CN211452635U

CN211452635U - Temperature sensing spoon with light warning function

Info

Publication number: CN211452635U
Application number: CN202020542675.XU
Authority: CN
Inventors: 黄华妹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-09-08
Anticipated expiration: 2030-04-13

Abstract

The utility model discloses a take temperature sensing spoon of light alarm function, including spoon head and handle, the end of spoon head is provided with magnet and installs the groove additional to install magnet piece A additional at magnet and install inslot additional, magnet piece A's positive pole outwards, the internally mounted of spoon head has the temperature sensing probe, and the front end of temperature sensing probe is connected with metal temperature sensing contact, and metal temperature sensing contact is located the middle-end of spoon head. According to the temperature sensing spoon with the light warning function, a user can know the detected temperature range by observing the color of light; meanwhile, displaying the currently detected accurate temperature value through a temperature display screen; the user can judge whether the food that holds on the spoon head is fit for feeding and eats through the colour of observing the light and the temperature value that shows on observing the temperature display screen, and convenience simple to use has solved the problem that the user needs loaded down with trivial details single temperature value of observing the temperature display screen to judge the temperature height.

Description

Temperature sensing spoon with light warning function

Technical Field

The utility model relates to a temperature sensing spoon technical field specifically is a take temperature sensing spoon of light alarm function.

Background

When the existing temperature sensing spoon is used, the temperature of food held on the spoon head is detected only by adopting a temperature display screen, when the temperature sensing spoon is used every time, a user needs to observe the temperature on the temperature display screen, the temperature value is not visual through the temperature display screen, the temperature detected by the user through self analysis is high and is dropped, and the temperature sensing spoon is very tedious because the temperature sensing spoon is required to be observed every time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take light warning function's temperature sensing spoon has the advantage of simple to use convenience, has solved and has used loaded down with trivial details among the prior art, inconvenient judgement spoon overhead holds the problem of the temperature height of food.

In order to achieve the above object, the utility model provides a following technical scheme: a temperature sensing spoon with a light warning function comprises a spoon head and a handle, wherein a magnet adding groove is formed in the tail end of the spoon head, a magnet block A is additionally arranged in the magnet adding groove, the positive electrode of the magnet block A faces outwards, a temperature sensing probe is arranged inside the spoon head, the front end of the temperature sensing probe is connected with a metal temperature sensing contact, and the metal temperature sensing contact is located at the middle end of the spoon head; the front end of the handle is additionally provided with a magnet block B, the front end of the magnet block B is a negative electrode, the magnet block B is embedded in the magnet adding groove, and the negative electrode of the magnet block B is in adsorption connection with the positive electrode of the magnet block A; a circuit board and a lithium battery are additionally arranged inside the handle, and a temperature display screen is additionally arranged on the outer end face of the handle; the circuit board and the temperature display screen are electrically connected with the lithium battery, and the temperature display screen is electrically connected with the circuit board.

Preferably, a lithium battery power supply circuit diagram is integrated in the lithium battery, and comprises a chip U1, a capacitor C1-a capacitor C5, a resistor R1-a resistor R4, wherein a pin 4 of the chip U1 is connected to a +5V power supply input end and is connected to an input end of a capacitor C1, an input end of a resistor R2 and an input end of a resistor R1, an output end of a capacitor C1 is grounded, a pin 2 of the chip U1 is connected to an output end of a resistor R1, an output end of the resistor R2 is connected to a pin 1 of the chip U1, a pin 3 of the chip U1 is connected to an input end of an inductor L1, and an output end of the inductor L1 is connected to a + 3.3V.

Preferably, a main control chip IC1 is integrated on the circuit board, and a pin 2 of the main control chip IC1 is electrically connected with an output end of the temperature sensing probe; the main control chip IC1 is externally connected with a light bar control circuit, the light bar control circuit comprises a triode Q1, a triode Q2, a triode Q3, a lamp bead LED1, a lamp bead LED2 and a lamp bead LED3, the base of the triode Q1 is connected to the pin 25 of the chip IC1, the emitter of the triode Q1 is grounded, the collector of the triode Q1 is connected to the input end of the lamp bead LED1, and the output end of the lamp bead LED1 returns to the pin 4 of the chip IC 1; the base electrode of the triode Q2 is connected to the pin 24 of the chip IC1, the emitter electrode of the triode Q1 is grounded, the collector electrode of the triode Q1 is connected to the input end of the lamp bead LED2, and the output end of the lamp bead LED2 is connected back to the pin 5 of the chip IC 1; the base electrode of the triode Q3 is connected to the pin 23 of the chip IC3, the emitter electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 is connected to the input end of the lamp bead LED3, and the output end of the lamp bead LED3 returns to the pin 6 of the chip IC 1.

Preferably, the temperature display screen is internally provided with a display circuit, the display circuit comprises a chip U2, a resistor R8 and a resistor R9, a pin 7 of the chip U2 is connected with a pin 9 of a main control chip IC1, a pin 14 of the chip U2 is connected with a pin 10 of a main control chip IC1, a pin 6 of the chip U2 is connected with a pin 11 of the main control chip IC1, a pin 5 of the chip U2 is connected with a pin 12 of the main control chip IC1, and a pin 4 of the chip U2 is connected with a pin 13 of the main control chip IC 1.

Preferably, the lamp bead LED1, the lamp bead LED2 and the lamp bead LED3 are arranged on a panel of the peripheral handle of the temperature display screen.

Preferably, the model of the chip U1 is MT 342B.

Preferably, the model of the main control chip IC1 is SC92f 7463B.

Preferably, the model of the chip U2 is SMC 1602A.

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

according to the temperature sensing spoon with the light warning function, the metal temperature sensing contact detects the temperature of the spoon head and then transmits a temperature signal to the pin 2 of the main control chip IC1 through the temperature sensing probe, and the main control chip IC1 analyzes and processes the received signal and compares the signal with the preset temperature A and temperature B; when the temperature reaches or exceeds the upper limit value of the temperature, the lamp bead LED2 is lightened to display red light, when the temperature is between the temperature A and the temperature B, the lamp bead LED1 is lightened to display blue light, when the temperature is lower than the temperature B, the lamp bead LED3 is lightened to display green light, and a user can know the detected temperature range by observing the color of light; meanwhile, displaying the currently detected accurate temperature value through a temperature display screen; the user can judge whether the food that holds on the spoon head is fit for feeding and eats through the colour of observing the light and the temperature value that shows on observing the temperature display screen, and convenience simple to use has solved the problem that the user needs loaded down with trivial details single temperature value of observing the temperature display screen to judge the temperature height.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the spoon head structure of the present invention;

fig. 3 is a power supply circuit diagram of the lithium battery of the present invention;

fig. 4 is a connection diagram of the main control chip IC1 and the light bar control circuit according to the present invention;

fig. 5 is a circuit diagram of the present invention.

In the figure: 1. a spoon head; 2. a handle; 3. a magnet installing groove; 4. a magnet block A; 5. a temperature sensing probe; 6. a metal temperature sensing contact; 7. a magnet block B; 8. a circuit board; 9. a lithium battery; 10. a temperature display screen; 11. a lithium battery power supply circuit; 12. light bar control circuit.

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. 1-2, a temperature sensing spoon with a light warning function comprises a spoon head 1 and a handle 2, wherein a magnet installing groove 3 is formed in the tail end of the spoon head 1, a magnet block a4 is additionally installed in the magnet installing groove 3, the positive electrode of the magnet block a4 faces outwards, a temperature sensing probe 5 is installed inside the spoon head 1, the front end of the temperature sensing probe 5 is connected with a metal temperature sensing contact 6, and the metal temperature sensing contact 6 is located at the middle end of the spoon head 1; a magnet block B7 is additionally arranged at the front end of the handle 2, the front end of the magnet block B7 is a negative electrode, the magnet block B7 is embedded in the magnet adding groove 3, and the negative electrode of the magnet block B7 is in adsorption connection with the positive electrode of the magnet block A4; a circuit board 8 and a lithium battery 9 are additionally arranged inside the handle 2, and a temperature display screen 10 is additionally arranged on the outer end face of the handle 2; the circuit board 8 and the temperature display screen 10 are both electrically connected with the lithium battery 9, and the temperature display screen 10 is electrically connected with the circuit board 8.

Referring to fig. 3-4, a lithium battery power supply circuit 11 is integrated in the lithium battery 9, the lithium battery power supply circuit 11 includes a chip U1, a capacitor C1-a capacitor C5, a resistor R1-a resistor R4, the chip U1 is MT342B, a pin 4 of the chip U1 is connected to a +5V power input terminal, and is connected to an input terminal of the capacitor C1, an input terminal of the resistor R2, and an input terminal of the resistor R1, an output terminal of the capacitor C1 is grounded, a pin 2 of the chip U1 is connected to an output terminal of the resistor R1, an output terminal of the resistor R2 is connected to a pin 1 of the chip U1, a pin 3 of the chip U1 is connected to an input terminal of the inductor L1, and an output terminal of the inductor L1 is; a main control chip IC1 is integrated on the circuit board 8, the model of the main control chip IC1 is SC92f7463B, and a pin 2 of the main control chip IC1 is electrically connected with the output end of the temperature sensing probe 5; the main control chip IC1 is externally connected with a light bar control circuit 12, the light bar control circuit 12 comprises a triode Q1, a triode Q2, a triode Q3, a lamp bead LED1, a lamp bead LED2 and a lamp bead LED3, the lamp bead LED1, a lamp bead LED2 and a lamp bead LED3 are arranged on a panel of a peripheral handle 2 of the temperature display screen 10, the base of the triode Q1 is connected to a pin 25 of the chip IC1, the emitter of the triode Q1 is grounded, the collector of the triode Q1 is connected to the input end of the lamp bead LED1, and the output end of the lamp bead LED1 is connected back to a pin 4 of the chip IC 1; the base electrode of the triode Q2 is connected to the pin 24 of the chip IC1, the emitter electrode of the triode Q1 is grounded, the collector electrode of the triode Q1 is connected to the input end of the lamp bead LED2, and the output end of the lamp bead LED2 returns to the pin 5 of the chip IC 1; the base of the triode Q3 is connected to the pin 23 of the chip IC3, the emitter of the triode Q3 is grounded, the collector of the triode Q3 is connected to the input end of the lamp bead LED3, and the output end of the lamp bead LED3 returns to the pin 6 of the chip IC 1.

Referring to fig. 5, a display circuit is built in a temperature display screen 10, the display circuit includes a chip U2, a resistor R8 and a resistor R9, the model of the chip U2 is SMC1602A, a pin 7 of the chip U2 is connected to a pin 9 of a main control chip IC1, a pin 14 of the chip U2 is connected to a pin 10 of the main control chip IC1, a pin 6 of the chip U2 is connected to a pin 11 of the main control chip IC1, a pin 5 of the chip U2 is connected to a pin 12 of the main control chip IC1, and a pin 4 of the chip U2 is connected to a pin 13 of the main control chip IC 1.

When the temperature sensing spoon with the light warning function is used, the temperature of a spoon head 1 is detected by a metal temperature sensing contact 6, a temperature signal detected by the metal temperature sensing contact 6 is transmitted to a pin 2 of a main control chip IC1 by a temperature sensing probe 5, the main control chip IC1 performs amplification filtering processing on the received signal and analyzes the signal, the model of the main control chip IC1 is SC92f7463B, the temperature sensing spoon is a programmable PLC chip, two temperature values are set in a programmable mode and are respectively marked as temperature A and temperature B, the temperature A is a temperature upper limit value, the temperature B is a temperature lower limit value, when the temperature is higher than the temperature upper limit value, when the temperature is between the temperature upper limit value and the temperature lower limit value, the temperature is moderate, and when the temperature is equal to or lower than the temperature lower limit value, the temperature is too low; the main control chip IC1 carries out contrastive analysis on the temperature value obtained after processing, the temperature A and the temperature B, when the temperature reaches or exceeds the upper limit value of the temperature, the triode Q2 is controlled to be conducted, the lamp bead LED2 is lightened to display red light, when the temperature is between the temperature A and the temperature B, the triode Q1 is controlled to be conducted, the lamp bead LED1 is lightened to display blue light, when the temperature is lower than the temperature B, the triode Q3 is controlled to be conducted, the lamp bead LED3 is lightened to display green light, and a user can know the detected temperature range by observing the color of light; simultaneously, main control chip IC1 transmits the temperature value that detects for display circuit, shows the accurate temperature value that detects at present through temperature display screen 10 to the user judges whether the food that holds on the spoon head 1 is fit for feeding.

The structure has the following advantages: set up at magnet and add dress groove 3 through the end at spoon head 1, install magnet piece A4 additional at the inside fixed of magnet and add dress groove 3, inlay magnet piece A4 in magnet and add dress groove 3, play preliminary spacing fixed action between spoon head 1 and handle 2, magnet piece A4 closely adsorbs together with magnet piece B7 simultaneously, further fix, make spoon head 1 and handle 2 fastening connection together, connected mode is simple, it is firm to connect.

In summary, the following steps: according to the temperature sensing spoon with the light warning function, the metal temperature sensing contact 6 detects the temperature of the spoon head 1 and then transmits a temperature signal to the pin 2 of the main control chip IC1 through the temperature sensing probe 5, and the main control chip IC1 analyzes and processes the received signal and compares the signal with the preset temperature A and temperature B; when the temperature reaches or exceeds the upper limit value of the temperature, the lamp bead LED2 is lightened to display red light, when the temperature is between the temperature A and the temperature B, the lamp bead LED1 is lightened to display blue light, when the temperature is lower than the temperature B, the lamp bead LED3 is lightened to display green light, and a user can know the detected temperature range by observing the color of light; meanwhile, the currently detected accurate temperature value is displayed through the temperature display screen 10; the user can judge whether the food that holds on the spoon head 1 is fit for feeding food through the colour of observation light and the temperature value that shows on observing temperature display screen 10, and convenience simple to use has solved the problem that the user needs loaded down with trivial details single temperature value of observing temperature display screen 10 to judge the temperature height.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a take temperature sensing spoon of light alarm function, includes spoon head (1) and handle (2), its characterized in that: the tail end of the spoon head (1) is provided with a magnet loading groove (3), a magnet block A (4) is additionally arranged in the magnet loading groove (3), the positive pole of the magnet block A (4) faces outwards, a temperature sensing probe (5) is arranged in the spoon head (1), the front end of the temperature sensing probe (5) is connected with a metal temperature sensing contact (6), and the metal temperature sensing contact (6) is positioned at the middle end of the spoon head (1); a magnet block B (7) is additionally arranged at the front end of the handle (2), the front end of the magnet block B (7) is a negative electrode, the magnet block B (7) is embedded in the magnet adding groove (3), and the negative electrode of the magnet block B (7) is in adsorption connection with the positive electrode of the magnet block A (4); a circuit board (8) and a lithium battery (9) are additionally arranged inside the handle (2), and a temperature display screen (10) is additionally arranged on the outer end face of the handle (2); the circuit board (8) and the temperature display screen (10) are both electrically connected with the lithium battery (9), and the temperature display screen (10) is electrically connected with the circuit board (8).

2. The temperature sensing spoon with the light warning function according to claim 1, characterized in that: the lithium battery (9) is internally integrated with a lithium battery power supply circuit diagram (11), the lithium battery power supply circuit diagram (11) comprises a chip U1, a capacitor C1-a capacitor C5 and a resistor R1-a resistor R4, a pin 4 of the chip U1 is connected to a +5V power supply input end and is connected to an input end of a capacitor C1, an input end of a resistor R2 and an input end of a resistor R1, an output end of a capacitor C1 is grounded, a pin 2 of the chip U1 is connected to an output end of a resistor R1, an output end of the resistor R2 is connected to a pin 1 of the chip U1, a pin 3 of the chip U1 is connected to an input end of an inductor L1, and an output end of the inductor L1 is.

3. The temperature sensing spoon with the light warning function according to claim 1, characterized in that: a main control chip IC1 is integrated on the circuit board (8), and a pin 2 of the main control chip IC1 is electrically connected with the output end of the temperature sensing probe (5); the main control chip IC1 is externally connected with a light bar control circuit (12), the light bar control circuit (12) comprises a triode Q1, a triode Q2, a triode Q3, a lamp bead LED1, a lamp bead LED2 and a lamp bead LED3, the base of the triode Q1 is connected to a pin 25 of the chip IC1, the emitter of the triode Q1 is grounded, the collector of the triode Q1 is connected to the input end of the lamp bead LED1, and the output end of the lamp bead LED1 returns to a pin 4 of the chip IC 1; the base electrode of the triode Q2 is connected to the pin 24 of the chip IC1, the emitter electrode of the triode Q1 is grounded, the collector electrode of the triode Q1 is connected to the input end of the lamp bead LED2, and the output end of the lamp bead LED2 is connected back to the pin 5 of the chip IC 1; the base electrode of the triode Q3 is connected to the pin 23 of the chip IC3, the emitter electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 is connected to the input end of the lamp bead LED3, and the output end of the lamp bead LED3 returns to the pin 6 of the chip IC 1.

4. The temperature sensing spoon with the light warning function according to claim 1, characterized in that: the temperature display screen (10) is internally provided with a display circuit, the display circuit comprises a chip U2, a resistor R8 and a resistor R9, a pin 7 of the chip U2 is connected with a pin 9 of a main control chip IC1, a pin 14 of the chip U2 is connected with a pin 10 of a main control chip IC1, a pin 6 of the chip U2 is connected with a pin 11 of the main control chip IC1, a pin 5 of the chip U2 is connected with a pin 12 of the main control chip IC1, and a pin 4 of the chip U2 is connected with a pin 13 of the main control chip IC 1.

5. The temperature sensing spoon with the light warning function according to claim 3, characterized in that: the lamp bead LED1, the lamp bead LED2 and the lamp bead LED3 are arranged on a panel of the peripheral handle (2) of the temperature display screen (10).

6. The temperature sensing spoon with the light warning function according to claim 2, characterized in that: the model of the chip U1 is MT 342B.

7. The temperature sensing spoon with the light warning function according to claim 3, characterized in that: the model of the main control chip IC1 is SC92f 7463B.

8. The temperature sensing spoon with the light warning function according to claim 4, characterized in that: the model of the chip U2 is SMC 1602A.