Condensate collecting device and gas water heater

Abstract

The utility model provides a condensate collection device and a gas water heater, comprising a connected water seal body and a water seal cover, wherein the water seal body comprises a tank body and a water outlet pipe, wherein the water outlet pipe is partially located in the tank body, and the water seal cover comprises a cover plate and a water inlet pipe, wherein the water inlet pipe is arranged through the cover plate, a sealing plate is arranged at one end of the water inlet pipe, an opening is arranged at the end of the water inlet pipe close to the sealing plate, a water pipe is arranged at the end of the sealing plate away from the water inlet pipe, one end of the water outlet pipe is inserted into the water pipe, and there is a gap between the water pipe and the tank body and the water outlet pipe. The utility model can discharge condensate smoothly, and the water seal structure formed at the same time can effectively prevent high-temperature flue gas water from overflowing to improve the thermal energy utilization rate; the structure is compact and occupies little space, which is conducive to the miniaturization of the gas water heater.

Description

Technical Field

[0001] The utility model relates to the technical field of gas appliances, and in particular to a condensed water collection device and a gas water heater. Background Art

[0002] With the improvement of people's living standards, gas water heaters have become an important household appliance that is indispensable in daily life; among them, condensing gas water heaters can recover the sensible heat of high-temperature flue gas and the latent heat of condensation of water vapor, which further improves the thermal efficiency and is widely favored by consumers. Condensing gas water heaters produce high-temperature flue gas during combustion. When the high-temperature flue gas enters the heat exchanger for heat exchange, a large amount of condensed water will be generated and discharged through the drainage pipe; if the drainage pipe is blocked and the condensed water flows back to the heat exchanger, there will be risks of poor heat exchange, incomplete combustion, flameout, and even damage to the condensing furnace; at the same time, if the drainage pipe is not sealed tightly, some high-temperature flue gas will overflow and reduce the thermal efficiency. At the same time, there are trace amounts of toxic gases in the high-temperature flue gas, which will cause environmental pollution.

[0003] To this end, the Chinese patent application number 202223413672.4 discloses a condensate drainage device and a gas heating hot water boiler, wherein the condensate drainage device comprises: a shell, the shell comprises a top wall, a bottom wall, a side wall and a partition wall, the top wall, the bottom wall and the side wall are arranged to form a cavity, the partition wall is arranged in the cavity and connected to the bottom wall and the side wall, the partition wall extends toward the top wall, and the cavity is divided into a first cavity and a second cavity that are connected; a water inlet pipe is arranged on the top wall and extends into the first cavity; a water inlet pipe detection electrode is arranged on the top wall and extends into the water inlet pipe, and is used to detect the liquid level in the water inlet pipe. This solution can effectively prevent equipment damage caused by poor drainage of the condensate drainage device, but the unreasonable structure causes a large space to be occupied.

[0004] In view of this, this new method is proposed. Utility Model Content

[0005] The problem solved by the utility model is that the existing condensed water collecting device has an unreasonable structure and occupies a large space.

[0006] In order to solve the above problems, the utility model provides a condensed water collection device, which is arranged on a gas water heater, and includes a connected water seal body and a water seal cover, wherein the water seal body includes a tank body and a water outlet pipe, and the water outlet pipe is partially located in the tank body, and the water seal cover includes a cover plate and a water inlet pipe, and the water inlet pipe is arranged through the cover plate, a sealing plate is arranged at one end of the water inlet pipe, an opening is arranged at the end of the water inlet pipe close to the sealing plate, and a water pass pipe is arranged at the end of the sealing plate away from the water inlet pipe, and one end of the water outlet pipe is inserted into the water pass pipe, and there is a gap between the water pass pipe and the tank body and the water outlet pipe.

[0007] Preferably, the condensate collection device further comprises a detection component, wherein the detection component comprises a first electrode and a second electrode arranged on the cover plate and used for detecting the liquid level in the water seal body.

[0008] Preferably, the tank body includes a circular bottom plate, a side wall extending toward one side of the water seal cover is arranged on the bottom plate, a mounting hole is arranged on the side wall for assembling the detection component, a notch is arranged on the top of the side wall, and the notch is connected to the mounting hole.

[0009] Preferably, the condensate collecting device further comprises a sealing gasket, and the sealing gasket is located between the water seal body and the water seal cover.

[0010] Preferably, the diameters of the water inlet pipe, the water flow pipe and the water outlet pipe are D1 and D2 respectively, and D1<D2.

[0011] The utility model also provides a condensing gas water heater, comprising a shell, and a condensate collecting device according to any one of claims 1 to 4, wherein the condensate collecting device is fixedly mounted on the shell.

[0012] Preferably, the condensing gas water heater further comprises a controller, and the controller is located in the shell and is electrically connected to the detection component.

[0013] Preferably, a combustion component and a heat exchange component are arranged in the shell, the combustion component is located below the heat exchange component, and the heat exchange component is heated by gas combustion. The heat exchange component includes a condenser, and the condenser is provided with a drain pipe, and the condensate collection device is arranged on the drain pipe.

[0014] Preferably, the condensing gas water heater also includes a water delivery component, and the heat exchange component also includes a heat exchanger, the heat exchanger is located above the combustion component and is connected to the condenser, the water delivery component includes a first pipe and a second pipe, the first pipe and the second pipe are respectively located at the inlet and outlet ends of the condenser, and the second pipe is coupled to the heat exchanger.

[0015] Preferably, the water delivery component also includes a water inlet joint and a drain joint arranged on the shell, the water inlet joint is connected to the inlet end of the first pipe, and the drain joint is connected to the outlet end of the second pipe. The water delivery component is provided with a flow sensor, and the flow sensor is electrically connected to the controller.

[0016] Compared with the prior art, the condensate collection device and the gas water heater described in the embodiments of the utility model have the following beneficial effects: 1) The condensate collection device can discharge the condensate smoothly and form a water seal structure at the same time, which can effectively prevent the overflow of high-temperature flue gas water to improve the thermal energy utilization rate; 2) The detection component can be used to detect the liquid level in the device, thereby preventing equipment damage caused by poor drainage; 3) The structure is simple and occupies little space, which is conducive to the miniaturization of the gas water heater. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the gas water heater according to an embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of an explosion of a gas water heater according to an embodiment of the utility model;

[0019] Figure 3 This is an explosion diagram of the condensate collection device according to an embodiment of the utility model;

[0020] Figure 4 It is a cross-sectional schematic diagram of the condensate collection device described in an embodiment of the utility model.

[0021] Description of reference numerals:

[0022] 1-combustion assembly; 11-burner; 111-air inlet; 12-solenoid valve; 13-gas proportional valve; 14-sensing needle; 15-ignition needle; 16-gas distribution rod; 2-heat exchange assembly; 21-heat exchanger; 22-fan; 23-condenser; 231-drain pipe; 3-shell; 4-condensate collection device; 41-water seal body; 411-tank body; 4111-bottom plate; 4112-side wall; 4113-notch; 412- Outlet pipe; 42-water seal cover; 421-cover plate; 422-water inlet pipe; 423-seal plate; 424-water pipe; 425-opening; 43-sealing pad; 44-detection component; 441-first electrode; 442-second electrode; 443-signal line; 5-controller; 6-water delivery component; 61-first pipeline; 62-second pipeline; 63-water inlet connector; 64-drain connector; 65-flow sensor; 66-temperature sensor. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described in detail below in conjunction with the accompanying drawings. The technical features of the embodiments of the utility model can be combined with each other without conflict.

[0024] It should be noted that all terms used in the present invention for directional and positional indications, such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inside", "outside", "top", "lower", "lateral", "longitudinal", "center", etc., are only used to explain the relative positional relationship and connection conditions between the components in a certain state (as shown in the accompanying drawings), and are only for the convenience of describing the present invention, rather than requiring the present invention to be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the descriptions of "first", "second", etc. in the present invention are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features.

[0025] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" 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 utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] like Figure 1-4 As shown, a condensed water collecting device 4 is arranged on a condensing gas water heater, including a connected water seal body 41 and a water seal cover 42, wherein the water seal body 41 includes a tank body 411 and a water outlet pipe 412, wherein the water outlet pipe 412 is partially located in the tank body 411, and the water seal cover 42 includes a cover plate 421 and a water inlet pipe 422, wherein the water inlet pipe 422 is arranged through the cover plate 421, a sealing plate 423 is arranged at one end of the water inlet pipe 422, an opening 425 is arranged at one end of the water inlet pipe 422 close to the sealing plate 423, a water passing pipe 424 is arranged at one end of the sealing plate 423 away from the water inlet pipe 422, one end of the water outlet pipe 412 is inserted into the water passing pipe 424, and there is a gap between the water passing pipe 424 and the tank body 411 and the water outlet pipe 412.

[0028] This arrangement can discharge the condensed water smoothly and form a water seal structure to effectively prevent the high-temperature flue gas from overflowing, thereby improving the utilization rate of thermal energy; the structure is simple and occupies a small space. Specifically, the condensed water flows into the water seal body 41 through the opening 425, and when the liquid level in the water seal body 41 is higher than the water outlet pipe 412, it flows out through the water outlet pipe 412, and a water pressure difference is formed between the water seal body 41 and the water seal cover 42, which not only seals the high-temperature flue gas entering from the water inlet pipe 422, but also achieves the effect that the liquid can flow out but the high-temperature flue gas cannot flow out.

[0029] Preferably, the condensate collecting device 4 further comprises a sealing pad 43, and the sealing pad 43 is located between the water seal body 41 and the water seal cover 42. This arrangement can ensure that the condensate collecting device 4 is well sealed, and at the same time has a certain vibration reduction effect to prevent noise.

[0030] Preferably, the condensed water collection device 4 also includes a detection component 44, which includes a first electrode 441 and a second electrode 442 arranged on the cover plate 421, the first electrode 441 and the second electrode 442 are respectively located on both sides of the cover plate 421 and are respectively electrically connected to the controller 5 through a signal line 443, and are used to detect the liquid level in the water seal body 41. This setting can detect the blockage caused by the freezing of water in the water seal body 41 or impurities in the condensed water, thereby preventing equipment damage caused by poor drainage. Specifically, when the water outlet pipe 412 is blocked, the water level in the water seal body 41 continues to rise. When the water level reaches the gap 4113, the first electrode 441 and the second electrode 442 are short-circuited by the condensed water, and the generated signal is transmitted to the controller 5 through the signal line 443, thereby stopping the gas water heater and issuing an alarm.

[0031] As an example of the utility model, the tank body 411 includes a circular bottom plate 4111, and a side wall 4112 extending to one side of the water seal cover 42 is arranged on the bottom plate 4111, and the side wall 4112 is provided with a mounting hole for assembling the detection component 44, and a notch 4113 is arranged at the end of the side wall 4112, and the notch 4113 is connected to the mounting hole. This setting can effectively prevent the splashing water from causing the first electrode 441 and the second electrode 442 to be turned on and generate an erroneous signal and a false alarm. Preferably, the diameters of the water inlet pipe 422 and the water pipe 424 are D1 and D2 respectively, and D1 is less than D2. This setting can form a condensate discharge channel and a double-layer water seal structure at the same time, with a good sealing effect.

[0032] The utility model also provides a condensing gas water heater, comprising a shell 3, in which a combustion assembly 1 and a heat exchange assembly 2 are arranged, wherein the combustion assembly 1 is located below the heat exchange assembly 2, and heats the heat exchange assembly 2 by gas combustion; the heat exchange assembly 2 comprises a condenser 23, wherein the condenser 23 is provided with a drain pipe 231, and the condensate collecting device 4 is arranged on the drain pipe 231, and the condensate collecting device 4 is fixedly assembled on the shell 3. This arrangement can form a water seal on the drain pipe 231 of the condenser 23, preventing high-temperature flue gas from escaping from the drain pipe 231, thereby making the condensing gas water heater have good thermal efficiency.

[0033] Preferably, the condensing gas water heater further includes a water delivery component 6, the heat exchange component 2 further includes a heat exchanger 21, the heat exchanger 21 is located above the combustion component 1 and communicates with the condenser 23, the water delivery component 6 includes a first pipe 61 and a second pipe 62, the first pipe 61 and the second pipe 62 are respectively located at the inlet end and the outlet end of the condenser 23, and the second pipe 62 is wound around the outside of the heat exchanger 21. This arrangement can use the condenser 23 to preheat the cold water in the water delivery component 6, and then use the heat exchanger 21 to further heat the cold water, and the thermal efficiency is high.

[0034] Preferably, the water delivery component 6 also includes a water inlet joint 63 and a drain joint 64 arranged on the shell 3, the water inlet joint 63 is connected to the inlet end of the first pipe 61, and the drain joint 64 is connected to the outlet end of the second pipe 62. This arrangement has a simple structure and is convenient for processing. Preferably, the water delivery component 6 also includes a flow sensor 65, which is located between the water inlet joint 63 and the first pipe 61 and is electrically connected to the controller 5. This arrangement can detect the flow rate of the water to be heated in real time. Preferably, the water delivery component 6 also includes a temperature sensor 66, which is located between the drain joint 64 and the second pipe 62 and is electrically connected to the controller 5. This arrangement can detect the outlet water temperature in real time, has a compact structure and high space utilization.

[0035] Preferably, the heat exchange assembly 2 further comprises a fan 22, and the fan 22 is located between the heat exchanger 21 and the condenser 23. This arrangement utilizes the fan 22 to form a negative pressure to draw the smoke generated by the combustion assembly 1 into the condenser 23, thereby increasing the adjustment range of the hot water temperature.

[0036] As an example of the present invention, the combustion assembly 1 includes a burner 11 and a gas distribution rod 16. The burner 11 has an air inlet 111. A premixing chamber is defined in the burner 11. The premixing chamber is connected to the air inlet 111 and a detachable gas distribution rod 16 is arranged inside the premixing chamber. A gas channel is defined in the gas distribution rod 16, and the gas channel is connected to the premixing chamber. This arrangement can ensure that the gas and air mixture entering each area of ​​the burner 11 is evenly distributed, so that the gas is completely burned to reduce fuel waste and reduce the emission of harmful substances such as nitrogen oxides, carbon monoxide, and tar.

[0037] Preferably, a gas proportional valve 13 and a solenoid valve 12 are sequentially arranged at one end of the air inlet 111 close to the burner 11. An ignition needle 15 or a sensing needle 14 is arranged on the burner 11 to ignite the gas and air mixture discharged from the fire hole to provide high-temperature gas. The gas proportional valve 13 can control the flow rate of the gas through the water flow signal obtained by the flow sensor 65, thereby controlling the combustion power of the gas.

[0038] During operation, cold water or tap water enters through the water inlet joint 63, and the flow rate is detected by the flow sensor 65 and transmitted to the controller 5. The controller 5 starts the fan 22 after receiving the water flow signal. After the fan 22 is running, the ignition needle 15 ignites and the gas proportional valve 13 is opened to connect the gas, and the gas water heater works normally. When the high-temperature combustion gas passes through the heat exchanger 21, the heat is transferred to the water flowing in the second pipe 62 coupled to the heat exchanger 21. The water reaches the drain joint 64 to achieve cold water heating. Then the high-temperature combustion exhaust gas passes through the fan 22 and the condenser 23 and is discharged into the atmosphere. Since there is flowing cold water (tap water) passing through the condenser 23 and a relatively low temperature environment is generated, the high-temperature combustion gas contains a large amount of water vapor. After encountering a low-temperature environment (the temperature is lower than the water vapor dew point), it changes from gas to liquid and releases a large amount of heat. The heat is absorbed by the cold water from the first pipe 61 and enters the second pipe 62 for continued heating, thereby achieving the purpose of improving the heat rate. The liquid generated in the condenser 23 is condensed water, which enters the condensed water collection device 4 through the drain pipe 231 for collection and discharge.

[0039] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.

Claims

1. A condensed water collection device, arranged on a gas water heater, comprising a connected water seal body (41) and a water seal cover (42), characterized in that: The water seal body (41) comprises a tank body (411) and a water outlet pipe (412), wherein the water outlet pipe (412) is partially located in the tank body (411), and the water seal cover (42) comprises a cover plate (421) and a water inlet pipe (422), wherein the water inlet pipe (422) is arranged through the cover plate (421), a sealing plate (423) is arranged at one end of the water inlet pipe (422), an opening (425) is arranged at the end of the water inlet pipe (422) close to the sealing plate (423), and a water passage pipe (424) is arranged at the end of the sealing plate (423) away from the water inlet pipe (422), and one end of the water outlet pipe (412) is inserted into the water passage pipe (424), and there is a gap between the water passage pipe (424) and the tank body (411) and the water outlet pipe (412).

2. The condensate collection device according to claim 1, characterized in that: The condensed water collection device (4) further comprises a detection component (44), wherein the detection component (44) comprises a first electrode (441) and a second electrode (442) arranged on the cover plate (421) and used for detecting the liquid level in the water seal body (41).

3. The condensate collection device according to claim 2, characterized in that: The tank body (411) comprises a circular bottom plate (4111), the bottom plate (4111) being provided with a side wall (4112) extending toward one side of the water seal cover (42), the side wall (4112) being provided with a mounting hole for assembling the detection assembly (44), and a notch (4113) being provided at the top of the side wall (4112), the notch (4113) being connected to the mounting hole.

4. The condensate collection device according to claim 1, characterized in that: The condensed water collecting device (4) further comprises a sealing gasket (43), wherein the sealing gasket (43) is located between the water sealing body (41) and the water sealing cover (42).

5. The condensate collection device according to claim 1, characterized in that: The diameters of the water inlet pipe (422) and the water passage pipe (424) are respectively D1 and D2, and D1 is less than D2.

6. A gas water heater, comprising a housing (3), characterized in that: It comprises the condensate collecting device (4) according to any one of claims 1 to 5, wherein the condensate collecting device (4) is fixedly mounted on the shell (3).

7. The gas water heater according to claim 6, characterized in that: The condensing gas water heater also includes a controller (5), which is located inside the housing (3) and is electrically connected to the detection component (44).

8. The gas water heater according to claim 7, characterized in that: A combustion component (1) and a heat exchange component (2) are arranged in the shell (3); the combustion component (1) is located below the heat exchange component (2) and utilizes gas combustion to heat the heat exchange component (2); the heat exchange component (2) comprises a condenser (23); the condenser (23) is provided with a drain pipe (231); and the condensate collection device (4) is arranged on the drain pipe (231).

9. The gas water heater according to claim 8, characterized in that: The condensing gas water heater further comprises a water delivery component (6); the heat exchange component (2) further comprises a heat exchanger (21); the heat exchanger (21) is located above the combustion component (1) and is in communication with the condenser (23); the water delivery component (6) comprises a first pipe (61) and a second pipe (62); the first pipe (61) and the second pipe (62) are respectively located at the inlet end and the outlet end of the condenser (23); the second pipe (62) is coupled to the heat exchanger (21).

10. The gas water heater according to claim 9, characterized in that: The water delivery component (6) further comprises a water inlet joint (63) and a water discharge joint (64) arranged on the housing (3); the water inlet joint (63) is connected to the inlet end of the first pipe (61); the water discharge joint (64) is connected to the outlet end of the second pipe (62); the water delivery component (6) is provided with a flow sensor (65); and the flow sensor (65) is electrically connected to the controller (5).

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