CN201106867Y - Gas furnace ignition device and gas furnace - Google Patents

Abstract

A gas stove ignition device and a gas stove, especially a medium and high-pressure gas stove with strong thermal power suitable for the catering industry, including a gas stove combustion chamber, a button, a discharge device, and a discharge needle. The discharge tip of the discharge needle is set on the In the combustion chamber of the gas furnace or adjacent to it, and placed at a position flush with or close to the inner wall of the furnace wall, the other end is connected with a high-voltage wire, which is placed in a heat-resistant insulating sleeve and extends to the high-temperature area near the combustion flame The position outside the discharge device is connected with the discharge device. When igniting, the inner wall of the furnace wall closest to the discharge needle is used as the discharge plate; The valve assembly does not need to be equipped with an ignition control valve, the ignition operation is simple and reliable, it is convenient for gas intake and ignition to realize synchronous control operation, safe and reliable in use, no need to reserve fire, avoid safety hazards, and save gas.

Description

Gas furnace ignition device and gas furnace

technical field

The utility model relates to an ignition device for a gas furnace and a gas furnace, in particular to an ignition device for a gas furnace and a gas furnace suitable for medium and high-pressure gas furnaces with strong thermal power in the catering industry.

Background technique

In the prior art, the insulating layer of the high-voltage wire in the ignition device of the gas furnace is made of non-high-temperature heat-resistant materials, and the heating of the discharge needle by the combustion flame or the radiant heat in the high-temperature area will cause the insulating layer of the non-high-temperature heat-resistant material to melt or Ablation, especially the impact of medium and high-pressure gas furnaces with strong heat used in the catering industry is more prominent. Therefore the igniter of gas stove in the prior art is generally all placed beside the combustion chamber of gas stove, and its discharge needle is separated from the combustion flame range of gas stove or is too close to the high temperature zone of combustion flame. However, since the spark generated by the ignition device is far away from the combustion chamber of the gas furnace, in order to ensure the ignition, a special ignition device needs to be installed, including a small ignition gas tube, a discharge plate for ignition, etc. installed next to the discharge needle. The needle and the discharge plate produce sparks to ignite the gas emitted by the small tube of ignition gas first, and then ignite the gas overflowing in the gas stove by the flame of the small tube of ignition gas. Due to the setting of the ignition gas small tube, it is necessary to set a special ignition small air hole and an ignition control valve in the gas control valve assembly of the gas stove, so that the structure and processing of the gas control valve are very complicated. Moreover, the medium and high-pressure gas furnaces with strong heat used in the catering industry are prone to clogging of the small ignition gas tube due to heavy oil pollution and more fouling, or the electric spark cannot be generated due to fouling and fouling of the discharge needle and the discharge plate. lead to ignition failure. Therefore, igniter has to all adopt the kindling setting that keeps the small flame of ignition gas small pipe outlet when the cooking operation temporarily shuts down, easily causes like this and there is fire hazard when the person who cooks temporarily leaves or the small flame extinguishes gas leakage, and also wastes gas.

Utility model content

The purpose of the utility model is to avoid the deficiencies in the prior art and provide a gas furnace ignition device with simple and compact structure, simple and reliable ignition operation, safe and reliable use, and energy saving.

Another purpose of the utility model is to avoid the disadvantages of the prior art and provide a gas stove with simple and compact structure, simple and reliable ignition operation, safe and reliable use, and energy saving.

The purpose of this utility model can be achieved through the following technical measures: the ignition device of the gas furnace includes a button, a discharge device and a discharge needle, and the discharge tip of the discharge needle of the ignition device of the gas furnace is arranged in the combustion chamber of the gas furnace or adjacently above, juxtaposed The other end is connected to the high-voltage wire at a position that is flush with or close to the inner wall of the furnace wall. The high-voltage wire is placed in a heat-resistant insulating sleeve and extends to a position outside the high-temperature area close to the combustion flame to connect with the discharge device. When igniting, the inner wall surface of the furnace wall closest to the discharge needle is used as the discharge plate. The ignition device of the gas furnace has a simple and compact structure, more convenient processing and installation, reliable ignition, simple and convenient operation, safer and more reliable use at the same time, and can save gas without leaving a kindling.

As a preferred embodiment of the gas furnace ignition device of the present invention, the discharge tip of the discharge needle of the gas furnace ignition device is set above the gas inlet hole of the combustion chamber of the gas furnace, and placed on a wall that is flush with or close to the inner wall surface of the furnace wall. Location. This structure facilitates synchronous control operation of gas intake and ignition.

As a more preferred embodiment of the gas furnace ignition device of the present utility model, a support is provided on the side of the discharge tip of the discharge needle of the gas furnace ignition device, and the discharge needle passes through the support so that the discharge tip is set in the combustion chamber of the gas furnace. The inner wall surface of the furnace wall above the air hole is flush or close to the position. The support can also be integrated with the furnace wall of the combustion chamber of the gas furnace. The structure may be integrally cast or press formed with the furnace wall of the combustion chamber of the gas furnace.

As another preferred embodiment of the gas furnace ignition device of the present utility model, the heat-resistant insulating sleeve inserted into the high-voltage wire of the gas furnace ignition device is a ceramic tube, and extends to the high-temperature area close to the combustion flame together with the high-voltage wire. Discharge device connection position. The structure ensures high temperature resistance and insulation.

As another more preferred embodiment of the gas furnace ignition device of the present invention, the heat-resistant insulating sleeve of the gas furnace ignition device is a ceramic tube, which is inserted into a metal sleeve, and one end of the metal sleeve is installed on the discharge needle of the discharge needle. On the support on one side of the tip, the other end is installed on the support on the side of the connection position of the discharge device. The structure can prevent the ceramic tube from being damaged by bumping and liquid seeping into the insulation effect, and is convenient for installation and fixing.

Another object of the utility model can be achieved through the following technical measures: the gas furnace includes a gas furnace combustion chamber, an ignition device and its discharge needle, and the discharge tip of the discharge needle of the gas furnace ignition device is arranged in the gas furnace combustion chamber or correspondingly Adjacent to the top, and placed at a position flush with or close to the inner wall of the furnace wall, the other end is connected with a high-voltage wire. The discharge device is connected, and the inner wall surface of the furnace wall closest to the discharge needle is used as the discharge plate during ignition. The gas furnace has a simple and compact structure, more convenient processing and installation, reliable ignition, simple and convenient operation, safer and more reliable use, and can save gas without leaving a kindling.

As a preferred embodiment of the gas furnace of the present invention, the discharge tip of the discharge needle of the ignition device of the gas furnace is set above the gas inlet hole of the combustion chamber of the gas furnace, and placed at a position flush with or close to the inner wall of the furnace wall . This structure can facilitate synchronous control operation of gas intake and ignition.

As a more preferred embodiment of the gas furnace of the present utility model, a support is provided on the side of the discharge tip of the discharge needle of the ignition device of the gas furnace, and the discharge needle passes through the support so that the discharge tip is arranged on the gas inlet of the combustion chamber of the gas furnace. The inner wall surface of the furnace wall above the hole is flush or close to the position. The support can also be integrated with the furnace wall of the combustion chamber of the gas furnace. The structure can also be integrally cast or press-formed with the furnace wall of the combustion chamber of the gas furnace.

As another preferred embodiment of the gas furnace of the present utility model, the heat-resistant insulating sleeve inserted into the high-voltage wire of the ignition device of the gas furnace is a ceramic tube, and extends together with the high-voltage wire to the discharge area outside the high-temperature area close to the combustion flame. Device link. The structure can ensure high temperature resistance and insulation.

As another more preferred embodiment of the gas furnace of the present utility model, the heat-resistant insulating sleeve of the ignition device of the gas furnace is a ceramic tube, and is inserted into the metal sleeve, and one end of the metal sleeve is installed on the discharge tip of the discharge needle. On one side of the support, the other end is installed on the support on one side of the connection position of the discharge device. The structure can prevent the ceramic tube from being damaged by bumping and liquid seeping into the insulation effect, and is convenient for installation and fixing.

Compared with the prior art, the utility model has the following advantages:

(1) The structure is simple and compact, there is no need to set discharge plates and small ignition gas pipes, and the gas control valve assembly does not need to be equipped with ignition control valves, so that the gas control valve assembly has a simple structure and convenient processing;

(2) The ignition operation is simple and reliable, which is convenient for synchronous control operation of gas intake and ignition, and avoids ignition failure caused by discharge needle and discharge plate fouling, oil accumulation, rust, or discharge plate deformation, or burning away from the gas furnace Ignition failures that often occur because the chamber is far away;

(3) It is safe and reliable to use, since there is no need to reserve fire, it avoids potential safety hazards caused by gas leakage caused by the extinguishment of reserved fire;

(4) Save gas and avoid energy waste.

Description of drawings

The utility model is further described by using the accompanying drawings, but the embodiments in the accompanying drawings do not constitute any limitation to the present utility model.

Fig. 1 is a schematic structural view of a gas furnace ignition device and a gas furnace according to an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of the gas furnace ignition device shown in Fig. 1 and the connecting portion between the gas furnace ignition device and the gas furnace in the gas furnace.

Detailed ways

The utility model is further described in conjunction with the following examples:

Figure 1 and Figure 2 show a gas furnace ignition device and a gas furnace of the present utility model, including: a rotary button 1, a shift block 2, an impact block 3, a return spring 4, piezoelectric ceramics 5, and a metal sleeve 6. Heat-resistant insulating sleeve 7 of ceramic material, high-voltage wire 8 and discharge needle 9;

Example 1

According to the gas stove ignition device of the embodiment of the present utility model as shown in Figure 1, this is a specific embodiment of the gas stove ignition device, which includes a rotary button 1, a shift block 2, an impact bumper 3, a return spring 4, a pressing Electric ceramics 5, metal sleeves 6, heat-resistant insulating sleeves 7, high-voltage wires 8 and discharge needles 9; and the support 11 arranged on the furnace wall of the combustion chamber 10 of the gas furnace and the support on the side of the connection position of the discharge device . The discharge needle 9 is connected to the piezoelectric ceramic 5 through the high-voltage wire 8, and the high-voltage wire 8 is placed in the heat-resistant insulating sleeve 7; the heat-resistant insulating sleeve 7 can be a ceramic tube, or it can be made of other heat-resistant materials. Ceramic tubes or other heat-resistant materials are generally brittle, so the heat-resistant insulating sleeve 7 is inserted into the metal sleeve 6; the metal sleeve 6 can be a steel pipe, a stainless steel pipe or a copper pipe, one end of which is shown in Figure 2 , mounted on the support 11 that is arranged above the gas inlet hole 12 of the combustion chamber 10 of the gas furnace and integrated with the furnace wall of the combustion chamber 10 of the gas furnace, and the other end is mounted on the support on one side of the connection position of the discharge device On the seat; the discharge tip of the discharge needle 9, as shown in Figure 2, passes through the discharge pinhole of the support 11, and is flush with or close to the inner wall surface of the furnace wall of the combustion chamber 10 of the gas furnace. The inner wall surface of the furnace wall of the combustion chamber 10 of the gas furnace closest to the discharge tip is a discharge plate. When in use, rotate the button 1 to drive the dial 2 arranged on the control valve stem to push the impact bumper 3 over the top to release, and the elastic force of the return spring 4 makes the impact bumper 3 hit the piezoelectric ceramic 5, so that the piezoelectric ceramic 5 Generate an instantaneous high voltage, which is transmitted to the discharge tip of the discharge needle 9 through the high-voltage wire 8, and generates electric sparks between it and the inner wall surface of the furnace wall of the closest combustion chamber 10 of the gas furnace as the discharge plate, and ignites the gas furnace gas in the combustion chamber 10.

Example 2

The gas furnace according to the embodiment of the utility model is shown in Fig. 1, which is a specific embodiment of the gas furnace, which includes a gas furnace combustion chamber 10 and a support 11 on the furnace wall and a gas inlet on the side wall of the furnace wall. Air hole 12, and the rotary button 1, dial block 2, impact block 3, return spring 4, piezoelectric ceramics 5, metal sleeve 6, heat-resistant insulating sleeve 7, high-voltage wire 8 and discharge needle of the gas furnace ignition device 9 connect the support on one side with the discharge device. The discharge needle 9 is connected to the piezoelectric ceramic 5 through the high-voltage wire 8, and the high-voltage wire 8 is placed in the heat-resistant insulating sleeve 7; the heat-resistant insulating sleeve 7 can be a ceramic tube, or it can be made of other heat-resistant materials. Ceramic tubes or other heat-resistant materials are generally brittle, so the heat-resistant insulating sleeve 7 is inserted into the metal sleeve 6; the metal sleeve 6 can be a steel pipe, a stainless steel pipe or a copper pipe, one end of which is shown in Figure 2 , mounted on the support 11 that is arranged above the gas inlet hole 12 of the combustion chamber 10 of the gas furnace and integrated with the furnace wall of the combustion chamber 10 of the gas furnace, and the other end is mounted on the support on one side of the connection position of the discharge device On the seat; the discharge tip of the discharge needle 9, as shown in Figure 2, passes through the discharge pinhole of the support 11, and is flush with or close to the inner wall surface of the furnace wall of the combustion chamber 10 of the gas furnace. The inner wall surface of the furnace wall of the combustion chamber 10 of the gas furnace closest to the discharge tip is a discharge plate. When in use, rotate the button 1 to drive the dial 2 arranged on the control valve stem to push the impact bumper 3 over the top to release, and the elastic force of the return spring 4 makes the impact bumper 3 hit the piezoelectric ceramic 5, so that the piezoelectric ceramic 5 Generate an instantaneous high voltage, which is transmitted to the discharge tip of the discharge needle 9 through the high-voltage wire 8, and generates electric sparks between it and the inner wall surface of the furnace wall of the closest combustion chamber 10 of the gas furnace as the discharge plate, and ignites the gas furnace gas in the combustion chamber 10.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (10)

1. A gas stove ignition device, comprising a button, a discharge device and a discharge needle, characterized in that: the discharge tip of the discharge needle (9) is arranged in the combustion chamber of the gas stove (10) or adjacently above, and Place it at a position flush with or close to the inner wall of the furnace wall, and connect the other end with the high-voltage wire (8). The high-voltage wire (8) is placed in the heat-resistant insulating sleeve (7) and extends to the high-temperature area near the combustion flame The position outside is connected with the discharge device, and the inner wall surface of the furnace wall closest to the discharge needle (9) is used as the discharge plate when igniting. 2. The gas stove ignition device according to claim 1, characterized in that: the discharge tip of the discharge needle (9) is set above the gas inlet hole (12) of the gas stove combustion chamber (10), and Place it at a position that is flush with or close to the inner wall of the furnace wall. 3. The gas furnace ignition device according to claim 2, characterized in that: the discharge tip side of the discharge needle (9) is provided with a support (11), and the discharge needle (9) passes through the support ( 11) The discharge tip is arranged at a position flush with or close to the inner wall surface of the furnace wall above the gas inlet hole (12) of the combustion chamber (10) of the gas furnace. 4. The gas furnace ignition device according to claim 1 or 2, characterized in that: the heat-resistant insulating sleeve (7) inserted into the high-voltage wire (8) is a ceramic tube, and is connected with the high-voltage wire (8) The connection position of the discharge device extending out of the high temperature zone close to the combustion flame. 5. The gas furnace ignition device according to claim 4, characterized in that: the heat-resistant insulating sleeve (7) is a ceramic tube, and is inserted into the metal sleeve (6), and the metal sleeve (6) One end is installed on the support (11) on the side of the discharge tip of the discharge needle (9), and the other end is installed on the support on the side of the connection position of the discharge device. 6. A gas furnace, comprising a gas furnace combustion chamber, an ignition device and a discharge needle thereof, characterized in that: the discharge tip of the discharge needle (9) of the ignition device is arranged in the gas furnace combustion chamber (10) or Adjacent to the top, and placed at a position flush with or close to the inner wall of the furnace wall, the other end is connected to the high-voltage wire (8), and the high-voltage wire (8) is placed in the heat-resistant insulating sleeve (7) and extends to a position close to The position outside the high temperature zone of the combustion flame is connected with the discharge device, and the inner wall surface of the furnace wall closest to the discharge needle (9) is used as the discharge plate when igniting. 7. The gas stove according to claim 6, characterized in that: the discharge tip of the discharge needle (9) of the ignition device is arranged above the gas inlet hole (12) of the combustion chamber (10) of the gas stove, And place it in a position that is flush with or close to the inner wall of the furnace wall. 8. The gas stove according to claim 7, characterized in that: the discharge tip side of the discharge needle (9) of the ignition device is provided with a support (11), and the discharge needle (9) passes through the support (11) Make the discharge tip be arranged on the furnace wall inner wall above the gas inlet hole (12) of the gas furnace combustion chamber (10) at a level or close to the position. 9. The gas furnace according to claim 6 or 7, characterized in that: the heat-resistant insulating sleeve (7) inserted into the high-voltage wire (8) is a ceramic tube, and extends together with the high-voltage wire (8) To the connection position of the discharge device outside the high temperature zone near the combustion flame. 10. The gas furnace according to claim 9, characterized in that: the heat-resistant insulating sleeve (7) is a ceramic tube, and is inserted into the metal sleeve (6), and one end of the metal sleeve (6) is installed On the support (11) on one side of the discharge tip of the discharge needle (9), the other end is mounted on the support on the side of the connection position of the discharge device.

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