Full-premixing air filter and rain receiving plate structure

Abstract

The embodiment of the invention discloses a full-premixing air filter and rain receiving disc structure which comprises a whole machine shell, a rain receiving disc is installed on the whole machine shell, a smoke outlet is formed in the top of the rain receiving disc, a smoke pipe connector is installed on the smoke outlet in an inserted mode, a first air outlet is formed in the rear side of the rain receiving disc, and a second air outlet is formed in the rear side of the rain receiving disc. A first air outlet is formed in the outer side of the rain receiving disc, a second air outlet is correspondingly formed in the front side of the rain receiving disc, an air outlet pipe is fixedly arranged on the outer side of the second air outlet, an air filter is installed between the first air outlet and the second air outlet in an inserted mode, a temperature sensing bulb installation hole is formed in the outer wall of the rain receiving disc, and a temperature sensing bulb is installed in the temperature sensing bulb installation hole. A water outlet is formed in the bottom of the rainwater collecting cavity, and the water outlet is formed in the inclined bottom end of the rainwater collecting cavity. The full-premixing air filter and the rain receiving disc structure have the advantages that after-sales personnel or users can conveniently disassemble and clean the filter and the rain receiving disc structure, dust and large materials in air are effectively filtered, fire holes of a combustor are prevented from being blocked, the risk that gaps of coil pipes of a heat exchanger are blocked is effectively reduced, the service life of the whole machine is prolonged, and the fault occurrence rate is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of air filters, and in particular to a full premixed air filter and a rain receiving tray structure. Background Art

[0002] Currently, the fully premixed condensing gas heating water boilers on the market mix air and gas and send them into the burner for combustion. However, the actual air contains a lot of dust, wind and sand, and there are more catkins in the north in spring. After the machine has been running for a long time, the burner fire hole may be blocked, and the gap between the heat exchanger coil may be blocked, causing the whole machine to operate abnormally and fail to work properly, or causing corrosion of the heat exchanger and reduced efficiency, thereby reducing the overall service life. The air filter structure on the market is relatively large, and some are installed in the smoke pipe position on the outside of the whole machine. Due to the limited installation location in the user's home, it is not easy to disassemble and clean.

[0003] Therefore, we proposed a full premixed air filter and a rain tray structure to solve the above problems. Summary of the invention

[0004] The technical problem to be solved by the embodiments of the present invention is that there are more dust, sand, and more catkins in the air in the north in spring. After the machine has been running for a long time, the burner fire hole may be blocked, and the gap between the heat exchanger coils may be blocked, causing the whole machine to operate abnormally and fail to work normally, or cause corrosion of the heat exchanger and reduce efficiency, thereby reducing the overall service life. The air filter structure on the market is relatively large, and some are installed in the smoke pipe position outside the whole machine. Due to the limited installation location in the user's home, it is not easy to disassemble and clean.

[0005] In order to solve the above problems, an embodiment of the present invention provides a full premixed air filter and rain collecting pan structure, including a complete machine shell, a rain collecting pan is installed on the complete machine shell, a smoke exhaust port is installed on the top of the rain collecting pan, a smoke pipe joint is installed on the smoke exhaust port, a first air outlet is provided on the rear side of the rain collecting pan, a second air outlet is correspondingly provided on the front side of the rain collecting pan, an air outlet pipe is fixedly provided on the outer side of the second air outlet, an air filter is installed between the first air outlet and the second air outlet, a temperature sensing package installation hole is provided on the outer wall of the rain collecting pan, a temperature sensing package is installed in the temperature sensing package installation hole, a drain outlet is installed on the bottom of the rainwater collecting chamber, and the drain outlet is installed at the inclined bottom end of the rainwater collecting chamber.

[0006] Optionally, a plurality of screw fixing holes are provided on the top edge of the rain collecting pan, and the whole machine housing and the rain collecting pan are fixed by screws.

[0007] Optionally, a first sealing strip is fixedly provided on the front and rear sides of the top of the rain receiving tray, and a second sealing strip is fixedly provided on the left and right sides of the top of the rain receiving tray.

[0008] Optionally, a flow channel is provided on one side of the inner bottom of the rain receiving pan, the smoke exhaust port is installed on the flow channel, and a rainwater collection chamber is provided on the other side of the inner bottom of the rain receiving pan.

[0009] Optionally, the flow channel is arranged to be inclined, the inclination angle of the flow channel is greater than 1 degree, and the bottom of the rainwater collection chamber also has an inclination angle.

[0010] Optionally, the smoke exhaust port is installed and connected with a sealing ring, and the smoke pipe joint forms a seal with the sealing ring.

[0011] Optionally, a mounting block is fixedly provided at the outer end of the air filter, and air filter mounting holes are correspondingly provided on the air outlet pipe and the mounting block outside the air filter.

[0012] Optionally, a through hole is provided on a side wall of the mounting block, the through hole is communicated with the second air outlet, and nut mounting holes are respectively provided on both sides of the air outlet pipe, and nuts are inserted and installed in the nut mounting holes.

[0013] Optionally, the nut is interference fit with the nut mounting hole, and bolts are provided on the outside of the air filter, and the bolts pass through the air filter mounting hole and are mounted with the nut.

[0014] Optionally, the filter mesh on the air filter is a stainless steel mesh or an air filter element or a sponge, and the mesh number of the stainless steel mesh is 20-100 meshes.

[0015] Compared with the prior art, the technical effects achieved by the embodiments of the present invention include:

[0016] The embodiment of the present invention provides structures such as air filter, temperature sensing package installation hole and smoke pipe joint, and the air filter is inserted into the first air outlet and the second air outlet. When air comes in from the outer pipe of the smoke pipe joint, it is efficiently filtered through the filter mesh on the air filter, and then enters the interior of the whole machine shell through the first air outlet and the second air outlet, effectively filtering dust and large substances in the air, avoiding clogging of the burner fire hole, effectively reducing the risk of clogging of the heat exchanger coil gap, increasing the service life of the whole machine, and reducing the occurrence rate of failures. A temperature sensing package installation hole is also provided on the water receiving tray, and the temperature sensing package is inserted and installed into the temperature sensing package installation hole and rotated. The temperature sensing package senses the external air temperature in real time. When the air temperature is relatively cold, the data is sent to the main board. When the main board receives the temperature data, it adjusts and sets the high combustion temperature to ensure that the indoor temperature is constant. On the contrary, when the outdoor ambient temperature rises, the main board sends low temperature parameters for whole machine combustion, thereby realizing the functions of energy saving, intelligent adjustment and indoor constant temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0019] One or more embodiments are exemplarily described by pictures in the corresponding drawings, and these exemplified descriptions do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings represent similar elements, and unless otherwise stated, the figures in the drawings do not constitute proportional limitations.

[0020] Figure 1 It is a schematic diagram of the general assembly structure of the air filter and the rain receiving tray provided by the present invention.

[0021] Figure 2 It is a schematic diagram of the removal direction of the air filter provided by the present invention.

[0022] Figure 3 It is a schematic diagram of air flow provided by the present invention.

[0023] Figure 4 It is a structural schematic diagram of the rain receiving tray provided by the present invention.

[0024] Figure 5 It is a front view of the rain receiving tray provided by the present invention.

[0025] Figure 6 It is a schematic diagram of rainwater flow provided by the present invention.

[0026] Figure 7 It is a schematic diagram of the structure of the whole machine housing provided by the present invention.

[0027] Reference numerals

[0028] 1. Rain collecting tray; 2. First air outlet; 3. Second air outlet; 4. Nut; 5. Air filter mounting hole; 6. Nut mounting hole; 7. Temperature sensing package mounting hole; 8. Screw fixing hole; 9. Smoke exhaust port; 10. Drain port; 11. Smoke pipe joint; 12. Air filter; 13. Bolt; 14. Temperature sensing package; 15. First sealing strip; 16. Second sealing strip; 17. Sealing ring; 18. Air outlet; 19. Mounting block; 20. Through hole; 21. Machine housing; 22. Screw; 23. Flow channel; 24. Rainwater collection chamber. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Similar component numbers in the drawings represent similar components. Obviously, the embodiments described below 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 ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0031] It should also be understood that the terms used in this description of the embodiments of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the embodiments of the present invention. As used in the description of the embodiments of the present invention and the appended claims, unless the context clearly indicates otherwise, the singular forms of "a", "an" and "the" are intended to include plural forms.

[0032] See also Figure 1-7 The present invention provides a full premixed air filter and a rain receiving tray structure, including an entire machine housing 21, a rain receiving tray 1 is installed on the entire machine housing 21, a smoke outlet 9 is installed on the top of the rain receiving tray 1, a smoke pipe joint 11 is installed on the smoke outlet 9, a first air outlet 2 is arranged on the rear side of the rain receiving tray 1, a second air outlet 3 is correspondingly arranged on the front side of the rain receiving tray 1, an air outlet pipe 18 is fixedly arranged on the outer side of the second air outlet 3, an air filter 12 is installed between the first air outlet 2 and the second air outlet 3, a temperature sensing package mounting hole 7 is arranged on the outer wall of the rain receiving tray 1, a temperature sensing package 14 is installed in the temperature sensing package mounting hole 7, a drain outlet 10 is installed at the bottom of the rainwater collecting chamber 24, and the drain outlet 10 is installed at the inclined bottom end of the rainwater collecting chamber 24, the filter screen on the air filter 12 is a stainless steel screen or an air filter element or a sponge, and the stainless steel mesh number is 20-100 meshes, which can be replaced according to the actual use effect, and the air filter is inserted into the first air outlet 2 and the second air outlet 3.

[0033] In the present invention, when air comes in from the outer pipe of the smoke pipe joint 11, it is efficiently filtered through the filter mesh on the air filter 12, and then enters the interior of the whole machine housing 21 through the first air outlet 2 and the second air outlet 3, effectively filtering dust and large matter in the air, avoiding clogging of the burner fire hole, effectively reducing the risk of clogging of the heat exchanger coil gap, increasing the service life of the whole machine, and reducing the failure rate. A temperature sensing package installation hole 7 is also provided on the water receiving tray 1. The temperature sensing package is inserted into the temperature sensing package installation hole 7 and rotated 90 degrees. The temperature sensing package senses the external air temperature in real time. When the air temperature is relatively cold, the data is sent to the main board. When the main board receives the temperature data, it adjusts and sets a high combustion temperature to ensure that the indoor temperature is constant. On the contrary, when the outdoor ambient temperature rises, the main board sends low temperature parameters for whole machine combustion, thereby realizing energy saving, intelligent adjustment, and indoor constant temperature functions.

[0034] Please continue reading Figure 1-7 The top edge of the rain receiving pan 1 of the present invention is provided with a plurality of screw fixing holes 8, the whole machine housing 21 and the rain receiving pan 1 are fixed by screws 22, the first sealing strips 15 are fixedly provided on the front and rear sides of the top of the rain receiving pan 1, and the second sealing strips 16 are fixedly provided on the left and right sides of the top of the rain receiving pan 1, the rain receiving pan 1 with the first sealing strip 15 and the second sealing strip 16 are fitted with the whole machine housing 21, and fixed with the screw fixing holes 8 on the water receiving pan 1 by screws 22, the first sealing strip 15 and the second sealing strip 16 mainly prevent the outside air from leaking from the installation surface of the rain receiving pan 1 at the smoke outlet and entering the burner for combustion.

[0035] Please continue reading Figure 1-6 A flow channel 23 is provided on one side of the bottom of the rain receiving pan 1, and the smoke exhaust port 9 is installed on the flow channel 23. A rainwater collecting chamber 24 is provided on the other side of the bottom of the rain receiving pan 1. The flow channel 23 is inclined, and the inclination angle of the flow channel 23 is greater than 1 degree. The bottom of the rainwater collecting chamber 24 also has an inclination angle. The smoke exhaust port 9 is installed and connected with the sealing ring 17, and the smoke pipe joint 11 forms a seal with the sealing ring 17. The flow channel 23 on the right side of the rain receiving pan 1 has a certain inclination angle, which is convenient for external rainwater to fall onto the water receiving pan 1 and smoothly flow into the left rainwater collecting chamber 24. The bottom of the rainwater collecting chamber 14 also has an inclination angle, and a flow channel is provided to facilitate rainwater to be smoothly discharged from the drain port 10. At the same time, the sealing ring 17 is installed and connected with the smoke exhaust port 9, and the smoke pipe joint 11 is inserted into the smoke exhaust port 9 and forms a seal with the sealing ring 17 to prevent external air from directly entering the burner from the smoke exhaust port 9 for combustion, and to prevent a small amount of external rainwater from flowing into the inside of the whole machine housing 21 along the outer wall of the smoke pipe joint 11 to damage electrical components.

[0036] Please continue reading Figure 1-6A mounting block 19 is fixedly provided at the outer end of the air filter 12, and air filter mounting holes 5 are correspondingly provided on the air outlet pipe 18 and the mounting block 19 outside the air filter 12. A through hole 20 is provided on the side wall of the mounting block 19, and the through hole 20 is communicated with the second air outlet 3. Nut mounting holes 6 are respectively provided on both sides of the air outlet pipe 18, and nuts 4 are inserted and installed in the nut mounting holes 6. The nuts 4 and the nut mounting holes 6 are interference fit. Bolts 13 are provided on the outside of the air filter 12, and the bolts 13 pass through the air filter mounting holes 5 to be installed with the nuts 4. The nuts 4 are inserted into the nut mounting holes 6 and installed as interference connection to prevent the nut 4 from falling off. Finally, the bolts 13 pass through the air filter mounting holes 5 to be connected with the nut 4. When the air filter 12 is to be disassembled, the bolts 13 are directly removed and the air filter 12 is pulled out, which is convenient for after-sales personnel or users to disassemble and clean.

[0037] Compared with the prior art, the technical effects achieved by the embodiments of the present invention include:

[0038] The embodiment of the present invention provides structures such as air filter, temperature sensing package installation hole and smoke pipe joint, and the air filter is inserted into the first air outlet and the second air outlet. When air comes in from the outer pipe of the smoke pipe joint, it is efficiently filtered through the filter mesh on the air filter, and then enters the interior of the whole machine shell through the first air outlet and the second air outlet, effectively filtering dust and large substances in the air, avoiding clogging of the burner fire hole, effectively reducing the risk of clogging of the heat exchanger coil gap, increasing the service life of the whole machine, and reducing the occurrence rate of failures. A temperature sensing package installation hole is also provided on the water receiving tray, and the temperature sensing package is inserted and installed into the temperature sensing package installation hole and rotated. The temperature sensing package senses the external air temperature in real time. When the air temperature is relatively cold, the data is sent to the main board. When the main board receives the temperature data, it adjusts and sets the high combustion temperature to ensure that the indoor temperature is constant. On the contrary, when the outdoor ambient temperature rises, the main board sends low temperature parameters for whole machine combustion, thereby realizing the functions of energy saving, intelligent adjustment and indoor constant temperature.

[0039] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0040] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be connected, detachably connected, or integrated; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification.

[0045] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0046] The above is a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A fully premixed air filter and rain tray structure, characterized in that: The invention comprises a complete machine casing, wherein a rain collecting pan is installed on the complete machine casing, a smoke exhaust port is installed on the top of the rain collecting pan, a smoke pipe joint is installed on the smoke exhaust port, a first air outlet is arranged on the rear side of the rain collecting pan, a second air outlet is correspondingly arranged on the front side of the rain collecting pan, an air outlet pipe is fixedly arranged on the outer side of the second air outlet, an air filter is installed between the first air outlet and the second air outlet, a temperature sensing package installation hole is arranged on the outer wall of the rain collecting pan, a temperature sensing package is installed in the temperature sensing package installation hole, a drain port is installed on the bottom of the rainwater collecting chamber, and the drain port is installed at the inclined bottom end of the rainwater collecting chamber.

2. A fully premixed air filter and rain tray structure according to claim 1, characterized in that: The top edge of the rain receiving tray is provided with a plurality of screw fixing holes, and the whole machine housing and the rain receiving tray are fixed by screws.

3. A fully premixed air filter and rain tray structure according to claim 2, characterized in that: The front and rear sides of the top of the rain receiving tray are respectively fixedly provided with first sealing strips, and the left and right sides of the top of the rain receiving tray are respectively fixedly provided with second sealing strips.

4. A fully premixed air filter and rain tray structure according to claim 3, characterized in that: A flow channel is arranged on one side of the inner bottom of the rain receiving pan, the smoke exhaust port is installed on the flow channel, and a rainwater collecting chamber is arranged on the other side of the inner bottom of the rain receiving pan.

5. A fully premixed air filter and rain tray structure according to claim 4, characterized in that: The flow channel is arranged to be inclined, and the inclination angle of the flow channel is greater than 1 degree, and the bottom of the rainwater collection chamber also has an inclination angle.

6. A fully premixed air filter and rain tray structure according to claim 5, characterized in that: The smoke exhaust port is installed and connected with the sealing ring, and the smoke pipe joint and the sealing ring form a seal.

7. A fully premixed air filter and rain tray structure according to claim 6, characterized in that: A mounting block is fixedly arranged at the outer end of the air filter, and air filter mounting holes are correspondingly arranged on the air outlet pipe and the mounting block outside the air filter.

8. A fully premixed air filter and rain tray structure according to claim 7, characterized in that: The side wall of the mounting block is provided with a through hole, the through hole is communicated with the second air outlet, and nut mounting holes are respectively opened on both sides of the air outlet pipe, and nuts are inserted and installed in the nut mounting holes.

9. A fully premixed air filter and rain tray structure according to claim 8, characterized in that: The nut is interference-fitted with the nut mounting hole, and bolts are arranged on the outer side of the air filter. The bolts pass through the air filter mounting hole and are mounted with the nut.

10. A fully premixed air filter and rain tray structure according to claim 9, characterized in that: The filter screen on the air filter is a stainless steel screen or an air filter element or a sponge, and the mesh number of the stainless steel screen is 20 to 100 meshes.

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