CN213664823U

CN213664823U - Liquid heater

Info

Publication number: CN213664823U
Application number: CN202022411599.1U
Authority: CN
Inventors: 卢杭斌
Original assignee: Zhejiang Hangjia Industry And Trade Co ltd
Current assignee: Zhejiang Hangjia Industry And Trade Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-07-13
Anticipated expiration: 2030-10-26

Abstract

The utility model belongs to the technical field of heating, in particular to a liquid heater, which comprises a base, a kettle body and a heating disc for heating liquid in the kettle body, wherein the base is provided with an inwards concave placing groove, the heating disc is arranged in the placing groove, the liquid heater also comprises an infrared temperature detector and a control mainboard for receiving the detection result of the infrared temperature detector, and the control mainboard can start/stop the heating disc; the inner wall of the placement groove is provided with at least one infrared temperature detector, a gap is reserved between the kettle body and the inner wall of the placement groove, and the infrared temperature detector is aligned to the side wall of the kettle body and is not contacted with the kettle body; an object of the utility model is to provide a detect the temperature more accurate, use safer liquid heater.

Description

Liquid heater

Technical Field

The utility model belongs to the technical field of the heating, in particular to liquid heater.

Background

There are many liquid heaters available on the market for heating water to a certain temperature, and these liquid heaters work by monitoring the temperature of the water.

At present, liquid heaters on the market mainly utilize NTC temperature sensor for temperature measurement, and NTC temperature sensor generally sets up in the base bottom, because the bottom is provided with the dish that generates heat, and the temperature that detects with NTC temperature sensor and the internal liquid's of kettle the difference in temperature is too big, can't guarantee the accuracy of temperature measurement. In addition, when the NTC temperature sensor is used for measuring temperature, the contact between the kettle body and the NTC temperature sensor needs to be ensured to be accurate, and the manufacturing process difficulty is high.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a liquid heater which can detect temperature more accurately and is safer to use.

The purpose of the utility model is realized like this:

a liquid heater comprises a base, a kettle body and a heating disc used for heating liquid in the kettle body, wherein a placement groove for placing the kettle body is formed in the base, the heating disc is installed in the placement groove, the liquid heater also comprises an infrared temperature detector and a control mainboard for receiving detection results of the infrared temperature detector, and the control mainboard can start/stop the heating disc; the kettle comprises a kettle body and a placement groove, wherein the placement groove is arranged on the kettle body, the kettle body is arranged in the placement groove, the placement groove is arranged on the inner wall of the placement groove, the kettle body is arranged in the placement groove, the infrared temperature detector is arranged on the inner wall of the placement groove, a gap is reserved between the kettle body and the.

The infrared temperature detectors are arranged at least two and are arranged around the kettle body.

The plurality of infrared temperature detectors are uniformly distributed.

The plurality of infrared temperature detectors are arranged at the same height.

The infrared temperature detectors are four in number.

The placing groove is a conical section with a large opening and a small bottom, and the edge of the bottom of the kettle body is arranged in a rounding way.

The bottom of the heating plate is provided with a mounting seat, and the mounting seat is connected with the bottom of the placement groove; the edge of the heating plate is not contacted with the inner wall of the placing groove.

The base is in a frustum shape with a small upper part and a big lower part.

Still include control panel, control panel sets up on the base, control panel can predetermine the temperature and give control mainboard with signal transmission, and when the temperature that infrared temperature detector detected reached predetermineeing the temperature, control mainboard order heating plate stop heating.

The kettle body is provided with a kettle cover which can cover the opening of the kettle body; a handle is fixed on the kettle body.

The utility model has the advantages that;

1. compared with other temperature detectors, the infrared temperature detector has more accurate detection result and quicker response; the infrared temperature detector is arranged on the side wall of the accommodating groove and aligned to the side wall of the kettle body, so that the interference of heat emitted by the heating plate is greatly reduced, and the detection result of the infrared temperature detector is more accurate; the infrared temperature detector can be contacted with the kettle body to detect the temperature, thereby reducing the difficulty of product processing.

2. The infrared ray temperature detector encircles the kettle body and sets up on the arrangement groove lateral wall, and a plurality of infrared ray temperature detectors aim at the different positions of the kettle body simultaneously and carry out temperature detection, can avoid the too big inaccurate condition of temperature measuring result that leads to of local difference in temperature like this, so the utility model discloses testing result is more accurate.

3. The placing groove is arranged in a conical section, and the edge of the bottom of the kettle body is arranged in a rounding manner, so that the difficulty in aligning the kettle body can be reduced, and the use is more convenient; in addition, the kettle body is stressed more uniformly, and is not easy to break when in collision, so that the use safety is improved.

4. After the temperature that infrared temperature detector detected reached preset temperature, the dish that generates heat accepts the order and stops heating, can prevent effectively that equipment from overheated, has avoided the accident to take place, so the security of using is higher.

Drawings

Fig. 1 is one of the schematic structural diagrams of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of a part of the structure of the present invention;

fig. 4 is a second schematic structural diagram of the present invention;

the reference numbers in the figures mean:

1-a base, 2-a kettle body, 3-a heating plate, 4-a placement cavity, 5-an infrared temperature detector,

6-control main board, 7-mounting seat, 8-control panel, 9-pot cover, 10-handle,

11-grip.

Detailed Description

The invention will be further described in the following with reference to the accompanying drawings in which:

referring to FIGS. 1-4: a liquid heater comprises a base 1, a kettle body 2 and a heating disc 3 used for heating liquid in the kettle body 2, wherein a placement groove 4 for placing the kettle body 2 is formed in the base 1, the heating disc 3 is installed in the placement groove 4, the liquid heater also comprises an infrared temperature detector 5 and a control mainboard 6 for receiving detection results of the infrared temperature detector 5, and the control mainboard 6 can start/stop the heating disc 3; at least one infrared temperature detector 5 is arranged on the inner wall of the placement groove 4, a gap is reserved between the kettle body 2 and the inner wall of the placement groove 4, and the infrared temperature detector 5 is aligned to the side wall of the kettle body 2 and is not in contact with the kettle body 2.

The utility model discloses preferred control mainboard 6 is the PCB circuit board.

Compared with other temperature detectors, the infrared temperature detector 5 has more accurate detection result and quicker response; the infrared temperature detector 5 is arranged on the side wall of the accommodating groove 4 and aligned to the side wall of the kettle body 2, so that the interference of heat emitted by the heating disc 3 is greatly reduced, and the detection result of the infrared temperature detector 5 is more accurate; the infrared temperature detector 5 can be contacted with the kettle body 2 for temperature detection, thereby reducing the difficulty of product processing.

At least two infrared temperature detectors 5 are arranged, and the infrared temperature detectors 5 are arranged around the kettle body 2; a plurality of infrared ray temperature detectors 5 aim at the different positions of the kettle body 2 simultaneously and carry out temperature detection, can avoid the too big inaccurate condition of temperature measurement result that leads to of local difference in temperature like this, so the utility model discloses the testing result is more accurate.

Preferably, four infrared temperature detectors 5 are arranged, and the infrared temperature detectors 5 are uniformly distributed; the infrared temperature detectors 5 are arranged at the same height.

The placing groove 4 is a conical section with a large opening and a small bottom, and the edge of the bottom of the kettle body 2 is arranged in a rounding way; thus, the difficulty of aligning the kettle body 2 can be reduced, and the use is more convenient; in addition, the kettle body 2 is stressed more uniformly, and the kettle body 2 is not easy to break when collision occurs, so that the use safety is improved.

The bottom of the heating plate 3 is provided with a mounting seat 7, and the mounting seat 7 is connected with the bottom of the placing groove 4; the edge of the heating plate 3 is not contacted with the inner wall of the placing groove 4; the heat generated by the heating plate 3 is prevented from damaging the base 1, so that the service life is prolonged.

The base 1 is in a frustum shape with a small upper part and a big lower part; the gravity center of the base 1 is enabled to be at the bottom, the side turning is not easy to happen, and the use is safer.

The heating plate is characterized by further comprising a control panel 8, wherein the control panel 8 is arranged on the base 1, the control panel 8 can preset temperature and transmit signals to the control mainboard 6, and when the temperature detected by the infrared temperature detector 5 reaches the preset temperature, the control mainboard 6 commands the heating plate 3 to stop heating; can effectively prevent the equipment from being overheated, avoid the accident and have higher safety in use.

The pot body 2 is provided with a pot cover 9, the pot cover 9 can cover the opening of the pot body 2, and the utility model is preferably provided with a holding part 11 above the pot cover 9 for a user to hold; the kettle body 2 is fixed with a handle 10, and the handle 10 is convenient for a user to take and place the kettle body.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a liquid heater, includes base (1), the kettle body (2) and is arranged in heating the kettle body (2) liquid generate heat set (3), be provided with on base (1) and place basin (4) of the kettle body (2), generate heat set (3) and install in basin (4) of placing, its characterized in that: the heating plate is characterized by further comprising an infrared temperature detector (5) and a control main board (6) for receiving detection results of the infrared temperature detector (5), wherein the control main board (6) can start/stop the heating plate (3) to work; the kettle is characterized in that at least one infrared temperature detector (5) is arranged on the inner wall of the placement groove (4), a gap is reserved between the kettle body (2) and the inner wall of the placement groove (4), and the infrared temperature detector (5) is aligned to the side wall of the kettle body (2) and is not in contact with the kettle body (2).

2. A liquid heater as claimed in claim 1, wherein: the infrared temperature detectors (5) are arranged at least two, and the infrared temperature detectors (5) are arranged around the kettle body (2).

3. A liquid heater as claimed in claim 1 or 2, wherein: the infrared temperature detectors (5) are uniformly distributed.

4. A liquid heater as claimed in claim 3, wherein: the infrared temperature detectors (5) are arranged at the same height.

5. A liquid heater as claimed in claim 1, 2 or 4, wherein: the number of the infrared temperature detectors (5) is four.

6. A liquid heater as claimed in claim 5, wherein: the placing groove (4) is a conical section with a large opening and a small bottom, and the edge of the bottom of the kettle body (2) is arranged in a rounding way.

7. A liquid heater as claimed in claim 1 or 2 or 4 or 6, wherein: the bottom of the heating plate (3) is provided with a mounting seat (7), and the mounting seat (7) is connected with the bottom of the placement groove (4); the edge of the heating plate (3) is not contacted with the inner wall of the placing groove (4).

8. A liquid heater as claimed in claim 7, wherein: the base (1) is in a frustum shape with a small upper part and a big lower part.

9. A liquid heater as claimed in claim 1 or 2 or 4 or 6 or 8, wherein: still include control panel (8), control panel (8) set up on base (1), control panel (8) temperature of can predetermineeing and give control mainboard (6) with signal transmission, when the temperature that infrared temperature detector (5) detected reached preset temperature, control mainboard (6) order heating plate (3) stop heating.

10. A liquid heater as claimed in claim 9, wherein: a pot cover (9) is arranged on the pot body (2), and the pot cover (9) can cover the opening of the pot body (2); a handle (10) is fixed on the pot body (2).