WO2023160345A1 - 燃气加热装置及燃气干衣机 - Google Patents

燃气加热装置及燃气干衣机 Download PDF

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Publication number
WO2023160345A1
WO2023160345A1 PCT/CN2023/074145 CN2023074145W WO2023160345A1 WO 2023160345 A1 WO2023160345 A1 WO 2023160345A1 CN 2023074145 W CN2023074145 W CN 2023074145W WO 2023160345 A1 WO2023160345 A1 WO 2023160345A1
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WO
WIPO (PCT)
Prior art keywords
gas
groove
wall
connecting plate
nozzle
Prior art date
Application number
PCT/CN2023/074145
Other languages
English (en)
French (fr)
Inventor
米德龙
邴进东
郑晓秋
杨坤
苏敏
Original Assignee
青岛海尔洗衣机有限公司
海尔智家股份有限公司
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Filing date
Publication date
Application filed by 青岛海尔洗衣机有限公司, 海尔智家股份有限公司 filed Critical 青岛海尔洗衣机有限公司
Publication of WO2023160345A1 publication Critical patent/WO2023160345A1/zh

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment
    • D06F58/263—Gas heating equipment

Definitions

  • the embodiments of the present application belong to the technical field of clothes dryers, and in particular relate to a gas heating device and a gas clothes dryer.
  • the gas clothes dryer uses the heat generated by gas combustion to heat the air, and the heated dry hot air enters the drying drum and contacts the wet clothes in the drying drum to dry the clothes.
  • a gas clothes dryer includes a casing, a drying cylinder, a fan and a gas heating device. There is an accommodating space in the casing, and the clothes drying cylinder, the fan and the gas heating device are all arranged in the accommodating space.
  • the gas heating device includes a burner, a combustion tube and an ignition needle. The ignition needle is set close to the burner.
  • the nozzle of the burner is hemispherical. The axis of the hemispherical nozzle is parallel to the horizontal plane. There are multiple nozzles on the surface of the hemispherical nozzle. orientations are different.
  • Both the nozzle and the ignition needle are accommodated in the combustion cylinder, the gas ejected from the nozzle is ignited by the ignition needle, the heat generated by the gas combustion heats the air in the combustion cylinder, and under the action of the fan, the heated air enters the dryer drum to dry the laundry in the drum.
  • the main purpose of the embodiments of the present application is to provide a gas heating device and a gas clothes dryer, so as to solve the problem of low gas combustion efficiency of related gas clothes dryers.
  • an embodiment of the present application provides a gas heating device, including: a burner and an ignition needle, the burner includes a body and a gas collecting plate, the gas collecting plate is recessed upwards to form a gas collecting chamber, the The body has a combustion end, the combustion end is provided with a spout, the gas collecting plate is connected to the combustion end, and the gas collecting plate is located on the upper part of the spout, so that the gas ejected from the spout can enter In the gas collection chamber; the ignition needle has an ignition end, the ignition end is located outside the nozzle, and the ignition end extends into the gas collection chamber.
  • the body includes a first connecting plate and a second connecting plate, the first connecting plate is attached to the second connecting plate, and the first connecting plate is provided with a second connecting plate.
  • a groove, the first groove is recessed away from the second connecting plate; the second connecting plate is provided with a second groove, the second groove is recessed away from the first connecting plate, the The second groove is directly opposite to the first groove, and the second groove and the first groove are surrounded by a gas channel, and one end of the gas channel close to the gas collection chamber forms the nozzle
  • An air inlet is formed at the end of the gas passage far away from the gas collection chamber, and the gas passage communicates with the gas collection chamber through the nozzle.
  • the first groove has a first guide groove wall, and the first The wall of the diversion groove is close to the air collecting chamber, the wall of the first diversion groove is inclined relative to the first connecting plate, and the distance between the wall of the first diversion groove and the air inlet is It increases from the bottom of the first groove to the opening.
  • the second groove has a second guide groove wall, the second guide groove wall is close to the gas collection chamber, and the second guide groove wall is opposite to the
  • the second connecting plate is arranged obliquely, and the distance between the wall of the second guide groove and the air inlet increases from the bottom of the second groove to the opening of the groove.
  • the gas collecting chamber includes a first side wall, a second side wall and a flow guide wall, the first side wall is perpendicular to the first connecting plate, and the first side wall One side wall is parallel to the axis of the gas channel; the second side wall is parallel to and spaced apart from the first side wall, and the first side wall and the second side wall pass through the guide wall connected, the first side wall, the second side wall and the diversion wall are arranged to form the gas collection chamber, and the end of the diversion wall close to the spout is connected to the wall of the first diversion tank One end close to the second connecting plate is connected.
  • the projection of the guide wall on the plane where the first side wall is located is arc-shaped.
  • the angle between the axis of the ignition pin and the plane where the first connecting plate is located is an acute angle
  • the ignition pin also has a fixed end, and the fixed end is smaller than the The firing end is closer to the air intake.
  • the second connecting plate is bent upwards along both ends perpendicular to the axis of the gas channel to form a bent plate, and the connection between the bent plate and the second connecting plate A slot is formed between the slots, and the first connecting plate is passed through the slot.
  • the gas heating device further includes a mounting frame, and both the burner and the ignition pin are connected to the mounting frame.
  • the embodiment of the present application also provides a gas clothes dryer, including the above-mentioned gas heating device.
  • the gas dryer in the embodiment of the present application includes a gas heating device, the gas heating device includes a burner and an ignition needle, the burner includes a body and a gas collecting plate, and the gas collecting plate is recessed upward to form a gas collecting
  • the body has a combustion end, the combustion end is provided with a spout, the gas collecting plate is connected to the burning end, and the gas collecting plate is located on the upper part of the spout, so that the gas ejected from the spout can enter the gas collecting chamber;
  • the ignition needle has an ignition end , the ignition end is located outside the nozzle, and the ignition end extends into the gas collection chamber.
  • the gas ejected from the spout is first gathered in the gas collection chamber, and the gas collection chamber can prevent the gas ejected from the spout from escaping, so as to reduce the amount of gas escaping, so that the gas ejected from the spout can be as large as possible. Both are ignited by the ignition needle, thereby improving the combustion efficiency of the gas.
  • Fig. 1 is a schematic structural view of a gas heating device and a mounting frame according to an embodiment of the present application
  • Fig. 2 is a sectional view of the burner in the gas heating device of the embodiment of the present application
  • Fig. 3 is a schematic structural diagram of a gas heating device according to an embodiment of the present application.
  • Fig. 4 is a schematic structural view of the first connecting plate in the gas heating device of the embodiment of the present application.
  • Fig. 5 is a schematic structural view of the second connecting plate in the gas heating device of the embodiment of the present application.
  • Fig. 6 is the second structural diagram of the gas heating device of the embodiment of the present application.
  • Fig. 7 is a schematic structural view of a fixing frame in a gas heating device according to an embodiment of the present application.
  • Fig. 8 is a schematic structural diagram of a mounting frame in a gas heating device according to an embodiment of the present application.
  • Fig. 9 is a schematic structural view of a burner in a gas heating device according to an embodiment of the present application.
  • Fig. 10 is a structural schematic diagram 1 of a burner suitable for liquefied gas in the gas heating device of the embodiment of the present application;
  • Fig. 11 is a structural schematic diagram II of a burner suitable for liquefied gas in the gas heating device of the embodiment of the present application;
  • Fig. 12 is a schematic structural view of a burner suitable for natural gas in a gas heating device according to an embodiment of the present application.
  • connection and “connected” should be interpreted in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present application according to specific situations.
  • a gas clothes dryer in the related art includes a casing, a drying cylinder, a blower fan and a gas heating device.
  • the casing has an accommodating space, and the clothes drying cylinder, the blower fan and the gas heating device are all arranged in the accommodating space.
  • the gas heating device includes a gas valve, an air inlet pipe, a burner, a combustion cylinder and an ignition needle.
  • the gas valve has an air inlet and an air outlet.
  • the gas port and the nozzle, the combustion air inlet is used to make the combustion air enter the burner, and the combustion air in the burner is mixed with the gas and sprayed out from the nozzle.
  • the ignition needle is set close to the burner. Both the nozzle and the ignition needle are accommodated in the combustion cylinder.
  • the gas ejected from the nozzle is ignited by the ignition needle.
  • the heat generated by the combustion of the gas heats the air in the combustion cylinder. Under the action of the fan, The heated air enters the drying drum to dry the clothes in the drying
  • the nozzle of the burner is usually hemispherical, the axis of the hemispherical nozzle is parallel to the horizontal plane, and the surface of the hemispherical nozzle is provided with a plurality of nozzles, and the orientation of each nozzle is different, and the gas is ejected from the nozzles.
  • the gas ejected from the nozzle close to the ignition needle is easier to be ignited, while the gas ejected from the nozzle far away from the ignition needle is difficult to be ignited by the ignition needle due to the distance from the ignition needle, and it is easy to escape directly without burning.
  • the gas injected from the nozzle is not fully combusted, resulting in a reduction in the combustion efficiency of the gas and a waste of gas energy.
  • This embodiment provides a gas heating device and a gas clothes dryer.
  • a gas collection chamber is provided outside the nozzle of the burner, and the ignition end of the ignition needle extends into the gas collection chamber to ignite the gas in the gas collection chamber.
  • the gas ejected from the nozzle is collected in the gas collection chamber, and the gas collection chamber can prevent the gas ejected from the nozzle from escaping, so as to reduce the amount of gas escaped, so that the gas ejected from the nozzle can be burned more fully, thereby improving combustion efficiency of gas.
  • the gas-fired clothes dryer provided in the embodiment of the present application includes a housing, a gas heating device arranged in the housing, a mounting frame 300, a drying cylinder and a fan.
  • the drying cylinder is used to place clothes to be dried, and the gas heating device can
  • the detachable connection is on the installation frame 300, and the installation frame 300 is connected on the housing.
  • the gas heating device includes a gas valve 600, an air inlet pipe 700, a burner 100, a combustion cylinder 800 and an ignition needle 200. communicate with the burner 100.
  • the intake pipe 700 can be provided with an intake valve 701.
  • the intake valve 701 is used to control the flow of gas entering the gas valve 600 from the intake pipe 700. When the intake valve 701 is opened, the gas in the intake pipe 700 can enter the gas valve 600. When the intake valve 701 is closed, no gas flows through the gas valve 600.
  • the burner 100 includes a body and a gas collecting plate.
  • the body has an air inlet and a combustion end.
  • a nozzle 101 is provided, and the gas from the gas valve 600 enters the main body through the air inlet 102 and is ejected from the nozzle 101 .
  • the gas collecting plate is recessed upwards to form a gas collecting chamber 113, the gas collecting plate is connected with the combustion end, and the gas collecting plate is located on the top of the nozzle 101, so that the gas ejected from the nozzle 101 can enter the gas collecting chamber 113, and the gas collecting chamber 113
  • the escape of the gas injected from the nozzle 101 can be avoided, so as to reduce the escape amount of the gas.
  • the ignition pin 200 is arranged near the burner 100. As shown in FIG. The ignition needle 200 can ignite the gas in the gas collection cavity 113 . The ignition end 201 extends into the air collection cavity 113 , which can make the ignition speed of the ignition needle 200 faster.
  • the combustion cylinder 800 is set outside the spout 101, the gas collection chamber 113 and the ignition needle 200, the combustion cylinder 800 and the drying cylinder can be connected through the air duct, and the heat generated by the combustion of the gas in the gas collection chamber 113 has a great influence on the combustion.
  • the air in the drum 800 is heated, and under the action of the fan, the heated air enters the drying drum to dry the clothes in the drying drum.
  • the gas in the burner 100 is ejected from the nozzle 101 and gathered in the gas collecting chamber 113.
  • the ignition end 201 of the ignition needle 200 extends into the gas collecting chamber 113, so that the gas mainly burns in the gas collecting chamber 113, and the flame produced
  • the length along the direction parallel to the gas channel is relatively short, and the flame is far away from the inlet of the air channel, so that the temperature of the air entering the drying cylinder is too high and damages the clothes.
  • the above-mentioned body may include a first connecting plate 110 and a second connecting plate 120, the first connecting plate 110 is attached to the second connecting plate 120, as shown in FIG. 4, the first connecting plate 110 is provided with a first groove 111, The first groove 111 is recessed away from the second connecting plate 120 . As shown in FIG. 5 , the second connecting plate 120 is provided with a second groove 121 , and the second groove 121 is recessed away from the first connecting plate 110 . Continuing to refer to FIG.
  • the second groove 121 is directly opposite to the first groove 111, and the second groove 121 and the first groove 111 are surrounded by a gas passage, and the gas passage near one end of the gas collection chamber 113 forms a spout 101,
  • the end of the gas passage far away from the gas collection chamber 113 forms an air inlet 102, and the gas passage communicates with the gas collection chamber 113 through the nozzle 101, and the gas ejected from the nozzle 101 first flows into the gas collection chamber 113, and the gas collection chamber 113 can reduce the gas consumption. escape amount, so that the gas injected from the nozzle 101 can be ignited by the ignition needle 200 as much as possible, thereby improving the combustion efficiency of the gas.
  • the first connection plate 110 and the gas collection plate can be flush, and the first connection plate 110 and the gas collection plate can be integrally formed, and the first groove 111 and the gas collection chamber 113 are located on the same side of the second connection plate 120, so as to Make the structure of the burner 100 simpler.
  • the burner 100 can also be welded on the basis of the burner 100 in the related art, that is, the end of the burner 100 away from the air inlet 102 is a hemispherical nozzle , the axis of the hemispherical nozzle can be parallel to the horizontal plane, the surface of the hemispherical nozzle is provided with a plurality of nozzles 101, and the orientation of each nozzle 101 is different, and the gas is ejected from the nozzles 101.
  • the gas collecting hood in this embodiment can block the escape path of the gas, and prevent the gas from escaping to the side of the gas collecting hood away from the ignition needle 200, so that the gas ejected from the nozzle 101 can be collected in the gas collecting chamber 113 as much as possible and It is ignited by the ignition needle 200, thereby improving the combustion efficiency of the gas.
  • the first groove 111 has a first flow guide groove wall 112 , and the first flow guide The groove wall 112 is close to the air collecting chamber 113, the first flow guide groove wall 112 is inclined relative to the first connecting plate 110, and the distance between the first flow guide groove wall 112 and the air inlet 102 is from the first groove 111
  • the bottom of the groove increases toward the notch, and the gas in the first groove 111 can flow to the nozzle 101 along the first flow guide groove wall 112 and then flow into the gas collection chamber 113, and the first flow guide groove wall 112 makes the first groove 111
  • the gas inside is easy to flow into the gas collection chamber 113.
  • the second The groove 121 has a second diversion groove wall 122, the second diversion groove wall 122 is close to the air collecting chamber 113, and the second diversion groove wall 122 is far away from one end of the groove bottom of the second groove 121 and the first diversion groove wall.
  • the second flow guide groove wall 122 is arranged obliquely relative to the second connecting plate 120, and between the second flow guide groove wall 122 and the air inlet 102 The distance increases from the groove bottom of the second groove 121 to the groove opening, the gas in the second groove 121 can flow into the gas collection chamber 113 along the second flow guide groove wall 122, and the second flow guide groove wall 122 makes the first flow guide groove wall 122 The gas in the second groove 121 is easy to flow into the gas collecting chamber 113 .
  • the projection of the end of the first diversion tank wall 112 away from the groove bottom of the first groove 111 on the plane where the first connecting plate 110 is located is located on the plane where the second diversion tank wall 122 is on the first connecting plate.
  • part of the gas flowing through the first flow guide tank wall 112 flows from the nozzle 101 to the gas collection chamber 113, and the other part directly flows to the second guide tank wall 122, and flows along the second flow guide tank wall.
  • the second flow guide tank wall 122 can block the gas from the first flow guide tank wall 112, preventing the gas from flowing out of the gas collection chamber 113 and escaping, further improving the efficiency of the gas flow. combustion efficiency.
  • the gas collecting chamber 113 may include a first side wall 114 , a second side wall 115 and a guide wall 116 , the first side wall 114 is perpendicular to the first connecting plate 110 , and the first side wall 114 is perpendicular to the gas
  • the axes of the channel are parallel; the second side wall 115 is parallel and spaced apart from the first side wall 114, and the first side wall 114 and the second side wall 115 are connected by a guide wall 116, and the first side wall 114 and the second side wall 115 and the flow guide wall 116 are surrounded by a gas collection chamber 113, and the end of the flow guide wall 116 close to the spout 101 is connected with the end of the first flow guide tank wall 112 close to the second connecting plate 120, and the gas ejected from the spout 101 is The flow wall 116 flows into the air collecting chamber 113 .
  • the projection of the flow guide wall 116 on the plane where the first side wall 114 is located is in the shape of a circular arc, that is to say, the flow guide wall 116 is arc-shaped, from the end of the flow guide wall 116 close to the spout 101
  • the gas flowing to the other end turns back after touching the guide wall 116 at the other end, and forms a turbulent flow in the gas collection chamber 113, so that the gas in the gas collection chamber 113 can be in contact with the ignition needle 200 as much as possible and It is ignited by the ignition pin 200 to improve the combustion efficiency of the gas, and at the same time, it can make the gas burn more fully, reduce the residual carbon monoxide, have higher safety, and be more energy-saving and environment-friendly.
  • the angle between the axis of the ignition pin 200 and the plane where the first connecting plate 110 is located is an acute angle
  • the ignition pin 200 also has a fixed end 202 which is closer to the ignition end 201 air intake 102 .
  • the ignition needle 200 is obliquely arranged outside the nozzle 101, so that the ignition end 201 is facing the nozzle 101, so that the gas can be ignited immediately after being ejected from the nozzle 101, which can effectively reduce the ignition time of the gas clothes dryer, and the heat generated by the gas combustion and The exchange speed of wet clothes is faster, which effectively improves the drying speed of clothes.
  • the angle between the axis of the ignition needle 200 and the plane where the first connecting plate 110 is located can be 18°-30°, which can increase the contact area between the gas ejected from the nozzle 101 and the ignition end 201, so that the gas It can be ignited by the ignition needle 200 as much as possible to increase the combustion efficiency of the gas.
  • the two ends of the second connecting plate 120 are bent upwards along the axis perpendicular to the gas channel to form a bent plate 123 (as shown in FIG. 5 ), the bent plate 123 and the second connecting plate 120 are surrounded by a slot, and the first connecting plate 110 is penetrated in the slot (as shown in FIG. 6 ) to connect the first connecting plate 110 and the second connecting plate 110. board 120 for connection.
  • first connecting plate 110 can be provided with first connecting hole 117 (as shown in Figure 4), can be provided with second connecting hole 124 (as shown in Figure 5) on the second connecting plate 120, first connecting hole 117 Opposite to the second connecting hole 124, the fastening bolts pass through the first connecting hole 117 and the second connecting hole 124 in sequence and then connect with the mounting bracket 300 (as shown in FIG. 6 ), thereby detachably connecting the burner 100 to the on the mounting frame 300.
  • the ignition needle 200 can be connected to the mounting frame 300 through a fixing frame 400.
  • One end of the second fixing plate 403 is connected to the first fixing plate 401 , and the second fixing plate 403 is perpendicular to the first fixing plate 401 ; the other end of the second fixing plate 403 is connected to the clamping part.
  • One end of the first fixing plate 401 away from the second fixing plate 403 is bent towards the clamping portion to form a fastening plate 407, the fastening plate 407 is perpendicular to the first fixing plate 401, the fastening plate 407, the first fixing plate 401 and the second
  • the fixing plate 403 forms a card slot.
  • a fixing hole 404 is defined on the second fixing plate 403 , and the fixing hole 404 extends to the first fixing plate 401 .
  • the fixing frame 400 is rotated so that the mounting plate 301 is clamped on the (as shown in Figure 3 and Figure 6), and make the first fixed plate 401 fit the mounting plate 301, to pre-position the fixed frame 400 and the mounting frame 300; the first fixed plate 401 can be provided with The third connecting hole 402, the mounting plate 301 can be provided with a fourth connecting hole, the fourth connecting hole is directly opposite to the third connecting hole 402, and the fastening bolt is passed through the third connecting hole 402 and the fourth connecting hole (such as 6), to fix the mounting plate 301 and the first fixing plate 401.
  • the clamping portion may include a third fixing plate 405 , one end of the third fixing plate 405 is connected to an end of the second fixing plate 403 away from the first fixing plate 401 , and the third fixing plate 405
  • the other end of the ignition pin 200 is bent to form a fixing ring 406 , and the fixing end 202 of the ignition pin 200 passes through the fixing ring 406 to fix the ignition pin 200 on the fixing frame 400 .
  • the clamping part may include a fixing clip, and the fixing clip may clamp the ignition end 201 of the ignition needle 200 to fix the ignition needle 200 to the fixing frame 400 .
  • the gas heating device may also include an air inlet tube 500, one end of the combustion tube 800 is sleeved outside the ignition needle 200 and the gas collection chamber 113, and the other end of the combustion tube 800 faces away from the combustion chamber.
  • One end of the burner 100 extends, and the cylinder diameter of the combustion cylinder 800 decreases along the direction away from the burner 100 .
  • the air inlet tube 500 is sleeved on the outside of the end of the combustion tube 800 away from the burner 100.
  • the end of the combustion tube 800 away from the burner 100 is accommodated in the air inlet tube 500.
  • the axis of the air inlet tube 500 can be aligned with the axis of the combustion tube 800.
  • the tube diameter of the air inlet tube 500 decreases along the direction away from the burner 100, there is an air inlet gap 501 between the air inlet tube 500 and the combustion tube 800, and the air in the housing enters the air inlet tube 500 from the air inlet gap 501 After mixing with the hot air in the combustion cylinder 800, it enters the air duct, and flows from the air duct into the drying cylinder.
  • the temperature of the air in the combustion tube 800 will be too high.
  • the air inside is mixed and then enters the drying cylinder to reduce the temperature of the air entering the drying cylinder and avoid damage to the clothes when the temperature is too high.
  • the air inlet tube 500 and the combustion tube 800 can be connected through the fourth fixed plate 502, and the fourth fixed plate 502 can include the first plate body 503, the second plate body 504 and the third plate body 505, the first plate body
  • the body 503 is attached to the outer wall of the combustion tube 800, one end of the second plate body 504 is connected to one end of the first plate body 503, and the other end of the second plate body 504 is connected to the air inlet tube 500; one end of the third plate body 505 It is connected to the end of the first plate 503 away from the second plate 504, and the other end of the third plate 505 is connected to the air inlet tube 500.
  • the second plate From the first plate 503 to the direction of the air inlet tube 500, the second plate The distance between 504 and the third board 505 increases gradually, and the fastening bolts pass through the first board 503 and connect with the combustion tube 800 to realize the connection between the air inlet tube 500 and the combustion tube 800 .
  • the burner 100 may also include a combustion air adjustment part 125 , and the combustion air adjustment part 125 includes a rotating tube 126 and an air intake plate 127, the rotating tube 126 is installed at the end of the gas channel away from the gas collection chamber 113, the rotating tube 126 can rotate in the gas channel with its own axis as the center, and the air inlet plate 127 is arranged at the end of the rotating tube 126 away from the gas collecting chamber 113 to seal Block the rotating tube 126, enter The gas plate 127 is perpendicular to the axis of the rotating pipe 126, and the air inlet plate 127 can be provided with an air inlet 128, the gas from the gas valve 600 enters the rotating pipe 126 from the air inlet 128, and flows from the rotating pipe 126 to the gas channel .
  • the combustion air adjustment part 125 includes a rotating tube 126 and an air intake plate 127
  • the rotating tube 126 is installed at the end of the gas channel away from the gas collection chamber 113
  • the rotating tube 126 can rotate in the
  • the groove wall of the first groove 111 can be provided with the first adjustment port 129, the first limit hole 130 and the second limit hole 131, and the tube wall of the rotating tube 126 can be provided with the second adjustment port 132 and the third limit hole.
  • Limiting hole 133, the axes of the third limiting hole 133, the first limiting hole 130 and the second limiting hole 131 are located in the same plane perpendicular to the axis of the rotating tube 126, and the third limiting hole 133 is used for matching with the first limiting hole 130.
  • One limit hole 130 or the second limit hole 131 is opposite, and the third limit hole 133 can be connected with the first limit hole 130 or the second limit hole 131 by fastening bolts.
  • the flow area between the first regulating port 129 and the second regulating port 132 is larger than when the third limiting hole 133 is facing the second limiting hole 131, the first The communication area between the first regulating port 129 and the second regulating port 132 .
  • a third adjustment opening 134 may be provided on the groove wall of the second groove 121 , and the third adjustment opening 134 may be opposite to the first adjustment opening 129 .
  • a fourth regulating port can also be provided on the pipe wall of the rotating pipe 126 , and the fourth regulating port can be directly opposite to the second regulating port 132 .
  • the flow area of the third adjustment port 134 and the fourth adjustment port is equal to the flow area of the first adjustment port 129 and the second adjustment port 132.
  • the flow area between 134 and the fourth regulating port is greater than the flow area between the third regulating port 134 and the fourth regulating port when the third limiting hole 133 is facing the second limiting hole 131 .
  • the gas used in gas clothes dryers can be natural gas or liquefied gas.
  • the amount of combustion air required for combustion of natural gas and liquefied gas is very different. When burning the same volume of natural gas and liquefied gas, the amount of combustion air required for liquefied gas is greater than The amount of combustion air required for natural gas.
  • the rotating tube 126 when the gas used in the gas clothes dryer is liquefied gas, the rotating tube 126 is rotated until the first limiting hole 130 is opposite to the third limiting hole 133, and the fastening bolts are passed through the In the first limiting hole 130 and the third limiting hole 133, the tube wall of the rotating tube 126 does not block the first regulating port 129 and the third regulating port 134, that is, the second regulating port 132 and the first regulating port 129. Completely facing each other, and the third regulating port 134 is completely facing the fourth regulating port, at this time, the flow area between the first regulating port 129 or the third regulating port 134 and the gas channel is the first area.
  • the rotating tube 126 is rotated until the second limiting hole 131 is directly opposite to the third limiting hole 133, and the fastening bolt is passed through the second limiting hole.
  • the tube wall of the rotating tube 126 blocks part of the first regulating port 129 and the third regulating port 134, that is, part of the second regulating port 132 is facing part of the first regulating port 129, And part of the third regulating port 134 is facing part of the fourth regulating port.
  • the flow area between the first regulating port 129 or the third regulating port 134 and the gas passage is the second area, and the second area is smaller than the first area.
  • the flow area between the first regulating port 129 and the third regulating port 134 and the gas channel can be changed by turning the combustion air regulating member 125 without replacing the gas valve.
  • the first area can be three times the second area, since the combustion of the same volume of natural gas and liquefied gas requires about three times the amount of combustion-supporting air for the liquefied gas, therefore, the first area is set as the second area Three times of that, the gas clothes dryer can achieve a reasonable ratio of gas and combustion-supporting air under the working conditions of natural gas or liquefied petroleum gas.
  • the gas-fired clothes dryer in the embodiment of the present application includes a gas heating device, the gas heating device includes a burner 100 and an ignition needle 200, the burner 100 includes a body and a gas collecting plate, and the gas collecting plate is depressed upward to form a gas collecting chamber 113, the body has a combustion end, the combustion end is provided with a nozzle 101, the gas collecting plate is connected to the combustion end, and the gas collecting plate is located on the upper part of the nozzle 101, so that the gas ejected from the nozzle 101 can enter the gas collecting chamber 113; ignition The needle 200 has an ignition end 201, the ignition End 201 is located outside of spout 101 , and firing end 201 extends into plenum 113 .
  • the gas ejected from the nozzle 101 is first collected in the gas collection chamber 113, and the gas collection chamber 113 can prevent the gas ejected from the nozzle 101 from escaping, so as to reduce the escape amount of gas and make the gas ejected from the nozzle 101
  • the gas can be ignited by the ignition needle 200 as much as possible, thereby improving the combustion efficiency of the gas.

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Abstract

一种燃气加热装置及燃气干衣机。旨在解决燃气干衣机对燃气的燃烧效率低的问题。燃气干衣机包括燃气加热装置，燃气加热装置包括燃烧器（100）和点火针（200），燃烧器（100）包括本体和集气板，集气板向上凹陷形成集气腔（113），本体具有燃烧端，燃烧端设置有喷口（101），集气板与燃烧端连接，且集气板位于喷口（101）的上部，以使从喷口（101）喷出的燃气可进入集气腔（113）内；点火针（200）具有点火端（201），点火端（201）位于喷口（101）外，且点火端（201）延伸至集气腔（113）内。通过上述设置，从喷口（101）喷出的燃气先聚集在集气腔（113）内，集气腔（113）可避免从喷口（101）喷出的燃气发生逃逸，以减少燃气的逃逸量，使从喷口（101）喷出的燃气可以尽可能地都被点火针（200）点燃，从而提高燃气的燃烧效率。

Description

燃气加热装置及燃气干衣机
本申请要求于2022年2月25日提交中国专利局、申请号为202210181871.2、申请名称为“燃气加热装置及燃气干衣机”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请实施例属于干衣机技术领域，具体涉及一种燃气加热装置及燃气干衣机。
背景技术
燃气干衣机是利用燃气燃烧产生的热量加热空气，加热后的干燥热空气进入干衣筒内、并与干衣筒内的湿衣物接触，从而烘干衣物。
相关技术中，燃气干衣机包括机壳、干衣筒、风机以及燃气加热装置，机壳内具有容置空间，干衣筒、风机以及燃气加热装置均设置在容置空间内。燃气加热装置包括燃烧器、燃烧筒和点火针，点火针靠近燃烧器设置，燃烧器的喷头呈半球形，半球形喷头的轴线与水平面平行，半球形喷头的表面开设有多个喷口，各喷口的朝向各不相同。喷头和点火针均容置在燃烧筒内，从喷头喷出的燃气被点火针点燃，燃气燃烧产生的热量对燃烧筒内的空气进行加热，在风机的作用下，被加热的空气进入干衣筒内，以烘干干衣筒内的衣物。
然而，从远离点火针的喷口喷出的燃气难以被点燃，导致燃气的燃烧效率降低。
发明内容
本申请实施例的主要目的是提供一种燃气加热装置及燃气干衣机，以解决相关燃气干衣机对燃气的燃烧效率低的问题。
为实现上述目的，本申请实施例提供了一种燃气加热装置，包括：燃烧器和点火针，所述燃烧器包括本体和集气板，所述集气板向上凹陷形成集气腔，所述本体具有燃烧端，所述燃烧端设置有喷口，所述集气板与所述燃烧端连接，且所述集气板位于所述喷口的上部，以使从所述喷口喷出的燃气可进入所述集气腔内；所述点火针具有点火端，所述点火端位于所述喷口外，且所述点火端延伸至所述集气腔内。
在上述燃气加热装置的优选技术方案中，所述本体包括第一连接板和第二连接板，所述第一连接板与所述第二连接板贴合，所述第一连接板上设置第一凹槽，所述第一凹槽背离所述第二连接板凹陷；所述第二连接板上设置有第二凹槽，所述第二凹槽背离所述第一连接板凹陷，所述第二凹槽与所述第一凹槽正对，且所述第二凹槽和所述第一凹槽围设成燃气通道，所述燃气通道靠近所述集气腔的一端形成所述喷口，所述燃气通道远离所述集气腔的一端形成进气口，所述燃气通道与所述集气腔通过所述喷口连通。
在上述燃气加热装置的优选技术方案中，所述第一凹槽具有第一导流槽壁，所述第一 导流槽壁靠近所述集气腔，所述第一导流槽壁相对于所述第一连接板倾斜的设置，且所述第一导流槽壁与所述进气口之间的距离从所述第一凹槽的槽底向槽口增大。
在上述燃气加热装置的优选技术方案中，所述第二凹槽具有第二导流槽壁，所述第二导流槽壁靠近所述集气腔，所述第二导流槽壁相对于所述第二连接板倾斜的设置，且所述第二导流槽壁与所述进气口之间的距离从所述第二凹槽的槽底向槽口增大。
在上述燃气加热装置的优选技术方案中，所述集气腔包括第一侧壁、第二侧壁和导流壁，所述第一侧壁与所述第一连接板垂直，且所述第一侧壁与所述燃气通道的轴线平行；所述第二侧壁与所述第一侧壁平行且间隔的设置，所述第一侧壁和所述第二侧壁通过所述导流壁连接，所述第一侧壁、所述第二侧壁及所述导流壁围设成所述集气腔，所述导流壁靠近所述喷口的一端与所述第一导流槽壁靠近所述第二连接板的一端连接。
在上述燃气加热装置的优选技术方案中，所述导流壁在所述第一侧壁所在平面上的投影呈圆弧形。
在上述燃气加热装置的优选技术方案中，所述点火针的轴线与所述第一连接板所在平面之间的夹角为锐角，所述点火针还具有固定端，所述固定端较所述点火端更靠近所述进气口。
在上述燃气加热装置的优选技术方案中，所述第二连接板沿垂直于所述燃气通道的轴线的两端向上弯折形成弯折板，所述弯折板与所述第二连接板之间围设成插槽，所述第一连接板穿设在所述插槽内。
在上述燃气加热装置的优选技术方案中，所述燃气加热装置还包括安装架，所述燃烧器和所述点火针均连接在所述安装架上。
本申请实施例还提供了一种燃气干衣机，包括上述的燃气加热装置。
本领域技术人员能够理解的是，本申请实施例的燃气干衣机包括燃气加热装置，燃气加热装置包括燃烧器和点火针，燃烧器包括本体和集气板，集气板向上凹陷形成集气腔，本体具有燃烧端，燃烧端设置有喷口，集气板与燃烧端连接，且集气板位于喷口的上部，以使从喷口喷出的燃气可进入集气腔内；点火针具有点火端，点火端位于喷口外，且点火端延伸至集气腔内。通过上述设置，从喷口喷出的燃气先聚集在集气腔内，集气腔可避免从喷口喷出的燃气发生逃逸，以减少燃气的逃逸量，使从喷口喷出的燃气可以尽可能地都被点火针点燃，从而提高燃气的燃烧效率。
附图说明
下面参照附图来描述本申请实施例的燃气干衣机的优选实施方式。附图为：
图1是本申请实施例的燃气加热装置与安装架的结构示意图；
图2是本申请实施例的燃气加热装置中燃烧器的剖视图；
图3是本申请实施例的燃气加热装置的结构示意图一；
图4是本申请实施例的燃气加热装置中第一连接板的结构示意图；
图5是本申请实施例的燃气加热装置中第二连接板的结构示意图；
图6是本申请实施例的燃气加热装置的结构示意图二；
图7是本申请实施例的燃气加热装置中固定架的结构示意图；
图8是本申请实施例的燃气加热装置中安装架的结构示意图；
图9是本申请实施例的燃气加热装置中燃烧器的结构示意图；
图10是本申请实施例的燃气加热装置中适用于液化气的燃烧器的结构示意图一；
图11是本申请实施例的燃气加热装置中适用于液化气的燃烧器的结构示意图二；
图12是本申请实施例的燃气加热装置中适用于天然气的燃烧器的结构示意图。
附图中：
100、燃烧器；                 200、点火针；
300、安装架；                 400、固定架；
500、进风筒；                 600、燃气阀；
700、进气管；                 701、进气阀；
800、燃烧筒；                 101、喷口；
102、进气口；                 110、第一连接板；
111、第一凹槽；                112、第一导流槽壁；
113、集气腔；                 114、第一侧壁；
115、第二侧壁；                116、导流壁；
117、第一连接孔；               120、第二连接板；
121、第二凹槽；                122、第二导流槽壁；
123、弯折板；                 124、第二连接孔；
125、助燃空气调节件；             126、转动管；
127、进气板；                 128、进气孔；
129、第一调节口；               130、第一限位孔；
131、第二限位孔；               132、第二调节口；
133、第三限位孔；               134、第三调节口；
201、点火端；                 202、固定端；
301、安装板；                 302、插块；
401、第一固定板；               402、第三连接孔；
403、第二固定板；               404、固定孔；
405、第三固定板；               406、固定环；
407、紧固板；                 501、进风间隙；
502、第四固定板；               503、第一板体；
504、第二板体；                505、第三板体。
具体实施方式
首先，本领域技术人员应当理解的是，这些实施方式仅仅用于解释本申请实施例的技术原理，并非旨在限制本申请实施例的保护范围。本领域技术人员可以根据需要对其作出调整，以便适应具体的应用场合。
其次，需要说明的是，在本申请实施例的描述中，术语“内”、“外”等指示的方向或位置关系的术语是基于附图所示的方向或位置关系，这仅仅是为了便于描述，而不是指示或暗示所述装置或构件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请实施例的限制。
此外，还需要说明的是，在本申请实施例的描述中，除非另有明确的规定和限定，术语“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个构件内部的连通。对于本领域技术人员而言，可根据具体情况理解上述术语在本申请实施例中的具体含义。
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
相关技术中的燃气干衣机包括机壳、干衣筒、风机以及燃气加热装置，机壳内具有容置空间，干衣筒、风机以及燃气加热装置均设置在容置空间内。燃气加热装置包括燃气阀、进气管、燃烧器、燃烧筒和点火针，燃气阀具有进气口和出气口，进气口与进气管连通，出气口与燃烧器连通，燃烧器具有助燃空气进气口和喷头，助燃空气进气口用于使助燃空气进入燃烧器内部，燃烧器内的助燃空气与燃气混合后从喷头喷出。点火针靠近燃烧器设置，喷头和点火针均容置在燃烧筒内，从喷头喷出的燃气被点火针点燃，燃气燃烧产生的热量对燃烧筒内的空气进行加热，在风机的作用下，被加热的空气进入干衣筒内，以烘干干衣筒内的衣物。
燃烧器的喷头通常呈半球形，半球形喷头的轴线与水平面平行，半球形喷头的表面开设有多个喷口，各喷口的朝向各不相同，燃气从喷口喷出。从靠近点火针的喷口喷出的燃气比较容易被点燃，而从远离点火针的喷口喷出的燃气由于与点火针的距离较远，难以被点火针点燃，且容易不发生燃烧而直接逃逸到燃烧筒内，使从喷口喷出的燃气燃烧不充分，导致燃气的燃烧效率降低，浪费了燃气能源。
本实施例提供一种燃气加热装置及燃气干衣机，在燃烧器的喷口外设置集气腔，点火针的点火端延伸至集气腔内，以点燃集气腔内的燃气。从喷口喷出的燃气聚集在集气腔内，集气腔可避免从喷口喷出的燃气发生逃逸，以减少燃气的逃逸量，使从喷口喷出的燃气可以更加充分的燃烧，从而提高了燃气的燃烧效率。
以下结合附图对本申请实施例的原理和特征进行描述，所举实例只用于解释本申请实施例，并非用于限定本申请实施例的范围。
本申请实施例提供的燃气干衣机包括壳体、以及设置在壳体内的燃气加热装置、安装架300、干衣筒和风机，干衣筒内用于放置待烘干衣物，燃气加热装置可拆卸的连接在安装架300上，安装架300连接在壳体上。
如图1所示，燃气加热装置包括燃气阀600、进气管700、燃烧器100、燃烧筒800和点火针200，燃气阀600具有入气口和出气口，入气口与进气管700连通，出气口与燃烧器100连通。进气管700上可以设置有进气阀701，进气阀701用于控制从进气管700进入燃气阀600内的燃气流量，进气阀701打开时，进气管700内的燃气可以进入燃气阀600内；进气阀701关闭时，燃气阀600内没有燃气流过。
如图2所示，燃烧器100包括本体和集气板，本体具有进气端和燃烧端，进气端设置有进气口102，进气口102与燃气阀600的出气口连通，燃烧端设置有喷口101，来自燃气阀600的燃气从进气口102进入本体内，并从喷口101喷出。
集气板向上凹陷形成集气腔113，集气板与燃烧端连接，且集气板位于喷口101的上部，以使从喷口101喷出的燃气可进入集气腔113内，集气腔113可避免从喷口101喷出的燃气发生逃逸，以减少燃气的逃逸量。
继续参照图1，点火针200靠近燃烧器100设置，如图3所示，点火针200具有点火端201，点火端201位于喷口101外，且点火端201延伸至集气腔113内，以使点火针200可以点燃集气腔113内的燃气。点火端201延伸至集气腔113内，可以使点火针200的点火速度更快。
继续参照图1，燃烧筒800套设在喷口101、集气腔113及点火针200外，燃烧筒800与干衣筒可以通过风道连通，集气腔113内的燃气燃烧产生的热量对燃烧筒800内的空气进行加热，在风机的作用下，被加热的空气进入干衣筒内，以烘干干衣筒内的衣物。
燃烧器100内的燃气从喷口101喷出，并聚集在集气腔113内，点火针200的点火端201延伸至集气腔113内，这样燃气主要在集气腔113内燃烧，产生的火焰沿平行于燃气通道的方向上的长度较短，火焰距离风道入口较远，可避免进入干衣筒内的空气温度过高而损伤衣物。
上述本体可以包括第一连接板110和第二连接板120，第一连接板110与第二连接板120贴合，如图4所示，第一连接板110上设置有第一凹槽111，第一凹槽111背离第二连接板120凹陷。如图5所示，第二连接板120上设置有第二凹槽121，第二凹槽121背离第一连接板110凹陷。继续参照图2，第二凹槽121与第一凹槽111正对，且第二凹槽121和第一凹槽111围设成燃气通道，燃气通道靠近集气腔113的一端形成喷口101，燃气通道远离集气腔113的一端形成进气口102，燃气通道与集气腔113通过喷口101连通，从喷口101喷出的燃气先流向集气腔113内，集气腔113可减少燃气的逃逸量，使从喷口101喷出的燃气可以尽可能地都被点火针200点燃，从而提高了燃气的燃烧效率。
第一连接板110与集气板可以齐平，且第一连接板110与集气板可以一体成型的设置，第一凹槽111与集气腔113位于第二连接板120的同一侧，以使燃烧器100的结构更加简单。
除了上述的燃烧器100的结构之外，燃烧器100还可以为在相关技术中的燃烧器100的基础上焊接集气罩而成，即燃烧器100远离进气口102的一端为半球形喷头，半球形喷头的轴线可以与水平面平行，半球形喷头的表面开设有多个喷口101，各喷口101的朝向各不相同，燃气从喷口101喷出。集气罩内具有集气腔113，点火针200的点火端201延伸至集气腔113内。本实施例中的集气罩可阻隔燃气的逃逸路径，避免燃气逃逸到集气罩背离点火针200的一侧，使从喷口101喷出的燃气可以尽可能地聚集在集气腔113内并被点火针200点燃，从而提高了燃气的燃烧效率。
继续参照图2和图4，在第一连接板110上设置有第一凹槽111和集气腔113的实现方式中，第一凹槽111具有第一导流槽壁112，第一导流槽壁112靠近集气腔113，第一导流槽壁112相对于第一连接板110倾斜的设置，且第一导流槽壁112与进气口102之间的距离从第一凹槽111的槽底向槽口增大，第一凹槽111内的燃气可沿第一导流槽壁112流向喷口101进而流向集气腔113内，第一导流槽壁112使第一凹槽111内的燃气易于流进集气腔113内。
继续参照图2和图5，在第二连接板120上设置有第二凹槽121的实现方式中，第二 凹槽121具有第二导流槽壁122，第二导流槽壁122靠近集气腔113，第二导流槽壁122远离第二凹槽121的槽底的一端与第一导流槽壁112远离第一凹槽111的槽底的一端围成喷口101，第二导流槽壁122相对于第二连接板120倾斜的设置，且第二导流槽壁122与进气口102之间的距离从第二凹槽121的槽底向槽口增大，第二凹槽121内的燃气可沿第二导流槽壁122流向集气腔113内，第二导流槽壁122使第二凹槽121内的燃气易于流进集气腔113内。
继续参照图2，进一步地，第一导流槽壁112远离第一凹槽111的槽底的一端在第一连接板110所在平面上的投影位于第二导流槽壁122在第一连接板110所在平面上的投影内，流过第一导流槽壁112的燃气部分从喷口101流向集气腔113内，另一部分直接流向第二导流槽壁122，并沿第二导流槽壁122流向喷口101进而流向集气腔113，第二导流槽壁122可对来自第一导流槽壁112的燃气进行阻挡，避免燃气流到集气腔113外而发生逃逸，进一步提高了燃气的燃烧效率。
继续参照图5，上述集气腔113可以包括第一侧壁114、第二侧壁115和导流壁116，第一侧壁114与第一连接板110垂直，且第一侧壁114与燃气通道的轴线平行；第二侧壁115与第一侧壁114平行且间隔的设置，第一侧壁114和第二侧壁115通过导流壁116连接，第一侧壁114、第二侧壁115及导流壁116围设成集气腔113，导流壁116靠近喷口101的一端与第一导流槽壁112靠近第二连接板120的一端连接，从喷口101喷出的燃气沿导流壁116流进集气腔113内。
继续参照图2，进一步地，导流壁116在第一侧壁114所在平面上的投影呈圆弧形，也就是说导流壁116呈弧面形，从导流壁116靠近喷口101的一端流向另一端的燃气，在接触到另一端的导流壁116后发生折返，并在集气腔113内形成紊流，使集气腔113内的燃气可以尽可能地都与点火针200接触并被点火针200点燃，以提高燃气的燃烧效率，同时可以使燃气燃烧更充分，降低了一氧化碳的残留，安全性更高，更加节能环保。
继续参照图3，在一些实施例中，点火针200的轴线与第一连接板110所在平面之间的夹角为锐角，点火针200还具有固定端202，固定端202较点火端201更靠近进气口102。点火针200倾斜设置在喷口101外，使点火端201与喷口101正对，这样燃气从喷口101喷出后可以立即点火，可以有效地降低燃气干衣机的点火时间，燃气燃烧产生的热量与湿衣物的交换速度更快，有效提高了衣物的烘干速度。
进一步地，点火针200的轴线与第一连接板110所在平面之间的夹角可以为18°-30°，这样可以增大从喷口101喷出的燃气与点火端201的接触面积，使燃气可以尽可能地被点火针200点燃，以增加燃气的燃烧效率。
在燃烧器100包括第一连接板110和第二连接板120的实现方式中，第二连接板120沿垂直于燃气通道的轴线的两端向上弯折形成弯折板123(如图5所示)，弯折板123与第二连接板120之间围设成插槽，第一连接板110穿设在插槽内(如图6所示)，以对第一连接板110和第二连接板120进行连接。
上述第一连接板110上可以设置有第一连接孔117(如图4所示)，第二连接板120上可以设置有第二连接孔124(如图5所示)，第一连接孔117与第二连接孔124正对，紧固螺栓依次穿过第一连接孔117和第二连接孔124后与安装架300连接(如图6所示)，从而将燃烧器100可拆卸的连接到安装架300上。
继续参照图1，点火针200可以通过固定架400连接到安装架300上，具体的，如图7所示，固定架400包括第一固定板401、第二固定板403以及夹持部，第二固定板403的一端连接第一固定板401，第二固定板403与第一固定板401垂直；第二固定板403的另一端连接夹持部。第一固定板401远离第二固定板403的一端朝向夹持部弯折形成紧固板407，紧固板407与第一固定板401垂直，紧固板407、第一固定板401及第二固定板403形成卡槽。第二固定板403上开设有固定孔404，固定孔404延伸至第一固定板401。如图8所示，安装架300上具有安装板301，安装板301的边缘设置有插块302，插块302穿设在固定孔404内之后，旋转固定架400，使安装板301卡接在卡槽内(如图3和图6所示)，并使第一固定板401与安装板301贴合，以对固定架400与安装架300进行预定位；第一固定板401上可以设置有第三连接孔402，安装板301上可以设置有第四连接孔，第四连接孔与第三连接孔402正对，紧固螺栓穿设在第三连接孔402和第四连接孔内(如图6所示)，以对安装板301和第一固定板401进行固定。
继续参照图7，在一些实施例中，夹持部可以包括第三固定板405，第三固定板405的一端与第二固定板403远离第一固定板401的一端连接，第三固定板405的另一端弯折形成固定环406，点火针200的固定端202穿设在固定环406内，以将点火针200固定连接在固定架400上。
在另一些实施例中，夹持部可以包括固定夹，固定夹可以夹持点火针200的点火端201，以将点火针200固定到固定架400上。
继续参照图1，在一些实施例中，燃气加热装置还可以包括进风筒500，燃烧筒800的一端套设在点火针200及集气腔113的外部，燃烧筒800的另一端向背离燃烧器100的一端延伸，燃烧筒800的筒径沿远离燃烧器100的方向减小。进风筒500套设在燃烧筒800远离燃烧器100的一端的外部，燃烧筒800远离燃烧器100的一端容置在进风筒500内，进风筒500的轴线可以与燃烧筒800的轴线共线，进风筒500的筒径沿远离燃烧器100的方向减小，进风筒500与燃烧筒800之间具有进风间隙501，壳体内的空气从进风间隙501进入进风筒500内，与燃烧筒800内的热空气混合后进入风道内，并从风道流向干衣筒内。
在高功率工况、负载较多或者线屑堵塞风路不畅等情况下会导致燃烧筒800内空气的温度过高，从进风间隙501进入进风筒500内的空气与来自燃烧筒800内的空气混合后进入干衣筒内，以降低进入干衣筒内的空气的温度，避免温度过高时对衣物造成损坏。
继续参照图1，进风筒500与燃烧筒800可以通过第四固定板502连接，第四固定板502可以包括第一板体503、第二板体504及第三板体505，第一板体503与燃烧筒800的外壁贴合，第二板体504的一端与第一板体503的一端连接，第二板体504的另一端与进风筒500连接；第三板体505的一端与第一板体503远离第二板体504的一端连接，第三板体505的另一端与进风筒500连接，从第一板体503向进风筒500的方向上，第二板体504与第三板体505之间的距离逐渐增大，紧固螺栓穿过第一板体503后与燃烧筒800连接，以实现进风筒500与燃烧筒800之间的连接。
如图9所示，在本体包括第一连接板110和第二连接板120的实现方式中，燃烧器100还可以包括助燃空气调节件125，助燃空气调节件125包括转动管126和进气板127，转动管126穿设在燃气通道远离集气腔113的一端，转动管126可以自身轴线为中心在燃气通道内转动，进气板127设置在转动管126远离集气腔113的一端以封堵转动管126，进 气板127与转动管126的轴线垂直，进气板127上可以设置有进气孔128，来自燃气阀600的燃气从进气孔128进入转动管126内，并从转动管126流向燃气通道内。第一凹槽111的槽壁上可以设置有第一调节口129、第一限位孔130及第二限位孔131，转动管126的管壁上可以设置有第二调节口132和第三限位孔133，第三限位孔133、第一限位孔130及第二限位孔131的轴线位于同一垂直于转动管126的轴线的平面内，第三限位孔133用于与第一限位孔130或第二限位孔131正对，第三限位孔133与第一限位孔130或第二限位孔131可以通过紧固螺栓连接。第三限位孔133与第一限位孔130正对时，第一调节口129与第二调节口132的流通面积大于第三限位孔133与第二限位孔131正对时，第一调节口129与第二调节口132的流通面积。
继续参照图5，第二凹槽121的槽壁上可以设置有第三调节口134，第三调节口134可以与第一调节口129正对。转动管126的管壁上还可以设置有第四调节口，第四调节口可以与第二调节口132正对。第三调节口134与第四调节口的流通面积等于第一调节口129与第二调节口132的流通面积，第三限位孔133与第一限位孔130正对时，第三调节口134与第四调节口的流通面积大于第三限位孔133与第二限位孔131正对时，第三调节口134与第四调节口的流通面积。
燃气干衣机所使用的燃气可以为天然气或者液化气，天然气和液化气在燃烧时所需要的助燃空气的量相差很大，燃烧同样体积的天然气和液化气，液化气需要的助燃空气量大于天然气需要的助燃空气量。
如图10和图11所示，当燃气干衣机使用的燃气为液化气时，将转动管126转动至第一限位孔130与第三限位孔133正对，紧固螺栓穿设在第一限位孔130和第三限位孔133内，此时转动管126的管壁并不遮挡第一调节口129和第三调节口134，即第二调节口132与第一调节口129完全正对，且第三调节口134与第四调节口完全正对，此时第一调节口129或第三调节口134与燃气通道之间的流通面积为第一面积。
如图12所示，当燃气干衣机使用的燃气为天然气时，将转动管126转动至第二限位孔131与第三限位孔133正对，紧固螺栓穿设在第二限位孔131和第三限位孔133内，此时转动管126的管壁遮挡部分第一调节口129和第三调节口134，即部分第二调节口132与部分第一调节口129正对，且部分第三调节口134与部分第四调节口正对，此时第一调节口129或第三调节口134与燃气通道之间的流通面积为第二面积，第二面积小于第一面积，以适应天然气燃烧时对助燃空气的需求量。
在需要改变燃气干衣机所使用的燃气时，只需要转动助燃空气调节件125即可改变第一调节口129和第三调节口134与燃气通道之间的流通面积，无需更换燃气阀。
进一步地，第一面积可以为第二面积的三倍，由于燃烧同样体积的天然气和液化气，液化气需要的助燃空气量约为天然气的三倍，因此，将第一面积设置为第二面积的三倍，可以使燃气干衣机在天然气或液化气工况条件下均能达到一个燃气与助燃空气的合理配比。
综上所述，本申请实施例的燃气干衣机包括燃气加热装置，燃气加热装置包括燃烧器100和点火针200，燃烧器100包括本体和集气板，集气板向上凹陷形成集气腔113，本体具有燃烧端，燃烧端设置有喷口101，集气板与燃烧端连接，且集气板位于喷口101的上部，以使从喷口101喷出的燃气可进入集气腔113内；点火针200具有点火端201，点火 端201位于喷口101外，且点火端201延伸至集气腔113内。通过上述设置，从喷口101喷出的燃气先聚集在集气腔113内，集气腔113可避免从喷口101喷出的燃气发生逃逸，以减少燃气的逃逸量，使从喷口101喷出的燃气可以尽可能地都被点火针200点燃，从而提高燃气的燃烧效率。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (10)

  1. 一种燃气加热装置，其特征在于，包括：燃烧器和点火针，所述燃烧器包括本体和集气板，所述集气板向上凹陷形成集气腔，所述本体具有燃烧端，所述燃烧端设置有喷口，所述集气板与所述燃烧端连接，且所述集气板位于所述喷口的上部，以使从所述喷口喷出的燃气可进入所述集气腔内；所述点火针具有点火端，所述点火端位于所述喷口外，且所述点火端延伸至所述集气腔内。
  2. 根据权利要求1所述的燃气加热装置，其特征在于，所述本体包括第一连接板和第二连接板，所述第一连接板与所述第二连接板贴合，所述第一连接板上设置有第一凹槽，所述第一凹槽背离所述第二连接板凹陷；
    所述第二连接板上设置有第二凹槽，所述第二凹槽背离所述第一连接板凹陷，所述第二凹槽与所述第一凹槽正对，且所述第二凹槽和所述第一凹槽围设成燃气通道，所述燃气通道靠近所述集气腔的一端形成所述喷口，所述燃气通道远离所述集气腔的一端形成进气口，所述燃气通道与所述集气腔通过所述喷口连通。
  3. 根据权利要求2所述的燃气加热装置，其特征在于，所述第一凹槽具有第一导流槽壁，所述第一导流槽壁靠近所述集气腔，所述第一导流槽壁相对于所述第一连接板倾斜的设置，且所述第一导流槽壁与所述进气口之间的距离从所述第一凹槽的槽底向槽口增大。
  4. 根据权利要求2或3所述的燃气加热装置，其特征在于，所述第二凹槽具有第二导流槽壁，所述第二导流槽壁靠近所述集气腔，所述第二导流槽壁相对于所述第二连接板倾斜的设置，且所述第二导流槽壁与所述进气口之间的距离从所述第二凹槽的槽底向槽口增大。
  5. 根据权利要求3所述的燃气加热装置，其特征在于，所述集气腔包括第一侧壁、第二侧壁和导流壁，所述第一侧壁与所述第一连接板垂直，且所述第一侧壁与所述燃气通道的轴线平行；所述第二侧壁与所述第一侧壁平行且间隔的设置，所述第一侧壁和所述第二侧壁通过所述导流壁连接，所述第一侧壁、所述第二侧壁及所述导流壁围设成所述集气腔，所述导流壁靠近所述喷口的一端与所述第一导流槽壁靠近所述第二连接板的一端连接。
  6. 根据权利要求5所述的燃气加热装置，其特征在于，所述导流壁在所述第一侧壁所在平面上的投影呈圆弧形。
  7. 根据权利要求2-6任一项所述的燃气加热装置，其特征在于，所述点火针的轴线与所述第一连接板所在平面之间的夹角为锐角，所述点火针还具有固定端，所述固定端较所述点火端更靠近所述进气口。
  8. 根据权利要求2-7任一项所述的燃气加热装置，其特征在于，所述第二连接板沿垂直于所述燃气通道的轴线的两端向上弯折形成弯折板，所述弯折板与所述第二连接板之间围设成插槽，所述第一连接板穿设在所述插槽内。
  9. 根据权利要求1-8任一项所述的燃气加热装置，其特征在于，所述燃气加热装置还包括安装架，所述燃烧器和所述点火针均连接在所述安装架上。
  10. 一种燃气干衣机，其特征在于，包括权利要求1-9任一项所述的燃气加热装置。
PCT/CN2023/074145 2022-02-25 2023-02-01 燃气加热装置及燃气干衣机 WO2023160345A1 (zh)

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