阅读说明：本技术 玻璃加热容器及其制作方法 (Glass heating container and manufacturing method thereof ) 是由 程克勇 李寿林 于 2020-07-17 设计创作，主要内容包括：本发明涉及一种玻璃加热容器及其制作方法,其特征在于：其中玻璃加热容器包括玻璃杯身和与玻璃杯身形成一体的玻璃杯底,所述玻璃杯底底面的平面度公差为0.02-0.30mm；本发明玻璃加热容器设计合理、制作成本低、易于销售,且不会产生电磁辐射,同时可以完全浸入水中清洗,以及加热效率高。(The invention relates to a glass heating container and a manufacturing method thereof, which is characterized in that: the glass heating container comprises a glass cup body and a glass cup bottom integrated with the glass cup body, and the flatness tolerance of the bottom surface of the glass cup bottom is 0.02-0.30 mm; the glass heating container has the advantages of reasonable design, low manufacturing cost, easy sale, no electromagnetic radiation, complete immersion in water for cleaning and high heating efficiency.)

1. A glass heating vessel characterized by: the glass cup comprises a glass cup body and a glass cup bottom integrated with the glass cup body, wherein the flatness tolerance of the bottom surface of the glass cup bottom is 0.02-0.30 mm.

2. The glass heating vessel according to claim 1, wherein: the flatness tolerance of the bottom surface of the glass cup bottom is 0.03mm-0.05mm, and the thickness of the glass cup bottom is 1.0-2.2 mm.

3. A glass heating vessel according to claim 1 or 2, wherein: the requirements of the flatness tolerance of the bottom surface of the glass cup and the thickness of the bottom of the glass cup are met by grinding with a water mill.

4. A glass heating vessel according to claim 1 or 2, wherein: the bottom surface of the glass cup bottom is coated with a coating with heat-conducting metal powder; or the bottom surface of the glass bottom is subjected to sand blasting treatment.

5. A glass heating vessel according to claim 1 or 2, wherein: and a heat-conducting metal film layer is bonded or sintered on the bottom surface of the glass cup bottom.

6. A glass heating vessel according to claim 1 or 2, wherein: the bottom surface of the glass cup bottom is provided with a groove, a heat-conducting metal plate is bonded in the groove, and the thickness of the heat-conducting metal plate is larger than the depth of the groove.

7. A glass heating vessel according to claim 1 or 2, wherein: the heat-conducting metal plate is bonded on the bottom surface of the glass cup bottom, the flatness tolerance of the bottom surface of the heat-conducting metal plate is 0.02-0.30mm, the fineness is more than 5, and the flatness tolerance of the bottom surface of the glass cup bottom is more than 0.01 mm.

8. A glass heating vessel according to claim 1 or 2, wherein: the lower part of the glass heating container is sunk in a base with a sunken groove for heating, the bottom of the sunken groove is provided with an electric heating body attached to the bottom surface of the glass heating container, the flatness tolerance of the surface, attached to the bottom surface of the glass heating container, of the electric heating body is 0.02-0.30mm, and the smoothness of the surface, attached to the bottom surface of the glass heating container, of the electric heating body is more than 5 th grade.

9. The glass heating vessel according to claim 8, wherein: the electric heating body comprises an aluminum substrate and an electric heating pipe which is arranged on the lower surface of the aluminum substrate in a spiral shape, the upper surface of the aluminum substrate is attached to the bottom surface of the glass heating container, or the electric heating body comprises a die-cast aluminum plate and a Teflon coating layer which is sprayed on the surface of the formed electric heating pipe, and the upper surface of the die-cast aluminum plate is attached to the bottom surface of the glass heating container.

10. A manufacturing method of a glass heating container is characterized in that: the glass heating container comprises a glass cup body and a glass cup bottom integrated with the glass cup body, wherein the flatness tolerance of the bottom surface of the glass cup bottom is 0.02-0.30mm, during manufacturing, the glass heating container is manufactured into a blank according to the shape requirement, the bottom surface of the glass heating container blank is a flat bottom, the bottom surface of the glass heating container blank is subjected to water grinding and flattening, so that the flatness tolerance of the bottom surface is 0.02-0.30mm, and the thickness of the glass cup bottom is controlled to be 1.0-2.0 mm; the heat conducting metal powder can be directly used after being ground by a water mill, or a coating with the heat conducting metal powder can be brushed or silk-screened on the bottom surface of the glass heating container after the bottom surface is ground flat and cleaned by the water mill; or a heat-conducting metal film layer is bonded or sintered on the bottom surface; or the bottom surface is bonded with a heat-conducting metal plate by using heat-conducting silica gel; or spraying sand with the granularity of less than 0.2mm on the bottom surface for treatment, or arranging a groove on the bottom surface of the manufactured glass cup, bonding a prefabricated heat-conducting metal plate in the groove by using heat-conducting silica gel, wherein the thickness of the heat-conducting metal plate is greater than the groove depth of the groove, the diameter of the heat-conducting metal plate is equivalent to that of the groove, and the flatness tolerance of the bottom surface of the heat-conducting metal plate is 0.02-0.30 mm.

The technical field is as follows:

the invention relates to a glass heating container made of glass on the whole body and a manufacturing method thereof.

Background art:

the existing kettles on the market at present have a variety of forms, such as stainless steel kettles, glass kettles, IH heating milk mixing kettles, full glass kettles and the like, but the kettles all have more or less defects:

heating components of stainless steel kettles and glass kettles are arranged at the bottom of a kettle body, the bottom of the kettle body is generally made of stainless steel materials which are contacted with water, the surface of the kettle body needs to be polished, and the polishing process is difficult to avoid dust brought in after polishing, so that rusts with different degrees can be caused to appear in the heating process to pollute the water; since the water is usually weakly alkaline, Ca (HCO) is contained therein₃)₂Dirt such as incrustation scale and the like generated after the kettle body is heated is easy to deposit on the heating plate, the kettle body cannot be completely put into water for thorough cleaning, and the drinking water quality cannot be guaranteed due to the dirt carried by the kettle body all the year round.

The IH heating milk mixing device is characterized in that a magnetic conductive material is fixed on the bottom of a glass cup body, so that liquid in the glass cup is electromagnetically heated through a base with an electromagnetic heating function, and the IH heating milk mixing device has the following defects: electromagnetic radiation can be generated during electromagnetic heating, the nursing bottle can bring physical injury to pregnant women and infants, the nursing bottle is not suitable for the requirements of nursing bottles in the field of mother and infant products on human health, the manufacturing cost is high by adopting the electromagnetic heating technology, and the wide use and the sale of products are restricted.

As another example, the whole glass kettle is made of whole glass, so that the whole glass kettle is beautiful and is purchased by customers due to the love to the appearance of the kettle, but tests show that the whole glass kettle needs more than one hour for heating 1200ml of water from 25 ℃ to 100 ℃, and the heating efficiency is extremely low.

The electric ceramic furnace is used for heating by utilizing an electric ceramic furnace like the existing full-glass kettle, the surface heating temperature of the electric ceramic furnace is up to more than 500 ℃, the surface emits strong red light radiation, the milk regulator is particularly not suitable for the requirements of the milk regulator in the field of mother and infant products on the health of human bodies under the requirement of dim light at night, the heat efficiency is low, and the temperature can not be accurately controlled.

The invention content is as follows:

in view of the above-mentioned shortcomings of the prior art, the present invention provides a glass heating container which is reasonable in design, low in manufacturing cost, easy to sell, does not generate electromagnetic radiation, can be completely immersed in water for cleaning, and has high heating efficiency.

The invention discloses a glass heating container, which is characterized in that: the glass cup comprises a glass cup body and a glass cup bottom integrated with the glass cup body, wherein the flatness tolerance of the bottom surface of the glass cup bottom is 0.02-0.30 mm.

Furthermore, the flatness tolerance of the bottom surface of the glass cup is 0.03mm-0.05mm, and the thickness of the bottom of the glass cup is 1.0-2.2 mm.

Furthermore, the requirement of the flatness tolerance of the bottom surface of the glass cup is met by grinding with water.

Furthermore, the bottom surface of the glass cup bottom is ground flat by a water mill and then is subjected to sand blasting treatment.

Furthermore, the bottom surface of the glass cup is coated with a coating with heat-conducting metal powder.

Furthermore, a heat-conducting metal film layer is bonded or sintered on the bottom surface of the glass cup bottom.

Furthermore, a groove is formed in the bottom surface of the glass cup bottom, a heat conduction metal plate is bonded in the groove, and the thickness of the heat conduction metal plate is larger than the depth of the groove.

Furthermore, a heat-conducting metal plate is bonded on the bottom surface of the glass cup bottom, the flatness tolerance of the bottom surface of the heat-conducting metal plate is 0.02-0.30mm, and the flatness tolerance of the bottom surface of the glass cup bottom is more than 0.01 mm.

Furthermore, the lower part of the glass heating container is sunk into a base with a sunk groove for heating, the bottom of the sunk groove is provided with an electric heating body attached to the bottom surface of the glass heating container, the flatness tolerance of the surface, attached to the bottom surface of the glass heating container, of the electric heating body is 0.02-0.30mm, and the smoothness of the surface, attached to the bottom surface of the glass heating container, of the electric heating body is more than 5 grades.

Furthermore, the electric heating body comprises an aluminum substrate and an electric heating pipe which is arranged on the lower surface of the aluminum substrate in a spiral shape, and the upper surface of the aluminum substrate is attached to the bottom surface of the glass heating container.

Furthermore, the electric heating body comprises a die-casting aluminum plate and an electric heating pipe, wherein the surface of the die-casting aluminum plate is coated with teflon, and the upper surface of the die-casting aluminum plate is attached to the bottom surface of the glass heating container.

Furthermore, an NTC temperature-sensing controller and a travel switch are arranged on the side wall of the concave groove, the NTC temperature-sensing controller and the travel switch are electrically connected with a controller positioned in the base, and the controller is electrically connected with an electric heating tube of the electric heating body; the groove depth of the concave groove is 10-120 mm; the power of the electric heating tube of the electric heating body is between 150 and 1500W.

The invention relates to a manufacturing method of a glass heating container, which is characterized in that: the glass heating container comprises a glass cup body and a glass cup bottom integrated with the glass cup body, wherein the flatness tolerance of the bottom surface of the glass cup bottom is 0.02-0.30mm, during manufacturing, the glass heating container is manufactured into a blank according to the shape requirement, the bottom surface of the glass heating container blank is a flat bottom, the bottom surface of the glass heating container blank is subjected to water grinding and flattening, so that the flatness tolerance of the bottom surface is 0.02-0.30mm, and the thickness of the glass cup bottom is controlled to be 1.0-2.0 mm.

After the bottom surface of the glass heating container is ground flat and cleaned by a water mill, a coating with heat-conducting metal powder is sprayed by sand, brushed or silk-screen printed on the bottom surface; or a heat-conducting metal film layer is bonded or sintered on the bottom surface; or the bottom surface is bonded with a heat-conducting metal plate by using heat-conducting silica gel.

The bottom surface of the bottom of the manufactured glass cup is provided with a groove, a prefabricated heat-conducting metal plate is bonded in the groove by using heat-conducting silica gel, the thickness of the heat-conducting metal plate is larger than the depth of the groove, the diameter of the heat-conducting metal plate is equivalent to that of the groove, and the flatness tolerance of the bottom surface of the heat-conducting metal plate is 0.02-0.30 mm.

The glass heating container disclosed by the invention has the advantages that the bottom surface of the glass cup bottom is ground to be flat, so that the flatness tolerance of the bottom surface reaches 0.05mm, and the bottom surface can be attached to the surface with similar flatness tolerance requirements of a base electric heating body to the maximum extent, so that the heating efficiency is obviously improved, and the glass heating container passes through tests under the conditions of the same heating power and the like as the existing all-glass kettle, and only 15 minutes of time is needed for heating 1200ml of water from 25 ℃ to 100 ℃, so that the heating efficiency is obviously improved; the glass heating container is made of glass on the whole body, does not have any electronic element, and can be immersed into water to be cleaned on the whole body, so that dirt on the glass heating container can be completely removed, and the drinking water quality of people is ensured; meanwhile, the glass heating container does not generate electromagnetic radiation by using an electromagnetic heating technology or infrared radiation generated by an electric ceramic furnace, so that the health of a human body is not influenced, and the glass heating container is simple to manufacture, low in cost and easy to sell, popularize and use; in addition this application is through base electric heat-generating body and the heat-conduction that the bottom of cup is the face contact, and heat conduction area is big and even, has solved current heating kettle or transfer the milk ware and at the in-process of boiling water, because of heating inhomogeneous production air blasting arouses the problem of too big noise.

Description of the drawings:

FIG. 1 is a schematic cross-sectional configuration of a glass heating vessel of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is an enlarged view of portion A of the first embodiment of FIG. 1;

FIG. 4 is an enlarged view of section A of the second embodiment of FIG. 1;

FIG. 5 is an enlarged view of section A of the third embodiment of FIG. 1;

FIG. 6 is an enlarged view of section A of the fourth embodiment of FIG. 1;

FIG. 7 is an enlarged view of section A of the fifth embodiment of FIG. 1;

FIG. 8 is an enlarged view of section A of the alternate embodiment of FIG. 1;

FIG. 9 is a schematic cross-sectional configuration of the base;

FIG. 10 is a schematic view of a glass heating vessel in the base;

fig. 11 is a control schematic block diagram.

The specific implementation mode is as follows:

the process of the present invention is further illustrated in detail by reference to the following examples. It should be noted that the protection scope of the present invention should include, but not be limited to, the technical contents disclosed in the present embodiment.