CN103052248A - Voltage-multiplying-type high-voltage rectifying oil tank - Google Patents
Voltage-multiplying-type high-voltage rectifying oil tank Download PDFInfo
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- CN103052248A CN103052248A CN2012105689933A CN201210568993A CN103052248A CN 103052248 A CN103052248 A CN 103052248A CN 2012105689933 A CN2012105689933 A CN 2012105689933A CN 201210568993 A CN201210568993 A CN 201210568993A CN 103052248 A CN103052248 A CN 103052248A
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Abstract
The invention discloses a voltage-multiplying-type high-voltage rectifying oil tank, which comprises an oil tank body, a tank cover, a high-frequency and high-voltage transformer, a filament transformer, a voltage sampling circuit, a positive end voltage multiplying and rectifying circuit and a negative end voltage multiplying and rectifying circuit, wherein the tank cover is arranged above the oil tank body and seals the oil tank body; the high-frequency and high-voltage transformer is fixedly arranged on a support below the tank cover; the filament transformer is fixedly arranged on the support below the tank cover; the voltage sampling circuit is arranged on an epoxy board and the epoxy board is fixedly connected with the support; and the positive end voltage multiplying and rectifying circuit and the negative end voltage multiplying and rectifying circuit are fixedly installed at the bottom of the tank cover with the support, and high-voltage filter capacitors are arranged in the positive end voltage multiplying and rectifying circuit and the negative end voltage multiplying and rectifying circuit. A sealing ring is arranged at the connected position of the oil tank body and the tank body in a surrounding way, an insulating plate is installed on the inner walls of the oil tank body and the entire support is isolated from the oil tank body; and a positive high-voltage socket and a negative high-voltage socket which are respectively used for outputting voltage to two bulb tubes are arranged on the top panel of the tank cover. The oil tank is used as a part of a high-frequency and high-voltage generator and is a link for high-voltage generation, the output high-voltage ripples of the oil tank are low and the quality of X-rays emitted by the bulb tubes is improved.
Description
Technical field
The invention relates to technical field of medical instruments, particularly provide the high pressure generator of stablizing the multiplication of voltage high-voltage DC power supply for Medical Devices such as X ray.
Background technology
Present single sheet pipe high pressure generator is equipped with the primary clusterings such as intelligent computer console, high pressure generator, rotating anode X-ray tube sub-assembly and tomography bed substantially, can found commonness photograph and the high kilovoltage radiography of position, clinostatism, side position for positions such as situation of all-level hospitals knot human body head, chest, belly, four limbs and bones.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, be furnished with high-tension transformer and rectification circuit in the common pressure-oil tank casing, for the Medical Devices such as X ray provide high voltage source, because pressure-oil tank generally all is to adopt full-bridge rectification not have high-voltage capacitance filtering, make the high pressure ripple of pressure-oil tank output larger, and unstable, the X ray monochromaticjty that causes bulb to produce is bad, soft ray is many, and bulb burns out easily, causes damage.The pressure-oil tank box volume is large, Heavy Weight, and cost is high.
Voltage-multiplying type pressure-oil tank of the present invention, tank body of oil tank is all-sealed structure, is equipped with high-tension transformer and voltage multiplying rectifier filter circuit in the tank body of oil tank, because high-voltage filtering capacitor is arranged, so the high pressure behind over commutation is more level and smooth.For the Medical Devices such as X ray provide high pressure more stable, solved the unsettled problem of equipment work output high pressure.Be both that also to have solved the fuel tank volume large, the problem of Heavy Weight.
Fuel tank input high-frequency alternating current can provide high voltage source to bulb behind high frequency high voltage transformer and voltage multiplying rectifier.This fuel tank adopts the multiplication of voltage mode to improve voltage, voltage stabilization, and simple in structure, volume is little, and is safe and reliable, and operating cost is low.
Summary of the invention
The technical issues that need to address of the present invention: the high pressure ripple of (1) pressure-oil tank output is larger, and unstable; (2) pressure-oil tank, volume is large, Heavy Weight, cost is high.
The single sheet pipe of the present invention multiplication of voltage high-frequency and high-voltage fuel tank comprises tank body of oil tank, case lid, high frequency high voltage transformer, filament transformer, voltage sampling circuit and high-voltage capacitance, rectification silicon stack, high frequency transformer is installed in the tank body of oil tank, and wherein voltage sampling circuit, high-voltage capacitance and rectification silicon stack are installed on the epoxy plate.Epoxy plate, high frequency high voltage transformer and power supply input/output port are installed on the case lid, the high-frequency and high-voltage lead-in clamp is fixed on the case lid and with high frequency high voltage transformer and is connected, filament transformer, high frequency high voltage transformer is fixed on the case lid and is communicated with aviation socket on the case lid, multiplication of voltage electric capacity, rectification silicon stack and voltage sampling circuit are separately fixed on the insulation board, insulation board and expansion valve are fixedly mounted on the case lid, and expansion valve exposes the casing exterior portion and is stamped valve gap.Can regard the fixture that is formed by voltage multiplying rectifier silicon stack, voltage sampling circuit and epoxy plate as an integral body, laying respectively at the high frequency high voltage transformer opposite side also separates with the thick insulation board of 10mm, the secondary positive terminal line bag of high frequency high voltage transformer connects anode voltage multiplying rectifier silicon stack unit, high pressure through exporting behind the voltage multiplying rectifier is communicated with positive high voltage socket on the case lid, the secondary negative terminal line of high frequency high voltage transformer bag connects negative terminal voltage multiplying rectifier silicon unit, and the high pressure through exporting behind the voltage multiplying rectifier is communicated with negative high voltage socket on the case lid.Positive and negative terminal voltage multiplying rectifier silicon separates with the thick insulation board of 10mm again between the unit, and the dividing plate plate is installed in the tank body of oil tank.Seal gasket is around being installed in casing and case lid junction, and described high frequency high voltage transformer quantity is 1.
Be transformed into high voltage direct current behind high-frequency and high-voltage alternating current process high frequency high voltage transformer, the multiplication of voltage silicon stack rectifier bridge, whole process is carried out under complete hermetic insulation environment, no longer occurs spark phenomenon and rapid heat dissipation in the fuel tank; At anode high-tension terminal end output positive direct-current high pressure, at negative terminal high-tension terminal end output negative dc high voltage, can stable output and the very little high pressure of ripple, the X ray monochromaticjty that bulb produces is good, and soft ray is few, and imaging definition is high, and because high pressure is stable, bulb is not easy to burn out, and has prolonged service life of equipment, has very high fail safe, stability.
In other words, the invention provides a kind of voltage-multiplying type high-voltage rectifying fuel tank, comprising: tank body of oil tank (1); Case lid (2), the top that it is arranged on described tank body of oil tank (1) seals described tank body of oil tank (1); High frequency high voltage transformer (8), it is fixed on the support that is positioned at case lid (2) below; Filament transformer (10), it is fixed on the support that is positioned at case lid (2) below; Voltage sampling circuit (14), it is arranged on the epoxy plate, and described epoxy plate and described support are fixed; Anode voltage doubling rectifing circuit (12) and negative terminal voltage multiplying rectifier (13) all are fixedly mounted on standoff case lid (2) bottom, and are provided with high-voltage filtering capacitor in described anode voltage doubling rectifing circuit (12) and the negative terminal voltage multiplying rectifier (13); Wherein, sealing ring (11) is around the junction that is placed in tank body of oil tank (1) and case lid (2), and tank body of oil tank (1) inwall is equipped with insulation board (9), whole support and tank body of oil tank (1) isolation; Case lid (2) top panel is provided with positive high voltage socket (4) and the negative high voltage socket (3) that is respectively two bulb output voltages.
Preferably, in the described voltage-multiplying type high-voltage rectifying fuel tank, also comprise: aviation socket (5), it is arranged on the described case lid (2), and described aviation socket (5) is connected with described voltage sampling circuit (14).
Preferably, in the described voltage-multiplying type high-voltage rectifying fuel tank, be provided with binding post (6) on the described case lid (2), described binding post (6) links to each other with high frequency high voltage transformer (8).
Preferably, in the described voltage-multiplying type high-voltage rectifying fuel tank, also comprise: the upper logical 540V high-frequency alternating current that is provided with of described binding post (6).
Preferably, in the described voltage-multiplying type high-voltage rectifying fuel tank, filament transformer (10) and high frequency high voltage transformer (8) all are fixed on the case lid (2), and are communicated with aviation socket (5) on the case lid (2).
Preferably, in the described voltage-multiplying type high-voltage rectifying fuel tank, the positive-negative output end of high frequency high voltage transformer is connected to respectively multiplication of voltage electric capacity, the rectification silicon stack on the epoxy plate successively, positive negative output is communicated with positive and negative high-frequency and high-voltage socket on the case lid respectively, insulation board and expansion valve are fixedly mounted on the case lid, and expansion valve exposes the casing exterior portion and is stamped valve gap.
Effect of the present invention: the stable output of (1) pressure-oil tank anode high-tension terminal end positive direct-current high pressure, the stable output of negative terminal high-tension terminal end negative dc high voltage, the high pressure of output is highly stable, the high pressure ripple is very little, the X ray monochromaticjty that bulb produces is good, and soft ray is few, and imaging definition is high.(2) Oiltank structure is simple, and is easy to assembly; The relative full-bridge pressure-oil tank of volume has dwindled 1/3, and weight has also alleviated, and it is high to have reduced production cost.
Description of drawings
Fig. 1 is appearance assumption diagram of the present invention;
Fig. 2 is cut-away view of the present invention;
Fig. 3 is the cut-away view that has of the present invention;
Fig. 4 is circuit theory frame diagram of the present invention.
The main element symbol description
1, tank body of oil tank 2, fuel tank case lid 3, negative terminal high-tension terminal 4, anode high-tension terminal
5, aviation socket 6, binding post 7, expansion valve 8, high-tension transformer
9, insulation board 10, filament transformer 11, seal gasket 12, anode voltage multiplying rectifier
13, negative terminal voltage multiplying rectifier 14, sample circuit 15, epoxy plate
Embodiment
Characteristic on above-mentioned purpose of the present invention and structure thereof and the function will be explained according to appended graphic preferred embodiment.
Such as Fig. 1, Fig. 2, with shown in Figure 3,20kw voltage-multiplying type pressure-oil tank comprises tank body of oil tank 1, case lid 2, high frequency high voltage transformer 8, filament transformer 10, sample circuit 14, anode voltage multiplying rectifier 12, negative terminal voltage multiplying rectifier 13, be fixedly mounted on standoff case lid bottom, high frequency high voltage transformer 8 and filament transformer are installed in respectively below the case lid on the ready-made support, sample circuit and anode voltage multiplying rectifier are installed on the epoxy plate of fixing with support, sealing ring 11 is around the junction that is placed in casing and case lid, cabinet wall is equipped with insulation board 9, whole support and casing isolation.Fuel tank case lid 2 top panels are provided with positive high voltage socket 4 and the negative high voltage socket 3 that is respectively two bulb output voltages, and sampled signal picks out from aviation socket 5, and the 540V high-frequency ac voltage is from binding post 6 inputs.
As shown in Figure 4, the 540V high-frequency alternating current boosts through high frequency high voltage transformer, this transformer positive or negative high voltage shares primary coil, 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 respectively voltage multiplying rectifier, the high voltage direct current of output 40KV--150KV, then draw high pressure through high-tension terminal with high-tension cable, provide the positive or negative high voltage direct current to bulb, positive or negative high voltage behind the voltage multiplying rectifier is stablized the feedback signal of the required positive or negative high voltage of output as control for control board through sampling module (two lay respectively at by the positive or negative high voltage voltage doubling rectifier 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 as the part of high-frequency and high-voltage generator, it is the link that high pressure produces, its output HIGH voltage ripple is little, has improved the X ray quality of bulb emission, and X ray monochromaticjty is good, soft ray is few, resonance frequency is high, ripple is little, and picture quality is good, and the heater current of pressure-oil tank output is stable, it is little to fluctuate, and then has improved the definition of exposure and fluoroscopy images; Relatively present existing single tube high-frequency and high-voltage generator fuel tank, the fuel tank volume is little, and is lightweight, saved the space.
Only the above only is better feasible embodiment of the present invention, and the variation that above-mentioned method, shape, structure, the device of all the present invention of utilization done all should be contained in the claim scope of this case.
Claims (6)
1. a voltage-multiplying type high-voltage rectifying fuel tank is characterized in that, comprising:
Tank body of oil tank (1);
Case lid (2), the top that it is arranged on described tank body of oil tank (1) seals described tank body of oil tank (1);
High frequency high voltage transformer (8), it is fixed on the support that is positioned at case lid (2) below;
Filament transformer (10), it is fixed on the support that is positioned at case lid (2) below;
Voltage sampling circuit (14), it is arranged on the epoxy plate, and described epoxy plate and described support are fixed;
Anode voltage doubling rectifing circuit (12) and negative terminal voltage multiplying rectifier (13) all are fixedly mounted on standoff case lid (2) bottom, and are provided with high-voltage filtering capacitor in described anode voltage doubling rectifing circuit (12) and the negative terminal voltage multiplying rectifier (13);
Wherein, sealing ring (11) is around the junction that is placed in tank body of oil tank (1) and case lid (2), and tank body of oil tank (1) inwall is equipped with insulation board (9), whole support and tank body of oil tank (1) isolation; Case lid (2) top panel is provided with positive high voltage socket (4) and the negative high voltage socket (3) that is respectively two bulb output voltages.
2. voltage-multiplying type high-voltage rectifying fuel tank as claimed in claim 1 is characterized in that, also comprises:
Aviation socket (5), it is arranged on the described case lid (2), and described aviation socket (5) is connected with described voltage sampling circuit (14).
3. voltage-multiplying type high-voltage rectifying fuel tank as claimed in claim 1 is characterized in that, is provided with binding post (6) on the described case lid (2), and described binding post (6) links to each other with high frequency high voltage transformer (8).
4. voltage-multiplying type high-voltage rectifying fuel tank as claimed in claim 3 is characterized in that, also comprises:
The upper logical 540V high-frequency alternating current that is provided with of described binding post (6).
5. voltage-multiplying type high-voltage rectifying fuel tank as claimed in claim 4 is characterized in that,
Filament transformer (10) and high frequency high voltage transformer (8) all are fixed on the case lid (2), and are communicated with aviation socket (5) on the case lid (2).
6. voltage-multiplying type high-voltage rectifying fuel tank as claimed in claim 5, it is characterized in that, the positive-negative output end of high frequency high voltage transformer is connected to respectively multiplication of voltage electric capacity, rectification silicon stack and the voltage sampling circuit on the epoxy plate successively, positive negative output is communicated with positive and negative high-frequency and high-voltage socket on the case lid respectively, insulation board and expansion valve are fixedly mounted on the case lid, and expansion valve exposes the casing exterior portion and is stamped valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105689933A CN103052248A (en) | 2012-12-25 | 2012-12-25 | Voltage-multiplying-type high-voltage rectifying oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105689933A CN103052248A (en) | 2012-12-25 | 2012-12-25 | Voltage-multiplying-type high-voltage rectifying oil tank |
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| Publication Number | Publication Date |
|---|---|
| CN103052248A true CN103052248A (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012105689933A Pending CN103052248A (en) | 2012-12-25 | 2012-12-25 | Voltage-multiplying-type high-voltage rectifying oil tank |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107395023A (en) * | 2017-08-24 | 2017-11-24 | 埃斯凯电气（天津）有限公司 | High-frequency and high-voltage generator mounting structure |
| US9899142B2 (en) | 2014-06-23 | 2018-02-20 | Shanghai United Imaging Healthcare Co., Ltd | Method and device for insulation of high-voltage generator tank |
| CN110366303A (en) * | 2019-06-05 | 2019-10-22 | 南宁一举医疗电子设备股份有限公司 | Medical X-ray generator pressure-oil tank built-in type expansion valve sealing structure |
| US10490344B2 (en) | 2018-02-13 | 2019-11-26 | Delta Electronics (Shanghai) Co., Ltd | High voltage transformer apparatus |
| CN114145766A (en) * | 2021-12-31 | 2022-03-08 | 珠海西格医疗设备有限公司 | Voltage control circuit and dental X-ray machine bulb tube assembly |
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| JP2003217895A (en) * | 2002-01-25 | 2003-07-31 | Hitachi Medical Corp | X-ray high voltage device and x-ray image diagnostic apparatus using the same |
| CN102065624A (en) * | 2011-01-07 | 2011-05-18 | 南宁一举医疗电子有限公司 | High-frequency and high-voltage oil tank with single bed and single tube |
| CN102098861A (en) * | 2011-01-07 | 2011-06-15 | 南宁一举医疗电子有限公司 | Double-bed double-tube high-frequency high-voltage oil tank |
| 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 |
| CN203072241U (en) * | 2012-12-25 | 2013-07-17 | 南宁一举医疗电子有限公司 | Voltage-multiplying high-voltage rectification fuel tank |
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2012
- 2012-12-25 CN CN2012105689933A patent/CN103052248A/en active Pending
Patent Citations (5)
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| JP2003217895A (en) * | 2002-01-25 | 2003-07-31 | Hitachi Medical Corp | X-ray high voltage device and x-ray image diagnostic apparatus using the same |
| CN102065624A (en) * | 2011-01-07 | 2011-05-18 | 南宁一举医疗电子有限公司 | High-frequency and high-voltage oil tank with single bed and single tube |
| CN102098861A (en) * | 2011-01-07 | 2011-06-15 | 南宁一举医疗电子有限公司 | Double-bed double-tube high-frequency high-voltage oil tank |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9899142B2 (en) | 2014-06-23 | 2018-02-20 | Shanghai United Imaging Healthcare Co., Ltd | Method and device for insulation of high-voltage generator tank |
| US10340075B2 (en) | 2014-06-23 | 2019-07-02 | Shanghai United Imaging Healthcare Co., Ltd. | Method and device for insulation of high-voltage generator tank |
| US10825603B2 (en) | 2014-06-23 | 2020-11-03 | Shanghai United Imaging Healthcare Co., Ltd. | Method and device for insulation of high-voltage generator tank |
| US11923127B2 (en) | 2014-06-23 | 2024-03-05 | Shanghai United Imaging Healthcare Co., Ltd. | Method and device for insulation of high-voltage generator tank |
| CN107395023A (en) * | 2017-08-24 | 2017-11-24 | 埃斯凯电气（天津）有限公司 | High-frequency and high-voltage generator mounting structure |
| CN107395023B (en) * | 2017-08-24 | 2023-11-17 | 埃斯凯电气（天津）有限公司 | High-frequency high-voltage generator mounting structure |
| US10490344B2 (en) | 2018-02-13 | 2019-11-26 | Delta Electronics (Shanghai) Co., Ltd | High voltage transformer apparatus |
| CN110366303A (en) * | 2019-06-05 | 2019-10-22 | 南宁一举医疗电子设备股份有限公司 | Medical X-ray generator pressure-oil tank built-in type expansion valve sealing structure |
| CN114145766A (en) * | 2021-12-31 | 2022-03-08 | 珠海西格医疗设备有限公司 | Voltage control circuit and dental X-ray machine bulb tube assembly |
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Application publication date: 20130417 |