CN206712700U - A kind of rotating-speed tracking module of band reversion decompression function - Google Patents
A kind of rotating-speed tracking module of band reversion decompression function Download PDFInfo
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- CN206712700U CN206712700U CN201720460496.XU CN201720460496U CN206712700U CN 206712700 U CN206712700 U CN 206712700U CN 201720460496 U CN201720460496 U CN 201720460496U CN 206712700 U CN206712700 U CN 206712700U
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- circuit
- signal isolation
- cpu
- control circuit
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Abstract
The utility model discloses a kind of rotating-speed tracking module of band reversion decompression function, it is made up of rotary encoder, sample circuit, signal isolation circuit one, CPU, signal isolation circuit two, starting or stopping control circuit, signal isolation circuit three, speed-regulating control circuit, signal isolation circuit four and reverse turn control circuit, feature is that rotary encoder connects sample circuit；Sample circuit connects signal isolation circuit one；Signal isolation circuit one connects CPU；CPU connections signal isolation circuit two；Signal isolation circuit two connects starting or stopping control circuit；Starting or stopping control circuit connects frequency converter；CPU connections signal isolation circuit three；Signal isolation circuit three connects speed-regulating control circuit；Speed-regulating control circuit connects frequency converter；CPU connection touch-screens；CPU connections signal isolation circuit four；Signal isolation circuit four connects reverse turn control circuit；Reverse turn control circuit connects frequency converter.Pressure in the original defeated glue loop of energy automatic drawing unloading, it also can guarantee that and supply glue promptness when next time starts.
Description
Technical field
The utility model belongs to PUR spraying equipment field, and in particular to a kind of rotating-speed tracking of band reversion decompression function
Module.
Background technology
Hot melt adhesive machine is primarily used to PUR glue spraying, is applied to a variety of industries at present.PUR is first in melting basin
Heating, and defeated glue trunnion is sent into by certain pressue device, it is resent in gun body, is compressed eventually through solenoid valve control empty
Gas control system is glued.The applying glue control and the start and stop of production line of PUR link, and rotating-speed tracking module is responsible for the start and stop to production line
Be tracked, being responsible for the action of applying glue magnetic valve allows, and control frequency converter inside glue making machine reach to the start and stop for glue motor and
Rotating speed is controlled.
Comparative maturity is stable in start-stop, rotating speed control aspect for current rotating-speed tracking module, but unresolved actual
A problem in use, it is exactly the pressure release problem for glue loop.For glue loop by hot melt adhesive machine main frame, defeated glue trunnion, gun body
Three forms, for actual use demand, this three using can the structure of plug be attached, it is defeated entering glue laminated for glue loop
After glue trunnion, gun body, when production line midway is shut down, although after tracking module controls, for glue motor stalls, temporarily stop
Only PUR is pressed again by defeated glue trunnion, but the PUR in original defeated glue path will keep certain pressure, now such as
If for safeguard etc. need to extract defeated glue trunnion, will cause PUR from junction spray, due to PUR it is heated after be in
The condition of high temperature, operating personnel are easily accidentally injured, so should be by the glue laminated removal in defeated glue path, the shortcomings that prior art when shutting down：
1st, do not possess reversion decompression function, when stopping supplying glue, removal can not be carried out to the pressure in defeated glue loop automatically, it is right
Huge potential safety hazard be present in operating personnel.2nd, pressure release speed, time are non-adjustable, cause defeated glue loop pressure after production line restarting
Power deficiency, is lagged for glue.This is also that the utility model mainly solves the problems, such as.
The content of the invention
The purpose of this utility model be to provide one kind can quick detection production line start and stop differentiate and possess auto-reverse let out
The rotating-speed tracking module of function is pressed, the module not only possesses start-up and shut-down control, the rotating-speed tracking control work(that conventional module has
Can, reversal frequency, time adjustable decompression function are provided simultaneously with, effectively avoids potential safety hazard caused by extracting defeated glue trunnion etc.,
It can be realized again after production line starts simultaneously and quickly supply glue.
The purpose of this utility model is achieved in that a kind of rotating-speed tracking module of described band reversion decompression function,
By rotary encoder, sample circuit, signal isolation circuit one, CPU, signal isolation circuit two, starting or stopping control circuit, signal isolation
Circuit three, speed-regulating control circuit, signal isolation circuit four and reverse turn control circuit composition, it is characterised in that rotary encoder connects
Connect sample circuit；Sample circuit connects signal isolation circuit one；Signal isolation circuit one connects CPU；CPU connections signal isolation electricity
Road two；Signal isolation circuit two connects starting or stopping control circuit；Starting or stopping control circuit connects frequency converter；CPU connections signal isolation electricity
Road three；Signal isolation circuit three connects speed-regulating control circuit；Speed-regulating control circuit connects frequency converter；CPU connection touch-screens；CPU
Connect signal isolation circuit four；Signal isolation circuit four connects reverse turn control circuit；Reverse turn control circuit connects frequency converter.
Described sample circuit or signal isolation circuit one include isolation optocoupler, and isolation optocoupler input positive terminal passes through current limliting electricity
Resistance connection power supply, this power supply is consistent with the power supply that rotary encoder is powered, and isolation optocoupler negative terminal meets the signal IN of rotary encoder
End, with CPU altogether, isolation optocoupler output end colelctor electrode connects power supply to isolation optocoupler output end emitter stage by pull-up resistor, this electricity
Source is consistent with the power supply that CPU powers, and isolation optocoupler output end colelctor electrode connects the rotary pulsed of CPU pin sample code devices simultaneously
End.
Described signal isolation circuit two or starting or stopping control circuit include isolation optocoupler, and isolation optocoupler input positive terminal passes through limit
Leakage resistance connects power supply, and this power supply is consistent with the power supply that CPU powers, and isolation optocoupler input negative terminal connects CPU start-up and shut-down control pins,
With Frequency Converter Control end altogether, isolation optocoupler output end colelctor electrode connects a miniature relay coil to isolation optocoupler output end emitter stage
One end, another termination power of miniature relay coil, while be connected to using diode reverse the both ends of miniature relay,
The normally opened contact of miniature relay connects the start-up and shut-down control input of frequency converter.
Described signal isolation circuit three or speed-regulating control circuit include multigroup photoisolator, multigroup photoisolator pair
CPU is isolated with DA chips, after connecting amplifier follower after the output of DA chips, then is connected to the speed governing input of frequency converter
Mouthful.
Described signal isolation circuit four or reverse turn control circuit include isolation optocoupler, and isolation optocoupler input positive terminal passes through limit
Leakage resistance connects power supply, and this power supply is consistent with the power supply that CPU powers, and isolation optocoupler input negative terminal connects CPU start-up and shut-down control pins,
With Frequency Converter Control end altogether, isolation optocoupler output end colelctor electrode connects a miniature relay coil to isolation optocoupler output end emitter stage
One end, another termination power of miniature relay coil, while be connected to using diode reverse the both ends of miniature relay,
The normally opened contact of miniature relay connects the reversion input sample end of frequency converter.
The advantages of the utility model：The rotating-speed tracking module of band described in the utility model reversion decompression function, can be by
Removal is needed to avoid needing to extract defeated glue trunnion for maintenance etc., cause PUR from junction for the residual compression in glue loop
The situation generation for accidentally injuring operating personnel is sprayed, venting duration and frequency can be set, ensure again under the premise that security is guaranteed on demand
Glue promptness is supplied when lower subline starts.
The characteristics of the utility model：A kind of rotating-speed tracking module of band reversion decompression function of the present utility model, possesses anti-
Turn control circuit, the pressure in the original defeated glue loop of motor reversal automatic drawing unloading is can control in production line stop.
By being controlled to speed reversal and time, so as to reach the control of pressure release size, extracted after pressure release is ensured
Security needs during defeated glue trunnion, it in turn ensure that and supply glue promptness when next time starts.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is circuit diagram used by sample circuit and signal isolation circuit one in Fig. 1.
Fig. 3 is signal isolation circuit two in Fig. 1, circuit diagram used by starting or stopping control circuit.
Fig. 4 is signal isolation circuit three in Fig. 1, circuit diagram used by speed-regulating control circuit.
Embodiment
As shown in figure 1, the rotating-speed tracking module of band reversion decompression function described in the utility model, by sample circuit 1, letter
Number isolation circuit 1, CPU 3, signal isolation circuit 24, starting or stopping control circuit 5, signal isolation circuit 36, speed regulating control
Circuit 7, signal isolation circuit 48, reverse turn control circuit 9 form, using Phototube Coupling member inside each input/output section
Part carries out signal isolation.Rotary encoder connects sample circuit 1, and described sample circuit 1 is prior art, or can be used
Circuit as shown in Figure 2；Sample circuit 1 connects signal isolation circuit 1, and described signal isolation circuit 1 is existing skill
Art, or circuit as shown in Figure 2 can be used；Signal isolation circuit 1 connects CPU；CPU connections signal isolation circuit two
4, described signal isolation circuit 24 is prior art, or can use circuit as shown in Figure 3；Signal isolation circuit two
4 connection starting or stopping control circuits 5, described starting or stopping control circuit 5 is prior art, or can use circuit as shown in Figure 3；
Starting or stopping control circuit 5 connects frequency converter；CPU connections signal isolation circuit 36, described signal isolation circuit 36 are existing
Technology, or circuit as shown in Figure 4 can be used；Signal isolation circuit 36 connects speed-regulating control circuit 7, described speed governing
Control circuit 7 is prior art, or can use circuit as shown in Figure 4；Speed-regulating control circuit 7 connects frequency converter；CPU connects
Connect touch-screen；CPU connections signal isolation circuit 48, described signal isolation circuit 48 is prior art, or can be used
Circuit as shown in Figure 3；Signal isolation circuit 48 connects reverse turn control circuit 9, and described reverse turn control circuit 9 is existing skill
Art, or circuit as shown in Figure 3 can be used；Reverse turn control circuit 9 connects frequency converter.
Sample circuit 1, the actual circuit of signal isolation circuit 1 that rotary encoder is connected are as shown in Fig. 2 isolation light
Coupling P1 input positive terminals isolate light by current-limiting resistance R1 connection power supplys+Va (this power supply is consistent with rotary encoder power supply)
Coupling P1 negative terminals meet code device signal IN, isolation optocoupler P1 output ends emitter stage with CPU altogether, isolation optocoupler P1 output end colelctor electrodes
Power supply+Vb (this power supply is consistent with the power supplies of CPU 3) is connect by pull-up resistor R2, isolation optocoupler P1 output ends colelctor electrode is simultaneously
Connect the rotary pulsed end of the pin sample code devices of CPU 3.
Signal isolation circuit 24, starting or stopping control circuit 5 actually use circuit as shown in figure 3, isolation optocoupler P2 is inputted just
End passes through current-limiting resistance R3 connection power supplys+Vb (this power supply is consistent with the power supplies of CPU 3), isolation optocoupler P2 input negative terminals K1
Connect the start-up and shut-down control pins of CPU 3, isolation optocoupler P2 output ends emitter stage with Frequency Converter Control end altogether, isolation optocoupler P2 output ends
Colelctor electrode meets one end of a miniature relay KM1 coils, another termination power Vc of KM1 coils, while uses diode D1 anti-
To and connect and relay KM1 both ends.KM1 normally opened contacts RUNa and RUNb connect the start-up and shut-down control input of frequency converter.
Signal isolation circuit 36, the connection scheme of speed-regulating control circuit 7 are as shown in Figure 4.Using multigroup photoisolator
P1~P1n isolates to CPU with DA chips, and DA chips can use the ready-made chip for possessing multigroup output, in the application
The AD5328 used.The speed governing input port for being connected to frequency converter after amplifier follower again is used after the output of DA chips.
Signal isolation circuit 48, the circuit actual circuit of reverse turn control circuit 9 are consistent with Fig. 3, by relay contact pin
Control can be achieved in the reversion input sample end for being connected to frequency converter.
As shown in figure 1, rotary encoder is installed in any rotary shaft of production line, to detect the start and stop of production line and speed
Degree, code device signal are handled by sample circuit 1, signal isolation circuit 1 into CPU 3, and CPU 3 ties according to processing
Fruit controls corresponding to performing.When detecting production line normal operation, pass through signal isolation circuit 24, starting or stopping control circuit 5
Control frequency converter drives supplies glue for the operating of glue motor, and certain electricity is exported by signal isolation circuit 36, speed-regulating control circuit 7
Pressure/electric current speed-regulating signal control frequency converter is exported so as to control for glue motor speed by assigned frequency, so as to control for glue amount.When
After production line stops, reversal frequencies and reversing time of the CPU 3 according to set by external touch-screen, pass through signal isolation circuit
48, reverse turn control circuit 9 controls frequency converter to perform reversion, and carries out timing, allows the PUR in original defeated glue loop by original
Path returns, and realizes decompression function, when inverted between reach can be by signal isolation circuit 24, start-up and shut-down control after setting value
Circuit 5 stops frequency converter operating.By controlling the i.e. controllable pressure value for needing removal of reversing time, to be lower subline
Startup is prepared.
Claims (5)
- A kind of 1. rotating-speed tracking module of band reversion decompression function, by rotary encoder, sample circuit (1), signal isolation circuit First, CPU (3), signal isolation circuit two (4), starting or stopping control circuit (5), signal isolation circuit three (6), speed-regulating control circuit (7), signal isolation circuit four (8) and reverse turn control circuit (9) composition, it is characterised in that rotary encoder connects sample circuit (1)；Sample circuit (1) connection signal isolation circuit one (2)；Signal isolation circuit one（2）Connect CPU；CPU connection signal isolations Circuit two (4)；Signal isolation circuit two (4) connection starting or stopping control circuit (5)；Starting or stopping control circuit (5) connects frequency converter；CPU Connect signal isolation circuit three (6)；Signal isolation circuit three (6) connection speed-regulating control circuit (7)；Speed-regulating control circuit (7) is even Connect frequency converter；CPU connection touch-screens；CPU connection signal isolation circuits four (8)；Signal isolation circuit four (8) connection reversion control Circuit (9)；Reverse turn control circuit (9) connects frequency converter.
- 2. the rotating-speed tracking module of a kind of band reversion decompression function according to claim 1, it is characterised in that described adopts Sample circuit (1) or signal isolation circuit one (2) include isolation optocoupler, and isolation optocoupler input positive terminal connects electricity by current-limiting resistance Source, this power supply is consistent with the power supply that rotary encoder is powered, and isolation optocoupler negative terminal connects the signal IN ends of rotary encoder, isolates light With CPU altogether, isolation optocoupler output end colelctor electrode connects power supply to coupling output end emitter stage by pull-up resistor, this power supply and CPU (3) The power supply of power supply is consistent, and isolation optocoupler output end colelctor electrode meets CPU simultaneously（3）The rotary pulsed end of pin sample code device.
- 3. the rotating-speed tracking module of a kind of band reversion decompression function according to claim 1 or 2, it is characterised in that described Signal isolation circuit two (4) or starting or stopping control circuit (5) include isolation optocoupler, isolation optocoupler input positive terminal passes through current-limiting resistance Power supply is connected, this power supply is consistent with the power supply that CPU (3) powers, and isolation optocoupler input negative terminal meets CPU（3）Start-up and shut-down control pin, With Frequency Converter Control end altogether, isolation optocoupler output end colelctor electrode connects a miniature relay coil to isolation optocoupler output end emitter stage One end, another termination power of miniature relay coil, while be connected to using diode reverse the both ends of miniature relay, The normally opened contact of miniature relay connects the start-up and shut-down control input of frequency converter.
- 4. the rotating-speed tracking module of a kind of band reversion decompression function according to claim 1 or 2, it is characterised in that described Signal isolation circuit three (6) or speed-regulating control circuit (7) include multigroup photoisolator, multigroup photoisolator to CPU with DA chips are isolated, and after connecting amplifier follower after the output of DA chips, then are connected to the speed governing input port of frequency converter.
- 5. the rotating-speed tracking module of a kind of band reversion decompression function according to claim 1 or 2, it is characterised in that described Signal isolation circuit four (8) or reverse turn control circuit (9) include isolation optocoupler, isolation optocoupler input positive terminal passes through current-limiting resistance Power supply is connected, this power supply is consistent with the power supply that CPU (3) powers, and isolation optocoupler input negative terminal meets CPU（3）Start-up and shut-down control pin, With Frequency Converter Control end altogether, isolation optocoupler output end colelctor electrode connects a miniature relay coil to isolation optocoupler output end emitter stage One end, another termination power of miniature relay coil, while be connected to using diode reverse the both ends of miniature relay, The normally opened contact of miniature relay connects the reversion input sample end of frequency converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460496.XU CN206712700U (en) | 2017-04-28 | 2017-04-28 | A kind of rotating-speed tracking module of band reversion decompression function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460496.XU CN206712700U (en) | 2017-04-28 | 2017-04-28 | A kind of rotating-speed tracking module of band reversion decompression function |
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| Publication Number | Publication Date |
|---|---|
| CN206712700U true CN206712700U (en) | 2017-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720460496.XU Expired - Fee Related CN206712700U (en) | 2017-04-28 | 2017-04-28 | A kind of rotating-speed tracking module of band reversion decompression function |
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| Country | Link |
|---|---|
| CN (1) | CN206712700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052753A (en) * | 2019-06-17 | 2019-07-26 | 佛山市南海品三能金属制品有限公司 | A kind of stainless steel tube welder |
| CN110376396A (en) * | 2019-08-30 | 2019-10-25 | 山东海格尔交通安全科技有限公司 | A kind of Acquisition Circuit of rotating speed of automobile engine and speed signal |
-
2017
- 2017-04-28 CN CN201720460496.XU patent/CN206712700U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110052753A (en) * | 2019-06-17 | 2019-07-26 | 佛山市南海品三能金属制品有限公司 | A kind of stainless steel tube welder |
| CN110376396A (en) * | 2019-08-30 | 2019-10-25 | 山东海格尔交通安全科技有限公司 | A kind of Acquisition Circuit of rotating speed of automobile engine and speed signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211130 Address after: 350012 No. 106, fufei South Road, Gulou District, Fuzhou City, Fujian Province Patentee after: FUJIAN POLYTECHNIC OF INFORMATION TECHNOLOGY Address before: 350012 unit 301, block 2, Beishang a, Xiushan Road, Jin'an District, Fuzhou City, Fujian Province Patentee before: Fang Fengling |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20210428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |