Water temperature and water level sensor and production method thereof
A water temperature and water level sensor technology, which is applied in the field of sensors, can solve problems such as water inflow, affecting the normal operation and service life of the water temperature and water level sensor, and the connection of the insulating silicone tube is easy to crack, so as to achieve firm connection, improve service life and performance Good results
Inactive Publication Date: 2014-02-12
ZHEJIANG BIHUALI ELECTRIC TECH
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Problems solved by technology
Because the water level sensing section is generally made of stainless steel tube, the connection between the insulating silicone tube and the water level sensing section is easy to crack during use, resulting in water ingress, which affects the normal operation and service life of the water temperature and water level sensor
Method used
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Embodiment 1
[0018] Such as figure 1 , figure 2 , image 3 As shown, the water temperature and water level sensor described in this embodiment includes a resistor 4, a thermistor 2, a stainless steel outer tube 9 and a multi-section stainless steel tube 1, and the adjacent two ports of the two adjacent stainless steel tubes 1 are inclined planes. A nickel sheet is spot-welded on the oblique section, and a resistance 4 is welded between two adjacent sections of stainless steel pipe 1. The resistance 4 is welded on the nickel sheet, and a high-temperature wire is welded in the stainless steel pipe 1 at the top and end respectively, and the high-temperature wire passes through Pass through each stainless steel tube 1 from the stainless steel tube 1 at the end, weld high-temperature wires at both ends of the thermistor 2, set the thermistor 2 in the second section of the stainless steel tube 1 at the top, and the thermistor 2 The high-temperature wire passes through the inside of the stainl...
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The invention relates to the field of sensors, and particularly discloses a water temperature and water level sensor and a production method thereof. The water temperature and water level sensor is good in usability and simple in production procedure. The water temperature and water level sensor comprises resistors, a thermistor and multiple sections of stainless steel tubes. Two adjacent ports of two adjacent sections of stainless steel tubes are diagonal planes, nickel plates are arranged on the diagonal planes in a spot-welding mode, and the resistors are welded between two adjacent sections of stainless steel tubes. The interior of the stainless steel tube at the top end and the interior of the stainless steel tube at the bottom end are respectively welded with a high-temperature wire, the high-temperature wires penetrate through each stainless steel tube and penetrate out from the stainless steel tube at the bottom end, high-temperature wires are welded at the two ends of the thermistor, the thermistor is arranged in the second section of stainless steel tube at the top end, the high-temperature wires penetrate through the stainless steel tubes and penetrate out from the stainless steel tube at the bottom end, the stainless steel tubes are sleeved with stainless steel outer tubes, and non-conducting rubber tubes are arranged among the stainless steel tubes for fixing and connecting the stainless steel tubes. The water temperature and water level sensor has the advantages of being low in production cost, simple in production procedure, good in usability, and the like.
Description
technical field [0001] The invention relates to the field of sensors, in particular to a water temperature and water level sensor and a production method thereof. Background technique [0002] The water temperature and water level sensor is installed in the water tank of the solar water heater to detect the water temperature and water level in the water tank. The outside of the water level sensing circuit is connected in series with the water level sensing section respectively. The insulating silicone section is connected between two adjacent water level sensing sections. The water level sensing section and the insulating silicone section are integrated. Externally, a stainless steel sleeve serves as the common electrode. Because the water level sensing section generally uses stainless steel tubes, the connection between the insulating silicone tube and the water level sensing section is easy to crack during use, resulting in water ingress, which affects the normal operatio...
Claims
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IPC IPC(8): G01K7/22G01F23/00
Inventor 付存谓郭峰
Owner ZHEJIANG BIHUALI ELECTRIC TECH
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