CN215001579U - Gas equipment - Google Patents

Abstract

The utility model provides a gas equipment, gas equipment includes: a housing, the housing comprising; and the flow channel is arranged in the shell, and the inlet of the flow channel and the outlet of the flow channel are different in orientation. The overall arrangement of gas equipment can be optimized to the runner of turn, and is compared in the horizontal structure of penetrating of conventionality, and this application is extended towards the direction beyond the width direction through setting up the runner, can reduce shared space on the width direction of gas equipment to the total width that makes the product that is provided with this gas equipment can reduce. Correspondingly, compared with a conventional vertical type injection structure, the vertical type injection structure has the advantages that the total height of the gas equipment can be reduced by arranging one part of flow channels in the width direction and the other part of flow channels in the height direction, so that the total height of a product provided with the gas equipment is reduced. And then realize optimizing gas equipment structure, promote gas equipment structure overall arrangement convenience and flexibility, widen gas equipment application scope's technological effect.

Description

Gas equipment

Technical Field

The utility model relates to a combustor technical field particularly, relates to a gas equipment.

Background

Infrared combustion uses infrared radiation for heating, and has great advantages in industrial and household burners due to its low emissions and high efficiency.

At present, most of infrared combustion cookers are in a horizontal injection mode or a vertical injection mode, the horizontal injection mode needs a large enough cavity to uniformly mix air and fuel gas, and the cavity is too large and heavy, so that the application of a horizontal injection structure on a large oven cooking bench is limited. The vertical injection pipe is of a vertical structure, so that a large space is needed in the vertical direction, the gas cooker is thick, the appearance is limited, and the application of the vertical injection structure on a cooking bench of a large oven is also limited. And the phenomenon of tempering under the conditions of large heat load and high temperature is easy to occur.

Therefore, how to design a gas device with small space occupation and low limit on the structure of the cooking bench becomes a technical problem to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the utility model discloses a gas equipment is proposed.

In view of this, the utility model provides a gas equipment, gas equipment includes: a housing, the housing comprising; and the flow channel is arranged in the shell, and the inlet of the flow channel and the outlet of the flow channel are different in orientation.

The utility model provides an among the gas equipment, be provided with the casing on the gas equipment, the casing is gas equipment's frame construction for other structures on the protection and the bearing gas equipment. Specifically, a flow passage is arranged in the shell and used for flowing air and fuel gas so as to guide the air and the fuel gas to a preset position and then ignite. The shell is also provided with an inlet and an outlet, the inlet and the outlet are respectively communicated with two ends of the flow passage, and the opening directions of the inlet and the outlet are different.

The opening direction of the flow channel inlet and the opening direction of the flow channel outlet are arranged in two directions, so that the flow channel in the shell bends and extends in the shell, high-speed gas injected into the flow channel inlet and air injected into the flow channel inlet are mixed in the flow channel and then flow to the position of the flow channel outlet along with the bent flow channel, and a target object is heated through high-temperature infrared radiation generated by ignition.

The overall arrangement of gas equipment can be optimized to the runner of turn, and is compared in the horizontal structure of penetrating of conventionality, and this application is extended towards the direction beyond the width direction through setting up the runner, can reduce shared space on the width direction of gas equipment to the total width that makes the product that is provided with this gas equipment can reduce. Correspondingly, compared with a conventional vertical type injection structure, the vertical type injection structure has the advantages that the total height of the gas equipment can be reduced by arranging one part of flow channels in the width direction and the other part of flow channels in the height direction, so that the total height of a product provided with the gas equipment is reduced. And then realize optimizing gas equipment structure, promote gas equipment structure overall arrangement convenience and flexibility, widen gas equipment application scope's technological effect.

Additionally, the utility model provides an above-mentioned gas equipment can also have following additional technical characterstic:

in the above technical solution, the flow path includes: a first flow path section connected to the inlet for introducing and mixing air and gas; a second flow path section connected to the outlet for diffusing and discharging a mixture of air and gas; wherein, the second runner section is a bent runner section.

In the technical scheme, the structure of the flow channel is limited. Specifically, the flow passage comprises a first flow passage section and a second flow passage section which are communicated with each other. The first flow channel section is connected with the inlet of the flow channel and is the front section of the flow channel. The second flow passage section is connected with the outlet of the flow passage and is the tail section of the flow passage. In the working process, high-speed fuel gas is sprayed to the inlet of the flow channel, the flowing high-speed fuel gas reduces the gas pressure of the flowing area, and therefore surrounding air is forced to be pressed into the first flow channel section through the inlet, and the injection process is completed. The air and gas flowing into the first flow path section mix in the first flow path section to form a combustible mixture. When the mixture flows to the second flow passage section, the mixture is diffused, the density is gradually reduced, and after the density is reduced to a reasonable density range for combustion, the mixture is connected from the outlet of the flow passage. Wherein, the bending part on the runner is injectd in the second runner section, through setting up the bending part in the second runner section, can avoid the bending part to influence the mixing effect of gas and air on the one hand, and on the other hand can assist and strengthen the mixture deceleration diffusion effect of second runner section, makes the mixture after the diffusion discharge from the export with relative and the speed that draws the penetrating speed is lower to supply the burning. And then realize optimizing the runner structure, promote the runner and draw and penetrate reliability and stability, provide the technological effect of the condition of facilitating for the gas equipment structural layout.

In any of the above solutions, at least a part of the second flow path section extends in the height direction of the gas fired device.

In this solution, the extension direction of the second flow path segment is defined. Specifically, at least a part of the bent second flow channel section extends in the height direction of the gas appliance, for example, the first flow channel section and a part of the second flow channel section are arranged in the width direction of the gas appliance, and another part of the bent second flow channel section is arranged in the height direction of the gas appliance. Thereby reduce the space demand of gas equipment on the single side, compare in the conventional horizontal type and draw and penetrate with vertical drawing and penetrate, the volume of gas equipment in order to be provided with the product of this gas equipment can be reduced to this structure, and then realizes optimizing gas equipment structural configuration, reduces the gas equipment overall configuration degree of difficulty, promotes the technological effect of the compact structure degree of the product of using gas equipment.

In any of the above aspects, the first flow path segment comprises: a first section connected to the inlet; a second segment connecting the first segment and the second flow channel segment; wherein, in the direction from the inlet to the outlet, the flow area of the first section part is gradually reduced, and the flow area of the second section part is constant.

In this technical solution, the structure of the first flow path segment is defined. Specifically, the first flow channel section comprises a first section part and a second section part which are communicated, the first section part is connected with the inlet and is a front section of the first flow channel section, and the flow area of the first flow channel section is gradually reduced in the direction from the inlet to the outlet. One end of the second section part is connected with the first section part, the other section of the second section part is connected with the second flow channel section, the second section part is the tail section of the first flow channel section, and the flow area of the second section part is constant in the direction from the inlet to the outlet. The first section is a contraction section, and the flow area of the first section is gradually reduced, so that the first section can compress the inflowing gas and air, and the air is smoothly pressed into the second section by means of high-speed flowing negative pressure. The second section is a mixing section in which the gas and the air being forced in are mixed, the gas transferring part of the kinetic energy into the air, so that the gas and the air being accelerated are mixed to a mixture, wherein the mixing of the air and the gas is facilitated by the constant flow area which defines the second section, so that a good quality combustible mixture is obtained. And then realize optimizing first flow path section structure, promote and draw the effect and mix the effect, promote the gas equipment operational reliability and the stable technological effect.

The first section can be a plurality of sections, and the plurality of first sections are communicated with the single second section. When being provided with a plurality of first section portions, the entry correspondence of runner is a plurality of, and every first section portion all can realize drawing of air and penetrate to strengthen the injection efficiency of air and gas, and then promote gas fired equipment's heating efficiency.

In any of the above technical solutions, the flow area of the second flow passage section increases gradually in the direction from the inlet to the outlet.

In this technical solution, the structure of the second flow path section is defined. Specifically, the flow area of the second flow passage section increases stepwise in the direction from the inlet to the outlet. The flow area of the second flow passage section is limited to be gradually increased, so that the second flow passage section can play a role of diffusion for the mixture flowing into the second flow passage section, and therefore on one hand, the mixture of gas and air can be uniformly filled in the second flow passage section, and on the other hand, the density of the mixture can be reduced, and meanwhile, the flow speed of the mixture can be reduced, so that the mixture can flow out at a lower speed. And then realize optimizing second runner section structure, promote the technical effect of gas equipment operational reliability and stability.

In any of the above solutions, the second flow path section includes: a third section connected to the outlet; a fourth segment connecting the third segment and the first flow path segment; wherein the rate of change of the flow area of the third section is greater than the rate of change of the flow area of the fourth section.

In this technical solution, the structure of the second flow path section is defined. Specifically, the second flow passage section includes a third section and a fourth section that communicate. One end of the fourth section part is connected with the first flow channel section, the other end of the fourth section part is connected with the fourth section part, the third section part is connected with the outlet, and the mixture of the air and the fuel gas is discharged to a specified position through the fourth section part and the third section part to be combusted. On the basis that the whole flow area of the second flow channel section is gradually increased, the change rate of the flow area of the third section part is larger than that of the fourth section part, so that an enlarged bell mouth is formed at the tail end of the second flow channel section, when the mixture flows into the fourth section part, the high-density mixture is gradually diffused until the mixture flows into the third section part, the mixture is quickly diffused and fills the whole third section part, so that the uniform mixture is discharged from an outlet, the mixture can be stably combusted after being ignited, and the problems of flame turbulence, tempering and the like caused by uneven discharge of the mixture are avoided. And then realize optimizing second runner section structure, promote gas equipment's security and reliability, ensure user's personal safety's technological effect.

In any of the above embodiments, the fourth segment extends in a height direction of the gas combustion facility, and the first flow path segment extends in a width direction perpendicular to the height direction.

In this solution, a flow channel layout is defined. Specifically, the first flow channel section extends in the width direction of the gas equipment, and the fourth section extends in the height direction of the gas equipment, so as to form a bent flow channel extending in the horizontal direction and the vertical direction, and the bent flow channel section is the third section.

The overall arrangement of gas equipment can be optimized to the runner of buckling, draws the structure in the conventional horizontal type of drawing relatively, and this application extends in the direction of height through setting up fourth section portion and partial third section portion, can reduce the shared space of gas equipment on the width direction to the total width that makes the product that is provided with this gas equipment can reduce. Correspondingly, compared with a conventional vertical type injection structure, the gas equipment has the advantages that the total height of the gas equipment can be reduced by arranging the first flow channel section and part of the third section part in the width direction, so that the total height of a product provided with the gas equipment is reduced. And then realize optimizing gas equipment structure, promote gas equipment structure overall arrangement convenience and flexibility, widen gas equipment application scope's technological effect.

Wherein, through setting up the bending part in third section portion, can avoid the runner of buckling to influence the mixing effect of gas and air on the one hand, on the other hand can assist and strengthen the mixture deceleration diffusion effect of second runner section, makes the mixture after the diffusion discharge from the export with the speed that jet velocity is lower relatively to supply the burning. And then realize optimizing the runner structure, promote the runner and draw and penetrate reliability and stability, provide the technological effect of the condition of facilitating for the gas equipment structural layout.

In any of the above technical solutions, the third section is a bent flow channel section; the bending angle range of the third section part is as follows: 80 to 100.

In the technical scheme, the third section part is a bent flow channel section so as to change the flow direction of the flow channel through the third section part. Specifically, the bending angle of the third section is greater than or equal to 80 ° and less than or equal to 100 °, so that one part of the flow channel is arranged in the width direction of the gas appliance, and the other part of the flow channel is arranged in the height direction of the gas appliance, so as to improve the flexibility of the flow channel arrangement. Specifically, the bending angle of the third section part can be selected to be 90 degrees, so that horizontal injection and vertical discharge of mixed gas are met. In any one of the above technical solutions, the gas appliance further includes: a plate connected with the outlet; and a through hole provided on the plate for discharging the mixture.

In the technical scheme, the gas equipment is also provided with a plate. Specifically, the plate is connected with the export of runner, covers on the export, and is provided with the through-hole on the plate, and the through-hole is a plurality of, and a plurality of through-holes evenly distributed on the plate. During operation, the air and the fuel gas which are mixed in the flow channel are discharged through the through holes on the plate. After the mixture flowing to the outside of the flow passage through the through holes is ignited, evenly distributed flames are formed at the evenly distributed through holes on the plate, thereby achieving even heating of the object to be heated. Meanwhile, the combustion of the mixture may continuously heat the panel, and emit infrared rays when the temperature of the panel is heated beyond a predetermined temperature value, to achieve infrared heating of the object to be heated. Compared with the technical scheme of heating the object to be heated through open fire, the heating device has more excellent heating efficiency and controllability, is higher in safety, can realize the optimized heating capacity of the gas equipment, improves the working safety and reliability of the gas equipment, and improves the technical effect of user experience.

Specifically, the plate member may be a ceramic plate of cordierite substrate, or may be a porous medium material of other forms or materials, such as a metal foil tape wound form, a metal fiber material, etc.

In any one of the above technical solutions, the gas appliance further includes: the boss is arranged on the shell and positioned on the flow channel, and the plate abuts against the boss.

In the technical scheme, the boss is arranged on the shell and is arranged on the flow channel, the boss is close to the outlet of the flow channel, and when the plate is assembled, the plate is embedded into the outlet of the flow channel until the plate abuts against the table top of the boss to complete the assembly of the boss. Can play limiting displacement to the plate through setting up the boss, can be with the plate accurate positioning on operating position on the one hand, avoid the plate to take place the incline in long-time working process, on the other hand can reduce the assembly degree of difficulty of plate, improves the assembly precision of plate, ensures that the plate can accurately install on the predetermined mounted position of casing. And then realize optimizing gas equipment structure, promote gas equipment structural stability, promote gas equipment operational safety nature, reduce the technical effect of the gas equipment assembly degree of difficulty.

In any of the above technical solutions, the gas equipment further includes; the locating piece is connected with the shell and is in contact with the plate, and the plate is located between the locating piece and the boss.

In the technical scheme, the gas equipment is also provided with a positioning piece. The locating piece is connected with the casing that is close to the exit region, and the face that accomplishes the back locating piece of connecting and plate contacts, makes the plate be located between locating piece and the boss to sticis the plate on the boss through the locating piece, in order to accomplish the location installation of plate on the casing. Wherein, the setting element can be dismantled with the plate and link to each other, and when the plate broke down, user's accessible was dismantled the setting element and is realized the maintenance and the change to the plate to reduce gas equipment's the maintenance degree of difficulty, bring the convenient condition for the user.

Specifically, the positioning member is an annular structure matched with the shape of the outlet, an inner ring of the positioning member covers the plate, and an outer ring of the positioning member is bent towards the side wall of the shell of the outlet area and connected with the side wall of the shell, so that the plate is pressed on the boss through the inner ring of the positioning member. The setting element of this structure can compress tightly the plate at each angle, avoids plate and boss gap to appear, prevents simultaneously that the plate from appearing the incline in long-term working process, and then realizes optimizing plate location structure, promotes the technical effect of gas equipment working safety nature and reliability.

In any one of the above technical solutions, the gas appliance further includes: an ignition device disposed opposite the outlet for igniting the mixture.

In this technical scheme, still be provided with ignition on the gas equipment, ignition end and the export of ignition set up relatively, after the heating function of opening gas equipment, ignition ignites the mixture of gas and the air via export exhaust to through the plate in the burning heating export, after the temperature of plate was heated to appointed temperature, the high temperature plate sent infrared ray to all around, thereby treats the object of heating with the help of the infrared heating who sends, realizes gas equipment's infrared heating.

In particular, the ignition device is an electric sparker, which emits an electric arc when it is necessary to ignite the mixture, so as to ignite the mixture by means of the electric arc.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural view of a gas-fired device according to an embodiment of the invention;

fig. 2 shows a partial enlargement of the gas-fired device as shown in fig. 1 at a.

100 gas equipment, 110 casing, 112 boss, 120 runner, 122 first runner section, 1222 first section, 1224 second section, 124 second runner section, 1242 third section, 1244 fourth section, 130 plate, 132 through hole, 140 positioning piece.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A gas-fired device 100 according to some embodiments of the present invention is described below with reference to fig. 1 and 2.

Example one

As shown in fig. 1, an embodiment of the first aspect of the present invention provides a gas appliance 100, where the gas appliance 100 includes: a housing 110, the housing 110 including; and a flow channel 120 disposed in the housing 110, wherein an inlet of the flow channel 120 and an outlet of the flow channel 120 are oriented in different directions.

The utility model provides an among the gas equipment 100, be provided with casing 110 on the gas equipment 100, casing 110 is gas equipment 100's frame construction for other structures on protection and the bearing gas equipment 100. Specifically, a flow passage 120 is provided in the housing 110, and the flow passage 120 is used for flowing air and gas to guide the air and gas to a predetermined position and then to be ignited. The housing 110 is further provided with an inlet and an outlet, the inlet and the outlet are respectively communicated with two ends of the flow passage 120, and the openings of the inlet and the outlet are oriented differently.

The opening direction of the inlet of the flow channel 120 and the opening direction of the outlet of the flow channel 120 are set in two directions, so that the flow channel 120 in the housing 110 is bent and extended in the housing 110, and the high-speed gas injected into the inlet of the flow channel 120 and the air injected into the inlet of the flow channel 120 are mixed in the flow channel 120 and then flow to the outlet of the flow channel 120 along with the bent flow channel 120, so as to heat the target object by the high-temperature infrared radiation generated by ignition.

The overall arrangement of gas equipment 100 can be optimized to the runner 120 of turn, and compared in the structure is drawn to conventional horizontal type, this application extends through setting up runner 120 towards the direction beyond the width direction, can reduce the shared space of gas equipment 100 on the width direction to the total width that makes the product that is provided with this gas equipment 100 can reduce. Correspondingly, compared with the conventional vertical type injection structure, the vertical type gas injection structure has the advantages that the total height of the gas equipment 100 can be reduced by arranging one part of the flow passage 120 in the width direction and the other part of the flow passage 120 in the height direction, so that the total height of a product provided with the gas equipment 100 is reduced. Further, the structure of the gas equipment 100 is optimized, the convenience and flexibility of the structural layout of the gas equipment 100 are improved, and the application range of the gas equipment 100 is widened.

Example two

As shown in fig. 1, in the second embodiment of the present invention, the flow passage 120 includes: a first flow path section 122 connected to the inlet for introducing and mixing air and gas; a second flow path section 124 connected to the outlet for diffusing and discharging the mixture of air and gas; the second flow path section 124 is a bent flow path section.

In this embodiment, the structure of the flow passage 120 is defined. Specifically, the flow passage 120 includes a first flow passage section 122 and a second flow passage section 124 that are in communication. The first flow channel section 122 is connected to the inlet of the flow channel 120 and is a front section of the flow channel 120. The second flow path segment 124 is connected to the outlet of the flow path 120 and is the end segment of the flow path 120. During operation, high-speed gas is injected into the inlet of the flow channel 120, and the gas pressure in the flowing area of the high-speed gas is reduced by the flowing high-speed gas, so that the surrounding air is forced to be pressed into the first flow channel section 122 through the inlet to complete the injection process. The air and fuel gas flowing into the first flow path segment 122 mix in the first flow path segment 122 to form a combustible mixture. As the mixture flows to the second flow path segment 124, the mixture is diffused, gradually reduced in density, and after the density is reduced to a reasonable density range for combustion, the mixture is connected from the outlet of the flow path 120. Wherein, the bending part on runner 120 is injectd in second runner section 124, through setting up the bending part at second runner section 124, can avoid bending runner 120 to influence the mixed effect of gas and air on the one hand, and on the other hand can assist and strengthen the mixture deceleration diffusion effect of second runner section 124, makes the mixture after the diffusion discharge from the export with the speed that draws the jet velocity lower relatively for the burning. And then realize optimizing runner 120 structure, promote runner 120 and draw and penetrate reliability and stability, provide the technological effect of the condition of facilitating for gas equipment 100 structural configuration.

EXAMPLE III

As shown in fig. 1, in the third embodiment of the present invention, at least a part of the second flow path section 124 extends in the height direction of the gas appliance 100.

In this embodiment, the extending direction of the second flow path segment 124 is defined. Specifically, at least a part of the bent second flow channel section 124 extends in the height direction of the gas appliance 100, for example, the first flow channel section 122 and a part of the second flow channel section 124 are arranged in the width direction of the gas appliance 100, and another part of the bent second flow channel section 124 is arranged in the height direction of the gas appliance 100. Thereby reduce the space demand of gas equipment 100 on the single side, compare in the conventional horizontal type and draw and penetrate with vertical, the volume of gas equipment 100 in order to be provided with the product of this gas equipment 100 can be reduced to this structure, and then realize optimizing gas equipment 100 structural configuration, reduce the gas equipment 100 overall configuration degree of difficulty, promote the technological effect of the compact structure degree of the product of using gas equipment 100.

Example four

As shown in fig. 1, in the fourth embodiment of the present invention, the first flow path section 122 includes: a first section 1222 connected to the inlet; a second section 1224 connecting the first section 1222 and the second flow path section 124; wherein the flow area of the first section 1222 is gradually reduced and the flow area of the second section 1224 is constant in the direction from the inlet to the outlet.

In this embodiment, the structure of the first flow path segment 122 is defined. Specifically, the first flow channel section 122 includes a first section 1222 and a second section 1224 that communicate with each other, the first section 1222 is connected to the inlet, is a front section of the first flow channel section 122, and the flow area of the first flow channel section 122 is gradually reduced in a direction from the inlet to the outlet. One end of the second section 1224 is connected to the first section 1222, and the other section of the second section 1224 is connected to the second flow path section 124, which is the end section of the first flow path section 122, and the flow area of the second section 1224 is constant in the direction from the inlet to the outlet. The first section 1222 is a constricted section, and the flow area of the first section 1222 is gradually reduced, so that the first section 1222 can compress the gas and air flowing in, and the air is smoothly pressed into the second section 1224 by the negative pressure flowing at a high speed. The second section 1224 is a mixing section where the gas and the forced air are mixed in the second section 1224 and the gas transfers part of the kinetic energy to the air so that the slowed gas and the accelerated air are mixed into a mixture, wherein the mixing of the air and the gas is facilitated by defining the flow area of the second section 1224 to be constant to obtain a good quality combustible mixture. And then realize optimizing first flow path section 122 structure, promote and draw the effect and mix the effect, promote the technical effect of gas equipment 100 operational reliability and stability.

EXAMPLE five

In the fifth embodiment of the present invention, the first section 1222 may be plural, and the plural first sections 1222 are communicated with the single second section 1224. When being provided with a plurality of first sections 1222, the entry of runner 120 corresponds for a plurality ofly, and every first section 1222 all can realize the drawing of air to strengthen the injection efficiency of air and gas, and then promote the heating efficiency of gas equipment 100.

EXAMPLE six

In a sixth embodiment of the present invention, as shown in fig. 1, the flow area of the second flow path segment 124 increases gradually in the direction from the inlet to the outlet.

In this embodiment, the structure of the second flow path segment 124 is defined. Specifically, the flow area of the second flow passage section 124 increases gradually in the direction from the inlet to the outlet. By defining the flow area of the second flow channel section 124 to be gradually increased, the second flow channel section 124 can diffuse the mixture flowing into the second flow channel section 124, so that on one hand, the mixture of the gas and the air can uniformly fill the second flow channel section 124, and on the other hand, the density of the mixture can be reduced while the flow velocity of the mixture can be reduced, so as to ensure that the mixture can flow out at a lower velocity. And further, the structure of the second flow channel section 124 is optimized, and the technical effects of improving the working reliability and stability of the gas equipment 100 are achieved.

EXAMPLE seven

As shown in fig. 1, in the seventh embodiment of the present invention, the second flow path section 124 includes: a third section 1242 connected to the outlet; a fourth segment 1244 connecting the third segment 1242 and the first flow path segment 122; the rate of change of the flow area of the third segment 1242 is greater than the rate of change of the flow area of the fourth segment 1244.

In this embodiment, the structure of the second flow path segment 124 is defined. Specifically, the second flow passage section 124 includes a third section 1242 and a fourth section 1244 in communication. One end of the fourth section 1244 is connected to the first flow path section 122, the other end is connected to the fourth section 1244, the third section 1242 is connected to an outlet, and the mixture of air and gas is discharged to a designated position through the fourth section 1244 and the third section 1242 to be combusted. On the basis that the whole flow area of the second flow passage section 124 is gradually increased, the change rate of the flow area of the third section 1242 is larger than that of the flow area of the fourth section 1244, so that an enlarged bell mouth is formed at the tail end of the second flow passage section 124, when the mixture flows into the fourth section 1244, the high-density mixture is gradually diffused until the mixture flows into the third section 1242, the mixture is rapidly diffused and fills the whole third section 1242, so that the uniform mixture is discharged from an outlet, the mixture can be stably combusted after being ignited, and the problems of flame turbulence, tempering and the like caused by uneven discharge of the mixture are avoided. And then realize optimizing second runner section 124 structure, promote the security and the reliability of gas equipment 100, ensure the technical effect of user's personal safety.

Example eight

As shown in fig. 1, in the eighth embodiment of the present invention, the fourth segment 1244 extends in the height direction of the gas appliance 100, and the first flow channel segment 122 extends in the width direction perpendicular to the height direction.

In this embodiment, a layout of the flow channels 120 is defined. Specifically, the first flow passage section 122 extends in the width direction of the gas appliance 100, while the fourth section 1244 extends in the height direction of the gas appliance 100, so as to form the bent flow passage 120 extending in the horizontal direction and the vertical direction, respectively, which is the third section 1242.

The overall arrangement of gas equipment 100 can be optimized to the runner 120 of buckling, and compared in the structure is drawn to conventional horizontal type, this application extends in the direction of height through setting up fourth section 1244 and part third section 1242, can reduce gas equipment 100 shared space in the width direction to the total width that makes the product that is provided with this gas equipment 100 can reduce. Accordingly, compared to the conventional vertical injection structure, the present application can reduce the total height of the gas appliance 100 by arranging the first flow path segment 122 and a part of the third segment 1242 in the width direction, thereby reducing the total height of the product provided with the gas appliance 100. Further, the structure of the gas equipment 100 is optimized, the convenience and flexibility of the structural layout of the gas equipment 100 are improved, and the application range of the gas equipment 100 is widened.

Wherein, through setting up the bending part on third section 1242, can avoid bending runner 120 to influence the mixed effect of gas and air on the one hand, on the other hand can assist and strengthen the mixture deceleration diffusion effect of second runner section 124, makes the mixture after the diffusion discharge from the export with drawing the lower speed of penetrating speed relatively to supply the burning. And then realize optimizing runner 120 structure, promote runner 120 and draw and penetrate reliability and stability, provide the technological effect of the condition of facilitating for gas equipment 100 structural configuration.

Example nine

As shown in fig. 1, in the ninth aspect of the present invention, the third section 1242 is a bent flow passage section; the range of the bending angle of the third segment 1242 is: 80 to 100.

In this embodiment, the third segment 1242 is a bent flow channel segment, so that the flow direction of the flow channel 120 is changed by the third segment 1242. Specifically, the bending angle of the third segment 1242 is greater than or equal to 80 ° and less than or equal to 100 °, so that one part of the runners 120 is arranged in the width direction of the gas appliance 100, and the other part of the runners 120 is arranged in the height direction of the gas appliance 100, thereby improving the flexibility of the arrangement of the runners 120. Specifically, the bending angle of the third segment 1242 can be selected to be 90 °, so as to satisfy horizontal injection and vertical discharge of the mixed gas.

Example ten

As shown in fig. 1 and fig. 2, in the tenth embodiment of the present invention, the gas equipment 100 further includes: a plate 130 connected with the outlet; and a through-hole 132 provided on the plate member 130 for discharging the mixture.

In this embodiment, a plate 130 is also provided on the gas appliance 100. Specifically, the plate 130 is connected to the outlet of the flow channel 120 and covers the outlet, and a plurality of through holes 132 are formed in the plate 130, and the plurality of through holes 132 are uniformly distributed on the plate 130. During operation, the air and gas that have mixed in the flow passage 120 are discharged through the through-holes 132 of the plate member 130. When the mixture flowing to the outside of the runner 120 through the through-holes 132 is ignited, evenly distributed flames are formed at the evenly distributed through-holes 132 on the plate member 130, thereby achieving even heating of the object to be heated. Meanwhile, the burning of the mixture may continuously heat the plate 130, and emit infrared rays when the temperature of the plate 130 is heated beyond a predetermined temperature value, to achieve infrared heating of the object to be heated. Compared with the embodiment of heating the object to be heated by open fire, the heating device has more excellent heating efficiency and controllability, has higher safety, can realize the optimized heating capacity of the gas equipment 100, improves the working safety and reliability of the gas equipment 100, and improves the technical effect of user experience.

Specifically, the plate member 130 may be a ceramic plate of cordierite substrate, or may be a porous medium material of other types or materials, such as a metal foil tape wound type, a metal fiber material, etc.

EXAMPLE eleven

As shown in fig. 1 and fig. 2, in an embodiment of the eleventh aspect of the present invention, the gas appliance 100 further includes: and a boss 112 disposed on the housing 110 and located on the flow channel 120, wherein the plate 130 abuts against the boss 112.

In this embodiment, the housing 110 is provided with a boss 112, the boss 112 is disposed on the flow channel 120, and the boss 112 is close to the outlet of the flow channel 120, when the plate 130 is assembled, the plate 130 is inserted into the outlet of the flow channel 120 until the plate 130 abuts against the top of the boss 112, thereby completing the assembly of the boss 112. Through setting up boss 112 can play limiting displacement to plate 130, can accurately fix a position plate 130 on the one hand on operating position, avoid plate 130 to take place the skew in long-time working process, on the other hand can reduce the assembly degree of difficulty of plate 130, improves the assembly precision of plate 130, ensures that plate 130 can accurately install on the predetermined mounted position of casing 110. Further, the structure of the gas equipment 100 is optimized, the structural stability of the gas equipment 100 is improved, the working safety of the gas equipment 100 is improved, and the technical effect of reducing the assembling difficulty of the gas equipment 100 is achieved.

Example twelve

As shown in fig. 1 and 2, in the twelfth embodiment of the present invention, the gas equipment 100 further includes; the positioning member 140 is connected to the housing 110 and contacts the plate 130, and the plate 130 is located between the positioning member 140 and the boss 112.

In this embodiment, a positioning member 140 is further disposed on the gas appliance 100. The positioning member 140 is connected to the housing 110 near the outlet area, and after the connection is completed, the positioning member 140 contacts the plate surface of the plate 130, so that the plate 130 is located between the positioning member 140 and the boss 112, and thus the plate 130 is pressed against the boss 112 by the positioning member 140, so as to complete the positioning and installation of the plate 130 on the housing 110. Wherein, setting element 140 and plate 130 can dismantle and link to each other, and when plate 130 broke down, user's accessible was dismantled setting element 140 and is realized maintaining and changing to plate 130 to reduce the maintenance degree of difficulty of gas equipment 100, bring the convenient condition for the user.

EXAMPLE thirteen

As shown in fig. 1 and 2, in the thirteenth embodiment of the present invention, the positioning member 140 is a ring-shaped structure adapted to the shape of the outlet, the inner ring of the positioning member 140 covers the plate 130, and the outer ring of the positioning member 140 is bent toward the side wall of the housing 110 of the outlet area and connected to the side wall of the housing 110, so that the plate 130 is pressed against the boss 112 by the inner ring of the positioning member 140. The positioning piece 140 with the structure can compress the plate 130 at each angle, so that gaps between the plate 130 and the boss 112 are avoided, and meanwhile, the plate 130 is prevented from deflecting in the long-term working process, so that the positioning structure of the plate 130 is optimized, and the technical effects of improving the working safety and reliability of the gas equipment 100 are achieved.

Example fourteen

As shown in fig. 1 and fig. 2, in an embodiment of the fourteenth aspect of the present invention, the gas equipment 100 further includes: an ignition device disposed opposite the outlet for igniting the mixture.

In this embodiment, the gas appliance 100 is further provided with an ignition device, an ignition end of the ignition device is arranged opposite to the outlet, and after the heating function of the gas appliance 100 is started, the ignition device ignites a mixture of gas and air discharged through the outlet, so that the plate 130 on the outlet is heated by combustion, and after the temperature of the plate 130 is heated to a specified temperature, the high-temperature plate 130 emits infrared rays to the periphery, so that the object to be heated is heated by means of the emitted infrared rays, and the infrared ray heating of the gas appliance 100 is realized.

In particular, the ignition device is an electric sparker, which emits an electric arc when it is necessary to ignite the mixture, so as to ignite the mixture by means of the electric arc.

Example fifteen

As shown in fig. 1 and 2, in a specific embodiment of the present invention:

1. the injection infrared gas equipment 100 is composed of a positioning piece 140, a porous plate piece 130 and an injection pipe shell 110.

2. The porous plate 130 is used as an infrared heating carrier and placed on the injection pipe, and the positioning piece 140 compresses the porous plate 130 on the injection pipe. The inlet of the ejector pipe is arranged transversely, and the outlet of the ejector pipe is arranged vertically after rotating 90 degrees. The horizontal section of the injection pipe is of a Venturi structure and is provided with three parts, namely an injection contraction section, a mixing straight section and a diffusion section, and the tail end of the diffusion section is connected with a 90-degree bent pipe to guide mixed gas to be in a vertical direction. The vertical upward structure has a section of bellmouth enlarged end for the gas is even to be full of whole cavity, from the through-hole 132 blowout burning of porous plate 130.

3. The porous plate member 130 may be a ceramic plate of cordierite substrate, or may be a porous medium material of other types or materials, such as a metal foil tape wound type, a metal fiber material, etc.

4. Because the used injection mode is horizontal injection, the gas equipment 100 has enough injection distance, the air injection quantity is enough, the infrared combustion is more sufficient, and the emission is less.

5. The cavity adopts a vertical small cavity structure, so that the structure is more compact and the applicability is stronger.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically defined, the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., 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 invention. In the present disclosure, the schematic representations of the terms used above 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 above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A gas-fired appliance, comprising:

a housing, the housing comprising;

and the flow channel is arranged in the shell, and the direction of the inlet of the flow channel is different from that of the outlet of the flow channel.

2. The gas fired apparatus of claim 1, wherein the flow passage comprises:

a first flow path section connected to the inlet for introducing and mixing air and gas;

a second flow path section connected to the outlet for diffusing and discharging the mixture of the air and the fuel gas;

wherein, the second runner section is a bent runner section.

3. The gas fired device of claim 2, wherein at least a portion of the second flow path segment extends in a height direction of the gas fired device.

4. The gas fired plant of claim 2, said first flow path segment comprising:

a first segment connected to the inlet;

a second segment connecting the first segment and the second flow channel segment;

wherein, in the direction from the inlet to the outlet, the flow area of the first section part is gradually reduced, and the flow area of the second section part is constant.

5. The gas fired device of claim 2, wherein the flow area of the second flow passage section increases gradually in a direction from the inlet to the outlet.

6. The gas fired apparatus of claim 5, wherein the second flow path segment comprises:

a third section connected to the outlet;

a fourth segment connecting the third segment and the first flow channel segment;

wherein a rate of change of the flow area of the third stage part is larger than a rate of change of the flow area of the fourth stage part.

7. The gas fired device of claim 6, wherein the fourth section extends in a height direction of the gas fired device and the first flow channel section extends in a width direction perpendicular to the height direction.

8. The gas fired device of claim 6, wherein the third section is a bent flow channel section;

the bending angle range of the third section part is as follows: 80 to 100.

9. The gas appliance according to any one of claims 2 to 8, further comprising:

a plate connected with the outlet;

a through hole provided on the plate for discharging the mixture.

10. The gas fired appliance of claim 9, further comprising:

the boss is arranged on the shell and positioned on the flow channel, and the plate abuts against the boss.

11. The gas fired appliance of claim 10, further comprising;

the locating piece, with the casing is connected, and with the plate contacts, the plate is located the locating piece with between the boss.

12. The gas appliance according to any one of claims 2 to 8, further comprising:

an ignition device disposed opposite the outlet for igniting the mixture.

Images