Automatic drainage antifreeze device and gas water heater
By designing automatic drainage and anti-freeze devices in gas water heaters, automatic drainage is achieved using temperature detection and controller, and additional anti-freeze protection is provided through mechanical low-temperature anti-freeze valves, the problem of manual drainage of traditional gas water heaters is solved, and the reliability and durability of the equipment is improved.
Patent Information
- Application Number
- CN202421498140.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-27
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-27
AI Technical Summary
Traditional gas water heaters require users to manually operate the drain valve to prevent water freezing caused by low temperatures. The process is cumbersome and prone to errors, which increases the burden on users and may cause equipment damage.
An automatic drainage and freezing device is designed to detect the water temperature of the incoming and outlet water, use the controller and temperature sensor to achieve automatic drainage function, and set up a mechanical low-temperature antifreeze valve during drainage to provide additional antifreeze protection.
It realizes automatic drainage when the ambient temperature is low, eliminates the potential damage to the water pipes and internal structures caused by water icing, improves the reliability and durability of the equipment, reduces the operating burden of users, and reduces maintenance costs.
Smart Images
Figure CN222747488U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water heaters, in particular to an automatic drainage antifreeze device and a gas water heater. Background Art
[0002] When the ambient temperature is relatively low, the gas water heater needs to be drained to prevent the water pipes and internal structures from freezing and being damaged due to the low temperature.
[0003] However, traditional gas water heaters usually rely on users to manually operate the drain valve, which not only requires users to actively monitor the ambient temperature, but also to drain the water in time when the temperature drops. Secondly, the manual drainage method is cumbersome and inconvenient, which increases the burden on users.
[0004] In addition, manual drainage is prone to mistakes or forgetfulness, resulting in incomplete drainage or equipment damage. Utility Model Content
[0005] In order to overcome the defects of the above-mentioned prior art, the utility model provides an automatic drainage antifreeze device and a gas water heater, which can detect the inlet water temperature and the outlet water temperature and realize automatic drainage, thereby eliminating the hidden danger of water freezing and causing damage to water pipes and internal structures when the ambient temperature is low.
[0006] The technical solution adopted by the utility model to solve the problem is:
[0007] An automatic drainage and antifreeze device, comprising:
[0008] A water inlet pipeline, which is provided with a first valve body;
[0009] A water outlet pipeline is provided with a drainage pipeline, and a second valve body is provided on the drainage pipeline;
[0010] a controller, electrically connected to the first valve body and the second valve body;
[0011] a temperature detection component, which is electrically connected to the controller and includes a first temperature sensor and a second temperature sensor, wherein the first temperature sensor is arranged on the water inlet pipe and the second temperature sensor is arranged on the water outlet pipe;
[0012] The first temperature sensor and the second temperature sensor detect the water temperature and generate electrical signals to the controller, and the controller generates electrical signals to the first valve body and the second valve body to close the first valve body and open the second valve body for drainage.
[0013] Furthermore, it also includes a first antifreeze valve and a second antifreeze valve, the first antifreeze valve is arranged on the water inlet pipe and connected to the water inlet pipe in parallel with the first valve body; the second antifreeze valve is arranged on the water outlet pipe and connected to the water outlet pipe in parallel with the drainage pipe.
[0014] Furthermore, the first antifreeze valve and the second antifreeze valve are both mechanical low-temperature antifreeze valves, and when the temperature is lower than a specific temperature, the mechanical low-temperature antifreeze valves are opened to drain water.
[0015] Furthermore, a temperature sensing element for detecting water temperature is provided in the mechanical low-temperature antifreeze valve.
[0016] Furthermore, one end of the mechanical low-temperature antifreeze valve is provided with an external thread connected to the pipeline, and the other end thereof is provided with a first drain port for draining water.
[0017] Furthermore, both the first valve body and the second valve body are electric switch valves.
[0018] Furthermore, the water inlet pipe is provided with a water inlet joint for connecting to a cold water inlet pipe, and the water outlet pipe is provided with a water outlet joint for connecting to a hot water outlet pipe.
[0019] Furthermore, the drainage pipeline is provided with a second drainage outlet for drainage.
[0020] A gas water heater comprises the automatic drainage antifreeze device and a heat exchanger, wherein the water inlet pipeline and the water outlet pipeline are arranged on the heat exchanger.
[0021] Furthermore, the heat exchanger is arranged in the body.
[0022] In summary, the utility model has the following technical effects:
[0023] 1. The automatic drainage antifreeze device and gas water heater of the utility model realize the automatic drainage function by detecting the water temperature of the water inlet and outlet, thereby effectively eliminating the hidden danger of water freezing and causing damage to the water pipes and internal structures when the ambient temperature is low, and significantly improving the reliability and durability of the equipment. At the same time, the user can set the drainage water temperature through the controller, which reduces the user's operating burden and the risk of human error, prolongs the service life of the water heater, reduces maintenance costs, and improves user experience and satisfaction.
[0024] 2. The automatic drainage antifreeze device and gas water heater of the utility model provide reliable antifreeze protection during drainage by setting a mechanical low-temperature antifreeze valve to ensure the stability of the drainage device. At the same time, when the electric switch valve fails, the mechanical low-temperature antifreeze valve can be used as a backup to ensure that the low-temperature water in the water heater is quickly discharged, effectively preventing the damage to the water pipes and internal structures caused by water freezing under low-temperature conditions, thereby improving the durability and reliability of the water heater and reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a schematic diagram of the structure of the automatic drainage and antifreeze device of the utility model;
[0026] Figure 2 It is a structural schematic diagram of a mechanical low-temperature antifreeze valve in the automatic drainage antifreeze device of the utility model;
[0027] Figure 3 It is a structural schematic diagram of another embodiment of the utility model;
[0028] The meanings of the reference numerals are as follows:
[0029] 1. Heat exchanger; 11. Water inlet pipeline; 111. Electric switch valve; 112. First temperature sensor; 113. Water inlet joint; 12. Water outlet pipeline; 121. Drain pipeline; 1211. Second drain outlet; 122. Second temperature sensor; 123. Mechanical low-temperature antifreeze valve; 1231. First drain outlet; 1232. External thread; 124. Water outlet joint; 2. Machine body. DETAILED DESCRIPTION
[0030] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0031] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.
[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.
[0033] Embodiment 1
[0034] like Figure 1-2 An automatic drainage and antifreeze device shown in the figure includes a water inlet pipeline 11, a water outlet pipeline 12, a controller (not noted in the figure) and a temperature detection component, the water inlet pipeline 11 is provided with a first valve body, the water outlet pipeline 12 is provided with a drainage pipeline 121, and the drainage pipeline 121 is provided with a second valve body; the controller is electrically connected to the first valve body and the second valve body; the temperature detection component is electrically connected to the controller and includes a first temperature sensor 112 and a second temperature sensor 122, the first temperature sensor 112 is arranged on the water inlet pipeline 11, and the second temperature sensor 122 is arranged on the water outlet pipeline 12; wherein the first temperature sensor 112 and the second temperature sensor 122 detect the water temperature and generate an electrical signal to the controller, and the controller generates an electrical signal to the first valve body and the second valve body to close the first valve body and open the second valve body for drainage.
[0035] On the basis of the above structure, when using the automatic drainage antifreeze device of the utility model, the user sets the drainage water temperature on the controller according to the selection. When the first temperature sensor 112 detects the water temperature set by the user and the second temperature sensor 122 detects the water temperature sent by the user and sends an electrical signal to the controller, the controller sends an electrical signal to the first valve body and the second valve body. The first valve body closes the water inlet pipe 11, and the second valve body located on the drainage pipe 121 opens the water inlet and drainage. The low-temperature water in the pipe or / and the water heater is discharged to the outside through the drainage pipe 121 to prevent the low-temperature water in the pipe or / and the water heater from freezing when the ambient temperature is low, causing the hidden danger of damage to the water pipe and the internal structure.
[0036] Furthermore, the automatic drainage antifreeze device of the utility model also includes a first antifreeze valve and a second antifreeze valve. The first antifreeze valve is arranged on the water inlet pipe 11 and is connected to the water inlet pipe 11 in parallel with the first valve body; the second antifreeze valve is arranged on the water outlet pipe 12 and is connected to the water outlet pipe 12 in parallel with the drainage pipe 121.
[0037] Specifically, the first antifreeze valve and the second antifreeze valve are both mechanical low-temperature antifreeze valves 123. When the temperature is lower than a specific temperature, the mechanical low-temperature antifreeze valve 123 opens to drain water. The mechanical low-temperature antifreeze valve 123 is provided with a temperature sensing element for detecting the water temperature.
[0038] Specifically, the mechanical low-temperature antifreeze valve 123 has a built-in temperature sensing element, which can detect a temperature range of 1-6°C. When the temperature sensing element detects that the water temperature is between 1-6°C, the mechanical low-temperature antifreeze valve 123 is opened and closed cyclically, thereby realizing automatic drainage operation. In addition, the mechanical low-temperature antifreeze valve 123 can be opened and closed without power supply, avoiding the limitations and potential failure risks caused by power dependence, ensuring normal operation in an environment without electricity, and improving the reliability and applicability of the drainage device.
[0039] Secondly, the temperature sensing element in the mechanical low-temperature antifreeze valve 123 is opened to drain water and release pressure when the water temperature is detected to be 5°C. The temperature sensing element is in a fully open state when the water temperature is detected to be as low as 1°C to drain the low-temperature water in the pipeline or / and the water heater. When the temperature sensing element detects that the water temperature is higher than 6°C, the mechanical low-temperature antifreeze valve 123 is in a closed state to stop draining water. When the first valve body and / or the second valve body fails, the mechanical low-temperature antifreeze valve 123 can be used as a backup to ensure that the low-temperature water in the water heater is quickly discharged, effectively preventing damage to the water pipe and internal structure caused by water freezing under low temperature conditions, thereby improving the durability and reliability of the water heater and reducing maintenance costs.
[0040] Of course, if the user wants to drain water at a water temperature higher than 6°C, the user can set it in the controller. The controller controls the first valve body and the second valve body to achieve drainage according to the electrical signals fed back by the first temperature sensor 112 and the second temperature sensor 122. This provides users with a variety of options to meet their needs and enhance their experience.
[0041] Furthermore, the mechanical low-temperature antifreeze valve 123 is provided with an external thread 1232 connected to the pipeline at one end, and a first drain port 1231 for drainage at the other end; during installation, a three-way pipe can be installed on the pipeline, and the mechanical low-temperature antifreeze valve 123 is connected to the three-way pipe through the external thread 1232 at one end to achieve installation, and the first drain port 1231 at the other end of the mechanical low-temperature antifreeze valve 123 can directly drain the low-temperature water in the pipeline to the outside or connect the drain pipe to the outside of the water heater by connecting the first drain port 1231.
[0042] Specifically, in this embodiment, the first valve body and the second valve body are both electric switch valves 111, and are electrically connected to a controller via wires to achieve automatic control.
[0043] Furthermore, the water inlet pipe 11 is provided with a water inlet joint 113 for connecting to the cold water inlet pipe, and the water outlet pipe 12 is provided with a water outlet joint 124 for connecting to the hot water outlet pipe. The drainage pipe 121 is provided with a second drainage port 1211 for drainage.
[0044] Specifically, when automatic drainage is achieved through the controller, the first valve body closes the water inlet pipe 11, and the second valve body located on the drain pipe 121 opens the water inlet and drains, and the low-temperature water in the pipe and / or the water heater passes through the drain pipe 121 and is discharged to the outside from the second drain port 1211, or drainage can be achieved by connecting a drain pipe at the second drain port 1211 to the outside of the water heater.
[0045] It should be noted that the automatic drainage and antifreeze device of the utility model can be applied to outdoor gas water heaters or household gas water heaters, etc. For example, in the north where the ambient temperature is relatively low and after using the gas water heater, it is necessary to drain the low-temperature water in the gas water heater to prevent the water in the gas water heater from freezing under low temperature conditions and causing damage to the water pipes and internal structures.
[0046] Embodiment 2
[0047] like Figure 3 A gas water heater shown includes the automatic drainage and antifreeze device of the first embodiment, and also includes a heat exchanger 1, on which a water inlet pipe 11 and a water outlet pipe 12 are arranged.
[0048] Furthermore, the gas water heater also includes a body 2, the heat exchanger 1 is arranged in the body 2, and the water inlet joint 113 and the water outlet joint 124 both extend out of the body 2 so as to be used for connecting the cold water inlet pipe and the hot water outlet pipe; secondly, the first drain port 1231 and the second drain port 1211 both extend out of the body 2 so as to automatically discharge the low-temperature water in the heat exchanger 1 out of the body 2 to prevent the low-temperature water from freezing when the ambient temperature drops and causing damage to the heat exchanger 1 and / or the internal structure of the gas water heater, thereby improving the durability and reliability of the gas water heater and reducing maintenance costs.
[0049] In summary, the automatic drainage antifreeze device and gas water heater of the utility model realize the automatic drainage function by detecting the water temperature of the water inlet and outlet, thereby effectively eliminating the hidden danger of water freezing and causing damage to the water pipes and internal structures when the ambient temperature is low, and significantly improving the reliability and durability of the equipment. At the same time, the user can set the drainage water temperature through the controller, which reduces the user's operating burden and the risk of human error, prolongs the service life of the gas water heater, reduces maintenance costs, and improves user experience and satisfaction.
[0050] The automatic drainage antifreeze device and the gas water heater of the utility model provide reliable antifreeze protection during drainage by setting the mechanical low-temperature antifreeze valve 123, thereby ensuring the stability of the drainage device. At the same time, when the electric switch valve 111 fails, the mechanical low-temperature antifreeze valve 123 can be used as a backup to ensure that the low-temperature water in the gas water heater is quickly discharged, effectively preventing the damage to the water pipe and the internal structure caused by the freezing of water under low-temperature conditions, thereby improving the durability and reliability of the gas water heater and reducing maintenance costs.
[0051] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
[0052] It should be understood that the orientations or positional relationships indicated by the terms "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the modules or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0053] In addition, in the description of the present utility model, "multiple" and "several" mean two or more than two, unless otherwise clearly and specifically defined.
[0054] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.
Claims
1. An automatic drainage antifreeze device, characterized in that: include: A water inlet pipeline, which is provided with a first valve body; A water outlet pipeline is provided with a drainage pipeline, and a second valve body is provided on the drainage pipeline; a controller, electrically connected to the first valve body and the second valve body; a temperature detection component, which is electrically connected to the controller and includes a first temperature sensor and a second temperature sensor, wherein the first temperature sensor is arranged on the water inlet pipe and the second temperature sensor is arranged on the water outlet pipe; The first temperature sensor and the second temperature sensor detect the water temperature and generate electrical signals to the controller, and the controller generates electrical signals to the first valve body and the second valve body to close the first valve body and open the second valve body for drainage.
2. The automatic drainage antifreeze device according to claim 1, characterized in that: It also includes a first antifreeze valve and a second antifreeze valve. The first antifreeze valve is arranged on the water inlet pipe and is connected to the water inlet pipe in parallel with the first valve body; the second antifreeze valve is arranged on the water outlet pipe and is connected to the water outlet pipe in parallel with the drainage pipe.
3. The automatic drainage antifreeze device according to claim 2, characterized in that: The first antifreeze valve and the second antifreeze valve are both mechanical low-temperature antifreeze valves. When the temperature is lower than a specific temperature, the mechanical low-temperature antifreeze valves are opened to drain water.
4. The automatic drainage and antifreeze device according to claim 3, characterized in that: The mechanical low-temperature antifreeze valve is provided with a temperature sensing element for detecting water temperature.
5. The automatic drainage and antifreeze device according to claim 4, characterized in that: One end of the mechanical low-temperature antifreeze valve is provided with an external thread connected to a pipeline, and the other end thereof is provided with a first drain port for draining water.
6. The automatic drainage antifreeze device according to claim 1, characterized in that: The first valve body and the second valve body are both electric switch valves.
7. The automatic drainage antifreeze device according to claim 1, characterized in that: The water inlet pipe is provided with a water inlet joint for connecting with a cold water inlet pipe, and the water outlet pipe is provided with a water outlet joint for connecting with a hot water outlet pipe.
8. The automatic drainage antifreeze device according to claim 1, characterized in that: The drainage pipeline is provided with a second drainage port for drainage.
9. A gas water heater, comprising the automatic drainage and antifreeze device according to any one of claims 1 to 8, characterized in that: It also includes a heat exchanger, on which the water inlet pipeline and the water outlet pipeline are arranged.
10. The gas water heater according to claim 9, characterized in that: It also includes a machine body, in which the heat exchanger is arranged.