CN219229632U

CN219229632U - Liquid level detection device of water boiler and water boiler

Info

Publication number: CN219229632U
Application number: CN202223132407.9U
Authority: CN
Inventors: 印水松
Original assignee: Guangzhou Nordoff Electric Co ltd
Current assignee: Guangzhou Nordoff Electric Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-06-23
Anticipated expiration: 2032-11-22

Abstract

The utility model provides a liquid level detection device of a water boiler and the water boiler, wherein the detection device comprises a detection pipe, and a high water level electrode and a low water level electrode which are all arranged in the detection pipe, the detection pipe is communicated with a water tank of the water boiler when being arranged at a detection interface of the water tank, and the high water level electrode is positioned above the low water level electrode. Through setting up the electrode that detects the water level in the detecting tube with the water tank intercommunication, liquid in the detecting tube is less, and mineral substance total amount reduces correspondingly, reducible limescale that adheres to the electrode surface avoids the emergence of electrode failure condition, guarantees the accuracy of liquid level detection.

Description

Liquid level detection device of water boiler and water boiler

Technical Field

The utility model relates to the technical field of household appliances, in particular to a liquid level detection device of a water boiler and the water boiler.

Background

In the existing water boiler, in order to detect the liquid level height, a low liquid level electrode and a high liquid level electrode are generally arranged in a water tank, and the low liquid level state and the high liquid level state are respectively detected, so that the water boiler can send out an alarm signal when the liquid level in the water tank is lower than a preset low liquid level and higher than a preset high liquid level, dry burning or overflow is avoided, and the safety of the water boiler is ensured.

However, because the liquid capacity in the water tank is large, the total mineral content is more, the electrodes are placed in the water tank for a long time, water is electrolyzed when the two electrodes detect discharge, mineral substances in the water are decomposed from the water and then are easily attached to the electrodes to form scale, and finally, the electrodes are non-conductive, so that the water level detection function is disabled.

Disclosure of Invention

The utility model aims to provide a water boiler liquid level detection device with a good liquid level detection effect and a water boiler.

In order to achieve the above object, the present utility model provides the following technical solutions:

in a first aspect, a water level detection device of a water boiler is provided, the water level detection device comprises a detection pipe, and a high water level electrode and a low water level electrode which are all arranged in the detection pipe, wherein the detection pipe is communicated with a water tank when being arranged at a detection interface of the water tank of the water boiler, and the high water level electrode is positioned above the low water level electrode.

In one embodiment, the bottom end of the detection tube is in threaded connection with the detection interface of the water tank through an adapter.

In one embodiment, the adapter is a 90-degree elbow, one end of the adapter is in threaded connection with the detection interface, and the other end of the adapter is connected with the bottom end of the detection pipe.

In one embodiment, the bottom end of the detection tube is sleeved with a locking nut, and the locking nut can be movably connected with the adapter along the axial direction of the detection tube.

In one embodiment, the top end of the detection tube is provided with a protection head, and the protection head is in threaded connection with the detection tube.

In one embodiment, the protective head has a first atmosphere connection, which is connected to the test tube via an elbow.

In a second aspect, a water boiler is provided, including a water tank and the water level detection device of the water boiler, the detection tube is installed at the detection interface of the water tank.

In one embodiment, the top of the water tank is provided with a second atmosphere communication joint.

In one embodiment, the water tank is surrounded by a thermal insulation material.

The technical scheme provided by the utility model has the beneficial effects that: according to the water boiler and the liquid level detection device thereof, the electrode for detecting the water level is arranged in the detection tube (water tube) communicated with the water tank, so that liquid in the detection tube is less, the total amount of mineral substances is correspondingly reduced, scale attached to the surface of the electrode can be reduced, the occurrence of electrode failure condition is avoided, and the accuracy of liquid level detection is ensured.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments of the present utility model will be briefly described below.

Fig. 1 is a schematic structural diagram of a water tank connected to a liquid level detection device of a water boiler according to an embodiment of the present utility model.

Detailed Description

Embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the utility model is susceptible of embodiment in the drawings, it is to be understood that the utility model may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided to provide a more thorough and complete understanding of the utility model. It should be understood that the drawings and embodiments of the utility model are for illustration purposes only and are not intended to limit the scope of the present utility model.

It should be understood that the various steps recited in the method embodiments of the present utility model may be performed in a different order and/or performed in parallel. Furthermore, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the utility model is not limited in this respect.

The term "including" and variations thereof as used herein are intended to be open-ended, i.e., including, but not limited to. The term "coupled" may be either directly or indirectly through intervening components (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments. Related definitions of other terms will be given in the description below.

It should be noted that the terms "first," "second," and the like herein are merely used for distinguishing between devices, modules, or units and not necessarily for defining the order in which such devices, modules, or units perform their functions or are interdependent.

Referring to fig. 1, the present utility model provides a liquid level detection device 10 (hereinafter referred to as "detection device 10") of a water boiler and a water boiler using the detection device 10, where the detection device 10 of the present utility model can reduce accumulation of dirt on an electrode, and avoid electrode failure, so as to ensure accuracy of liquid level detection.

The water boiler comprises a water tank 20 and a detection device 10, wherein the detection device 10 is used for detecting the water level of the water tank 20, so that dry heating caused by too low water level and overflow caused by too high water level are avoided, and the safety of the water boiler is ensured.

The bottom of the water tank 20 is provided with a detection interface 21, and the detection interface 21 is provided with internal threads. The water tank 20 is surrounded by a thermal insulation material, such as thermal insulation cotton, which slows down the heat loss of the hot water in the water tank 20.

The detection device 10 comprises a detection tube 11, and a low water level electrode 13 and a high water level electrode 12 which are both fixed in the detection tube 11 and arranged in the detection tube 11, wherein the detection tube 11 is used for being connected with a water tank 20 and communicated with the water tank 20, the high water level electrode 12 is positioned above the low water level electrode 13, wherein the low water level electrode 13 outputs a low water level signal outwards when the liquid level of the water tank 20 is lower than the height of the low water level electrode 13, and the high water level electrode 12 outputs a high water level signal when the liquid level of the water tank 20 is higher than the height of the high water level electrode 12, so that a control panel in the water boiler can output a corresponding alarm signal and execute necessary protection operations, such as power failure so as to avoid dry burning.

Preferably, the detecting tube 11 is made of a stainless steel water tube, a locking nut is sleeved at the bottom end of the detecting tube, and the locking nut can move along the axial direction of the detecting tube 11. The detection tube 11 is in threaded connection with the detection interface 21 through the adapter 14. The adapter 14 is a 90-degree elbow, both ends of the adapter 14 are provided with external threads, one end of the adapter 14 is connected with the internal threads of the detection interface 21, and the other end of the adapter is connected with the locking nut, so that the detection pipe 11 and the water tank 20 are provided with threads for connection, and the detection device 10 is convenient to assemble and disassemble.

Further, a protective cap 15 is arranged at the top end of the detection tube 11, a first atmosphere communication joint 16 is arranged on the protective cap 15, and the first atmosphere communication joint 16 is communicated with the detection tube 11, so that the pressure above the liquid level of the detection tube 11 is atmospheric pressure. The first atmosphere connection port 16 is preferably a 90 ° elbow, and one end thereof is inserted into the protective cap 15. The top end of the water tank 20 is provided with a second atmosphere communication joint 22, so that the pressure of the liquid levels of the water tank 20 and the liquid level of the detection pipe 11 are the same, the liquid levels of the detection pipe 11 and the water tank 20 are the same, and the accuracy of liquid level detection is ensured.

Therefore, the water boiler carries out liquid level detection through the detection device 10 arranged outside the water tank 20, the volume of the detection tube 11 is smaller, the total amount of mineral substances in the detection tube is smaller, scale deposition on the electrode can be reduced, and the failure of the detection effect of the electrode is avoided; in addition, as the water tank 20 of the water boiler is insulated by the heat insulation material, the water temperature of the water in the detection pipe 11 is lower than that of the water in the water tank 20, the activity degree of mineral substances in the detection pipe 11 is reduced, the deposition speed of scale is further reduced, and the service life of the electrode is prolonged.

The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept described above. Such as the above-mentioned features and the features having similar functions (but not limited to) of the utility model.

Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are example forms of implementing the claims.

Claims

1. The utility model provides a water boiler liquid level detection device which characterized in that includes the detection tube and all locates high water level electrode and the low water level electrode in the detection tube, the detection tube when installing in the detection interface of water boiler water tank with the water tank intercommunication, high water level electrode is located the top of low water level electrode.

2. The water boiler liquid level detection device according to claim 1, wherein the bottom end of the detection tube is in threaded connection with the detection interface of the water tank through an adapter.

3. The water boiler liquid level detection device according to claim 2, wherein the adapter is a 90-degree elbow, one end of the adapter is in threaded connection with the detection interface, and the other end of the adapter is connected with the bottom end of the detection pipe.

4. The water boiler liquid level detection device according to claim 3, wherein the bottom end of the detection tube is sleeved with a lock nut, and the lock nut is movably connected with the adapter along the axial direction of the detection tube.

5. The water boiler liquid level detection device according to claim 1, wherein a protection head is arranged at the top end of the detection tube, and the protection head is in threaded connection with the detection tube.

6. The water boiler liquid level detection device of claim 5, wherein the protective head has a first atmosphere communication joint, and the first atmosphere communication joint is connected with the detection tube through an elbow.

7. A water boiler comprising a water tank and a liquid level detection device, wherein the liquid level detection device is the water boiler liquid level detection device according to any one of claims 1 to 6, and the detection pipe is arranged at the detection interface of the water tank.

8. The water boiler as claimed in claim 7, wherein the top of the water tank is provided with a second atmosphere communication connection.

9. The water boiler as claimed in claim 7, wherein the water tank is coated with a thermal insulation material at the periphery thereof.