CN207457752U - A kind of wireless remote timing control switch - Google Patents
A kind of wireless remote timing control switch Download PDFInfo
- Publication number
- CN207457752U CN207457752U CN201721225174.3U CN201721225174U CN207457752U CN 207457752 U CN207457752 U CN 207457752U CN 201721225174 U CN201721225174 U CN 201721225174U CN 207457752 U CN207457752 U CN 207457752U
- Authority
- CN
- China
- Prior art keywords
- power supply
- detection
- unit
- module
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model is related to the utility model to provide a kind of wireless remote timing control switch, control switch includes power supply module, communication module, display module, RTC clock module and detection module, power supply module is connected successively with communication module, display module, RTC clock module and detection module, for powering, detection module is connected with communication module, detection data are transferred to communication module, data sending is shown communication module to display module by treated.The wireless remote timing control switch can realize the Wireless remote control of 4 exchange power supply and distribution contactors, realize the wireless remote timing controlled in exchange power supply and distribution facility circuit, highly reliable dual-host backup control is realized again, the equipment volume is compact, at low cost simultaneously, is easily installed in exchange power supply and distribution facility.
Description
Technical field
The utility model is related to Internet of Things, road lighting, industrial control field more particularly to a kind of wireless remote timing controls
System switch.
Background technology
In road lighting and industrial control field, there is substantial amounts of exchange power supply and distribution facility, these exchange power supply and distribution facilities
By the alternating current of input be powered circuit distribution, be powered to each loop load, each circuit manually or
Person's timer mode carries out circuit switching control power supply, and this kind of control mode needs manually to control or manually periodically adjustment
Time control, it is impossible to realize flexible remote automatic control.
Although having part of the manufacturer at present in order to realize automation control, power supply and distribution is carried out using PLC programmable controller and is returned
The automatic switch control on road, but PLC programmable controller circuit control driving force is smaller, it is necessary to external intermediate relay
Can realize high-power loop power supply contactor control driving, and programmable controller only provide Ethernet interface and
In addition RS232, RS485 communication interface can be compiled, it is necessary to external wireless telecommunications GPRS communication module could realize remote auto control
Range controller needs additional externally fed power module to supply power for, therefore realizes power supply and distribution circuit using programmable controller
The needs periphery automatically controlled provides various ancillary equipments and device, and Control System Design is complicated, wiring engineering amount is big, system is steady
It is qualitative it is not high, trouble point is more, can not realize remote control, can not realize more equipment room coordinated signals.
Current Ye You small parts producer targetedly devises integrated automatic control equipment, and exchange can be realized for matching somebody with somebody
The remote switch control of electric equipment, and it is defeated to be also integrated with loop current detection function, switching value, switching value in a device
Go out, the various functions such as remote meter reading, backup battery power supply, but these equipment are in order to pursue the large and complete of function, equipment volume
Greatly, manufacture is of high cost, and the feeder number of management is controlled to be fixed as 6 or 12, but in actual use, most friendship
Power supply and distribution facility is flowed in order to cost-effective, and cabinet design is all compact compact, and this one is installed without enough spaces
Change control device, and also do not used for other functions of these overall-in-one control schema equipment；Also the exchange of enormous amount is for matching somebody with somebody
Electric facility only has 2-4 power supply and distribution circuit, is wasted using integrated control device serious.
These defects mentioned above have become the technical issues of urgent need solves.
Utility model content
The utility model devises a kind of wireless remote timing control switch, the wireless remote for exchange power supply and distribution facility
Timing control switch can realize the Wireless remote control of 4 exchange power supply and distribution contactors, can realize closing for A.C. contactor
Conjunction state detection can detect the alarm of three phase mains supply input unit power phase shortage, power fail warning；With wireless telecommunication
Control interface realizes remote wireless control and timing controlled, also has two-shipper control detection and dual-host backup control function, i.e., real
The wireless remote timing controlled in exchange power supply and distribution facility circuit is showed, and has realized highly reliable dual-host backup control, simultaneously should
Equipment volume is compact, at low cost, is easily installed in exchange power supply and distribution facility.
The utility model employs following technical solution：
A kind of wireless remote timing control switch, control switch include power supply module, communication module, display module, RTC
Clock module and detection module, it is characterised in that：
Power supply module is connected successively with communication module, display module, RTC clock module and detection module, for powering, inspection
Survey module with communication module to be connected, detection data be transferred to communication module, communication module will treated data sending to showing
Show that module is shown；
The power supply module includes three phase mains supply input unit, AC/DC 12V power supply units, DC6-28V direct current supplys
Input unit, DC12V merge power supply unit, DC7.0 ~ 8.4V battery assembly modules, battery powered short-circuited terminal unit, battery charge and discharge
Electric unit, DC/DC 5.5V power supply units, DC/DC 3.3V power supply units;
The communication module includes ARM CPU wireless telecommunications core cell, GPRS/4G wireless communication units, SMA antennal interfaces
Unit, RS232 communication interfaces, RS485 communication interfaces；
The display module includes HMI display units, HMI display screen power switch unit, TTL RS 232 units；
The detection module includes relay drive unit, dual-host backup detection analog switch unit, phase shortage detection of power loss mould
Intend switch unit, switching value analog switch unit, dual-host backup detection unit, phase shortage detection of power loss unit, switching value inspection
Survey unit.
The three phase mains supply input unit is using during the wire connection terminal guarantee equipment application of 7.62mm spacing three
Mutually enough electrical isolations of electricity, by triple line A, B, C, N for exchanging in power supply and distribution facility, totally 4 lines access this wireless remote and determine
When control switch, for three-phase voltage pile defection and equipment power.
The DC6-28V direct current supplys input unit selects the DC power supplier with higher lightning protection Anti-surging grade.
The DC12V merges merging power supply of the power supply unit using 4 DC12V DC supply inputs, intersecting in A, B, C tri-
Stream and DC6-28V direct currents in totally 4 externally feds, to input normally to ensure that wireless remote is determined as long as there are one externally feds
When control switch normal work.
It is described equipment for a long time do not work when, disconnect the battery powered short-circuited terminal unit, battery last avoided to put
Electricity when equipment works, using conducting wire by battery powered short-circuited terminal unit short circuit, completes power supply of the battery pack to equipment.
Described when external power supply is powered, the battery charging and discharging unit charges to battery pack, in externally fed electricity
During the failure of source, the DC/DC 5.5V power supply units, the ARM CPU channel radios that are discharged by the battery charging and discharging unit to equipment
Interrogate core cell, GPRS/4G wireless communication units, HMI display screen power switch units.
The SMA antenna interface units include high-speed radio SMA interfaces, low-speed wireless SMA interfaces, GPRS/4G
SMA interfaces.
Power supply between the unit is divided into two classes, and the first kind merges power supply unit by DC12V, and by DC/
DC3.3V power supply units provide a DC3.3V DC power supply, the DC12V merge power supply unit to relay drive unit, open
Pass amount detection power supply, DC3.3V power supplys are powered to dual-host backup detection, phase shortage detection of power loss, RS485 communication interfaces；Second class is led to
It crosses DC12V and merges power supply, by battery charging and discharging unit, power supply power supply, the DC5.5V are provided to DC/DC 5.5V power modules
Power supply is powered to ARM CPU wireless telecommunications core cell, GPRS/4G wireless communication units, HMI display units；In external communication
When DC power supply is normal, all modules of equipment all in working condition, once device external power supply failure, it is necessary to
When providing power supply by the battery pack inside equipment, first kind power pack will be in state of stopping power supply, and be supplied in only second
Electric part is powered using battery pack, electric quantity consumption when so reducing battery-powered to greatest extent, extend equipment without
The time that the connection of line communication channel is kept.
One dual-host backup detection function of the control design case for each contactor, is detected by the dual-host backup
Function realizes that two or more timing control switch device backups control, when main equipment is working properly, by main equipment just
It can realize the switch control of contactor, in master-failure, can realize that the switch of contactor is controlled by stand-by equipment.
The control relay for each contactor has 4 alternating current signal detection points, can by this 4 test points
Detect contactor state of a control, 4 control relays control the switch of 4 contactors, and a total of 4 × 4 totally 16 test points lead to
The dual-host backup detection unit and 16 for crossing isolation select 1 module switch that the signal of 16 test points is input to ARM CPU in turn
The IRQ interrupt pins of processor judge whether have the impulse waveform of conversion to carry out dual-host backup signal to cycle on the IRQ pins
Detection, and calculate whether start spare control.
Whether the phase shortage detection of power loss, being detected by detection circuit in the three phase mains supply input unit wires of input has
Periodic sine wave signal, so as to judge A, B, C three phase mains whether phase shortage power down.
The detection method for phase shortage power down is by the phase shortage detection of power loss unit of isolation and 41 simulation to be selected to open
The IRQ interrupt pins that one detection signal of selection is input to ARM CPU processors are closed, judge whether there is conversion on the IRQ pins
Impulse waveform come cycle carry out phase shortage power-off signal detection.
The beneficial effects of the utility model are：
1）Alternating current is detected by light-coupled isolation to input, due to the sine wave that China's alternating current is 50Hz, AC sine wave
It is signally attached to optocoupler input so that optocoupler output tool passes through ARM CPU processing there are one the impulse waveform after being shaped
The IRQ interrupt pins of device mean that in the input signal there is exchange per 100ms after the detection counting impulse waveform reaches 5 pulses
Electricity input；
2）Alternating current is detected by optocoupler to input, and on the one hand can carry out shaping to the sinusoidal signal of alternating current, another
Effect can play the role of forceful electric power isolation, using simple circuit can time alternating current input detection；
3）Select 1,16 1 module switch is selected to carry out cyclic switching selection by 4, with only a small number of several ARM CPU
I/O pin realizes large number of alternating current input signal detection；
4）By two class electric power systems, only ARM CPU wireless telecommunications core lists are given by battery pack in external power supply trouble
Member, the power supply of GPRS/4G wireless communication units, HMI display screens, ensure that battery-powered low-power consumption.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field
Technical staff will be apparent understanding.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to this practicality
New limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the structure diagram of the wireless remote timing control switch of the utility model；
Fig. 2 is the circuit diagram of the power supply module of the utility model；
Fig. 3 is the circuit diagram of the communication module of the utility model；
Fig. 4 is the circuit diagram of the display module of the utility model；
Fig. 5 is the circuit diagram of the detection module of the utility model；
The utility model is described in further detail with reference to the accompanying drawings and embodiments.
Specific embodiment
The utility model is described in further detail With reference to embodiment：
The structure diagram of the wireless remote timing control switch of the utility model is as shown in Figure 1.Control switch includes
Power supply module, communication module, display module, RTC clock module and detection module.Wherein, which includes three phase mains
Supply input unit, AC/DC 12V power supply units, DC6-28V direct current supplys input unit, DC12V merge power supply unit,
DC7.0 ~ 8.4V battery assembly modules, battery powered short-circuited terminal unit, battery charging and discharging unit, DC/DC 5.5V power supply units,
DC/DC 3.3V power supply units.The communication module include ARM CPU wireless telecommunications core cell, GPRS/4G wireless communication units,
SMA antenna interface units, RS232 communication interfaces, RS485 communication interfaces.The SMA antenna interface units include high-speed radio
SMA interfaces, low-speed wireless SMA interfaces, GPRS/4G SMA interfaces.The display module includes HMI display units, HMI display screens
Power switch unit, TTL RS 232 units.The detection module includes relay drive unit, dual-host backup detection analog switch
Unit, phase shortage detection of power loss analog switch unit, switching value analog switch unit, dual-host backup detection unit, phase shortage are fallen
Electro-detection unit, switching value unit.
The three phase mains supply input unit of control switch ensures equipment application using the wire connection terminal of 7.62mm spacing
Enough electrical isolations of three-phase electricity in the process, by triple line A, B, C, N for exchanging in power supply and distribution facility, totally 4 lines access this nothing
Line remote timing control switch, powers for the pile defection and equipment of three-phase voltage；Control switch can also access single-phase
AC220V power supply powered operations, three phase mains supply input unit input all lightning protection and Anti-surging of the tool there are one 6KV per phase
Protect circuit（It is not shown）, to ensure that equipment is being struck by lightning and the reliability Work under surge condition.
Three-phase alternating current is converted to 3 road DC12V DC power supplies by control switch using 3 AC/DC 12V power supply units,
To ensure when three phase mains supply input unit has phase shortage, equipment remain unchanged be capable of providing the DC power supply of DC12V to
The module for power supply of other parts.
Control switch provides a DC6-28V direct current supply input unit, the nominal input electricity of direct current supply input
It presses as DC12V, it, can be by the external direct current for providing a DC12V when multiple wireless remote timing control switch cooperate
Power supply gives all wireless remote timing control switch centrally connected power supplies, which can select with higher lightning protection Anti-surging
The DC power supplier of grade.
Control switch merges the real-time Hot Spare of power supply unit by DC12V, and it is defeated to realize 4 DC12V DC power supplies
The merging power supply entered, in A, B, C three-phase alternating current and DC6-28V direct currents totally 4 externally feds, as long as there are one externally fed is defeated
Enter the normal normal work for ensuring that wireless remote timing control switch, after some externally fed failure, other are external to supply
Electricity input can still ensure the power supply of wireless remote timing control switch other parts and reliable and stable work.
The control is switched in addition to the AC DC power supply of external multichannel, can also pass through a DC7.0-8.4V battery pack
Unit provides backup to equipment, after detecting externally fed failure, can be carried out by wireless communication networks long-range
The transmission of power supply warning information.
Control switch devises in order to facilitate the reliability and stability of equipment battery pack in storage, transportational process
One battery powered short-circuited terminal unit, equipment for a long time do not work, store in a warehouse, transport when, disconnection battery powered short-circuited terminal
Unit avoids cell during discharge.When equipment works, using conducting wire by battery powered short-circuited terminal unit short circuit, electricity is completed
For pond group to the power supply of equipment, guarantee that can be more reliable and more stable compared to switch using short-circuited terminal is battery-powered, avoids
The malfunction of personnel causes the generation of battery-powered failure.
The battery charging and discharging unit of control switch is used for when external power supply is powered, and is given by the battery charging and discharging unit
Battery pack charges, in external power supply failure, the DC/DC that is discharged by the battery charging and discharging unit to equipment
5.5V power supply units, ARM CPU wireless telecommunications core cell, GPRS/4G wireless communication units, HMI display screen power switch lists
Member.
Power supply between control switch unit is divided into two classes, and the first kind merges power supply unit by DC12V, and
The DC power supply of a DC3.3V is provided by DC/DC3.3V power supply units, which merges power supply unit and give relay driving list
Member, switching value power supply, DC3.3V power supplys are powered to dual-host backup detection, phase shortage detection of power loss, RS485 communication interfaces；The
Two classes are merged by DC12V powers, and by battery charging and discharging unit, power supply power supply is provided to DC/DC 5.5V power modules, should
DC5.5V power supplys are powered to ARM CPU wireless telecommunications core cell, GPRS/4G wireless communication units, HMI display units；This reality
With novel device external communication DC power supply it is normal when, all modules of equipment all in working condition, once outside equipment
For portion's AC DC power supply failure, it is necessary to when providing power supply by the battery pack inside equipment, first kind power pack will
Power pack is powered using battery pack in the state of stopping power supply, only second, so reduces battery pack to greatest extent
Electric quantity consumption during power supply extends the time that the connection of equipment wireless communication channel is kept.
The ARM CPU wireless telecommunications core cells of the utility model are the core components of whole equipment, which has
There is micro-power wireless communication interface, there is ARM CPU calculation processing powers, it is various can transmission to be received by wireless communication interface
Wireless telecommunications instruct, and the calculation process of instruction is communicated wirelessly by ARM CPU processors, realize that exchange power supply and distribution facility returns
Time switch and the command switch control on road, and carry out the various functions such as dual-host backup control, the alarm of phase shortage detection of power loss.This reality
With the new wireless communication interface that can be utilized in ARM CPU wireless telecommunications core cells and wireless instructions and other wireless remotes
Timing control switch equipment communicates wirelessly collaborative work, realizes synchro switch, the order of multiple timing control switch equipment
The complicated control logic such as switch, and can also be communicated with wireless loop current acquisition equipment, realize loop current
Detection and thresholding judge.
The GPRS/4G wireless communication units of the utility model are used for the wireless communication networks by operator, with long-range pipe
The communication that service provider realizes data and instruction is managed, by the timing control switch policy download of management server configuration into equipment,
And the various failures for the exchange power supply and distribution facility being locally detected, power down failure, open-phase fault, contactor failure, electric current are got over
The information such as limit alarm are sent in management server, by management server notice equipment maintenance and management personnel timely processing exchange for matching somebody with somebody
The failure of electric facility ensures the safe and reliable of power supply and distribution.
The utility model devises 3 SMA antenna pedestals, respectively to adapt to a variety of different wireless communication platforms
Corresponding high speed wireless communication SMA antenna pedestals, low-speed wireless communication SMA antenna pedestals, GPRS/4G SMA antenna pedestals, pass through this 3
SMA antenna pedestals, the wireless remote timing control switch of the utility model can be realized by the wireless communication networks of operator to be surpassed
Remote wireless telecommunications management, and the high level matches with low level that high speed wireless communication and low-speed wireless can be utilized to communicate, 0 meter of realization ~
The wireless networking communication of 4500 meters of distance ranges realizes the wireless networking communication of modules inside exchange power supply and distribution facility, together
When can also realize multiple distances in 4500 meters exchange power supply and distribution facility wireless networking, may finally realize and utilize one
GPRS/4G wireless communication modules are realized the remote switch control of numerous exchange power supply and distribution facilities and its internal module, are remotely matched somebody with somebody
It puts and manages.
The RS232 communication interfaces of the utility model facilitate construction personnel's debugging and test to set for equipment in installation process
Standby operation stability, what guarantee system was implemented is smoothed out.
The utility model devises a HMI display unit, by TTL RS 232s chip realize HMI display units and
The communication of ARM CPU wireless telecommunications core cells is completed the human-computer interaction configuration of the utility model device, is shown by the HMI
The button and input frame at the interface of unit can realize configuration local nearby and management timing control switch equipment, change equipment
Run time sets time switch period, triggering contactor act to load circuit power supply, inquire about exchange power supply and distribution facility
The various management functions such as various equipment states.
The utility model in order to ensure equipment in the case of battery-powered, equipment oneself power consumption is accomplished it is minimum, if
A HMI display screen power switch unit has been counted, HMI is controlled by the PWR_D2 pins of ARM CPU wireless telecommunications core cells
Display screen power switch unit is powered to HMI display units, in the case where not having personnel's operating display more than 5 minutes, is led to
It crosses PWR_D2 pins and closes the power supply of HMI display units, ensure the low power operation of equipment.
The utility model realizes the driving of No. 4 relays by I/O interface, it is achieved thereby that the switch control of No. 4 contactors
System realizes the remote switch control in exchange power supplying and distributing equipment circuit.
The utility model is in order to ensure the reliability of contactless contactor control, for the control design case one of each contactor
A dual-host backup detection function can realize two or more timing control switch equipment by the dual-host backup detection function
Standby control, when main equipment is working properly, the switch that can realize contactor by main equipment controls, in master-failure
When, it can realize that the switch of contactor is controlled by stand-by equipment.
The dual-host backup detection function of the utility model has the control relay of each contactor 4 AC signal inspections
Measuring point can detect contactor state of a control by this 4 test points, and 4 control relays of the utility model control 4 and connect
The switch of tentaculum, a total of 4 × 4 totally 16 test points, selected by the dual-host backup detection unit of isolation and 16 1 module switch
The IRQ interrupt pins that the signal of 16 test points is input to ARM CPU processors in turn carry out dual-host backup detection, and calculate
Whether spare control is started.
The phase shortage detection of power loss of the utility model is similar with dual-host backup detection function, passes through detection circuit detection input
Whether there is periodic sine wave signal in three phase mains supply input unit wires, so as to judge whether A, B, C three phase mains lack
Phase power down.
The detection method for phase shortage power down of the utility model is similar with dual-host backup detection, still lacking by isolation
Phase detection of power loss unit and 4 select 1 analog switch select one detection signal be input to ARM CPU processors IRQ interruption draw
Foot Xun Huan carries out phase shortage power-off signal detection.
The utility model detects signal and phase shortage power down by the IRQ interrupt pin cycle detections dual-host backup of ARM CPU
Signal is detected, judges whether there is the impulse waveform of conversion on the IRQ pins, you can judges that detection signal is normal.
The utility model tool selects 1 analog switch there are one switching value, the key press detecting circuit on 4 tunnels on 4 tunnels by 8
1 way switch amount of Xun Huan selection, button, which enter in ARM CPU processors, to be detected；The switching value of the utility model can detect
The switch closed condition of external No. 4 contactors, the auxiliary contact of the contactor of connection exchange power supplying and distributing equipment, detects contactor
Operating state；Button can realize the operations such as device reset operation, the wake-up of HMI display units.
A RS485 communication interface has also been devised in the utility model, which can be connected by RS485 communication buses
External various industrial control equipments are connect, realize the communication with these equipment, especially by RS485 buses and with RS485
The ammeter of communication interface is communicated, and realizes the remote meter-reading function of the power consumption of exchange power supply and distribution facility, the utility model is not
The wireless remote timing control switch of the current supply circuit of Alternating Current Power Supply facility can only be completed, additionally it is possible to complete the metering of power consumption
And remote meter reading.
For the utility model also comprising a RTC clock module, which can ensure equipment according to accurate real-time clock
Run and according to configuration timing section switch control power supply facilities circuit.
Fig. 2 is that the circuit diagram of the power supply module of the utility model is as shown in Figure 2.The power supply module includes three phase mains
Supply input unit, AC/DC 12V power supply units, DC6-28V direct current supplys input unit, DC12V merge power supply unit,
DC7.0 ~ 8.4V battery assembly modules, battery powered short-circuited terminal unit, battery charging and discharging unit, DC/DC 5.5V power supply units,
DC/DC 3.3V power supply units.
Wherein, three phase mains supply input unit is A/B/C three-phases along with zero curve, three-phase four-wire power supply.AC/DC
12V power supply units include three isolated power supply units, do input from A-N, B-N, C-N respectively and take electricity, then connect fuse resistance and
Varistor does lightning protection, and principle is when there is lightning induced surge to enter input terminal, first passes through resistance fuse and does level-one
It absorbs, then by varistor TVR10471, varistor internal resistance under high pressure drastically declines and turns on rapidly, lightning stroke of releasing
Transient energy, Circuit theory lightning protection grade are：Line To Line 2KV, 2KV, isolated power supply module use transformer isolation to line over the ground
Flyback schemes, export 12V voltages, one diode of anode string of each power supply output, and such purpose is power supply in order to prevent
Between interfere with each other and export inconsistent damage.
DC terminals are selected in DC6-28V direct current supply input units, unit direct current input, and supply district can be resistance to for maximum
Press 28V, can select DC12V, DC24V adapter power, if to use it is battery-powered, since charge-discharge modules chip is resistance to
It presses as 18V, it is necessary to which DC12V adapters is selected to power.
DC12V merging power supply units, the cells D C terminal input terminal string diode, then with AC-DC power output ends simultaneously
Common offer DC voltage, Alternating Current Power Supply and direct current supply alternative are provided, product is facilitated to be compatible with indoor and outdoor occasion.
DC7.0 ~ 8.4V battery assembly modules, the two section lithium battery concatenation power supplies which uses, voltage range are
7V-8.4V, internal battery pack have protection circuit, prevent battery is crossed to let off from filling, according to the requirement of client, battery is run after a power failure
Time, the capacity of battery can also select different parameter.
Battery powered short-circuited terminal unit, the short-circuited terminal of the unit are placed on the anode of battery, it is necessary to use battery pack confession
It can be connected when electric with conducting wire, when unwanted such as during transport, with break line battery can be avoided long
Phase overdischarge.
Battery charging and discharging unit, the unit use the charging module using TP5100 as master chip, built-in Schottky diode
It is anti-reverse, chip belt excess temperature, overcurrent, overvoltage protection.The external power switching circuit in rear end, 1. when A_DC12V power supplies are normal, electricity
While ensureing to charge normal, for just, Q201 is turned off at this time, B_OUT voltages subtract PMOS Q201 VGS for A_DC12V in pond
The pressure drop of D201, VDD_OUT=12-Vd；2. when A_DC12V supplies electrically disconnected, VGS is negative driving PMOS conductings, and B_OUT is electricity
Pond powers, and by detecting cell voltage VBAT, constantly detects voltage to judge battery whether in the state of still electric discharge that charges.Point
Pressure detection A_DC12V, to judge whether power supply is normal.
DC/DC 5.5V power supply units, after the DC voltage of the unit is by C202, doing low frequency filtering reduces voltage ripple
Interference, C203,204 capacitances make High frequency filter, export stable DC voltage, and voltage passes through BUCK chip MP1584 input terminals, leads to
Chip FB pins detection output voltage is crossed, automatically adjusts internal duty cycle, makes the 5.5V DC voltages of its output stabilization,
DC/DC 3.3V power supply units, after the DC voltage of the unit is by C101, doing low frequency filtering reduces voltage ripple
Interference, C102, C103 capacitance make High frequency filter, export stable DC voltage, and voltage passes through BUCK chip MP1584 input terminals,
Output voltage is detected by chip FB pins, automatically adjusts internal duty cycle, the 3.3V DC voltages for making its output stable.
The circuit diagram of the communication module of the utility model is as shown in Figure 3.The communication module includes ARM CPU channel radios
Interrogate core cell, GPRS/4G wireless communication units, SMA antenna interface units, RS232 communication interfaces, RS485 communication interfaces.
It is made of inside ARM CPU wireless telecommunications core cells following chip and module：
1）CPU processor is model STM32F103RCT6, memory capacity 256KB, the SRAM 48KB of ST, maximum
Speed can reach 72M；
2）Spread F LASH memories are M25P32, inside save as 32M, are connected by spi bus with CPU SPI interfaces；
3）The Transistor-Transistor Logic level of CPU is converted into 232 level by inside modules by SP232 chips, is provided out 2 tunnel, 232 interface.
Inside modules carry high-speed radio and low-speed wireless Dual module, can independently select, can also Dual module work at the same time, compatibility
By force, long transmission distance.
GPRS/4G wireless communication units, using GPRS232-MODE modules；LinkA, LinkB pin connection of module refer to
Show lamp to reflect whether first network connection and the second network connection are normal, and connection then exports high level, triode conduit, LED
Lamp is lit；Serial communication pin UTXD1, URXD1 and core board UART2 connection communications；Module pin WORK is working properly
Afterwards, alternately level, connection indicator light, indicator light working properly can flicker output height；Module pin POWKEY is switching on and shutting down work(
Can pin, when pin inputs for low level, GPRS/4G wireless communication modules enter shutdown mode, such purpose be in order to
The pattern that equipment enters low-power consumption when power down is made to extend service time of battery；RESET is reset pin, and low level has
Effect.
SMA antenna interface units, three SMA antenna pedestals connect high-speed radio module, low-speed wireless module, GPRS/ respectively
4G wireless communication modules.
RS232 communication interfaces do communication level conversion using SP3232EEA.Chip SP3232 is by driver, receiver, electricity
Transistor-Transistor Logic level into can be converted to 232 level opposite with input logic level by lotus pump group.
RS485 communication interfaces, core board USART4 carry out conversion communication by 485 chip U901,485 interfaces of output,
R904 is 120R resistance primarily to the transmission resistance of matching twisted-pair feeder, reduces the reflection of transmission signal, on R905, R906 work
Pull-up resistor is pulled down, is effectively reduced the bit error rate, D901, D902, D903 are TVS pipe, for doing transient absorption use, are prevented quiet
Electricity, interference of the surge voltage to chip, GDT901 is anti-thunder tube, is in normal operation shut-off, when there is instantaneous pressure mistake
Come, lightning protection light is breakdown, by arc discharge voltage is prevented further to rise, is effectively protected back-end circuit element, does
Lightning protection is used, and PPT901, PPT902 are resettable fuse, in the case where output terminal has high current or short circuit, protection
Chip is not damaged, and the Enable Pin of chip employs level shifting circuit, when core board is when sending data, USART_TTL_TX
It is low level by level translation circuit Enable Pin, otherwise receive data, Enable Pin is high level for high level.
The circuit diagram of the display module of the utility model is as shown in Figure 4.The display module include HMI display units,
HMI display screen power switch unit, TTL RS 232 units.HMI display units are connected using 4 interfaces, and HMI_VCC connects for power supply
Mouthful, HMI_TX/HMI_RX is communication interface, GND connection power supplys.HMI display screen power switch units, HMI current supply circuits are adopted
It is triggered with button electrodynamic type, acquiescence display frequency is not work, and after SW601 crawls are pressed, by the triggering of SW_I1, PWR_D2 is defeated
Go out high level, Q1202 conductings, PMOS VS ＞ VG, Q1201 conductings, B_DC5.5V provide voltage HMI_VCC as display screen afterwards
Power supply.TTL RS 232s unit will be done with 232 level communications of core board UART5 and once be turned using UART communication Transistor-Transistor Logic levels
It changes, communication level conversion is done using SP3232EEA.
The circuit diagram of the detection module of the utility model is as shown in Figure 5.The detection module includes relay driving list
Member, dual-host backup detection analog switch unit, phase shortage detection of power loss analog switch unit, switching value analog switch unit,
Dual-host backup detection unit, phase shortage detection of power loss unit, switching value unit.
Relay drive unit carries out triode isolation control using optocoupler makes relay primary coil both ends generate electricity
Pressure, the secondary conducting of last relay, three contacts of relay secondary are respectively RL1_CO（It is public）、RL1_NC（It is normally closed）、RL1_
NO（It is normally opened）Initial default is normally closed, i.e., 6,4 turn on 3 feet, and when ST_K_O1 input high levels, the secondary conducting of optocoupler passes through
Pull up the voltage driving of A_DC12V, Q501 conductings, the primary coil of relay and A_DC12V simultaneously connect, and relay switch turns over
Turn, 6,4 feet are turned on 5 feet, and 3 feet are hanging, and the circuit being connected with 6,4 feet disconnects.Other three relay drive circuit principles and
It is consistent above.
In dual-host backup detection unit RL1_MCI between zero curve if there is 220V control sources, by the R406 that connects,
D402, R407, when alternating voltage by and when reaching certain amplitude, the voltage that R407 is depressured by resistance reaches 0.7V
Left and right, makes the LEDs ON of U402 primary, the phototriode of optocoupler secondary is promoted to turn on, CPU_RL1_MCI voltages
It is pulled low, when alternating voltage is not up to certain amplitude, the acquiescence high level that CPU_RL1_MCI voltages still detect, so having
During voltage, the waveform of CPU_RL1_MCI is that high level is short in a cycle, a pulse of low level length；When A phase voltages are fallen
Electricity, first diode do not turn on, and phototriode is in cut-off state, and AC_CHK_A is unanimously in the high potential of pull-up,
Core board I/O port AC_CHECK_O2 is connected to CPU_RL1_MCI by analog switch, and I/O port is interrupted using trailing edge triggering, into
Row step-by-step counting often triggers and once remembers pulsatile once, and each gate time is 100mS（That is 5 doubling times）, see arteries and veins in gate time
Rush number, if >=3 times judge have control source, as once not if represent power down no-voltage input, other dual-host backups
Detection circuit principle is consistent.
Dual-host backup detection analog switch unit switches over detection using analog switch CD4067, and Pin15 C only exist
For low level when, analog switch could act, i.e. Pin15 C ground connection, the control by A0, A1, A2, A3 varying level state is defeated
Enter, I0/O0-I15/O15 is selected to be turned on AC_CHECK_O2, carry out switching and select different measure loops.AC_CHECK_
O2 is connected to CPU_RL1_MCI by analog switch, and I/O port is interrupted using trailing edge triggering, carries out step-by-step counting, often trigger one
Secondary note pulsatile once, each gate time are 100mS（That is 5 doubling times）, pulse number in gate time is seen, if >=3 times
Judgement has control source, as once not if represent the input of power down no-voltage, other dual-host backup detection circuit principles are consistent.
CD4067 and CD4051 shares A0, A1, A2 input pin, so adds the utilization rate of I/O port, while does not influence analog switch
Regular event.
Phase shortage detection of power loss unit, by R301, D301, the R302 of connecting between A phases and zero curve N, when there is alternating voltage
By and when reaching certain amplitude, the voltage that R302 is depressured by resistance reaches 0.7V or so, makes the hair of U301 primary
Optical diode turns on, and the phototriode of optocoupler secondary is promoted to turn on, AC_CHK_A voltages are pulled low, when alternating voltage is not up to
Certain amplitude, the acquiescence high level that AC_CHK_A voltages still detect, so when having voltage, the waveform of AC_CHK_A is one
High level is short in cycle, a pulse of low level length；When A phase voltage power down, first diode does not turn on, photosensitive three pole
Pipe is in cut-off state, high potentials of the AC_CHK_A unanimously in pull-up.Core board I/O port AC_CHECK_O1 passes through analog switch
AC_CHK_A is connected to, I/O port is interrupted using trailing edge triggering, carries out step-by-step counting, often trigger and once remember pulsatile once, every time
Gate time is 100mS（That is 5 doubling times）, see pulse number in gate time, have control source if >=3 times, such as once
Do not represent that power down no-voltage inputs then, other B phases, C phase detection of power loss principles are consistent with the above.
Phase shortage detection of power loss analog switch unit uses analog switch CD4051, and chip Pin6 pins INH is silent by being grounded
Think low level, inquired about according to chip handbook, when only INH is low level, analog switch could act, and otherwise end, and pass through
Core board exports the state of A0, A1, A2, mono- tunnels of IN/OUT1- IN/OUT7 is selected to be turned on OUT/IN, OUT/IN connection cores
Core detects I/O port AC_CHECK_O1, and I/O port is interrupted using trailing edge triggering, carries out step-by-step counting, often trigger and once remember once
Pulse, each gate time are 100mS（That is 5 doubling times）, see pulse number in gate time, have the voltage defeated if >=3 times
Enter, as once not if represent power down no-voltage input.CD4051 and CD4067 shares A0, A1, A2 input pin, so increases
The utilization rate of I/O port, while do not influence the regular event of analog switch.
Switching value unit, by default, for K1_IN without On-off signal, it is high that optocoupler is not turned on K1_OUT outputs
Level, but have On-off signal, optocoupler conducting, K1_OUT is pulled low, and exports low level, and core board AC_CHECK_O1 passes through mould
Intend switch and be connected to K1_OUT, detect K1_OUT level to judge the input state of switching value.Level as turns on to be low, level
It is to turn off for height, other four-way switch amount detection circuit principles are consistent with the above.
Switching value analog switch unit, switching value output K1_OUT, K2_OUT, K3_OUT, K4_OUT pass through
Analog switch CD4051 is connected to AC_CHECK_O1, by the control of A0, A1, A2 input state, is turned on respectively with OUT/IN,
By core board ADC Port detecting states, level as turns on to be low, and level is shut-off for height.
The above is only the preferable specific embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, in the technical scope that any one skilled in the art discloses in the utility model, can be readily occurred in
Change or replacement, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with
Subject to the scope of the claims.
Claims (10)
1. a kind of wireless remote timing control switch, when control switch includes power supply module, communication module, display module, RTC
Clock module and detection module, it is characterised in that：
Power supply module is connected successively with communication module, display module, RTC clock module and detection module, for powering, detects mould
Block is connected with communication module, detection data is transferred to communication module, data sending gives display mould to communication module by treated
Block is shown；
The power supply module includes three phase mains supply input unit, AC/DC 12V power supply units, DC6-28V direct current supplys input
Unit, DC12V merge power supply unit, DC7.0 ~ 8.4V battery assembly modules, battery powered short-circuited terminal unit, battery charging and discharging list
Member, DC/DC 5.5V power supply units, DC/DC 3.3V power supply units;
The communication module includes ARM CPU wireless telecommunications core cell, GPRS/4G wireless communication units, SMA antennal interface lists
Member, RS232 communication interfaces, RS485 communication interfaces；
The display module includes HMI display units, HMI display screen power switch unit, TTL RS 232 units；
The detection module includes relay drive unit, dual-host backup detection analog switch unit, phase shortage detection of power loss and simulates and open
Close unit, switching value analog switch unit, dual-host backup detection unit, phase shortage detection of power loss unit, switching value list
Member.
2. wireless remote timing control switch according to claim 1, it is characterised in that：
The three phase mains supply input unit is using three-phase electricity during the wire connection terminal guarantee equipment application of 7.62mm spacing
Enough electrical isolations, by exchange power supply and distribution facility in triple line A, B, C, N totally 4 lines access this wireless remote timing control
System switch is powered for the pile defection and equipment of three-phase voltage.
3. wireless remote timing control switch according to claim 1, it is characterised in that：
The DC6-28V direct current supplys input unit selects the DC power supplier with higher lightning protection Anti-surging grade.
4. wireless remote timing control switch according to claim 1, it is characterised in that：
The DC12V merges merging power supply of the power supply unit using 4 DC12V DC supply inputs, in A, B, C three-phase alternating current and
DC6-28V direct currents in totally 4 externally feds, to input normally to ensure that wireless remote timing control as long as there are one externally feds
Make the normal work of switch.
5. wireless remote timing control switch according to claim 1, it is characterised in that：
When equipment does not work for a long time, the battery powered short-circuited terminal unit is disconnected, cell during discharge is avoided, in equipment
During work, using conducting wire by battery powered short-circuited terminal unit short circuit, power supply of the battery pack to equipment is completed.
6. wireless remote timing control switch according to claim 1, it is characterised in that：
When external power supply is powered, the battery charging and discharging unit charges to battery pack, in external power supply failure,
DC/DC 5.5V power supply units, the ARM CPU wireless telecommunications core lists to be discharged by the battery charging and discharging unit to equipment
Member, GPRS/4G wireless communication units, HMI display screen power switch units.
7. wireless remote timing control switch according to claim 1, it is characterised in that：
The SMA antenna interface units include high-speed radio SMA interfaces, low-speed wireless SMA interfaces, GPRS/4G SMA and connect
Mouthful.
8. wireless remote timing control switch according to claim 1, it is characterised in that：
Power supply between the unit is divided into two classes, and the first kind merges power supply unit by DC12V, and by DC/
DC3.3V power supply units provide a DC3.3V DC power supply, the DC12V merge power supply unit to relay drive unit, open
Pass amount detection power supply, DC3.3V power supplys are powered to dual-host backup detection, phase shortage detection of power loss, RS485 communication interfaces；Second class is led to
It crosses DC12V and merges power supply, by battery charging and discharging unit, power supply power supply, the DC5.5V are provided to DC/DC 5.5V power modules
Power supply is powered to ARM CPU wireless telecommunications core cell, GPRS/4G wireless communication units, HMI display units；In external communication
When DC power supply is normal, all modules of equipment all in working condition, once device external power supply failure, it is necessary to
When providing power supply by the battery pack inside equipment, first kind power pack will be in state of stopping power supply, and be supplied in only second
Electric part is powered using battery pack, electric quantity consumption when so reducing battery-powered to greatest extent, extend equipment without
The time that the connection of line communication channel is kept.
9. wireless remote timing control switch according to claim 1, it is characterised in that：
One dual-host backup detection function of the control design case for each contactor, passes through the dual-host backup detection function
It realizes that two or more timing control switch device backups control, when main equipment is working properly, passes through main equipment
It realizes the switch control of contactor, in master-failure, can realize that the switch of contactor is controlled by stand-by equipment；
The control relay for each contactor has 4 alternating current signal detection points, can be detected by this 4 test points
Contactor state of a control, 4 control relays control the switch of 4 contactors, a total of 4 × 4 totally 16 test points, by every
From dual-host backup detection unit and 16 select 1 module switch that the signal of 16 test points is input to ARM CPU processing in turn
The IRQ interrupt pins of device judge whether have the impulse waveform of conversion to carry out dual-host backup signal to cycle in the IRQ interrupt pins
Detection, and calculate whether start spare control.
10. wireless remote timing control switch according to claim 1, it is characterised in that：
The phase shortage detection of power loss detects in the three phase mains supply input unit wires of input whether have the cycle by detection circuit
The sine wave signal of property, so as to judge A, B, C three phase mains whether phase shortage power down；
The detection method for phase shortage power down is by the phase shortage detection of power loss unit of isolation and 41 analog switch to be selected to select
The IRQ interrupt pins that a detection signal is input to ARM CPU processors are selected, judge whether there is conversion in the IRQ interrupt pins
Impulse waveform come cycle carry out phase shortage power-off signal detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721225174.3U CN207457752U (en) | 2017-09-22 | 2017-09-22 | A kind of wireless remote timing control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721225174.3U CN207457752U (en) | 2017-09-22 | 2017-09-22 | A kind of wireless remote timing control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207457752U true CN207457752U (en) | 2018-06-05 |
Family
ID=62283859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721225174.3U Active CN207457752U (en) | 2017-09-22 | 2017-09-22 | A kind of wireless remote timing control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207457752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107491013A (en) * | 2017-09-22 | 2017-12-19 | 武汉微智创大科技有限公司 | A kind of wireless remote timing control switch |
| WO2021121959A1 (en) * | 2019-12-18 | 2021-06-24 | Endress+Hauser Flowtec Ag | Serial interface |
-
2017
- 2017-09-22 CN CN201721225174.3U patent/CN207457752U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107491013A (en) * | 2017-09-22 | 2017-12-19 | 武汉微智创大科技有限公司 | A kind of wireless remote timing control switch |
| WO2021121959A1 (en) * | 2019-12-18 | 2021-06-24 | Endress+Hauser Flowtec Ag | Serial interface |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207382047U (en) | Detection of power loss and main power supply switching system in intelligent domestic system | |
| TWI550987B (en) | Multipurpose power management system and method | |
| CN102830255B (en) | A kind of intelligent electric energy meter with electricity consumption malfunction monitoring defencive function | |
| CN105680559B (en) | A kind of transformer station direct current system | |
| CN105116296A (en) | Special fault indicator for high-voltage power transmission network cable line | |
| CN107359487A (en) | Distributed remote control apparatus socket and management of power use method | |
| CN107482780A (en) | A kind of wireless distributed monitoring method, equipment and system | |
| CN205647002U (en) | Integrated uninterrupted power source's thing networking communication box | |
| CN207457752U (en) | A kind of wireless remote timing control switch | |
| CN109274118A (en) | A kind of electric power distribution system and distribution method based on the electric room of intelligence | |
| CN109449944A (en) | Substation's two-way type DC power control system and method | |
| CN107024615B (en) | Direct access type three-dimensional metering electric energy meter | |
| CN204243884U (en) | For the supply unit of distribution terminal | |
| CN208955742U (en) | Meet the preposition access device of the special transformer terminals of phase three-wire three of dual power supply | |
| CN208044844U (en) | A kind of intelligent photovoltaic data collection station | |
| CN207232252U (en) | A kind of dual power supply electric quantity collector | |
| CN107491013A (en) | A kind of wireless remote timing control switch | |
| CN109256853A (en) | Meet the preposition access device and method of the special transformer terminals of phase three-wire three of dual power supply | |
| CN107632198B (en) | Dual-power electric quantity acquisition device and application method thereof | |
| CN109599944A (en) | Intelligent distribution transformer terminals | |
| CN207457753U (en) | A kind of wireless remote timing control switch expanding unit | |
| CN205027858U (en) | Special fault indicator of high -tension transmission net cable run | |
| CN207766027U (en) | A kind of POE direct currents backup power supply system | |
| CN108512308B (en) | Building energy consumption collection system | |
| CN207638399U (en) | A kind of Intelligent power distribution case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200508 Address after: 361001 Room 601, No. 6, shiting Road, Siming District, Xiamen City, Fujian Province Patentee after: Ye Yirong Address before: 430074 Wuhan City, Wuhan City, Hubei East Lake high tech Zone, Optics Valley Avenue, No. 46 Li Dao 3, 2 unit 205 Patentee before: WUHAN WEIZHI CHUANGDA TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200728 Address after: Room 501, No.42, Guanren Road, Siming District, Xiamen City, Fujian Province Patentee after: Xiamen Jingfu Communication Co., Ltd Address before: 361001 Room 601, No. 6, shiting Road, Siming District, Xiamen City, Fujian Province Patentee before: Ye Yirong |
|
| TR01 | Transfer of patent right |