CN211263167U

CN211263167U - Spectrophotometer

Info

Publication number: CN211263167U
Application number: CN201921959904.1U
Authority: CN
Inventors: 黎钦; 米继东
Original assignee: Jiaxing Lingyu Technology Co ltd
Current assignee: Jiaxing Lingyu Technology Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-14
Anticipated expiration: 2029-11-14

Abstract

The utility model provides a spectrophotometer, include: a housing; the detection platform is arranged on one side of the shell, a sample detection point is arranged on the detection platform, a communication jack is arranged on the side wall of the detection platform, a sample detection head is arranged right above the detection platform, the sample detection head is connected with the driving mechanism, and the sample detection head is driven to ascend or descend by the driving mechanism; the bracket is provided with a communication contact pin, and the bracket is inserted into or pulled out of the communication jack through the communication contact pin and is detachably matched with the shell. The spectrophotometer of the utility model not only has accurate positioning, but also has simple and convenient use and no error of personnel operation.

Description

Spectrophotometer

Technical Field

The utility model belongs to the technical field of laboratory glassware equipment, a spectrophotometer is related to.

Background

The spectrophotometer is a scientific instrument which decomposes light with complex components into spectral lines and is widely applied to the rapid quantitative detection of samples such as sugar, nucleic acid, enzyme or protein. The method utilizes the tension of trace liquid to draw and form an optical path, and carries out qualitative or quantitative analysis on the substance through the absorbance of light at a specific wavelength or in a certain wavelength range. Therefore, only a very small amount of samples to be detected are needed to obtain accurate detection data.

Chinese patent CN201720361141.5 discloses a spectrophotometer, which comprises an outer box, a cover plate, a rotating shaft I, a rotating shaft II, a display screen, a button, a heat sink, a holding groove, a supporting pad, a wiring board and a light comparing cell. The utility model has the advantages that: the display screen can revolute rotation of axis of rotation I for the display screen can multi-angle rotating observe, respectively is provided with the groove of holding of an indent on the terminal surface about outer box, and convenience of customers uses the hand to take and hold equipment. Above-mentioned spectrophotometer when carrying out sample detection, need open the apron, put into the sample that will detect than the light ware room, cover the apron and detect, the quantity of sample is held inaccurately, and the operability is not good moreover.

When a spectrophotometer in the prior art is used for detecting a sample, the distance between an upper platform and a lower platform needs to be manually adjusted, the sample is detected, the operability is poor, and the experimental result is inaccurate.

To sum up, for solving the structural not enough of current spectrophotometer, the utility model designs a simple structure, be convenient for to the spectrophotometer of sample detection.

Disclosure of Invention

The utility model provides a spectrophotometer with simple structure and convenient sample detection, which solves the problems existing in the prior art.

The purpose of the utility model can be realized by the following technical proposal:

a spectrophotometer, comprising:

a housing;

the detection platform is arranged on one side of the shell, a sample detection point is arranged on the detection platform, a communication jack is arranged on the side wall of the detection platform, a sample detection head is arranged right above the detection platform, the sample detection head is connected with the driving mechanism, and the sample detection head is driven to ascend or descend by the driving mechanism;

the bracket is provided with a communication contact pin, and the bracket is inserted into or pulled out of the communication jack through the communication contact pin and is detachably matched with the shell.

As a further improvement of the scheme, the bracket and the supporting part are arranged, the connecting part and the supporting part are vertically arranged, and the free ends of the connecting part are provided with communication contact pins arranged in pairs.

As a further improvement of the scheme, the end face of the supporting part is provided with a groove, and the groove is used for placing the sample adding gun.

As a further improvement of the scheme, the groove is in the shape of a circular arc.

As a further improvement of the scheme, the driving mechanism comprises a motor and a screw rod, an output shaft of the motor is connected with the screw rod, a nut seat is sleeved on the screw rod, and a sample detection head is arranged at the end of the nut seat.

Compared with the prior art, this spectrophotometer structure sets up rationally, through actuating mechanism's setting, has realized waiting to detect the automated inspection of sample, and the setting of rethread bracket can make application of sample rifle application of sample location sample check point accurate, has effectively reduced manual operation's error, and is convenient to use, easy operation.

Drawings

Fig. 1 is a schematic structural diagram of the spectrophotometer of the present invention.

Fig. 2 is a schematic view of the bracket structure of the present invention.

Fig. 3 is a schematic diagram of the spectrophotometer and the bracket of the present invention in use.

Fig. 4 is a schematic structural diagram of a driving mechanism of the spectrophotometer of the present invention.

Fig. 5 is a schematic structural diagram of the spectrophotometer before detecting a sample.

Fig. 6 is a schematic structural diagram of the spectrophotometer of the present invention when detecting a sample.

Fig. 7 is a schematic structural view of the spectrophotometer and the bracket of the present invention.

Figure 8 is the state diagram of the spectrophotometer application of sample rifle application of sample of the utility model.

In the figure, 10-shell, 20-detection platform, 21-sample detection point, 22-communication jack, 23-sample detection head, 30-bracket, 31-communication pin, 32-connecting part, 33-holding part, 34-inductor, 40-sample adding gun, 50-driving mechanism, 51-motor, 52-nut seat and 53-screw.

Detailed Description

The technical solution of the present invention will be further explained with reference to the following embodiments and accompanying drawings.

As shown in fig. 1 to 8, the spectrophotometer includes:

a housing 10;

the detection platform 20 is arranged on one side of the shell 10, a sample detection point 21 is arranged on the detection platform 20, a communication jack 22 is arranged on the side wall of the detection platform 20, a sample detection head 23 is arranged right above the detection platform 20, the sample detection head 23 is connected with a driving mechanism, and the sample detection head 23 is driven to ascend or descend by the driving mechanism;

the bracket 30 is provided with a communication pin 31, and the bracket 30 is detachably matched with the shell 10 by inserting or extracting the communication pin 31 into or from the communication jack 22. The carrier 30 can be used for placement of a sample gun 40.

The measurement steps in the prior art are seven: 1) sucking a sample; 2) manually turning the measuring platform 3) to add a sample; 4) manually closing the measuring platform; 5) click on the "measure" command; 6) manually turning the measuring platform open; 7) and cleaning the measuring platform.

Therefore, the utility model designs a spectrophotometer, absorb the sample to be detected through application of sample rifle 40, place application of sample rifle 40 on bracket 30 and be used for preliminary location, application of sample mouth alignment detection platform 20 of application of sample rifle 40, drop the sample to be detected on sample check point 21 again, the sample to be detected adds and finishes; through the decline of actuating mechanism drive sample detection head 23, move down, reach predetermined position, the spectrophotometer host computer is measured the sample, and the back of finishing measuring, sample detection head is under actuating mechanism's drive, and rebound arrives the top, so relapse, has accomplished the detection to the sample that awaits measuring promptly, can carry out the detection of next sample.

The utility model discloses a spectrophotometer's measurement step divide into three steps, specifically is: 1) sucking a sample; 2) adding a sample; 3) and cleaning the measuring platform.

Specifically, in the embodiment, the sample to be detected can be accurately moved and placed through the sample adding gun 40 and the bracket 30, and the bracket 30 serves as an auxiliary support, so that errors caused by manual operation can be reduced; moreover, the driving mechanism drives the sample detection head 23 to ascend or descend, compared with manual operation in the prior art, the positioning is accurate, the use is simple and convenient, and no error of the operation of a human is caused.

As a further preferred embodiment, the cradle 30 comprises a connecting portion 32 and a holding portion 33, the connecting portion 32 and the holding portion 33 are vertically arranged, and the free ends of the connecting portion 32 are provided with communication pins 31 arranged in pairs.

In a further preferred embodiment, the end surface of the holding part 33 is provided with a recess 331, and the recess 331 is used for placing the sample adding gun 40.

In the preferred embodiment described above, the bracket 30 is made of two parts: connecting portion 32 and holding portion 33, setting through recess 331, make when the application of sample through application of sample rifle 40, the medial surface of recess 331 is hugged closely to application of sample rifle 40's lateral wall, aim at testing platform 20's sample check point 21 with the application of sample mouth again, so set up, can make when artifical application of sample, can not be because the shake of hand, influence the application of sample, the preliminary location that application of sample rifle 40 can be realized to bracket 30's recess 331 is accurate, application of sample mouth aims at testing platform 20 smoothly, finally add on sample check point 21 and wait to detect the sample.

As a further preferred embodiment, the recess 331 is circular. The arc-shaped groove 331 is arranged in accordance with the radian of the sample adding gun 40, so that the placement is easy, the positioning is accurate, and the sample adding is accurate.

As a further preferred embodiment, the driving mechanism 50 includes a motor 51, a nut seat 52 and a screw 53, an output shaft of the motor 51 is connected to the screw 53, the nut seat 52 is sleeved on the screw 53, and the sample detection head 23 is disposed at an end of the nut seat 52.

In this embodiment, the utility model discloses an inside actuating mechanism that sets up of spectrophotometer subassembly, actuating mechanism mainly include motor 51, nut seat 52 and screw rod 53, are connected screw rod 53 with motor 51 through the shaft coupling, and nut seat 52 cup joints with screw rod 53 through the screw thread and links to each other, and sample detection head 23 is connected on nut seat 52, specifically is the below of nut seat 52 tip, is facing sample detection point 21 on testing platform 20, and concrete working process is: when the motor 51 rotates clockwise or counterclockwise, the coupling and the screw 53 correspondingly rotate clockwise or counterclockwise, and simultaneously the nut holder 52 and the sample detection head 23 correspondingly ascend or descend in the vertical direction. By controlling the operation of the motor 51, the sample detection head 23 is gradually closed to the sample detection points 21 from top to bottom, and when reaching a set distance, the sample starts to be detected.

Above-mentioned operation process, the manual operation of contrast prior art, not only the location is accurate, uses portably moreover, unmanned operation's error.

As a further preferred embodiment, a sensor 34 is disposed in the recess of the bracket 30, and the sensor 34 can detect whether the sample application gun 40 is present in the recess.

In this embodiment, the detection process is as follows:

1) before the sample is measured, the displacement top end of the sample detection head 23 is sucked into the sample to be detected by using the sample adding gun 40, then the sample adding gun 40 is placed in the groove of the base of the bracket 30 to serve as an auxiliary support, the groove is favorable for the tip of the sample adding gun to position the sample detection point 21, and then the sample to be detected is dripped onto the sample detection point 21. At this time, the sensor 34 at the groove position of the base of the bracket 30 detects the existence of the sample adding gun, and outputs a low level signal, and the full-automatic spectrophotometer software defines the current state as a measurement ready state.

2) After the sample is added, when the sample adding gun 40 is removed, the sensor at the groove position of the base of the bracket 30 detects that the sample adding gun 40 does not exist, a high level signal is output, the full-automatic spectrophotometer software defines the measurement excitation state at the moment, the sample detection head 23 moves downwards under the driving of the motor 51 to reach a preset position as shown in the figure 6, the sample is measured by the spectrophotometer host, after the measurement is finished, the sample detection head 23 moves upwards under the driving of the motor 52 to reach the top end as shown in the figure 5, and the steps are repeated so as to detect the next sample.

This spectrophotometer structure sets up rationally, through actuating mechanism 50's setting, has realized waiting to detect the automated inspection of sample, and rethread bracket 30's setting can make the application of sample rifle 40 application of sample location sample check point accurate, has effectively reduced manual operation's error, and is convenient to use, easy operation.

The preferred embodiments of the present invention are described herein, but the scope of the present invention is not limited thereto. Modifications or additions to or replacement by similar means to those skilled in the art to which the invention pertains to the specific embodiments described herein are intended to be covered by the scope of the invention.

Claims

1. A spectrophotometer, comprising:

a housing (10);

the detection platform (20) is arranged on one side of the shell (10), a sample detection point (21) is arranged on the detection platform (20), a communication jack (22) is arranged on the side wall of the detection platform (20), a sample detection head (23) is arranged right above the detection platform (20), the sample detection head (23) is connected with a driving mechanism (50), and the driving mechanism (50) drives the sample detection head (23) to ascend or descend;

the communication jack is characterized by comprising a bracket (30), wherein a communication pin (31) is arranged on the bracket (30), and the bracket (30) is detachably matched with the shell (10) by inserting or pulling out the communication jack (22) through the communication pin (31).

2. Spectrophotometer according to claim 1, characterized in that the carrier (30) comprises a connecting part (32) and a holding part (33), the connecting part (32) and the holding part (33) being arranged vertically, the free ends of the connecting part (32) being provided with communication pins (31) arranged in pairs.

3. A spectrophotometer according to claim 2, wherein the end face of the holder (33) is provided with a recess (331), the recess (331) being used for placement of the sample application gun (40).

4. A spectrophotometer according to claim 3, characterised in that the indentation (331) is circular arc shaped.

5. A spectrophotometer according to claim 1, wherein the driving mechanism (50) comprises a motor (51), a nut holder (52) and a screw (53), an output shaft of the motor (51) is connected with the screw (53), the nut holder (52) is sleeved on the screw (53), and the end of the nut holder (52) is provided with the sample detection head (23).