CN1782776A

CN1782776A - Pen type microscope

Info

Publication number: CN1782776A
Application number: CN 200410077285
Authority: CN
Inventors: 曾展华
Original assignee: Dongguan Changcheng Optical Plastic & Rubber Plant Co Ltd
Current assignee: Dongguan Changcheng Optical Plastic & Rubber Plant Co Ltd
Priority date: 2004-12-01
Filing date: 2004-12-01
Publication date: 2006-06-07
Anticipated expiration: 2024-12-01
Also published as: CN100363774C

Abstract

The pen type microscope includes a lens barrel and eyepiece, diaphragm, field lens and objective set inside the lens barrel. The lens barrel is one combination of two parts of right barrel and left barrel, has several slots in the inner wall to clamp the eyepiece, the diaphragm, the field lens and the objective, and is also provided with a built-in lighting system. The lens barrel structure, the lens fixing mode and the pen type lighting mode of the present invention result in one kind of small, high magnification and self-lighting pen type microscope. The pen type microscope has excellent technological performance, excellent and reliable performance, convenient use and easy carrying, and may be used widely in different fields.

Description

Pen type microscope

Technical field

The present invention relates to optical microscope, especially a kind of lens barrel body structure that original creation arranged and based on the lens barrel part fixing means of this structure with the built-in pen type microscope that falls to penetrating means of illumination of original creation is arranged.

Background technology

In the optical microscope field, except the stereomicroscope of high times of optics enlargement ratio microscope such as macro-organism that the complex mechanical structure device is arranged, metallographic, polarisation and stereoscopy, another field be exactly small-sized, hand held, have middle low power optics enlargement ratio, be convenient for carrying, use simple portable microscope.Traditional portable microscope since the restriction that is subjected to technical development generally be intersect the bitubular or square, have a certain size volume, do not reach fully and be convenient for carrying, use simple purpose; In recent years develop gradually and the small and exquisite cylindrical shape portable microscope of a kind of volume, because face shaping picture pen generally is called pen type microscope.

Pen type microscope lens barrel on the domestic and international market generally adopts tubular structure now, form the microscopic observation optical system from pack into successively toward lens barrel pipe inside optical module and mechanical component of an end of bobbin, not only cost height, production efficiency are low, and be subjected to the restriction of lens barrel body structure and volume, all do not carry lighting device, and need to rely on environment for use or settle a dispute by the parties concerned themselves, therefore by the user, optical property and observation effect are had a strong impact on, also limited the scope of using greatly.For above-mentioned reasons, at present the pen type microscope on the domestic and international market holds at high price, and that has not also given play to optical system fully should have performance, make it application, development, universally be subjected to great influence.

Summary of the invention

Deficiencies such as the technical problem to be solved in the present invention is self no illumination light source of overcoming that existing pen type microscope exists, production efficiency is low, optical effect is undesirable, range of application is narrow, a kind of pen type microscope is provided, on optical property, economy, practicality, can reach higher level, use widely to improve expansion portable optical microscope.

The above-mentioned technical matters of the present invention solves like this, constructs a kind of pen type microscope, comprises the lens barrel cylindrical shell and is located at eyepiece, diaphragm, field lens, object lens in the cylindrical shell, it is characterized in that: described lens barrel cylindrical shell is closed up by the left and right sides two halves of left lens barrel and right lens-barrel and constitutes; Described lens barrel cylinder inboard wall is provided with and is respectively applied for a plurality of grooves position that clamps described eyepiece, diaphragm, field lens, object lens, and described lens barrel cylindrical shell also is built-in with illuminator.

In above-mentioned pen type microscope, described left lens barrel and right lens-barrel are respectively the semicircle tube structure of structural symmetry, and both close up the back profile is cylindrical shape.

In above-mentioned pen type microscope, described left lens barrel and right lens-barrel are for being shaped with the plastic material integral molded plastic or being shaped with the metal material integral die-cast.

In above-mentioned pen type microscope, the eyepiece in the optical system, field lens, object lens are optical glass lens or optical plastic lens.

In above-mentioned pen type microscope, the eyepiece in the optical system, field lens, object lens are made up of one or more pieces eyeglasses respectively.

In above-mentioned pen type microscope, the objective end of described lens barrel is equipped with translucent cover.

In above-mentioned pen type microscope, described illuminator comprises illuminated pushbutton switch on the boss that closes up the place that is located at described left lens barrel and right lens-barrel, be contained in the one or more button cells in the boss and be contained in the LED lamp of object lens one side with the position that the object lens axis forms 15-75 degree angle, described LED lamp forms circuit loop by courage sheet, lead, switch electrode sheet and button cell, also is provided with the battery cover that is used to pick and place button cell on described boss.

In above-mentioned pen type microscope, the electrode slice that is used to form circuit loop is 1 or multi-disc, and the lead that is used to form circuit loop is plastic skin electric wire or enameled wire.

In above-mentioned pen type microscope, when producing assembling, the LED lamp of lens barrel inside, five metals electrode slice, lead, switch, eyepiece, diaphragm, field lens, object lens are to be stuck in earlier in the corresponding groove position of left lens barrel or right lens-barrel, again second half lens barrel is closed up, make the groove position of second half lens barrel also block corresponding part, thereby fix the part in the lens barrel.

In above-mentioned pen type microscope, the LED lamp that is used to throw light on can send the light or the ultraviolet light of different colours.

Implement pen type microscope provided by the invention, overcome the deficiencies in the prior art, be a kind of small-sized, high power, carry the pen type microscope of illumination, production technology is splendid, function admirable is reliable; Its moulding exquisiteness is attractive in appearance, easy to use, be easy to carry, economical and practical, can be widely used in printing, false proof, identify fields such as collection, criminal investigation, material, information electronics, biology, Nong Ke and medical treatment.

Description of drawings

The present invention is further described below in conjunction with drawings and Examples.

Fig. 1 is the overall appearance structural representation of pen type microscope first embodiment of the present invention.

Fig. 2 is the internal structure synoptic diagram of the left and right sides lens barrel of pen type microscope first embodiment of the present invention when opening.

Fig. 3 is the overall appearance structural representation of pen type microscope second embodiment of the present invention.

Fig. 4 is the inner structure synoptic diagram of the left and right sides lens barrel of pen type microscope second embodiment of the present invention when opening.

When being pen type microscope of the present invention work, Fig. 5 falls to penetrating the lighting theory synoptic diagram.

Embodiment

Pen type microscope employing of the present invention is built-in to fall to penetrating illumination and closes up the formula structure, as depicted in figs. 1 and 2, comprise and close up that formula lens barrel body, translucent cover, led light source fall to penetrating illuminator and the optical system formed by eyepiece, diaphragm, field lens, object lens etc. etc., wherein, the lens barrel cylindrical shell is to form after being closed up by the left lens barrel 1 of profile and inner structure symmetry and right lens-barrel 2, it is the cylindrical shape (see figure 1) that lens barrel closes up the back profile, lens barrel after closing up is formed with inner chamber, the individual slots position 3 that some symmetries are arranged on the internal chamber wall is used to insert eyepiece 10, diaphragm 11, field lens 12, object lens 13; The led light source of lens barrel falls to penetrating illuminator and is made up of button cell 4, LED lamp 5, five metals electrode slice 6, lead 7, battery cover 8, switch 9; Wherein, left lens barrel 1 and right lens-barrel 2 are for being shaped with the plastic material integral molded plastic or being shaped with the metal material integral die-cast; When producing assembling, the LED lamp 5 of lens barrel inside, five metals electrode slice 6, lead 7, switch 9, eyepiece 10, diaphragm 11, field lens 12, object lens 13 are 3 li of corresponding groove positions that are stuck in left lens barrel 1 or right lens-barrel 2 earlier, again second half lens barrel is closed up, make the groove position of second half lens barrel also block corresponding part, thereby fix the part in the lens barrel; The lens barrel front end is equipped with translucent cover 14; Herein, the quantity of button cell is 1 (also can be a plurality of); LED lamp 5 glow colors that are used to throw light on can be different colors, also can be the LED lamps of sending out ultraviolet light; The five metals electrode slice 6 that is used to form circuit loop can be 1 or multi-disc; The lead 7 that is used to form circuit loop can be plastic skin electric wire or enameled wire; Eyepiece 10 in the optical system, field lens 12, object lens 13 can be optical glass lens, also can be the optics plastic lens; Eyepiece 10 in the optical system, field lens 12, object lens 13 can be made up of 1 eyeglass respectively, also can be made up of the multi-disc eyeglass respectively; Button cell 4 is covered by battery cover 8 and is contained on one's body the lens barrel, and is replaceable.

The present invention is separately symmetrical vertically the lens barrel of an one-piece parts of traditional bobbin formula, makes it to become part symmetrical fully on two structures; On the lens barrel inner chamber wall optical mirror slip of these two symmetries and location of aperture, do the groove position, eyeglass can stand-alone card in these groove positions, having overcome traditional pen type microscope like this need add from pack into the pattern of lens barrel of an end of lens barrel mirror plate layers is stacking with spacer ring and trim ring; Because lens barrel has adopted said structure, assemble sequence in the lens barrel between the part can independently be carried out at random, the branch that has not had sequencing, the part space interference problem that is caused by the assembling sequential has disappeared, can utilize the lens barrel space to greatest extent like this, improve design, making increases under the situation of constancy of volume that new equipment improves function and performance becomes possibility, can reduce cost of parts and production cost simultaneously.

In micro optical system, fully, angle reasonably when microexamination to the object of observation carry out long-time stable, interference-free illumination is very important, it can satisfy the requirement of optical system to illumination, give full play to the optical property of optical system, also can be fit to the working environment under the different lighting conditions; On the basis of such scheme, utilize the characteristics of snap-in assembly method, on the stack shell of object lens one end of pen type microscope lens barrel, utilize redundant space design draw-in groove in the lens barrel, packing into falls to penetrating illuminator by what LED lamp and current supply circuit were formed, the lamp holder of LED lamp is exposed at the objective end of lens barrel at a certain angle, and luminous energy directly shines the surface of observed object when luminous in the mode that falls to penetrating.

Can change the outfit the as required LED lamp of different glow colors comprises the LED lamp that sends ultraviolet light; Lamp is powered by five metals electrode slice and lead by the button cell that is contained on the lens barrel stack shell; By switch flickering of lamp controlled; By battery cover the button cell that is contained on the lens barrel is covered, can change battery after opening battery cover.

When producing assembling, with snap-in assembly method part is stuck on the lens barrel on one side independently, again the lens barrel symmetry of another side is closed up, reach and be completely fixed the purpose that there is part in the residence, the firm connection after the right and left lens barrel closes up can connect according to the different choice bonding agent of lens barrel material, button bit connects and mode such as ultrasonic soldering.

After lens barrel closes up,, cover a porose translucent cover in centre and locate optical system operating distance, protection object lens sheet and LED lamp body, to prevent the interference of extraneous veiling glare at stack shell object lens one end.

As shown in Figure 3, in another embodiment of the present invention, adopted a slightly lens barrel moulding of camber line, closed up by left lens barrel 1 and right lens-barrel 2 and constitute.At the front end of lens barrel stack shell the translucent cover 14 of circular arc type is housed, the lens barrel stack shell protrudes rectangle boss 15 by an end of translucent cover 14, is stamped battery cover 8 on the boss 15, and exposing on the boss 15 has round button switch 9.Battery cover 8 can advance release, and switch 9 can be pressed downwards.

As shown in Figure 4, in this present embodiment, lens barrel is the left lens barrel 1 and the right lens-barrel 2 of symmetry, all is to be shaped with the plastic material integral molded plastic; Optical system is made of eyepiece 10, diaphragm 11, field lens 12, object lens 13, wherein object lens 13 are made up of two eyeglasses, eyepiece 10, diaphragm 11, field lens 12, object lens 13 also are shaped with the plastic material integral molded plastic respectively, all are stuck on the lens barrel inwall 3 li of corresponding separately groove positions when producing assembling; Object lens 13 other sides near boss 15 are equipped with a LED lamp 5, are welded with lead 7 on the anodal lamp base of LED lamp 5, and lead 7 is the plastic skin electric wire, is welded with courage sheet 16 on the negative pole lamp base of LED lamp 5; On lens barrel boss 15, three battery holes 17, battery cover button bit 18, switch hole 19 are arranged, battery hole 17 is equipped with three button cells 4, and battery cover button bit 18 advances the back to play fixation at battery cover 8, and switch hole 19 is used for placing switch 9; The positive pole contact of positive plate 20 with the button cell 4 on next door arranged in the place of boss 15 close field lenses 12, and positive plate 20 welds together with the other end of lead 7 simultaneously; Two button cells 4 of close field lens 12 are by brace 21 conductings, and two button cells 4 of close object lens 13 are by 22 conductings of battery cover plate, and battery cover plate 22 is fixedly connected on the battery cover 8; The negative pole of the button cell 4 of close switch 9 contacts with negative plate 23, and negative plate 23 stretches out to switch 9 one sides, is positioned at the centre of switch 9 and courage sheet 16, contacts with switch 9; Courage sheet 16, positive plate 20, brace 21, battery cover plate 22 and negative plate 23 all are that conductive metallic material is made, courage sheet 16, positive plate 20, brace 21 and negative plate 23 all are stuck on the lens barrel inwall 3 li of corresponding separately groove positions, after switch 9 is pressed, courage sheet 16 contact negative plates 23, circuit turn-on, LED lamp 5 electrified light emittings, trip switch 9, negative plate 23 resiliences, circuit disconnects, and LED lamp 5 extinguishes; The aperture 24 that four certain depths is arranged in closing up of left lens barrel 1 on the joint face, at the glue post 25 that there are four certain-lengths in place that joint face corresponds to aperture 24 that closes up of right lens-barrel 2, aperture 24 forms to be connected to cooperate with glue post 25 and locatees when lens barrel closes up.

In the above part, earlier the part of need welding is welded separately before the assembling, battery cover 8 and battery cover plate 22 are fixed together, then left lens barrel 1 is kept flat, all are contained on the order card of part by most convenient on the lens barrel inside groove position 3, in that right lens-barrel 2 is closed up on left lens barrel 1, lens barrel is welded with ultrasound wave; At last 17 li of battery holes by polarity three button cells 4 of packing into, push to battery cover 8, translucent cover 14 on lens barrel LED lamp 5 one end shields, the so far built-in embodiment assembling that falls to penetrating illumination and close up the pen type microscope of formula is finished.

As shown in Figure 5, in the present embodiment, when LED lamp 5 is luminous, LED lamp 5 sends the central axis 26 of light beam, the optical axis 28 with micro optical system on observation object plane 27 intersects, LED lamp 5 light beam that sends has satisfied the requirement of micro optical system to illumination at this moment in scope, intensity, the angle of observing irradiation on the object plane 27, give full play to optical property, realized high-quality microexamination effect.

Claims

1, a kind of pen type microscope comprises the lens barrel cylindrical shell and is located at cylindrical shell interior eyepiece (10), diaphragm (11), field lens (12), object lens (13) that it is characterized in that: described lens barrel cylindrical shell closes up formation by the left and right sides two halves of left lens barrel (1) and right lens-barrel (2); Described lens barrel cylinder inboard wall is provided with and is respectively applied for a plurality of grooves position (3) that clamps described eyepiece (10), diaphragm (11), field lens (12), object lens (13), and described lens barrel cylindrical shell also is built-in with illuminator.

2, according to the described pen type microscope of claim 1, it is characterized in that: described left lens barrel (1) and right lens-barrel (2) are respectively the semicircle tube structure of structural symmetry, and both close up the back profile is cylindrical shape.

3, according to the described pen type microscope of claim 1, it is characterized in that: described left lens barrel (1) and right lens-barrel (2) are for being shaped with the plastic material integral molded plastic or being shaped with the metal material integral die-cast.

4, according to the described pen type microscope of claim 1, it is characterized in that: the eyepiece in the optical system (10), field lens (12), object lens (13) are optical glass lens or optics plastic lens.

5, according to the described pen type microscope of claim 1, it is characterized in that: the eyepiece in the optical system (10), field lens (12), object lens (13) are made up of 1 eyeglass or multi-disc eyeglass respectively.

6, according to the described pen type microscope of claim 1, it is characterized in that: the objective end of described lens barrel is equipped with translucent cover (14).

7, according to any one described pen type microscope among the claim 1-6, it is characterized in that: described illuminator comprises the illuminated pushbutton switch (9) on the boss that closes up the place (15) that is located at described left lens barrel (1) and right lens-barrel (2), be contained in the one or more button cells (4) in the boss (15), and be contained in the LED lamp (5) of object lens side with the position that the object lens axis forms 15-75 degree angle, described LED lamp (5) is by courage sheet (16), lead (7), switch electrode sheet (6) forms electric loop with button cell (4), also is provided with the battery cover (8) that is used to pick and place button cell (4) on described boss (15).

8, according to the described pen type microscope of claim 7, it is characterized in that: the electrode slice (6) that is used to form circuit loop can be 1 or multi-disc, and the lead (7) that is used to form circuit loop can be plastic cement skin electric wire or enameled wire.

9, according to the described pen type microscope of claim 7, it is characterized in that: when producing assembling, the LED lamp (5) of lens barrel inside, five metals electrode slice (6), lead (7), switch (9), eyepiece (10), diaphragm (11), field lens (12), object lens (13) are the linings, corresponding groove position (3) that is stuck in left lens barrel (1) or right lens-barrel (2) earlier, again second half lens barrel is closed up, make the groove position (3) of second half lens barrel also block corresponding part, thereby fix the part in the lens barrel.

10, according to the described pen type microscope of claim 7, it is characterized in that: the LED lamp (5) that is used to throw light on is to send the light of different colours or the light emitting diode of ultraviolet light.