CN217304869U

CN217304869U - Ultraviolet visible micro spectrometer

Info

Publication number: CN217304869U
Application number: CN202220229451.2U
Authority: CN
Inventors: 高捷; 郭波; 郑鹏; 孙华; 何东郡; 朱建强; 周宁宁; 张守忠
Original assignee: Shandong Institute of Metrology
Current assignee: Shandong Institute of Metrology
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-26
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a visible miniature spectrum appearance of ultraviolet relates to check out test set technical field, including box, flip and spectrum appearance body, flip is through pivot swing joint at the box top, the inside of box is equipped with the holding tank that is used for depositing the spectrum appearance body, the inside of holding tank is equipped with installation mechanism, it is fixed that the spectrum appearance body passes through installation mechanism and box constitution, the equal fixed mounting in four corners department of bottom half has the supporting legs, the controller is installed at flip's top, the inside of box still is equipped with temperature-control mechanism, temperature-control mechanism and controller electrical connection. The utility model discloses in, installation mechanism through setting up has made things convenient for the installation and the dismantlement of spectrum appearance body, guarantees through the temperature control mechanism that sets up that the spectrum appearance body is in a constancy of temperature's working range, and it is little influenced by temperature change, and optical property is more stable.

Description

Ultraviolet visible micro spectrometer

Technical Field

The utility model relates to a check out test set technical field especially relates to the miniature spectrum appearance of ultraviolet visible.

Background

An ultraviolet or visible spectrograph is an instrument working by utilizing an ultraviolet-visible spectrum method, and is a common ultraviolet-visible spectrograph which mainly comprises a light source, a monochromator, a sample cell (light absorption cell), a detector and a recording device, wherein the ultraviolet/visible spectrograph is generally designed to avoid using a lens in a light path as much as possible, a reflector is mainly used to prevent absorption errors brought by the instrument, when a transparent element cannot be avoided in the light path, materials transparent to ultraviolet or visible light (such as quartz glass for the sample cell and a reference cell) are selected, the ultraviolet-visible absorption spectrograph is a wide-application ultraviolet-visible spectrograph which mainly comprises the light source, the monochromator, the absorption cell, the detector, a data processing and recording part (a computer) and the like, and the ultraviolet or visible spectrograph is mainly used for identifying compounds, checking purity, detecting purity, and recording, Determination of isomers, determination of steric hindrance, determination of hydrogen bond strength and other related quantitative analyses, but the determination is usually only an auxiliary analysis means, and other analysis methods, such as infrared, nuclear magnetism, EPR and other comprehensive methods, are also needed to analyze the object to be detected so as to obtain accurate data.

The ultraviolet spectrum appearance body on the market has convenient to use to detect accurate characteristics, but the ultraviolet spectrum appearance body on the market leads to ultraviolet spectrum appearance body volume great for pursuit its testing result's precision, and the ultraviolet spectrum appearance body of great volume makes staff very inconvenient when the transport.

The prior patent (publication number: CN211178741U) provides a portable ultraviolet spectrometer, which comprises a base, wherein the portable ultraviolet spectrometer is more convenient to carry or carry the ultraviolet spectrometer body through a connecting cross rod and a connecting vertical rod, the connecting cross rod is moved downwards after the portable ultraviolet spectrometer is carried to a place where the portable ultraviolet spectrometer can be placed, so that the connecting vertical rod drives a movable block to move downwards, the movable block moves outwards under the action of a limiting groove, so that the distance between the two connecting vertical rods is increased, the connecting vertical rods move to the outside of the base, at the moment, the connecting vertical rods and the connecting cross rod can be rotated to the bottom of the base, the connecting cross rod is pushed upwards after being rotated to the bottom of the base, so that the connecting cross rod is placed in a placing groove, the device adopts a series of structures, so that the ultraviolet spectrometer body is convenient to carry, and the rotating block is always attached to the limiting groove through a fixing pin, a fixing baffle and a stabilizing spring in the carrying process, the stability during the transport has been guaranteed.

The above mentioned uv spectrometers have the following disadvantages when used: when the ultraviolet visible micro spectrometer is used, the temperature of the ultraviolet visible micro spectrometer is difficult to keep in a constant range, the absorption spectrum of a substance has close relation with measurement conditions, the measurement conditions are different, the shape of the absorption spectrum, the position of an absorption peak, the absorption intensity and the like are possible to change, the temperature has little influence on the absorption spectrum in a room temperature range, the absorption intensity is increased at a low temperature, a spectral band is widened at a high temperature, and a spectral band fine structure disappears.

SUMMERY OF THE UTILITY MODEL

The utility model provides a visible miniature spectrum appearance of ultraviolet, it is difficult to keep ultraviolet spectrum appearance temperature in a invariable within range to have solved when using, because the absorption spectrum of material has close relation with the survey condition, the survey condition is different, absorption spectrum's shape, the position of absorption peak, absorption strength etc. all are possible to change, in the room temperature range, the temperature is little to absorption spectrum's influence, when low temperature, absorption strength increases to some extent, when high temperature, the spectral band widen, the technical problem that the meticulous structure of spectral band disappears.

For solving the technical problem, the utility model provides a miniature spectrum appearance of ultraviolet visible, including box, flip and spectrum appearance body, flip is through pivot swing joint at the box top, the inside of box is equipped with the holding tank that is used for depositing the spectrum appearance body, the inside of holding tank is equipped with installation mechanism, the spectrum appearance body passes through installation mechanism and box constitution is fixed, the equal fixed mounting in four corners department of bottom half has the supporting legs, the controller is installed at flip's top, the inside of box still is equipped with temperature control mechanism, temperature control mechanism and controller electrical connection.

Preferably, installation mechanism includes adjusting screw, holder, guide block, guide way and adjusting hand wheel, all run through on the wall of box left and right sides and set up threaded through-hole, the internal thread of threaded through-hole is connected with adjusting screw, two the inside that adjusting screw is relative all extends to the box is just rotated and is installed the holder, the bottom fixed mounting of holder has the guide block, set up on the interior diapire of box and supply the gliding guide way of guide block, two adjusting screw's the other end all extends to the outside of box and fixed mounting has adjusting hand wheel, can be with the stable inside of fixing at the box of spectrum appearance body, has improved the stability of spectrum appearance body when operation, and the convenience is dismantled in the installation simultaneously, and the practicality is strong.

Preferably, the temperature control mechanism includes heating tape, temperature sensor, thermovent, ventilating board and radiator fan, the heating tape is installed to the box inner wall, temperature sensor is openly installed to the box, the temperature sensor sense terminal extends to inside the box, the thermovent has been seted up to the bottom half, the inside fixed mounting of thermovent has the ventilating board, ventilating board top fixed mounting has radiator fan, can adjust the inside temperature of box, ensures that the spectrum appearance body is in a constancy of temperature's working range, and it is little influenced by temperature variation, and optical property is more stable.

Preferably, the bottom of guide block has seted up the ring channel, the internally mounted of ring channel has the ball, ball and guide way tank bottom roll connection set up the ball and play the effect that reduces friction for the guide block slides with the guide way more stably.

Preferably, the elastic pad is installed to the holder inboard, the elastic pad is the rubber material, has improved the stability of spectrum appearance body installation.

Preferably, the outside cover of temperature sensor is equipped with the protection casing, protection casing and box fixed connection play fine safeguard effect, avoid temperature sensor to receive the collision damage.

Preferably, one side of the flip cover is provided with a catching groove, and the inner wall of the catching groove is provided with anti-slip lines, so that the flip cover can be conveniently opened and closed, and the use of an operator is facilitated.

Preferably, equal fixed mounting has the transport handle on the wall of box left and right sides, two the transport handle sets up for the symmetry, and convenient transport improves the equipment convenience.

Compared with the prior art, the utility model provides a miniature spectrum appearance of ultraviolet visible has following beneficial effect:

1. the utility model discloses in, can drive adjusting screw through rotating adjusting handle and rotate, make adjusting screw take place horizontal position when rotating and remove through adjusting screw and the cooperation of screw thread through-hole, promote the holder through adjusting screw and remove to can press from both sides the tight inside of fixing at the box with the spectrum appearance body through the cooperation of two holders, improve the stability of spectrum appearance body when operation, the installation is dismantled conveniently simultaneously, and the practicality is strong.

2. The utility model discloses in, detect the inside temperature of box through temperature sensor, when the temperature is higher than the threshold value of settlement, temperature sensor transmission signal gives the controller, controller control radiator fan starts, can accelerate the inside circulation of air efficiency of box, have fine initiative radiating effect, can discharge the inside heat of box fast, when the temperature is less than the threshold value of settlement, controller control heating tape starts, the inside temperature that makes the box of heating tape operation back production heat box rises, reach the ideal state, ensure that the spectrum appearance body is in a constancy of temperature's working range, it is little influenced by temperature change, optical property is more stable.

Drawings

FIG. 1 is a schematic structural diagram of an ultraviolet-visible micro spectrometer;

FIG. 2 is a schematic cross-sectional structure diagram of the UV-visible micro spectrometer;

FIG. 3 is a schematic view of a structure of a holder in the UV-visible micro spectrometer;

fig. 4 is an enlarged view of a structure at a in fig. 2.

Reference numbers in the figures: 1. a box body; 2. a cover is turned; 3. a spectrometer body; 4. adjusting the screw rod; 5. a holder; 6. a guide block; 7. a guide groove; 8. a ball bearing; 9. heating the tape; 10. a temperature sensor; 11. a controller; 12. a protective cover; 13. buckling grooves; 14. supporting legs; 15. carrying handles; 16. an elastic pad; 17. adjusting a hand wheel; 18. a heat dissipation port; 19. a ventilation board; 20. a heat dissipation fan.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are used in the orientation or positional relationship indicated on the basis of the drawings, it is only for convenience of description and simplicity of description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The first embodiment is given by fig. 1-4, the miniature ultraviolet-visible spectrometer comprises a box body 1, a flip 2 and a spectrometer body 3, and is characterized in that the flip 2 is movably connected to the top of the box body 1 through a rotating shaft, a holding tank for storing the spectrometer body 3 is arranged inside the box body 1, an installing mechanism is arranged inside the holding tank, the spectrometer body 3 is fixed to the box body 1 through the installing mechanism, supporting legs 14 are fixedly arranged at four corners of the bottom of the box body 1, a controller 11 is installed at the top of the flip 2, a temperature control mechanism is further arranged inside the box body 1, and the temperature control mechanism is electrically connected with the controller 11.

Second embodiment, on the basis of first embodiment, installation mechanism includes adjusting screw 4, holder 5, guide block 6, guide way 7 and adjusting hand wheel 17, all run through on the wall of the box 1 left and right sides and set up threaded through-hole, the inside threaded connection of threaded through-hole has adjusting screw 4, two relative one ends of adjusting screw 4 all extend to the inside of box 1 and rotate and install holder 5, the bottom fixed mounting of holder 5 has guide block 6, set up on the interior diapire of box 1 and supply the gliding guide way 7 of guide block 6, the other end of two adjusting screw 4 all extends to the outside of box 1 and fixed mounting has adjusting hand wheel 17, can be with the stable inside of fixing at box 1 of spectrum appearance body 3, the stability when spectrum appearance body 3 moves has been improved, the installation is dismantled conveniently simultaneously, therefore, the clothes hanger is strong in practicability.

Third embodiment, on the basis of first embodiment, the temperature control mechanism includes heat band 9, temperature sensor 10, thermovent 18, ventilating board 19 and radiator fan 20, heat band 9 is installed to 1 inner wall of box, 1 openly installs temperature sensor 10 in the box, temperature sensor 10 sense terminal extends to inside the box 1, thermovent 18 has been seted up to 1 bottom of box, the inside fixed mounting of thermovent 18 has ventilating board 19, 19 top fixed mounting of ventilating board has radiator fan 20, can adjust 1 inside temperature of box, ensure that spectrum appearance body 3 is in the working range of a constancy of temperature, it is little influenced by temperature change, optical property is more stable.

Fourth embodiment, on the basis of first embodiment, the ring channel has been seted up to the bottom of guide block 6, and the internally mounted of ring channel has ball 8, and

ball

8 and 7 tank bottoms rolling connection of guide way set up the effect that ball 8 played the friction reduction power for guide block 6 slides more stably with guide way 7.

In the fifth embodiment, based on the first embodiment, the elastic pad 16 is installed inside the holder 5, and the elastic pad 16 is made of rubber, so that the stability of installing the spectrometer body 3 is improved.

Sixth embodiment, on the basis of first embodiment, temperature sensor 10 is covered with protection casing 12 in the outside, and protection casing 12 and box 1 fixed connection play fine guard effect, avoid temperature sensor 10 to receive the collision damage.

Seventh, on the basis of the first embodiment, one side of the flip cover 2 is provided with the catching groove 13, and the inner wall of the catching groove 13 is provided with the anti-slip lines, so that the flip cover 2 can be conveniently opened and closed, and the use by an operator is convenient.

Eighth embodiment, on the basis of first embodiment, equal fixed mounting has transport handle 15 on the wall of box 1 left and right sides, and two transport handles 15 are the symmetry setting, and convenient transport improves the equipment convenience.

The working principle is as follows: the adjusting screw rod 4 can be driven to rotate by rotating the adjusting hand wheel 17, the adjusting screw rod 4 can horizontally move when rotating by matching the adjusting screw rod 4 with the threaded through hole, the clamping seats 5 are pushed to move by the adjusting screw rod 4, the spectrometer body 3 can be clamped and fixed in the box body 1 by matching the two clamping seats 5, the stability of the spectrometer body 3 during operation is improved, meanwhile, the installation and the disassembly are convenient, the practicability is high, the flip cover 2 is opened when the spectrometer body 3 is used, the temperature sensor 10 can be used for detecting the temperature in the box body 1, when the temperature is higher than a set threshold value, the temperature sensor 10 transmits a signal to the controller 11, the controller 11 controls the cooling fan 20 to be started, the air circulation efficiency in the box body 1 can be accelerated, the active cooling effect is good, and heat in the box body 1 can be quickly discharged, when the temperature is lower than the set threshold value, the controller 11 controls the heating belt 9 to start, the heating belt 9 generates heat after running to heat the inside of the box body 1 so as to raise the temperature inside the box body 1, an ideal state is achieved, the spectrometer body 3 is ensured to be in a working range with constant temperature, the influence of temperature change is small, and the optical performance is more stable.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Visible miniature spectrum appearance of ultraviolet, including box (1), flip (2) and spectrum appearance body (3), its characterized in that, flip (2) are at box (1) top through pivot swing joint, the inside of box (1) is equipped with the holding tank that is used for depositing spectrum appearance body (3), the inside of holding tank is equipped with installation mechanism, spectrum appearance body (3) constitute fixedly through installation mechanism and box (1), the equal fixed mounting in four corners department of box (1) bottom has supporting legs (14), controller (11) are installed at the top of flip (2), the inside of box (1) still is equipped with temperature control mechanism, temperature control mechanism and controller (11) electrical connection.

2. The ultraviolet-visible micro spectrometer according to claim 1, wherein the mounting mechanism comprises an adjusting screw (4), a clamping seat (5), a guide block (6), a guide groove (7) and an adjusting hand wheel (17), threaded through holes are formed in the left side wall and the right side wall of the box body (1) in a penetrating manner, the adjusting screw (4) is connected to the internal threads of the threaded through holes in a penetrating manner, the adjusting screw (4) is connected to two ends of the opposite ends of the adjusting screw (4) in a penetrating manner, the clamping seat (5) is installed in the box body (1) in a rotating manner, the guide block (6) is fixedly installed at the bottom of the clamping seat (5), the guide groove (7) for the guide block (6) to slide is formed in the inner bottom wall of the box body (1), and the adjusting hand wheel (17) is fixedly installed at the other end of the adjusting screw (4) in the outer portion of the box body (1).

3. The micro ultraviolet-visible spectrometer according to claim 1, wherein the temperature control mechanism comprises a heating belt (9), a temperature sensor (10), a heat dissipation opening (18), a ventilation plate (19) and a heat dissipation fan (20), the heating belt (9) is installed on the inner wall of the box body (1), the temperature sensor (10) is installed on the front surface of the box body (1), the detection end of the temperature sensor (10) extends to the inside of the box body (1), the heat dissipation opening (18) is formed in the bottom of the box body (1), the ventilation plate (19) is fixedly installed inside the heat dissipation opening (18), and the heat dissipation fan (20) is fixedly installed on the top of the ventilation plate (19).

4. The uv-vis microspectrometer according to claim 2, wherein the bottom end of the guide block (6) is provided with an annular groove, a ball (8) is arranged in the annular groove, and the ball (8) is in rolling connection with the bottom of the guide groove (7).

5. The uv-vis microspectrometer as claimed in claim 2, wherein the holder (5) is mounted with an elastic pad (16) inside, the elastic pad (16) being made of rubber.

6. The uv-vis microspectrometer according to claim 3, characterized in that the temperature sensor (10) is externally covered with a protective cover (12), said protective cover (12) being fixedly connected to the housing (1).

7. The ultraviolet-visible micro spectrometer according to claim 1, wherein one side of the flip cover (2) is provided with a buckle groove (13), and the inner wall of the buckle groove (13) is provided with anti-skid lines.

8. The micro ultraviolet-visible spectrometer according to claim 1, characterized in that the carrying handles (15) are fixedly mounted on both left and right side walls of the box body (1), and the two carrying handles (15) are symmetrically arranged.