Electromagnetic range

Abstract

The utility model belongs to the technical field of cookers, and discloses an electromagnetic range. The electromagnetic range comprises a panel, a weighing assembly and a bottom shell, one end of the weighing assembly is connected with the bottom shell, the other end of the weighing assembly is connected with the panel, the panel is arranged above the bottom shell in a suspended mode, the electromagnetic range further comprises an electric control component, the electric control component comprises an electric appliance box, a control panel and an electromagnetic assembly, and the control panel and the electromagnetic assembly are arranged in the electric appliance box. An opening is formed in the top end of the electric appliance box, the electric appliance box is connected to the bottom face of the panel, and the electric appliance box and the bottom shell are arranged in a spaced mode; the control panel is electrically connected with the electromagnetic assembly, and the electromagnetic assembly is used for heating the panel. The electric control component is arranged on the panel and is spaced from the bottom shell, so that the weight of food materials or seasonings on the panel can only be transmitted to the weighing component, and the accuracy of a weighing result is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stoves, in particular to an electromagnetic stove. Background Art

[0002] Induction cookers are widely used for their advantages of high efficiency, energy saving, economical and clean, safe and convenient. Induction cookers have a weighing function so that when cooking, ingredients and seasonings can be added according to a certain weight ratio.

[0003] At present, the electromagnetic cooker generally includes a panel, a weighing assembly and a bottom shell. The weighing assembly connects the panel and the bottom shell so that the panel is located above the bottom shell, and the weighing assembly can obtain the weight of the food or seasoning on the panel. Since the electromagnetic cooker also includes other functional components, these functional components are arranged on the bottom shell and abut against or connect with the panel, resulting in the weight of the food or seasoning on the panel being transferred to the bottom shell through the components between the panel and the bottom shell, affecting the weighing accuracy of the weighing assembly. Utility Model Content

[0004] The utility model aims to provide an electromagnetic cooker which can improve the accuracy of the weighing function.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] An electromagnetic cooker comprises a panel, a weighing assembly and a bottom shell, wherein one end of the weighing assembly is connected to the bottom shell, and the other end is connected to the panel, and the panel is suspended above the bottom shell. The electromagnetic cooker also comprises an electric control component, and the electric control component comprises:

[0007] An electrical box, the top of which is open, the electrical box is connected to the bottom surface of the panel, and the electrical box is spaced apart from the bottom shell;

[0008] A control board and an electromagnetic component are arranged in the electrical box, wherein the control board is electrically connected to the electromagnetic component, and the electromagnetic component is used to heat the panel.

[0009] As an optional solution of the above-mentioned induction cooker, the panel includes a panel body and a reinforcement plate which are stacked together, the reinforcement plate is located on the back of the panel body, a heating zone is arranged on the panel body, the reinforcement plate is provided with a first avoidance hole arranged opposite to the heating zone, and the electromagnetic component is directly opposite to the first avoidance hole for heating the heating zone.

[0010] As an optional solution of the above electromagnetic cooker, the panel further includes a positioning block, the positioning block is connected to the reinforcing plate and protrudes downward from the reinforcing plate, and the electromagnetic assembly is connected to the positioning block;

[0011] And / or the reinforcing plate is made of stainless steel or aluminum.

[0012] As an optional solution of the above electromagnetic cooker, the reinforcing plate is bonded to the panel body by an adhesive layer;

[0013] And / or, the positioning block and the reinforcing plate are bonded to each other via an adhesive layer;

[0014] And / or, the positioning block is snap-connected to the electromagnetic assembly or fixed by a fastener.

[0015] As an optional solution of the above-mentioned induction cooker, the number of the positioning blocks is at least two, each of the positioning blocks is provided with a rib, and the rib extends around the circumferential edge of the electromagnetic component to enclose a limiting groove for accommodating the electromagnetic component.

[0016] As an optional solution of the above electromagnetic cooker, a positioning column is arranged in the electrical box, the electromagnetic component includes a positioning groove, and the positioning column extends into the positioning groove.

[0017] As an optional solution of the above electromagnetic cooker, an elastic member is provided between the positioning groove and the positioning column;

[0018] And / or, the positioning column is provided with a fixing hole penetrating the electrical box, a fastener is fitted in the fixing hole, and the fastener passes through the positioning groove and is connected to the panel.

[0019] As an optional solution of the above electromagnetic cooker, the electrical box is provided with an air inlet grille, and the bottom shell is provided with a heat dissipation grille directly facing the air inlet grille.

[0020] As an optional solution of the above-mentioned induction cooker, the induction cooker also includes a control component, which is arranged between the panel and the bottom shell, connected to the panel and spaced apart from the bottom shell, and electrically connected to the control panel.

[0021] As an optional solution of the above electromagnetic cooker, the control component includes:

[0022] A control box cover, which is arranged on the bottom surface of the panel and forms a control cavity with the panel;

[0023] A control member, disposed in the control cavity, and electrically connected to the control panel;

[0024] The electromagnetic cooker further comprises a weighing circuit board, which is arranged on the control box cover and is electrically connected to the weighing assembly and the control board respectively.

[0025] Beneficial effects of the utility model:

[0026] In the electromagnetic cooker provided by the utility model, the electric control component is arranged on the panel and is spaced apart from the bottom shell, so that the weight of the food or seasoning on the panel can only be transmitted to the weighing component, thereby improving the accuracy of the weighing result. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is an exploded view of the electromagnetic cooker provided in the first embodiment of the utility model;

[0028] Figure 2 is a cross-sectional view of an electromagnetic cooker provided in Embodiment 1 of the utility model;

[0029] Figure 3 It is a structural schematic diagram of the electromagnetic cooker provided in the first embodiment of the utility model when the bottom shell is not assembled;

[0030] Figure 4 This is an exploded view of the electromagnetic cooker provided in the second embodiment of the utility model;

[0031] Figure 5 It is a cross-sectional view of an electromagnetic cooker provided in Embodiment 2 of the present utility model.

[0032] In the figure:

[0033] 10. Panel; 11. Panel body; 12. Reinforcement plate; 121. First avoidance hole; 122. Second avoidance hole; 13. Positioning block; 131. Side guard; 14. Mica sheet; 20. Electronic control component; 21. Electrical box; 211. Positioning column; 212. Air inlet grille; 22. Electromagnetic component; 221. Coil seat; 222. Electromagnetic coil; 23. Control board; 24. Elastic part; 30. Weighing component; 31. Weighing sensor; 32. Load-bearing part; 33. Sensor bracket; 40. Bottom shell; 41. Heat dissipation grille; 50. Control component; 60. Weighing circuit board; 70. Sealing ring. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0035] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0036] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0037] In the description of this embodiment, the terms "upper", "lower", "right", etc., are based on the directions or positions shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0038] Embodiment 1

[0039] This embodiment provides an electromagnetic cooker with a weighing function and accurate weighing results. Figure 1 As shown, the electromagnetic cooker includes a panel 10, a weighing assembly 30, a bottom shell 40, and an electric control component 20. One end of the weighing assembly 30 is connected to the bottom shell 40, and the other end is connected to the panel 10, so that the panel 10 is suspended above the bottom shell 40, and the weight of the food or seasoning placed on the panel 10 can be applied to the weighing assembly 30, so that the weighing assembly 30 can realize the weighing function. The electric control component 20 includes an electrical box 21 and electrical components arranged in the electrical box 21, the top of the electrical box 21 is open, the electrical box 21 is connected to the panel 10, the electrical box 21 is located in the bottom shell 40, and the electrical box 21 is spaced apart from the bottom shell 40.

[0040] In the induction cooker of this embodiment, the electronic control component 20 is arranged on the panel 10 and is spaced apart from the bottom shell 40, so that the weight of the food or seasoning on the panel 10 can only be transmitted to the weighing component 30, thereby improving the accuracy of the weighing result.

[0041] Specifically, the electrical components in the electrical box 21 include a control board 23 and an electromagnetic assembly 22, the control board 23 is electrically connected to the electromagnetic assembly 22, and the electromagnetic assembly 22 is used to heat the panel 10. The control board 23 and the electromagnetic assembly 22 are both arranged in the electrical box 21 and will not contact the bottom shell 40, thereby preventing the force on the panel 10 from being transmitted to the bottom shell 40 through the control board 23 or the electromagnetic assembly 22, and preventing the weight from being transmitted to the bottom shell 40 through other structures outside the weighing assembly 30, thereby ensuring the weighing accuracy.

[0042] like Figure 1 As shown, the panel 10 includes a stacked panel body 11, a mica sheet 14 and a reinforcing plate 12, the reinforcing plate 12 is located on the back of the panel body 11, and the reinforcing plate 12 is used to improve the strength of the panel 10, reduce the deformation of the panel body 11, and prevent the panel 10 from being damaged when the pot or kitchenware falls downward; a heating zone is provided on the panel body 11, and the reinforcing plate 12 is provided with a first avoidance hole 121 arranged opposite to the heating zone. The electromagnetic component 22 is directly opposite to the first avoidance hole 121, so that the heating zone can not be blocked by the reinforcing plate 12, so that the electromagnetic component 22 is convenient for heating the heating zone on the panel 10.

[0043] Optionally, the reinforcing plate 12 can be bonded to the back of the panel body 11 through an adhesive layer so that the panel body 11 and the reinforcing plate 12 are stacked, with a good fixing effect, and there is no need to open an empty groove on the panel body 11 or add a connecting structure.

[0044] Optionally, the adhesive layer may be a silicone adhesive layer. Silicone adhesive has a strong adhesive force cavity and a large tensile strength, and also has the advantages of good weather resistance, vibration resistance, and moisture resistance.

[0045] Optionally, the panel body 11 may be a microcrystalline panel. The microcrystalline panel has the advantages of being hard, dense and uniform, pollution-free and non-radioactive, and has a sense of beauty and luxury, and has good performance in terms of weather resistance, wear resistance, cleaning and maintenance.

[0046] In this embodiment, the electromagnetic assembly 22 is connected to the panel 10 to improve the positioning accuracy of the electromagnetic assembly 22 and the heating area, thereby improving the heating effect of the electromagnetic assembly 22 on the heating area. Figure 1 and Figure 2As shown, the panel 10 also includes a positioning block 13, which is arranged on the reinforcing plate 12 and protrudes downward from the reinforcing plate 12, and the electromagnetic assembly 22 is connected to the positioning block 13. By providing the positioning block 13, the thickness of the panel 10 at the connection position with the electromagnetic assembly 22 can be increased to improve the fixing effect. In addition, the positioning block 13 can also increase the distance between the reinforcing plate 12 and the electromagnetic assembly 22 to prevent the material of the reinforcing plate 12 from affecting the operation of the electromagnetic assembly 22.

[0047] Optionally, the reinforcing plate 12 may be made of a weakly magnetically conductive material, such as stainless steel or aluminum, to reduce the influence of the reinforcing plate 12 on the electromagnetic assembly 22 .

[0048] Optionally, the positioning block 13 and the reinforcing plate 12 may be bonded together by an adhesive layer to avoid adding holes or grooves on the reinforcing plate 12 , which helps to reduce the impact on the strength of the reinforcing plate 12 .

[0049] In this embodiment, the positioning block 13 and the electromagnetic assembly 22 are fixed by fasteners, wherein the fasteners may be screws, pins, rivets, etc.

[0050] In other embodiments, the positioning block 13 and the electromagnetic assembly 22 may also be fixed by snapping together. For example, a slot is provided on the positioning block 13, and a buckle is provided on the electromagnetic assembly 22, and fixation is achieved by the cooperation of the buckle and the slot.

[0051] To simplify the structure, the electromagnetic assembly 22, the electrical box 21 and the positioning block 13 are fixed by fasteners, which is conducive to reducing the number of fasteners, facilitating assembly and reducing costs. Specifically, the fastener is a screw, which passes through the electrical box 21 and the electromagnetic assembly 22 from the back side of the electrical box 21 (i.e., the side away from the panel 10) and is then threadedly fixed with the positioning block 13, thereby achieving a fixed connection of the three by the same fastener.

[0052] In this embodiment, the electromagnetic assembly 22 includes a coil seat 221 and an electromagnetic coil 222 . The electromagnetic coil 222 is fixed in the coil seat 221 . The coil seat 221 is fixed to the electrical box 21 and the positioning block 13 respectively through fasteners.

[0053] In order to facilitate the assembly of the electromagnetic assembly 22 and the electrical box 21, as shown in FIG. Figure 2 As shown, a positioning column 211 is provided in the electrical box 21, and a positioning groove is provided in the coil seat 221. The positioning column 211 extends into the positioning groove to assemble the electromagnetic assembly 22 with the electrical box 21. Optionally, at least two positioning columns 211 are provided to improve the fixing effect of the electromagnetic assembly 22 and the electrical box 21.

[0054] The positioning column 211 is provided with a fixing hole penetrating the electrical box 21 , and the fastener extends from the bottom surface of the electrical box 21 into the fixing hole, passes through the coil seat 221 , and then cooperates with the positioning block 13 .

[0055] Optionally, an elastic member 24 is provided between the positioning groove and the positioning column 211, and the elastic member 24 can play a role of buffering and shock absorption to prevent the electrical box 21 or its internal electrical components from being damaged by the impact when the cookware is placed on the panel 10. The elastic member 24 can be an elastic pad made of elastic material, such as a rubber pad.

[0056] To improve the fixing effect of the electromagnetic assembly 22, the electrical box 21 and the panel 10, the number of the positioning blocks 13 can be set to at least two, and at least two positioning blocks 13 can be set at circumferential intervals around the first avoidance hole 121 to improve the fixing effect by increasing the connection position.

[0057] To facilitate the assembly of the electromagnetic assembly 22 and the panel 10, each positioning block 13 is provided with a rib 131, which extends around the circumferential edge of the coil seat 221 to form a limiting groove for accommodating the electromagnetic assembly 22. By providing the limiting groove, the electromagnetic assembly 22 and the panel 10 can be positioned, reducing the difficulty of assembly.

[0058] Combination Figure 1 and Figure 3 As shown, an air inlet grille 212 is provided on the electrical box 21. The air inlet grille 212 is formed by opening a plurality of holes arranged in a certain regular pattern on the electrical box 21. The air inlet grille 212 is directly opposite to the control board 23. A heat dissipation grille 41 is provided on the bottom shell 40 and is directly opposite to the air inlet grille 212, so as to dissipate heat from the control board 23 in time.

[0059] In the present embodiment, the heat dissipation grille 41 is formed by opening a plurality of holes arranged in a certain regular pattern on the bottom shell 40. Compared with opening large-aperture heat dissipation holes on the bottom shell 40, the heat dissipation grille 41 can not only ensure the heat dissipation effect, but also reduce the impact on the strength of the bottom shell 40, thereby preventing the abnormality of inaccurate weighing data caused by deformation of the bottom shell 40.

[0060] In order to further improve the accuracy of the weighing result of the weighing assembly 30, the electromagnetic cooker further includes a control assembly 50, which is electrically connected to the control panel 23 and is used to input instructions to control the start and stop of the electromagnetic cooker and working parameters. The control assembly 50 is arranged between the panel 10 and the bottom shell 40, and the control assembly 50 is connected to the panel 10 and is spaced from the bottom shell 40, that is, the operation assembly is not connected to the bottom shell 40 to avoid affecting the weighing result.

[0061] In this embodiment, the control assembly 50 includes a control bracket, a control member and a control box cover. A control area is provided on the panel body 11, a second avoidance hole 122 facing the control area is provided on the reinforcing plate 12, the control bracket is provided on the reinforcing plate 12, the control member is provided on the control bracket, the control member is electrically connected to the control board 23 and faces the second avoidance hole 122, so that the control member is located below the control area, and the user can trigger the control member by touching or pressing the control area; the control box cover is provided on the bottom surface of the panel 10, the control box cover and the panel 10 form a control cavity, and the control member and the control bracket are both located in the control cavity, so that the control member is protected by the control box cover.

[0062] In order to simplify the structure of the electromagnetic cooker, the electromagnetic cooker further includes a weighing circuit board 60, which is disposed on the control box cover and is electrically connected to the weighing assembly 30 and the control board 23. By disposing the weighing circuit board 60 on the control box cover, there is no need to additionally provide a structure for fixing the weighing circuit board 60, which is conducive to reducing the number of parts, simplifying the structure, and reducing costs.

[0063] When assembling the panel 10 and the electric control component 20, first assemble the electric control component 20 together, that is, install the control board 23 in the electrical box 21, and match the electromagnetic coil 222 with the positioning column 211 of the electrical box 21; then, fix the electric control component 20 and the panel 10 with fasteners.

[0064] Combination Figure 2 and Figure 3 As shown, the weighing assembly 30 includes a weighing sensor 31, a sensor bracket 33 and a load-bearing member 32. The sensor bracket 33 can be set on the bottom shell 40 by screws, the weighing sensor 31 is fixed on the sensor bracket 33, one end of the load-bearing member 32 is connected to the panel 10, and the other end is connected to the force-bearing end of the weighing sensor 31, so that the force applied to the panel 10 is transmitted downward to the weighing sensor 31 to achieve weighing.

[0065] Optionally, the weighing sensor 31 can be a cantilever weighing sensor, which includes a fixed end, a force-bearing end, and a strain zone connecting the fixed end and the force-bearing end. The fixed end is connected to the sensor bracket 33, and the force-bearing end is connected to the load-bearing member 32. When the force-bearing end is subjected to force, the strain zone is strained, thereby generating an electrical signal. The weighing circuit board 60 can obtain the weight of the food or seasoning on the panel 10 through the electrical signal.

[0066] Optionally, at least two weighing assemblies 30 may be provided, and the at least two weighing assemblies 30 are spaced apart along the circumference of the panel 10 to ensure the reliability of weighing.

[0067] Optionally, the induction cooker further comprises a sealing ring 70 , which is located between the panel 10 and the bottom shell 40 and is used to seal a gap therebetween.

[0068] Embodiment 2

[0069] This embodiment provides an electromagnetic cooker, which is different from the first embodiment in that Figure 4 As shown, the panel 10 is not provided with a positioning block 13, and the electromagnetic component 22 is directly connected to the reinforcing plate 12. The reinforcing plate 12 is made of a weakly magnetic conductive material. On the basis of omitting the positioning block 13, the reinforcing plate 12 is made of a weakly magnetic conductive material to reduce the influence of the reinforcing plate 12 on the electromagnetic component 22.

[0070] Optionally, the weakly magnetic conductive material may be stainless steel or aluminum.

[0071] like Figure 5 As shown, the fastener cooperates with the fixing hole on the positioning column 211 through the back of the electrical box 21. After the fastener passes through the electrical box 21, the elastic member 24 and the coil seat 221, it is directly connected to the reinforcing plate 12 for fixing.

[0072] In order to prevent the fastener from contacting the panel body 11, the portion of the reinforcing plate 12 corresponding to the heating area is bent in a direction away from the panel body 11 to form a boss structure, and the first avoidance hole 121 is set on the boss. The electromagnetic coil 222 passes through the first avoidance hole 121 and extends between the boss and the panel body 11. The fastener cooperates with the boss to prevent the fastener from contacting the panel body 11.

[0073] Obviously, the above embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For those skilled in the art, various obvious changes, readjustments and substitutions can be made without departing from the scope of protection of the present invention. It is not necessary and impossible to list all implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the scope of protection of the claims of the present invention.

Claims

1. An electromagnetic cooker, comprising a panel (10), a weighing assembly (30) and a bottom shell (40), wherein one end of the weighing assembly (30) is connected to the bottom shell (40), and the other end is connected to the panel (10), and the panel (10) is suspended above the bottom shell (40), characterized in that: The electromagnetic cooker further comprises an electric control component (20), wherein the electric control component (20) comprises: An electrical box (21), the top end of the electrical box (21) is open, the electrical box (21) is connected to the bottom surface of the panel (10), and the electrical box (21) is spaced apart from the bottom shell (40); A control panel (23) and an electromagnetic component (22) are arranged in the electrical box (21); the control panel (23) is electrically connected to the electromagnetic component (22); and the electromagnetic component (22) is used to heat the panel (10).

2. The electromagnetic cooker according to claim 1, characterized in that: The panel (10) comprises a panel body (11) and a reinforcing plate (12) which are stacked, the reinforcing plate (12) being located on the back of the panel body (11), the panel body (11) being provided with a heating zone, the reinforcing plate (12) being provided with a first avoidance hole (121) which is arranged opposite to the heating zone, and the electromagnetic component (22) being directly opposite to the first avoidance hole (121) for heating the heating zone.

3. The electromagnetic cooker according to claim 2, characterized in that: The panel (10) further comprises a positioning block (13), wherein the positioning block (13) is connected to the reinforcing plate (12) and protrudes downward from the reinforcing plate (12), and the electromagnetic component (22) is connected to the positioning block (13); And / or the reinforcing plate (12) is made of stainless steel or aluminum.

4. The electromagnetic cooker according to claim 3, characterized in that: The reinforcing plate (12) is bonded to the panel body (11) via an adhesive layer; And / or, the positioning block (13) and the reinforcing plate (12) are bonded together by an adhesive layer; And / or, the positioning block (13) is snap-fitted to the electromagnetic assembly (22) or fixed via a fastener.

5. The electromagnetic cooker according to claim 3, characterized in that: The number of the positioning blocks (13) is at least two, and each of the positioning blocks (13) is provided with a retaining edge (131), the retaining edge (131) extending around the circumferential edge of the electromagnetic component (22) to enclose a limiting groove for accommodating the electromagnetic component (22).

6. The electromagnetic cooker according to any one of claims 1 to 5, characterized in that: A positioning column (211) is arranged in the electrical box (21), the electromagnetic assembly (22) comprises a positioning groove, and the positioning column (211) extends into the positioning groove.

7. The electromagnetic cooker according to claim 6, characterized in that: An elastic member (24) is provided between the positioning groove and the positioning column (211); And / or, the positioning column (211) is provided with a fixing hole penetrating the electrical box (21), a fastener is fitted in the fixing hole, and the fastener passes through the positioning groove and is connected to the panel (10).

8. The electromagnetic cooker according to any one of claims 1 to 5, characterized in that: The electrical box (21) is provided with an air inlet grille (212), and the bottom shell (40) is provided with a heat dissipation grille (41) directly facing the air inlet grille (212).

9. The electromagnetic cooker according to any one of claims 1 to 5, characterized in that: The electromagnetic cooker further comprises a control assembly (50), wherein the control assembly (50) is arranged between the panel (10) and the bottom shell (40), the control assembly (50) is connected to the panel (10) and is spaced apart from the bottom shell (40), and the control assembly (50) is electrically connected to the control panel (23).

10. The electromagnetic cooker according to claim 9, characterized in that: The control assembly (50) comprises: A control box cover, the control box cover is arranged on the bottom surface of the panel (10) and forms a control cavity with the panel (10); A control member is disposed in the control cavity, and the control member is electrically connected to the control panel (23); The electromagnetic cooker further comprises a weighing circuit board (60), wherein the weighing circuit board (60) is arranged on the control box cover, and the weighing circuit board (60) is electrically connected to the weighing component (30) and the control board (23) respectively.

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