CN210007927U - induction heating tin filling device for copper wiring terminal - Google Patents
induction heating tin filling device for copper wiring terminal Download PDFInfo
- Publication number
- CN210007927U CN210007927U CN201920480993.5U CN201920480993U CN210007927U CN 210007927 U CN210007927 U CN 210007927U CN 201920480993 U CN201920480993 U CN 201920480993U CN 210007927 U CN210007927 U CN 210007927U
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- CN
- China
- Prior art keywords
- circuit
- power supply
- tin
- induction heating
- handle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 25
- 239000010949 copper Substances 0.000 title claims abstract description 25
- 230000006698 induction Effects 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 230000005284 excitation Effects 0.000 claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 16
- 238000005476 soldering Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- General Induction Heating (AREA)
Abstract
The utility model discloses an copper binding post induction heating irritates tin device, including intermediate frequency power supply, excitation coil, handle and fixed part the fixed part is the U-shaped, and two excitation coil are fixed respectively at two tip of fixed part, and are equipped with the clearance between, the handle is pistol shape, and the end of handle and the middle part fixed connection of fixed part the intermediate frequency power supply include drive controller and with drive controller electric connection's line filter, three-phase rectifier filter circuit, bridge type inverter circuit, resonant circuit the utility model belongs to electric power construction utensil field has the beneficial effect of being convenient for irritate tin to copper binding post.
Description
Technical Field
The utility model relates to an electric power construction field, concretely relates to kind of copper binding post induction heating irritates tin device.
Background
According to the technical scheme, after a tin filling process is adopted for a copper connecting terminal, the advantages of reduced contact resistance, oxidation corrosion resistance of the connector and increased mechanical strength of the connector are achieved through the copper connecting terminal, but only 3.22% of the copper connecting terminals adopt a tin filling device, the tin filling is the most effective process for reducing the resistance of the copper connecting terminal between a distribution line and distribution equipment, in the traditional field construction, steel pipe heads with the diameter of 50-100mm and the height of 150 and 200mm are manufactured into a barrel with a bottom, tin is placed in the barrel, then the barrel is heated by a heat source such as an electric furnace, a coal furnace, a flame cutting torch and the like, after the tin is melted, an exposed cable head is dipped in tin , after the barrel is cooled, the connecting terminal can be constructed, or the copper and the wire are firstly compressed, then the tin is melted by using a tin soldering terminal, the tin soldering terminal is dropped on the copper connecting terminal, the efficiency of the traditional technology is low, the phenomenon exists, the phenomenon of pressing and the operation of the tin soldering is urgently caused, the phenomenon that the operation of the welding operation of dipping tin soldering is urgently performed, the welding operation of the copper connecting terminal, the welding operation of the welding wire is obviously prolonged welding operation of the copper terminal, the welding operation of the welding wire is obviously prolonged welding operation of the soldering tin soldering terminal, the welding operation of the copper terminal, the welding operation of the copper terminal, the welding operation of the welding wire is obviously prolonged welding wire is carried out of the welding operation of the welding wire is obviously prolonged welding operation of the.
Disclosure of Invention
The technical problem to be solved by the invention is to provide copper connecting terminal induction heating tin filling devices for filling tin into copper connecting terminals by induction heating.
The technical scheme of the technical problem to be solved by the invention is as follows:
copper binding post induction heating tin filling device, its characterized in that includes intermediate frequency power supply, excitation coil, handle and fixed part, the fixed part is the U-shaped, excitation coil is equipped with two, and two excitation coil fix respectively at two tip of fixed part to the axial lead coincidence of two excitation coil, two be equipped with the clearance between the excitation coil, the handle is pistol shape, and the end of handle and the middle part fixed connection of fixed part, intermediate frequency power supply include drive controller and with drive controller electric connection's line filter, three-phase rectification filter circuit, bridge inverter circuit, resonant circuit, external power supply passes through line filter and three-phase rectification filter circuit's input electric connection, three-phase rectification filter circuit's output and bridge inverter circuit's input electric connection, resonant circuit is series resonance circuit, include with excitation coil series connection's electric capacity and resistance, resonant circuit and bridge inverter circuit's output electric connection.
Preferably, the intermediate frequency power supply further includes a dc chopper circuit, and the dc chopper circuit is connected in series between the three-phase rectification filter circuit and the bridge inverter circuit.
Preferably, the number of turns of the induction coil of the excitation coil is 40, and the wire diameter of the lead of the induction coil of the excitation coil is 2mm2。
The beneficial effects of the utility model reside in that:
the resistance of the conductor can lead the conductor to generate heat under the action of current, the larger the current is, the higher the heat productivity is, the function of the tin rinsing process is to reduce the heat productivity, after the terminal is subjected to tin scalding, layers of tin films with lower melting points can be formed, when the wire nose is pressed and mounted by using the wire head, the tin films can be melted under the action of high pressure of the hydraulic wire pressing pliers, gaps between the wire head and the wire nose are fully filled, meanwhile, the melted tin can be soaked on the inner wall of the wire nose, the contact resistance of the pressed and mounted wire head is minimum under the two actions, the heat productivity is minimum, accidents are not easy to generate, and meanwhile, the service life of electrical appliances (such as an air switch, a contactor and the like) is prolonged.
After the device is used for tin filling, the three main application effects are that is used for increasing conductivity and preventing the problems of point contact, virtual connection and the like, secondly, exposed cable heads are prevented from being oxidized and corroded, and thirdly, if the device is a multi-strand cable, the cable heads can be prevented from being scattered.
Drawings
Figure 1 is a schematic view of embodiments of the present invention,
figure 2 is a schematic diagram of an embodiment intermediate frequency power supply,
figure 3 is a schematic diagram of the circuit structure of intermediate frequency power supplies according to of the present invention,
fig. 4 is a schematic diagram of another embodiments of the present invention.
In the figure:
160. a direct current chopper circuit; 150. a drive controller; 140. a resonant circuit; 130. a bridge inverter circuit; 120. a three-phase rectification filter circuit; 110. a line filter; 400. a fixed part; 300. a handle; 200. a field coil; 100. a medium frequency power supply;
Detailed Description
In order to make the technical solution and the advantages of the present invention clearer, the following explains the embodiments of the present invention in steps.
As shown in fig. 1, copper connection terminal induction heating tin-filling device comprises a medium frequency power supply 100, an excitation coil 200, a handle 300 and a fixing part 400.
The fixing part 400 is U-shaped, two exciting coils 200 are provided, the two exciting coils 200 are respectively fixed at both end parts of the fixing part 400, and the axial lines of the two exciting coils 200 are overlapped, a gap is provided between the two exciting coils 200, the handle 300 is pistol-shaped, and the end of the handle 300 is fixedly connected with the middle part of the fixing part 400, the exciting coil 200 is a multi-turn helical wire wound by a metal wire.
Preferably, in this embodiment, the number of turns of the induction coil of the excitation coil 200 is 40, and the wire diameter of the wire of the induction coil of the excitation coil 200 is 2mm 2.
The core of the medium frequency power supply 100 is an inverter, in the process of induction heating, according to the difference of the material of the blank (nut) and the difference of the heating process, the output power of the power supply must be adjusted in order to reach the desired temperature value, meanwhile, in the process of induction heating, the parameters of the load continuously change with the rise of the temperature, causing the resonance frequency and the power factor to continuously change, therefore, the induction heating power supply must realize the frequency tracking and the control of the output power to the load circuit, so as to reach the required heating temperature within time.
As shown in fig. 3, the circuit includes a rectifying, voltage stabilizing, inverting, and series resonant circuit, wherein the capacitor Cd is a voltage stabilizing capacitor. The resonant circuit 140 is a series resonant circuit including a capacitor and a resistor connected in series with the exciting coil 200. The resonant circuit 140 is electrically connected to an output terminal of the bridge inverter circuit 130.
Preferably, as shown in fig. 4, the intermediate frequency power supply 100 further includes a dc chopper circuit 160. The dc chopper circuit 160 is connected in series between the three-phase rectifying and filtering circuit 120 and the bridge inverter circuit 130.
The dc chopper circuit 160 in the if power supply 100 generally forms a dc voltage regulation function with a three-phase uncontrolled rectifier to regulate the dc bus voltage of the inverter bridge of the induction heating power supply, thereby achieving the purpose of regulating power. When the input power of the induction heating power supply adopts a three-phase bridge type full-control thyristor rectification circuit to regulate direct-current voltage and regulate power at the inversion side, a chopper is not needed between the rectifier and the inverter.
Utilize the utility model discloses the process flow who irritates tin to copper binding post does:
step 1, preparing a tung street line terminal and a tool according to the specification of a wire.
And 2, peeling the insulated wire.
And step 3, plugging the wire core and the soldering tin into the copper pipe of the wiring terminal.
And 4, crimping the copper wire connecting terminal by using hydraulic pliers.
Step 5, use the utility model discloses heat the copper pipe of binding post, melt until soldering tin.
And 6, finishing heating, and waiting for natural condensation of the wiring terminal.
After the soldering tin is melted, if the conducting wire is also in a high-temperature state, the soldering tin melt can flow along the gap of the conducting wire, so that whether the soldering tin is completely melted can be judged according to the flowing soldering tin in the gap.
In summary, the present invention is only a preferred embodiment, and not intended to limit the scope of the present invention, and various changes and modifications can be made by workers in the light of the above description without departing from the technical spirit of the present invention. The technical scope of the present invention is not limited to the content of the specification, and all the equivalent changes and modifications of the shape, structure, characteristics and spirit according to the scope of the present invention should be included in the scope of the claims of the present invention.
Claims (3)
1, kind of copper binding post induction heating irritates tin device, its characterized in that:
comprises an intermediate frequency power supply (100), an excitation coil (200), a handle (300) and a fixing part (400),
the fixing part (400) is U-shaped, the two excitation coils (200) are arranged, the two excitation coils (200) are respectively fixed at two ends of the fixing part (400), the axial leads of the two excitation coils (200) coincide, a gap is arranged between the two excitation coils (200), the handle (300) is pistol-shaped, and the end of the handle (300) is fixedly connected with the middle part of the fixing part (400),
the intermediate frequency power supply (100) comprises a drive controller (150), a line filter (110), a three-phase rectification filter circuit (120), a bridge inverter circuit (130) and a resonant circuit (140), wherein the line filter (110), the three-phase rectification filter circuit (120), the bridge inverter circuit (130) and the resonant circuit (140) are electrically connected with the drive controller (150), an external power supply is electrically connected with the input end of the three-phase rectification filter circuit (120) through the line filter (110), the output end of the three-phase rectification filter circuit (120) is electrically connected with the input end of the bridge inverter circuit (130,
the resonance circuit (140) is a series resonance circuit and comprises a capacitor and a resistor which are connected with the excitation coil (200) in series, and the resonance circuit (140) is electrically connected with the output end of the bridge type inverter circuit (130).
2. The kinds of copper terminal induction heating tin filling device of claim 1, wherein:
the intermediate frequency power supply (100) further comprises a direct current chopper circuit (160), and the direct current chopper circuit (160) is connected between the three-phase rectification filter circuit (120) and the bridge type inverter circuit (130) in series.
3. The kinds of copper terminal induction heating tin filling device of claim 1, wherein:
the number of turns of the induction coil of the excitation coil (200) is 40, and the wire diameter of the lead of the induction coil of the excitation coil (200) is 2mm2。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480993.5U CN210007927U (en) | 2019-04-10 | 2019-04-10 | induction heating tin filling device for copper wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920480993.5U CN210007927U (en) | 2019-04-10 | 2019-04-10 | induction heating tin filling device for copper wiring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210007927U true CN210007927U (en) | 2020-01-31 |
Family
ID=69303367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920480993.5U Expired - Fee Related CN210007927U (en) | 2019-04-10 | 2019-04-10 | induction heating tin filling device for copper wiring terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210007927U (en) |
-
2019
- 2019-04-10 CN CN201920480993.5U patent/CN210007927U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200131 Termination date: 20210410 |
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| CF01 | Termination of patent right due to non-payment of annual fee |