Water boiler and detection device

Abstract

The utility model discloses a water boiler which comprises an inner container, an outer container and a water tank. The interior of the hollow metal rod is hollow, one end of the hollow metal rod penetrates through the detection hole and extends into the inner container, the other end of the hollow metal rod is connected with the detection hole, the hollow metal rod and the inner container form a capacitor, and a capacitance detection line is connected with the other end of the hollow metal rod; the temperature sensor is arranged in the hollow metal rod, one end of a temperature detection line is connected with the temperature sensor, and the other end of the temperature detection line penetrates out of the other end of the hollow metal rod. The utility model also provides a detection device. The cost of the water boiler can be reduced, and the sealing performance of the water boiler is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of water boiler. More specifically, the utility model relates to a water boiler and detection device. BACKGROUND

[0002] The water level and water temperature of the water boiler need to be detected during use. The prior art usually sets a liquid level instrument and a temperature sensor in the inner container of the water boiler, so that a plurality of mounting holes need to be formed on the inner container for mounting various detection elements and leading out detection lines, as disclosed in the invention patent with the application number CN2019101182546. Obviously, this method has high processing cost and may affect the sealing property of the inner container. Therefore, it is necessary to design a technical solution that can overcome the above-mentioned defects. SUMMARY

[0003] An object of the utility model is to provide a water boiler and detection device, which can reduce the cost of the water boiler and ensure its sealing property.

[0004] In order to achieve the objects and other advantages of the utility model, according to one aspect of the utility model, a water boiler is provided, which comprises: an inner container having a detection hole formed on one side thereof; a hollow metal rod, which is hollow inside, has one end penetrating through the detection hole and extending into the inner container, and has the other end connected with the detection hole; the hollow metal rod and the inner container form a capacitor, and an electric capacity detection line is connected with the other end of the hollow metal rod; and a temperature sensor, which is arranged inside the hollow metal rod, has one end connected with the temperature sensor and the other end penetrating out of the other end of the hollow metal rod.

[0005] Further, the other end of the hollow metal rod is provided with a thread, and the portion of the thread penetrating out of the detection hole is provided with a nut.

[0006] Further, a gasket is arranged between the nut and the detection hole, and the electric capacity detection line is connected with the gasket.

[0007] Further, a baffle is arranged on the hollow metal rod near the thread, which covers the side of the detection hole facing the inside of the inner container when the nut is tightened.

[0008] Further, a sealing ring is arranged between the portion of the thread penetrating through the detection hole and the detection hole, and the sealing ring is abutted against the gasket and the baffle on both sides.

[0009] According to another aspect of the utility model, still provide detection device, include: hollow metal pole, hollow inside, hollow metal pole one end passes through setting on detection hole of water boiler, stretch into the inner container inside, the other end is connected with detection hole, hollow metal pole with the inner container constitutes condenser, a condenser detection line is connected with the other end of hollow metal pole, temperature sensor, set up in the hollow metal pole inside, a temperature detection line one end is connected with temperature sensor, the other end passes through the other end of hollow metal pole.

[0010] Further, the other end of the hollow metal rod is provided with a thread, and the portion of the thread passing through the detection hole is provided with a nut.

[0011] Further, a gasket is tightly arranged between the nut and the detection hole, and the condenser detection line is connected to the gasket.

[0012] Further, a baffle is arranged at a position close to the thread of the hollow metal rod, for covering the side of the detection hole towards the inner container when the nut is tightened.

[0013] Further, a sealing ring is arranged between the portion of the thread passing through the detection hole and the detection hole, and the sealing ring is abutted against the gasket and the baffle on both sides.

[0014] The utility model at least includes following beneficial effect:

[0015] The utility model discloses an inner container, a hollow metal rod and a temperature sensor, one end of the hollow metal rod passes through the detection hole of the lateral wall of the inner container and extends into the inner container, the hollow metal rod and the inner container constitute a condenser for realizing liquid level detection, and the temperature sensor is arranged in the hollow metal rod and is used for realizing water temperature detection.

[0016] Other advantages, objects and features of the utility model will be embodied partly through the following description, and will be understood by those skilled in the art through research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic drawing of the utility model inner container;

[0018] Figure 2 It is the explosion drawing of the detection device of the utility model;

[0019] Figure 3 It is the installation schematic drawing of the detection device of the utility model. DETAILED DESCRIPTION

[0020] The utility model makes further detailed description in combination with the drawings, so that the person skilled in the art can implement according to the description.

[0021] It should be understood that the terms such as "have", "contain" and "include" used in the embodiments of the present application do not exclude the presence or addition of one or more other elements or combinations thereof. All directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly. When an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or can have a middle element. When an element is referred to as "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element through a middle element. The descriptions of "first", "second" and the like in the embodiments of the present application are only for the purpose of description and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features.

[0022] It should be noted that the technical solutions of various embodiments of the present application can be combined with each other, but must be based on the realization of a person skilled in the art, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist and is not within the protection scope claimed by the present application.

[0023] As shown in Figure 1 , 2 , 3, the embodiments of the present application provide a water boiler, comprising:

[0024] The inner container 1 has a detection hole 101 formed on one side of the upper part; the hollow metal rod 2 is hollow inside, one end of the hollow metal rod 2 penetrates through the detection hole 101 and extends into the inside of the inner container 1, and the other end is connected with the detection hole 101; the hollow metal rod 2 and the inner container 1 form a capacitor, one end of an electric capacity detection line 7 is connected with the other end of the hollow metal rod 2; a temperature sensor is arranged inside the hollow metal rod 2, one end of a temperature detection line 6 is connected with the temperature sensor, and the other end penetrates out of the other end of the hollow metal rod 2;

[0025] The hollow metal rod 2 and the inner container 1 are used as electrodes to form a capacitor in the embodiments, the capacitance value will change after the water level rises, the water level detection is realized according to the pre-established relationship between the capacitance value and the water level, the temperature detection is realized by using the temperature sensor inside the hollow metal rod 2, and the water level detection line and the temperature detection line 6 both penetrate out of the detection hole 101;

[0026] Exemplarily, the detection hole 101 is arranged at the middle upper portion of the inner container 1.

[0027] Exemplarily, the inner container 1 is provided with a heating pipe, and the outer portion of the inner container 1 is further provided with a heat preservation layer, and the bottom portion is provided with a base. The forms of the heating pipe, the heat preservation layer and the base are prior art, and do not belong to the improvement of the embodiment.

[0028] Exemplarily, the temperature sensor can be fixedly arranged inside the hollow metal rod 2.

[0029] Exemplarily, the other end of the capacitance detection line 7 is further connected with the circuit board, and is used for converting the collected capacitance value into liquid level.

[0030] Exemplarily, the temperature sensor is an NTC temperature sensor, and the other end of the temperature sensor is further connected with the circuit board, and is used for converting the collected resistance value into temperature value.

[0031] Exemplarily, the hollow metal rod 2 and the detection hole 101 can be connected through a threaded connection mode, and have necessary sealing structure, so as to guarantee the sealing property of the installation portion of the hollow metal rod 2.

[0032] It can be seen that, compared with the prior art, the embodiment constructs a liquid level and water temperature two-in-one detection device, realizes liquid level and water temperature detection through one detection hole 101, reduces the number of openings of the inner container 1, reduces the processing cost of the inner container 1 of the water boiler, and reduces the possibility of leakage of the inner container 1. In addition, the hollow metal rod 2 can be used to protect the temperature sensor.

[0033] In another embodiment, the other end of the hollow metal rod 2 is provided with a thread 201, and the portion of the thread 201 penetrating out of the detection hole 101 is provided with a nut 3. The embodiment provides an installation mode of the hollow metal rod 2, that is, a thread 201 is arranged at the other end of the hollow metal rod 2, and a nut 3 is used to keep the hollow metal rod 2 in the detection hole 101.

[0034] In another embodiment, a gasket 4 is tightly arranged between the nut 3 and the detection hole 101, the thread 201 penetrates through the gasket 4, and the capacitance detection line 7 is connected to the gasket 4. In the embodiment, the gasket 4 is used to connect the capacitance detection line 7, so as to facilitate wiring and disconnection.

[0035] In another embodiment, a baffle 202 is arranged at the position close to the thread 201 of the hollow metal rod 2, and is used to cover the side of the detection hole 101 facing the inside of the inner container 1 when the nut 3 is tightened. The embodiment further provides the baffle 202. The baffle 202 and the nut 3 are arranged at two sides of the detection hole 101. By tightening the nut 3, the gasket 4 and the baffle 202 can be tightly abutted to the detection hole 101, so as to improve the sealing property.

[0036] In another embodiment, a sealing ring 5 is arranged between the portion of the thread 201 penetrating through the detection hole 101 and the detection hole 101, and the sealing ring 5 is pressed against the gasket 4 and the stopper 202 on both sides; the sealing ring 5 in this embodiment is a silica gel sealing ring 5, which is pressed against the gasket 4 and the stopper 202, so that the sealing ring 5 expands laterally and presses against the edge of the detection hole 101, thereby improving the sealing performance of the detection hole 101.

[0037] The embodiment of the present application also provides a detection device, which comprises a hollow metal rod 2, which is hollow inside, and the hollow metal rod 2 penetrates through a detection hole 101 arranged on a water boiler and extends into the inner container 1, and the other end of the hollow metal rod 2 is connected to the detection hole 101, and the hollow metal rod 2 and the inner container 1 form a capacitor, and an electric capacity detection line 7 is connected to the other end of the hollow metal rod 2; a temperature sensor is arranged inside the hollow metal rod 2, and one end of a temperature detection line 6 is connected to the temperature sensor, and the other end of the temperature detection line 6 penetrates out of the other end of the hollow metal rod 2.

[0038] Based on the same inventive concept, the embodiment provides a liquid level and water temperature two-in-one detection device, which specifically uses the hollow metal rod 2 and the inner container 1 as electrodes to form a capacitor, and the electric capacity value changes after the water level rises, and the relationship between the electric capacity value and the water level is established in advance, so that the water level detection is realized, and the temperature detection is realized by using the temperature sensor in the hollow metal rod 2, and the liquid level detection line and the temperature detection line 6 still penetrate out of the detection hole 101, so that the liquid level and water temperature detection are realized through one detection hole 101, the number of openings of the inner container 1 is reduced, the processing cost of the inner container 1 of the water boiler is reduced, and the possibility of leakage of the inner container 1 is reduced.

[0039] In another embodiment, the other end of the hollow metal rod 2 is provided with a thread 201, and a nut 3 is arranged on the portion of the thread 201 penetrating out of the detection hole 101; preferably, a gasket 4 is arranged between the nut 3 and the detection hole 101, and the electric capacity detection line 7 is connected to the gasket 4; preferably, a stopper 202 is arranged on the hollow metal rod 2 close to the thread 201, which covers the side of the detection hole 101 facing the inside of the inner container 1 when the nut 3 is tightened; preferably, a sealing ring 5 is arranged between the portion of the thread 201 penetrating through the detection hole 101 and the detection hole 101, and the sealing ring 5 is pressed against the gasket 4 and the stopper 202 on both sides; that is, the gasket 4 and the stopper 202 are pressed against the sealing ring 5 and the detection hole 101 by tightening the nut 3, so that the sealing ring 5 expands laterally and presses against the edge of the detection hole 101, thereby improving the sealing performance of the detection hole 101.

[0040] The number of devices and the scale of processing described herein are used to simplify the description of the present application. The application of the instant boiling water machine, modifications and changes to those skilled in the art are obvious.

[0041] Although the embodiments of the present application have been disclosed as above, it is not limited to the application and the embodiments listed in the specification, and it can be fully applied to various fields suitable for the present application, and other modifications can be easily implemented by those skilled in the art, and therefore the present application is not limited to specific details and the figures shown and described herein.

Claims

1. A water boiler, characterized in that: include: The inner tank has a detection hole on the upper part of one side; A hollow metal rod, the interior of which is hollow, one end of the hollow metal rod passes through the detection hole and extends into the interior of the inner container, and the other end is connected to the detection hole. The hollow metal rod and the inner container form a capacitor, and a capacitance detection line is connected to the other end of the hollow metal rod; The temperature sensor is arranged inside the hollow metal rod. One end of a temperature detection line is connected to the temperature sensor, and the other end passes through the other end of the hollow metal rod.

2. The water boiler according to claim 1, characterized in that: The other end of the hollow metal rod is provided with a thread, and a nut is provided at a portion of the thread passing through the detection hole.

3. The water boiler according to claim 2, characterized in that: A gasket is tightly arranged between the nut and the detection hole, and the capacitance detection line is connected to the gasket.

4. The water boiler according to claim 3, characterized in that: A blocking piece is provided on the hollow metal rod near the thread, for covering the side of the detection hole facing the interior of the inner container when the nut is tightened.

5. The water boiler according to claim 4, characterized in that: A sealing ring is provided between the portion of the thread passing through the detection hole and the detection hole, and two sides of the sealing ring are respectively pressed against the blocking piece and the gasket.

6. The detection device for the water boiler according to claim 1, characterized in that: include: A hollow metal rod having a hollow interior, one end of the hollow metal rod passing through a detection hole provided on the water boiler and extending into the interior of the inner pot, the other end of the hollow metal rod being connected to the detection hole, the hollow metal rod and the inner pot forming a capacitor, a capacitance detection line being connected to the other end of the hollow metal rod; The temperature sensor is arranged inside the hollow metal rod. One end of a temperature detection line is connected to the temperature sensor, and the other end passes through the other end of the hollow metal rod.

7. The detection device according to claim 6, characterized in that The other end of the hollow metal rod is provided with a thread, and a nut is provided at a portion of the thread passing through the detection hole.

8. The detection device according to claim 7, characterized in that A gasket is tightly arranged between the nut and the detection hole, and the capacitance detection line is connected to the gasket.

9. The detection device according to claim 8, characterized in that A blocking piece is provided on the hollow metal rod near the thread, for covering the side of the detection hole facing the interior of the inner container when the nut is tightened.

10. The detection device according to claim 9, wherein: A sealing ring is provided between the portion of the thread passing through the detection hole and the detection hole, and two sides of the sealing ring are respectively pressed against the blocking piece and the gasket.

Images