CN214673356U - Ultrahigh frequency low-leakage-inductance high-pressure-resistant coaxial water-cooling flexible connection cable assembly - Google Patents
Ultrahigh frequency low-leakage-inductance high-pressure-resistant coaxial water-cooling flexible connection cable assembly Download PDFInfo
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- CN214673356U CN214673356U CN202120756534.2U CN202120756534U CN214673356U CN 214673356 U CN214673356 U CN 214673356U CN 202120756534 U CN202120756534 U CN 202120756534U CN 214673356 U CN214673356 U CN 214673356U
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Abstract
The utility model relates to a coaxial water-cooling flexible connection cable subassembly of hyperfrequency low leakage inductance high pressure resistance, including the cable and locate the sealing member at cable both ends, coupling assembling respectively, its characterized in that, the cable includes the outer cable that does not set up the insulating tube each other and lies in the inner cable of outer cable, and the outer side cover of outer cable is equipped with the outer insulating water pipe of high pressure resistance, and outer insulating water pipe, outer cable and inner cable are arranged coaxially; the sealing element is sleeved outside two ends of the outer layer cable; the connecting assembly comprises an inner layer cable leading-out copper pipe, an inner cable electrode and an outer cable electrode. The utility model discloses possess that the current-carrying capacity is big, the inductance is minimum, withstand voltage high advantage (can reach more than 5000 VAC) to the design has convenient connected mode, has reduced cable voltage drop and power loss, can be applicable to the occasion that the frequency is higher than more than 100 kHz.
Description
Technical Field
The utility model relates to a connecting cable who uses in hyperfrequency induction heating power occasion.
Background
At present, connecting cables used in ultrahigh frequency induction heating power supply occasions are generally connecting copper bars, copper pipes, air-cooled coaxial cables or conventional water-cooled coaxial cables. The connecting copper bar belongs to rigid connection, the size needs to be designed and processed very accurately, otherwise, the connecting copper bar is easy to connect. The copper pipe connection inductance is too large, the voltage drop of the connection part is too high, and the difficulty is increased for equipment manufacturing. When the air-cooled coaxial cable is applied to an ultrahigh frequency field, due to a high-frequency skin effect, the actual current carrying area of the cable is small, the high-frequency impedance is large, the heating power is large, the current-carrying capacity is small, a plurality of cables are required to be connected in parallel for use, the sectional area of the cable is large, and the cost is too high. Although the conventional water-cooled cable can also be used in a large-current application occasion, the withstand voltage of the cable is generally below 2500VAC, the distance between the outer core and the inner core of the cable is large, and when the cable is applied to an ultrahigh-frequency occasion, the inductance is large, so that the voltage drop of the cable is high, the withstand voltage is not enough, and the resonant voltage of an ultrahigh-frequency induction heating power supply can often reach 3000-5000 VAC.
Disclosure of Invention
The utility model provides a technical problem be: the existing connecting cable used in the occasion of the ultrahigh frequency induction heating power supply is not suitable for the occasion with the frequency higher than 100 kHz.
In order to solve the technical problem, the technical scheme of the utility model is to provide a coaxial water-cooling flexible connection cable subassembly of high pressure resistant is felt to low leakage of hyperfrequency, including the cable and locate the sealing member at cable both ends, coupling assembling respectively, its characterized in that, the cable includes not setting up the outer cable of insulating tube and the inlayer cable that is located the outer cable each other, the outer side cover of outer cable is equipped with the outer insulating water pipe of high pressure resistant, outer insulating water pipe, outer cable and inlayer cable coaxial arrangement;
the sealing element is sleeved outside two ends of the outer layer cable and positioned between the outer layer cable and the high-pressure-resistant external insulating water pipe, and the outer layer cable is fixed in the high-pressure-resistant external insulating water pipe through the sealing element and is in sealing fit with the high-pressure-resistant external insulating water pipe;
the connecting assembly comprises an inner layer cable leading-out copper pipe, an inner cable electrode and an outer cable electrode; one end of the inner cable leading-out copper pipe is electrically connected with the inner cable, and the other end of the inner cable leading-out copper pipe is electrically connected with the inner cable connecting electrode; the inner layer cable leading-out copper pipe is communicated with a water pipe connector, and the water pipe connector is simultaneously communicated with a high-pressure-resistant external insulation water pipe; the outer cable connecting electrode is electrically connected with the outer cable; the outer cable connecting electrode and the inner cable connecting electrode are both positioned outside the high-voltage-resistant outer insulating water pipe and are externally provided with insulating sealing sleeves.
Preferably, the inner cable is made of a plurality of strands of enameled copper wires; the outer layer cable is made of a plurality of strands of high-voltage tetrafluoro threads.
Preferably, the sealing element is formed by pouring and encapsulating after the insulating material is melted.
Preferably, the inner cable leading-out copper pipe is partially positioned outside the high-pressure-resistant external insulation water pipe, and a water through hole is formed in the portion, positioned outside the high-pressure-resistant external insulation water pipe, of the inner cable leading-out copper pipe and communicated with the water pipe joint.
Preferably, the outer cable connection electrode and the inner cable connection electrode are wire noses or copper bars.
The utility model discloses possess that the current-carrying capacity is big, the inductance is minimum, withstand voltage high advantage (can reach more than 5000 VAC) to the design has convenient connected mode, has reduced cable voltage drop and power loss, can be applicable to the occasion that the frequency is higher than more than 100 kHz.
Drawings
Fig. 1 is a diagram of the external structure of the cable of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
fig. 3 is a sectional view taken along line B-B of fig. 1.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model provides a pair of coaxial water-cooling flexible connection cable subassembly of high pressure is resisted to low leakage inductance of hyperfrequency, including the cable, this cable includes outer cable 3 and is located the inlayer cable 6 of outer cable 3, and wherein, inlayer cable 6 is formed by the preparation of thinner stranded enameled copper line, and outer cable 3 is formed by the preparation of stranded high-pressure tetrafluoro line. The outer layer cable 3 is directly sleeved outside the inner layer cable 6, no insulating tube such as a hose is arranged between the inner layer cable 6 and the outer layer cable 3 for isolation, and the gap is small.
The outer cable 3 outside cover is equipped with high pressure resistant outer insulating water pipe 4, and outer insulating water pipe 4, outer cable 3 and the coaxial arrangement of inlayer cable 6. And sealing elements 5 are respectively sleeved outside two ends of the outer layer cable 3. Sealing member 5 is located between outer cable 3 and high pressure resistant outer insulating water pipe 4 for the cable passes through sealing member 5 and high pressure resistant outer insulating water pipe 4 between sealed cooperation, thereby realizes the sealed of the inside water route of cable. Meanwhile, the outer layer cable 3 is also fixed in the high-pressure resistant outer insulating water pipe 4 through a sealing piece 5. In this embodiment, the sealing member 5 is formed by pouring and encapsulating after the insulating material is melted.
The two ends of the cable are respectively provided with a connecting component, and the connecting component comprises an inner layer cable leading-out copper pipe 2, an inner cable connecting electrode and an outer cable connecting electrode. One end of the inner layer cable leading-out copper pipe 2 is electrically connected with the inner layer cable 6, and the other end is electrically connected with the inner cable connecting electrode. In this embodiment, the inner layer cable lead-out copper tube 2 is welded and fixed to the inner cable electrode. The inner layer cable leading-out copper pipe 2 is partially positioned outside the high pressure resistant external insulation water pipe 4, a water through hole is formed in the part, positioned outside the high pressure resistant external insulation water pipe 4, of the inner layer cable leading-out copper pipe 2, the water through hole is communicated with the water pipe connector 7, the water pipe connector 7 is communicated with the high pressure resistant external insulation water pipe 4 simultaneously, and cooling water connected into the water pipe connector 7 is used for cooling the outer layer cable 3 and the inner layer cable 6 simultaneously.
The outer cable connecting electrode is electrically connected with the outer layer cable 3. The outer cable connecting electrode and the inner cable connecting electrode can be wire noses 1 or copper bars and are respectively used for electrifying and connecting the outer layer cable 3 and the inner layer cable 6. The outer cable connecting electrode and the inner cable connecting electrode are both positioned outside the high-pressure-resistant outer insulating water pipe 4, and insulating sealing sleeves are arranged outside the outer cable electrode and the inner cable electrode.
The utility model discloses mainly be applied to the hyperfrequency electromagnetic induction heating occasion, can be used for hyperfrequency power supply internal connection, also can be used for being connected between hyperfrequency power supply and the induction coil. The utility model discloses possess following characteristics: small inductance, high voltage resistance, uniform ultrahigh frequency current distribution, small resistance, small water resistance and simple connection.
Claims (5)
1. The ultrahigh frequency low-leakage-inductance high-pressure-resistant coaxial water-cooling flexible connecting cable assembly comprises a cable, and sealing parts and connecting assemblies which are respectively arranged at two ends of the cable, and is characterized in that the cable comprises an outer layer cable and an inner layer cable, wherein an insulating pipe is not arranged between the outer layer cable and the inner layer cable, a high-pressure-resistant outer insulating water pipe is sleeved outside the outer layer cable, and the outer insulating water pipe, the outer layer cable and the inner layer cable are coaxially arranged;
the sealing element is sleeved outside two ends of the outer layer cable and positioned between the outer layer cable and the high-pressure-resistant external insulating water pipe, and the outer layer cable is fixed in the high-pressure-resistant external insulating water pipe through the sealing element and is in sealing fit with the high-pressure-resistant external insulating water pipe;
the connecting assembly comprises an inner layer cable leading-out copper pipe, an inner cable electrode and an outer cable electrode; one end of the inner cable leading-out copper pipe is electrically connected with the inner cable, and the other end of the inner cable leading-out copper pipe is electrically connected with the inner cable connecting electrode; the inner layer cable leading-out copper pipe is communicated with a water pipe connector, and the water pipe connector is simultaneously communicated with a high-pressure-resistant external insulation water pipe; the outer cable connecting electrode is electrically connected with the outer cable; the outer cable connecting electrode and the inner cable connecting electrode are both positioned outside the high-voltage-resistant outer insulating water pipe and are externally provided with insulating sealing sleeves.
2. The ultrahigh frequency, low leakage inductance and high pressure resistant coaxial water-cooled flexible connection cable assembly of claim 1, wherein the inner layer cable is made of a plurality of strands of enameled copper wires; the outer layer cable is made of a plurality of strands of high-voltage tetrafluoro threads.
3. The ultrahigh frequency, low leakage inductance and high pressure resistant coaxial water-cooled flexible connection cable assembly of claim 1, wherein the sealing element is formed by pouring and encapsulating after the insulating material is melted.
4. The ultrahigh frequency, low leakage inductance and high pressure resistant coaxial water-cooled flexible connection cable assembly as claimed in claim 1, wherein the inner layer cable copper extraction pipe is partially positioned outside the high pressure resistant outer insulating water pipe, and a water through hole is formed in the portion of the inner layer cable copper extraction pipe positioned outside the high pressure resistant outer insulating water pipe, and is communicated with the water pipe joint.
5. The UHF, low leakage inductance, high pressure resistant coaxial water cooled flexible connection cable assembly of claim 1, wherein said outer cable connection electrode and said inner cable connection electrode are wire noses or copper bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756534.2U CN214673356U (en) | 2021-04-14 | 2021-04-14 | Ultrahigh frequency low-leakage-inductance high-pressure-resistant coaxial water-cooling flexible connection cable assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120756534.2U CN214673356U (en) | 2021-04-14 | 2021-04-14 | Ultrahigh frequency low-leakage-inductance high-pressure-resistant coaxial water-cooling flexible connection cable assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214673356U true CN214673356U (en) | 2021-11-09 |
Family
ID=78461960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120756534.2U Expired - Fee Related CN214673356U (en) | 2021-04-14 | 2021-04-14 | Ultrahigh frequency low-leakage-inductance high-pressure-resistant coaxial water-cooling flexible connection cable assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214673356U (en) |
-
2021
- 2021-04-14 CN CN202120756534.2U patent/CN214673356U/en not_active Expired - Fee Related
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Legal Events
| 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: 20211109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |