CN212851048U

CN212851048U - Electric heating tube capable of accurately measuring temperature

Info

Publication number: CN212851048U
Application number: CN202022298841.9U
Authority: CN
Inventors: 周建平
Original assignee: Zhongshan Chaolian Electric Technology Co ltd
Current assignee: Zhongshan Chaolian Electric Technology Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-03-30
Anticipated expiration: 2030-10-15

Abstract

An embodiment of the utility model provides an electric heating pipe of accurate temperature measurement of ability, include: the shell, the shell tip is equipped with connects seal assembly, and the inside of shell is equipped with heating element, control and protection component, and it has the powdered magnesium to fill between shell and the heating element, is equipped with between heating element and the control and the protection component and protects well, protects the inner wall of shell is hugged closely along outer edge of well, and heating element is connected with control and protection component electricity. The heating component is used for generating heat, and the control and protection component is used for detecting water temperature and protecting the electric heating pipe. Make heating element and control and protection component be located the intermediate position of shell through guaranteeing well, because the inner wall of shell is hugged closely along guaranteeing the outer of well, the magnesium powder can't be filled between control and protection component and shell, can only fill between heating element and shell to make control and protection component directly detect the temperature, the result that the temperature detected is comparatively accurate, and it is also safer to use.

Description

Electric heating tube capable of accurately measuring temperature

Technical Field

The utility model relates to an electric heating field, in particular to electric heating pipe of accurate temperature measurement of ability.

Background

The electric heating tube is a tubular electric heating element and generally comprises a shell, a resistance wire, crystallized magnesium oxide powder, a temperature control and protection component and the like. The electric heating tube is a heating element of various electric heating products, has excellent overall performance, and also has the characteristics of super long service life and easy maintenance. The existing electric heating pipe is also filled with magnesium powder between the shell and the temperature control and protection component, and when the temperature control and protection component detects the heated water temperature, the temperature controller cannot directly detect the water temperature due to the filling of the magnesium powder, so that the detection error of the temperature controller on the water temperature is large, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an electric heating pipe of accurate temperature measurement of ability, the temperature that the detection that can be comparatively accurate is heated uses safelyr.

According to the utility model discloses the electric heating pipe that the embodiment of first aspect provided can accurate temperature measurement, include: the shell, the shell tip is equipped with connects seal assembly, the inside of shell is equipped with heating element, control and protection subassembly, it has the powdered magnesium to fill between shell and the heating element, be equipped with between heating element and the control and the protection subassembly and protect the piece, the outer edge of protecting the piece is hugged closely the inner wall of shell, heating element with control and protection subassembly electricity are connected.

According to some embodiments of the utility model, heating element includes heater, heating tube, the heater is located in the heating tube, the inside packing of heating tube has the magnesium powder, the heater both ends are connected with first connecting wire and second connecting wire respectively, first connecting wire passes in protecting that a and control and protection component electricity are connected.

According to some embodiments of the invention, the number of heating assemblies is two.

According to some embodiments of the present invention, the control and protection assembly comprises an insulating protection sleeve, a temperature controller, and a fuse; the temperature controller and the fuse are located in the insulating protective sleeve, the temperature controller is connected with the fuse in series, and the temperature controller and the fuse are respectively and electrically connected with the first connecting wire.

According to some embodiments of the utility model, the temperature controller with fuse connecting terminal department the temperature controller with first connecting terminal department the fuse with first connecting terminal department all is equipped with the connection protective sheath.

According to some embodiments of the present invention, the heating tube comprises a tube and a tube sealing member disposed at both ends of the tube.

According to some embodiments of the invention, the material of the pipe seal is teflon.

According to some embodiments of the utility model, connect sealing assembly including flange and sealed head, the last connecting thread that is equipped with of flange.

According to some embodiments of the present invention, the connecting flange is further provided with a sealing ring.

The electric heating tube capable of accurately measuring the temperature according to the embodiment at least has the following beneficial effects:

1. the utility model discloses electric heating pipe of accurate temperature measurement of ability keeps well piece through setting up and makes electric heating element and control and protection component position in the centre of shell, hugs closely through the outer edge of keeping well piece the inner wall of shell only is filled between shell and heating element has the magnesium powder, and shell and control and protection component do not have the magnesium powder to fill for control and protection component detect the temperature more accurate, use safelyr.

2. The utility model discloses electric heating pipe of accurate temperature measurement of ability all is equipped with the connection protective sheath, reinforcing insulating effect in temperature controller and fuse connecting terminal department, temperature controller and first connecting terminal department, fuse and first connecting terminal department.

3. The utility model discloses electric heating pipe of accurate temperature measurement of ability is through flange and sealed head with end seal, sealed effectual and convenient through flange and external connection.

4. The utility model discloses electric heating pipe of accurate temperature measurement of ability, every heater peripheral hardware heating tube, when the heater was many, the heater can not take place the winding, the production of being more convenient for improves the yields.

5. The utility model discloses electric heating pipe of accurate temperature measurement of ability adopts the pipeline sealing member at heating tube both ends to adopt the teflon material, and is not fragile, conveniently processes the equipment.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an overall schematic diagram of an embodiment of the present invention;

fig. 2 is an exploded schematic view of an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of an embodiment of the present invention.

Reference numerals: the sealing device comprises a shell 100, a connecting sealing assembly 200, a connecting flange 210, a connecting thread 211, a sealing head 220, a heating assembly 300, a heating wire 310, a heating tube 320, a pipeline 321, a pipeline sealing element 322, a first connecting wire 330, a second connecting wire 340, a control and protection assembly 400, a connecting protective sleeve 410, a temperature controller 420, a fuse 430, a connecting protective sleeve 440, a middle protection piece 500 and a sealing ring 600.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the displayed orientation or positional relationship of the upper, lower, front, rear, left, right, etc. is based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but not for showing or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, if the first and second terms appear, they are only used for distinguishing the technical features, but not interpreted as showing or implying relative importance or implying number of the technical features shown or implying precedence of the technical features shown.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1-3, an embodiment of the present invention provides an electric heating tube capable of accurately measuring temperature, including: the shell 100, the shell 100 tip is equipped with connects seal assembly 200, and the inside of shell 100 is equipped with heating element 300, control and protection subassembly 400, and it has the powdered magnesium to fill between shell 100 and the heating element 300, is equipped with between heating element 300 and the control and protection subassembly 400 and protects well piece 500, and the inner wall of shell 100 is hugged closely along protecting well piece 500, and heating element 300 is connected with control and protection subassembly 400 electricity. The heating unit 300 is used to generate heat, and the control and protection unit 400 is used to detect water temperature and protect the electric heating tube. The heating assembly 300 and the control and protection assembly 400 are located in the middle of the shell 100 through the middle protection piece 500, and because the outer edge of the middle protection piece 500 is tightly attached to the inner wall of the shell 100, magnesium powder cannot be filled between the control and protection assembly 400 and the shell 100 and can only be filled between the heating assembly 300 and the shell 100, so that the control and protection assembly 400 can directly detect the water temperature, the water temperature detection result is accurate, and the use is safer.

As shown in fig. 2, in some embodiments, the heating assembly 300 includes a heating wire 310 and a heating tube 320, the heating wire 310 is located in the heating tube 320, magnesium powder is filled in the heating tube 320, two ends of the heating wire 310 are respectively connected with a first connecting line 330 and a second connecting line 340, the first connecting line 330 passes through the middle protection component 500 to be electrically connected with the control and protection assembly 400, the heating wire 310 is located in the heating tube 320, when the number of the heating wires 310 is multiple, the heating tube 320 can separate the heating wire 310, the heating wire 310 is prevented from being wound, production and processing are facilitated, and the yield of products is improved.

Of course, it is easily contemplated by those skilled in the art that the heating assembly 300 may be a ceramic heating assembly, and a ceramic heating tube is used instead of the heating wire heating tube.

As shown in fig. 2, in some embodiments, the number of heating assemblies 300 is two. The two heating assemblies 300 are arranged side by side, wherein the first connecting line 330 of one heating assembly 300 is electrically connected with the temperature controller 420, and the first connecting line 330 of the other heating assembly 300 is electrically connected with the fuse 430.

As shown in fig. 2, in some embodiments, the control and protection assembly 400 includes an insulating protection sleeve 410, a temperature controller 420, and a fuse 430; temperature controller 420, fuse 430 are located insulating protective sheath 410, temperature controller 420 and fuse 430 series connection, temperature controller 420 and fuse 430 are connected with first connecting wire 330 electricity respectively, and temperature controller 420 is used for detecting the temperature, and fuse 430 is used for playing fusing guard action when electric heating pipe dry combustion method, makes the safe and reliable more of product, and insulating protective sheath 410 plays insulating guard action, further improves electric heating pipe's factor of safety.

As shown in fig. 2, in some embodiments, the connection locations of the temperature controller 420 and the fuse 430, the connection locations of the temperature controller 420 and the first connection wire 330, and the connection locations of the fuse 430 and the first connection wire 330 are all provided with a connection protection sleeve 440, and the connection protection sleeve 440 is made of an insulated glass fiber material, so that the insulation performance of the electric heating tube is further improved, and the electric heating tube is safer to use.

As shown in fig. 2, in some embodiments, the heat generating tube 320 includes a pipe 321 and pipe seals 322 disposed at both ends of the pipe 321, the pipe 321 is also filled with magnesium powder, and the pipe seals 322 are used to seal both ends of the pipe 321.

As shown in fig. 2, in some embodiments, the material of the duct seal 322 is teflon, which is resistant to high temperature and is not brittle, and thus is easy to assemble.

As shown in fig. 2, in some embodiments, the connection sealing assembly 200 includes a connection flange 210 and a sealing head 220, wherein the connection flange 210 is provided with connection threads 211. The connection threads on the connection flange 210 are used to connect with external structures, and the connection flange 210 in combination with the sealing head 220 seals the end of the housing 100. The connecting flange 210 is connected with the sealing head 220, the sealing head 220 is provided with an inserting sheet, and the second connecting line 340 of the heating component 300 is connected with the inserting sheet.

As shown in fig. 2, in some embodiments, a sealing ring 600 is further disposed on the connecting flange 210, and the sealing ring 600 is beneficial to enhance the sealing performance of the connection of the connecting flange 210 with external components.

In the description of the present specification, if reference is made to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", and "some examples", etc., it is intended that a particular feature, structure, material, or characteristic described in connection with the embodiment or example be included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electric heating tube capable of accurately measuring temperature is characterized by comprising: shell (100), shell (100) tip is equipped with connects seal assembly (200), the inside of shell (100) is equipped with heating element (300), control and protection component (400), it has the magnesium powder to fill between shell (100) and heating element (300), be equipped with between heating element (300) and control and protection component (400) and protect well piece (500), the outer edge of protecting well piece (500) is hugged closely the inner wall of shell (100), heating element (300) with control and protection component (400) electricity are connected.

2. The electric heating tube capable of accurately measuring temperature according to claim 1, wherein the heating assembly (300) comprises a heating wire (310) and a heating tube (320), the heating wire (310) is located in the heating tube (320), magnesium powder is filled in the heating tube (320), two ends of the heating wire (310) are respectively connected with a first connecting wire (330) and a second connecting wire (340), and the first connecting wire (330) passes through the centering piece (500) and is electrically connected with the control and protection assembly (400).

3. The electric-heating tube capable of accurately measuring temperature according to claim 2, wherein the number of the heating elements (300) is two.

4. The electric heating tube capable of accurately measuring temperature according to claim 2, wherein the control and protection assembly (400) comprises an insulating protective sleeve (410), a temperature controller (420), and a fuse (430); the temperature controller (420) and the fuse (430) are located in the insulating protective sleeve (410), the temperature controller (420) is connected with the fuse (430) in series, and the temperature controller (420) and the fuse (430) are respectively electrically connected with the first connecting wire (330).

5. The electric heating tube capable of accurately measuring temperature according to claim 4, wherein a connection protection sleeve (440) is disposed at a connection terminal of the thermostat (420) and the fuse (430), a connection terminal of the thermostat (420) and the first connection wire (330), and a connection terminal of the fuse (430) and the first connection wire (330).

6. An electric-heating tube capable of accurately measuring temperature according to claim 2, wherein the heat-generating tube (320) includes a tube (321) and tube sealing members (322) provided at both ends of the tube (321).

7. The electric-heating tube capable of accurately measuring temperature according to claim 6, wherein the material of the tube sealing member (322) is Teflon.

8. The heating tube for accurately measuring temperature according to claim 1, wherein the connecting and sealing assembly (200) comprises a connecting flange (210) and a sealing head (220), and the connecting flange (210) is provided with a connecting thread (211).

9. The heating tube for accurately measuring temperature according to claim 8, wherein the connecting flange (210) is further provided with a sealing ring (600).