CN106805988B - Automatic preheating method and device of CT scanning system - Google Patents
Automatic preheating method and device of CT scanning system Download PDFInfo
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Abstract
The invention discloses an automatic preheating method and a device of a CT scanning system, wherein the method comprises the following steps: acquiring the current heat capacity of the CT scanning system; judging whether the current heat capacity is smaller than a preset threshold value or not, and if so, determining that automatic preheating is needed; and automatically preheating the CT scanning system. The automatic preheating method can keep the thermal capacity of the CT scanning system above a preset threshold value constantly, so that the CT scanning system can execute CT scanning at any time by adopting normal power. Therefore, the automatic preheating method can ensure that the CT scanning system has the function of scanning by adopting normal power at any time, can achieve the purpose that the CT scanning patient scans at any time, and can solve the problem that the CT scanning system preheats the time of the patient who performs CT scanning.
Description
Technical Field
The invention relates to the technical field of CT scanning, in particular to an automatic preheating method and device of a CT scanning system.
Background
In a CT scanning system, the CT scanning system can only perform scanning with normal power if the thermal capacity of the bulb of the CT scanning system is maintained at a certain level. This is because: if the thermal capacity of the bulb of the CT scanning system is too low, the user needs to use a lower power to perform the CT scanning if the CT scanning system is not preheated, which may reduce the quality of the CT scanning image. If the CT scanning system is not preheated, in order to obtain a CT scanning image with higher quality, the CT scanning is directly carried out by adopting high power, but the method of directly carrying out the CT scanning by adopting high power has larger damage to the bulb tube of the CT scanning system, and the service life of the bulb tube of the CT scanning system is reduced. However, the bulb of the CT scanning system is expensive, which results in the hardware cost of the CT scanning system being increased.
If the CT scanning system is preheated for a short time before scanning, the thermal capacity of the CT scanning system is only higher than the lower limit of the thermal capacity required for high-power scanning, a certain time is consumed, and the CT scanning system cannot have the performance of scanning at any time.
As can be seen from the above, in order to perform CT scanning with normal power, the thermal capacity of the bulb of the CT scanning system needs to be maintained at a certain level, and thus, the CT scanning system needs to be preheated. However, the preheating process of the existing CT scanning system is generally performed by an operator before CT scanning, and the CT scanning system cannot automatically perform preheating. This method of warming up may waste the patient's time, for example: for some hospitals with fewer patients, it is often the case that the CT scanning system needs to be re-warmed before each patient scan, which can lead to the warming process of the CT scanning system wasting time for the patient.
Disclosure of Invention
In view of this, the present invention provides an automatic preheating method and device for a CT scanning system, so as to solve the problem that the preheating process of the CT scanning system wastes time of a patient, and achieve the purpose of scanning the patient at any time.
In order to solve the technical problems, the invention adopts the following technical scheme:
an automatic preheating method of a CT scanning system comprises the following steps:
acquiring the current heat capacity of the CT scanning system;
judging whether the current heat capacity is smaller than a preset threshold value or not; if yes, determining that automatic preheating is needed;
and automatically preheating the CT scanning system.
Optionally, after determining that the automatic preheating is required and before automatically preheating the CT scanning system, the method further includes:
prompting that automatic preheating is about to be performed, and counting down for a certain time before automatic preheating.
Optionally, the determining that automatic preheating is required specifically includes:
automatic preheating is determined to be needed according to historical scanning data in a past period of time.
Optionally, the determining that automatic preheating is required according to historical scan data in a past period of time specifically includes:
acquiring the average scanning times of the CT scanning system in each specified time period in the past time period;
when the average scanning times in a certain specified time period is larger than the scanning times threshold value, determining that automatic preheating is needed when the specified time period is approached or entered;
and the time close to the specified time period is the time which is advanced by a certain time length from the starting time of the specified time period.
Optionally, the method further comprises:
and when the average scanning times in a certain specified time period is less than or equal to the scanning times threshold, determining that automatic preheating is required according to the reserved time of CT scanning.
Optionally, the determining that automatic preheating is required specifically includes:
and determining the need of automatic preheating according to the scheduled time of the CT scanning.
Optionally, the determining that automatic preheating is required according to the scheduled time of CT scanning specifically includes:
acquiring a work list;
when the appointment time of CT scanning is recorded in the working list, and when the appointment time of CT scanning is close to or enters the appointment time of CT scanning, the fact that automatic preheating is needed at the current moment is determined; the time corresponding to the scheduled time close to the CT scanning is the time corresponding to the scheduled time advanced by a certain time length compared with the CT scanning.
An automatic preheating device of a CT scanning system comprises:
the acquisition unit is used for acquiring the current heat capacity of the CT scanning system;
the judging unit is used for judging whether the current heat capacity is smaller than a preset threshold value or not;
the determining unit is used for determining that automatic preheating is needed when the current heat capacity is smaller than a preset threshold value;
and the automatic preheating unit is used for automatically preheating the CT scanning system.
Optionally, the method further comprises:
and the prompting unit is used for prompting that automatic preheating is about to be performed after a signal that the determining unit needs to perform automatic preheating is received, and counting down for a certain time before the automatic preheating.
Optionally, the determining unit includes:
the first determination unit is used for determining that automatic preheating is needed according to historical scanning data in a past period of time.
Optionally, the first determining unit includes:
the first acquisition subunit is used for acquiring the average scanning times of the CT scanning system in each specified time period in the past time period;
the first determining subunit is used for determining that automatic preheating is required when a certain time period in a certain specific date is approached or entered when the average scanning times in a certain specified time period is greater than a scanning times threshold value;
and the time close to the specified time period is the time which is advanced by a certain time length from the starting time of the specified time period.
Optionally, the first determining unit further includes:
and the second determining subunit is used for determining that automatic preheating is required according to the scheduled time of CT scanning when the average scanning frequency in a certain specified time period is less than or equal to the scanning frequency threshold.
Optionally, the determining unit includes:
and the second determining unit is used for determining that automatic preheating is required according to the scheduled time of the CT scanning.
Optionally, the second determining unit includes:
the second acquisition subunit is used for acquiring the work list;
the third determining subunit is used for determining that automatic preheating is required to be performed at the current moment when the appointment time of CT scanning is recorded in the working list and the appointment time of the CT scanning is close to or enters the appointment time of the CT scanning; the time corresponding to the scheduled time close to the CT scanning is the time corresponding to the scheduled time advanced by a certain time length compared with the CT scanning.
Compared with the prior art, the invention has the following beneficial effects:
according to the technical scheme, when the current heat capacity of the CT scanning system is smaller than the preset threshold value, the CT scanning system is automatically preheated. In this way, the thermal capacity of the CT scanning system can be maintained above the preset threshold during scanning by the automatic preheating method, so that the CT scanning system can perform CT scanning with normal power. The purpose that the CT scanning patient can be scanned along with the CT scanning is achieved, and therefore the problem that the CT scanning system preheats and wastes time of the patient who carries out the CT scanning can be solved, and the purpose that the patient can be scanned along with the CT scanning is achieved.
Drawings
In order to clearly understand the technical solution of the present invention, the drawings used in describing the embodiments of the present invention will be briefly described. It is obvious that these drawings are only some embodiments of the invention, and that a person skilled in the art will be able to obtain further drawings without the inventive step.
FIG. 1 is a schematic flow chart illustrating an automatic preheating method for a CT scanning system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a first specific implementation manner of the method for determining whether automatic preheating is required according to the embodiment of the present invention;
fig. 3 is a schematic flowchart of a second specific implementation manner of the method for determining whether automatic preheating is required according to the embodiment of the present invention;
fig. 4 is a schematic flowchart of a third specific implementation manner of the method for determining whether automatic preheating is required according to the embodiment of the present invention;
FIG. 5 is a flowchart illustrating an automatic preheating method for a CT scanning system according to a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of an automatic preheating device of a CT scanning system according to a third embodiment of the present invention;
fig. 7 is a schematic structural diagram of a first determining unit according to a third embodiment of the present invention;
fig. 8 is a schematic structural diagram of a second determining unit according to a third embodiment of the present invention;
fig. 9 is a schematic structural diagram of an automatic preheating device of a CT scanning system according to a fourth embodiment of the present invention.
Detailed Description
For clearly understanding technical problems, technical solutions and technical effects to be solved by the present invention, the following detailed description of specific embodiments of the present invention will be provided with reference to the accompanying drawings.
It should be noted that, in the embodiment of the present invention, the automatic preheating of the CT scanning system is understood to be the automatic preheating of the bulb of the CT scanning system.
Example one
Fig. 1 is a schematic flow chart illustrating an automatic preheating method of a CT scanning system according to an embodiment of the present invention. As shown in fig. 1, the automatic preheating method includes the following steps:
s11, obtaining current heat capacity of the CT scanning system:
the method specifically comprises the following steps: the current thermal capacity of the bulb of the CT scanning system is obtained.
S12, judging whether the current heat capacity is smaller than a preset threshold value, if so, executing a step S13, otherwise, ending the flow:
generally, when the thermal capacity of the CT scanning system is less than 10%, the high power scanning is not allowed, so in the embodiment of the present invention, the preset threshold may be 10%, and of course, the preset threshold may be other reasonable values, such as 10.2%.
And S13, judging whether automatic preheating is needed, if so, executing a step S14, and if not, ending the process.
In order to avoid repeatedly preheating the CT scanning system when there is no CT scanning requirement, this step needs to determine whether automatic preheating is needed according to the CT scanning requirement.
S14, carrying out automatic preheating on the CT scanning system:
it is noted that in order to reduce the radiation during the preheating process, the CT scanning system closes the X-ray shielding device, e.g. the upper slice, prior to the preheating.
As an example, the minimum voltage and suitable current allowed by the CT scanning system may be used for preheating. For example, the preheat voltage may be 80kv and the current may be 100 mA.
As an example, the automatic warm-up process may be: the minimum voltage and the proper current allowed by the CT scanning system are adopted to continuously emit X rays for a certain time, such as 30 seconds, and other reasonable values can also be adopted, so that the heat capacity of the bulb tube is increased to be above a preset threshold value after the bulb tube is subjected to the pay-off. After the preset threshold is reached and the bulb is cooled for 20 minutes, the heat capacity is reduced below the preset threshold again.
Of course, the present invention can also select higher power or longer paying-off time for preheating according to actual needs to reach reasonable heat capacity maintaining time, and the selection of specific conditions can select more optimal values according to actual scanning intervals of hospital patients.
The above is a specific implementation manner of the automatic preheating method of the CT scanning system according to the embodiment of the present invention. In this embodiment, the CT scanning system is automatically warmed up when the current thermal capacity of the CT scanning system is less than a preset threshold. Thus, the automatic preheating method can enable the thermal capacity of the CT scanning system to be maintained above a preset threshold value when the CT scanning is carried out, so that the CT scanning system can execute the CT scanning by adopting normal power. The aim of scanning the patient with CT scanning at any time is fulfilled, so that the problem that the time of the patient for CT scanning is wasted due to preheating of a CT scanning system is solved.
A specific implementation of step S13 is described in detail below.
The first specific implementation manner: and judging whether automatic preheating is needed or not according to historical scanning data in a past period of time.
Generally, the CT scanning system records the historical scanning data in a period of time, so as to estimate which period of time will be required for CT scanning in the future according to the historical scanning data, and thus, whether automatic preheating is required can be determined according to the historical scanning data in a past period of time. A schematic flow diagram of this embodiment is shown in fig. 2.
Fig. 2 is a schematic flow chart of a method for determining whether automatic preheating is required according to an embodiment of the present invention. As shown in fig. 2, the method comprises the steps of:
s21, acquiring the average scanning times of the CT scanning system in each appointed time period in the past time period:
it should be noted that, in the embodiment of the present invention, the specified time period may be a certain time period within a certain date within a past time period.
As an example, a specific implementation of step S21 may include the following steps:
s211, acquiring all scanning starting time points in each specific date in the past period of the CT scanning system:
it should be noted that, in the embodiment of the present invention, the past time period may be one week, one month, multiple weeks, or a time period with another time length.
The particular date may be any date or any work day. The specific date may be monday to friday of each week, depending on the actual use of the hospital.
S212, attributing all the scanning starting time points in each specific date in the past period of time to corresponding periods of time; wherein one of the specific dates is divided into a plurality of time periods:
as an example, the past period of time is past 5 weeks, and the respective specific dates are monday, tuesday, wednesday, thursday, and friday, respectively.
In the embodiment of the present invention, one specific date is divided into a plurality of time periods of a certain time interval. As an example, a day may be divided into 12 time periods at intervals of 2 hours.
S213, respectively counting the CT scanning times of each time period in each specific date in the past time period:
still taking the above example as an example, the number of CT scans for the past 5 weeks in each time period of monday, tuesday, wednesday, thursday, and friday was counted, respectively. Table 1 below illustrates the number of CT scans counted over the past 5 weeks for each time period on monday.
S214, calculating the average scanning times of each time period in each specific date in the past time period:
still taking the above example as an example, the average number of scans over the past 5 weeks in each of the time periods of monday, tuesday, wednesday, thursday, and friday was calculated, respectively. The average number of scans over the past 5 weeks for each time period of monday is illustrated in table 1 below.
TABLE 1
S22, comparing the size relation between the average scanning times and the scanning time threshold value in the past period of time of each designated period of time:
it should be noted that the threshold of the number of scans may be set according to actual situations, and for example, the threshold of the number of scans may be 1. It is generally considered that when the average number of scans in a certain time period on a certain date is greater than the threshold number of scans, the probability that the patient will perform a CT scan in the certain time period is considered to be relatively high, and conversely, the probability that the patient will perform a CT scan in the certain time period is relatively low.
S23, when the average scanning times of a certain appointed time period in the past time period is larger than the scanning times threshold, determining that automatic preheating is needed when the appointed time period is approached or entered:
and the time close to the specified time period is the time which is advanced by a certain time length from the starting time of the specified time period.
It should be noted that, when the average number of scans in a certain specified time period in the past time period is greater than the threshold number of scans, it is highly likely that the patient needs to be scanned in the specified time period, so when the CT scanning system time approaches or enters the specified time period, it is determined that the automatic warming is needed at the present moment.
For example, the following steps are carried out: if it can be known from the analysis result that the average scanning time is 8.8 at 10 pm to 12 pm on monday (time period 5), which is greater than the scanning time threshold 1, that is, there may be a patient to perform CT scanning, the embodiment of the present invention may determine that the current time needs to be preheated when the system time reaches 10 pm on monday, or may determine that the current time needs to be preheated when the system time reaches 9 pm on monday, so that the scanning preparation may be made in advance, and the patient visit time may be saved.
The above is the first embodiment for determining whether or not automatic preheating is required. In this embodiment, the historical scan data recorded by the system is used to estimate which time period of a specific day the patient may need to be subjected to CT scan, and then when the system time is entered into the time period when the patient may be subjected to CT scan, it is determined that automatic preheating is needed at the current time. It should be noted that, in order to ensure the effect of the follow-up scan of the patient, it may be determined that automatic warming is required at the current time within a certain time range before the system time enters a time period in which there may be a patient to perform a CT scan.
The second embodiment is described below.
The second specific implementation manner is as follows: and judging whether automatic preheating is needed or not according to the scheduled time of CT scanning.
In some CT scanning systems, reservation information of CT scanning, such as a reservation time, may also be recorded, and the embodiment of the present invention may further determine whether to perform automatic preheating based on the reservation time of the CT scanning. As an example, in a CT scanning system, a work list is provided for recording reservation information of CT scanning.
Fig. 3 is a schematic flow chart of a method for determining whether automatic preheating is required based on the scheduled time of CT scanning. Fig. 3 is a flowchart illustrating a method for determining whether automatic preheating is required based on a scheduled time of CT scanning. As shown in fig. 3, the method comprises the steps of:
s31, acquiring a work list, wherein the work list is used for recording reservation information of CT scanning; the CT scanning reservation information comprises CT scanning reservation time.
S32, judging whether the work list records the CT scanning reservation time, if yes, executing the step S33, if no, ending the process.
S33, when the appointment time of the CT scanning is approached or entered, determining that the automatic preheating is needed at the current moment; the time corresponding to the scheduled time close to the CT scanning is the time corresponding to the scheduled time advanced by a certain time length compared with the CT scanning.
The third concrete implementation mode is as follows:
it should be noted that the third specific implementation may be directed to the following cases: according to the first embodiment, it is determined that there is little possibility that a patient performs a CT scan within a certain time period on a certain date, and automatic warming up is not required, but if there is a reservation made by the patient for the CT scan within the certain time period on the certain date. For this case, it can be determined whether automatic warm-up is necessary based on both the historical scan data and the scheduled time of the CT scan. The flow diagram of the method is shown in fig. 4. As shown in fig. 4, the method comprises the steps of:
steps S41 to S43 are the same as steps S21 to S23 shown in fig. 2, and for brevity, detailed descriptions thereof will be omitted, and refer to the above descriptions.
And S44, when the average scanning times of a certain appointed time period in the past time period is less than or equal to the scanning times threshold value, acquiring a work list, wherein the work list records the information of reserved CT scanning.
S45, judging whether the work list records the CT scanning reservation time, if yes, executing the step S46, if no, ending the flow:
s46, when the appointment time of the CT scanning is approached or entered, determining that the automatic preheating is needed at the current moment; the time corresponding to the scheduled time close to the CT scanning is the time corresponding to the scheduled time advanced by a certain time length compared with the CT scanning.
The third specific implementation manner for determining whether automatic preheating is required is described above. Therefore, the third specific implementation mode is the combination of the first specific implementation mode and the second specific implementation mode, so that the automatic preheating can be more accurately judged when the system needs to be automatically preheated, the unnecessary repeated preheating of the system can be avoided, and the patient can be ensured to be swept along with the system.
The above is a specific implementation manner of the automatic preheating method of the CT scanning system according to the embodiment of the present invention. In this embodiment, whether need carry out automatic preheating through judging according to actual demand, can realize just preheating when needing, when not needing, even thermal capacity is less than and predetermines the threshold value and can not preheat yet, so can avoid CT scanning system's repetition to preheat, be favorable to saving the resource.
In addition, in the preheating process, the CT scanning system emits radiation outwards, which may cause certain radiation to the human body, and in order to avoid the damage of the radiation to the human body, the CT scanning system may also send out a prompt before preheating, so that people are far away from the CT scanning system.
Example two
Fig. 5 is a flowchart illustrating an automatic preheating method for a CT scanning system according to a second embodiment of the present invention. As shown in fig. 5, the method comprises the steps of:
s51, acquiring the current heat capacity of the CT scanning system.
S52, judging whether the current heat capacity is smaller than a preset threshold value, if so, executing a step S53, and if not, ending the process.
And S53, judging whether automatic preheating is needed, if so, executing a step S54, and if not, ending the process.
S54, prompting that automatic preheating is about to be carried out, and counting down for a certain time before automatic preheating:
as an example, the CT scanning system may prompt the user at the user interface that automatic warm-up is imminent and count down for 10 seconds (the count down period may be other values as well). In addition, the prompt is not limited to being displayed on the user interface, and may also be provided with a sound and/or light prompt.
And S55, automatically preheating the CT scanning system.
The above is an automatic preheating method of the CT scanning system provided in the second embodiment of the present invention. In the specific implementation mode, besides the beneficial effects of the first embodiment, the radiation protection device can remind a user, so that the user can prepare for radiation protection before preheating, and the damage of preheating radiation to a human body is avoided.
The above is a specific implementation manner of the automatic preheating method of the CT scanning system provided in the second embodiment of the present invention.
Based on the automatic preheating method of the CT scanning system provided in the first embodiment, the invention further provides a specific implementation of the automatic preheating device of the CT scanning system, which is specifically referred to in the third embodiment.
EXAMPLE III
Fig. 6 is a schematic structural diagram of an automatic preheating device of a CT scanning system according to a third embodiment of the present invention, and as shown in fig. 6, the device includes the following units:
an acquisition unit 61 for acquiring the current thermal capacity of the CT scanning system;
a judging unit 62, configured to judge whether the current thermal capacity is smaller than a preset threshold;
a determining unit 63, configured to determine that automatic preheating is required when the current thermal capacity is smaller than a preset threshold;
and an automatic preheating unit 64 for automatically preheating the CT scanning system.
The automatic preheating device can keep the thermal capacity of the CT scanning system above a preset threshold value constantly, so that the CT scanning system can execute CT scanning at any time by adopting normal power. Therefore, the automatic preheating device can ensure that the CT scanning system has the function of scanning by adopting normal power at any time, can achieve the purpose that the CT scanning patient scans at any time, and can solve the problem that the CT scanning system preheats the time of the patient who performs CT scanning.
As a specific embodiment of the present invention, as shown in fig. 6, the determining unit 63 may include a first determining unit 631, and the first determining unit 631 may be configured to determine that automatic warm-up is required according to historical scan data in a past period of time.
As another embodiment of the present invention, as shown in fig. 6, the determining unit 63 may further include a second determining unit 632, and the second determining unit 632 is configured to determine that automatic preheating is required according to a scheduled time of the CT scan.
As a more specific embodiment of the present invention, as shown in fig. 7, the above-described first determination unit 631 may include the following sub-units:
a first acquiring subunit 6311, configured to acquire an average number of scans in each specified time period in a past time period of the CT scanning system;
a first determining subunit 6312, configured to determine that automatic preheating is required when a certain time period within a certain specific date is approached or entered when an average number of scans within a certain specified time period is greater than a threshold number of scans;
and the time close to the specified time period is the time which is advanced by a certain time length from the starting time of the specified time period.
Further, the first determining unit 631 may further include:
a second determining subunit 6313, configured to determine that automatic preheating is required according to a scheduled time of CT scanning when the average scanning time in a certain specified time period is less than or equal to the scanning time threshold.
As another specific embodiment of the present invention, as shown in fig. 8, the second determining unit 632 may include:
a second obtaining subunit 6321, configured to obtain a work list;
a third determining subunit 6322, configured to determine that automatic preheating needs to be performed at the current time when the CT scanning appointment time is recorded in the work list and when the CT scanning appointment time is close to or enters the CT scanning appointment time; the time corresponding to the scheduled time close to the CT scanning is the time corresponding to the scheduled time advanced by a certain time length compared with the CT scanning.
Based on the automatic preheating method of the CT scanning system provided in the second embodiment, the invention further provides a specific implementation of the automatic preheating device of the CT scanning system, which is specifically referred to in the fourth embodiment.
Example four
It should be noted that, in the fourth embodiment, a prompt unit is added on the basis of the automatic preheating device of the CT scanning system provided in the third embodiment, and other unit structures are the same as the corresponding unit structures in the third embodiment, and specific structures are shown in fig. 9. Fig. 9 is a schematic structural diagram of an automatic preheating device of a CT scanning system according to a fourth embodiment of the present invention.
As shown in fig. 9, the apparatus may include, in addition to the acquisition unit 61, the judgment unit 62, the determination unit 63, and the automatic warm-up unit 64:
and the prompting unit 91 is used for prompting that automatic preheating is about to be performed after a signal that the determining unit needs to perform automatic preheating is received, and counting down for a certain time before the automatic preheating.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. An automatic preheating method of a CT scanning system is characterized by comprising the following steps:
acquiring the current heat capacity of the CT scanning system;
judging whether the current heat capacity is smaller than a preset threshold value or not;
if yes, determining that automatic preheating is needed according to historical scanning data in a past period of time;
automatically preheating the CT scanning system;
the method for determining that automatic preheating is needed according to historical scanning data in a past period of time specifically comprises the following steps:
acquiring the average scanning times of the CT scanning system in each specified time period in the past time period;
when the average scanning times in a certain specified time period is larger than the scanning times threshold value, determining that automatic preheating is needed when the specified time period is approached or entered;
and the time close to the specified time period is the time which is advanced by a certain time length from the starting time of the specified time period.
2. The method of claim 1, wherein after determining that automatic preheating is required and before automatically preheating the CT scanning system, further comprising:
prompting that automatic preheating is about to be performed, and counting down for a certain time before automatic preheating.
3. The method of claim 1, further comprising:
and when the average scanning times in a certain specified time period is less than or equal to the scanning times threshold, determining that automatic preheating is required according to the reserved time of CT scanning.
4. The method according to claim 3, wherein the determining that automatic preheating is required according to the scheduled time of the CT scan specifically comprises:
acquiring a work list;
when the appointment time of CT scanning is recorded in the working list, and when the appointment time of CT scanning is close to or enters the appointment time of CT scanning, the fact that automatic preheating is needed at the current moment is determined;
the time corresponding to the scheduled time close to the CT scanning is the time corresponding to the scheduled time advanced by a certain time length compared with the CT scanning.
5. An automatic preheating device of a CT scanning system, which is characterized by comprising:
the acquisition unit is used for acquiring the current heat capacity of the CT scanning system;
the judging unit is used for judging whether the current heat capacity is smaller than a preset threshold value or not;
the determining unit is used for determining that automatic preheating is needed according to historical scanning data in a past period of time when the current heat capacity is smaller than a preset threshold;
the automatic preheating unit is used for automatically preheating the CT scanning system;
the determination unit includes:
the first acquisition subunit is used for acquiring the average scanning times of the CT scanning system in each specified time period in the past time period;
the first determining subunit is used for determining that automatic preheating is required when the average scanning frequency in a certain specified time period is greater than a scanning frequency threshold value and the specified time period is close to or enters;
and the time close to the specified time period is the time which is advanced by a certain time length from the starting time of the specified time period.
6. The apparatus of claim 5, further comprising:
and the prompting unit is used for prompting that automatic preheating is about to be performed after a signal that the determining unit needs to perform automatic preheating is received, and counting down for a certain time before the automatic preheating.
7. The apparatus of claim 5, wherein the determining unit further comprises:
and the second determining subunit is used for determining that automatic preheating is required according to the scheduled time of CT scanning when the average scanning frequency in a certain specified time period is less than or equal to the scanning frequency threshold.
8. The apparatus of claim 7, wherein the second determining subunit comprises:
the second acquisition subunit is used for acquiring the work list;
the third determining subunit is used for determining that automatic preheating is required to be performed at the current moment when the appointment time of CT scanning is recorded in the working list and the appointment time of the CT scanning is close to or enters the appointment time of the CT scanning; the time corresponding to the scheduled time close to the CT scanning is the time corresponding to the scheduled time advanced by a certain time length compared with the CT scanning.
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| CN113456099B (en) * | 2021-06-22 | 2023-11-07 | 东软医疗系统股份有限公司 | Intelligent control method and device of CT equipment, storage medium and CT equipment |
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| JP2009081034A (en) * | 2007-09-26 | 2009-04-16 | Shimadzu Corp | X-ray high-voltage device and filament heating control method of x-ray tube |
| CN103494612B (en) * | 2013-08-28 | 2016-01-27 | 沈阳东软医疗系统有限公司 | A kind of method and apparatus carrying out pre-heating scan in CT equipment |
| CN105232077A (en) * | 2015-09-30 | 2016-01-13 | 上海联影医疗科技有限公司 | Scanning control system and computed tomography system |
| CN105125235B (en) * | 2015-09-30 | 2018-09-18 | 沈阳东软医疗系统有限公司 | A kind of warm up method and apparatus |
| CN105769232B (en) * | 2016-02-22 | 2018-01-12 | 上海联影医疗科技有限公司 | The X-ray tube filament pre-heating method of CT equipment and pre- heater circuit |
| CN106618621B (en) * | 2017-01-03 | 2020-01-07 | 东软医疗系统股份有限公司 | Control method and device for preheating-free scanning of bulb tube and medical equipment |
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