Weighing device and gas stove

Abstract

The utility model provides a weighing device and a gas stove, and relates to the technical field of stoves, the weighing device provided by the utility model comprises a tray, an elastic support column, a gravity sensor, a trigger module and an electromagnetic mechanism, the top end of the elastic supporting column supports the tray, and the lower end of the elastic supporting column is connected with the gravity sensor. A first triggering structure is arranged on the elastic supporting column; the trigger module is provided with a second trigger structure, and the second trigger structure is located below the first trigger structure; a magnetic part is arranged on the bottom face of the tray, the electromagnetic mechanism is located below the magnetic part, the electromagnetic mechanism is connected with the trigger module, and the trigger module is used for controlling the electromagnetic mechanism to be powered on when the second trigger structure is triggered so that the electromagnetic mechanism and the magnetic part can repel each other.

Description

Technical Field

[0001] The utility model relates to the technical field of stoves, in particular to a weighing device and a gas stove. Background Art

[0002] In the prior art, a weighing module is installed on the gas stove to judge whether the pot is dry-burned by the change of the pot weight, so as to cut off the fire source in time. The weighing module usually converts the deformation of the strain gauge caused by the weight of the object into a resistance value, and collects current or voltage information to reflect the weight of the object.

[0003] In the actual working process, if the strain gauge deformation is too large or exceeds the measuring range, the gravity sensor will be damaged. Utility Model Content

[0004] The utility model aims to provide a weighing device and a gas stove, so as to alleviate the technical problem that the gravity sensor of the weighing device on the existing gas stove is easily damaged after being overloaded.

[0005] In a first aspect, the utility model provides a weighing device, comprising: a tray, an elastic support column, a gravity sensor, a trigger module and an electromagnetic mechanism;

[0006] The top end of the elastic support column supports the tray, and the lower end of the elastic support column is connected to the gravity sensor; a first trigger structure is provided on the elastic support column;

[0007] The trigger module is provided with a second trigger structure, and the second trigger structure is located below the first trigger structure;

[0008] A magnetic part is provided on the bottom surface of the tray, the electromagnetic mechanism is located below the magnetic part, the electromagnetic mechanism is connected to the trigger module, and the trigger module is used to control the electromagnetic mechanism to be energized when the second trigger structure is triggered so that the electromagnetic mechanism and the magnetic part repel each other.

[0009] Furthermore, the number of the magnetic members and the electromagnetic mechanisms are both multiple and correspond one to one;

[0010] Furthermore, the plurality of electromagnetic mechanisms are electrically connected and have the same opening and closing states.

[0011] Furthermore, the tray is made of non-ferromagnetic material.

[0012] Furthermore, a guide cylinder is provided on the bottom surface of the tray, the guide cylinder extends vertically, and the magnetic member is located in the guide cylinder and at one end of the guide cylinder close to the tray;

[0013] The electromagnetic mechanism comprises a guide rod extending in a vertical direction, and the top end of the guide rod is magnetic after being energized;

[0014] One end of the guide cylinder away from the tray is sleeved on the guide rod.

[0015] Further, the elastic support column includes an upper column, a first spring and a lower support column connected in sequence along the vertical direction, the upper end of the first spring is connected to the lower end of the upper column, and the lower end of the first spring is connected to the upper end of the lower support column;

[0016] The first trigger structure is arranged on the upper column.

[0017] Further, the trigger module includes a bracket and a seesaw, the seesaw includes a first end and a second end that are arranged opposite to each other, and the seesaw is rotatably connected to the bracket; the first end forms the second trigger structure;

[0018] The electromagnetic mechanism includes a trigger switch, and the second end is located below the trigger switch, so that after the first trigger structure presses down the second trigger structure, the second end abuts against the trigger switch.

[0019] Furthermore, a second spring is provided between the second end and the bracket, and the second spring is used to make the second end have a tendency to move downward.

[0020] Furthermore, it also includes an alarm, which is used to issue an alarm message when the second trigger structure is triggered.

[0021] Furthermore, the alarm information includes sound prompt information and / or light prompt information.

[0022] In a second aspect, the utility model provides a gas stove comprising the above-mentioned weighing device.

[0023] The utility model has at least the following advantages or beneficial effects:

[0024] The weighing device provided by the utility model comprises: a tray, an elastic support column, a gravity sensor, a trigger module and an electromagnetic mechanism; the top end of the elastic support column supports the tray, and the lower end of the elastic support column is connected to the gravity sensor; a first trigger structure is arranged on the elastic support column; a second trigger structure is arranged on the trigger module, and the second trigger structure is located below the first trigger structure; a magnetic part is arranged on the bottom surface of the tray, and the electromagnetic mechanism is located below the magnetic part, and the electromagnetic mechanism is connected to the trigger module, and the trigger module is used to control the electromagnetic mechanism to be energized when the second trigger structure is triggered, so that the electromagnetic mechanism and the magnetic part repel each other.

[0025] When using a gas stove with the weighing device, a heavy object is placed on the tray, and supported by the elastic support column, so that the first trigger structure on the load-bearing column moves downward in the vertical direction, so that it has a certain weighing limit; and the weight information is obtained through the gravity sensor below. When the weighing is overloaded, the first trigger structure drops and triggers the second trigger structure, and the electromagnetic mechanism is started. After the electromagnet is energized, it generates a magnetic force of the same polarity as the magnetic part, and then lifts up the magnetic part set under the tray, and the elastic support column rises. The design has a simple structure and is easy to install. It can effectively prevent overload from damaging the internal sensor of the weighing device and causing unnecessary losses.

[0026] The gas stove provided by the utility model includes the above-mentioned weighing device. Since the gas stove provided by the utility model adopts the above-mentioned weighing device, the gas stove provided by the utility model also has the advantages of the weighing device. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 A schematic diagram of a weighing device provided for one example of the present utility model;

[0029] Figure 2 A schematic diagram of an elastic support column of a weighing device provided for one example of implementation of the utility model;

[0030] Figure 3 A schematic diagram of a weighing device provided for implementing 2 examples of the utility model;

[0031] Figure 4 A schematic diagram of a gas stove provided in an embodiment of the utility model.

[0032] Icons: 1-tray; 2-upper column; 3-first spring; 4-lower support column; 5-gravity sensor; 6-rocker; 7-bracket; 8-second spring; 9-electromagnetic mechanism; 10-trigger switch; 11-pressure plate; 12-pot rack; 13-display; 14-chassis; 15-magnetic part; 16-guide cylinder. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0036] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0037] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0038] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] Example 1

[0040] like Figure 1 , Figure 2 and Figure 4 As shown, the weighing device provided by the utility model comprises: a tray 1, an elastic support column, a gravity sensor 5, a trigger module and an electromagnetic mechanism 9. A pot rack 12 is placed on the tray 1.

[0041] The elastic support column may include an upper column 2, a first spring 3 and a lower support column 4 which are connected in sequence in the vertical direction, and the first trigger structure is arranged on the upper column 2. The upper end of the first spring 3 is fixedly connected to the lower end of the upper column 2, and the lower end of the first spring 3 is fixedly connected to the upper end of the lower support column 4. The lower support column 4 presses on the gravity sensor 5. After a heavy object is placed on the tray 1, the upper column 2 moves downward, thereby compressing the first spring 3 to buffer the force, so that it has a certain weighing limit.

[0042] The weighing device further comprises a mounting plate, a gravity sensor 5 is connected to the lower surface of the mounting plate, and a lower support column 4 penetrates the mounting plate from above and abuts against the gravity sensor 5 .

[0043] The top end of the elastic support column supports the tray 1, and the lower end of the elastic support column is connected to the gravity sensor 5. The weighing device also includes a display screen connected to the gravity sensor 5, which can display weight information.

[0044] The elastic support column is provided with a first trigger structure. In this embodiment, the first trigger structure comprises a pressing plate, one end of which is sleeved on the side wall of the step at the lower end of the upper column 2 , and the other end of which is against the upper surface of the first spring 3 .

[0045] The trigger module is provided with a second trigger structure, which is located below the first trigger structure, and the distance between the second trigger structure and the first trigger structure is related to the deformation threshold of the gravity sensor 5 .

[0046] The electromagnetic mechanism can be fixed on the bottom plate 14 of the gas stove. In a natural state, the top of the electromagnetic mechanism is at a certain distance from the magnetic member 15 on the tray 1 above it.

[0047] The bottom surface of the tray 1 is provided with a magnetic member 15, which is a permanent magnet, and one end of the magnetic member 15 facing downward can be an S pole. After the electromagnetic mechanism 9 is powered on, one end of the electromagnetic mechanism 9 facing the magnetic member 15 can also form an S pole. The electromagnetic mechanism 9 is located below the magnetic member 15, and the electromagnetic mechanism 9 is connected to the trigger module. The trigger module is used to control the electromagnetic mechanism 9 to be powered on when the second trigger structure is triggered, so that the electromagnetic mechanism 9 and the magnetic member 15 repel each other.

[0048] The number of the magnetic member 15 and the electromagnetic mechanism 9 are both multiple and one-to-one corresponding; and the multiple electromagnetic mechanisms 9 are electrically connected and have the same opening and closing state.

[0049] For example, in an practicable solution, the number of magnetic members 15 and electromagnetic mechanisms 9 can be three each, and they are distributed in a triangle, so as to provide a more stable lifting force. Each electromagnetic mechanism 9 is electrically connected together, and these electromagnets have the same on and off state, and have high synchronization.

[0050] In other feasible solutions, the number of elastic support columns and the number of gravity sensors 5 can both be one, and the pressure on the elastic support columns is directly transmitted to the gravity sensors 5 thereunder, so that the volume of the weighing device is smaller.

[0051] In this embodiment, the number of elastic support columns and the number of gravity sensors 5 are both multiple and correspond one to one. The bottom of the gas stove may be provided with a support position, and the gravity sensor 5 is set corresponding to the support position. Among them, the support positions may be N (N=1∽5), and the N support positions correspond to the N settings of the bottom radial periphery of the pot rack 12, and the gravity sensors 5 may be N, and the N gravity sensors 5 correspond one to one to the N support positions. In this way, the weight information on the tray 1 obtained by each gravity sensor 5 can be basically consistent, thereby improving the accuracy of weighing.

[0052] In order to prevent the electromagnetic mechanism 9 from generating a magnetic attraction to the tray 1 after being energized, the material of the tray 1 is a non-ferromagnetic material.

[0053] The trigger module includes a bracket 7 and a seesaw 6, the seesaw 6 includes a first end and a second end that are relatively arranged, and the seesaw 6 is rotatably connected to the bracket 7; the first end forms a second trigger structure; the electromagnetic mechanism includes a trigger switch 10, and the second end is located below the trigger switch 10, so that after the first trigger structure presses down the second trigger structure, the second end abuts against the trigger switch 10.

[0054] In order to avoid interference between the electromagnetic mechanism and the elastic support column, the two are arranged at an interval. Therefore, a bracket 7 and a seesaw 6 are arranged between the two. Power is transmitted through the seesaw 6. When the first trigger structure moves downward, the first end is squeezed downward, the seesaw 6 loses balance, and the second end moves upward and squeezes the trigger switch 10, and the electromagnetic mechanism starts to lift the tray 1.

[0055] In this embodiment, a second spring 8 is provided between the second end and the bracket 7, and the second spring 8 is used to make the second end have a tendency to move downward. One end of the second spring 8 is obliquely connected to the bracket 7, and the other end is obliquely connected to the second end of the seesaw 6.

[0056] In the absence of a heavy object, the seesaw 6 is in a horizontal state, and when overloaded, the second end moves upward to contact the trigger switch 10. When the heavy object on the pot rack 12 is removed, the second spring 8 can drive the second end to move downward to a horizontal state, preparing for the next overload.

[0057] In another feasible solution, the second spring 8 may not be used, and the reset of the seesaw 6 can be achieved by relying solely on gravity. Specifically, the weight of the seesaw 6 from the first end to the fulcrum is lower than the weight of the seesaw 6 from the second end to the fulcrum, so that after the first trigger structure is separated from the second trigger structure, the seesaw 6 returns to the equilibrium position, and at the equilibrium position, the second end is separated from the trigger switch 10.

[0058] The left part of the seesaw 6 is heavier, while the right part is lighter. In the natural state, the seesaw 6 is in a horizontal state. When overloaded, the second end moves upward to contact the trigger switch 10. When the heavy object on the pot rack 12 is removed, the second end automatically moves downward to a horizontal state under the action of gravity, preparing for the next overload.

[0059] The weighing device also includes an alarm, which is used to send out an alarm message when the second trigger structure is triggered. Specifically, the alarm message includes a voice prompt message, for example, "The current weighing is overloaded. To avoid damage to the device, please remove the weight. Thank you!". Light prompt messages can also be used. For example, the color or flashing frequency of the prompt light can be used to send out prompt messages (for example, the prompt light emits a red light, or the prompt light flashes at a faster frequency), so that the user can know in time that there is a problem with the currently placed weight.

[0060] Compared with the prior art, the weighing device places a heavy object on the tray 1, which is supported by the elastic support column and subjected to force, so that the pressure plate 11 moves downward in the vertical direction, thereby compressing the first spring 3 to buffer the force, thereby making it have a certain weighing limit; and after being sensed by the gravity sensor 5 below, the electrical signal is transmitted to the control panel and directly displayed through the display 13. When the weighing is overloaded, the upper column 2 descends, driving the pressure plate 11 to slide downward, thereby pressing down the seesaw 6 on the bracket 7, so that the right side is lowered and the left side is raised, thereby touching the trigger switch 10 on the side of the push rod motor 9, the display light lights up to prompt or the buzzer sounds, and the control panel outputs a signal through the programming control, the electromagnetic mechanism 9 is energized to generate a magnetic field, and the magnetic field acts on the magnetic part 15 to lift the load plate, thereby raising the upper column 2; the design has a simple structure and is easy to install, which can effectively prevent the overload from damaging the sensor inside the scale body and causing unnecessary losses. An electromagnetic mechanism is used to repel the magnetic parts on the tray upward to achieve levitation, so as to protect the gravity sensor from being damaged by vibration. At the same time, when the load limit of the gravity sensor is exceeded, it will automatically protect the weighing platform by raising it up and separating it, ensuring that the gravity sensor will not be damaged by overload.

[0061] Example 2

[0062] like Figure 3As shown, the difference from Example 1 is that a guide cylinder 16 is provided on the bottom surface of the tray 1, and the guide cylinder 16 extends vertically. The magnetic member 15 is located in the guide cylinder 16 and is located at one end of the guide cylinder 16 close to the tray 1; the electromagnetic mechanism 9 includes a guide rod extending vertically, and the top end of the guide rod is magnetic after power is turned on; the end of the guide cylinder 16 away from the tray 1 is sleeved on the guide rod.

[0063] The guide rod moves up and down in the guide cylinder 16, which plays a guiding role on the one hand, so that the tray 1 only moves in the vertical direction, and on the other hand, protects the ends of the magnetic member 15 and the electromagnet to reduce oil pollution.

[0064] The gas stove provided by the utility model includes the above-mentioned weighing device. Since the gas stove provided by the utility model adopts the above-mentioned weighing device, the gas stove provided by the utility model also has the advantages of the weighing device.

[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A weighing device, characterized in that: include: A tray (1), an elastic support column, a gravity sensor (5), a trigger module and an electromagnetic mechanism (9); The top end of the elastic support column supports the tray (1), and the lower end of the elastic support column is connected to the gravity sensor (5); a first trigger structure is provided on the elastic support column; The trigger module is provided with a second trigger structure, and the second trigger structure is located below the first trigger structure; The bottom surface of the tray (1) is provided with a magnetic member (15), the electromagnetic mechanism (9) is located below the magnetic member (15), the electromagnetic mechanism (9) is connected to the trigger module, and the trigger module is used to control the electromagnetic mechanism (9) to be energized when the second trigger structure is triggered, so that the electromagnetic mechanism (9) and the magnetic member (15) repel each other.

2. The weighing device according to claim 1, characterized in that: The number of the magnetic members (15) and the electromagnetic mechanisms (9) are both multiple and correspond one to one; Furthermore, the plurality of electromagnetic mechanisms (9) are electrically connected and have the same opening and closing states.

3. The weighing device according to claim 1, characterized in that: The material of the tray (1) is non-ferromagnetic material.

4. The weighing device according to claim 1, characterized in that: A guide cylinder (16) is provided on the bottom surface of the tray (1), the guide cylinder (16) extends vertically, and the magnetic member (15) is located inside the guide cylinder (16) and at one end of the guide cylinder (16) close to the tray (1); The electromagnetic mechanism (9) comprises a guide rod extending vertically, the top end of which is magnetic when powered; One end of the guide cylinder (16) away from the tray (1) is sleeved on the guide rod.

5. The weighing device according to claim 1, characterized in that: The elastic support column comprises an upper column (2), a first spring (3) and a lower support column (4) which are connected in sequence along the vertical direction, the upper end of the first spring (3) is connected to the lower end of the upper column (2), and the lower end of the first spring (3) is connected to the upper end of the lower support column (4); The first trigger structure is arranged on the upper column (2).

6. The weighing device according to claim 1, characterized in that: The trigger module comprises a bracket (7) and a seesaw (6), the seesaw (6) comprising a first end and a second end arranged opposite to each other, the seesaw (6) being rotatably connected to the bracket (7); the first end forms the second trigger structure; The electromagnetic mechanism comprises a trigger switch (10), and the second end is located below the trigger switch (10), so that after the first trigger structure presses down the second trigger structure, the second end abuts against the trigger switch (10).

7. The weighing device according to claim 6, characterized in that: A second spring (8) is arranged between the second end and the bracket (7), and the second spring (8) is used to make the second end have a tendency to move downward.

8. The weighing device according to any one of claims 1 to 7, characterized in that: It also includes an alarm, which is used to send out an alarm message when the second trigger structure is triggered.

9. The weighing device according to claim 8, characterized in that: The alarm information includes sound prompt information and / or light prompt information.

10. A gas stove, characterized in that: A weighing device comprising any one of claims 1 to 9.

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