CN207804219U - LED cold light source for medical endoscope device and module - Google Patents
LED cold light source for medical endoscope device and module Download PDFInfo
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- CN207804219U CN207804219U CN201720619450.8U CN201720619450U CN207804219U CN 207804219 U CN207804219 U CN 207804219U CN 201720619450 U CN201720619450 U CN 201720619450U CN 207804219 U CN207804219 U CN 207804219U
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Abstract
The utility model provides a kind of LED cold light source for medical endoscope device and module, including cabinet, drive circuit board is equipped in cabinet, control circuit board, LED component, light collecting device, wherein, control circuit board is coupled with the drive circuit board, the drive circuit board is coupled with the LED component, the light collecting device includes the first light adjustment part and the second light adjustment part being sequentially arranged on the light output direction of the LED component, the first light adjustment part is used to the light that the LED component exports being converted to less parallel light, the second light adjustment part after being converged the less parallel light for exporting.The device is due to the device that light collecting device only includes the adjustment of two light, thus small, light channel structure is simple, assembly and easy to use, of low cost；LED light energy collection efficiency is high, thermal diffusivity is good；The light luminance of output is high, and illumination is abundant.
Description
Technical field
The utility model is related to LED cold light source technical fields, more particularly to a kind of LED cold light source for medical endoscope device and
Module, illumination when for the minimally invasive endoscopy of human body or operation.
Background technology
Existing medical endoscope is mostly used LED cold light sources and is passed illuminating ray by connecting an optical fiber as exterior lighting
It is directed in human body.Wherein, the light that illuminating ray is sent out from LED chip, each angle that lens group thereafter sends out LED chip
The light of degree is collected and converges.But since lens group is made of multiple lens, the light that LED lamp bead is sent out is by saturating
Energy attenuation after microscope group leads to the brightness deterioration of viewing area, to influence the observation and diagnosis of doctor.Meanwhile existing LED is cold
The radiator structure of light source is simple, causes the heat dissipation effect of LED chip bad so that the outgoing brightness deterioration or shakiness of LED
It is fixed, and then shorten the working life；It is or complicated so that the volume of whole device becomes larger, and use is very inconvenient.
Chinese patent 2011100634304 discloses a kind of LED cold light source devices of high brightness.The device is dissipated for LED
Heat problem has done optimization processing, i.e., by way of increasing unthreaded hole radiator and LED light thermal insulator, heat that LED is distributed by
Step is eliminated.Also, LED substrate, LED illuminator, illuminator screening glass, power supply guide plate, LED power connector and collets are encapsulated
Together, the outgoing illumination of LED illuminator is improved.However, heat radiation structure design is excessively complicated, it is unfavorable for installation and unthreaded hole
The replacement of optical device in channel.
Chinese patent 2009101012823 discloses a kind of LED cold light source for medical endoscope.Its structure feature is in lamp box
It is disposed with reflector, prefocus cup, LED light and radiator.Wherein, LED light is uniformly distributed the tablet formed by multiple LED
Structure, reflector are overall structure, are provided with reflective cup aperture thereon, and reflector is applied in combination with prefocus cup, improve LED wide-angles
The collection efficiency of light, improves illuminating effect.It is the involute that Radius does not wait in addition, being additionally provided with light modulation component in lamp box
The barn door of slab construction, the barn door is controlled by motor, is effectively adjusted to output intensity.But reflector and prefocus cup
Requirement to installation positioning is high, and slightly deviation will reduce the coupling efficiency of emergent ray and external fiber, and barn door is long-term
It is illuminated by the light and there is a possibility that deformation, and then influence dimming effect.
Chinese patent 2012203466673 discloses a kind of LED Medical Cold Light Sources using optical fiber.The device increases
The quantity of LED makes brightness output obtain large increase, and increases heat portective switch, prevents LED chip due to temperature is excessively high
Damage.Meanwhile being radiated to LED chip using combined fan, it is with obvious effects.However, the condenser for collecting LED light
Head is made of five lens, this can weaken the brightness output of LED, must increase the quantity of LED to improve brightness output,
But lens group is certain again to the coupling efficiency of LED light, and therefore, multiple LED are also resulted in while improving brightness
The waste of excess energy.
Utility model content
It is existing to solve the purpose of this utility model is to provide a kind of LED cold light source for medical endoscope device and module
LED Medical Cold Light Sources present in complicated, dimming effect is unstable and radiating efficiency is low problem.
To achieve the above object, the utility model provides a kind of LED cold light source for medical endoscope device, including cabinet,
Drive circuit board, control circuit board, LED component, light collecting device are equipped in cabinet, wherein control circuit board and driving electricity
Road plate coupling, the drive circuit board are coupled with the LED component, and the light collecting device includes being sequentially arranged in the LED component
Light output direction on the first light adjustment part and the second light adjustment part, the first light adjustment part will be for will be described
The light of LED component output is converted to less parallel light, and the second light adjustment part is for converging the less parallel light
It is exported after poly-.
Preferably, the first light adjustment part and the second light adjustment part symmetrically and are located at same respectively about center line
On axis.
Preferably, light output device of the first light adjustment part apart from the LED component has the first pre-determined distance,
There is the second pre-determined distance between the first light adjustment part and the second light adjustment part.
Preferably, the first light adjustment part is GRIN Lens or cone stick；The second light adjustment part is convergence
Lens.
Preferably, the light collecting device further includes lighttight shell, the first light adjustment part and the second light tune
One integral piece is fixed at successively in the shell.
Preferably, the LED component includes LED chip, LED installation pedestals, LED fixing brackets, the LED chip is set to
In the LED installation pedestals, the LED installation pedestals are fixed on by the LED fixing brackets in the cabinet.
Preferably, further including fixed bottom plate, the LED component, light collecting device are fixedly installed on the fixed bottom plate successively
On, the fixed bottom plate is fixedly installed in the cabinet.
Preferably, further including radiating subassembly, the radiating subassembly includes heat conducting pipe and cooling fin, and the heat conducting pipe is located at institute
It states at LED component, the cooling fin is connected with the heat conducting pipe.
Preferably, the cabinet is equipped with light source light-emitting window, heat emission hole and fan, the light source light-emitting window is filled set on laser
At the light output position set, the heat emission hole is set at position corresponding with the cooling fin, and the fan is set to the cabinet
Arbitrary side wall on.
The utility model additionally provides a kind of LED cold light source for medical endoscope module, is used for above-mentioned medical endoscope LED
In cold light source device, including the LED component and light collecting device that are fixedly connected, the light collecting device include being sequentially arranged in the LED
The first light adjustment part on the light output direction of component and the second light adjustment part, the first light adjustment part are used for institute
The light for stating LED component output is converted to less parallel light, and the second light adjustment part is used to carry out the less parallel light
It is exported after convergence.
The technical solution of the utility model has the advantage that：
1, since light collecting device is into the device adjusted including two light, thus it is small, light channel structure is simple, assembly and
It is easy to use, of low cost；
2, the LED light energy collection efficiency of the device is high, thermal diffusivity is good；
3, the light luminance exported is high, and illumination is abundant, so that the surgical effect of the endoscope using the light supply apparatus
More preferably.
Description of the drawings
Fig. 1 is the LED cold light source for medical endoscope device internal structure schematic diagram that the preferred embodiment in the utility model provides；
Fig. 2 is the light collecting device internal optics structural schematic diagram that the preferred embodiment in the utility model provides；
Fig. 3 is the index path after GRIN Lens collimates in the preferred embodiment in the utility model.
Label declaration：1- cabinets, 2- power outlets, the first fans of 3-, the second fans of 4-, 5- drive circuit boards, 6- switches
Power supply, 7- control circuit boards, 8-LED chips, 9- light collecting devices, 10-LED installation pedestals, 11-LED fixing brackets, 12- heat conduction
Pipe, 13- cooling fins, 14- fix bottom plate, 15- light sources light-emitting window, 16- heat emission holes, 17- power switches；90- center lines, 91- are certainly
Condenser lens, 92- plus lens, 93- light path directions of advance.
Specific implementation mode
Below with reference to the attached drawing of the utility model, the technical scheme in the embodiment of the utility model is carried out clear, complete
Whole description and discussion, it is clear that as described herein is only a part of example of the utility model, is not whole reality
Example is based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, belongs to the scope of protection of the utility model.
For the ease of the understanding to the utility model embodiment, make into one by taking specific embodiment as an example below in conjunction with attached drawing
The explanation of step, and each embodiment does not constitute the restriction to the utility model embodiment.
A kind of LED cold light source for medical endoscope device is present embodiments provided, which includes cabinet, is equipped with and drives in cabinet
Dynamic circuit board, control circuit board, LED component, light collecting device, wherein control circuit board is coupled with drive circuit board, driving circuit
Plate is coupled with LED component, and light collecting device includes the first light adjustment part being sequentially arranged on the light output direction of LED component and
Two light adjustment parts, the first light adjustment part are used to the light that LED component exports being converted to less parallel light, the adjustment of the second light
The less parallel light that part is used to obtain after adjusting the first light adjustment part exports after being converged.Wherein, here approximation is flat
Row just refers to the light that angle is less than or equal to 10 °.That is, the device is by being provided with two light adjustment parts, by LED component
The light of output is first converted to less parallel light, namely angle is less than or equal to 10 ° of light between each other, then in pairing approximation
Directional light is converged, and is directly inputted after convergence and is transmitted in the optical transports part such as optical fiber being connected with the device again, with
It is embodied as endoscope and light source is provided.The light source part of this mode, the part-structure being adjusted to light beam is simple, only passes through two
The light angle of needs can be realized in a light adjustment part, convenient for setting and adjustment.
In a further preferred embodiment, the first above-mentioned light adjustment part and the second light adjustment part are respectively about in
Heart line is symmetrical and on same axis.Wherein, light output device of the first light adjustment part apart from LED component is pre- with first
If distance, and there is the second pre-determined distance between the first light adjustment part and the second light adjustment part.First pre-determined distance and second
Pre-determined distance is according to the parameters such as the refractive index of the first light adjustment part and the second light adjustment part and the light being connected with the device
The refractive index of fine or optical cable etc. is configured, so that the light of device output can be in the optical transmission devices such as optical fiber or optical cable
Effectively transmitted.
It is GRIN Lens or cone stick that those skilled in the art, which can be arranged as required to the first above-mentioned light adjustment part,；And
Second light adjustment part is plus lens.
In addition, the light collecting device further includes lighttight shell, the first light adjustment part and the second light adjustment part are successively
It is fixed in shell.By the shell the first light adjustment part and the relative position of the second light adjustment part are fixed, with
It is adjusted conducive to optical fiber.
Above-mentioned LED component includes LED chip, LED installation pedestals, LED fixing brackets, and LED chip is set to LED and installs base
On seat, LED installation pedestals are fixed on by LED fixing brackets in the cabinet.Further, in the device further include fixed bottom
Plate, LED component, light collecting device are fixedly installed on successively on fixed bottom plate, and fixed bottom plate is fixedly installed in cabinet.Pass through setting
Fixed bottom plate, realizes the fixation of relative position between LED component and light collecting device.
In addition, the device still further comprises radiating subassembly, radiating subassembly includes heat conducting pipe and cooling fin, the heat conducting pipe
At the LED component, the cooling fin is connected with the heat conducting pipe.
In another preferred embodiment, cabinet is equipped with heat emission hole and fan, and heat emission hole is set to position corresponding with cooling fin
Place is set, and fan is set on the arbitrary side wall of cabinet.
Light source light-emitting window is additionally provided on cabinet, light source light-emitting window is set at the light output position of laser aid.
Wherein, the center of above-mentioned radiating subassembly, LED component, light collecting device, light source light-emitting window is all in same straight line
On.
1 further illustrate a kind of LED cold light source for medical endoscope device provided in this embodiment, reference below in conjunction with the accompanying drawings
Shown in Fig. 1, which includes cabinet 1, power outlet 2, fan, drive circuit board 5, control circuit board 7, Switching Power Supply 6, LED
Component, radiating subassembly, light collecting device, fixed bottom plate 14, power switch 17.Wherein, radiating subassembly includes heat conducting pipe 12, cooling fin
13 and the heat emission hole 16 on cabinet 1；LED component includes LED chip 8, LED installation pedestals 10 and LED fixing brackets 11.It drives
Dynamic circuit board 5, control circuit board 7, LED component 8, light collecting device 9 are set in cabinet 1, control circuit board 7 and drive circuit board 5
Electrical connection, drive circuit board 5 are electrically connected with LED component 8, and Switching Power Supply 6 is electrically connected with control circuit board 7.Power outlet 2, electricity
It is electrically connected between source switch 17 and Switching Power Supply.Wherein, light source light-emitting window 15 is additionally provided on cabinet 1, light source light-emitting window 15 is set to
At the light output position of light collecting device.The light output position of light collecting device is used for and the optical transmission devices such as external optical fiber or optical cable
It is connected, the optical fiber needed is transmitted at the position of needs.
Shown in Fig. 1, fan is two in the present embodiment, respectively the first fan 3 and the second fan 4, two
For fan laid out in parallel in the side-walls at the rear portion of cabinet 1, the side of two fans is power outlet 2.Cabinet 1 immediately ahead of fan
Bottom plate on be placed with above-mentioned Switching Power Supply 6, control circuit board 7, drive circuit board 5.Wherein, control circuit board 7 is equipped with
Temperature control protection switch, to prevent temperature is excessively high from burning out LED chip.And what 5 front of drive circuit board was arranged in order is heat dissipation group
Part, LED component, light collecting device, light source light-emitting window 15.Wherein, after LED component, radiating subassembly, light collecting device first assemble respectively
It is installed on fixed bottom plate 14, then fixed bottom plate 14 is installed on the bottom plate of cabinet 1；Light source light-emitting window 15 is located at cabinet 1
The side of front, light source light-emitting window 15 is power switch 17.Wherein, LED chip 8 is fixed in LED installation pedestals 10, and surrounding applies
There are heat-conducting glue, installation pedestal 10 to be fixed on LED fixing brackets 11 again, LED fixing brackets 11 connect heat conducting pipe 12, heat conducting pipe 12
End connects cooling fin 13, and the chassis backplane of 13 lower section of cooling fin is equipped with multiple heat emission holes 16, the heat emission hole in the present embodiment
16 elongated arrangements.Wherein, light collecting device is set to the front of LED chip 8, inside be arranged in sequence with GRIN Lens and
Plus lens, the light-emitting surface of LED chip is apart from the surface of GRIN Lens about 0.1mm.
Shown in Figure 2, light collecting device 9 includes the GRIN Lens 91 being sequentially arranged on the light output direction of LED chip 8
And plus lens 92, wherein GRIN Lens 91 and plus lens 92 symmetrically and are located at same axis respectively about center line 90
On.Since the Refractive Index of Material distribution of GRIN Lens is radially gradually reduced, the light transmitted in an axial direction can be made to generate continuous
Refraction, to make emergent ray is smooth to converge to a bit.According to light path principle, light source is placed in the one of GRIN Lens
Side can realize the parallel light emergence of the other side.The GRIN Lens 91 of the present embodiment is plane close to the side of LED chip 8,
The other side is convex spherical, and material is high temperature resistant and the high optical glass of light transmission rate.
With further reference to the light path direction of advance 93 in Fig. 2, when the light for the different angle that LED chip 8 is sent out is incident on
It when the surface of GRIN Lens 91, is received and obtains less parallel light after internal refraction, after adjustment, to less parallel
Light (10 ° of ＜, as shown in Figure 3) is projected from the other side of GRIN Lens 91, and the light that LED chip 8 is sent out, autohemagglutination are collimated with this
Focus lens 91 can preferably collimated light path using convex spherical.Along the direction of advance 93 of light path, after GRIN Lens 91
It is plus lens 92,92 material of plus lens in the present embodiment is PMMA or optical glass, is used to converge saturating from self-focusing
The less parallel light that the convex spherical of mirror 91 projects is to light source light-emitting window 15.Here entire light collecting device passes through with LED component
Location hole is installed and is adjacent to.
Wherein, the less parallel light that GRIN Lens 91 exports is the light that angle is less than or equal to 10 °.That is,
The device is by being provided with GRIN Lens 91 and plus lens 92 the two light adjustment parts, the light that LED component 8 is exported
Less parallel light is first converted to, namely angle is less than or equal to 10 ° of light between each other, is then carried out in pairing approximation directional light
Convergence, input in the optical transports part such as optical fiber being connected with the device and be transmitted again after convergence, with realize offer meet optical fiber or
The light that the optical transmission devices such as optical cable require.
Wherein, the light collecting device in the present embodiment further includes lighttight shell, GRIN Lens 91 and plus lens 92
It is fixed at successively in the shell, and the shell is fixed on above-mentioned fixation bottom plate 14, realizes 91 inside of GRIN Lens thoroughly
Position between mirror is fixed and the external position relative to LED component is fixed.
When the device works, after powering on socket 2 and inserting optical fibers into light source light-emitting window 15, LED chip 8 is by point
Bright, the heat that LED chip 8 distributes is reached through LED installation pedestals 10 and heat conducting pipe 12 on cooling fin 13, further, and by fan 3
It is discharged outside cabinet 1 with the heat emission hole 16 of 4 and 13 lower section of cooling fin so that LED chip 8 is fully radiated.Control circuit board 7
The light on and off of LED chip 8 and the power of brightness output are controlled, also, the temperature control protection switch in control circuit board 7 is to LED
Chip 8 carries out Thermal protection, if temperature is more than certain value, automatically disconnects the circuit.Wherein, power outlet 2, control circuit board 7,
LED component, drive circuit board 5, power switch 17, are connected by electric wire between any two.The all angles that LED chip 8 is sent out
Light is projected with less parallel light from convex spherical, then be accumulated lens 92 and focus on light after the refraction of GRIN Lens 91
Source light-emitting window.Then it is exported by fiber coupling, further, intelligent acess medical endoscope, to illuminate patient positions.
In other preferred embodiments, above-mentioned GRIN Lens 91 can also replace with cone stick as needed, and cone stick also may be used
To realize the effect that the light for the different angle that LED chip 8 is sent out is adjusted to less parallel light, then will be approximate by plus lens
Directional light converged after smoothly to input optical transmission device.
In another embodiment of the utility model, a kind of LED cold light source for medical endoscope module, the mould are additionally provided
Block includes the LED component being fixedly connected and light collecting device, and light collecting device includes being sequentially arranged on the light output direction of LED component
First light adjustment part and the second light adjustment part, the first light adjustment part are used to the light that LED component exports being converted to approximation
Directional light, the second light adjustment part after being converged approximate directional light for exporting.The module is fixed by fixed bottom plate etc.
Device is detachably secured in the cabinet of above-mentioned LED cold light source for medical endoscope device, passes through the detachable of fixed bottom plate
Connection type realizes the replacement to the module in different cabinets, is not only convenient for the replacement of light source module, also improves in cabinet
The utilization rate of other assemblies.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to
In this, any those skilled in the art within the technical scope disclosed by the utility model, the deformation that the utility model is done
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with described
Subject to scope of the claims.
Claims (10)
1. a kind of LED cold light source for medical endoscope device, which is characterized in that including cabinet, drive circuit board, control are equipped in cabinet
Circuit board processed, LED component, light collecting device, wherein control circuit board is coupled with the drive circuit board, the drive circuit board
It is coupled with the LED component, the light collecting device includes the first light being sequentially arranged on the light output direction of the LED component
Adjustment part and the second light adjustment part, the first light adjustment part are used to the light that the LED component exports being converted to approximation
Directional light, the second light adjustment part after being converged the less parallel light for exporting.
2. LED cold light source for medical endoscope device according to claim 1, which is characterized in that the first light adjustment
Part and the second light adjustment part symmetrically and are located on same axis respectively about center line.
3. LED cold light source for medical endoscope device according to claim 1, which is characterized in that the first light adjustment
Light output device of the part apart from the LED component has the first pre-determined distance, the first light adjustment part and the second light tune
There is the second pre-determined distance between one integral piece.
4. LED cold light source for medical endoscope device according to claim 1 or 2 or 3, which is characterized in that first light
Line adjustment part is GRIN Lens or cone stick；The second light adjustment part is plus lens.
5. LED cold light source for medical endoscope device according to claim 1 or 2 or 3, which is characterized in that the light harvesting dress
It further includes lighttight shell to set, and the first light adjustment part and the second light adjustment part are fixed at the shell successively
It is interior.
6. LED cold light source for medical endoscope device according to claim 1, which is characterized in that the LED component includes
LED chip, LED installation pedestals, LED fixing brackets, the LED chip are set in the LED installation pedestals, the LED installations
Pedestal is fixed on by the LED fixing brackets in the cabinet.
7. LED cold light source for medical endoscope device according to claim 1, which is characterized in that further include fixed bottom plate, institute
It states LED component, light collecting device to be fixedly installed on successively on the fixed bottom plate, the fixed bottom plate is fixedly installed on the cabinet
It is interior.
8. LED cold light source for medical endoscope device according to claim 1, which is characterized in that further include radiating subassembly, institute
It includes heat conducting pipe and cooling fin to state radiating subassembly, and the heat conducting pipe is located at the LED component, the cooling fin and the heat conduction
Pipe is connected.
9. LED cold light source for medical endoscope device according to claim 8, which is characterized in that the cabinet is equipped with light
Source light-emitting window, heat emission hole and fan, the light source light-emitting window are set at the light output position of laser aid, and the heat emission hole is set to
At position corresponding with the cooling fin, the fan is set on the arbitrary side wall of the cabinet.
10. a kind of LED cold light source for medical endoscope module, which is characterized in that for described in claim 1 to 9 any one
In LED cold light source for medical endoscope device, including the LED component and light collecting device that are fixedly connected, the light collecting device include according to
Secondary the first light adjustment part and the second light adjustment part on the light output direction of the LED component, first light
Adjustment part is used to the light that the LED component exports being converted to less parallel light, and the second light adjustment part is used for will be described
Less parallel light exports after being converged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720619450.8U CN207804219U (en) | 2017-05-31 | 2017-05-31 | LED cold light source for medical endoscope device and module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720619450.8U CN207804219U (en) | 2017-05-31 | 2017-05-31 | LED cold light source for medical endoscope device and module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207804219U true CN207804219U (en) | 2018-09-04 |
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ID=63336924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720619450.8U Active CN207804219U (en) | 2017-05-31 | 2017-05-31 | LED cold light source for medical endoscope device and module |
Country Status (1)
| Country | Link |
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| CN (1) | CN207804219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197204A (en) * | 2020-10-26 | 2021-01-08 | 亳州联岐医疗科技有限公司 | LED medical cold light source |
| CN112781017A (en) * | 2021-01-12 | 2021-05-11 | 重庆博仕康科技有限公司 | Automatic switching system for medical LED cold light source standby lamp |
-
2017
- 2017-05-31 CN CN201720619450.8U patent/CN207804219U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112197204A (en) * | 2020-10-26 | 2021-01-08 | 亳州联岐医疗科技有限公司 | LED medical cold light source |
| CN112781017A (en) * | 2021-01-12 | 2021-05-11 | 重庆博仕康科技有限公司 | Automatic switching system for medical LED cold light source standby lamp |
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| CP02 | Change in the address of a patent holder |
Address after: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 2 floor. Patentee after: Shanghai Kinetic Medical Co., Ltd. Address before: 201201 Shanghai Pudong New Area Zhangjiang hi tech Park East area 528, 23, 1 floor. Patentee before: Shanghai Kinetic Medical Co., Ltd. |
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| CP02 | Change in the address of a patent holder |