阅读说明：本技术 一种泡沫切割机电热丝电流调节稳定系统及方法 (A kind of foam cutting machine current of electric heating wire adjusts systems stabilisation and method ) 是由 黄学勇 王建兵 于 2019-09-05 设计创作，主要内容包括：本发明公开了一种泡沫切割机电热丝电流调节稳定系统及方法,包括用于电热切割泡沫的切割电热丝,切割电热丝连接有电源,所述电源包括变压器,变压器连接有电流调节模块,电流调节模块的控制端连接有电流调节控制装置,电流调节控制装置包括用于控制电流调节模块的微处理单元；所述切割电热丝的电能输入端设置有电流检测装置,电流检测装置通过电缆与电流调节控制装置信号相连。通过设置电流稳定装置,能保证切割电热丝的输出功率稳定,不会因为电流大而导致切割电热丝烧断或者点燃泡沫导致生产安全隐患。(The invention discloses a kind of foam cutting machine current of electric heating wire to adjust systems stabilisation and method, including the cutting heating wire for electric heating cutting foam, cutting heating wire is connected with power supply, the power supply includes transformer, transformer is connected with current regulating module, the control terminal of current regulating module is connected with current regulation control device, and current regulation control device includes the microprocessing unit for controlling current regulating module；The electrical energy inputs of the cutting heating wire are provided with current detection means, and 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 be big because of electric current and cause to cut heating wire and blow or light foam and lead to production safety hidden danger.)

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.

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.