CN-224231118-U - Sonar temperature sensor and electric kettle for realizing water level measurement based on sonar technology

Abstract

The utility model discloses a sonar temperature sensor and an electric kettle for realizing water level measurement based on a sonar technology, wherein the sonar temperature sensor is integrated with a sonar sensor and a temperature sensor, and comprises a T-shaped sensor shell, a sonar transduction piece and a temperature measuring circuit board, wherein the sonar transduction piece and the temperature measuring circuit board are arranged in the sensor shell, the sonar transduction piece is glued above the inside of the sensor shell by epoxy resin glue, the temperature measuring circuit board is arranged on the inner wall of the sensor shell and is respectively connected with the sensor shell, and then encapsulated by epoxy resin, the sensor shell is made of 304 stainless steel, and the sensor shell is directly used for receiving and transmitting signals of the sonar sensor and the temperature sensor so as to conveniently detect the water level and the water temperature. The utility model integrates the sonar temperature sensor, is convenient to install and can improve the measurement accuracy of the water level through the sonar sensor.

Inventors

• ZHU ZHIQING
• FENG ZHENGXING
• LIU JIE

Assignees

• 成都知改科技有限公司

Dates

Publication Date

20260512

Application Date

20250717

Claims (9)

1. 1. A sonar temperature sensor is integrated with a sonar sensor and a temperature sensor, which is characterized in that, The sonar temperature sensor comprises a T-shaped sensor shell, a sonar transduction piece and a temperature measuring circuit board, wherein the sonar transduction piece and the temperature measuring circuit board are arranged in the sensor shell, the sonar transduction piece is glued above the inside of the sensor shell by using epoxy resin glue, the temperature measuring circuit board is arranged on the inner wall of the sensor shell and is respectively connected with the sensor shell, and then the sensor shell is encapsulated by epoxy resin, the sensor shell is made of 304 stainless steel, and the sensor shell is directly used for receiving and transmitting signals of the sonar sensor and the temperature sensor so as to detect the water level height and the water temperature.
2. 2. A sonar temperature sensor according to claim 1, wherein the T-shaped sensor housing has an external thread at its lower end, and a locking nut is engaged with the external thread to lock the sonar temperature sensor.
3. 3. A sonar temperature sensor according to claim 1 or 2, wherein the sonar sensor is a 2000-4000 khz waterproof sonar sensor.
4. 4. An electric kettle for realizing water level measurement based on sonar technology, which is characterized in that a sonar temperature sensor as set forth in any one of claims 1-3 is provided.
5. 5. The electric kettle based on the sonar technology for water level measurement is characterized by comprising an upper coupler and a sonar temperature sensor which are arranged at the bottom of a kettle body of the electric kettle, a lower coupler and a circuit board which are arranged in a heating base, and a display panel which is arranged on the heating base, wherein a circular through hole is formed in a bottom plate of the bottom of the kettle body of the electric kettle, the sonar temperature sensor integrated with the sonar sensor and the temperature sensor is arranged at the circular through hole in a sealing mode so as to be convenient for detecting the water level and the water temperature in the kettle body of the electric kettle, the sonar temperature sensor is connected with the upper coupler through a plug spring wire, the lower coupler is connected with the circuit board, the circuit board is also connected with a display panel, and the electric kettle is connected with the lower coupler in the heating base through the upper coupler and the lower coupler in the electric kettle body of the electric kettle, and is electrified and subjected to signal transmission and then displayed through the display panel.
6. 6. The electric kettle for realizing water level measurement based on the sonar technology according to claim 5, wherein the sensor housing is sleeved with a silica gel gasket so as to facilitate sealing and mounting of the sonar temperature sensor at the bottom of the kettle body of the electric kettle.
7. 7. The electric kettle for realizing water level measurement based on the sonar technology according to claim 5, wherein the circuit board comprises a power supply LDO, an amplifier and a singlechip, wherein the power supply LDO supplies power to a sonar temperature sensor, the amplifier is connected with the sonar sensor and is used for amplifying a sonar signal of the sonar sensor and then transmitting the amplified signal to the singlechip, and the singlechip is connected with the sonar sensor and the temperature sensor and is used for receiving a temperature signal and a sonar signal and outputting processed data to a display panel for display.
8. 8. The electric kettle for realizing water level measurement based on sonar technology as defined in claim 7, wherein said single chip microcomputer is a 32-bit single chip microcomputer with arm architecture.
9. 9. An electric kettle for realizing water level measurement based on sonar technology according to any one of claims 5-8, wherein said display panel is an LCD display screen.

Description

Sonar temperature sensor and electric kettle for realizing water level measurement based on sonar technology Technical Field The utility model relates to the technical field of household appliances, in particular to a sonar temperature sensor and an electric kettle for realizing water level measurement based on a sonar technology. Background The water level measuring method of the traditional electric kettle mainly adopts a floating ball type, an electrode type, a pressure sensor type and the like. The floating ball type structure is easy to be influenced by scale to cause clamping stagnation, the electrode type structure has corrosion risk and cannot accurately measure low water level, and the pressure sensor type structure has higher requirements on the tightness of the container. The current water level measuring method needs to install a plurality of detection sensors to realize water level detection, needs to arrange corresponding temperature sensors, has complex installation process, and is difficult to effectively compensate by a traditional algorithm due to the fact that the detector is installed below the kettle cover according to the prior patent such as CN201510485876.4, although scale interference can be avoided, signals are transmitted through the coupler, the structure is complex and is easily influenced by steam, and the signal attenuation of the detector is caused by the steam generated when the electric kettle is heated. Thus, the existing electric kettles have water level measuring probes and temperature sensors, which lead to complex installation, and pressure sensors or probes arranged below the kettle lid, which can lead to inaccurate measurements due to tightness or steam effects. Disclosure of utility model In order to solve the technical problems in the prior art, the utility model aims to provide a sonar temperature sensor and an electric kettle for realizing water level measurement based on a sonar technology, wherein the sonar temperature sensor integrated with the sonar sensor and the temperature sensor is hermetically arranged at the bottom of the kettle body of the electric kettle, so that the temperature and the water level are detected, and the measurement accuracy is improved. The utility model solves the problems by the following technical proposal: The sonar temperature sensor is integrated with a sonar sensor and a temperature sensor, and comprises a T-shaped sensor shell, a sonar transduction piece and a temperature measuring circuit board, wherein the sonar transduction piece and the temperature measuring circuit board are arranged in the sensor shell, the sonar transduction piece is glued above the inside of the sensor shell by using epoxy resin glue, the temperature measuring circuit board is arranged on the inner wall of the sensor shell and is respectively connected with the sensor shell, and then the sensor shell is encapsulated by epoxy resin, the sensor shell is made of 304 stainless steel, and the sensor shell is directly used for receiving and transmitting signals of the sonar sensor and the temperature sensor so as to detect the water level and the water temperature. As a further improvement, the lower end of the T-shaped sensor housing is provided with external threads, and the locking nut is matched with the external threads to realize locking so as to fix the sonar temperature sensor. As a further improvement, the sonar sensor is a 2000-4000 kHz waterproof sonar sensor. Meanwhile, the utility model also solves the problems through the following technical scheme: An electric kettle for realizing water level measurement based on sonar technology is provided with the sonar temperature sensor. The electric kettle is characterized by further comprising an upper coupler and a sonar temperature sensor which are arranged at the bottom of the electric kettle body, a lower coupler and a circuit board which are arranged in a heating base, and a display panel which is arranged on the heating base, wherein a circular through hole is formed in a bottom plate of the bottom of the electric kettle body, the sonar temperature sensor integrated with the sonar sensor and the temperature sensor is arranged at the circular through hole in a sealing manner so as to be convenient for detecting the water level and the water temperature in the electric kettle body, the sonar temperature sensor is connected with the upper coupler through a plug spring wire, the lower coupler is connected with the circuit board, the circuit board is also connected with a display panel, and the upper coupler in the electric kettle body and the lower coupler in the heating base are connected with each other to realize the connection of the sonar temperature sensor and the circuit board, electrify and perform signal transmission and display through the display panel. As a further improvement, the sensor shell is sleeved with a silica gel gasket so as to facilitate the sealing and mounting of the sonar te