CN109540276B - Food weight measuring device for steam box - Google Patents
Food weight measuring device for steam box Download PDFInfo
- Publication number
- CN109540276B CN109540276B CN201710861351.5A CN201710861351A CN109540276B CN 109540276 B CN109540276 B CN 109540276B CN 201710861351 A CN201710861351 A CN 201710861351A CN 109540276 B CN109540276 B CN 109540276B
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- tray
- piece
- rotating shaft
- arm
- main shaft
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- 239000000463 material Substances 0.000 claims abstract description 33
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 239000000725 suspension Substances 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000010411 cooking Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 241001442234 Cosa Species 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 238000010025 steaming Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 206010017472 Fumbling Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009246 food effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
- A47J2027/043—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels for cooking food in steam
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Electric Ovens (AREA)
Abstract
The utility model provides a steam ager food material weight measuring device, is including the tray that can hold food material, its characterized in that: the measuring device also comprises a rotating shaft piece and an elastic piece, wherein the rotating shaft piece comprises a power end and a resistance end, the tray is movably connected to the power end of the rotating shaft piece, and the tray is horizontally suspended in the steam box liner all the time; the elastic piece is provided with a free end, and the free end of the elastic piece is movably connected with the resistance end of the rotating shaft piece; the rotating shaft piece further comprises a balance fulcrum, and the moment from the tension force applied to the power end of the rotating shaft piece to the balance fulcrum is always equal to the moment from the tension force applied to the resistance end of the rotating shaft piece to the balance fulcrum. The utility model has the advantages that: the weight of the food materials placed in the tray is detected through the torque balance principle, the structure is simple, gaps are avoided between the bottom plate of the steam box and the steam box shell, and the measurement accuracy of the weight of the food materials and the cooking effect of the steam box are ensured.
Description
Technical Field
The utility model relates to a steam box for cooking, in particular to a weight measuring device for food materials in the steam box.
Background
The intelligent, integrated and humanized intelligent development trend of kitchen appliances is realized, particularly, the appearance of intelligent menus can help people to save the complicated links of continuous fumbling and try required for making a good dish, and even a new cooking man can cook healthy and delicious dishes rapidly.
At present, intelligent recipes are mostly used for steaming boxes, and the steaming boxes with the intelligent recipes are used for determining cooking time according to the weight of food materials, so that measurement of the weight of the food materials is an essential link of intelligent cooking. The common steam ager does not usually take food weight test function, and the measurement of food weight mainly uses electronic balance, carries out the measurement before the culinary art manually, and this kind of measurement mode not only can increase the cost of extra purchase electronic balance for the user, and the food weight option that can select in the intelligent menu is limited moreover, causes easily that the weight of food that the user prepared corresponds with the weight option in the intelligent menu not, can cause the waste of food from this, perhaps influences the last culinary art effect of food.
In order to accurately obtain the temperature and time required for cooking and ensure the cooking effect, the prior art discloses the following technical scheme as Chinese utility model 'a novel structure steam box' with patent number ZL 201420607509: the pressure sensor capable of detecting the weight of the bracket is arranged in the steam box, and after food is placed on the bracket, the weight of the food can be detected. The weight sensor is adopted in the above patent to directly measure the weight of food, and this kind of measurement mode makes must not link firmly between the chassis of steam ager and the steam ager casing, and the clearance between chassis and the steam ager can make water or steam inflow in the steam ager, influences weight sensor performance, causes to measure inaccurately. Accordingly, the existing steam box structure capable of measuring the weight of food is still to be further improved.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a weight measuring device for food materials in a steam box, which has a simple structure and can effectively ensure measurement accuracy.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a steam ager food material weight measuring device, is including the tray that can hold food material, its characterized in that: the measuring device also comprises a rotating shaft piece and an elastic piece, wherein the rotating shaft piece comprises a power end and a resistance end, the tray is movably connected with the power end of the rotating shaft piece, and the tray is horizontally suspended in the steam box liner all the time; the elastic piece is provided with a free end, and the free end of the elastic piece is movably connected with the resistance end of the rotating shaft piece; the rotating shaft piece further comprises a balance fulcrum, and the moment from the tension force applied to the power end of the rotating shaft piece to the balance fulcrum is always equal to the moment from the tension force applied to the resistance end of the rotating shaft piece to the balance fulcrum.
Considering that the space of the steam box liner is limited, for convenient installation, as the preference, the rotating shaft piece comprises a tray arm, a main shaft rod and an elastic arm which are fixed into a whole, wherein the main shaft rod is rotatably arranged on the side wall of the steam box liner, the tray is connected with the movable end of the tray arm, the movable end of the tray arm is the power end of the rotating shaft piece, the free end of the elastic piece is connected with the movable end of the elastic arm, the movable end of the elastic arm is the resistance end of the rotating shaft piece, and the main shaft rod is also provided with an angle sensor. The rotating shaft part adopts a fixed connecting rod structure, the weight of food materials on the tray is measured by utilizing the lever principle, the structure is simple and compact, the bottom disc of the steam box does not need to be provided with a gap, the problem of inaccurate measurement caused by the adoption of a weight sensor in the prior art is avoided, and the measurement precision is effectively improved.
In order to ensure reliable rotation of the spindle shaft and improve detection sensitivity of the rotation angle of the spindle shaft, preferably, the tray arm, the spindle shaft and the elastic arm are all located in the same plane, the tray arm and the elastic arm are respectively perpendicular to the spindle shaft, and the tray arm and the elastic arm are respectively located at two ends of the spindle shaft and extend in opposite directions. Then, the tray arm, the main shaft rod and the elastic arm form an approximate Z-shaped structure, the main shaft rod is used as the center, moment balance is formed at two ends of the tray arm and the elastic arm, and as the tray arm, the main shaft rod and the elastic arm are in the same plane, as long as the movable end of the tray arm is stressed, the main shaft rod has a certain rotation angle and influences the pulling force of the movable end of the elastic arm, the pulling force of the movable end of the elastic arm can be obtained by the elastic piece, and the stressed size of the movable end of the tray arm, namely the weight on the food material of the tray, can be obtained through the geometric relationship.
For convenient measurement and installation, preferably, the elastic piece is a spring, the spring is vertically arranged, the free end of the spring faces upwards and is hinged with the movable end of the elastic arm, and the fixed end of the spring faces downwards and is connected with the steam box.
Preferably, the angle sensor is a hall angle sensor. The Hall angle sensor is small in size, high in sensitivity, convenient to install in a small space inside the steam box and capable of guaranteeing measurement accuracy.
In order to facilitate the adjustment of the height position of the tray and enable the tray to be in a better suspended and horizontal state, preferably, a suspension piece is further arranged between the tray arm and the tray, one end of the suspension piece is hinged with the movable end of the tray arm, and the other end of the suspension piece is fixedly connected with the tray. The hanging piece can adjust the height position of the tray in the steam box liner according to the requirement, and the hanging piece can enable the tray to have better suspension feel and ensure that the tray is always in a horizontal state.
In order to improve the stability and reliability of the hanging of the tray, preferably, the hanging piece comprises two pull rods, one end of each pull rod is fixedly connected to the tray, the other end of each pull rod is hinged to the movable end of the tray arm, and the two pull rods and the tray are arranged in a triangle.
In order to simplify the structure and facilitate the installation and positioning of the rotating shaft piece, as an optimization, the side wall of the steam box liner is provided with a supporting hole, a main shaft lever of the rotating shaft piece is rotatably arranged in the supporting hole in a penetrating mode, the axis of the main shaft lever is always parallel to the axis of the supporting hole, and the center point of rolling contact between the outer wall of the main shaft lever and the inner wall of the supporting hole is the balance fulcrum of the rotating shaft piece.
In order to improve the support stability of the main shaft rod, the single-side inclination is avoided, and preferably, the axis of the supporting hole is arranged along the horizontal direction, and the main shaft rod is a straight rod which is horizontally arranged.
Compared with the prior art, the utility model has the advantages that: the tray is suspended in the steam box liner all the time, the weight of food materials placed in the tray is detected through the torque balance principle, the structure is simple, the structure does not need to use a gravity (pressure) sensor, a gap is reserved between the steam box bottom plate and the steam box shell, the problem that steam in the use process enters the steam box is prevented, the measurement accuracy of the weight of the food materials is guaranteed, the temperature and the time required for cooking can be accurately obtained, and the cooking effect of the steam box is finally guaranteed.
Drawings
FIG. 1 is a schematic view of a weight measuring device according to an embodiment of the present utility model.
FIG. 2 is a geometric model of spring force according to an embodiment of the present utility model.
FIG. 3 is a geometric model of the tray arm force according to an embodiment of the present utility model.
Detailed Description
The utility model is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1 to 3, the embodiment relates to a food weight measuring device of a steam box, which is installed in a steam box liner 1 and a steam box shell and comprises a tray 2 capable of containing food materials, a rotating shaft piece and an elastic piece, wherein the rotating shaft piece comprises a balance fulcrum, a power end and a resistance end, the elastic piece is provided with a free end capable of elastically resetting, the tray 2 is movably connected with the power end of the rotating shaft piece, and the free end of the elastic piece is movably connected with the resistance end of the rotating shaft piece; the tray 2 is suspended in the steam box liner 1 in a horizontal state all the time, and the power end and the resistance end of the rotating shaft part meet the following moment balance conditions: the moment from the tension of the power end of the rotating shaft to the balance fulcrum is always equal to the moment from the tension of the resistance end of the rotating shaft to the balance fulcrum.
Specifically, as long as the rotating shaft member of the embodiment can meet the torque balance condition, various types of lever mechanisms can be adopted, and considering that the internal space of the steam box is limited, for convenient installation, the internal structure is more compact, and the rotating shaft member of the embodiment adopts the following structure: the rotating shaft piece comprises a tray arm 3, a main shaft rod 4 and an elastic arm 5 which are positioned in the same plane, the tray arm 3, the main shaft rod 4 and the elastic arm 5 are fixed into a whole, the tray arm 3 and the elastic arm 5 are respectively perpendicular to the main shaft rod 4, and the tray arm 3 and the elastic arm 5 are respectively positioned at two ends of the main shaft rod 4 and extend along opposite directions;
the main shaft rod 4 is rotatably arranged on the side wall 11 of the steam box liner 1, the side wall 11 of the steam box liner 1 is provided with a supporting hole 111, the main shaft rod 4 is rotatably arranged in the supporting hole 111 in a penetrating manner, the axis of the main shaft rod 4 is always parallel to the axis of the supporting hole 111, in order to prevent the main shaft rod 4 from obliquely sliding, preferably, the axis of the supporting hole 111 is arranged along the horizontal direction, the main shaft rod 4 is a straight rod which is horizontally arranged, and the center point of rolling contact between the outer wall of the main shaft rod 4 and the inner wall of the supporting hole 111 is the balance fulcrum of the rotating shaft part; the main shaft lever 4 is further provided with an angle sensor 41 for measuring the rotation angle of the main shaft lever 4, and the hall angle sensor with small volume and high sensitivity is preferred in this embodiment.
The tray 2 of the embodiment is connected to the movable end 31 of the tray arm 3, the movable end 31 of the tray arm 3 is the power end of the rotating shaft member, the free end of the elastic member is connected to the movable end 51 of the elastic arm 5, and the movable end 51 of the elastic arm 5 is the resistance end of the rotating shaft member; the spring element is preferably a spring 6, which spring 6 is arranged vertically, the free end 61 of the spring 6 facing upwards and being connected in a hinged manner to the movable end 51 of the spring arm 5, and the fixed end 62 of the spring 6 facing downwards and being connected fixedly to the steam box.
In order to facilitate the installation of the tray, the stability and the reliability of the tray suspension are improved, a suspension piece can be further arranged between the tray 2 and the tray arm 3, the suspension piece comprises two pull rods 7, one end of each pull rod 7 is fixedly connected to the tray 2, the other end of each pull rod 7 is hinged to the movable end of the tray arm 3, and the two pull rods 7 and the tray 2 are arranged in a triangular shape.
In order to better maintain the balance of the tray and avoid shaking the tray when food is placed, two sets of rotating shaft parts are arranged on two sides of the tray 2 symmetrically, correspondingly, the left side wall 11 and the right side wall 11 of the steam box liner 1 are provided with supporting holes 111 respectively, the main shaft rod 4 of each set of rotating shaft parts is arranged in the corresponding supporting holes 111 in a penetrating way, and the resistance end of each set of rotating shaft parts is provided with an elastic part.
In order to avoid the tray from shaking, the tray 2 of this embodiment is provided with suspension pieces between the opposite two sides and the tray arm 3 at the corresponding side, and the two pull rods 7 of each suspension piece and the corresponding side of the tray 2 are in a triangle structure, so that the structure is simple and the stability is high.
The weight measurement of the food materials in the embodiment utilizes the lever balance principle, and because the tray 2 is movably hinged with the corresponding tray arm 3, when the tray 2 generates vertical downward gravity under different weight of the food materials (including empty tray state), the movable end (namely the hinged connection point) of the corresponding tray arm 3 can move along the vertical direction under the action of gravity; the tray arm 3, the main shaft rod 4 and the elastic arm 5 are fixed integrally, when the movable end of the tray arm 3 generates tension change, the main shaft rod 4 rotates at a certain angle, so that the movable end of the elastic arm 5 is driven to displace, and finally, the spring 6 connected with the movable end of the elastic arm 5 is caused to deform;
as shown in fig. 2, a geometric model of the spring stress in this embodiment is shown, where d is the distance between the fixed end of the spring and the balance pivot of the rotating shaft member, and d is fixed after the spring 6 is installed and fixed; l is the length from the hinge point of the spring 6 and the elastic arm 5 to the balance fulcrum; f (F) 1 To the tension of the spring 6 when no food material is placed on the tray 2 x 1 A is the length of the spring 6 when no food material is placed on the tray 2 1 The included angle between the pulling force of the spring 6 and the distance d when no food is placed on the tray 2; wherein x is 1 And F is equal to 1 The relationship of (2) is as follows:k is the stiffness of the spring 6, x is the original length of the spring 6;
F 2 for the tension of the spring 6 when the food material is placed on the tray 2, x 2 For the length of the spring 6 at the moment when the food material is placed on the tray 2, A 2 An included angle between the pulling force of the spring 6 and the distance d when the food is placed on the tray 2; wherein x is 2 And F is equal to 2 The relationship of (2) is as follows:k is the stiffness of the spring 6 and x is the original length of the spring 6.
As shown in fig. 3, in the pallet arm 3 stress geometry model, L 1 For the length of the pallet arm 3, a 1 When no food material is placed on the tray 2, the tray arm 3 and the horizontal planeIs the initial included angle G 1 The weight of the tray 2 when no food material is placed on the tray 2; a, a 2 When food is placed on the tray 2, the included angle between the tray arm 3 and the horizontal plane, G 2 The weight of the tray 2 when the food material is placed on the tray 2.
When the pallet 2 is empty, the spindle shaft 4 rotates due to the weight of the pallet 2, and the spring 6 is stretched to a certain extent, and the movable end of the spring arm 5 receives a moment N 1 The method comprises the following steps: n (N) 1 ＝F 1 ·dcosA 1 Moment N applied to the movable end of the pallet arm 3 2 The method comprises the following steps: n (N) 2 ＝G 1 ·L 1 cosa 1 F according to the moment balance principle 1 ·dcosA 1 ＝G 1 ·L 1 cosa 1 (equation 3);
when the food is placed in the tray 2, the original force balance is destroyed, the spindle rod 4 rotates, the spring 6 is further stretched to increase the pulling force to maintain the new moment balance, and at this time, the moment N born by the movable end of the elastic arm 5 3 The method comprises the following steps: n (N) 3 ＝F 2 ·dcosA 2 Moment N applied to the movable end of the pallet arm 3 4 The method comprises the following steps: n (N) 4 ＝G 2 ·L 1 cosa 2 F according to the moment balance principle 2 ·dcosA 2 ＝G 2 ·L 1 cosa 2 (equation 4).
Since the weight Δg of the food material is: Δg=g 2 -G 1 (equation 5) from the above equation 1, equation 2, equation 3, equation 4, and equation 5, the following food material weight calculation equation can be finally obtained:
wherein the parameters d, L in equation 6 1 、F 1 、F 2 、x 1 And x 2 Are all available directly, and a 1 、a 2 It can be obtained by measuring the angle through which the spindle rod 4 rotates by a hall angle sensor, a 1 、A 2 It can be derived and calculated according to the trigonometric cosine law,under the condition that the parameters are known, the exact weight of any food material placed in the tray 2 can be calculated according to the formula 6, so that the temperature and time required to be cooked can be accurately obtained, the food material waste is avoided, and the cooking effect of the steam box can be ensured.
Claims (4)
1. The utility model provides a steam ager food material weight measuring device, is including tray (2) that can hold food material, its characterized in that: the measuring device also comprises a rotating shaft part and an elastic part, wherein the rotating shaft part comprises a power end and a resistance end, the tray (2) is movably connected to the power end of the rotating shaft part, and the tray (2) is horizontally suspended in the steam box liner (1) all the time; the elastic piece is provided with a free end, and the free end of the elastic piece is movably connected with the resistance end of the rotating shaft piece; the rotating shaft piece also comprises a balance fulcrum, and the moment from the tension of the power end of the rotating shaft piece to the balance fulcrum is always equal to the moment from the tension of the resistance end of the rotating shaft piece to the balance fulcrum;
the rotary shaft piece comprises a tray arm (3), a main shaft rod (4) and an elastic arm (5) which are fixed into a whole, the main shaft rod (4) is rotatably arranged on the side wall of the steam box liner, the tray (2) is connected to the movable end of the tray arm (3), the movable end of the tray arm (3) is the power end of the rotary shaft piece, the free end of the elastic piece is connected to the movable end of the elastic arm (5), the movable end of the elastic arm (5) is the resistance end of the rotary shaft piece, and the main shaft rod (4) is also provided with an angle sensor (41);
the tray arm (3), the main shaft lever (4) and the elastic arm (5) are all positioned in the same plane, the tray arm (3) and the elastic arm (5) are respectively perpendicular to the main shaft lever (4), and the tray arm (3) and the elastic arm (5) are respectively positioned at two ends of the main shaft lever (4) and extend along opposite directions;
the elastic piece is a spring (6), the spring (6) is vertically arranged, the free end (61) of the spring (6) faces upwards and is hinged with the movable end of the elastic arm (5), and the fixed end (62) of the spring (6) faces downwards and is connected with the steam box;
the side wall of the steam box liner (1) is provided with a supporting hole (111), a main shaft lever (4) of the rotating shaft piece is rotatably arranged in the supporting hole (111) in a penetrating mode, the axis of the main shaft lever (4) is always parallel to the axis of the supporting hole (111), and a center point of rolling contact between the outer wall of the main shaft lever (4) and the inner wall of the supporting hole (111) is a balance fulcrum of the rotating shaft piece;
the axis of the supporting hole (111) is arranged along the horizontal direction, and the main shaft lever (4) is a straight lever which is horizontally arranged.
2. The steamer food material weight measurement device of claim 1, wherein: the angle sensor (41) is a Hall angle sensor.
3. The steamer food material weight measurement device of claim 1, wherein: a suspension piece is further arranged between the tray arm (3) and the tray (2), one end of the suspension piece is hinged with the movable end of the tray arm (3), and the other end of the suspension piece is fixedly connected with the tray (2).
4. A steamer food material weight measurement device as in claim 3 wherein: the suspension piece comprises two pull rods (7), one end of each pull rod (7) is fixedly connected to the tray (2), the other end of each pull rod (7) is hinged to the movable end of the tray arm (3), and the two pull rods (7) and the tray (2) are arranged in a triangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710861351.5A CN109540276B (en) | 2017-09-21 | 2017-09-21 | Food weight measuring device for steam box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710861351.5A CN109540276B (en) | 2017-09-21 | 2017-09-21 | Food weight measuring device for steam box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109540276A CN109540276A (en) | 2019-03-29 |
| CN109540276B true CN109540276B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710861351.5A Active CN109540276B (en) | 2017-09-21 | 2017-09-21 | Food weight measuring device for steam box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109540276B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB693431A (en) * | 1950-02-23 | 1953-07-01 | Nat Res Dev | Improvements in or relating to weighing apparatus |
| CN2160893Y (en) * | 1992-10-15 | 1994-04-06 | 机械电子工业部郑州机械研究所 | Automatic continuous weighing apparatus for granules |
| JPH07181074A (en) * | 1993-12-22 | 1995-07-18 | Sharp Corp | Measuring apparatus for object being heated by microwave range |
| US5811740A (en) * | 1995-10-23 | 1998-09-22 | Hamilton, Sr.; Brian L. | Weight measuring device for cooking appliance |
| CN104748898A (en) * | 2013-12-31 | 2015-07-01 | 贵州航天乌江机电设备有限责任公司 | Method and device for measuring actual static frictional torque of rolling bearing |
| CN105595859A (en) * | 2016-02-18 | 2016-05-25 | 梁伟池 | Floating type detection device |
-
2017
- 2017-09-21 CN CN201710861351.5A patent/CN109540276B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB693431A (en) * | 1950-02-23 | 1953-07-01 | Nat Res Dev | Improvements in or relating to weighing apparatus |
| CN2160893Y (en) * | 1992-10-15 | 1994-04-06 | 机械电子工业部郑州机械研究所 | Automatic continuous weighing apparatus for granules |
| JPH07181074A (en) * | 1993-12-22 | 1995-07-18 | Sharp Corp | Measuring apparatus for object being heated by microwave range |
| US5811740A (en) * | 1995-10-23 | 1998-09-22 | Hamilton, Sr.; Brian L. | Weight measuring device for cooking appliance |
| CN104748898A (en) * | 2013-12-31 | 2015-07-01 | 贵州航天乌江机电设备有限责任公司 | Method and device for measuring actual static frictional torque of rolling bearing |
| CN105595859A (en) * | 2016-02-18 | 2016-05-25 | 梁伟池 | Floating type detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109540276A (en) | 2019-03-29 |
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