CN211481520U - Heating tube capable of preventing dry heating - Google Patents
Heating tube capable of preventing dry heating Download PDFInfo
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- CN211481520U CN211481520U CN201922316485.6U CN201922316485U CN211481520U CN 211481520 U CN211481520 U CN 211481520U CN 201922316485 U CN201922316485 U CN 201922316485U CN 211481520 U CN211481520 U CN 211481520U
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- heating pipe
- floating ball
- pipe protection
- pressure sensing
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Abstract
The utility model discloses a prevent dry combustion method heating tube, including electric heating pipe protection chamber, electric heating pipe, controller, circulation drive arrangement and liquid level monitoring device, electric heating pipe locates electric heating pipe protection intracavity, electric heating pipe protection chamber side is located to the controller, electric heating pipe both ends electricity is connected in the controller, circulation drive arrangement locates on the electric heating pipe protection chamber, liquid level monitoring device is close to circulation drive arrangement setting, liquid level monitoring device is connected with the controller electricity. The utility model belongs to the technical field of electrical heating kitchen utensils and appliances accessory, specifically indicate a simple structure, safe and reliable can improve heat transfer efficiency's dry combustion method heating tube.
Description
Technical Field
The utility model belongs to the technical field of electrical heating kitchen utensils and appliances accessory, specifically indicate a prevent dry combustion method heating tube.
Background
At present, the electric heating tube is widely used, and has the advantages of high electric heating conversion efficiency, small thermal inertia, convenient control and the like, so that the electric heating tube is widely applied to water heating equipment. However, since the electric heating tube is dry-burned in the using process, the electric heating tube will be burned off or even burst and damaged in a short time, which brings danger to users and may even cause damage to household circuits, and finally causes fire. Aiming at the situation, the control circuit for detecting the liquid level height in the prior art controls the on-off of the electric heating tube, and although the situation that the electric heating tube is damaged in an abnormal state can be avoided, the circuit is complex, the cost is high, and the popularization and the application are difficult.
SUMMERY OF THE UTILITY MODEL
In order to solve the existing difficult problem, the utility model provides a dry-heating preventing heating tube which can increase the heat transfer efficiency and is safe to use.
The utility model adopts the following technical scheme: the utility model relates to a prevent dry combustion method heating tube, including electric heating pipe protection chamber, electric heating pipe, controller, circulation drive arrangement and liquid level monitoring device, electric heating pipe locates electric heating pipe protection intracavity, the controller is located electric heating pipe protection chamber side, electric heating pipe both ends electricity connect to the controller, circulation drive arrangement locates on electric heating pipe protection chamber, liquid level monitoring device is close to circulation drive arrangement setting, liquid level monitoring device is connected with the controller electricity, circulation drive arrangement makes the water in electric heating pipe protection intracavity and the aquatic products outside electric heating pipe protection chamber generate the circulation, accelerates heat transfer, increases heat transfer efficiency, and liquid level monitoring device monitors the liquid level in the kitchen utensils and appliances, when the liquid level is less than electric heating pipe protection chamber, transmits the signal, and the controller directly cuts off the power supply to electric heating pipe, prevent the heating pipe from dry burning.
Furthermore, the electric heating pipe protection cavity is a cylindrical hollow cavity, a water outlet and a water inlet are formed in the electric heating pipe protection cavity, the water inlet is formed in the bottom wall of the electric heating pipe protection cavity, the water outlet is formed in the upper wall of the electric heating pipe protection cavity, the pressure below the electric heating pipe protection cavity is higher than that of the upper portion, and spontaneous feeding of heated water is facilitated, and consumption of external driving force is reduced.
Furthermore, the circulation driving device comprises an underwater motor and an impeller, the impeller is rotatably arranged in the water outlet, the underwater motor is arranged on the electric heating pipe protection cavity, the output end of the underwater motor is connected with the impeller, the impeller is driven by the movement of the underwater motor to rotate, water in the electric heating pipe protection cavity is continuously discharged, and meanwhile, under the action of pressure difference between two ends, water outside the electric heating pipe protection cavity continuously gushes into the electric heating pipe protection cavity to form circulation, so that heat transmission is accelerated, and the heating efficiency is improved.
Further, the liquid level monitoring device comprises a pressure sensing sleeve, a floating ball sleeve and a floating ball dragging line, wherein the pressure sensing sleeve is arranged on the upper wall of the electric heating pipe protection cavity and is close to the water outlet, the floating ball sleeve is arranged on the pressure sensing sleeve, the floating ball is arranged in the floating ball sleeve, a plurality of groups of floating ball dragging lines are uniformly arranged, one end of each floating ball dragging line is arranged on the floating ball, the other end of each floating ball dragging line is arranged on the outer side wall of the pressure sensing sleeve and is close to the end part of the pressure sensing sleeve, the pressure sensing sleeve is a hollow cavity with an open upper end, the bottom of the pressure sensing sleeve is not communicated with the electric heating pipe protection cavity, the upper end opening of the pressure sensing sleeve is arranged in a slope structure, a plurality of groups of pressure sensors are uniformly arranged at the opening of the pressure sensing sleeve, and a balance, the floating ball sleeve is a cylindrical hollow cavity structure with openings at two ends, so that a balance water inlet is communicated with the outside, the external liquid level is accurately sensed, when the liquid level is higher, the floating ball floats, the electric heating pipe is normally used, when the liquid level is lower than the liquid level at the upper end of the pressure sensing sleeve, the floating ball falls down to touch the pressure sensor at the opening of the pressure sensing sleeve, the controller receives signals of the pressure sensor and then cuts off the voltage at two ends of the electric heating pipe, and the electric heating pipe can be prevented from being dried.
Furthermore, the density of the floating ball is smaller than that of water, so that the change of the external liquid level can be sensed quickly.
Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: this scheme prevents dry combustion method heating tube, water enters electric heating pipe protection chamber from the water inlet, electric heating pipe heats the water of electric heating pipe protection intracavity, water after will heating shifts out electric heating pipe protection chamber through circulation drive arrangement, accelerate heat transfer, be favorable to improving heating efficiency, shorten the heat time, liquid level monitoring device carries out real-time supervision to liquid level in the kitchen utensils and appliances simultaneously, when the liquid level is lower, the floater touches pressure sensor trigger signal, the controller receives the pressure sensor signal, control electric heating pipe both ends outage, effectively prevent electric heating pipe dry combustion method, moreover, the steam generator is simple in structure, safety and reliability.
Drawings
FIG. 1 is a schematic view of an overall structure of an anti-dry heating tube of the present invention;
FIG. 2 is a front view of the anti-dry heating tube of the present invention;
fig. 3 is a perspective view of the rotation driving device of the dry-heating preventing heating tube of the present invention.
The device comprises an electric heating pipe protection cavity 1, an electric heating pipe 2, an electric heating pipe 3, a controller 4, a circulation driving device 5, a liquid level monitoring device 6, a water outlet 7, a water inlet 8, an underwater motor 9, an impeller 10, a pressure sensing sleeve 11, a floating ball 12, a floating ball sleeve 13, a floating ball dragging line 14, a pressure sensor 15 and a balance water inlet.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments, and the technical features or the connection relations of the present invention, which are not described in detail, are the prior art adopted.
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, an anti-dry heating tube comprises an electric heating tube protection cavity 1, an electric heating tube 2, a controller 3, a circulation driving device 4 and a liquid level monitoring device 5, wherein the electric heating tube 2 is arranged in the electric heating tube protection cavity 1, the controller 3 is arranged on the side of the electric heating tube protection cavity 1, two ends of the electric heating tube 2 are electrically connected to the controller 3, the circulation driving device 4 is arranged on the electric heating tube protection cavity 1, the liquid level monitoring device 5 is arranged close to the circulation driving device 4, and the liquid level monitoring device 5 is electrically connected to the controller 3.
The electric heating pipe protection cavity 1 is a cylindrical hollow cavity, a water outlet 6 and a water inlet 7 are arranged on the electric heating pipe protection cavity 1, the water inlet 7 is arranged on the bottom wall of the electric heating pipe protection cavity 1, and the water outlet 6 is arranged on the upper wall of the electric heating pipe protection cavity 1.
The circulation driving device 4 comprises an underwater motor 8 and an impeller 9, the impeller 9 is rotatably arranged in the water outlet 6, the underwater motor 8 is arranged on the electric heating pipe protection cavity 1, and the output end of the underwater motor 8 is connected with the impeller 9.
The liquid level monitoring device 5 comprises a pressure sensing sleeve 10, a floating ball 11, a floating ball sleeve 12 and a floating ball dragging line 13, wherein the pressure sensing sleeve 10 is arranged on the upper wall of the electric heating pipe protection cavity 1 and is close to the water outlet 6, the floating ball sleeve 12 is arranged on the pressure sensing sleeve 10, the floating ball 11 is arranged in the floating ball sleeve 12, a plurality of groups of floating ball dragging lines 13 are uniformly arranged, one end of each floating ball dragging line 13 is arranged on the floating ball 11, the other end of each floating ball dragging line 13 is arranged on the outer side wall of the pressure sensing sleeve 10 and is close to the end part of the pressure sensing sleeve 10, the pressure sensing sleeve 10 is a hollow cavity with an upper end opening, the bottom of the pressure sensing sleeve 10 is not communicated with the electric heating pipe protection cavity 1, the upper end opening of the pressure sensing sleeve 10 is arranged in a slope structure, and a plurality of groups of pressure sensors 14 are uniformly arranged, the bottom of the pressure sensing sleeve 10 is provided with a balance water inlet 15, and the floating ball sleeve 12 is a cylindrical hollow cavity structure with two open ends.
The density of the floating ball 11 is less than that of water.
When the electric heating pipe type kitchen ware is used, water is injected into the kitchen ware with the electric heating pipe 2 and is communicated with a power supply, the pressure at the water inlet 7 is higher than the pressure at the water outlet 6, the electric heating pipe protective cavity 1 is filled with water automatically, after the power supply is communicated, the underwater motor 8, the electric heating pipe 2 and the pressure sensor 14 start to work simultaneously, the initial liquid level is higher, the floating ball 11 is suspended in the floating ball sleeve 12 due to the dragging action of the floating ball dragging line 13 and does not contact with the pressure sensing sleeve 10, so no signal is output, the underwater motor 8 rotates to drive the impeller 9 to rotate, the water in the electric heating pipe protective cavity 1 is continuously discharged, meanwhile, the water outside the electric heating pipe protective cavity 1 continuously enters the electric heating pipe protective cavity 1 from the water inlet 7 to form circulation, the heat transfer efficiency is accelerated, when the water level is reduced below the pressure sensing sleeve 10, the floating ball 11 falls down to contact, the pressure sensor 14 sends out a signal, and after the signal is received, the two ends of the electric heating pipe 2 are controlled to be powered off, and heating is stopped.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (5)
1. A dry-heating preventing heating tube is characterized in that: including electric heating pipe protection chamber, electric heating pipe, controller, circulation drive arrangement and liquid level monitoring device, electric heating pipe locates electric heating pipe protection intracavity, electric heating pipe protection chamber side is located to the controller, the electric heating pipe both ends electricity is connected in the controller, circulation drive arrangement locates on the electric heating pipe protection chamber, liquid level monitoring device is close to circulation drive arrangement and sets up, liquid level monitoring device is connected with the controller electricity.
2. The dry-heating preventing heating tube according to claim 1, wherein: the electric heating pipe protection cavity is a cylindrical hollow cavity, a water outlet and a water inlet are formed in the electric heating pipe protection cavity, the water inlet is formed in the bottom wall of the electric heating pipe protection cavity, and the water outlet is formed in the upper wall of the electric heating pipe protection cavity.
3. The dry-heating preventing heating tube according to claim 1, wherein: the circulation driving device comprises an underwater motor and an impeller, the impeller is rotatably arranged in the water outlet, the underwater motor is arranged on the electric heating pipe protection cavity, and the output end of the underwater motor is connected with the impeller.
4. The dry-heating preventing heating tube according to claim 1, wherein: the liquid level monitoring device comprises a pressure sensing sleeve, a floating ball sleeve and a floating ball dragging line, wherein the pressure sensing sleeve is arranged on the upper wall of a protective cavity of the electric heating pipe and is close to a water outlet, the floating ball sleeve is arranged on the pressure sensing sleeve, the floating ball is arranged in the floating ball sleeve, a plurality of groups of floating ball dragging lines are uniformly arranged, one end of each floating ball dragging line is arranged on the floating ball, the other end of each floating ball dragging line is arranged on the outer side wall of the pressure sensing sleeve and is close to the end part of the pressure sensing sleeve, the pressure sensing sleeve is a hollow cavity with an open upper end, the bottom of the pressure sensing sleeve is not communicated with the protective cavity of the electric heating pipe, the upper end opening of the pressure sensing sleeve is arranged in a slope structure, a plurality of groups of pressure sensors are uniformly arranged at the opening of the pressure, the floating ball sleeve is a cylindrical hollow cavity structure with openings at two ends.
5. The dry-heating preventing heating tube according to claim 4, wherein: the density of the floating ball is less than that of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316485.6U CN211481520U (en) | 2019-12-21 | 2019-12-21 | Heating tube capable of preventing dry heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316485.6U CN211481520U (en) | 2019-12-21 | 2019-12-21 | Heating tube capable of preventing dry heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211481520U true CN211481520U (en) | 2020-09-11 |
Family
ID=72360037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922316485.6U Active CN211481520U (en) | 2019-12-21 | 2019-12-21 | Heating tube capable of preventing dry heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211481520U (en) |
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2019
- 2019-12-21 CN CN201922316485.6U patent/CN211481520U/en active Active
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