CN219103352U

CN219103352U - Induction mechanism and combustor comprising same

Info

Publication number: CN219103352U
Application number: CN202320051287.5U
Authority: CN
Inventors: 魏苗苗
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-05-30
Anticipated expiration: 2033-01-06

Abstract

The utility model belongs to the technical field of gas water heaters, and particularly discloses an induction mechanism and a combustor comprising the same, wherein the induction mechanism comprises a connecting section and an induction section, the induction section comprises an outer shell, a push rod and a telescopic piece, the telescopic piece is made of memory metal, the connecting section is connected with the outer shell, one end of the outer shell is provided with an opening, the push rod and the telescopic piece are arranged in the outer shell, one end of the telescopic piece is connected with the outer shell, the other end of the telescopic piece is connected with the push rod, and the position of the telescopic piece relative to the push rod is configured as follows: the push rod can be pushed to extend out of the opening when the telescopic piece is expanded. The induction section of the induction mechanism can stretch along with temperature, when the water heater ignites and burns, the induction section stretches, the induction area is increased, the phenomenon that the induction needle in the prior art has fire nearby but cannot sense high temperature is greatly reduced, the induction success rate is improved, and the user experience is improved.

Description

Induction mechanism and combustor comprising same

Technical Field

The utility model relates to the technical field of gas water heaters, in particular to an induction mechanism and a combustor comprising the induction mechanism.

Background

In the prior art, ignition needles and induction needles are arranged in parallel in a fire row of the gas water heater, so that the ignition needles can ignite the fire row, and the induction needles sense current so as to transmit the sensed signal and inform whether the flame is ignited or not.

The known induction needle is formed by a body of rod, and its structure is single, mostly is fixed size, and is limited by the size of mounting hole, leads to in the in-service use, because the response distance is less, probably can exist and have the flame but the phenomenon that the induction needle was not responded to the fire, if the induction needle does not sense the flame, the air valve stops the air feed can be closed immediately to the water heater, influences user experience.

Disclosure of Invention

The utility model aims to overcome the defect that a sensing needle can not sense fire due to fixed sensing needle size in the prior art, and provides a sensing mechanism and a burner comprising the same.

The utility model solves the technical problems by the following technical scheme:

the utility model provides an induction system, induction system includes linkage segment and response section, the response section includes shell body, push rod and extensible member, the material of extensible member is memory metal, the linkage segment connect in the shell body, the one end of shell body has the opening, the push rod with the extensible member all set up in the shell body, the one end of extensible member connect in the shell body, the other end of extensible member connect in the push rod, the extensible member is relative the position of push rod is configured as: the push rod can be pushed to extend out of the opening when the telescopic piece expands.

In this scheme, the user boiled water, gas heater ignites the burning, produces the flame in the combustion chamber, and the ambient temperature who induction system is located rises for the extension of extension, extension elasticity increase, promote the push rod for outer shell body outwards removes, makes the push rod can follow outer shell body's opening part and stretches out, and response section overall dimension lengthens, and response area increases, and there is fire but the emergence of induction not high temperature phenomenon in the vicinity of the greatly reduced response needle among the prior art, improves the response success rate, promotes user experience. When the user does not have the water demand, the flame is extinguished, the temperature of the environment where the sensing mechanism is located is reduced, the elasticity of the telescopic piece is restored to the original state, the telescopic piece drives the push rod to reset, and the sensing section of the sensing mechanism is restored to the original size. The induction mechanism has relatively small overall dimension under the normal temperature environment, and is convenient to install and detach.

Preferably, the telescopic member is in the form of a spring.

In this scheme, the extensible member is the spring of memory metal material, and memory metal material spring is except that self material produces the produced thrust or the pulling force of deformation when temperature variation, still has the elasticity of spring form, can drive the push rod better and stretch out and retract the shell body.

Preferably, one end of the push rod connected with the telescopic piece is provided with a sliding block, the sliding block is in sliding fit with the inner side wall of the outer shell, and the push rod is connected with the telescopic piece through the sliding block.

In this scheme, through sliding fit between slider and the shell body, guarantee that the direction of motion of push rod is for doing rectilinear motion along the axial of shell body.

Preferably, the other end of the outer housing is closed, and the end of the telescopic member is connected to the closed end of the outer housing.

In this scheme, through the end connection of extensible member in the blind end department of shell body, make things convenient for the extensible member to keep away from the inside installation of end at the shell body of push rod fixed.

Preferably, the opening of the outer housing is in clearance fit with the outer peripheral surface of the push rod.

In this scheme, through making clearance fit between push rod and the opening, make things convenient for the motion of push rod, also avoid outside flame to get into the shell body inside from the opening simultaneously.

Preferably, the push rod extends along the axis of the outer housing.

In this scheme, can guarantee when the push rod stretches out along shell body axis, furthest's extension shell body's length.

Preferably, the push rod is coaxially arranged with the outer housing.

In this scheme, the induction structure still can install the mounted position department of induction needle among the prior art, through setting up push rod and shell body coaxial, can avoid the push rod that stretches out from the shell body deviating from the shell body in radial to make push rod and fire outlet deviation of discharging, lead to the push rod to respond to the problem of flame not.

Preferably, the end of the outer housing is connected to the end of the connection section.

In this scheme, the whole shape of induction mechanism still keeps the shape of induction needle among the prior art, need not to repack the cooperation structure of combustor and induction mechanism, can realize induction mechanism's dismouting.

Preferably, the connecting section and the sensing section are perpendicular to each other.

In this scheme, can keep the sensing mechanism the same with the shape of sensing needle among the prior art on the basis of increasing sensing area of sensing mechanism, the dismouting of the other structures of sensing mechanism for the water heater of being convenient for.

The utility model also provides a combustor, which comprises a combustion chamber and the sensing mechanism, wherein the combustion chamber is provided with a mounting hole for mounting the sensing mechanism, and the outer diameter of the outer shell is smaller than the aperture of the mounting hole.

In this scheme, the user boiled water, gas heater ignites the burning, produces the flame in the combustion chamber, and the ambient temperature who induction system is located rises for the extension of extension, extension elasticity increase, promote the push rod for outer shell body outwards removes, makes the push rod can follow outer shell body's opening part and stretches out, and response section overall dimension lengthens, and response area increases, and there is fire but the emergence of induction not high temperature phenomenon in the vicinity of the greatly reduced response needle among the prior art, improves the response success rate, promotes user experience. When the user does not have the water demand, the flame is extinguished, the temperature of the environment where the sensing mechanism is located is reduced, the elasticity of the telescopic piece is restored to the original state, the telescopic piece drives the push rod to reset, and the sensing section of the sensing mechanism is restored to the original size. The induction mechanism has relatively small overall dimension under the normal temperature environment, and is convenient to install and detach. Meanwhile, in the scheme, the outer diameter of the outer shell of the induction mechanism is smaller than the aperture of the mounting hole of the combustion chamber, so that the outer shell of the induction mechanism is conveniently mounted in the mounting hole.

The utility model has the positive progress effects that:

the induction section of induction mechanism can stretch out and draw back along with the temperature, when the water heater ignites and burns, the induction section extends, and the response area increases, and the emergence of the nearby fire of induction needle but the unable high temperature phenomenon of response among the greatly reduced prior art improves the response success rate, and simultaneously under the non-ignition combustion state of water heater, the induction section size shortens, the installation of being convenient for and dismantlement.

Drawings

Fig. 1 is a schematic structural view of a burner according to an embodiment of the present utility model.

Fig. 2 is a schematic view of the fire grate and the sensing mechanism in fig. 1.

Fig. 3 is a schematic structural diagram of an induction mechanism according to an embodiment of the present utility model, and the push rod is in a retracted state.

Fig. 4 is a schematic structural diagram of an induction mechanism according to an embodiment of the present utility model, and the push rod is in an extended state.

Fig. 5 (a) is an enlarged view of the sensing section of fig. 3.

Fig. 5 (b) is an enlarged view of the sensing section of fig. 4.

Reference numerals illustrate:

sensing mechanism 100

Induction section 110

Outer casing 111

Opening 1110

Push rod 112

Slider 1120

Telescoping member 113

Connection section 120

Base 130

Burner 200

Fire grate 210

Detailed Description

The utility model is further illustrated by means of examples which follow, without thereby restricting the scope of the utility model thereto.

The embodiment of the application provides a gas heater, installs the combustor in the gas heater, and the combustor is the combustor 200 that the fig. 1 shows, combines the fig. 1 and the fig. 2 to show, and combustor 200 includes combustion chamber and sensing mechanism 100, and sensing mechanism 100 is realized for the installation of combustion chamber through the mounting hole of seting up on the combustion chamber, and sensing mechanism 100 installs in being close to the inside fire row 210 department of combustion chamber for the flame temperature when the fire row 210 burns.

Referring to fig. 3-5, the sensing mechanism 100 includes a sensing section 110, a connecting section 120, and a base 130.

One end of the connecting section 120 is fixed on the base 130, and the other end is fixed on the sensing section 110. In the embodiment shown in fig. 3 and fig. 4, the connection section 120 and the sensing section 110 are perpendicular to each other, however, in other embodiments, the angle between the connection section 120 and the sensing section 110 may be other angles, which is not limited herein.

The connection between the connection section 120 and the induction section 110 may be located at various positions along the length direction of the induction section 110, for example, in the embodiment shown in fig. 3 and fig. 4, the connection between the connection section 120 and the induction section 110 is located at an end of the induction section 110 along the length direction, and in other embodiments, the connection between the connection section 120 and the induction section 110 may be located at any position along the length direction of the induction section 110, which is not limited herein.

Fig. 5 (a) and 5 (b) show the structure of the sensing section 110, and the sensing section 110 includes an outer case 111, a push rod 112, and a telescopic member 113.

Referring to fig. 3 to 5, the outer housing 111 has a hollow round bar structure, and the outer diameter of the outer housing 111 is smaller than the aperture of the mounting hole provided in the combustion chamber of the burner 200, so that the outer housing 111 is mounted into the mounting hole. The outer case 111 has an opening 1110 at one end and is closed at the other end, and the outer peripheral surface at the closed end of the outer case 111 is connected to the end surface of the connection section 120.

The push rod 112 and the telescopic member 113 are both arranged in the outer casing 111, one end of the telescopic member 113 is fixed at the closed end of the outer casing 111, the other end of the telescopic member 113 is fixed at the push rod 112, and the telescopic member 113 can stretch out and retract into the opening 1110 on the outer casing 111 by stretching and driving the push rod 112 to be far away from one end of the telescopic member 113. Fig. 5 (a) shows a schematic structural view of the push rod 112 retracted into the opening 1110, and fig. 5 (b) shows a schematic structural view of the push rod 112 extended out of the opening 1110.

In order to better push the push rod 112 to extend and retract into the outer housing 111 when the telescopic member 113 is telescopic, the telescopic direction of the telescopic member 113 and the length direction of the push rod 112 are both along the axial direction of the outer housing 111, and the telescopic member 113 and the push rod 112 are both coaxially arranged with the outer housing 111.

The material of the expansion piece 113 is a memory metal, and the memory metal can deform along with the temperature change so as to play a role of expansion, specifically, the memory metal can be nickel-titanium alloy or other materials capable of deforming along with the temperature in the prior art.

The form of the telescopic member 113 may be various, for example, a spring, a block, a wire, etc., and these structures can achieve the purpose of connecting the push rod 112 and the outer case 111 at both ends, and the present embodiment describes the form of the telescopic member 113 as a spring structure.

In order to facilitate connection and installation between the push rod 112 and the telescopic member 113 of the spring structure, a slider 1120 is fixed at the end of the push rod 112 close to the telescopic member 113, the slider 1120 is slidably matched on the inner side wall of the outer casing 111, and the push rod 112 is connected with the end of the telescopic member 113 of the spring structure through the slider 1120. The sliding block 1120 is in a flat cylindrical shape matched with the outer shell 111, the outer peripheral surface of the sliding block 1120 is in clearance fit with the inner side wall of the outer shell 111, and the sliding fit between the sliding block 1120 and the outer shell 111 can ensure that the movement form of the push rod 112 always makes linear movement along the axial direction of the outer shell 111.

Of course, the connection between the expansion element 113 and the push rod 112 may be disposed at other positions of the push rod 112 except for the end, for example, the expansion element 113 with a spring structure is sleeved outside the push rod 112, the end of the expansion element 113 far away from the closed end of the outer casing 111 is fixed on the outer circumferential surface of the push rod 112, and the pushing and pulling of the push rod 112 during expansion and contraction of the expansion element 113 are not affected. Of course, the end of the spring is directly connected with the end of the push rod 112, so that the push rod 112 can be driven to extend for the maximum length when the telescopic member 113 stretches.

To facilitate movement of pushrod 112 while also preventing external flames from entering the interior of outer housing 111 through opening 1110, opening 1110 of outer housing 111 is also in clearance fit with the outer peripheral surface of pushrod 112.

The principle of the sensing mechanism 100 in this embodiment is as follows:

the user boiled water, the water heater ignites and burns, the fire row 210 of combustor 200 produces the flame, the ambient temperature who induction mechanism 100 is located rises, telescopic member 113 produces the inflation along with the temperature rise, thereby make telescopic member 113 extension, telescopic member 113 elasticity increase, promote push rod 112 outwards remove for shell body 111, make push rod 112 can follow shell body 111's opening 1110 department and stretch out, induction section 110 overall dimension extension, the increase of induction area, the fire is near the induction needle among the greatly reduced prior art but the emergence of induction not high temperature phenomenon improves the response success rate, promote user experience.

When the user does not need water, the flame is extinguished, the temperature of the environment where the sensing mechanism 100 is located is reduced, the elastic force of the telescopic piece 113 is restored to the original state, the telescopic piece 113 drives the push rod 112 to reset, and the sensing section 110 of the sensing mechanism 100 is restored to the original size. The induction section 110 has a relatively small external dimension in a normal temperature environment, and is convenient to install and detach.

In the examples of the present application, the term "plurality" means two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the terms in the examples of application will be understood by those of ordinary skill in the art as the case may be.

In the description of the embodiments of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, only for convenience in describing the embodiments of the application and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the application.

In the description of the present specification, the term "one embodiment" or "an embodiment" means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application embodiment. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the application embodiments, and various modifications and variations may be made to the application embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the application should be included in the protection scope of the embodiments of the application.

Claims

1. The utility model provides an induction system, induction system includes linkage segment and response section, a serial communication port, the response section includes shell body, push rod and extensible member, the material of extensible member is memory metal, the linkage segment connect in the shell body, the one end of shell body has the opening, the push rod with the extensible member all set up in the shell body, the one end of extensible member connect in the shell body, the other end of extensible member connect in the push rod, the extensible member is relative the position of push rod is configured as: the push rod can be pushed to extend out of the opening when the telescopic piece expands.

2. The sensing mechanism of claim 1, wherein the telescoping member is in the form of a spring.

3. The sensing mechanism of claim 2, wherein a slider is provided at an end of the push rod connected to the telescoping member, the slider being slidably fitted over the inner side wall of the outer housing, the push rod being connected to the telescoping member via the slider.

4. The induction mechanism of claim 1, wherein the other end of said outer housing is closed and the end of said telescoping member is connected at the closed end of said outer housing.

5. The inductive mechanism of claim 1, wherein said opening of said outer housing is in clearance fit with an outer peripheral surface of said pushrod.

6. The induction mechanism of claim 1, wherein said pushrod extends along an axis of said outer housing.

7. The inductive mechanism of claim 6, wherein said push rod is coaxially disposed with said outer housing.

8. The inductive mechanism of claim 1, wherein an end of the outer housing is connected to an end of the connecting section.

9. The sensing mechanism of claim 8, wherein the connecting section is perpendicular to the sensing section.

10. A burner comprising a combustion chamber and an induction mechanism according to any one of claims 1 to 9, the combustion chamber being provided with mounting holes for mounting the induction mechanism, the outer diameter of the outer housing being smaller than the aperture of the mounting holes.