Auxiliary calibration device for electronic balance

Abstract

The utility model is suitable for the technical field of electronic balances, and provides an auxiliary calibration device for an electronic balance, which comprises an electronic balance body. The scale pan is arranged at the top of the electronic balance body; the weighing display screen and the controller are embedded and fixed on the outer side wall of the electronic balance body, and the weighing display screen is located on one side of the controller; the connecting column is fixed at the bottom of the electronic balance body; the base is fixed at the bottom end of the connecting column; the first through groove and the second through groove are formed in the top of the base, and the first through groove and the second through groove intersect with each other; the steel balls roll and move along the interiors of the first through groove and the second through groove under the action of gravity, the movement state and position of the steel balls are detected through the multiple infrared sensors, and therefore the supporting legs at the opposite positions are controlled to vertically move, the relative height of the four end points of the base is adjusted, and base leveling is achieved; and the electronic balance body is ensured to be in a horizontal state.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electronic balance technical field especially relates to an electronic balance auxiliary calibration device. BACKGROUND

[0002] Electronic balance is used for weighing the mass of object, and the balance is used as a precision measuring instrument and has been widely used in various fields such as industry, medical treatment and chemical industry. With the progress of society, the precision of the balance is required higher and higher, and people continuously innovate to improve the precision of the balance.

[0003] Since the electronic balance needs to be placed horizontally to ensure the accuracy of measurement, when the electronic balance is in the uncalibrated state, the electronic balance measurement will produce errors. When calibrating the electronic balance, the electronic balance needs to be placed horizontally manually, which not only makes the calibration operation troublesome, but also makes it difficult to ensure the calibration accuracy by manual adjustment.

[0004] Therefore, an electronic balance auxiliary calibration device is proposed. INVENTION CONTENTS

[0005] The utility model provides an electronic balance auxiliary calibration device, which aims to solve the above problems.

[0006] The utility model is realized in this way, an electronic balance auxiliary calibration device, including: electronic balance body, the balance pan that is established in the electronic balance body top, the weighing display screen and the controller that are embeddedly fixed in the electronic balance body lateral wall, weighing display screen is located in the side of controller, the connecting column that is fixed in the electronic balance body bottom, the base that is fixed in the connecting column bottom, the first through slot and the second through slot that are set up in the base top, the first through slot and the second through slot cross each other, the infrared sensor that is embedded in the first through slot and the second through slot inside bottom respectively, the steel ball that rolls in the first through slot and the second through slot inside, the micro electric push rod that is embeddedly fixed in the base top through bolt, the support foot that is fixed in the micro electric push rod output end, the foot pad that is fixedly connected in the support foot bottom through adhesive, the storage hole that is set up on the weighing display screen side outer wall of the electronic balance body, the weight that is placed in the storage hole, and the plug that is screwed in the storage hole.

[0007] Preferably, the connecting column is provided with four, and the four connecting columns are symmetrically arranged between the electronic balance body and the base.

[0008] Preferably, the steel ball does not contact the electronic balance body when rolling in the first through slot and the second through slot.

[0009] Preferably, the micro electric push rod is provided with four, and the four micro electric push rods are symmetrically arranged on the top of the base.

[0010] Preferably, the cross section of the plug head is T-shaped structure.

[0011] Preferably, the infrared sensor and the micro electric push rod are electrically connected with the controller.

[0012] Compared with the prior art, the embodiment of the application has the following beneficial effects:

[0013] The steel ball moves along the first and second grooves under the action of gravity, and the movement state and position of the steel ball are detected by the plurality of infrared sensors, so that the support leg in the relative position is controlled to move vertically, thereby adjusting the relative height of the four end points of the base, leveling the base, and ensuring that the electronic balance body is in a horizontal state, and realizing automatic auxiliary calibration of the electronic balance body. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the utility model;

[0015] Figure 2 is a base structure schematic view of the utility model;

[0016] Figure 3 is an electronic balance body structure schematic view of the utility model;

[0017] Figure 4 is a support leg structure schematic view of the utility model.

[0018] In the figure: 1, electronic balance body; 2, scale; 3, weighing display screen; 4, connecting column; 5, base; 6, first groove; 7, second groove; 8, infrared sensor; 9, steel ball; 10, micro electric push rod; 11, support leg; 12, foot pad; 13, controller; 14, storage hole; 15, weight; 16, plug head. DETAILED DESCRIPTION

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the description and claims of this application as well as the above abstract are intended to cover all alternatives, modifications, and equivalents thereof. The terms "comprises", "comprising", "includes", "including", "has", "having" and their variants are intended to cover both non-exclusive and exclusive inclusion. The terms "first", "second", and the like, as used herein, do not denote any order, quantity, or importance, but are used to distinguish one element from another.

[0020] Reference to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive.

[0021] The utility model embodiment provides a kind of electronic balance auxiliary calibration device, as shown in Figures 1-4 It is shown that, including electronic balance body 1, the top of electronic balance body 1 is provided with scale pan 2, and the side outer wall of electronic balance body 1 is embedded and fixed with weighing display screen 3 and controller 13, weighing display screen 3 is located in the side of controller 13, the bottom of electronic balance body 1 is provided with connecting column 4, connecting column 4 is provided with four, and four connecting columns 4 are symmetrically arranged between electronic balance body 1 and base 5, the bottom end of connecting column 4 is provided with base 5, the top of base 5 is provided with first through slot 6 and second through slot 7, first through slot 6 is located in the side of second through slot 7, and the inside bottom of first through slot 6 and second through slot 7 is embedded and fixed with infrared sensor 8, steel ball 9 is arranged in the inside of first through slot 6 and second through slot 7, micro electric push rod 10 is embedded and fixed by bolt in the position of the side of the top of base 5 close to first through slot 6 and second through slot 7, micro electric push rod 10 is provided with four, and four micro electric push rods 10 are symmetrically arranged in the top of base 5, micro electric push rod 10 is fixedly connected with support leg 11 through the output end of its side, the bottom of support leg 11 is fixedly connected with foot pad 12 by adhesive, the side outer wall of electronic balance body 1 adjacent to weighing display screen 3 is provided with storage hole 14, weight 15 is placed in the inside of storage hole 14, and plug 16 is threadedly connected in the inside of storage hole 14, the cross section of plug 16 is T-shaped structure, infrared sensor 8 and micro electric push rod 10 are electrically connected with controller 13.

[0022] It needs to be explained that, since electronic balance needs to be placed horizontally to ensure the accuracy of measurement, when electronic balance is in uncalibrated state, electronic balance measurement will produce error, when calibrating electronic balance, electronic balance is placed horizontally artificially, not only calibration operation is troublesome, but also manual adjustment is difficult to ensure the accuracy of calibration, in the embodiment, steel ball 9 moves along the inside of first through slot 6 and second through slot 7 under the action of gravity, and the movement state and position of steel ball 9 are detected using multiple infrared sensors 8, to control the vertical movement of support leg 11 in relative position, to adjust the relative height of four end points of base 5, to realize the leveling of base 5, to ensure that electronic balance body 1 is in horizontal state, to realize the automatic auxiliary calibration of electronic balance body 1.

[0023] Specifically, in the present embodiment, the present scheme mainly comprises the base 5, when the electronic balance body 1 is used, the electronic balance body 1 is placed on the desktop, since the desktop is not necessarily in a horizontal state, at this time, the electronic balance body 1 itself produces inclination, under the action of gravity, the steel ball 9 rolls to the low place inside the first through groove 6 and the second through groove 7, the moving path of the steel ball 9 is detected by the plurality of infrared sensors 8 at the bottom of the first through groove 6 and the second through groove 7, according to the detected infrared signal, the controller 13 controls the micro electric push rod 10 which the steel ball 9 rolls towards to work, controls the micro electric push rod 10 to drive the supporting leg 11 to move downwards through the output end at one side of the micro electric push rod 10, with the supporting leg 11 continuing to move downwards, the side end of the base 5 can be lifted, the steel ball 9 rolls back until the steel ball 9 stays at the intersection of the first through groove 6 and the second through groove 7, so that the base 5 is leveled, and further guarantee that the electronic balance body 1 is in a horizontal state, when calibration is carried out, the plug 16 is unscrewed, the weight 15 is taken out, the quantitative weight 15 is placed on the pan 2, the weight is displayed on the weighing display screen 3, the displayed weight and the weight of the weight 15 are compared, so as to judge whether the electronic balance body 1 is calibrated.

[0024] As shown in the further preferred embodiment of the utility model, Figure 2 The steel ball 9 does not contact the electronic balance body 1 when rolling inside the first through groove 6 and the second through groove 7.

[0025] In the present embodiment, the electronic balance body 1 is lifted by the connecting column 4, so that there is a gap between the electronic balance body 1 and the base 5, and further guarantee that the steel ball 9 does not contact the electronic balance body 1 when rolling inside the first through groove 6 and the second through groove 7.

[0026] It should be noted that, for the foregoing embodiments, in order to simply describe, they are all expressed as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the action sequence described, because according to the utility model, certain steps can be in other sequence or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the utility model.

[0027] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the above units can be different, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or communication connection between the units shown or discussed can be indirect coupling or direct coupling or communication connection between units, and can be electrical, or other forms.

[0028] The units described above as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, i.e. may be located in one place, or may be distributed to multiple network units. Part or all of the units may be selected to achieve the purpose of the embodiment scheme according to actual needs.

[0029] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor belong to the scope to be protected by the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features in each embodiment of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope to be protected by the present application.

Claims

1. An auxiliary calibration device for an electronic balance, characterized in that, include: Electronic balance body (1); The weighing pan (2) is located on top of the electronic balance body (1); A weighing display screen (3) and a controller (13) are embedded and fixed to the outer wall of the electronic balance body (1), with the weighing display screen (3) located on one side of the controller (13); A connecting post (4) is fixed to the bottom of the electronic balance body (1); A base (5) fixed to the bottom end of the connecting column (4); A first through groove (6) and a second through groove (7) are formed on the top of the base (5), and the first through groove (6) and the second through groove (7) intersect each other; Infrared sensors (8) are respectively embedded in the bottom of the first through slot (6) and the second through slot (7); and Steel balls (9) rolling inside the first through groove (6) and the second through groove (7); A miniature electric push rod (10) is fixed to the top of the base (5) by bolting; Support foot (11) fixed to the output end of the miniature electric actuator (10); The foot pad (12) is fixed to the bottom of the support foot (11) by adhesive; A storage hole (14) is provided on the outer wall of the electronic balance body (1) adjacent to the weighing display screen (3); The weights (15) placed inside the receiving hole (14); and A plug (16) is screwed into the receiving hole (14) by means of threads.

2. The electronic balance auxiliary calibration device as described in claim 1, characterized in that, There are four connecting columns (4), and the four connecting columns (4) are symmetrically arranged between the electronic balance body (1) and the base (5).

3. The electronic balance auxiliary calibration device as described in claim 1, characterized in that, The steel ball (9) does not come into contact with the electronic balance body (1) when it rolls inside the first through groove (6) and the second through groove (7).

4. The electronic balance auxiliary calibration device as described in claim 1, characterized in that, There are four miniature electric push rods (10), and the four miniature electric push rods (10) are symmetrically arranged on the top of the base (5).

5. The electronic balance auxiliary calibration device as described in claim 1, characterized in that, The plug (16) has a T-shaped cross-section.

6. The electronic balance auxiliary calibration device as described in claim 1, characterized in that, The infrared sensor (8) and the miniature electric push rod (10) are both electrically connected to the controller (13).

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