CN217276488U

CN217276488U - Electronic analytical balance

Info

Publication number: CN217276488U
Application number: CN202220477166.2U
Authority: CN
Inventors: 王晓亮
Original assignee: Chenguang Changzhou New Material Technology Co ltd
Current assignee: Chenguang Changzhou New Material Technology Co ltd
Priority date: 2022-03-01
Filing date: 2022-03-01
Publication date: 2022-08-23
Anticipated expiration: 2032-03-01

Abstract

The utility model discloses an electronic analytical balance, including electronic balance organism and moving frame, the backplate is installed at the top of electronic balance organism, the roof is installed at the top of backplate, electric telescopic handle is installed to the bottom of roof, electric telescopic handle's trailing end connection has the silk area, laser rangefinder inductor is installed to electric telescopic handle's tail end, and the laser rangefinder inductor is located one side of silk area, moving frame has been placed at the top of electronic balance organism, and moving frame is the U type structure of invering, a side surface mounting of backplate has the case. The utility model discloses a be provided with electric telescopic handle, silk area and laser rangefinder inductor, start electric telescopic handle and drive the silk area and descend, observe the silk area tail end and whether take place to deflect to this carries out the leakproofness to the sealed space that windshield formed and detects, and then avoids weighing in-process wind-force to blow and lead to the powder to reduce, with this accuracy of guaranteeing the weighing result.

Description

Electronic analytical balance

Technical Field

The utility model relates to an electron analytical balance technical field specifically is an electron analytical balance.

Background

The electronic analytical balance is an indispensable important instrument in work, wherein the electronic analytical balance is divided into an analytical balance, a precision balance, a ten-thousandth balance, a thousandth electronic balance, a hundredth electronic balance and the like according to the precision range, and is suitable for experimental weighing operations of different orders of magnitude.

The existing electronic analytical balance equipment has the following defects:

patent document CN111579032B discloses an electronic analytical balance for mass measurement, "including the organism, the outside fixedly connected with windshield case of organism upper surface, the inside that the organism upper surface is located the windshield case is provided with the weighing dish, the inside activity of organism has cup jointed the anti-convection ring board. The electronic analytical balance for mass measurement is characterized in that through the cooperation among the linkage device, the regulating device and the balance device, when mass is measured, when the actual temperature has a temperature difference with the measured temperature, the magnetic induction intensity and the effective length of the magnetic induction coil are increased, the left connecting contact plate is subjected to the increase of the volume of the thermosensitive induction balloon, the included angle between the horizontal plane of the magnetic induction coil and the linkage device is changed, so that the sine value corresponding to the included angle is reduced, the weight of a measured object on a weighing plate is kept in a direct proportion to the corresponding electromagnetic force, the influence of inaccuracy of the measured object is effectively reduced, the accuracy of the quality of the measured object by the electronic analytical balance for mass measurement is improved, whether internal wind power exists or not cannot be detected when the electronic analytical balance is used for detecting powder substances with an open shallow plate as a container, the powder is easy to leave the container due to wind blowing, thereby causing inaccuracies in the weighing result.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic analytical balance to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic analytical balance, includes electronic balance organism and moving frame, the backplate is installed at the top of electronic balance organism, the roof is installed at the top of backplate, electric telescopic handle is installed to the bottom of roof, electric telescopic handle's trailing end connection has the silk area, laser rangefinder inductor is installed to electric telescopic handle's tail end, and laser rangefinder inductor is located one side of silk area, moving frame has been placed at the top of electronic balance organism, and moving frame is the U type structure of invering, one side surface mounting of backplate has the case.

Preferably, the surface of the moving frame, which is close to each other, is provided with a telescopic sleeve plate, the tail end of the telescopic sleeve plate is connected with a semicircular hoop, and the inner wall of the hoop is provided with a silica gel pad.

Preferably, the storage box is internally provided with a connecting plate in an embedded mode, the bottom of the connecting plate is provided with cleaning sponge, and the top of the connecting plate is provided with a handle.

Preferably, the surface of the electronic balance body is provided with a display screen, the display screen is electrically connected with the laser ranging sensor, and the display screen is positioned in front of the movable frame.

Preferably, a connecting frame is installed at the top of the electronic balance body, the back face of the connecting frame is connected with the front face of the back plate, and a windshield is installed inside the connecting frame through a hinge.

Preferably, the top of electronic balance organism is installed the bottom plate of weighing, the embedded inductor of weighing that installs in the top of bottom plate of weighing, the top of bottom plate of weighing installs the rubber pad.

Preferably, the bottom plate of weighing is located electric telescopic handle under, and the inductor and the display screen electric connection of weighing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install electric telescopic handle, silk area and laser rangefinder inductor, start electric telescopic handle, utilize the laser rangefinder inductor to detect adjustment electric telescopic handle's descending distance to the distance between container and the electric telescopic handle tail end, tail end laminating until the silk area is close to the container directly over behind the surface, the continuation that stops electric telescopic handle moves down, it deflects whether to observe the silk area tail end, if take place to deflect then represent the inside phenomenon of leaking out that exists of enclosure this moment, need the windshield board to give the leakproofness detection, and then avoid weighing in-process wind-force to blow and lead to the powder to reduce, guarantee the accuracy of weighing result with this.

2. The utility model discloses an install moving frame, selectively use moving frame according to the appearance that bears the weight of the container, when weighing to such bottom comparatively mellow and agreeable containers such as reagent bottle or test tube, move moving frame to the outside of rubber pad, later put reagent bottle or test tube on the surface of rubber pad to utilize the cooperation of ferrule and flexible lagging, make reagent bottle or test tube stably stand on the surface of rubber pad.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the mounting structure of the movable frame and the electronic balance body of the present invention;

FIG. 3 is a schematic view of the installation structure of the top plate and the electric telescopic rod of the present invention;

fig. 4 is a schematic view of the mounting structure of the back plate and the storage box of the present invention.

In the figure: 1. an electronic balance body; 101. a display screen; 2. a back plate; 201. a windshield; 202. a connecting frame; 203. a top plate; 3. a moving frame; 301. a telescopic sleeve plate; 302. a hoop; 4. an electric telescopic rod; 401. a laser ranging sensor; 402. silk belts; 5. weighing the bottom plate; 501. a weighing sensor; 502. a rubber pad; 6. a storage box; 601. cleaning the sponge; 602. a handle; 603. a connecting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 and fig. 3, the present invention provides an embodiment: the utility model provides an electronic analytical balance, includes electronic balance organism 1 and electric telescopic handle 4, backplate 2 is installed at electronic balance organism 1's top, and roof 203 is installed at the top of backplate 2, and electric telescopic handle 4 is installed to the bottom of roof 203, and electric telescopic handle 4's trailing end connection has silk area 402, and laser rangefinder inductor 401 is installed to electric telescopic handle 4's tail end, and laser rangefinder inductor 401 is located one side of silk area 402.

A connecting frame 202 is installed on the top of the electronic balance body 1, the back of the connecting frame 202 is connected with the front of the back plate 2, and a windshield 201 is installed inside the connecting frame 202 through a hinge.

The surface of the electronic balance body 1 is provided with the display screen 101, the display screen 101 is electrically connected with the laser ranging sensor 401, and the display screen 101 is positioned in front of the movable frame 3.

The top of electronic balance organism 1 is installed weighing bottom plate 5, and the top of weighing bottom plate 5 is embedded to be installed weighing inductor 501, and the top of weighing bottom plate 5 is installed rubber pad 502.

Weighing bottom plate 5 is located electric telescopic handle 4 under, and inductor 501 and display screen 101 electric connection weigh.

Specifically, during weighing, a sample and a container containing the sample are placed on the surface of the rubber pad 502, then the sample is weighed by means of the weighing sensor 501, the weight value of the container subtracted from the weighing value is a sample weight value, and the sample weight value is displayed through the display screen 101, so that a weighing person can conveniently check the sample;

due to the arrangement of the rubber pad 502, a buffering effect can be achieved, so that sample liquid which shakes in the container can be restored to a stable state as soon as possible, and further inaccuracy of a weighing result caused by the fact that the gravity center position changes due to shaking of the sample is reduced;

the top plate 203, the connecting frame 202 and the three groups of windshields 201 form a closed structure with the electronic balance body 1, so that external objects are prevented from entering and interfering with the weighing result of the sample during weighing.

Before weighing a container with a shallow mouth and a large diameter, wherein powder is placed in the container, an electric telescopic rod 4 is started, the distance between the container and the tail end of the electric telescopic rod 4 is detected by a laser ranging sensor 401, whether the container needs to descend continuously is judged, the electric telescopic rod 4 stops moving downwards continuously until the tail end of a silk belt 402 is attached to the surface close to the right top of the container, whether the silk belt 402 deflects or not is observed, if the silk belt 402 deflects, the phenomenon of air leakage in a closed space is represented, and the powder on the surface of the container is easy to blow away from the surface of the container, so that the accuracy of a weighing result is reduced;

in addition, the top plate 203 is connected with the top of the back plate 2 through hinges, so that a skylight effect is provided, and weighing objects can be conveniently placed and conveyed.

Example two

Referring to fig. 1, fig. 2 and fig. 4, the present invention provides an embodiment: the utility model provides an electronic analytical balance, includes electronic balance organism 1 and moving frame 3, moving frame 3 has been placed at electronic balance organism 1's top, and moving frame 3 is the U type structure of inversion, and moving frame 3 surface mounting that is close to each other has flexible lagging 301, and the trailing end connection of flexible lagging 301 has semicircular hoop 302, and the silica gel pad is installed to hoop 302's inner wall.

Specifically, when weighing containers with relatively round bottoms such as reagent bottles or test tubes, the movable frame 3 is moved to the outer side of the rubber pad 502, the telescopic sleeve plate 301 is located above the rubber pad 502, the effective extension length of the telescopic sleeve plate 301 is adjusted according to the diameter of the reagent bottles or test tubes, the reagent bottles or test tubes are placed on the surface of the rubber pad 502, the reagent bottles or test tubes are leaned against the hoop 302, the reagent bottles or test tubes can be stably placed on the surface of the rubber pad 502 for weighing, and the silica gel pads are arranged, a flexible buffer belt can be provided between the hoop 302 and the reagent bottles or test tubes, and the situation that the surface of the reagent bottles or test tubes is scratched by the hoop 302 is avoided.

Through moving frame 3 for reagent bottle or test tube can directly weigh and handle and need not shift liquid and weigh, reduce from this and move losing of liquid in-process liquid, and then strengthened this electronic analytical balance's weighing precision.

The storage box 6 is installed on one side surface of the backboard 2, the connecting plate 603 is installed inside the storage box 6 in an embedded mode, the cleaning sponge 601 is installed at the bottom of the connecting plate 603, and the handle 602 is installed at the top of the connecting plate 603.

Specifically, when the windshield 201 needs to be cleaned, the handle 602 is held, the connecting plate 603 is taken out of the storage box 6, then the cleaning sponge 601 is attached to the surface of the windshield 201, and the cleaning sponge 601 is driven to move up and down on the surface of the windshield 201 by moving the connecting plate 603 up and down, so that the cleaning treatment of the surface of the windshield 201 is realized.

The working principle is as follows: before the electronic analytical balance is used for weighing, the movable frame 3 is selectively used according to the appearance of a bearing container, when containers with smooth bottoms, such as reagent bottles or test tubes, are weighed, the movable frame 3 is moved to the outer side of the rubber pad 502, then the reagent bottles or the test tubes are placed on the surface of the rubber pad 502, and the reagent bottles or the test tubes are stably stood on the surface of the rubber pad 502 by the cooperation of the hoops 302 and the telescopic sleeve plates 301;

starting the electric telescopic rod 4, detecting the distance between the container and the tail end of the electric telescopic rod 4 by using the laser ranging sensor 401 to adjust the descending distance of the electric telescopic rod 4, stopping the electric telescopic rod 4 from continuously moving downwards until the tail end of the silk ribbon 402 is attached to the surface close to the right upper side of the container, observing whether the tail end of the silk ribbon 402 deflects, and if the tail end of the silk ribbon 402 deflects, indicating that the air leakage phenomenon exists in the closed space at the moment, needing the windshield 201 to perform sealing detection, further avoiding the reduction of powder caused by wind blowing in the weighing process, and further ensuring the accuracy of the weighing result;

then, the material on the top surface of the rubber pad 502 is weighed by the weighing sensor 501, and then the weighing value is displayed by the display screen 101, and the weighing is finished.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An electronic analytical balance, including electronic balance organism (1) and moving frame (3), its characterized in that: backplate (2) are installed at the top of electronic balance organism (1), roof (203) are installed at the top of backplate (2), electric telescopic handle (4) are installed to the bottom of roof (203), the trailing end connection of electric telescopic handle (4) has silk area (402), laser rangefinder inductor (401) are installed to the tail end of electric telescopic handle (4), and laser rangefinder inductor (401) are located one side of silk area (402), moving frame (3) have been placed at the top of electronic balance organism (1), and moving frame (3) is the U type structure of invering, one side surface mounting of backplate (2) has case (6).

2. An electronic analytical balance as claimed in claim 1 wherein: the surface mounting that moving frame (3) are close to each other has flexible lagging (301), the tail end of flexible lagging (301) is connected with semicircular hoop (302), the silica gel pad is installed to the inner wall of hoop (302).

3. An electronic analytical balance as claimed in claim 1 wherein: the storage box (6) is internally provided with a connecting plate (603) in a chimeric way, the bottom of the connecting plate (603) is provided with a cleaning sponge (601), and the top of the connecting plate (603) is provided with a handle (602).

4. An electronic analytical balance as claimed in claim 1 wherein: the surface mounting of electronic balance organism (1) has display screen (101), and display screen (101) and laser rangefinder inductor (401) electric connection, display screen (101) are located the place ahead of moving frame (3).

5. An electronic analytical balance as claimed in claim 1 wherein: connecting frame (202) are installed at the top of electronic balance organism (1), and the back of connecting frame (202) is connected with the front of backplate (2), windshield (201) are installed through the hinge in the inside of connecting frame (202).

6. An electronic analytical balance as claimed in claim 1 wherein: the electronic balance is characterized in that a weighing bottom plate (5) is installed at the top of the electronic balance body (1), a weighing inductor (501) is installed at the top of the weighing bottom plate (5) in an embedded mode, and a rubber pad (502) is installed at the top of the weighing bottom plate (5).

7. An electronic analytical balance as claimed in claim 6 wherein: the weighing bottom plate (5) is located under the electric telescopic rod (4), and the weighing sensor (501) is electrically connected with the display screen (101).