CN110524635A - Electric heating wire current regulation and stabilization system and method for foam cutting machine - Google Patents
Electric heating wire current regulation and stabilization system and method for foam cutting machine Download PDFInfo
- Publication number
- CN110524635A CN110524635A CN201910837243.3A CN201910837243A CN110524635A CN 110524635 A CN110524635 A CN 110524635A CN 201910837243 A CN201910837243 A CN 201910837243A CN 110524635 A CN110524635 A CN 110524635A
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- Prior art keywords
- current
- heating wire
- signal
- cutting
- data register
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- Pending
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 64
- 239000006260 foam Substances 0.000 title claims abstract description 34
- 238000005485 electric heating Methods 0.000 title claims abstract description 26
- 230000033228 biological regulation Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000006641 stabilisation Effects 0.000 title claims description 20
- 238000011105 stabilization Methods 0.000 title claims description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 47
- 230000001105 regulatory effect Effects 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000001276 controlling effect Effects 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 29
- 230000003321 amplification Effects 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
- 230000003750 conditioning effect Effects 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 4
- 230000001012 protector Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000003019 stabilising effect Effects 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 101100190621 Arabidopsis thaliana PLC4 gene Proteins 0.000 description 13
- 238000004088 simulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/005—Computer numerical control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
- B26F3/12—Severing by using heat with heated members with heated wires
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Control Of Resistance Heating (AREA)
Abstract
The invention discloses a system and a method for regulating and stabilizing electric heating wire current of a foam cutting machine, comprising a cutting electric heating wire for electric heating cutting foam, wherein the cutting electric heating wire is connected with a power supply, the power supply comprises a transformer, the transformer is connected with a current regulating module, the control end of the current regulating module is connected with a current regulating and controlling device, and the current regulating and controlling device comprises a micro-processing unit for controlling the current regulating module; and the electric energy input end of the cutting heating wire is provided with a current detection device, and the current detection device is in signal connection with the current regulation control device through a cable. Through setting up the current stabilising arrangement, can guarantee that the output of cutting heating wire is stable, can not lead to the cutting heating wire to blow or light the foam because of the electric current is big and lead to the production potential safety hazard.
Description
Technical field
The present invention relates to a kind of cutter devices, adjust systems stabilisation more particularly to a kind of foam cutting machine current of electric heating wire
And method.
Background technique
Foamed material is furniture packaging auxiliary material, and demand is huge, production task weight, is all using handwork side at present
Formula: two people's mating mark cut lengths first are then electrified to heater strip and carry out cutting operation.The operation of its complete handwork,
The efficiency for having seriously affected processing, improves cost.And heating wire is in use, needs to guarantee the stability of temperature, when
When the temperature is excessively high, it is easy for foam to be heated into smoke-like pollution environment, and leads to the risk of fire in the presence of foam is lighted.If temperature
Too low, it is slow to will lead to cutting speed, there are problems that being easy broken string.
Summary of the invention
Goal of the invention of the invention is: in view of the above problems, providing a kind of foam cutting machine current of electric heating wire
Systems stabilisation and method are adjusted, heating wire is solved because power supply is unstable, causes heating wire to export unstable problem, solve
The low problem of heating wire cutting efficiency, it is fast to solve the problems, such as that heating wire consumes.
The technical solution adopted by the invention is as follows:
A kind of foam cutting machine current of electric heating wire adjusting systems stabilisation, including the cutting electric heating for electric heating cutting foam
Silk, cutting heating wire are connected with power supply, and the power supply includes transformer, and transformer is connected with current regulating module, current regulation
The control terminal of module is connected with current regulation control device, and current regulation control device includes for controlling current regulating module
Microprocessing unit；The electrical energy inputs of the cutting heating wire are provided with current detection means, and current detection means passes through cable
It is connected with current regulation control device signal.
By the way that current stabilizers power source is arranged, can guarantee the stable output power of cutting heating wire, will not it is big because of electric current and
Causing cutting heating wire to blow or light foam leads to production safety hidden danger.
Preferably, the invention also discloses a kind of foam cutting machine current of electric heating wire adjust systems stabilisation preferred structure,
Cut-offing protecting switch, cut-offing protecting switch packet are provided between the output end of the AC power source and the input terminal for cutting heating wire
Power-off triggering end is included, is provided with outage detection device between the output end of the AC power source and the input terminal for cutting heating wire, is broken
The signal output end of photodetector is connected by cable with the power-off triggering end of cut-offing protecting switch.
Further, the input terminal of the transformer is connected with AC power source, and the output end of transformer is provided with electric current biography
Sensor, current sensor have amplification conditioning circuit by cable connection；The output end of the transformer is connected with cutting heating wire.
Further, the amplification conditioning circuit has Analog input mModule, Analog input mModule by cable connection
Output end have a microprocessing unit by cable connection, the Analog input mModule is A/D conversion module.
Further, the microprocessing unit is connected with touch screen, and it is defeated that the output end of microprocessing unit is connected with analog quantity
The output end of module out, analog output module is connected with current regulating module signal, the output end of the amplification conditioning circuit
It is connected with A/D conversion module, the output end of A/D conversion module is connected with microprocessing unit signal.
Further, the analog output module is A/D conversion module, and the cutting heating wire is in series with current protection
Device；The microprocessing unit is PLC；The PLC includes data register A, data register B, data register C.
Preferably, the invention also discloses a kind of foam cutting machine current of electric heating wire adjust systems stabilisation current stabilization method,
The following steps are included:
1. inputting default fixed current numerical value by touch screen, PLC turns default fixed current numerical value after receiving signal
It changes digital quantity signal a into, and is deposited into data register A；
Digital quantity signal a is converted to analog quantity and passes to D/A conversion module by 2.PLC, and D/A conversion module will receive
Signal be converted into pressure regulation signal and pass to current regulating module, current regulating module execute adjust electric current movement；
3. the real-time current signal that current sensor will test is converted into analog signals, analog signals are adjusted through amplification
A/D conversion module is passed to after reason circuit amplification, A/D conversion module converts analog signals into digital quantity signal b, and is deposited into
In data register B；
Digital quantity signal a in the digital quantity signal b and data register B connect in data register A is carried out phase by 4.PLC
Subtract operation, and by operation result storage into data register C；
5.PLC is by the data in data register C compared with 0, and when the data in data register C are equal to zero, PLC stops
Only additive operation；
6. the data in data register C are converted simulation by PLC when the data in data register C are not equal to zero
Measure and be input to D/A conversion module, D/A conversion module, which will receive signal and be converted into executing signal, is conveyed to current regulation mould
Block；
7. current regulating module exports electric current according to the execution Signal Regulation received.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. the input current value for cutting heating wire can be kept by the regulating system of setting cutting heating wire loading current
In a stable numerical value, since the resistance value of cutting heating wire is constant, power of heating wire and electric current it is square directly proportional, in this way
It is ensured that the output power of cutting heating wire.
2. can guarantee the cutting efficiency of heating wire by the regulating system of setting cutting heating wire loading current；And it will not
It generates higher temperature and lights foam generation danger；The foam that will not gasify simultaneously generates smoke pollution of environment；
3. cutting the regulating system of heating wire loading current, it will not cause heating wire temperature inadequate because electric current is low, lead to nothing
Method cutting foam is causing to cut foam piece low efficiency；It will not cause between heating wire and foam slowly because of cutting speed simultaneously
Increased friction, cause heating wire to break.
Detailed description of the invention
Fig. 1 is electrical block diagram of the present invention；
Fig. 2 is circuit structure block diagram of the present invention；
Marked in the figure: 1 is AC power source, 2 be transformer, and 3 be current regulating module, and 4 be PLC, and 5 be current sensor, 6
It is current protector, 7 be cutting heating wire, and 8 be touch screen, and 9 are powered off detector, and 10 are powered off protective switch, and 11 be simulation
Input module is measured, 12 be analog output module.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in detail.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As depicted in figs. 1 and 2, a kind of foam cutting machine current of electric heating wire adjusts systems stabilisation, including cuts for electric heating
The cutting heating wire 7 of foam, cutting heating wire 7 are connected with power supply, and the power supply includes transformer 2, and transformer 2 is connected with electric current
Adjustment module 3, the control terminal of current regulating module 3 are connected with current regulation control device, and current regulation control device includes using
In the microprocessing unit of control current regulating module 3；The electrical energy inputs of the cutting heating wire 7 are provided with current detecting dress
It sets, current detection means is connected by cable with current regulation control device signal.
By the way that current stabilizers power source is arranged, can guarantee the stable output power of cutting heating wire, will not it is big because of electric current and
Causing cutting heating wire to blow or light foam leads to production safety hidden danger.
Preferably, the invention also discloses a kind of foam cutting machine current of electric heating wire adjust systems stabilisation preferred structure,
It is provided with cut-offing protecting switch 10 between the output end of the AC power source 1 and the input terminal for cutting heating wire 7, power-off protection is opened
Closing 10 includes power-off triggering end, and power-off inspection is provided between the output end of the AC power source 1 and the input terminal for cutting heating wire 7
Device 9 is surveyed, the signal output end of outage detection device 9 is connected by cable with the power-off triggering end of cut-offing protecting switch 10.
Further, the input terminal of the transformer 2 is connected with AC power source 1, and the output end of transformer 2 is provided with electric current
Sensor 5, current sensor 5 have amplification conditioning circuit by cable connection；The output end of the transformer 2 is connected with cutting electricity
Heated filament 7.
Further, the amplification conditioning circuit has Analog input mModule 11, analog input mould by cable connection
The output end of block 11 has microprocessing unit by cable connection, and the Analog input mModule 11 is A/D conversion module.
Further, the microprocessing unit is connected with touch screen 8, and it is defeated that the output end of microprocessing unit is connected with analog quantity
The output end of module 12 out, analog output module 12 is connected with 3 signal of current regulating module, described to amplify the defeated of conditioning circuit
Outlet is connected with A/D conversion module, and the output end of A/D conversion module is connected with microprocessing unit signal.
Further, the analog output module 12 is A/D conversion module, and the cutting heating wire 7 is in series with electric current
Protector 6；The microprocessing unit is PLC4；The PLC4 includes data register A, data register B, data register C.
When specifically used, circuit is connected；Pre-set current value, and starting device are inputted by touch screen 8.
The current value that people inputs is transmitted to PLC4 by carrying out practically process, touch screen 8；Current sensor 5 will test simultaneously
To current value be transmitted to PLC4, the current signal value received is compared by PLC4 with pre-set current value, when current value is low
When preset value, PLC4 controls current regulating module 3 and adjusts High Output Current, when current value is higher than preset value, PLC4 control electricity
Stream adjustment module 3 turns down output electric current.
Since the resistance R of the heating wire of unit length is fixed, electrical power formula P=I*I*R, it follows that power P only with
Electric current I is related, when current value is constant, the stable output power of heating wire.
In this way, the input current value of heating wire can be maintained to a stable numerical value；By the way that current of electric heating wire tune is arranged
Voltage-stabilizing system is saved, can guarantee the cutting efficiency of heating wire；And higher temperature will not be generated and light foam generation danger；Simultaneously
The foam that will not gasify generates smoke pollution of environment.
Embodiment 2:
A kind of foam cutting machine current of electric heating wire adjusts the current stabilization method of systems stabilisation, comprising the following steps:
1. input default fixed current numerical value by touch screen 8, PLC4 is received default fixed current numerical value after signal
It is converted into digital quantity signal a, and is deposited into data register A；
Digital quantity signal a is converted to analog quantity and passes to D/A conversion module by 2.PLC4, and D/A conversion module will receive
To signal be converted into pressure regulation signal and pass to current regulating module 3, current regulating module 3 executes the movement for adjusting electric current；
3. the real-time current signal that current sensor 5 will test is converted into analog signals, analog signals are through amplifying
A/D conversion module is passed to after conditioning circuit amplification, A/D conversion module converts analog signals into digital quantity signal b, and is stored in
Into data register B；
4.PLC4 carries out the digital quantity signal a in the digital quantity signal b connect in data register A and data register B
Additive operation, and by operation result storage into data register C；
5.PLC4 by the data in data register C compared with 0, when the data in data register C be equal to zero when, PLC4
Stop additive operation；
6. the data in data register C are converted simulation by PLC4 when the data in data register C are not equal to zero
Measure and be input to D/A conversion module, D/A conversion module, which will receive signal and be converted into executing signal, is conveyed to current regulating module
3；
7. current regulating module 3 exports electric current according to the execution Signal Regulation received.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of foam cutting machine current of electric heating wire adjusts systems stabilisation, it is characterised in that: including for electric heating cutting foam
It cuts heating wire (7), cutting heating wire (7) is connected with power supply, and the power supply includes transformer (2), and transformer (2) is connected with electricity
It flows adjustment module (3), the control terminal of current regulating module (3) is connected with current regulation control device, current regulation control device
Including the microprocessing unit for controlling current regulating module (3)；The electrical energy inputs of cutting heating wire (7) are provided with electricity
Flow detection device, current detection means are connected by cable with current regulation control device signal.
2. a kind of foam cutting machine current of electric heating wire as described in claim 1 adjusts systems stabilisation, it is characterised in that: the friendship
Cut-offing protecting switch (10) are provided between the output end in galvanic electricity source (1) and the input terminal for cutting heating wire (7), power-off protection is opened
Closing (10) includes power-off triggering end, is provided between the output end of the AC power source (1) and the input terminal for cutting heating wire (7)
Outage detection device (9), the signal output end of outage detection device (9) pass through the power-off triggering end of cable and cut-offing protecting switch (10)
It is connected.
3. a kind of foam cutting machine current of electric heating wire as claimed in claim 2 adjusts systems stabilisation, it is characterised in that: the change
The input terminal of depressor (2) is connected with AC power source (1), and the output end of transformer (2) is provided with current sensor (5), and electric current passes
Sensor (5) has amplification conditioning circuit by cable connection；The output end of the transformer (2) is connected with cutting heating wire (7).
4. a kind of foam cutting machine current of electric heating wire as claimed in claim 3 adjusts systems stabilisation, it is characterised in that: described to put
Big conditioning circuit has Analog input mModule (11) by cable connection, and the output end of Analog input mModule (11) passes through cable
It is connected with microprocessing unit, the Analog input mModule (11) is A/D conversion module.
5. a kind of foam cutting machine current of electric heating wire as claimed in claim 4 adjusts systems stabilisation, it is characterised in that: described micro-
Processing unit is connected with touch screen (8), and the output end of microprocessing unit is connected with analog output module (12), analog output
The output end of module (12) is connected with current regulating module (3) signal, and the output end of the amplification conditioning circuit is connected with A/D and turns
Block is changed the mold, the output end of A/D conversion module is connected with microprocessing unit signal.
6. a kind of foam cutting machine current of electric heating wire as claimed in claim 5 adjusts systems stabilisation, it is characterised in that: the mould
Analog quantity output module (12) is A/D conversion module, and the cutting heating wire (7) is in series with current protector (6)；The micro process
Unit is PLC (4)；The PLC (4) includes data register A, data register B, data register C.
7. a kind of current stabilization method for adjusting systems stabilisation based on foam cutting machine current of electric heating wire as claimed in claim 4, special
Sign is, comprising the following steps:
1. input default fixed current numerical value by touch screen (8), PLC (4) is received default fixed current numerical value after signal
It is converted into digital quantity signal a, and is deposited into data register A；
Digital quantity signal a is converted to analog quantity and passes to D/A conversion module by 2.PLC (4), and D/A conversion module will receive
Signal be converted into pressure regulation signal and pass to current regulating module (3), current regulating module (3), which executes, adjusts the dynamic of electric current
Make；
3. the real-time current signal that current sensor (5) will test is converted into analog signals, analog signals are adjusted through amplification
A/D conversion module is passed to after reason circuit amplification, A/D conversion module converts analog signals into digital quantity signal b, and is deposited into
In data register B；
Digital quantity signal a in the digital quantity signal b and data register B connect in data register A is carried out phase by 4.PLC (4)
Subtract operation, and by operation result storage into data register C；
5.PLC (4) by the data in data register C compared with 0, when the data in data register C be equal to zero when, PLC (4)
Stop additive operation；
6. the data in data register C are converted analog quantity by PLC (4) when the data in data register C are not equal to zero
And be input to D/A conversion module, D/A conversion module will receive signal be converted into execute signal be conveyed to current regulating module
(3)；
7. current regulating module (3) is according to the execution Signal Regulation output electric current received.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837243.3A CN110524635A (en) | 2019-09-05 | 2019-09-05 | Electric heating wire current regulation and stabilization system and method for foam cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837243.3A CN110524635A (en) | 2019-09-05 | 2019-09-05 | Electric heating wire current regulation and stabilization system and method for foam cutting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110524635A true CN110524635A (en) | 2019-12-03 |
Family
ID=68667376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910837243.3A Pending CN110524635A (en) | 2019-09-05 | 2019-09-05 | Electric heating wire current regulation and stabilization system and method for foam cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110524635A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022242206A1 (en) * | 2021-05-19 | 2022-11-24 | 苏州星贝尔中空成型设备有限公司 | Hot cutter break protection apparatus |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870123A (en) * | 2009-04-21 | 2010-10-27 | 吕禾 | Electrothermal cutting machine with automatic voltage-stabilized and constant-current device |
| CN201897735U (en) * | 2010-11-23 | 2011-07-13 | 安徽霍山县华光节能科技有限公司 | Automatic temperature control cabinet of horizontal annealing furnace |
| DE102010009523A1 (en) * | 2010-02-23 | 2011-08-25 | Mai, Verena, 09648 | Device for controlling/regulating temperature of electrical heating wire during intersection of thermally separated body utilized for insulating building, has sensor whose voltage is supplied as actual variable of control device |
| CN106339026A (en) * | 2015-07-15 | 2017-01-18 | 深圳市新宜康科技有限公司 | Electronic cigarette heating power stable control circuit |
| CN206226793U (en) * | 2016-12-02 | 2017-06-06 | 广州力铭光电科技有限公司 | A kind of LED electronic thermostatics constant flow regulation device |
| CN207509381U (en) * | 2017-12-05 | 2018-06-19 | 苏州火把自动化科技有限公司 | Hand-held electrical knife |
| CN110181604A (en) * | 2019-07-04 | 2019-08-30 | 明珠家具股份有限公司 | Voltage regulation and stabilization system for electric heating wire of foam cutting machine |
-
2019
- 2019-09-05 CN CN201910837243.3A patent/CN110524635A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870123A (en) * | 2009-04-21 | 2010-10-27 | 吕禾 | Electrothermal cutting machine with automatic voltage-stabilized and constant-current device |
| DE102010009523A1 (en) * | 2010-02-23 | 2011-08-25 | Mai, Verena, 09648 | Device for controlling/regulating temperature of electrical heating wire during intersection of thermally separated body utilized for insulating building, has sensor whose voltage is supplied as actual variable of control device |
| CN201897735U (en) * | 2010-11-23 | 2011-07-13 | 安徽霍山县华光节能科技有限公司 | Automatic temperature control cabinet of horizontal annealing furnace |
| CN106339026A (en) * | 2015-07-15 | 2017-01-18 | 深圳市新宜康科技有限公司 | Electronic cigarette heating power stable control circuit |
| CN206226793U (en) * | 2016-12-02 | 2017-06-06 | 广州力铭光电科技有限公司 | A kind of LED electronic thermostatics constant flow regulation device |
| CN207509381U (en) * | 2017-12-05 | 2018-06-19 | 苏州火把自动化科技有限公司 | Hand-held electrical knife |
| CN110181604A (en) * | 2019-07-04 | 2019-08-30 | 明珠家具股份有限公司 | Voltage regulation and stabilization system for electric heating wire of foam cutting machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022242206A1 (en) * | 2021-05-19 | 2022-11-24 | 苏州星贝尔中空成型设备有限公司 | Hot cutter break protection apparatus |
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Application publication date: 20191203 |