CN209170047U - Low frequency power carrier control signal generation device, signal controller and control system - Google Patents
Low frequency power carrier control signal generation device, signal controller and control system Download PDFInfo
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- CN209170047U CN209170047U CN201721433379.0U CN201721433379U CN209170047U CN 209170047 U CN209170047 U CN 209170047U CN 201721433379 U CN201721433379 U CN 201721433379U CN 209170047 U CN209170047 U CN 209170047U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
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Abstract
The utility model discloses a kind of low frequency power carrier control signal generation device, signal controller and control system, which contains the first transformer, I branch and II loop；The secondary windings of first transformer is connected on the main circuit power supply of target control equipment；After its armature winding is connected with industrial frequency reactor and it is connected to AC power source the two poles of the earth composition I branch；Second switch is parallel to the first primary winding or industrial frequency reactor both ends form II loop.The utility model makes the supply voltage of target control equipment occur to specify fluctuation in short-term using on/off；Target control monitoring of tools can identify control instruction according to the corresponding relationship of the preset voltage fluctuation and control instruction, and then accordingly controlled to the fluctuation of supply voltage.The utility model series of products are generated using supply lines and transmission of control signals, construction and operation cost is low, reliable operation, the group control for helping to realize electrical equipment.
Description
Technical field
The utility model relates to field of electrical control, produce more particularly to a kind of low frequency power carrier control signal
Generating apparatus and corresponding signal controller and control system.
Background technique
With the development of computer, power electronic technique and automatic control technology, Electrical Control Technology is gradually towards intelligence
Change, networking direction are developed, meanwhile, security performance, functional reliability, cost performance and interference free performance are still always the field skill
The content that art developer pays close attention to.
Utility model content
The purpose of this utility model is to provide one kind and is easy to implement intelligent network control, and functional reliability is good, property
Valence is than high low frequency power carrier control signal generation device and corresponding signal controller and control system.
The specific technical solution of the utility model series of products introduced below:
One, the utility model low frequency power carrier control signal generation device (option A)
The first transformer, I branch and II loop are specifically included；The secondary windings of first transformer is for going here and there
It is associated on the Alternating Current Power Supply major loop of one or more target control equipment；The I branch is mainly by first transformation
Armature winding, electric elements M or the series circuit plus first switch composition of device, set for being connected in parallel to target control
The two poles of the earth of standby communication power supply；Second switch is parallel to the armature winding or the electric elements M of first transformer
Both ends and form the II loop；The electric elements M, using industrial frequency reactor or resistance.
Alternatively, above-mentioned industrial frequency reactor/resistance transformer substitution (transformer defined below is " the second transformer "),
The armature winding of the armature winding and the second transformer of first transformer is connected in series at this time, and the second transformer it is secondary around
Group keeps open circuit or connection underload；Second switch is parallel to the armature winding or the second transformer of first transformer at this time
The both ends of armature winding and form the II loop.
First transformer and the industrial frequency reactor/second transformer/resistance parameter selection, should make with institute
State the on/off switching of second switch (or plus described first switch) and on the Alternating Current Power Supply major loop of target control equipment
It generates convenient for detection identification but the normal work of equipment and the voltage fuctuation within a narrow range in service life on main circuit power supply will not be influenced and be
Preferably；For the distinct device that different application field and environment, different application require, alternating supply voltage allows the range fluctuated
May differ by it is larger, usually can for example by 0.5~30V of alternating supply voltage rise/fall can be caused to first transformer and
The industrial frequency reactor/the second transformer/resistance parameter is designed.And each switch, electric mechanical switch can be specifically used,
Or solid-state relay or the bidirectional triode thyristor perhaps one-way SCR of two reverse parallel connections or two reverse parallel connections is unidirectional
Power switch component.By simply controlling the on/off of the second switch (or plus first switch), the utility model low frequency
Power carrier control signal generation device can make the alternating supply voltage of target control equipment that fuctuation within a narrow range in short-term occur, and such as will
The voltage fluctuation is associated with the control instruction of target control equipment, it is clear that may be implemented to set by power circuit to target control
Preparation send control instruction signal.
It is not difficult to find out that each on/off (or combinations thereof) state is set with target control in the utility model
Fuctuation within a narrow range is that cause and effect is directly corresponding to standby alternating supply voltage in short-term, moreover, the on/off can be used manually or by other auxiliary
Circuit or equipment are controlled.It can be utility model device configuration switch as a kind of optimization to above technical scheme
On/off control unit, to be used to carry out one or many on/off to the second switch in specified duration Ta, alternatively, being used for
Multiple on/off is carried out to the second switch, first switch in specified duration Ta；It meanwhile will include the second switch
(or adding first switch) is specifying the on/off number in duration Ta, on/off frequency, each secondary on/off duration, multiple on/off
Shi Qizhong one or more parameters including the time interval of on/off twice, the control instruction for being preset as and being sent exist pair
It should be related to.Using this prioritization scheme, facilitate in shorter duration Ta it is more acurrate, efficiently send one or more controls and refer to
It enables, is easy to implement the precise controlling and more equipment, multi-functional group control of functions of the equipments.Even, it can also further be opened described
It closes on/off control unit and multiple on/off is carried out to the second switch (or adding first switch) in specified duration Ta
A wherein on/off duration, or in which the time interval of on/off twice are preset in systems and are formally sent as control instruction
Criterion；And/or wherein one or many on/off duration, exist with the control instruction of same or different target control equipment
Preset corresponding relationship.
The utility model low frequency power carrier control signal generation device is mountable in one or more target control equipment
Alternating Current Power Supply major loop any place.For conventional target control equipment, only corresponding voltage detecting, letter need to be configured for it
Number processing and driving circuit, and set the rule of correspondence of voltage fluctuation parameter and control instruction, with the utility model low-frequency electrical
Power carrier control signal generation device is used cooperatively, and can easily be realized by low frequency power route to one or more equipment
Single or different function control, moreover, safety, functional reliability, cost performance are good；Meanwhile by being configured according to use occasion
The rule of correspondence of suitable voltage fluctuation parameter and control instruction, can have splendid interference free performance.
Two, the utility model low frequency power carrier control signal generation device (option b)
The technical principle of this programme is roughly the same with a upper scheme, only slightly different in the details of circuit structure, tool
Body is as follows: equally including the first transformer, I branch and II loop；The secondary windings of first transformer is for going here and there
It is associated on the Alternating Current Power Supply major loop of one or more target control equipment；The difference is that the I branch be mainly by
The series circuit of armature winding and the first switch composition of first transformer, for being connected in parallel to the friendship of target control equipment
Flow the two poles of the earth of power supply；Second switch is parallel to the both ends of the first primary winding and forms the II ring
Road；The first switch and second switch electrical interlocks.
The application method of this programme is also roughly the same with a upper scheme: by simply controlling first, second switch
On/off, the utility model low frequency power carrier control signal generation device can make target control equipment Alternating Current Power Supply electricity
The raw fuctuation within a narrow range in short-term of pressure, it is such as that the voltage fluctuation is associated with the control instruction of target control equipment, it is clear that may be implemented
Control instruction signal is sent to target control equipment by power circuit.
Similar to a upper scheme, switch on/off control unit also can be further configured in this programme, in specified duration Ta
It is interior that multiple on/off is carried out to first, second switch；On/off comprising first, second switch in specified duration Ta
Wherein one or more including the time interval of on/off twice when number, on/off frequency, each secondary on/off duration, multiple on/off
A parameter, there are corresponding relationships for the control instruction for being preset as and being sent.It even, can also be further by the switch on/off control
Unit processed in specified duration Ta to first, second switch carry out multiple on/off a wherein on/off duration or its
In on/off twice time interval, preset the criterion formally sent as control instruction in systems；And/or wherein it is primary or
The duration of multiple on/off, there are preset corresponding relationships with the control instruction of same or different target control equipment.
Three, the utility model low frequency power carrier signal controller
It has specifically included low frequency power carrier control signal and has generated unit and at least one signal processing unit；Each letter
Number processing unit, including being provided with the connected voltage detecting circuit of sequence, single-chip microcontroller, signal drive circuit, signal driving electricity
The signal output end on road with the control terminal of target control equipment for being connected；The voltage detecting circuit includes for target control
Supply voltage on control equipment Alternating Current Power Supply major loop is monitored and is sent to the single-chip microcontroller；The single-chip microcontroller, including with
In the fluctuation according to the supply voltage monitored, exported by the preset rule of system by the control signal of single-chip microcontroller
End sends corresponding control signal to the control terminal of the target control equipment through the signal drive circuit；The low frequency power
Carrier control signal, which generates unit, can be used the technical side of low frequency power carrier control signal generation device described in one, two above
Case.
The above low frequency power carrier control signal generation device and signal processing are driven electricity by the utility model
Road is integrated, and the low frequency power carrier signal controller product that can form small modular is produced and sold and used, and is helped
In reducing production, installation and maintenance cost, convenient for being applied in existing electrical equipment/system to pass through low frequency power route to it
Easily realize control.
Four, the utility model low frequency power carrier signal control system
At least one target control equipment is specifically included, each target control equipment has in the conventional arrangement to be realized for controlling
The master control electricity module of the functions of the equipments；Being particular in that for this control system further includes being provided with low frequency power carrier signal control
Unit processed；The low frequency power carrier signal control unit uses the low frequency power carrier signal controller as described in above three,
Its control signal output is connected with the corresponding controling end of each master control electricity module.
To sum up, it is integrated by using different degrees of, the utility model series of products are opened by simply controlling described second
The on/off for closing (or adding first switch) makes the supply voltage of target control equipment that fuctuation within a narrow range in short-term, target control occur
Equipment passes through the variation of monitoring supply voltage, according to the corresponding relationship of the preset voltage change and control instruction, Ji Keshi
It Chu not control instruction and then the corresponding control of realization.Since the utility model is simple, at low cost, reliable operation passes through low frequency
Power circuit can easily realize the control to one or more equipment, it is clear that be easy to implement clustering, multi gear, the more function of equipment
It can, finely control, therefore be extremely suitable for being promoted the use of in various fields.
Detailed description of the invention
Fig. 1,2 are the utility model low frequency power carrier control signal generation device two different embodiments and its application
Circuit theory of constitution schematic diagram.
Fig. 3,4 are the utility model low frequency power carrier control signal generation device, low frequency power carrier signal controller
And low frequency power carrier signal control system two embodiments and its application circuit theory of constitution schematic diagram.
Fig. 5,6 be the utility model low frequency power carrier control signal generation device another two difference embodiment circuit group
At schematic illustration.
Fig. 7,8 are the two control signals generated using the utility model low frequency power carrier control signal generation device
Time diagram.
Fig. 9 is that the circuit theory of constitution of the another embodiment of the utility model low frequency power carrier control signal generation device shows
It is intended to.
Specific embodiment
With reference to the accompanying drawings and embodiments to the utility model low frequency power carrier control signal generation device, low frequency power
Carrier signal controller and low frequency power carrier signal control system are further described.
One, the utility model low frequency power carrier control signal generation device (option A)
Fig. 1-6 shows the several different embodiments of the utility model low frequency power carrier control signal generation device and its answers
Circuit theory of constitution schematic diagram, i.e., time for the first transformer B1 that connects on the Alternating Current Power Supply major loop of target control equipment
Grade winding；Mainly it is connected in series shape by the armature winding of the first transformer B1 and electric elements M or plus first switch K1
At I branch circuit parallel connection be connected to target control equipment communication power supply the two poles of the earth；Second switch K2 is parallel to described first
The both ends (such as Fig. 1) of transformer B1 armature winding are parallel to the both ends (such as Fig. 2) of the electric elements M and form II ring
Road.The electric elements M can use industrial frequency reactor L as shown in Fig. 3,5, or use transformer B2 (following as shown in Fig. 4,6
It is defined as " the second transformer "), it can also be substituted using resistance；When the electric elements M uses the second transformation as shown in Fig. 4,6
It is the armature winding of the armature winding and the second transformer B2 of the first transformer B1 to be connected in series, and second becomes when device B2
The secondary windings of depressor B2 keep open circuit or connection underload (one of ordinary skill in the art can freely select according to common technical knowledge,
Such as connection indicator light or resistance etc.), second switch K2 can be parallel to the armature winding of the first transformer B1 (such as at this time
Fig. 4) or the both ends (such as Fig. 6) of the second transformer B2 armature winding and form the II loop.Each switch, can specifically adopt
With electric mechanical switch or solid-state relay or bidirectional triode thyristor perhaps the one-way SCR of two reverse parallel connections or two it is anti-
To unidirectional power switch element in parallel.
Fig. 3 is the circuit group of the utility model low frequency power carrier control signal generation device one embodiment and its application
It is the specific of the present embodiment low frequency power carrier control signal generation device in the small dashed box in left side in figure at schematic illustration
Electrical block diagram.As shown, the present embodiment low frequency power carrier control signal generation device is mainly by the first transformer
B1, industrial frequency reactor L (industrial frequency reactor can also be substituted with resistance), first switch K1, second switch K2 composition, wherein the
The secondary windings of one transformer B1 is used to be connected on the Alternating Current Power Supply major loop of target control equipment, and its armature winding and work
The series circuit of frequency reactor L, first switch K1 composition is connected in parallel to the two poles of the earth of the communication power supply of target control equipment, structure
At I branch；The both ends that second switch K2 is parallel to the first primary winding form II loop.In the present embodiment, the
The one-way SCR composition of two reverse parallel connections is respectively adopted in one switch K1, second switch K2.A kind of simple application method
Example: when device powers on original state and target control equipment works in stable state, second switch K2 is enabled to be closed, first switch K1
It disconnects, then the armature winding of first transformer and the both end voltage of secondary windings are zero, and alternating current input power supplying is loaded directly into
It is powered on to target control equipment for it；And when needing to send control signal to target control equipment, enable first switch
K1 closure, second switch K2 are disconnected, then the series circuit of the armature winding of first transformer and industrial frequency reactor L access
Power grid, due to the coupling between primary and secondary winding so that the secondary windings both ends of the first transformer generate voltage change
The offset voltageWith AC-input voltageSupply voltage that is vector superposed and making target control equipmentBecome
Change.As long as the voltage change and control instruction is default there are corresponding relationship, target control equipment passes through monitoring supply voltage
The variation may recognize that control instruction and then realize corresponding control.
Fig. 4 be the utility model low frequency power carrier control signal generation device, low frequency power carrier signal controller and
Another embodiment of low frequency power carrier signal control system and its circuit theory of constitution schematic diagram of application.In the present solution,
Using the second transformer B2 instead of the industrial frequency reactor L in a upper scheme, meanwhile, first also eliminated in a scheme opens
K1 is closed, as shown, the armature winding of the first transformer B1 and the armature winding of the second transformer B2 are connected in series at this time, and second
The secondary windings of transformer B2 keeps open circuit (can also connect underload, such as indicator light or resistance).In the present solution, target control
The variation of the presence or absence of equipment supply voltage, can correspond to the two different of two different control instructions and target control equipment
Operating status, for example, need to only monitor the variation of the presence or absence of its supply voltage, i.e., for target control equipment 1 and 2 shown in Fig. 4
A kind of function of can be achieved to be uniformly controlled easily can be increased for two equipment；Alternatively, in system electrification original state and mesh
When mark control equipment works in stable state, second switch K2, which is remained closed, forms the both ends of the armature winding of first transformer
It is shorted；And when needing to send control signal to target control equipment, on/off at least once is carried out to the second switch K2 and is grasped
Make, different on/off parameters may be configured as corresponding to different control instructions.
Preferred embodiment 1: the on/off of the second switch (or adding first switch) can be carried out in specified duration
Combination, using the waveform parameter that the alternating supply voltage of the resulting target control equipment fluctuates as the master of control instruction
Component part is wanted, different voltage fluctuation waveform parameters, which can be preset, refers to different control instructions.The different voltage fluctuation
Waveform can pass through (such as 0.2s~300s) the change second switch (or adding first switch) in specified duration
Wherein on/off time interval of on/off etc. one twice when on/off number, on/off frequency, each secondary on/off duration, multiple on/off
A or multiple parameters realize, that is: by on/off of the second switch (or adding first switch) in specified duration Ta
Wherein one or more including the time interval of on/off twice when number, on/off frequency, each secondary on/off duration, multiple on/off
A parameter, default there are corresponding relationships with the control instruction to be sent.
Preferred embodiment 2: on the basis of a upper scheme, further by second switch described in specified duration Ta (or
In addition first switch) the wherein on/off duration of multiple on/off, or in which the time interval of on/off twice, in systems
The default criterion formally sent as control instruction；And/or wherein one or many on/off duration, from same or different mesh
There are preset corresponding relationships for the control instruction of mark control equipment.Since the monitoring in the prior art to voltage fluctuation duration is accurate
Degree can reach Millisecond, so even correspondence also can be set into voltage fluctuation duration (and switch on/off duration) in short-term
Dozens or even hundreds of control instructions, continuous, Stageless gear shifting can be achieved this means that scheme at this time is equivalent in this, is applicable in
In numerous industrial productions such as air-conditioning temperature adjustment, electric machine speed regulation, frequency modulation and work, life occasion.
In above scheme, the first transformer and the industrial frequency reactor/second transformer/resistance parameter designing, so that
It obtains with the second switch or switches plus the on/off of the first switch and cause to power locating for target control equipment and lead
0.5~30V of voltage rise/fall on circuit is advisable；Certainly, if equipment performance and use environment allow, the voltage fluctuation
It can be designed to wider.
Fig. 5,6 be the utility model low frequency power carrier control signal generation device another two difference embodiment circuit group
At schematic illustration.Application method example: it is similar with the control principle of above other embodiments, led to by configuring switch/
Disconnected control unit (belongs to fields common technical knowledge.To make simplified form, does not give and drawing in figure.) in specified duration Ta to described
Second switch carries out one or many on/off, alternatively, in specified duration Ta to the second switch, first switch into
The multiple on/off of row, meanwhile, by the on/off comprising the second switch K2 or plus first switch K1 in specified duration Ta
Wherein one or more including the time interval of on/off twice when number, on/off frequency, each secondary on/off duration, multiple on/off
A parameter, there are corresponding relationships for the control instruction for being preset as and being sent.
Fig. 7, Fig. 8 are enumerated using the utility model low frequency power carrier control signal generation device shown in FIG. 1 hair
The generation time diagram of the different control signals of two out.In figure, high level indicates that respective switch is on closed state,
Low level indicates that respective switch is in an off state.The on/off number of second switch K2 shown in figure, on/off frequency, it is logical/
One or more parameter combinations of disconnected duration, on/off time interval (such as t2, t3, t4) etc. are used equally for default reference different
Control instruction.By taking control signal shown in Fig. 7 generates timing diagram as an example, such as difference can be referred to so that the t1 of different durations is default
Control instruction: be for example set as referring to and raising speed/slow down 5% for motor whenever t1 extends 20ms；Alternatively, be set as t1=0~
For the default multi gear temperature for referring to adjustment air-conditioning when 1s, and for the default different wind for referring to adjustment air-conditioning when t1=2~3s
To, etc..By taking control signal shown in Fig. 8 generates timing diagram as an example, such as it can refer to so that t2, t3, t4 of different durations are default
For different control instructions: the t2 that different durations are for example arranged refers to the different stalls for controlling the different function of first equipment, and
The different stalls that the different function of control second equipment is referred to the t3 of different durations refer to the third equipment of control with the t4 of different durations
Different stalls of different function etc..Even, can will also specify wherein one or more duration parameters (t3 in such as Fig. 8 or
T4), the criterion formally sent as control instruction is preset in systems；And/or it is preset and is controlled with same or different target
The control instruction of equipment is default, and there are corresponding relationships.It is thus clear that the scheme of the present embodiment extremely facilitates according to use site reality
The autonomous multi gear for being arranged and realizing group facility or multi-functional, Precise control, and the feasibility that works is high, strong interference immunity.
Two, the utility model low frequency power carrier control signal generation device (option b)
The circuit composition that Fig. 9 shows the another embodiment of the utility model low frequency power carrier control signal generation device is former
Manage schematic diagram.The present embodiment is roughly the same with the technical principle of each embodiment above, the difference is that eliminating electric elements
M, the armature winding of the first transformer B1 and the series circuit of first switch K1 are connected in parallel to the Alternating Current Power Supply of target control equipment
The two poles of the earth of power supply；Second switch K2 is still parallel to the both ends of the first primary winding；And the first switch K1 with
Second switch K2 requires electrical interlocks (i.e. first switch K1 and second switch K2 cannot be closed at or simultaneously switch off).
The application method of this embodiment scheme is with above also roughly the same: being opened by simply controlling described first, second
The on/off of pass and make the alternating supply voltage of target control equipment that fuctuation within a narrow range in short-term occur, preset the voltage fluctuation and mesh
The control instruction of mark control equipment is associated, can be realized and sends control instruction letter to target control equipment by power circuit
Number.
Three, the utility model low frequency power carrier signal controller
The utility model low frequency power carrier signal controller is mainly by signal processing unit and low frequency power carrier Control
Signal generation unit (low frequency power carrier control signal generation device i.e. described above, containing option A and B) composition.In Fig. 3
It is the circuit composition knot of the utility model low frequency power carrier signal controller one embodiment and its application in large size dashed box
Structure schematic diagram.As shown, the present embodiment low frequency power carrier signal controller is mainly by the low frequency power in the small dashed box in left side
Carrier control signal generates in unit (in Fig. 3 label be low frequency power carrier control signal generation device ") and the small dashed box in right side
Signal processing unit composition；The signal processing unit is by the voltage detecting circuit, the single-chip microcontroller (processor), signal that are sequentially connected
Driving circuit composition: voltage detecting circuit is for being monitored the supply voltage on target control equipment Alternating Current Power Supply major loop
And it is sent to single-chip microcontroller；Single-chip microcontroller is passed through according to the fluctuation of the supply voltage monitored by the preset rule of system
The control signal output of single-chip microcontroller sends through the signal drive circuit to the control terminal of the target control equipment corresponding
Control signal.When target control equipment has multiple and when having common Alternating Current Power Supply major loop, visual scene concrete application feelings
Shape and control need, and select to share the same signal processing unit or signal processing list is separately configured for each target control equipment
Member.
Another embodiment of the utility model low frequency power carrier signal controller and its application can be found in Fig. 4.
Three, the utility model low frequency power carrier signal control system
Fig. 3,4 are that the circuit composition of the utility model low frequency power carrier signal two embodiments of control system enumerated is former
Schematic diagram is managed, as shown, the present embodiment low frequency power carrier signal control system can be by target control equipment plus above
The low frequency power carrier signal controller composition.
According to the common sense of one of ordinary skill in the art, target control equipment referred to herein at least should belong to control panel
(most of common electrical equipments in the prior art belong to such, for example, motor, household electrical appliance, all kinds of air-conditionings, lighting apparatus,
Electronic control unit etc.) rather than purely mechanic control equipment, i.e. target control equipment should have in the conventional arrangement for control realize should
The master control electricity module of functions of the equipments (such as has one in the motor of rotating function, for the correspondence master control electricity module of its configuration
Usually have control motor open, stop, or and speed regulation function, while there is corresponding control terminal).
The connection type of the big component part of this system two: the control signal output of low frequency power carrier signal controller with
The corresponding controling end of the master control electricity module is connected.
The above content is only some better embodiments of the utility model enumerated, cannot be considered as practical for limiting
Novel form of implementation.All one of ordinary skill in the art can according to the equivalent variations and improvement that technical solutions of the utility model are made,
Within the covering scope that should belong to technical solutions of the utility model.
Claims (10)
1. low frequency power carrier control signal generation device, it is characterised in that: include the first transformer, I branch and No. II
Loop；The secondary windings of first transformer is used to be connected on the Alternating Current Power Supply major loop of target control equipment；The mesh
Mark control equipment is one or more；The I branch be mainly by the armature winding of first transformer, electric elements M,
Or the series circuit plus first switch composition, the two poles of the earth of the communication power supply for being connected in parallel to target control equipment；
Second switch is parallel to the armature winding of first transformer or the both ends of the electric elements M and forms the II ring
Road；The electric elements M, using industrial frequency reactor or resistance；
Alternatively, above-mentioned industrial frequency reactor/resistance is substituted with the second transformer, the armature winding of first transformer and at this time
The armature winding of two transformers is connected in series, and the secondary windings of the second transformer keeps open circuit or connection underload；At this time second
Switch in parallel to first transformer armature winding or the second primary winding both ends and form the II ring
Road.
2. low frequency power carrier control signal generation device according to claim 1, it is characterised in that: be also configured with switch
On/off control unit, for carrying out one or many on/off to the second switch in specified duration Ta, alternatively, being used for
Multiple on/off is carried out to the second switch, first switch in specified duration Ta；Comprising the second switch or plus the
When on/off number of one switch in specified duration Ta, on/off frequency, each secondary on/off duration, multiple on/off wherein twice
One or more parameters including the time interval of on/off, there are corresponding relationships for the control instruction for being preset as and being sent.
3. low frequency power carrier control signal generation device according to claim 2, it is characterised in that: the switch is logical/
Disconnected control unit carries out wherein the one of multiple on/off to the second switch in specified duration Ta or plus first switch
Secondary on/off duration, or in which the time interval of on/off twice preset the criterion formally sent as control instruction in systems；
And/or
The wherein duration of one or many on/off, there are preset right with the control instruction of same or different target control equipment
It should be related to.
4. low frequency power carrier control signal generation device according to claim 3, it is characterised in that: first transformation
Device and the industrial frequency reactor/second transformer/resistance parameter designing, should make with the second switch or add
The on/off of the first switch switches and causes 0.5~30V of alternating supply voltage rise/fall of target control equipment.
5. low frequency power carrier control signal generation device, it is characterised in that: include the first transformer, I branch and No. II
Loop；The secondary windings of first transformer is used to be connected on the Alternating Current Power Supply major loop of target control equipment；The mesh
Mark control equipment is one or more；The I branch is mainly by the armature winding and first switch of first transformer
The series circuit of composition, the two poles of the earth of the communication power supply for being connected in parallel to target control equipment；Second switch is parallel to institute
It states the both ends of the first primary winding and forms the II loop；The first switch and second switch electrical interlocks.
6. low frequency power carrier control signal generation device according to claim 5, it is characterised in that: be also configured with switch
On/off control unit, for carrying out multiple on/off to first, second switch in specified duration Ta；Include described
One, when on/off number of the second switch in specified duration Ta, on/off frequency, each secondary on/off duration, multiple on/off wherein
One or more parameters including the time interval of on/off twice, there are corresponding relationships for the control instruction for being preset as and being sent.
7. low frequency power carrier control signal generation device according to claim 6, it is characterised in that: the switch is logical/
Disconnected control unit carries out a wherein on/off duration for multiple on/off in specified duration Ta to first, second switch,
Or in which the time interval of on/off twice, the criterion formally sent as control instruction is preset in systems；And/or
The wherein duration of one or many on/off, there are preset right with the control instruction of same or different target control equipment
It should be related to.
8. low frequency power carrier control signal generation device according to claim 7, it is characterised in that: first transformation
The parameter designing of device should to switch and cause the Alternating Current Power Supply of target control equipment with first, second on/off
0.5~30V of voltage rise/fall.
9. low frequency power carrier signal controller, it is characterised in that: include low frequency power carrier control signal generate unit and
At least one signal processing unit；
Each signal processing unit, including being provided with the connected voltage detecting circuit of sequence, single-chip microcontroller, signal drive circuit,
The signal output end of the signal drive circuit with the control terminal of target control equipment for being connected；The voltage detecting circuit includes
For being monitored to the supply voltage on target control equipment Alternating Current Power Supply major loop and being sent to the single-chip microcontroller；The list
Piece machine, including passing through single-chip microcontroller by the preset rule of system for the fluctuation according to the supply voltage monitored
Control signal output sends corresponding control signal to the control terminal of the target control equipment through the signal drive circuit；
The low frequency power carrier control signal generates unit using the low frequency power carrier wave as described in one of claim 1 to 8
Control signal generation device.
10. low frequency power carrier signal control system includes at least one target control equipment, each target control equipment is by normal
Rule are configured with for controlling the master control electricity module for realizing the functions of the equipments；It is characterized by: this system further includes having low frequency power
Carrier signal control unit；The low frequency power carrier signal control unit uses low frequency power carrier wave as claimed in claim 9
Signal controller, control signal output are connected with the corresponding controling end of each master control electricity module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721433379.0U CN209170047U (en) | 2017-10-31 | 2017-10-31 | Low frequency power carrier control signal generation device, signal controller and control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721433379.0U CN209170047U (en) | 2017-10-31 | 2017-10-31 | Low frequency power carrier control signal generation device, signal controller and control system |
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| Publication Number | Publication Date |
|---|---|
| CN209170047U true CN209170047U (en) | 2019-07-26 |
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| CN201721433379.0U Active CN209170047U (en) | 2017-10-31 | 2017-10-31 | Low frequency power carrier control signal generation device, signal controller and control system |
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| Country | Link |
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| CN (1) | CN209170047U (en) |
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Effective date of registration: 20210908 Address after: 518000 1117, building 2, South Taiyun chuanggu Park, Southeast of the intersection of Guangming Avenue and Dongchang Road, Tangwei community, Fenghuang street, Guangming District, Shenzhen, Guangdong Patentee after: Shenzhen mingjiuzhou Lighting Technology Co.,Ltd. Address before: 530000 No. 304-1, Wangzhou Road, Xingning District, Nanning City, Guangxi Zhuang Autonomous Region Patentee before: Luo Wuning |