CN207336919U - A kind of portable hand-held formula microexamination mirror - Google Patents
A kind of portable hand-held formula microexamination mirror Download PDFInfo
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- CN207336919U CN207336919U CN201720711433.7U CN201720711433U CN207336919U CN 207336919 U CN207336919 U CN 207336919U CN 201720711433 U CN201720711433 U CN 201720711433U CN 207336919 U CN207336919 U CN 207336919U
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- lens
- eyepiece
- group
- shank
- microexamination
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Abstract
The utility model belongs to microexamination mirror, is specifically a kind of hand-held microexamination mirror, suitable for inside the facility that is not easy closely to check, the observations of field cave thing looks, be the instrument for realizing remote microexamination under narrow dark situation.Benhain prism group is provided between the objective lens and eyepiece group of the refractive optical system of this peephole, objective lens are imaged as inverted image, by being imaged as erect image in benhain prism group to eyepiece group focal plane, the focusing range of whole peephole is 1m~2m, and the light ray lighting device consistent with shank axis direction is provided with below shank.The utility model is small, light-weight, can be as the surface appearance for quickly checking, observing remote object.
Description
Technical field
The utility model belongs to microexamination mirror, is specifically a kind of hand-held microexamination mirror, mainly for narrow dark
Straight micro- details is carried out under environment to remote body surface to observe, is examined available for large scale equipment surface of internal cavity quality state
Look into, the observation of the thing looks in field cave, it can also be used to be not easy trickle defect inspection of pipeline, circuit for closely checking etc..It is real
The dual-use optical instrument of remote microexamination under existing narrow dark situation.
Background technology
The pipe closely checked is observed and are not easy to the inspection of large scale equipment surface of internal cavity quality state, the thing looks in field cave
The trickle defect inspection etc. in road, circuit, is required for carrying out microexamination to surface, and inspection personnel or cannot be difficult to low coverage at this time
From visual observation.Therefore, which helps user to solve urgent problem to be solved.
It is exactly closely visually and with hand to touch judgement that surface situation of object, which observes most effective means, remote just to lack
Effective means.The observation method of foreign countries' comparative maturity is video climbing robot at present, and domestic some, which is used in video, peeps sight
Survey method, but two methods have the defects of larger：First, being influenced by image device performance and lighting angle etc., details is difficult to
Differentiate；Second, observation field range is relatively narrow, it is difficult to which rapid scan surface situation of object, observed efficiency are low；Third, it is of high cost, use
It is complicated with safeguarding；Fourth, volume weight is bigger, it is inconvenient to carry.
Current existing hand-held peephole product, its image-forming principle are that object lens are imaged on detector and carry out opto-electronic conversion
Into vision signal, shown by miniscope, finally by eyepiece amplifying observation.The product is by imaging detector performance and light
Irradiation angle influences, and is unable to reach high-resolution requirement.In addition, the existing hand-held peephole is mainly used for observing microscopic species generation
Boundary, no lighting system, can not realize the observation requirement under dark surrounds；Its enlargement ratio is excessive, it is necessary to fixing measure.Can not be
Dark space quickly solves the demand of direct-view observation in macro object surface in the range of 1m~2m.
The content of the invention
Main problem to be solved in the utility model is：According to the needs of remote body surface microexamination, design one
Small, the light-weight optical observation mirror of money, can use as the surface appearance for quickly checking, observing remote object.
The technical solution realized purpose described in the utility model and taken is：In the objective lens and mesh of refractive optical system
Benhain prism group is provided between microscope group, objective lens are imaged as inverted image, by benhain prism group to eyepiece group focal plane into
As being erect image, the focusing range of whole peephole is 1m~2m, and light ray and shank axis direction are provided with below shank
Consistent lighting device.
The objective lens by the first lens of object lens, the second lens of object lens and object lens balsaming lens by corresponding spacer ring and
Trim ring loads objective tube；Eyepiece group is led to by the first lens of eyepiece, eyepiece balsaming lens, the 4th lens of eyepiece and the 5th lens of eyepiece
Cross corresponding spacer ring and trim ring and load eyepiece stalk；Benhain prism group is that half pentaprism and Shi meter Te roof prisms are bonded in prism
In frame, diaphragm is provided between half pentaprism and Shi meter Te roof prisms, benhain prism group is pressed on shank by trim ring.
The objective tube that objective lens are loaded carries focusing handwheel, and objective tube is connected by the endoporus of screw thread and shank；Object lens
Drum outer wall sets the positioning fluted, the position below groove is sealed equipped with hollow rolling at position of the focusing to 1.5m
Column, is sequentially loaded into spring and steel ball in positioning column, steel ball presses object lens drum outer wall.
The lighting device is formed by connecting by headlamp, battery, battery cover and switch, and is switched with strong light, light
With three gears of dim light.
The microexamination mirror shank is connected with and the matched hand strap of palm shape.
The particular technique performance indicator of this microexamination mirror is as follows：
1. optical property
1）Magnifying power：5×
2）Visual field：15°
3）Exit pupil diameter：φ6mm
4）Distance of exit pupil：14mm
5）Resolution ratio：≤13″.
2. electric property
1）Power supply：One section charged lithium cells 18650（3.7V）
2）Operating voltage：DC3.7V
3）Can stream time：>60min.
3. mechanical performance
1）Focusing range：1m~2m
2）Brightness regulation：Qiang Guang, light, dim light third gear are adjusted.
4. weight and appearance and size
1）Peephole host weight：≤0.75kg（Containing battery）
2）Host appearance and size：≤150mm×60mm×80mm.
The advantageous effects of the utility model are：Objective system converges light into inverted image to benhain prism system, branches of the regular meridians
Chinese prism system inverted image, benhain prism group are used for inverted image and shorten light path, realize user and visually observe in the entire system
The requirement of erect image and the effect for reducing peephole volume weight, benhain prism group is converted into erect image and is output to eyepiece system, then passes through
Eyepiece system amplifying observation.Wherein, the optical design of each part of whole optical system is all linked with one another, reaches final optical
Can, realize remote, big visual field, big emergent pupil, high-resolution requirement.
Verify that this peephole solves quickly conscientiously by the actual use in big-block engine blade working service unit
The problem of checking the remote visual inspection of surface defects of blades.Using big visual field, big emergent pupil, high-resolution optical system,
Defect on remote blade is clearly presented before eyes.
Brief description of the drawings
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in further detail.
Fig. 1 is the general structure schematic diagram of the utility model.
Fig. 2 is the phantom of the overall structure of the utility model.
Fig. 3 is the A-A cross sectional side views of Fig. 2.
Fig. 4 is the objective lens structure chart of the utility model.
Fig. 5 is the benhain prism group structure chart of the utility model.
Fig. 6 is the eyepiece group structure chart of the utility model.
Fig. 7 is the illuminator structure figure of the utility model.
Fig. 8 is the focusing location structure figure of the utility model.
Fig. 9 is the overall appearance stereogram of the utility model.
In figure：The first lens of object lens 1, the second lens of object lens 2, object lens balsaming lens, half pentaprism 4, Shi meter Te ridge ribs
Mirror 5, the first lens of eyepiece 6, eyepiece balsaming lens 7, the 4th lens 8 of eyepiece, the 5th lens 9 of eyepiece, shank 10, hand strap 11, thing
Mirror and headlamp protection cap 12, eyepiece cap 13, objective tube 14, focusing handwheel 15, spacer ring 16, spacer ring 17, sealing ring 18, trim ring
19th, prism frame 20, diaphragm 21, trim ring 22, eyepiece stalk 23, spacer ring 24, spacer ring 25, spacer ring 26, trim ring 27, eyeshade 28, headlamp
29th, battery 30, battery cover 31, switch 32, spring 33, steel ball 34, positioning column 35.
Embodiment
With reference to Fig. 1, the optical system of the utility model is to realize the key of distant surveillance, by objective system, other Chinese rib
Mirror system and eyepiece system assemble.Assembling sequence is objective system successively：The first lens of object lens 1, the second lens of object lens 2,
Object lens balsaming lens 3；Assembling sequence is benhain prism system successively：Half pentaprism 4, Shi meter Te roof prisms 5；Eyepiece system according to
Secondary assembling sequence is：The first lens of eyepiece 6, eyepiece balsaming lens 7, the 4th lens 8 of eyepiece, the 5th lens 9 of eyepiece.Wherein, thing
Mirror system converges light into inverted image to benhain prism system, and branches of the regular meridians Chinese prism system inverted image, eyepiece system is output into erect image, then
Through eyepiece system amplifying observation.Wherein, the optical design of each part of whole optical system is all linked with one another, reaches final optics
Performance, realizes remote, big visual field, big emergent pupil, high-resolution requirement.The overall structure of this microexamination mirror is by object lens
Group, benhain prism group, eyepiece group, illumination group（Lighting device）With positioning group（Focusing location structure）Five big components are formed.Object lens
Group uses refractive optical system, and main function is to collect object space information, by target into inverted image to benhain prism group, by other
Into target erect image to eyepiece group focal plane after Chinese prism group progress image rotation, eye-observation is supplied after amplifying by eyepiece group；In illumination
In the case of faint, target is irradiated by illumination group and is observed；Positioning group is set, it can be achieved that the requirement of focusing range 1m~2m,
Positioning group at the same time（Prompting is made when can be at the 1.5m that focuses, is adjusted easy to rapid focus.Five big components are linked to be one by shank 10
Body, while shank 10 is also connected with preventing the hand strap 11 that product slides（See Fig. 3）, one end of objective tube 14 is configured with object lens and illumination
Lamp protection cap 12, one end of eyepiece stalk 23 are configured with eyepiece cap 13.
Fig. 4 is referred to, the objective lens of the utility model are that the first lens of object lens 1, the second lens of object lens 2, object lens are glued thoroughly
Mirror 3 loads objective tube 14, ensures optical interval requirement by spacer ring 16, spacer ring 17, finally compresses whole group object lens by trim ring 19
Optical system.After object lens are assembled into shank 10, to be threadedly coupled at cooperation, object lens tune is realized by rotating focusing handwheel 15
It is burnt；Meanwhile objective lens realize the sealing in shank cavity with shank 10 by sealing ring 18（See Fig. 1）.
With reference to Fig. 1, Fig. 5, the benhain prism group of the utility model is to be bonded in half pentaprism 4, Shi meter Te roof prisms 5
In prism frame 20, veiling glare is eliminated by prism diaphragm 21 and ensures optical interval；Finally, shank 10 is pressed on by trim ring 22
On.Benhain prism group in the entire system be used for inverted image and shorten light path, realize user visually observe erect image requirement and
Reduce the effect of peephole volume weight.
With reference to Fig. 1, Fig. 6, the eyepiece group of the utility model is by the first lens of eyepiece 6, eyepiece balsaming lens 7, eyepiece the
Four lens 8, the 5th lens 9 of eyepiece load eyepiece stalk 23, ensure optical interval requirement by spacer ring 24, spacer ring 25, spacer ring 26, lean on
Trim ring 27 compresses whole group eyepiece optical system；Meanwhile 28 banding of eyeshade on eyepiece stalk 23 protecting human eye.Finally, eyepiece
Group is consolidated by screw thread to be connected on shank 10.
With reference to Fig. 1, Fig. 7, the illumination group of the utility model is mounted at the lower section of shank 10, light ray direction and 10 axis of shank
Line is consistent, is made of headlamp 29, battery 30, battery cover 31, switch 32, and battery cover 31 is used to cover tightly battery 30, and switch 32 is
More driving switch, continuously by compress switch, it can be achieved that brightness of illumination by strong light, light, dim light adjusting.
With reference to Fig. 3, Fig. 8, the positioning group of the utility model is loaded spring 33, steel ball 34 in hollow positioning column 35,
35 rolling of positioning column seals, and steel ball 34 keeps contacting with objective tube 14 under the effect of spring 33；When steel ball 33 object lens focus to
Ejected during 1.5m to the groove under this position of objective tube 14, produce prompting effect, continue to focus, steel ball 34, which leaves groove, again can
It is retracted into positioning column 35.
Claims (5)
1. a kind of portable hand-held formula microexamination mirror, it is characterized in that：Between the objective lens and eyepiece group of refractive optical system
Benhain prism group is provided with, objective lens are imaged as inverted image, by being imaged as erect image in benhain prism group to eyepiece group focal plane,
The focusing range of whole peephole is 1m~2m, and the light ray illumination consistent with shank axis direction is provided with below shank
Device.
2. the portable hand-held formula microexamination mirror as described in claim 1, it is characterized in that：Objective lens are by the first lens, object lens
Two lens and object lens balsaming lens load objective tube by corresponding spacer ring and trim ring；Eyepiece group is glued by the first lens, eyepiece
Lens, the 4th lens of eyepiece and the 5th lens of eyepiece load eyepiece stalk by corresponding spacer ring and trim ring；Benhain prism group be by
Half pentaprism and Shi meter Te roof prisms are bonded in prism frame, and light is provided between half pentaprism and Shi meter Te roof prisms
Door screen, benhain prism group are pressed on shank by trim ring.
3. the portable hand-held formula microexamination mirror as described in claim 2, it is characterized in that：The objective tube band that objective lens are loaded
There is focusing handwheel, objective tube is connected by the endoporus of screw thread and shank；Object lens drum outer wall is set at position of the focusing to 1.5m
Fluted, the position below groove is equipped with the positioning column that hollow rolling seals, and spring and steel ball, steel are sequentially loaded into positioning column
Ball presses object lens drum outer wall.
4. the portable hand-held formula microexamination mirror as described in claim 2, it is characterized in that：Lighting device by headlamp, battery,
Battery cover and switch are formed by connecting, and switch with three strong light, light and dim light gears.
5. the portable hand-held formula microexamination mirror as described in claim 3 or 4, it is characterized in that：Shank is connected with and palm shaped
The matched hand strap of shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711433.7U CN207336919U (en) | 2017-06-19 | 2017-06-19 | A kind of portable hand-held formula microexamination mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711433.7U CN207336919U (en) | 2017-06-19 | 2017-06-19 | A kind of portable hand-held formula microexamination mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207336919U true CN207336919U (en) | 2018-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720711433.7U Active CN207336919U (en) | 2017-06-19 | 2017-06-19 | A kind of portable hand-held formula microexamination mirror |
Country Status (1)
| Country | Link |
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| CN (1) | CN207336919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102431A (en) * | 2017-06-19 | 2017-08-29 | 云南北方光电仪器有限公司 | A kind of portable hand-held formula microexamination mirror |
-
2017
- 2017-06-19 CN CN201720711433.7U patent/CN207336919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102431A (en) * | 2017-06-19 | 2017-08-29 | 云南北方光电仪器有限公司 | A kind of portable hand-held formula microexamination mirror |
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