Atomization device and condensation type gas water heater
By employing a dual-sensor design in the atomizing device to control its start and stop, the problems of low integration and frequent start-stop are solved, extending service life and reducing maintenance costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGDONG VANWARD NEW ELECTRIC CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-05-05
AI Technical Summary
Existing atomizing devices have low integration and frequent start-stop cycles, which affects their lifespan and increases maintenance costs.
The device employs a dual-sensor design, with the first and second sensors spaced apart along the column axis to control the start and stop of the atomizing device, forming an interval zone to reduce frequent start and stop. The sensors are integrated into the housing.
Reduce the frequency of starting and stopping the atomizing device, extend its service life, and lower the maintenance cost of condensing gas water heaters.
Smart Images
Figure CN224195083U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of atomization technology, and in particular to an atomizing device and a condensing gas water heater. Background Technology
[0002] Currently, atomizing devices are also used in condensing gas water heaters. In condensing gas water heaters, air and gas are mixed and burned to form flue gas. The flue gas flows through the main heat exchanger and then exchanges heat with the condensing heat exchanger. The flue gas is then discharged. At this time, the condensed water produced by the condensing heat exchanger enters the atomizing chamber where the atomizing device is located and is atomized by the atomizing device. The atomized water mist is discharged along with the flue gas.
[0003] Existing atomizing devices generally use a water level sensing principle to control their start and stop. These devices typically incorporate a sensor within the atomizing chamber to detect the water level. When the condensate level in the atomizing chamber reaches or exceeds the sensor, the atomizing device activates; when the condensate level falls below the sensor, it stops atomizing. This technology presents the following problems: 1. Placing the sensor within the atomizing chamber reduces the integration of the atomizing device; 2. Frequent fluctuations in the condensate level around the sensor cause frequent start-stop cycles, subjecting the internal circuitry to varying degrees of overvoltage or overcurrent impacts during these cycles, thus affecting the device's lifespan and increasing the maintenance costs of condensing gas water heaters. Utility Model Content
[0004] One of the technical problems solved by this utility model is to provide an atomizing device that can effectively solve the problems of low integration and frequent start-stop of the atomizing device;
[0005] The second technical problem solved by this utility model is to provide a condensing gas water heater that extends its service life and reduces maintenance costs.
[0006] The first technical problem mentioned above is solved by the following technical solution:
[0007] An atomizing device comprising:
[0008] A housing, on which columns are provided;
[0009] A first sensor and a second sensor are arranged at an axial distance along the column; the first sensor is located above the second sensor along the height direction of the housing; the first sensor and the second sensor are used to generate a water level detection signal.
[0010] When the first sensor generates a water level signal, the atomizing device starts atomizing; when the second sensor generates a water level signal, the atomizing device stops atomizing.
[0011] The atomizing device described in this utility model, applied to a condensing gas water heater, has the following advantages compared to the prior art:
[0012] When condensate gradually accumulates and the condensate level rises to the position of the second sensor, generating a water level detection signal, the atomizing device does not start. However, when the condensate level rises to the position of the first sensor, generating a water level detection signal, the atomizing device starts atomizing and consumes condensate. When the condensate level drops back to the position of the second sensor, generating a water level detection signal, the atomizing device stops atomizing until condensate re-accumulates to a level that triggers a water level detection signal from the first sensor, at which point atomizing will restart. This atomizing device creates an interval between the first and second sensors, thereby reducing the frequency of starting and stopping the atomizing device and extending its service life. Furthermore, the integration of the first and second sensors for sensing condensate on the housing further enhances integration.
[0013] In some embodiments, the first and second sensors are Hall elements; a floating magnet is movably sleeved on the column, and the floating magnet can rise and fall along the height direction of the column as the water level changes.
[0014] In some embodiments, a blocking element is provided at the end of the column away from the housing to prevent the floating magnet from detaching from the column.
[0015] In some embodiments, the blocking element is detachably mounted on the column;
[0016] And / or, the column is detachably mounted on the housing.
[0017] In some embodiments, the first sensor and the second sensor are embedded within the column; or...
[0018] The first sensor and the second sensor are mounted on the surface of the column.
[0019] In some embodiments, the floating magnet includes an annular levitation shell with a magnetic ring disposed inside the levitation shell.
[0020] In some embodiments, the first and second sensors are water level sensors.
[0021] In some embodiments, the height difference between the first sensor and the second sensor along the height direction of the housing is 10±2mm.
[0022] In some embodiments, the atomizing device further includes a third sensor located below the second sensor along the height direction of the housing; the third sensor is used to generate a water level detection signal, and when the third sensor generates a water level detection signal, the atomizing device can stop atomizing.
[0023] The second technical problem mentioned above is solved by the following technical solution:
[0024] A condensing gas water heater includes a condensing chamber and an atomizing chamber that are connected to each other. A condensing heat exchanger is installed in the condensing chamber, and an atomizing device as described above is installed in the atomizing chamber.
[0025] Compared with the prior art, the condensing gas water heater of this utility model has the following advantages: the condensing gas water heater adopts the above-mentioned atomizing device, which can reduce the frequent start and stop of the atomizing device, thereby extending its service life and reducing the maintenance cost of the condensing gas water heater. Attached Figure Description
[0026] Figure 1 A schematic diagram of the atomizing device provided by this utility model;
[0027] Figure 2 This is a schematic diagram showing that the third sensing element in this utility model is located on the column and outside the housing;
[0028] Figure 3 This is a schematic diagram showing that the third sensing element in this utility model is located on the column and inside the housing;
[0029] Figure 4 This is a schematic diagram showing the third sensing element located on the housing in this utility model.
[0030] Figure 5 This is a schematic diagram of the condensing heat exchange device in the condensing gas water heater provided by this utility model.
[0031] Label Explanation:
[0032] 10. Atomizing device;
[0033] 1. Housing; 2. Column; 3. First sensor; 4. Second sensor; 5. Floating magnet; 6. Blocking element; 7. Third sensor; 8. Controller;
[0034] 20. Condensation chamber;
[0035] 30. Atomizing chamber;
[0036] 40. Condensing heat exchanger. Detailed Implementation
[0037] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0038] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0039] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.
[0040] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0041] like Figure 5 As shown, this application provides a condensing gas water heater. Compared with conventional gas water heaters, the condensing gas water heater adds a condensing heat exchange device, which includes a condensing shell 1. The condensing shell 1 has a condensing chamber 20 and an atomizing chamber 30 that are interconnected. The atomizing chamber 30 is disposed on one side of the condensing chamber 20 and is connected to the condensing chamber 20 through a water passage. A condensing heat exchanger 40 is disposed in the condensing chamber 20. This application also provides an atomizing device 10 disposed in the atomizing chamber 30 to atomize the condensed water in the atomizing chamber 30. It can be understood that the atomizing device 10 provided in this application can also be disposed in other chambers for atomization.
[0042] like Figures 1 to 4As shown, the atomizing device 10 includes a housing 1 and a column 2 disposed on the housing 1. The column 2 is disposed along the height direction of the housing 1 (height direction refers to...). Figure 2 In the X direction), a first sensor 3 and a second sensor 4 are provided on the column 2. The first sensor 3 and the second sensor 4 are spaced apart along the axial direction of the column 2. Along the height direction of the housing 1, the first sensor 3 is located above the second sensor 4. The first sensor 3 and the second sensor 4 are used to generate a water level detection signal. When the first sensor 3 generates a water level detection signal, the atomizing device 10 starts atomization. When the second sensor 4 generates a water level detection signal, the atomizing device 10 stops atomization.
[0043] In application, the atomizing device 10 can be placed inside the atomizing chamber 30, with the axial direction of the column 2 aligned with the height direction of the atomizing chamber 30, i.e., the column 2 is installed vertically. When condensate gradually accumulates in the atomizing chamber 30 until the second sensor 4 generates a water level detection signal, the atomizing device 10 is not activated. However, when condensate accumulates until the first sensor 3 generates a water level detection signal, the atomizing device 10 starts atomizing to consume the condensate. When the condensate level drops until the second sensor 4 generates a water level detection signal, the atomizing device 10 stops atomizing until the condensate re-accumulates. The atomization device 10 will only restart when the water level reaches a level that triggers a water level detection signal from the first sensor 3. This creates an interval between the first sensor 3 and the second sensor 4, thereby reducing the frequent start-stop cycles of the atomization device 10 and extending its service life. Furthermore, the integration of the first sensor 3 and the second sensor 4, which sense condensate water, onto the housing 1 further enhances integration. By using the atomization device 10, the condensing gas water heater can extend its service life and reduce its maintenance costs.
[0044] like Figure 2As shown, for ease of control, the atomizing device 10 can also be equipped with a controller 8, which is located inside the housing 1. The controller 8 controls the start and stop of atomization. The first sensor 3 and the second sensor 4 are connected to the controller 8, thereby feeding back the water level detection signal to the controller 8, enabling the controller 8 to control the start and stop of atomization. It is understood that the atomizing device 10 also includes components such as an atomizing plate and a heat sink, which are commonly used components of the atomizing device 10, and their specific structures will not be described in detail. For example, the housing is provided with atomizing holes, and the atomizing plate is sealed at the atomizing holes to allow contact with condensed water. The atomizing plate is generally a piezoelectric ceramic plate. The piezoelectric ceramic plate is connected to the controller 8. After the controller 8 initiates the atomization signal, it transmits a high-frequency signal to the piezoelectric ceramic plate. After receiving the high-frequency electrical signal, the piezoelectric ceramic plate can mechanically vibrate at the same frequency, thereby transferring the high-frequency vibration energy to the liquid. The high-frequency vibration of the liquid generates a water column. The surface of the water column continuously absorbs energy, breaking the surface tension between the liquids and forming water mist, thus realizing liquid atomization.
[0045] Of course, in other embodiments, the controller 8 can also be a component independent of the atomizing device 10. That is, the atomizing device may not have a controller 8. Instead, an external controller can be electrically connected to the first sensor 3 and the second sensor 4 to control the atomization start and stop of the atomizing device 10.
[0046] like Figure 2 As shown, in some embodiments, the first sensing element 3 and the second sensing element 4 are Hall elements. To cooperate with the Hall elements, a floating magnet 5 is movably sleeved on the column 2. The floating magnet 5 can rise and fall along the height direction of the column 2 according to the water level of the condensate (height direction refers to the direction of the column). Figure 2The first sensing element 3 and the second sensing element 4 (in the X direction) can generate electromagnetic induction with the Hall element during the lifting and lowering of the floating magnet 5, causing the Hall element to generate a Hall voltage, thereby indirectly sensing the condensate. The Hall voltage generated by the first sensing element 3 and the second sensing element 4 is converted into an electrical signal (water level detection signal) and transmitted to the controller 8 to control the start and stop of atomization. To facilitate the lifting and lowering of the floating magnet 5, in the current embodiment, the column 2 is a straight rod, one end of which is connected to the housing 1, and the other end extends away from the housing 1 along the height direction of the housing 1. To reduce the obstruction of the lifting and lowering process of the floating magnet 5 on the column 2 and make its movement smoother, the first sensing element 3 and the second sensing element 4 are both embedded in the column 2. In some embodiments, in order to facilitate the accommodation of the Hall element, the column 2 is a hollow column, which facilitates the installation of the first sensing element 3 and the second sensing element 4. When the first sensing element 3 and the second sensing element 4 are installed alternately in the column 2, epoxy resin can be filled into the hollow column for fixation. In other alternative embodiments, the Hall element can be fixed by snap-fit or plug-in method, which will not be described in detail. Of course, in other alternative embodiments, the first sensor 3 and the second sensor 4 may also be mounted on the surface of the column 2, for example, by bonding, snapping, or embedding; or they may be mounted on the surface of the column 2 by other connectors, without specific limitation. In yet another embodiment, the first sensor 3 and the second sensor 4 may also be sealed inside the column 2.
[0047] like Figure 2 As shown, based on the characteristic of the floating magnet 5 moving on the column 2, in some embodiments, a blocking member 6 is provided at the end of the column 2 away from the housing 1 to prevent the floating magnet 5 from detaching from the column 2. Furthermore, to facilitate the installation of the floating magnet 5, the blocking member 6 is detachably mounted on the column 2. Specifically, the column 2 is provided with a first thread, the blocking member 6 is provided with a first mounting hole, and the inner wall of the first mounting hole is provided with a second thread matching the first thread. Thus, during installation, the floating magnet 5 can be first fitted onto the column 2, and then the blocking member 6 can be tightened onto the column 2. In other embodiments, the column 2 can be detachably connected to the housing 1, thereby facilitating the installation of the floating magnet 5, the first sensing element 3, and the second sensing element 4. Specifically, the column 2 is provided with a third thread, and the housing 1 is provided with a second mounting hole. The inner wall of the second mounting hole is provided with a fourth thread that mates with the third thread, thereby screwing the column 2 onto the housing 1. When the column 2 and the housing 1 are screwed together, a sealing washer can also be provided between the column 2 and the housing 1. In some other alternative embodiments, the blocking member 6 and the column 2, as well as the column 2 and the housing 1, can also be connected by other detachable methods such as adhesive bonding, which will not be described in detail here.
[0048] Because the atomizing chamber 30 of the condensing gas water heater is connected to the condensing chamber 20, the atomized water mist is discharged along with the flue gas. The flue gas contains sulfur, nitrogen, and carbon, and its direct contact with the condensate water results in the condensate water containing sulfate, nitrate, and carbonate ions. This causes the condensate water to become a strongly acidic liquid with a pH of approximately 2.5-4. The floating magnet 5 is directly immersed in this type of condensate water. Therefore, in some embodiments, the floating magnet 5 includes an annular suspension shell containing a magnetic ring, which isolates the magnetic ring from the acidic condensate water. Exemplarily, the suspension shell can be, but is not limited to, a fluorosilicone shell, which has strong acid resistance, ensuring its service life.
[0049] In some embodiments, the height difference between the first sensing element 3 and the second sensing element 4 in the axial direction of the column 2 is 10±2mm, that is, the height of the established interval zone in the axial direction of the column 2 is 10±2mm. On the one hand, this avoids the interval zone being too large, which would require increasing the height of the atomizing chamber 30 and affect the distribution layout of other areas of the condensing gas water heater; on the other hand, it also avoids the interval zone being too small, which would result in the atomizing device 10 starting and stopping at too short a time interval, still causing frequent start-stop phenomena.
[0050] In some alternative embodiments, the first sensing element 3 and the second sensing element 4 can be water level sensors. The two water level sensors are spaced apart on the column 2, so that when the condensate rises to a specified height, it contacts the water level sensors, thereby starting or stopping atomization. Using water level sensors directly senses the condensate. Water level sensors are commonly used components in the prior art, and their specific structure will not be described in detail. When using water level sensors, the first sensing element 3 and the second sensing element 4 can also be embedded in the column 2, or installed on the surface of the column 2, for example, by bonding, snapping, or embedding; or they can be installed on the surface of the column 2 through other connecting parts, without specific limitations.
[0051] like Figures 2 to 4 As shown, in some embodiments, the atomizing device 10 is further provided with a third sensing element 7, along the height direction of the housing 1 (the height direction refers to...). Figure 2The third sensor 7 is located below the second sensor 4 (in the X direction). The third sensor 7 generates a water level detection signal. When the third sensor 7 generates the water level detection signal, the atomizing device 10 can stop atomizing. This allows the third sensor 7 to be used as a backup stop sensor, preventing the second sensor 4 from failing. If the second sensor 4 fails, the third sensor 7 will detect the condensate water level and generate a water level detection signal, promptly stopping atomization. This minimizes the risk of dry burning, prevents damage to the atomizing device 10, and improves the reliability of the atomizing device 10. It should be noted that during the process of the condensate rising from low to high, it is first sensed by the third sensor 7, which generates a water level detection signal. At this time, the atomizing device 10 will not start. When it reaches the second sensor 4, the second sensor 4 generates a water level detection signal, but the atomizing device 10 still will not start. Only when the condensate is sensed by the first sensor 3, which generates a water level detection signal, will the atomizing device 10 start atomizing. As atomizing starts, the condensate level drops until it is sensed by the second sensor 4, which generates a water level detection signal and stops atomizing. If the second sensor 4 is damaged, the condensate level will continue to drop as atomizing continues until the third sensor 7 generates a water level detection signal and stops atomizing.
[0052] It is understood that in some embodiments, the third sensing element 7 can still be a Hall element. When the third sensing element 7 is a Hall element, it needs to be used in conjunction with the aforementioned floating magnet 5. The location of the third sensing element 7 is not specifically limited, nor is its trigger control mode specifically limited. That is to say, as... Figure 2 and Figure 4 As shown, the third sensor 7 can be installed on the column 2 or on the housing 1. It can be installed outside or inside the housing 1. When the third sensor 7 is installed on the column 2 and is on the outside of the housing 1, just like the first sensor 3 and the second sensor 4, its usage is the same as that of the first sensor 3 and the second sensor 4. When it is installed on or inside the housing 1, the floating magnet 5 cannot continue to descend when it reaches the junction of the column 2 and the housing 1. The position of the floating magnet 5 is then limited. At this time, the relative position between the floating magnet 5 and the third sensor 7 is fixed. Based on this, the position of the third sensor 7 inside or on the housing 1 can be such that the third sensor 7 just senses the floating magnet 5. Alternatively, when the position of the floating magnet 5 is limited, the electromagnetic induction generated between it and the third sensor 7 no longer fluctuates, and its value is a known fixed value. Thus, it can be set to trigger the stop of atomization within a preset time.
[0053] In other embodiments, the third sensing element 7 can also be the water level sensor described above. When the third sensing element 7 is a water level sensor, the third sensing element 7 can be set on the housing 1 or the column 2, so that the water level sensor can directly sense changes in water level.
[0054] In the specific implementation of the above embodiments, the technical features can be combined in any non-contradictory way. For the sake of brevity, not all possible combinations of the above technical features are described. However, as long as the combination of these technical features is not contradictory, it should be considered to be within the scope of this specification.
[0055] The specific embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. An atomizing device, characterized in that, include: A housing (1), on which a column (2) is provided; The first sensor (3) and the second sensor (4) are arranged at an axial distance along the column (2); along the height direction of the housing (1), the first sensor (3) is located above the second sensor (4); the first sensor (3) and the second sensor (4) are used to generate a water level detection signal. When the first sensor (3) generates a water level detection signal, the atomizing device (10) starts atomizing; when the second sensor (4) generates a water level detection signal, the atomizing device (10) stops atomizing.
2. The atomizing device according to claim 1, characterized in that, The first sensing element (3) and the second sensing element (4) are Hall elements; a floating magnet (5) is movably sleeved on the column (2), and the floating magnet (5) can rise and fall along the height direction of the column (2) as the water level changes.
3. The atomizing device according to claim 2, characterized in that, The end of the column (2) away from the housing (1) is provided with a blocking member (6) to prevent the floating magnet (5) from detaching from the column (2).
4. The atomizing device according to claim 3, characterized in that, The blocking member (6) is detachably mounted on the column (2); And / or, the column (2) is detachably mounted on the housing (1).
5. The atomizing device according to claim 1, characterized in that, The first sensing element (3) and the second sensing element (4) are embedded in the column (2); or, The first sensor (3) and the second sensor (4) are mounted on the surface of the column (2).
6. The atomizing device according to claim 2, characterized in that, The floating magnet (5) includes an annular suspension shell, and a magnetic ring is disposed inside the suspension shell.
7. The atomizing device according to claim 1, characterized in that, The first sensing element (3) and the second sensing element (4) are water level sensors.
8. The atomizing device according to any one of claims 1-7, characterized in that, Along the height direction of the housing (1), the height difference between the first sensing element (3) and the second sensing element (4) is 10±2mm.
9. The atomizing device according to any one of claims 1-7, characterized in that, The atomizing device (10) further includes a third sensor (7), which is located below the second sensor (4) along the height direction of the housing (1); the third sensor (7) is used to generate a water level detection signal; when the third sensor (7) generates a water level detection signal, the atomizing device (10) can stop atomizing.
10. A condensing gas water heater, comprising a condensing chamber (20) and an atomizing chamber (30) connected in series, wherein a condensing heat exchanger (40) is provided in the condensing chamber (20), characterized in that, The atomizing chamber (30) is equipped with an atomizing device (10) as described in any one of claims 1-9.