CN105910379A - A weighing device and weighing drawer for a refrigerator - Google Patents

A weighing device and weighing drawer for a refrigerator Download PDF

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Publication number
CN105910379A
CN105910379A CN201610299623.2A CN201610299623A CN105910379A CN 105910379 A CN105910379 A CN 105910379A CN 201610299623 A CN201610299623 A CN 201610299623A CN 105910379 A CN105910379 A CN 105910379A
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CN
China
Prior art keywords
weighing
weighing device
upper bracket
refrigerator
bracket
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Granted
Application number
CN201610299623.2A
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Chinese (zh)
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CN105910379B (en
Inventor
彭红亮
刘兆祥
高韬
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Hisense Shandong Refrigerator Co Ltd
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Hisense Shandong Refrigerator Co Ltd
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Priority to CN201610299623.2A priority Critical patent/CN105910379B/en
Publication of CN105910379A publication Critical patent/CN105910379A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/52—Weighing apparatus combined with other objects, e.g. furniture

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

The invention discloses a weighing device for a refrigerator. The weighing device comprises a bottom bracket, a gravity sensor, an upper bracket and a weighing scale which are sequentially arranged from bottom to top. The gravity sensor is fixed to the bottom bracket and is fixed to the weighing scale through the upper bracket. The upper bracket is located in the center of the weighing scale. The length of the upper bracket is equal to 1/3-2/3 of the length of the weighing scale, and the width of the upper bracket is equal to 1/3-2/3 of the width of the weighing scale. The invention further discloses a weighing drawer comprising the weighing device. According to the weighing device for the refrigerator, by arranging the upper bracket, the force moment borne by the weighing scale is reduced, deformation of the weighing scale is reduced, and accordingly the contact probability of the weighing scale and other structures is reduced; and the problem that weighing is inaccurate due to the fact that the weighing scale makes contact with the other structures is solved, and the weighing precision is high.

Description

A kind of weighing device for refrigerator and drawer of weighing
Technical field
The present invention relates to a kind of weighing device for refrigerator and drawer of weighing.
Background technology
Along with the demand of refrigerator functions is increasingly become more meticulous by user, if able to the weight information of storage food in periodically obtaining refrigerator, the surplus of suffered from indigestion product is judged by weight information, so as to reminding user to buy supplementary in time is user's new demand to refrigerator functions, the weighing principle of band food weight perceptive function refrigerator is at present: by arranging LOAD CELLS under matter storage lattice, LOAD CELLS supports matter storage lattice by the scale pan, in matter storage lattice during placing articles, the resistance strain gage of LOAD CELLS produces deformation, now the resistance value of resistance strain gage can change accordingly, and then the voltage making gravity sensor export changes, after this voltage is processed by signal processing circuit, weight information by MCU control chip output food.Owing to the scale pan uses plastic material, it is screwed in one end of gravity sensor, when scale pan stress, it is easy to deform upon, owing to the shape length of refrigerator matter storage lattice is longer much than general electronic scale, if now food being put partially, then add the scale pan place food laterally under deformation quantity, other shelves easilying lead to a side bottom and the supporting construction being positioned at below gravity sensor or refrigerator that parcel tray is placed with food contact, the weight making food can not all be delivered to gravity sensor, and then the data making weight sensor draw are inaccurate.
Summary of the invention
It is easy to deform upon when the present invention is to solve the weighing device in current refrigerator due to scale pan stress and touches other structures and cause the inaccurate problem of weighing data, it is proposed that a kind of weighing device for refrigerator and drawer of weighing, the problems referred to above can be solved.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of weighing device for refrigerator, including the bottom bracket set gradually from bottom to top, gravity sensor, upper bracket and the scale pan, described gravity sensor is fixed on described bottom bracket, and described gravity sensor is fixed with the described scale pan by described upper bracket.
Based on the above-mentioned weighing device for refrigerator, the present invention proposes one simultaneously and weighs drawer, including drawer body, described drawer body is provided with foregoing weighing device, and described bottom bracket is fixed on described drawer body.
Compared with prior art, advantages of the present invention and good effect be: the weighing device for refrigerator of the present invention, by arranging upper bracket, reduce the moment that the scale pan bears, the deformation that the scale pan produces can diminish, thus reduce the probability of other form touch of the scale pan, solve the inaccurate problem of weighing caused due to the scale pan and other form touch.
After reading in conjunction with the accompanying the detailed description of embodiment of the present invention, the other features and advantages of the invention will become clearer from.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of example structure split schematic diagram of the weighing device for refrigerator proposed by the invention；
Fig. 2 be the weighing device for refrigerator proposed by the invention a kind of embodiment in Standard schematic diagram；
Fig. 3 is the force analysis figure of weighing device in Fig. 1 for refrigerator；
Fig. 4 is the detail view of Fig. 1 middle and upper part support；
Fig. 5 is the detail view of sensor body in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment one
The present embodiment proposes a kind of weighing device for refrigerator, as shown in Figure 1 and Figure 2, including the bottom bracket 11 set gradually from bottom to top, gravity sensor, upper bracket 13 and the scale pan 14, according to matter storage lattice material and the difference bearing pressure, upper bracket 13 is positioned at the center of the scale pan 14, its length accounts for the 1/3-2/3 of the scale pan 14 length, width accounts for the 1/3-2/3 of the scale pan 14 width, gravity sensor is fixed on bottom bracket 11, and gravity sensor is fixed with the scale pan 14 by upper bracket 13.The weighing principle of this weighing device is, when having weight on the scale pan, the gravity of weight concentrates at gravity sensor by upper bracket transmission, mechanical quantity is transformed into the voltage of output and changes by gravity sensor, after this voltage is processed by signal processing circuit, weight information by control chip output food, by arranging upper bracket, reduce the moment that the scale pan bears, the deformation that the scale pan produces can diminish, thus reduce the probability of other form touch of the scale pan, solve the inaccurate problem of weighing caused due to the scale pan and other form touch.
nullSpecifically，As shown in Figure 2，Gravity sensor includes sensor body 12，Sensor body 12 is provided with the first connecting portion 15 being connected with upper bracket 12 and the second connecting portion 16 being connected with bottom bracket 11，First connecting portion 15 and the second connecting portion 16 lay respectively at sensor body 12 both sides along its length，Gravity sensor also includes the first resistance strain gage and the second resistance strain gage (not shown)，First resistance strain gage and the second resistance strain gage are respectively oppositely arranged on upper surface and the lower surface of sensor body 12,And the position between the first connecting portion 15 and the second connecting portion 16，First connecting portion 15 and the second connecting portion 16 are arranged at the diagonal position of sensor body 12 by above-mentioned gravity sensor，Advantageously allow resistance strain gage and produce deformation，Improve weighing precision.
nullAs shown in Figure 3，The P portion of the such as scale pan 14 is placed with weight (this position is the position being typically easiest in Fig. 1 make the scale pan 14 produce deformation)，The gravity of this weight is F，If if being not provided with upper bracket 13，The arm of force that the scale pan bears is L，Namely stress point is to the distance of resistance strain gage position，The moment that the corresponding scale pan bears is M=FL，After upper bracket 13 is set，First the gravity of weight puts in upper bracket 13，Then resistance strain gage position is put on by upper bracket 13，Namely the arm of force is reduced to L-L '，The moment that the corresponding scale pan 14 bears is reduced to M '=FL FL '，The deformation that the scale pan 14 produces can diminish，Thus reduce the probability of other form touch such as the scale pan and bottom shelf，Solve the inaccurate problem of weighing caused due to the scale pan 14 and other form touch.
The length direction of sensor body 12 has the pair of parallel hole of level, is used for reducing sensor body 12 rigidity, increases deflection when weighing.
This weighing device is particularly suited in the equipment such as refrigerator, in refrigerator big due to ambient humidity, the scale pan often uses has antiseptic property, and material is light, the plastic material being prone to processing makes, but the shortcoming of plastic material is poor rigidity, deformation it is susceptible to when being under pressure, again owing to being limited by interior refrigerator space, in order to provide the user with the use space of maximum, need each structure all design compacter, therefore, (such as shelf between the scale pan and around other structures, neighbouring matter storage lattice etc.) do not touch other structures when can not leave enough distances to prevent the scale pan from deforming, therefore scale pan deformation and other structures touch and then cause inaccurate problem of weighing, the weighing device of the present embodiment i.e. solves the problems referred to above.It should be noted that the weighing device of the present embodiment can be assemblied in but the matter storage lattice that is not limited on refrigerator door, it is also possible on the shelf being assemblied in refrigerator compartment and drawer.
Bottom bracket 11 plays the effect of support, can share the stress bottom matter storage lattice simultaneously, and to playing the effect of protection bottom matter storage lattice, this part has no effect on the result weighed.
Owing to upper bracket 13 top needs to accept the scale pan 14, bottom needs be connected fixing with sensor body 12, for convenience upper bracket 13 is fixed with said two structure, as shown in Figure 4, upper bracket 13 has intermediate recess portion 131 and the first wing limit 132 being positioned on top, two side, intermediate recess portion 131, intermediate recess portion 131 is connected with sensor body 12 by the first connecting portion 15, first wing limit 132 is then connected with the scale pan 14, this structure makes upper bracket 13 form solid space structure to carry out load-bearing, direct and the stress of weight contact site can be buffered, improve its service life.
As shown in Figure 3, position corresponding with described wing limit 132 on the scale pan 14 has the depressed part 141 of concave downward, and this depressed part 141 matches with the structure on wing limit 132, and wing limit 132 is fixed with depressed part 141, play fixed-wing limit 132, prevent the effect that upper bracket 13 is slided.
As shown in Figure 4, active force bearing sensor caused in order to reduce upper bracket 13 to conduct oneself with dignity, the diapire in intermediate recess portion 131 is offered lightening hole 133, farthest to reduce the weight of upper bracket 13.
Bottom bracket 11 has intermediate projections portion and the second wing limit being positioned on bottom, two side, intermediate projections portion, intermediate projections portion is connected with described sensor body, second wing limit is for the drawer being fixed in refrigerator or dividing plate, the structure of upper bracket 13 is similar with the structure of the upper bracket 13 of back-off, and both reach similar technique effect.
Specifically, first connecting portion 15 is the first connecting hole of the wherein one end upper surface being arranged on sensor body 12, second connecting portion 16 is the second connecting hole of the other end lower surface being arranged on sensor body 12, sensor body 12 is threadeded with described upper bracket 13 by the first pad, and sensor body 12 is threadeded with bottom bracket 11 by described second pad.First pad is used for connecting upper bracket 13 and sensor body 12, is transferred on resistance strain gage by the first pad by the gravity claiming article simultaneously, and the thickness of the preferably first pad and the second pad is 2-4mm.Preferably first pad and the second pad width identical with the width of sensor body 12, as shown in Figure 5, in the present embodiment, A is had in sensor body 12, B, C, tetra-installing holes of D, wherein A, B is positioned at the position of the first pad, have and A on first pad, the through hole that B two installing hole is corresponding, by fixed structures such as screws, sensor body 12 can be fixed by upper bracket 13, as a same reason, installing hole C, D is for fixing sensor body 12 with bottom bracket 11, A, B, C, the a certain support that tetra-installing holes of D can not be optionally combined with upper bracket 13 or bottom bracket 11 is fixed, such as cannot B, C fixes upper bracket 13.
In order to safeguard the cleaning of the scale pan 14, as it is shown in figure 1, preferably the upper surface at the scale pan 14 is provided with scale pan lid 17.In order to protect the surrounding side of the scale pan 14 to clean simultaneously, in the present embodiment, scale pan lid 17 is downward opening box like structure, and described box like structure button is located at the upper surface of the described scale pan 14, and scale pan lid 17 can freely take off, and facilitates user to dismount cleaning.
In order to prevent owing to some weights are longer, it part may stretch out from scale pan lid 17 and touch refrigerator inwall or other structures and then the inaccurate problem that causes weighing, as shown in Figure 1, one week of scale pan lid 17 has upwardly extending rib 20, prevents the surface from scale pan lid 17 from stretching out for blocking object.
Improvement part has mainly been carried out in detail, has clearly illustrated by the weighing device of the present embodiment, certainly this weighing device is not limited only to include structure noted before, such as, as shown in Figure 1, also include that weighing device must use such as mainboard 18, wherein being provided with signal processing circuit, control chip etc. on mainboard 18, and include the battery for powering for weighing device, battery is arranged in battery case 19.
Embodiment two
The present embodiment proposes one and weighs drawer, as shown in Figure 1, including drawer body 30, also include as a kind of in embodiment described in weighing device, weighing device is fixed in drawer body 30 by its bottom bracket 11, the concrete structure of this weighing device sees in Fig. 1-Fig. 5 and embodiment one described, does not repeats at this.
Certainly; described above is not limitation of the present invention; the present invention is also not limited to the example above, change that those skilled in the art are made in the essential scope of the present invention, retrofits, adds or replaces, and also should belong to protection scope of the present invention.

Claims (10)

1. 一种用于冰箱的称重装置，其特征在于：包括自下而上依次设置的底部支架、重力传感器、上部支架、以及秤盘，所述重力传感器固定在所述底部支架上，所述重力传感器通过所述上部支架与所述秤盘固定,所述上部支架位于所述秤盘的中心位置,其长度占所述秤盘长度的1/3-2/3,宽度占所述秤盘宽度的1/3-2/3。 1. a kind of weighing device for refrigerator, it is characterized in that: comprise the bottom bracket that is arranged successively from bottom to top, gravity sensor, upper support and weighing pan, described gravity sensor is fixed on the described bottom bracket, so The gravity sensor is fixed to the weighing pan through the upper bracket, the upper bracket is located at the center of the weighing pan, its length accounts for 1/3-2/3 of the length of the weighing pan, and its width accounts for 1/3-2/3 of the weighing pan. 1/3-2/3 of the disc width. 2.根据权利要求1所述的用于冰箱的称重装置，其特征在于：所述重力传感器包括传感器本体,所述传感器本体上设有与所述上部支架连接的第一连接部以及与所述底部支架连接的第二连接部,所述第一连接部与所述第二连接部分别位于所述传感器本体沿长度方向的两侧,还包括第一电阻应变片与第二电阻应变片,所述第一电阻应变片与所述第二电阻应变片分别相对地设置于所述传感器本体的上端面和下端面上,且位于第一连接部与所述第二连接部之间的位置。 2. The weighing device for refrigerators according to claim 1, characterized in that: the gravity sensor includes a sensor body, and the sensor body is provided with a first connecting portion connected to the upper bracket and a first connecting portion connected to the upper bracket. The second connection part connected to the bottom bracket, the first connection part and the second connection part are respectively located on both sides of the sensor body along the length direction, and also include a first resistance strain gauge and a second resistance strain gauge, The first resistance strain gauge and the second resistance strain gauge are respectively arranged on the upper end surface and the lower end surface of the sensor body oppositely, and are located between the first connection part and the second connection part. 3.根据权利要求2所述的用于冰箱的称重装置，其特征在于：所述上部支架具有中间凹陷部和位于中间凹陷部两侧壁顶端上的第一翼边，所述中间凹陷部与所述传感器本体连接，所述第一翼边与所述秤盘连接。 3. The weighing device for a refrigerator according to claim 2, characterized in that: the upper bracket has a middle concave portion and first wings located on top ends of both side walls of the middle concave portion, and the middle concave portion It is connected with the sensor body, and the first wing is connected with the weighing pan. 4.根据权利要求5所述的用于冰箱的称重装置，其特征在于：所述秤盘上与所述翼边相对应的位置处具有向下凹陷的凹陷部，所述翼边与所述凹陷部固定。 4. The weighing device for refrigerators according to claim 5, characterized in that: the position corresponding to the wing on the weighing pan has a downwardly recessed recess, and the wing is in contact with the wing The recessed part is fixed. 5.根据权利要求3所述的用于冰箱的称重装置，其特征在于：所述中间凹陷部的底壁上开设减重孔。 5 . The weighing device for a refrigerator according to claim 3 , wherein a weight reducing hole is provided on the bottom wall of the middle recessed portion. 5 . 6.根据权利要求1所述的用于冰箱的称重装置，其特征在于：所述底部支架具有中间凸起部和位于中间凸起部两侧壁底端上的第二翼边，所述中间凸起部与所述传感器本体连接，所述第二翼边用于固定在冰箱内的抽屉或者隔板上。 6. The weighing device for a refrigerator according to claim 1, characterized in that: the bottom bracket has a middle raised portion and second wings located on the bottom ends of both side walls of the middle raised portion, the The middle raised part is connected with the sensor body, and the second wing is used to be fixed on a drawer or a partition in the refrigerator. 7.根据权利要求2所述的用于冰箱的称重装置，其特征在于：所述传感器本体通过所述第一垫片与所述上部支架连接，所述传感器本体通过所述第二垫片与所述底部支架连接。 7. The weighing device for a refrigerator according to claim 2, wherein the sensor body is connected to the upper bracket through the first gasket, and the sensor body is connected to the upper bracket through the second gasket Connect with the bottom bracket. 8.根据权利要求1-7任一项所述的用于冰箱的称重装置，其特征在于：所述秤盘的上表面设置有秤盘盖，所述秤盘盖为开口朝下的盒状结构，所述盒状结构扣设于所述秤盘的上表面。 8. The weighing device for refrigerators according to any one of claims 1-7, characterized in that: the upper surface of the weighing pan is provided with a weighing pan cover, and the weighing pan cover is a box with the opening facing downward. The box-like structure is buckled on the upper surface of the weighing pan. 9.根据权利要8所述的用于冰箱的称重装置，其特征在于：所述秤盘盖的一周具有向上延伸的挡边。 9 . The weighing device for a refrigerator according to claim 8 , wherein a circumference of the weighing pan cover has a rib extending upward. 10 . 10.一种称重抽屉，其特征在于：包括抽屉本体，所述抽屉本体上设置有如权利要求1-9任一项所述的称重装置，所述底部支架固定于所述抽屉本体上。 10. A weighing drawer, characterized by comprising a drawer body on which the weighing device according to any one of claims 1-9 is arranged, and the bottom bracket is fixed on the drawer body.
CN201610299623.2A 2016-05-09 2016-05-09 A kind of weighing device and drawer of weighing for refrigerator Active CN105910379B (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN108497839A (en) * 2017-12-18 2018-09-07 上海云拿智能科技有限公司 The shelf of kinds of goods can be perceived
CN111568123A (en) * 2020-04-29 2020-08-25 合肥美的智能科技有限公司 Shelving components and containers
CN111895718A (en) * 2020-07-30 2020-11-06 青岛海尔电冰箱有限公司 Storage drawer and refrigerator having the same
CN112393491A (en) * 2020-11-23 2021-02-23 安徽康佳同创电器有限公司 Refrigerator with gravity induction function
CN112611147A (en) * 2020-12-11 2021-04-06 安徽康佳同创电器有限公司 Refrigerator with weight induction function
CN114459586A (en) * 2020-11-09 2022-05-10 青岛海尔电冰箱有限公司 Calibration method of weighing device in refrigerating device and refrigerating device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108497839A (en) * 2017-12-18 2018-09-07 上海云拿智能科技有限公司 The shelf of kinds of goods can be perceived
CN111568123A (en) * 2020-04-29 2020-08-25 合肥美的智能科技有限公司 Shelving components and containers
CN111895718A (en) * 2020-07-30 2020-11-06 青岛海尔电冰箱有限公司 Storage drawer and refrigerator having the same
CN111895718B (en) * 2020-07-30 2022-03-25 青岛海尔电冰箱有限公司 Storage drawer and refrigerator with same
CN114459586A (en) * 2020-11-09 2022-05-10 青岛海尔电冰箱有限公司 Calibration method of weighing device in refrigerating device and refrigerating device
CN112393491A (en) * 2020-11-23 2021-02-23 安徽康佳同创电器有限公司 Refrigerator with gravity induction function
CN112611147A (en) * 2020-12-11 2021-04-06 安徽康佳同创电器有限公司 Refrigerator with weight induction function

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