CN102098861A - Double-bed double-tube high-frequency high-voltage oil tank - Google Patents
Double-bed double-tube high-frequency high-voltage oil tank Download PDFInfo
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- CN102098861A CN102098861A CN 201110002032 CN201110002032A CN102098861A CN 102098861 A CN102098861 A CN 102098861A CN 201110002032 CN201110002032 CN 201110002032 CN 201110002032 A CN201110002032 A CN 201110002032A CN 102098861 A CN102098861 A CN 102098861A
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Abstract
The invention relates to a double-bed double-tube high-frequency high-voltage oil tank for providing a steady high-voltage direct-current power supply for X-ray medical equipment and the like. A bracket is fixedly arranged below a tank cap of the oil tank; a high-frequency high-voltage transformer is arranged on a bottom plate of the bracket; filament transformers are arranged on the side wall of the bracket; a voltage sampling module and a rectifying silicon stack are arranged on an epoxy resin board fixed with the bracket; a high-voltage power switching valve is arranged on the tank cap; the inner wall of the tank body is provided with an insulation board; the whole bracket is isolated from the tank body; and two pair of positive and negative high-voltage sockets, an oil-filled hole seal head, a short connecting pillar, two aviation sockets and a voltage input end are arranged on the face board on the top of the tank cap. As the parts of the oil tank have a compact structure, the positive and negative high voltages are separated to the greatest extent on the space layout, so that the size of the oil tank is effectively reduced and the firing of the positive and negative high voltages is avoided at the same time and the problems that the oil tank is easy to fire, the output high-frequency high voltage is unstable, the ripple wave is large and the size is too large are solved. The double-bed double-tube high-frequency high-pressure oil tank has very high security and stability.
Description
Technical field:
The present invention relates to belong to technical field of medical instruments, the high pressure generator of stable high voltage DC power supply particularly is provided for Medical Devices such as X ray.
Background technology
Present based on dual-bed and dual-tube high pressure generator is equipped with primary clusterings such as intelligent computer console, high pressure generator, rotating anode X-ray tube sub-assembly and tomography bed substantially, can found the commonness photograph and the high kilovoltage radiography of position, clinostatism, side position to positions such as human body head, chest, belly, four limbs and bones for hospitals at different levels.High pressure generator provides power supply for whole equipment, therefore whether it stablizes the direct relation photographic effects, and high-voltage rectifying fuel tank wherein is particularly crucial, is furnished with high-tension transformer and rectification circuit in the common high-voltage rectifying fuel tank casing, for Medical Devices such as X ray provide high voltage source.Traditional transformer is divided into power frequency blow-by fuel tank and power frequency leakproof fuel cell, power frequency blow-by fuel tank casing is provided with steam vent, the problem of expanding with heat and contract with cold that causes in prevention external environment and the equipment work, thus, because transformer oil contacts with air, the dielectric strength of oil descends, and causes fuel tank often to occur spark phenomenon at work, and is relatively more dangerous, need periodic oil change, workload is big, the operating cost height, and also the high pressure ripple of the pressure-oil tank of power frequency output is bigger and unstable, the X ray monochromaticjty that causes bulb to produce is bad, soft ray is many, and bulb burns out easily, loss cost height.The power frequency leakproof fuel cell directly contacts with air because of having adopted expansion valve isolating transformer oil, solved because of contacting and caused the problem of sparking easily with air, but also can't solve the bad problem of X ray monochromaticjty, the patent No. be 200810229657.X's " dual-bulb tube high-voltage oil tank " by at fuel tank input high-frequency alternating current, through high frequency high voltage transformer and voltage multiplying rectifier after the high pressure switching device shifter switch, timesharing provides high voltage source to two bulbs, after this fuel tank adopts the high pressure switching device shifter, though adopt the multiplication of voltage arrangement can improve voltage, but, need increase the source of trouble because of using high-voltage capacitance, influence the stability that equipment uses, increased the volume of fuel tank simultaneously.
Summary of the invention
The invention provides a kind of novel based on dual-bed and dual-tube high-frequency and high-voltage fuel tank, can the high-frequency and high-voltage shakiness be struck sparks, be exported to fuel tank easily, the big problem of ripple solves the excessive problem of fuel tank volume simultaneously solving.
Based on dual-bed and dual-tube high-frequency and high-voltage fuel tank of the present invention comprises casing, case lid, high frequency high voltage transformer, filament transformer, voltage sample module and rectification silicon stack, high frequency transformer is installed in the fuel tank casing, be installed with support below the fuel tank case lid, 1 high frequency high voltage transformer is installed on the base plate of support, filament transformer is installed on the sidewall of support, voltage sample module and rectification silicon stack are installed on the epoxy resin board of fixing with support, high voltage source is switched lock and is installed on the case lid, sealing ring is around the junction that is placed in casing and case lid, cabinet wall is equipped with insulation board, and entire bracket and casing are isolated.
The shared primary coil of described high frequency high voltage transformer positive or negative high voltage, the positive or negative high voltage secondary coil is respectively around the both sides of transformer, the output of secondary coil is mounted on the rectification silicon stack of fuel tank both sides, and the output of rectification silicon stack is connected respectively to high voltage source and switches lock and voltage sample module.The primary coil input of two filament transformers is received the aviation socket, and high voltage source switching lock is received in the output of secondary coil, and high voltage source is switched the big or small focus filament that lock is connected respectively to bulb again.
Described fuel tank case lid top panel is provided with the positive or negative high voltage socket that is respectively two bulb output voltages, irritates the oilhole end socket, short circuit post, two aviation sockets and voltage input end, and expansion valve is installed in wall box, is full of transformer oil in the fuel tank casing.
The generator that adopts pressure-oil tank of the present invention is at the stable output of anode high-tension terminal end positive direct-current high pressure, at the stable output of negative terminal high-tension terminal end negative dc high voltage, can export stable and high pressure that ripple is very little, the X ray monochromaticjty that bulb produces is good, soft ray is few, imaging definition height, bulb are not easy to burn out, and have reduced the use cost of equipment; Because adopting professional high voltage source to switch lock, fuel tank make the power supply switching reliable and stable simultaneously, each parts all adopts the parts of cramped construction, on space layout, make positive or negative high voltage as far as possible separately again, when effectively dwindling the fuel tank volume, avoid again striking sparks between the positive or negative high voltage, have very high fail safe and stability.
Description of drawings
Fig. 1 is a cut-away view of the present invention;
Fig. 2 is an appearance assumption diagram of the present invention;
Fig. 3 is principle framework figure of the present invention.
Embodiment
As Fig. 1, shown in 2, based on dual-bed and dual-tube high-frequency and high-voltage fuel tank comprises fuel tank casing 12, case lid 8, high frequency high voltage transformer 15, filament transformer 17, voltage sample module 18 and rectification silicon stack 20, be installed with support 22 below the case lid, high frequency high voltage transformer 15 is installed on the base plate of support, filament transformer is installed on the sidewall of support, voltage sample module and rectification silicon stack are installed on the epoxy resin board of fixing with support 21, high voltage source is switched lock 19 and is installed on the case lid 8, sealing ring 16 is around the junction that is placed in casing and case lid, cabinet wall is equipped with insulation board 14, and entire bracket and casing are isolated.Fuel tank case lid 8 top panels are provided with the positive or negative high voltage socket that is respectively two bulb output voltages, irritate oilhole end socket 6, short circuit post 7, two aviation sockets and voltage input ends 11, and installation positioner 13 is fixed on fuel tank on the generator.
As shown in Figure 3, the 540V high-frequency alternating current boosts through high frequency high voltage transformer, the shared primary coil of this transformer positive or negative high voltage, the positive or negative high voltage secondary coil is respectively around the both sides of transformer, spatially increase the distance between the positive or negative high voltage, effectively reduce the probability of sparking, the positive or negative high voltage of secondary coil output passes through (totally two of rectification silicon stacks respectively, be installed in the both sides of fuel tank respectively) high voltage direct current of output 40KV--150KV after the rectification, switch (totally 4 at lock through high voltage source then, the size of switching positive or negative high voltage and filament respectively is burnt) but timesharing provides the positive or negative high voltage direct current to two bulbs, positive or negative high voltage after the rectification is exported the feedback signal of required positive or negative high voltage as control stabilization for control board through sampling module (two lay respectively at by the positive or negative high voltage rectification module) output positive or negative high voltage sampled signal and current sampling signal; The high-frequency alternating current of 24V provides required heater current for the burnt lamp of size after the filament transformer step-down in addition.
This fuel tank is the link that high pressure produces as the part of high-frequency and high-voltage generator, and the high pressure of its output directly uses for the X ray bulb, and the quality of its performance directly influences the performance and the useful life of X-ray production apparatus.From present test case, the high voltage ripple of pressure-oil tank output of the present invention is little, improved the X ray quality of bulb emission, X ray monochromaticjty is good, and soft ray is few, and resonance frequency height, ripple are little, picture quality is good, the heater current of pressure-oil tank output is stable, and it is little to fluctuate, and then has improved the definition of exposure and fluoroscopy images; Present relatively existing two-tube double bed high-frequency and high-voltage generator fuel tank, the fuel tank volume is little, and is in light weight, saved the space.
Claims (6)
1. based on dual-bed and dual-tube high-frequency and high-voltage fuel tank, comprise fuel tank casing (12), case lid (8), high frequency high voltage transformer (15), filament transformer (17), voltage sample module (18) and rectification silicon stack (20), high frequency transformer is installed in the fuel tank casing, it is characterized in that: be installed with support (22) below the fuel tank case lid (8), 1 high frequency high voltage transformer (15) is installed on the base plate of support (22), filament transformer (17) is installed on the sidewall of support, voltage sample module (18) and rectification silicon stack (20) are installed on the epoxy resin board of fixing with support (21), high voltage source is switched lock (19) and is installed on the case lid (8), sealing ring (16) is around the junction that is placed in casing and case lid, cabinet wall is equipped with insulation board (14), and entire bracket and casing are isolated.
2. fuel tank according to claim 1, it is characterized in that: the shared primary coil of high frequency high voltage transformer (15) positive or negative high voltage, the positive or negative high voltage secondary coil is respectively around the both sides of transformer, the output of secondary coil is mounted on the rectification silicon stack (20) of fuel tank both sides, and the output of rectification silicon stack is connected respectively to high voltage source and switches lock (19) and voltage sample module (18).
3. fuel tank according to claim 1, it is characterized in that: the primary coil input of two filament transformers (17) is received aviation socket (10), high voltage source switching lock (19) is received in the output of secondary coil, and high voltage source is switched the big or small focus filament that lock is connected respectively to bulb again.
4. fuel tank according to claim 1 is characterized in that: case lid (8) top panel is provided with positive or negative high voltage socket (2,3,4,5), filling oilhole end socket (6), short circuit post (7), two aviation sockets (9,10) and the voltage input end (11) that is respectively two bulb output voltages.
5. fuel tank according to claim 1 is characterized in that: casing (8) sidewall is equipped with expansion valve (1).
6. according to each described fuel tank of claim 1-5, it is characterized in that: be full of transformer oil in the fuel tank casing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110002032 CN102098861B (en) | 2011-01-07 | 2011-01-07 | Double-bed double-tube high-frequency high-voltage oil tank |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110002032 CN102098861B (en) | 2011-01-07 | 2011-01-07 | Double-bed double-tube high-frequency high-voltage oil tank |
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| CN102098861A true CN102098861A (en) | 2011-06-15 |
| CN102098861B CN102098861B (en) | 2012-12-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623140A (en) * | 2012-05-10 | 2012-08-01 | 无锡希恩电气有限公司 | Double-chamber integrated high-pressure pulse transformer oil tank |
| CN103052248A (en) * | 2012-12-25 | 2013-04-17 | 南宁一举医疗电子有限公司 | Voltage-multiplying-type high-voltage rectifying oil tank |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4400822A (en) * | 1979-12-20 | 1983-08-23 | Siemens Aktiengesellschaft | X-Ray diagnostic generator comprising two high voltage transformers feeding the X-ray tube |
| US20050237770A1 (en) * | 2004-04-21 | 2005-10-27 | Wissam Melhem | Stabilized Power Supply |
| CN101188900A (en) * | 2007-10-17 | 2008-05-28 | 廖云峰 | Medical diagnosis X radial high-frequency and high-voltage generator based on dual-bed and dual-tube |
| CN101754559A (en) * | 2008-12-12 | 2010-06-23 | 东软飞利浦医疗设备***有限责任公司 | Dual-bulb tube high-voltage oil tank |
| CN101753037A (en) * | 2009-09-11 | 2010-06-23 | 上海东沪医用设备有限公司 | High voltage generation device of medical high-frequency high voltage generator |
| CN201947523U (en) * | 2011-01-07 | 2011-08-24 | 南宁一举医疗电子有限公司 | High-frequency and high-voltage oil tank with double beds and double tubes |
-
2011
- 2011-01-07 CN CN 201110002032 patent/CN102098861B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4400822A (en) * | 1979-12-20 | 1983-08-23 | Siemens Aktiengesellschaft | X-Ray diagnostic generator comprising two high voltage transformers feeding the X-ray tube |
| US20050237770A1 (en) * | 2004-04-21 | 2005-10-27 | Wissam Melhem | Stabilized Power Supply |
| CN101188900A (en) * | 2007-10-17 | 2008-05-28 | 廖云峰 | Medical diagnosis X radial high-frequency and high-voltage generator based on dual-bed and dual-tube |
| CN101754559A (en) * | 2008-12-12 | 2010-06-23 | 东软飞利浦医疗设备***有限责任公司 | Dual-bulb tube high-voltage oil tank |
| CN101753037A (en) * | 2009-09-11 | 2010-06-23 | 上海东沪医用设备有限公司 | High voltage generation device of medical high-frequency high voltage generator |
| CN201947523U (en) * | 2011-01-07 | 2011-08-24 | 南宁一举医疗电子有限公司 | High-frequency and high-voltage oil tank with double beds and double tubes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623140A (en) * | 2012-05-10 | 2012-08-01 | 无锡希恩电气有限公司 | Double-chamber integrated high-pressure pulse transformer oil tank |
| CN103052248A (en) * | 2012-12-25 | 2013-04-17 | 南宁一举医疗电子有限公司 | Voltage-multiplying-type high-voltage rectifying oil tank |
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| Publication number | Publication date |
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| CN102098861B (en) | 2012-12-19 |
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Address after: 530031 the Guangxi Zhuang Autonomous Region Nanning City Economic and Technological Development Zone Road No. 16 Patentee after: Nanning medical electronic equipment Limited by Share Ltd Address before: 530031 the Guangxi Zhuang Autonomous Region Nanning City Economic and Technological Development Zone Road No. 16 Patentee before: Nanning Yiju Medical Electronic Co., ltd. |
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Effective date of registration: 20200716 Address after: No.82 Gaoling Road, Jiangnan District, Nanning City, Guangxi Zhuang Autonomous Region Patentee after: GUANGXI DAOJI MEDICAL EQUIPMENT Co.,Ltd. Address before: 530031 the Guangxi Zhuang Autonomous Region Nanning City Economic and Technological Development Zone Road No. 16 Patentee before: NANNING YIJU MEDICAL ELECTRONIC Co.,Ltd. |
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