CN219551719U - Temperature sensor for solar water heater - Google Patents

Abstract

The utility model discloses a temperature sensor for a solar water heater, and relates to the technical field of temperature sensors. The utility model comprises a thermistor, a tube shell and a wire, wherein the tube shell is fixedly connected with the wire, the thermistor is sleeved in the tube shell, the wire is sleeved with a silica gel sleeve, and the silica gel sleeve is positioned at the rolling groove position of the tube shell; the lead comprises a silica gel sheath wire and an anti-UV sheath wire; the connecting part of the silica gel sheath wire and the UV resistant sheath wire is coated with a heat-shrinkable sleeve. According to the utility model, the silica gel sleeve is additionally arranged between the tube shell rolling groove position and the lead, so that the sealing effect between the tube shell and the lead is improved, the service life is prolonged, and the lead is combined with the UV-resistant sheath line, so that the ultraviolet resistance effect is effectively improved, the service life is prolonged, and the production cost is saved.

Description

Temperature sensor for solar water heater

Technical Field

The utility model belongs to the technical field of temperature sensors, and particularly relates to a temperature sensor for a solar water heater.

Background

The use of solar water heater has become a trend, and more consumers begin to consider selecting solar water heater, especially after solar water heater combines with intelligent control system, have increased people's interest of selecting solar water heater more.

The existing solar water heater not only can display water temperature and water level, but also can intelligently control water supply and automatically control water temperature, and simultaneously has an overtemperature protection function. And the solar water heater needs to realize intelligent control, so that the temperature sensor cannot be separated.

At present, a temperature sensor is inserted into a stainless steel tube shell through a cable, the temperature sensor of a finished product is mainly installed on a water tank liner, the sealing performance of the temperature sensor for the existing solar water heater is reduced after long-time use, the temperature sensor is prone to failure, meanwhile, the ultraviolet resistance effect of a lead of the temperature sensor is poor, the temperature sensor is used outdoors for a long time, ageing is prone to occur, and the service life is influenced.

Disclosure of Invention

The utility model aims to provide a temperature sensor for a solar water heater, which solves the problems of tightness and easy aging of a lead of the traditional temperature sensor by adding a silica gel sleeve between a rolling groove position of a pipe shell and the lead and arranging a silica gel sheath wire and an anti-UV sheath wire.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a temperature sensor for a solar water heater, which comprises a thermistor, a tube shell and a wire, wherein the tube shell is fixedly connected with the wire, the thermistor is sleeved in the tube shell, a silica gel sleeve is sleeved on the wire, and the silica gel sleeve is positioned at a rolling groove position of the tube shell; the wire comprises a silica gel sheath wire and an anti-UV sheath wire; the thermal shrinkage sleeve is arranged at the joint of the silica gel sheath wire and the UV resistant sheath wire in a wrapping mode.

As a preferable technical scheme of the utility model, the silica gel sheath wire is connected with the UV-resistant sheath wire by welding, an inner-layer heat-shrinkable tube is coated at the welding point, and two ends of the inner-layer heat-shrinkable tube are respectively coated at the outer sides of the inner sheaths of the wires of the silica gel sheath wire and the UV-resistant sheath wire.

As a preferable technical scheme of the utility model, the utility model further comprises a middle-layer heat-shrinkable tube, wherein the middle-layer heat-shrinkable tube is coated on the outer sides of the two inner-layer heat-shrinkable tubes, and the outer sides of the wire inner jackets of the sleeve wires and the UV-resistant sheath wires.

As a preferable technical scheme of the utility model, two ends of the heat-shrinkable sleeve are respectively coated on the outer sides of the silica gel sheath wire and the UV-resistant sheath wire.

As a preferable technical scheme of the utility model, the number of the rolling grooves of the tube shell is two or more, and the rolling grooves are all positioned at the positions of the silica gel sleeve.

As a preferable technical scheme of the utility model, the silica gel sleeve is positioned inside the tube shell.

As a preferable technical scheme of the utility model, the thermistor is coated with the encapsulation adhesive, and the outer side of the encapsulation adhesive is coated with the heat-conducting silicone grease.

The utility model has the following beneficial effects:

according to the utility model, the silica gel sleeve is additionally arranged between the tube shell rolling groove position and the lead, so that the sealing effect between the tube shell and the lead is improved, the service life is prolonged, and the lead is combined with the UV-resistant sheath line, so that the ultraviolet resistance effect is effectively improved, the service life is prolonged, and the production cost is saved.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a temperature sensor for a solar water heater according to the present utility model;

FIG. 2 is a schematic diagram of a silica gel sleeve and a wire;

FIG. 3 is an enlarged schematic view of the portion A of FIG. 1;

in the drawings, the list of components represented by the various numbers is as follows:

1-tube shell, 2-wire, 3-silica gel sleeve, 4-heat shrinkage sleeve, 5-inner layer heat shrinkage tube, 6-middle layer heat shrinkage tube, 21-silica gel sheath wire and 22-UV resistant sheath wire.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

Example 1

Referring to fig. 2, the utility model relates to a temperature sensor for a solar water heater, which comprises a thermistor, a tube shell 1 and a lead 2, wherein two pins of the thermistor are respectively connected with the positive electrode and the negative electrode of the lead 2, and the thermistor is immersed in an encapsulating adhesive and is solidified to form encapsulation for the thermistor.

As shown in fig. 1, after the heat-conducting silicone grease is coated on the outer side of the encapsulation glue, the tube shell 1 is fixedly connected with the lead 2, the thermistor is sleeved in the tube shell 1, the lead 2 is sleeved with the silica gel sleeve 3, and the silica gel sleeve 3 is positioned at the rolling groove position of the tube shell 1. Specifically, the silica gel sleeve 3 is sleeved outside the lead 2, and then the tube shell 1 is sleeved outside the thermistor, and the silica gel sleeve 3 is positioned inside the tube shell 1, namely, the silica gel sleeve 3 does not extend out of the tube shell 1, and a tube groove is formed in the tube shell 1, so that the tube shell 1 is clamped with the silica gel sleeve 3 and the lead 2 to realize connection and fixation.

Wherein, the number of the rolling grooves of the tube shell 1 is two or more, and the rolling grooves are all positioned at the position of the silica gel sleeve 3, the sealing performance is improved by a plurality of rolling grooves, as two examples are shown in the figure, the distances between the two rolling grooves and the port of the tube shell 1 are respectively L1 and L2, L1 is 6-7 mm, L2 is 12-13 mm, and the length of the silica gel sleeve 3 is 19-21 mm.

Through increase silica gel sleeve pipe 3 between tube shell 1 and wire 2 to the effectual holistic leakproofness that has improved to, utilize tube shell 1 to the protection of silica gel sleeve pipe 3, be favorable to reducing the ageing of silica gel sleeve pipe 3, improve holistic life.

Meanwhile, the lead 2 includes a silicone sheath wire 21 and a UV-resistant sheath wire 22; one end of the silica gel sheath wire 21 is connected with the thermistor, the other end of the silica gel sheath wire 21 is connected with the UV-resistant sheath wire 22, and the heat shrinkage sleeve 4 is coated at the joint of the silica gel sheath wire 21 and the UV-resistant sheath wire 22.

Through using silica gel sheath line 21 and anti UV sheath line 22 cooperation, guarantee the leakproofness of silica gel sheath line 21 and anti UV sheath line 22 tie point through heat shrinkage bush 4, utilize anti UV sheath line 22's ultraviolet resistance, improved life promptly, practiced thrift holistic manufacturing cost again.

Example two

Based on embodiment one, as shown in fig. 3, the silica gel sheath wire 21 is connected with the anti-UV sheath wire 22 through welding, and after the silica gel sheath wire 21 is correspondingly connected with the positive and negative electrode wires of the anti-UV sheath wire 22, the welding spot position is coated with the inner layer heat shrinkage tube 5, and two ends of the inner layer heat shrinkage tube 5 are respectively coated on the outer sides of the inner sheath of the wires of the silica gel sheath wire 21 and the anti-UV sheath wire 22, so that the sealing of the connection point is realized through the inner layer heat shrinkage tube 5.

Meanwhile, the novel heat-shrinkable tube comprises a middle-layer heat-shrinkable tube 6, the middle-layer heat-shrinkable tube 6 is coated on the outer sides of the two inner-layer heat-shrinkable tubes 5, and the outer sides of the wire inner jackets of the sleeve wires 201 and the anti-UV (ultraviolet) sleeve wires 22, and the two ends of the heat-shrinkable tube 4 are coated on the outer sides of the silica gel sleeve wires 21 and the anti-UV sleeve wires 22 respectively, so that the heat-shrinkable tube 4 is utilized to realize the first-layer sealing protection, the middle-layer heat-shrinkable tube 6 is utilized to realize the second-layer protection, and finally the inner-layer heat-shrinkable tube 5 is utilized to realize the third-layer protection, so that the overall sealing performance is improved, and the overall use reliability and the service life are improved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The utility model provides a temperature sensor for solar water heater, includes thermistor, tube shell (1) and wire (2) fixed connection, and in tube shell (1), its characterized in that are located to the thermistor cover:

the lead (2) is sleeved with a silica gel sleeve (3), and the silica gel sleeve (3) is positioned at the rolling groove position of the tube shell (1); the lead (2) comprises a silica gel sheath wire (21) and a UV resistant sheath wire (22);

the thermal shrinkage sleeve comprises a thermal resistor, a silica gel sheath wire (21) and a thermal shrinkage sleeve (4), wherein the silica gel sheath wire (21) is connected with the thermal resistor, and the thermal shrinkage sleeve (4) is coated at the joint of the silica gel sheath wire (21) and the UV-resistant sheath wire (22).

2. The temperature sensor for the solar water heater according to claim 1, wherein the silica gel sheath wire (21) is connected with the anti-UV sheath wire (22) through welding, an inner heat shrinkage tube (5) is coated at a welding point position, and two ends of the inner heat shrinkage tube (5) are respectively coated on the outer sides of the inner sheaths of the wires of the silica gel sheath wire (21) and the anti-UV sheath wire (22).

3. The temperature sensor for the solar water heater according to claim 2, further comprising a middle heat shrinkage tube (6), wherein the middle heat shrinkage tube (6) is coated on the outer sides of the two inner heat shrinkage tubes (5), and the outer sides of the wire inner jackets of the sleeve wires (201) and the anti-UV (ultraviolet) sheath wires (22).

4. A temperature sensor for a solar water heater according to claim 1, 2 or 3, wherein both ends of the heat-shrinkable sleeve (4) are respectively coated on the outer sides of the silica gel sheath wire (21) and the UV-resistant sheath wire (22).

5. A temperature sensor for solar water heater according to claim 1, characterized in that the number of the rolling grooves of the tube shell (1) is two or more, and the rolling grooves are all positioned at the position of the silica gel sleeve (3).

6. A temperature sensor for solar water heater according to claim 1 or 5, characterized in that the silicone sleeve (3) is located inside the tube housing (1).

7. The temperature sensor for a solar water heater according to claim 1, wherein the thermistor is coated with an encapsulation compound, and the outside of the encapsulation compound is coated with a heat-conductive silicone grease.