventilation device, a blowing device, a wind swinging device, an anion device, a blue light lamp, a red light lamp, a green light lamp, a yellow light lamp and a white light lamp.
The invention also provides a control method of the equipment control system, which comprises the following steps:
a signal acquisition step, which is used for acquiring signal waveform sets of the at least two switches of the control switch unit in different on-off states;
a signal storage step, which is used for storing a waveform database, comprising signal waveform sets of the more than two switches in different on-off states;
a signal processing step, which is used for comparing the signal waveform set acquired by the signal acquisition unit in real time with the waveform database, judging the real-time states of the at least two switches and generating a judging result; and
and a control signal output step, which is used for outputting a control signal to at least one control output end according to the judging result.
The invention has the beneficial effects that the device control system and the device control method have the advantages that a user can input instructions by operating the switch of the control switch unit, the control switch unit can convert the switch input instructions into instruction signals, the signal detection unit can convert the instruction signals into detection signals, the detection signals are transmitted to the signal access end through the signal output end and enter the signal acquisition unit, the signal waveform sets of the at least two switches in different on-off states are formed to serve as a waveform database, the signal waveform sets obtained in real time are compared with the waveform database, the real-time states of the at least two switches are judged, a judging result is generated, and a control signal is output to the at least one control output end according to the judging result, so that the on-off states of the switch can be judged through the difference of the detection signals, and the control of electric equipment is realized. On one hand, the invention satisfies the habitual control mode of using the wall switch by the user, and solves the problem of connection between the wall switch and the intelligent product for matching use; on the other hand, the control mode of the processor is adopted, the defect that the packet loss failure of the remote controller occurs when the wireless remote control mode is adopted is avoided, the cost is relatively low, and the intelligent remote control system is convenient to install, stable in performance and suitable for being matched with the existing intelligent product.
Drawings
Technical solutions and other advantageous effects of the present application will be made apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of an overall structure of an apparatus control system according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a specific structure of an apparatus control system according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an explosion structure of the switch according to an embodiment of the present invention.
Fig. 4 is a signal waveform set when the switches k1, k2, k3 are the first state signal waveforms in the embodiment of the present invention.
Fig. 5 is a signal waveform set when the switches k1, k2, k3 are second state signal waveforms in the embodiment of the present invention.
Fig. 6 is a signal waveform set when the switches k1, k2, k3 are third state signal waveforms in the embodiment of the present invention.
Fig. 7 is a signal waveform set when the switches k1, k2, k3 are the fifth state signal waveforms in the embodiment of the present invention.
Fig. 8 is a schematic structural diagram of the device control system according to the embodiment of the present invention when the device control system is applied to an electric clothes hanger.
Fig. 9 is a schematic structural diagram of the device control system according to the embodiment of the invention when the device control system is applied to a fan lamp.
Fig. 10 is a schematic structural diagram of the device control system according to the embodiment of the present invention when applied to an indoor heater (bathroom heater).
Fig. 11 is a schematic structural diagram of the device control system according to the embodiment of the present invention when the device control system is applied to a cooling fan.
Fig. 12 is a schematic structural diagram of the device control system according to the embodiment of the invention when the device control system is applied to a lighting fixture.
Fig. 13 is a flowchart of a device control method according to an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
Specifically, the invention provides a device control system which is suitable for being matched with the existing intelligent products, wherein the intelligent products are electric equipment, such as electric clothes hanger products, fan lamps, indoor heaters (bathroom heaters), cooling heaters (blowing fans), lighting lamps, fresh air systems, central air conditioners and the like.
Referring to fig. 1 and 2, the present invention provides an apparatus control system 100, which includes a control switch unit 10, a signal detection unit 20, and a processor 30 (MCU); the control switch unit 10 is provided with: a switch output 101; a switch input 102 connected to the hot line L; and more than two switches, which are single pole double throw switches, connected in series between the switch input 102 and the switch output 101; the switch is a single-pole double-throw switch and comprises two fixed ends and a movable end; the more than two switches are a first switch k1, a second switch k2 and a third switch k3 respectively; the signal detection unit 20 is provided with: a first access terminal 201 connected to the switch output terminal 101; a second access terminal 202 connected to the neutral line N; a third access terminal 203 connected to ground E; and at least two signal outputs 204; the processor 30 is provided with: at least two signal access terminals 301, each signal access terminal 301 being connected to a signal output terminal 204; and at least two control outputs 302 for outputting control signals; the processor 30 outputs a control signal to at least one control output terminal 302 according to signals received by the at least two signal access terminals 301.
In this embodiment, the signal detecting unit 20 is further provided with a first power connection terminal 205 connected to the third access terminal 203; the processor 30 is further provided with a second power connection 303, and the second power connection 303 is connected to the first power connection 205.
Referring to fig. 1 and 2, in the present embodiment, the control switch unit 10 further includes: a first diode 103 having an anode connected to the first stationary terminal of the first switch k1 and a cathode connected to the movable terminal of the first switch k 1.
Referring to fig. 1 and 2, in the present embodiment, the control switch unit 10 further includes: a second diode 104, the anode of which is connected to the moving terminal of the second switch k2, and the cathode of which is connected to the first stationary terminal of the second switch k 2.
The sine wave of alternating current is conducted by the first diode 103, and the cosine wave is blocked; the second diode 104 is supplied with a cosine wave of alternating current, blocking the sine wave. When a user presses the first switch k1 for a short time, forming a current waveform signal with 2 continuous cosine waves missing in a short time; when a user presses a switch key of the first diode 103 in parallel for a long time, a current waveform signal with 2 continuous cosine waves missing in a long time is formed; when a user presses a switch key of the parallel second diode 104 for a short time, a current waveform signal with sine wave missing continuously for 2 times in a short time is formed; when the user presses the switch key of the parallel second diode 104 for a long time, a current waveform signal with sine wave missing continuously 2 times in a long time is formed.
Referring to fig. 3, in the present embodiment, the control switch unit 10 includes a switch back seat 11, at least two key assemblies 12, hardware 13, and a key housing 14; specifically, the bottom surface of the switch back seat 11 is used for being installed on a wall body, the bottom surface is provided with a power line via hole 111, and the inner side of the bottom surface is provided with at least two key assembly grooves 112; the at least two key assemblies 12 are respectively and correspondingly accommodated in the at least two key assembly grooves 112; the hardware 13 comprises an anode electric row 131 and a cathode electric row 132, the anode electric row 131 is provided with an anode connecting end 1311, the cathode electric row 132 is provided with a cathode connecting end 1321, and the anode connecting end 1311 and the cathode connecting end 1321 are correspondingly connected with a live wire L and a null wire N respectively; the positive electrode electric row 131 and the negative electrode electric row 132 are arranged at intervals and are correspondingly arranged at the notch of the at least two key assembly grooves 112, and are used for respectively pressing the at least two key assemblies 12 into the at least two key assembly grooves 112, and the positive electrode electric row 131 and the negative electrode electric row 132 are respectively connected with positive and negative wiring terminals of the key assemblies 12; the key housing 14 is mounted on the switch rear seat 11, and is provided with at least two switch pressing plates 142; the at least two switch pressing plates 142 are disposed corresponding to the at least two key assemblies 12, respectively, to form at least two switches.
Referring to fig. 3, in the present embodiment, each key assembly 12 includes a return spring 121, a movable contact 122 and a driving post 123; the reset spring 121 is installed at the bottom of the key assembly groove 112; the movable contact 122 is arranged at the notch part of the key assembly groove 112 and correspondingly pressed on the reset spring 121; the movable contact piece 122 is provided with a positive wiring end and a negative wiring end, and the positive wiring end and the negative wiring end are respectively connected with the positive electrode electric row 131 and the negative electrode electric row 132; the transmission column 123 is pressed on one side of the movable contact 122 facing away from the return spring 121, and is disposed corresponding to the switch pressing plate.
Referring to fig. 3, in the present embodiment, the switch key 142 is a rebound key. The return spring 121 effects the rebound of the switch key 142. The pressing stroke of the return spring 121 is set to 20ms or more.
In this embodiment, among the at least two switch keys, at least one switch key further includes a diode 15; the diode 15 is welded to the hardware 13 and connected in parallel with the key assembly 12.
Wherein, switch backseat 11 is installed in the wall, and reset spring 121 passes through the cylinder location on switch backseat 11, and movable contact 122 malleation is on reset spring 121, and drive post 123 malleation is on movable contact 122, and diode 15 welds on hardware 13, and hardware 13 subassembly is detained the location on switch backseat 11 through the restriction on switch backseat 11, then is fixed through the knot position on middle frame 17 and switch backseat 11, firmly presses above-mentioned accessory on switch backseat 11. The switch key 142 is fixed to the key holder 18 by a post and a buckle. And then is fixed on the middle frame 17 through the buckling position on the key support 18. The stroke setting of the return spring 121 can enable the circuit breaking time to be kept above 20ms-40ms when the user presses the switch key 142.
In the present embodiment, the number of switches in the control switch unit 10 is three, and the diode 15 is divided into a first diode 103 and a second diode 104 according to the welding positions of the positive and negative electrode connection terminals thereof; wherein a first diode 103 is connected in parallel with one switch and a second diode 104 is connected in parallel with the other switch; the positive electrode of the first diode 103 is connected to the first motionless terminal of the first switch k1, and the negative electrode thereof is connected to the motionless terminal of the first switch k 1; the anode of the second diode 104 is connected to the moving terminal of the second switch k2, and the cathode thereof is connected to the first stationary terminal of the second switch k 2. The switch key 142 in fig. 1 includes three driving columns 123, movable contact 122 and return springs 121 corresponding to the three driving columns.
In this embodiment, the device control system further includes a middle frame 16; the middle frame 16 is disposed between the switch back 11 and the key housing 14 for fixing the hardware 13.
In the present embodiment, the key housing 14 includes a key holder 141 and at least two switch pressing plates 142; the key support 141 is mounted on the switch back seat 11, and is provided with a through hole 1411 corresponding to the position of the key assembly 12, and a transmission column 123 in the key assembly 12 passes through the through hole 1411; at least two switch pressing plates 142 are provided corresponding to the through holes 1411 and the driving posts 123, respectively.
Referring to fig. 2, in the present embodiment, the signal detecting unit 20 further includes a first detecting circuit; the first detection circuit comprises a diode D1, a resistor R2 and a diode D7; the anode of the diode D1 is connected to the second access terminal 202; one end of the resistor R1 is connected to the cathode of the diode D1, and the other end of the resistor R1 is connected to one of the signal output ends 204; one end of the resistor R2 is connected to the signal output terminal 204, and the other end thereof is connected to the third access terminal 203; the anode of the diode D7 is connected to the third access terminal 203, and the cathode thereof is connected to the first access terminal 201.
Referring to fig. 2, in the present embodiment, the signal detecting unit 20 further includes a second detecting circuit; the second detection circuit comprises a diode D2, a resistor R3, a resistor R4 and a diode D6; the positive electrode of the diode D2 is connected to the first access terminal 201; one end of the resistor R3 is connected to the cathode of the diode D2, and the other end thereof is connected to one of the signal output terminals 204; one end of the resistor R4 is connected to the signal output end 204, and the other end of the resistor R is grounded; the anode of the diode D6 is connected to the third access terminal 203, and the cathode thereof is connected to the second access terminal 202.
Referring to fig. 2, in the present embodiment, the signal detecting unit 20 further includes a third detecting circuit; the third detection circuit comprises a diode D4, a resistor R5, a resistor R6 and a diode D6; the positive electrode of the diode D4 is connected to the first access terminal 201; one end of the resistor R5 is connected to the cathode of the diode D4, and the other end of the resistor R5 is connected to one of the signal output ends 204; one end of the resistor R6 is connected to the signal output terminal 204, and the other end thereof is connected to the third access terminal 203; the anode of the diode D6 is connected to the third access terminal 203, and the cathode thereof is connected to the second access terminal 202.
Referring to fig. 2, in the present embodiment, the third detection circuit further includes a diode D5 and a diode D7; the positive electrode of the diode D5 is connected to the third access terminal 203, and the negative electrode thereof is connected to the negative electrode of the diode D4 and serially connected with the resistor R5 and the resistor R6 in sequence; the anode of the diode D7 is connected to the third access terminal 203, and the cathode thereof is connected to the first access terminal 201.
Referring to fig. 2, the structure in which the first detection circuit, the second detection circuit, and the third detection circuit are commonly connected is shown in fig. 2, in which the diode D4, the diode D5, the diode D6, and the diode D7 form a rectifier bridge, and the cathode of the diode D4 and the cathode of the diode D5 may be connected with the anode of the diode D3.
Referring to fig. 1, in the present embodiment, the processor 30 further includes a signal acquisition unit 31, a signal storage unit 32, a signal processing unit 33, and a control signal output unit 34; specifically, the signal obtaining unit 31 is connected to the signal access terminal 301, and is configured to obtain signal waveform sets that control at least two switches of the switch unit 10 to be in different on-off states; the user inputs an instruction by operating the switch of the control switch unit 10, the control switch unit 10 converts the switch input instruction into an instruction signal, the signal detection unit 20 converts the instruction signal into a detection signal, the detection signal is transmitted to the signal access terminal 301 through the signal output terminal 204 and enters the signal acquisition unit 31, and a signal waveform set with at least two switches in different on-off states is formed; the signal storage unit 32 is connected to the signal acquisition unit 31 and is used for storing a waveform database, and the waveform database comprises signal waveform sets of more than two switches in different on-off states; the signal processing unit 33 is respectively connected to the signal acquisition unit 31 and the signal storage unit 32, and is configured to compare the signal waveform set acquired by the signal acquisition unit 31 in real time with the waveform database, determine real-time states of at least two switches, and generate a determination result; one end of the control signal output unit 34 is connected to the signal processing unit 33, and the other end thereof is connected to the control output terminal 302, for outputting a control signal to at least one control output terminal 302 according to the determination result.
Referring to fig. 2, in the present embodiment, the waveform database includes a first status signal waveform, a second status signal waveform, and a third status signal waveform; the first status signal waveform is a signal waveform set received by the signal acquisition unit 31 when the moving end of the first switch k1 is connected to the first stationary end and the moving end of the second switch k2 is connected to the first stationary end; the second state signal waveform is a signal waveform set received by the signal acquisition unit 31 when the moving end of the first switch k1 is connected to the second stationary end and the moving end of the second switch k2 is connected to the first stationary end; the third state signal waveform is a signal waveform set received by the signal acquisition unit 31 when the moving terminal of the first switch k1 is connected to the first stationary terminal and the moving terminal of the second switch k2 is connected to the second stationary terminal.
In this embodiment, the waveform database further includes a fourth status signal waveform; the fourth state signal waveform is a signal waveform set received by the signal acquisition unit 31 when the moving terminal of the first switch k1 is connected to the second stationary terminal and the moving terminal of the second switch k2 is connected to the second stationary terminal.
Referring to fig. 2, taking the first status signal waveform as an example, the moving end of the first switch k1 is connected to the first dead end, and the moving end of the second switch k2 is connected to the first dead end, and the switches k1, k2, k3 are all not broken, and fig. 4 is a signal waveform set when the switches k1, k2, k3 are the first status signal waveforms. Alternating current sine waves pass through ends D1, R2, D7, k3, k2 and k1 to L from the end N to form a loop; the alternating current sine wave is cut off from the L end to the D7 and the D1, and a loop cannot be formed; r1 and R2 divide the output signal S1. Alternating current sine waves pass through k1, k2, k3, D2, R3, R4 and D6 to N ends from the L end to form a loop; the alternating current sine wave is cut off from the N end to the D6 and the D2, and a loop cannot be formed; r3 and R4 divide the output signal S2. Alternating current sine waves pass through k1, k2, k3, D4, R5, R6 and D6 to N ends from the L end to form a loop; alternating current sine waves pass through D5, R6, D7, k3, k2, k1 and L ends from the N ends to form a loop; r5 and R6 divide the output signal S3.
In the second state signal waveform, the moving end of the first switch k1 is connected to the second stationary end, and the moving end of the second switch k2 is connected to the first stationary end, when the first switch k1 is turned off by more than 20mS, the signals of the detection signals S1 and S3 will be distorted, the S2 signal will not be distorted, and as shown in fig. 5, fig. 5 is a signal waveform set when the switches k1, k2 and k3 are the second state signal waveforms. The processor 3 judges the state of the first switch k1 by judging the above-mentioned signals, and the processor 3 performs the corresponding defined operation.
In the third state signal waveform, the moving end of the first switch k1 is connected to the first fixed end, and the moving end of the second switch k2 is connected to the second fixed end, when k2 is disconnected by more than 20mS, the signals of the detection signals S2 and S3 are distorted, the signal S1 is not distorted, and as shown in fig. 6, fig. 6 is a signal waveform set when the switches k1, k2 and k3 are the third state signal waveform. The processor 3 judges that the second switch k2 is turned off by judging the above signal, and the processor 3 performs a corresponding operation defined by the turning-off of the second switch k 2.
In this embodiment, the determination result includes a first state result, a second state result, and a third state result; when the first state result is that the signal waveform set acquired by the signal acquisition unit 31 in real time is consistent with the first state signal waveform, it is determined that the moving end of the first switch k1 is connected to the first fixed end, and the moving end of the second switch k2 is connected to the first fixed end; when the second state result is that the signal waveform set acquired by the signal acquisition unit 31 in real time is consistent with the second state signal waveform, it is determined that the moving end of the first switch k1 is connected to the second fixed end, and the moving end of the second switch k2 is connected to the first fixed end; when the signal waveform set acquired by the signal acquisition unit 31 in real time is consistent with the signal waveform set in the third state, the third state result is that the moving end of the first switch k1 is determined to be connected to the first fixed end, and the moving end of the second switch k2 is determined to be connected to the second fixed end.
In this embodiment, the determination result includes a fourth state result; when the signal waveform set acquired by the signal acquisition unit 31 in real time is consistent with the signal waveform set in the fourth state, the fourth state result is that the moving end of the first switch k1 is determined to be connected to the second fixed end, and the moving end of the second switch k2 is determined to be connected to the second fixed end.
If the third switch k3 is set, when the moving end of the first switch k1 is connected to the first fixed end and the moving end of the second switch k2 is connected to the first fixed end and the moving end of the third switch k3 is connected to the second fixed end, the judging result comprises a fifth state result; in the case where the third switch k3 is turned off by more than 20ms, the signals of S1, S2, S3 are distorted, as shown in fig. 7, fig. 7 is a signal waveform set when the switches k1, k2, k3 are the fifth state signal waveforms. The processor 3 judges that the third switch k3 is turned off by judging the above signal, and the processor 3 performs the corresponding operation defined by the turning-off of the third switch k 3.
The above switches k1, k2, k3 are all exemplified to be turned off by more than 20mS, and are not limited to 20mS, but may be other values.
In this embodiment, the control signals include a first state control signal, a second state control signal, and a third state control signal; the first state control signal is used for sending out a first operation signal when the first state result is obtained; the second state control signal is used for sending out a second operation signal when the second state is obtained; the third state control signal is used for sending out a third operation signal when the second state is obtained.
In this embodiment, the first operation signal is a standby signal.
In this embodiment, the control signal includes a fourth state control signal; the fourth state control signal is used for sending out a fourth operation signal when the fourth state is obtained.
In this embodiment, the first operation signal, the second operation signal, the third operation signal, and the fourth operation signal may all include any one of the following signals: a rise control signal, a fall control signal, an illumination control signal, a forward control signal, a reverse control signal, a speed increasing control signal, a speed decreasing control signal, a heating control signal, a ventilation control signal, a blowing control signal, a negative ion control signal, a blue light control signal, a red light control signal, a green light control signal, a yellow light control signal, a white light control signal, a mixed light control signal, a brightness increasing control signal, and a brightness decreasing control signal.
In this embodiment, the device control system further includes at least one electric device 4 connected to the processor 30.
In this embodiment, the electric device 4 includes any one or several of the following: the device comprises a motor controller, a lifting upper limit switch, a lifting lower limit switch, a lighting module, an overload resistance sensor, a thermistor heating module, a ventilation device, a blowing device, a wind swinging device, an anion device, a blue light lamp, a red light lamp, a green light lamp, a yellow light lamp and a white light lamp.
FIG. 8 is a schematic view of the apparatus control system as applied to an electric laundry rack; FIG. 9 is a schematic diagram of the device control system when applied to a fan lamp; fig. 10 is a schematic view of the structure of the device control system when applied to an indoor heater (bathroom heater); fig. 11 is a schematic structural view of the device control system when applied to a summer air heater (blower fan); fig. 12 is a schematic structural diagram of the device control system when applied to a lighting fixture.
Referring to fig. 13, based on the above-mentioned device control system, the present invention further provides a device control method, which includes the following steps S1-S4.
S1, a signal acquisition step, which is used for acquiring signal waveform sets of the at least two switches of the control switch unit 10 in different on-off states; the user inputs an instruction by operating the switch of the control switch unit 10, the control switch unit 10 converts the switch input instruction into an instruction signal, the signal detection unit 20 converts the instruction signal into a detection signal, and the detection signal is transmitted to the signal access terminal 301 through the signal output terminal 204 and enters the signal acquisition unit 31 to form a signal waveform set of the at least two switches in different on-off states.
S2, a signal storage step, which is used for storing a waveform database, wherein the waveform database comprises signal waveform sets of the more than two switches in different on-off states.
And S3, a signal processing step, which is used for comparing the signal waveform set acquired by the signal acquisition unit 31 in real time with the waveform database, judging the real-time states of the at least two switches and generating a judging result.
And S4, a control signal output step, which is used for outputting a control signal to at least one control output end 302 according to the judging result.
The invention has the beneficial effects that the device control system and the device control method have the advantages that a user can input instructions by operating the switch of the control switch unit, the control switch unit can convert the switch input instructions into instruction signals, the signal detection unit can convert the instruction signals into detection signals, the detection signals are transmitted to the signal access end through the signal output end and enter the signal acquisition unit, the signal waveform sets of the at least two switches in different on-off states are formed to serve as a waveform database, the signal waveform sets obtained in real time are compared with the waveform database, the real-time states of the at least two switches are judged, a judging result is generated, and a control signal is output to the at least one control output end according to the judging result, so that the on-off states of the switch can be judged through the difference of the detection signals, and the control of electric equipment is realized. On one hand, the invention satisfies the habitual control mode of using the wall switch by the user, and solves the problem of connection between the wall switch and the intelligent product for matching use; on the other hand, the control mode of the processor is adopted, the defect that the packet loss failure of the remote controller occurs when the wireless remote control mode is adopted is avoided, the cost is relatively low, and the intelligent remote control system is convenient to install, stable in performance and suitable for being matched with the existing intelligent product.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The foregoing has described in detail a device control system provided by the present invention, and specific examples have been applied herein to illustrate the principles and embodiments of the present application, where the foregoing examples are only for aiding in understanding of the technical solutions and core ideas of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (14)
1. A device control system is characterized by comprising a control switch unit, a signal detection unit and a processor, wherein,
the control switch unit is provided with:
a switch output;
the switch input end is connected to the live wire;
more than two switches, which are single-pole double-throw switches, are connected in series between the switch input end and the switch output end;
The positive electrode of the first diode is connected to the first motionless end of the first switch, the negative electrode of the first diode is connected to the motionless end of the first switch, and the sine wave of alternating current is conducted by the first diode to block cosine wave; and
the positive electrode of the second diode is connected to the moving end of the second switch, the negative electrode of the second diode is connected to the first fixed end of the second switch, and the second diode is electrified with cosine waves of alternating current to block sine waves;
the signal detection unit is provided with:
the first access end is connected to the switch output end;
the second access end is connected to the zero line;
the third access end is connected to the ground wire; and
at least two signal outputs;
the signal detection unit further comprises a first detection circuit; the first detection circuit includes:
a diode D1, the anode of which is connected to the second access terminal;
a resistor R1, one end of which is connected to the cathode of the diode D1, and the other end of which is connected to one of the signal output ends;
a resistor R2 having one end connected to the signal output terminal and the other end connected to the third access terminal; and
a diode D7 having a positive electrode connected to the third access terminal and a negative electrode connected to the first access terminal;
the processor is provided with:
At least two signal access terminals, each signal access terminal being connected to a signal output terminal; and
at least two control output terminals for outputting control signals;
the processor outputs a control signal to at least one control output end according to signals received by the at least two signal access ends;
the processor further includes:
the signal acquisition unit is connected to the signal access end and is used for acquiring signal waveform sets of the two or more switches of the control switch unit in different on-off states;
the signal storage unit is connected to the signal acquisition unit and is used for storing a waveform database, and the waveform database comprises signal waveform sets of the two or more switches in different on-off states;
the signal processing unit is respectively connected to the signal acquisition unit and the signal storage unit and is used for comparing the signal waveform set acquired by the signal acquisition unit in real time with the waveform database, judging the real-time states of the two or more switches and generating a judging result; and
and one end of the control signal output unit is connected to the signal processing unit, and the other end of the control signal output unit is connected to the control output end and is used for outputting a control signal to at least one control output end according to the judging result.
2. The device control system of claim 1, wherein the signal detection unit further comprises a second detection circuit; the second detection circuit includes:
a diode D2, the anode of which is connected to the first access terminal;
a resistor R3, one end of which is connected to the cathode of the diode D2, and the other end of which is connected to one of the signal output ends;
a resistor R4, one end of which is connected to the signal output end, and the other end of which is grounded; and
and the anode of the diode D6 is connected to the third access terminal, and the cathode of the diode D6 is connected to the second access terminal.
3. The device control system of claim 1, wherein the signal detection unit further comprises a third detection circuit; the third detection circuit includes:
a diode D4, the anode of which is connected to the first access terminal;
a resistor R5, one end of which is connected to the cathode of the diode D4, and the other end of which is connected to one of the signal output ends;
a resistor R6 having one end connected to the signal output terminal and the other end connected to the third access terminal; and
and the anode of the diode D6 is connected to the third access terminal, and the cathode of the diode D6 is connected to the second access terminal.
4. The device control system of claim 3, wherein the third detection circuit further comprises:
the anode of the diode D5 is connected to the third access terminal, and the cathode of the diode D5 is connected to the cathode of the diode D4 and is connected with the resistor R5 and the resistor R6 in series in sequence; and
and the anode of the diode D7 is connected to the third access terminal, and the cathode of the diode D7 is connected to the first access terminal.
5. The device control system of claim 1, wherein the waveform database comprises:
the first state signal waveform is a signal waveform set received by the signal acquisition unit when the moving end of the first switch is connected to the first fixed end and the moving end of the second switch is connected to the first fixed end;
the second state signal waveform is a signal waveform set received by the signal acquisition unit when the moving end of the first switch is connected to the second fixed end and the moving end of the second switch is connected to the first fixed end; and
and the third state signal waveform is a signal waveform set received by the signal acquisition unit when the moving end of the first switch is connected to the first fixed end and the moving end of the second switch is connected to the second fixed end.
6. The device control system of claim 5, wherein the waveform database further comprises:
and the fourth state signal waveform is a signal waveform set received by the signal acquisition unit when the moving end of the first switch is connected to the second fixed end and the moving end of the second switch is connected to the second fixed end.
7. The device control system according to claim 5, wherein the determination result includes:
a first state result, which is obtained by the signal obtaining unit in real time, when the signal waveform set is consistent with the first state signal waveform, determining that the moving end of the first switch is connected to the first fixed end, and the moving end of the second switch is connected to the first fixed end;
a second state result, which is obtained by the signal acquisition unit in real time, when the signal waveform set is consistent with the second state signal waveform, determining that the moving end of the first switch is connected to the second fixed end, and the moving end of the second switch is connected to the first fixed end; and
and a third state result, which is obtained by the signal acquisition unit when the signal waveform set acquired in real time is consistent with the third state signal waveform, and is used for judging that the moving end of the first switch is connected to the first fixed end and the moving end of the second switch is connected to the second fixed end.
8. The device control system according to claim 6, wherein the determination result includes:
and a fourth state result, which is obtained by the signal acquisition unit when the signal waveform set acquired in real time is consistent with the fourth state signal waveform, and is used for judging that the moving end of the first switch is connected to the second fixed end and the moving end of the second switch is connected to the second fixed end.
9. The device control system of claim 7, wherein the control signal comprises:
a first state control signal that issues a first operation signal upon a result of the first state;
a second state control signal which is a second operation signal sent out when the second state results; and
and a third state control signal for sending out a third operation signal when the second state is a result.
10. The appliance control system of claim 9 wherein the first operating signal is a standby signal.
11. The device control system of claim 8, wherein the control signal comprises:
and a fourth state control signal for issuing a fourth operation signal when the fourth state is a result.
12. The device control system of claim 1, further comprising at least one powered device coupled to the processor.
13. The device control system of claim 12, wherein the powered device comprises any one of:
the device comprises a motor controller, a lifting upper limit switch, a lifting lower limit switch, a lighting module, an overload resistance sensor, a thermistor heating module, a ventilation device, a blowing device, a wind swinging device, an anion device, a blue light lamp, a red light lamp, a green light lamp, a yellow light lamp and a white light lamp.
14. A device control method applied to the device control system according to any one of claims 1 to 13, comprising the steps of:
acquiring signal waveform sets of the more than two switches of the control switch unit in different on-off states;
storing a waveform database comprising signal waveform sets of the more than two switches in different on-off states;
comparing the signal waveform set obtained by the signal obtaining unit in real time with the waveform database, judging the real-time states of the more than two switches and generating a judging result; and
and outputting a control signal to at least one control output end according to the judging result.
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