CN111148296A

CN111148296A - Heating pipe with attenuation resistance and rapid temperature controller

Info

Publication number: CN111148296A
Application number: CN202010051651.9A
Authority: CN
Inventors: 王建定
Original assignee: Ningbo Yangtian Magnetic Energy Technology Co ltd
Current assignee: Ningbo Yangtian Magnetic Energy Technology Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-05-12

Abstract

The invention discloses a heating pipe which adopts attenuation-resistant resistance and is provided with a rapid temperature controller, and the heating pipe comprises a pipe body, attenuation-resistant resistance wires, a first temperature controller and a second temperature controller, wherein the attenuation-resistant resistance wires are arranged in the pipe body, the first temperature controller and the second temperature controller are embedded on the pipe body, two ends of the pipe body are fixedly connected with connecting seats, leading-out rods for threading are respectively penetrated and fixedly connected on the side walls of the two connecting seats, and the attenuation-resistant resistance wires comprise a first section of wire, a second section of wire and a third section of wire. The invention adopts the attenuation resistance and is additionally provided with the two temperature controllers, has compact structure, uniform heating and excellent temperature control function, improves the temperature sensing effect and the temperature transmission speed, improves the sensitivity and the control precision, has excellent temperature control effect, plays a role in dry burning protection and further improves the safety and the reliability.

Description

Heating pipe with attenuation resistance and rapid temperature controller

Technical Field

The invention relates to the technical field of heating equipment, in particular to a heating pipe which adopts attenuation-resistant resistance and is provided with a rapid temperature controller.

Background

The heating tube is an electric heating element for converting electric energy into heat energy to heat materials to be heated, and is widely applied to heating processes in the fields of industry, agriculture and civilian use, generally, an electric heating wire is arranged in a seamless metal tube, a gap part is filled with magnesium oxide powder with good heat conductivity and insulativity and then is contracted to form the heating tube, and the heating tube is processed into various shapes required by users.

The bimetallic strip snap-action temperature controller takes a bimetallic strip with a fixed temperature as a heat sensitive reaction component, when the temperature of a main part of a product rises, heat generated is transferred to a bimetallic strip, the bimetallic strip rapidly acts when the temperature reaches the action temperature, and a contact is opened or closed under the action of a mechanism; when the temperature is reduced to the reset temperature, the bimetallic strip is quickly restored to the original state, so that the contact is closed or disconnected, and the purpose of connecting or disconnecting the circuit is achieved, so that the circuit is controlled, the attenuation-resistant resistor is a resistor with long service life, and the main physical characteristic of the attenuation-resistant resistor is that the variable electric energy is heat energy, namely, the attenuation-resistant resistor is a current-resisting energy consumption element through which the current generates internal energy.

The existing heating pipe has the advantages of simple structure, single function, lack of a quick temperature control function, easy dry burning and low safety, and provides a heating pipe which adopts attenuation resistance and is provided with a quick temperature controller for solving the problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a heating pipe which adopts an attenuation-resistant resistor and is provided with a rapid temperature controller, adopts the attenuation-resistant resistor, is additionally provided with two temperature controllers, has a compact structure, uniform heating, excellent temperature control function, improved temperature sensing effect and temperature transmission speed, improved sensitivity and control precision, excellent temperature control effect, dry burning protection effect and improved safety and reliability.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an adopt resistance to attenuation and have heating pipe of quick temperature controller, includes body, resistance to attenuation resistance wire, first temperature controller and second temperature controller, resistance to attenuation resistance wire sets up in the body, first temperature controller and second temperature controller inlay and establish on the body, the equal fixedly connected with connecting seat in both ends of body, two all run through and fixedly connected with on the lateral wall of connecting seat is used for the threading to draw forth the stick, resistance to attenuation resistance wire includes first section silk, second section silk and third section silk, first section silk and second section silk are connected through first temperature controller electricity, second section silk and third section silk are connected through second temperature controller electricity, resistance to attenuation resistance wire all is equipped with heat conduction silicone grease on being close to the lateral wall of first temperature controller and second temperature controller department, first temperature controller and second temperature controller all include casing, baffle, bimetallic strip, Support post, first contact, second contact, spring, two terminals, two connection pieces and two bolts.

Preferably, the attenuation resistance wires are spirally and uniformly distributed along the axial direction of the center in the tube, and the magnesium oxide layer with good insulation and heat conduction performance is compacted and filled in the gap between the attenuation resistance wires and the tube body.

Preferably, both of the terminals are fixedly connected to an upper end side wall of the housing.

Preferably, the partition plate is fixedly connected with the inner wall of the shell, the bimetallic strip is arranged below the partition plate and fixedly connected with the inner wall of the shell, the abutting column penetrates through the axis of the partition plate and is connected with the partition plate in a sliding mode.

Preferably, the first contact is fixedly connected to the side wall of the upper end of the abutting column, the second contact is fixedly connected to the inner wall of the upper end of the shell, the spring is sleeved on the abutting column, two ends of the spring are respectively and fixedly connected with the side wall of the first contact and the side wall of the partition plate, and the partition plate and the abutting column are made of insulating materials.

Preferably, a first contact on the first temperature controller is electrically connected with the first section wire, and a second contact on the first temperature controller is electrically connected with the second section wire.

Preferably, the first contact on the second temperature controller is electrically connected with the second section of wire, and the second contact on the second temperature controller is electrically connected with the third section of wire.

Preferably, the lateral wall of body is gone up fixedly connected with and the corresponding fixed block in connection piece position, link to each other through the bolt between fixed block and the connection piece.

The invention has the following beneficial effects:

1. by arranging the tube body, the attenuation resistance wire and the magnesium oxide layer, the attenuation resistance wire is arranged in the tube body in a tubular form and is uniformly and spirally distributed along the central axis in the tube, and the magnesium oxide layer with good insulation and thermal conductivity is compacted and filled in the gap.

2. Through setting up the body, the resistance wire resists attenuation, first temperature controller, second temperature controller and heat conduction silicone grease, the heating pipe of the invention adds two temperature controllers of first temperature controller and second temperature controller, make it have splendid temperature control function, two temperature controllers all directly run through the lateral wall of body and inlay to establish and install on the body, press close to resistance wire resists attenuation and be favorable to heat transfer, and the setting of cooperation heat conduction silicone grease, very big temperature sensing effect and the heat transfer speed that has improved first temperature controller and second temperature controller, sensitivity and control accuracy have been improved, the temperature control effect is fabulous, dry combustion protection has been played, and then security and reliability have been improved.

3. By arranging the first temperature controller and the second temperature controller, the first temperature controller and the second temperature controller arranged in the invention are normally closed, namely the initial state is the contact closed state, at the moment, the spring is in the extension state, the first contact and the second contact are contacted, when the temperature rises, the contacts are disconnected, the temperature drops, and the contacts are connected, the structure is simple, the two temperature controllers are arranged, the safety and the reliability are realized, and the two temperature controllers are connected in series, wherein when one temperature is disconnected, the disconnection of a circuit can be realized, so that the sensitivity, the control precision and the dry burning protection effect are improved, the safety and the reliability are further improved, when the temperature of the bimetallic strip reaches the action temperature, the bimetallic strip is heated to generate internal stress, the bimetallic strip rapidly acts to bend downwards, and the support column is under the action of the self gravity and the spring restoring deformation and shrinking, the support column slides downwards, the first contact and the second contact are disconnected, so that the circuit connection is cut off, the temperature control effect is achieved, and when the bimetallic strip is cooled to the reset temperature, the first contact and the second contact are automatically closed to restore the normal working state.

Drawings

FIG. 1 is a schematic structural diagram of a heating tube with a rapid temperature controller and a damping resistance according to the present invention;

fig. 2 is a schematic cross-sectional view of a heating tube with a rapid temperature controller and a damping resistor according to the present invention.

In the figure: the temperature control device comprises a pipe body 1, attenuation-resistant resistance wires 2, a first section of wire 21, a second section of wire 22, a third section of wire 23, a first temperature controller 3, a second temperature controller 4, a connecting seat 5, a lead-out rod 6, a magnesium oxide layer 7, heat-conducting silicone grease 8, a shell 101, a partition plate 102, a bimetallic strip 103, a butting column 104, a first contact 105, a second contact 106, a spring 107, a terminal 108, a fixing block 109, a connecting piece 110 and a bolt 111.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a heating pipe with attenuation resistance and a rapid temperature controller comprises a pipe body 1, attenuation resistance wires 2, a first temperature controller 3 and a second temperature controller 4, wherein the attenuation resistance wires 2 are arranged in the pipe body 1, the attenuation resistance wires 2 are spirally and uniformly distributed along the central axis in the pipe, a magnesium oxide layer 7 with good insulating and heat conducting properties is compacted and filled in the gap between the attenuation resistance wires 2 and the pipe body 1, the pipe body 1 is made of a stainless steel pipe and has long service life, through arranging the pipe body 1, the attenuation resistance wires 2 and the magnesium oxide layer 7, the heating pipe of the invention is provided with the attenuation resistance wires 2 in the pipe body 1 in a tubular form and is uniformly and spirally distributed along the central axis in the pipe, the magnesium oxide layer 7 with good insulating properties is compacted and filled in the gap, the structure is highly dense, compact in structure, and dense due to short and dense whole, therefore, the stability is good, a support is not needed in installation, the heat efficiency is high, the heating is uniform, when current passes through the attenuation-resistant resistance wire 2, the generated heat is diffused to the surface of the tube body 1 through the magnesium oxide layer 7 and then is transferred to a heated member or air, and the heating purpose is achieved.

Wherein, the first temperature controller 3 and the second temperature controller 4 are embedded on the pipe body 1, two ends of the pipe body 1 are fixedly connected with the connecting seats 5 by argon arc welding, two ends of the pipe body 1 are positioned at the connecting seats 5 and sealed by silica gel or ceramics, the side walls of the two connecting seats 5 are both penetrated and fixedly connected with the leading-out bars 6 for threading, the attenuation-resistant resistance wire 2 comprises a first section wire 21, a second section wire 22 and a third section wire 23, the first section wire 21 is connected with a power-on lead through the connecting seats 5 and the leading-out bars 6 which are close to one ends of the first section wire 21 far away from the first temperature controller 3, the first section wire 21 and the second section wire 22 are electrically connected through the first temperature controller 3, the second section wire 22 and the third section wire 23 are electrically connected through the second temperature controller 4, the third section wire 23 is connected with the power-on lead through the connecting seats 5 and the leading-, the side walls of the attenuation resistance wire 2 close to the first temperature controller 3 and the second temperature controller 4 are respectively provided with a heat-conducting silicone grease 8, the action temperature range of the first temperature controller 3 and the second temperature controller 4 in the invention is between 0 and 300 ℃, the temperature precision is +/-2 ℃, the tube body 1, the attenuation resistance wire 2, the first temperature controller 3, the second temperature controller 4 and the heat-conducting silicone grease 8 are arranged, the first temperature controller 3 and the second temperature controller 4 which are additionally arranged on the heating tube have excellent temperature control function, the two temperature controllers are both directly embedded and arranged on the tube body 1 through the side wall of the tube body 1, the temperature sensing effect and the temperature transmission speed of the first temperature controller 3 and the second temperature controller 4 are greatly improved by matching with the arrangement of the heat-conducting silicone grease 8, the sensitivity and the control precision are improved, the temperature control effect is excellent, plays a role in dry burning protection, and further improves the safety and reliability.

Wherein, the first temperature controller 3 and the second temperature controller 4 both include a casing 101, a partition plate 102, a bimetal 103, a support column 104, a first contact 105, a second contact 106, a spring 107, two terminals 108, two connecting sheets 110 and two bolts 111, the two terminals 108 are both fixedly connected to the upper end side wall of the casing 101, the partition plate 102 is fixedly connected to the inner wall of the casing 101, the bimetal 103 is disposed below the partition plate 102, the bimetal 103 is fixedly connected to the inner wall of the casing 101, the support column 104 is disposed at the axial center of the partition plate 102 in a penetrating manner, the support column 104 is slidably connected to the partition plate 102, the first contact 105 is fixedly connected to the upper end side wall of the support column 104, the second contact 106 is fixedly connected to the upper end inner wall of the casing 101, the spring 107 is sleeved on the support column 104, two ends of the spring 107 are respectively fixedly connected to the side wall of the first contact 105 and the side wall of the partition plate 102, the partition plate 102, the first contact 105 on the first temperature controller 3 is electrically connected with the first section wire 21, the second contact 106 on the first temperature controller 3 is electrically connected with the second section wire 22, the first contact 105 on the second temperature controller 4 is electrically connected with the second section wire 22, the second contact 106 on the second temperature controller 4 is electrically connected with the third section wire 23, by arranging the first temperature controller 3 and the second temperature controller 4, the first temperature controller 3 and the second temperature controller 4 arranged in the invention are normally closed, namely the initial state is the contact closed state, at the moment, the spring 107 is in the extension state, the first contact 105 is in contact with the second contact 106, when the temperature rises, the contacts are disconnected, the temperature drops, the contacts are connected, the structure is simple, the two temperature controllers are arranged, the two temperature controllers are in series connection, one of the two temperature controllers is disconnected, the disconnection of a circuit can be realized, and the sensitivity, the control precision and the dry burning protection function are improved, when the temperature of the bimetallic strip 103 reaches the action temperature, the bimetallic strip 103 is heated to generate internal stress to rapidly act and bend downwards, the prop 104 slides downwards under the action of the gravity of the prop 104 and the recovery deformation and contraction of the spring 107, the first contact 105 is disconnected with the second contact 106, so that the circuit connection is cut off, the temperature control effect is achieved, and when the bimetallic strip 103 is cooled to the reset temperature, the first contact 105 and the second contact 106 are automatically closed to recover the normal working state.

Wherein, fixedly connected with and connection piece 110 position corresponding fixed block 109 on the lateral wall of body 1, link to each other through bolt 111 between fixed block 109 and the connection piece 110, through setting up fixed block 109, connection piece 110 and bolt 111, make things convenient for first temperature controller 3 and the installation of second temperature controller 4 and dismantle, during the installation, only need to place first temperature controller 3 and the fixed of second temperature controller 4 and connect, then link to each other connection piece 110 with fixed block 109 is fixed through bolt 111, on the contrary, the same reason, alright convenient dismantlement is maintained.

The invention relates to a heating pipe, wherein attenuation-resistant resistance wires 2 are arranged in a tubular pipe body 1, and are uniformly and spirally distributed along the central axis in the pipe, and a magnesium oxide layer 7 with good insulating and heat conducting properties is filled in a gap in a matched and compacted mode, the structure is highly compact, the structure is compact, the whole body is short and compact, so the heating pipe has good stability, a bracket is not required for installation, simultaneously, the heating efficiency is high, and the heating pipe generates heat uniformly, when current passes through the attenuation-resistant resistance wires 2, the generated heat is diffused to the surface of the pipe body 1 through the magnesium oxide layer 7 and then is transferred to a heated element or air, thereby achieving the heating purpose, the heating pipe is additionally provided with a first temperature controller 3 and a second temperature controller 4, so that the heating pipe has an excellent temperature control function, the two temperature controllers are directly embedded and installed on the pipe body 1 through the side wall of the pipe body 1, and the temperature sensing effect and the temperature transmission speed of the first temperature controller 3 and the second temperature controller 4 are greatly improved by matching with the arrangement of the heat-conducting silicone grease 8, the sensitivity and the control precision are improved, the temperature control effect is excellent, the dry burning protection effect is achieved, and the safety and the reliability are further improved, the first temperature controller 3 and the second temperature controller 4 which are arranged in the invention are normally closed, namely, the initial state is the contact closing state, at the moment, the spring 107 is in the extension state, the first contact 105 and the second contact 106 are contacted, when the temperature rises, the contacts are disconnected, the temperature is reduced, the contacts are connected, the structure is simple, the arrangement of the two temperature controllers is safe and reliable, when the bimetallic strip 103 is in the initial state, the first contact 105 and the second contact 106 are in the closing state, when the temperature of the bimetallic strip 103 reaches the action temperature, the bimetallic strip 103 is heated to generate internal stress and rapidly acts and bends downwards, under the action of the self gravity of the prop 104 and the recovery deformation and contraction of the spring 107, the prop 104 slides downwards, the first contact 105 and the second contact 106 are disconnected, so that the circuit connection is cut off, the temperature control effect is further achieved, and when the bimetallic strip 103 is cooled to the reset temperature, the first contact 105 and the second contact 106 are automatically closed, and the normal working state is recovered.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A heating pipe adopting attenuation-resistant resistance and provided with a rapid temperature controller comprises a pipe body (1), attenuation-resistant resistance wires (2), a first temperature controller (3) and a second temperature controller (4), and is characterized in that the attenuation-resistant resistance wires (2) are arranged in the pipe body (1), the first temperature controller (3) and the second temperature controller (4) are embedded on the pipe body (1), two ends of the pipe body (1) are fixedly connected with connecting seats (5), two side walls of the connecting seats (5) are respectively penetrated through and fixedly connected with leading-out rods (6) for threading, the attenuation-resistant resistance wires (2) comprise first section wires (21), second section wires (22) and third section wires (23), the first section wires (21) and the second section wires (22) are electrically connected through the first temperature controller (3), the second section wires (22) and the third section wires (23) are electrically connected through the second temperature controller (4), the side walls of the attenuation resistance wires (2) close to the first temperature controller (3) and the second temperature controller (4) are respectively provided with heat conduction silicone grease (8), and the first temperature controller (3) and the second temperature controller (4) respectively comprise a shell (101), a partition plate (102), a bimetallic strip (103), a support column (104), a first contact (105), a second contact (106), a spring (107), two terminals (108), two connecting pieces (110) and two bolts (111).

2. The heating pipe with the rapid temperature controller and the attenuation-resistant resistor as claimed in claim 1, wherein the attenuation-resistant resistor wires (2) are uniformly distributed along the central axial direction of the inside of the heating pipe in a spiral manner, and a magnesium oxide layer (7) with good insulation and thermal conductivity is compacted and filled in a gap between the attenuation-resistant resistor wires (2) and the pipe body (1).

3. The heating tube with a thermostat and a damping resistance according to claim 1, wherein the two terminals (108) are fixedly connected to the upper side wall of the casing (101).

4. The heating pipe with the rapid thermostat and the attenuation-resistant resistor according to claim 1, wherein the partition plate (102) is fixedly connected to an inner wall of the casing (101), the bimetal (103) is disposed below the partition plate (102), the bimetal (103) is fixedly connected to the inner wall of the casing (101), the prop (104) is disposed at an axial center of the partition plate (102) in a penetrating manner, and the prop (104) is slidably connected to the partition plate (102).

5. The heating pipe with the rapid temperature controller and the attenuation-resistant resistor according to claim 4, wherein the first contact (105) is fixedly connected to the upper end sidewall of the supporting column (104), the second contact (106) is fixedly connected to the inner wall of the upper end of the housing (101), the spring (107) is sleeved on the supporting column (104), two ends of the spring (107) are respectively fixedly connected to the sidewall of the first contact (105) and the sidewall of the partition plate (102), and the partition plate (102) and the supporting column (104) are made of insulating materials.

6. The heating tube with a rapid thermostat and a damping resistance according to claim 1, wherein the first contact (105) of the first thermostat (3) is electrically connected to the first section wire (21), and the second contact (106) of the first thermostat (3) is electrically connected to the second section wire (22).

7. The heating tube with a rapid thermostat and a damping resistance according to claim 1, wherein the first contact (105) of the second thermostat (4) is electrically connected to the second wire (22), and the second contact (106) of the second thermostat (4) is electrically connected to the third wire (23).

8. The heating tube with the rapid temperature controller and the attenuation-resistant resistor as claimed in claims 1 to 7, wherein the side wall of the tube body (1) is fixedly connected with a fixing block (109) corresponding to the connecting piece (110), and the fixing block (109) is connected with the connecting piece (110) through a bolt (111).