CN210609763U

CN210609763U - Split three-side PTC heating pipe

Info

Publication number: CN210609763U
Application number: CN201921028584.8U
Authority: CN
Inventors: 唐红平
Original assignee: Dongguan Shangyu Electronic Co Ltd
Current assignee: Dongguan Shangyu Electronic Co Ltd
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-05-22
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a trilateral PTC heating pipe of components of a whole that can function independently, including PTC heating device and heat-conducting element, the liquid runner has been seted up at heat-conducting element center, follow on the heat-conducting element the peripheral even array of liquid runner has three heating device draw-in groove, PTC heating device has all been installed in every heating device draw-in groove. Compared with the prior art, the utility model discloses a PTC is as heating core, uses safe and reliable, automatic constant temperature, and power consumption is little, and heat exchange efficiency is high, and the trilateral heating structure of components of a whole that can function independently accords with the mode of connection of three-phase four-wire, and the wiring technology worker is simple, and the product production yields is high, has add the heat conduction strip on the heat-conducting part inner wall, can increase heat conduction area, promotes the heat conduction efficiency of heating pipe.

Description

Split three-side PTC heating pipe

Technical Field

The invention relates to the technical field of PTC thermistor heating, in particular to a split three-sided PTC heating pipe.

Background

The PTC is an abbreviation of Positive Temperature Coefficient (PTC) thermistor, which is commonly called as PTC thermistor for short, the PTC heating pipe is a heating device designed by utilizing the constant Temperature heating characteristic of the constant Temperature heating PTC thermistor, has the technical advantages of high heat exchange efficiency, safety, reliability, automatic constant Temperature, low power consumption, quick Temperature rise, small volume and the like, is one of the most widely applied green and environment-friendly electric heating apparatuses at present, and is widely applied to various industries and fields such as coal-to-electricity engineering, clean energy, heating equipment, liquid heating type matching equipment and products.

The heating pipe of current market adopts four sides heating or six heating mostly, and this kind of heating pipe has the faster advantage of heating, and simultaneously, the multiaspect heating also can bring certain trouble to arranging of circuit, and the heating surface is more, and assembly and circuit arrangement are more complicated, and is corresponding, and the defective rate in production and the equipment process also can rise.

Therefore, it is necessary to improve the heating tube, which can ensure the heating efficiency of the heating tube, and has the advantages of convenient wiring and high product yield.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trilateral PTC heating pipe of components of a whole that can function independently has advantages such as heat conduction efficiency height, safe in utilization, wiring convenience, production yields height.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a components of a whole that can function independently trilateral PTC heating pipe, includes PTC heating device and heat-conducting part, liquid runner has been seted up at the heat-conducting part center, the heat-conducting part is kept away from the even array of one end of liquid runner has three heating device draw-in grooves, all install PTC heating device in every heating device draw-in groove.

In a further design, the PTC heating device comprises a PTC heating core, an insulating layer is wrapped outside the PTC heating core, an aluminum shell is arranged on the periphery of the PTC heating core, and the aluminum shell is clamped in the clamping groove of the heating device.

In order to facilitate the line connection of the heating core, furthermore, two outgoing lines are arranged on the PTC heating core.

In order to further improve the heat dissipation efficiency, further, heat conduction strips are arranged on the inner wall of the liquid flow channel.

In order to improve the heat conduction efficiency, the heat conduction component is made of an aluminum alloy profile.

In the utility model, three PTC self-temperature-control thermistor ceramics are adopted as heating cores, the structure is in accordance with the current commonly used three-phase four-wire wiring mode, the wiring process is simple, and the production yield is high; the periphery of the PTC heating core adopts insulating yellow paper as an insulating layer, so that electric leakage can be prevented, and the use safety is ensured; bonding the PTC heating device and the heat-conducting component together through silicon rubber water with heat-conducting bonding effect; aluminum alloy sections with light weight and excellent heat conductivity are used as materials of the heat conducting parts, so that high heat conducting efficiency is ensured; and the inner wall of the liquid flow channel is additionally provided with a heat conduction strip so as to increase the heat conduction area and improve the heat conduction efficiency.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) the utility model adopts a split three-sided heating structure, which conforms to the wiring mode of three-phase four-wire, the wiring process is simple, and the product production yield is high;

(2) the utility model adopts the aluminum alloy part as the heat conducting medium, and adds the heat conducting strip on the inner wall of the heat conducting part, thereby increasing the heat conducting area and improving the heat conducting efficiency of the heating pipe;

(3) the utility model discloses a PTC is as heating core, safe and reliable, automatic constant temperature, and power consumption is little, and heat exchange efficiency is high.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a PTC heating device 1 according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a heat-conducting member 2 according to an embodiment of the present invention;

in the figure:

1. a PTC heating device; 2. A heat conductive member; 3. A liquid flow passage; 4. A heating device clamping groove;

5. a heat conducting strip; 101. A PTC heater core; 1011. an outgoing line; 102. An insulating layer; 103. And (4) an aluminum shell.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a split three-sided PTC heating tube includes a PTC heating device 1 and a heat conducting member 2, a liquid flow channel 3 is formed in the center of the heat conducting member 2, three heating device slots 4 are uniformly arrayed at one end of the heat conducting member 2 away from the liquid flow channel 3, and the PTC heating device 1 is installed in each heating device slot 4. In the embodiment, the PTC heater is safe and reliable, has automatic constant temperature, low power consumption and high heat exchange efficiency and is used as the heating core, so that the heat exchange efficiency can be effectively improved; the three PTC heating devices surround the liquid flow channel 3 uniformly, so that heat can be transferred to the inner wall of the liquid flow channel 3 uniformly, thereby heating the liquid in the liquid flow channel 3 uniformly. Meanwhile, the adopted three-surface heating structure conforms to the current common three-phase four-wire line connection mode, the wiring process is simple, and the reject ratio in the product assembling process can be reduced.

Referring to fig. 2, in order to fix the PTC heating device and avoid the leakage risk, in a further design, the PTC heating device 1 includes a PTC heating core 101, an insulating layer 102 is wrapped around the PTC heating core 101, the PTC heating core 101 is clamped in an aluminum shell 103, and the aluminum shell 103 is fixed in a heat-conducting member clamping groove 4 through silicone rubber water with a good heat-conducting effect.

In order to facilitate the circuit connection of the heating core, the PTC heating core 101 is further provided with two outgoing lines 1011. In this embodiment, the outgoing line 1011 has selected high temperature resistant wire for the high temperature operational environment who adapts to the heating pipe, increases the security of power consumption, prolongs the life of components and parts.

Referring to fig. 3, in order to further improve the heat conduction efficiency of the heating tube, a further design is provided, wherein heat conduction strips 5 are arranged on the inner wall of the liquid flow channel 3. The heat conducting strip 5 can increase the heat conducting area and achieve the purpose of improving the heat conducting efficiency. In the present embodiment, the heat conducting strips 5 are integrally formed with the heat conducting member 2, and the heat conducting strips 5 are uniformly arrayed on the inner wall of the liquid flow path 3.

In order to improve the heat conduction efficiency, in the present embodiment, an aluminum alloy profile is selected as the material of the heat conduction member 2.

During production, firstly, three PTC self-temperature-control ceramic thermistors are used as the PTC heating core 101, insulating yellow paper is used as the insulating layer 102 at the periphery of the PTC heating core 101 to prevent electric leakage, and the PTC heating core 101 is clamped into the aluminum shell 103 to complete the assembly of the PTC heating device 1; and then embedding and fixing the three PTC heating devices 1 in the heating device clamping grooves 4 through silicon rubber water respectively to finish the assembly of the heating pipe. The heating device structure of the embodiment is in accordance with a three-phase four-wire connection mode, the connection process is simple, and the yield of production and assembly is high; an aluminum alloy section with light weight and excellent heat conduction performance is selected as the heat conduction component 2, so that the heat conduction efficiency is high; a plurality of heat conducting strips 5 are additionally arranged in a liquid flow channel in the heat conducting part 2, so that the heat conducting area can be effectively increased, and the heat conducting efficiency is improved.

Although a few embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a trilateral PTC heating pipe of components of a whole that can function independently, its characterized in that includes PTC heating device (1) and heat-conducting component (2), liquid runner (3) have been seted up at heat-conducting component (2) center, the even array of one end that heat-conducting component (2) kept away from liquid runner (3) has three heating device draw-in groove (4), all installed PTC heating device (1) in every heating device draw-in groove (4).

2. The split three-sided PTC heating tube according to claim 1, wherein: the PTC heating device (1) comprises a PTC heating core (101), an insulating layer (102) is wrapped outside the PTC heating core (101), an aluminum shell (103) is arranged on the periphery of the PTC heating core (101), and the aluminum shell (103) is clamped in the heating device clamping groove (4).

3. The split three-sided PTC heating tube according to claim 2, wherein: two outgoing lines (1011) are arranged on the PTC heating core (101).

4. The split three-sided PTC heating tube according to claim 1, wherein: and heat conducting strips (5) are arranged on the inner wall of the liquid flow channel (3).

5. The split three-sided PTC heating tube according to claim 1, wherein: the heat conducting component (2) is made of an aluminum alloy section.