CN112738957A - Method for controlling shading compensation of operation shadowless lamp - Google Patents
Method for controlling shading compensation of operation shadowless lamp Download PDFInfo
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- CN112738957A CN112738957A CN202011579959.7A CN202011579959A CN112738957A CN 112738957 A CN112738957 A CN 112738957A CN 202011579959 A CN202011579959 A CN 202011579959A CN 112738957 A CN112738957 A CN 112738957A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
- H05B47/13—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings by using passive infrared detectors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The invention belongs to the technical field of medical equipment, and particularly relates to a method for controlling shading compensation of a surgical shadowless lamp, which comprises the following steps: calculating default trigger sensitivity according to the acquired trigger value acquired by the sensor in real time; calculating a color temperature distribution value according to a preset surgical shadowless lamp setting value; according to the obtained color temperature distribution value, correcting the default trigger sensitivity to obtain the corrected trigger sensitivity; and controlling shading compensation of the operation shadowless lamp according to the corrected trigger sensitivity.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a method for controlling shading compensation of an operating shadowless lamp.
Background
Surgical shadowless lamps are used to illuminate the surgical site for optimal viewing of small, low contrast objects at various depths in the incision and body cavity. Among the technical performance indexes of the surgical shadowless lamp, the color temperature is one of the most important performance indexes. The color temperature of the common operation shadowless lamp with the color temperature adjusting function is adjusted to be between 3000K and 5700K. During the operation, the illumination area of the operation shadowless lamp can be shielded according to different positions of medical staff. The shading compensation function refers to automatically adjusting the illumination intensity of the operating shadowless lamp after shading is formed, in the existing shading compensation adjusting method, an infrared sensor or a photoelectric sensor is generally adopted as a trigger sensor, a plurality of collected trigger values are weighted and averaged, the color temperature sensitivity is directly compared, and shading compensation is realized according to judgment conditions.
However, the influence of different color temperatures on the infrared sensor or the photoelectric sensor is not considered in the existing adjusting method, and the different color temperatures are not corrected under the environment of different color temperatures, so that the trigger sensitivity is deviated, the precision of the trigger sensitivity is reduced, the judgment result is influenced, and the shading compensation effect is further influenced.
Disclosure of Invention
In order to solve the above-mentioned drawbacks of the prior art, the present invention provides a method for controlling shading compensation of a surgical shadowless lamp, comprising:
calculating default trigger sensitivity according to the acquired trigger value acquired by the sensor in real time;
calculating a color temperature distribution value according to a preset surgical shadowless lamp setting value;
correcting the default trigger sensitivity according to the obtained color temperature distribution value to obtain the corrected trigger sensitivity;
and controlling shading compensation of the operation shadowless lamp according to the corrected trigger sensitivity.
As one improvement of the above technical solution, the default trigger sensitivity is calculated according to the acquired trigger value acquired by the sensor in real time; the specific process comprises the following steps:
the sensor collects a plurality of trigger values in real time, and carries out weighted average on the plurality of trigger values to obtain default trigger sensitivity.
As one improvement of the technical scheme, the color temperature distribution value is calculated according to a preset surgical shadowless lamp setting value; the specific process comprises the following steps:
through setting up the control panel on the shadowless lamp of performing the operation, adjust the shadowless lamp of performing the operation, obtain the illuminance set value and the colour temperature set value of shadowless lamp of performing the operation, according to the illuminance set value and the colour temperature set value of the shadowless lamp of performing the operation that obtain, calculate colour temperature distribution value:
P＝(a×K+C)×b (1)
wherein, P is a color temperature distribution value; a is the illumination setting value of the operation shadowless lamp; k is the maximum illumination of the lamp group of the operation shadowless lamp; c is the minimum illumination of the lamp group of the operation shadowless lamp; b is the color temperature setting of the surgical shadowless lamp.
As one improvement of the above technical solution, the default trigger sensitivity is modified according to the obtained color temperature distribution value to obtain a modified trigger sensitivity; the specific process comprises the following steps:
and correcting the default trigger sensitivity according to the obtained color temperature distribution value P:
S'＝S×a1+Lp×b1+Hp×c1 (2)
wherein S' is the corrected trigger sensitivity; s is the default trigger sensitivity; a is1A scaling factor for a default trigger sensitivity; l ispAssigning values to the color temperatures of the low color temperature lamp group; b1A proportionality coefficient of a value is allocated to the color temperature of the low color temperature lamp set; hpDistributing values for the color temperatures of the high-color-temperature lamp set; c. C1The proportionality coefficient of the color temperature distribution value is distributed to the high color temperature lamp set;
wherein the content of the first and second substances,
and (4) calculating and obtaining the corrected trigger sensitivity according to the formula (2).
As one improvement of the technical scheme, the shading compensation of the operation shadowless lamp is controlled according to the corrected trigger sensitivity; the specific process comprises the following steps:
judging whether the corrected trigger sensitivity reaches a preset trigger threshold value or not according to the obtained corrected trigger sensitivity;
if the corrected trigger sensitivity is greater than or equal to a preset trigger threshold, starting shading compensation of the operation shadowless lamp;
and if the corrected trigger sensitivity is smaller than a preset trigger threshold, suspending shading compensation of the operating shadowless lamp.
As one improvement of the above technical solution, the sensor is an infrared sensor or a photoelectric sensor.
Compared with the prior art, the invention has the beneficial effects that:
the method corrects the trigger sensitivity, calculates the color temperature distribution value according to the corresponding relation between the color temperature output by the operation shadowless lamp and the set value acquired by the sensor, corrects the trigger sensitivity according to the calculated color temperature distribution value, and greatly improves the precision of the trigger sensitivity under the condition of not introducing new data variables, so that the judgment result is more accurate and precise, and the shading compensation effect is better.
Drawings
FIG. 1 is a flow chart of a method of the present invention for controlling shading compensation of a surgical shadowless lamp.
Detailed Description
The invention will now be further described with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a method for controlling shading compensation of a surgical shadowless lamp, the method comprising:
calculating default trigger sensitivity according to the acquired color temperature value acquired by the sensor in real time;
specifically, the sensor collects a plurality of trigger values in real time, and performs weighted average on the plurality of trigger values to obtain default trigger sensitivity.
Calculating a color temperature distribution value according to a preset surgical shadowless lamp setting value;
specifically, through setting up the control panel on the shadowless lamp of performing the operation, adjust the shadowless lamp of performing the operation, obtain the illuminance set value and the colour temperature set value of shadowless lamp of performing the operation, according to the illuminance set value and the colour temperature set value of the shadowless lamp of performing the operation that obtain, calculate colour temperature distribution value:
P＝(a×K+C)×b (1)
wherein, P is a color temperature distribution value; a is the illumination setting value of the operation shadowless lamp; k is the maximum illumination of the lamp group of the operation shadowless lamp; c is the minimum illumination of the lamp group of the operation shadowless lamp; b is the color temperature setting of the surgical shadowless lamp.
The obtained color temperature distribution value is a value under the environment of the irradiation surface of the shadowless lamp, and the value is equal to the color temperature value of the shadowless lamp and is not influenced by the color temperature environment.
Correcting the default trigger sensitivity according to the obtained color temperature distribution value to obtain the corrected trigger sensitivity;
specifically, according to the obtained color temperature distribution value P, the default trigger sensitivity is modified:
S'＝S×a1+Lp×b1+Hp×c1 (2)
wherein S' is the corrected trigger sensitivity; s is the default trigger sensitivity; a is1A scaling factor for a default trigger sensitivity; l ispAssigning values to the color temperatures of the low color temperature lamp group; b1A proportionality coefficient of a value is allocated to the color temperature of the low color temperature lamp set; hpDistributing values for the color temperatures of the high-color-temperature lamp set; c. C1The proportionality coefficient of the color temperature distribution value is distributed to the high color temperature lamp set;
wherein the content of the first and second substances,
and (4) calculating and obtaining the corrected trigger sensitivity according to the formula (2).
And controlling shading compensation of the operation shadowless lamp according to the corrected trigger sensitivity.
Judging whether the corrected trigger sensitivity reaches a preset trigger threshold value or not according to the obtained corrected trigger sensitivity;
if the corrected trigger sensitivity is greater than or equal to a preset trigger threshold, starting shading compensation of the operation shadowless lamp;
and if the corrected trigger sensitivity is smaller than a preset trigger threshold, suspending shading compensation of the operating shadowless lamp.
The preset trigger threshold in this embodiment is:
Y＝A +X
wherein Y is a preset trigger threshold; a is a zero value acquired by a sensor under the condition of no shielding of 1 meter; x is a correction constant of the trigger threshold;
the sensor is an infrared sensor or a photoelectric sensor. In this embodiment, the sensor is an infrared sensor.
In the implementation process of the shading compensation function, the method corrects the trigger sensitivity, and the color temperature distribution value can be calculated according to the corresponding relation between the color temperature output by the operation shadowless lamp and the set value, which is acquired by the sensor. Meanwhile, the output illumination of the operation shadowless lamp is 40-160 klx which is far higher than the ambient illumination by 0.1-1.0 klx, so the color temperature influence of the ambient illumination can be ignored. Based on the two points, no new data variable is introduced for correcting the trigger sensitivity, and meanwhile, the influence of external environmental factors is avoided, the overall effect is stable and reliable, the precision of the trigger sensitivity is greatly improved, the judgment result is more accurate and precise, and the shading compensation effect is better.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and are not limited. Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A method for controlling shading compensation of a surgical shadowless lamp, the method comprising:
calculating default trigger sensitivity according to the acquired trigger value acquired by the sensor in real time;
calculating a color temperature distribution value according to a preset surgical shadowless lamp setting value;
according to the obtained color temperature distribution value, correcting the default trigger sensitivity to obtain the corrected trigger sensitivity;
and controlling shading compensation of the operation shadowless lamp according to the corrected trigger sensitivity.
2. The method for controlling shading compensation of a surgical shadowless lamp of claim 1 wherein the default trigger sensitivity is calculated from the acquired trigger values acquired by the sensor in real time; the specific process comprises the following steps:
after the sensor collects a plurality of trigger values in real time, the plurality of trigger values are weighted and averaged to obtain default trigger sensitivity.
3. The method for controlling shading compensation of a surgical shadowless lamp of claim 1 wherein the color temperature assignment value is calculated from pre-acquired surgical shadowless lamp setting values; the specific process comprises the following steps:
through setting up the control panel on the shadowless lamp of performing the operation, adjust the shadowless lamp of performing the operation, obtain the illuminance set value and the colour temperature set value of shadowless lamp of performing the operation, according to the illuminance set value and the colour temperature set value of the shadowless lamp of performing the operation that obtain, calculate colour temperature distribution value:
P＝(a×K+C)×b (1)
wherein, P is a color temperature distribution value; a is the illumination setting value of the operation shadowless lamp; k is the maximum illumination of the lamp group of the operation shadowless lamp; c is the minimum illumination of the lamp group of the operation shadowless lamp; b is the color temperature setting of the surgical shadowless lamp.
4. The method for controlling shading compensation of a surgical shadowless lamp of claim 3 wherein the default trigger sensitivity is modified according to the obtained color temperature distribution value to obtain a modified trigger sensitivity; the specific process comprises the following steps:
and correcting the default trigger sensitivity according to the obtained color temperature distribution value P:
S'＝S×a1+Lp×b1+Hp×c1 (2)
wherein S' is the corrected trigger sensitivity; s is the default trigger sensitivity; a is1A scaling factor for a default trigger sensitivity; l ispAssigning values to the color temperatures of the low color temperature lamp group; b1A proportionality coefficient of a value is allocated to the color temperature of the low color temperature lamp set; hpDistributing values for the color temperatures of the high-color-temperature lamp set; c. C1The proportionality coefficient of the color temperature distribution value is distributed to the high color temperature lamp set;
wherein the content of the first and second substances,
and (4) calculating and obtaining the corrected trigger sensitivity according to the formula (2).
5. The method for controlling shading compensation of a surgical shadowless lamp of claim 3 wherein the shading compensation of the surgical shadowless lamp is controlled according to the corrected trigger sensitivity; the specific process comprises the following steps:
judging whether the corrected trigger sensitivity reaches a preset trigger threshold value or not according to the obtained corrected trigger sensitivity;
if the corrected trigger sensitivity is greater than or equal to a preset trigger threshold, starting shading compensation of the operation shadowless lamp;
and if the corrected trigger sensitivity is smaller than a preset trigger threshold, suspending shading compensation of the operating shadowless lamp.
6. The method for controlling shading compensation of a surgical shadowless lamp of claim 1 wherein the sensor is an infrared sensor or a photosensor.
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Cited By (1)
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| CN117015121A (en) * | 2023-10-07 | 2023-11-07 | 南通医疗器械有限公司 | Fault alarm management method and system for shadowless lamp |
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