CN204046909U - Composite type high-frequency and high-voltage X ray head - Google Patents
Composite type high-frequency and high-voltage X ray head Download PDFInfo
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- CN204046909U CN204046909U CN201420468430.1U CN201420468430U CN204046909U CN 204046909 U CN204046909 U CN 204046909U CN 201420468430 U CN201420468430 U CN 201420468430U CN 204046909 U CN204046909 U CN 204046909U
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- voltage
- frequency
- filter unit
- rectifier filter
- ray
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Abstract
The utility model discloses a kind of composite type high-frequency and high-voltage X ray head, comprise fuel tank case lid (1) and tank body of oil tank (2); The built-in electrical insulation frame (12) be fixedly connected with fuel tank case lid (1) is placed in tank body of oil tank (2) inside; Built-in electrical insulation frame (12) is divided into several spaces by arranging insulating barrier, and has fixedly mounted anode voltage multiplying rectifier filter unit (7), negative terminal voltage multiplying rectifier filter unit (8), filament transformer (9), high frequency high voltage transformer (10) and X-ray tube (11) respectively; Fuel tank case lid (1) is also provided with terminal block unit (5) and feed-through capacitor (6).Described built-in electrical insulation frame (12) and insulating barrier all adopt thickness to be the PP plate of 10mm.The utility model structure is simple, reasonable in design, safe and reliable, head is easily struck sparks problem when effectively can solve head output high-power x-ray source, output high-power X ray that can be stable.
Description
Technical field
The utility model belongs to medical apparatus and instruments, has been specifically related to a kind of composite type high-frequency and high-voltage X ray head for the manufacture of X-ray production apparatus.
Background technology
Current combined X-ray head, mainly contains power frequency machine, High-frequency machine, and High-frequency machine is divided into again lower powered and high-power, and this head is widely used on X-ray production apparatus.Combination X ray head is by the frame that is assemblied in X-ray production apparatus is connected with other circuit, form a complete X-ray production apparatus, this X-ray machine X can carry out vertical position, clinostatism, the commonness photograph of position, side and high kilovoltage radiography for positions such as situation of all-level hospitals knot human body head, chest, belly, four limbs and bones.
And combined X-ray head in X-ray production apparatus is particularly crucial.Composite type power frequency X ray head due to volume large, Heavy Weight, the power of output is low, the full-wave rectification of employing, and the X ray of output is unstable, the effect of effect diagram picture.Composite type high-frequency and high-voltage X ray head volume is little, lightweight, the X ray exported is stablized, image effect is good, it is all fixed anode formula that composite type high-frequency and high-voltage X-ray production apparatus most in the market bulb in front adopts, due to the defect of fixed anode itself, and the requirement of volume, be very limited in power output, the general power that can export is all at below 8KW, although part producer also uses band rotarting anode bulb tube combination head instead, but the requirement of the restriction of structure and technique, also 10KW can only be exported in power output, if export too high, also easily discharge and burn out device in pressure-oil tank inside.
Summary of the invention
The purpose of this utility model is the some shortcomings for prior art, provides that a kind of structure is simple, reasonable in design, safe and reliable, head is easily struck sparks the composite type high-frequency and high-voltage X ray head of problem when effectively can solve head output high-power x-ray source.
To achieve these goals, the utility model have employed following technical scheme:
A kind of composite type high-frequency and high-voltage X ray head, comprises fuel tank case lid and tank body of oil tank; The built-in electrical insulation frame be fixedly connected with fuel tank case lid is placed in tank body of oil tank inside; Described built-in electrical insulation frame is divided into several spaces by arranging insulating barrier, and has fixedly mounted anode voltage multiplying rectifier filter unit, negative terminal voltage multiplying rectifier filter unit, filament transformer, high frequency high voltage transformer and X-ray tube respectively; Described anode voltage multiplying rectifier filter unit and negative terminal voltage multiplying rectifier filter unit are fixedly mounted on the both sides on built-in electrical insulation frame top respectively; Described filament transformer and high frequency high voltage transformer are fixedly mounted on the centre position on built-in electrical insulation frame top, and adopt insulating barrier to separate between filament transformer and high frequency high voltage transformer; Described X-ray tube is fixedly mounted on the bottom of built-in electrical insulation frame; Cover at fuel tank and be also provided with terminal block unit and feed-through capacitor;
The high-pressure side of described anode voltage multiplying rectifier filter unit is connected to the anode of X-ray tube, and low-pressure end is connected to terminal block unit, and the current sample end of simultaneously drawing also is connected to terminal block unit; The high-pressure side of described negative terminal voltage multiplying rectifier filter unit is connected to the negative terminal of X-ray tube, and low-pressure end is connected to terminal block unit; Described filament transformer is elementary is connected to terminal block unit, the secondary negative terminal being connected to X-ray tube; The elementary of described high frequency high voltage transformer is connected to terminal block unit, is secondaryly connected respectively to anode voltage multiplying rectifier filter unit and negative terminal voltage multiplying rectifier filter unit.
The utility model includes the core components such as high frequency high voltage transformer, filament transformer, anode voltage multiplying rectifier filter unit, negative terminal voltage multiplying rectifier filter unit, X-ray tube (band rotarting anode), these core components to be reasonably arranged on built-in electrical insulation frame and to adopt insulating barrier to be separated by all parts, compact conformation and there will not be spark phenomenon, provides the x-ray source of stable high voltage; And after anode/negative terminal voltage multiplying rectifier filter unit is due to rectification through high-voltage capacitance filter action, can stable output and the very little high pressure of ripple, the X ray monochromaticjty that in X-ray tube, bulb produces is good, and soft ray is few, and imaging definition is high.
Further illustrate as of the present utility model, above-described anode voltage multiplying rectifier filter unit and negative terminal voltage multiplying rectifier filter unit all adopt same circuit design, primarily of diode HD
1~ HD
12, resistance R
1~ R
2, R
3, R
4, piezo-resistance RV
1, adjustable resistance RP
1with electric capacity C
1~ C
2, C
3~ C
5, C
6~ C
8, C
9composition; Wherein, described resistance R
1and R
2series connection, electric capacity C
3~ C
5connect rear and resistance R
1in parallel, electric capacity C
6~ C
8connect rear and resistance R
2in parallel; Resistance R
3with adjustable resistance RP
1series connection, then with electric capacity C
9, piezo-resistance RV
1in parallel.Resistance R
1~ R
2adopt high-tension resistive.In the prior art, the resistance R of the circuit of original voltage multiplying rectifier filter unit
1~ R
40by 40 discretes, resistant series, then respectively on each resistance and on 1 electric capacity; In the present invention now, change into two high-tension resistive resistant series and then C
3~ C
5, C
6~ C
8electric capacity is just passable, such improvement can make anode (negative terminal) whole voltage multiplying rectifier filter unit device used decrease a lot, the design volume of whole circuit board just diminishes, and the layout of pressure-oil tank just can reserve more space, reduces the sparking between device; Improve the stability of whole fuel tank.
Further illustrate as of the present utility model, above-described X-ray tube adopts the rotating anode X-ray tube of band.The rotating anode rotation starting drive whole bulb rake face, makes X ray can not all get on the same point in bulb rake face, improves whole head power stage, can reach 16KW, bulb is not easy to burn out, and extends service life of equipment, has very high fail safe, stability.
Further illustrate as of the present utility model, above-described built-in electrical insulation frame and insulating barrier all adopt thickness to be the PP plate of 10mm.PP plate (i.e. polypropylene board) is a kind of semi-crystalline material.It is harder and have higher fusing point than PE; There is light weight, thickness be even, smooth surface is smooth, chemical stability that good heat resistance, mechanical strength are high, excellent and electrical insulating property, the feature such as nontoxic.PP plate is widely used in the fields such as pressure vessels for the chemical industry, machinery, electronics, electrical equipment, packaging for foodstuff, medicine, decoration and water treatment.PP plate applied temps can reach 100 degree.
Further illustrate as of the present utility model, the lateral surface of above-described tank body of oil tank is provided with expansion valve and expansion valve gap.
Further illustrate as of the present utility model, above-described terminal block unit is provided with connecting interface, by the control board of the external main control system of data wire, and carries out data message transmitted in both directions.
Further illustrate as of the present utility model, above-described fuel tank case lid and tank body of oil tank are tightly connected, and pour into transformer oil in tank body of oil tank.
The course of work of the present utility model (operation principle):
When 300V high-frequency and high-voltage input wires Slab element, high-frequency ac voltage boosts through high frequency high voltage transformer, and anode voltage multiplying rectifier filter unit and negative terminal voltage multiplying rectifier filter unit export the high-voltage dc voltage of 40KV-125KV; Direct voltage sends anode and the negative terminal of X-ray tube respectively to, simultaneously rotating anode electric motor starting, and the filament that filament transformer is X-ray tube provides heater current, produces X ray.
While the high direct voltage produced, the voltage of sampling is delivered to terminal block unit by anode voltage multiplying rectifier filter unit and negative terminal voltage multiplying rectifier filter unit, feed back on main control system control board by terminal block unit, control unit produces the pulse-width signal controlled in real time and regulates the high pressure exported, thus obtains stable high direct voltage.
In the utility model, high-frequency and high-voltage alternating current is transformed into high voltage direct current through high frequency high voltage transformer, anode/negative terminal voltage multiplying rectifier filter unit, whole process is carried out under complete hermetic insulation environment, the PP plate of 10mmm is all adopted to separate in fuel tank between important devices, transformer oil is poured into again in tank body of oil tank, just no longer there is spark phenomenon, rapid heat dissipation; Through voltage multiplying rectifier filter unit (through high-voltage capacitance filter action after due to rectification), 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.The rotating anode rotation starting drive whole bulb rake face, makes X ray can not all get on the same point in bulb rake face, improves whole head power stage, can reach 16KW, bulb is not easy to burn out, and extends service life of equipment, has very high fail safe, stability.
Compared with prior art, the beneficial effect that possesses of the utility model:
1. compact conformation, reasonable in design, safe and reliable, when efficiently solving head output high-power x-ray source, head is easily struck sparks problem.Each core component is fixedly mounted on built-in electrical insulation frame, by adopting insulating barrier they to be separated, in tank body of oil tank, pours into transformer oil simultaneously, making it no longer occur spark phenomenon, and rapid heat dissipation, be beneficial to X ray head and work continually and steadily for a long time.
2. can stablize output high-power X ray, image effect is good.The utility model has carried out circuits improvement to voltage multiplying rectifier filter unit, and high-frequency and high-voltage alternating current becomes stable and that ripple is very little high pressure after their rectifications, filtering, and the X ray monochromaticjty that such bulb produces is good, and soft ray is few, and imaging definition is high.Simultaneously, the voltage of sampling is delivered to terminal block unit by anode voltage multiplying rectifier filter unit and negative terminal voltage multiplying rectifier filter unit, feed back on main control system control board by terminal block unit, control unit produces the pulse-width signal controlled in real time and regulates the high pressure exported, thus obtains stable high direct voltage.
Accompanying drawing explanation
Fig. 1 is the surface structure schematic diagram of the utility model one embodiment.
Fig. 2 is the internal structure schematic diagram of the utility model one embodiment.
Fig. 3 is the structural representation of another side in Fig. 2 view.
Fig. 4 is the circuit theory diagrams of anode voltage multiplying rectifier filter unit in the utility model one embodiment/negative terminal voltage multiplying rectifier filter unit.
Reference numeral: 1-fuel tank case lid, 2-tank body of oil tank, 3-expansion valve gap, 4-expansion valve, 5-terminal block unit, 6-feed-through capacitor, 7-anode voltage multiplying rectifier filter unit, 8-negative terminal voltage multiplying rectifier filter unit, 9-filament transformer, 10-high frequency high voltage transformer, 11-X ray tube, 12-built-in electrical insulation frame.In the diagram, HD
n-diode, R
n-resistance, RP
n-adjustable resistance, RV
n-piezo-resistance, C
n-electric capacity, HKV--high-voltage output end, FKV--high pressure adopts output, AC1--transformer inputs, AC2---transformer inputs, and mA--sample rate current exports.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further illustrated.
Embodiment 1:
As Figure 1-3, a kind of composite type high-frequency and high-voltage X ray head, comprises fuel tank case lid 1 and tank body of oil tank 2; The built-in electrical insulation frame 12 be fixedly connected with fuel tank case lid 1 is placed in tank body of oil tank 2 inside; Described built-in electrical insulation frame 12 is divided into several spaces by arranging insulating barrier, and has fixedly mounted anode voltage multiplying rectifier filter unit 7, negative terminal voltage multiplying rectifier filter unit 8, filament transformer 9, high frequency high voltage transformer 10 and X-ray tube 11 respectively; Described anode voltage multiplying rectifier filter unit 7 and negative terminal voltage multiplying rectifier filter unit 8 are fixedly mounted on the both sides on built-in electrical insulation frame 12 top respectively; Described filament transformer 9 and high frequency high voltage transformer 10 are fixedly mounted on the centre position on built-in electrical insulation frame 12 top, and adopt insulating barrier to separate between filament transformer 9 and high frequency high voltage transformer 10; Described X-ray tube is fixedly mounted on the bottom of built-in electrical insulation frame 12; Fuel tank case lid 1 is also provided with terminal block unit 5 and feed-through capacitor 6;
The high-pressure side of described anode voltage multiplying rectifier filter unit 7 is connected to the anode of X-ray tube 11, and low-pressure end is connected to terminal block unit 5, and the current sample end of simultaneously drawing also is connected to terminal block unit 5; The high-pressure side of described negative terminal voltage multiplying rectifier filter unit 8 is connected to the negative terminal of X-ray tube 11, and low-pressure end is connected to terminal block unit 5; Described filament transformer 9 is elementary is connected to terminal block unit 5, the secondary negative terminal being connected to X-ray tube 11; The elementary of described high frequency high voltage transformer 10 is connected to terminal block unit 5, is secondaryly connected respectively to anode voltage multiplying rectifier filter unit 7 and negative terminal voltage multiplying rectifier filter unit 8.
As shown in Figure 4, above-described anode voltage multiplying rectifier filter unit 7 and negative terminal voltage multiplying rectifier filter unit 8 all adopt same circuit design, primarily of diode HD
1~ HD
12, resistance R
1~ R
2, R
3, R
4, piezo-resistance RV
1, adjustable resistance RP
1with electric capacity C
1~ C
2, C
3~ C
5, C
6~ C
8, C
9composition; Wherein, described resistance R
1and R
2series connection, electric capacity C
3~ C
5connect rear and resistance R
1in parallel, electric capacity C
6~ C
8connect rear and resistance R
2in parallel; Resistance R
3with adjustable resistance RP
1series connection, then with electric capacity C
9, piezo-resistance RV
1in parallel.
Above-described X-ray tube adopts the rotating anode X-ray tube of band.Above-described built-in electrical insulation frame 12 and insulating barrier all adopt thickness to be the PP plate of 10mm.The lateral surface of described tank body of oil tank 2 is provided with expansion valve 4 and expansion valve gap 3.Described terminal block unit 5 is provided with connecting interface, by the control board of the external main control system of data wire, and carries out data message transmitted in both directions.Described fuel tank case lid 1 is tightly connected with tank body of oil tank 2, and pours into transformer oil in tank body of oil tank 2.
The course of work of the present embodiment composite type high-frequency and high-voltage X ray head:
When 300V high-frequency and high-voltage input wires Slab element 5, high-frequency ac voltage boosts through high frequency high voltage transformer 10, export the high-voltage dc voltage of 40KV--125KV after anode voltage multiplying rectifier filter unit 7 and negative terminal voltage multiplying rectifier filter unit 8.Direct voltage sends anode and the negative terminal of X-ray tube 11 respectively to, simultaneously anode electric motor starting, and filament transformer 9 provides heater current for the filament of X-ray tube 11, produces X ray.
While producing stable high voltage, the voltage of sampling is delivered to terminal block unit by anode voltage multiplying rectifier filter unit 7 and negative terminal voltage multiplying rectifier filter unit 8, feed back on main control system control board by wiring units, control unit produces the pulse-width signal controlled in real time and regulates the high pressure exported, thus obtains stable high direct voltage.
Through on probation and test, the X ray quality that this real composite type high-frequency and high-voltage X-ray production apparatus hair is penetrated, X ray monochromaticjty is good, soft ray is few, resonance frequency is high, ripple is little, picture quality is good, and the heater current frequency that pressure-oil tank exports is 20 KHZ, and then improves the definition of exposure and fluoroscopy images; Composite type high-frequency and high-voltage X-ray production apparatus volume is little, lightweight, and assembling is simple, equipment operationally without spark phenomenon, rapid heat dissipation.
Claims (7)
1. a composite type high-frequency and high-voltage X ray head, comprises fuel tank case lid (1) and tank body of oil tank (2); It is characterized in that: place in tank body of oil tank (2) inside the built-in electrical insulation frame (12) be fixedly connected with fuel tank case lid (1); Described built-in electrical insulation frame (12) is divided into several spaces by arranging insulating barrier, and has fixedly mounted anode voltage multiplying rectifier filter unit (7), negative terminal voltage multiplying rectifier filter unit (8), filament transformer (9), high frequency high voltage transformer (10) and X-ray tube (11) respectively; Described anode voltage multiplying rectifier filter unit (7) and negative terminal voltage multiplying rectifier filter unit (8) are fixedly mounted on the both sides on built-in electrical insulation frame (12) top respectively; Described filament transformer (9) and high frequency high voltage transformer (10) are fixedly mounted on the centre position on built-in electrical insulation frame (12) top, and adopt insulating barrier to separate between filament transformer (9) and high frequency high voltage transformer (10); Described X-ray tube is fixedly mounted on the bottom of built-in electrical insulation frame (12); Fuel tank case lid (1) is also provided with terminal block unit (5) and feed-through capacitor (6);
The high-pressure side of described anode voltage multiplying rectifier filter unit (7) is connected to the anode of X-ray tube (11), and low-pressure end is connected to terminal block unit (5), and the current sample end of simultaneously drawing also is connected to terminal block unit (5); The high-pressure side of described negative terminal voltage multiplying rectifier filter unit (8) is connected to the negative terminal of X-ray tube (11), and low-pressure end is connected to terminal block unit (5); Described filament transformer (9) is elementary is connected to terminal block unit (5), the secondary negative terminal being connected to X-ray tube (11); The elementary of described high frequency high voltage transformer (10) is connected to terminal block unit (5), is secondaryly connected respectively to anode voltage multiplying rectifier filter unit (7) and negative terminal voltage multiplying rectifier filter unit (8).
2. composite type high-frequency and high-voltage X ray head according to claim 1, is characterized in that: described anode voltage multiplying rectifier filter unit (7) and negative terminal voltage multiplying rectifier filter unit (8) all adopt same circuit design, primarily of diode HD
1~ HD
12, resistance R
1~ R
2, R
3, R
4, piezo-resistance RV
1, adjustable resistance RP
1with electric capacity C
1~ C
2, C
3~ C
5, C
6~ C
8, C
9composition; Wherein, described resistance R
1and R
2series connection, electric capacity C
3~ C
5connect rear and resistance R
1in parallel, electric capacity C
6~ C
8connect rear and resistance R
2in parallel; Resistance R
3with adjustable resistance RP
1series connection, then with electric capacity C
9, piezo-resistance RV
1in parallel.
3. composite type high-frequency and high-voltage X ray head according to claim 1 and 2, is characterized in that: described X-ray tube adopts the rotating anode X-ray tube of band.
4. composite type high-frequency and high-voltage X ray head according to claim 1 and 2, is characterized in that: described built-in electrical insulation frame (12) and insulating barrier all adopt thickness to be the PP plate of 10mm.
5. composite type high-frequency and high-voltage X ray head according to claim 1, is characterized in that: the lateral surface of described tank body of oil tank (2) is provided with expansion valve (4) and expansion valve gap (3).
6. composite type high-frequency and high-voltage X ray head according to claim 1, is characterized in that: described terminal block unit (5) is provided with connecting interface, by the control board of the external main control system of data wire, and carries out data message transmitted in both directions.
7. composite type high-frequency and high-voltage X ray head according to claim 1, is characterized in that: described fuel tank case lid (1) and tank body of oil tank (2) are tightly connected, and pour into transformer oil in tank body of oil tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420468430.1U CN204046909U (en) | 2014-08-19 | 2014-08-19 | Composite type high-frequency and high-voltage X ray head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420468430.1U CN204046909U (en) | 2014-08-19 | 2014-08-19 | Composite type high-frequency and high-voltage X ray head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204046909U true CN204046909U (en) | 2014-12-24 |
Family
ID=52247526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420468430.1U Expired - Fee Related CN204046909U (en) | 2014-08-19 | 2014-08-19 | Composite type high-frequency and high-voltage X ray head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204046909U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104185352A (en) * | 2014-08-19 | 2014-12-03 | 南宁一举医疗电子有限公司 | Combined high-frequency high-pressure X-ray machine head |
| CN114256041A (en) * | 2021-12-17 | 2022-03-29 | 苏州博思得电气有限公司 | X-ray tube protection structure and high-voltage oil tank with same |
-
2014
- 2014-08-19 CN CN201420468430.1U patent/CN204046909U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104185352A (en) * | 2014-08-19 | 2014-12-03 | 南宁一举医疗电子有限公司 | Combined high-frequency high-pressure X-ray machine head |
| CN114256041A (en) * | 2021-12-17 | 2022-03-29 | 苏州博思得电气有限公司 | X-ray tube protection structure and high-voltage oil tank with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150819 |
|
| EXPY | Termination of patent right or utility model |