CN118097926B - Single-channel multipath control device and application method thereof - Google Patents
Single-channel multipath control device and application method thereof Download PDFInfo
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- CN118097926B CN118097926B CN202410066517.4A CN202410066517A CN118097926B CN 118097926 B CN118097926 B CN 118097926B CN 202410066517 A CN202410066517 A CN 202410066517A CN 118097926 B CN118097926 B CN 118097926B
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/16—Electric signal transmission systems in which transmission is by pulses
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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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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
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Abstract
The invention discloses a single-channel multipath control device and an application method thereof, the device comprises a coding drive circuit unit, a signal transmission channel and a sensing control unit, the coding drive circuit unit comprises n coding drive circuit units which are connected in parallel, the n coding drive circuit units are used for generating n coding pulse signals and transmitting the n coding pulse signals to the sensing control unit through sharing the same signal transmission channel, the sensing control units comprise m sensing control units which are connected in parallel, the sensing control units are used for outputting switch control signals to switch the working state of the target equipment when the coding pulse signals sent by the matched coding driving circuit units are detected, and one or more sensing control units are matched with one or more coding driving circuit units. The invention has the advantages of material saving, convenient and quick construction and installation, low cost, strong anti-interference capability and high safety.
Description
Technical Field
The invention relates to switch control equipment in the control field, in particular to a single-channel multipath control device and an application method thereof.
Background
In many places in production and life, a master control room is required to effectively control a plurality of appliance devices or machine devices such as lamps, projectors, punching machines, computers and even large-scale equipment of machine tools in real time at a certain distance. The existing control mode firstly sets a signal channel for each control target, secondly sets one or more signal channels for the master control room to communicate with the sub-control device, and then the sub-control device sets a corresponding signal channel for each target, and finally realizes control in a mode of connecting all targets through the multiple signal channels. The two modes all need a plurality of wires to form a plurality of signal channels to realize the control of a plurality of targets, and the connection needs to be strictly in one-to-one correspondence, so that materials are wasted, a great deal of manpower and time are consumed during construction and installation, and the operation is very troublesome during maintenance and barrier removal. And in general control, no safety protection measures are provided, and illegal control can be performed by external illegal access, so that potential safety hazards exist. Therefore, a control device which is material-saving, convenient and quick to construct and install and high in safety is needed.
Disclosure of Invention
The invention aims to solve the technical problems: aiming at the problems in the prior art, the single-channel multipath control device and the application method thereof are provided, which are material-saving, convenient and quick to construct and install, low in cost, strong in anti-interference capability and high in safety.
In order to solve the technical problems, the invention adopts the following technical scheme:
The single-channel multipath control device comprises an encoding driving circuit unit, a signal transmission channel and a sensing control unit, wherein the encoding driving circuit unit comprises n encoding driving circuit units formed by connecting a first encoding driving circuit unit with an n-th encoding driving circuit unit in parallel, the n encoding driving circuit units are used for generating n encoding pulse signals and transmitting the n encoding pulse signals to the sensing control unit through sharing the same signal transmission channel, the sensing control unit comprises m sensing control units formed by connecting the first sensing control unit with an m-th sensing control unit in parallel, and the sensing control unit is used for outputting a switch control signal to switch the working state of target equipment when detecting the encoding pulse signals sent by the matched encoding driving circuit units, and one or more sensing control units are matched with one encoding driving circuit unit.
Optionally, the coding driving circuit unit includes a coding driving circuit and a current signal control switch that are connected to each other, and the coding driving circuit is electrically connected to the signal transmission channel through the current signal control switch.
Optionally, the sensing control unit includes interconnect's infrared signal sensing module and decodes control module, infrared signal sensing module is connected with signal transmission channel electricity, it is used for with target equipment electricity to be connected in order to output the switch control signal in order to switch the operating condition of target equipment when detecting the coding pulse signal that the coding drive circuit unit that matches sent.
Optionally, the infrared signal sensing module comprises an infrared LED and an infrared sensor, wherein the front faces of the infrared LED and the infrared sensor are opposite, the infrared LED is electrically connected with the signal transmission channel, and the infrared sensor is electrically connected with the decoding control module.
Optionally, the decoding control module comprises a decoding amplifying circuit and a control circuit which are connected with each other, the decoding amplifying circuit is connected with the output end of the infrared signal sensing module, and the control circuit is electrically connected with the target equipment to output a switch control signal to switch the working state of the target equipment when detecting the coding pulse signal sent by the matched coding driving circuit unit.
Optionally, be provided with the deconcentrator that is used for drawing forth the signal transmission branching on the main road electric wire of signal transmission passageway, the deconcentrator includes insulating plastics lid, lower insulating plastics lid, and the centre gripping is fixed at last insulating plastics lid, two copper blocks between the insulating plastics lid down, be equipped with side open main line hole and separated time hole on the copper block, main road electric wire inserts and establishes in side open main line hole and through getting rid of the exposed conductor after the insulating layer and copper block contact conduction, the signal transmission branching is used for connecting code drive circuit unit or sensing control unit, the branching electric wire one end of signal transmission branching is inserted and is established in the separated time hole, and main road electric wire, branching electric wire are all fixed through first screw and copper block joint, go up insulating plastics lid, down through second screw interconnect between insulating plastics lid, upward insulating plastics lid down is equipped with deconcentrator fixed orifices for installing fixed deconcentrator.
Optionally, the control circuit includes first triode Q1, second triode Q2 and control joint K1, first triode Q1's base links to each other with decoding amplifier circuit's output, first triode Q1, second triode Q2 both concatenate and form amplifier circuit, control joint K1 arranges at amplifier circuit's output and is used for being connected with the target equipment electricity.
In addition, the invention also provides an application method of the single-channel multi-path control device, which comprises the step of realizing control of m target devices through n pairs of one-to-one matched coding driving circuit units and sensing control units in the single-channel multi-path control device under the condition that n is equal to m.
Optionally, when the control over m target devices is implemented by n pairs of code driving circuit units and sensing control units, which are matched one by one, in the single-channel multipath control device, a processing procedure of the single-channel multipath control device on any one code pulse signal includes:
s101, closing a current signal control switch in an ith coding driving circuit unit corresponding to the coding pulse signal, so that the coding driving circuit in the coding driving circuit unit outputs the coding pulse signal;
s102, transmitting the coded pulse signals to the sensing control units through signal transmission channels, wherein the coded pulse signals synchronously drive infrared LEDs of infrared signal sensing modules in all m sensing control units to emit coded infrared signals;
S103, after receiving coded infrared signals sent by corresponding infrared LEDs, infrared sensors in all m sensing control units respond to generate coded current signals;
s104, the coded current signals are respectively transmitted to the decoding and amplifying circuits of the decoding control modules in all m sensing control units, the decoding and amplifying circuits in all m sensing control units decode the coded current signals at the same time, only the decoding and amplifying circuits in the ith sensing control unit which are uniquely matched with the ith coding driving circuit unit correctly decode and amplify the signals, and then the control circuit in the ith sensing control unit realizes the control of the ith target equipment through the control connector K1 under the driving of amplified signals.
In addition, the invention also provides an application method of the single-channel multipath control device, which comprises the step of realizing the control of m target devices through an n-to-one-to-many matching coding driving circuit unit and a sensing control unit in the single-channel multipath control device under the condition that n is smaller than m.
Optionally, when the control over m target devices is implemented by the n-to-one-to-many matching coding driving circuit unit and the sensing control unit in the single-channel multipath control device, a processing procedure of the single-channel multipath control device on any one coding pulse signal includes:
S201, closing a current signal control switch in an ith coding driving circuit unit corresponding to the coding pulse signal, so that the coding driving circuit in the coding driving circuit unit outputs the coding pulse signal;
s202, the coded pulse signals are transmitted to the sensing control units through signal transmission channels, and the coded pulse signals synchronously drive infrared LEDs of infrared signal sensing modules in all m sensing control units to emit coded infrared signals;
S203, after receiving coded infrared signals sent by corresponding infrared LEDs, infrared sensors in all m sensing control units respond to generate coded current signals;
S204, the coded current signals are respectively transmitted to the decoding amplifying circuits of the decoding control modules in all m sensing control units, the decoding amplifying circuits in all m sensing control units decode the coded current signals at the same time, only the decoding amplifying circuits in the j sensing control units matched with the i coding driving circuit unit correctly decode and amplify the signals, and then the control circuits in the j sensing control units realize the control of target equipment connected with the j sensing control units through the control joint K1 under the driving of amplified signals.
Compared with the prior art, the invention has the following advantages:
1. The invention comprises a coding drive circuit unit, a signal transmission channel and a sensing control unit, wherein the number of the signal transmission channels is one, the device is simple, and the material is saved.
2. The signal transmission channels are only one, and the plurality of control targets are connected in parallel when being connected in a circuit, so that the signal transmission channels are not required to be independently arranged from the main control room or the output ports are not required to be independently arranged in the sub controllers, the strict one-to-one correspondence is not required, a large amount of manpower, material resources and financial resources are saved, the construction and the installation are convenient and quick, and the cost is low.
3. The invention comprises a coding driving circuit and a decoding amplifying circuit, adopts coding technology to code current signals, improves confidentiality, and has strong anti-interference capability and high safety.
Drawings
Fig. 1 is a schematic overall structure of a device according to a first embodiment of the present invention.
Fig. 2 is a schematic diagram of signal channel splitters according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a left side view and a front view (without upper insulating plastic cover) of a wire divider according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a plurality of control modes in a first embodiment of the present invention.
Fig. 5 is a schematic diagram of a second control mode according to the first embodiment of the invention.
Fig. 6 is a schematic diagram of a third control mode according to the first embodiment of the present invention.
Fig. 7 is a schematic diagram of a fourth embodiment of various control modes.
Fig. 8 is a schematic circuit diagram of an implementation of a control circuit of a device according to a first embodiment of the present invention.
Fig. 9 is a schematic diagram of the overall structure of the device in the third embodiment of the present invention.
Legend description: 1. a code driving circuit unit; 11. a first code driving circuit unit; 111. a first code driving circuit; 112. a first current signal controlling the switch; 12. a second code driving circuit unit; 1n, n-th code driving circuit unit; 1n1, n-th code driving circuit; 1n2, the nth current signal controls the switch; 2. a signal transmission channel; 3. a sensing control unit; 31. a first sensing control unit; 311. a first infrared signal sensing module; 3111. a first infrared LED; 3112. a first infrared sensor; 312. a first decode control module; 3121. a first decoding and amplifying circuit; 3122. a first control circuit; 32. a second sensing control unit; 3n, an nth sensing control unit; 3n1, nth infrared signal sensing module; 3n11, n-th infrared LED;3n12, n-th infrared sensor; 312. an nth decode control module; 3121. a 1 st decoding and amplifying circuit; 3122. a first control circuit; 3n21, n-th decoding amplifying circuit; 3n22, an nth control circuit; 313. a first diode; 3n3, n-th diode; 4-1/4-2, deconcentrators; 41a/41b: tape wiring Kong Tongkuai; 411. a main line hole is laterally opened; 412. branching holes; 413a/413b, a first screw hole; 42a, upper insulating plastic cover; 42b, a lower insulating plastic cover; 43. a second screw hole; 44. a deconcentrator fixing hole; 5. a one-to-one control mode area; 6. a one-to-many control mode region; 7. a many-to-one control mode region; 8 many-to-many control mode region.
Detailed Description
Embodiment one:
As shown in fig. 1, the single-channel multi-path control device in this embodiment includes a coding driving circuit unit 1, a signal transmission channel 2 and a sensing control unit 3, where the coding driving circuit unit 1 includes n coding driving circuit units formed by connecting a first coding driving circuit unit to an n coding driving circuit unit in parallel, the n coding driving circuit units are used to generate n coding pulse signals and transmit the n coding pulse signals to the sensing control unit 3 through sharing the same signal transmission channel 2, and the sensing control unit 3 includes m sensing control units formed by connecting a first sensing control unit to an m sensing control unit in parallel, where the value is n=m, so that the sensing control unit 3 includes n sensing control units formed by connecting a first sensing control unit to an n sensing control unit in parallel, as shown in fig. 1, the sensing control units are used to output switch control signals to switch the working state of the target device when detecting the coding pulse signals sent by the matched coding driving circuit units, and one or more sensing control units are matched with one coding driving circuit unit. The single-channel multi-channel control device of the embodiment adopts the mode that the coded pulse signals generated by the multi-channel coding driving circuit share one signal transmission channel 2 for transmission and are sensed and received by the sensing control unit 3 for decoding to realize single-channel multi-channel control, and has the advantages of simple device, material saving, convenient and quick construction and installation, low cost, strong anti-interference capability and high safety.
In order to realize the controllable working state of the coding driving circuit unit, the coding driving circuit unit in the embodiment comprises a coding driving circuit and a current signal control switch which are connected with each other, and the coding driving circuit is electrically connected with the signal transmission channel 2 through the current signal control switch. As shown in fig. 1, the first encoding driving circuit unit 11 in this embodiment includes a first encoding driving circuit 111 and a first current signal control switch 112, and the first encoding driving circuit 111 is connected to the first current signal control switch 112. The n-th code driving circuit unit 1n includes an n-th code driving circuit 1n1 and an n-th current signal control switch 1n2, and the n-th code driving circuit 1n1 is connected to the n-th current signal control switch 1n 2. The first current signal control switch 112 controls the generation output of the code pulse signal of the first code driving circuit 111, and the n-th current signal control switch 1n2 controls the generation output of the code pulse signal of the n-th code driving circuit 1n 1. The formed coded pulse signals are transmitted to the sensing control unit 3 through the same signal transmission channel 2.
As an optional implementation manner, the sensing control unit in this embodiment includes an infrared signal sensing module and a decoding control module that are connected to each other, where the infrared signal sensing module is electrically connected to the signal transmission channel 2, and the decoding control module is configured to be electrically connected to the target device, so as to output a switch control signal to switch the working state of the target device when detecting the coded pulse signal sent by the matched coded driving circuit unit, and implement system signal isolation by using an infrared signal to perform photoelectric isolation through the infrared signal sensing module, and encode a current signal and an infrared signal by using a coding technology, thereby improving confidentiality, and the device has strong anti-interference capability and high security. As shown in fig. 1, the first sensing control unit 31 in this embodiment includes a first infrared signal sensing module 311 and a first decoding control module 312 that are connected to each other. The nth sensing control unit 3n includes an nth infrared signal sensing module 3n1 and an nth decoding control module 3n2 connected to each other. The first infrared sensor 3112 in the first infrared signal sensing module 311 transmits to the first decode and amplification circuit 3121 in the first decode control module 312 in response to the generated current signal, and the n-th infrared sensor 3n12 in the n-th infrared signal sensing module 3n1 transmits to the n-th decode and amplification circuit 3n21 in the n-th decode control module 3n2 in response to the generated current signal.
In this embodiment, the infrared signal sensing module includes the relative infrared LED in front and infrared sensor, infrared LED is connected with signal transmission channel 2 electricity, infrared sensor is connected with the control module electricity that decodes. As shown in fig. 1, the first infrared signal sensing module 311 in this embodiment includes a first infrared LED3111 and a first infrared sensor 3112, where the first infrared LED3111 is opposite to and closely attached to the front surface of the first infrared sensor 3112. The nth infrared signal sensing module 3n1 comprises an nth infrared LED3n11 and an nth infrared sensor 3n12, and the nth infrared LED3n11 is opposite to and clung to the front surface of the nth infrared sensor 3n12. The first infrared LED3111 to the nth infrared LED3n11 connected in parallel emit coded infrared signals to the first infrared sensor 3112 to the nth infrared sensor 3n12 facing and closely attached to the front surface under the driving of the coded pulse signal generated by any one of the coded driving circuits 111-1n 1. The first to nth infrared sensors 3112 to 3n12 generate current signals with codes in response to receiving the coded infrared signals emitted from the first to nth infrared LEDs 3111 to 3n 11.
The decoding control module in the embodiment comprises a decoding amplifying circuit and a control circuit which are connected with each other, the decoding amplifying circuit is connected with the output end of the infrared signal sensing module, and the control circuit is used for being electrically connected with target equipment to output a switch control signal to switch the working state of the target equipment when detecting the coding pulse signal sent by the matched coding driving circuit unit. As shown in fig. 1, the first decoding control module 312 in this embodiment includes a first decoding and amplifying circuit 3121 and a first control circuit 3122 connected to each other. The nth decoding control module 3n2 includes an nth decoding amplifying circuit 3n21 and an nth control circuit 3n22 connected to each other. The first decoding and amplifying circuit 3121 coincides with the encoded data of the encoding driving circuit 111 in the first encoding driving circuit unit 11, and the nth decoding and amplifying circuit 3n21 coincides with the encoded data of the encoding driving circuit 1n1 in the nth encoding driving circuit unit 1 n. The first to nth decoding and amplifying circuits 3121 to 3n21 receive the first to nth infrared sensors 3112 to 3n12 and perform decoding in response to the generated encoded pulse signals, and can perform correct decoding only when the encoded pulse signals are identical to the encoded pulse signals generated by the corresponding encoded driving circuit 111-1n1 after the current signal control switch 112-1n2 is initially closed, and finally drive the connected control circuit to operate.
As shown in fig. 2, the main line of the signal transmission channel 2 is provided with splitters (4-1 and 4-2) for leading out signal transmission branches, in this embodiment, the signal transmission channel 2 is provided with splitters (4-1 and 4-2), and the splitters can make the signal transmission channel 2 conveniently and rapidly form multiple parallel signal transmission branches for connecting the coding driving circuit unit or the sensing control unit without cutting off the main line of the signal transmission channel 2, so that the splitters can be preset and can be conveniently and immediately accessed, and the trouble of repeated construction is avoided.
As shown in fig. 3, the wire divider in the present embodiment includes an upper insulating plastic cover 42a, a lower insulating plastic cover 42b, and two copper blocks (41 a and 41 b) clamped and fixed between the upper insulating plastic cover and the lower insulating plastic cover, a side-open main wire hole 411 and a dividing hole 412 are provided on the copper blocks (41 a and 41 b), a main wire is inserted in the side-open main wire hole 411 and is in contact conduction with the copper blocks through a bare conductor after removing an insulating layer, a signal transmission shunt is used for connecting an encoding driving circuit unit or a sensing control unit, one end of a shunt wire of the signal transmission shunt is inserted in the dividing hole 412, and the main wire and the shunt wire are both clamped and fixed with the copper blocks (41 a and 41 b) through first screw holes (413 a and 413 b), the upper insulating plastic cover 42a and the lower insulating plastic cover 42b are connected with each other through second screw holes 43, and the upper insulating plastic cover 42a and the lower insulating plastic cover 42b are provided with a wire divider fixing hole 44 for installing and fixing the wire divider (4-1 and 4-2). The main circuit wire of the signal transmission channel 2 can be conveniently and rapidly placed in the copper blocks (41 a and 41 b) and fixed without cutting off and stripping the outer insulating skin, and the branching hole 412 is used for connecting wires of parallel signal transmission branches, and can be electrically connected in a screw hole fixing mode through the first screw hole 413, and can also be directly inserted into the branching hole in a banana plug and other plug-in type electric connectors to realize electric connection, so that the connection mode is convenient and rapid, and the method is particularly suitable for temporary and short-term connection conditions.
As shown in fig. 4, the control modes of the sensing control unit 3 by the encoding driving circuit unit 1 in the present embodiment include a one-to-one control mode area 5, a one-to-many control mode area 6, a many-to-one control mode area 7, and a many-to-many control mode area 8, where the one-to-one control mode area 5 and the one-to-many control mode area 6 can implement control of one or more sensing control units 3 by one encoding driving circuit unit 1, and the many-to-one control mode area 7 and the many-to-many control mode area 8 can implement control of one sensing control unit 3 by a plurality of encoding driving circuit units 1, and can be used for control of a plurality of control points and movement or temporary control points. As shown in fig. 5, the control circuit 3n22 in the corresponding sensing control unit 3 is required to be turned on simultaneously in a many-to-one control mode for the situation that the multiple control points agree to change the target operation state. As shown in fig. 6 and 7, which are a composite control mode, composite control of the plurality of sensing control units 3 by the one or more encoding driving circuit units 1 can be achieved.
As shown in fig. 8, in this embodiment, the control circuit includes a first triode Q1, a second triode Q2, and a control connector K1, where the base of the first triode Q1 is connected to the output end of the decoding amplifying circuit, and the first triode Q1 and the second triode Q2 are cascaded to form the amplifying circuit, and the control connector K1 is disposed at the output end of the amplifying circuit and is used for being electrically connected with the target device. In this embodiment, the base of the first triode Q1 is connected to the output end of the decoding amplifying circuits 3121-3n21, and the first triode Q1 and the second triode Q2 are cascaded to form an amplifying circuit, and the control connector K1 is arranged at the output end of the amplifying circuit. When the decoding and amplifying circuits 3121-3n21 output correctly decoded current signals, the corresponding first transistor Q1 and second transistor Q2 are turned on successively, so that the loop formed by the control joint K1 is turned on to realize the control of the target.
In this embodiment, the encoding driving circuit 111-1n1 adopts a PT2262IR encoding circuit, the decoding circuit of the corresponding decoding amplifying circuit 3121-3n21 adopts a PT2272 decoding circuit, and the infrared LEDs 3111-3n11 adopt infrared light emitting diodes with wavelength of 940 nm. The PT2262IR coding circuit mainly comprises a PT2262IR chip, the PT2272 decoding circuit mainly comprises a PT2272 chip, and the PT2262IR chip and the PT2272 chip are paired coding and decoding chips.
The embodiment also provides an application method of the single-channel multi-path control device, which comprises that under the condition that n is equal to m, the control of m target devices is realized through n pairs of one-to-one matched coding driving circuit units and sensing control units in the single-channel multi-path control device.
In this embodiment, when the control over m target devices is implemented by n pairs of code driving circuit units and sensing control units that are matched one by one in the single-channel multipath control device, a processing procedure of the single-channel multipath control device on any one of code pulse signals includes:
s101, closing a current signal control switch in an ith coding driving circuit unit corresponding to the coding pulse signal, so that the coding driving circuit in the coding driving circuit unit outputs the coding pulse signal; in this embodiment, the current signal control switch 1i2 of the code driving circuit unit 1i of the ith code driving circuit unit is turned on, and the code driving circuit 1i1 controlled by the current signal control switch 1i2 generates an output code pulse signal;
S102, the coded pulse signals are transmitted to the sensing control units 3 through the signal transmission channels 2, and the coded pulse signals synchronously drive infrared LEDs of infrared signal sensing modules in all m sensing control units to emit coded infrared signals; in this embodiment, specifically, the encoded pulse signal generated by the encoding driving circuit 1i1 is transmitted to the sensing control unit 3 through the signal transmission channel 2, and the encoded pulse signal drives all the first infrared LEDs 3111 to n-th infrared LEDs 3n11 of the first to n-th infrared signal sensing modules 311 to 3n1 in the first to n-th sensing control units 31 to 3n to emit encoded infrared signals;
S103, after receiving coded infrared signals sent by corresponding infrared LEDs, infrared sensors in all m sensing control units respond to generate coded current signals; in this embodiment, the coded infrared signals emitted by the first infrared LED3111 to the n-th infrared LED3n11 are irradiated to the first infrared sensors 3112 to the n-th infrared sensors 3n12 with opposite and close faces, and the first infrared sensors 3112 to the n-th infrared sensors 3n12 respond to the coded infrared signals emitted by the first infrared LED3111 to the n-th infrared LED3n11 to generate current signals with codes;
s104, the coded current signals are respectively transmitted to the decoding and amplifying circuits of the decoding control modules in all m sensing control units, the decoding and amplifying circuits in all m sensing control units decode the coded current signals at the same time, only the decoding and amplifying circuits in the ith sensing control unit which are uniquely matched with the ith coding driving circuit unit correctly decode and amplify the signals, and then the control circuit in the ith sensing control unit realizes the control of the ith target equipment through the control connector K1 under the driving of amplified signals. In this embodiment, specifically, the current signals with codes generated by the first infrared sensors 3112 to n-th infrared sensors 3n12 are transmitted to the first decoding and amplifying circuits 3121 to n-th decoding and amplifying circuit 3n21, the first decoding and amplifying circuits 3121 to n-th decoding and amplifying circuit 3n21 decode the current signals with codes at the same time, only the decoding and amplifying circuit 3m21 with codes corresponding to the initial closing current signal control switch 1i2 is able to decode and amplify the signals correctly, and the control circuit 3m22 realizes the control of the target device through the control connector K1 under the driving of the amplified signals.
Embodiment two:
This embodiment is substantially the same as the first embodiment, and differs from the first embodiment mainly in that: in this embodiment, n is smaller than m, and in the case where n is smaller than m, the embodiment further includes implementing control over m target devices by using an n-to-one-to-many matching coding driving circuit unit and a sensing control unit in the single-channel multipath control device. Since the m sensing control units share a common signal transmission channel 2, the electrical connection structure between the signal transmission channel 2 and the sensing control units 3 can be designed to be connected by an electrical connector, so that the sensing control units can be added or replaced.
In this embodiment, when the control over m target devices is implemented by using the n-to-one-to-many matched coding driving circuit unit and the sensing control unit in the single-channel multipath control device, the processing procedure of the single-channel multipath control device on any one coding pulse signal includes:
S201, closing a current signal control switch in an ith coding driving circuit unit corresponding to the coding pulse signal, so that the coding driving circuit in the coding driving circuit unit outputs the coding pulse signal;
S202, the coded pulse signals are transmitted to the sensing control units 3 through the signal transmission channels 2, and the coded pulse signals synchronously drive infrared LEDs of infrared signal sensing modules in all m sensing control units to emit coded infrared signals;
S203, after receiving coded infrared signals sent by corresponding infrared LEDs, infrared sensors in all m sensing control units respond to generate coded current signals;
S204, the coded current signals are respectively transmitted to the decoding amplifying circuits of the decoding control modules in all m sensing control units, the decoding amplifying circuits in all m sensing control units decode the coded current signals at the same time, only the decoding amplifying circuits in the j sensing control units matched with the i coding driving circuit unit correctly decode and amplify the signals, and then the control circuits in the j sensing control units realize the control of target equipment connected with the j sensing control units through the control joint K1 under the driving of amplified signals.
Embodiment III:
This embodiment is substantially the same as the first embodiment, and differs from the first embodiment mainly in that: as shown in fig. 9, the sensing control unit in this embodiment includes diodes and decoding control modules connected to each other, the decoding and amplifying circuit of the decoding control module is connected to the signal transmission channel 2 through a diode, and the encoded current signal generated by the encoding driving circuit unit is directly input to the decoding and amplifying circuit through the signal transmission channel and the diode, and the decoding control modules are isolated by the first diode 313 to the n-th diode 3n3 respectively to prevent mutual interference.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (10)
1. The single-channel multipath control device is characterized by comprising an encoding driving circuit unit (1), a signal transmission channel (2) and a sensing control unit (3), wherein the encoding driving circuit unit (1) comprises n encoding driving circuit units formed by connecting a first encoding driving circuit unit with an nth encoding driving circuit unit in parallel, the n encoding driving circuit units are used for generating n encoding pulse signals and transmitting the n encoding pulse signals to the sensing control unit (3) through sharing the same signal transmission channel (2), the signal transmission channel (2) has only one main wire, the sensing control unit (3) comprises m sensing control units formed by connecting a first sensing control unit with an mth sensing control unit in parallel, the sensing control unit is used for outputting a switching control signal to switch the working state of target equipment when the encoding pulse signals sent by the matched encoding driving circuit units are detected, and one or more sensing control units are matched with one encoding driving circuit unit.
2. The single-channel multiplexing control device according to claim 1, wherein the code driving circuit unit includes a code driving circuit and a current signal control switch connected to each other, and the code driving circuit is electrically connected to the signal transmission channel (2) through the current signal control switch.
3. The single-channel multipath control device according to claim 1, wherein the sensing control unit comprises an infrared signal sensing module and a decoding control module which are connected with each other, the infrared signal sensing module is electrically connected with the signal transmission channel (2), the decoding control module is used for being electrically connected with the target device to output a switch control signal to switch the working state of the target device when detecting the coded pulse signal sent by the matched coded driving circuit unit, the infrared signal sensing module comprises an infrared LED and an infrared sensor, the front faces of the infrared LED and the infrared sensor are opposite, the infrared LED and the signal transmission channel (2) are electrically connected, and the infrared sensor and the decoding control module are electrically connected.
4. The single channel multiplexing control device according to claim 3, wherein the decoding control module comprises a decoding amplifying circuit and a control circuit which are connected with each other, the decoding amplifying circuit is connected with the output end of the infrared signal sensing module, and the control circuit is electrically connected with the target device to output a switch control signal to switch the working state of the target device when detecting the coded pulse signal sent by the matched coded driving circuit unit.
5. The single-channel multipath control device according to claim 1, wherein a deconcentrator for leading out a signal transmission shunt is arranged on a main circuit wire of the signal transmission channel (2), the deconcentrator comprises an upper insulating plastic cover, a lower insulating plastic cover and two copper blocks clamped and fixed between the upper insulating plastic cover and the lower insulating plastic cover, a side opening main wire hole and a deconcentrator hole are formed in the copper blocks, the main circuit wire is inserted into the side opening main wire hole and is in contact conduction with the copper blocks through a bare conductor after an insulating layer is removed, one end of the signal transmission shunt is inserted into the deconcentrator hole, the main circuit wire and the shunt wire are connected with the copper blocks in a clamping manner through first screw holes, the upper insulating plastic cover and the lower insulating plastic cover are connected with each other through second screw holes, and the deconcentrator fixing hole is formed in the upper insulating plastic cover and the lower insulating plastic cover and is used for installing and fixing the deconcentrator.
6. The single channel multiplexing control device according to claim 4, wherein the control circuits each comprise a first triode Q1, a second triode Q2 and a control connector K1, wherein the base electrode of the first triode Q1 is connected with the output end of the decoding amplifying circuit, the first triode Q1 and the second triode Q2 are cascaded to form the amplifying circuit, and the control connector K1 is arranged at the output end of the amplifying circuit and is used for being electrically connected with the target equipment.
7. An application method of the single-channel multi-path control device as claimed in claim 6, characterized in that the method comprises the step of realizing control of m target devices through n pairs of one-to-one matched coding driving circuit units and sensing control units in the single-channel multi-path control device under the condition that n is equal to m.
8. The application method of the single-channel multiplexing control device according to claim 7, wherein when the control over m target devices is implemented by n pairs of one-to-one matching coding driving circuit units and sensing control units in the single-channel multiplexing control device, the processing procedure of the single-channel multiplexing control device on any one coding pulse signal includes:
s101, closing a current signal control switch in an ith coding driving circuit unit corresponding to the coding pulse signal, so that the coding driving circuit in the coding driving circuit unit outputs the coding pulse signal;
S102, transmitting the coded pulse signals to a sensing control unit (3) through a signal transmission channel (2), and synchronously driving infrared LEDs of infrared signal sensing modules in all m sensing control units to emit coded infrared signals;
S103, after receiving coded infrared signals sent by corresponding infrared LEDs, infrared sensors in all m sensing control units respond to generate coded current signals;
S104, the coded current signals are respectively transmitted to the decoding and amplifying circuits of the decoding control modules in all m sensing control units, the decoding and amplifying circuits in all m sensing control units decode the coded current signals at the same time, only the decoding and amplifying circuit in the ith sensing control unit which is uniquely matched with the ith coding driving circuit unit correctly decodes and amplifies the signals, and then the control circuit in the ith sensing control unit realizes the control of the ith target equipment through a control joint (K1) under the driving of the amplified signals.
9. An application method of the single-channel multiplexing control device according to claim 6, wherein the application method comprises the step of realizing control of m target devices through an n-to-one-to-many matching coding driving circuit unit and a sensing control unit in the single-channel multiplexing control device when n is smaller than m.
10. The application method of the single-channel multiplexing control device according to claim 9, wherein when the control of m target devices is implemented by the n-to-one-to-many matching coding driving circuit unit and the sensing control unit in the single-channel multiplexing control device, the processing procedure of the single-channel multiplexing control device on any one coding pulse signal includes:
S201, closing a current signal control switch in an ith coding driving circuit unit corresponding to the coding pulse signal, so that the coding driving circuit in the coding driving circuit unit outputs the coding pulse signal;
S202, the coded pulse signals are transmitted to a sensing control unit (3) through a signal transmission channel (2), and the coded pulse signals synchronously drive infrared LEDs of infrared signal sensing modules in all m sensing control units to emit coded infrared signals;
S203, after receiving coded infrared signals sent by corresponding infrared LEDs, infrared sensors in all m sensing control units respond to generate coded current signals;
S204, the coded current signals are respectively transmitted to the decoding amplifying circuits of the decoding control modules in all m sensing control units, the decoding amplifying circuits in all m sensing control units decode the coded current signals at the same time, only the decoding amplifying circuits in the j sensing control units matched with the i coding driving circuit unit correctly decode and amplify the signals, and then the control circuits in the j sensing control units realize the control of target equipment connected with the j sensing control units through the control joint K1 under the driving of amplified signals.
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| CN105676685B (en) * | 2016-01-05 | 2018-06-15 | 深圳市雷赛软件技术有限公司 | A kind of method, apparatus and encoder frequency divider for feeding back the initial absolute position of motor |
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| CN2252459Y (en) * | 1994-05-31 | 1997-04-16 | 南通开发区监控设备研究所 | One-chip computer infrared remote control transmitting, receiving appliance for monitoring |
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