CN108760007B

CN108760007B - Electronic scale

Info

Publication number: CN108760007B
Application number: CN201810527132.8A
Authority: CN
Inventors: 李小强; 覃思杰; 贾国鹏; 蒙元鹏
Original assignee: Picooc Beijing Science & Technology Co ltd
Current assignee: Picooc Beijing Science & Technology Co ltd
Priority date: 2018-05-29
Filing date: 2018-05-29
Publication date: 2020-05-29
Anticipated expiration: 2038-05-29
Also published as: CN108760007A; WO2019227558A1

Abstract

In order to solve the problems of measurement errors caused by interference between a bottom shell, supporting legs and the ground and potential safety hazards of rollover of the conventional electronic weighing scale, the invention provides an electronic scale which comprises a bottom shell assembly, a panel assembly and a weighing sensing assembly, wherein the weighing sensing assembly is positioned between the panel assembly and the bottom shell assembly, the panel assembly is supported by the weighing sensing assembly, the weighing sensing assembly is supported by the bottom shell assembly, the panel assembly is in non-fixed connection with the bottom shell assembly, a limiting structure is arranged between the panel assembly and the bottom shell assembly and used for limiting the relative displacement stroke of the panel assembly and the bottom shell assembly in the vertical direction. According to the electronic scale provided by the invention, the bottom of the bottom shell assembly is not required to be additionally provided with the protruding supporting legs, so that the electronic scale is flatter, meanwhile, the interference of the bottom shell assembly on measurement is avoided, and the detection precision is improved.

Description

Electronic scale

Technical Field

The invention belongs to the technical field of human body weighing equipment, and particularly relates to an electronic scale.

Background

The weighing scale is a classification in the use function of the weighing apparatus, can help people to effectively monitor the weight change of the people, and part of the weighing scales can also detect the body fat condition of the user.

The present electronic weighing scales are mainly based on weighing sensors for measuring body weight, and the weighing sensors are classified into photoelectric type, hydraulic type, electromagnetic type, capacitive type, magnetic pole deformation type, vibration type, gyroscope type, resistance strain type, and the like according to conversion methods, wherein the resistance strain type is common. Traditional electronic weighing scale designs for platelike basically, in order to realize transmitting human weight to weighing sensor on, traditional electronic weighing scale need set up four outstanding supporting legss in the electronic weighing scale bottom surface in the bottom, distributes weighing sensor on four supporting legss of electronic weighing scale, and there is certain problem in this kind of design: 1. when the measurement is carried out, the foot pressure of a user is required to be vertical and uniformly distributed, otherwise, the measurement error is larger; 2. the supporting legs need to be movably connected with the electronic weight scale, but the interference between the bottom shell of the electronic weight scale and the supporting legs easily causes measurement errors; 3. the support legs protruding from the bottom of the electronic scale easily cause instability of the electronic scale, and if a user steps on the side edge of the electronic scale, the electronic scale is easy to turn over, so that certain potential safety hazards exist; 4. this kind of electronic scale can only use on the level and smooth subaerial of stereoplasm, if use this kind of electronic scale on the soft ground of deformability (like the woollen blanket), then because there is the contact in electronic scale's drain pan and soft ground, offset the pressure that supporting legs department weighing sensor received, and then cause the measuring result than actual weight on the low side, if exist the bulge with electronic scale's drain pan contact in the stereoplasm bottom surface, can lead to this kind of problem equally.

Disclosure of Invention

The invention provides an electronic scale, which aims to solve the problems that the existing electronic scale has measurement errors caused by interference between a bottom shell, supporting legs and the ground and potential safety hazards of side turning.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the embodiment of the invention provides an electronic scale which comprises a bottom shell assembly, a panel assembly and a weighing sensing assembly, wherein the weighing sensing assembly is positioned between the panel assembly and the bottom shell assembly, the panel assembly is supported by the weighing sensing assembly, the weighing sensing assembly is supported by the bottom shell assembly, the panel assembly is in non-fixed connection with the bottom shell assembly, a limiting structure is arranged between the panel assembly and the bottom shell assembly, and the limiting structure is used for limiting the relative displacement stroke of the panel assembly and the bottom shell assembly in the vertical direction.

According to the electronic scale provided by the invention, the weighing sensing assembly is used for supporting the panel assembly, and the bottom shell assembly is used for supporting the weighing sensing assembly, so that the electronic scale is flatter without additionally arranging a protruding supporting leg at the bottom of the bottom shell assembly, and the problem of side turning caused by uneven weight of the electronic scale can be effectively avoided; the pressure that panel components received directly acts on the sensing subassembly of weighing, just panel components with non-fixed connection between the drain pan subassembly, promptly the drain pan subassembly is not right the panel components produces the supporting role, avoids the heavy interference that produces of drain pan subassembly symmetry result, is provided with limit structure and can avoids panel components follow break away from on the drain pan subassembly. Through the arrangement, the pressure and interference on the bottom shell assembly do not influence the measurement result of the electronic scale, and the precision of weight measurement and the adaptability to the operating environment are improved.

Optionally, the bottom surface of the panel assembly is provided with a mounting seat, and the weighing sensing assembly is mounted on the mounting seat.

Optionally, the weighing sensing assembly comprises a weighing sensor and a supporting piece, the weighing sensor is fixed in the mounting seat, the bottom shell assembly comprises a bottom shell and a supporting frame, the supporting frame is connected to the top of the bottom shell, and two ends of the supporting piece are respectively abutted to the supporting frame and the weighing sensor.

Optionally, correspond on the support frame the locating hole has been seted up to the position of leaning on the piece, lean on the piece including fixed frame, butt dish and a plurality of elastic rib, the periphery of fixed frame connect in on the mount pad, the butt dish is located the inside of fixed frame, the both ends of elastic rib are connected respectively the outer fringe of butt dish with the inner edge of fixed frame, the butt dish deviates from weighing sensor's one side is provided with the location axle, the location axle passes the locating hole.

Optionally, one surface of the butt joint disc, which faces the weighing sensor, is provided with a metal block, the middle part of the weighing sensor is provided with a stress salient point, and the metal block is in butt joint with the stress salient point of the weighing sensor.

Optionally, limit structure includes baffle and link, the baffle connect in the side of mount pad, just the baffle with the interval sets up in order to be formed with the displacement space between the bottom surface of panel components, the link includes connecting wall and spacing portion, spacing portion can set up with shifting from top to bottom in the displacement space, connecting wall connect in keep away from in the spacing portion the outer fringe of mount pad, just connecting wall with the drain pan subassembly is connected.

Optionally, a connecting column is arranged on the connecting wall, a connecting hole is formed in the bottom shell assembly, and the connecting column and the connecting hole are connected with each other in a penetrating mode through a connecting piece.

Optionally, the connecting wall is provided with a limiting column, and a corresponding position of the bottom shell assembly is provided with a limiting hole matched with the limiting column.

Optionally, two sides of the connecting frame are connected with a first extending strip and a second extending strip, and one end of the first extending strip, which is far away from the connecting frame, is connected with the panel assembly; one end of the second extending strip, which is far away from the connecting frame, is connected with the panel assembly; the first extension bar and the second extension bar are flexible structures.

Optionally, the weighing sensing assemblies are multiple, multiple in number, the weighing sensing assemblies are arranged around the inner edge of the bottom surface of the panel assembly, the limiting structures are multiple in number, and the limiting structures and the weighing sensing assemblies are arranged in a one-to-one correspondence mode.

Drawings

FIG. 1 is a schematic diagram of an internal structure of an electronic scale according to an embodiment of the present invention;

FIG. 2 is an exploded view of an electronic scale according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is an enlarged schematic view at B in FIG. 2

FIG. 5 is a schematic cross-sectional view of an electronic scale provided in an embodiment of the present invention;

fig. 6 is an enlarged schematic view at C in fig. 5.

The reference numbers in the drawings of the specification are as follows:

1. a panel assembly; 11. a panel; 111. a through hole; 112. a cover plate; 113. a lead plate; 12. a middle frame; 121. an inner bore; 122. an opening; 13. a mounting seat; 131. a base; 132. mounting blocks; 133. a hook is clamped; 134. a clamping hole; 2. a weighing sensing component; 21. an abutting member; 211. a butting tray; 212. an elastic rib; 213. a fixing frame; 214. a clamping block; 215. positioning the shaft; 216. a metal block; 22. a weighing sensor; 221. stress salient points; 3. a limiting structure; 31. a baffle plate; 32. a connecting frame; 321. a limiting part; 322. a connecting wall; 323. a limiting column; 324. connecting columns; 33. a first extension bar; 34. a second extension bar; 35. a connecting member; 4. a bottom housing assembly; 41. a bottom case; 411. a non-slip mat; 412. a battery case; 413. a cover body; 414. fixing grooves; 415. connecting holes; 42. a support frame; 421. screw holes; 422. and (7) positioning the holes.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1, 2 and 5, an embodiment of the invention discloses an electronic scale, which includes a bottom case assembly 4, a panel assembly 1 and a weight sensing assembly 2, wherein the weight sensing assembly 2 is located between the panel assembly 1 and the bottom case assembly 4, the panel assembly 1 is supported by the weight sensing assembly 2, the weight sensing assembly 2 is supported by the bottom case assembly 4, the panel assembly 1 and the bottom case assembly 4 are in non-fixed connection, a limiting structure 3 is arranged between the panel assembly 1 and the bottom case assembly 4, and the limiting structure 3 is used for limiting a relative displacement stroke of the panel assembly 1 and the bottom case assembly 4 in a vertical direction.

This electronic scale is through placing in the sensing component 2 of will weighing in between drain pan subassembly 4 and panel components 1, will panel components 1 with drain pan subassembly 4 separation is directly supported panel components 1 by sensing component 2 of weighing, need not additionally set up outstanding supporting legs in the bottom of drain pan subassembly 4 for the electronic scale is more platyzied, can effectively avoid the electronic scale to receive heavy inequality to produce the problem of turning on one's side, avoids drain pan subassembly 4 to measuring interference simultaneously, improves and detects the precision.

As shown in fig. 3 to 6, in an embodiment, a mounting seat 13 is disposed on a bottom surface of the panel assembly 1, and the load cell assembly 2 is mounted on the mounting seat 13.

Will weighing sensing component 2 passes through mount pad 13 is fixed in on the panel component 1, can guarantee the relative stability between panel component 1 and the weighing sensing component 2, even small displacement appears in panel component 1 on the horizontal direction, weighing sensing component 2 also can correspond the displacement, avoids because the measurement deviation that the horizontal relative displacement difference between panel component 1 and the weighing sensing component 2 leads to, improves weight measuring accuracy.

In a more preferred embodiment, the load cell assembly 2 includes a load cell 22 and an abutting member 21, the load cell 22 is fixed in the mounting seat 13, the bottom case assembly 4 includes a bottom case 41 and a supporting frame 42, the supporting frame 42 is connected to the top of the bottom case 41, the supporting frame 42 is provided with a plurality of screw holes 421 for fixing and mounting, the bottom case 41 is a plastic part, the supporting frame 42 is a steel frame structure, and two ends of the abutting member 21 abut against the supporting frame 42 and the load cell 22 respectively.

In the present embodiment, the load cell 22 is a G-type resistance strain gauge load cell.

In other embodiments, the load cell 22 may be an M-type resistance strain gauge load cell or other type of sensor, as desired by those skilled in the art.

In a more preferred embodiment, the supporting frame 42 is provided with a positioning hole 422 corresponding to the position of the abutting member 21, the abutting member 21 includes a fixing frame 213, an abutting disc 211 and a plurality of elastic ribs 212, the periphery of the fixing frame 213 is connected to the mounting seat 13, the abutting disc 211 is located inside the fixing frame 213, two ends of the elastic ribs 212 are respectively connected to the outer edge of the abutting disc 211 and the inner edge of the fixing frame 213, one surface of the abutting disc 211 departing from the weighing sensor 22 is provided with a positioning shaft 215, and the positioning shaft 215 passes through the positioning hole 422.

One side of the abutting disc 211 facing the weighing sensor 22 is provided with a metal block 216, the middle of the weighing sensor 22 is provided with a stress salient point 221, and the metal block 216 abuts against the stress salient point 221 of the weighing sensor 22.

The abutting piece 21 is used for realizing the transmission of force between the weighing sensor 22 and the bottom shell assembly 4, the fixing frame 213 of the abutting piece 21 is connected to the mounting seat 13, the abutting disc 211 is connected to the supporting frame 42 through the positioning shaft 215, that is, the horizontal relative position of the fixing frame 213 and the panel assembly 1 is fixed, the horizontal relative position of the abutting disc 211 and the bottom shell assembly 4 is fixed, and when the fixing frame 213 and the abutting disc 211 are displaced relatively, the elastic ribs 212 can prevent the abutting disc 211 from tilting and realize the return of the abutting disc 211; so that the metal block 216 on the abutting tray 211 can be stably contacted with the stress salient point 221 on the weighing sensor 22, and even if the panel assembly 1 and the bottom shell assembly 4 are horizontally displaced, the pressure can be uniformly applied to the weighing sensor 22 through the abutting tray 211.

Specifically, the mount pad 13 includes base 131, a plurality of trip 133 and a plurality of installation piece 132, the shape of base 131 with weighing sensor 22's shape looks adaptation, it is a plurality of trip 133 and a plurality of installation piece 132 encircles the setting of base 131, weighing sensor 22's periphery and a plurality of trip 133 and a plurality of installation piece 132 butt, by trip 133 will weighing sensor 22 block is fixed on base 131, be provided with card hole 134 on the installation piece 132, the periphery of fixed frame 213 is provided with fixture block 214, fixture block 214 inserts form the buckle in the card hole 134 and connect, with fixed frame 213 connect in on the mount pad 13.

As shown in fig. 3 and 4, in an embodiment, the limiting structure 3 includes a baffle 31 and a connecting frame 32, the baffle 31 is connected to a side surface of the mounting seat 13, and the baffle 31 and the bottom surface of the panel assembly 1 are spaced apart to form a displacement space, the connecting frame 32 includes a connecting wall 322 and a limiting portion 321, the limiting portion 321 is disposed in the displacement space in an up-and-down displaceable manner, the connecting wall 322 is connected to an outer edge of the limiting portion 321 away from the mounting seat 13, and the connecting wall 322 is connected to the bottom case assembly 4; when the panel assembly 1 is in the initial state, the limiting portion 321 is separated from the baffle 31 to avoid the influence on the weight test result caused by the supporting effect on the panel assembly 1; the panel assembly 1 is prevented from being separated from the bottom case assembly 4 by the limiting action between the limiting part 321 and the baffle 31.

Specifically, a connecting column 324 is arranged on the connecting wall 322, a connecting hole 415 is formed in the bottom shell assembly 4, specifically, the connecting hole 415 is located in the bottom shell 41, a connecting piece 35 is arranged through the connecting column 324 and the connecting hole 415, and the connecting piece 35 is a screw.

Be provided with spacing post 323 on the connecting wall 322, drain pan subassembly 4 corresponding position be provided with spacing post 323 complex spacing hole (not shown), by the cooperation in spacing post 323 and spacing hole and the cooperation of spliced pole 324 and connecting hole 415 will the link 32 is fixed on the panel components 1, it is specific, connecting wall 322 is the arc structure, spliced pole 324 is located the inner wall middle part of connecting wall 322, the both ends of connecting wall 322 are provided with 2 respectively spacing post 323.

Further, in order to further prevent the panel assembly 1 and the bottom case assembly 4 from being separated, a first extension strip 33 and a second extension strip 34 are connected to two sides of the connecting frame 32, the first extension strip 33 and the second extension strip 34 respectively extend along the inner edge of the panel assembly 1, and one end of the first extension strip 33 away from the connecting frame 32 is connected to the panel assembly 1; the end of the second extension bar 34 remote from the connecting frame 32 is connected to the panel assembly 1; the first extension strip 33 and the second extension strip 34 are flexible structures, and are configured to avoid affecting the stress of the panel assembly 1.

Above-mentioned limit structure 3 has realized the equipment cooperation between panel components 1 and the drain pan subassembly 4, can effectively avoid the moment transmission between panel components 1 and the drain pan subassembly 4 simultaneously, avoids drain pan subassembly 4 to produce the atress of panel components 1 and disturbs.

As shown in fig. 2, in an embodiment, a bottom surface of the bottom case 41 is provided with a battery slot 412 and a non-slip pad 411, the battery slot 412 is used for accommodating a battery to supply power to electronic equipment in the electronic scale, and the battery slot 412 is provided with a cover 413 for detachable sealing.

The bottom surface of the bottom case 41 is provided with a fixing groove 414 at an angular position, the connecting hole 415 is located at the fixing groove 414, the non-slip mat 411 is covered in the fixing groove 414 to cover the connecting hole 415, and the non-slip mat 411 is at least partially exposed out of the fixing groove 414, and the non-slip mat 411 is used for improving the friction force between the bottom case 41 and the ground.

As shown in fig. 2, in an embodiment, the panel assembly 1 includes a middle frame 12 and a panel 11, the middle frame 12 is located on a bottom surface of the panel 11, a display screen (not shown) and a data processing unit (not shown) are disposed on the bottom surface of the middle frame 12, an opening 122 for exposing the display screen is opened on the middle frame 12, and the data processing unit is electrically connected to the weighing sensor assembly 2 and the display screen respectively.

The data processing unit is used for receiving the weight data obtained by the weighing sensing assembly 2 and processing various data, and the display screen is used for displaying the weight data and other data.

The middle frame 12 is a plastic part, and the panel 11 is made of a pressure-resistant material, such as glass or a resin material.

In an embodiment, the top surface of the panel 11 is provided with a through hole 111 and a plurality of conductive electrodes for measuring body fat, and the plurality of conductive electrodes are electrically connected with the data processing unit through the through hole 111.

The through hole 111 is located the middle part of panel 11, the both sides of through hole 111 are provided with the confession respectively the conducting wire board 113 that the electrically conductive electrode draws the electric connecting wire with be used for shielding the apron 112 of through hole 111, it is a plurality of the electrically conductive electrode is followed the periphery of through hole 111 is the annular array, the middle part of center 12 is formed with the hole 121 that the power supply connecting wire passed.

As shown in fig. 1 and 2, in an embodiment, the plurality of weighing sensing elements 2 are disposed around the inner edge of the bottom surface of the panel assembly 1, so as to form a uniform support for the panel assembly 1, and avoid measurement errors caused by uneven stress of different weighing sensing elements 2. Limiting structure 3 is a plurality of, and is a plurality of limiting structure 3 sets up with a plurality of sensing component 2 one-to-one that weigh.

In a more preferred embodiment, the panel assembly 1 and the bottom case assembly 4 are both rectangular plate-shaped structures, which are beneficial to the flattening of the electronic scale, specifically, the number of the weighing sensor assemblies 2 is 4, and correspondingly, the number of the limiting structures 3 is also 4; 4 weighing

sensing component

2 and 4 limit structure 3 one-to-one set up in 4 angular position of 1 bottom surface of panel assembly, simultaneously, 4 weighing

sensing component

2 and 4 limit structure 3 one-to-one set up in 4 angular position of bottom shell subassembly 4 top surface.

It should be noted that, in other embodiments, the panel assembly 1 and the bottom case assembly 4 may also adopt other shape structures, for example, the panel assembly 1 and the bottom case assembly 4 may respectively and independently adopt a circular plate-shaped structure, an oval plate-shaped structure, a triangular plate-shaped structure, an irregular plate-shaped structure, and the like, and all of them are included in the protection scope of the present invention.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An electronic scale is characterized by comprising a bottom shell assembly, a panel assembly and a weighing sensing assembly, wherein the weighing sensing assembly is positioned between the panel assembly and the bottom shell assembly, the panel assembly is supported by the weighing sensing assembly, the weighing sensing assembly is supported by the bottom shell assembly, the panel assembly is in non-fixed connection with the bottom shell assembly, a limiting structure is arranged between the panel assembly and the bottom shell assembly and used for limiting the relative displacement stroke of the panel assembly and the bottom shell assembly in the vertical direction, a mounting seat is arranged on the bottom surface of the panel assembly, the weighing sensing assembly is mounted on the mounting seat, the limiting structure comprises a baffle and a connecting frame, the baffle is connected to the side surface of the mounting seat, and a displacement space is formed between the baffle and the bottom surface of the panel assembly at intervals, the connecting frame comprises a connecting wall and a limiting part, the limiting part can be arranged in the displacement space in an up-and-down displacement mode, the connecting wall is connected to the limiting part and far away from the outer edge of the mounting seat, and the connecting wall is connected with the bottom shell assembly.

2. The electronic scale according to claim 1, wherein the weight sensing assembly includes a weight sensor and an abutting member, the weight sensor is fixed in the mounting seat, the bottom case assembly includes a bottom case and a supporting frame, the supporting frame is connected to a top of the bottom case, and two ends of the abutting member abut against the supporting frame and the weight sensor respectively.

3. The electronic scale according to claim 2, wherein the supporting frame is provided with a positioning hole corresponding to the abutting member, the abutting member includes a fixed frame, a abutting disc and a plurality of elastic ribs, the fixed frame is connected to the mounting base at the periphery thereof, the abutting disc is located inside the fixed frame, two ends of the elastic ribs are respectively connected to the outer edge of the abutting disc and the inner edge of the fixed frame, a positioning shaft is provided on the surface of the abutting disc facing away from the weighing sensor, and the positioning shaft passes through the positioning hole.

4. The electronic scale according to claim 3, wherein a metal block is arranged on one side of the abutting disc facing the weighing sensor, a stress salient point is arranged in the middle of the weighing sensor, and the metal block abuts against the stress salient point of the weighing sensor.

5. The electronic scale according to claim 1, wherein the connecting wall is provided with a connecting column, the bottom shell assembly is provided with a connecting hole, and the connecting column and the connecting hole are provided with a connecting piece in a penetrating way to be connected with each other.

6. The electronic scale according to claim 1, wherein the connecting wall is provided with a limiting post, and a corresponding position of the bottom shell component is provided with a limiting hole matched with the limiting post.

7. The electronic scale according to claim 1, wherein a first extension bar and a second extension bar are connected to two sides of the connecting frame, and one end of the first extension bar, which is far away from the connecting frame, is connected with the panel assembly; one end of the second extending strip, which is far away from the connecting frame, is connected with the panel assembly; the first extension bar and the second extension bar are flexible structures.

8. The electronic scale according to claim 1, wherein the number of the weighing sensing assemblies is plural, the plurality of weighing sensing assemblies are arranged around the inner edge of the bottom surface of the panel assembly, the number of the limiting structures is plural, and the plurality of limiting structures and the plurality of weighing sensing assemblies are arranged in one-to-one correspondence.