CN209961353U - Temperature measuring equipment for manual flame brazing of pipelines - Google Patents
Temperature measuring equipment for manual flame brazing of pipelines Download PDFInfo
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- CN209961353U CN209961353U CN201920699061.XU CN201920699061U CN209961353U CN 209961353 U CN209961353 U CN 209961353U CN 201920699061 U CN201920699061 U CN 201920699061U CN 209961353 U CN209961353 U CN 209961353U
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- temperature measuring
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Abstract
The utility model relates to a temperature measuring equipment for manual flame brazing of pipeline. The temperature measuring equipment is of an integrated two-chamber structure and comprises a display control chamber and a mechanical temperature measuring chamber, and a circuit part is separated from a mechanical part. The display control room comprises a paperless recorder, a lead screw guide rail starting button, a lead screw guide rail stopping button, a cooling fan, a 24V power converter and a power plug with a switch, and the mechanical temperature measuring room comprises a lead screw guide rail, a flame temperature measuring probe, a pipeline temperature measuring probe and a temperature measuring probe fixing clamp. When the device is used, a power supply is switched on, the temperature measuring probe is adjusted to a proper position, the flame temperature measuring probe is directly ignited by the welding gun to measure the flame temperature of the welding gun, the simulated welding pipeline is placed on the pipeline temperature measuring probe to perform flame brazing, and the distribution of the pipeline temperature during welding is measured. The temperature measurement experiment can clearly observe the change of the temperature of the pipeline during welding and the distribution uniformity of the temperature, and the method has great use for improving the flame brazing process and training welders.
Description
Technical Field
The utility model relates to a temperature measuring equipment, in particular to a temperature measuring equipment that is used for manual flame brazing of pipeline.
Background
Refrigerator, freezer, air conditioner and other electrical apparatus in the household electrical appliances product mainly adopt flame brazing's mode to implement the connection to the pipeline in process of production, and in traditional welding, the temperature of flame generally is welder's empirical value, only can roughly judge through flame color variation, and not only the error is great, and the temperature distribution of flame each department (including inner flame, outer flame and flame heart) can't learn at all, and welder amplitude of fluctuation, distance, frequency also can't learn to pipeline temperature variation's influence. However, the temperature has a crucial influence on the welding quality, and the size and distribution of the temperature determine the welding quality and the brazing depth of the pipeline. In order to quantify the flame temperature and the pipeline temperature during flame brazing and further improve the flame brazing process, the development of equipment capable of measuring both the flame temperature and the pipeline temperature is required.
Disclosure of Invention
The utility model aims at providing a temperature measurement equipment for manual flame brazing of pipeline is used for measuring pipeline temperature and flame temperature when manual flame brazing.
In order to achieve the purpose, the technical scheme is adopted.
The utility model provides a temperature measuring equipment for manual flame brazing of pipeline, temperature measuring equipment is two room structures as an organic whole, includes display control room and mechanical temperature measuring room, separates circuit part and mechanical part. The display control room comprises a paperless recorder, a lead screw guide rail driver, a cooling fan, a lead screw guide rail controller, a lead screw guide rail starting button, a lead screw guide rail stopping button, a 24V power converter and a power plug with a switch, and the mechanical temperature measuring room comprises a lead screw guide rail, a wiring terminal, a flame temperature measuring probe, a pipeline temperature measuring probe and a temperature measuring probe fixing clamp.
The thermocouple used by the flame temperature probe is a tungsten-rhenium thermocouple, and the tungsten-rhenium thermocouple is fixed on the steel pipe to serve as the flame temperature probe.
The thermocouple used by the pipeline temperature measuring probe is a thermocouple, the probe comprises 4 nickel-chromium-nickel-silicon thermocouples, and the inner wall temperature of the front end and the rear end of the welding seam and the inner wall temperature of the front end and the rear end of the qualified brazing depth are respectively measured during welding.
The flame temperature probe and the pipeline temperature probe are fixed together with the screw guide rail slide block through the temperature probe fixing clamp, and the position of the probe is adjusted through the screw guide rail.
The lead screw guide rail starting button, the lead screw guide rail stopping button, the lead screw guide rail controller and the lead screw guide rail driver control the lead screw guide rail to start and stop.
The lead screw guide rail is provided with a proximity switch for limiting the moving position of the lead screw guide rail sliding block.
The paperless recorder is connected with the lead screw guide rail controller, and when the temperature measuring temperature exceeds the temperature measuring limit of the thermocouple, the lead screw guide rail can be controlled to descend, so that the thermocouple probe is protected.
The power plug with the switch does the utility model provides a 220V alternating current power supply connects paperless record appearance, 24V power converter and radiator fan to from band switch and fuse.
The 24V power converter provides 24V direct current power supply for the lead screw guide rail.
The cooling fan is started when the equipment is started to cool the display control room.
One end of the wiring terminal is directly connected with a thermocouple receiving end of the paperless recorder, and the other end of the wiring terminal is connected with the pipeline temperature probe and the flame temperature probe thermocouple, so that the thermocouple is convenient to replace and repair.
The utility model has the advantages as follows:
1. the flame temperature measuring probe can directly measure the welding flame temperature, the temperature measuring range of the tungsten-rhenium thermocouple is wide, and guidance is provided when flame brazing is carried out in a factory;
2. the pipeline temperature probe can accurately measure the temperature of the front end and the rear end of a welding pipeline and the temperature of the qualified brazing depth in real time, can check whether the temperature is uniformly distributed during welding and whether the flame temperature of the front end is over-burnt during melting of rear brazing filler metal, and can make the temperature difference measured by 4 thermocouples smaller, the temperature of the whole welding seam is more uniform and the welding quality is better by improving the welding process, such as improving a welding gun spray head and swinging during welding;
3. the paperless recorder can display the temperatures measured by the pipeline temperature measuring probe and the flame temperature measuring probe in real time, can set a certain temperature, and can give a signal to the lead screw guide rail when the measured temperature exceeds the specified temperature, so that the lead screw guide rail is started to descend, and a thermocouple is protected;
4. the utility model discloses divide into display control room and mechanical temperature measuring room, realized the separation of circuit part and mechanical part. The mechanical temperature measuring chamber is provided with a door lock, so that the opening and the adjustment are convenient; the display control room is sealed by screws, so that the sealing and safety of the circuit are ensured;
5. the display control room is provided with a cooling fan to prevent the instrument from being burnt out due to overhigh temperature of the closed space;
6. the mechanical temperature measuring chamber is provided with a wiring terminal, so that the thermocouple is convenient to replace and repair;
7. the display and control end is positioned at the top of the equipment, so that the data operation instrument can be observed conveniently.
Drawings
Fig. 1 is a rear view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is an isometric view of the present invention.
Fig. 4 is a cross-sectional view of the utility model of the pipeline temperature probe when in use.
The device comprises a paper-free recorder 1, a lead screw guide rail driver 2, a cooling fan 3, a lead screw guide rail controller 4, a 24V power converter 5, a flame temperature probe 6, a pipeline temperature probe 7, a lead screw guide rail 8, a temperature probe fixing clamp 9, a thermocouple wiring terminal 10, a box body frame 11, a lead screw guide rail starting button 12, a lead screw guide rail stopping button 13, a paper-free recorder display screen 14, a pipeline temperature probe hole 15, a flame temperature probe hole 16, brazing filler metal 17, a pipeline temperature probe partial sectional view 18, a temperature measuring tube 19, a simulated pipeline sleeve 20, a nickel-chromium-nickel-silicon thermocouple 21, a simulated pipeline insert tube 22 and a welding gun 23.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
The utility model discloses temperature measurement equipment is two room structures as an organic whole, survey the greenhouse including display control room and machinery, realized electromechanical separation. As shown in fig. 1, the display control room includes a paperless recorder, a voltage converter, a lead screw guide rail driver, a cooling fan, a lead screw guide rail controller, a lead screw guide rail switch, a 24V power converter, a power plug with a switch, a lead screw guide rail of a mechanical temperature measurement room, a flame temperature measurement probe, and a pipeline temperature measurement probe. As shown in figure 1, a flame temperature probe 6 and a pipeline temperature probe 7 of a mechanical temperature measuring room are fixed with a slide block 8 of a lead screw guide rail through a temperature probe fixing clamp 9, and the positions of the probes are adjusted through the lead screw guide rail. The lead screw guide rail is provided with a proximity switch to control the sliding position of the sliding block. The connecting terminal 10 is connected with the thermocouple receiving end of the paperless recorder 1, and the thermocouple is directly connected to the connecting terminal when a temperature probe is placed, so that the thermocouple is convenient to replace and repair. A screw guide controller 4 and a screw guide driver 2 for controlling the screw guide.
As shown in figure 2, the control part of the temperature measuring equipment comprises a lead screw guide rail starting button 12, a stopping button 13 and a substance recorder display 14, the top of the equipment is convenient for operating instruments and observing data, and the top plane of the operation part and the top plane of the mechanical temperature measuring chamber form a ladder shape for the beauty and practicability of the equipment.
As shown in figure 4, the temperature measuring probe of the pipeline clamps the temperature measuring parts of 4 nickel-chromium-nickel-silicon thermocouples 21 on the temperature measuring probe through the protruded teeth of the temperature measuring tube, and the positions of the temperature measuring parts are respectively the front and back positions of the end part of the temperature measuring tube 19 and the front and back positions of the end part 3 ~ 6 mm.
The operation process comprises the following steps:
the first step is as follows: switching on a power supply, turning on an equipment switch, starting the paperless recorder to measure temperature, and starting the cooling fan;
the second step is that: pressing a lead screw guide rail starting switch, and pressing a lead screw guide rail stopping button when the flame temperature measuring probe and the pipeline temperature measuring probe reach proper positions;
the third step: firing the flame temperature measuring probe by using a welding gun, measuring the flame temperature of the welding gun, recording data, and starting the temperature measuring probe to descend by using the lead screw guide rail when the flame temperature exceeds the temperature measuring range of the tungsten-rhenium thermocouple to protect the temperature measuring thermocouple;
the fourth step: before welding simulation, placing a simulation pipeline sleeve and a simulation pipeline insert pipe, enabling a temperature measuring probe to be tightly attached to the inner wall of the simulation pipeline insert pipe, enabling the top of a welding seam of the simulation pipeline to be flush with the top of the temperature measuring probe, heating the temperature measuring pipeline by using a welding gun, placing brazing filler metal on the back of the simulation pipeline when the temperature of the brazing filler metal is heated to the melting temperature, and then completing welding record data;
the fifth step: and (3) importing the data into a computer from the paperless recorder through a CF card or a data line, and analyzing the data.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a temperature measuring equipment for manual flame brazing of pipeline which characterized in that: the temperature measuring equipment is of an integrated two-chamber structure and comprises a display control chamber and a mechanical temperature measuring chamber; the display control room comprises a paperless recorder and a lead screw guide rail lifting switch, and the mechanical temperature measuring room comprises a lead screw guide rail, a flame temperature measuring probe and a pipeline temperature measuring probe.
2. The apparatus for measuring the temperature of manual flame brazing of pipes according to claim 1, wherein: the flame temperature measuring probe uses a tungsten-rhenium thermocouple, and the flame temperature measuring probe can directly measure the flame temperature by fixing the tungsten-rhenium thermocouple to the temperature measuring probe.
3. The apparatus for measuring the temperature of manual flame brazing of pipes according to claim 1, wherein: the pipeline temperature measuring probe uses a nickel-chromium-nickel-silicon thermocouple, and 4 nickel-chromium-nickel-silicon thermocouples are used for respectively measuring the temperature of the front end and the rear end of a welding seam and the temperature of the front end and the rear end of a qualified brazing depth during welding.
4. The apparatus for measuring the temperature of manual flame brazing of pipes according to claim 1, wherein: the top plane of the display control chamber and the top surface of the mechanical temperature measuring chamber are in a ladder shape, so that the paperless recorder is flush with the top surface of the mechanical temperature measuring chamber.
5. The apparatus for measuring the temperature of manual flame brazing of pipes according to claim 1, wherein: the rear part of the temperature measuring equipment comprises two cover plates, namely a display control chamber cover plate and a mechanical temperature measuring chamber cover plate; the display control chamber cover plate is fixed through screws and is not suitable for being opened frequently; and the mechanical temperature measuring chamber cover plate is provided with a door pin and a door lock and is opened when the thermocouple is replaced and maintained.
6. The apparatus for measuring the temperature of manual flame brazing of pipes according to claim 1, wherein: the display control room is provided with a cooling fan for cooling and is provided with a hole on the rear cover plate for ventilation.
7. The apparatus for measuring the temperature of manual flame brazing of pipes according to claim 1, wherein: the flame temperature probe is connected with a thermocouple of the pipeline temperature probe and a connecting terminal, and the other side of the connecting terminal is connected with a thermocouple receiving end of the paperless recorder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920699061.XU CN209961353U (en) | 2019-05-15 | 2019-05-15 | Temperature measuring equipment for manual flame brazing of pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920699061.XU CN209961353U (en) | 2019-05-15 | 2019-05-15 | Temperature measuring equipment for manual flame brazing of pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209961353U true CN209961353U (en) | 2020-01-17 |
Family
ID=69246294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920699061.XU Expired - Fee Related CN209961353U (en) | 2019-05-15 | 2019-05-15 | Temperature measuring equipment for manual flame brazing of pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209961353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115279531A (en) * | 2020-03-27 | 2022-11-01 | 三菱电机株式会社 | Automatic flame brazing device for copper member and automatic flame brazing method for copper member |
-
2019
- 2019-05-15 CN CN201920699061.XU patent/CN209961353U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115279531A (en) * | 2020-03-27 | 2022-11-01 | 三菱电机株式会社 | Automatic flame brazing device for copper member and automatic flame brazing method for copper member |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200117 Termination date: 20200515 |
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| CF01 | Termination of patent right due to non-payment of annual fee |