CN101231894A - Cooling method and apparatus of medical imaging system - Google Patents
Cooling method and apparatus of medical imaging system Download PDFInfo
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- CN101231894A CN101231894A CNA2007100630063A CN200710063006A CN101231894A CN 101231894 A CN101231894 A CN 101231894A CN A2007100630063 A CNA2007100630063 A CN A2007100630063A CN 200710063006 A CN200710063006 A CN 200710063006A CN 101231894 A CN101231894 A CN 101231894A
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Abstract
The invention provides a cooling method for a medical imaging system. The method is that a temperature probe is used for detecting the temperature of a heat-producing part; the temperature probe transmits the detected temperature to a fan unit; the fan unit adjusts the rotation speed of the fan unit according to the received temperature. By adopting the invention, medical imaging system components can be monitored automatically; the fan speed (air input) is adjusted automatically according to different temperatures of the heat-producing parts in the system, thus reducing the noise of the fan on standby and reducing the influence on doctors and patients so that doctors and patients are in relatively quiet environment.
Description
Technical field
The present invention relates to a kind of cooling means and device, particularly relate to a kind of cooling means and device of medical image system.
Background technology
The diagnostic system of the complexity that medical image system normally is made up of the electric physical equipment of a series of precisions, wherein comprise heat generating component (or claiming heat generating components), for example the X-ray pipe in the X-ray pipe in X line angiogram (Angiography) system, X line perspective diagnosis (Fluoroscopy) system, X-ray pipe and computed tomography imaging (the Computed Tomography in X line photography diagnosis (Radiography) system; CT) bulb in etc.Usually, for the temperature of these heat generating components the restriction of comparison strictness is arranged, for example the temperature of cold oil must not surpass 80 degree in the bulb among the CT, and the appearance temperature of detecting device must not surpass 40 degree etc.
Above-mentioned heat generating component is in operation and can produces tens kilowatts heat.If heat can not in time distribute, can have a strong impact on the performance of electrical equipment, cause visual pseudo-shadow or shutdown, influence patient's diagnosis, even incur loss through delay patient's rescue.On the other hand, in order to pursue high-precision image quality and image taking speed faster, high capacity bulb and high rotating speed have become the development trend of medical image system, yet the design of medical image system machine shape is more and more miniaturization but, curved surfaceization.Temperature inside was more and more higher when above-mentioned situation had caused the existing systems assembly operating, and therefore the cooling for these assemblies is the indispensable link of medical image system.
In the medical image system heat generating component is cooled off by fan usually, promptly the fan with one or one group invariablenes turning speed cools off heat generating component.In this case, rotation speed of the fan is constant all the time, the noise that causes by fan rotation also for constant, can not reduce.In fact, the heat that heat generating component produces during with system standby (do not expose, do not have an X-rayed) when system works (for example expose, have an X-rayed) is mutually far short of what is expected, the temperature of heat generating component reduces when system standby, if still adopt the fan of constant rotational speed this moment, then can bring unnecessary noise, bring bad influence for patient and doctor.
Summary of the invention
Therefore, fundamental purpose of the present invention is to provide a kind of cooling means and device of medical image system, the fan speed in the time of can reducing the standby of medical image system assembly, thus reduce fan noise, patient and doctor are in the relative more quiet environment.
For achieving the above object, the present invention proposes a kind of cooling means of medical image system, and this method may further comprise the steps:
(a) survey the temperature of a heat generating components with a temperature sensor;
(b) described temperature sensor is sent to a fan unit with the temperature of being surveyed; And
(c) described fan unit is adjusted its rotating speed according to the temperature that is received.
According to an aspect of the present invention, described temperature sensor is a resistance value with the temperature transition of being surveyed, and described fan unit is adjusted its rotating speed according to described resistance value.Described fan unit is adjusted its rotating speed according to the temperature that is received in a temperature range internal linear.
Correspondingly, the present invention proposes a kind of cooling device of medical image system, comprises a heat generating components and at least one fan unit, wherein, one temperature sensor is set in described medical image system, and described temperature sensor places described heat generating components surface and is connected with described fan unit.
According to an aspect of the present invention, on described heat generating components surface one compressing tablet is set, offers a hole on described compressing tablet, described temperature sensor places described hole.Also offer an other hole on the described compressing tablet, a bolt is fixed on described compressing tablet on the described heat generating components by this hole.Cover resilient material at least a portion of described compressing tablet bottom, offer a hole on the described resilient material, the position in the hole of the laying temperature sensor on this hole and the described compressing tablet is corresponding.The sectional area in the hole on the described resilient material is less than or equal to the sectional area in the hole on the described compressing tablet.Described resilient material is generally silicon rubber.In addition, a side of described compressing tablet is punctured into a swallow-tail form.
Adopt cooling means of the present invention and cooling device at first can realize the medical imaging system assembly is monitored automatically, adjust rotation speed of the fan (intake) automatically according to the temperature of heat generating components in the system.Because the temperature of system's heat generating components when standby reduces, so the also corresponding reduction of the rotating speed of fan, thereby the noise of fan when reducing standby reduces the influence to doctor and patient, and doctor and patient are in the relative quietly environment.Secondly, the rotating speed of fan reduces during owing to standby, so can saves energy consume, prolongs the serviceable life of cooling fan.And the present invention can realize goal of the invention increasing under the prerequisite of cost seldom.
Description of drawings
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail, wherein:
Fig. 1 is the process flow diagram of the cooling means of medical image system of the present invention.
Fig. 2 is the synoptic diagram of the cooling device of medical image system of the present invention.
Fig. 3 is the stereographic map of compressing tablet in the cooling device of medical image system of the present invention.
Fig. 4 is the rotating speed of the fan in the cooling device of medical image system of the present invention and the temperature contrast figure of its reception.
Embodiment
The process flow diagram of the cooling means of Fig. 1 medical image system of the present invention.The heat generating components of supposing this moment is the X-ray pipe that uses among the computed tomography imaging system CT, then according to this method, survey the temperature of this heat generating components (being the X-ray pipe) with a temperature sensor, this temperature sensor is sent to a fan unit with the temperature of being surveyed, and fan unit is adjusted its rotating speed according to the temperature that is received.
Fig. 2 is the synoptic diagram of the cooling device of medical image system of the present invention, and wherein 10 is a heat generating components X-ray pipe, and 20 for being used to cool off the fan of this X-ray pipe 10, and a stationary installation 80 is arranged on the X-ray pipe.According to the present invention, a temperature sensor 30 is set in this CT system, this temperature sensor 30 places the surface of X-ray pipe 10, and is connected with fan 20 by line.Temperature sensor 30 is surveyed the temperature of X-ray pipe 10 and is sent the temperature that is detected to be attached thereto fan 20, and fan 20 is adjusted its rotating speed according to received temperature.
It is spherical that common temperature sensor mostly is, for ease of installing and making the temperature of detection effective more, reliable, further one compressing tablet 50 is set on X-ray pipe 10 surfaces, offer two holes 501,502 on this compressing tablet 50, laying temperature sensor 30 in its mesopore 501, another one hole 502 is used to place bolt 70, and bolt 70 combines compressing tablet 50 and stationary installation 80, thereby makes compressing tablet 50 and X-ray pipe 10 combine.
Because compressing tablet 50 is rigid element with X-ray pipe 10, and temperature sensor 30 is generally ceramic surface, if only use compressing tablet 50 fixed temperature sensors 30, then easily with temperature sensor 30 crushing.In addition, only rely on rigidity compressing tablet 50 also to be not easy temperature sensor 30 is pressed on X-ray pipe 10 surfaces.For this reason, cover one deck resilient material, be generally silicon rubber 60 in the bottom of compressing tablet 50.Offer a hole on the silicon rubber 60, the position in the hole 501 on this hole and the compressing tablet 50 is corresponding, and the sectional area in the hole on the silicon rubber 60 is slightly less than the sectional area in the hole 501 on the compressing tablet 50.Like this, when making on the one hand with the fixing spherical temperature sensor 30 of compressing tablet 50, can be with temperature sensor 30 crushing, by the hole on the silicon rubber 60 that temperature sensor 30 is fixing on the other hand, also make spherical temperature sensor 30 can be close to the surface of X-ray pipe 10, therefore can survey the temperature of X-ray pipe 10 more exactly.The stereographic map of compressing tablet 50 as shown in Figure 3.
Relation between the temperature of the temperature sensor that rotating speed and its received 30 of described fan 20 as shown in Figure 4.Upper and lower two tachometer value S are arranged among Fig. 4
LowAnd S
High, when the temperature that receives when fan 20 was low, the invariablenes turning speed of fan 20 was at S
LowThe temperature that receives when fan 20 arrives uniform temperature T
LowThe time, the rotating speed of fan 20 begins to increase with temperature linearity.The temperature that receives when it raises gradually, arrives temperature T
HighThe time, the rotating speed of fan 20 begins to become steady state value S again
HighOtherwise the temperature that receives when fan 20 reduces gradually, arrives temperature T
HighThe time, the rotating speed of fan 20 begins to reduce with temperature linearity.The temperature that receives when fan 20 is reduced to uniform temperature T
LowThe time, the rotating speed of fan 20 begins to become steady state value S again
Low
Therefore, in the present invention, when using 20 pairs of described X-ray pipes 10 of fan to cool off, the course of work of fan 20 is as follows: at first, system boot, X-ray pipe 10 is in normal temperature, and temperature sensor 30 is given fan 20 with the temperature transfer of the X-ray pipe 10 that records, and fan 20 carries out temperature control and makes it keep low-speed running.
System is after operation a period of time, X-ray pipe 10 is through multiexposure, multiple exposure, perspective, its skin temperature progressively rises, the temperature transfer of the X-ray pipe 10 that progressively rises that temperature sensor 30 will record is given fan 20, fan 20 carries out temperature control and it is progressively revved up, the linear growth of the temperature of its rotating speed and current reception.
System continues operation, is in high load capacity, and the X-ray pipe 10 of this moment is through continuous exposures or make uninterrupted perspective, and its skin temperature is accelerated to rise, the final X-ray pipe 10 temperature critical value that reaches a high temperature.Temperature sensor 30 is passed to fan 20 after recording this high temperature critical value, and fan 20 runs up with constant speed, to greatest extent X-ray pipe 10 is cooled off.
System continues operation, and X-ray pipe 10 is in holding state, and this moment, it stopped exposure or perspective, skin temperature progressively descends, temperature sensor 30 is passed to fan 20 after recording the temperature of X-ray pipe 10, and the rotating speed of fan 20 progressively reduces, up to keeping a minimum constant rotational speed.
The foregoing description is that linearity is that example is illustrated cooling procedure with the rotating speed of fan and the temperature of its reception only.In the enforcement, can also be nonlinear relationship between the rotating speed of fan and its reception temperature, for example be a nonlinear function.
Above-mentioned only with a fan be example present invention is described, can also adopt fan form in parallel to strengthen cooling effect to the medical imaging system assembly of some big thermal capacity.Can offer a plurality of holes at compressing tablet 50 this moment, and a temperature sensor is set in each hole, and each temperature sensor links to each other with a fan.In order to save the space, can also be punctured into a swallow-tail form owing to have the more lead-in wire of number with a side 503 of compressing tablet 50 this moment, 503 one sides of lead-in wire 301,302 bundles on the compressing tablet 50 of swallow-tail form of temperature sensor 30.
Adopt cooling means of the present invention and cooling device at first can realize the medical imaging system assembly is monitored automatically, adjust rotation speed of the fan (intake) automatically according to the temperature of heat generating components in the system.Because the temperature of system's heat generating components when standby reduces, so the also corresponding reduction of the rotating speed of fan, thereby the noise of fan when reducing standby reduces the influence to doctor and patient, and doctor and patient are in the relative quietly environment.Secondly, the rotating speed of fan reduces during owing to standby, so can saves energy consume, prolongs the serviceable life of cooling fan.And the present invention can realize goal of the invention increasing under the prerequisite of cost seldom.
Claims (10)
1. the cooling means of a medical image system is characterized in that this method may further comprise the steps:
(a) survey the temperature of a heat generating components (10) with a temperature sensor (30);
(b) described temperature sensor (30) is sent to a fan unit (20) with the temperature of being surveyed; And
(c) described fan unit (20) is adjusted its rotating speed according to the temperature that is received.
2. the cooling means of medical image system according to claim 1 is characterized in that, described temperature sensor (30) is a resistance value with the temperature transition of being surveyed, and described fan unit (20) is adjusted its rotating speed according to described resistance value.
3. the cooling means of medical image system according to claim 1 is characterized in that, in step (c), described fan unit (20) is adjusted its rotating speed according to the temperature that is received in a temperature range internal linear.
4. the cooling device of a medical image system, comprise a heat generating components (10) and at least one fan unit (20), it is characterized in that, one temperature sensor (30) is set in described medical image system, and described temperature sensor (30) places described heat generating components (10) surface and is connected with described fan unit (20).
5. the cooling device of medical image system according to claim 4, it is characterized in that, on described heat generating components (10) surface one compressing tablet (50) is set, offers a hole (501) on described compressing tablet, described temperature sensor (30) places described hole (501).
6. the cooling device of medical image system according to claim 5 is characterized in that, also offers a hole (502) on the described compressing tablet (50), and a bolt (70) is fixed on described compressing tablet (50) on the described heat generating components (10) by this hole (502).
7. the cooling device of medical image system according to claim 5, it is characterized in that, at least a portion of described compressing tablet (50) bottom covers resilient material (60), offers a hole on the described resilient material, and the position in the hole (501) on this hole and the described compressing tablet (50) is corresponding.
8. the cooling device of medical image system according to claim 7 is characterized in that, the sectional area in the hole on the described resilient material (60) is less than or equal to the sectional area in the hole (501) on the described compressing tablet (50).
9. according to the cooling device of claim 7 or 8 described medical image systems, it is characterized in that described resilient material (60) is a silicon rubber.
10. according to the cooling device of the described medical image system of the arbitrary claim of claim 5 to 8, it is characterized in that a side (503) of described compressing tablet (50) is punctured into a swallow-tail form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100630063A CN101231894A (en) | 2007-01-24 | 2007-01-24 | Cooling method and apparatus of medical imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100630063A CN101231894A (en) | 2007-01-24 | 2007-01-24 | Cooling method and apparatus of medical imaging system |
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| Publication Number | Publication Date |
|---|---|
| CN101231894A true CN101231894A (en) | 2008-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100630063A Pending CN101231894A (en) | 2007-01-24 | 2007-01-24 | Cooling method and apparatus of medical imaging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110074806A (en) * | 2019-05-29 | 2019-08-02 | 明峰医疗系统股份有限公司 | A kind of gain control method and device based on SiPM detection system |
| WO2021115153A1 (en) * | 2019-12-11 | 2021-06-17 | 飞依诺科技(苏州)有限公司 | Ultrasound system and temperature control method thereof |
-
2007
- 2007-01-24 CN CNA2007100630063A patent/CN101231894A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110074806A (en) * | 2019-05-29 | 2019-08-02 | 明峰医疗系统股份有限公司 | A kind of gain control method and device based on SiPM detection system |
| WO2021115153A1 (en) * | 2019-12-11 | 2021-06-17 | 飞依诺科技(苏州)有限公司 | Ultrasound system and temperature control method thereof |
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