CN107962288A - Electrical resistance weld controller - Google Patents
Electrical resistance weld controller Download PDFInfo
- Publication number
- CN107962288A CN107962288A CN201610915432.4A CN201610915432A CN107962288A CN 107962288 A CN107962288 A CN 107962288A CN 201610915432 A CN201610915432 A CN 201610915432A CN 107962288 A CN107962288 A CN 107962288A
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- Prior art keywords
- resistance
- feet
- operational amplifier
- diode
- module
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Classifications
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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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/24—Electric supply or control circuits therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Generation Of Surge Voltage And Current (AREA)
Abstract
The invention discloses a kind of electrical resistance weld controller, including control unit, the output terminal of described control unit is connected with resistance welder and display screen, the input terminal of described control unit is electrically connected with power module, the input terminal of described control unit is also electrically connected with Voltage stabilizing module and current stabilization module, the output terminal of power module is electrically connected with voltage detection module and current detection module, the input terminal of Voltage stabilizing module is electrically connected with the output terminal of voltage detection module, and the input terminal of current stabilization module is electrically connected with the output terminal of current detection module.The present invention is used cooperatively by Voltage stabilizing module and current stabilization module so that the guard time of the voltage and current of electrical resistance weld controller can keep stablizing and protecting effect is good, so as to improve the stability in use of resistance welder.
Description
Technical field
The present invention relates to a kind of controller, is especially a kind of electrical resistance weld controller.
Background technology
With the fast development of automobile industry, resistance welding equipment is found an increasingly wider application in automobile making production line
On, resistance welding equipment usually requires to work under the control of electrical resistance weld controller.Electrical resistance weld controller is in control resistance
, it is necessary to the running parameter of welding equipment real-time and accurately be recorded, such as solder joint number, platform number, platform while welding equipment works
The information such as solder joint number.
Often there are problems with use for the electrical resistance weld controller of the prior art：Electric resistance welding equipment is using
When can cause power grid since load is unstable voltage and current it is unstable, voltage and current is unstable to cause Product jointing not
It is good, the defects of causing not prison welding solid, desoldering, dry joint and rosin joint, need further to be improved.
The content of the invention
In view of the defects of above-mentioned, it is an object of the invention to：A kind of electrical resistance weld controller is provided, there is voltage stabilizing and current stabilization
Effect so that resistance welder being capable of steady operation.
The present invention technical solution be：Electrical resistance weld controller, including control unit, the output terminal of described control unit
Be connected with resistance welder and display screen, the input terminal of described control unit is electrically connected with power module, described control unit it is defeated
Enter end and be also electrically connected with Voltage stabilizing module and current stabilization module, the output terminal of power module is electrically connected with voltage detection module and electric current inspection
Module is surveyed, the input terminal of Voltage stabilizing module is electrically connected with the output terminal of voltage detection module, and input terminal and the electric current of current stabilization module are examined
The output terminal for surveying module is electrically connected.
Further, the Voltage stabilizing module includes under-voltage protecting circuit and overvoltage crowbar, and the current stabilization module includes
Current stabilization protects circuit.
Further, under-voltage protecting circuit protection circuit includes operational amplifier U2A, the 4 feet connection of operational amplifier U2A
12V power supplys, 11 feet of operational amplifier U2A are grounded, and 12V power supplys are connected after 2 feet series connection, the one resistance R7 of operational amplifier U2A,
It is electrically connected after 3 feet series connection, the one resistance R38 of operational amplifier U2A with io ends, cathode and the operational amplifier U2A of a power supply E12
The connection of 3 feet, the anode ground connection of power supply E12, one end of a resistance R29 is connected with 2 feet of operational amplifier U2A, resistance R29's
The other end is grounded, and one end of a diode D9 is connected with 1 foot of operational amplifier U2A, one electricity of other end series connection of diode D9
It is connected after resistance R42 with 3 feet of operational amplifier U2A, one end of a diode D7 is connected with 1 foot of operational amplifier U2A, two poles
The other end of pipe D7 is connected with overload protecting circuit；
Overvoltage crowbar includes operational amplifier U2B, 7 feet of operational amplifier U2B connect after a diode D10 with control
Unit processed is electrically connected, and is connected after the one resistance R15 of cathode series connection of a power supply E13 with 5 feet of operational amplifier U2B, a resistance R11
One end be connected with the cathode of power supply E13, the other end of resistance R11 is electrically connected with io ends, the anode of power supply E13 ground connection；One is steady
It is connected after the one diode D3 of one end series connection of pressure diode Z1 with 5 feet of operational amplifier U2B, the other end of zener diode Z1
12V power supplys are connected, are connected after one end series diode D3 of a diode D4 with 5 feet of operational amplifier U2B, diode D4's
The other end is grounded, and diode D4 is parallel with a resistance R4.
Further, the protection circuit that carries includes resistance R40, resistance R13, resistance R16, resistance R17, resistance R18, electricity
Hinder R41, resistance R39, resistance R42, resistance R51, resistance R52, resistance R53, diode D8, diode D11, diode D6, ratio
Compared with device U2C, operational amplifier U1D, operational amplifier U2D, potentiometer VR1, power supply E10 and power supply E6；
10 feet of comparator U2C are connected with the cathode of power supply E10, and one end of resistance R13 connects with 10 feet of comparator U2C
Connecing, the other end of resistance R13 is connected with one end of diode D8, and the other end of diode D8 is connected with 8 feet of comparator U2C,
8 feet of comparator U2C are connected with one end of diode D11, and the other end of diode D11 is connected with diode D7, comparator U2C
9 foot series resistance R16 after be connected with 6 feet of operational amplifier U2B, one end of potentiometer VR1 and 9 feet of comparator U2C connect
Connect, other end connection 12V power supplys, the anode ground connection of power supply E10；
One end of diode D6 is connected with the cathode of power supply E10, other end connection 12V power supplys；The 12 of operational amplifier U2D
Foot is connected with one end of resistance R39, and the other end of resistance R39 is connected with io ends, and the cathode of power supply E6 is with operational amplifier U2D's
12 feet connect, the anode ground connection of power supply E6；It is grounded after the 13 foot series resistance R42 of operational amplifier U2D, one end of resistance R41
It is connected with 13 feet of operational amplifier U2D, the other end of resistance R41 is connected with 14 feet of operational amplifier U2D, resistance R51's
One end is connected with 14 feet of operational amplifier U2D, and the other end of resistance R51 is connected with 12 feet of operational amplifier U1D, resistance
One end of R52 is connected with 12 feet of operational amplifier U1D, and the other end ground connection of resistance R52, one end and the computing of resistance R18 are put
The 14 feet connection of big device U2D, the other end of resistance R18 are connected with 10 feet of comparator U2C；
It is electrically connected after the 13 foot series resistance R17 of operational amplifier U1D with potentiometer VR1,14 feet of operational amplifier U1D
It is connected with one end of resistance R53, is grounded after the other end one Light-emitting diode LED of series connection of resistance R53.
Using the electrical resistance weld controller designed by the present invention, its advantage is：The input terminal of control unit is also electrically connected
There are Voltage stabilizing module and current stabilization module, Voltage stabilizing module and the input terminal of current stabilization module are electrically connected with the output terminal of power module, pass through
Voltage stabilizing module and current stabilization module are used cooperatively so that the guard time of the voltage and current of electrical resistance weld controller can keep steady
Fixed and protecting effect is good, so as to improve the stability in use of resistance welder.
Brief description of the drawings
Fig. 1 is the overall principle schematic of the present invention；
Fig. 2 is the circuit diagram of invention.
Shown in figure：1- control units, 2- resistance welders, 3- display screens, 4- power modules, 5- Voltage stabilizing modules, 6- current stabilizations
Module, 7- under-voltage protecting circuits, 8- overvoltage crowbars, 9- current stabilizations protection circuit, 10- voltage detection modules, 11- current detectings
Module.
Embodiment
For it is relatively directly perceived, be fully understood by technical scheme, now just combine attached drawing of the present invention carry out it is non-limiting
Feature description it is as follows：
As depicted in figs. 1 and 2, electrical resistance weld controller, including control unit 1, the output terminal of described control unit 1 are connected with
Resistance welder 2 and display screen 3, the input terminal of described control unit 1 are electrically connected with power module 4, and the input terminal of control unit 1 is also
Voltage stabilizing module 5 and current stabilization module 6 are electrically connected with, the output terminal of power module 4 is electrically connected with voltage detection module 10 and electric current inspection
Survey module 11, the input terminal of Voltage stabilizing module 5 is electrically connected with the output terminal of voltage detection module 10, the input terminal of current stabilization module 6 and
The output terminal of current detection module 11 is electrically connected.
The input terminal of control unit 1 is also electrically connected with Voltage stabilizing module 5 and current stabilization module 6, Voltage stabilizing module 5 and current stabilization module 6
Input terminal be electrically connected with the output terminal of power module 4.
Voltage stabilizing module 5 includes under-voltage protecting circuit 7 and overvoltage crowbar 8, and the current stabilization module 6 includes current stabilization protection electricity
Road 9.
Under-voltage protecting circuit 7 protects circuit to include operational amplifier U2A, and 4 feet of operational amplifier U2A connect 12V power supplys,
11 feet of operational amplifier U2A are grounded, and 12V power supplys, operation amplifier are connected after 2 feet series connection, the one resistance R7 of operational amplifier U2A
It is electrically connected after 3 feet series connection, the one resistance R38 of device U2A with io ends, the cathode of a power supply E12 connects with 3 feet of operational amplifier U2A
Connect, the anode ground connection of power supply E12, one end of a resistance R29 is connected with 2 feet of operational amplifier U2A, the other end of resistance R29
Ground connection, one end of a diode D9 are connected with 1 foot of operational amplifier U2A, after the one resistance R42 of other end series connection of diode D9
It is connected with 3 feet of operational amplifier U2A, one end of a diode D7 is connected with 1 foot of operational amplifier U2A, diode D7's
The other end is connected with overload protecting circuit；
Overvoltage crowbar 8 includes operational amplifier U2B, 7 feet of operational amplifier U2B connect after a diode D10 with
Control unit 1 is electrically connected, and is connected after the one resistance R15 of cathode series connection of a power supply E13 with 5 feet of operational amplifier U2B, a resistance
One end of R11 is connected with the cathode of power supply E13, and the other end of resistance R11 is electrically connected with io ends, the anode ground connection of power supply E13；One
It is connected after the one diode D3 of one end series connection of zener diode Z1 with 5 feet of operational amplifier U2B, zener diode Z1's is another
End connects 12V power supplys, is connected after one end series diode D3 of a diode D4 with 5 feet of operational amplifier U2B, diode D4
Other end ground connection, diode D4 is parallel with a resistance R4.
Further, the protection circuit that carries includes resistance R40, resistance R13, resistance R16, resistance R17, resistance R18, electricity
Hinder R41, resistance R39, resistance R42, resistance R51, resistance R52, resistance R53, diode D8, diode D11, diode D6, ratio
Compared with device U2C, operational amplifier U1D, operational amplifier U2D, potentiometer VR1, power supply E10 and power supply E6；
10 feet of comparator U2C are connected with the cathode of power supply E10, and one end of resistance R13 connects with 10 feet of comparator U2C
Connecing, the other end of resistance R13 is connected with one end of diode D8, and the other end of diode D8 is connected with 8 feet of comparator U2C,
8 feet of comparator U2C are connected with one end of diode D11, and the other end of diode D11 is connected with diode D7, comparator U2C
9 foot series resistance R16 after be connected with 6 feet of operational amplifier U2B, one end of potentiometer VR1 and 9 feet of comparator U2C connect
Connect, other end connection 12V power supplys, the anode ground connection of power supply E10；
One end of diode D6 is connected with the cathode of power supply E10, other end connection 12V power supplys；The 12 of operational amplifier U2D
Foot is connected with one end of resistance R39, and the other end of resistance R39 is connected with io ends, and the cathode of power supply E6 is with operational amplifier U2D's
12 feet connect, the anode ground connection of power supply E6；It is grounded after the 13 foot series resistance R42 of operational amplifier U2D, one end of resistance R41
It is connected with 13 feet of operational amplifier U2D, the other end of resistance R41 is connected with 14 feet of operational amplifier U2D, resistance R51's
One end is connected with 14 feet of operational amplifier U2D, and the other end of resistance R51 is connected with 12 feet of operational amplifier U1D, resistance
One end of R52 is connected with 12 feet of operational amplifier U1D, and the other end ground connection of resistance R52, one end and the computing of resistance R18 are put
The 14 feet connection of big device U2D, the other end of resistance R18 are connected with 10 feet of comparator U2C；
It is electrically connected after the 13 foot series resistance R17 of operational amplifier U1D with potentiometer VR1,14 feet of operational amplifier U1D
It is connected with one end of resistance R53, is grounded after the other end one Light-emitting diode LED of series connection of resistance R53.
Electrical resistance weld controller designed by the present invention, the input terminal of control unit 1 are also electrically connected with Voltage stabilizing module 5 and current stabilization
The input terminal of module 6, Voltage stabilizing module 5 and current stabilization module 6 is electrically connected with the output terminal of power module 4, by Voltage stabilizing module 5 and surely
Flow module 6 is used cooperatively so that the guard time of the voltage and current of electrical resistance weld controller can keep stablizing and protecting effect
Fruit is good, so as to improve the stability in use of resistance welder 2.
Certainly, the foregoing is merely a prefered embodiment of the invention, and therefore, it does not limit the scope of the claims of the present invention, all fortune
With description of the invention and schema content institute, simply modification and equivalent structure change for it, should all similarly be contained in the special of the present invention
Within sharp protection domain.
Claims (4)
1. electrical resistance weld controller, including control unit, the output terminal of described control unit is connected with resistance welder and display screen, institute
The input terminal for stating control unit is electrically connected with power module, it is characterised in that：
The input terminal of described control unit is also electrically connected with Voltage stabilizing module and current stabilization module, and the output terminal of power module is electrically connected with
Voltage detection module and current detection module, the input terminal of Voltage stabilizing module are electrically connected with the output terminal of voltage detection module, current stabilization
The input terminal of module is electrically connected with the output terminal of current detection module.
2. the electrical resistance weld controller according to claim 1, it is characterised in that：The Voltage stabilizing module includes under-voltage protection
Circuit and overvoltage crowbar, the current stabilization module include current stabilization protection circuit.
3. electrical resistance weld controller according to claim 2, it is characterised in that：Under-voltage protecting circuit protection circuit includes computing
The 4 feet connection 12V power supplys of amplifier U2A, operational amplifier U2A, the 11 feet ground connection of operational amplifier U2A, operational amplifier U2A
2 feet connect 12V power supplys connected after a resistance R7,3 feet of operational amplifier U2A are connected and are electrically connected with io ends after a resistance R38,
The cathode of one power supply E12 is connected with 3 feet of operational amplifier U2A, the anode ground connection of power supply E12, one end of a resistance R29 and fortune
Calculate the 2 feet connection of amplifier U2A, the other end ground connection of resistance R29, one end of a diode D9 and 1 foot of operational amplifier U2A
Connect, be connected after the one resistance R42 of other end series connection of diode D9 with 3 feet of operational amplifier U2A, one end of a diode D7
It is connected with 1 foot of operational amplifier U2A, the other end of diode D7 is connected with overload protecting circuit；
Overvoltage crowbar includes operational amplifier U2B, and 7 feet of operational amplifier U2B are connected single with control after a diode D10
Member is electrically connected, and is connected after the one resistance R15 of cathode series connection of a power supply E13 with 5 feet of operational amplifier U2B, the one of a resistance R11
End is connected with the cathode of power supply E13, and the other end of resistance R11 is electrically connected with io ends, the anode ground connection of power supply E13；One voltage stabilizing two
It is connected after the one diode D3 of one end series connection of pole pipe Z1 with 5 feet of operational amplifier U2B, the other end connection of zener diode Z1
12V power supplys, are connected after one end series diode D3 of a diode D4, diode D4's is another with 5 feet of operational amplifier U2B
End ground connection, diode D4 are parallel with a resistance R4.
4. the electrical resistance weld controller according to claim 3, it is characterised in that：The protection circuit that carries includes resistance
R40, resistance R13, resistance R16, resistance R17, resistance R18, resistance R41, resistance R39, resistance R42, resistance R51, resistance R52,
Resistance R53, diode D8, diode D11, diode D6, comparator U2C, operational amplifier U1D, operational amplifier U2D, electricity
Position device VR1, power supply E10 and power supply E6；
10 feet of comparator U2C are connected with the cathode of power supply E10, and one end of resistance R13 is connected with 10 feet of comparator U2C, electricity
The other end of resistance R13 is connected with one end of diode D8, and the other end of diode D8 is connected with 8 feet of comparator U2C, comparator
8 feet of U2C are connected with one end of diode D11, and the other end of diode D11 is connected with diode D7,9 feet of comparator U2C
It is connected after series resistance R16 with 6 feet of operational amplifier U2B, one end of potentiometer VR1 is connected with 9 feet of comparator U2C, separately
One end connects 12V power supplys, the anode ground connection of power supply E10；
One end of diode D6 is connected with the cathode of power supply E10, other end connection 12V power supplys；12 feet of operational amplifier U2D with
One end connection of resistance R39, the other end of resistance R39 are connected with io ends, the cathode of power supply E6 and 12 feet of operational amplifier U2D
Connection, the anode ground connection of power supply E6；It is grounded after the 13 foot series resistance R42 of operational amplifier U2D, one end of resistance R41 and fortune
The 13 feet connection of amplifier U2D is calculated, the other end of resistance R41 is connected with 14 feet of operational amplifier U2D, one end of resistance R51
It is connected with 14 feet of operational amplifier U2D, the other end of resistance R51 is connected with 12 feet of operational amplifier U1D, resistance R52's
One end is connected with 12 feet of operational amplifier U1D, the other end ground connection of resistance R52, one end of resistance R18 and operational amplifier
The 14 feet connection of U2D, the other end of resistance R18 are connected with 10 feet of comparator U2C；
It is electrically connected after the 13 foot series resistance R17 of operational amplifier U1D with potentiometer VR1,14 feet and the electricity of operational amplifier U1D
One end connection of R53 is hindered, is grounded after the other end one Light-emitting diode LED of series connection of resistance R53.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915432.4A CN107962288A (en) | 2016-10-20 | 2016-10-20 | Electrical resistance weld controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915432.4A CN107962288A (en) | 2016-10-20 | 2016-10-20 | Electrical resistance weld controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107962288A true CN107962288A (en) | 2018-04-27 |
Family
ID=61997294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610915432.4A Pending CN107962288A (en) | 2016-10-20 | 2016-10-20 | Electrical resistance weld controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107962288A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759688A (en) * | 2018-12-28 | 2019-05-17 | 天津锦泰勤业精密电子有限公司 | A kind of battery connecting piece pressure welding fusion device and production equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038527A (en) * | 1988-04-25 | 1990-01-03 | 株式会社东芝 | The control device of contact welder |
| CN201161330Y (en) * | 2008-01-09 | 2008-12-10 | 东莞市特龙金科能源科技有限公司 | Impulse current spot welder |
| CN201211591Y (en) * | 2008-07-07 | 2009-03-25 | 小原(上海)有限公司 | Electric resistance electric arc welder control box with monitor function |
| CN202615150U (en) * | 2012-05-04 | 2012-12-19 | 沈阳中科机械电子工程有限公司 | Programmable resistance welding controller |
| CN203448847U (en) * | 2013-09-02 | 2014-02-26 | 华南理工大学 | High-power double-wire pulse MIG welding inverter power supply system |
| CN205489488U (en) * | 2016-01-29 | 2016-08-17 | 宁波晨宇能源科技有限公司 | Electronic product overload excessive pressure undervoltage protection circuit |
-
2016
- 2016-10-20 CN CN201610915432.4A patent/CN107962288A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038527A (en) * | 1988-04-25 | 1990-01-03 | 株式会社东芝 | The control device of contact welder |
| CN201161330Y (en) * | 2008-01-09 | 2008-12-10 | 东莞市特龙金科能源科技有限公司 | Impulse current spot welder |
| CN201211591Y (en) * | 2008-07-07 | 2009-03-25 | 小原(上海)有限公司 | Electric resistance electric arc welder control box with monitor function |
| CN202615150U (en) * | 2012-05-04 | 2012-12-19 | 沈阳中科机械电子工程有限公司 | Programmable resistance welding controller |
| CN203448847U (en) * | 2013-09-02 | 2014-02-26 | 华南理工大学 | High-power double-wire pulse MIG welding inverter power supply system |
| CN205489488U (en) * | 2016-01-29 | 2016-08-17 | 宁波晨宇能源科技有限公司 | Electronic product overload excessive pressure undervoltage protection circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759688A (en) * | 2018-12-28 | 2019-05-17 | 天津锦泰勤业精密电子有限公司 | A kind of battery connecting piece pressure welding fusion device and production equipment |
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Application publication date: 20180427 |
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| RJ01 | Rejection of invention patent application after publication |