CN102048516B - Light source device and failure detection method for endoscope - Google Patents
Light source device and failure detection method for endoscope Download PDFInfo
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Abstract
The invention discloses a light source device and a failure detection method for an endoscope. The device comprises at least two light sources, driving control units with the number thereof identical to that of the light sources, a light path synthesis unit, a lamp detecting unit and a system control unit. The method comprises the following steps: an optical signal from the light sources is received and converted into data indicating light intensity; and then the data is judged, if the data indicating light intensity is lower than a preset failure threshold value, alarming information is sent out. By applying the embodiment provided by the invention and adopting at least two groups of light source, spare light source is omitted; the cost is reduced because the structure is simple; moreover, the failure detection is performed, the simple structure is realized, the device and the method can be accepted by doctors and patients better, and the market prospect is excellent.
Description
Technical field
The light sources technical field of the endoscope that the present invention relates to use in the medical treatment, particularly a kind of light supply apparatus and fault detection method that is used for endoscope.
Background technology
Along with endoscope's development of (comprising conventional endoscope and fujinon electronic video endoscope), and people are to the raising of diagnosis requirement, and the endoscope light source unit that is desirable to provide illumination is can brightness evenly adjustable, and power consumption is lower, and cost is low.The endoscope light source unit of traditional approach all adopts a powerful Halogen light or xenon lamp as main light source, and the light emitting diode of a high brightness (LED) lamp is as being equipped with light source.The main light source start is a full power operation, regulates luminous flux through the different apertures of regulating on the light path, and then regulates the brightness of light.
At present, having a kind of new light supply apparatus is the back to be lighted in a plurality of LED lamp follow procedure controls see off through light guide member, does not need stand-by power supply, thus the method for control light-source brightness.
The conventional lighting sources device all has such or such deficiency, such as: for traditional approach, owing to be that main light source is fixed, regulate brightness through the mode of regulating light-path, must make complex equipments, power consumption is big; Although adopt the programme-control scheme of LED multi-path easy to operate, the Rotation Design of light guide member is very complicated, thereby cost is high, and the spectrum of LED lamp is narrower, can't reach the scope of visible light, influences the richness of photographic images.
Summary of the invention
The embodiment of the invention is to provide a kind of light supply apparatus and fault detection method that is used for endoscope, neither needs standby power source, can reduce cost again, can also carry out fault detect.
The embodiment of the invention provides a kind of light supply apparatus that is used for endoscope, comprising:
At least two group light sources, with the same number of driving control unit of group, light path synthesis unit, lamp inspection measurement unit and the system control unit of light source, wherein,
Said at least two group light sources according to the control of said driving control unit, send the illumination light of respective strengths;
Driving control unit converts civil power into said light source required voltage and electric current, and said light source required voltage and electric current after the conversion are sent to light source; Convert civil power into said system control unit needed voltage, be said system control unit power supply;
The light path synthesis unit receives the light beam of two-way at least that said light source sends, and is a branch of directional light with said beam treatment, delivers to endoscope's interface;
The lamp inspection measurement unit receives the light beam of two-way at least that said light source sends, and converts every bundle light into current signal respectively, delivers to system control unit after said current signal is nursed one's health;
System control unit receives the current signal from said lamp inspection measurement unit, carries out fault detect according to said current signal, when detecting fault, sends warning message.
Wherein, said light source is middle low-power Halogen light.
Wherein, said system control unit comprises:
AD conversion unit is a digital signal with the conversion of signals after conditioning from the lamp inspection measurement unit that receives, and sends into microprocessor;
Microprocessor converts said digital signal the data of expression light intensity into, and when judging said data and being lower than preset fault threshold, the notice alarm unit;
Alarm unit sends warning message according to the notice that receives.
Wherein, said system control unit also comprises:
The instruction input block converts the light intensity regulating command from the user that receives into said microprocessor and can send to microprocessor after the identified information;
Said microprocessor also sends regulating command according to the light intensity regulating command that receives to driving control unit;
Said driving control unit, according to the light intensity regulating command that receives, adjustment exports the electric current of said light source to, to regulate the illumination light intensity of sending of light source.
Wherein, said system control unit also comprises the air pressure control unit, and said light supply apparatus also comprises electromagnetic pump;
Said instruction input block also receives the air pressure control instruction from the user, converts said air pressure control instruction into said microprocessor and can send to microprocessor after the identified information;
Said microprocessor also sends the air pressure control instruction according to the air pressure control instruction that receives to the air pressure control unit;
Said air pressure control unit according to the air pressure control instruction that receives, sends the operation indication to electromagnetic pump;
Said electromagnetic pump according to the operation indication that receives, is carried out corresponding actions.
Wherein, said driving control unit comprises:
Isolate voltage transformation unit, be transferred to rectification unit after converting civil power into low-voltage AC;
Rectification unit converts said low-voltage AC into low-voltage DC;
Constant pressure source converts said low-voltage DC the constant constant pressure source output of into electric current variable voltage, to supply power to light source and system control unit;
Current regulation unit according to the light intensity regulating command that receives, is regulated the resistance of different capacity, to export the pairing electric current of said light intensity regulating command.
Wherein, said light path synthesis unit comprises:
The light beam synthesis unit receives the two light beams at least from light source, synthesizes a light beams;
The battery of lens unit pools directional light with said light beam, for output;
Light barrier need not be to endoscope's outgoing beam the time, blocks the directional light through the output of battery of lens unit.
Wherein, said light supply apparatus also comprises:
Heat-sink unit, the heat that said light source and said driving control unit are given out carries out heat exchange process, to reduce the temperature around said light source and the said driving control unit.
The embodiment of the invention also provides a kind of fault detection method, is used for the light supply apparatus of endoscope is carried out fault detect, and said method comprises:
Reception converts said optical signal into the data of expression light intensity from the optical signal of said light source;
Whether the data of judging said expression light intensity are lower than preset fault threshold, if then send warning message.
Wherein, said detection method is regularly carried out or is carried out according to the user instruction that receives.
Use the embodiment of the invention,, therefore do not need standby power source owing to adopted at least two group light sources; Again because simple in structure and reduced cost, and, can also carry out fault detect; Implementation structure is simple, more can be accepted by doctor and patient, thereby it has good market prospect.
Have again, use the present invention and implement, the air pressure that can change light intensity uniformly and be sent to endoscope's mouth according to user's needs, simple to operation, the user experiences.
In addition, on the basis of fault detect, can also carry out the lamp life tests, avoid the waste that causes owing to too early replacing lamp and crossed the replacing loss that lamp caused.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention; The accompanying drawing of required use is done to introduce simply in will describing embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation according to the light supply apparatus that is used for endoscope of the embodiment of the invention;
Fig. 2 is the structural representation according to the system control unit 3 of the embodiment of the invention;
Fig. 3 is the structural representation according to the driving control unit 2 of the embodiment of the invention;
Fig. 4 is the structural representation according to the light path synthesis unit 5 of the embodiment of the invention;
Fig. 5 is the structural representation according to the lamp inspection measurement unit 4 of the embodiment of the invention;
Fig. 6 is the fault detection method flow chart according to the embodiment of the invention.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Referring to Fig. 1; It is the structural representation according to the light supply apparatus that is used for endoscope of the embodiment of the invention; This light supply apparatus specifically can comprise: at least two group light sources 1, with the same number of driving control unit of the group of light source 2, light path synthesis unit 5, lamp inspection measurement unit 4 and system control unit 3; Wherein
Above-mentioned at least two group light sources 1 according to the control of driving control unit 2, send the illumination light of respective strengths;
Wherein, above-mentioned light source is middle low-power Halogen light.A kind of preferred embodiment is to comprise two groups of light sources, at this moment, comprises low-power Halogen light in the two-way in the above-mentioned light source.
Light path synthesis unit 5 receives the light beam of two-way at least that light source 1 sends, and is a branch of directional light with this beam treatment, delivers to endoscope's interface 6;
Lamp inspection measurement unit 4 receives the light beam of two-way at least that light source 1 sends, and converts every bundle light into current signal respectively, and said current signal is nursed one's health as delivering to system control unit 3 after the amplification filtering processing;
System control unit 3 receives the current signal from lamp inspection measurement unit 4, carries out fault detect according to this current signal, when detecting fault, sends warning message.
Need to prove that said system control unit 3 can also carry out the lamp life tests on the basis of carrying out fault detect, arrive lamp during service life detecting, send warning message.
Need to prove that above-mentioned light supply apparatus can also comprise: electromagnetic pump 7 and/or heat-sink unit 8, for electromagnetic pump 7, can under the control of system control unit 3, required Pneumatic pipe cleaner be crossed the gas channels of endoscope's interface 6 and see off; For heat-sink unit 8, can carry out heat exchange process to stating the heat that light source 1 and 2 driving control unit 2 are given out, to reduce the temperature around light source 1 and the driving control unit 2.Here; Heat abstractor 8 can be radiator, fan, water cooling plant etc.; The embodiment of the invention is not done qualification to the concrete implementation of heat abstractor, any can accomplish to the heat of light source 1 and driving control unit 2 carry out the Rapid Thermal exchange, can to reach thermally equilibrated equipment.
Elaborate again in the face of above-mentioned each unit down.
Referring to Fig. 2, it is the structural representation according to the system control unit 3 of the embodiment of the invention, and this system control unit 3 can specifically comprise:
Microprocessor 20 converts aforementioned digital signal the data of expression light intensity into, and when judging these data and being lower than preset fault threshold A, notice alarm unit 28;
Alarm unit 28 sends warning message according to the notice that receives.
Here, warning message can be sound, light, electricity one of them or combination in any, and in this article, the concrete manifestation form to warning message does not limit, and any form that can reach the warning effect can be applied to the embodiment of the invention.
At this, a kind of possible form is, alarm unit 28 comprises display unit 24 and/or buzzer 23, and wherein, display unit 24 can be LED or LCD display or LED light etc., among this paper, the concrete implementation of display unit 24 is not done qualification.
Need to prove that above-mentioned system shown in Figure 2 control unit 3 can also comprise:
Instruction input block 21 converts the light intensity regulating command from the user that receives into microprocessor 20 and can send to microprocessor after the identified information; At this moment, microprocessor 20 also sends regulating command according to the light intensity regulating command that receives to driving control unit 2; Driving control unit 2 is according to the light intensity regulating command that receives, and adjustment exports the electric current of light source 1 to, to regulate the illumination light intensity of sending of light source.
For example, the user hopes to increase brightness according to current needs; Then can send the regulating command that strengthens light intensity, the instruction transformation from the user that instruction input block 21 will receive is that little processing can send to microprocessor 20 after the identified information, and microprocessor 20 sends regulating command to indicate its increase electric current for driving control unit 2; The voltage that driving control unit 2 exports light source to is constant; Electric current will increase, and at this moment, the light intensity of the illumination light that light source sent increases.
Need to prove, can also comprise electromagnetic pump 7 for light supply apparatus shown in Figure 1, at this moment, system shown in Figure 2 control unit 3 can also comprise air pressure control unit 25, like this,
Instruction input block 21 can also receive the air pressure control instruction from the user, converts the air pressure control instruction into microprocessor 20 and can send to microprocessor 20 after the identified information; Microprocessor 20 can also send the air pressure control instruction to the air pressure control unit according to the air pressure control instruction that receives; Air pressure control unit 25 sends the operation indication according to the air pressure control instruction that receives to electromagnetic pump 7; Electromagnetic pump 7 is carried out corresponding actions according to the operation indication that receives.Here, the corresponding operating of electromagnetic pump 7 execution comprises unlatching, closes, increases air pressure, reduces air pressure etc.
For example; According to current needs; The user hopes to reduce air pressure; Then can send the control instruction that reduces air pressure, instruction input block 21 is that microprocessor 20 can send to microprocessor 20 after the identified information with the instruction transformation that receives, and microprocessor 20 sends the instruction that reduces air pressure for air pressure control unit 25; Air pressure control unit 25 sends the operation indication according to the air pressure control instruction that reduces air pressure that receives to electromagnetic pump 7, and electromagnetic pump 7 reduces the air pressure seen off to the gas channels of endoscope's interface 6.
Need to prove; Above-mentioned instruction input block 21 can be a button; Can line traffic control, can remote control, the embodiment of the invention is not done qualification to the concrete implementation of instruction input block 21; Can receive user instruction as long as have, and convert user instruction into function that microprocessor can identifying information and get final product.
Need to prove; When detecting fault, the data and the preset lifetime threshold B that also convert aforementioned digital signal into the expression light intensity compare at microprocessor 20, are judging when being lower than lifetime threshold B; Notice alarm unit 28 sends warning message by alarm unit.
Referring to Fig. 3, it is the structural representation according to the driving control unit 2 of the embodiment of the invention, and this driving control unit 2 specifically comprises:
Isolate voltage transformation unit 11, be transferred to rectification unit 12 after converting civil power into low-voltage AC; For example, can isolate transformation handles so that civil power converts low-voltage AC into;
Referring to Fig. 4, it is the structural representation according to the light path synthesis unit 5 of the embodiment of the invention, and this light path synthesis unit 5 specifically comprises:
Light beam synthesis unit 17 receives the two light beams at least from light source 1, synthesizes a light beams; For example, when light source is two groups, can receive from the light beam A 15 of light source 1 and the two-way illumination light of light beam B16;
Battery of lens unit 18 pools directional light with said light beam, for output; Can reduce light loss to greatest extent in this way;
Light barrier 19 need not be to endoscope's outgoing beam the time, blocks the directional light through the output of battery of lens unit.Like this, in the time of can guaranteeing to insert, shelter from the directional light that the battery of lens unit penetrates through endoscope's interface 6 in endoscope, thus support equipment and user of service's safety.
Need to prove that the leaded light groove of " Y " shape is arranged in light path synthesis unit 5, send into endoscope's interface 6 places so that will concentrate from the light beam of light source.
Referring to Fig. 5, it is the structural representation according to the lamp inspection measurement unit 4 of the embodiment of the invention, and this lamp inspection measurement unit 4 specifically comprises:
Use the light supply apparatus that the embodiment of the invention provides,, therefore do not need standby power source owing to adopted at least two group light sources, again because simple in structure and reduced cost, and, can also carry out fault detect, thereby it has good market prospect.
Have again, use the light supply apparatus that the embodiment of the invention provided, the air pressure that can change light intensity uniformly and be sent to endoscope's mouth according to user's needs, simple to operation, the user experiences.
In addition, on the basis of fault detect, can also carry out the lamp life tests, avoid the waste that causes owing to too early replacing lamp and crossed the replacing loss that lamp caused.
Referring to Fig. 6, it is the fault detection method flow chart according to the embodiment of the invention, and this detection method is used for the light supply apparatus of endoscope is carried out fault detect, specifically comprises:
Step 601 receives the optical signal from said light source, said optical signal is converted into the data of expression light intensity;
Step 602 judges whether the data of said expression light intensity are lower than preset fault threshold, if; Then execution in step 603, send warning message, with the lamp in the prompting user light source fault arranged; Thereby reminding user to replace illuminating lamp or keep in repair detection; Finish, otherwise the current detection EO normally returns and carries out other system task.
Need to prove that above-mentioned detection method can regularly be carried out or carry out according to the user instruction that receives.
Need to prove do not have in detection on the basis of fault, can also improve the life-span of lamp is detected, concrete, receive optical signal from said light source, said optical signal is converted into the data of expression light intensity; Whether the data of judging said expression light intensity are lower than preset lifetime threshold, if, then send warning message, change lamp with the prompting user, otherwise the current detection EO returns normally and carries out other system task.
Use the method that the embodiment of the invention provides,, therefore do not need standby power source owing to adopted at least two group light sources, again because simple in structure and reduced cost, and, can also carry out fault detect, thereby it has good market prospect.
Have again, use the method for the embodiment of the invention, on the basis of fault detect, can also carry out the lamp life tests, avoided the waste that causes owing to too early replacing lamp and crossed the replacing loss that lamp caused.
For method was executed example, because it is basically similar in appearance to device embodiment, so description is fairly simple, relevant part got final product referring to the part explanation of device embodiment.
Need to prove; In this article; Term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability; Thereby make to comprise that process, method, article or the equipment of a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or also be included as this process, method, article or the inherent key element of equipment.Under the situation that do not having much more more restrictions, the key element that limits by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises said key element and also have other identical element.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.All any modifications of within spirit of the present invention and principle, being done, be equal to replacement, improvement etc., all be included in protection scope of the present invention.
Claims (8)
1. a light supply apparatus that is used for endoscope is characterized in that, comprising:
At least two group light sources, with the same number of driving control unit of group, light path synthesis unit, lamp inspection measurement unit and the system control unit of light source, wherein,
Said at least two group light sources according to the control of said driving control unit, send the illumination light of respective strengths, and wherein, said at least two group light sources throw light on simultaneously;
Driving control unit converts civil power into said light source required voltage and electric current, and said light source required voltage and electric current after the conversion are sent to light source; Convert civil power into said system control unit needed voltage, be said system control unit power supply;
The light path synthesis unit receives the light beam of two-way at least that said light source sends, and is a branch of directional light with said beam treatment, delivers to endoscope's interface;
The lamp inspection measurement unit receives the light beam of two-way at least that said light source sends, and converts every bundle light into current signal respectively, delivers to system control unit after said current signal is nursed one's health;
System control unit receives the current signal from said lamp inspection measurement unit, carries out fault detect according to said current signal, when detecting fault, sends warning message.
2. light supply apparatus according to claim 1 is characterized in that, said light source is middle low-power Halogen light.
3. light supply apparatus according to claim 1 is characterized in that, said system control unit comprises:
AD conversion unit is a digital signal with the conversion of signals after conditioning from the lamp inspection measurement unit that receives, and sends into microprocessor;
Microprocessor converts said digital signal the data of expression light intensity into, and when judging said data and being lower than preset fault threshold, the notice alarm unit;
Alarm unit sends warning message according to the notice that receives.
4. light supply apparatus according to claim 3 is characterized in that, said system control unit also comprises:
The instruction input block converts the light intensity regulating command from the user that receives into said microprocessor and can send to microprocessor after the identified information;
Said microprocessor also sends regulating command according to the light intensity regulating command that receives to driving control unit;
Said driving control unit, according to the light intensity regulating command that receives, adjustment exports the electric current of said light source to, to regulate the illumination light intensity of sending of light source.
5. light supply apparatus according to claim 4 is characterized in that said system control unit also comprises the air pressure control unit, and said light supply apparatus also comprises electromagnetic pump;
Said instruction input block also receives the air pressure control instruction from the user, converts said air pressure control instruction into said microprocessor and can send to microprocessor after the identified information;
Said microprocessor also sends the air pressure control instruction according to the air pressure control instruction that receives to the air pressure control unit;
Said air pressure control unit according to the air pressure control instruction that receives, sends the operation indication to electromagnetic pump;
Said electromagnetic pump according to the operation indication that receives, is carried out corresponding actions.
6. light supply apparatus according to claim 4 is characterized in that, said driving control unit comprises:
Isolate voltage transformation unit, be transferred to rectification unit after converting civil power into low-voltage AC;
Rectification unit converts said low-voltage AC into low-voltage DC;
Constant pressure source converts said low-voltage DC the constant constant pressure source output of into electric current variable voltage, to supply power to light source and system control unit;
Current regulation unit according to the light intensity regulating command that receives, is regulated the resistance of different capacity, to export the pairing electric current of said light intensity regulating command.
7. light supply apparatus according to claim 1 is characterized in that, said light path synthesis unit comprises:
The light beam synthesis unit receives the two light beams at least from light source, synthesizes a light beams;
The battery of lens unit pools directional light with said light beam, for output;
Light barrier need not be to endoscope's outgoing beam the time, blocks the directional light through the output of battery of lens unit.
8. according to claim 1 or 5 described light supply apparatuses, it is characterized in that said light supply apparatus also comprises:
Heat-sink unit, the heat that said light source and said driving control unit are given out carries out heat exchange process, to reduce the temperature around said light source and the said driving control unit.
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| CN103654703B (en) * | 2013-11-22 | 2015-07-08 | 杭州大力神医疗器械有限公司 | Electronic digital endoscope |
| JP6442524B2 (en) * | 2014-11-18 | 2018-12-19 | オリンパス株式会社 | Endoscope light source system |
| CN110220673A (en) * | 2018-03-02 | 2019-09-10 | 谱钜科技股份有限公司 | The light source of spectrometer measures monitoring method and its system |
| CN108577794A (en) * | 2018-05-16 | 2018-09-28 | 广东欧谱曼迪科技有限公司 | A kind of Medical endoscope cold light source stand-by lamp automatic switchover system and method |
| CN109157182A (en) * | 2018-07-27 | 2019-01-08 | 深圳百炼光特种照明有限公司 | A kind of self- recoverage light source and its self-recovery method |
| CN111260604B (en) * | 2018-11-30 | 2023-09-19 | 浙江宇视科技有限公司 | Light supplementing lamp fault detection method and device, electronic equipment and readable storage medium |
| CN110720884B (en) * | 2019-10-22 | 2022-04-01 | 深圳开立生物医疗科技股份有限公司 | Fault processing method and device, endoscope light source and endoscope system |
| CN112998627B (en) * | 2021-03-03 | 2022-07-01 | 重庆金山医疗技术研究院有限公司 | Endoscope light flux automatic detection compensation method and endoscope system |
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|---|---|
| CN102048516A (en) | 2011-05-11 |
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