CN206684537U - Multifunctional ligand electric controller - Google Patents
Multifunctional ligand electric controller Download PDFInfo
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- CN206684537U CN206684537U CN201720420889.8U CN201720420889U CN206684537U CN 206684537 U CN206684537 U CN 206684537U CN 201720420889 U CN201720420889 U CN 201720420889U CN 206684537 U CN206684537 U CN 206684537U
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Abstract
Multifunctional ligand electric controller provided by the utility model, including shell, the circuit board that is arranged in shell and the control panel for being arranged on outer casing frontispiece；Circuit board is provided with power module, processor and some groups of control loops；Power module is used to power to multifunctional ligand electric controller；Every group of control loop include relay, several set button on the control panel and several be arranged on the input terminal and outlet terminal of shell rear surface；Wherein input terminal and outlet terminal are used to be connected with external equipment, the input of the output end access controller of button, the output end of controller electrically connects with the control terminal of relay, and the tip side of relay electrically connects with the outlet terminal of control loop where it；The processor controls the break-make of outlet terminal according to the signal of input terminal, and the controller can be applied in existing secondary circuit, reduce the complexity of second loop return wiring, is convenient for changing maintenance, improves production efficiency.
Description
Technical field
The utility model belongs to field of power distribution, and in particular to multifunctional ligand electric controller.
Background technology
The component mainly controlled in motor control using contactor as start-stop, matched control loop are called two
Minor loop.Secondary circuit includes measuring loop, relay protection circuit, switch control and signal loop, operational power source circuit, open circuit
Whole low tension loops such as the electric blocking loop of device and disconnecting switch.After start button is pressed, secondary circuit is connected, contactor
Coil obtain it is electric, contactor connect major loop, motor is electrically activated.After stop button is pressed, secondary circuit disconnects, contactor
Coil losing electricity, contactor disconnect major loop, stop motor dead electricity.Secondary circuit be exactly allow motor started by certain logic and
The control loop of stopping.
Main element and its secondary circuit are mainly incorporated into distribution box (cabinet) by traditional secondary loop, instruction
Lamp, button, knob etc. want manually-operated element to be arranged on the door-plate of distribution box (cabinet), both facilitate operation, avoid element again
Short-circuit, on fire, blast etc. is dangerous to be damaged to operator.In actual production, the typically installation one of a distribution box (cabinet)
Or several control loops, not only including simple secondary circuit, in addition to many complex secondary circuits.Secondary circuit
More complicated, the wiring in distribution box (cabinet) is more, and the button, indicator lamp on distribution box (cabinet) door also accordingly increase, distribution box
The volume of (cabinet) accordingly increases, and the cycle of production is longer, while error rate is higher.As can be seen here, traditional secondary loop is main
There is following shortcoming：
1st, traditional secondary loop make it that indicator lamp on distribution box (cabinet), button quantity are more, in production distribution box (cabinet)
Door-plate when be easier open a hole or open a hole less, cause substandard products and do over again.
2nd, higher being required to producers' professional technique, ordinary people is difficult to quick participation and come in, and the pre-job training time is longer,
Make enterprise's cost of labor increase.
3rd, traditional secondary loop is more, and worker's speed of production is slower, has a strong impact on life cycle of the product, causes product can not
Delivery just-in-time.
4th, when secondary circuit is more complicated, wiring error is easily caused, if any not connecting at one, whole system all can not be just
Often operation.
5th, it could use and safeguard that later maintenance cost is too high for complicated loop, only professional person.
6th, larger by such environmental effects because loop contact is more, hot and cold, pressure may all make loop short circuit occur
With the situation of open circuit, because of complex circuit after going wrong, searching speed can be very slow, and maintenance time is longer.
7th, traditional secondary loop can only input and output dry contact signal and voltage signal, it is impossible to meets modern intelligent building
Digital Signals requirement.
Utility model content
For in the prior art the defects of, the utility model provide multifunctional ligand electric controller, can apply existing
In secondary circuit, the complexity of second loop return wiring is reduced, is convenient for changing maintenance, improves production efficiency.
Multifunctional ligand electric controller, including shell, the circuit board that is arranged in shell and the control for being arranged on outer casing frontispiece
Panel processed；Circuit board is provided with power module, processor and some groups of control loops；Power module is used for automatically controlled to multifunctional ligand
Device power supply processed；Every group of control loop include relay, several set button on the control panel and several be arranged on
The input terminal and outlet terminal of shell rear surface；Wherein input terminal and outlet terminal are used to connect with external equipment
Connect, the input of the output end access controller of button, the output end of controller electrically connects with the control terminal of relay, relay
Tip side electrically connected with the outlet terminal of control loop where it；The processor controls according to the signal of input terminal
The break-make of outlet terminal.
Preferably, LED circuit is additionally provided with the circuit board, LED circuit includes several and set on the control panel
LED and the first shift register, the LED output ends of the processor access the input of the first shift register, and first moves
The parallel output terminal of bit register connects the LED respectively.
Preferably, the LED corresponds with the button, and LED is used for the working condition for showing corresponding button.
Preferably, man-machine interaction circuit is additionally provided with the circuit board, man-machine interaction circuit includes being arranged on control panel
On charactron and the second shift register；The section of the processor selects the input of output end the second shift register of access,
The section of the parallel output termination charactron of second shift register selects input, and the position of processor selects output end to pass through the poles of PNP tri-
Input is selected in the position that pipe connects charactron, and the position choosing output of wherein processor terminates the ground level of PNP triode, the hair of PNP triode
Penetrate level and connect high level, input is selected in the position that the colelctor electrode of PNP triode connects charactron.
Preferably, the shell rear surface is additionally provided with power supply terminal, and the power module accesses civil power by power supply terminal and supplied
Electricity.
Preferably, it is additionally provided with photoelectric isolating circuit on the circuit board；Photoelectric isolating circuit include respectively with input wires
The optocoupler connected with power supply terminal is held, wherein input terminal or power supply terminal connects the input of optocoupler, the output termination of optocoupler
The input of processor.
Preferably, the photoelectric isolating circuit also includes load driving circuits；The output end connection optocoupler of the processor
Input, the ground level of the output termination triode of optocoupler, the colelctor electrode of triode connects the control terminal of the relay, triode
Emitting stage ground connection.
Preferably, it is additionally provided with current detection circuit on the circuit board；Current detection circuit includes current transformer, power supply
Converter and operational amplifier；Power supply changeover device is used to positive voltage being converted to negative voltage, is powered to operational amplifier；Output connects
Line end connects the input of current transformer, the output of current transformer amplified by operational amplifier be followed by processor detection it is defeated
Enter end.
Preferably, the model STM32F030R8T6 of the processor.
Preferably, the button in every group of control loop includes start button, stopped key, hand/automatic keying and multiple
Position button；Start button is used to control the relay of the control loop to close；Stop key for control the control loop after
Electrical equipment disconnects；Hand/automatic keying is used between controlling and automatically controlling manually switch over；Reset key is used to control the control
Loop processed resets.
As shown from the above technical solution, multifunctional ligand electric controller of the present utility model, there is advantages below：
1st, it can apply in existing secondary circuit, reduce or eliminate the indicator lamp on distribution box (cabinet), button etc. and grasp
Make element, reduce production mistake.
The 2nd, as far as possible consistent connection plan is provided different secondary circuits, improve speed of production, reduce direct labor's
Error rate.
The 3rd, integral replacing scheme is provided, after making failure, energy quick-replaceable, solve problem, allow equipment quickly to throw again
Enter to use.
4th, the performance of the adverse circumstances such as the anti-hot and cold, pressure of product is improved.
5th, the input and output of data signal are increased, it is convenient to be interconnected with intelligent building or other systems.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to the ratios of reality
Draw.
Fig. 1 is the front view of multifunctional ligand electric controller.
Fig. 2 is the rearview of multifunctional ligand electric controller.
Fig. 3 is the side view of multifunctional ligand electric controller.
Fig. 4 is the schematic diagram of multifunctional ligand electric controller.
Fig. 5 is the theory diagram of multifunctional ligand electric controller.
Fig. 6 is the circuit diagram of processor.
Fig. 7 is the circuit diagram of man-machine interaction circuit.
Fig. 8 is the circuit diagram of photoelectric isolating circuit.
Fig. 9 is the circuit diagram of current detection circuit.
Figure 10 is the circuit diagram of power module.
Figure 11 is the circuit diagram of LED circuit.
Figure 12 is the circuit diagram of button.
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should
The ordinary meaning understood by the utility model one of ordinary skill in the art.
Embodiment：
Multifunctional ligand electric controller, as shown in figs. 1-12, including shell 1, the circuit board that is arranged in shell 1 and setting
In the positive control panel 2 of shell；Circuit board is provided with power module, processor and some groups of control loops；Power module is used
Powered in multifunctional ligand electric controller；Every group of control loop includes relay, several buttons of setting on the control panel
3 and several be arranged on the input terminal 5 and outlet terminal 6 of shell rear surface；Wherein input terminal 5 and output connect
Line end 6 is used to be connected with external equipment, the input of the output end access controller of button 3, the output end and relay of controller
The control terminal electrical connection of device, the tip side of relay electrically connect with the outlet terminal of control loop where it；The processor
The break-make of outlet terminal is controlled according to the signal of input terminal.
The controller loads onto a brain equivalent to conventional electrical box (cabinet).As shown in figure 4, it is by processor conduct
Major control chip, cooperation is played to all parts.In use, the input in secondary circuit is connect into input terminal
On, the output in secondary circuit is connect on outlet terminal, processor is judged the signal of various input terminals, so as to
The break-make of outlet terminal is controlled, to control the start-stop for the element being connected with outlet terminal.User only needs to do initial on a small quantity
Set, it is possible to meet user require, be truly realized it is general, it is easy-to-use.This controller has following excellent compared with traditional secondary loop
Point：
1st, no matter which kind of control requires, is only used in and 92*92 square hole installation controller is driven on distribution box (cabinet) door i.e.
Can, without the number of aperture for removing several indicator lamps, button again.Door-plate is able to batch production, improve production efficiency, it is wrong to reduce production
By mistake.
2nd, without going to see cumbersome electric diagram again, various secondary circuits all only need to connect the coil of contactor and feedback contact
Four lines, reduce the technical requirements to worker, reduce the possibility of wiring error.
3rd, secondary line and auxiliary reclay significantly reduces, cost-effective.
4th, various wiring points are reduced, and the probability for joint short circuit and open circuit occur reduces.
5th, due to saving original binding post and reducing wire harness amount, the volume of distribution box (cabinet) is greatly reduced, more can
Meet modern compact designed.
6th, controller uses modern PCB technology and surface mount elements, can accomplish IP44 degree of protection, improves tradition two
The performance of the adverse circumstances such as the anti-hot and cold, pressure of minor loop.
7th, controller can access the various external informations such as voltage, electric current, liquid level by sensor, make controller to motor
Control it is more intelligent.
8th, add 485 communication interfaces, can be interconnected with other systems, accomplish internet+, can also be with soft start, frequency conversion
Device etc. is communicated, and it can be controlled more multi-functional, be no longer limited to start-stop control.
As shown in fig. 6, the model STM32F030R8T6 of the processor.Microprocessor uses ST Microelectronics
That releases recently is used as the microprocessor of the system based on the arm processor STM32F030R8T6 that Cotex-M0 is core.
STM32F030R8T6 highests are operable with 48MHZ, inside FLASH, 16KB internal RAM with 64KB, RS232 and serially led to
Believe interface, 64 pin ports, and 12,8 tunnels ADC channel.
As shown in figure 11, in order to which the instantaneous operating conditions of clearly each group control loop, spy are devised with different colours
LED carrys out indicating operating status, and green LED is running status instruction, red LED is stopping instruction, blue led is that pattern refers to
Show, bright is automatic mode, and it is indicating fault to go out for manual mode, yellow led, and LED modules with different colors lamp corresponds to pressing for difference in functionality
Key, respectively start button, stop key, hand/automatic keying and reset key..Because the number of LED is more, in order to save
The pin of microprocessor is saved so being realized using 74HC595 chips, this chip could support up the control of 8 tunnels, the control of embodiment
8 LEDs are exceeded in device processed, so needing to use 2 74HC595 (U4, U5) to control, have been additionally provided with the circuit board
LED circuit, LED circuit include the LED D1~D12 and the first shift register of several settings on the control panel.It is described
The LED output ends of processor access the input of the first shift register, and the parallel output terminal of the first shift register connects respectively
The LED.The LED corresponds with the button, and LED is used for the working condition for showing corresponding button.
As shown in Figure 10, in order that the strong and weak electricity part of controller is not interfere with each other, the instantaneous pressure in power system is prevented
Spy adds Anti-surging function.This controller is respectively system power supply using two groups of power supplys, and one group by alternating current 220V by switching
Power module transforms to direct current 5V, is powered by equipment of the 3.3V power regulators to processor, charactron and correlation；Separately
One group transforms to direct current 5V by switch power module by alternating current 220V and is powered for control logic part.The shell rear surface is also set
There is power supply terminal 7, the power module accesses mains-supplied by power supply terminal 7.As shown in figure 12, controller in the present embodiment
Three road load circuits are supported, there is start button in each loop, stopped key, mode key, fault clearance button respectively.So
Three loops need 12 buttons, and set 4*4 matrix keyboard to be realized by rank scanning mode.Every group of control
Button in loop includes start button, stopped key, hand/automatic keying and reset key；Start button is used to control the control
The relay closure in loop processed；Stop key for controlling the relay of the control loop to disconnect；Hand/automatic keying is used in hand
It is dynamic to control and switched between automatically controlling；Reset key is used to control the control loop to reset.
As shown in fig. 7, in order that user's simple operation and directly perceivedization, the controller of the present embodiment use 4 Digital sum pipes
Carry out display information code and entry is set, make user's operation very clear.The controlling switch of charactron is more, micro- in order to save
The pin number of processor, driving is provided for the display of section with auto-lock function using logic circuit control chip 74HC595,
PNP triode S8550 is shown using scan mode come the driving being provided as.Man-machine interaction electricity is additionally provided with the circuit board
Road, man-machine interaction circuit include setting charactron LED1 and the second shift register U2 on the control panel；The processor
Section select output end access the second shift register input, the second shift register parallel output termination charactron section
Input is selected, the position of processor selects output end to connect the position of charactron by PNP triode Q1-Q4 and selects input, wherein processor
Position choosing output termination PNP triode ground level, the emitting stage of PNP triode connects high level, and the colelctor electrode of PNP triode connects number
Select input in the position of code pipe.
As shown in figure 8, in order that this controller is more safe and reliable, will load makes with outside voltage input and input source
Realized and the output of electrical-optical-electrical with the mode of Phototube Coupling.The system uses PC817 chips, and he has isolation voltage height most
A height of 5000V, the features such as current transfer ratio is higher.Photoelectric isolating circuit is additionally provided with the circuit board；Photoelectric isolating circuit bag
The optocoupler being connected respectively with input terminal and power supply terminal is included, wherein input terminal or power supply terminal connects the input of optocoupler
End, the input of the output termination processor of optocoupler.The photoelectric isolating circuit also includes load driving circuits；The processor
Output end connection optocoupler U8 input, optocoupler U8 output termination triode Q1 ground level, triode Q1 colelctor electrode connects
The control terminal of the relay K1, the emitting stage ground connection of triode.
As shown in figure 9, in order to detect the working condition of load in real time, while play the function of protection load and refer to
Show working condition of load etc..This controller is because non-loaded voltage introduces, so judging to bear using electric current detecting method
The working condition of load.Current detecting is used as detection device using punching current transformer.The electric current that current sensor detects
One fainter alternating voltage is exported in output end by no-load voltage ratio mode, after expecting that useful information has to pass through amplification
Obtain in the ADC for being suitable for a processor detection range.But processor can not handle AC signal, so also needing to carry out
The raising of voltage reference makes its AC signal in the voltage range more than or equal to 0V.So the ADC of processor is with regard to that can measure
Current signal.Current detection circuit is additionally provided with the circuit board；Current detection circuit includes current transformer T1, Power convert
Device and operational amplifier；Power supply changeover device is used to positive voltage being converted to negative voltage, is powered to operational amplifier；Outlet terminal
The input of current transformer is connect, the output of current transformer is followed by the detection input of processor by operational amplifier amplification
End.
Each control loop of this controller has two kinds of Starting mode to be divided into manual mode and automatic mode.
In a manual mode system detectio to manually boot control instruction and without any failure after, this control will be opened
The relay adhesive in loop is so as to dynamic load startup.If non-loaded or load is broken down and causes this loop no current
When, it will relay output is disconnected, while shows that non-loaded failure code plays a part of protection load and fault cues.
After processor detects stopping control instruction manually in load running, relay output is disconnected immediately, and load is out of service.Negative
In carrying row system detectio to external fault signal arrive when, can also disconnect immediately relay output, load it is out of service, simultaneously
Show the failure code of external fault.
System will detect the control signal of outside in automatic mode.If no signal will be shown without external control instruction
Failure code, when system detectio has enabled instruction to the one of which of outside two groups of control signals (i.e. whether button is pressed)
Afterwards, by the relay adhesive for opening this control loop so as to start with dynamic load, if non-loaded or load is broken down, lead
When causing this control loop no current, it will disconnect relay output, while show non-loaded failure code.In load running
System detectio to external fault signal arrive when, can also disconnect relay output immediately, load is out of service, while shows outside
The failure code of failure.
Malfunction will be locked after control loop failure, malfunction lamp will flash instruction.Fault restoration
Afterwards failure is eliminated using Failure elimination button.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (10)
1. multifunctional ligand electric controller, it is characterised in that including shell, the circuit board being arranged in shell and be arranged on shell
Positive control panel；Circuit board is provided with power module, processor and some groups of control loops；Power module is used for more work(
Can distribution controller power supply；Every group of control loop include relay, several button on the control panel and some is set
The individual input terminal and outlet terminal for being arranged on shell rear surface；Wherein input terminal and outlet terminal are used for and outside
Equipment connects, and the input of the output end access controller of button, the output end of controller electrically connects with the control terminal of relay,
The tip side of relay electrically connects with the outlet terminal of control loop where it；The processor is according to the letter of input terminal
Number control outlet terminal break-make.
2. multifunctional ligand electric controller according to claim 1, it is characterised in that LED electricity is additionally provided with the circuit board
Road, LED circuit includes several setting LEDs on the control panel and the first shift register, the LED of the processor are defeated
Go out the input terminated into the first shift register, the parallel output terminal of the first shift register connects the LED respectively.
3. multifunctional ligand electric controller according to claim 2, it is characterised in that the LED and the button are one by one
Corresponding, LED is used for the working condition for showing corresponding button.
4. multifunctional ligand electric controller according to claim 1, it is characterised in that man-machine friendship is additionally provided with the circuit board
Mutual circuit, man-machine interaction circuit include setting charactron and the second shift register on the control panel；The processor
Section selects the input of output end the second shift register of access, the Duan Xuan of the parallel output termination charactron of the second shift register
Input, the position of processor select output end to connect the position of charactron by PNP triode and select input, and the position of wherein processor is selected defeated
Go out to terminate the ground level of PNP triode, the emitting stage of PNP triode connects high level, and the colelctor electrode of PNP triode connects the position of charactron
Select input.
5. multifunctional ligand electric controller according to claim 1, it is characterised in that the shell rear surface is additionally provided with power end
Son, the power module access mains-supplied by power supply terminal.
6. multifunctional ligand electric controller according to claim 5, it is characterised in that be additionally provided with the circuit board photoelectricity every
From circuit；Photoelectric isolating circuit includes the optocoupler that is connected respectively with input terminal and power supply terminal, wherein input terminal or
Power supply terminal connects the input of optocoupler, the input of the output termination processor of optocoupler.
7. multifunctional ligand electric controller according to claim 6, it is characterised in that the photoelectric isolating circuit also includes negative
Carry drive circuit；The input of the output end connection optocoupler of the processor, the ground level of the output termination triode of optocoupler, three poles
The colelctor electrode of pipe connects the control terminal of the relay, the emitting stage ground connection of triode.
8. multifunctional ligand electric controller according to claim 1, it is characterised in that electric current inspection is additionally provided with the circuit board
Slowdown monitoring circuit；Current detection circuit includes current transformer, power supply changeover device and operational amplifier；Power supply changeover device is used for positive electricity
Pressure is converted to negative voltage, is powered to operational amplifier；Output connection terminate current transformer input, current transformer it is defeated
Go out to be followed by the detection input of processor by operational amplifier amplification.
9. multifunctional ligand electric controller according to claim 1, it is characterised in that the model of the processor
STM32F030R8T6。
10. multifunctional ligand electric controller according to claim 1, it is characterised in that pressing in every group of control loop
Key includes start button, stopped key, hand/automatic keying and reset key；Start button be used for control the control loop after
Electrical equipment closes；Stop key for controlling the relay of the control loop to disconnect；Hand/automatic keying is in manual control and certainly
Switched between dynamic control；Reset key is used to control the control loop to reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720420889.8U CN206684537U (en) | 2017-04-20 | 2017-04-20 | Multifunctional ligand electric controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720420889.8U CN206684537U (en) | 2017-04-20 | 2017-04-20 | Multifunctional ligand electric controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206684537U true CN206684537U (en) | 2017-11-28 |
Family
ID=60402906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720420889.8U Expired - Fee Related CN206684537U (en) | 2017-04-20 | 2017-04-20 | Multifunctional ligand electric controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206684537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463702A (en) * | 2020-05-15 | 2020-07-28 | 郑林 | Power supply and CPS measurement and control device |
| CN113687173A (en) * | 2021-09-13 | 2021-11-23 | 广东电网有限责任公司 | Secondary circuit testing device and testing method thereof |
-
2017
- 2017-04-20 CN CN201720420889.8U patent/CN206684537U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463702A (en) * | 2020-05-15 | 2020-07-28 | 郑林 | Power supply and CPS measurement and control device |
| CN113687173A (en) * | 2021-09-13 | 2021-11-23 | 广东电网有限责任公司 | Secondary circuit testing device and testing method thereof |
| CN113687173B (en) * | 2021-09-13 | 2024-04-02 | 广东电网有限责任公司 | Secondary circuit test device and test method thereof |
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Granted publication date: 20171128 |