Handheld medical gas copper pipe high-frequency welding machine and using method

Abstract

The invention relates to the technical field of medical equipment installation, in particular to a handheld medical gas copper pipe high-frequency welding machine and a using method, the handheld medical gas copper pipe high-frequency welding machine comprises a transformer host, a power supply module and a welding clamp, and mains supply voltage is converted into voltage needed by the welding machine through a transformer. The transformer is composed of an iron core and two sets of coils, a primary coil is connected with 220V mains supply, and a secondary coil is connected with the welding gun. During working, the alternating current of the mains supply generates an alternating magnetic field through the primary coil, and the alternating magnetic field further induces the alternating current in the secondary coil. The turn ratio of the secondary coil to the primary coil determines the magnitude of the output voltage, the transformer of the welding machine is a step-down transformer, that is, the number of turns of the secondary coil is far smaller than that of the primary coil, the output voltage is reduced, and the current is increased to achieve the practical welding function.

Description

Technical Field

[0001] The invention relates to the technical field of medical equipment installation, and in particular to a handheld medical gas copper tube high-frequency welding machine and a use method thereof. Background Art

[0002] In the medical field, medical gases such as oxygen, air, and negative pressure suction are crucial to the treatment and life support of patients. The installation quality of medical gas process pipelines directly affects the safety and stability of gas delivery, which in turn affects the quality of medical services and the life and health of patients. Traditional medical gas copper tube welding methods, such as flame brazing and resistance welding, have problems such as high safety risks in open flame operations, unstable welding quality due to uneven heating, large equipment size and high cost, and poor flexibility. Therefore, it is of great practical significance to develop a handheld medical gas copper tube high-frequency welding machine that is easy to operate, flexible and efficient. Summary of the invention

[0003] The present invention aims to solve the above-mentioned problem, thereby providing a handheld medical gas copper tube high-frequency welding machine and a use method thereof.

[0004] The present invention solves the above-mentioned problem by adopting the following technical solution: A handheld medical gas copper tube high frequency welder, comprising: The transformer host is composed of a transformer core, a primary coil wound on the core, and a secondary coil, an insulating layer is provided between the primary coil and the secondary coil, and copper noses of equal cross-sectional area are installed at both ends of the secondary coil; A power supply module, connected to the primary coil, for providing electrical energy; The welding fixture comprises two copper tubes, one end of each copper tube is flattened, two corners are polished into arc shape and holes are opened, the arc terminal of the copper tube is covered with an insulating handle, a carbon rod is installed on the top of the copper tube, and the two copper tubes are effectively opened and closed by a spring clip, and the hole at the end of the copper tube of the welding fixture is connected to the copper nose of the secondary coil by bolts; The welding machine housing is in the shape of a rectangular parallelepiped. A power socket, a switch, and an indicator light are installed on the left side of the welding machine housing, a secondary coil outlet hole is reserved on the right side, and heat dissipation holes are reserved on the upper ends of the front and rear sides.

[0005] Furthermore, the power supply module includes a power socket, a switch and an indicator light, the power socket is connected to the AC power supply, and the switch is connected to the power socket and the indicator light respectively; and is used to control the on and off of the power supply and the display of the indicator light.

[0006] Furthermore, the insulating handle of the welding fixture is made of high temperature resistant insulating material to ensure the safety of the operator.

[0007] Furthermore, a handle is provided on the welding machine housing, which is convenient for carrying and operation.

[0008] A method for using a handheld medical gas copper tube high frequency welder comprises the following steps: Step 1: Place the medical gas copper tube to be welded in the welding fixture, and use the spring clamp to keep the copper tube in an effective open and closed state; Step 2: Connect the power supply module and turn on the switch to make the current pass through the primary coil to generate an alternating magnetic field, inducing a high-frequency alternating current in the secondary coil; Step 3: The high-frequency alternating current heats the copper tube to be welded to the welding temperature through the secondary coil, so as to achieve fast, efficient and accurate welding of the copper tube to be welded; Step 4: After welding is completed, turn off the switch, disconnect the power supply, and remove the welded medical gas copper tube.

[0009] Furthermore, during the welding process, by adjusting the current and voltage parameters of the power supply module and controlling the closing degree of the welding fixture, precise control of the welding temperature and welding time can be achieved, thereby ensuring the welding quality.

[0010] Compared with the prior art, the present invention adopting the above technical solution has the following outstanding features: The handheld design of the present invention is small in size and light in weight, which is convenient for operators to carry to different work sites and operate freely in small spaces and complex environments, thereby improving the flexibility and adaptability of operations.

[0011] High-frequency induction heating is fast and can heat the copper tube to the welding temperature in a short time, which improves production efficiency compared with traditional welding methods.

[0012] Precise temperature control and uniform heating method avoid the problem of overheating or insufficient heating of the copper tube, reduce the occurrence of welding defects, the welding joint has high strength and good sealing, and the welding quality is stable and reliable.

[0013] No open flame is required, which reduces the emission of harmful gases and smoke. At the same time, high-frequency welding has low energy consumption, which meets the requirements of environmental protection and energy saving. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the main structure of an embodiment of the present invention; Figure 2 This is a schematic diagram of the structure of a transformer host according to an embodiment of the present invention; Figure 3 It is a structural schematic diagram of a welding fixture according to an embodiment of the present invention; Marked in the figure are: transformer main body 1, iron core 2, primary coil 3, secondary coil 4, welding fixture 5, welding machine housing 6, switch 7, indicator light 8, power jack 9, handle 10, heat dissipation hole 11, copper tube 12, insulating handle 13, copper nose 14, carbon rod 16. DETAILED DESCRIPTION

[0015] The present invention will be further described below in conjunction with embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0016] See also Figure 1-Figure 3 , a handheld medical gas copper tube high frequency welder, comprising: A transformer host 1, the transformer host 1 is composed of a transformer core 2, a primary coil 3 wound on the core 2, and a secondary coil 4, an insulating layer is provided between the primary coil 3 and the secondary coil 4, and copper noses 14 of equal cross-sectional area are installed at both ends of the secondary coil 4; the primary coil 3 is made of 0.5mm enameled copper wire and wound on the core 2, with 1000 turns, and the secondary coil 4 is made of a 20m long soft copper wire with a cross-sectional area of ​​16mm², with 4 turns; A power supply module, connected to the primary coil 3, for providing electrical energy; The welding fixture 5 includes two copper tubes 12 with a length of 30 cm and a diameter of 15 mm. One end of each copper tube 12 is flattened, and the two corners are polished into an arc shape and an 8 mm hole is opened. The arc terminal of the copper tube 12 is covered with a 10 cm long insulating handle 13, and a 20 mm long carbon rod 16 is installed on the top of the copper tube 12. The two copper tubes 12 are effectively opened and closed by a spring clamp 15. The hole at the end of the copper tube 12 of the welding fixture 5 is connected to the copper nose 14 of the secondary coil 4 by bolts; the spring clamp 15 is composed of two PVC pipe clamps and a spring. The two PVC pipe clamps are clamped on the two copper tubes 12 respectively, and the two PVC pipe clamps are connected by a spring. The welding machine housing 6 is in the shape of a rectangular parallelepiped, and the steel plate thickness is 1.0 mm. A power socket 9, a switch 7, and an indicator light 8 are installed on the left side of the welding machine housing 6, a secondary coil outlet hole is reserved on the right side, and heat dissipation holes 11 are reserved at the upper 1 / 3 of the front and rear sides.

[0017] Furthermore, the power supply module includes a power socket 9, a switch 7 and an indicator light 8, the power socket 9 is connected to the AC power supply, and the switch 7 is respectively connected to the power socket 9 and the indicator light 8 for controlling the on and off of the power supply and the display of the indicator light 8.

[0018] Furthermore, the insulating handle 13 of the welding fixture 5 is made of high temperature resistant insulating material to ensure the safety of the operator.

[0019] Furthermore, a handle 10 is provided on the welding machine housing for easy carrying and operation.

[0020] A method for using a handheld medical gas copper tube high frequency welder comprises the following steps: Step 1: Place the medical gas copper tube to be welded in the welding fixture 5, and keep the copper tube 12 in an effective open and closed state through the spring clamp 15; Step 2: Turn on the power supply module and turn on the switch 7, so that the current passes through the primary coil 3 to generate an alternating magnetic field, inducing a high-frequency alternating current in the secondary coil 4; Step 3: The high-frequency alternating current heats the copper tube to be welded to the welding temperature through the secondary coil 4, so as to achieve fast, efficient and accurate welding of the copper tube to be welded; Step 4: After welding is completed, turn off switch 7, disconnect the power supply, and remove the welded medical gas copper tube.

[0021] Furthermore, during the welding process, by adjusting the current and voltage parameters of the power supply module and controlling the closing degree of the welding fixture 5, precise control of the welding temperature and welding time can be achieved, thereby ensuring the welding quality.

[0022] Working principle: The working principle of the handheld medical gas copper tube high frequency welder is to use a transformer to convert the mains voltage into the voltage required by the welder. The transformer consists of an iron core and two sets of coils. The primary coil is connected to the 220V mains, and the secondary coil is connected to the welding gun. When working, the alternating current of the mains generates an alternating magnetic field through the primary coil, and this alternating magnetic field further induces the alternating current in the secondary coil. The turns ratio of the secondary coil to the primary coil determines the size of the output voltage. The transformer of the welding machine is a step-down transformer, that is, the number of turns of the secondary coil is much smaller than the number of turns of the primary coil, the output voltage becomes smaller, and the current increases to achieve the practical function of welding.

[0023] The handheld design of the present invention is small in size and light in weight, which is convenient for operators to carry to different work sites and operate freely in small spaces and complex environments, thereby improving the flexibility and adaptability of operations.

[0024] High-frequency induction heating is fast and can heat the copper tube to the welding temperature in a short time, which improves production efficiency compared with traditional welding methods.

[0025] Precise temperature control and uniform heating method avoid the problem of overheating or insufficient heating of the copper tube, reduce the occurrence of welding defects, the welding joint has high strength and good sealing, and the welding quality is stable and reliable.

[0026] No open flame is required, which reduces the emission of harmful gases and smoke. At the same time, high-frequency welding has low energy consumption, which meets the requirements of environmental protection and energy saving.

[0027] The above description is only a preferred feasible embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made using the contents of the present specification and its drawings are included in the scope of rights of the present invention.

Claims

1. A handheld medical gas copper tube high frequency welder, characterized in that: include: The transformer host is composed of a transformer core, a primary coil wound on the core, and a secondary coil, an insulating layer is provided between the primary coil and the secondary coil, and copper noses of equal cross-sectional area are installed at both ends of the secondary coil; A power supply module, connected to the primary coil, for providing electrical energy; The welding fixture comprises two copper tubes, one end of each copper tube is flattened, two corners are polished into arc shape and holes are opened, the arc terminal of the copper tube is covered with an insulating handle, a carbon rod is installed on the top of the copper tube, and the two copper tubes are effectively opened and closed by a spring clip, and the hole at the end of the copper tube of the welding fixture is connected to the copper nose of the secondary coil by bolts; The welding machine housing is in the shape of a rectangular parallelepiped. A power socket, a switch, and an indicator light are installed on the left side of the welding machine housing, a secondary coil outlet hole is reserved on the right side, and heat dissipation holes are reserved on the upper ends of the front and rear sides.

2. The handheld medical gas copper tube high frequency welder according to claim 1 is characterized in that: The power supply module comprises a power socket, a switch and an indicator light. The power socket is connected to a commercial power supply, and the switch is connected to the power socket and the indicator light respectively.

3. The handheld medical gas copper tube high frequency welder according to claim 1 is characterized in that: The insulating handle of the welding fixture is made of high temperature resistant insulating material.

4. The handheld medical gas copper tube high frequency welder according to claim 1, characterized in that: The welding machine housing is also provided with a handle.

5. A method for using the handheld medical gas copper tube high frequency welder according to any one of claims 1 to 4, characterized in that: The following steps are involved: Step 1: Place the medical gas copper tube to be welded in the welding fixture, and use the spring clamp to keep the copper tube in an effective open and closed state; Step 2: Connect the power supply module and turn on the switch to make the current pass through the primary coil to generate an alternating magnetic field, inducing a high-frequency alternating current in the secondary coil; Step 3: The high-frequency alternating current heats the copper tube to be welded to the welding temperature through the secondary coil, so as to achieve fast, efficient and accurate welding of the copper tube to be welded; Step 4: After welding is completed, turn off the switch, disconnect the power supply, and remove the welded medical gas copper tube.

6. The method for using the handheld medical gas copper tube high frequency welder according to claim 5, characterized in that: During the welding process, by adjusting the current and voltage parameters of the power supply module and controlling the closing degree of the welding fixture, precise control of the welding temperature and welding time can be achieved, thereby ensuring the welding quality.

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