WO2021077671A1

WO2021077671A1 - Non-touch temperature display vacuum cup

Info

Publication number: WO2021077671A1
Application number: PCT/CN2020/080377
Authority: WO
Inventors: 尹德青; 陈喜旺; 汪红军; 柳明; 金思敏
Original assignee: 南京盖乐普电子科技有限公司
Priority date: 2019-10-22
Filing date: 2020-03-20
Publication date: 2021-04-29
Also published as: CN211559623U

Abstract

A non-touch type temperature display vacuum cup, comprising a display screen (1), a battery (2), a control panel (3), a cup lid (4), an isolation layer (5), a temperature sensing device (6), and a cup body (7). The display screen (1) is mounted on the side of the cup lid (4); the battery (2) is provided on the upper surface of the cup lid (4) and connected to the control panel (3); the control panel (3) is mounted below the display screen (1) and connected to the display screen (1). The isolation layer (5) is provided under the bottom in the cup lid (4); the temperature sensing device (6) is mounted at the bottom of the isolation layer (5) and connected to the control panel (3); and the cup body (7) and the cup lid (4) can be screwed and combined by means of threads. When water exists in the cup, the cup can be shaken or inverted to enable water to be in contact with the temperature sensing device (6), the temperature sensing device (6) transmits signals to the control panel (3), the control panel (3) controls a display area and displays temperature, touch is not needed, and single-hand operation is very convenient.

Description

Non-touch type temperature display thermos cup

Technical field

The utility model relates to the technical field of thermos cups, in particular to a non-touch type temperature display thermos cup.

Background technique

The thermos cup is developed from the thermos bottle. The principle of insulation is the same as the thermos bottle, but people make the bottle into a cup for convenience.

In order to let people know the temperature of the water in the thermos cup on the market, the thermos cup has a function of measuring and displaying the temperature of the water in the cup.

However, this kind of thermos-sensitive vacuum cup is mainly divided into non-elastic cover vacuum flask and elastic cover vacuum vacuum cup. If you touch the lid of the non-flip-lid vacuum flask, you can display the temperature; if you touch the vacuum-lid vacuum cup, you can touch the button of the pop-lid, and the temperature indicator will be on. Both thermos cups need to be touched, which is inconvenient for one-handed operation and troublesome in actual use.

technical problem

Aiming at the problems in the related art, the present utility model proposes a non-touch temperature-sensitive insulation cup to overcome the above-mentioned technical problems existing in the related art.

Technical solutions

A non-touch temperature-sensitive insulation cup, including a display screen, a battery, a control board, a cup cover, an isolation layer, a temperature sensing device and a cup body;

The display screen is installed on the side of the cup cover;

The battery is arranged on the upper surface of the cup cover and connected with the control board;

The control board is installed under the display screen and connected with the display screen;

The isolation layer is set directly below the inner bottom of the cup lid;

The temperature sensing device is installed at the bottom of the isolation layer and connected to the control board.

Further, the cup cover is made of waterproof material, and the part of the bottom in contact with water is sealed.

Further, the isolation layer is made of waterproof material, the bottom is tightly attached to the temperature sensing device, and the top is tightly connected with the cup lid.

A non-touch type temperature display thermos cup, further comprising a temperature sensing display circuit, including a temperature detection unit and a control display unit;

Temperature detection unit, including resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R7, resistor R8, thermistor RT1, potentiometer RV1, potentiometer RV2, light-emitting diode D1, and Zener diode D2 , Voltage follower U1: A and voltage follower U1: B;

One end of the resistor R1 and one end of the resistor R2 are both connected to VCC, the other end of the resistor R1 is connected to the anode of the light emitting diode D1, and the other end of the resistor R2 is connected to the voltage regulator diode D2. The cathode and one end of the resistor R3 are connected, the cathode of the light-emitting diode D1 and the anode of the Zener diode D2, the second pin of the potentiometer RV1, the third pin of the potentiometer RV1, and the One end of the thermistor RT1, the second pin of the potentiometer RV2, and the third pin of the potentiometer RV2 are all grounded, the other end of the resistor R3 is connected to one end of the resistor R4, and the voltage Follower U1: the non-inverting input terminal of A is connected, the other end of the resistor R4 is connected to the first pin of the potentiometer RV1, and the inverting input terminal of the voltage follower U1: A is connected to the voltage follower respectively U1: The output terminal of A, one end of the resistor R5 and one end of the resistor R6 are connected, and the other end of the resistor R5 is respectively connected to the other end of the thermistor RT1 and the voltage follower U1: B The other end of the resistor R6 is connected to one end of the resistor R7 and the first pin of the potentiometer RV2, and the other end of the resistor R7 is connected to one end of the resistor R8, The inverting input end of the voltage follower U1:B is connected, and the output end of the voltage follower U1:B is connected to the other end of the resistor R8;

The control display unit includes integrated circuit U2, integrated circuit U3, resistor R9, resistor R10, resistor R11, capacitor C1, capacitor C2, capacitor C3, crystal oscillator X1, transistor Q1, transistor Q2 and display screen P1;

The 17th pin of the integrated circuit U2 is respectively connected to the output terminal of the voltage follower U1:B and the other end of the resistor R8, and the 9th pin of the integrated circuit U2 is connected to one end of the resistor R9 One end of the capacitor C1 is connected, the other end of the resistor R9 is grounded, the other end of the capacitor C1 is connected to VCC, and the 19th pin of the integrated circuit U2 is connected to one end of the capacitor C2 and the crystal oscillator respectively. One end of X1 is connected, the other end of the capacitor C2 and one end of the capacitor C3 are both grounded, and the 18th pin of the integrated circuit U2 is connected to the other end of the capacitor C3 and the other end of the crystal oscillator X1, The 31st pin of the integrated circuit U2 is connected to VCC, the 39th pin of the integrated circuit U2 is connected to the 7th pin of the integrated circuit U3, and the 38th pin of the integrated circuit U2 is connected to the integrated circuit U2. The first pin of the circuit U3 is connected, the 37th pin of the integrated circuit U2 is connected to the second pin of the integrated circuit U3, and the 36th pin of the integrated circuit U2 is connected to the second pin of the integrated circuit U3. 6-pin connection, the fourth pin of the integrated circuit U3, the fifth pin of the integrated circuit U3, and the third pin of the integrated circuit U3 are both connected to VCC, and the 13th pin of the integrated circuit U3 The pin is connected to pin A of the display screen P1, the 12th pin of the integrated circuit U3 is connected to the pin B of the display screen P1, and the 11th pin of the integrated circuit U3 is connected to the display screen. The pin C of P1 is connected, the 10th pin of the integrated circuit U3 is connected to the pin D of the display screen P1, and the 9th pin of the integrated circuit U3 is connected to the pin E of the display screen P1 , The 15th pin of the integrated circuit U3 is connected to the pin F of the display screen P1, the 14th pin of the integrated circuit U3 is connected to the pin G of the display screen P1, and the integrated circuit U2 The 35th pin is connected to one end of the resistor R10, the 34th pin of the integrated circuit U2 is connected to one end of the resistor R11, and the other end of the resistor R10 is connected to the base of the transistor Q1, The emitter of the transistor Q1 and the emitter of the transistor Q2 are both connected to VCC, the collector of the transistor Q1 is connected to the first pin of the display screen P1, and the other end of the resistor R11 is connected to the transistor The base of Q2 is connected, and the collector of the transistor Q2 is connected to the second pin of the display screen P1.

Further, the voltage follower U1:A and the voltage follower U1:B are both voltage follower LM324.

Further, the integrated circuit U2 is a single-chip microcomputer MCS51.

Further, the integrated circuit U3 is a decoder driver 74LS47.

Beneficial effect

When there is water in the cup, it can be shaken or turned upside down to make the water touch the temperature sensing device. The temperature sensing device transmits the signal to the control panel. The control panel controls the display area and displays the temperature. No touch is required. One-handed operation is very convenient. .

Description of the drawings

In order to explain the embodiments of the present utility model or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the embodiments. Obviously, the drawings in the following description are only the present utility model. For some of the embodiments of, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work.

Fig. 1 is a schematic structural diagram of a non-touch temperature-sensing vacuum flask according to an embodiment of the present invention.

Fig. 2 is a schematic diagram of a temperature sensing display circuit of a non-touch temperature-sensing thermos cup circuit according to an embodiment of the present invention.

The reference signs in FIG. 1 are: display screen 1, battery 2, control board 3, cup cover 4, isolation layer 5, temperature sensing device 6, and cup body 7.

Embodiments of the present invention

The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present utility model.

According to an embodiment of the present invention, a non-touch type temperature-sensitive insulation cup is provided.

As shown in Figure 1, the non-touch temperature sensitive insulation cup according to the embodiment of the present utility model, hereinafter referred to as "the device", is composed of a display screen, a battery, a control board, a cup cover, an isolation layer, a temperature sensing device and a cup Body composition. Among them, the display screen is arranged on the side of the lid; the battery is arranged on the upper surface of the lid and is connected to the control board; the control board is installed under the display and connected to the display; the isolation layer is arranged directly under the inner bottom of the lid; temperature sensing The device is installed at the bottom of the isolation layer and connected to the control board.

Preferably, the cup cover is made of waterproof material, and the part of the bottom in contact with water is sealed for waterproofing and protecting the circuit in the cup cover.

Preferably, the isolation layer is made of waterproof material, the bottom is tightly attached to the temperature sensing device, and the top is tightly connected to the cup lid to ensure the sensitivity of the temperature sensing device and isolate the water in the cup to prevent short circuit.

As shown in Fig. 2, a non-touch temperature-sensitive insulation cup further includes a temperature sensing display circuit, including a temperature detection unit and a control display unit;

In a further embodiment, the Zener diode D2 provides a stable voltage, the resistor R3, the resistor R4, and the potentiometer RV1 divide the voltage, and the potentiometer RV1 is adjusted so that the voltage follower U1: A. Outputs the voltage for stabilizing the working bridge and reduces the working current of the thermistor RT1 to prevent heating from affecting the measurement accuracy. The resistor R5, the resistor R6, the thermistor RT1, and the potentiometer RV2 are composed of When the electric bridge is at room temperature, the potentiometer RV2 is adjusted to level the electric bridge. When the thermistor RT1 changes due to the water temperature, the electric bridge is unbalanced, and the output voltage is amplified by the voltage follower U1:B and output.

In the utility model, the temperature sensing device is arranged on the cup lid, without touching, the temperature can be displayed by shaking or inverting, and the one-handed operation is very convenient.

When the thermos cup is shaken or inverted with one hand, the temperature sensor set in the lid of the cup detects the water temperature in the cup body. In order to accurately detect the water temperature in the short-term contact of shaking or inverting, the thermistor KTY81 is used. The high sensitivity of the thermistor KTY81 can quickly detect the result. However, the high sensitivity of the thermistor KTY81 will affect the detection result. The thermistor KTY81 detects errors due to the heat generated by the working current, so the potentiometer RV1 is set in the circuit, and the potentiometer RV1 is adjusted to make the voltage follow U1: A outputs a voltage that stabilizes the working bridge, and reduces the working current of the thermistor RT1, so as to prevent heating from affecting the measurement accuracy. At the same time, the temperature can be displayed only by shaking or inverting, which prevents the thermos cup from constantly detecting wasted power and prolongs the battery replacement cycle.

Working principle: resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, thermistor RT1, potentiometer RV1, potentiometer RV2, light-emitting diode D1, Zener diode D2, voltage The follower U1: A and the voltage follower U1: B form a temperature detection unit; the light-emitting diode D1 is used to light up to indicate that the circuit is working normally; the Zener diode D2 is to provide a stable voltage; the resistor R3, The function of the resistor R4 and the potentiometer RV1 is to divide the voltage; the function of the potentiometer RV1 is to make the voltage follower U1:A output a voltage that stabilizes the bridge operation and reduce the temperature of the thermistor RT1 Working current to prevent heating from affecting the measurement accuracy; the resistor R5, the resistor R6, the thermistor RT1, and the potentiometer RV2 are used to form a bridge; the potentiometer RV2 is used to level the bridge The function of the thermistor RT1 is to detect the water temperature; the function of the voltage follower U1:B is to output a voltage signal after amplification.

The integrated circuit U2, the integrated circuit U3, the resistor R9, the resistor R10, the resistor R11, the capacitor C1, the capacitor C2, the capacitor C3, the crystal oscillator X1, the transistor Q1, the transistor Q2 and the display screen P1 constitute a control display unit; the function of the integrated circuit U2 Is to receive the temperature detection signal and control the display of the display screen P1; the function of the integrated circuit U3 is to convert the output signal of the integrated circuit U2 to the display screen P1; the resistance of the resistor R9 and the capacitor C1 The function is to form a reset circuit; the function of the capacitor C2, the capacitor C3, and the crystal oscillator X1 is to form a crystal oscillator circuit; the function of the display screen P1 is to display the detected water temperature.

In summary, with the help of the above technical solution of the present utility model, by designing a non-touch temperature-sensing insulation cup, when there is water in the cup, it can be shaken or inverted to make the water contact the temperature sensing device. The sensing device transmits the signal to the control panel, which controls the display area and displays the temperature. It does not need to be touched, and it is very convenient to operate with one hand.

The above descriptions are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in Within the protection scope of the utility model.

Claims

A non-touch temperature-sensitive insulation cup, which is characterized by comprising a display screen, a battery, a control board, a cup cover, an isolation layer, a temperature sensing device and a cup body;

The display screen is installed on the side of the cup cover;

The battery is arranged on the upper surface of the cup cover and connected with the control board;

The control board is installed under the display screen and connected with the display screen;

The isolation layer is set directly below the inner bottom of the cup lid;

The temperature sensing device is installed at the bottom of the isolation layer and connected to the control board;

The non-touch type temperature-sensing thermal insulation cup according to claim 1, wherein the lid is made of waterproof material, and the part of the bottom in contact with water is sealed.
The non-touch temperature-sensing insulated cup according to claim 1, wherein the isolation layer is made of waterproof material, the bottom is tightly attached to the temperature sensing device, and the top is tightly connected with the lid.
A non-touch temperature-sensitive insulation cup is characterized in that it further includes a temperature sensing display circuit, including a temperature detection unit and a control display unit;

Temperature detection unit, including resistor R1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R6, resistor R7, resistor R8, thermistor RT1, potentiometer RV1, potentiometer RV2, light-emitting diode D1, and Zener diode D2 , Voltage follower U1: A and voltage follower U1: B;

One end of the resistor R1 and one end of the resistor R2 are both connected to VCC, the other end of the resistor R1 is connected to the anode of the light emitting diode D1, and the other end of the resistor R2 is connected to the voltage regulator diode D2. The cathode and one end of the resistor R3 are connected, the cathode of the light-emitting diode D1 and the anode of the Zener diode D2, the second pin of the potentiometer RV1, the third pin of the potentiometer RV1, and the One end of the thermistor RT1, the second pin of the potentiometer RV2, and the third pin of the potentiometer RV2 are all grounded, the other end of the resistor R3 is connected to one end of the resistor R4, and the voltage Follower U1: the non-inverting input terminal of A is connected, the other end of the resistor R4 is connected to the first pin of the potentiometer RV1, and the inverting input terminal of the voltage follower U1: A is connected to the voltage follower respectively U1: The output terminal of A, one end of the resistor R5 and one end of the resistor R6 are connected, and the other end of the resistor R5 is respectively connected to the other end of the thermistor RT1 and the voltage follower U1: B The other end of the resistor R6 is connected to one end of the resistor R7 and the first pin of the potentiometer RV2, and the other end of the resistor R7 is connected to one end of the resistor R8, The inverting input end of the voltage follower U1:B is connected, and the output end of the voltage follower U1:B is connected to the other end of the resistor R8;

The control display unit includes integrated circuit U2, integrated circuit U3, resistor R9, resistor R10, resistor R11, capacitor C1, capacitor C2, capacitor C3, crystal oscillator X1, transistor Q1, transistor Q2 and display screen P1;

The 17th pin of the integrated circuit U2 is respectively connected to the output terminal of the voltage follower U1:B and the other end of the resistor R8, and the 9th pin of the integrated circuit U2 is connected to one end of the resistor R9 One end of the capacitor C1 is connected, the other end of the resistor R9 is grounded, the other end of the capacitor C1 is connected to VCC, and the 19th pin of the integrated circuit U2 is connected to one end of the capacitor C2 and the crystal oscillator respectively. One end of X1 is connected, the other end of the capacitor C2 and one end of the capacitor C3 are both grounded, and the 18th pin of the integrated circuit U2 is connected to the other end of the capacitor C3 and the other end of the crystal oscillator X1, The 31st pin of the integrated circuit U2 is connected to VCC, the 39th pin of the integrated circuit U2 is connected to the 7th pin of the integrated circuit U3, and the 38th pin of the integrated circuit U2 is connected to the integrated circuit U2. The first pin of the circuit U3 is connected, the 37th pin of the integrated circuit U2 is connected to the second pin of the integrated circuit U3, and the 36th pin of the integrated circuit U2 is connected to the second pin of the integrated circuit U3. 6-pin connection, the fourth pin of the integrated circuit U3, the fifth pin of the integrated circuit U3, and the third pin of the integrated circuit U3 are both connected to VCC, and the 13th pin of the integrated circuit U3 The pin is connected to pin A of the display screen P1, the 12th pin of the integrated circuit U3 is connected to the pin B of the display screen P1, and the 11th pin of the integrated circuit U3 is connected to the display screen. The pin C of P1 is connected, the 10th pin of the integrated circuit U3 is connected to the pin D of the display screen P1, and the 9th pin of the integrated circuit U3 is connected to the pin E of the display screen P1 , The 15th pin of the integrated circuit U3 is connected to the pin F of the display screen P1, the 14th pin of the integrated circuit U3 is connected to the pin G of the display screen P1, and the integrated circuit U2 The 35th pin is connected to one end of the resistor R10, the 34th pin of the integrated circuit U2 is connected to one end of the resistor R11, and the other end of the resistor R10 is connected to the base of the transistor Q1, The emitter of the transistor Q1 and the emitter of the transistor Q2 are both connected to VCC, the collector of the transistor Q1 is connected to the first pin of the display screen P1, and the other end of the resistor R11 is connected to the transistor The base of Q2 is connected, and the collector of the transistor Q2 is connected to the second pin of the display screen P1.
The non-touch temperature-sensitive insulation cup according to claim 4, wherein the voltage follower U1:A and the voltage follower U1:B are both voltage follower LM324.
The non-touch type temperature-sensitive vacuum flask according to claim 4, wherein the integrated circuit U2 is a single-chip microcomputer MCS51.
The non-touch temperature-sensitive insulation cup according to claim 4, wherein the integrated circuit U3 is a decoder driver 74LS47.