CN207010220U - Suppress the control device of surge current - Google Patents

Suppress the control device of surge current Download PDF

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Publication number
CN207010220U
CN207010220U CN201720665296.8U CN201720665296U CN207010220U CN 207010220 U CN207010220 U CN 207010220U CN 201720665296 U CN201720665296 U CN 201720665296U CN 207010220 U CN207010220 U CN 207010220U
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control
controlling switch
process unit
control process
current
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刘远芳
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Individual
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

Suppress surge current control device, it is arranged between foreign current and application apparatus, to be powered under the manipulation of the control signal of control terminal to the application apparatus.Suppressing surge current control device includes:Substrate, transceiver module, control process unit, controlling switch, and working power module, wherein each electronic component is arranged in substrate, and are electrical connected.Working power module electrically connects foreign current and provides required operating voltage and electric current with the module for each electric connection.Transceiver module receives control signal and is electrically transferred to control process unit.Control process unit connects controlling switch, so as to control controlling switch to carry out on/off switch when the time domain waveform of foreign current is in dead-center position by control process unit, to suppress the impact of surge current.

Description

Suppress the control device of surge current
Technical field
A control system is the utility model is related to, more particularly to one suppresses surge current control device, wherein with surge Electric current suppresses the wirelessly or non-wirelessly control system and its surging current suppression method with short-circuit protection.
Background technology
With the development and popularization of smart home, controlled in wireless and remote control function have been permeated in various electricity consumptions Device, control and illuminate especially by wireless switching, exempt to connect up because it has, convenient, many advantages such as safety, increasingly by people Concern and popularization.
It should be understood that controlled in wireless or remote control electrical appliance, when especially controlling the on/off of electrical appliance, mainly It is to control the break-make of circuit in electrical appliance by being provided with a controller of the switch element (such as relay) controlled by circuit , however, when being provided with capacitive load in by the circuit of control break-make, such as common LED, its internal driving power is Capacitive load, in the moment of energization, the voltage of the both ends of filter capacitor of driving power front end can not be mutated, and cause circuit to be similar to Short-circuit condition, produce the great surge current of immediate current, in such cases, the contact for the relay of control circuit break-make Easily by powerful electrolytic corrosion dissolve and cause it is viscous glutinous, the contact of relay by it is viscous it is glutinous after, controlled the LED controller of the LED Just lose the effect of control light fixture.
In fact, LED, in the 10ms times in firm start, its immediate current is 200 times of left sides of running current The right side, such as 30W LED, running current only 0.14A, but be just switched in the 10ms of power supply time, moment Electric current reaches 27A, the oxidation of huge immediate current meeting accelerating relay contact alloy material, relay is not reached normally Service life, so as to must frequently change relay.In actual test, a rated current is 16A, moment can bear peak value Electric current 117A relay, and passed through TV-8 certifications, when it controls 100W LED to do break-make life test, The contact of relay just occurs viscous after continuous break-make 2600 times, and generally, rated current is that 16A relay is connecing Break-make number during specified resistive load is generally at 100,000 times or so, it is seen that the surge current of capacitive load makes the longevity of relay Life is significantly reduced.Therefore, it can only be frequent replacing relay to solve the viscous method of relay contact in the past, or using electricity The stronger relay of ability to bear is flowed, for example, 100W LED does not use 2A Control, and makes the relay using 63A Device, but cost is so added, while the volume of product is added, the number also safeguarded.In addition, as shown in figure 1, it is 100W LED lamp in the waveform of surge current caused by moment (in 10ms) that is powered, wherein the LED access 220V exchanges by 100W Electric power, electric current of make-and-break test is done, altogether break-make power supply 3 times, wherein maximum primary current peak value is 130A, it is seen that moment impact electricity Stream is huge.
In addition, in the case where short circuit occurs for electrical appliance, such as LED lamp, because its installation is related to more human factor, The problem of tending to because of misoperation generation partial short-circuit, and after short circuit occurs for the load end of LED controller, even if controller It is able to detect that short-circuit generation, but its relay is due to the hysteresis phenomenon of 5-15ms times being present, can not disconnecting consumers immediately Power supply, the contact that as a result may result in relay is damaged because short circuit is melted, or fuse is blown;In a word, existing skill The controller of the electrical appliance of art scheme urgently good in terms of service life and reliability improves.
The content of the invention
A purpose of the present utility model is the control device for providing a suppression surge current, with electric with surge is suppressed Stream and the function with short-circuit protection, and then improve the control system for suppressing surge current and described suppress surge current The life-span of control device.
A purpose of the present utility model is the control device for providing a suppression surge current, wherein employing suppression wave Gush and the technology of short-circuit protection, make the utility model safer durable when controlling various capacitive loads.
A purpose of the present utility model is the control device for providing a suppression surge current, wherein the suppression surge The controller of current control includes an at least control process unit and an at least time domain waveform monitoring unit, so described time domain Waveform monitoring unit is to monitor the time domain waveform into the alternating current of the controller, so that the control process unit is being handed over The position for flowing electrical zero controls the controlling switch start of the controller, so that the rush of current that application apparatus is subject to is minimum, i.e., The application apparatus is set not influenceed by surge current.
A purpose of the present utility model is the control device for providing a suppression surge current, wherein the controller bag An at least current detecting unit is included, for monitoring the size and situation of change of load current, and to the control process unit Current data is provided, is closed with triggering the controlling switch immediately when electric current is excessive, ensures circuit safety.
A purpose of the present utility model is the control device for providing a suppression surge current, wherein the control process Unit includes an at least memory, for writing the delay time of the controlling switch, is so triggering the controlling switch During action, according to the automatic advance operation of delay time value of storage, the controlling switch is opened and closed just in zero crossing position, make The dash current value for flowing through the controlling switch is minimum.
In order to realize an above utility model at least purpose, the utility model provides one and suppresses surge current control device, It is arranged between externally fed circuit and application apparatus, with the manipulation of the control signal of control terminal to the application apparatus Power supply, including:
An at least substrate, a transceiver module, a control process unit, a controlling switch, and a working power module, its Described in transceiver module, the control process unit, the controlling switch, the working power module is arranged in being electrical connected The substrate, wherein the working power module provides required operating voltage and electricity for the module of each electric connection Stream, the transceiver module receive the control signal and are electrically transferred to the control process unit, the control process unit The controlling switch is set to open or close when alternating current is just at zero crossing, to suppress the impact of surge current.
In certain embodiments, the suppression surge current control device includes an at least time domain waveform monitoring unit, its The control process unit is electrically connected, for monitoring the time domain waveform data of alternating current and being returned to the control process unit Report, so that the controlling switch each action under the control of the control process unit is all in the position of zero crossing, so as to Rush of current when starting or closing the application apparatus in circuit is minimum.
In certain embodiments, the suppression surge current control device includes an input and an output end, and it is distinguished The substrate is arranged in, wherein the input connects the externally fed circuit, the output end is connected to the application dress Put, so by the input inputing power after, output end output continues electric energy or pulse width signal to the application fills Put.
In certain embodiments, the controller includes an at least current detecting unit, and it electrically connects the control process Unit and the controlling switch, for monitoring the size and situation of change of load current, and triggered immediately when electric current is excessive The controlling switch is closed, wherein the electric current of the externally fed circuit is embodied as alternating current or direct current.
In certain embodiments, the controlling switch abuts and is fixed on the substrate, and distributes heat by the substrate Amount is to reduce operating temperature, wherein the substrate includes a circuit layer, an insulating barrier, and a substrate, wherein the insulating barrier Between the circuit layer and the substrate, the substrate is that aluminum or copper or beneficial to radiating material are made, wherein institute State transceiver module, the control process unit, the controlling switch, and the working power module and be welded in circuit layer, with Form operating circuit and pass through the substrate radiating and cooling.
In certain embodiments, the power end access AC5V-380V grid powers of the controller, and by work electricity Source module is converted into low-voltage DC, the transceiver module and control process unit power supply is thought, wherein the control Device is installed in the inside or outside of the application apparatus, and is electrically connected with the application apparatus and externally fed electricity The power supply on road.
In certain embodiments, the current detecting unit includes the mutual inductor that is connected, Yi Qiaodui, two resistance, So as to send the size of the electric current of monitoring to the control process unit, wherein the controlling switch is by being connected with each other at least One electronic switch, a photoelectrical coupler are formed.
In certain embodiments, the controlling switch is embodied as being selected from by FET, controllable silicon, IGCT, power three The group that pole pipe or semiconductor devices are formed, wherein the controlling switch is connected to heat abstractor.
In certain embodiments, the controlling switch is embodied as being selected from and controlled by relay, contactor or electromagnetic mechanical The group that device is formed.
In certain embodiments, the control process unit includes an at least memory, and it is stored with the control terminal Id information, and for writing the delay time of the controlling switch, so when triggering the controlling switch action, according to storage The automatic advance operation of delay time value, the controlling switch is opened and closed just in zero crossing position, make to flow through the control and open The dash current value of pass is minimum.
In certain embodiments, the transceiver module is embodied as the logic module or high frequency wireless receiving and dispatching of Data Over Cable Data module, wherein when the time domain waveform of voltage or electric current is in zero crossing position in the externally fed circuit, the control System switch is controlled by the level signal or pulsewidth (PWM) signal of control process unit output.
In certain embodiments, the control process unit has matching function, the formation between the control terminal With relation, so as to be controlled by the manipulation instruction of the control terminal, wherein the suppression surge current control device is also included at least One pairing button device, it is arranged at the substrate, for implementing between the control process unit and the control terminal Matching relationship.
In certain embodiments, the suppression surge current control device, it passes through standard wireless communication agreement and various Radio frequency, infrared communication protocol control, the standard wireless communication agreement system be selected from by WIFI, ZigBee, Z-Wave, The group that Bluetooth, MESH grid network or WLAN are formed.
In certain embodiments, the suppression surge current control device includes a housing, and it includes a drain pan, a lid Shell, and a magnetic element, wherein the magnetic element is arranged at the drain pan, so that the suppression surge current control device With magnetic attraction function, wherein the lid shell is arranged at the drain pan, with protection setting in each electronic component of the substrate.
In certain embodiments, for the transceiver module when not receiving signal instruction, the control process unit makes institute State controller and be in power save mode, the output of its first input/output port is low level, and the photoelectrical coupler of the controlling switch Do not work, the controlling switch is in cut-off state, so as to which the controller is in low-power consumption standby state, waits the control The arrival of signal processed, wherein the second input/output port of the control process unit is examined according to the change of alternating current time domain waveform The time location of alternating current time domain waveform zero crossing is surveyed, when the curtage time domain waveform of alternating current is just at dead-center position When, the first input/output port of the control process unit will export high level, to trigger the photoelectrical coupler work Make, the controlling switch is turned on to application apparatus and electric current is provided.
Brief description of the drawings
Fig. 1 is existing LED lamp in the waveform diagram of surge current caused by moment that is powered.
Fig. 2 is according to the one of the preferred embodiment of the present utility model logical schematic for suppressing surge current control system.
Fig. 3 is to realize logical schematic according to the controller of preferred embodiment of the present utility model.
Fig. 4 is in the waveform diagram of surge current caused by moment that is powered with the application apparatus after the utility model.
Fig. 5 and Fig. 6 is the time domain beamformer of alternating current.
Fig. 7 is the circuit structure that semiconductor devices is embodied as according to controlling switch in preferred embodiment of the present utility model Figure.
Fig. 8 is the logic chart that semiconductor devices is embodied as according to controlling switch in preferred embodiment of the present utility model.
Fig. 9 is the logic chart that relay is embodied as according to controlling switch in preferred embodiment of the present utility model.
Figure 10 is the perspective view according to the suppression surge current control device of preferred embodiment of the present utility model.
Figure 11 be according to preferred embodiment of the present utility model suppression surge current control device base plate structure and The abutting schematic diagram of controlling switch and substrate.
Figure 12 is the explosive view according to the suppression surge current control device of preferred embodiment of the present utility model.
Embodiment
Describe to be used to disclose the utility model so that those skilled in the art can realize the utility model below.Retouch below Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.Retouched following The general principle of the present utility model defined in stating can apply to other embodiments, deformation program, improvement project, etc. Tongfang Case and the other technologies scheme without departing from spirit and scope of the present utility model.
It will be understood by those skilled in the art that in exposure of the present utility model, term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", the orientation of the instruction such as " outer " or position close System is to be based on orientation shown in the drawings or position relationship, and it is for only for ease of description the utility model and simplified and describes, without It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore on Term is stated it is not intended that to limitation of the present utility model.
It is understood that term " one " be interpreted as " at least one " or " one or more ", i.e., in one embodiment, The quantity of one element can be one, and in a further embodiment, the quantity of the element can be multiple, and term " one " is no It is understood that as the limitation to quantity.
As shown in Figures 2 to 7, it is to suppress surge current control system according to the one of first preferred embodiment of the present utility model System, with the function of suppressing surge current and there is short-circuit protection, and then improve the longevity of the control system for suppressing surge current Life.
In preferred embodiment of the present utility model, as shown in Fig. 2 the suppression surge current control system includes a control End 10 processed, a controller 20, and an application apparatus 30.It is negative by the controller 20 under the control of the control terminal 10 The through and off of duty control electric power, make the application apparatus 30 be in controlled state.Further say, the suppression surge current Control system has the function of opening with closing the power supply of application apparatus 30 under the control of the control terminal 10.In addition, institute Stating control terminal 10 also has to the application apparatus 30 implementation variable regulation or other functions.It is noted that in the control Device 20 processed also using the technology for suppressing surge and short-circuit protection, makes the suppression surge current control system of the present utility model exist It is safer durable when controlling various capacitive loads.It is worth mentioning, the controller 20 can be embodied as lamp controller 20A, institute Lamp device 30A can be embodied as by stating application apparatus 30.In other words, under the control of the control terminal 10, the light fixture control is passed through Device 20A processed is responsible for controlling the through and off of electric power, the lamp device 30A is in controlled state.That is, this practicality is new Type provides a kind of illuminator being made up of the control terminal 10, the lamp controller 20A, the lamp device 30A, Wherein described lamp controller 20A has the function that to suppress capacitive load in the strong surge current caused by moment that is powered.Simultaneously The suppression surge current control system of the present utility model can be construed to and be embodied as an illuminator, it includes a control terminal 10, a lamp controller 20A and a lamp device 30A.
In addition, when short circuit phenomenon occurs for the lamp device 30A, the lamp controller 20A can also have short circuit to protect Protective function.Be worth mentioning, it is described suppress surge current control system be arranged in the lamp device 30A power input it Before, i.e., it is described under the control of the control terminal 10 of outside between the loop that electric power is powered to the lamp device 30A Lamp device 30A powers.It should be understood by those skilled in the art that the utility model is except for the lamp device 30A, may be used also For the control of the various electric equipments such as LED lamp, computer, TV, computer, as long as the power supply of equipment is capacitive load Switching Power Supply, be suitable for the utility model.
As shown in Fig. 2 the suppression surge current control system is by the control terminal 10, the controller 20, Yi Jisuo Three major parts of the grade of application apparatus 30 are stated to form.The control terminal 10 is used to provide an external control signal, and it can be wireless Control signal, bus data control signal.The controller 20 accesses externally fed circuit or grid power, its work are controlled by The control terminal 10, and under the instruction of the control signal in the control terminal 10, avoid surge current from entering the application apparatus The 30 control application apparatus 30 is powered or powered off, or makees variable regulation.In addition, the input of grid power is the controller 20 and the application apparatus 30 power supply or electric energy are provided.Input electric power is AC5V-380V electric main or alternating current.It can manage Solution, the suppression surge current control system is also by the control terminal 10, the lamp controller 20A, and the light fixture Three major parts such as device 30A are formed.The lamp controller 20A accesses grid power, and its work is controlled by the control End 10, and under the instruction of the control signal in the control terminal 10, the lamp device 30A is powered or is powered off, or make variable Regulation.Further say, the utility model has and opened with closing the light fixture under the control of the control terminal 10 of outside The function of device 30A power supply, and can also have the function of implementing light modulation toning to the lamp device 30A.In addition, power network The input of electric power provides power supply or electric energy for the lamp controller 20A and the lamp device 30A.
The application apparatus 30 includes an at least capacitive load 31.The capacitive load 31 is embodied as driving power.Change speech It, the application apparatus 30 be the control of the control terminal 10 and the controller 20 to picture, wherein the band of the application apparatus 30 There is driving power, i.e., with the capacitive load 31.In addition, the huge surge current in the application apparatus 30 is due to institute The driving power for stating application apparatus 30 is that have caused by the Switching Power Supply of capacitive load characteristic.In addition, the utility model exists Various types of capacitive loads are can control in the range of specified load power.It should be understood that the lamp device 30A is included at least One capacitive load 31.In other words, the lamp device 30A is the control terminal 10 and the control of the lamp controller 20A System is to picture, wherein the lamp device 30A carries driving power, i.e., with the capacitive load 31.In addition, filled in the light fixture It is the switch for having capacitive load characteristic to put the driving power that the huge surge current in 30A is due to the lamp device 30A Caused by power supply.
As shown in figure 3, the controller 20 includes an at least transceiver module 21, an at least control process unit 22, at least One time domain waveform monitoring unit 23, and an at least controlling switch 24.The transceiver module 21 electrically connects the control process list Member 22.The control process unit 22 electrically connects the controlling switch 24.The time domain waveform monitoring unit 23 electrically connects described Control process unit 22 and the controlling switch 24.In other words, the lamp controller 20A includes at least one transceiver module 21, at least one control process unit 22, at least one time domain waveform monitoring unit 23, and at least one it is described control open Close 24.
The transceiver module 21 is signal input port, can two-way operation.In other words, the transceiver module 21 can be received and sent The control terminal 10, and the control terminal 10 demodulated into control data send the control process unit 22 to and handled. In addition, the transceiver module 21 is after powered up, in working condition always, to receive the finger that the control terminal 10 is sent at any time Order.
The control process unit 22 electrically connect or dedicated radio link described in transceiver module 21, to handle the transceiver module 21 control datas sent.The control process unit 22 electrically connect or dedicated radio link described in time domain waveform monitoring unit 23, for handling the Wave data that the time domain waveform monitoring unit 23 is sent.
In addition, after the control terminal 10 demodulates control data by the transceiver module 21, send at the control Unit 22 is managed, and the controlling switch 24 is output signals to by the control process unit 22, controls the controlling switch 24 The application apparatus 30 is opened or closed.In other words, the controlling switch 24 is under the control of the control process unit 22, The power supply of the application apparatus 30 is controlled.It should be understood that the controlling switch 24 is in the control process unit 22 Control under, the power supply of the lamp device 30A is controlled.
The controlling switch 24 can be embodied as the electronic switch of semiconductor devices, such as FET, controllable silicon, IGCT Deng;Or electromagnetic mechanical controller can be embodied as, such as relay.
It is noted that as shown in figure 1, the 100W lamp device is controlled for the lamp controller 20A The situation of huge current flow impact is born during 30A, wherein can be seen that the lamp device 30A in the great wave caused by moment that is powered Gush electric current.However, lamp device 30A described in identical is entered by the suppression surge current control system of the present utility model Row test, as shown in figure 4, the 100W lamp device 30A is accessed into 220V alternating electromotive forces, break-make is done using the utility model Test, carries out altogether break-make power supply 10 times, and wherein maximum current peak is 4.7A, it is seen that it is very aobvious to suppress surge current effect .Therefore, after using the utility model, controlling the 100W lamp device 30A only needs low-power device can be reliably The lamp device 30A is controlled, and with safety durable, the beneficial effect of small size, eliminates and frequently changes relay or electricity The trouble of sub switch.
It is the time domain waveform of different alternating current peak value and zero crossing as shown in Fig. 5 or 6.The time domain waveform monitoring is single First 23 to monitor whether the time domain waveform of alternating current is in the position of zero crossing, and is reported to the control process unit 22, And under the control of the control process unit 22, make the controlling switch 24 every time action be all in the position of zero crossing, this Rush of current of the sample when starting or closing the application apparatus 30 in circuit just can be minimum.In other words, the controlling switch 24 Avoid opening or closing in peak value, the controlling switch 24 should be opened or close in zero-crossing of alternating current, at this moment surge Electric current is minimum.It should be understood that the control process unit 22 obtains alternating current by the time domain waveform monitoring unit 23 Time domain waveform is in the time of the position of zero crossing, and obtains institute by the transceiver module 21 in the control process unit 22 After the message for stating control terminal 10, controlling switch 24 described in the time control in the time domain waveform position that is in zero crossing of alternating current Started or close the application apparatus 30, so that the application apparatus 30 is not influenceed by surge current.In other words, it is described Whether the time domain waveform of the monitoring alternating current of time domain waveform monitoring unit 23 is in the position of zero crossing, while the control process list Member 22 is reported, and under the control of the control process unit 22, making the controlling switch 24, action is all in zero crossing every time Position, so rush of current when starting or closing the lamp device 30A in circuit just can be minimum, so that the light fixture Device 30A is not influenceed by surge current.
In addition, the controller 20 includes an at least current detecting unit 25, it electrically connects the control process unit 22 With the controlling switch 24, for monitoring the size and situation of change of load current, and carried to the control process unit 22 Power supply flow data, when electric current is excessive, the control process unit 22 triggers the controlling switch 24 and closed immediately, ensures circuit Safety.Further say, the high current signal detected is directly triggered into the control using the current detecting unit 25 and opened Close 24 to close, so when current is excessive, can faster close the controlling switch 24.The utility model does not limit to electric current Detection method.In other words, the lamp controller 20A include at least one thus current detecting unit 25 so as to avoiding the lamp Have device 30A short circuits.
In addition, the controller 20 includes an at least working power module 26, it electrically connects the transceiver module 21, described Control process unit 22, and the controlling switch 24.Further, the working power module 26 is used for the exchange of input High-tension electricity is converted into low-voltage dc power supply, and working power is provided for modules.In other words, the working power module 26 is by height Pressure AC5V-380V alternating current is converted into 3.3V low-voltage direct, thinks the transceiver module 21 and the control process unit 22 power supplies.In other words, the lamp controller 20A includes an at least working power module 26.
As shown in Figure 5 or Figure 6, the voltage of sinusoidal ac is constantly to replace change with current waveform, and waveform is in zero passage The amplitude of position is minimum, that is to say, that minimum in zero crossing, electric current very little, impact.If control the controlling switch 24 connect the power supply of the application apparatus 30 in zero crossing, and the rush of current that the controlling switch 24 is born is very small. Therefore, in order to achieve this, the utility model accurately detects the time of zero-crossing of alternating current by the control process unit 22 Position.In addition, the control process unit 22 accurately triggers the controlling switch 24 and beats on or off in zero-crossing of alternating current Close.So described capacitive load 31 is minimum to the rush of current of the controller 20.Suppression surge current of the present utility model Process is based on this principle.In other words, control the controlling switch 24 and connect the lamp device 30A's in zero crossing Power supply, it is minimum to the rush of current of the lamp controller 20A.
As shown in fig. 7, the current detecting unit 25 includes an at least mutual inductor L1, at least a bridge heap UR, at least one Or two resistance R5, R6.In addition, also can be by the mutual inductor L1, the bridge heap UR, two described resistance R5, R6 and the control Processing unit 22 processed forms the current detecting unit 25 of power supply major loop, wherein the control process unit 22 is responsible for monitoring The size of electric current during loaded work piece.It should be understood by those skilled in the art that each electronic component or electronic die in the utility model The composition classification of group is not absolute, but can be adjusted according to the application and function of reality, and therefore, this is not new for this practicality The limitation of type.
In the present embodiment Fig. 7, the size of alternating current is detected by the mutual inductor L1, and detection numerical value is sent to The control process unit 22 is handled.Certainly among some embodiments, the control process unit 22 can be saved and handle electricity This link of flow valuve, the current detecting unit 25 can also be utilized to close the direct trigger switch of the high current signal detected Close, when current is excessive, can faster closing switch, reaction speed is faster.The utility model does not limit to the detection of electric current Method.In other words, the current detecting unit 25 can be used for short-circuit protection function.
The time domain waveform monitoring unit 23 includes an at least one or three resistance R1-R3 and at least filter capacitor C1, from And give zero-crossing of alternating current information transmission to the control process unit 22.In other words, three resistance R1-R3 and the filter Ripple electric capacity C1 forms the time domain waveform monitoring unit 23, to monitor the time domain waveform of alternating current, and zero crossing information is transmitted To the control process unit 22.
The controlling switch 24 includes at least one or two metal-oxide-semiconductor T1-T2, at least a photoelectrical coupler OC and at least one Resistance R4.Wherein when the photoelectrical coupler OC works can output current to drive the metal-oxide-semiconductor to turn on.It is worth mentioning, The photoelectrical coupler OC operation principles:The interpolar resistance value of right-hand member two is very big under normal conditions so that equivalent to open circuit (equivalent to One photo resistance), transmitting photon causes the electrode resistance of right-hand member two to reduce and turned in the case of being powered at left end the two poles of the earth, and responds Speed is exceedingly fast.The metal-oxide-semiconductor T1-T2 is the two-way switch that semiconductor devices is formed, so that controller described in the utility model 20 It can apply in ac circuit.In addition, if power circuit is direct current, then is with a semiconductor switch device only Can.In addition, the controlling switch 24 can be by the semiconductor devices structure such as FET, controllable silicon, IGCT, pliotron Into.
The working power module 26 gives the power supply of each several part circuit to export DC low-voltage after alternating current is changed.Enter one Step ground, the working power module 26 can be embodied as the switching regulator working power module being made up of LNK603 models.It can manage Solution, the grid power that the controller 20 accesses high pressure AC5V-380V is converted into the low of 3.3V by the LNK603 models Straightening stream, think that the transceiver module 21 and the control process unit 22 are powered.It is it should be understood by those skilled in the art that described LNK603 models demonstration model is used as explanation, and it is not limitation of the present utility model.
The transceiver module 21 can be embodied as the high frequency wireless receiving and dispatching data module being made up of CC115L models.This area It should be understood to the one skilled in the art that CC115L models demonstration model is used as explanation, it is not limitation of the present utility model.Separately Outside, the transceiver module 21 after powered up, in working condition always, to receive the instruction that the control terminal 10 is sent at any time.
The control process unit 22 includes at least one or three input/output port I/O1, I/O2, I/O3, and it is connected respectively The controlling switch 24, the time domain waveform monitoring unit 23, the current detecting unit 25.It is worth mentioning, in the receipts Hair module 21 is not when receiving the instruction that the control terminal 10 is sent, the control process unit 22 in a dormant state, wherein The outputs of first input/output port I/O 1 are low level, and so as to which the photoelectrical coupler OC is not turned on, the control is opened Close 24 and be in cut-off state, therefore, the whole controller 20 is in low-power consumption standby state, waits the finger of the control terminal 10 Make the arrival of signal.In addition, when the control terminal 10 sends director data, the transceiver module 21 (CC115L) receives this and referred to Data are demodulated after order, and data is sent to the control process unit 22 by SPI serial ports and handled, state control process Unit 22 by the data received compared with the data in the memory for having previously been stored in the control process unit 22, If data are identical, it is considered as matching or valid data.
The control process unit 22 relatively finishes data, if Data Matching, starts to start the electric current of alternating current Zero-crossing examination program, the second input/output port I/O2 of the control process unit 22 is according to the change of alternating current time domain waveform Change the time location of detection alternating current time domain waveform zero crossing, when the electric current time domain waveform of alternating current is just at dead-center position When, the first input/output port I/O1 of the control process unit 22 can just export high level, to trigger the photoelectricity coupling Clutch OC works, and the controlling switch 24 is turned on to the load application apparatus 30 and provide electric current.Therefore, the control is opened 24 are closed under the control of the control process unit 22, always just in a cycle of alternating current, in the time domain ripple of electric current Shape is opened or closed just now at the time of being in zero crossing, switch is born the rush of current of minimum, so as to realize suppression capacitive It is supported on the purpose of huge surge current caused by starting.
In addition, the control process unit 22 can be embodied as logic controller (MCU) or central processing unit (CPU), its The purpose of control the utility model or the present embodiment, therefore either logic controller (MCU) or central processing can be reached Device (CPU) is neither limitation of the present utility model.In addition, the controller 20 is accessed into high pressure by the LNK603 models AC5V-380V grid power is converted into 3.3V low-voltage direct, thinks the CC115L models and the logic controller (MCU) power.
In addition, in certain embodiments, in order to further suppress the inrush current shock of capacitive load, the controlling switch 24 can progressively turn on several times under the control of the control process unit 22 in the zero crossing in multiple cycles of alternating current, I.e. described control process unit 22 makes the controlling switch 24 turn on one in each alternating current zero passage with pulse width signal (PWM) It is secondary and progressively fully on after multiple wave periods.It will so be pressed down completely by the surge current of the controlling switch 24 System.For example, a wave period of 50HZ alternating currents is 20ms, it is assumed that all open in the zero crossing in multiple cycles and once switch, And progressively divide with 10%, 50%, 100% dutycycle gradient and open the controlling switch 24 several times, within 120ms time The controlling switch 24 is progressively opened completely, forms an electronic control switch slowly opened.So, powered to capacitive load When, dash current just without.
It should be understood by those skilled in the art that each electronic device shown in Fig. 7 is one kind of operational module composition structure Demonstration example, in the technology implementation process of reality, some modular units can integrate, such as by the control Reason unit 22 integrates with the transceiver module 21.It should be understood that the device model of each circuit module is also to replace Change and combine, or any combination or be packaged into one or more physical units, as long as it can use what the utility model was implemented Method reaches the purpose that surge current accurately suppresses, within scope of protection of the utility model.
It is worth mentioning, the utility model has been illustrated the controller 20 controlled by the control terminal 10 and suppresses wink Between surge current logic flow and system, but in certain embodiments, the controller 20 and non-reception wireless signal comes The application apparatus 30 is controlled, the signal input part of the controller 20 can also be accessed bus control system, with wired Mode sends control instruction to the controller 20 to control the application apparatus 30 by the bus control system.Such as The utility model is accessed into KNX bus systems.Now, the control terminal 10 is accessed into institute of the present utility model in a manner of wired Control process unit 22 is stated, without using the transceiver module 21, can equally realize the effect of Surge suppression.Therefore, this reality With the new reception type and mode for being not limited to signal, as long as the technical scheme disclosed with the utility model, with this reality Implement the starting current of suppression moment with the method with zero passage detection of new description, just belong to the model of the utility model protection Enclose.In other words, the lamp controller 20A not only receives wireless signal to control the lamp device 30A, can also be by institute Lamp controller 20A signal input part access bus control system is stated, is passed through control instruction with wired mode described total Line control system sends the lamp controller 20A to control the lamp device 30A.
As shown in figure 8, according to the present embodiment, the utility model also provides a suppression surge current control method, and it includes Following steps:
(A) after the transceiver module 21 of controller 20 receives the control signal of control terminal 10, the control signal is delivered into control Processing unit 22 processed;
(B) ac signal that the control process unit 22 sends time domain waveform monitoring unit 23 carries out zero crossing inspection Survey;
(C) after the control process unit 22 receives the control signal, the ac signal is detected and in alternating current To controlling switch output signal during zero crossing;And
(D) the 24 controlled unlatching of controlling switch, and connect the capacitive load of application apparatus.
The suppression surge current control method, further comprises following steps:
(E) current value after the detection of current detecting unit 25 of the controller 20 is powered in current supply circuit.
It is worth mentioning, the controller 20 can be embodied as lamp controller 20A, and the application apparatus 30 can be embodied as lamp Has device 30A.
According to step (A), the power end access AC5V-380V grid powers of the controller 20, and by working power mould Block 26 is converted into low-voltage DC, thinks that the transceiver module 21 and the control process unit 22 are powered.
According to step (A), the transceiver module 21 is embodied as the high frequency wireless receiving and dispatching data being made up of CC115L models Module.
According to step (A), the switching regulator that the working power module 26 can be embodied as being made up of LNK603 models works Power module.
According to step (A), the transceiver module 21 of the controller 20 after powered up, in stand-by operation state, with The instruction that the control terminal 10 of outside is sent is received at any time.
According to step (A), when not receiving signal instruction, the control process unit 22 is in the transceiver module 21 Resting state, the outputs of its first input/output port I/O 1 are low level, and the photoelectrical coupler OC of the controlling switch 24 does not have There is conducting, the controlling switch 24 is in cut-off state, so as to which the controller 20 is in low-power consumption standby state, described in wait The control signal of control terminal 10 arrives.
According to step (A), after the transceiver module 21 receives the instruction that the control terminal 10 is sent, the data are carried out Demodulation, and the data are sent to the control process unit 22 by SPI serial ports and handled.
According to step (B), the control process unit 22 is by the data received and has previously been stored in the control Data in the memory of processing unit 22 are compared, if data are identical, are considered as matching or valid data.
According to step (B), the second input/output port I/O 2 of the control process unit 22 is according to alternating current time domain ripple The time location of the change detection alternating current time domain waveform zero crossing of shape, when the electric current time domain waveform of alternating current is just at zero point During position, the first input/output port I/O 1 of the control process unit 22 will export high level, to trigger the light Electric coupler OC works, and the controlling switch 24 is turned on to application apparatus 30 and provides electric current.
According to step (B), the time domain waveform is formed by least one or three resistance R1-R3 and a filter capacitor C1 and monitored Unit 23.
According to step (C), the controlling switch 24 is led under the control of the control process unit 22, in the one of alternating current In the individual cycle, open or close just now at the time of the time domain waveform of electric current is in zero crossing, hold the controlling switch 24 By the rush of current of minimum, suppress capacitive load caused huge surge current on startup so as to realize.
According to step (C), the controlling switch 24 is under the control of the control process unit 22, in the multiple of alternating current The zero crossing in cycle progressively turns on several times, i.e., described control process unit 22 makes the controlling switch with pulse width signal (PWM) 24 turn on once in each alternating current zero passage, and progressively fully on after multiple wave periods.
According to step (D), the controlling switch 24 can be implemented by FET, controllable silicon, IGCT, pliotron Formed Deng semiconductor devices.
According to step (D), by least one or two metal-oxide-semiconductor T1-T2, at least a photoelectrical coupler OC and an at least resistance R4 forms the controlling switch 24.
According to step (E), the high current signal detected is directly triggered the controlling switch 24 by current detecting unit 25 Close, when current is excessive, can faster close the controlling switch 24.
As illustrated in figs. 2-7, it is to suppress surge current control system according to the one of the second preferred embodiment of the present utility model, The controlling switch 24 of wherein the present embodiment is embodied as mechanical relay.
The suppression surge current control system includes a control terminal 10, a controller 20, and an application apparatus 30. Under the control of the control terminal 10, it is responsible for the through and off of control electric power by the controller 20, makes at the application apparatus 30 In controlled state.It is worth mentioning, the controller 20 can be embodied as lamp controller 20A, and the application apparatus 30 can be real Apply as lamp device 30A.In other words, under the control of the control terminal 10, control electricity is responsible for by the lamp controller 20A The through and off of power, the lamp device 30A is set to be in controlled state.That is, the utility model provides one kind by institute The illuminator that control terminal 10, the lamp controller 20A, the lamp device 30A are formed is stated, wherein the light fixture controls Device 20A has the function that to suppress capacitive load in the strong surge current caused by moment that is powered.In addition, work as the lamp device 30A During generation short circuit phenomenon, the lamp controller 20A can also have short-circuit protection function.It is worth mentioning, the suppression surge Current control system is arranged in before the power input of the lamp device 30A, i.e., electric power is powered to the lamp device 30A Loop between, outside the control terminal 10 control signal control under, for the lamp device 30A power.
The controller 20 includes an at least transceiver module 21, at least a control process unit 22, at least a time domain waveform Monitoring unit 23, and an at least controlling switch 24.The transceiver module 21 electrically connects the control process unit 22.The control Processing unit 22 processed electrically connects the controlling switch 24.The time domain waveform monitoring unit 23 electrically connects the control process unit 22 and the controlling switch 24.In addition, the controller 20 includes an at least current detecting unit 25, it electrically connects the control Processing unit 22 and the controlling switch 24, for monitoring the size and situation of change of load current, and at the control Manage unit 22 and current data is provided, the control process unit 22 triggers the controlling switch 24 and closed immediately when electric current is excessive Close, ensure circuit safety.In addition, the controller 20 includes an at least working power module 26, it electrically connects the transmitting-receiving mould Block 21, the control process unit 22, and the controlling switch 24.Further, the working power module 26 is used to incite somebody to action The AC high voltage of input is converted into low-voltage dc power supply, and working power is provided for modules.
Especially, the controlling switch 24 is embodied as electromagnetic mechanical controller, such as relay, the control process list The electrical connection of member 22 controlling switch 24, for measuring the delay time of the controlling switch 24.In other words, at the control Reason unit 22 can measure the contact adhesive delay time of the relay.Further, the control process unit 22 will measure The delay time of the controlling switch 24 arrived writes the memory of the control process unit 22, for calling.It is in addition, described Control process unit 22 can also be made in advance according to the delay time data of the controlling switch 24 controlling switch 24 turn on or Person disconnects.In other words, the control process unit 22 can also according to the delay time data of the relay make in advance after Electrical equipment is switched on or off.
It is worth mentioning, when the controlling switch 24 is relay, an at least transistor driving element is present, in favor of The control process unit driving.If that is, using this switch of the relay, because power consumption is big compared with transistor, The control process unit 22 can not directly may drive, it is therefore desirable to be driven by a triode.Further say, it is described Control process unit 22 gives signal triode → triode amplified signal → driving relay.
In addition, the second preferred embodiment and first preferred embodiment is not both first preferred embodiment using partly leading Body device makees electronic switch, therefore the problem of be not delayed.But the second preferred embodiment uses the relay as the control During system switch 24, there will be inconsistent delay phenomenon.Therefore, each controller 20 must first time be powered when can be accurately automatic Measure the delay time of the relay, and by automatic measurement to delay time be written to the memory of the controller 20 It is central, when so described control process unit 22 sends signal and closes the relay every time afterwards, as long as described in reference The delay time value of the relay among memory, the order of adhesive in advance is provided according to delay time value.Change speech It, each lamp controller 20A must when being powered first time can accurate automatic measurement to the relay delay when Between, and by automatic measurement to delay time be written among the memory of the lamp controller 20A, at so described control When reason unit 22 sends signal and closes the relay every time afterwards, as long as with reference to the relay among the memory The delay time value of device, the order of adhesive in advance is provided according to delay time value.
Using relay as the controlling switch 24 in the suppression surge current control system, it is maximum the problem of be tool The delay time of body to each relay is different, is so difficult to one standard of acquisition, unified control window Time.When the control process unit 22, which obtains zero passage point data, prepares to open the relay, due to the relay magnetic Stagnant influence, the time of each actuating of relay has the difference of 1-10 milliseconds, very inconsistent, the delay of some relays 1ms, some delays 5ms, some delays 8Ms.That is, among with a collection of relay, each relay is inhaled It is inconsistent to close the time.The relay-operating time is inconsistent, can cause the relay can not accurately be in alternating current Mistake zero position adhesive, so as to cause Inrush current restraining to fail.For example, when the delay time of the relay is away from zero crossing During 5ms, the waveform of alternating current is in peak value, and the now relay adhesive can cause huge rush of current, surge current Inhibition falls flat.Therefore it is every further according to what is measured unless doing accurate test to the delay time of each relay The accurate delay time of individual relay starts to act in advance, in the hope of can accurate adhesive in the zero crossing of alternating current.
The control process unit 22 of the present utility model electrically connects the relay, for measuring the relay Delay time.For example, the delay time that the utility model measures a relay automatically is 4ms, then the control Processing unit 22 processed signals to the relay before the waveform of alternating current reaches zero crossing and shifts to an earlier date 4ms adhesives, thus Accurate adhesive when can just make the relay be in zero crossing, so as to reach suppress surge current it is optimal, stably may be used The effect leaned on.
In addition, the control process unit 22 includes at least one memory, so described control process unit 22 will The delay time of the relay measured writes the memory of the control process unit 22, for calling.
It is worth mentioning, voltage and the current waveform of sinusoidal ac are constantly to replace change, and waveform is crossing zero position Amplitude be minimum, that is to say, that in zero crossing, electric current very little, impact is minimum.If control the controlling switch 24 to exist Zero crossing connects the power supply of the application apparatus 30, and the rush of current that the controlling switch 24 is born is very small.Therefore, In order to achieve this, the utility model accurately detects the time location of zero-crossing of alternating current by the control process unit 22. In addition, the control process unit 22 accurately triggers the controlling switch 24 and opens or close in zero-crossing of alternating current.This Capacitive load 31 described in sample is minimum to the rush of current of the controller 20.The process of the present utility model for suppressing surge current is just It is to be based on this principle.
But want to obtain good Inrush current restraining effect the control institute, it is necessary to fast reaction using this principle Controlling switch 24 is stated, is preferably no delay, if being used as the controlling switch 24 using the relay, according to existing skill Art, inhibition is by less stable, it is difficult to reaches best effect, even without effect.Reason is that the relay is electricity Magnetic device, has a hysteresis, and reaction speed is slow.Due to the coil-winding technogenic influence of the relay, make the inductance of coil Measure inconsistent, cause the magnetic hysteresis time of each relay different, differ about 1-10ms.Therefore, the relay time-delay characteristics Inconsistency, be the 10ms times in the half-wave of alternating current, if the relay time delay inaccurately control would not Accurate actuation time is obtained, the relay is difficult in the accurate adhesive of zero crossing or release.Thus, using the relay Some additional steps are needed to realize that otherwise effect is undesirable to do the controlling switch 24 of zero crossing.
As shown in figure 9, according to the present embodiment, the utility model also provides a suppression surge current control method, and it includes Following steps:
(A) after the transceiver module 21 of controller 20 receives the control signal of control terminal 10, the control signal is delivered into control Processing unit 22 processed;
(B) ac signal that the control process unit 22 sends time domain waveform monitoring unit 23 carries out zero crossing inspection Survey;
(C) after the control process unit 22 receives the control signal, the ac signal is detected and in alternating current To controlling switch output signal during zero crossing;And
(D) the 24 controlled unlatching of controlling switch, and connect the capacitive load of application apparatus.
The suppression surge current control method, further comprises following steps:
(E) current value after the detection of current detecting unit 25 of the controller 20 is powered in current supply circuit.
It is worth mentioning, the controller 20 can be embodied as lamp controller 20A, and the application apparatus 30 can be embodied as lamp Has device 30A.
According to step (A), the power end access AC5V-380V grid powers of the controller 20, and by working power mould Block 26 is converted into low-voltage DC, thinks that the transceiver module 21 and the control process unit 22 are powered.
According to step (A), the transceiver module 21 can be embodied as the high frequency wireless receiving and dispatching number being made up of CC115L models According to module.
According to step (A), the switching regulator that the working power module 26 can be embodied as being made up of LNK603 models works Power module.
According to step (A), the transceiver module 21 of the controller 20 after powered up, in stand-by operation state, with The instruction that the control terminal 10 of outside is sent is received at any time.
According to step (A), when not receiving signal instruction, the control process unit 22 is in the transceiver module 21 Resting state, the outputs of its first input/output port I/O 1 are low level, and the photoelectrical coupler OC of the controlling switch 24 does not have There is conducting, the controlling switch 24 is in cut-off state, so as to which the controller 20 is in low-power consumption standby state, described in wait The control signal of control terminal 10 arrives.
According to step (A), after the transceiver module 21 receives the instruction that the control terminal 10 is sent, the data are carried out Demodulation, and the data are sent to the control process unit 22 by SPI serial ports and handled.
According to step (B), the control process unit 22 is by the data received and has previously been stored in the control Data in the memory of processing unit 22 are compared, if data are identical, are considered as matching or valid data.
According to step (B), the second input/output port I/O 2 of the control process unit 22 is according to alternating current time domain ripple The time location of the change detection alternating current time domain waveform zero crossing of shape, when the electric current time domain waveform of alternating current is just at zero point During position, the first input/output port I/O 1 of the control process unit 22 will export high level, to trigger the light Electric coupler OC works, and the controlling switch 24 is turned on to application apparatus 30 and provides electric current.
According to step (B), the time domain waveform is formed by least one or three resistance R1-R3 and filter capacitor C1 and monitors list Member 23.
According to step (C), the controlling switch 24 is led under the control of the control process unit 22, in the one of alternating current In the individual cycle, open or close just now at the time of the time domain waveform of electric current is in zero crossing, hold the controlling switch 24 By the rush of current of minimum, suppress capacitive load caused huge surge current on startup so as to realize.
According to step (C), the controlling switch 24 is under the control of the control process unit 22, in the multiple of alternating current The zero crossing in cycle progressively turns on several times, i.e., described control process unit 22 makes the controlling switch with pulse width signal (PWM) 24 turn on once in each alternating current zero passage, and progressively fully on after multiple wave periods.
According to step (D), the controlling switch 24 is embodied as electromagnetic mechanical controller, such as relay.
According to step (E), the high current signal detected is directly triggered the control and opened by the current detecting unit 25 Close 24 to close, when current is excessive, can faster close the controlling switch 24.
According to step (E), the time of the actual adhesive of the relay contact is sent to the control process unit 22.
According to step (E), the control process unit 22 by send signal time and the relay contact it is actual Pickup time does comparing calculation, draws the actual delay time of the relay.
According to step (E), delay time is write memory by the control process unit 22, in case the control process list Member 22 is called at any time.
According to step (E), the control process unit 22 sends closure according to the delay time of the relay and referred in advance Order, makes the relay switch on power in the accurate adhesive of zero-crossing of alternating current, so as to which the surge current of exempting from for keeping away huge produces.
There is an important measure in this embodiment, be exactly without allowing the relay to be powered as conventional use Random natural adhesive, but after the delay time of the relay actually measured according to the control process unit 22, carry Preceding signalling makes the relay accurately in zero crossing adhesive.Therefore, the utility model solves any relay contact of tradition The problem of pickup time is inconsistent.The contact adhesive delay time of any relay is also measured data by the utility model And write in memory, when the controller 20 is powered and powered off every time under the control of the control terminal 10, by described Control process unit 22 calls the delay time data for prohibiting relay, is shifted to an earlier date according to control process unit 22 described in the delay time Signal and trigger the accurate adhesive of relay and accurate release.
It is worth mentioning, the utility model has been illustrated the controller 20 controlled by the control terminal 10 and suppresses wink Between surge current logic flow and system, but in certain embodiments, the controller 20 and non-reception wireless signal comes The application apparatus 30 is controlled, the signal input part of the controller 20 can also be accessed bus control system, with wired Mode sends control instruction to the controller 20 to control the application apparatus 30 by the bus control system.Such as The utility model is accessed into KNX bus systems.Now, the control terminal 10 is accessed into institute of the present utility model in a manner of wired Control process unit 22 is stated, without using the transceiver module 21, can equally realize the effect of Surge suppression.Therefore, this reality With the new reception type and mode for being not limited to signal, as long as the technical scheme disclosed with the utility model, with this reality Implement the starting current of suppression moment with the method with zero passage detection of new description, just belong to the model of the utility model protection Enclose.
It is to suppress surge current control according to the one of third preferred embodiment of the present utility model as shown in Fig. 3 and Figure 10-12 Device 200 processed, wherein being arranged between electric power and the power input of application apparatus, pass through the suppression surge current in electric power It is controlled to be powered to the application apparatus 30 under the manipulation of control terminal 10 after control device 200.Further, the application Device 30 can be embodied as lamp device 30A, it is possible to understand that, the suppression surge current control device 20A be arranged in electric power with Between the power input of the lamp device 30A, to be opened in the manipulation of the control signal the lamp device 30A Close, light modulation, the function control of toning, and when making electric power output to the lamp device 30A, no surge current is to the lamp Tool device 30A is damaged.In addition, be worth mentioning, the suppression surge current control device 20A is applicable to any type Light fixture or LED lamp.
The suppression surge current control device 200 includes a substrate 201, a housing 202, a transceiver module 21, a control Processing unit 22 processed, a controlling switch 24, and a working power module 26.The transceiver module 21 is electric by the control terminal 10 Property sends the control process unit 22 to, then controls the controlling switch 24 by the control process unit 22, and always exists The controlling switch 24 is set to open or close when alternating current is just at zero crossing, to suppress the impact of surge current.It is described Control process unit 22 electrically connect or dedicated radio link described in transceiver module 21, to handle described in the transceiver module 21 sends Control data.The working power module 26 be electrically connected at modules and for modules provide needed for operating voltage and Electric current.Further say, high pressure AC5V-380V alternating current is converted into 3.3V low-pressure direct by the working power module 26 Stream, thinks that the transceiver module 21 and the control process unit 22 are powered.In addition, the suppression surge current control device 200 also include an input 203 and an output end 204, wherein the input 203 connects electric power or alternating current or direct current, The output end 204 is connected to the lamp device 30A.After so by the inputing power of input 203, then by described The output loading electric energy of output end 204 is to the lamp device 30A.What the output end 204 exported is to continue electric energy or output For turnable pulse width signal (pwm signal).In addition, the output end 204 is connected in addition to connecting the lamp device 30A, may be used also For connecting other loads, such as LED lamp, or other capacitives, perception, resistive load.
The transceiver module 21, the control process unit 22, the controlling switch 24, the working power module 26, The input 203 and the output end 204 are arranged in the substrate 201, and are electrical connected.The substrate 201, the receipts Send out module 21, the control process unit 22, the controlling switch 24, the working power module 26, the input 203 with And the output end 204 is housed inside the housing 202.
In addition, the transceiver module 21 is signal input port, can two-way operation.In other words, the transceiver module 21 can receive And the control terminal 10 is sent, and the control terminal 10 demodulated into control data send the control process unit 22 to and carry out Processing.In addition, the transceiver module 21 can also give status information feedback of the present utility model to the control terminal 10.In addition, institute Transceiver module 21 is stated after powered up, in working condition always, to receive the instruction that the control terminal 10 is sent at any time.Further Ground is said, after the control terminal 10 demodulates control data by the transceiver module 21, sends the control process unit 22 to, And the controlling switch 24 is output signals to by the control process unit 22, make the controlling switch 24 control the application to fill Put 30 openings or closing.In addition, the controlling switch 24 can be embodied as the electronic switch of semiconductor devices, such as field-effect Pipe, controllable silicon, IGCT etc.;Or electromagnetic mechanical controller can be embodied as, such as relay, contactor.
In addition, the suppression surge current control device 200 includes an at least time domain waveform monitoring unit 23, it is electrically connected The control process unit 22, for the time domain waveform data of monitoring.The time domain waveform monitoring unit 23 is handed over to monitor Whether the time domain waveform for flowing electricity is in the position of zero crossing, and is reported to the control process unit 22, and at the control Under the control for managing unit 22, making the controlling switch 24, action is all in the position of zero crossing every time, is so starting or is closing The rush of current during application apparatus 30 in circuit just can be minimum.
In addition, the controller 20 includes an at least current detecting unit 25, it electrically connects the control process unit 22 With the controlling switch 24, for monitoring the size and situation of change of load current, and carried to the control process unit 22 Power supply flow data, when electric current is excessive, the control process unit 22 triggers the controlling switch 24 and closed immediately, ensures circuit Safety.It is worth mentioning, when the load current increase of the output end 204, the current detecting unit 25 triggers the control Processing unit 22 processed closes the controlling switch 24, or can trigger the controlling switch 24 by the current detecting unit 252 Directly close.The current detecting unit 25 triggers the controlling switch 24 and directly closed than triggering the control process unit 22 The speed for closing the controlling switch 24 is more quicker.
It is worth mentioning, when the controlling switch 24 is embodied as electromagnetic mechanical controller, such as relay, due to described The influence of relay magnetic hysteresis, the time of each actuating of relay have the difference of 1-10 milliseconds.That is, with a collection of Among the relay, each relay-operating time is inconsistent.Therefore, the control process unit 22 is included extremely A few memory.So described control process unit 22 can write the delay time of the controlling switch 24 measured The memory of the control process unit 22, for calling.Especially, when triggering the action of controlling switch 24 every time, according to The automatic advance operation of delay time value of storage, the controlling switch 24 is opened and closed just in zero crossing position, make to flow through described The dash current value of controlling switch 24 is minimum.In addition, it is stored with the control in the memory of the control process unit 22 The id information at end 10 processed.The control process unit 22 has matching function, can be formed between the control terminal 10 and match pass System, so as to be controlled by the manipulation instruction of the control terminal 10.Therefore, the suppression surge current control device 200 is also included extremely A few pairing button device 205, the matching for implementing and between the control process unit 22 and the control terminal 10 are closed System.
The substrate 201 includes a circuit layer 2011, an insulating barrier 2012, and a substrate 2013, wherein the insulation Layer 2012 is between the circuit layer 2011 and the substrate 2013.In other words, the circuit layer 2011, the insulating barrier 2012 and the substrate 2013 repeatedly into sandwich structure.The transceiver module 21, the control process unit 22, the control are opened 24 are closed, and the grade electronic component of the working power module 26 is welded in circuit layer 2011.The substrate 2013 is metal material, Such as aluminium and copper, the circuit that can be worked both was formed when each electronic component so being welded in into the circuit layer 2011, and can utilizes The substrate 2013 radiates, and reduces high temperature during switch, eliminates the numerous and diverse process and expense for installing radiator additional, makes circuit Work is more reliable and more stable, if without this effect of heat dissipation metal, the switch of semiconductor is easily damaged.In addition, the control Switch 24 is welded in the circuit layer 2011 of the substrate 201, can also be screwed in the electricity of the substrate 201 Road floor 2011, while radiated using the substrate 2013 of the substrate 201.Especially, the controlling switch 24 can also be Abut and be fixed on a metallic plate, and be that controlling switch 24 radiates using the metallic plate.
In addition, the suppression surge current control device 200 is used to receiving the control terminal 10 with to the application apparatus 30 power supplies.The control terminal 10 is the bus signals or level of the radiofrequency signal, optical signal and the wire transmission that are wirelessly transferred Control signal.Further say, the utility model can be by various standard wireless communication protocol integrated test systems, such as WIFI, ZigBee, Z- Wave, Bluetooth, and network system (the MESH grid networks or WLAN) control that wireless communication protocol is formed System, and controlled by high in the clouds and mobile terminal.
The housing 202 includes a drain pan 2021 and a lid shell 2022, and each electronic component is arranged at the substrate 201 Afterwards, it is positioned over the drain pan 2021.I.e. described drain pan 2021 is used to support each electronic component for including the substrate 201.It is described Lid shell 2022 is arranged at the drain pan 2021 to protect each electronic component for including the substrate 201.In addition, the housing 202 A magnetic element 2023 is may also include, it is arranged at the drain pan 2021, has to suppress surge current control device 200 this described There is magnetic attraction function, can very easily adsorb on various application apparatus 30, seem the lamp device 30A, in favor of quick Mounting arrangements, eliminate numerous and diverse step of lock screw.
In addition, when the controlling switch 24 of the present embodiment is using semiconductor devices, wherein circuit theory can be such as Fig. 7 institutes Show, the current detecting unit 25 includes an at least mutual inductor L1, at least a bridge heap UR, at least one or two resistance R5, R6.Separately Outside, can be also made up of the mutual inductor L1, the bridge heap UR, two described resistance R5, R6 and the control process unit 22 The current detecting unit 25 of power supply major loop, wherein the control process unit 22 is responsible for electric current during monitoring loaded work piece Size.It should be understood by those skilled in the art that the composition classification of each electronic component or electronics module in the utility model is not Definitely, but can be adjusted according to the application and function of reality, therefore, this is not limitation of the present utility model.
In the present embodiment Fig. 7, the size of alternating current is detected by the mutual inductor L1, and detection numerical value is sent to The control process unit 22 is handled.Certainly among some embodiments, the control process unit 22 can be saved and handle electricity This link of flow valuve, the current detecting unit 25 can also be utilized to close the direct trigger switch of the high current signal detected Close, when current is excessive, can faster closing switch, reaction speed is faster.The utility model does not limit to the detection of electric current Method.In other words, the current detecting unit 25 can be used for short-circuit protection function.
The time domain waveform monitoring unit 23 includes an at least one or three resistance R1-R3 and at least filter capacitor C1, from And give zero-crossing of alternating current information transmission to the control process unit 22.In other words, three resistance R1-R3 and the filter Ripple electric capacity C1 forms the time domain waveform monitoring unit 23, to monitor the time domain waveform of alternating current, and zero crossing information is transmitted To the control process unit 22.
The controlling switch 24 includes at least one or two metal-oxide-semiconductor T1-T2, at least a photoelectrical coupler OC and at least one Resistance R4.Wherein when the photoelectrical coupler OC works can output current to drive the metal-oxide-semiconductor to turn on.It is worth mentioning, The photoelectrical coupler OC operation principles:The interpolar resistance value of right-hand member two is very big under normal conditions so that equivalent to open circuit (equivalent to One photo resistance), transmitting photon causes the electrode resistance of right-hand member two to reduce and turned in the case of being powered at left end the two poles of the earth, and responds Speed is exceedingly fast.The metal-oxide-semiconductor T1-T2 is the two-way switch that semiconductor devices is formed, so that controller described in the utility model 20 It can apply in ac circuit.In addition, if power circuit is direct current, then is with a semiconductor switch device only Can.In addition, the controlling switch 24 can be by the semiconductor devices structure such as FET, controllable silicon, IGCT, pliotron Into.
The working power module 26 gives the power supply of each several part circuit to export DC low-voltage after alternating current is changed.Enter one Step ground, the working power module 26 can be embodied as the switching regulator working power module being made up of LNK603 models.It can manage Solution, the grid power that the controller 20 accesses high pressure AC5V-380V is converted into the low of 3.3V by the LNK603 models Straightening stream, think that the transceiver module 21 and the control process unit 22 are powered.It is it should be understood by those skilled in the art that described LNK603 models demonstration model is used as explanation, and it is not limitation of the present utility model.
The transceiver module 21 can be embodied as the high frequency wireless receiving and dispatching data module being made up of CC115L models.This area It should be understood to the one skilled in the art that CC115L models demonstration model is used as explanation, it is not limitation of the present utility model.Separately Outside, the transceiver module 21 after powered up, in working condition always, to receive the instruction that the control terminal 10 is sent at any time.
The control process unit 22 includes at least one or three input/output port I/O1, I/O2, I/O3, and it is connected respectively The controlling switch 24, the time domain waveform monitoring unit 23, the current detecting unit 25.It is worth mentioning, in the receipts Hair module 21 is not when receiving the instruction that the control terminal 10 is sent, the control process unit 22 in a dormant state, wherein The outputs of first input/output port I/O 1 are low level, and so as to which the photoelectrical coupler OC is not turned on, the control is opened Close 24 and be in cut-off state, therefore, the whole controller 20 is in low-power consumption standby state, waits the finger of the control terminal 10 Make the arrival of signal.In addition, when the control terminal 10 sends director data, the transceiver module 21 (CC115L) receives this and referred to Data are demodulated after order, and data is sent to the control process unit 22 by SPI serial ports and handled, state control process Unit 22 by the data received compared with the data in the memory for having previously been stored in the control process unit 22, If data are identical, it is considered as matching or valid data.
The control process unit 22 relatively finishes data, if Data Matching, starts to start the electric current of alternating current Zero-crossing examination program, the second input/output port I/O2 of the control process unit 22 is according to the change of alternating current time domain waveform Change the time location of detection alternating current time domain waveform zero crossing, when the electric current time domain waveform of alternating current is just at dead-center position When, the first input/output port I/O1 of the control process unit 22 can just export high level, to trigger the photoelectricity coupling Clutch OC works, and the controlling switch 24 is turned on to the load application apparatus 30 and provide electric current.Therefore, the control is opened 24 are closed under the control of the control process unit 22, always just in a cycle of alternating current, in the time domain ripple of electric current Shape is opened or closed just now at the time of being in zero crossing, switch is born the rush of current of minimum, so as to realize suppression capacitive It is supported on the purpose of huge surge current caused by starting.
In addition, the control process unit 22 can be embodied as logic controller (MCU) or central processing unit (CPU), its The purpose of control the utility model or the present embodiment, therefore either logic controller (MCU) or central processing can be reached Device (CPU) is neither limitation of the present utility model.In addition, the controller 20 is accessed into high pressure by the LNK603 models AC5V-380V grid power is converted into 3.3V low-voltage direct, thinks the CC115L models and the logic controller (MCU) power.
It should be understood by those skilled in the art that each electronic device shown in Fig. 7 is one kind of operational module composition structure Demonstration example, in the technology implementation process of reality, some modular units can integrate, such as by the control Reason unit 22 integrates with the transceiver module 21.It should be understood that the device model of each circuit module is also to replace Change and combine, or any combination or be packaged into one or more physical units, as long as it can use what the utility model was implemented Method reaches the purpose that surge current accurately suppresses, within scope of protection of the utility model.
It should be understood by those skilled in the art that the embodiment of the present utility model shown in foregoing description and accompanying drawing is only used as Illustrate and be not intended to limit the utility model.The purpose of this utility model completely and effectively realizes.Work(of the present utility model Energy and structural principle show and illustrated in embodiment, under without departing from the principle, embodiment of the present utility model Can there are any deformation or modification.

Claims (15)

1. one suppresses the control device of surge current, it is arranged between externally fed circuit and application apparatus, with control terminal Control signal manipulation under to the application apparatus power, it is characterised in that including:
An at least substrate, a transceiver module, a control process unit, a controlling switch, and a working power module, wherein institute Transceiver module is stated, the control process unit, the controlling switch, the working power module is arranged in described with being electrical connected Substrate, wherein the working power module provides required operating voltage and electric current, institute for the module of each electric connection State transceiver module to receive the control signal and be electrically transferred to the control process unit, the control process unit is in exchange The controlling switch is set to open or close when electricity is just at zero crossing, to suppress the impact of surge current.
2. suppress surge current control device according to claim 1, including an at least time domain waveform monitoring unit, its The control process unit is electrically connected, for monitoring the time domain waveform data of alternating current and being returned to the control process unit Report, so that the controlling switch each action under the control of the control process unit is all in the position of zero crossing, so as to Rush of current when starting or closing the application apparatus in circuit is minimum.
3. suppressing surge current control device according to claim 2, including an input and an output end, it is distinguished The substrate is arranged in, wherein the input connects the externally fed circuit, the output end is connected to the application dress Put, so by the input inputing power after, output end output continues electric energy or pulse width signal to the application fills Put.
4. suppress surge current control device according to claim 3, wherein the controller includes an at least current detecting Unit, it electrically connects the control process unit and the controlling switch, for monitoring the size of load current and change feelings Condition, and trigger the controlling switch immediately when electric current is excessive and close, wherein the electric current of the externally fed circuit is embodied as handing over Stream electricity or direct current.
5. suppress surge current control device according to claim 4, wherein the controlling switch is abutted and is fixed on described Substrate, and heat is distributed to reduce operating temperature by the substrate, wherein the substrate includes a circuit layer, an insulating barrier, And a substrate, wherein the insulating barrier is between the circuit layer and the substrate, the substrate be aluminum or it is copper or It is made beneficial to the material of radiating, wherein the transceiver module, the control process unit, the controlling switch, and the work Circuit layer is welded in as power module, to form operating circuit and by the substrate radiating and cooling.
6. suppress surge current control device according to claim 4, wherein the power end access AC5V- of the controller 380V grid powers, and low-voltage DC is converted into by the working power module, think the transceiver module and the control Processing unit power supply processed, wherein the controller is installed in the inside or outside of the application apparatus, and is electrically connected with institute State the power supply of application apparatus and the externally fed circuit.
7. suppress surge current control device according to claim 4, wherein the current detecting unit includes what is be connected One mutual inductor, Yi Qiaodui, two resistance, so as to send the size of the electric current of monitoring to the control process unit, wherein institute Controlling switch is stated by least electronic switch being connected with each other, photoelectrical coupler composition.
8. suppress surge current control device according to claim 5, wherein the controlling switch is embodied as selecting free field to imitate The group that Ying Guan, controllable silicon, IGCT, pliotron or semiconductor devices are formed, wherein the controlling switch is connected to Heat abstractor.
9. suppress surge current control device according to claim 5, wherein the controlling switch is embodied as being selected from by relay The group that device, contactor or electromagnetic mechanical controller are formed.
10. suppress surge current control device according to claim 9, wherein the control process unit is deposited including at least one Reservoir, it is stored with the id information of the control terminal, and for writing the delay time of the controlling switch, so in triggering institute When stating controlling switch action, according to the automatic advance operation of delay time value of storage, make the controlling switch just in zero crossing Position is opened and closed, and makes the dash current value for flowing through the controlling switch minimum.
11. suppress surge current control device according to claim 10, wherein the transceiver module is embodied as wire transmission The logic module or high frequency wireless receiving and dispatching data module of data, wherein the time domain of voltage or electric current in the externally fed circuit When waveform is in zero crossing position, level signal or pulsewidth (PWM) that the controlling switch is exported by the control process unit Signal is controlled.
12. suppress surge current control device according to claim 5, wherein the control process unit has pairing work( Can, matching relationship is formed between the control terminal, so as to be controlled by the manipulation instruction of the control terminal, wherein the suppression Surge current control device also includes an at least pairing button device, and it is arranged at the substrate, for implementing the control Matching relationship between processing unit and the control terminal.
13. suppressing surge current control device according to claim 12, it is by standard wireless communication agreement and various penetrates Frequently, infrared communication protocol control, the standard wireless communication agreement system be selected from by WIFI, ZigBee, Z-Wave, Bluetooth, The group that MESH grid networks or WLAN are formed.
14. suppress surge current control device according to claim 12, including a housing, it includes a drain pan, one Lid shell, and a magnetic element, wherein the magnetic element is arranged at the drain pan, so that the suppression surge current control dress Put with magnetic attraction function, wherein the lid shell is arranged at the drain pan, with protection setting in each electronic component of the substrate.
15. suppress surge current control device according to claim 12, wherein the transceiver module is not receiving signal During instruction, the control process unit makes the controller be in power save mode, and the output of its first input/output port is low electricity It is flat, and the photoelectrical coupler of the controlling switch does not work, the controlling switch is in cut-off state, so as to the controller In low-power consumption standby state, the arrival of the control signal is waited, wherein the second input/output of the control process unit Port according to alternating current time domain waveform change detect alternating current time domain waveform zero crossing time location, when alternating current electric current or When voltage time domain waveform is just at dead-center position, the first input/output port of the control process unit will export height Level, worked with triggering the photoelectrical coupler, the controlling switch is turned on to application apparatus and electric current is provided.
CN201720665296.8U 2017-06-08 2017-06-08 Suppress the control device of surge current Active CN207010220U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636923A (en) * 2017-06-08 2018-01-26 刘远芳 Suppress the control system and device and its application process of surge current
CN109084446A (en) * 2018-08-23 2018-12-25 奥克斯空调股份有限公司 A kind of air conditioning control method, device and air conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107636923A (en) * 2017-06-08 2018-01-26 刘远芳 Suppress the control system and device and its application process of surge current
CN109084446A (en) * 2018-08-23 2018-12-25 奥克斯空调股份有限公司 A kind of air conditioning control method, device and air conditioner
CN109084446B (en) * 2018-08-23 2019-09-13 奥克斯空调股份有限公司 A kind of air conditioning control method, device and air conditioner

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