CN101209509A - Thermojunction butt welding machine and welding method thereof - Google Patents

Thermojunction butt welding machine and welding method thereof Download PDF

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Publication number
CN101209509A
CN101209509A CNA2006101716565A CN200610171656A CN101209509A CN 101209509 A CN101209509 A CN 101209509A CN A2006101716565 A CNA2006101716565 A CN A2006101716565A CN 200610171656 A CN200610171656 A CN 200610171656A CN 101209509 A CN101209509 A CN 101209509A
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CN
China
Prior art keywords
thermocouple
electric capacity
switch
microswitch
butt welding
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CNA2006101716565A
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Chinese (zh)
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CN100503124C (en
Inventor
张哲巓
穆克进
王岳
肖云汉
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Institute of Engineering Thermophysics of CAS
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Institute of Engineering Thermophysics of CAS
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Priority to CNB2006101716565A priority Critical patent/CN100503124C/en
Publication of CN101209509A publication Critical patent/CN101209509A/en
Application granted granted Critical
Publication of CN100503124C publication Critical patent/CN100503124C/en
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Abstract

The invention provides a thermocouple butt welder and a welding method thereof. The invention adopts an arc-typed welding technique and relates to the welding technique. The invention comprises a voltage adjustable DC power supply unit, an adjustable capacitance value charging/discharging unit and a relay unit. Furthermore, the thermocouple butt welding technique that the shape of two thermocouple wires is prearranged is adopted to implement the pre-tightening force. The thermocouple butt welder of the invention can implement the butt welding of the thermocouple wires with different materials and different diameters by adjusting the voltage, capacitor and the pre-tightening force of the two thermocouple wires.

Description

Thermocouple butt welding machine and welding method thereof
Technical field
The present invention relates to the thermocouple welding technology field, particularly thermocouple butt welding machine and welding method thereof.
Background technology
Thermocouple is a main tool of measuring temperature in all trades and professions.Different application scenarios is not quite similar for Type of Welding, the precision of thermocouple and the requirement that installs and measures method etc.
Have in the field of strengthening thermograde for flame etc., during with its temperature of thermocouple measurement,, therefore need use the thermocouple of butt joint type because temperature must just can be reacted the actual temperature field through revising.
Traditional thermocouple solder technology has adopted with two thermo wires hinges together mostly, by methods such as spark discharge or flame heat thermo wires is melted together again.For adapt to flame measure in to the requirement of thermocouple, be necessary to design the butt welding machine of thermocouple and to welding technology.
Summary of the invention
The object of the present invention is to provide a kind of thermocouple butt welding machine and to welding technology, be the voltage by regulating thermocouple and the size of electric capacity, can well be to unlike material, the thermocouple of different-diameter carries out butt welding.
For achieving the above object, technical solution of the present invention is: a kind of thermocouple butt welding machine, use the arc type solder technology, and comprise the adjustable DC power source unit of voltage, tunable capacitor value charge/discharge unit, relay unit; The adjustable DC power source unit of its voltage comprises attaching plug, pressure regulator, transformer, fairing; Tunable capacitor value charge/discharge unit comprises the electric capacity of most different capacitances and switch, external capacitor socket, two contacts; Relay unit comprises relay, microswitch, welding switch;
Wherein, attaching plug is electrically connected with the primary coil two ends of pressure regulator, and constitutes the loop with relay coil and welding switch; The output of pressure regulator and the primary coil of transformer constitute the loop, and the secondary coil of transformer meets two output terminals A, B by fairing;
Output terminals A is electrically connected with electric capacity one end of most different capacitances in parallel, and output is electrically connected with microswitch first end, and microswitch second end is electrically connected with the electric capacity other end of most different capacitances in parallel by most switches;
Microswitch the 3rd end is provided with a contact, and relay is controlled microswitch, makes second end and the 3rd end on-off of microswitch, and down conventional, first end and second end of microswitch communicate;
Output terminals A is provided with another contact.
Described thermocouple butt welding machine, it also comprises operating desk, operating desk has two pedestals and two briquettings.
Described thermocouple butt welding machine, its described majority switch is electrically connected with the electric capacity other end of most different capacitances in parallel, be switch of serial connection on each electric capacity, be provided with an external capacitor socket, be connected with an external capacitor is dismountable in the electric capacity and the switch ends that are connected in series.
Described thermocouple butt welding machine, the electric capacity of its described majority different capacitance and the capacitance group that switch in parallel has been formed the tunable capacitor value, by regulating electric capacity quantity in parallel and different capacitances with switch, and, come the energy storage capacity of control capacittance group by external capacitor.
Described thermocouple butt welding machine, its described fairing circuit, be most electric capacity in parallel between transformer secondary output coil and two output terminals A, B, between an end and output B of transformer secondary output coil, serial resistance, at least two commutation diodes and another resistance in proper order.
A kind of welding method of described thermocouple butt welding machine places two sections thermo wires respectively on two pedestals earlier, and a space is arranged between two pedestals, pushes down two sections thermo wires respectively with two briquettings;
The inner of two sections thermo wires is positioned at the space between two pedestals, and the inner termination bending of two sections thermo wires is good relatively, to realize the pretightning force of thermocouple;
The outer end of two sections thermo wires respectively by lead respectively with after two contacts are connected, by discharging and recharging of relay control capacitance, thereby realize the welding of thermocouple.
Described thermocouple butt welding machine, its AC mains are pressed by pressure regulator, transformer and fairing, realize the output of 0-500V adjustable DC voltage, charge to the shunt capacitance group.
Thermocouple butt welding machine of the present invention can be realized to the unlike material thermocouple wire butt welding of the thermocouple wire of different thermo wires diameters by the pretightning force of regulation voltage, electric capacity and two thermo wires.
Description of drawings
Fig. 1 is the structural representation of thermocouple butt welding machine of the present invention.
The specific embodiment
Fig. 1 is the schematic diagram of a specific embodiment structure of thermocouple butt welding machine of the present invention, comprises the adjustable DC power source unit of voltage, tunable capacitor value charge/discharge unit, relay unit.The adjustable DC power source unit of voltage comprises attaching plug 1, pressure regulator 2, transformer 3, fairing 4; Tunable capacitor value charge/discharge unit comprises the electric capacity 6 of most different capacitances and switch 61, external capacitor socket 7, two contacts 8,9; Relay unit comprises relay 5, microswitch 55, welding switch 56.
Wherein, attaching plug 1 is electrically connected with the primary coil two ends of pressure regulator 2, and constitutes the loop with relay 5 coils and welding switch 56.The primary coil of the output of pressure regulator 2 and transformer 3 constitutes the loop, and the secondary coil of transformer 3 meets two output terminals A, B by fairing 4.
Output terminals A is electrically connected with electric capacity 6 one ends of most different capacitances in parallel, output B is electrically connected with microswitch 55 first ends, microswitch 55 second ends are electrically connected with electric capacity 6 other ends of most different capacitances in parallel by most switches 61, i.e. switch 61 of serial connection on each electric capacity 6.Electric capacity 6 and switch 61 two ends in serial connection are provided with an external capacitor socket 7, but external capacitor.
The electric capacity 6 of most different capacitances has composed in parallel the capacitor charge and discharge unit of tunable capacitor value, by regulating electric capacity quantity in parallel and different capacitances, and by external capacitor, and energy storage capacity that can the control capacittance group.
Microswitch 55 the 3rd end is provided with contact 8, and relay 5 is controlled microswitches 55, makes second end and the 3rd end on-off of microswitch 55, and down conventional, first end and second end of microswitch 55 communicate.
Output terminals A is provided with contact 9.
Fairing 4 circuit are most electric capacity 42 in parallel between transformer 3 secondary coils and two output terminals A, B, between an end and output B of transformer 3 secondary coils, and serial resistance 43, at least two commutation diodes 41, another resistance 43 in proper order.
Thermocouple butt welding machine of the present invention also comprises operating desk, and operating desk has two pedestals 11 and two briquettings 12.
The welding method of thermocouple butt welding machine of the present invention is: earlier two sections thermo wires 20 are placed respectively on two pedestals 11,11 of two pedestals have a space, push down two sections thermo wires 20 respectively with two briquettings 12.The inner of two sections thermo wires 20 is positioned at the space of 11 of two pedestals, and the inner termination bending of two sections thermo wires 20 is good relatively, to realize the pretightning force of thermocouple; The outer end of two sections thermo wires 20 is connected with two contacts 8,9 by lead 10 respectively.
Connect the 220V AC power with attaching plug 1 again, before the butt welding, by regulating the voltage of pressure regulator 2, select the VD of two output terminals A, B, and select simultaneously the capacitance of discharge capacity 6 with closed several switches 61, the pretightning force that cooperates thermo wires, realizing to unlike material, the butt welding of discharging of the thermocouple of different thermo wires diameters.
The 220V alternating voltage is realized the output of 0-500V adjustable DC voltage by pressure regulator 2, transformer 3 and fairing 4, charges to the shunt capacitance group.
Then, closed welding switch 56, make the coil electricity of relay 5,5 pairs of microswitches of relay 55 act on, and make second end and the 3rd end electric connection of microswitch 55, and first end and second end disconnect, cause several closed switches 61 and electric capacity 6 or add external electric capacity, form loops through two contacts 8,9, lead 10, two thermo wires 20,, thereby realize the welding of two sections thermo wires 20 in the discharge of the inner termination place of two sections thermo wires 20.

Claims (7)

1. a thermocouple butt welding machine is used the arc type solder technology, comprises the adjustable DC power source unit of voltage, tunable capacitor value charge/discharge unit, relay unit; It is characterized in that,
The adjustable DC power source unit of voltage comprises attaching plug, pressure regulator, transformer, fairing; Tunable capacitor value charge/discharge unit comprises the electric capacity of most different capacitances and switch, external capacitor socket, two contacts; Relay unit comprises relay, microswitch, welding switch;
Wherein, attaching plug is electrically connected with the primary coil two ends of pressure regulator, and constitutes the loop with relay coil and welding switch; The output of pressure regulator and the primary coil of transformer constitute the loop, and the secondary coil of transformer meets two output terminals A, B by fairing;
Output terminals A is electrically connected with electric capacity one end of most different capacitances in parallel, and output is electrically connected with microswitch first end, and microswitch second end is electrically connected with the electric capacity other end of most different capacitances in parallel by most switches;
Microswitch the 3rd end is provided with a contact, and relay is controlled microswitch, makes second end and the 3rd end on-off of microswitch, and down conventional, first end and second end of microswitch communicate;
Output terminals A is provided with another contact.
2. thermocouple butt welding machine as claimed in claim 1 is characterized in that, comprises that also operating desk, operating desk have two pedestals and two briquettings.
3. thermocouple butt welding machine as claimed in claim 1, it is characterized in that, a described majority switch is electrically connected with the electric capacity other end of most different capacitances in parallel, it is switch of serial connection on each electric capacity, electric capacity and switch ends in serial connection are provided with an external capacitor socket, are connected with an external capacitor is dismountable.
4. thermocouple butt welding machine as claimed in claim 1, it is characterized in that, the electric capacity of a described majority different capacitance and the capacitance group that switch in parallel has been formed the tunable capacitor value, by regulating electric capacity quantity in parallel and different capacitances with switch, and, come the energy storage capacity of control capacittance group by external capacitor.
5. thermocouple butt welding machine as claimed in claim 1, it is characterized in that, described fairing circuit, be most electric capacity in parallel between transformer secondary output coil and two output terminals A, B, between an end and output B of transformer secondary output coil, order serial resistance, at least two commutation diodes and another resistance.
6. the welding method of a thermocouple butt welding machine as claimed in claim 1 or 2 is characterized in that, earlier two sections thermo wires is placed respectively on two pedestals, and a space is arranged between two pedestals, pushes down two sections thermo wires respectively with two briquettings;
The inner of two sections thermo wires is positioned at the space between two pedestals, and the inner termination bending of two sections thermo wires is good relatively, to realize the pretightning force of thermocouple;
The outer end of two sections thermo wires respectively by lead respectively with after two contacts are connected, by discharging and recharging of relay control capacitance, thereby realize the welding of thermocouple.
7. thermocouple butt welding machine as claimed in claim 1 or 2 is characterized in that, AC mains is pressed by pressure regulator, transformer and fairing, realizes the output of 0-500V adjustable DC voltage, charges to the shunt capacitance group.
CNB2006101716565A 2006-12-31 2006-12-31 Thermocouple butt welding machine and welding method thereof Expired - Fee Related CN100503124C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006101716565A CN100503124C (en) 2006-12-31 2006-12-31 Thermocouple butt welding machine and welding method thereof

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Application Number Priority Date Filing Date Title
CNB2006101716565A CN100503124C (en) 2006-12-31 2006-12-31 Thermocouple butt welding machine and welding method thereof

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CN101209509A true CN101209509A (en) 2008-07-02
CN100503124C CN100503124C (en) 2009-06-24

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102513659A (en) * 2011-12-14 2012-06-27 北京卫星环境工程研究所 Thermocouple welding method and welding device
CN102528219A (en) * 2011-12-27 2012-07-04 深圳深爱半导体股份有限公司 Thermocouple welding device and welding method
CN103831523A (en) * 2012-11-20 2014-06-04 鸿富锦精密工业(深圳)有限公司 Welding device
CN106624528A (en) * 2015-10-29 2017-05-10 上海梅山钢铁股份有限公司 Thermocouple welding platform applied to lab, and welding method
CN107635711A (en) * 2014-12-22 2018-01-26 伊利诺斯工具制品有限公司 Energy storage canister for welding system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121749A (en) * 1976-03-31 1978-10-24 Electro-Nite Co. Method of making thermocouple
CN2206695Y (en) * 1994-07-21 1995-09-06 邓一然 Welding machine with temp. sensor
CN1173795C (en) * 2001-09-05 2004-11-03 清华同方股份有限公司 Thermocouple preparation and its apparatus
JP4431784B2 (en) * 2004-02-19 2010-03-17 国立大学法人 千葉大学 Method for manufacturing ultrafine wire thermocouple and jig for manufacturing

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102513659A (en) * 2011-12-14 2012-06-27 北京卫星环境工程研究所 Thermocouple welding method and welding device
CN102513659B (en) * 2011-12-14 2015-05-20 北京卫星环境工程研究所 Thermocouple welding method and welding device
CN102528219A (en) * 2011-12-27 2012-07-04 深圳深爱半导体股份有限公司 Thermocouple welding device and welding method
CN103831523A (en) * 2012-11-20 2014-06-04 鸿富锦精密工业(深圳)有限公司 Welding device
CN107635711A (en) * 2014-12-22 2018-01-26 伊利诺斯工具制品有限公司 Energy storage canister for welding system
CN106624528A (en) * 2015-10-29 2017-05-10 上海梅山钢铁股份有限公司 Thermocouple welding platform applied to lab, and welding method
CN106624528B (en) * 2015-10-29 2018-10-26 上海梅山钢铁股份有限公司 A kind of use for laboratory thermocouple welding platform and welding method

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