TWM545875U - Magnetically controlled pot-absence detection device - Google Patents

Description

Magnetically controlled off-cup detection device

The present invention relates to a magnetically controlled off-cup detection device, and more particularly to a gas burner or a hob disposed in a gas furnace for determining whether the pan is separated from the hob or returned to the hob.

In the existing common cooking operations, such as stewing food, boiling soup or boiling water, because the cooking time is longer, the cook usually cannot be present during the cooking, if the cook is negligent because of forgetfulness or busy with other things. At the same time, the furnace is often heated for a long time, and the water in the pot is dried to form a state in which the pot is air-burned, which causes the cooking to be burnt and cannot be eaten. In severe cases, the high temperature of the air will ignite. Cooking items, even gas, cause a fire and endanger public safety.

The existing gas furnace can be provided with an anti-air burning device, and a temperature sensor can be arranged in the burner head. When the pot is placed on the hob, the temperature sensor can be used to detect the temperature at the bottom of the pan, and feedback It is then judged by the program of the electronic control component and executes the built-in functions of the program. Therefore, when the temperature of the pot is abnormally warmed up, a signal is blocked to block the gas passage, thereby preventing the occurrence of fire. However, the air-proof burning device of the above-mentioned gas stove, the movement of the cookware leaving the hob and the returning to the hob is not easy to judge by the program, for example, the pan is taken to be cleaned, the pan is picked up and then put down, and the temperature of the pan has a drop, and the program judges Easy to have problems.

The applicant has proposed an "off-cup detection and touch mechanism" (Taiwan Patent Certificate No.: M507498), which is installed in a gas burner, and the off-cup detection touch mechanism includes: a temperature sensor, the temperature sensing device There is a sensing head, and the sensing head is disposed on the tile a burner head for contacting the bottom of the pot; a micro switch, the micro switch is disposed under the gas burner; and a linkage mechanism disposed between the temperature sensor and the micro switch The temperature sensor can activate the micro switch through the linkage mechanism. The off-cup detection trigger mechanism can be used to assist the program in determining whether the pot has left the potting device or the difficulty of returning the pot device to avoid errors. However, the off-cup detection touch mechanism has a precision limit.

In summary, the creator feels that the above defects can be improved, and he has devoted himself to research and cooperates with the application of academics, and finally proposes a design that is reasonable in design and effective in improving the above defects.

The technical problem to be solved by the present invention is to provide a magnetically controlled off-cup detection device, which can automatically switch firepower with the movement of the pan to increase safety and convenience without requiring too much precision limitation. Can effectively improve assembly yield and reduce production costs.

In order to solve the above technical problem, the present invention provides a magnetically controlled off-cup detecting device installed on a gas burner head, and a gas rack is provided on the periphery of the gas burner, and the gas burner is provided with a temperature sensor. The temperature sensor has a sensing head, and the detecting device includes: a linking mechanism, one end of the linking mechanism is connected to the sensing head of the temperature sensor; and a magnet is disposed on the linking mechanism And a magnetic induction element disposed in the vicinity of the magnet; when the pot is placed on the pylon, the temperature sensor can move the magnet through the linkage mechanism, and the magnet is adjacent to the magnetic induction element The sensing element can output a signal to assist the program in determining whether the pot leaves the hob or is returned to the hob.

In order to solve the above technical problem, the present invention also provides a magnetically controlled off-cup detecting device, which is installed on a gas burner head, and has a furnace rack on the periphery of the gas burner head, and the vertical pan detecting device comprises: a linkage mechanism The linkage mechanism is disposed on the hob; a magnet, the magnet is disposed on the linkage mechanism; and a magnetic induction element disposed in the vicinity of the magnet; when the pot is placed on the hob, the linkage mechanism can drive the magnet to move, the magnet is near When the magnetic sensing element is in the sensing range, the magnetic sensing element can output a signal to assist the program in determining whether the pot leaves the hob or is returned to the hob.

The beneficial effects of the creation: the creation of the off-cup detection device includes a linkage mechanism, a magnet and a magnetic induction element. After the pot is placed, the magnet can be moved by the linkage mechanism. When the magnet is close to the sensing range of the magnetic induction element, the magnetic induction element can output a signal. To assist the program in judging whether the pot has left the hob or returned to the hob to avoid errors. This creation does not require too much precision limit, which can effectively improve assembly yield and reduce production costs.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and explanation, and are not intended to limit the creation.

1‧‧‧ gas burner

2‧‧‧Hole

21‧‧‧ Fixed Department

22‧‧‧ ‧ frame

3‧‧‧ linkage agency

30‧‧‧ linkage rod

31‧‧‧ movable frame

311‧‧‧ pivot

312‧‧‧Resistance

32‧‧‧ linkage rod

321‧‧‧ head

33‧‧ ‧ guide

34‧‧‧ Spring

35‧‧‧Base

4‧‧‧ magnet

5‧‧‧Magnetic sensing elements

6‧‧‧temperature sensor

61‧‧‧Sense head

7‧‧‧ pots

1 is a cross-sectional view of the magnetically controlled off-cup detecting device of the present invention.

2 is a cross-sectional view showing the state of use of the magnetically controlled off-cup detecting device of the present invention.

3 is a cross-sectional view showing another embodiment of the magnetically controlled off-cup detecting device of the present invention.

Figure 4 is a detailed view of the portion IV of Figure 3.

FIG. 5 is a cross-sectional view showing a state in which another embodiment of the magnetically controlled off-cup detecting device of the present invention is used.

Figure 6 is a detailed view of the portion VI of Figure 5.

[First Embodiment]

Referring to FIG. 1 , the present invention provides a magnetically controlled off-cup detecting device installed in a gas burner head (burner group) 1 or a furnace rack 2 on the periphery of a gas burner head 1 in this embodiment. The off-cup detecting device is installed in the gas burner head 1. The gas burner head 1 is provided with a temperature sensor 6, and the temperature sensor 6 has a sensing head 61. The hob 2 is disposed around the periphery of the gas burner head 1, and the hob 2 is a pan setting device for placing the pan. However, since the gas burner 1 and the hob 2 belong to the prior art, and the creation does not limit the type and structure of the gas burner 1 and the hob 2, it will not be described again.

The off-cup detecting device comprises a linkage mechanism 3, a magnet (permanent magnet) 4 and a magnetic induction element 5. One end of the linkage mechanism 3 can be connected to the sensing head 61 of the temperature sensor 6, and the temperature sensor 6 can be a thermocouple, a thermal resistor, a thermoelectric or other electronic temperature detecting component. The temperature sensor 6 has a sensing head 61. The sensing head 61 is disposed on the gas burner head 1. The sensing head 61 is preferably but not limited to be disposed at the center of the gas burner head 1. The sensing head 61 can be convex. Out of the top of the hob 2.

The inner side of the temperature sensor 6 may further be provided with an elastic member (not shown) which can be abutted against the temperature sensor 6 to keep the sensing head 61 of the temperature sensor 6 attached to the pot. The bottom portion is used to detect the temperature at the bottom of the pan using the temperature sensor 6.

The sensing head 61 can be used to contact the bottom of the pan, which can sense the temperature of the user cooking the food pan. When the temperature is abnormal, a signal can be sent to an electronic control component (not shown), the electronic control component There is an execution program that can analyze, summarize and organize the program to perform overheat detection and other steps to cut off the supply of gas instead of empty burning to ensure safety. Since the temperature sensor 6 is prior art and is not the focus of this creative appeal, it will not be described again.

In this embodiment, the linkage mechanism 3 can include a linkage rod 30 that is erected in the gas burner head 1 . One end of the linkage rod 30 can be connected to the sensing head 61 of the temperature sensor 6 . This magnet 4 is provided at the other end (lower end) of the interlocking mechanism 3 (the interlocking lever 30). The magnetic induction element 5 is disposed in the vicinity of the magnet 4, and the magnetic induction element 5 can be an induction coil, a magnetic control switch or the like. In the present embodiment, the magnetic induction element 5 is an induction coil, and the magnetic induction element 5 is surrounded by an annular shape, and the magnet 4 is located at the center of the magnetic induction element 5. The magnetic induction element 5 can be fixed to the casing of the gas furnace The appropriate position, that is to say the magnetic induction element 5, can be fixed in the housing of the gas furnace by means of a fixing seat (not shown) or directly. The magnetic sensing element 5 is electrically connected to the electronic control unit (not shown), so that the signal received by the magnetic sensing element 5 can be transmitted to the electronic control unit.

Referring to FIG. 2, when the pot 7 is placed on the hob 2, the temperature sensor 6 can be used to detect the temperature of the bottom of the pot 7. After the feedback, the program of the electronic control unit determines and executes the built-in function. Therefore, when the temperature of the pot 7 is abnormally warmed up, a signal is blocked to block the gas passage, thereby preventing the occurrence of fire. The creation of the off-cup detection device includes the linkage mechanism 3, the magnet 4 and the magnetic induction element 5, so that when the pot 7 is placed on the hob 2, the bottom of the pot 7 is pressed against the sensor head of the temperature sensor 6. 61, the temperature sensor 6 can be moved downwards, and the temperature sensor 6 can also move the magnet 4 through the linkage mechanism 3. When the magnet 4 is close to the sensing range of the magnetic induction element 5, the magnetic sensing element 5 can output a signal, In order to assist the program to judge whether the pot 7 leaves the hob 2 or the difficult point of returning the hob 2 to avoid an error.

Moreover, the creation does not need to manually adjust the firepower of the gas burner 1, and the firepower can be automatically reduced when the cookware 7 is removed, and the original firepower is restored when the cooker 7 is returned. The creation gas burner 1 can automatically switch firepower with the movement of the pot 7 to increase safety and convenience. In addition, this creation uses magnetic control to operate without the need for too much precision limits, which can effectively improve assembly yield and reduce production costs.

[Second embodiment]

Referring to FIG. 3 and FIG. 4 , in the embodiment, the off-cup detecting device comprises a linkage mechanism 3 , a magnet 4 and a magnetic induction element 5 . The linkage mechanism 3 is disposed on the hob 2, and the linkage mechanism 3 can include a movable frame 31 and a linkage rod 32. The movable frame 31 is pivotally mounted on the hob 2, that is, one end of the movable frame 31 can be pivoted 311. The movable frame 31 is pivotally disposed on the pylon 2, and the other end of the movable frame 31 can swing up and down with the pivot 311 as a rotation axis. The gantry 2 is provided with a plurality of frame bodies 22 for placing the pots, and the movable frame 31 and the fixing portion 21 can also form a frame structure, and the frame bodies 22 can be matched for the pots to be placed.

The linkage rod 32 can be an elongated rod body, and one end of the linkage rod 32 is connected to the activity. The frame 31, that is, one end of the linkage rod 32 is connected to the other end of the movable frame 31. In this embodiment, the other end of the movable frame 31 is provided with an abutting portion 312, and the abutting portion 312 is disposed at the other end of the movable frame 31. Projecting downwardly, the abutting portion 312 abuts against one end (upper end) of the linkage rod 32, so that one end of the linkage rod 32 can be coupled to the movable frame 31, and the linkage rod 32 can move with the swing of the movable frame 31 (upper, Move down).

In this embodiment, the gantry 2 is fixedly disposed with a guide seat 33. The guide seat 33 is a hollow body. The guide seat 33 is erected on the hoisting frame 2, and the linkage rod 32 is disposed on the guide seat 33. In the middle, the guide rod 33 can be used to guide the linkage rod 32 to move up and down, so that the linkage rod 32 can move up and down stably.

A spring 34 can be disposed between the guide 33 and the linkage rod 32. The spring 34 is in contact with the linkage rod 32 to provide a force for the linkage rod 32 to move upward and reset. In the present embodiment, one end (upper end) of the interlocking lever 32 is formed with a head portion 321 having a larger diameter, and the abutting portion 312 of the movable frame 31 can abut against the head portion 321 of the interlocking lever 32. One end (upper end) of the spring 34 can abut against the head 321 of the linkage rod 32, so that the spring 34 can provide the force that the linkage rod 32 moves up and reset. A base 35 is fixed to the bottom of the guide seat 33. The base 35 can be fixed to the bottom of the guide seat 33 by screwing or snapping, and the other end (lower end) of the spring 34 abuts against the base 35. The other end (lower end) of the interlocking lever 32 passes through the base 35 and projects downward.

The magnet 4 is disposed at the other end of the interlocking mechanism 3 (the interlocking lever 32). The magnetic induction element 5 is disposed in the vicinity of the magnet 4, and the magnetic induction element 5 can be an induction coil, a magnetic control switch or the like. In this embodiment, the magnetic induction element 5 is a magnetic control element, and the magnetic induction element 5 can be fixed in a proper position in the casing of the gas furnace, and the magnetic induction element 5 is electrically connected to the electronic control element (not shown) to make the magnetic induction element 5 The received signal can be transmitted to the electronic control unit.

Referring to FIG. 5 and FIG. 6, when the pot 7 is placed on the hob 2, the temperature sensor 6 can be used to detect the temperature of the bottom of the pot 7. After the feedback, the program of the electronic control unit judges and executes the program. Built features. Therefore, when the temperature of the pot 7 is abnormally warmed up, a signal is blocked to block the gas passage, thereby preventing the occurrence of fire. The creation of the off-the-shelf detection device package Including the interlocking mechanism 3, the magnet 4 and the magnetic induction element 5, when the pot 7 is placed on the hob 2, it can be pressed onto the movable frame 31 to swing the movable frame 31 downward, and the movable frame 31 can pass through the linkage bar. 32 drives the magnet 4 to move. When the magnet 4 is close to the sensing range of the magnetic sensing element 5, the magnetic sensing element 5 can output a signal to assist the program in judging whether the pot 7 leaves the hob 2 or the difficult point of returning the hob 2 to avoid An error has occurred.

The creation of the off-cup detection device comprises a linkage mechanism, a magnet and a magnetic induction element. After the pot is placed, the temperature sensor (or the movable frame of the hob) can move the magnet through the linkage mechanism, when the magnet is close to the sensing range of the magnetic induction element. The magnetic sensing element can output a signal to assist the program in determining whether the pot has left the hob or the difficult point of returning the hob to avoid errors. This creation controls the signal output magnetically, so there is no need for too much precision limitation, which can effectively improve the assembly yield and reduce the production cost.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of patent protection of the present invention. Therefore, equivalent changes made by using the present specification and the contents of the drawings are all included in the scope of protection of the present invention. Inside.

1‧‧‧ gas burner

2‧‧‧Hole

3‧‧‧ linkage agency

30‧‧‧ linkage rod

4‧‧‧ magnet

5‧‧‧Magnetic sensing elements

6‧‧‧temperature sensor

61‧‧‧Sense head

Claims (10)

A magnetically controlled off-cup detecting device is installed on a gas burner head, and a gas rack is disposed on a periphery of the gas burner, the gas burner is provided with a temperature sensor, and the temperature sensor has a sensing head, The off-cup detecting device comprises: a linking mechanism, one end of the linking mechanism is connected to the sensing head of the temperature sensor; a magnet, the magnet is disposed at the other end of the linking mechanism; and a magnetic sensing element, the magnetic sensing element Provided in the vicinity of the magnet; when the pot is placed on the hob, the temperature sensor can drive the magnet to move through the linkage mechanism, and the magnet sensing element can output when the magnet is close to the sensing range of the magnetic sensing element A signal to assist the program in determining whether the pot leaves the hob or is returned to the hob. The magnetically controlled off-cup detecting device of claim 1, wherein the linking mechanism comprises a linkage rod, the linkage rod is erected in the gas burner, and one end of the linkage rod is connected to the temperature sensor. The sensing head is disposed at the other end of the linkage rod. The magnetically controlled off-cup detecting device of claim 1, wherein the magnetic sensing element is an induction coil or a magnetically controlled switch. The magnetically controlled off-cup detecting device according to claim 1, wherein the magnetic sensing element is an induction coil, the magnetic sensing element is surrounded by an annular shape, and the magnet is located at a center of the magnetic sensing element. The utility model relates to a magnetron type detecting device, which is installed on a gas burner head, and has a furnace rack on the periphery of the gas burner head, the vertical pot detecting device comprises: a linkage mechanism, the linkage mechanism is arranged on the furnace rack; a magnet, the magnet is disposed on the linkage mechanism; and a magnetic induction element disposed in the vicinity of the magnet; when the pot is placed on the pylon, the linkage mechanism can drive the magnet to move, the magnet The magnetic sensing element can output a signal when the sensing range of the magnetic sensing element is close to It is up to the program to determine whether the pot leaves the hob or is returned to the hob. The magnetically controlled off-cup detection device of claim 5, wherein the linkage mechanism comprises a movable frame and a linkage bar, the movable frame is pivotally mounted on the hob, and one end of the linkage bar is connected to the movable frame The magnet is disposed at the other end of the linkage rod. The magnetically controlled off-cup detecting device of claim 6, wherein one end of the movable frame is pivotally disposed on a fixed portion of the hob, and the other end of the movable frame is provided with an abutting portion. The abutting portion is disposed at the other end of the movable frame and protrudes downward. One end of the connecting rod is formed with a head, and the abutting portion of the movable frame abuts the head of the connecting rod. The magnetically controlled off-cup detecting device of claim 7, wherein the gantry is fixedly provided with a guide seat, the guide seat is a hollow body, and the guide seat is erected on the hoist, the linkage rod The spring is disposed in the guide seat, and a spring is disposed between the guide seat and the linkage rod. One end of the spring abuts against the head of the linkage rod, and a base is fixed to the bottom of the guide seat, and the other end of the spring is in contact with The base. The magnetically controlled off-cup detecting device of claim 5, wherein the magnetic sensing element is an induction coil or a magnetically controlled switch. The magnetically controlled off-cup detecting device according to claim 5, wherein the magnetic sensing element is an induction coil, the magnetic sensing element is surrounded by an annular shape, and the magnet is located at a center of the magnetic sensing element.