CN218845917U - Optical system and operating lamp - Google Patents

Optical system and operating lamp Download PDF

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Publication number
CN218845917U
CN218845917U CN202320079742.2U CN202320079742U CN218845917U CN 218845917 U CN218845917 U CN 218845917U CN 202320079742 U CN202320079742 U CN 202320079742U CN 218845917 U CN218845917 U CN 218845917U
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China
Prior art keywords
light
optical system
module
cup
optical
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CN202320079742.2U
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Inventor
李东旭
于明涛
宋江伟
郑晨
何乐乐
张英成
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Shinva Medical Instrument Co Ltd
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Shinva Medical Instrument Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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Abstract

The utility model discloses an optical system and an operating lamp, wherein the optical system comprises a plurality of branch illumination modules which are distributed around a main optical axis and formed, and each illumination module comprises a plurality of optical modules; the optical module comprises a reflecting cup and LED lamps, wherein the LED lamps are fixed in the reflecting cup and used for providing light sources, and the direction of the light sources and the direction of the main optical axis form a certain included angle which is adjustable; the inner wall of the reflecting cup is a continuous cambered surface, and light emitted by the light source can be emitted after being totally reflected by the inner wall. Above-mentioned optical system utilizes the total reflection principle of light, through the cooperation angle between design anti-light cup and the LED lamp, makes different LED lamp light-emitting can form different light columns and mutually support to the realization carries out the purpose of plastic to the light that the light source sent, has better shadowless effect when guaranteeing to throw light on.

Description

Optical system and operating lamp
Technical Field
The utility model relates to the technical field of medical equipment, more specifically say, relate to an optical system. In addition, the utility model discloses still relate to an operating lamp including above-mentioned optical system.
Background
With the development of lighting technology, the LED operating shadowless lamp is classified according to the optical principle when the LED operating shadowless lamp is in the historical stage for the first time, the types of optical systems of the LED operating shadowless lamp are few, and the existing integral reflection type operating shadowless lamp and prism refraction type operating shadowless lamp are on the market. The LED operation shadowless lamp abandons the thick and heavy design concept of an old hole type shadowless lamp, has the characteristics of convenient use, light material and thin lamp panel, does not influence the laminar flow effect of a clean operating room, becomes the focus of the industry and hospitals, considers the comfort degree influence on eyes of medical workers and the operation requirements of different departments, and has the technical requirements of color temperature, color rendering index and other chromaticity parameters, adjustable spot size, illuminance and the like as key points to be considered by research and development personnel of medical equipment.
However, the optical design of the existing shadowless lamp product does not achieve a good shadowless effect due to the shallow development depth. As shown in fig. 1, in the operating lamp, a combined optical component of a condenser lens 04 and a reflector cup 03 is adopted, an optical integrator rod 02 is arranged between the reflector cup 03 and a light source 01 to uniformly mix light emitted by the light source and then guide the light out of the reflector cup 03, and the light is shaped by the condenser lens 04, so that light spots obtained by the light guided out by the optical integrator rod 02 after passing through the condenser lens 04 are consistent with the optical integrator rod 02 to ensure a shadowless lighting effect. However, a relatively stable fixing member is required to fix the condensing lens 04 and the reflecting cup 03, and if the fixing is not firm or stable, the shadowless effect of illumination is poor.
In summary, how to ensure a better shadowless effect in illumination is a problem to be urgently solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an optical system, this optical system utilizes the total reflection principle of light, through the cooperation angle between design anti-light cup and the LED lamp, makes different LED lamp light-emitting can form different light columns and mutually support to the realization carries out the purpose of plastic to the light that the light source sent, has better shadowless effect when guaranteeing the illumination. Another object of the present invention is to provide an operating lamp including the above optical system.
In order to achieve the above object, the present invention provides the following technical solutions:
an optical system comprising a lighting module comprising a plurality of branches arranged about a main optical axis, said lighting module comprising a plurality of optical modules; the optical module comprises a reflecting cup and a plurality of LED lamps, the LED lamps are fixed in the reflecting cup and used for providing light sources, and the direction of light emitted by the light sources and the direction of the main optical axis form a certain included angle which is adjustable; the inner wall of the reflecting cup is a continuous cambered surface, and the light emitted by the light source can be emitted after being totally reflected by the inner wall.
Preferably, the lighting module is in signal connection with a control circuit, and the control circuit is configured to adjust the power of the lighting module of each branch separately.
Preferably, the control circuit is in signal connection with each LED lamp.
Preferably, one side of the reflecting cup, which is far away from the light source ejection opening, is connected with a heat dissipation module, and the LED lamp is fixed on the heat dissipation module.
Preferably, the heat dissipation module is connected with a circuit board, and the circuit board is provided with a plurality of LED lamps.
Preferably, the circuit board is provided with a plurality of first connection holes for connecting with the heat dissipation module.
Preferably, the bottom of the heat dissipation module is provided with a clamping groove for fixedly connecting with the reflection cup.
The utility model also provides an operating lamp, which comprises a framework; an optical system according to any one of the above, wherein the optical system is fixed to the frame.
Preferably, the total thickness of the optical system is less than or equal to 4cm.
The utility model provides an optical system, including a plurality of circles of lighting modules arranged around the main optical axis, the lighting modules include a plurality of optical modules, the optical modules can be arranged at will, and the angle and the position can be adjusted at any time when the arrangement is carried out; the optical module comprises a reflecting cup and an LED lamp, wherein the inner wall of the reflecting cup is a continuous cambered surface, and light emitted by the LED lamp can be emitted after being totally reflected by the inner wall; the direction of the light emitted by the LED lamp and the direction of the main optical axis form a certain included angle, and the included angle is adjustable, and different LED lamp light emitting can form different light columns to be matched with each other by designing the matching angle between the reflecting cup and the LED lamp, so that a better shadowless effect is achieved during illumination. This optical system utilizes the total reflection principle of light, through the setting of LED lamp and anti-light cup, jets out after the light that sends the light source is total reflection of anti-light cup inner wall, and the contained angle is adjustable between light source direction and the primary optical axis direction, can adjust as required and have better shadowless effect when guaranteeing the illumination.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art design;
fig. 2 is a schematic structural diagram of an optical system provided in the present invention;
fig. 3 is a front view of an optical system provided by the present invention;
fig. 4 is a back perspective view of an optical system provided by the present invention;
fig. 5 is a side view of an optical system provided by the present invention;
fig. 6 is a schematic structural diagram of an optical module provided in the present invention;
fig. 7 is a front view of an optical module provided by the present invention;
fig. 8 is a rear perspective view of an optical module provided by the present invention;
fig. 9 is a side view of an optical module provided by the present invention;
fig. 10 is a schematic structural diagram of a circuit board provided by the present invention;
fig. 11 is a schematic structural diagram of a heat dissipation module according to the present invention.
In fig. 1 to 11, reference numerals include:
a light source 01, an optical integrating rod 02, a reflecting cup 03 and a condensing lens 04;
an optical module 1;
the LED lamp comprises a reflecting cup 11, a circuit board 12, a heat dissipation module 13 and a fixing piece 14;
the LED lamp comprises a card seat 111, an LED lamp 121, a first connecting hole 122, a second connecting hole 131 and a card slot 132.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
The core of the utility model is to provide an optical system, this optical system utilizes the total reflection principle of light, through LED lamp 121 and the setting of anti-light cup 11, jets out the light that sends the light source after 11 inner walls total reflections of anti-light cup, and the contained angle is adjustable between the direction of the light that the light source of LED lamp 121 sent and the primary optical axis direction, can adjust as required to have better shadowless effect when guaranteeing the illumination. The other core of the utility model is to provide an operating lamp including above-mentioned optical system.
The utility model provides an optical system is including arranging the lighting module of a plurality of branch road of formation around main optical axis, and optical system wholly can be cyclic annularly, arranges a plurality of circles lighting module of formation around main optical axis, and from interior to exterior can arrange many circles, and the position is not injectd, and the mode of arranging between each circle layer is also not injectd, reaches better illuminating effect can.
Optionally, the whole optical system may also be in a windmill shape, a strip shape, or the like, and the lighting modules may also be arranged in a row or in a random manner as required, and are not limited to the ring-shaped arrangement.
The lighting module includes a plurality of optical modules 1, please refer to fig. 2 to 5, and the angle, position, distance and arrangement between adjacent optical modules 1 are not limited, so as to achieve a better lighting effect.
Referring to fig. 6, the optical module 1 includes a reflective cup 11 and a plurality of LED lamps 121, and the plurality of LED lamps 121 are fixed in the reflective cup 11 for providing a light source. The LED lamp 121 can be uniformly arranged in a plurality of axial directions of the reflecting cup 11, and one or more LED lamps can be randomly arranged, so that the angle between the reflecting cup 11 and the LED lamp 121 is not limited, and a better shadowless effect can be obtained.
The inner wall of the reflecting cup 11 is a continuous cambered surface, and the whole reflecting cup 11 can be bowl-shaped or petal-shaped. The light generated by the LED lamp 121 can be totally reflected by the inner wall and then emitted out to form a beam of light beam to be applied to the operating table. The direction of the light generated by the LED lamp 121 and the direction of the main optical axis form a certain included angle and the included angle is adjustable, the light emitting angle of different LED lamps 121 is adjustable and can form a light pillar which is matched with each other to emit, so as to bring a superior shadowless effect, reduce the working area shadow caused by the local shielding of the operator to the maximum extent, and provide enough central illumination for the body part of the patient during the operation.
The light source and the main optical axis are adjusted by the angle between the LED lamp 121 and the reflector 11.
Optionally, the reflector cup 11 can be adapted to any divergence angle of the LED lamp 121, preferably, but not limited to, a divergence angle of 120 °.
The LED lamp 121 is a cold white LED lamp or a warm white LED lamp, and the cold white LED lamp and the warm white LED lamp have different color temperatures and luminances, and can provide the color temperature and luminance of the entire optical system in a matching manner. In the optical system, the use number and the placing position of the cold white light LED lamp and the warm white light LED lamp are not limited, and the cold white light LED lamp and the warm white light LED lamp can be arranged in a ring layer or alternatively arranged in a cross way. Fig. 2 to 5 are merely one embodiment, and do not limit other forms.
The cold white light LED lamp and the warm white light LED lamp are matched for use, so that the light of the operating lamp of the optical system can be ensured to restore the daylight color, the sufficient brightness can be ensured, and the energy-saving and environment-friendly effects are achieved.
When the optical system is actually used, the LED lamps 121 with different colors, such as yellow, green, red, etc., can be set according to the colors of actually required light spots, and are not limited to cold white LED lamps and warm white LED lamps.
The optical system comprises a plurality of branch illumination modules which are arranged around a main optical axis to form a plurality of branches, each illumination module comprises a plurality of optical modules 1, the optical modules 1 can be randomly arranged, and the angles and the positions can be adjusted at any time when the optical modules are arranged; the optical module 1 comprises a reflecting cup 11 and an LED lamp 121, wherein the inner wall of the reflecting cup 11 is a continuous cambered surface, and light emitted by the LED lamp 121 can be emitted after being totally reflected by the inner wall; the direction of the light that the light source of LED lamp 121 sent becomes certain contained angle and this contained angle is adjustable with the primary optical axis direction, through the cooperation angle between design anti-light cup 11 and the LED lamp 121, makes different LED lamp 121 light-emitting can form different light columns and mutually support to the realization carries out the purpose of plastic to the light that the light source sent, has better shadowless effect when guaranteeing the illumination. This optical system utilizes the total reflection principle of light, through the setting of LED lamp 121 and anti-light cup 11, jets out after the light that sends the light source is total reflection of anti-light cup 11 inner wall, and the contained angle is adjustable between the direction of the light that the light source sent and the primary optical axis direction, can adjust as required to have better shadowless effect when guaranteeing the illumination.
On the basis of any of the above embodiments, the lighting module is in signal connection with a control circuit, and the control circuit can be used to adjust the power of the lighting module of each branch circuit respectively.
The utility model provides an optical system includes a plurality of branch road lighting module, the lighting module's of each branch road power of control circuit adjustable. Specifically, the lighting module of each branch circuit can be respectively connected with the control circuit by signals so as to correspondingly adjust the power of the lighting module. For example, the illumination module with a cold white LED lamp and the illumination module with a warm white LED lamp can be correspondingly adjusted to adjust the power ratio of the cold white LED lamp or the warm white LED lamp in the system, so as to adjust the illuminance, brightness, and color temperature of the illumination modules of different branches, further adjust the size of the light spot and the shadowless rate, and ensure the illumination effect of the whole system.
It should be noted that the arrangement manner of the lighting modules of each branch is not limited, and is not limited to a certain row, a certain column, or a certain circle layer.
On the basis of any of the above embodiments, the control circuit is in signal connection with each of the LED lamps 121.
The control circuit is in signal connection with each LED lamp 121, and can be used to adjust the illuminance of a plurality of cold white LED lamps or warm white LED lamps included in the optical system. Specifically, the cold white LED lamp is driven and controlled by a first constant voltage circuit or a first constant current circuit; the warm white LED lamp is driven and controlled by the second constant voltage circuit or the second constant current circuit, and the control circuit acts on the first constant voltage circuit or the first constant current circuit, the second constant voltage circuit or the second constant current circuit to correspondingly adjust the illumination of the LED lamp 121.
That is, the LED lamps 121 distributed at any position on the optical system are not limited by type and distance, and the illuminance of the LED lamps can be independently adjusted by the control circuit to adjust the size of the light spot, so as to adjust the illumination effect and ensure the best shadowless effect.
The electric control logic can be designed by combining actual use conditions to adjust parameters such as power, brightness and illumination of the LED lamps 121 at different positions, the illumination of the light spot center is changed, a control circuit can be designed independently, the power adjustable range of the LED lamps 121 of the whole optical system is expanded, the upper limit of a shadowless effect is improved, the adjustment of the working state is carried out at any time, the operation is simple, and the applicability is strong.
The LED lamp 121 in this embodiment may be a cold white LED lamp or a warm white LED lamp, but these two types are only a specific implementation, and may also be other color LED lamps or other combined LED lamps, which are designed according to the practical application.
On the basis of any of the above embodiments, the side of the reflective cup 11 away from the light source outlet is connected to the heat dissipation module 13, and the led lamp 121 is fixed on the heat dissipation module 13.
Referring to fig. 6 to 8, the heat dissipation module 13 is disposed at the bottom of the reflective cup 11, away from the light source emitting opening of the reflective cup 11, and the heat dissipation module 13 is connected to the reflective cup 11 in any of screw connection, clamping connection, nesting connection, and bonding connection, without limiting the fixing manner.
The plurality of LED lamps 121 are disposed on the periphery of the heat dissipation module 13, in this embodiment, 3 LED lamps 121 may be disposed, and three LED lamps 121 are rotationally and symmetrically distributed in the reflective cup 11 with the main optical axis of the reflective cup 11 as the center, that is, an included angle formed between every two LED lamps 121 is 120 °. The three LED lamps 121 may provide light sources of different or same types, and the illuminance, color temperature, and color rendering index may be adjusted by the control circuit.
Optionally, the number of the LED lamps 121 arranged in the reflective cup 11 is not limited to 3, and is not limited to rotational symmetric distribution, so that light emitted from the light source can be reflected on the inner wall of the reflective cup 11 under the condition of meeting the use requirement, and a better illumination effect can be ensured.
On the basis of any of the above embodiments, the heat dissipation module 13 is connected to a circuit board 12, and the circuit board 12 is provided with a plurality of LED lamps 121.
Referring to fig. 10, a plurality of LED lamps 121 are disposed on the periphery of the circuit board 12, and the circuit board 12 is fixed to the outer side of the heat dissipation module 13, without limiting the fixing manner, the circuit board and the heat dissipation module can be firmly connected to each other.
The LED lamp 121 is fixed on the circuit board 12, the circuit board 12 is fixed on the heat dissipation module 13, and finally the heat dissipation module 13 and the reflection cup 11 are fixed, so that the single optical module 1 can be mounted.
On the basis of any of the above embodiments, the circuit board 12 is provided with a plurality of first connection holes 122 for connecting with the heat dissipation module 13.
Referring to fig. 10 and 11, the LED lamp 121 is provided with first connection holes 122 at two sides thereof, but not limited to this position, and correspondingly, the heat dissipation module 13 is provided with corresponding second connection holes 131, and the heat dissipation module 13 can be reliably connected to the circuit board 12 by fastening members passing through the first connection holes 122 and the second connection holes 131.
On the basis of any of the above embodiments, the bottom of the heat dissipation module 13 is provided with a clamping groove 132 for fixedly connecting with the reflective cup 11.
Referring to fig. 11, three clamping grooves 132 are disposed and are symmetrically distributed around the center of the heat dissipation module 13. When the reflection cup 11 and the heat dissipation module 13 are fixedly installed, the reflection cup and the heat dissipation module are clamped firstly, and then are fixed through the fixing piece 14 after clamping, so that the fixing strength between the reflection cup and the heat dissipation module can be improved.
Optionally, the number and the position of the clamping grooves 132 are not limited, and the use requirements are met.
Optionally, the heat dissipation module 13 may also be directly and fixedly connected with the reflective cup 11, without being limited to the connection manner.
The total thickness of the optical system is less than or equal to 4cm, the thickness of the reflecting cup 11 is less than or equal to 3cm, the burden of an operating lamp framework using the optical system can be reduced, the thickness and the weight of the operating lamp using the optical system are reduced to the minimum as far as possible, meanwhile, the heat dissipation of the operating lamp is facilitated, and the movement is convenient.
The optical system may also include a catadioptric LED lens and an LED lamp 121, and the light emitted from the light source is shaped by the catadioptric LED lens and then emitted from the front surface of the operating lamp, so as to ensure a shadowless effect, minimize a shadow in a working area caused by a partial occlusion by an operator, provide a sufficient central illumination to illuminate a body part of a patient, and provide a sufficient illumination condition for an operation.
In addition to the above optical system, the present invention further provides an operating lamp including the optical system disclosed in the above embodiment, wherein the optical system is fixed on the framework of the operating lamp, specifically, the bottom of the reflection cup 11 is provided with a clamping seat 111 for fixedly connecting with the framework of the operating lamp. The operating lamp also comprises a front shell and a rear shell, wherein the front shell and the rear shell can wrap the optical system and the framework, or the front shell and the rear shell can be connected with the framework to wrap the optical system, so that the whole operating lamp is protected. For the structure of other parts of the operating lamp, please refer to the prior art, and the description is omitted here.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above details are provided for the optical system and the operating lamp provided by the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the scope of the appended claims.

Claims (9)

1. An optical system, characterized by a lighting module comprising several branches arranged around a main optical axis, said lighting module comprising several optical modules (1); the optical module (1) comprises a reflecting cup (11) and a plurality of LED lamps (121), the LED lamps (121) are fixed in the reflecting cup (11) and used for providing light sources, and the direction of light emitted by the light sources and the direction of the main optical axis form a certain included angle which is adjustable; the inner wall of the light reflecting cup (11) is a continuous cambered surface, and the light emitted by the light source can be emitted after being totally reflected by the inner wall.
2. The optical system of claim 1, wherein the illumination module is in signal connection with a control circuit operable to adjust the power of the illumination module of each branch separately.
3. The optical system according to claim 2, wherein the control circuit is in signal connection with each of the LED lamps (121).
4. An optical system as claimed in any one of claims 1 to 3, characterized in that a heat-dissipating module (13) is connected to the side of the reflector cup (11) remote from the light-source outlet, the LED lamp (121) being fastened to the heat-dissipating module (13).
5. The optical system according to claim 4, wherein a circuit board (12) is connected to the heat dissipation module (13), and a plurality of LED lamps (121) are disposed on the circuit board (12).
6. The optical system according to claim 5, wherein the circuit board (12) is provided with a plurality of first connection holes (122) for connecting with the heat sink module (13).
7. The optical system according to claim 6, wherein the bottom of the heat sink module (13) is provided with a locking groove (132) for fixedly connecting with the reflective cup (11).
8. An operating lamp, comprising:
a framework;
an optical system according to any one of claims 1 to 7, said optical system being fixed to said frame.
9. The operatory lamp of claim 8 wherein the total thickness of the optical system is less than or equal to 4cm.
CN202320079742.2U 2023-01-10 2023-01-10 Optical system and operating lamp Active CN218845917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320079742.2U CN218845917U (en) 2023-01-10 2023-01-10 Optical system and operating lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320079742.2U CN218845917U (en) 2023-01-10 2023-01-10 Optical system and operating lamp

Publications (1)

Publication Number Publication Date
CN218845917U true CN218845917U (en) 2023-04-11

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Application Number Title Priority Date Filing Date
CN202320079742.2U Active CN218845917U (en) 2023-01-10 2023-01-10 Optical system and operating lamp

Country Status (1)

Country Link
CN (1) CN218845917U (en)

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