CN211347142U

CN211347142U - Temperature measuring device and water cup or feeding bottle with same

Info

Publication number: CN211347142U
Application number: CN201921416667.4U
Authority: CN
Inventors: 李江
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-08-25
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a temperature measuring device and a water cup or a feeding bottle provided with the same. Wherein the upper shell and the lower shell of the temperature measuring device are oppositely connected with the upper opening and the lower opening of the light guide ring respectively to form a shell with a cavity; the light guide ring is exposed in a circumferential gap between the upper shell and the lower shell, and the LED lamp beads are arranged inside the light guide ring and emit light through the light guide ring; a vertical column is vertically arranged in the cavity of the shell; a through hole which is communicated with the shell is arranged in the middle of the upright post; the small battery is arranged on the outer side of the upright post; the main board is arranged above the bimetallic strip; the bimetallic strip is formed by arranging 2 metal sheets with the same shape at two sides of an upright column at the bottom of the inner cavity of the lower half shell at intervals, and the middle part of each metal sheet is exposed in a through hole in the middle of the upright column; each metal sheet is connected with the main board through a thimble; the thermistor is connected with the mainboard. The utility model discloses the temperature of liquid such as water or milk is shown to the LED light with different colours, is suitable for old man and child to use very much.

Description

Temperature measuring device and water cup or feeding bottle with same

Technical Field

The utility model relates to a temperature measuring device and a water cup or a feeding bottle provided with the same.

Background

Child of which family all is precious at present, every family is all cared for child in a hundred ways, all gives child the best thing, nevertheless on child feeds, and family often has caused certain injury for child because of the misoperation: at present, most infants drink milk for a long time, but when the milk is soaked, the temperature is controlled to be critical, and the milk powder is not soaked and is easy to agglomerate due to low temperature; when the temperature is high, the nutrient components in the milk are easy to damage, even the young esophagus of the infant is scalded, and how to control the temperature of the water, the following three ways are generally used:

1. the temperature measurement is carried out by the temperature detector, although the temperature measurement is accurate, the operation is complicated, and the number of people used in common families is small;

2. the measurement is accurate, and more people are used in common families, but the measurement is very insanitary, bacteria are easily spread, and the infant is harmed invisibly;

3. skin contact measurement, the temperature measurement error is large, and the infant is easily scalded.

Similarly, the same problem exists when infants drink water, and how to accurately measure and control the temperature of milk/water for infants is a technical problem to be solved urgently.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a temperature measuring device.

The utility model provides a cup or a feeding bottle with the temperature measuring device.

For the temperature measuring device, the technical scheme adopted by the utility model is that the temperature measuring device comprises a shell, a main board, LED lamp beads, a small battery, a bimetallic strip and a thermistor;

the shell comprises an upper shell, a light guide ring and a lower shell; the upper shell and the lower shell are 2 symmetrical one-way open cavity bodies; the light guide ring is an annular piece made of transparent material; the openings of the upper shell and the lower shell are opposite and are respectively connected with the upper opening and the lower opening of the light guide ring to form a shell with a cavity;

the center of the cavity of the shell is provided with an upright post, and the middle of the upright post is provided with a through hole which penetrates through the shell;

the light guide ring is exposed in a circumferential gap between the upper shell and the lower shell, and the LED lamp beads are arranged inside the light guide ring and emit light through the light guide ring;

the small battery is arranged in the inner cavity of the shell at the outer side of the upright post;

the main board is arranged above the bimetallic strip;

the bimetallic strip comprises 2 metal strips with the same shape; 2 metal sheets are arranged at two sides of the upright column at the bottom of the inner cavity of the lower half shell at intervals, and part of each metal sheet is exposed on the inner wall of the upright column; each metal sheet is connected with the main board through a thimble;

the thermistor is adhered to the surface of any one of the bimetallic strips and is connected with the main board.

Preferably, the upper shell and the lower shell are hemispherical shells which are symmetrical to each other, and the upper shell and the lower shell are respectively connected with the upper opening and the lower opening of the light guide ring to form a hollow spherical shell.

Preferably, the upper casing and the lower casing are oblate casings which are symmetrical to each other, and the upper casing and the lower casing are respectively connected with the upper opening and the lower opening of the light guide ring to form a hollow oblate casing.

Preferably, the pillar extends outward from the upper case as a cylinder, and the through hole in the middle of the pillar extends up to the outer end of the cylinder.

Preferably, the main board comprises a main control circuit, a temperature sampling circuit, a bimetallic strip detection circuit, an LED indicator lamp circuit and an LDO voltage stabilizing circuit; the main control circuit is respectively connected with the temperature sampling circuit, the bimetallic strip switching circuit, the LED indicator lamp circuit and the LDO voltage stabilizing circuit, and is also connected with the small battery;

the bimetallic strip is connected with the bimetallic strip detection circuit;

the thermistor is connected with the temperature sampling circuit of the mainboard.

Preferably, the upper shell and the lower shell are both made of the same plastic; the light guide ring is made of transparent plastic.

For the water cup, the technical scheme adopted by the utility model is that the water cup comprises the temperature measuring device, and comprises a cup body, a cup cover and a hollow tube; the temperature measuring device is arranged in the cup body and is connected with the cup cover through the hollow pipe.

Preferably, the hollow pipe is a silica gel hose; the lower end of the silica gel hose is connected with the upright post of the upper shell of the temperature measuring device, and the upper end of the silica gel hose is connected with the inner cavity of the cup cover.

As for the feeding bottle, the technical proposal adopted by the utility model is that the feeding bottle comprises the temperature measuring device, and the feeding bottle comprises a bottle body, a nipple and a hollow tube; the temperature measuring device is arranged in the bottle body and is connected with the nipple through the hollow pipe.

Preferably, the hollow pipe is a silica gel hose; the lower end of the silica gel hose is connected with the upright post of the upper shell of the temperature measuring device, and the upper end of the silica gel hose is connected with the inner cavity of the nipple.

The utility model has the advantages that:

the temperature measuring device can be used for measuring the temperature of liquid such as water or milk and the like and indicating the temperature of the liquid such as the water or the milk and the like by LED lights with different colors. All parts are arranged in the inner cavity of the shell, the appearance is only a complete sphere or oblate body capable of emitting light, the structural design is small and compact, the damage is not easy to damage, the use is convenient, the product is particularly suitable for the old and children, and meanwhile, the product has wide application.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a front view of embodiment 1 of the present invention.

Fig. 2 is a sectional view taken along the line a in fig. 1.

Fig. 3 is a cross-sectional view taken along line C of fig. 2.

Fig. 4 is a sectional view taken along line B of fig. 1.

Fig. 5 is a circuit block diagram of embodiment 1 of the present invention.

Fig. 6 is a front view of embodiment 2 of the present invention.

Fig. 7 is a cross-sectional view taken along line D of fig. 6.

Fig. 8 is a schematic structural view of a cup in embodiment 3 of the present invention.

Fig. 9 is a schematic structural view of the feeding bottle in embodiment 4 of the present invention.

The labels in the figure are: 1-upper shell, 2-lower shell, 3-upright post, 4-through hole, 5-light guide ring, 6-small battery, 7-main board, 8-bimetallic strip, 9-thimble, 10-cup body, 11-cup cover, 12-milk bottle, 13-nipple, 14-silica gel hose and 15-thermistor.

Detailed Description

Example 1

A temperature measuring device (also called as a temperature measuring ball) comprises a main board, two small batteries, 6 LED lamps, two thimbles, a thermistor, and three plastic parts (namely a light guide ring and two hemispherical plastic shells) which are externally added to form a shell.

In fig. 1, the housing is a hollow sphere composed of an upper housing 1, a light guide ring 5, and a lower housing 2. The upper shell and the lower shell are two hemispherical or bowl-shaped plastic shells which are symmetrical to each other, and the light guide ring is an annular component made of transparent plastics. The opening diameter of the light guide ring is matched with the opening diameters of the upper shell and the lower shell, the upper shell and the upper opening of the light guide ring are welded by ultrasonic waves during assembly, and the lower shell and the lower opening of the light guide ring are welded by ultrasonic waves, so that a hollow spherical shell is formed by assembly. Wherein annular and transparent light guide ring exposes from the circumference gap between upper housing and the lower casing for LED lamp pearl that sets up in the light guide ring is luminous can be seen from the a week on shell surface.

The welded housing is sealed and waterproof.

An upright column 3 is arranged in the inner cavity of the shell and is erected in the center of the cavity of the shell. The upright column 3 is composed of a section of cylinder extending from the center of the upper shell and the center of the lower shell to the inner cavity respectively and a section of bridge structure extending from the side walls of the two sides to the middle of the light guide ring.

The middle of the upright post 3 is provided with a through hole 4, and two ends of the through hole are respectively communicated with the outside through the openings at the upper end of the upper shell and the lower end of the lower shell.

The upright column 3 also extends outwards and upwards from the upper shell to form a section of cylinder, and the through hole in the middle of the upright column also synchronously extends to the outer end of the cylinder. The outwardly extending cylinder may be cut to length to provide a joint for the temperature sensing bulb. A hollow pipe can be connected with the joint, and a through hole in the middle of the joint is communicated with the hollow pipe.

In fig. 2, 6 LED lampwicks are arranged inside the light guide ring, and the 6 LED lampwicks are uniformly arranged inside the light guide ring along the circumference of the light guide ring, so that the light emitted by the LED lamp beads can be seen from the light guide ring along the middle circle of the periphery of the shell.

In fig. 3, two small batteries 6 are provided on both sides of the column, respectively. If only one battery is adopted, only one side of the upright post is required to be arranged. The main board 7 is provided below the small battery. The small-sized battery is a button battery.

In fig. 4, a bimetal 8 consisting of 2 semicircular metal pieces is disposed at the bottom of the hemispherical or bowl-shaped inner cavity of the lower case, and the two metal pieces are symmetrically disposed at both sides of the pillar 3. Gaps are arranged among the 2 metal sheets, and the middle part of each metal sheet penetrates through the bottom of the upright post and is exposed on the inner wall of the through hole in the middle of the upright post.

The two metal sheets are respectively connected with the main board through a thimble 9. The thimble 9 is not only a supporting piece of the mainboard, but also an electric connecting piece of the metal sheet and the mainboard.

The bimetallic strip is made of food-grade material, namely 304 stainless steel, and the two bimetallic strips and the lower shell are integrally formed by an injection molding process.

Fig. 5 is a circuit block diagram of the present embodiment. The main control circuit MCU is arranged on the mainboard and is respectively connected with the temperature sampling circuit, the bimetallic strip detection circuit, the LED indicator light circuit and the LDO voltage stabilizing circuit. The main control circuit is a central processing unit (MCU), and the LDO voltage stabilizing circuit is a power supply voltage stabilizing circuit for ensuring the normal work of the LED lamp beads. Two small batteries supply power to the motherboard.

The bimetallic strip is connected with the bimetallic strip detection circuit.

One function of the bimetal is to act as a line switch. When the reserved gap between the bimetallic strips is immersed by water or other conductive liquid, the two bimetallic strips are communicated through the water or other conductive liquid, so that the bimetallic strip detection circuit is started and works.

The present embodiment utilizes the thermistor 15 to sense and measure the change of the measured liquid temperature, and the thermistor 15 is connected with the temperature sampling circuit on the mainboard.

In order to better sense and measure the temperature of water or other liquids, such as milk, a thermistor 15 is affixed to the surface of either of the bimetallic strips. Since the bimetal is immersed in water or other liquid (such as milk) during use, the bimetal senses the temperature of the water or other liquid (such as milk) at the same time. Because the metal sheet has good heat conduction performance, the temperature of water or other liquid (such as milk) can be simultaneously conducted to the thermistor adhered to the surface of one metal sheet through heat, and the thermistor can sense the temperature of the water or other liquid (such as milk). Therefore, the bimetallic strip has another function of serving as a temperature sensing part together with the thermistor.

If necessary, a Bluetooth circuit can be added on the mainboard. The APP with the temperature measuring device is installed on the mobile phone, the temperature measuring device is set and managed through the Bluetooth circuit, and the measured liquid temperature is directly pushed to the mobile phone to be displayed.

The parts except the shell in the whole temperature measuring ball are packaged in the inner cavity of the shell of the hollow sphere at one time, only the through hole in the middle of the upright post is communicated with the outside, and meanwhile, the middle part of the bimetallic strip close to the upright post is exposed on the inner wall of the through hole of the upright post. It should be noted that the thermistor adhered to one of the metal sheets is also enclosed in the inner cavity of the temperature measuring ball, and the thermistor does not directly contact the measured liquid, and only can sense the temperature change of the measured liquid through heat conduction through a part of the metal sheet exposed in the through hole.

The working principle is as follows:

the whole temperature measuring ball is firstly put into a water cup or other container containing water or milk or beverage to be measured, and the whole temperature measuring ball is immersed in the water. Because both the metal sheets penetrate through the bottom of the upright post and are exposed on the inner wall of the through hole of the upright post. Once the temperature measuring ball is immersed in water, water enters the through hole from the opening at the bottom of the through hole in the middle of the upright post and simultaneously immerses the exposed bimetallic strip, and the two metal strips are mutually and electrically connected through the water as a conductor to be conducted. The bimetal thus acts as a circuit switch.

The bimetallic strip detection circuit detects the conduction signal of the bimetallic strip, and triggers the main control circuit to start measuring the water temperature. The method comprises the steps of firstly, starting to collect water temperature signals by using a temperature sampling circuit connected to a thermistor, and controlling an LED indicating lamp circuit to emit IED temperature indicating light with corresponding colors through a main control circuit. Different colors can be set for the LED lamp beads according to different temperature sections, if green LED light indicates that the temperature of the section is right, yellow LED light indicates that the water temperature of the section is too cold, and red LED light indicates that the water temperature of the section is too high or too hot. And the duration of the LED lamp bead light emission is set through the main control circuit.

The small battery and the corresponding battery management circuit supply power to the main control circuit.

The using method comprises the following steps:

when the temperature measuring ball is used, the whole temperature measuring ball can be thrown into water needing temperature measurement, and a hollow pipe can be connected with the through hole of the upright post and then placed into a water cup or other containers. Whether the water temperature can be normally drunk can be judged by observing the color of LED light emitted by the middle circle of light guide ring of the temperature measuring ball.

The temperature measuring device of the embodiment is characterized in that all components are arranged in the inner cavity of the spherical body, the spherical body is only a complete spherical body in appearance, different colors of light can be used for representing water temperatures in different ranges, the temperature measurement expression is simple and visual, the use is very convenient, the spherical temperature measuring device is particularly suitable for old people and children, and the spherical temperature measuring device can be used in different occasions (such as being directly placed in a bathtub for measuring the temperature of bath water).

Example 2

In fig. 6, the housing is likewise a hollow oblate formed by the upper housing 1, the light guide ring 5 and the lower housing 2. The upper shell and the lower shell are mutually symmetrical two plastic shells with one-way openings and oblate shapes, or the shapes of the upper shell and the lower shell when the upper shell and the lower shell are opened are just like 2 circular groove bodies.

In fig. 7, the diaphragm 5 is a ring-shaped member made of transparent plastic and having a diameter adapted to the diameter of the upper and lower case openings. During assembly, the upper shell and the upper opening of the light guide ring are welded by ultrasonic waves, and the lower shell and the lower opening of the light guide ring are welded by ultrasonic waves, so that a hollow oblate shell is formed. Wherein the annular and transparent light-guiding ring is exposed from a circumferential gap between the upper housing and the lower housing. The welded housing is sealed and waterproof.

A main board and a small battery are arranged in the hollow inner cavity of the shell and are packaged by plastic.

Compared with embodiment 1, the overall appearance of the present embodiment is an oblate shape due to the changes of the shape and structure of the housing of the present embodiment.

The remaining parts and structure of this embodiment are the same as those of embodiment 1.

The working principle and the using method of the embodiment are the same as those of the embodiment 1.

Example 3

As shown in FIG. 8, a cup capable of measuring temperature can be assembled by using the temperature measuring device of the above embodiment 1 or embodiment 2. The cup is composed of a cup body 10 and a cup cover 11. The temperature measuring device is placed in the cup body 10, the lower end of the silica gel hose is connected with the upright post of the temperature measuring device through a hollow silica gel hose 14, and the upper end of the silica gel hose is fixed in the inner cavity of the cup cover, so that the assembly of the embodiment is completed.

When hot water with certain temperature is injected into the water cup, the hot water in the water cup enters from the through hole 4 in the upright post of the temperature measuring device, so that the bimetallic strip is conducted to trigger the main control circuit to start temperature measurement, whether the temperature of the hot water in the water cup is suitable for drinking or not can be judged according to the luminous color of the LED lamp beads in the light guide ring of the temperature measuring device, if the luminous color of the LED lamp beads shows that the temperature of the hot water in the water cup is too high or too low, the water temperature can be adjusted by adding the hot water or cold water until the LED lamp beads in the light guide ring show that.

Therefore, the hollow silica gel hose is connected with the connector on the temperature measuring device, so that hot water in the water cup can enter from the through hole at the bottom of the temperature measuring device as much as possible, the bimetallic strip is conducted on one hand, and the thermistor adhered to the surface of the bimetallic strip can accurately measure the water temperature on the other hand.

The water cup with the temperature measuring device has the advantages that: the temperature measuring device can sink to the bottom of the cup by virtue of gravity in the water cup, even if the water cup is inclined or even inverted, the temperature measuring device can still move along with the inclination or inversion of the water cup due to the fact that the hollow tube made of the silica gel hose is very soft, so that the whole temperature measuring device can be immersed by water in the cup at any time, the temperature of water in the water cup can be measured by the temperature measuring device all the time, and water temperature indicating light with corresponding color is emitted. The use convenience of the temperature measuring device is greatly improved.

Example 4

As shown in fig. 9, like the water cup in embodiment 3, the temperature measuring device in embodiment 1 or embodiment 2 can be combined with a feeding bottle to form the feeding bottle capable of measuring temperature. The nursing bottle is composed of a bottle body 12 and a nipple 13, the temperature measuring device is placed in the bottle body 12 of the nursing bottle, a hollow tube is adopted, and the temperature measuring device is connected with the nipple 13, so that the assembly of the nursing bottle is completed. The hollow pipe is used for connecting the temperature measuring device and the nipple, which is equivalent to a suction pipe for communicating the temperature measuring device and the nipple.

The hollow tube can be a soft silica gel hose 14 or a hard suction tube. For convenient installation, the lower end of the hollow tube is connected with a joint of the temperature measuring device, the upper end of the hollow tube is connected with a tray, the tray is fixed at the opening of the feeding bottle, and finally, the nipple is installed.

When a child sucks milk, the child can see the luminous color of the LED lamp beads in the light guide ring of the temperature measuring device in the feeding bottle, and the nipple can be used for sucking milk only if the luminous color of the LED lamp beads belongs to the color (such as green) of normal temperature.

In this embodiment, the temperature measuring device is connected and assembled with the nipple through the hollow tube, and the shape of the ordinary feeding bottle connected with the nipple through the suction tube is basically similar to that of the ordinary feeding bottle used in daily life, the weight is not increased a little, the use of children is facilitated, and the assembly and disassembly are also convenient.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A temperature measuring device is characterized by comprising a shell, a main board, LED lamp beads, a miniature battery, a bimetallic strip and a thermistor;

the shell comprises an upper shell, a light guide ring and a lower shell; the upper shell and the lower shell are 2 mutually symmetrical one-way open cavity bodies; the light guide ring is an annular piece made of transparent material; the openings of the upper shell and the lower shell are oppositely connected with the upper opening and the lower opening of the light guide ring respectively to form a shell with a cavity;

the main board is arranged above the bimetallic strip;

2. The temperature measuring device of claim 1, wherein the upper and lower shells are symmetrical hemispherical shells, and the upper and lower shells are connected to the upper and lower openings of the light-guiding ring to form a hollow spherical shell.

3. The temperature measuring device of claim 1, wherein the upper and lower housings are oblate housings symmetrical to each other, and the upper and lower housings are connected to the upper and lower openings of the light-guiding ring to form a hollow oblate housing.

4. The thermometric apparatus of claim 1, wherein the post extends outwardly from the upper housing as a cylinder, and the through hole in the middle of the post extends all the way to the outer end of the cylinder.

5. The temperature measuring device according to claim 1, wherein the main board comprises a main control circuit, a temperature sampling circuit, a bimetallic strip detection circuit, an LED indicator light circuit and an LDO voltage stabilizing circuit; the main control circuit is respectively connected with the temperature sampling circuit, the bimetallic strip switching circuit, the LED indicator lamp circuit and the LDO voltage stabilizing circuit, and is also connected with the small battery;

the bimetallic strip is connected with a bimetallic strip detection circuit of the main board;

6. The temperature measuring device according to any one of claims 1 to 5, wherein the upper and lower housings are made of the same plastic; the light guide ring is made of transparent plastics.

7. A water cup comprising the temperature measuring device of claim 1, wherein the water cup comprises a cup body, a cup cover and a hollow tube; the temperature measuring device is arranged in the cup body and is connected with the inner cavity of the cup cover through the hollow pipe.

8. The water cup as claimed in claim 7, wherein the hollow tube is a silicone hose; the lower end of the silica gel hose is connected with the upright post of the upper shell of the temperature measuring device, and the upper end of the silica gel hose is connected with the inner cavity of the cup cover.

9. A nursing bottle including the temperature measuring device of claim 1, wherein the nursing bottle includes a body, a nipple and a hollow tube; the temperature measuring device is arranged in the bottle body and is connected with the nipple through the hollow pipe.

10. A feeding bottle as claimed in claim 9 in which the hollow tube is a silicone hose; the lower end of the silica gel hose is connected with the upright post of the upper shell of the temperature measuring device, and the upper end of the silica gel hose is connected with the inner cavity of the nipple.