Combustion tube, clothes drying equipment heating device and clothes drying equipment

Abstract

The present invention belongs to the technical field of clothes drying, and discloses a combustion barrel, a clothes drying equipment heating device, and clothes drying equipment. The combustion barrel is provided with an inlet end and an outlet end, and a plurality of guide plates pointing from the inner wall to the center are provided on the inner peripheral wall of the inlet end, which are used to introduce external gas into the combustion barrel. The clothes drying equipment heating device comprises the above-mentioned combustion barrel, the outlet end of the combustion barrel is fixed on the support plate, the inlet end of the combustion barrel is provided with a burner and an ignition needle, which are used to heat the gas in the combustion barrel, and the tail of the burner is provided with a gas valve, which is used to control the on and off of the gas in the burner. The clothes drying equipment comprises the above-mentioned clothes drying equipment heating device. The present invention can guide the air passing through the combustion barrel by providing a guide plate structure on the inner wall of the inlet end of the combustion barrel, so that the airflow passes through the combustion barrel evenly and smoothly, avoiding the occurrence of turbulence, and improving the stability of flame combustion and the drying efficiency of the clothes drying equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of clothes drying, and in particular to a combustion cylinder, a clothes drying equipment heating device and clothes drying equipment. Background Art

[0002] The heating device of an existing gas-fired clothes dryer generally includes a burner, an ignition needle, a combustion chamber, and a gas valve, wherein the combustion chamber is provided with a gas inlet and outlet, and the combustion process of the gas is usually carried out in the inlet of the combustion chamber. When the clothes dryer is started, under the action of negative pressure, air will flow in irregularly from the inlet of the combustion chamber, and with the flow of air, turbulence and vortexes will be formed near the inlet of the combustion chamber; after the ignition is successful, when the flame begins to burn, the flame will shake irregularly under the action of turbulence, resulting in unstable and irregular combustion of the flame. This combustion instability has a great impact on the drying efficiency of the clothes dryer, and will also cause the thermostat and temperature protector of the combustion chamber to trip abnormally, thereby affecting the normal use of the user.

[0003] Therefore, how to avoid unstable flame combustion in the heating device and thus improve the drying efficiency of the clothes drying device has become a problem that needs to be solved by those skilled in the art. Summary of the invention

[0004] An object of the present invention is to provide a combustion tube which can effectively reduce airflow disturbance, improve flame combustion stability and drying efficiency of clothes drying equipment.

[0005] Another object of the present invention is to provide a heating device for clothes drying equipment, which includes the combustion tube as described above.

[0006] Another object of the present invention is to provide a clothes drying device, which comprises the clothes drying device heating device as described above.

[0007] To achieve the first purpose, the present invention adopts the following technical solution: a combustion tube, used in the heating device of the clothes drying equipment, the combustion tube is provided with an inlet end and an outlet end, and the inner peripheral wall of the inlet end is provided with a plurality of guide plates pointing from the inner wall to the center, which are used to introduce external gas into the combustion tube.

[0008] Preferably, the combustion tube is in a conical shape, and its diameter gradually decreases from the inlet end to the outlet end.

[0009] Preferably, each of the guide plates is evenly spaced apart along the inner circumferential wall of the combustion tube with the central axis of the combustion tube as the center.

[0010] Preferably, the guide plates have the same shape and structure.

[0011] Preferably, the guide plate is L-shaped, including a longitudinal plate and a transverse plate, wherein the transverse plate is fixedly connected to the inner wall of the combustion tube, and the longitudinal plate is used to guide the gas. Further, the transverse plate is fixed to the inner wall of the combustion tube by screws.

[0012] Preferably, the guide plate is a bent plate or a curved plate.

[0013] Preferably, the guide plate and the combustion tube are an integrally formed structure.

[0014] To achieve another purpose, the present invention provides a drying equipment heating device, which includes a combustion tube as described in any of the above schemes, wherein the outlet end of the combustion tube is fixed to a support plate, and the inlet end of the combustion tube is provided with a burner and an ignition needle for heating the gas in the combustion tube, and a gas valve is provided at the tail end of the burner for controlling the on and off of the gas in the burner.

[0015] Preferably, the central axis of the ignition needle is parallel to the central axis of the burner, and the ends of the burner and the ignition needle both extend into the interior of the combustion tube.

[0016] Preferably, an air inlet channel is provided in the support plate, one end of the air inlet channel is connected to the outlet end of the combustion tube, and the other end is connected to the roller air inlet on the support plate.

[0017] Preferably, a flame detector and a thermostat are installed on the outer wall of the combustion tube near the inlet end.

[0018] To achieve another object, the present invention further provides a clothes drying device, which includes the clothes drying device heating device as described in any of the above schemes.

[0019] The beneficial effects of the present invention are:

[0020] The present invention can guide the air passing through the combustion tube by arranging a plurality of guide plate structures on the inner wall of the inlet end of the combustion tube, so that the airflow passes through the combustion tube evenly and smoothly, thereby improving the stability of flame combustion and the drying efficiency of the clothes drying equipment. On the other hand, after the flame combustion is stable, the control accuracy of the thermostat and the temperature protector on the combustion tube is also improved, avoiding malfunction or non-operation caused by unstable flame combustion, and increasing the safety and convenience of the use of the clothes drying equipment. The present invention effectively solves the problem of unstable flame combustion in the heating device of the gas-fired clothes drying equipment, making the airflow through the heating device smoother and avoiding the occurrence of turbulence. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.

[0022] Figure 1 is a schematic structural diagram of a clothes drying equipment heating device provided in an embodiment of the present invention;

[0023] Figure 2 yes Figure 1 Schematic diagram of the structure after removing the support plate;

[0024] Figure 3 It is a schematic diagram of the main structure of the heating tube provided in an embodiment of the present invention.

[0025] In the figure:

[0026] 1-combustion cylinder; 11-inlet end; 12-outlet end; 2-support plate; 21-drum air inlet; 3-burner; 4-ignition needle; 5-guide plate; 51-vertical plate; 52-horizontal plate; 6-flame detector; 7-thermostat; 8-gas valve. DETAILED DESCRIPTION

[0027] In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

[0028] like Figure 1-Figure 3 As shown, this embodiment provides a combustion tube, a clothes drying equipment heating device and a clothes drying equipment to solve the problem that the flame combustion in the existing clothes drying equipment heating device is unstable, which affects the drying efficiency.

[0029] The combustion tube 1 of this embodiment is provided with a combustion chamber for burning gas to heat the airflow. The two ends of the combustion tube 1 are respectively an inlet end 11 and an outlet end 12. The inner peripheral wall of the inlet end 11 is provided with a plurality of guide plates 5 pointing from the inner wall to the center, which are used to introduce external gas into the combustion tube 1. Due to the presence of the above-mentioned guide plates 5, the airflow at the inlet end 11, which is originally in a turbulent state, can flow smoothly into the combustion tube 1, thereby effectively preventing the occurrence of unstable and irregular shaking of the flame in the combustion tube 1. Specifically, the shape of the above-mentioned combustion tube 1 is conical, and its diameter gradually decreases from the inlet end 11 to the outlet end 12. Since the inlet end 11 of the combustion tube 1 is provided with a burner 3, an ignition needle 4 and other devices, increasing the area of ​​the inlet end 11 can effectively increase the airflow entering the combustion tube 1, ensuring that sufficient hot airflow is continuously introduced into the clothes drying device to achieve efficient drying of clothes. Of course, the shape of the cross section of the combustion tube 1 here is not limited to a circle, and it can also be a rectangle, a rhombus, an octagon, an ellipse or other regular or irregular shapes.

[0030] Furthermore, the guide plates 5 are evenly spaced along the inner wall of the combustion tube 1 with the central axis of the combustion tube 1 as the center. The evenly distributed guide plates 5 evenly divide the airflow channel at the inlet end 11, so that the airflow between every two guide plates 5 is relatively balanced, thereby better improving the flow state of the gas and avoiding the influence of turbulence on the combustion flame. Preferably, the shape and structure of the guide plates 5 are the same, for example, the guide plates 5 are all set to a flat plate structure, or a bent plate structure, or a curved plate structure. The same guide plate 5 structure ensures that the airflow in each airflow sub-channel is equal, further optimizes the flow channel structure, and makes the flame ejected from the burner 3 burn more stably and reliably.

[0031] Preferably, the guide plate 5 in this embodiment is L-shaped, including a longitudinal plate 51 and a transverse plate 52, wherein the transverse plate 52 is used to be fixedly connected to the inner wall of the combustion tube 1, and the longitudinal plate 51 is used to guide the gas. Specifically, the transverse plate 52 can be fixed to the inner wall of the combustion tube 1 by screws, which is convenient for processing, simple for installation and disassembly, and is conducive to the replacement of the guide plate 5. In addition, the guide plate 5 can also be made into an integrated structure with the combustion tube 1 to increase the strength and service life of the guide plate 5.

[0032] This embodiment also provides a drying equipment heating device, which includes the combustion tube 1 as described above, and the outlet end 12 of the combustion tube 1 is fixed on the support plate 2, and the inlet end 11 of the combustion tube 1 is provided with a burner 3 and an ignition needle 4 for heating the gas in the combustion tube 1, and the tail of the burner 3 is provided with a gas valve 8 for controlling the on and off of the gas in the burner 3. Specifically, the central axis of the ignition needle 4 is parallel to the central axis of the burner 3, and the ends of the burner 3 and the ignition needle 4 are both extended into the combustion tube 1. This arrangement can make the gas ejected from the burner 3 quickly reach the vicinity of the ignition needle 4, so that the gas is quickly ignited, and the reliability of the use of the heating device is ensured.

[0033] Furthermore, an air inlet channel is provided in the support plate 2, one end of which is connected to the outlet end 12 of the combustion tube 1, and the other end is connected to the drum air inlet 21 on the support plate 2. During operation, the airflow passes through the combustion tube 1 and is heated by the burner 3, then flows to the drum air inlet 21 through the air inlet channel, and then enters the drum of the clothes drying device to dry the clothes to be dried.

[0034] Preferably, the clothes drying equipment heating device also includes a flame detector 6, which is arranged on the outer wall of the combustion tube 1 near the inlet end 11, and is used to detect the temperature of the ignition needle 4 and send a temperature signal to the controller. After receiving the temperature signal, the controller can control the gas valve 8 to open and spray gas. In addition, the clothes drying equipment heating device also includes a thermostat 7 and a temperature protector, which are also arranged on the outer wall of the combustion tube 1 near the inlet end 11, and are used to monitor the temperature in the combustion tube 1 in real time to prevent excessive temperature from causing damage to clothes or excessive temperature from affecting drying efficiency.

[0035] This embodiment also provides a clothes drying device, which includes the clothes drying device heating device as described above. The working principle of the present invention is as follows: after the clothes drying device is started, the surface temperature of the ignition needle 4 gradually increases under the action of the current, and when the flame detector 6 detects that the temperature of the ignition needle 4 reaches the ignition temperature, the gas valve 8 opens, and the gas is ejected from the nozzle of the gas valve 8, passes through the burner 3, and reaches the vicinity of the ignition needle 4, so that the ignition is successful and burns in the combustion chamber of the combustion tube 1.

[0036] The present invention can guide the air passing through the combustion tube 1 by arranging a plurality of guide plates 5 on the inner wall of the inlet end 11 of the combustion tube 1, so that the airflow passes through the combustion tube 1 evenly and smoothly, thereby improving the stability of the flame combustion and the drying efficiency of the clothes drying equipment. On the other hand, after the flame combustion is stable, the control accuracy of the thermostat 7 and the temperature protector on the combustion tube 1 is also improved, avoiding malfunction or non-operation caused by unstable flame combustion, and increasing the safety and convenience of the use of the clothes drying equipment. The present invention effectively solves the problem of unstable flame combustion in the heating device of the gas-fired clothes drying equipment, making the airflow through the heating device smoother and avoiding the occurrence of turbulence.

[0037] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A combustion tube, characterized in that: The combustion tube (1) is provided with an inlet end (11) and an outlet end (12). The inner peripheral wall of the inlet end (11) is provided with a plurality of guide plates (5) pointing from the inner wall to the center, for introducing external gas into the combustion tube (1).

2. The combustion tube according to claim 1, characterized in that: The combustion tube (1) is in the shape of a cone, and its diameter gradually decreases from the inlet end (11) to the outlet end (12).

3. The combustion tube according to claim 2, characterized in that: Each of the guide plates (5) is evenly spaced and distributed along the inner circumferential wall of the combustion tube (1) with the central axis of the combustion tube (1) as the center.

4. The combustion tube according to any one of claims 1 to 3, characterized in that: The shape and structure of each guide plate (5) are the same.

5. The combustion tube according to claim 4, characterized in that: The guide plate (5) is L-shaped and comprises a longitudinal plate (51) and a transverse plate (52), wherein the transverse plate (52) is fixedly connected to the inner wall of the combustion tube (1), and the longitudinal plate (51) is used to guide the gas.

6. The combustion tube according to claim 4, characterized in that: The guide plate (5) is a bent plate or a curved plate.

7. The combustion tube according to claim 4, characterized in that: The guide plate (5) and the combustion cylinder (1) are an integrally formed structure.

8. A clothes drying equipment heating device, characterized in that: It comprises a combustion tube (1) as described in any one of claims 1 to 7, wherein the outlet end (12) of the combustion tube (1) is fixed on a support plate (2), the inlet end (11) of the combustion tube (1) is provided with a burner (3) and an ignition needle (4) for heating the gas in the combustion tube (1), and the tail end of the burner (3) is provided with a gas valve (8) for controlling the on and off of the gas in the burner (3).

9. The clothes drying equipment heating device according to claim 8, characterized in that: A flame detector (6) and a thermostat (7) are installed on the outer wall of the combustion tube (1) near the inlet end (11).

10. A clothes drying device, characterized in that: The drying equipment comprises the heating device of claim 8 or 9.

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