CN210089117U - Immersion PTC water heater with high safety and efficiency - Google Patents
Immersion PTC water heater with high safety and efficiency Download PDFInfo
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- CN210089117U CN210089117U CN201920556479.5U CN201920556479U CN210089117U CN 210089117 U CN210089117 U CN 210089117U CN 201920556479 U CN201920556479 U CN 201920556479U CN 210089117 U CN210089117 U CN 210089117U
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Abstract
The utility model discloses an immersion PTC water heater with high safety and high efficiency, which comprises a metal shell pipe, an aluminum profile arranged in the metal shell pipe, PTC ceramic heating elements arranged in the aluminum profile and sealing structures arranged at two end parts of the metal shell pipe; the metal casing pipe is arranged to be a hollow pipe, the rear end of the metal casing pipe is sequentially provided with a rear sealing plug, a rear insulating pad and a rear end plug, the front end of the metal casing pipe is sequentially provided with a front sealing plug and a front plugging pad, and the front plugging pad is also connected with a flange; the aluminum profile is provided with a plurality of blocks and is tightly attached to the inner wall of the metal shell pipe through the expansion pipe; the PTC ceramic heating element comprises PTC ceramic pieces, wherein two side surfaces of the PTC ceramic pieces are pasted with electrode pieces through glue, and each electrode piece is also connected with a lead; the outside of the PTC ceramic heating element is also coated with an insulating film and an aluminum foil in sequence. The utility model discloses a stainless steel material has avoided the corruption of acid-base material, can also immerse heating position in liquid completely, has effectively increased heating area.
Description
Technical Field
The utility model relates to a water heater, more specifically say, relate to one kind and possess high efficiency immersion PTC water heater of security.
Background
At present, two types of household and industrial water heaters are available, namely a common resistance wire electric heater and a PTC ceramic electric heater with a conventional design, and compared with the common resistance wire electric heater, the PTC ceramic electric heater is an automatic constant-temperature and electricity-saving electric heater and has the prominent characteristics 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, fire and the like are caused. The two types of electric heaters occupy most of market share because of low technical content, suitability for mass production and low price.
However, both of these types of water heaters have certain drawbacks that create significant risks to the personal safety of the consumer, as follows:
1) the common resistance wire electric heater can not regulate and control the temperature of the heater, so that the temperature of the heater is rapidly increased under the condition of water cut off, the heater is easily burnt through, and an electric leakage accident is generated;
2) although the defect that the ordinary resistance wire electric heater cannot regulate and control the temperature is overcome by the conventional design of the PTC ceramic electric heater, the shell of the PTC ceramic electric heater is mostly made of aluminum products and the like, residents mainly use tap water in domestic water, the tap water contains CL < - > and other corrosive substances, and particularly, the PTC ceramic electric heater is inevitably corroded by acidic or alkaline substances under the high-temperature condition, particularly, various additives are added into the PTC ceramic electric heater in bath water, and under the high temperature, the corrosion action is aggravated, under the acid-base environment, the corrosion phenomenon of the shell of the PTC ceramic electric heater easily occurs, and the electric leakage accident cannot be avoided. In addition, the conventional design of PTC ceramic electric heater greatly affects the thermal efficiency of the heater due to the small effective heat dissipation area, and also hinders the development of the heater.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect that exists among the prior art, the utility model aims at providing a possess high efficiency immersion PTC water heater of security adopts stainless steel, has avoided the corruption of acid-base nature material, can also dip heating position in liquid completely, has effectively increased the heating area.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an immersion PTC water heater with high safety and efficiency comprises a metal shell pipe, an aluminum profile arranged in the metal shell pipe, PTC ceramic heating elements arranged in the aluminum profile, and sealing structures arranged at two end parts of the metal shell pipe;
the metal casing pipe is arranged to be a hollow pipe, the rear end of the metal casing pipe is sequentially provided with a rear sealing plug, a rear insulating pad and a rear end plug, the front end of the metal casing pipe is sequentially provided with a front sealing plug and a front plugging pad, and the front plugging pad is also connected with a flange;
the aluminum profile is provided with a plurality of blocks and is tightly attached to the inner wall of the metal shell pipe in an expanding pipe mode, so that a cavity for placing the PTC ceramic heating element is formed in the center of the aluminum profile;
the PTC ceramic heating element comprises two PTC ceramic pieces, wherein both sides of each PTC ceramic piece are pasted with electrode pieces through glue, and each electrode piece is also connected with a lead;
the PTC ceramic heating element outside still coats in proper order and is stamped insulating film, aluminium foil.
The metal casing pipe is made of corrosion-resistant materials, and preferably made of stainless steel materials.
The metal shell pipe is arranged in a circular or polygonal shape, preferably in a circular shape.
The number of the aluminum profiles is not less than two, and the aluminum profiles are arranged in a plane shape or an arc shape or a double-arc shape.
One end of the lead connected with the electrode plate is coated with an insulating adhesive tape, the other end of the lead is connected with a U-shaped terminal, and a heat-shrinkable tube is sleeved at the joint of the U-shaped terminal and the lead.
The number of the expanding tubes is not limited to be circular.
In the technical scheme, the utility model provides a possess high efficiency immersion PTC water heater of security still has following several beneficial effects:
1) the PTC water heater of the utility model has high safety, the PTC ceramic heating is adopted for internal heating, and under the condition of water cut-off, the temperature can be automatically controlled, so that the heating equipment can not be burnt out due to unlimited temperature rise;
2) the external metal shell pipe of the PTC water heater adopts the corrosion-resistant material, so that the corrosion of acid and alkaline substances in household and industrial water to the metal shell pipe can be avoided, and the safety of the heater is ensured to the maximum extent;
3) the PTC water heater of the utility model avoids the design that the conventional PTC ceramic heater adopts water to heat from the inside of the aluminum pipe, the heating part can be completely immersed in liquid, the heating area is effectively increased, the heating efficiency is improved, the heat waste is avoided, and the PTC water heater is more environment-friendly and energy-saving;
4) the utility model discloses connecting piece among the PTC water heater adopts the flange of the same specification, can the mode use, to an equipment, through the quick replacement heater, can realize heating power's quick change.
Drawings
Fig. 1 is an exploded view of the PTC water heater of the present invention;
fig. 2 is a schematic view of a PTC ceramic heating element in the PTC water heater of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
Please refer to fig. 1 to 2, the immersion PTC water heater with high safety and efficiency provided by the present invention comprises a metal casing pipe 1, an aluminum profile 2 embedded in the metal casing pipe 1, a PTC ceramic heating element 3 embedded in the aluminum profile 2, and sealing structures and connecting members installed at two ends of the metal casing pipe 1.
Preferably, the metal casing pipe 1 sets up to the hollow tube, adopts corrosion-resistant material to make, preferably adopts stainless steel material, is equipped with back sealing plug 4, back insulating pad 5 and rear end cap 6 on its rear end in proper order, is equipped with preceding sealing plug 7 and preceding sealing pad 8 on the metal casing pipe 1 front end in proper order, still even has flange 9 on the preceding sealing pad 8, carries out shutoff, sealing process to the front end tail both ends of metal casing pipe 1, has realized its good waterproof performance. The metal housing tube 1 is provided in a circular or polygonal shape, preferably in a circular shape, the shape of which may be determined according to the particular use.
Preferably, the number of the aluminum profiles 2 is not less than two, the aluminum profiles are arranged in a plane shape or a single arc shape and a double arc shape, and the specific number and the specific shape are matched according to the appearance design of the metal shell pipe 1. Through placing expand tube 10 between aluminium alloy 2, utilize the electric tube expander, expand tube 10, compress the inner space, realize the in close contact with of aluminium alloy 2 and 1 inner wall of metal casing pipe to realize the high heat conductivity. The shape of the expanding tube 10 is not limited to a circle.
Preferably, the PTC ceramic heating element 3 is embedded with two pieces, each piece of PTC ceramic piece 31 comprises a PTC ceramic piece 31, two side surfaces of the PTC ceramic piece 31 are respectively adhered with an electrode plate 33 through coating glue 32, each electrode plate 33 is correspondingly connected with a lead 11, one end of the lead 11 connected with the electrode plate 33 is coated with an insulating adhesive tape 12, the other end of the lead 11 is connected with a U-shaped terminal 13, and a joint of the U-shaped terminal 13 and the lead 11 is sleeved with a heat-shrinkable tube 14.
Preferably, the outside of the PTC ceramic heating element 3 is further sequentially coated with an insulating film 15 and an aluminum foil 16 for insulation and full-closed treatment, so as to realize temperature self-control.
To sum up, the utility model discloses PTC water heater unit assembly adopts totally enclosed and insulating technology to realize good waterproof performance, stop the electric leakage accident. The metal casing tube 1 is in full contact with the heated liquid to achieve high heating efficiency. The connecting piece adopts the flanges 9 with the same specification so as to realize the modular replacement of the products and improve the utilization rate of the equipment.
It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a possess high efficiency immersion PTC water heater of security which characterized in that: the PTC ceramic heating device comprises a metal shell pipe, an aluminum profile arranged in the metal shell pipe, PTC ceramic heating elements arranged in the aluminum profile, and sealing structures arranged at two end parts of the metal shell pipe;
the metal casing pipe is arranged to be a hollow pipe, the rear end of the metal casing pipe is sequentially provided with a rear sealing plug, a rear insulating pad and a rear end plug, the front end of the metal casing pipe is sequentially provided with a front sealing plug and a front plugging pad, and the front plugging pad is also connected with a flange;
the aluminum profile is provided with a plurality of blocks and is tightly attached to the inner wall of the metal shell pipe in an expanding pipe mode, so that a cavity for placing the PTC ceramic heating element is formed in the center of the aluminum profile;
the PTC ceramic heating element comprises two PTC ceramic pieces, wherein both sides of each PTC ceramic piece are pasted with electrode pieces through glue, and each electrode piece is also connected with a lead;
the PTC ceramic heating element outside still coats in proper order and is stamped insulating film, aluminium foil.
2. An immersion PTC water heater with high safety and efficiency as claimed in claim 1, wherein: the metal casing pipe is made of corrosion-resistant materials, and the corrosion-resistant materials are stainless steel materials.
3. An immersion PTC water heater with high safety and efficiency as claimed in claim 2, wherein: the metal casing pipe is arranged in a circular or polygonal shape.
4. An immersion PTC water heater with high safety and efficiency as claimed in claim 3, wherein: the number of the aluminum profiles is not less than two, and the aluminum profiles are arranged in a plane shape or an arc shape or a double-arc shape.
5. An immersion PTC water heater with high safety and efficiency as claimed in claim 1, wherein: one end of the lead connected with the electrode plate is coated with an insulating adhesive tape, the other end of the lead is connected with a U-shaped terminal, and a heat-shrinkable tube is sleeved at the joint of the U-shaped terminal and the lead.
6. An immersion PTC water heater with high safety and efficiency as claimed in claim 1, wherein: the number of the expanding tubes is multiple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920556479.5U CN210089117U (en) | 2019-04-22 | 2019-04-22 | Immersion PTC water heater with high safety and efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920556479.5U CN210089117U (en) | 2019-04-22 | 2019-04-22 | Immersion PTC water heater with high safety and efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210089117U true CN210089117U (en) | 2020-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920556479.5U Active CN210089117U (en) | 2019-04-22 | 2019-04-22 | Immersion PTC water heater with high safety and efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210089117U (en) |
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2019
- 2019-04-22 CN CN201920556479.5U patent/CN210089117U/en active Active
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