CN201203482Y - Water temperature and level sensor - Google Patents

Abstract

The utility model relates to a water temperature and water level sensor which comprises temperature measurement resistances, water level electrodes and silica gel pipes, a plurality of water level electrodes and silica gel pipes are connected in order by stainless steel seal fixing clip rings, the seal fixing clip ring sleeves are arranged at ends connecting the water level electrodes and the silica gel pipes; the silica gel on the upper end of the water temperature and water level sensor are sleeved with stainless steel supports; the silica gel pipe on the lower end of the water temperature and water level sensor are sleeved with common electrodes by seal fixing clip rings, common electrode caps are in screw connection at the front ends of the common electrodes, silica gel seal rings are arranged between the common electrodes and the common electrode caps; leads are arranged in the inner cavities of the supports, the silica gel pipes and the water level electrodes, the front ends of the leads are electrically connected with inner wall ends of the water level electrodes, the temperature measurement resistances and the common electrode ends, the rear ends of the leads are connected with specific display control devices; water-proof sealing silica gels are filled in the inner cavities of the water level electrodes and silica gel pipes. The utility model has advantages of simple structure, low production cost, easy manufacture and high safe coefficient.

Description

Water temperature and level sensor

Technical field:

The utility model relates to a component for measuring water temperature and water level, in particular to a water temperature and water level sensor which is waterproof against vapor and scale erosion.

Background technique:

In the prior art, in order to solve the problem of measuring water temperature and water level in water, most manufacturers adopt the electrode point type, but the sealing problem of the temperature measuring resistance, the water level electrode and the signal line has always troubled many sensor researchers, and because the signal line Breathing capillarity causes the signal line to be corroded by water vapor, the resistance increases and even the signal line is corroded and broken, which directly leads to the failure of the control components and makes the water temperature and water level display inaccurate. As a water temperature and water level sensor in contact with water, the general treatment method is to cover the electrode with a silicone tube, and then fill it with polyurethane to prevent water erosion, or to prevent corrosion through circuit treatment, but due to the affinity between the silicone tube and the stainless steel electrode And degree and the aging of the silicone tube and the validity of the circuit, so it cannot fundamentally solve the waterproof and anti-corrosion problem of the water temperature and water level sensor.

Utility model content:

The utility model provides a water temperature and water level sensor, which has the advantages of simple structure, low production cost, easy processing, high safety factor, can effectively prevent water vapor and scale erosion, and solves the problems existing in the prior art.

The technical scheme adopted by the utility model for solving the above-mentioned technical problems is: it includes a temperature measuring resistor, a water level electrode and a silicone tube, and the several water level electrodes and the silicone tube are sequentially connected through a stainless steel sealing and fixing snap ring, and the sealing and fixing snap ring The sleeve is placed at the end of the connection between the water level electrode and the silicone tube; the silicone tube at the upper end of the water temperature and water level sensor is socketed with the stainless steel bracket; the silicone tube at the lower end of the water temperature and water level sensor is socketed with the common pole through a sealing and fixing snap ring, and threaded at the front end of the common pole There is a public pole cap, and there is a silicone sealing ring between the public pole and the public pole cap; the wire is placed in the cavity inside the bracket, the silicone tube and the water level electrode, and its front end is respectively connected to the end of the inner wall of each water level electrode, the measuring The temperature resistance is electrically connected to the top of the common pole, and the rear end is connected to a special display control device; the inner cavity of the water level electrode and the silicone tube is also filled with waterproof and sealed silicone.

The utility model adopts the above-mentioned structure, and compared with the prior art, it has the characteristics of reasonable design, simple structure, easy processing, convenient use, high safety factor, etc., and completely avoids the water ingress and corrosion of the water level sensor caused by the erosion of the environmental medium, thereby Problems that lead to inaccurate tests. Therefore, it has good value of promotion and use.

Description of drawings:

Fig. 1 is the structural representation of the utility model.

Fig. 2 is an enlarged view of part A in Fig. 1 .

Among them, 1. Temperature measuring resistance; 2. Water level electrode; 3. Silicone tube; 4. Sealing and fixing snap ring; 5. Bracket; 6. Common pole; 7. Common pole cap; 8. Silicone sealing ring;

Detailed ways:

In order to clearly illustrate the technical features of this solution, the utility model will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

As shown in the figure, the utility model includes a temperature measuring resistor 1, a water level electrode 2 and a silicone tube 3. The several water level electrodes 2 and the silicone tube 3 are sequentially connected through a stainless steel sealing and fixing snap ring 4, and the sealing and fixing snap ring 4 Sleeved at the end of the connection between the water level electrode 2 and the silicone tube 3, the sealing and fixing snap ring 4 can effectively prevent water or water vapor from eroding into the sensor; the silicone tube 3 at the upper end of the water temperature and water level sensor is connected to the stainless steel bracket 5; the water temperature and water level sensor The silicone tube 3 at the lower end is socketed with the common pole 6 through the sealing and fixing snap ring 4, and a common pole cap 7 is threadedly connected to the front end of the common pole 6, and a silicone sealing ring 8 is also provided between the common pole 6 and the common pole cap 7; The wire 9 is placed in the cavity inside the bracket 5, the silicone tube 3 and the water level electrode 2, and its front end is electrically connected to the inner wall end of each water level electrode 2, the temperature measuring resistor 1 and the end of the common pole 6, and the rear end is connected to the special connected to the display control device; the water level electrode 2 and the inner cavity of the silicone tube 3 are also filled with waterproof sealing silica gel, and the waterproof sealing silica gel is made of 610 type silica gel, which has a good waterproof sealing effect and can effectively prevent water vapor from Corrosion of the signal line, and it has played a good role in fixing the temperature measuring resistance.

The processing and manufacture of the water temperature and water level sensor of the utility model is very simple and convenient, and can be installed and used as shown in the accompanying drawings.

The parts of the utility model that are not described in detail are the known technologies of those skilled in the art.

Claims (1)

1, a kind of water-temperature water-level sensor, comprise temperature detecting resistance, level electrode and silicone tube, it is characterized in that: described several level electrodes and silicone tube are linked in sequence successively by stainless steel sealing and fixing snap ring, and the sealing and fixing snap ring is placed on the end that level electrode is connected with silicone tube; The silicone tube and the stainless steel stent socket of water-temperature water-level sensor upper end; The silicone tube of water-temperature water-level sensor lower end is by sealing and fixing snap ring and public pole socket, at the public pole front end public polar cap that has been threaded, also is provided with silica gel sealing ring between public pole and public polar cap; Lead places the cavity of support, silicone tube and level electrode inside, and its front end is electrically connected with inwall end, temperature detecting resistance and the public pole end of each level electrode respectively, and the rear end links to each other with the display control unit of special use; In level electrode and silicone tube internal cavities, also be filled with waterproof sealing silica gel.

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