CN110814525A - Large-current integrated control circuit for laser marking equipment and circuit board structure thereof - Google Patents

Large-current integrated control circuit for laser marking equipment and circuit board structure thereof Download PDF

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Publication number
CN110814525A
CN110814525A CN201911171752.3A CN201911171752A CN110814525A CN 110814525 A CN110814525 A CN 110814525A CN 201911171752 A CN201911171752 A CN 201911171752A CN 110814525 A CN110814525 A CN 110814525A
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China
Prior art keywords
relay
control circuit
pin
output end
power supply
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CN201911171752.3A
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CN110814525B (en
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徐强
陈松钦
黄河森
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Guangzhou New Laser Equipment Co Ltd
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Guangzhou New Laser Equipment Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/36—Removing material
    • B23K26/362—Laser etching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70—Auxiliary operations or equipment
    • B23K26/702—Auxiliary equipment
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B9/00—Safety arrangements
    • G05B9/02—Safety arrangements electric
    • G05B9/03—Safety arrangements electric with multiple-channel loop, i.e. redundant control systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Laser Beam Processing (AREA)
  • Lasers (AREA)

Abstract

The invention provides a high-current integrated control circuit for laser marking equipment, which comprises a scanning head control circuit, a laser generator control circuit and a signal control end J1, wherein the scanning head control circuit is connected with the laser generator control circuit through a signal control end; the scanning head control circuit is connected with a scanning head power supply and a water cooling tank of the laser marking equipment; the laser generator control circuit is connected with a laser generator power supply of the laser marking equipment; the signal control end J1 is connected with the scanning head control circuit, the laser generator control circuit and the control equipment; the signal control end J1 is configured to receive a control signal from a control device and transmit the control signal to the scanning head control circuit and the laser generator control circuit so as to control the on-off of the scanning head control circuit and the laser generator control circuit; the circuit is simple in connection structure, controls high-voltage and high-current through low-voltage and low-current, and is convenient and safe to use.

Description

Large-current integrated control circuit for laser marking equipment and circuit board structure thereof
Technical Field
The invention relates to the technical field of laser marking equipment control, in particular to a high-current integrated control circuit for laser marking equipment and a circuit board structure thereof.
Background
The basic principle of laser marking is that a laser generator generates high-energy continuous laser beam, the focused laser acts on a printing material to instantly melt or even gasify the surface material, and a required image-text mark is formed by controlling the path of the laser on the surface of the material. In order to mark a fine mark on the surface of an object, it is necessary to accurately control the position on the object irradiated with laser light output from a laser marking head in a laser marking machine. In the prior art, laser emitted by a laser generator in a laser marking head is incident on two reflectors, and the deflection of a laser beam is realized by controlling the reflection angle of the reflectors, so that the position of the laser irradiated on an object is controlled. The laser marking machine realizes the control of the scanning head and the laser generator by arranging a control circuit; when the laser marking machine works, the voltage of the control circuit is in a high-voltage state under the condition that a relay is not used, and potential safety hazards exist. In the prior art, a control circuit of the marking machine is complex, the circuit structure is large in size and unreasonable, the marking machine cannot be integrated in one circuit to control a scanning head power supply and a laser generator power supply, and inconvenience is brought to use.
Therefore, in order to solve the problems in the prior art, it is urgently needed to provide a large-current integrated control circuit and a circuit board structure thereof, which can control a large current through a small current, and have a reasonable circuit structure design and a small volume.
Disclosure of Invention
The invention aims to avoid the defects in the prior art and provides a high-current integrated control circuit for laser marking equipment, which is simple in circuit connection structure, can control a scanning head power supply, a water cooling tank and a laser generator power supply through two groups of relays respectively, can control high-voltage high current of the laser marking equipment through low-voltage low current of the circuit, and is convenient and safe to use. Meanwhile, the invention also provides a large-current integrated control circuit board structure which is reasonable in structural layout, and two groups of relays are distributed on the circuit substrate in a Chinese character 'tian' shape, so that the circuit space is saved, the structure of the integrated circuit is smaller, and the integrated circuit is convenient to take and disassemble; through a plurality of binding post, carry out circuit connection with marking device conveniently and simply, realize marking device's control.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-current integrated control circuit for laser marking equipment comprises a scanning head control circuit, a laser generator control circuit and a signal control end J1;
the scanning head control circuit is connected with a scanning head power supply and a water cooling tank of the laser marking equipment; the laser generator control circuit is connected with a laser generator power supply of the laser marking equipment;
the signal control end J1 is connected with a scanning head control circuit, a laser generator control circuit and control equipment;
the signal control end J1 is configured to receive a control signal from a control device and transmit the control signal to the scanning head control circuit and the laser generator control circuit so as to control the on/off of the scanning head control circuit and the laser generator control circuit.
The signal control terminal J1 comprises three pins, wherein one pin is a Machine SW pin, and the rest two pins are respectively grounded GND and connected with a 24V power supply.
Specifically, the Machine SW pin is used for transmitting a control signal of a control button (i.e., a mechanical switch) of the laser marking device, so as to control the on/off of a circuit.
Preferably, the control device comprises a laser marking device or an electric control device with control buttons.
Preferably, the signal control end J1 is 3P-2EDG 5.08.
The scanning head control circuit comprises a first input end CN1, a first relay group, a first output end CN11 and a power supply module U1;
the first input end CN1 and the first output end CN11 are both connected with the scanning head power supply and the water cooling tank;
the first input end CN1 is respectively connected with a first relay group and a power module U1, and the first relay group is connected with a first output end CN 11;
the first relay group is connected with a Machine SW pin of a signal control end J1;
the first input terminal CN1 is configured to receive a scan head power supply voltage;
the power module U1 is configured to convert the received scan head power voltage to a low voltage and turn on the first relay set;
in the above, the power module U1 converts the ac voltage 85 to 240V into the dc voltage 24V (low voltage).
The first output end CN11 is configured to control a scanning head power supply, so that high-voltage and high-current of the laser marking equipment are controlled through a low-voltage and low-current control circuit;
in some embodiments, the first input CN1 includes five pins, two of which are 1LIN and 1NIN pins, and the remaining three pins are grounded PE 1;
the power supply module U1 comprises four pins, namely Vo, GND, ACN and ACL pins; the Vo pin is connected with a 24V power supply, and the GND pin is grounded; the ACN pin is connected to the 1NIN pin of the first input CN1, and the ACL pin is connected to the 1LIN pin of the first input CN 1.
The first output terminal CN11 includes five pins, three of which are 1LOUT, 1NOUT and Flow SW pins, and the remaining two pins are grounded to PE1 and 24V power supply, respectively;
the first relay group comprises four relays connected in parallel, namely a first relay KM1, a second relay KM2, a third relay KM3 and a fourth relay KM 4;
the 1LIN pin of the first input end CN1 and the 1LOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a first relay KM 1;
the 1LIN pin of the first input end CN1 and the 1LOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a second relay KM 2;
the 1NIN pin of the first input end CN1 and the 1NOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a third relay KM 3;
the 1NIN pin of the first input end CN1 and the 1NOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a fourth relay KM 4;
and the Flow SW pin of the first output end CN11 is connected with the laser generator control circuit.
Preferably, the model of the first input end CN1 is 5P-LW2 MC-11; the model of the first output end CN11 is 5P-LW2 MC-11; the power module U1 has a model number HE24P24 LRN.
The laser generator control circuit comprises a second input end CN2, a second relay group and a second output end CN 21;
the second input end CN2 and the second output end CN21 are both connected with a laser generator power supply; the second relay group is respectively connected with a second input end CN2 and a second output end CN 21; the second relay group is connected with a Flow SW pin of a first output end CN11, so that the laser generator control circuit is controlled to be switched on and off by the scanning head control circuit;
the second relay group is connected with a Machine SW pin of a signal control end J1;
the second input CN2 is configured to receive a laser generator supply voltage;
the second relay set is configured to receive a water flow switch control signal from a first output terminal CN11 to turn on the laser generator control circuit;
the second output end CN21 is configured to control a power supply of the laser generator, so that high voltage and high current of the laser marking device are controlled through a low-voltage low-current control circuit.
In some embodiments, the second input CN2 includes three pins, two of which are 2LIN and 2NIN pins, and the remaining one is grounded PE 2;
the second output terminal CN21 includes three pins, two of which are 2LOUT and 2NOUT pins, and the remaining one is grounded PE 2;
the second relay group comprises four relays connected in parallel, namely a fifth relay KM5, a sixth relay KM6, a seventh relay KM7 and an eighth relay KM 8;
the 2LIN pin of the second input end CN2 and the 2LOUT pin of the second output end CN21 are respectively connected with two ends of a normally open contact of a fifth relay KM 5;
the 2LIN pin of the second input end CN2 and the 2LOUT pin of the second output end CN21 are respectively connected with two ends of a normally open contact of a sixth relay KM 6;
the 2NIN pin of the second input end CN2 and the 2NOUT pin of the second output end CN21 are respectively connected with two ends of a normally open contact of a seventh relay KM 7;
and the 2NIN pin of the second input end CN2 and the 2NOUT pin of the second output end CN21 are respectively connected with two ends of the normally open contact of the eighth relay KM 8.
Preferably, the model of the second input end CN2 is 3P-LW2 MC-13; the first output terminal CN21 is 3P-LW2 MC-13.
Preferably, the relay models of the first relay group and the second relay group are SLA-24 VDC-SL-A.
Specifically, the signal control terminal J1, the first input terminal CN1, the first output terminal CN11, the second input terminal CN2 and the second output terminal CN21 are all used as connection terminals.
The working principle of the technical scheme is as follows: the first input end CN1 and the first output end CN11 of the circuit are connected with a scanning head power supply and a water cooling tank, high voltage received by CN1 is converted into low voltage to be output through a power module U1, and the first relay group is controlled to be electrified to work, so that the scanning head power supply and the water cooling tank are controlled; the water-cooling incasement is equipped with the rivers switch, and through the rivers condition of detecting the water-cooling incasement, control water Flow switch is closed for first output CN 11's Flow SW pin intercommunication laser generator control circuit, thereby make laser generator control circuit switch-on, the realization is to the control of laser generator power.
The invention also provides a large-current integrated control circuit board structure for the laser marking equipment, which comprises a circuit substrate, wherein the circuit substrate is connected with a signal control end J1, a power module U1, a first input end CN1, a first relay group, a first output end CN11, a second input end CN2, a second relay group and a second output end CN 21;
the first relay group comprises four relays connected in parallel, namely a first relay KM1, a second relay KM2, a third relay KM3 and a fourth relay KM 4;
the second relay group comprises four relays connected in parallel, namely a fifth relay KM5, a sixth relay KM6, a seventh relay KM7 and an eighth relay KM 8;
the first relay group and the second relay group are adjacently distributed on the circuit substrate;
the four relays KM1, KM2, KM3 and KM4 of the first relay group are distributed on the circuit substrate in a grid-shaped arrangement;
the four relays KM5, KM6, KM7 and KM8 of the second relay group are distributed on the circuit substrate in a grid-shaped arrangement.
The power supply module U1 is arranged on the left side of the first relay group;
specifically, one side of the first relay group close to the second relay group is the right side, and the left side of the first relay group is the opposite side of the right side.
The signal control terminal J1 is arranged on the upper side or the lower side of the power supply module U1;
the first input end CN1 and the first output end CN11 are respectively arranged at the upper side and the lower side of the first relay group;
the second input end CN2 and the second output end CN21 are respectively arranged at the upper side and the lower side of the second relay set.
Preferably, the relay models of the first relay group and the second relay group are SLA-24 VDC-SL-A.
The invention has the beneficial effects that:
the invention provides a large-current integrated control circuit for laser marking equipment, which is simple in circuit connection structure, realizes control of a scanning head power supply, a water cooling tank and a laser generator power supply through two groups of relays and a plurality of wiring terminals respectively, can control high-voltage large current of the laser marking equipment through low-voltage small current of the circuit, is convenient and safe to use, and realizes high integration of the circuit. Meanwhile, the invention also provides a large-current integrated control circuit board structure which is reasonable in structural layout, and two groups of relays are distributed on the circuit substrate in a Chinese character 'tian' shape, so that the circuit space is saved, the structure of the integrated circuit is smaller, and the integrated circuit is convenient to take and disassemble; . The user's accessible carries this circuit board, carries out the line through a plurality of binding post and arbitrary laser marking device, conveniently carries out circuit connection with marking device simply, realizes marking device's control.
Drawings
Fig. 1 is a schematic circuit module connection diagram of a large-current integrated control circuit according to embodiment 1 of the present invention;
fig. 2 is a schematic circuit connection diagram of a large-current integrated control circuit according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of a signal control terminal J1 of the large-current integrated control circuit according to embodiment 1 of the present invention;
fig. 4 is a schematic circuit diagram of a scan head control circuit of the large current integrated control circuit according to embodiment 1 of the present invention;
FIG. 5 is a schematic circuit diagram of a laser generator control circuit of the high current integrated control circuit according to embodiment 1 of the present invention;
fig. 6 to 7 are schematic diagrams of electrical structure models of a large-current integrated control circuit board structure according to embodiment 2 of the present invention.
Description of the reference numerals
1 a circuit substrate;
the intelligent control system comprises a signal control end J1, a power supply module U1 of 12, a first input end CN1 of 13, a first relay group of 14, a first output end CN11 of 15, a second input end CN2 of 16, a second relay group of 17 and a second output end CN21 of 18.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Example 1
One embodiment of the present invention, as shown in fig. 1 to 5, provides a large current integrated control circuit for a laser marking device, where the large current integrated control circuit includes a scan head control circuit, a laser generator control circuit, and a signal control terminal J1;
the scanning head control circuit is connected with a scanning head power supply and a water cooling tank of the laser marking equipment; the laser generator control circuit is connected with a laser generator power supply of the laser marking equipment;
the signal control end J1 is connected with a scanning head control circuit, a laser generator control circuit and a control button of a control device;
the signal control end J1 is configured to receive a control signal from a control button and transmit the control signal to the scanning head control circuit and the laser generator control circuit so as to control the on/off of the scanning head control circuit and the laser generator control circuit.
In the present embodiment, as shown in fig. 3, the signal control terminal J1 is a 3P-2EDG5.08 having three pins, one of which is a Machine SW pin (shown as pin 3 of J1 in fig. 3), and the remaining two pins 1 and 2 are respectively connected to a 24V power supply and a ground GND.
Specifically, the Machine SW pin is used for transmitting a control signal of a control button (i.e., a mechanical switch) of the laser marking device, so as to control the on/off of a circuit.
As shown in fig. 4, the scan head control circuit includes a first input terminal CN1, a first relay set, a first output terminal CN11 and a power module U1;
the first input end CN1 and the first output end CN11 are both connected with the scanning head power supply and the water cooling tank;
the first input end CN1 is respectively connected with a first relay group and a power module U1, and the first relay group is connected with a first output end CN 11;
the first relay group is connected with a Machine SW pin of a signal control end J1;
the first input terminal CN1 is configured to receive a scan head power supply voltage;
the power module U1 is configured to convert the received scan head power voltage to a low voltage and turn on the first relay set;
the first output end CN11 is configured to control a scanning head power supply, so that high-voltage and high-current of the laser marking equipment are controlled through a low-voltage and low-current control circuit;
as shown in fig. 4, the first input CN1 includes five pins, two of which are respectively 1LIN and 1NIN pins (i.e., pins 1 and 2 corresponding to CN1 in fig. 4), and the remaining three pins (i.e., CN1 pins 3-5 in fig. 4) are grounded PE 1;
the power supply module U1 comprises four pins, namely Vo, GND, ACN and ACL pins; the Vo pin is connected with a 24V power supply, and the GND pin is grounded GND and PE 1; the ACN pin is connected to the 1NIN pin of the first input CN1, and the ACL pin is connected to the 1LIN pin of the first input CN 1.
The first output terminal CN11 includes five pins, three of which (corresponding to pins 1, 2 and 5 of CN2 in fig. 4) are pins 1LOUT, 1NOUT and Flow SW, respectively, and the remaining two pins are grounded to PE1 and a 24V power supply (corresponding to pins 3 and 4 of CN2 in fig. 4), respectively;
as shown in fig. 4, the first relay group includes four relays connected in parallel, namely a first relay KM1, a second relay KM2, a third relay KM3 and a fourth relay KM 4;
the 1LIN pin of the first input end CN1 and the 1LOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a first relay KM 1;
the 1LIN pin of the first input end CN1 and the 1LOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a second relay KM 2;
the 1NIN pin of the first input end CN1 and the 1NOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a third relay KM 3;
the 1NIN pin of the first input end CN1 and the 1NOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a fourth relay KM 4;
and the Flow SW pin of the first output end CN11 is connected with the laser generator control circuit.
In the present embodiment, the model number of the first input CN1 is 5P-LW2 MC-11; the model of the first output end CN11 is 5P-LW2 MC-11; the power module U1 has a model number HE24P24 LRN.
As shown in fig. 5, the laser generator control circuit comprises a second input terminal CN2, a second relay set and a second output terminal CN 21;
the second input end CN2 and the second output end CN21 are both connected with a laser generator power supply; the second relay group is respectively connected with a second input end CN2 and a second output end CN 21; the second relay group is connected with a Flow SW pin of a first output end CN11, so that the laser generator control circuit is controlled to be switched on and off by the scanning head control circuit;
the second relay group is connected with a Machine SW pin of a signal control end J1;
the second input CN2 is configured to receive a laser generator supply voltage;
the second relay set is configured to receive a water Flow switch (Flow SW) control signal from a first output CN11 to turn on the laser generator control circuit;
the second output end CN21 is configured to control a power supply of the laser generator, so that high voltage and high current of the laser marking device are controlled through a low-voltage low-current control circuit.
As shown in fig. 5, the second input CN2 includes three pins, two of which are 2LIN and 2NIN pins (corresponding to pins 1 and 2 of CN2 in fig. 5), and the remaining pin (corresponding to pin 3 of CN2 in fig. 5) is grounded as PE 2;
the second output terminal CN21 includes three pins, two of which are 2LOUT and 2NOUT pins, and the remaining one is grounded PE 2;
the second relay group comprises four relays connected in parallel, namely a fifth relay KM5, a sixth relay KM6, a seventh relay KM7 and an eighth relay KM 8;
the 2LIN pin of the second input end CN2 and the 2LOUT pin of the second output end CN21 are respectively connected with two ends of a normally open contact of a fifth relay KM 5;
the 2LIN pin of the second input end CN2 and the 2LOUT pin of the second output end CN21 are respectively connected with two ends of a normally open contact of a sixth relay KM 6;
the 2NIN pin of the second input end CN2 and the 2NOUT pin of the second output end CN21 are respectively connected with two ends of a normally open contact of a seventh relay KM 7;
and the 2NIN pin of the second input end CN2 and the 2NOUT pin of the second output end CN21 are respectively connected with two ends of the normally open contact of the eighth relay KM 8.
In the present embodiment, the model number of the second input CN2 is 3P-LW2 MC-13; the first output terminal CN21 is 3P-LW2 MC-13. The relay models of the first relay group and the second relay group are SLA-24 VDC-SL-A.
Example 2
One of the embodiments of the present invention, as shown in fig. 6 to 7, this embodiment provides a high-current integrated control circuit board structure for a laser marking device, where each component on the circuit board can be controlled by using the circuit connection manner in embodiment 1. The features that are not explained in this embodiment can be explained in embodiment 1, and are not described herein again.
As shown in fig. 6, the large-current integrated control circuit board structure provided in this embodiment includes a circuit substrate (1), where the circuit substrate is connected with a signal control terminal J1(11), a power module U1(12), a first input terminal CN1(13), a first relay group (14), a first output terminal CN11(15), a second input terminal CN2(16), a second relay group (17), and a second output terminal CN21 (18);
the first relay group (14) comprises four relays connected in parallel, namely a first relay KM1, a second relay KM2, a third relay KM3 and a fourth relay KM 4;
the second relay group (17) comprises four relays connected in parallel, namely a fifth relay KM5, a sixth relay KM6, a seventh relay KM7 and an eighth relay KM 8;
the first relay group (14) and the second relay group (17) are adjacently distributed on the circuit substrate 1;
the four relays KM1, KM2, KM3 and KM4 of the first relay group (14) are distributed on the circuit substrate (1) in a grid-shaped arrangement;
the four relays KM5, KM6, KM7 and KM8 of the second relay group (17) are arranged and distributed on the circuit board (1) in a grid shape.
The power supply module U1(12) is arranged on the left side of the first relay group (14);
specifically, one side of the first relay group (14) close to the second relay group (17) is the right side, and the left side of the first relay group is the opposite side of the right side.
The signal control terminal J1(11) is arranged at the lower side of the power supply module U1 (12);
the first input end CN1(13) is arranged on the upper side of the first relay group (14); the first output end CN11(15) is arranged at the lower side of the first relay group (14);
the second input end CN2(16) is arranged on the upper side of the second relay set (17); the second output terminal CN21(18) is arranged at the lower side of the second relay set (17).
In the embodiment, SLA-24VDC-SL-A type relays are adopted for the relays of the first relay group (14) and the second relay group (17).
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. A large-current integrated control circuit for laser marking equipment is characterized by comprising a scanning head control circuit, a laser generator control circuit and a signal control end J1;
the scanning head control circuit is connected with a scanning head power supply and a water cooling tank of the laser marking equipment; the laser generator control circuit is connected with a laser generator power supply of the laser marking equipment;
the signal control end J1 is connected with a scanning head control circuit, a laser generator control circuit and control equipment;
the signal control end J1 is configured to receive a control signal from a control device and transmit the control signal to a scanning head control circuit and a laser generator control circuit so as to control the on-off of the scanning head control circuit and the laser generator control circuit;
the scanning head control circuit comprises a first input end CN1, a first relay group, a first output end CN11 and a power supply module U1;
the first relay group comprises four relays connected in parallel, namely a first relay KM1, a second relay KM2, a third relay KM3 and a fourth relay KM 4;
the first input end CN1 and the first output end CN11 are both connected with the scanning head power supply and the water cooling tank;
the first input end CN1 is respectively connected with a first relay group and a power module U1, and the first relay group is connected with a first output end CN 11;
the first relay group is connected with a signal control end J1;
the first input terminal CN1 is configured to receive a scan head power supply voltage;
the power module U1 is configured to convert the received scan head supply voltage and turn on the first relay set;
the first output terminal CN11 is configured to control the scan head power supply;
the laser generator control circuit is connected with a Flow SW pin of a first output end CN 11;
the laser generator control circuit comprises a second input end CN2, a second relay group and a second output end CN 21;
the second relay group comprises four relays connected in parallel, namely a fifth relay KM5, a sixth relay KM6, a seventh relay KM7 and an eighth relay KM 8;
the second input end CN2 and the second output end CN21 are both connected with a laser generator power supply; the second relay group is respectively connected with a second input end CN2 and a second output end CN 21; the second relay group is connected with a FlowSW pin of a first output end CN11, so that the laser generator control circuit is controlled to be switched on and off by the scanning head control circuit;
the second relay group is connected with a signal control end J1;
the second input CN2 is configured to receive a laser generator supply voltage;
the second relay set is configured to receive a water flow switch control signal from a first output terminal CN11 to turn on the laser generator control circuit;
the second output CN21 is configured to control a laser generator power supply.
2. The high-current integrated control circuit according to claim 1, wherein the signal control terminal J1 comprises three pins, one of which is a Machine SW pin, and the remaining two pins are respectively connected to ground and a 24V power supply.
3. The high-current integrated control circuit according to claim 1, wherein the first input CN1 comprises five pins, two of which are 1LIN and 1NIN pins, and the remaining three pins are grounded;
the power supply module U1 comprises four pins, namely Vo, GND, ACN and ACL pins; the Vo pin is connected with a 24V power supply, and the GND pin is grounded; the ACN pin is connected with a 1NIN pin of a first input end CN1, and the ACL pin is connected with a 1LIN pin of a first input end CN 1;
the first output terminal CN11 includes five pins, three of which are 1LOUT, 1NOUT and Flow SW pins, and the remaining two pins are grounded and 24V power supply respectively;
the 1LIN pin of the first input end CN1 and the 1LOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a first relay KM 1;
the 1LIN pin of the first input end CN1 and the 1LOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a second relay KM 2;
the 1NIN pin of the first input end CN1 and the 1NOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of a third relay KM 3;
the 1NIN pin of the first input end CN1 and the 1NOUT pin of the first output end CN11 are respectively connected with two ends of a normally open contact of the fourth relay KM 4.
4. The high-current integrated control circuit according to claim 1, wherein the second input CN2 comprises three pins, two of which are 2LIN and 2NIN pins, and the remaining one is grounded;
the second output terminal CN21 includes three pins, two of which are 2LOUT and 2NOUT pins, and the remaining one is grounded;
the 2LIN pin of the second input end CN2 and the 2LOUT pin of the second output end CN21 are respectively connected with two ends of a normally open contact of a fifth relay KM 5;
the 2LIN pin of the second input end CN2 and the 2LOUT pin of the second output end CN21 are respectively connected with two ends of a normally open contact of a sixth relay KM 6;
the 2NIN pin of the second input end CN2 and the 2NOUT pin of the second output end CN21 are respectively connected with two ends of a normally open contact of a seventh relay KM 7;
and the 2NIN pin of the second input end CN2 and the 2NOUT pin of the second output end CN21 are respectively connected with two ends of the normally open contact of the eighth relay KM 8.
5. The high-current integrated control circuit according to claim 2, wherein the signal control terminal J1 is 3P-2EDG 5.08.
6. The high-current integrated control circuit according to claim 3, wherein the first input terminal CN1 is 5P-LW2 MC-11; the first output CN11 is 5P-LW2 MC-11.
7. The high-current integrated control circuit according to claim 3, wherein the power supply module U1 is HE24P24 LRN.
8. The high-current integrated control circuit according to claim 4, wherein the model number of the second input terminal CN2 is 3P-LW2 MC-13; the first output terminal CN21 is 3P-LW2 MC-13.
9. A large-current integrated control circuit board structure for laser marking equipment is characterized by comprising a circuit substrate, wherein the circuit substrate is connected with a signal control end J1, a power module U1, a first input end CN1, a first relay group, a first output end CN11, a second input end CN2, a second relay group and a second output end CN 21;
the first relay group comprises four relays connected in parallel, namely a first relay KM1, a second relay KM2, a third relay KM3 and a fourth relay KM 4;
the second relay group comprises four relays connected in parallel, namely a fifth relay KM5, a sixth relay KM6, a seventh relay KM7 and an eighth relay KM 8;
the first relay group and the second relay group are adjacently distributed on the circuit substrate;
the four relays KM1, KM2, KM3 and KM4 of the first relay group are distributed on the circuit substrate in a grid-shaped arrangement;
the four relays KM5, KM6, KM7 and KM8 of the second relay group are distributed on the circuit substrate in a grid-shaped arrangement.
10. The high-current integrated control circuit board structure according to claim 9, wherein the power module U1 is disposed at the left side of the first relay group;
the signal control terminal J1 is arranged on the upper side or the lower side of the power supply module U1;
the first input end CN1 and the first output end CN11 are respectively arranged at the upper side and the lower side of the first relay group;
the second input end CN2 and the second output end CN21 are respectively arranged at the upper side and the lower side of the second relay set.
CN201911171752.3A 2019-11-25 2019-11-25 High-current integrated control circuit for laser marking equipment and circuit board structure thereof Active CN110814525B (en)

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CN212169341U (en) * 2019-11-25 2020-12-18 广州新可激光设备有限公司 Large-current integrated circuit and circuit board structure for laser marking equipment

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JP2012148315A (en) * 2011-01-19 2012-08-09 Keyence Corp Laser beam machining apparatus
CN104442039A (en) * 2013-09-18 2015-03-25 粟秉楷 Laser marking machine one-button control box
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