CN202676318U

CN202676318U - Temperature sensing blind pipe assembly and water heater

Info

Publication number: CN202676318U
Application number: CN 201220350683
Authority: CN
Inventors: 邓伟彬; 雍文涛
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2012-07-18
Filing date: 2012-07-18
Publication date: 2013-01-16
Anticipated expiration: 2022-07-18

Abstract

The utility model discloses a temperature sensing blind pipe assembly, which comprises a base, blind pipes and a temperature sensor, wherein the temperature sensor is installed in the blind pipes, the open ends of the blind pipes are fixed on the base, the closed ends of the blind pipes are exposed out of the base, the number of the blind pipes is at least two, and the blind pipes are parallel to each other; the base is provided with through holes corresponding to the number of the blind pipes, and the blind pipes are connected with the base through the through holes. Still relate to a water heater including above-mentioned temperature sensing blind pipe subassembly. The temperature sensing blind pipe assembly consisting of the double temperature sensing bags is convenient to mount, the production and assembly working hours of the water tank can be reduced, the production efficiency is improved, and the working hour cost is reduced; the water tank connectors are few, and the hidden danger of water leakage is reduced.

Description

Temperature sensing blind pipe assembly and water heater

Technical Field

The utility model relates to a temperature sensor field especially relates to a temperature sensing blind pipe subassembly and water heater.

Background

Air conditioning unit and water heater all need use temperature sensor, take the water heater as an example, two temperature sensor of general installation, and one is used for reaching automatic outage behind the settlement temperature, and another is super temperature controller, auto-power-off during dry combustion, has realized duplicate protection. The temperature sensor of the existing water heater generally comprises a probe and a thermistor, the thermistor is arranged in a cavity of the probe, the probe is made of a copper material, the probe is connected with the water tank of the water heater in a threaded manner, the two temperature sensors are respectively arranged in the water heater and are vertical to the axial central line of the water tank, two pipe joints are connected in a threaded manner, the welding time of the pipe joints and the assembly time of a temperature sensing assembly are increased, and the attractiveness of the water tank is influenced by exposure when a temperature sensing bulb control is arranged; the water tank joint is easy to cause water leakage hidden trouble, and has high cost and inconvenient maintenance.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of prior art, the utility model provides a reasonable in design, simple structure's temperature sensing blind pipe subassembly, the utility model discloses the technical scheme who realizes that above-mentioned purpose adopts is:

a temperature sensing blind pipe assembly comprises a base, blind pipes and temperature sensors, wherein the temperature sensors are installed in the blind pipes, the open ends of the blind pipes are fixed on the base, the closed ends of the blind pipes are exposed out of the base, the number of the blind pipes is at least two, and the blind pipes are parallel to each other;

the base is provided with through holes corresponding to the number of the blind pipes, and the blind pipes are connected with the base through the through holes.

Preferably, the end face of one end of the base is hexagonal, and a hexagonal groove is formed in the center of the hexagonal end face;

the other end of the base is a cylindrical base end, and external threads are arranged on the outer wall of the cylindrical base end.

Preferably, the number of the blind pipes is two, and the lengths of the two blind pipes are different.

Preferably, the blind pipe and the base are connected in a welding mode or a threaded mode.

Preferably, a bracket is arranged on the end face of the base end.

Preferably, a connecting plate is arranged between the adjacent blind pipes and used for fixing the distance between the adjacent blind pipes.

Preferably, the temperature sensor is an NTC thermistor or PT100 platinum thermistor.

The utility model also provides a water heater, including heating member, inner bag, water inlet, delivery port and shell, still include the temperature sensing blind pipe subassembly of above-mentioned arbitrary technical characteristic.

Preferably, the blind pipe of the temperature sensing blind pipe assembly is parallel to or perpendicular to the axial center line of the inner container.

Preferably, the inner container is a stainless steel inner container or an enamel inner container.

The utility model has the advantages that: the temperature sensing blind pipe assembly consisting of the double temperature sensing bags is convenient to mount, the production and assembly working hours of the water tank can be reduced, the production efficiency is improved, and the working hour cost is reduced; the water tank has few connectors, so that the hidden danger of water leakage is reduced; meanwhile, the installation mode parallel to the axial center line of the inner container of the water tank is adopted, so that the appearance of the water tank is more attractive, and the wires are distributed in a staggered manner.

Drawings

Fig. 1 is a schematic view of the temperature sensing blind pipe assembly according to an embodiment of the present invention assembled to a water heater;

fig. 2 is a front view of an embodiment of the temperature sensing blind pipe assembly of the present invention;

FIG. 3 is a left side view of the temperature sensitive blind pipe assembly shown in FIG. 2;

FIG. 4 is a sectional view along the line A-A of the temperature sensing blind pipe assembly shown in FIG. 3;

FIG. 5 is an enlarged top view of the temperature sensitive blind pipe assembly shown in FIG. 2;

wherein,

1, top cover; 2, pipe joints; 3, covering a sealing cover; 4, water outlet; 5, a blind pipe component; 51 a bracket;

52 a base; 521 a hexagonal groove; 53 short blind pipes; 54 blind pipes; 55 connecting the board;

6, a shell; 7, an inner container; 8, the middle section of the inner container; 9 water inlet; 10, sealing the lower cover; 11 a bottom cover;

12 sewage draining outlet.

Detailed Description

In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the following description, taken in conjunction with the accompanying drawings and embodiments, further elaborates the temperature sensing blind pipe assembly and the water heater of the present invention, taking the water heater as an example. It should be understood that the specific embodiments described herein are only for the purpose of illustrating the present invention and are not intended to limit the use of the temperature sensitive blind pipe assembly described herein in a water heater.

Referring to fig. 1 to 5, the water heater comprises an upper top cover 1, a pipe joint 2, an upper sealing cover 3, a water outlet 4, a temperature sensing blind pipe assembly 5, a shell 6, a liner 7, a water inlet 9, a lower sealing cover 10, a bottom cover 11, a sewage outlet 12 and a heating body (not shown), wherein the shell 6, the top cover 1, the liner 7 and the bottom cover 11 form a water tank, and the liner 7 is arranged in the water tank; the heating body is electric heating, heat pump heating or solar heating;

the inner container 7 is a stainless steel inner container or an enamel inner container, and the inner container 7 is provided with a pipe joint 2, an upper sealing cover 3, a water outlet 4, a temperature sensing blind pipe assembly 5, a water inlet 9, a lower sealing cover 10 and a sewage outlet 12;

the temperature sensing blind pipe assembly 5 comprises a bracket 51, a base 52, two blind pipes with different lengths, a connecting plate 55 and two temperature sensors (not shown), wherein the two temperature sensors are provided with lead-out wires (not shown) arranged at the upper end part of the base, one end of each blind pipe is open, and the other end of each blind pipe is closed; the blind pipes with different lengths are respectively a short blind pipe 53 and a long blind pipe 54, the temperature sensors are respectively installed in the short blind pipe 53 and the long blind pipe 54, the bottoms of the short blind pipe 53 and the long blind pipe 54 are sealed, heat-conducting silica gel is filled in the two blind pipes, the temperature sensors are covered by the heat-conducting silica gel in the blind pipes, and the temperature sensors are NTC thermistors or PT100 platinum thermistors.

The end surface of the upper end of the base 52 is hexagonal, and a hexagonal groove 521 is arranged at the center of the hexagonal end surface; the lower half part of the base 52 is a cylindrical base end, and the outer wall of the cylindrical base end is provided with an external thread which is used for matching with a pipe joint 2 on a water heater liner 7;

the base 52 is provided with two through holes which are respectively used for connecting the short blind pipe 53 and the long blind pipe 54; the leads of the temperature sensors are led out from the through holes where the leads are respectively located, and the short blind pipe 53 and the long blind pipe 54 are connected with the base 52 through the through holes;

one ends of the openings of the short and long

blind pipes

53 and 54 are respectively welded in two through holes on the base 52, and the peripheral sides of the blind pipes are sealed with the contact parts of the through holes, so that the short and long

blind pipes

53 and 54 are respectively fixed on the base 52; preferably, as an alternative, the open ends of the short and long

blind pipes

53 and 54 may be fixed in the two through holes of the base 52 by screw connection.

The short blind pipe 53 and the long blind pipe 54 are parallel to each other, and the short blind pipe 53 and the long blind pipe 54 are both made of stainless steel materials;

one or more connecting plates 55 are arranged between the short blind pipe 53 and the long blind pipe 54, so that the gap distance between the two blind pipes is ensured not to change, and the rigid connection of the two blind pipes is increased; the connecting plate 55 is made of stainless steel material or plastic, and can be integrally formed or formed by fixedly butting two symmetrical plate-shaped objects through welding, screws or buckles; preferably, as an implementation mode, the contact part of the connecting plate 55 and the blind pipe is an arc structure matched with the blind pipe.

The base 52 is provided with the bracket 51, and the bracket is uniformly arranged on one side of the short blind pipe 53 or the long blind pipe 54 and is positioned at the upper end part of the base 52, so that the positions of the long blind pipe 54 and the short blind pipe 53 can be conveniently distinguished, errors in assembly can be prevented, and the assembly consistency can be kept; the support 51 can also be used for fixing the leading-out wires of the temperature sensor and is convenient to take out when the temperature sensing blind pipe assembly 5 is replaced or maintained after sale.

The temperature sensing blind pipe assembly 5 is arranged at the upper part of the inner container 7 of the water heater and is fixed on the inner container 7 by a base 52, external threads on the base 52 are matched with internal threads on the pipe joint 2 of the inner container 7, and the axial central line of the inner container 7 is parallel to the short blind pipe 53 and the long blind pipe 54 of the blind pipe assembly 5; as an implementation mode, the axial center line of the inner container 7 is perpendicular to the short blind pipe 53 and the long blind pipe 54 of the blind pipe assembly 5;

the hexagonal groove 521 is formed in the center of the end face of the base 52 of the temperature sensing blind pipe assembly 5, so that the temperature sensing assembly 5 can be conveniently installed on the water tank liner 7 of the water heater or taken out of the water tank liner 7 by using a small-sized inner hexagonal screwdriver under the condition that the space of a wrench is limited.

The temperature sensing blind pipe assembly consisting of the double temperature sensing bags is convenient to mount, the production and assembly working hours of the water tank can be reduced, the production efficiency is improved, and the working hour cost is reduced; the water tank has few connectors, so that the hidden danger of water leakage is reduced; meanwhile, the installation mode that the water tank liner is parallel to or perpendicular to the axial center line of the water tank liner is adopted, so that the appearance of the water tank is more attractive, and the wiring is staggered.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a temperature sensing blind pipe subassembly, includes base, blind pipe and temperature sensor, wherein temperature sensor installs in the blind pipe, the open end of blind pipe is fixed in on the base, the blind end of blind pipe expose in outside the base, its characterized in that:

the number of the blind pipes is at least two, and the blind pipes are parallel to each other;

2. The temperature-sensing blind pipe assembly according to claim 1, wherein:

the end face of one end of the base is hexagonal, and a hexagonal groove is formed in the center of the hexagonal end face;

3. The temperature-sensitive blind pipe assembly according to claim 1 or 2, characterized in that:

the number of the blind pipes is two, and the lengths of the two blind pipes are different.

4. The temperature-sensitive blind pipe assembly according to claim 1 or 2, characterized in that:

the blind pipe and the base are connected in a welding mode or a threaded mode.

5. The temperature-sensing blind pipe assembly according to claim 4, wherein:

and a bracket is arranged on the end surface of the base end.

6. The temperature-sensitive blind pipe assembly according to claim 1 or 2, characterized in that:

and a connecting plate is arranged between the adjacent blind pipes and is used for fixing the distance between the adjacent blind pipes.

7. The temperature-sensitive blind pipe assembly according to claim 1 or 2, characterized in that:

the temperature sensor is an NTC thermistor or a PT100 platinum thermistor.

8. The utility model provides a water heater, includes heating member, inner bag, water inlet, delivery port and shell, its characterized in that:

the temperature-sensitive blind pipe assembly of any one of claims 1 to 7 is further included.

9. The water heater of claim 8, wherein:

the blind pipe of the temperature sensing blind pipe assembly is parallel to or perpendicular to the axial center line of the inner container.

10. The water heater according to claim 8 or 9, wherein:

the inner container is a stainless steel inner container or an enamel inner container.