CN208937942U - Time switching device and timing system - Google Patents
Time switching device and timing system Download PDFInfo
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- CN208937942U CN208937942U CN201821293927.9U CN201821293927U CN208937942U CN 208937942 U CN208937942 U CN 208937942U CN 201821293927 U CN201821293927 U CN 201821293927U CN 208937942 U CN208937942 U CN 208937942U
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Abstract
The utility model provides a kind of time switching device and timing system；Wherein, at the both ends of firewire, which includes sequentially connected power supply, timing controller, switch driving circuit and switch for the device and load in series；Power supply and switch are connected with load respectively；Power supply is used to power to timing controller and switch driving circuit；Timing controller exports trigger signal for receiving time-of-the-day order；The switch is opened or closed for receiving trigger signal in switch driving circuit.The utility model reduces the power of time switching device consumption, improves efficiency and improves anti-interference ability.
Description
Technical field
The utility model relates to time switch technical fields, more particularly, to a kind of time switching device and timing system.
Background technique
In intelligent home control system, the power supply mode of domestic electric appliances controller, which generally requires, needs zero curve and firewire, new clothes
The user repaired can solve this problem by wiring, but for renovated user, an only firewire reaches control
Device processed, in face of will be unable to normal use when this user, then single firewire switch comes into being.Certain household electrical appliances need to carry out
Timing controlled, the power that existing list firewire timing control device consumes in circuit is larger, and control efficiency is low, anti-interference energy
Power is poor.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of time switching device and timing system, it is fixed to reduce
When the power that consumes in circuit of switching device, improve control efficiency and simultaneously promote anti-interference ability.
In a first aspect, the utility model embodiment provides a kind of time switching device, the device and load in series are in fire
The both ends of line, the device include sequentially connected power supply, timing controller, switch driving circuit and switch；Power supply and switch point
It is not connected with load；Power supply is used to power to timing controller and switch driving circuit；Timing controller periodically refers to for receiving
It enables, exports trigger signal；The switch is opened or closed for receiving trigger signal in switch driving circuit.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, above-mentioned power supply includes sequentially connected RCC Switching Power Supply, voltage regulator circuit and charging circuit；RCC Switching Power Supply will be for that will switch
When disconnection, the electric current in circuit is converted into voltage；Voltage regulator circuit is used to carry out steady pressure treatment to voltage；Charging circuit is for saving
Electric energy.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, above-mentioned timing controller includes control chip, key and display unit；Display unit includes indicator light and/or display screen；It presses
Key is used for user's incoming timing time；It controls chip to be used for when reaching timing, exports trigger signal；Display unit is used for
Show timing.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, above-mentioned control chip includes singlechip chip or dsp chip.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, above-mentioned timing controller further includes wireless communication unit；The wireless communication unit is for receiving timing.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, above-mentioned switch includes bidirectional triode thyristor.
The 5th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Six kinds of possible embodiments, wherein above-mentioned switch driving circuit includes sequentially connected master control trigger unit, photoelectrical coupler
And anti-tampering driving unit；The master control trigger unit is for receiving trigger signal；The photoelectrical coupler is for adding trigger signal
It is downloaded to the control electrode of bidirectional triode thyristor；The anti-tampering driving unit is used to inhibit the interference in switch driving circuit.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, above-mentioned apparatus further includes shell；Deployment device is provided on the shell；Deployment device is drawn for fixation by switch ends
Conducting wire.
The 7th kind of possible embodiment with reference to first aspect, the utility model embodiment provide the of first aspect
Eight kinds of possible embodiments, wherein above-mentioned apparatus further includes pedestal；Above-mentioned shell is fixed on the base.
Second aspect, the utility model embodiment also provide a kind of timing system, including above-mentioned time switching device, load
And firewire.
The utility model embodiment bring it is following the utility model has the advantages that
The utility model embodiment provides a kind of time switching device and timing system；By power supply to timing controller
And switch driving circuit power supply；Time-of-the-day order is received by timing controller, and exports trigger signal；Pass through switch driving circuit
Trigger signal is received, switch is opened or closed；Which reduces the power of time switching device consumption, improves efficiency and mentions
Anti-interference ability is risen.
Other feature and advantage of the utility model will illustrate in the following description, alternatively, Partial Feature and advantage
Can deduce from specification or unambiguously determine, or the above-mentioned technology by implementing the utility model it can be learnt that.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, better embodiment is cited below particularly,
And cooperate appended attached drawing, it is described in detail below.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of time switching device provided by the embodiment of the utility model；
Fig. 2 is the circuit diagram of power supply in another time switching device provided by the embodiment of the utility model；
Fig. 3 is in another time switching device provided by the embodiment of the utility model, and the work of timing controller is illustrated
Figure；
Fig. 4 is the circuit diagram of switch driving circuit in another time switching device provided by the embodiment of the utility model；
Fig. 5 is the connection signal of traditional in-wall time switch provided by the embodiment of the utility model and load, firewire
Figure；
Fig. 6 is the connection schematic diagram of another time switch and load, firewire provided by the embodiment of the utility model；
Fig. 7 is a kind of structural schematic diagram of timing system provided by the embodiment of the utility model.
Specific embodiment
To keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model a part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of creative work.
Currently, the power of existing time switching device consumption is larger, low efficiency, and anti-interference ability is poor, is based on this,
The utility model embodiment provides a kind of time switching device and timing system, can be applied to the timing controlled of household electrical appliance
And other.
To be filled to a kind of time switch disclosed in the utility model embodiment first convenient for understanding the present embodiment
It sets and describes in detail.
A kind of structural schematic diagram of time switching device shown in Figure 1, the device and load in series are the two of firewire
End, which includes sequentially connected power supply 100, timing controller 110, switch driving circuit 120 and switch 130；Power supply and
Switch is connected with load respectively；Power supply 100 is used to power to timing controller 110 and switch driving circuit 120；Timing controller
110, for receiving time-of-the-day order, export trigger signal；This is opened or closed for receiving trigger signal in switch driving circuit 120
Switch 130.
Above-mentioned power supply can be the battery of timing replacement, or including conversion circuit, accumulator and voltage regulator circuit
Rechargable power supplies.Since the device and load in series are at the both ends of firewire, and the power supply of the device and switch respectively with load
And firewire connection passes through one end of firewire, load and power supply there are electric current in circuit and flows into firewire when switching disconnection
The other end；To save the energy, can by conversion circuit by the current storage in accumulator, carried out using voltage regulator circuit steady
Pressure, to provide relatively stable voltage for timing controller and switch driving circuit.
Above-mentioned timing controller may include timer chip and auxiliary circuit；The timer chip can be single-chip microcontroller core
Piece or DSP (Digital Signal Processing, Digital Signal Processing) chip, are mainly used for defeated according to setting time
Trigger signal is out with the on-off of control switch.The timing control module can also include key or wireless communication module, user
Can be by key-press input setting time, or the mobile terminal by connecting with wireless communication module inputs setting time；This is fixed
When control module can also include display and indicator light, for show now switch status and setting time correlation ginseng
Number, such as the time difference of current time and setting time.
Above-mentioned switch can be relay, switching transistor or reverse-blocking tetrode thyristor etc..According to the type of switch, using correspondence
Switch driving circuit, such as relay drive circuit, switching transistor driving circuit or controllable silicon drive circuit, to receive
To after trigger signal, the on-off of respective switch is controlled.The switch driving circuit can also include protection location and anti-interference unit
Deng, with it is split put into row protection and it is anti-interference.
The utility model embodiment provides a kind of time switching device；Timing controller and switch are driven by power supply
Circuit power supply；Time-of-the-day order is received by timing controller, and exports trigger signal；Triggering letter is received by switch driving circuit
Number, switch is opened or closed；Which reduces the power of time switching device consumption, improves efficiency and improves anti-interference
Ability.
The utility model embodiment additionally provides another time switching device, the base of device device shown in Fig. 1
It is realized on plinth；The device includes power supply, timing controller, switch driving circuit and the switch of connection；Wherein, power supply includes successively
RCC Switching Power Supply, voltage regulator circuit and the charging circuit of connection；Timing controller includes control chip, key and display unit；It is aobvious
Show that unit can be indicator light, or display screen, or both have concurrently；The control chip can be singlechip chip or DSP
Chip；Switch is bidirectional triode thyristor；Switch driving circuit includes sequentially connected master control trigger unit, photoelectrical coupler and prevents dry
Disturb driving unit.
Specifically, the circuit diagram of above-mentioned power supply is as shown in Fig. 2, include as fuse FUSE1, the temperature control for protecting component
System switch, as stability/reliability component thermistor thermistor NTC1, rectifier bridge B1 and electricity as rectifying part
Capacitor E1 is solved, RDC (Resistance Capacitance Diode, the capacitance-resistance being made of capacitor C1, resistance R1, diode D1
Diode) buffer circuit, as the high frequency transformer T1 of power supply converting member, IC1 chip (core as RCC circuit control
The model of piece can be HT2811), charging resistor R2 and R3, rectification charging diode D5, power capacitor C2 constitute 56 pairs of T1
The auxiliary winding and feedback divider resistance R5 and R7 of winding feedback circuit, sampling resistor R6 (as overcurrent protection sampling), row is at low
12 windings and Schottky diode for pressing the T1 of DC power supply rectify D6；Above-mentioned period constitutes RCC (Ringing Choke
Converter, auto-excitation type converter) power switch power supply；Above-mentioned power supply further includes constituting LDO (Low Dropout
Regulator, low pressure difference linear voltage regulator) voltage regulator circuit input filter capacitor E2, C3, output filter capacitor E3, C4 and low
Press linear regulator chip V1；Above-mentioned power supply further includes the current-limiting resistance R4 for constituting charging circuit, diode D2, D3, D4 (as embedding
The anti-overshoot of position cell voltage) and rechargeable battery BAT1.
The course of work of power module is as follows: the primary side of RCC Switching Power Supply is connected with firewire, when switch is disconnected, electricity
Electric current in road is converted into voltage；Voltage regulator circuit carries out steady pressure treatment to voltage；Charging circuit savings are generated by above-mentioned electric current
Electric energy.Specifically, the both ends E1 are loaded onto after alternating current is rectified, while R2, R3 charge to C2, IC1 starts to work；It is internal
BJT conducting, the 34 end energy storage of T1,56 ends induce and just descend negative voltage, and IC1 is fed back through feedback end FB, and internal BJT is made to satisfy rapidly
Negative lower positive voltage is induced with, 56 ends, IC1 is fed back through feedback end FB, so that internal BJT is exited saturation and is entered amplification workspace simultaneously
Cut-off region is accelerated into, while 12 end of secondary side induces negative lower positive voltage and charges to E2.56 ends after BJT enters cut-off region
It induces and just descends negative voltage that internal BJT is made to enter amplification working condition again, and be saturated rapidly, 12 end of secondary side induces at this time
On just descend negative voltage, but since the electric current of the subsequent LDO circuit of D6 diode is mainly provided by E2.Working condition more than repeating reaches
LDO can export the electric current of tens of milliamperes after to stable state.R4 is the current-limiting resistance of battery charging, and the clamped cell voltage of D2D3D4 prevents
Battery overshoot, timer MCU_IO is low at this time, and U1 optocoupler does not work, and the 34 ends open circuit of U1, silicon controlled main rectifier is not turned on.
Specifically, the key in above-mentioned timing controller is used for user's incoming timing time；Control chip is for reaching
When timing, trigger signal is exported；Display unit is for showing timing.Wherein, the operation schematic diagram of timing controller
As shown in figure 3, power module is that control chip (MCU) provides voltage MCU_ICC, inputted by above-mentioned by key assignments, by upper
Display unit instruction output is stated, and exports trigger signal MCU_IO.Further, above-mentioned timing controller can also include wireless
Communication unit；The wireless communication unit is for receiving timing；User can be by the movement that connect with the wireless communication module
Terminal sends the time of setting to timing controller, quite inputs with above by by key assignments.
Above-mentioned switch is bidirectional triode thyristor；Bidirectional triode thyristor is on the basis of common silicon-controlled made of development, it is not
It is only capable of replacing the silicon-controlled of two reversed polarity parallel connections, and only needs a trigger circuit, be more satisfactory alternating-current switch device.
There are two main electrode T1 and T2, a gate pole G, gate poles to touch device can in the positive and negative both direction of main electrode for bidirectional triode thyristor
Hair conducting, so bidirectional triode thyristor has symmetrical C-V characteristic in the 1st and third quadrant.Bidirectional triode thyristor gate pole adds positive and negative triggering
Pulse can make pipe triggering and conducting, therefore there are four types of triggering modes.
Accordingly, switch driving circuit is and the matched driving circuit of bidirectional triode thyristor；Its circuit diagram is as shown in figure 4, packet
It includes: resistance R8, for preventing power network fluctuation or other interference from silicon-controlled false triggering being caused (it is single to be equivalent to above-mentioned anti-tampering driving
Member)；Bi-directional voltage stabilizing triggering pipe DW1, current-limiting resistance R10, photoelectrical coupler U1 and rectifier bridge B2 constitute silicon controlled main rectifier triggering electricity
Road (is equivalent to above-mentioned master control trigger circuit)；Current-limiting resistance R9, driving triode Q2, triode biasing resistor R11, two poles of control
Pipe D7 constitutes photoelectrical coupler driving unit (being equivalent to above-mentioned photoelectrical coupler).
The course of work of the switch driving circuit is as follows: master control trigger unit receives trigger signal；Photoelectrical coupler will touch
Signalling is loaded into the control electrode of bidirectional triode thyristor；Anti-tampering driving unit inhibits the interference in switch driving circuit.Specifically
Ground: when MCU_IO is high, then the biasing resistor R11 of Q2 flows through electric current, Q2 conducting, U1 optocoupler work 34 ends conducting, AC_
34 ends of Lout, U1, R10, B2, AC_L constitute circuit, and when line voltage is changed to the pressure stabilizing value of DW1, silicon controlled main rectifier Q1 is led
It is logical, loaded work piece.
When loaded work piece, controlled silicon conducting, load almost obtains whole alternating currents, can be considered as load and be directly accessed alternating current two
End；There are the losses of the angle of flow of a very little (generally at 2 ° or so, to continue for control module power supply for controlled silicon conducting in actual work
It flows and sets).Due to silicon-controlled Q1 conducting when switching power supply parts be short-circuited, and at this time controllable silicon drive circuit consumption electric current compared with
Greatly, the power supply of Timer Controlling MCD and driving circuit is mainly provided by E2 at this time, while when line voltage is less than the pressure stabilizing of DW1
When voltage, rectifier bridge B2 is that charging E2 guarantees that system power supply works normally.
Further, above-mentioned apparatus further includes shell；Deployment device is provided on the shell；Deployment device for it is fixed by
The conducting wire that switch ends are drawn.Above-mentioned apparatus further includes pedestal；Above-mentioned shell is fixed on the base.Specifically, it is set between shell
There is deployment device, shell is fixed with deployment device activity, and deployment device is fixed on the base；Housing interior side-wall is equipped with and axis
Concentric arc groove hole, the arc groove hole opposite side are equipped with two or two or more grooves of arc distribution, and shell passes through screw
Arc groove hole on side wall is fixed with deployment device.
In traditional in-wall time switch, power supply generally uses resistance-capacitance depressurization voltage system or Switching Power Supply mode,
And firewire both ends are directly connected to, connection schematic diagram is as shown in Figure 5；Driving method generally uses relay driving；It is general maximum
Bearing power is in 2000W or more；Load no current flows through when standby after access alternating current, but magazine internal wiring needs three.
Connection schematic diagram shown in fig. 6 for time switching device provided by the embodiment of the utility model and load, load
With single Firewire circuitry block coupled in series at alternating current both ends, circuit is constituted, although electric current, electric current and its faint (uA are flowed through in load
Grade), the electric current of this part microampere order is converted to low pressure milliampere level power supply as control unit power supply by Simultaneous Switching power module.Electricity
Source uses Switching Power Supply mode；Driving method uses silicon-controlled driving；Microampere order electric current is flowed through in load when standby after access alternating current,
Generally at more than ten microampere between few tens of microamps；General maximum load is in 500-1000W；Magazine internal wiring simply only needs 2.
Time switching device provided by the embodiment of the utility model reduces the power of time switching device consumption, and reduces
The number of wiring, facilitates the related personnel to install the device.
Corresponding to above-described embodiment, the utility model embodiment also provides a kind of timing system, structural schematic diagram such as Fig. 7
Shown, which includes above-mentioned time switching device 70, load 71 and firewire 72.
Timing system provided by the embodiment of the utility model has identical with time switching device provided by the above embodiment
Technical characteristic reach identical technical effect so also can solve identical technical problem.
The computer program product of time switching device and system provided by the utility model embodiment, including store
The computer readable storage medium of program code, the instruction that said program code includes can be used for executing in previous methods embodiment
The method, specific implementation can be found in embodiment of the method, and details are not described herein.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
And/or the specific work process of device, it can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the protection scope of the utility model is not limited thereto, although referring to aforementioned
The utility model is described in detail in embodiment, those skilled in the art should understand that: it is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to skill documented by previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation or replacement, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model is answered described is wanted with right
Subject to the protection scope asked.
Claims (10)
1. a kind of time switching device, which is characterized in that at the both ends of firewire, described device includes for described device and load in series
Sequentially connected power supply, timing controller, switch driving circuit and switch；The power supply and it is described switch respectively with the load
Connection；
The power supply is used to power to the timing controller and the switch driving circuit；
The timing controller exports trigger signal for receiving time-of-the-day order；
The switch is opened or closed for receiving the trigger signal in the switch driving circuit.
2. the apparatus according to claim 1, which is characterized in that the power supply includes sequentially connected RCC Switching Power Supply, steady
Volt circuit and charging circuit；
When the RCC Switching Power Supply is used to disconnect on the switch, the electric current in circuit is converted into voltage；The voltage regulator circuit is used
In to voltage progress steady pressure treatment；The charging circuit is used for storing electrical energy.
3. the apparatus according to claim 1, which is characterized in that the timing controller includes control chip, key and shows
Show unit；The display unit includes indicator light and/or display screen；The key is used for user's incoming timing time；The control
Coremaking piece is used for when reaching the timing, exports trigger signal；The display unit is for showing the timing.
4. device according to claim 3, which is characterized in that the control chip includes singlechip chip or dsp chip.
5. device according to claim 3, which is characterized in that the timing controller further includes wireless communication unit；Institute
Wireless communication unit is stated for receiving the timing.
6. the apparatus according to claim 1, which is characterized in that the switch includes bidirectional triode thyristor.
7. device according to claim 6, which is characterized in that the switch driving circuit includes sequentially connected master control touching
Bill member, photoelectrical coupler and anti-tampering driving unit；
The master control trigger unit is for receiving the trigger signal；The photoelectrical coupler is for loading the trigger signal
To the control electrode of the bidirectional triode thyristor；The anti-tampering driving unit is used to inhibit the interference in the switch driving circuit.
8. the apparatus according to claim 1, which is characterized in that described device further includes shell；It is provided on the shell
Deployment device；The deployment device is for the fixed conducting wire drawn by the switch ends.
9. device according to claim 8, which is characterized in that described device further includes pedestal；The shell is fixed on institute
It states on pedestal.
10. a kind of timing system, which is characterized in that including the described in any item time switching devices of claim 1-9, load and
Firewire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293927.9U CN208937942U (en) | 2018-08-10 | 2018-08-10 | Time switching device and timing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293927.9U CN208937942U (en) | 2018-08-10 | 2018-08-10 | Time switching device and timing system |
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| CN208937942U true CN208937942U (en) | 2019-06-04 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110740552A (en) * | 2019-10-20 | 2020-01-31 | 北京芯思电子有限公司 | Timing electronic switch circuit and timing control method |
| TWI719593B (en) * | 2019-08-16 | 2021-02-21 | 益力半導體股份有限公司 | Single firewire power control system |
| CN114558198A (en) * | 2020-11-27 | 2022-05-31 | 上海移宇科技股份有限公司 | Drive structure of drug infusion device |
-
2018
- 2018-08-10 CN CN201821293927.9U patent/CN208937942U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI719593B (en) * | 2019-08-16 | 2021-02-21 | 益力半導體股份有限公司 | Single firewire power control system |
| CN110740552A (en) * | 2019-10-20 | 2020-01-31 | 北京芯思电子有限公司 | Timing electronic switch circuit and timing control method |
| CN114558198A (en) * | 2020-11-27 | 2022-05-31 | 上海移宇科技股份有限公司 | Drive structure of drug infusion device |
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Assignee: NINGBO HAIBEI ELECTRICAL APPLIANCE Co.,Ltd. Assignor: NINGBO MIDEAY ELECTRICAL APPLICANCE Co.,Ltd. Contract record no.: X2022330000870 Denomination of utility model: Timing switch device and timing system Granted publication date: 20190604 License type: Common License Record date: 20221226 |