CN107484268B

CN107484268B - Liquid PTC heater

Info

Publication number: CN107484268B
Application number: CN201710802756.1A
Authority: CN
Inventors: 张桂芳
Original assignee: Yancheng Suyuan Electromechancial Technology Co ltd
Current assignee: YANCHENG SUYUAN ELECTROMECHANCIAL TECHNOLOGY Co.,Ltd.
Priority date: 2017-09-08
Filing date: 2017-09-08
Publication date: 2020-07-24
Anticipated expiration: 2037-09-08
Also published as: CN107484268A

Abstract

The invention provides a novel liquid PTC heater which is arranged in a liquid storage container in a matching manner and comprises a cylindrical shell, wherein a first fluid pushing device and PTC porous heating plates are arranged in the cylindrical shell, the PTC porous heating plates are symmetrically arranged above and below the first fluid pushing device, and second fluid pushing devices are uniformly distributed on the outer wall of the cylindrical shell; the PTC porous heating plate comprises a disc-shaped ceramic shell, a disc-shaped inner cavity is arranged in the disc-shaped ceramic shell, ceramic tubes are uniformly distributed in the disc-shaped inner cavity, the upper end and the lower end of each ceramic tube are communicated with the upper surface and the lower surface of the disc-shaped ceramic shell, and a PTC heating piece and an electrode plate are further arranged in the disc-shaped ceramic shell. The advantages are that: the PTC porous heating plate can heat liquid contacting with the upper surface, the lower surface and the holes of the PTC porous heating plate, so that the heating efficiency is improved; in addition, through two PTC porous heating plates and the first fluid pushing device in the middle of the setting, the mobility of liquid in the liquid storage container is increased, the heat transfer rate in the liquid storage container is improved, and the liquid heating time is shortened.

Description

Liquid PTC heater

Technical Field

The invention relates to the technical field of PTC heaters, in particular to a liquid PTC heater.

Background

The PTC heater adopts PTC ceramic heating elements, has the advantages of small thermal resistance and high heat exchange efficiency, and is an automatic constant-temperature and power-saving electric heater. The safety device is characterized in that the surface of an electric heating tube heater does not turn red under any application condition on the safety performance, so that potential safety hazards such as scalding and fire hazards are caused.

At present, most of PTC heaters for heating liquid are arranged at the bottom or the top of a liquid storage container, so that the heat transfer efficiency of the PTC heaters is low, and the liquid heating time is long.

Disclosure of Invention

In order to solve the above problems, the present invention discloses a liquid PTC heater.

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

the utility model provides a liquid PTC heater, the cooperation is installed in stock solution container, stock solution container is cylindric structure, its characterized in that: the device comprises a cylindrical shell, wherein a first fluid pushing device and PTC porous heating plates are arranged in the cylindrical shell, the PTC porous heating plates are symmetrically arranged above and below the first fluid pushing device, the cylindrical shell is supported in a liquid storage container through a support rod, and second fluid pushing devices are uniformly distributed on the outer wall of the cylindrical shell in the circumferential direction; the porous heating plate of PTC includes the discoid ceramic shell with tube-shape shell internal diameter looks adaptation, be equipped with discoid inner chamber in the discoid ceramic shell, the equipartition has the ceramic tube of vertical setting in the discoid inner chamber, the upper and lower surface intercommunication of the upper and lower both ends of ceramic tube and discoid ceramic shell, still be equipped with PTC heating plate and electrode slice in the discoid ceramic shell, the electrode slice symmetry sets up the upper and lower both ends at PTC heating plate, PTC heating plate and electrode slice all are discoid, and are equipped with first through-hole and the second through-hole with ceramic tube looks adaptation on PTC heating plate and the electrode slice respectively, the electrode slice at both ends links to each other with the power through the wire respectively about the PTC heating plate.

Further, the first fluid pushing device comprises a first propeller, the first propeller is arranged in the liquid storage container through a first supporting rod, and the first propeller is driven by a first motor.

Further, the first propeller is a four-blade propeller.

Furthermore, the second fluid pushing device comprises a second propeller, the second propeller is arranged between the cylindrical shell and the liquid storage container through a second supporting rod, and the second propeller is driven by a second motor.

Further, the second propeller is a three-blade propeller.

Furthermore, the first motor and the second motor are both waterproof motors.

Compared with the prior art, the invention has the beneficial effects that: the PTC porous heating plate is adopted, so that the PTC porous heating plate can heat liquid contacting with the upper surface, the lower surface and the holes of the PTC porous heating plate, and the heating efficiency is improved; in addition, through the two PTC porous heating plates and the first fluid pushing device arranged in the middle, liquid sequentially passes through the holes of the two PTC porous heating plates under the action of the first fluid pushing device, and the PTC porous heating plates are used for heating, so that the liquidity of the liquid in the liquid storage container is increased, the heat transfer rate in the liquid storage container is improved, and the liquid heating time is shortened; through coordinating second fluid thrust unit again for the inside and outside liquid of tube-shape shell flows on one by one, realizes the circulation of liquid in the stock solution container, further improves thermal transfer rate.

Drawings

Fig. 1 is a schematic view of a liquid PTC heater according to the present invention.

Fig. 2 is a top view of fig. 1.

Fig. 3 is a schematic structural view of a PTC heating sheet in a liquid PTC heater according to the present invention.

Fig. 4 is a schematic structural view of an electrode plate in a liquid PTC heater according to the present invention.

List of reference numerals:

1-liquid storage container, 2-cylindrical shell, 3-first fluid pushing device, 31-first propeller, 32-first support rod, 33-first motor, 4-PTC porous heating plate, 41-disc ceramic shell, 42-disc inner cavity, 43-ceramic tube, 44-PTC heating plate, 441-first through hole, 45-electrode plate, 451-second through hole, 5-support rod, 6-second fluid pushing device, 61-second propeller, 62-second support rod, 63-second motor and 7-lead.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in the figure, a liquid PTC heater, the cooperation is installed in liquid storage container 1, and liquid storage container 1 is cylindric structure, its characterized in that: including tube-shape shell 2, be equipped with first fluid thrust unit 3 and the porous heating plate of PTC 4 in the tube-shape shell 2, the porous heating plate of PTC 4 symmetry sets up in first fluid thrust unit 3's upper and lower place, and tube-shape shell 2 passes through branch 5 to be supported in stock solution container 1, and the equipartition has second fluid thrust unit 6 on the circumferential direction of 2 outer walls of tube-shape shell.

Wherein, the PTC porous heating plate 4 comprises a disc-shaped ceramic shell 41 matched with the inner diameter of the cylindrical shell 2, a disc-shaped inner cavity 42 is arranged in the disc-shaped ceramic shell 41, vertically arranged ceramic tubes 43 are uniformly distributed in the disc-shaped inner cavity 42, the upper and lower ends of the ceramic tubes 43 are communicated with the upper and lower surfaces of the disc-shaped ceramic shell 41, a PTC heating sheet 44 and an electrode sheet 45 are further arranged in the disc-shaped ceramic shell 41, the electrode sheet 45 is symmetrically arranged at the upper and lower ends of the PTC heating sheet 44, the PTC heating sheet 44 and the electrode sheet 45 are both disc-shaped, a first through hole 441 and a second through hole 451 matched with the ceramic tubes 43 are respectively arranged on the PTC heating sheet 44 and the electrode sheet 45, and the electrode sheets 45 at the upper and lower ends of the PTC heating sheet 44 are respectively connected with.

During operation, first fluid thrust unit 3 drives the interior liquid downward flow of tube-shape shell 2, the liquid of tube-shape shell 2 top passes PTC porous heating plate 4 in proper order, first fluid thrust unit 3 and PTC porous heating plate 4 flow into tube-shape shell 2 below, afterwards under the effect of second fluid thrust unit 6, make the liquid between tube-shape shell 2 and liquid storage container 1 upwards flow, thereby make the liquid in the liquid storage container 1 form the circulation that flows, the continuous quilt PTC porous heating plate 4 heats, the heating efficiency is greatly improved, shorten the heat time.

In this embodiment, the first fluid pushing device 3 includes a first propeller 31, the first propeller 31 is disposed in the liquid storage container 1 through a first support rod 32, and the first propeller 31 is driven by a first motor 33. The first propeller 31 is a four-blade propeller.

In the present embodiment, the second fluid driving device 6 includes a second propeller 61, the second propeller 61 is disposed between the cylindrical housing 2 and the liquid storage container 1 through a second support rod 62, and the second propeller 61 is driven by a second motor 63. Wherein the second propeller 61 is a three-bladed propeller.

In this embodiment, the first motor 33 and the second motor 63 are both waterproof motors, so as to ensure the working efficiency of the first fluid pushing device 3 and the second fluid pushing device 6.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. The utility model provides a liquid PTC heater, the cooperation is installed in stock solution container (1), stock solution container (1) is cylindric structure, its characterized in that: the device comprises a cylindrical shell (2), wherein a first fluid pushing device (3) and a PTC porous heating plate (4) are arranged in the cylindrical shell (2), the PTC porous heating plate (4) is symmetrically arranged above and below the first fluid pushing device (3), the cylindrical shell (2) is supported in a liquid storage container (1) through a support rod (5), and second fluid pushing devices (6) are uniformly distributed on the outer wall of the cylindrical shell (2) in the circumferential direction;

the PTC porous heating plate (4) comprises a disc-shaped ceramic shell (41) matched with the inner diameter of the cylindrical shell (2), a disc-shaped inner cavity (42) is arranged in the disc-shaped ceramic shell (41), vertically arranged ceramic tubes (43) are uniformly distributed in the disc-shaped inner cavity (42), the upper end and the lower end of the ceramic tube (43) are communicated with the upper surface and the lower surface of the disc-shaped ceramic shell (41), a PTC heating sheet (44) and an electrode sheet (45) are also arranged in the disc-shaped ceramic shell (41), the electrode plates (45) are symmetrically arranged at the upper end and the lower end of the PTC heating plate (44), the PTC heating sheet (44) and the electrode sheet (45) are both disc-shaped, and the PTC heating sheet (44) and the electrode sheet (45) are respectively provided with a first through hole (441) and a second through hole (451) which are matched with the ceramic tube (43), electrode plates (45) at the upper end and the lower end of the PTC heating sheet (44) are respectively connected with a power supply through leads (7).

2. A liquid PTC heater according to claim 1, wherein: the first fluid pushing device (3) comprises a first propeller (31), the first propeller (31) is arranged in the liquid storage container (1) through a first supporting rod (32), and the first propeller (31) is driven by a first motor (33).

3. A liquid PTC heater according to claim 2, wherein: the first propeller (31) is a four-blade propeller.

4. A liquid PTC heater according to claim 1, wherein: the second fluid pushing device (6) comprises a second propeller (61), the second propeller (61) is arranged between the cylindrical shell (2) and the liquid storage container (1) through a second supporting rod (62), and the second propeller (61) is driven by a second motor (63).

5. A liquid PTC heater according to claim 4, wherein: the second propeller (61) is a three-blade propeller.

6. A liquid PTC heater according to claim 2, wherein: the first motor (33) is a waterproof motor.

7. A liquid PTC heater according to claim 4, wherein: the second motor (63) is a waterproof motor.