CN207074992U - A kind of timer circuit and automation equipment - Google Patents
A kind of timer circuit and automation equipment Download PDFInfo
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- CN207074992U CN207074992U CN201720782849.8U CN201720782849U CN207074992U CN 207074992 U CN207074992 U CN 207074992U CN 201720782849 U CN201720782849 U CN 201720782849U CN 207074992 U CN207074992 U CN 207074992U
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- control unit
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- main control
- timer circuit
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Abstract
The utility model is applied to electronic applications, there is provided and a kind of timer circuit and automation equipment, the circuit are connected between AC power and equipment main control unit, including：Power conversion unit, its input are connected with AC power；Switch element, its input are connected with AC power, and the first output end connection of its feeder ear and power conversion unit, its output end is connected with equipment main control unit；The control terminal of the second output end connection of timing control unit, its feeder ear and power conversion unit, its feedback end and switch element is connected, and its output end is connected with equipment main control unit.The utility model is directly powered by power conversion unit to switch element and timing control unit, and controlling switch unit realizes switching on and shutting down in preset switches machine period timing power supply, power supply exchanges input by outside 220V completely and completed in timer, powered not against internal battery (such as button cell), and switching on and shutting down time energy remote control, fully achieves Unmanned operation.
Description
Technical field
The utility model belongs to electronic applications, more particularly to a kind of timer circuit and automation equipment.
Background technology
With current scientific and technological progress, place various automation equipments in public places in order to save manual maintenance into
This, all realizes automatic management substantially.Wherein automatic switching is a comparison basis and the commonplace management of utilization rate
Function, usually install timer additional in a device, the switching on and shutting down time is set by timer, then reaches it in setting time
When, by Timer Controlling equipment automatic shutdown and start, this process realizes full-automatic function without manual operation.
After shutdown, most of functional module of equipment is all in off-position, and only timer is also in work shape
State.One piece of button cell is set generally in timer, for providing working power after shutdown for timer.The runs phase
Between continuous timing, when reaching the predetermined available machine time again control device start shooting.
But because the service life of button cell is limited, in use for some time, button cell can be because electricity
Amount exhausts, and can not be powered after equipment shutdown for timer, so as to influence the function that equipment is started shooting again, it is therefore desirable to artificial
It is periodically equipment replacement button cell, really unmanned automatic management can not be realized.
Utility model content
The purpose of the utility model embodiment is to provide a kind of timer circuit, it is intended to which solving existing automation equipment needs
The problem of wanting artificial periodic replacement battery to cause equipment automatization management degree low.
The utility model embodiment is achieved in that a kind of timer circuit, and the timer circuit is connected to exchange
Between power supply and equipment main control unit, the timer circuit includes：
AC power is converted to the power conversion unit of the first direct current and the second direct current, the power conversion unit
Input be connected with the AC power；
Using first direct current as operating current, according to switch controlling signal selectively turn on, and conducting when to
The switch element of the equipment main control unit power supply, the input of the switch element is connected with the AC power, described to open
The feeder ear for closing unit is connected with the first output end of the power conversion unit, and the output end of the switch element is set with described
Standby main control unit connects；
After the power supply of second direct current is received, switching on and shutting down parameter is obtained from the equipment main control unit, and generate
The timing control unit of the switch controlling signal, feeder ear and the power conversion unit of the timing control unit
Second output end is connected, and the feedback end of the timing control unit is connected with the control terminal of the switch element, the timing control
The output end of unit processed is connected with the equipment main control unit.
Further, the switch element is relay.
Further, the timing control unit is microprocessor, the microprocessor has clocking capability.
Further, the microprocessor includes：
Obtain the clock module of current time and carry out current time and the switching on and shutting down parameter to sentence ratio, in current time
The multilevel iudge module of switch controlling signal is generated during in switching on and shutting down parameter period.
Further, the microprocessor includes supplying according to sequential for each functional unit in the equipment main control unit
The tfi module of electricity.
The another object of the utility model embodiment is, there is provided a kind of automation equipment, the automation equipment include
PCB and equipment main control unit, the equipment main control unit are connected with server communication, and switching on and shutting down are obtained from server
Parameter, include above-mentioned timer circuit in the PCB.
The utility model embodiment is directly powered by power conversion unit to switch element and timing control unit, and is controlled
Switch element processed realizes switching on and shutting down in preset switches machine period timing power supply, and being powered in timer, it is defeated to be exchanged completely by outside 220V
Enter to complete, powered not against internal battery (such as button cell), and switching on and shutting down time energy remote control, fully achieve nobody
Change operation.
Brief description of the drawings
Fig. 1 is the structure chart for the timer circuit that the utility model embodiment provides；
Fig. 2 is relay cut-away view.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not form conflict each other, can is mutually combined.
The utility model embodiment is directly powered by power conversion unit to switch element and timing control unit, and is controlled
Switch element processed realizes switching on and shutting down in preset switches machine period timing power supply, and being powered in timer, it is defeated to be exchanged completely by outside 220V
Enter to complete, powered not against internal battery (such as button cell), and switching on and shutting down time energy remote control, fully achieve nobody
Change operation.
Fig. 1 shows the structure for the timer circuit that the utility model embodiment provides, and for convenience of description, illustrate only
The part related to the utility model.
As the embodiment of the utility model one, the timer circuit can apply in various automation equipments, by certainly
It is dynamic to melt shutdown control and realize unmanned automatic management.
The timer circuit 100 is connected between AC power 200 and equipment main control unit 300, including：
Power conversion unit 11, for 220V AC powers to be converted into the first direct current and the second direct current, power supply turns
The input for changing unit 11 is connected with AC power 200；
In the utility model embodiment, power conversion unit 11 is mainly used for switch element 12 and timing control
Unit 13 is powered.The external 220V AC powers of power conversion unit 11, power conversion unit 11 1 in the case of electrically connecting outside
It is straight in running order, 220VAC electric currents are converted into 12VDC electric currents and 5VDC electric currents, wherein 12VDC electric currents are straight as first
The constant supply switch element 12 of stream electricity, 5VDC electric currents are as the constant supply timing control unit 13 of the second direct current.
Switch element 12, for using the first direct current as operating current, selectively being turned on according to switch controlling signal, and
Powered in conducting to equipment main control unit 300, the input of switch element 12 is connected with AC power 200, switch element 12
Feeder ear be connected with the first output end of power conversion unit 11, the output end of switch element 12 and equipment main control unit 300
Connection；
In the utility model embodiment, switch element 12 is the key for controlling the electric current of 220V AC powers whether to connect
Part, when switch element 12 closes, the electric current connection of 220V AC powers, it can be powered to equipment main control unit 300.When opening
When pass unit 12 is breaking, the electric current of 220V AC powers is also breaking, can not be powered to equipment main control unit 300.
Timing control unit 13, for after the power supply of the second direct current is received, slave unit main control unit 300 to obtain switch
Machine parameter, and generate the switch controlling signal, the feeder ear of timing control unit 13 and the second of power conversion unit 11 defeated
Go out end connection, the feedback end of timing control unit 13 is connected with the control terminal of switch element 12, the output of timing control unit 13
End is connected with equipment main control unit 300.
Specifically, the power conversion unit 11 can include：
Generate the first via power transfer module of the first direct current and the second road AC-DC of generation direct current supply voltage (is handed over
Stream-direct current conversion) module.
Preferably, the switch element 12 can use relay, can also use or other gate-controlled switch devices.
As the embodiment of the utility model one,
Timing control unit 13 includes：
Microprocessor and timer, the timing unit that its Timer can be selected in microprocessor is realized, can also be adopted
Realized with independent timer, and what deserves to be explained is, microprocessor herein contain the integrated devices such as MCU, CPU and
Its application circuit.
For microprocessor after the power supply of the second direct current is received, slave unit main control unit obtains switching on and shutting down parameter, and generates
Switch controlling signal.
In the utility model embodiment, on the one hand microprocessor is to be used to carry out system communication with equipment main control unit,
Receive system to update its time, be on the other hand to be used for timing.
What deserves to be explained is actually microprocessor by externally supplying 5VDC electric currents, is turned by 5VDC current control sources
Whether the 12VDC electric currents for changing unit 11 work, so as to which whether final controlling switch unit 12 works.
Illustrated below by taking relay as an example, the structure of relay is referring to Fig. 2.
The magnetic valve of relay comes with electromagnetic valve switch, and only after electromagnetic valve switch is powered, magnetic valve could start
Work.And the power control of electromagnetic valve switch, then it is to be completed by microprocessor.That is, when start is needed, micro- place
The 5VDC operating currents that power conversion unit 11 is supplied are also supplied to electromagnetic valve switch by reason device, start work so as to activate magnetic valve
Make.After magnetic valve is started working, under the 12VDC functions of current that power conversion unit 11 is supplied, relay is connected by magnetic valve
Switch, is inputted to the circuit of device systems so as to get through 220VAC electric currents.When shutdown is needed, then only need by microprocessor
Device disconnects the 5VDC electric currents for being supplied to electromagnetic valve switch, then magnetic valve is stopped, and the 220VAC circuits of relay also can be corresponding
Disconnect, so as to reach by the purpose of microprocessor control 220VAC connecting and disconnecting of the circuit electricity.
The utility model embodiment is directly powered by power conversion unit to switch element and timing control unit, and is controlled
Switch element processed realizes switching on and shutting down in preset switches machine period timing power supply, and being powered in timer, it is defeated to be exchanged completely by outside 220V
Enter to complete, powered not against internal battery (such as button cell), and switching on and shutting down time energy remote control, fully achieve nobody
Change operation.
More preferably, can include in microprocessor：
Clock module, for obtaining current time；
Multilevel iudge module, for carrying out current time and switching on and shutting down parameter to sentence ratio, switching on and shutting down are in current time
Switch controlling signal is generated during parameter period.
More preferably, can also include in microprocessor：
Tfi module, for being powered for each functional unit in equipment main control unit according to sequential.
In the utility model embodiment, 220V AC powers 200 access branch cut-in relay 12 after timer circuit
With power conversion unit 11, wherein, the electric current of 220V AC powers is separated into two-way through power conversion unit 11, is used for all the way
Powered to timing control unit 13, enable the continuous firing of timing control unit 13；Another way is powered to relay 12, for controlling
The connected state of relay 12, i.e., when power conversion unit 11 is powered to relay, relay 12 will be in connected state, exchange
The electric current of power supply 200 passes through the access device main control unit 300 of relay 12；When power conversion unit 11 stops supplying to relay 12
When electric, relay 12 will be in off state, and the electric current of AC power 200 can not access device main control unit 300.
After timing control unit 13 is powered, power conversion unit is controlled according to default switching on and shutting down time and control program
Whether 11 power to relay 12, so as to the on-off state of indirect control equipment main control unit 300.Meanwhile timing control is single
It can be communicated between member 13 and equipment main control unit 300, after equipment main control unit 300 is powered, by equipment main control unit
Time in 300 renewal timing control units 13, make the timing of timing control unit 13 consistent with real time holding.Count simultaneously
When control unit 13 can the input current of control device main control unit 300 reach the sequencing of each functional unit, so as to control
Equipment components are turned on and off in an orderly manner.
When timer circuit 100 and equipment main control unit 300 connect 220V AC powers first, power conversion unit 11
Powered first for timing control unit 13.Now the clock time in timing control unit 13 is inaccurate, timing control unit
13 can force to control power conversion unit 11 to power to relay 12.After relay 12 obtains the power supply of power conversion unit 11,
In connected state, powered to equipment main control unit 300.
I.e. start running after equipment main control unit 300 is powered, equipment main control unit 300 and server 400 after start
Communicated, obtained according to the time of the server 400 more system time of new equipment main control unit 300 and according to machine code
Corresponding switching on and shutting down preset time (switching on and shutting down parameter).After device systems have updated the time and have obtained the preset switches machine time,
Two times synchronously can be updated to timing control unit 13.
Whether timing control unit 13 obtained current time and after the preset switches machine time, current time can be judged in pre-
If available machine time section.If current time is in available machine time section, timing control unit 13 controls power conversion unit 11
Continue to power to relay 12, equipment main control unit 300 is constantly in start running status.Default shutdown is reached when the time
During timing node, the automatic shutdown of equipment main control unit 300, the power supply that timing control unit 13 gradually switches off equipment components supplies
Should, and finally control power conversion unit 11 stops powering to relay 12, relay 12 disconnects 220V AC powers.
If timing control unit 13 judges that current time is in unused time section, after device systems are stable,
The control device system closedown of timing control unit 13, and the power supply supply of equipment components is gradually switched off, and finally control power supply
Converting unit 11 stops powering to relay 12.
After reaching the unused time, as long as power conversion unit 11 continues to power to timing control unit 13, then timing controls
The continuous timing of the meeting of unit 13, after current time reaches the default available machine time, timing control unit 13 controls power supply again
Module recovery is powered to relay, and device systems turn back on.
If external power source is completely severed, power conversion unit 11 is powered without normal direction timing control unit 13, timing
Control unit 13 is closed, and the internal time of timing control unit 13 and preset switches machine time can be cleared.Until outer
Portion's power up, timer repeats the state to switch on power first, control device system boot, and reacquires current time
With the default switching on and shutting down time.
Control power conversion unit 11 to be powered to relay 12 in addition, working as timing control unit 13, pass through 220V electric currents
During 12 access device main control unit 300 of relay, timing control unit 13 can 300 each portion of control electric current access device main control unit
The sequencing of part realizes the orderly opening and closing of each part.This kind of control mode can play to whole set equipment to be effectively protected
Effect, the protective effect major embodiment is both ways.First, it is energized to the control device system of timing control unit 13 from external power source
The process that each part is opened in order of uniting generally requires a few minutes clock time, during this period of time, once occur external power source it is unstable,
The situation of frequent power on/off, rush of current only influences whether the timing control unit 13 of timer, without influencing whether equipment system
Unite each part.Secondly, after external power source stably accesses timer, timing control unit 13 can control device main control unit 300
Each part is opened in order, is effectively avoided whole set equipment while is opened, and causes immediate current excessive, device power supply (DPS) is impacted.
The another object of the utility model embodiment is, there is provided a kind of automation equipment, the automation equipment include PCB
Circuit board and equipment main control unit 300, the equipment main control unit 300 are communicated to connect with server 400, obtained from server 400
Shutdown parameter is taken away, the timer circuit 100 described in the various embodiments described above is included in the PCB.
In the utility model embodiment, i.e. start running after equipment main control unit 300 is powered, equipment master after start
Control unit 300 is communicated with server 400, according to the system time of the time of server 400 more new equipment main control unit 300
And corresponding switching on and shutting down preset time (switching on and shutting down parameter) is obtained according to machine code.Device systems have updated the time and obtained
After obtaining the preset switches machine time, two times synchronously can be updated to timing control unit 13.
The switching on and shutting down time of the utility model embodiment timer circuit does not need manual site's setting, once need to change
The switching on and shutting down time of equipment, it is only necessary to reset the parameter on server, it is not necessary to staff to device context weight
New settings, realize really unmanned automatic management.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
All any modification, equivalent and improvement made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (6)
- A kind of 1. timer circuit, it is characterised in that the timer circuit be connected to AC power and equipment main control unit it Between, the timer circuit includes：AC power is converted to the power conversion unit of the first direct current and the second direct current, the power conversion unit it is defeated Enter end to be connected with the AC power；Using first direct current as operating current, selectively turned on according to switch controlling signal, and in conducting to described The switch element of equipment main control unit power supply, the input of the switch element are connected with the AC power, and the switch is single The feeder ear of member is connected with the first output end of the power conversion unit, the output end of the switch element and the equipment master Control unit connection；After the power supply of second direct current is received, switching on and shutting down parameter is obtained from the equipment main control unit, and described in generation The timing control unit of switch controlling signal, the feeder ear of the timing control unit and the second of the power conversion unit defeated Go out end connection, the feedback end of the timing control unit is connected with the control terminal of the switch element, the timing control unit Output end be connected with the equipment main control unit.
- 2. timer circuit as claimed in claim 1, it is characterised in that the switch element is relay.
- 3. timer circuit as claimed in claim 1, it is characterised in that the timing control unit is microprocessor, described Microprocessor has clocking capability.
- 4. timer circuit as claimed in claim 3, it is characterised in that the microprocessor includes：Obtain the clock module of current time and carry out current time and the switching on and shutting down parameter to sentence ratio, be in current time The multilevel iudge module of switch controlling signal is generated during switching on and shutting down parameter period.
- 5. timer circuit as claimed in claim 3, it is characterised in that it is the equipment master control list that the microprocessor, which includes, The tfi module that each functional unit in member is powered according to sequential.
- A kind of 6. automation equipment, it is characterised in that the automation equipment includes PCB and equipment main control unit, The equipment main control unit is connected with server communication, is obtained switching on and shutting down parameter from server, is included such as in the PCB Timer circuit described in any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720782849.8U CN207074992U (en) | 2017-06-30 | 2017-06-30 | A kind of timer circuit and automation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720782849.8U CN207074992U (en) | 2017-06-30 | 2017-06-30 | A kind of timer circuit and automation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207074992U true CN207074992U (en) | 2018-03-06 |
Family
ID=61513361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720782849.8U Active CN207074992U (en) | 2017-06-30 | 2017-06-30 | A kind of timer circuit and automation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207074992U (en) |
-
2017
- 2017-06-30 CN CN201720782849.8U patent/CN207074992U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Timer circuit and automation equipment Effective date of registration: 20190926 Granted publication date: 20180306 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: SHENZHEN LAIDIAN TECHNOLOGY COMPANY Registration number: Y2019990000287 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211123 Granted publication date: 20180306 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: SHENZHEN LAIDIAN TECHNOLOGY Co.,Ltd. Registration number: Y2019990000287 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |