CN103796406B - A kind of numb machine frequency modulation and voltage modulation method of poultry electricity - Google Patents
A kind of numb machine frequency modulation and voltage modulation method of poultry electricity Download PDFInfo
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- CN103796406B CN103796406B CN201410003866.8A CN201410003866A CN103796406B CN 103796406 B CN103796406 B CN 103796406B CN 201410003866 A CN201410003866 A CN 201410003866A CN 103796406 B CN103796406 B CN 103796406B
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Abstract
The invention discloses the numb machine frequency modulation pressure regulating apparatus of a kind of poultry electricity, comprise three-phase voltage isolation transmit unit (1), three-phase bridge rectifier circuit (2), DC/DC two-way direct current power supply output module (3), voltage-regulation control unit (4), PLC functional module (5), upper computer control system (6), frequency adjustment control unit (7), DC pulse output unit (8), liquid crystal display (9), DC pulse output control unit (10); Technical solution of the present invention proposes a kind of technical scheme of new frequency modulation and voltage modulation, high frequency low voltage DC-pulse is adopted to export, the dizzy speed of electric shock is fast, meet and butcher streamline requirement, poultry anxiety can be reduced to flutter wing and the disconnected wing that causes and extravasated blood simultaneously, be conducive to bloodletting again, ensure that the safe and sanitary of meat product and the reliability of the quality of production.
Description
Technical field
The present invention relates to the numb machine field of poultry electricity, particularly relate to a kind of poultry numb machine frequency modulation pressure regulating apparatus of electricity and method.
Background technology
Along with the improvement of economic condition, the requirement of consumer to poultry product there has also been further raising, not only requires Meat Safety, nutrition, and will have good mouthfeel and local flavor.And stress meat quality be had a certain impact before killing, kill that forward play is dizzy can make animal imperceptible pain in slaughtering process, with before the government official reducing animal stress, thus improve meat quality.
At present, on butchering fowl streamline, major part enterprise uses the dizzy mode of water-bath electric shock to cause dizzy by poultry electric shock, when the bird of hanging is by electric numb machine, fowl head touches water, and, fowl pawl connected with live wire passes through to contact guide rod, is connected with zero line, form electric numb loop, and electric numb voltage can be low to moderate below 100V.
The electric shock of low current intensity (10 ~ 50mA) that what the U.S. adopted is is swooned method, and this method alleviates poultry and caused the pain of dizzy moment, and make it struggle and significantly lower, bloodletting is abundant, improves the efficiency that flow process is butchered in automation.The electric shock of high current intensity (being greater than 100mA) that what Europe adopted is then is swooned mode, this mode causes dizzy even lethal bird, although this meets the requirement of animal welfare, but high current intensity is through poultry human body, can strong contraction be there is in poultry human body, cause that human body is hemorrhage, bone fracture, thus affect poultry meat.
But the voltage that the numb machine of existing electricity exports, frequency adjustment are inconvenient, and knob regulates when slaughter hall regulates due to human factor, and the amplitude of adjustment can not accurately control.Can not according to poultry kind, weight, the exact extension of the voltage that the essential informations such as culture-cycle provide corresponding the best electric shock to swoon and frequency, affects efficiency.
Such as, in prior art, the utility model patent of Chinese patent Authorization Notice No. CN 202800006U discloses a kind of electric numb machine, and this electric numb machine adopts alternating current, and pressure regulation, mode of frequency regulation are that manual adjustments knob regulates.This electric numb machine adopts alternating current, when poultry dizzy by low-voltage alternating-current electric shock, current strength is lower, and corona speed is slow, cannot meet and butcher pipelining requirement, simultaneously, this electric numb machine adopts the voltage of manual knob regulation output, frequency values, and manual adjustments precision is not high, and comparatively large for the requirement of operating personnel, degree of regulation is not easily grasped.
Summary of the invention
The present invention is directed to the problems such as the numb machine frequency modulation and voltage modulation current strength of prior art poultry electricity is lower, corona speed slow, voltage regulation and frequency modulation precision is not high, a kind of efficient, high accuracy, a kind of poultry numb machine frequency modulation pressure regulating apparatus of electricity simple to operate and method are provided.
Technical solution of the present invention is:
The numb machine frequency modulation pressure regulating apparatus of a kind of poultry electricity, comprises three-phase voltage isolation transmit unit, three-phase bridge rectifier circuit, DC/DC two-way direct current power supply output module, voltage-regulation control unit, PLC functional module, upper computer control system, frequency adjustment control unit, DC pulse output unit, liquid crystal display, DC pulse output control unit.
Three-phase voltage isolation transmit unit, three-phase bridge rectifier circuit is connected successively with DC/DC two-way direct current power supply output module, DC/DC two-way direct current power supply output module and voltage-regulation control unit, PLC functional module is connected, PLC functional module respectively with voltage-regulation control unit, upper computer control system, frequency adjustment control unit is connected, DC pulse output unit and voltage-regulation control unit, frequency adjustment control unit is connected, liquid crystal display is connected with upper computer control system, DC pulse output control unit 10 is connected with upper computer control system.
Three-phase voltage isolation transmit unit comprises the first transformer, three-phase bridge rectifier circuit comprises the three groups of rectifier diodes and shunt capacitor that are in parallel, voltage-regulation control unit comprises switch triode, pwm pulse produces core devices TL494, energy storage inductor, protection electric capacity, protective resistance, first resistance, second resistance, 3rd resistance and the 4th resistance, frequency adjustment control unit comprises the first diode, fuse, first light-emitting diode, second light-emitting diode, pulse generating circuit, isolating transformer, metal-oxide-semiconductor, drive circuit, second diode and the 3rd diode,
The three-phase output end of the first transformer is connected with three groups of rectifier diodes of parallel connection respectively, three groups of rectifier diodes are connected with DC/DC two-way direct current power supply output module with after shunt capacitor parallel connection, DC/DC two-way direct current power supply output module output connects PLC functional module and switch triode, the base stage of switch triode is connected with TL494, the collector electrode of switch triode and energy storage inductor, protection electric capacity connects, protection electric capacity connects other end ground connection, first resistance, second resistance, 3rd resistance, 4th resistance connects and composes the feedback comparison circuit of TL494, protective resistance one end is connected with the first resistance, other end ground connection, for current-limiting protection,
First diode, fuse, the first light-emitting diode FREQUENCY CONTROL input circuit in series, the two ends of FREQUENCY CONTROL input circuit be connected PLC functional module and be connected, pulse generating circuit is connected with the first light-emitting diode, the second light-emitting diode, the second transformer, drive circuit is connected with the output of isolating transformer, second diode VD2 is connected metal-oxide-semiconductor with after drive circuit parallel connection, and the 3rd diode is in parallel with metal-oxide-semiconductor.
DC/DC two-way direct current power supply output module exports the direct current of 200V and 24V, and voltage-regulation control unit exports 10V ~ 200V voltage, and DC pulse output unit exports 10V ~ 100V/400Hz ~ 1000Hz voltage.
A kind of numb machine frequency modulation and voltage modulation method of poultry electricity, the numb machine frequency modulation and voltage modulation method of poultry electricity comprises the following steps:
Step S01, three-phase voltage isolation transmit unit output AC electricity, enters rectifier circuit rectifies after the first transformer transformation; And obtain high voltage direct current through the filtering process of shunt capacitor;
Step S02, high voltage direct current, through DC/DC two-way direct current power supply output module, exports the direct current of 200V and 24V, and 200V direct current is used for voltage-regulation control unit and powers, and 200V direct current is added on switch triode, and 24V is used for PLC functional module and powers;
Step S03, upper computer control system control PLC functional module, produce core devices TL494 to pwm pulse to control, TL494 compares and enlarges control impuls width by the sampling of feedback comparison circuit to output voltage, and then the break-make of control switch triode, realize pulse width modulation;
Step S04, during switch triode path, power supply charges to energy storage inductor; During the cut-off of switch triode, energy storage inductor discharges, thus obtains continual and steady output dc voltage;
Step S05, the feedback comparison circuit of the first resistance, the second resistance, the 3rd resistance, the 4th resistance formation TL494, accepts the sampling of the output voltage that host computer gathers, forms voltage control closed loop, accurately control the DC voltage value of output;
Step S06, upper computer control system control PLC functional module presses setpoint frequency value output pulse frequency, FREQUENCY CONTROL input circuit is formed by the first diode, fuse, the first light-emitting diode, pulse signal source is provided, pulse generating circuit return pulse signal source, by isolating transformer to drive circuitry, and control cut-offfing of metal-oxide-semiconductor, obtain the high-voltage pulse direct current with pulse signal source same frequency.
Step S06 also comprises: during the unexpected power-off of numb machine frequency modulation pressure regulating apparatus of poultry electricity, and the induced electromotive force that unexpected power-off produces is by the second diode and the release of the 3rd diode, and protection drive circuit and play afterflow effect, prevents metal-oxide-semiconductor from damaging.
Compared with prior art, beneficial effect of the present invention is: technical solution of the present invention proposes a kind of technical scheme of new frequency modulation and voltage modulation, high frequency low voltage DC-pulse is adopted to export, the dizzy speed of electric shock is fast, meet and butcher streamline requirement, poultry anxiety can be reduced to flutter wing and the disconnected wing that causes and extravasated blood simultaneously, be conducive to again bloodletting, ensure that the safe and sanitary of meat product and the reliability of the quality of production.
Further, the technical program uses liquid crystal display, and adopt numeral setting output voltage, frequency parameter, it is 10mV that voltage arranges little precision, and the minimum precision of frequency is 1Hz.When regulation voltage, frequency values, at assigned address input parameter, adjustment object can be reached quickly and accurately, improve production efficiency and complete butchering this kind of conventional industries of processing industry information-based, the transformation of automation.
Further, protection electric capacity, protective resistance play current-limiting protection effect, and the second diode protection drive circuit is not damaged, and the 3rd diode plays afterflow effect, prevents metal-oxide-semiconductor from damaging, and security performance of the present invention is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the numb machine frequency modulation pressure regulating apparatus of poultry of the present invention electricity
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 11, the numb machine frequency modulation pressure regulating apparatus of a kind of poultry electricity, it is characterized in that: comprise three-phase voltage isolation transmit unit 1, three-phase bridge rectifier circuit 2, DC/DC two-way direct current power supply output module 3, voltage-regulation control unit 4, PLC functional module 5, upper computer control system 6, frequency adjustment control unit 7, DC pulse output unit 8, liquid crystal display 9, DC pulse output control unit 10;
Three-phase voltage isolation transmit unit 1, three-phase bridge rectifier circuit 2 is connected successively with DC/DC two-way direct current power supply output module 3, DC/DC two-way direct current power supply output module 3 and voltage-regulation control unit 4, PLC functional module 5 is connected, PLC functional module 5 respectively with voltage-regulation control unit 4, upper computer control system 6, frequency adjustment control unit 7 is connected, DC pulse output unit 8 and voltage-regulation control unit 4, frequency adjustment control unit 7 is connected, liquid crystal display 9 is connected with upper computer control system 6, DC pulse output control unit 10 is connected with upper computer control system 6.
Three-phase voltage isolation transmit unit 1 comprises the first transformer T1, three-phase bridge rectifier circuit 2 comprises the three groups of rectifier diodes and shunt capacitor C1 that are in parallel, voltage-regulation control unit 4 comprises switch triode V1, pwm pulse produces core devices TL494, energy storage inductor L1, protection electric capacity C3, protective resistance R5, first resistance R1, second resistance R2, 3rd resistance R3 and the 4th resistance R4, frequency adjustment control unit 7 comprises the first diode VD1, fuse, first LED 1, second LED 2, pulse generating circuit, isolating transformer T2, metal-oxide-semiconductor V2, drive circuit, second diode VD2 and the 3rd diode VD3,
The three-phase output end of the first transformer T1 is connected with three groups of rectifier diodes of parallel connection respectively, three groups of rectifier diodes are connected with DC/DC two-way direct current power supply output module 3 with after shunt capacitor C1 parallel connection, DC/DC two-way direct current power supply output module 3 output connects PLC functional module 5 and switch triode V1, the base stage of switch triode V1 is connected with TL494, the collector electrode of switch triode V1 and energy storage inductor L1, protection electric capacity C3 connects, protection electric capacity C3 connects other end ground connection, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4 connects and composes the feedback comparison circuit of TL494, protective resistance R5 one end is connected with the first resistance R1, other end ground connection, for current-limiting protection,
First diode VD1, fuse, the first LED 1 FREQUENCY CONTROL input circuit in series, the two ends of FREQUENCY CONTROL input circuit be connected PLC functional module 5 and be connected, pulse generating circuit is connected with the first LED 1, second LED 2, second transformer T2, drive circuit is connected with the output of isolating transformer T2, second diode VD2 is connected metal-oxide-semiconductor V2 with after drive circuit parallel connection, and the 3rd diode VD3 is in parallel with metal-oxide-semiconductor V2.
DC/DC two-way direct current power supply output module 3 exports the direct current of 200V and 24V, and voltage-regulation control unit 4 exports 10V ~ 200V voltage.
A kind of numb machine frequency modulation and voltage modulation method of poultry electricity, the numb machine frequency modulation and voltage modulation method of poultry electricity comprises the following steps:
Step S01, three-phase voltage isolation transmit unit 1 output AC electricity, enters rectifier circuit rectifies after the first transformer T1 transformation; And obtain high voltage direct current through the filtering process of shunt capacitor C1;
Step S02, high voltage direct current, through DC/DC two-way direct current power supply output module 3, exports the direct current of 200V and 24V, and 200V direct current is used for voltage-regulation control unit 4 and powers, 200V direct current is added on switch triode V1, and 24V is used for PLC functional module 5 and powers;
Step S03, upper computer control system 6 control PLC functional module 5, produce core devices TL494 to pwm pulse to control, TL494 compares and enlarges control impuls width by the sampling of feedback comparison circuit to output voltage, and then the break-make of control switch triode V1, realize pulse width modulation;
During step S04, switch triode V1 path, power supply charges to energy storage inductor L1; When switch triode (V1) ends, energy storage inductor (L1) discharges, thus obtains continual and steady output dc voltage;
The feedback comparison circuit of step S05, the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4 formation TL494, accepts the sampling Vs of the output voltage that host computer gathers, forms voltage control closed loop, accurately control the DC voltage value of output;
Step S06, upper computer control system 6 control PLC functional module 5 presses setpoint frequency value output pulse frequency, FREQUENCY CONTROL input circuit is formed by the first diode VD1, fuse, the first LED 1, pulse signal source is provided, pulse generating circuit return pulse signal source, by isolating transformer T2 to drive circuitry, and control cut-offfing of metal-oxide-semiconductor V2, obtain the high-voltage pulse direct current with pulse signal source same frequency.
Step S06 also comprises: during the unexpected power-off of numb machine frequency modulation pressure regulating apparatus of poultry electricity, the induced electromotive force that unexpected power-off produces discharge by the second diode VD2 and the 3rd diode VD3, protection drive circuit and play afterflow effect, prevents metal-oxide-semiconductor V2 from damaging.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (2)
1. the numb machine frequency modulation and voltage modulation method of poultry electricity, is characterized in that, the numb machine frequency modulation and voltage modulation method of poultry electricity comprises the following steps:
Step S01, described three-phase voltage isolation transmit unit (1) output AC electricity, enters rectifier circuit rectifies after the first transformer (T1) transformation; And obtain high voltage direct current through the filtering process of shunt capacitor (C1);
Step S02, described high voltage direct current is through DC/DC two-way direct current power supply output module (3), export the direct current of 200V and 24V, described 200V direct current is used for voltage-regulation control unit (4) power supply, 200V direct current is added on switch triode (V1), and 24V is used for PLC functional module (5) power supply;
Step S03, upper computer control system (6) control PLC functional module (5), produce core devices TL494 to pwm pulse to control, TL494 compares and enlarges control impuls width by the sampling of feedback comparison circuit to output voltage, and then the break-make of control switch triode (V1), realize pulse width modulation;
Step S04, during switch triode (V1) path, power supply charges to energy storage inductor (L1); When switch triode (V1) ends, energy storage inductor (L1) discharges, thus obtains continual and steady output dc voltage;
Step S05, first resistance (R1), the second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4) form the feedback comparison circuit of TL494, accept the sampling of the output voltage that host computer gathers, form voltage control closed loop, accurately control the DC voltage value exported;
Step S06, upper computer control system (6) control PLC functional module (5) is by setpoint frequency value output pulse frequency, FREQUENCY CONTROL input circuit is formed by the first diode (VD1), fuse, the first light-emitting diode (LED1), pulse signal source is provided, pulse generating circuit return pulse signal source, by isolating transformer (T2) to drive circuitry, and control cut-offfing of metal-oxide-semiconductor (V2), obtain the high-voltage pulse direct current with pulse signal source same frequency.
2. the numb machine frequency modulation and voltage modulation method of a kind of poultry electricity according to claim 1; it is characterized in that; described step S06 also comprises: during the unexpected power-off of the numb machine frequency modulation pressure regulating apparatus of described poultry electricity; the induced electromotive force that it is unexpected that power-off produce is by described second diode (VD2) and the release of the 3rd diode (VD3); protect drive circuit and play afterflow effect, preventing metal-oxide-semiconductor (V2) from damaging.
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| DE3900959A1 (en) * | 1989-01-14 | 1990-08-02 | Horizont Geraetewerk | Electric fence apparatus |
| CN2279760Y (en) * | 1997-04-24 | 1998-04-22 | 谭国平 | Apparatus for generating high-voltage electric sources |
| US7102870B2 (en) * | 2003-02-11 | 2006-09-05 | Taser International, Inc. | Systems and methods for managing battery power in an electronic disabling device |
| EP2365738B1 (en) * | 2010-03-11 | 2016-07-13 | Nouveaux établissements Charles MARTIN S.A: | High voltage circuit for electrical stimulation |
| CN102599221A (en) * | 2012-03-19 | 2012-07-25 | 陈坤杰 | Intelligent high-frequency low-voltage electric stunning machine for automatic slaughter of domestic fowls |
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