CN108987222B - Circuit structure for heating LC resonance X-ray tube lamp wire - Google Patents
Circuit structure for heating LC resonance X-ray tube lamp wire Download PDFInfo
- Publication number
- CN108987222B CN108987222B CN201811031701.6A CN201811031701A CN108987222B CN 108987222 B CN108987222 B CN 108987222B CN 201811031701 A CN201811031701 A CN 201811031701A CN 108987222 B CN108987222 B CN 108987222B
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- conductor
- dish
- conductor support
- voltage
- ferrite core
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 17
- 239000004020 conductor Substances 0.000 claims abstract description 59
- 239000003990 capacitor Substances 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 22
- 229910000859 α-Fe Inorganic materials 0.000 claims description 22
- 238000006073 displacement reaction Methods 0.000 claims description 16
- 239000011229 interlayer Substances 0.000 claims description 6
- 230000005389 magnetism Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/025—X-ray tubes with structurally associated circuit elements
Landscapes
- General Induction Heating (AREA)
- X-Ray Techniques (AREA)
Abstract
The invention discloses a circuit structure for heating an LC resonance X-ray tube lamp filament, which comprises a high-frequency pulse transformer, a conductor support disc, a resonance capacitor, a support fixing seat, a high-frequency choke coil, a binding post, a conductor disc cover and a conductive rubber sheet, wherein one side of the conductor support disc is provided with the high-frequency pulse transformer which is fixedly connected with the conductor support disc.
Description
Technical Field
The invention relates to the technical field of heating of an X-ray tube lamp wire, in particular to a circuit structure for heating an LC resonance X-ray tube lamp wire.
Background
Because the X-ray tube is required to dissipate heat, the anode is generally grounded, so that the cathode and the filament are positioned at the lowest end (negative high voltage) of the voltage, the filament is heated to encounter the problem of high voltage insulation, a pulse transformer is generally adopted for high voltage of the X-ray generator, the coil obtains the voltage through electromagnetic induction, and the voltage of the outermost ring of the coil is the lowest, so long as the filament coil is wound at the outermost end.
When the high voltage generator adopts a capacitance voltage doubling circuit, the problem of filament heating occurs, if a filament transformer is adopted independently, the insulation between the primary and secondary stages is required to meet the requirement of high voltage, the design volume and the installation position are limited, and therefore, the circuit structure for heating the LC resonance X-ray tube lamp filament is provided.
Disclosure of Invention
The invention aims to provide a circuit structure for heating an LC resonance X-ray tube lamp wire, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a circuit structure of LC resonance X-ray tube lamp silk heating, including high frequency pulse transformer, conductor support dish, resonance electric capacity, support fixing base, high frequency choke coil, terminal, conductor dish lid and conducting rubber piece, conductor support dish one side is equipped with high frequency pulse transformer, high frequency pulse transformer and conductor support dish fixed connection, high frequency pulse transformer comprises primary high voltage winding, primary high voltage enameled wire, interlayer insulating film, winding displacement frame, E type ferrite core, filament coil and magnetic gap spacer paper, E type ferrite core and conductor dish lid fixed connection, E type ferrite core is fixed with the winding displacement frame inside, the winding displacement frame top is equipped with primary high voltage winding, primary high voltage winding and winding displacement frame swing joint, primary high voltage winding is equipped with the multireel, be equipped with the interlayer insulating film between the primary high voltage enameled wire, E type enameled wire bottom is equipped with the coil, coil and winding displacement frame swing joint, E type ferrite core is equipped with the ferrite core, the resonance paper support is equipped with the coil, the resonance paper is equipped with the coil, the conductor coil is equipped with the fixed connection to one side of the conductor coil, the conductor coil is fixed connection to one side of the resonance paper, the conductor dish is equipped with the conductor coil is fixed to one side, the conductor is fixed connection to the conductor dish side, the high frequency core is equipped with the resonance paper is equipped with the coil, the fixed connection to the conductor is equipped with the coil holder side, the conductor disc cover is fixedly connected with the conductor support disc, and one side of the inner wall of the conductor disc cover is fixedly provided with a conductive rubber sheet.
Preferably, two high-frequency pulse transformers are arranged and symmetrically distributed on one side of the conductor support plate.
Preferably, two resonant capacitors are arranged and symmetrically distributed on one side of the conductor support plate.
Preferably, a plurality of the terminals are provided, and the terminals are electrically connected with the respective electronic components.
Preferably, the three support fixing seats are arranged on one side of the conductor support plate at equal intervals in a triangular shape.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention utilizes the variable voltage of the high-frequency pulse transformer and the resonance capacitor, realizes the impedance matching of LC and the filament R through the LC resonance circuit (filament module), and the filament voltage can be adjusted by changing the frequency of power supply, thereby prolonging the service life of the filament.
2. The invention has high heating efficiency, the LC resonance is efficiently coupled with the low impedance of the filament, the waveform of the input high voltage is irrelevant, when the LC resonance occurs, the waveform on the filament is sine wave, and the heating is rapid and safe.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present invention;
FIG. 2 is a schematic side view of the present invention in semi-section;
FIG. 3 is a schematic diagram of a high frequency pulse transformer according to the present invention;
fig. 4 is a schematic circuit structure of the present invention.
In the figure: 1-a high frequency pulse transformer; 2-conductor support plate; 3-resonance capacitance; 4-a bracket fixing seat; a 5-high frequency choke; 6-binding posts; 7-conductor disc cover; 8-conductive rubber sheets; 9-primary high-voltage line bank; 10-primary high-voltage enameled wire; 11-an interlayer insulating film; 12-arranging a wire frame; a 13-E ferrite core; 14-filament coil; 15-magnetic gap release paper.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a circuit structure of LC resonance X-ray tube lamp silk heating, including high frequency pulse transformer 1, conductor support dish 2, resonance capacitor 3, support fixing base 4, high frequency choke 5, terminal 6, conductor dish lid 7 and conducting rubber piece 8, conductor support dish 2 one side is equipped with high frequency pulse transformer 1, high frequency pulse transformer 1 and conductor support dish 2 fixed connection, high frequency pulse transformer 1 comprises primary high voltage wire row 9, primary high voltage enameled wire 10, interlayer insulating film 11, winding displacement frame 12, E type ferrite core 13, filament coil 14 and magnetic gap isolation paper 15, E type ferrite core 13 and conductor dish lid 7 fixed connection, E type ferrite core 13 is fixed with winding displacement frame 12 inside, winding displacement frame 12 top is equipped with primary high voltage wire row 9, primary high voltage wire row 9 and winding displacement frame 12 swing joint, primary high voltage enameled wire 10 is equipped with multireel, primary high voltage wire 10 is equipped with ferrite core, be equipped with ferrite core 13 and magnetic gap isolation paper 15 between the ferrite core 13 and the winding displacement frame 3, the resonance coil 13 is equipped with two side fixed connection, the ferrite core 13 is equipped with the resonance capacitor 3 is equipped with to the winding displacement frame 13, the fixed connection of resonance capacitor 13 is equipped with to one side, the type ferrite core 13 is equipped with the magnetic gap isolation paper 13, the winding 13 is equipped with the winding displacement frame is equipped with the top of primary high voltage wire 10, the high voltage wire 10 is equipped with the primary high voltage wire 10 and is connected with the primary high voltage wire 12, and is connected with the winding wire 12, the support fixing seat 4 is fixedly connected with the conductor support plate 2, a binding post 6 is fixed on the inner wall of the conductor support plate 2, a high-frequency choke coil 5 is fixed on one side of the inner portion of the conductor support plate 2, a conductor plate cover 7 is arranged on one side of the conductor support plate 2, the conductor plate cover 7 is fixedly connected with the conductor support plate 2, and a conductive rubber sheet 8 is fixed on one side of the inner wall of the conductor plate cover 7.
The number of the high-frequency pulse transformers 1 is two, and the high-frequency pulse transformers 1 are symmetrically distributed on one side of the conductor support plate 2.
The number of the resonant capacitors 3 is two, and the resonant capacitors 3 are symmetrically distributed on one side of the conductor support plate 2.
The binding posts 6 are provided with a plurality of binding posts 6, and the binding posts 6 are electrically connected with the electronic components.
The three support fixing seats 4 are arranged, and the support fixing seats 4 are distributed on one side of the conductor support plate 2 at equal intervals in a triangular shape.
The working principle of the invention is as follows: the input requires dual power, virtual ground. The output requires low impedance, pure resistance (filament), double power supply frequency is adjustable, virtual ground is ignored, the power supply is connected in series, two pulse transformers are connected in series, the turn ratio of input/output is smaller, the inductance of the output end (secondary) is smaller, the direct current midpoint is connected with the primary midpoint (G point), and the cathode of the tube is connected (the filament of the tube is common cathode). The two secondary sides of the pulse transformer are connected with filaments in series, then a choke coil is connected in series, and the two secondary sides and the choke coil are connected in series, so that the circuit transformer is wound: the secondary, relative G point is equipotential, in the innermost layer, in order to reduce high frequency loss, the copper line adopts stranded doubling, takes full line as, and is elementary, puts G point end at innermost, and the input is outermost, and single stranded enameled wire, the number of turns is many, and outer voltage will rise step by step, and the curve between the enameled wire is close circular-arc, and E type magnetism needs the clearance, and upper and lower magnetism is fastened with the sticky tape, and keeps static to switch on (conductive rubber) with G point, choke L's coiling: similar to a transformer, the transformer uses a plurality of strands of parallel wires, is wound flatly, has a gap between layers under the voltage kilovolts, and can finely adjust the electricity-saving sense.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a circuit structure of LC resonance X-ray tube lamp silk heating, includes high frequency pulse transformer (1), conductor support dish (2), resonance capacitor (3), support fixing base (4), high frequency choke (5), terminal (6), conductor dish lid (7) and conducting rubber piece (8), its characterized in that: the utility model discloses a high-frequency pulse transformer, including conductor support dish (2) and conductor support dish (2), high-frequency pulse transformer (1) and conductor support dish (2) fixed connection, high-frequency pulse transformer (1) include primary high-voltage enameled wire (10), interlayer insulating film (11), E type ferrite core (13), filament coil (14) and magnetism clearance spacer paper (15), E type ferrite core (13) and conductor dish lid (7) fixed connection, E type ferrite core (13) inside is fixed with winding displacement frame (12), winding displacement frame (12) top is equipped with primary high-voltage wire row (9), primary high-voltage wire row (9) and winding displacement frame (12) swing joint, primary high-voltage enameled wire row (9) bottom is equipped with primary high-voltage enameled wire (10), primary high-voltage enameled wire (10) and winding displacement frame (12) swing joint, primary high-voltage enameled wire (10) are equipped with the multireel, are equipped with interlayer insulating film (11) between these primary high-voltage enameled wire (10), E type ferrite core (13) bottom is equipped with filament coil (14), ferrite core (13) are equipped with filament coil (13) and magnetism clearance spacer paper (12) symmetry, ferrite core (13) are equipped with two between the type ferrite core (13), magnetic gap spacer paper (15) and E type ferrite core (13) fixed connection, high frequency pulse transformer (1) one side is equipped with resonance electric capacity (3), resonance electric capacity (3) and conductor support dish (2) fixed connection, resonance electric capacity (3) one side is equipped with support fixing base (4), support fixing base (4) and conductor support dish (2) fixed connection, conductor support dish (2) inner wall is fixed with terminal (6), inside one side of conductor support dish (2) is fixed with high frequency choke (5), conductor support dish (2) one side is equipped with conductor dish lid (7), conductor dish lid (7) and conductor support dish (2) fixed connection, conductor dish lid (7) inner wall one side is fixed with conductive rubber piece (8).
2. The circuit structure for heating the LC resonant X-ray tube lamp filament according to claim 1, wherein: the two high-frequency pulse transformers (1) are arranged, and the two high-frequency pulse transformers (1) are symmetrically distributed on one side of the conductor support plate (2).
3. The circuit structure for heating the LC resonant X-ray tube lamp filament according to claim 2, wherein: the two resonant capacitors (3) are arranged, and the two resonant capacitors (3) are symmetrically distributed on one side of the conductor support plate (2).
4. The circuit structure for heating the LC resonant X-ray tube lamp filament according to claim 1, wherein: the binding posts (6) are provided in plurality, and the binding posts (6) are electrically connected with the electronic components.
5. The circuit structure for heating the LC resonant X-ray tube lamp filament according to claim 1, wherein: the three support fixing seats (4) are arranged on one side of the conductor support plate (2) at equal intervals in a triangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031701.6A CN108987222B (en) | 2018-09-05 | 2018-09-05 | Circuit structure for heating LC resonance X-ray tube lamp wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031701.6A CN108987222B (en) | 2018-09-05 | 2018-09-05 | Circuit structure for heating LC resonance X-ray tube lamp wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108987222A CN108987222A (en) | 2018-12-11 |
| CN108987222B true CN108987222B (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811031701.6A Active CN108987222B (en) | 2018-09-05 | 2018-09-05 | Circuit structure for heating LC resonance X-ray tube lamp wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108987222B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB657135A (en) * | 1948-11-08 | 1951-09-12 | Camillo Masciarelli | Improvements in systems for operating electric discharge tubes |
| US3119931A (en) * | 1960-06-28 | 1964-01-28 | Philips Corp | Circuit means for coupling an x-ray device to a control supply apparatus |
| GB1046350A (en) * | 1964-10-22 | 1966-10-26 | Gen Electric Co Ltd | Improvements in or relating to protection arrangements in transformer-operated circuits, especially for x-ray tube operation |
| JPH0773993A (en) * | 1993-09-02 | 1995-03-17 | Hitachi Medical Corp | X-ray tube filament heating circuit |
| JPH07220893A (en) * | 1994-02-01 | 1995-08-18 | Hitachi Medical Corp | X-ray tube filament heating circuit |
| CN2676561Y (en) * | 2003-12-08 | 2005-02-02 | 广东东松三雄电器有限公司 | Electronic ballast |
| CN101667785A (en) * | 2009-09-15 | 2010-03-10 | 丹东市无损检测设备有限公司 | High frequency and high voltage power supply device for industrial X-ray diagnostic machine |
| CN104868533A (en) * | 2015-05-09 | 2015-08-26 | 江西紫东科技有限公司 | Lithium battery power supply method of high-frequency X-ray machine and circuit |
| CN205404453U (en) * | 2016-03-22 | 2016-07-27 | 杭州惠威无损探伤设备有限公司 | Pluralism heat dissipation X X -ray radiographic inspection machine |
-
2018
- 2018-09-05 CN CN201811031701.6A patent/CN108987222B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB657135A (en) * | 1948-11-08 | 1951-09-12 | Camillo Masciarelli | Improvements in systems for operating electric discharge tubes |
| US3119931A (en) * | 1960-06-28 | 1964-01-28 | Philips Corp | Circuit means for coupling an x-ray device to a control supply apparatus |
| GB1046350A (en) * | 1964-10-22 | 1966-10-26 | Gen Electric Co Ltd | Improvements in or relating to protection arrangements in transformer-operated circuits, especially for x-ray tube operation |
| JPH0773993A (en) * | 1993-09-02 | 1995-03-17 | Hitachi Medical Corp | X-ray tube filament heating circuit |
| JPH07220893A (en) * | 1994-02-01 | 1995-08-18 | Hitachi Medical Corp | X-ray tube filament heating circuit |
| CN2676561Y (en) * | 2003-12-08 | 2005-02-02 | 广东东松三雄电器有限公司 | Electronic ballast |
| CN101667785A (en) * | 2009-09-15 | 2010-03-10 | 丹东市无损检测设备有限公司 | High frequency and high voltage power supply device for industrial X-ray diagnostic machine |
| CN104868533A (en) * | 2015-05-09 | 2015-08-26 | 江西紫东科技有限公司 | Lithium battery power supply method of high-frequency X-ray machine and circuit |
| CN205404453U (en) * | 2016-03-22 | 2016-07-27 | 杭州惠威无损探伤设备有限公司 | Pluralism heat dissipation X X -ray radiographic inspection machine |
Non-Patent Citations (2)
| Title |
|---|
| HSF型CTX线管灯丝加热电源电路分析;杨佩珩;程库;医疗卫生装备(第004期);全文 * |
| 方泽莉 ; 钱伟康.一种实现X射线机灯丝加热的电路设计.面向航空试验测试技术-2013年航空试验测试技术峰会暨学术交流会.2013,全文. * |
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| Publication number | Publication date |
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| CN108987222A (en) | 2018-12-11 |
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