CN211551707U - Immersion tube type electric heating furnace - Google Patents
Immersion tube type electric heating furnace Download PDFInfo
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- CN211551707U CN211551707U CN201922224061.7U CN201922224061U CN211551707U CN 211551707 U CN211551707 U CN 211551707U CN 201922224061 U CN201922224061 U CN 201922224061U CN 211551707 U CN211551707 U CN 211551707U
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Abstract
The utility model discloses a dip tube type electric heating furnace, which comprises a furnace body, a heat pipe, a filter frame and a heating device; the bottom wall of the furnace body is provided with a heating groove; the bottom wall of the heating groove is provided with a mounting hole; the heat pipe comprises a first part positioned on the upper side of the bottom wall of the heating groove and a second part penetrating through the mounting hole, and the second part of the heat pipe is connected with the mounting hole in a sealing manner; the heat pipe comprises an external sleeve and a heating body accommodated in the sleeve, and the heating device is arranged on the lower side of the bottom wall of the heating groove and is electrically connected with the heating body; the filter frame is arranged inside the heating tank and covers the notch of the heating tank. The utility model discloses can improve heat transfer efficiency effectively, realize soaking tube formula heating.
Description
Technical Field
The utility model relates to a stove field especially relates to a dip tube formula electric heater.
Background
The chafing dish is a food originally invented in China, and the traditional chafing dish generally adopts a charcoal roasting mode. With the widespread use of electrical products, different forms of electric chafing dishes have been gradually produced. The common electric chafing dish is divided into two types of split type and integrated type. The split-type chafing dish furnaces are commonly electric heating furnaces with exposed electric heating wires, and electromagnetic furnaces, electric ceramic furnaces and the like which are developed in recent years. The common form of the integrated heater is that the heater is embedded in the bottom of the furnace body. The heat energy of the split electric heating furnace with the exposed electric heating wire is seriously dissipated, the induction cooker has special requirements on the cooker, and the electric ceramic furnace and the hot pot form with the heating body embedded and the bottom of the cooker body have the problem of insufficient energy application due to unidirectional heat transfer.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an immersion tube type electric heating furnace to solve the problem of insufficient heat energy utilization in the prior art.
The purpose of the utility model is realized by adopting the following technical scheme:
a dip tube type electric heating furnace comprises a furnace body, a heat pipe, a filter frame and a heating device; the bottom wall of the furnace body is provided with a heating groove; the bottom wall of the heating groove is provided with a mounting hole; the heat pipe comprises a first part positioned on the upper side of the bottom wall of the heating groove and a second part penetrating through the mounting hole, and the second part of the heat pipe is connected with the mounting hole in a sealing manner; the heat pipe comprises an external sleeve and a heating body accommodated in the sleeve, and the heating device is arranged on the lower side of the bottom wall of the heating groove and is electrically connected with the heating body; the filter frame is arranged inside the heating tank and covers the notch of the heating tank.
Further, the device also comprises a sealing gasket and a fastening nut; the middle part of heat pipe second part is provided with the clamp plate, the end that the second part stretches out heating tank diapire downside is provided with the screw thread, the clamp plate with between the heating tank diapire the heat pipe second part still overlaps and is equipped with sealed the pad, fastening nut with the terminal screw thread screwed connection of second part, through the rotation fastening nut makes the clamp plate with the heating tank diapire presss from both sides tightly sealed pad is in order to form sealedly.
Further, the second part of the heat pipe is a first straight line segment; the first part of the heat pipe comprises a first bending part and a second straight line part, wherein one end of the first bending part is connected with the first straight line part, and the other end of the second bending part is connected with the second straight line part.
Further, the radius of curvature of the first bent portion is greater than 10 mm.
Furthermore, the heat pipe further comprises a second bending part, a third bending part and a fourth bending part which are connected in sequence; one end of the second bending part is connected with the second straight line section, and the second straight line section, the second bending part, the third bending part and the fourth bending part are coplanar; the second bending part and the fourth bending part are minor arcs, and the appearance of the third bending part is a cubic spline curve in smooth transition with the second bending part and the fourth bending part.
Further, the heat pipe is a symmetrical body and comprises a first symmetrical portion and a second symmetrical portion, the first symmetrical portion and the second symmetrical portion both comprise a first portion and a second portion, and the first symmetrical portion and the second symmetrical portion are connected through the fourth bending portion.
Further, still include the fender bracket, the fender bracket with heating groove diapire or heating groove lateral wall fixed connection, the fender bracket with heating groove diapire forms and is used for the protection the accommodation space of the device that generates heat.
Further, the protective frame comprises a side plate, a bottom plate and a bolt, wherein the side plate comprises a side plate body and a bent side plate connecting part; the side plate body is fixedly connected with the heating groove, and the side plate connecting part is connected with the bottom plate through a bolt; the bolt extends out of the bottom plate so that the bottom plate has a ground clearance.
Further, the fender bracket still includes supplementary bottom plate, supplementary bottom plate with bottom plate fixed connection, supplementary bottom plate is along the outside extension of bottom plate minor face direction.
Furthermore, the furnace also comprises adjustable supporting legs arranged at the bottom of the furnace body.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the heat pipe of the utility model comprises a first part positioned on the upper side of the bottom wall of the heating tank, so that heated liquid can be distributed around the heat pipe, the heat transfer direction of the heat pipe is omnibearing, and the heat transfer can be effectively improved, because the heat pipe is immersed in liquid, a sleeve is needed to isolate the liquid from a heating body, electric leakage is avoided, and a good heat conduction effect is realized, and meanwhile, a second part of the heat pipe is hermetically connected with the mounting hole; the electric connection part and the heating part are effectively isolated, and the immersion tube type heating is realized.
Drawings
FIG. 1 is an overall view of the present invention;
FIG. 2 is a schematic view of the heat pipe installation of FIG. 1;
FIG. 3 is a top view of the heat pipe of FIG. 2;
FIG. 4 is a side view of the heat pipe of FIG. 2;
FIG. 5 is a schematic view of the heat pipe sleeve threading-type heating element of FIG. 2;
fig. 6 is a schematic view of the protective frame of fig. 1.
In the figure: 1. a heat pipe; 11. a first straight line segment; 12. a first bent portion; 13. a second straight line segment; 14. a second bent portion; 15. a third bent portion; 16. a fourth bent portion; 17. pressing a plate; 2. a furnace body; 21. heating the bottom wall of the tank; 23. the bottom wall of the furnace body; 24. the supporting legs can be adjusted; 31. a gasket; 32. fastening a nut; 33. a heat generating device; 34. a power supply line; 4. a protection frame; 41. a side plate; 411. a side plate body; 412. a side plate connecting portion; 42. a base plate; 43. A bolt; 44. an auxiliary bottom plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
referring to the attached figure 1, the utility model discloses a dip-tube electric heating furnace, which comprises a furnace body 2, a heat pipe 1, a filter stand and a heating device 33; the furnace body bottom wall 23 is provided with an opening, and the heating groove is arranged at the opening to form a downward depressed part. The heat pipe 1 includes an outer sleeve and a heating element accommodated inside the sleeve. The bottom wall 21 of the heating tank is provided with two mounting holes, the number of the mounting holes is preferably two, the mounting holes are used for penetrating the heat pipe 1, and a loop can be formed when the power is switched on at two ends of the heat pipe 1, so that heat is generated. Of course, the bottom of the heating tank may have only one mounting hole, and the two ends of the heating element may enter and exit from the same mounting hole and be isolated from each other to form a loop, for example, using a wiring mode in the form of an earphone plug.
Referring to fig. 2, the heat pipe 1 includes a first portion located on the upper side of the heating tank bottom wall 21 and a second portion passing through the mounting hole, the heat pipe 1 includes a first portion located on the upper side of the heating tank bottom wall 21, so that heated liquid can be distributed around the heat pipe 1, and the heat transfer direction of the heat pipe 1 is omni-directional, which can effectively improve heat transfer. The second part of the heat pipe 1 is hermetically connected with the mounting hole, so that the electric connection part and the heating part are effectively isolated, and the immersion pipe type heating is realized.
The utility model also comprises a sealing gasket 31 and a fastening nut 32; the middle part of 1 second part of heat pipe is provided with clamp plate 17, the end that the second part stretches out heating tank diapire 21 downside is provided with the screw thread, clamp plate 17 with between the heating tank diapire 21 1 second part of heat pipe still overlaps and is equipped with sealed pad 31, fastening nut 32 with the terminal screw thread screwed connection of second part, through the rotation fastening nut 32 can be so that the inseparable butt of nut heating tank diapire 21 for heating tank diapire 21 and clamp plate 17 move in opposite directions, thereby clamp plate 17 with heating tank diapire 21 presss from both sides tightly sealed pad 31 is in order to form sealedly.
It should be noted that the heat pipe 1 is formed by bending a hollow pipe, and the heating element is preferably in a flexible linear structure, and the heating element is difficult to penetrate into the sleeve due to the structure of bending for multiple times. And the linear heating element may be twisted several times, see A of FIG. 5, heating element L1The heating element can pass through the sleeve smoothly only by contacting the two sleeve wall surfaces and changing the direction, the heating element is twisted due to the structure, so that the heating element is difficult to enter the sleeve, and referring to B in figure 5 again, although the sleeve is changed in curvature for many times, the heating element L2Is on the same wall surfaceThe heating element can smoothly pass through the sleeve by the structure, and the resistance is reduced. It is easy to obtain by analysis that in a planar tube structure, if the line connecting the two curvature centers passes through the tube itself, multiple twists of the inner line are easily generated, as in a of fig. 5, O1O2The connecting wire penetrates through the sleeve; if the connecting line of the two curvature centers does not pass through the pipe fitting itself, a smooth transition of the inner linear shape along the same wall surface is easily generated, as shown in B of FIG. 5, O3O4The connecting wire does not penetrate the sleeve itself. This structure becomes particularly complicated in the case of a space tube structure. In order to simplify the design to reach the telescopic purpose of being convenient for the heat-generating body to penetrate, the utility model discloses following settlement is carried out: a, adopting a plane bending pipe fitting as much as possible for the heat pipe 1; b. adjacent pipe fittings form a plane curve; c. adjacent pipe elements of different curvature do not have their centers of curvature crossing the pipe elements.
With the above settings, the pipe structure of fig. 4 was obtained. Referring to fig. 3-4, the first bending part 12 is an important position of the heat pipe 1 from vertical to horizontal pipe distribution, the solution disclosed in the present invention first uses the first straight line 11 to construct the second part of the heat pipe 1, and since the end of the straight line is tangent to the end of the first bending part 12, the condition b is satisfied; the curvature center of the straight line segment is at infinity and is provided with a plurality of straight line segments, so that a connecting line with the curvature center O' of the first bending part 12 does not pass through the curvature center of the heat pipe 1, and the condition c is met; in the process of converting into a plane, the second straight line section 13 is connected with the first bent section 12, and at this time, the second straight line section 13 and the first bent section 12 determine the bent plane of the heat pipe 1, and the requirements of the condition b and the condition c are satisfied in the same manner.
Further, the heat pipe 1 further includes a second bending portion 14, a third bending portion 15, and a fourth bending portion 16 connected in sequence; one end of the second bent portion 14 is connected to the second linear segment 13, and the second linear segment 13, the second bent portion 14, the third bent portion 15, and the fourth bent portion 16 are coplanar, so that the requirements of the condition a and the condition b are met. Meanwhile, according to fig. 3, it can be understood that the curvature centers are all located on the same side of the heat pipe 1, and the requirement of the condition c is met.
Further, in order to fill the entire heat generating groove as quickly as possible, the second bent portion 14 and the fourth bent portion 16 are minor arcs, and the outer shape of the third bent portion 15 is a cubic spline curve smoothly transiting to both the second bent portion 14 and the fourth bent portion 16. The cubic spline can ensure smooth transition of the heating element, so that the heating element can pass through smoothly, and the aim of connecting two inferior arcs conveniently is fulfilled.
In a preferred embodiment, the heat pipe 1 is a symmetrical body, and includes a first symmetrical portion and a second symmetrical portion, where the first symmetrical portion and the second symmetrical portion both include a first portion and a second portion, and the first symmetrical portion and the second symmetrical portion are connected by the fourth bending portion 16. The number of corresponding mounting holes is preferably two, thereby forming a loop.
The utility model discloses an in the scheme, fully considering the power of heat-generating body, furnace body 2's size has confirmed the diameter range of heat-generating body, to this series of heat-generating body, curvature radius undersize also leads to the heat-generating body can't pass telescopic leading cause substantially, preferably, the utility model discloses a curvature radius of any department of heat pipe 1 all needs to be greater than 10mm, especially produces the first kink 12 that vertical direction changes to the horizontal direction, and its curvature radius is greater than 10 mm.
The heating device 33 is disposed on the lower side of the heating tank bottom wall 21 and electrically connected to the heating element. Specifically, the heat generating device 33 is connected to the sleeve by means of a screw or the like, and a structure for sandwiching the heat generating element is provided inside the heat generating device 33, thereby conducting with the heat generating element. The bottom or side of the heat generating device 33 is provided with an outgoing supply line 34 designed to be connected to a power supply.
In a preferred scheme, the filter rack is arranged inside the heating tank and covers the notch of the heating tank. Referring to fig. 1, the stove has a space for accommodating food, the heating tank is actually a portion recessed in the bottom wall 23 of the stove body, and in the heating process, the liquid in the heating tank needs to circulate with the liquid on the bottom wall 23 of the stove body, so as to perform heat exchange, thereby heating the food in the whole stove body 2, but at the same time, avoiding the food from contacting the heat pipe 1. Scorching is likely to occur after the food material contacts the heat pipe 1, and therefore a filter frame capable of circulating liquid and preventing the food material from contacting the heat pipe 1 is required.
Referring to fig. 6, the present invention further includes a protection frame 4, the protection frame 4 is fixedly connected to the heating tank bottom wall 21 or the heating tank side wall, and the protection frame 4 is formed with the heating tank bottom wall 21 to protect the accommodating space of the heating device 33. The protective frame 4 comprises a side plate 41, a bottom plate 42 and a bolt 43, wherein the side plate 41 comprises a side plate body 411 and a bent side plate connecting part 412; the side plate body 411 is fixedly connected with the heating groove, and the side plate connecting part 412 is connected with the bottom plate 42 through a bolt 43; the bolt 43 protrudes from the base plate 42 so that the base plate 42 has a ground clearance. Since the surface of the dining table may be contaminated or contain juice, and the heat generating device 33 at the bottom of the oven body is an important power supply device and needs to be prevented from being contaminated or coming into contact with liquid as much as possible, the heat generating device 33 and the power supply line 34 are protected by the protection frame 4, and the bolts 43 are used to control the ground clearance, so that even if liquid is on the table surface, the heat generating device 33 and the power supply line 34 are protected from being contaminated. However, since the power supply line 34 is suspended by gravity when it is led out, the power supply line 34 needs to have a large support of the bottom plate 42 in the direction in which it extends so that it contacts the table surface at a distance from the furnace body 2 side, thereby avoiding an area which is easily contaminated. Therefore, the protection frame 4 further comprises an auxiliary bottom plate 44, the auxiliary bottom plate 44 is fixedly connected with the bottom plate 42, and the auxiliary bottom plate 44 extends outwards along the short side direction of the bottom plate 42. It is worth noting that the stove also comprises adjustable supporting legs 24 arranged at the bottom of the stove body 2, different table tops can be adapted through the arrangement of the adjustable supporting legs 24, the protection device is not directly contacted with the table tops, and meanwhile, the stove body 2 is guaranteed to have higher supporting force.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (10)
1. A dip tube type electric heating furnace comprises a furnace body, a heat pipe, a filter frame and a heating device; the method is characterized in that: the bottom wall of the furnace body is provided with a heating groove; the bottom wall of the heating groove is provided with a mounting hole; the heat pipe comprises a first part positioned on the upper side of the bottom wall of the heating groove and a second part penetrating through the mounting hole, and the second part of the heat pipe is connected with the mounting hole in a sealing manner; the heat pipe comprises an external sleeve and a heating body accommodated in the sleeve, and the heating device is arranged on the lower side of the bottom wall of the heating groove and is electrically connected with the heating body; the filter frame is arranged inside the heating tank and covers the notch of the heating tank.
2. A dip tube type electric heating furnace as claimed in claim 1, further characterized in that: the sealing device also comprises a sealing gasket and a fastening nut; the middle part of heat pipe second part is provided with the clamp plate, the end that the second part stretches out heating tank diapire downside is provided with the screw thread, the clamp plate with between the heating tank diapire the heat pipe second part still overlaps and is equipped with sealed the pad, fastening nut with the terminal screw thread screwed connection of second part, through the rotation fastening nut makes the clamp plate with the heating tank diapire presss from both sides tightly sealed pad is in order to form sealedly.
3. The immersion tube type electric heating furnace as claimed in claim 1, wherein: the second part of the heat pipe is a first straight line segment; the first part of the heat pipe comprises a first bending part and a second straight line part, wherein one end of the first bending part is connected with the first straight line part, and the other end of the second bending part is connected with the second straight line part.
4. A dip tube type electric heating furnace as claimed in claim 3, wherein: the curvature radius of the first bending part is larger than 10 mm.
5. A dip tube type electric heating furnace as claimed in claim 3, wherein: the heat pipe also comprises a second bending part, a third bending part and a fourth bending part which are connected in sequence; one end of the second bending part is connected with the second straight line section, and the second straight line section, the second bending part, the third bending part and the fourth bending part are coplanar; the second bending part and the fourth bending part are minor arcs, and the appearance of the third bending part is a cubic spline curve in smooth transition with the second bending part and the fourth bending part.
6. The immersion tube type electric heating furnace as claimed in claim 5, wherein: the heat pipe is a symmetrical body and comprises a first symmetrical part and a second symmetrical part, the first symmetrical part and the second symmetrical part respectively comprise a first part and a second part, and the first symmetrical part and the second symmetrical part are connected through the fourth bending part.
7. An immersion tube type electric heating furnace as claimed in any one of claims 1 to 6, wherein: the protection frame is fixedly connected with the heating groove bottom wall or the heating groove side wall, and the protection frame and the heating groove bottom wall form an accommodating space for protecting the heating device.
8. The immersion tube type electric heating furnace as claimed in claim 7, wherein: the protective frame comprises a side plate, a bottom plate and a bolt, wherein the side plate comprises a side plate body and a bent side plate connecting part; the side plate body is fixedly connected with the heating groove, and the side plate connecting part is connected with the bottom plate through a bolt; the bolt extends out of the bottom plate so that the bottom plate has a ground clearance.
9. The immersion tube type electric heating furnace as claimed in claim 8, wherein: the fender bracket still includes supplementary bottom plate, supplementary bottom plate with bottom plate fixed connection, supplementary bottom plate is along bottom plate minor face direction toward outwards extending.
10. The immersion tube type electric heating furnace as claimed in any one of claims 1 to 6, 8 to 9, wherein: the furnace body is characterized by further comprising adjustable supporting legs arranged at the bottom of the furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922224061.7U CN211551707U (en) | 2019-12-12 | 2019-12-12 | Immersion tube type electric heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922224061.7U CN211551707U (en) | 2019-12-12 | 2019-12-12 | Immersion tube type electric heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211551707U true CN211551707U (en) | 2020-09-22 |
Family
ID=72505252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922224061.7U Active CN211551707U (en) | 2019-12-12 | 2019-12-12 | Immersion tube type electric heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211551707U (en) |
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2019
- 2019-12-12 CN CN201922224061.7U patent/CN211551707U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511401 No. 130, Dabei Road, Shiqiao street, Panyu District, Guangzhou, Guangdong Patentee after: Guangzhou Panyu Hotel Co.,Ltd. first branch Address before: 511401 No. 130, Dabei Road, Shiqiao street, Panyu District, Guangzhou, Guangdong Patentee before: Panyu China Travel Agency Panyu Hotel, Guangzhou |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220210 Address after: 511400 No. 130, Dabei Road, Shiqiao street, Panyu District, Guangzhou, Guangdong Patentee after: Guangzhou Panyu Hotel Co.,Ltd. Address before: 511401 No. 130, Dabei Road, Shiqiao street, Panyu District, Guangzhou, Guangdong Patentee before: Guangzhou Panyu Hotel Co.,Ltd. first branch |
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| TR01 | Transfer of patent right |