CN218009396U

CN218009396U - Gas oven temperature control system

Info

Publication number: CN218009396U
Application number: CN202221652514.1U
Authority: CN
Inventors: 李雪波
Original assignee: Ningbo Laite Gas Stoves Co ltd
Current assignee: Ningbo Laite Gas Stoves Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-13
Anticipated expiration: 2032-06-28

Abstract

The utility model relates to a gas oven temperature control system, including a plurality of combustors of locating the oven inner chamber, every combustor corresponds has the gas nozzle to carry out the air feed to it, its characterized in that: still including the temperature control gas valve of taking the temperature sensing stick, through the valve rod rotation angle's of temperature control gas valve difference, realize the settlement of different temperatures, the end of giving vent to anger of temperature control gas valve divides into the multichannel and corresponds the distribution to each through the gas distribution structure the gas nozzle, the temperature sensing stick stretches into the oven inner chamber is in order to respond to its internal temperature, and under the state that the temperature of oven inner chamber is less than the setting value, the end of giving vent to anger of temperature control gas valve is given vent to anger for large-traffic, and under the state that the temperature of oven inner chamber is higher than the setting value, the regulation structure action in the temperature control gas valve makes the play gas volume of the end of giving vent to anger of temperature control gas valve reduce. The automatic temperature control device has the advantages of reasonable and simple structural design and capability of realizing the automatic temperature control function when the furnace cover is closed.

Description

Gas oven temperature control system

Technical Field

The utility model relates to a be fit for temperature control system who is used for gas oven.

Background

The temperature control gas valve with the temperature sensing rod is generally used for a gas oven, a relatively closed space is formed in the gas oven working time box body, the temperature sensing rod can accurately sense the internal temperature of the gas oven, so that the temperature control gas valve can control the motion of an adjusting structure in the temperature control gas valve, and the gas output is stably adjusted according to setting. The existing gas oven (hereinafter referred to as gas BBQ) generally comprises an oven body and a burner arranged in the oven body, the barbecue process is open, and the oven is not suitable for automatic temperature control by adopting a temperature control gas valve with a temperature sensing rod, therefore, the gas flow is mostly controlled by a manual mode to control the firepower, and a control valve is arranged on a front panel of the oven body for control, and an electronic pulse igniter is used for ignition.

The main control valve is responsible for igniting and opening and closing the main air source, and the branch control valves respectively correspond to one combustor to control the gas quantity of the single combustor, so as to control the fire behavior of the single combustor. The gas oven can only control the firepower by manually adjusting the gas flow of the valve body, thereby achieving the required barbecue temperature.

For example, the Chinese utility model patent "novel gas oven" with patent number ZL201620037218.9 (publication number CN 205338700U) and the Chinese utility model patent "solid rotary gas oven" with patent number ZL200720153810.6 (publication number CN 201135373Y) all disclose such an oven.

Along with the improvement of the technology, the gas oven can be provided with an oven cover, the oven cover and the oven body are better sealed, when the oven cover is opened, the gas oven can be used as a traditional gas oven, and in order to realize quick baking, when an operator can close the oven cover, the temperature of the inner cavity of the gas oven is quickly raised. But needs to be opened immediately, otherwise, the food is easy to be over-heated, which requires certain experience for a barbecued person to cook quickly and well

In conclusion, the use function of the existing gas oven cannot satisfy the user, the use is inconvenient, the requirement of humanized operation is not met, and the food baking effect is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the first technical problem that to above-mentioned prior art current situation and provide a gas oven temperature control system that structural design is reasonable simple, and can realize automatic temperature control function when the furnace mantle is closed.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a gas oven temperature control system, is including locating a plurality of combustors of oven inner chamber, and every combustor corresponds has the gas nozzle to carry out its air feed, its characterized in that to it: still including the temperature control gas valve of taking the temperature sensing stick, through the valve rod rotation angle's of temperature control gas valve difference, realize the settlement of different temperatures, the end of giving vent to anger of temperature control gas valve divides into the multichannel and corresponds the distribution to each through the gas distribution structure the gas nozzle, the temperature sensing stick stretches into the oven inner chamber is in order to respond to its internal temperature, and under the state that the temperature of oven inner chamber is less than the setting value, the end of giving vent to anger of temperature control gas valve is given vent to anger for large-traffic, and under the state that the temperature of oven inner chamber is higher than the setting value, the regulation structure action in the temperature control gas valve makes the play gas volume of the end of giving vent to anger of temperature control gas valve reduce.

Preferably, the gas distribution structure comprises a multi-channel joint connected to the gas outlet end of the temperature control gas valve, and each outlet end of the multi-channel joint is connected with the corresponding gas nozzle through a gas pipe. The gas distribution structure has few design components and reasonable structural design.

As further preferred, above-mentioned gas distribution structure is including fixing the gas distributing pipe at the oven inner chamber, each gas nozzle installs on the gas distributing pipe and communicate with it, be equipped with the gas input on the gas distributing pipe, the end of giving vent to anger of temperature control gas valve pass through the connecting pipe with gas input on the gas distributing pipe is connected. This gas distribution structure has the more convenient advantage of installation, and the gas distributing pipe is installed in the oven inner chamber in advance to in place each gas nozzle installation in advance, it is very convenient that the gas oven producer connects the control by temperature change gas valve, only need through the connecting pipe with the control by temperature change gas valve give vent to anger the end with the gas input on the gas distributing pipe be connected can, do benefit to the producer and assemble.

The temperature-control gas valve is further improved and further comprises an ignition device, a microswitch is arranged outside the temperature-control gas valve and connected with the ignition device, and a trigger disc capable of rotating along with the microswitch is sleeved on the valve rod; in an initial state, the trigger disc does not trigger the microswitch, the valve rod is pressed down to enable the trigger disc to trigger the microswitch, and the ignition device starts to ignite. The ignition device can be controlled to ignite by the operation knob of the temperature control gas valve, and an external igniter (ignition gun) is not needed for ignition.

Alternatively, the ignition device is an ignition needle with a pulser, or an ignition plug. The ignition needle or the ignition plug has advantages and disadvantages respectively, and the ignition needle is cheap. The ignition plug is high in price, and has the advantage that an air source is communicated after the ignition is carried out for a certain time, so that the effective ignition is ensured.

The temperature control gas valve is further improved, the temperature control gas valve further comprises a potentiometer and a circuit board with a display screen, the potentiometer is in signal connection with the circuit board, the potentiometer is fixed to the upper portion of the temperature control gas valve, and a rotor portion in the potentiometer is sleeved on a valve rod of the temperature control gas valve and can be driven by the valve rod to rotate so as to detect the rotating angle of the valve rod; the display screen on the circuit board can display the set temperature according to the rotating angle of the valve rod. This design makes temperature control system more intelligent, and the temperature of setting for can be very audio-visual observing from the display screen, greatly promotes the product grade, and the intensity of a fire of traditional gas oven can only be seen through the peripheral scale of knob of control valve.

Still further improve again, still include with circuit board signal connection's thermodetector, thermodetector stretches into the oven inner chamber is in order to detect its internal temperature to the temperature signal who will detect passes to the circuit board, the actual temperature of oven inner chamber can be shown to the display screen on the circuit board. The temperature detector can detect the actual temperature in the inner cavity of the oven in real time, and better control the duration and degree of heating of baked food, so that the baked food is more delicious and is not easy to scorch or the duration and degree of heating are not enough.

Still further improve again, still include with circuit board signal connection's flame probe, the flame probe stretches into whether the oven inner chamber is burning with the induction burner, be equipped with the flame display lamp that shows whether the burner burns on the circuit board. The operator can switch off the hood of the gas oven

Compared with the prior art, the utility model has the advantages of: the gas distributes each combustor through the temperature control gas valve of taking the temperature sensing stick, and the temperature sensing stick stretches into the oven inner chamber in order to respond to its internal temperature, and this makes the gas oven of taking the stove cover not only possess the barbecue of traditional oven probably, still can possess the function of gas oven. When the furnace cover is opened, the temperature sensing rod is exposed in the air at the same time, the temperature in the furnace is connected with the temperature outside the furnace, and the temperature sensed by the temperature sensing rod is lower than the set temperature, so that the adjusting structure is in a state of maximum flow, but the temperature (fire behavior) can be adjusted through the rotation of the valve rod; when the oven cover is closed, a relatively closed baking space is formed, the temperature of air in the inner cavity of the oven rises, the temperature sensing rod plays a role, the temperature in the inner cavity of the oven does not reach the set temperature in the initial stage, the air outlet end of the temperature control gas valve is in large flow air outlet, and the burner is in a big fire state; when the temperature in the oven cavity is higher than the set temperature, the adjusting structure in the temperature control gas valve acts to reduce the gas output of the gas outlet end of the temperature control gas valve, and the burner is in a small fire state; when the temperature in the inner cavity of the oven is lower than the set temperature, the adjusting structure in the temperature control gas valve acts to increase the gas output of the gas outlet end of the temperature control gas valve, so that the burner is in a big fire state again, and the oven plays a role of a gas oven.

Drawings

FIG. 1 is a schematic view of a first embodiment of a gas grill temperature control system;

FIG. 2 is a first schematic perspective view of a temperature-controlled gas valve of a first embodiment of a gas grill temperature control system;

FIG. 3 is a second schematic perspective view of a temperature controlled gas valve in an embodiment of a second temperature control system for a gas grill;

FIG. 4 is a cross-sectional view of a thermostatic gas valve of a first embodiment of a gas grill temperature control system;

fig. 5 is a schematic view of a second embodiment of a gas grill temperature control system.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, it is a preferred embodiment of the gas cock valve of the present invention.

The utility model provides a gas oven temperature control system, is including locating a plurality of combustors 2 of oven inner chamber 1, and every combustor 2 corresponds there is gas nozzle 3 to carry out the air feed to it. In this embodiment, there are three burners 2, and the three burners 2 need to have fire transfer rows 21 between each other for better fire transfer.

Still including taking the temperature control gas valve 5 of temperature sensing stick 4, the inlet end 54 and the gas bottle of temperature control gas valve 5 are connected, realize the settlement of different temperatures through the difference of valve rod 51 rotation angle of temperature control gas valve 5, the end 52 of giving vent to anger of temperature control gas valve 5 divides into the multichannel through the gas distribution structure and corresponds the distribution to each gas nozzle 3, temperature sensing stick 4 stretches into oven inner chamber 1 is in order to respond to its internal temperature, and under the state that the temperature of oven inner chamber 1 is less than the setting value, the end 52 of giving vent to anger of temperature control gas valve 5 is given vent to anger for large-traffic, and under the state that the temperature of oven inner chamber 1 is higher than the setting value, the regulation structure 53 action in the temperature control gas valve 5 makes the end 52 of giving vent to anger of temperature control gas valve 5 go out the gas volume and reduce. The temperature sensing rod 4 can transmit a thermal signal to the adjustment structure 53 in the temperature-controlled gas valve 5 to operate. Which is prior art.

The temperature control gas valve 5 with the temperature sensing rod 4 can be a temperature control gas valve with a long open fire function, and refer to a "temperature control valve with a long open fire function with improved structure" with a patent number of 201921048254.5 applied by the applicant, or a "temperature control valve with a long open fire function with optimized structure" with a patent number of 201922262010.3 applied by the applicant, or other existing temperature control gas valve structures with a temperature sensing rod.

The gas distribution structure in this embodiment includes the gas distribution pipe 7 of fixing at oven inner chamber 1, each gas nozzle 3 installs on the gas distribution pipe 7 and communicate with it, be equipped with gas input 71 on the gas distribution pipe 7, the end 52 of giving vent to anger of temperature control gas valve 5 pass through the connecting pipe 72 with gas input 71 on the gas distribution pipe 7 is connected.

The ignition device 8 is further included, and the ignition device 8 is an ignition needle or an ignition plug with a pulser 81. A microswitch 14 is arranged outside the temperature control gas valve 5, the microswitch 14 is connected with a pulser 81 of the ignition device 8, and a trigger disc 511 which can rotate along with the valve rod 51 is sleeved on the valve rod 51; in the initial state, the micro switch 14 is not triggered by the trigger plate 511, and the valve rod 51 is pressed down to enable the micro switch 14 to be triggered by the trigger plate 511, so that the ignition device starts to ignite.

The gas temperature control fuel gas valve further comprises a potentiometer 10 and a circuit board 11 with a display screen 111, wherein the potentiometer 10 is in signal connection with the circuit board, the potentiometer 10 is fixed on the upper portion of the temperature control fuel gas valve 5, and a rotor portion in the potentiometer 10 is sleeved on a valve rod 51 of the temperature control fuel gas valve and can be driven by the valve rod 51 to rotate so as to detect the rotating angle of the valve rod 51; the display screen 111 on the circuit board 11 can display the set temperature according to the angle of rotation of the valve rod 51. The potentiometer 10 is a commercially available part, and can be purchased, and the specific internal structure of the potentiometer is not shown in the drawing.

Still include with circuit board 11 signal connection's thermodetector 12, thermodetector 12 stretches into oven inner chamber 1 is with detecting its internal temperature to reach the temperature signal who detects and give the circuit board, the actual temperature of oven inner chamber 1 can be shown to display screen 111 on the circuit board 11.

Still include with circuit board 11 signal connection's flame probe 13, flame probe 13 stretches into whether oven inner chamber 1 is in the burning with induction burner 2, be equipped with the flame display lamp 112 that shows whether combustor 2 burns on the circuit board 11.

The working principle and the process of the temperature control system of the gas oven are as follows.

The valve rod 51 of the temperature control gas valve 5 is pressed down and rotated anticlockwise to a set angle (for example, 50 degrees), and the valve rod 51 drives the trigger disc 511 to trigger the microswitch 14 to give a signal which can be ignited; meanwhile, the valve rod 51 drives the rotor in the potentiometer 10 to rotate to send a signal to the circuit board 11, the number of the rotation angles is equal to the number of the set temperature, the set temperature is displayed on the display screen 111 of the circuit board 11, and after ventilation and ignition, the three burners 2 are all in a big fire state.

When the furnace cover is opened, the temperature inside the furnace is connected with the temperature outside the furnace, the temperature sensed by the temperature sensing rod 4 is lower than the set temperature, and the adjusting structure 53 is in a state of maximum flow, but the temperature (fire behavior) can be adjusted by rotating the valve rod 51. When the oven cover is closed to form a closed baking space, the air temperature in the oven inner cavity 1 rises, the temperature sensing rod 4 plays a role, the temperature in the oven inner cavity 1 does not reach the set temperature in the initial stage, the air outlet end of the temperature control gas valve 5 discharges air with large flow, and the burner 2 is in a big fire state; when the temperature in the oven cavity 1 is higher than the set temperature, the adjusting structure 53 in the temperature control gas valve 5 acts to reduce the gas outlet quantity at the gas outlet end of the temperature control gas valve 5, and the burner 2 is in a small fire state; when the temperature in the oven cavity 1 is lower than the set temperature, the adjusting structure 53 in the temperature control gas valve 5 acts to increase the gas outlet amount of the gas outlet end 52 of the temperature control gas valve 5, so that the burner 2 is in a big fire state again, and the oven can play a role of a gas oven. Therefore, the gas oven with the oven cover not only has the barbecue possibility of the traditional oven, but also has the function of a gas oven.

The action principles of the temperature sensing rod and the adjusting structure are the prior art, and the description is not repeated.

Fig. 5 shows a second preferred embodiment of the present invention.

The present embodiment is different from the first embodiment in that: the fuel gas distribution structure comprises a multi-way joint 6 connected to the gas outlet end 52 of the temperature-controlled fuel gas valve 5, and each outlet end of the multi-way joint 6 is connected with the corresponding fuel gas nozzle 3 through a gas pipe 61.

It should be noted that in the description of the present embodiment, the terms "front, back", "left, right", "up, down", etc. indicate the orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description of the present invention and simplification of description, but do 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 thus, should not be construed as limiting the present invention. The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Claims

1. The utility model provides a gas oven temperature control system, is including locating one or more combustor (2) of oven inner chamber (1), and every combustor (2) is corresponding to have gas nozzle (3) to carry out the air feed, its characterized in that to it: the temperature control gas burner is characterized by further comprising a temperature control gas valve (5) with a temperature sensing rod (4), different temperatures are set through different rotation angles of a valve rod (51) of the temperature control gas valve (5), the gas outlet end (52) of the temperature control gas valve (5) is divided into one path or multiple paths through a gas distribution structure and correspondingly distributed to each gas nozzle (3), the temperature sensing rod (4) extends into the oven inner cavity (1) to sense the temperature in the oven inner cavity, the gas outlet end (52) of the temperature control gas valve (5) discharges gas for a large flow rate in the state that the temperature of the oven inner cavity (1) is lower than a set value, and the gas outlet amount of the gas outlet end (52) of the temperature control gas valve (5) is reduced through the action of an adjusting structure (53) in the temperature control gas valve (5) in the state that the temperature of the oven inner cavity (1) is higher than the set value.

2. The gas grill temperature control system of claim 1, wherein: the fuel gas distribution structure comprises a multi-way joint (6) connected to a gas outlet end (52) of the temperature control fuel gas valve (5), and each outlet end of the multi-way joint (6) is connected with the corresponding fuel gas nozzle (3) through a gas pipe (61).

3. The gas grill temperature control system of claim 1, wherein: gas distribution structure is including fixing gas distributing pipe (7) in oven inner chamber (1), each gas nozzle (3) are installed on gas distributing pipe (7) and switch-on with it, be equipped with gas input end (71) on gas distributing pipe (7), the end (52) of giving vent to anger of control by temperature change gas valve (5) through connecting pipe (72) with gas input end (71) on gas distributing pipe (7) are connected.

4. The gas grill temperature control system of claim 1, wherein: the temperature control gas valve is characterized by further comprising an ignition device (8), a microswitch (14) is arranged outside the temperature control gas valve (5), the microswitch (14) is connected with the ignition device (8), and a trigger disc (511) capable of rotating along with the valve rod (51) is sleeved on the valve rod; in an initial state, the trigger disc (511) does not trigger the microswitch (14), the valve rod (51) is pressed down to enable the trigger disc (511) to trigger the microswitch (14), and the ignition device starts to ignite.

5. The gas grill temperature control system of claim 4, wherein: the ignition device (8) is an ignition needle with a pulser or an ignition plug.

6. The gas grill temperature control system according to any one of claims 1 to 5, wherein: the gas-operated fuel gas valve is characterized by further comprising a potentiometer (10) and a circuit board (11) with a display screen (111), wherein the potentiometer (10) is in signal connection with the circuit board, the potentiometer (10) is fixed to the upper portion of the temperature-controlled fuel gas valve (5), and a rotor portion in the potentiometer (10) is sleeved on a valve rod (51) of the temperature-controlled fuel gas valve and can be driven to rotate by the valve rod (51) so as to detect the rotating angle of the valve rod (51); the display screen (111) on the circuit board (11) can display the set temperature according to the rotating angle of the valve rod (51).

7. The gas grill temperature control system of claim 6, wherein: still include with circuit board (11) signal connection's thermodetector (12), thermodetector (12) stretch into oven inner chamber (1) is in order to detect its internal temperature to the temperature signal who will detect passes to the circuit board, the actual temperature of oven inner chamber (1) can be shown to display screen (111) on circuit board (11).

8. The gas grill temperature control system of claim 6, wherein: still include with circuit board (11) signal connection's flame probe (13), flame probe (13) stretch into whether oven inner chamber (1) is in the burning with induction burner (2), be equipped with flame display lamp (112) that whether display burner (2) burn on circuit board (11).