CN217493008U - Welding device for quickly welding temperature probe - Google Patents
Welding device for quickly welding temperature probe Download PDFInfo
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- CN217493008U CN217493008U CN202220753844.3U CN202220753844U CN217493008U CN 217493008 U CN217493008 U CN 217493008U CN 202220753844 U CN202220753844 U CN 202220753844U CN 217493008 U CN217493008 U CN 217493008U
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- storage capacitor
- copper bar
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Abstract
The utility model discloses a welding set of quick welding temperature probe, its characterized in that: the energy-saving device comprises an alternating current power supply, an air switch QF, a one-way bridge rectifier D, an energy storage capacitor, an anode welding copper bar and a cathode welding copper bar, wherein the alternating current power supply is connected to the alternating current input end of the one-way bridge rectifier D through the air switch QF, and the energy storage capacitor is connected to the direct current output end of the one-way bridge rectifier D; the positive electrode welding copper bar and the negative electrode welding copper bar are respectively connected to the positive electrode and the negative electrode of the output end of the one-way bridge rectifier D. The utility model discloses a welding set of rapid welding temperature probe, thermocouple wire insulation are fixed on energy storage capacitor extends the welding copper bar, and the welding success rate reaches 100%, and the theory of use is simple, can be used to weld L type, K type, the J type thermocouple of 0.1~1mm, low cost, and the welding workman access threshold is low, is fit for the batch use of laboratory and mill.
Description
Technical Field
The utility model relates to a welding set, more specifically the theory that says so especially relates to a welding set of rapid welding temperature probe.
Background
The thermocouple is a temperature sensing element and is widely applied to the field of industrial temperature measurement, and a temperature measuring point is formed by welding thermocouple wires made of two different materials. The thermocouple material usually adopts noble metal such as nickel, chromium, silicon, platinum, rhodium to constitute, in addition for the installation and the formation of thermoelectric force of adaptation complicated operating mode, the thermocouple silk is generally very thin, within 1mm, easily damages the temperature measurement point when using. The existing thermocouple welding technology is divided into contact fusion welding and contact impact welding. In the contact fusion welding, thermocouple wires are heated to be fused together, professional equipment is needed, the price is high, the requirement on the skill level of an operator is high, and the waste of precious metal materials is easily caused; the contact impact welding is carried out through direct current electric pulse welding, and the existing impact welding instrument is complex in structure, large in size, complex in operation steps and low in working efficiency.
Disclosure of Invention
The utility model discloses an overcome above-mentioned technical problem's shortcoming, provide a welding set of rapid welding temperature probe.
The utility model discloses a welding set of quick welding temperature probe, its characterized in that: the energy-saving device comprises an alternating current power supply, an air switch QF, a one-way bridge rectifier D, an energy storage capacitor, an anode welding copper bar and a cathode welding copper bar, wherein the alternating current power supply is connected to the alternating current input end of the one-way bridge rectifier D through the air switch QF, and the energy storage capacitor is connected to the direct current output end of the one-way bridge rectifier D; the positive electrode welding copper bar and the negative electrode welding copper bar are respectively connected to the positive electrode and the negative electrode of the output end of the one-way bridge rectifier D; and the energy storage capacitor is subjected to fusion welding by the positive electrode welding copper bar and the negative electrode welding copper.
The utility model discloses a welding set of rapid welding temperature probe, energy storage electric capacity includes energy storage electric capacity C1 and energy storage electric capacity C2, and energy storage electric capacity C1 and energy storage electric capacity C2's both ends connect on one-way bridge rectifier D's output.
The utility model discloses a welding set of rapid welding temperature probe, including connecing in the resistor R on one-way bridge rectifier D output, the residual voltage on the thermocouple welding back energy storage electric capacity falls through resistor R release.
The utility model discloses a welding set of rapid welding temperature probe, energy storage electric capacity C1 is connected through connecting the copper bar with energy storage electric capacity C2.
The utility model discloses a welding set of quick welding temperature probe, carry out the insulating pincers of centre gripping including the welding end of treating the welding thermocouple.
The utility model discloses a welding set of rapid welding temperature probe, alternating current power supply adopts 220V alternating current commercial power.
The beneficial effects of the utility model are that: the utility model discloses a welding set of rapid welding temperature probe, alternating current power supply realizes charging energy storage capacitor (C1, C2) after the rectification of one-way bridge rectifier D, charges and cuts off alternating current power supply through air switch QF after reaching the settlement requirement in order to finish charging; and the charged energy storage capacitor enables the positive electrode and the negative electrode to be welded with copper bars to realize welding of the thermocouple to be welded.
Therefore, the welding device for rapidly welding the temperature probe does not need to adjust the voltage, cut off the power and other operations in the thermocouple welding process, only needs one-time power-on action, is convenient to operate and has high working efficiency; after welding is completed, the energy of the energy storage capacitor is completely utilized, and residual voltage is discharged through the resistor R, so that the operation is safe and reliable; the thermocouple wire is fixed on the energy storage capacitor extension welding copper bar in an insulating mode, the welding success rate reaches 100%, the use principle is simple, the thermocouple wire can be used for welding 0.1-1 mm L-shaped thermocouples, K-shaped thermocouples and J-shaped thermocouples, the cost is low, the access threshold of a welding worker is low, and the thermocouple wire is suitable for batch use in laboratories and factories.
Drawings
Fig. 1 is a schematic circuit diagram of the welding device for rapidly welding the temperature probe according to the present invention.
In the figure: 1 alternating current power supply, 2 air switches QF, 3 one-way bridge rectifiers D, 4 energy storage capacitors C1, 5 energy storage capacitors C2, 6 resistors R, 7 anode welding copper bars and 8 cathode welding copper bars.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
As shown in fig. 1, the utility model discloses a welding set's of rapid welding temperature probe circuit schematic diagram, it comprises alternating current power supply 1, air switch QF, one-way bridge rectifier D, energy storage electric capacity C1, energy storage electric capacity C2, resistor R, anodal welding copper bar 7 and negative pole welding copper bar 8. The ac power supply 1 supplies power to the entire welding apparatus, and 220V ac commercial power is used. The alternating current power supply 1 is connected with an alternating current input end of the unidirectional bridge rectifier D through the air switch QF, and the energy storage capacitor C1, the energy storage capacitor C2 and the resistor R are all connected with a direct current output end of the unidirectional bridge rectifier D. And the positive electrode and the negative electrode of the direct current output end of the one-way bridge rectifier D form a positive electrode welding copper bar 7 and a negative electrode welding copper bar 8 respectively.
When the electric welding device works, one end of the thermocouple connecting pin is fixed on a negative electrode welding copper bar of the welding device by using the insulating clamp, the air switch QF is pulled to close the circuit, and the commercial power (220 VAC) converts an alternating current power supply into a direct current power supply through the single-phase bridge rectifier D to charge the energy storage capacitor. When the instantaneous charging current is larger than the tripping rated current of the air switch QF, the air switch QF can automatically trip, and the energy stored in the capacitor after tripping is enough for the thermocouple to perform one-time welding.
And then, the head parts of the thermocouples to be welded are orderly attached, the welding ends of the thermocouples are clamped by insulating clamps at the positions of about 0.5-1 mm, the exposed thermocouples are made to contact with the anode welding copper bar, high-temperature electric arcs are instantly generated to fuse the end points of the two thermocouple wires together, smooth welding spots are formed, and the welding operation is completed.
The capacity of the energy storage capacitor is determined through accurate calculation, energy required by welding is stored in each charging process, after welding is completed, the voltage on the capacitor is reduced to be within 10VDC, and the capacitor is discharged through the resistor R, so that no residual voltage in the capacitor is ensured.
It can be seen that the utility model discloses a welding set of rapid welding temperature probe utilizes the direct current voltage short circuit to produce high temperature electric arc melting thermocouple wire, accomplishes the welding of thermocouple. The welding spot bead is round and smooth, is not easy to loosen, reduces the welding loss of precious metal, and has small volume, quick operation, safety and reliability.
Claims (6)
1. The utility model provides a welding set of rapid welding temperature probe which characterized in that: the energy-saving type solar energy collector comprises an alternating current power supply (1), an air switch QF (2), a one-way bridge rectifier D (3), an energy storage capacitor, an anode welding copper bar (7) and a cathode welding copper bar (8), wherein the alternating current power supply is connected to the alternating current input end of the one-way bridge rectifier D through the air switch QF, and the energy storage capacitor is connected to the direct current output end of the one-way bridge rectifier D; the positive electrode welding copper bar and the negative electrode welding copper bar are respectively connected to the positive electrode and the negative electrode of the output end of the one-way bridge rectifier D; and the energy storage capacitor is subjected to fusion welding by the positive electrode welding copper bar and the negative electrode welding copper.
2. Welding device for rapid welding of temperature probes according to claim 1, characterized in that: the energy storage capacitor comprises an energy storage capacitor C1 (4) and an energy storage capacitor C2 (5), and two ends of the energy storage capacitor C1 and two ends of the energy storage capacitor C2 are connected to the output end of the one-way bridge rectifier D (3).
3. Welding device for rapid welding of temperature probes according to claim 1 or 2, characterized in that: the device comprises a resistor R (6) connected to the output end of a one-way bridge rectifier D (3), and residual voltage on an energy storage capacitor after the thermocouple is welded is released through the resistor R.
4. The welding device for rapid welding of a temperature probe according to claim 2, characterized in that: the energy storage capacitor C1 (4) is connected with the energy storage capacitor C2 (5) through a connecting copper bar.
5. Welding device for rapid welding of temperature probes according to claim 1 or 2, characterized in that: comprises an insulating clamp for clamping the welding end of a thermocouple to be welded.
6. Welding device for rapid welding of temperature probes according to claim 1 or 2, characterized in that: the alternating current power supply (1) adopts 220V alternating current commercial power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220753844.3U CN217493008U (en) | 2022-04-02 | 2022-04-02 | Welding device for quickly welding temperature probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220753844.3U CN217493008U (en) | 2022-04-02 | 2022-04-02 | Welding device for quickly welding temperature probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217493008U true CN217493008U (en) | 2022-09-27 |
Family
ID=83347852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220753844.3U Active CN217493008U (en) | 2022-04-02 | 2022-04-02 | Welding device for quickly welding temperature probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217493008U (en) |
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2022
- 2022-04-02 CN CN202220753844.3U patent/CN217493008U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Tianbao Inventor after: Liu Jizhou Inventor after: Zhang Deqiang Inventor after: Chen Tianyan Inventor after: Cai Baozhu Inventor before: Zhang Tianbao Inventor before: Liu Jizhou Inventor before: Zhang Deqiang Inventor before: Chen Tianyan Inventor before: Cai Baozhu |
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| CB03 | Change of inventor or designer information |