CN202335054U - Portable-type X-ray production machine - Google Patents
Portable-type X-ray production machine Download PDFInfo
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- CN202335054U CN202335054U CN2011202966070U CN201120296607U CN202335054U CN 202335054 U CN202335054 U CN 202335054U CN 2011202966070 U CN2011202966070 U CN 2011202966070U CN 201120296607 U CN201120296607 U CN 201120296607U CN 202335054 U CN202335054 U CN 202335054U
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Abstract
The utility model discloses a portable-type X-ray production machine, which comprises a rectification filter circuit, an X-ray ball tube, an inverter for a filament, a transformer for the filament and a control panel, and the portable-type X-ray production machine is characterized by also comprising a bridge-type inversion circuit, a high-frequency transformer, a voltage-doubling rectification circuit and an advanced reduced instruction set computing machine (ARM) microprocessor. The portable-type X-ray production machine adopts the following working principle that: a power voltage (220V and 50Hz) is rectified, filtered and inverted by the bridge-type inverter into a high-frequency signal of 40kHz, then a primary voltage is changed to a 100kV stable direct-current power through a positive-negative power supply way after passing the high-frequency transformer and the voltage-doubling rectification circuit, the 100kV stable direct-current power is sent to the X-ray ball tube, and a dynamic signal of a combined machine head is precisely obtained to control the high voltage of the X-ray. Due to the adoption of the portable-type X-ray production machine, the quality of the outputted X-ray is high, the output is stable, the repeatability is good, the structure is miniaturized, convenience in carrying is realized, the device can be powered by the direct-current power, and particular significance in the field with poor power supply condition can be realized.
Description
Technical field
The utility model relates to a kind of X-ray production apparatus, particularly a kind of Portable X-ray machine.
Background technology
Roentgen roentgens in 1895 accident when the research cathode ray tube has been found X ray, is applied to medical domain very soon, to 10~twenties of 20th century; Medical routine diagnosis X-ray production apparatus has appearred; In the sixties in 20th century, latter stage, formed more complete diagnosis with X-ray production apparatus series, like stomach and intestine X-ray production apparatus, common photographic apparatus, rabat video camera, dental X-ray production apparatus, breast X-ray machine, move filming machine or the like; But these equipment all are that equipment uses in hospital or some professional medical mechanisms; Yet along with the expansion of X-ray production apparatus application technology, in a lot of first aids, abominable, complex environment, in the processes such as treatment of battlefield, rescue and relief work, sports competition field, toy; These heavy fixed equipments can not have been brought into play its due function, have produced the Portable X-ray machine thus.
Because it is one that the Portable X-ray machine is concentrated X ray generation portion and control part, has remarkable flexible configuration property.Especially a lot of owing to can not use the place of large-scale X-ray production apparatus to obtain maximum embodiment, like community medicine, rural medical treatment, VIP is diagnosis to the doorstep; Physical examination car, national disaster relief, official development assistance (ODA), international assistance; Radiological study teaching office, athletic club, pet clinic etc.The Portable X-ray machine also is an important equipment of carrying out medical treatment under the situation such as battlefield, rescue and relief work.
The existing Portable X-ray machine of China adopts the power frequency design, and complete machine mainly is divided into several parts of X ray bulb, control desk, frame and cabinet; The heavy autotransformer of one volumes is wherein arranged, and circuit structure is outmoded, machine construction is unreasonable, complete machine usefulness is low, the accuracy of exposure parameter and poor repeatability; Quantity of X-rays X is unstable, and scattered rays is strong, and volume is big; Be inconvenient to carry, the time of organizing work is long, bad mechanical property; Inconvenient operation, the throwing that is inappropriate for the thicker positions of health such as lumbar vertebrae, pelvis is according to inspection.
Therefore constantly the research X ray is controlled correlation technique; Such as the volume that how to reduce equipment, make it have better portability; Improve stability, reliability and the repeatability of high-voltage DC power supply; Improving the stability of x-ray dose and the high efficiency that the energy uses, is the trend of China's Portable X-ray machine research and development.
The utility model content
The technical problem that the utility model will solve is: existing Portable X-ray machine exists that circuit structure is outmoded, machine construction is unreasonable, complete machine usefulness is low, the accuracy and the poor repeatability of exposure parameter, and quantity of X-rays X is unstable, scattered rays is strong, volume very much not is convenient for carrying, organizes work time length, bad mechanical property, inconvenient operation, be inappropriate for the shortcomings such as throwing photograph inspection at the thicker positions of health such as lumbar vertebrae pelvis.
The utility model solves the technical scheme that its technical problem adopted:
A kind of Portable X-ray machine is provided; Comprise: current rectifying and wave filtering circuit, X ray tube, filament with inverter, filament with transformer, control panel; It is characterized in that, also comprise: bridge inverter main circuit, high frequency transformer, voltage doubling rectifing circuit, ARM microprocessor; The input of said bridge inverter main circuit is connected with the output of current rectifying and wave filtering circuit; The output of bridge inverter main circuit is connected with the input of high frequency transformer; The input of said two voltage doubling rectifying circuit is connected with the output of high frequency transformer; The output of two voltage doubling rectifying circuit is connected with the X ray tube, and said ARM microprocessor links to each other with control panel;
Described bridge inverter main circuit is to be the high-frequency signal of 40kHz with the signal inversion behind the rectifying and wave-filtering;
Described high frequency transformer is that the 40kHz high-frequency signal after the inversion is upgraded to 25kV by 260V;
Described voltage doubling rectifing circuit is a two voltage doubling rectifying circuit, can be with 40kHz, and the alternating current of 25kV changes the stable DC of 50kV into;
Described ARM microprocessor; Be to adopt 32 ARM microprocessors; And expanded modules such as FLASH (storage chip), SDRAM (dynamic random access memory), UART (universal asynchronous reception/dispensing device), JTAG debugging interface, the instruction that can computer be assigned and the operating state of high pressure generator feed back to computer, again the information conveyance after Computer Processing to actuator; Remove to control parts such as high pressure generation; Thereby kV, mA and time for exposure are adjusted accordingly, in addition, also had the function of fault by oneself.
Portable X-ray machine operation principle: a supply voltage (220V, 50Hz) becomes the high-frequency signal of 40kHz behind over commutation, filtering, bridge-type inverter; Again through after high frequency transformer, the voltage doubling rectifing circuit; Adopt the mode of positive-negative power supply that primary voltage is become the 100kV galvanic current; Give X ray tube, accurately obtain the Dynamic Signal of combination head simultaneously, be used for the control of X ray high pressure.
Adopt the utility model to possess following advantage:
1, the application of converter technique improves the output X ray quality of X-ray production apparatus;
2, can control in real time kV, mA, X ray output is stable, good reproducibility;
3, realized the structure miniaturization,, improved frequency and can reduce the sectional area unshakable in one's determination and the number of turn of coil, thereby can reduce the volume and weight of power supply, satisfied its portability according to the transformer frequency response transmission principle;
4, because inversion is the process that direct current is converted into interchange, so can adopt direct current supply, this battery capable of using solves the problem of power supply, to lacking the occasion of condition differences such as alternating current or power supply, has special meaning.
Description of drawings
Fig. 1 is a high-frequency inverter operation principle block diagram;
Fig. 2 is a high-frequency and high-voltage generating means system hardware schematic diagram;
Fig. 3 is a control system structural principle block diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further specified.
As shown in Figure 1; A kind of Portable X-ray machine; Comprise: current rectifying and wave filtering circuit, X ray tube, filament, is characterized in that with transformer, control panel with inverter, filament, also comprise: bridge inverter main circuit, high frequency transformer, voltage doubling rectifing circuit, ARM microprocessor;
Described bridge inverter main circuit, the signal inversion that is used for current rectifying and wave filtering circuit output is the high-frequency signal of 40kHz;
Described high frequency transformer is used for the 40kHz high-frequency signal after the inversion is upgraded to 25kV by 260V;
Described voltage doubling rectifing circuit is a two voltage doubling rectifying circuit, can be with 40kHz, and the alternating current of 25kV changes the stable DC of 50kV into;
Described ARM microprocessor; Be to adopt 32 ARM microprocessors; And expanded modules such as FLASH (storage chip), SDRAM (dynamic random access memory), UART (universal asynchronous reception/dispensing device), JTAG debugging interface, the instruction that can computer be assigned and the operating state of high pressure generator feed back to computer, again the information conveyance after Computer Processing to actuator; Remove to control parts such as high pressure generation; Thereby kV, mA and time for exposure are adjusted accordingly, in addition, also had the function of fault by oneself.
As shown in Figure 2; Portable X-ray machine operation principle: a supply voltage (220V, 50Hz) becomes the high-frequency signal of 40kHz behind over commutation, filtering, bridge-type inverter; Through after high frequency transformer, the voltage doubling rectifing circuit, adopt the mode of positive-negative power supply that primary voltage is become the 100kV galvanic current again, give X ray tube; Accurately obtain simultaneously the Dynamic Signal of combination head, be used for the control of X ray high pressure.
As shown in Figure 3, control system will be selected the S3C44BOX chip of Samsung company for use, and S3C44BOX is based on 32 risc processors that ARM7TDMI is a kernel.S3C44BOX also provides following critical piece: the timer of 8KB Cache, optional internal SRAM, 2 passage UART, 4 passage DMA, system administration manager (logic chip, FP/EDO/SDRAM controller), 6 passage band PWM, I/O mouth, RTC, 12 ADC of 8 passages, I2C/IIS EBI, SIO interface and clock PLL in pairs synchronously.
Claims (5)
1. Portable X-ray machine; Comprise: current rectifying and wave filtering circuit, X ray tube, filament with inverter, filament with transformer, control panel; It is characterized in that, also comprise: bridge inverter main circuit, high frequency transformer, voltage doubling rectifing circuit, ARM microprocessor, the input of said bridge inverter main circuit is connected with the output of current rectifying and wave filtering circuit; The output of bridge inverter main circuit is connected with the input of high frequency transformer; The input of said two voltage doubling rectifying circuit is connected with the output of high frequency transformer, and the output of two voltage doubling rectifying circuit is connected with the X ray tube, and said ARM microprocessor links to each other with control panel.
2. Portable X-ray machine according to claim 1 is characterized in that described bridge inverter main circuit, and the signal inversion that is used for current rectifying and wave filtering circuit output is the high-frequency signal of 40kHz.
3. Portable X-ray machine according to claim 1 is characterized in that described high frequency transformer, is used for the 40kHz high-frequency signal after the inversion is upgraded to 25kV by 260V.
4. Portable X-ray machine according to claim 1 is characterized in that described voltage doubling rectifing circuit, is two voltage doubling rectifying circuit, can be with 40kHz, and the alternating current of 25kV changes the stable DC of 50kV into.
5. Portable X-ray machine according to claim 1 is characterized in that described ARM microprocessor, is to adopt 32 ARM microprocessors, and has expanded FLASH, SDRAM, UART, JTAG debugging interface module.
Priority Applications (1)
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CN2011202966070U CN202335054U (en) | 2011-08-16 | 2011-08-16 | Portable-type X-ray production machine |
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CN2011202966070U CN202335054U (en) | 2011-08-16 | 2011-08-16 | Portable-type X-ray production machine |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103054596A (en) * | 2012-12-26 | 2013-04-24 | 南宁一举医疗电子有限公司 | Portable digitalized medical high-frequency X-ray machine system |
CN103200754A (en) * | 2013-03-25 | 2013-07-10 | 合肥海明科技开发有限责任公司 | X-ray transmitter used for detection of steel wire core conveying belt |
CN103808737A (en) * | 2014-02-19 | 2014-05-21 | 成都迈硕电气有限公司 | Portable high-frequency X-ray flaw detection machine |
CN104377801A (en) * | 2014-11-18 | 2015-02-25 | 汕头市超声仪器研究所有限公司 | X-ray machine power supply device with energy compensation function |
CN106783483A (en) * | 2016-11-30 | 2017-05-31 | 上海联影医疗科技有限公司 | High pressure generator, X-ray generator and its control method |
CN109782092A (en) * | 2019-01-30 | 2019-05-21 | 苏州博思得电气有限公司 | The test method and system of X ray image equipment mono-tank |
-
2011
- 2011-08-16 CN CN2011202966070U patent/CN202335054U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103054596A (en) * | 2012-12-26 | 2013-04-24 | 南宁一举医疗电子有限公司 | Portable digitalized medical high-frequency X-ray machine system |
CN103200754A (en) * | 2013-03-25 | 2013-07-10 | 合肥海明科技开发有限责任公司 | X-ray transmitter used for detection of steel wire core conveying belt |
CN103808737A (en) * | 2014-02-19 | 2014-05-21 | 成都迈硕电气有限公司 | Portable high-frequency X-ray flaw detection machine |
CN103808737B (en) * | 2014-02-19 | 2016-08-17 | 成都艾硕科技有限公司 | Portable high-frequency X-ray flaw |
CN104377801A (en) * | 2014-11-18 | 2015-02-25 | 汕头市超声仪器研究所有限公司 | X-ray machine power supply device with energy compensation function |
CN104377801B (en) * | 2014-11-18 | 2017-12-01 | 汕头市超声仪器研究所有限公司 | A kind of X-ray production apparatus electric supply installation with energy compensating |
CN106783483A (en) * | 2016-11-30 | 2017-05-31 | 上海联影医疗科技有限公司 | High pressure generator, X-ray generator and its control method |
CN109782092A (en) * | 2019-01-30 | 2019-05-21 | 苏州博思得电气有限公司 | The test method and system of X ray image equipment mono-tank |
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C14 | Grant of patent or utility model | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20140816 |
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EXPY | Termination of patent right or utility model |