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Water temperature and water level measuring device for solar water heater

A solar water heater, water temperature and water level technology, applied in solar thermal devices, solar thermal power generation, heating devices, etc., can solve problems such as shortened service life, failure of water temperature sensors, etc., to achieve extended service life, low water quality requirements, and avoid direct contact Effect

Inactive Publication Date: 2013-01-16
东莞市亚登电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the water temperature sensor is in direct contact with water, it is easy to cause the water temperature sensor to malfunction and shorten the service life

Method used

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  • Water temperature and water level measuring device for solar water heater
  • Water temperature and water level measuring device for solar water heater
  • Water temperature and water level measuring device for solar water heater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as Figure 1 to Figure 3 As shown, the solar water heater water temperature and water level measuring device of the present invention includes a sealed case 1, a sensor case 2 connected to the top of the sealed case 1, a top cover 3 connected to the top of the sensor case 2, and a water pressure valve is provided on the side wall of the top cover. The through hole 31, the inner wall of the sensor housing 2 is provided with three steps, which are the first step 21 on the upper part of the inner wall, the second step 22 on the middle part of the inner wall, and the third step 24 on the lower part of the inner wall. The first step 21 is connected to the built-in type deformation shell 4, a beam 41 is bonded to the lower part of the inner wall of the built-in deformation shell 4, a strain gauge 42 is bonded to the bottom end of the beam 41, a guide rod 43 is crimped on the top of the middle part of the beam 41, and a guide rod 43 is bonded to a top end Hydraulic pressu...

Embodiment 2

[0038] Such as Figure 4 to Figure 6As shown, the solar water heater water temperature and water level measuring device of the present invention includes a sealed shell 1, a sensor shell 2 connected to the upper part of the sealed shell 1, and the inner wall of the sensor shell 2 is provided with three steps, which are respectively the first step 21 on the upper part of the inner wall. , the second stepped platform 22 in the middle of the inner wall, the third stepped platform 24 at the lower part of the inner wall, the first stepped platform 21 on the upper part of the sensor shell 2 is connected with an upwardly convex deformed shell 7, and the upper part of the upwardly convex deformed shell 7 is provided with a stepped platform 71 , a top cover 3 is connected to the stepped platform 71, a crossbeam 41 is bonded to the lower part of the inner wall of the upward convex deformation shell 7, a strain gauge 42 is bonded to the bottom of the crossbeam 41, and a guide rod 43 is cr...

Embodiment 3

[0041] Such as Figure 7 to Figure 9 As shown, the solar water heater water temperature and water level measuring device of the present invention includes a sealed case 1, a sensor case 2 connected to the top of the sealed case 1, a top cover 3 connected to the top of the sensor case 2, and a water pressure valve is provided on the side wall of the top cover. The through hole 31, the inner wall of the sensor housing 2 is provided with three steps, which are the first step 21 on the upper part of the inner wall, the second step 22 on the middle part of the inner wall, and the third step 24 on the lower part of the inner wall. The first step 21 is bonded with Crossbeam 41, the bottom end of crossbeam 41 is bonded with strain gauge 42, and the top of the middle part of crossbeam 41 is crimped with guide rod 43, and the top of guide rod 43 is bonded with hydraulic pressure plate 44; A water temperature sensor through hole 23 is provided between the platform 21 and the outer periph...

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Abstract

The invention discloses a water temperature and water level measuring device for a solar water heater. The water temperature and water level measuring device comprises a sealing shell, and a sensor shell connected with the upper part of the sealing shell, wherein the upper part of the sensor shell is connected with a top cover; the sensor shell is connected with a deformation shell; a beam is adhered to the inner wall of the sensor shell or the inner wall of the deformation shell; a strain piece is adhered to the bottom of the beam; a guide rod is pressed against the top of the middle part of the beam; a hydraulic pressure piece is adhered to the top of the guide rod; a hydraulic pressure through hole is formed in the top cover or the deformation shell; a water temperature sensor through hole is formed in the side wall of the sensor shell or the top cover; a water temperature sensor sleeve is adhered in the water temperature sensor through hole; a water temperature sensor is arranged in the water temperature sensor sleeve; a connecting plate is connected to the bottom of the inner wall of the sensor shell; and the bottom end of the connecting plate is connected with a signal processing plate. The water temperature and water level measuring device is novel, unique, high in sensitivity and low in water quality requirement and performs all-weather continuous measurement; and by adoption of the strain piece and the unique design, a sensing part is prevented from being in direct contact with water, and the service life of the sensor is prolonged.

Description

technical field [0001] The invention relates to accessories of solar water heaters, in particular to a device for measuring water temperature and level of solar water heaters with novel structure and long service life. Background technique [0002] With the gradual development of solar thermal utilization, solar water heaters have developed rapidly as the main representative of solar thermal utilization. As a component that can detect water temperature and level, and convert the detected water temperature and level into electrical signals, solar water heater It is widely used in water heaters and also plays a pivotal role. Since the water temperature and water level sensor often works in the storage tank of the water heater, the signal line and electronic devices are easily corroded during the long-term boiling and steaming process. Water quality problems are serious in many areas of China, and scale is easy to adhere to the electrodes and temperature-sensing components of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/46
CPCY02E10/40
Inventor 冯先文周海鸣
Owner 东莞市亚登电子有限公司
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