JPH11351573A - Over temperature protection system on periphery of gas cooking appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an over temperature protection system on the periphery of a gas cooking appliance in which each unit member arranged on the periphery of the gas cooking apparatus is protected against heat generated from a gas burner, or the like, and installation work of temperature detecting parts can be simplified. SOLUTION: Since a plurality of temperature sensors 14a, 14b, 14c are embedded on the heat receiving side of respective panel boards 8a, 8b arranged on the periphery of a gas cooking appliance 1 including it, top plate of a sink, and both cabinets 9a, 9b, each temperature sensor can be set at a correct position by simply arranging respective panel boards 8a, 8b, the top plate of the sink, and both cabinets 9a, 9b on the periphery of the gas cooking appliance 1. At the same time, installation and wiring of the temperature sensors can be simplified while ensuring aesthetic appearance.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing overheating in the vicinity of a gas cooking appliance, and more particularly to a device for preventing overheating of a temperature in a region around the gas cooking appliance by a control device. The present invention relates to a device for preventing overheating around a gas cooking appliance in which a temperature detecting unit is buried on the heat receiving surface side and connected to the control device side in a concealed state.

[0002]

2. Description of the Related Art Gas cooking appliances use gas for a long time, or they forget to extinguish a fire while using the gas, and the temperature in the surrounding area rises. If it ignites or overheats a non-combustible material, contact may cause an unexpected burn.

Conventionally, in order to solve such a problem, a temperature sensor is directly installed in a gas cooking appliance, and a gas generated when the measured temperature exceeds a reference set temperature is used to remove the gas from the open burner. They were shutting out and extinguishing fire.

[0004]

However, in a conventional gas cooking appliance having a plurality of burners, measuring only the temperature of the gas cooking appliance alone results in a limited measurement area and a peripheral area far from the gas cooking appliance. It is not possible to accurately measure the temperature of the walls and other parts of the building, so it is not possible to know in advance if the temperature rises abnormally due to radiant heat or convection of hot air. However, problems such as burns on contact have not been solved yet.

[0005] Therefore, the applicant has conducted intensive research and development, and installed a temperature detecting unit in each part of the peripheral region of the gas cooking appliance, and compared the measured temperature with a preset reference temperature. It has been found that overheating of the peripheral region can be suppressed by controlling the burner to shut off when each measured temperature exceeds the respective reference temperature.

[0006] Further, the applicant has been proceeding with the development, and it is possible to embed and integrate a temperature detecting portion in each unit member provided in the peripheral region of the gas cooking appliance, respectively. The present invention has been completed by paying attention to the fact that the position setting and mounting work of each temperature detecting section are reliably and simplified while protecting from heat, and in addition, an aesthetic appearance can be obtained.

[0007] The present invention provides a gas cooking appliance which not only protects the unit members arranged in the peripheral region of the gas cooking appliance from heat generated from a gas burner or the like but also simplifies the work of installing these temperature detecting parts. It is intended to provide a device for preventing overheating in the periphery.

[0008]

In order to achieve the above object, an apparatus for preventing overheating in the vicinity of a gas cooking appliance according to the present invention comprises a gas cooking appliance having at least two or more burners. A device for preventing overheating, wherein the overheating prevention device includes a plurality of temperature detectors embedded on the heat receiving surface side of each unit member disposed around the gas cooking appliance including at least the gas cooking appliance, A control device housed inside the gas cooking appliance to shut off each of the burners when the measured temperature exceeds the reference temperature by comparing the temperature measured by the temperature detection unit with a preset reference temperature, The terminal of each of these temperature detecting sections and the terminal on the control device side are configured to be connected in a concealed state. According to this feature, since a plurality of temperature detectors are respectively embedded on the heat receiving surface side of each unit member disposed around the gas cooking appliance including the gas cooking appliance, each unit member is disposed around the gas cooking appliance. The temperature detectors are installed at the appropriate positions, and these temperature detectors are simultaneously connected to the control device in a concealed state, which simplifies the work of installing the temperature detectors and ensures an aesthetic appearance. Can be.

[0009] The overheat prevention device around the gas cooking appliance according to the present invention is characterized in that a plurality of panel substrates in which each unit member in which the temperature detecting portion is embedded are connected and connected to the front or side surface of the gas cooking appliance. A terminal mounted on a joint end surface of the panel substrate to connect a wiring end of the temperature detecting unit inserted through the inside of the panel substrate, and a terminal connected to the terminal on the control device side. It is preferable that the terminal is configured to be accommodated in the joint end face of the panel substrate. In this way, the temperature detection sections are installed in the appropriate positions in a concealed state simply by connecting and attaching a plurality of panel boards to the front or side surfaces of the gas cooking appliance. This facilitates processing, and both the terminals of the temperature detector and the terminals of the control device and the wiring are accommodated in the joint end surface of the panel substrate so as not to protrude from the surface of the panel substrate. When installing the gas cooking appliance, the gas cooking appliance can be joined and arranged in a state in which the gas cooking appliance is in close contact with the panel surface without being affected by these terminals and wiring.

[0010] In the overheating prevention device around the gas cooking appliance of the present invention, it is preferable that the panel substrate is formed with a groove for accommodating wiring along a joint end face of a portion where the terminal is mounted. By doing so, the wiring from the terminal connected to the terminal provided at the bonding end of the panel substrate can be accommodated in the groove in a concealed state, so that the wiring is protected from the external environment and this bonding is performed. Another panel substrate can be continuously joined to the end face.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the present invention, in which each unit member having a temperature detecting unit embedded around a gas cooking appliance is arranged, and FIG. 2 is arranged around the gas cooking appliance. FIG. 3 is a conceptual perspective view showing a state in which a temperature detection unit embedded in each unit member is connected to a control device;
FIG. 4 is a partial perspective view showing a state where terminals of a temperature detection unit provided on a panel substrate are connected to respective terminals on a control device side.

In FIG. 1, reference numeral 1 denotes a gas cooking appliance,
In the gas cooking appliance 1, a frame 3 is inserted into an opening (not shown) formed in a top plate 2 of a sink, and an inner peripheral edge of the frame 3 is provided with a soup tray (not shown) and swords 4a and 4a.
b, 4c are locked.

Burners 5a, 5b, and 5c are provided at the center of each of the four virtues 4a, 4b, and 4c, and a grill 6 having a burner (not shown) is provided inside the gas cooking appliance 1. I have.

Reference numerals 7a to 7c denote operation knobs,
The operation knob 7a corresponds to the burner 5a, the operation knob 7b corresponds to the burner 5b, the operation knob 7c corresponds to the burner 5c, and the operation knob 7d corresponds to the grill 6. Each of the operation knobs 7a to 7c connected to the front of the sink
A display unit W, which is display-controlled by the control device C described later, is provided adjacent to the.

On the other hand, in the vicinity of the gas cooking device 1, for example, a gas cooking device 1 as a panel substrate has a front panel 8a provided on a front wall portion and a side panel 8b provided on a side wall portion. Sink top plate 2, which is the upper surface of device 1,
And cabinets 9a, 9b, etc., arranged on the left and right sides of the gas oven H, respectively.

Of these peripheral areas, the panels 8a and 8b as unit members disposed on the front and side surfaces of the gas cooking appliance 1 tend to rise in temperature due to radiant heat or convection of hot air. , 8b is a heat-resistant material such as a gypsum board, even if there are relatively few problems, such as a stainless steel plate stretched on the surface of wood, a wooden cabinet on the back of the panels 8a, 8b, etc. When the flammable wood is placed upright, the temperature is transmitted to these flammable woods, and if the superheated state continues for a long time, the wood parts will ignite.

Further, even in the case of the sink top plate 2 or the like made of a non-combustible material (stainless steel plate or the like) other than the flammable material, when the top plate 2 in the overheated state is brought into overheated state, for example, human hands are brought into contact with the overheated top plate 2. In that case, you will get an unexpected burn.

Further, the gas oven H below the gas cooking appliance
If the cabinets 9a, 9b, etc. disposed on the left and right sides are also heated for a long time, there is a danger of burns when humans come into contact with the top plate 2 of the gas cooking appliance 1.

Therefore, an overheating prevention device is employed to prevent each unit member disposed around the gas cooking appliance from being abnormally overheated.

That is, the apparatus for preventing overheating around the gas cooking appliance 1 according to the present invention comprises a front panel 8a and side surfaces as unit members (to be described later) disposed around the gas cooking appliance 1 including at least the gas cooking appliance 1. In addition to the side panel 8b provided on the wall, the detection end is exposed on the sink top plate 2, which is the upper surface of the gas cooking appliance 1, and on the heat receiving surface side of the cabinets 9a, 9b arranged on the left and right sides of the gas oven H. Temperature sensors 14a, 14b, 14c configured as a plurality of temperature detectors embedded in the
14d and 14e, the temperature measured by the temperature sensor is compared with a preset reference temperature, and when the measured temperature exceeds the reference temperature, the burners 5a, 5b, 5c and the grill 6 are shut off. The control device C housed inside the cooking appliance 1 and the temperature sensors 14a, 14b,
Of the 14c, 14d and 14e (see FIG. 2), for example, the terminals P1 and P3 of the temperature sensors 14a and 14b and the terminals P2 and P4 (see FIG. 3) of the control device C are connected in a concealed state. ing.

More specifically, as shown in FIG. 3, of the unit members in which the temperature sensors 14a, 14b, 14c, 14d, and 14e are embedded, the temperature sensors 14a, 14b, 14c, 14d, and 14e are connected to the front surface or the side surface of the gas cooking appliance 1. Panel substrates 8
a and 8b are terminals P1 and P3 mounted on the joint end surfaces of the panel substrates 8a and 8b to connect the ends of the wirings R1 and R3 of the temperature sensors 14a and 14b inserted through the panel substrates 8a and 8b, respectively. When the terminals P1 and P3 are connected to the terminals P2 and P4 on the control device C side, both terminals P1 and P2
And P2, P4 are accommodated in cutout recesses K1, K2 formed in the joint end faces of the panel substrates 8a, 8b.

The temperature sensors 14c, 14d, 14e provided on unit members other than the panel substrates 8a, 8b
Are connected between the control device C and terminals (not shown).

Also, the joint end faces of the panel substrates 8a and 8b to which the terminals P1P, 2P, 3P and P4 are mounted are:
A groove M (only panel 8a is shown) for accommodating the wiring R4 and the like is formed along the joint end face.

Next, the control device C is constituted by, for example, a microcomputer, and comprises a plurality of temperature sensors 1.
When the measured temperature measured by 4a, 14b, 14c, 14d and 14e exceeds the reference temperature, each burner 5
a, 5b, 5c and a main plug (not shown) of the grill 6 are automatically cut off.

The control device C further comprises measuring points A1 to A5
When any of the measured temperatures in the above exceeds the reference temperature,
The position of the detection point exceeding the reference temperature is displayed on the display unit W, and the measurement point A1 exceeding the reference temperature is displayed.
When the temperature of A5 returns to the normal temperature, the main plugs of the burners 5a, 5b, 5c and 6 which have been shut off until now are opened, and this is displayed on the display unit W.

The display section W shown in FIG. 1 is constituted by, for example, LEDs composed of seven segments.
When the measured temperature of each of the temperature measuring points A1, A2, A3, A4 and A5 exceeds the reference temperature, the corresponding measuring points A1, A2, A3, A4 and A5 are displayed by symbols as they are and used. Even when the temperature is in a normal state, it is displayed by a display symbol.

Next, the procedure for assembling the overheat prevention device in the periphery of the gas cooking appliance and the overheat prevention control will be described.

First, as shown in FIG. 2, the temperature measurement position A is set such that the detection end is exposed so as to face the heat receiving surface side.
1. Panel boards 8a and 8b as unit members in which the temperature sensors 14a and 14b of A2 are embedded are attached to the front and side surfaces of the gas cooking appliance 1.

The temperature sensor 1 at the temperature measurement position A3 is provided inside the sink top plate 2 before the gas cooking appliance 1 is installed so that the detection end is exposed at a substantially central position on the upper surface of the top plate 2.
4c are embedded, and the temperature measurement positions A4 and A are set so that the detection ends are exposed on the heat receiving surface side of the inner side surfaces of the cabinets 9a and 9b disposed on the left and right sides of the gas oven H before being assembled.
Five temperature sensors 14d and 14e are respectively embedded.

In the panel substrates 8a and 8b, the terminals P1 and P3 which are mounted so as to be partially exposed in the cutout recesses K1 and K2 formed substantially in the center of the predetermined joint end, and the temperature sensors 14a, 14b, each wiring R1, R
3 is buried in the panel substrates 8a and 8b.

Further, although not shown, each signal of a temperature sensor 14c embedded in a substantially central position on the upper surface of the top plate 2 and temperature sensors 14d and 14e embedded on a heat receiving surface side of inner side surfaces of the cabinets 9a and 9b, respectively. The lines are connected to the microcomputer C from the inside of the sink top plate 2 and the inside of the sink.
Are connected to the microcomputer C side in a concealed state by terminals (not shown).

As described above, each of the panel boards 8a, 8b disposed around the gas cooking appliance 1 including the gas cooking appliance 1,
A plurality of temperature sensors 14a, 14b, 14c, 14d are provided on the top plate 2 of the sink and on the heat receiving surface side of both cabinets 9a, 9b.
And 14e are embedded, respectively, so that each panel substrate 8a, 8b, the top plate 2 of the sink, and both cabinets 9a,
By simply arranging the temperature sensors 9b around the gas cooking appliance 1, the temperature sensors can be installed at appropriate positions.

At the same time, since these temperature sensors are connected in a concealed state to the microcomputer C via the respective terminals, installation of the temperature sensors and wiring connection work can be simplified and an aesthetic appearance can be ensured. Can be.

Particularly, in the case of a panel board, each of the temperature sensors 14a, 14b is simply connected and attached to the front or side face of the gas cooking appliance 1, and the plurality of panel sensors 8a, 8b are mounted.
b is placed in an appropriate position in a concealed state, so that each terminal P1,
Mounting of P2, P3, P4 and wiring R1, R2, R3, R
4 becomes easy.

The terminals P of the temperature sensors 14a and 14b
1, P3 and the terminals P2, P4 on the control device side, and the cutout recesses K1, K2 on the joint end faces so that the wirings R1, R2, R3, R4 do not protrude from the surfaces of the panel substrates 8a, 8b.
The terminals P1 and P are connected to each other at the time of joining between the panel substrates 8a and 8b and installation of the gas cooking device 1.
2, P3, P4 and the wirings R1, R2, R3, R4, the gas cooking appliance and the like can be tightly joined to the panel surface without being affected.

Further, the wiring R4 and the like from the terminals P2 and P4 on the microcomputer C side connected to the terminals P1 and P3 provided at the joint ends of the panel substrates 8a and 8b are formed by grooves M
Since the wiring R4 can be housed in a concealed state, these wirings R4 are protected from the external environment, and another panel substrate can be continuously connected to this connection end face.

Next, the overheat prevention control will be described. First, when measuring the temperature, each of the temperature sensors has a measurement point A.
Reference temperatures of 1, A2, A3, A4 and A5 are set. Here, the reference temperature is different depending on each measurement point. At the measurement points A1 and A2, the reference temperature is set at approximately the center of the surface of the front panel 8a, 8b of the gas cooking appliance 1, and the surface temperature becomes, for example, 100 ° C. (fire limit temperature). Is set.

At the measuring point A3, the gas cooker 1 is installed on the top surface of the top plate 2 and its upper surface temperature is 40 ° C. to 60 ° C.
In addition to (burn limit temperature), measurement points A4 and A5 are installed on the inner wall side facing the gas oven H side of both cabinets 9a and 9b arranged on both sides of the gas oven H below the gas cooker 1, and the temperature is measured. Is set to 40 ° C to 60 ° C (burn limit temperature).

First, a part or all of the burners (5a, 5b, 5c, and 6) are ignited, and at the same time, the temperature measurement is started by the temperature sensors at the respective measurement points set around the gas cooking appliance 1. You.

The temperatures measured by the temperature sensors provided at the plurality of measurement points A1, A2, A3, A4 and A5 in the peripheral area of the gas cooking appliance 1 are compared with the respective reference temperatures stored in the storage means. When the measured temperature exceeds the reference temperature, the main plugs of the burners 5a, 5b, 5c and 6 are shut off, and this state is notified by, for example, generation of a buzzer sound.

Subsequently, which of the temperature measurement points among the temperature measurement points has exceeded the set temperature is displayed on a CRT screen, which is a display unit W provided on the front surface of the gas cooking appliance 1, for example. Indicated by the symbol.

Next, when a predetermined time has elapsed and the temperature of the overheat measurement point falls below the reference temperature and returns to the normal temperature state, a symbol is displayed on the display unit W to indicate that the state is stable.

Thus, it is possible to immediately confirm from the display unit W that the main plug of each burner, which has been shut off, is automatically opened and each burner of the gas cooker 1 is in a reusable state.

Although the embodiments of the present invention have been described with reference to the drawings, the specific structure is not limited to these embodiments, and even if there are changes and additions without departing from the gist of the present invention, Included in the invention.

[0045]

The present invention has the following effects.

(A) According to the first aspect of the present invention, since a plurality of temperature detectors are respectively embedded on the heat receiving surface side of each unit member arranged around the gas cooking appliance including the gas cooking appliance, By simply arranging the members around the gas cooking appliance, the temperature detection unit is installed in the proper position, and at the same time, these temperature detection units are connected to the control device in a concealed state, so that the installation work of the temperature detection unit can be simplified. And an aesthetic appearance can be ensured.

(B) According to the second aspect of the present invention, by simply connecting and mounting a plurality of panel substrates to the front or side surface of the gas cooking appliance, each of the temperature detecting sections is installed at an appropriate position in a concealed state. Therefore, mounting of each terminal and wiring processing are facilitated, and both the terminal and the wiring of the terminal of the temperature detection unit and the control device are accommodated in the joint end face of the panel board so as not to protrude from the surface of the panel board. Therefore, when joining the panel substrate or installing the gas cooking device, the gas cooking device can be joined and arranged in a state in which the gas cooking device is in close contact with the panel surface without being affected by these terminals and wiring.

(C) According to the third aspect of the present invention, the wiring from the terminal connected to the terminal provided at the joint end of the panel substrate can be accommodated in the groove in a concealed state. While being protected from the environment, another panel substrate can be continuously joined to this joint end face.

[0049]

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention, in which each unit member having a temperature detecting unit embedded around a gas cooking appliance is disposed.

FIG. 2 is a conceptual perspective view showing a state in which a temperature detection unit embedded in each unit member provided around the gas cooking appliance is connected to a control device.

FIG. 3 is a partial perspective view showing a state in which terminals of a temperature detection unit provided on a panel substrate are connected to respective terminals on a control device side.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Gas cooking appliance 2 Top plate 3 Frame 4a, 4b, 4c Gotoku 5a, 5b, 5c Burner 6 Grill 7a-7c Operation knob 8a, 8b Front panel 9a, 9b Cabinet 14a, 14b Temperature sensor (temperature detection part) 14c 14d, 14e temperature sensor (temperature detection unit) A1 to A5 measurement point C microcomputer (control device) H gas oven K1, K2 cutout recess M groove P1, P2, P3, P4 terminal R1, R2, R3, R4 wiring W display Department

Claims (3)

[Claims] An apparatus for preventing overheating of each part in a region around each burner of a gas cooking appliance having at least two or more burners, wherein the overheating prevention device includes at least the gas cooking appliance. A plurality of temperature detection units embedded on the heat receiving surface side of each unit member arranged around the device, and a temperature measured by the temperature detection unit is compared with a preset reference temperature, and the measured temperature is set to the reference temperature. A control device housed inside the gas cooking appliance to shut off and control each of the burners when it is exceeded, and a terminal of each of the temperature detectors and a terminal of the control device are connected in a concealed state. An apparatus for preventing overheating around gas cooking appliances. 2. The unit member in which the temperature detection unit is embedded is a plurality of panel boards that are connected and connected to the front or side surface of the gas cooking appliance, and are inserted through the panel board. A terminal mounted on the joint end surface of the panel substrate to connect the wiring end of the temperature detection unit, and when the terminal is connected to the terminal on the control device side, both terminals are in the joint end surface of the panel substrate. The overheat prevention device around the gas cooking appliance according to claim 1, wherein the device is configured to be accommodated. 3. The device for preventing overheating around a gas cooking appliance according to claim 1, wherein the panel substrate has a groove for accommodating a wiring formed along a joint end surface of a portion where the terminal is mounted. .