CN212842265U - Thermal protection structure used in water heater - Google Patents
Thermal protection structure used in water heater Download PDFInfo
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- CN212842265U CN212842265U CN202020855108.XU CN202020855108U CN212842265U CN 212842265 U CN212842265 U CN 212842265U CN 202020855108 U CN202020855108 U CN 202020855108U CN 212842265 U CN212842265 U CN 212842265U
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Abstract
The utility model belongs to the water heater field provides a hot protection architecture for in water heater, include: a housing having a water inlet portion and a water outlet portion; the box body is arranged in the shell, a water inlet hole and a water outlet hole are formed in the box body, the water inlet hole is connected with the water inlet part through a pipeline, a burning-proof floating body is arranged in the box body, a contact switch is arranged at the upper end of the box body, and the lower end of the contact switch is inserted into the box body and is positioned above the burning-proof floating body; and the heating component is arranged in the shell and is connected with the water outlet part, the lower end of the heating component is connected with the water outlet hole through a pipeline, and the contact switch is electrically connected with the heating component. Compared with the prior art, the utility model has the advantages of this be arranged in the hot protective structure of water heater prevent that the body that burns can float according to the water level height of a water intracavity, prevent that heating element from burning futilely under the condition that does not have water.
Description
Technical Field
The utility model belongs to the water heater field, concretely relates to heat protection architecture for in water heater.
Background
At present, the electric water heater can be divided into two categories, one is a water storage type electric water heater, when the electric water heater is used, a water storage tank is filled with water, and after the electric water heater is electrified to preheat the water and the temperature reaches a set temperature, a water mixing valve is used to be matched with cold water to adjust water outlet. The water storage type electric water heater has the advantages of safety, environmental protection, low requirement on installation lines and small limit influence. But the disadvantages are that the preheating time is long, the heating is slow, the water can be used after waiting for a long time, the water quantity is limited, water scale is easy to form, a user is difficult to clean, and water leakage is easy to occur.
The other type is an instant electric water heater which does not need a water storage tank to store water, a plurality of electric heating pipes with the power of 1.5-2 kw are mostly installed in a metal heating drum, cold water flowing through the heating drum is heated in a cluster heating mode, the existing instant electric water heater can heat water as long as a switch is turned on, but under the condition that no water exists in the heater, the heater is damaged due to dry burning of the heater, and a fire disaster can be caused under severe conditions.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem to provide a thermal protection structure for in water heater to prior art's current situation.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a thermal protection structure for use in a water heater is proposed, comprising: a housing having a water inlet portion and a water outlet portion;
the box body is arranged in the shell, a water inlet hole and a water outlet hole are formed in the box body, the water inlet hole is connected with the water inlet part through a pipeline, a burning-proof floating body is arranged in the box body, a contact switch is arranged at the upper end of the box body, and the lower end of the contact switch is inserted into the box body and is positioned above the burning-proof floating body;
the heating component is arranged in the shell and is connected with the water outlet part, the lower end of the heating component is connected with the water outlet hole through a pipeline, and the contact switch is electrically connected with the heating component;
when water is in the box body, the anti-burning floating body can move upwards and drive the contact switch to be turned on.
In the above thermal protection structure for use in a water heater, the box body includes a water inlet cavity and a water outlet cavity, the lowest height of the water inlet cavity is higher than the lowest height of the water outlet cavity, the water inlet cavity is communicated with the water outlet cavity, the water outlet hole is formed in the water outlet cavity, the floating body is arranged in the water outlet cavity, and the water inlet hole is formed in the water inlet cavity.
In the above thermal protection structure for the water heater, the upper end of the anti-burning floating body is provided with the connecting column, the water outlet cavity is internally provided with the connecting cylinder, the lower end of the contact switch is inserted into the connecting cylinder, and the connecting column is movably inserted into the connecting cylinder.
In the above thermal protection structure for the water heater, a spring is arranged on the connecting column, and the upper end of the spring abuts against the connecting cylinder.
In foretell a thermal protection structure for in water heater, be provided with the heating switch on the box, the heating switch with heating element electricity is connected, contact switch with the heating switch electricity is connected, rotates on the box and is connected with the knob, the knob is located heating switch side can drive when rotating the knob the heating switch is opened.
In the above thermal protection structure for use in a water heater, the heating assembly includes a heating pipe, the heating pipe is vertically arranged in the housing, the upper end of the heating pipe is connected with the water outlet portion, the lower end of the heating pipe is connected with the water inlet hole through a pipeline, and the heating switch is electrically connected with the heating pipe.
Compared with the prior art, the utility model has the advantages of this a prevent burning body in the thermal protection structure for in the water heater can float according to the water level height of a water intracavity, when a water intracavity water level is low to a take the altitude, body upper end no longer with the contact switch contact, and then close contact switch to guarantee that heating element no longer switches on, prevent that heating element from burning under the condition that does not have water futilely.
Drawings
FIG. 1 is a perspective view of the present thermal protection structure for use in a water heater;
FIG. 2 is a cross-sectional view of the present thermal protection structure for use in a water heater;
FIG. 3 is a cross-sectional view of the case structure;
FIG. 4 is a perspective view of the box structure;
FIG. 5 is an internal structural view of the case
In the figure, 1, a housing; 2. a water inlet part; 3. a water outlet part; 4. a water inlet hole; 5. a water outlet hole; 6. the anti-burning floating body; 7. a contact switch; 8. a water inlet cavity; 9. a water outlet cavity; 10. connecting columns; 11. a connecting cylinder; 12. a spring; 13. a heating switch; 14. a knob; 15. heating the tube.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, the present thermal protection structure for use in a water heater includes: a housing 1 having a water inlet part 2 and a water outlet part 3; the box body is arranged in the shell body 1, a water inlet hole 4 and a water outlet hole 5 are formed in the box body, the water inlet hole 4 is connected with the water inlet part 2 through a pipeline, a burning-proof floating body 6 is arranged in the box body, a contact switch 7 is arranged at the upper end of the box body, and the lower end of the contact switch 7 is inserted into the box body and is positioned above the burning-proof floating body 6; the heating component is arranged in the shell 1 and is connected with the water outlet part 3, the lower end of the heating component is connected with the water outlet hole 5 through a pipeline, and the contact switch 7 is electrically connected with the heating component; when water is in the box body, the anti-burning floating body 6 can move upwards and drive the contact switch 7 to be turned on.
After normal atmospheric temperature water got into water inlet portion 2, get into to the box again through inlet opening 4, water in the box passes through apopore 5 and gets into to heating element in, be provided with in the box and prevent burning body 6, prevent burning body 6 and be located contact switch 7 below, after intaking in the box, the water level risees gradually, the water level that risees in the box at this moment can drive and prevent burning body 6 upwards moving, and then make and prevent burning 6 upper end and contact switch 7 contact of body, and then can open contact switch 7, because contact switch 7 is connected with the heating element electricity, when contact switch 7 opens, heating element just can normally work, contact switch 7 must prevent burning body 6 rebound simultaneously and just can open it, so contact switch 7 opens and just explains that there is enough water in the box.
When the box no longer lasted into water, the water level in the box reduced gradually, and body 6 that prevents burning removed downwards this moment and break away from in contact switch 7, and then contact switch 7 is closed, and heating element can't continue to heat, guarantees that heating element can not work under the not enough condition of water yield in the box, avoids heating element to burn futilely.
The box includes intake antrum 8 and goes out the water cavity 9, and intake antrum 8 is higher than the minimum height that goes out water cavity 9 at the minimum height, and intake antrum 8 communicates with each other with going out water cavity 9, and apopore 5 sets up in going out water cavity 9, and the body sets up in going out water cavity 9, and inlet opening 4 sets up in intake antrum 8.
The intake antrum 8 communicates with each other with a water cavity 9 and intake antrum 8 minimum highly is higher than a water cavity 9 minimum highly, and the water that gets into through inlet opening 4 can flow into to a water cavity 9 in after getting into intake antrum 8, and then guarantees that as long as intake antrum 8 intakes can be sent water to a water cavity 9 for in the faster inflow heating element of water, improve heating efficiency.
The upper end of the anti-burning floating body 6 is provided with a connecting column 10, a connecting cylinder 11 is arranged in the water outlet cavity 9, the lower end of the contact switch 7 is inserted into the connecting cylinder 11, and the connecting column 10 is movably inserted into the connecting cylinder 11.
The connecting column 10 is positioned in the connecting cylinder 11, so that the situation that the anti-burning floating body 6 deviates and is not in contact with the contact switch 7 can be avoided.
The connecting column 10 is provided with a spring 12, and the upper end of the spring 12 is abutted against the connecting cylinder 11.
The spring 12 can provide elasticity, so that the floating body is positioned at the lowest end of the water outlet cavity 9 under the condition of no water, and the safety is further ensured.
Be provided with heating switch 13 on the box, heating switch 13 is connected with the heating element electricity, and contact switch 7 is connected with heating switch 13 electricity, rotates on the box and is connected with knob 14, and knob 14 is located heating switch 13 side, can drive heating switch 13 when rotating knob 14 and open.
When the user needs normal atmospheric temperature water, do not twist knob 14, heating switch 13 does not open this moment, even the water level in the box is very high, prevents that burning body 6 drives contact switch 7 and opens, and heating element can not work this moment yet, and then the user can get normal atmospheric temperature water.
The heating component comprises a heating pipe 15, the heating pipe 15 is vertically arranged in the shell 1, the upper end of the heating pipe 15 is connected with the water outlet part 3, the lower end of the heating pipe 15 is connected with the water inlet hole 4 through a pipeline, and the heating switch 13 is electrically connected with the heating pipe 15.
The upper end of the heating pipe 15 is connected with the water outlet part 3, the lower end of the heating pipe is connected with the water inlet hole 4 through a pipeline, normal-temperature water enters from the lower end of the heating pipe 15, the flowing time of cold water is delayed, and the heating effect is improved.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (6)
1. A thermal protection structure for use in a water heater, comprising:
a housing having a water inlet portion and a water outlet portion;
the box body is arranged in the shell, a water inlet hole and a water outlet hole are formed in the box body, the water inlet hole is connected with the water inlet part through a pipeline, a burning-proof floating body is arranged in the box body, a contact switch is arranged at the upper end of the box body, and the lower end of the contact switch is inserted into the box body and is positioned above the burning-proof floating body;
the heating component is arranged in the shell and is connected with the water outlet part, the lower end of the heating component is connected with the water outlet hole through a pipeline, and the contact switch is electrically connected with the heating component;
when water is in the box body, the anti-burning floating body can move upwards and drive the contact switch to be turned on.
2. The thermal protection structure of claim 1, wherein the tank comprises an inlet chamber and an outlet chamber, the lowest height of the inlet chamber is higher than that of the outlet chamber, the inlet chamber is communicated with the outlet chamber, the outlet hole is formed in the outlet chamber, the floating body is formed in the outlet chamber, and the inlet hole is formed in the inlet chamber.
3. The thermal protection structure for water heater of claim 2, wherein the upper end of the anti-burning floating body is provided with a connecting column, the water outlet cavity is provided with a connecting cylinder, the lower end of the contact switch is inserted into the connecting cylinder, and the connecting column is movably inserted into the connecting cylinder.
4. A thermal protection structure for use in a water heater according to claim 3, wherein said connecting post is provided with a spring, the upper end of said spring abutting against said connecting cylinder.
5. The thermal protection structure for the inside of the water heater as claimed in claim 1, wherein a heating switch is disposed on the box body, the heating switch is electrically connected to the heating component, the contact switch is electrically connected to the heating switch, a knob is rotatably connected to the box body, the knob is located at a side of the heating switch, and the knob can be rotated to turn on the heating switch.
6. The thermal protection structure of claim 5, wherein the heating assembly comprises a heating pipe, the heating pipe is vertically disposed in the housing, an upper end of the heating pipe is connected to the water outlet portion, a lower end of the heating pipe is connected to the water inlet hole through a pipe, and the heating switch is electrically connected to the heating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020855108.XU CN212842265U (en) | 2020-05-20 | 2020-05-20 | Thermal protection structure used in water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020855108.XU CN212842265U (en) | 2020-05-20 | 2020-05-20 | Thermal protection structure used in water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212842265U true CN212842265U (en) | 2021-03-30 |
Family
ID=75167456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020855108.XU Active CN212842265U (en) | 2020-05-20 | 2020-05-20 | Thermal protection structure used in water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212842265U (en) |
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2020
- 2020-05-20 CN CN202020855108.XU patent/CN212842265U/en active Active
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