CN219999624U - Straight barrel heating body - Google Patents

Straight barrel heating body Download PDF

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Publication number
CN219999624U
CN219999624U CN202321299743.4U CN202321299743U CN219999624U CN 219999624 U CN219999624 U CN 219999624U CN 202321299743 U CN202321299743 U CN 202321299743U CN 219999624 U CN219999624 U CN 219999624U
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China
Prior art keywords
shell
electric heating
heat
heat exchange
generating body
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Application number
CN202321299743.4U
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Chinese (zh)
Inventor
罗龙军
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Zhongshan Rilong Electrothermal Technology Co ltd
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Zhongshan Rilong Electrothermal Technology Co ltd
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Abstract

The utility model relates to the field of heating equipment, in particular to a straight tube heating element. The heat exchange water channel is arranged in the shell and penetrates through the shell along the length direction of the shell; the periphery of the shell is provided with a plurality of mounting grooves which are arranged along the length direction; the electric heating tube is arranged in the mounting groove; the outer box is arranged on the outer side of the shell, and a heat insulation layer is arranged between the outer box and the shell; the two ends of the outer box are provided with fixed brackets; the shell at two ends of the heat exchange water channel is provided with a connector which extends out of the fixed bracket. The problem of power consumption and electricity consumption caused by power reduction in the working process is solved, and the current is the same as the current of normal work when the electric heating tube is started, and no instant current exists. The electric heating tube has no noise. The shell and the heat exchange water channel after oxidation treatment are hardly corroded, the heat transfer area of the surrounding type electric heating tube is large, and scaling is not easy to occur. The heat insulation layer can effectively prevent heat exchange with the environment; the convex ribs in the heat exchange water channel can increase the contact area with the heat exchange liquid, so that the heat exchange is quicker.

Description

Straight barrel heating body
Technical Field
The utility model relates to the field of heating equipment, in particular to a straight tube heating element.
Background
The motor heat generally adopts a mode of isolating a heating body from heat exchange liquid, and the electric heating body heats the heat exchange liquid through a shell of copper or aluminum alloy;
the traditional heating body adopts a PTC semiconductor heating body, and has the following problems:
1. the service life is short; 2. the energy consumption power is gradually attenuated, so that the power consumption is caused; 3. magnetic and thus noisy in operation; 4. high power, high voltage and particularly high current are required for starting.
Disclosure of Invention
In order to solve some problems of the heater in the prior art, the utility model provides a straight tube heating element.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a straight tube heating element comprises a shell, wherein a heat exchange water channel penetrating along the length direction of the shell is arranged in the shell;
the periphery of the shell is provided with a plurality of mounting grooves which are arranged along the length direction;
the electric heating tube is arranged in the mounting groove;
the outer box is arranged on the outer side of the shell, and a heat insulation layer is arranged between the outer box and the shell;
fixing brackets are arranged at two ends of the outer box;
and connectors are arranged on the shells at two ends of the heat exchange water channel and extend out of the fixed support.
Further, the cross section of the mounting groove is in a major arc bow shape.
Further, the cross section of the shell is regular hexagon or round; the cross section of the outer box is regular hexagon or round.
Further, the inner wall of the heat exchange water channel is provided with ribs which are axially arranged.
Further, the number of the mounting grooves is 12.
Further, through holes corresponding to the electric heating tubes are formed in the fixing support on one side.
Further, every two electric heating pipes are in a group, one end of the same side of each group of electric heating pipes is electrically connected, and the other end of each group of electric heating pipes is respectively connected with a zero line and a fire line; the joint is sleeved with a heat shrinkage tube.
Further, the fire wire ends of the 1 st, 3 rd, 5 th and 7 th electric heating pipes are connected together, the fire wire ends of the 2 nd, 4 th, 9 th and 11 th electric heating pipes are connected together, and the fire wire ends of the 6 th, 8 th, 10 th and 12 th electric heating pipes are connected together.
Further, a plurality of U-shaped grooves are formed in the outer surface of the shell along the axial direction; the heat insulation layer is heat insulation cotton, and protrusions corresponding to the U-shaped grooves are machined on the inner wall of the heat insulation cotton.
Further, the shell is made of aluminum alloy, and the surface of the shell is subjected to oxidation treatment.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model adopts the alumina ceramic heating tube to replace the existing PTC semiconductor heating element, improves the structure of the heating element, solves the problem of short service life of the PTC semiconductor, solves the problem of energy consumption and electricity consumption caused by power reduction in the working process, and has the same current as the normal working current and no instantaneous current when the electric heating tube is started. The PTC semiconductor has inductance during operation, so that it has noise, while the electric heating tube has no noise.
The shell can separate the electric heating tube from water to realize water-electricity separation, under the common use environment, the power of the electric heating tube is almost not attenuated, the shell and the heat exchange water channel after oxidation treatment are almost not corroded, the heat transfer area of the surrounding type electric heating tube is large, and scaling is not easy to occur.
The heat insulation layer can effectively prevent heat exchange with the environment;
the convex ribs in the heat exchange water channel can increase the contact area with the heat exchange liquid, so that the heat exchange is quicker.
Drawings
FIG. 1 is a schematic diagram of a straight tube heater provided by the utility model;
FIGS. 2 and 3 are axial side views of the straight tube heating element provided by the utility model;
FIG. 4 is an axial side view of a straight tube heater provided by the utility model without a fixed bracket;
FIG. 5 is a sectional view of a part of the straight tube heat-generating body provided by the utility model; wherein: the heat exchange water channel 1, the shell 2, the mounting groove 3, the electric heating tube 4, the U-shaped groove 5, the outer box 6, the heat insulation layer 7, the fixed support 8, the joint 9, the heat shrinkage tube 10 and the bulge 11.
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.
As shown in fig. 1-5, the embodiment provides a straight tube heating element, which comprises a shell 2, wherein a heat exchange water channel 1 penetrating along the length direction of the shell 2 is arranged in the shell 2, and the cross section of the heat exchange water channel 1 is circular; the shell 2 is made of aluminum alloy, and the surface is subjected to oxidation treatment, so that an extremely thin aluminum oxide film is formed on the inner wall of the heat exchange water channel 1 and the surface of the shell 2, and the heat exchange water channel has certain corrosion resistance;
the periphery of the shell 2 is provided with a plurality of mounting grooves 3 which are arranged along the length direction, and the mounting grooves 3 are arranged at equal intervals along the periphery of the shell 2;
the electric heating tube 4 is arranged in the mounting groove 3, two ends of the electric heating tube 4 extend out of the mounting groove 3, and the electric heating tube 4 is an alumina ceramic heating tube and has the advantages of rapid and uniform temperature rise, large heating surface, low power consumption, long service life, good heat preservation performance and the like;
an outer case 6 installed at the outside of the case 2, and a heat insulation layer 7 installed between the outer case 6 and the case 2 to prevent heat exchange with the environment;
the two ends of the outer box 6 are provided with fixed brackets 8, the lower ends of the brackets 8 are provided with mounting feet, and the mounting feet are provided with two waist holes for mounting and adjusting the position of the straight tube heating body;
the shell 2 at the two ends of the heat exchange water channel 1 is provided with joints, and the joints 9 extend out of the fixed bracket 8. In the present embodiment, the joint 9 is a threaded joint.
In another embodiment of the utility model, the cross section of the mounting groove 3 is in a major arc shape, so that a small part of the electric heating tube 4 leaks out of the periphery of the shell 2, and after the heat insulation layer 7 is mounted, the heat insulation layer 7 presses the electric heating tube 4 inwards, so that the electric heating tube 4 is closely attached to the inner wall of the shell 2, and the heat transfer effect is ensured.
In another embodiment of the utility model, the cross section of the housing 2 is regular hexagonal or circular; the cross section of the outer box 6 is also regular hexagon or round, but the cross sections of the shell 2 and the outer box 6 should be kept consistent as much as possible, so that the thickness of the heat insulation layer 7 is uniform, and the heat insulation effect is ensured; in this embodiment, casing 2 and outer box 6 are regular hexagon, and outer box 6 top surface level can install the temperature controller above, and outer box 6's opposite side distance is 85.3mm, and outer box 6 top is 107mm to the distance of fixed bolster 8 bottom, and joint 9 width is 25mm, and electric heating tube 4 diameter 7.8-7.9mm, according to different market demand, straight section of thick bamboo heat-generating body has 6 specifications at present:
and (3) a step of: the length between the outer edges of the 2 fixed brackets 8 is 294mm, and the fixed brackets are connected with 220V power supply with 8KW power;
and II: the length between the outer edges of the 2 fixed brackets 8 is 336mm, and the fixed brackets are connected with 220V power supply with 10KW power;
thirdly,: the length between the outer edges of the 2 fixed brackets 8 is 392mm, and the fixed brackets are connected with 220V power supply with 12KW power;
fourth, the method comprises the following steps: the length between the outer edges of the 2 fixed brackets 8 is 596mm, and the fixed brackets are connected with 220V power supply with 16KW power;
fifth step: the length between the outer edges of the 2 fixed brackets 8 is 680mm, and the fixed brackets are connected with 220V power supply with 20KW power;
sixth,: the length between the outer edges of the 2 fixed brackets 8 is 778mm, and the fixed brackets are connected with 220V power supply and 25KW power.
In another embodiment of the utility model, the inner wall of the heat exchange water channel 1 is provided with the ribs which are axially arranged, and the cross sections of the ribs are arc-shaped, so that the contact area between the inner wall of the heat exchange water channel 1 and the heat exchange agent can be increased, and the heat exchange effect is improved.
In another embodiment of the present utility model, the number of the mounting grooves 3 is 12, and when the cross section of the housing 2 is a regular hexagon, each side of the housing 2 is provided with 2 mounting grooves 3.
In another embodiment of the present utility model, through holes corresponding to the electric heating tubes 4 are formed in one side of the fixing support 8, so that the electric heating tubes 4 extend out of the fixing support 8 and are connected to a power supply after being grouped.
In another embodiment of the utility model, a wiring mode of the electric heating pipes is provided, which is suitable for 220V power supply, every two adjacent electric heating pipes 4 are grouped, one end of the same side of each group of electric heating pipes 4 is connected through a wiring rod, and the other end is respectively connected with a zero line and a fire wire; the joint is sleeved with a heat shrinkage tube 10.
In another embodiment of the utility model, a connection mode of the electric heating pipes is provided, which is suitable for a 380V power supply, a three-phase four-wire connection mode is adopted, the electric heating pipes 4 are arranged in groups of four, the fire wire ends of the 1 st, 3 rd, 5 th and 7 th electric heating pipes 4 are connected together, the fire wire ends of the 2 nd, 4 th, 9 th and 11 th electric heating pipes 4 are connected together, and the fire wire ends of the 6 th, 8 th, 10 th and 12 th electric heating pipes 4 are connected together.
In another embodiment of the utility model, the outer surface of the housing 2 is provided with a plurality of axially arranged U-shaped grooves 5, one U-shaped groove 5 being provided on each face of the housing 2, between two mounting grooves 3; the heat insulation layer 7 is heat insulation cotton, the inner wall of the heat insulation cotton is processed with a bulge 11 corresponding to the U-shaped groove, and when the heat insulation cotton is installed, the bulge 11 is inserted into the U-shaped groove 5 to compress the electric heating tube 4.
The heat exchange water channel 1 is added with a heat exchange agent such as water, the heat exchange agent with better limit performance can be selected according to the requirement under special conditions, the heat exchange agent is water, and the heat exchange agent with better performance can be selected under extreme environments.
The assembling flow of the straight tube heating body is as follows:
the electric heating tube 4 is placed in the mounting groove 3 of the shell 2, the bulge 11 of the heat insulation layer 7 is inserted into the corresponding U-shaped groove 5, the heat insulation layer 7 is pressed against the leakage part of the electric heating tube 4, the outer box 6 is mounted, the electric heating tube 4 to be connected is connected together, the fixing brackets 8 are mounted at two ends and screwed by 6M 4 screws, the power line and the water pipe are connected, and the complete straight tube heating body is assembled.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A straight section of thick bamboo heat-generating body, its characterized in that: the heat exchange water channel is arranged in the shell and penetrates through the shell along the length direction of the shell;
the periphery of the shell is provided with a plurality of mounting grooves which are arranged along the length direction;
the electric heating tube is arranged in the mounting groove;
the outer box is arranged on the outer side of the shell, and a heat insulation layer is arranged between the outer box and the shell;
fixing brackets are arranged at two ends of the outer box;
and connectors are arranged on the shells at two ends of the heat exchange water channel and extend out of the fixed support.
2. A straight tube heat-generating body as described in claim 1, wherein: the cross section of the mounting groove is in a major arc shape.
3. A straight tube heat-generating body according to claim 1 or 2, characterized in that: the cross section of the shell is regular hexagon or round; the cross section of the outer box is regular hexagon or round.
4. A straight tube heat-generating body according to claim 1 or 2, characterized in that: the inner wall of the heat exchange water channel is provided with ribs which are axially arranged.
5. A straight tube heat-generating body according to claim 1 or 2, characterized in that: the number of the mounting grooves is 12.
6. A straight tube heat-generating body according to claim 1 or 2, characterized in that: the fixing support on one side is provided with a through hole corresponding to the electric heating tube.
7. A straight tube heat-generating body as described in claim 5, wherein: every two electric heating pipes are in a group, one end of the same side of each group of electric heating pipes is electrically connected, and the other end of each group of electric heating pipes is respectively connected with a zero line and a fire wire; the joint is sleeved with a heat shrinkage tube.
8. A straight tube heat-generating body as described in claim 5, wherein: the fire wire ends of the 1 st, 3 rd, 5 th and 7 th electric heating pipes are connected together, the 2 nd, 4 th, 9 th and 11 th electric heating pipes are connected together, and the 6 th, 8 th, 10 th and 12 th electric heating pipes are connected together.
9. A straight tube heat-generating body as described in claim 1, wherein: the outer surface of the shell is provided with a plurality of U-shaped grooves which are axially arranged; the heat insulation layer is heat insulation cotton, and protrusions corresponding to the U-shaped grooves are machined on the inner wall of the heat insulation cotton.
10. A straight tube heat-generating body as described in claim 1, wherein: the shell is made of aluminum alloy, and the surface of the shell is subjected to oxidation treatment.
CN202321299743.4U 2023-05-26 2023-05-26 Straight barrel heating body Active CN219999624U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321299743.4U CN219999624U (en) 2023-05-26 2023-05-26 Straight barrel heating body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321299743.4U CN219999624U (en) 2023-05-26 2023-05-26 Straight barrel heating body

Publications (1)

Publication Number Publication Date
CN219999624U true CN219999624U (en) 2023-11-10

Family

ID=88608965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321299743.4U Active CN219999624U (en) 2023-05-26 2023-05-26 Straight barrel heating body

Country Status (1)

Country Link
CN (1) CN219999624U (en)

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