Intelligent tea making robot

Abstract

The utility model relates to the technical field of intelligent control, and discloses an intelligent tea making robot which is reliable in control and high in stability, the intelligent tea making robot comprises a control circuit used for controlling a mechanical arm to act, and a signal input end of a main control module (100) is in communication connection with a mobile terminal and used for receiving an adjusting signal input by the mobile terminal; the adjusting signal is used for adjusting the threshold range of the threshold signal; one input end of the comparison control module (200) is connected with the power supply end and used for receiving the voltage signal, and the comparison control module (200) is used for comparing the voltage signal with the adjusted threshold signal and controlling the working state of the heating module according to the comparison result.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent control, and more specifically to an intelligent tea-making robot. Background Art

[0002] The intelligent tea-making robot and mobile devices (such as mobile phones or tablets) realize the Internet of Things through a wireless Bluetooth module, so that the intelligent tea-making robot and the mobile device can establish a wireless connection, and the intelligent tea-making robot can be controlled on the mobile device. At present, temperature control is generally controlled by hardware (such as temperature sensors or detection resistors), and its action threshold (reference value) is fixed. Users cannot adjust the action and protection threshold according to actual use, and the flexibility and stability are poor.

[0003] Therefore, how to improve the accuracy and reliability of detection has become a technical problem that technicians in this field continue to solve. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the above-mentioned temperature control in the prior art generally adopts hardware (such as temperature sensor or detection resistor) control, and its action threshold (reference value) is fixed. Users cannot adjust the action and protection threshold according to actual use, and the flexibility and stability are poor. To overcome the defects, an intelligent tea-making robot with reliable control and high stability is provided.

[0005] The technical solution adopted by the utility model to solve the technical problem is: construct an intelligent tea-making robot, including a control circuit for controlling the movement of a mechanical arm,

[0006] The control circuit at least includes a main control module and a comparison control module, wherein:

[0007] The main control module is provided with an adjustable threshold signal.

[0008] The signal input end of the main control module is connected to the mobile terminal for communication, and is used to receive an adjustment signal input by the mobile terminal, wherein the adjustment signal is used to adjust the threshold range of the threshold signal;

[0009] The reference signal terminal of the comparison control module is connected to the reference signal output terminal of the main control module, and is used to receive the adjusted threshold signal;

[0010] An input terminal of the comparison control module is connected to the power supply terminal for receiving a voltage signal.

[0011] The comparison control module is used to compare the voltage signal with the adjusted threshold signal, and control the working state of the heating module according to the comparison result.

[0012] In some embodiments, the main control module includes at least a main controller,

[0013] The receiving end of the main controller is connected to the mobile end for receiving the adjustment signal input by the mobile end.

[0014] The temperature detection end of the main controller is configured at the extension of the heating module, and is used to obtain the temperature signal when the heating module is working.

[0015] The reference signal output terminal of the main controller is connected to the input terminal of the comparison control module.

[0016] In some embodiments, the main control module further includes a crystal oscillator circuit.

[0017] The crystal oscillator circuit is used to generate a pulse clock signal.

[0018] One end of the crystal oscillator circuit is connected to a crystal oscillator feedback end of the main controller,

[0019] The other end of the crystal oscillator circuit is connected to another crystal oscillator feedback end of the main controller.

[0020] In some implementations, the comparison control module includes at least a first operational amplifier, a second operational amplifier, a first comparator, and a second comparator.

[0021] The inverting terminal of the first operational amplifier and the non-inverting terminal of the second operational amplifier are connected to the power supply terminal.

[0022] The non-inverting terminal of the first operational amplifier is connected to the output terminal,

[0023] The inverting terminal of the second operational amplifier is connected to the output terminal,

[0024] The non-inverting terminal of the first comparator is connected to the output terminal of the second operational amplifier,

[0025] The inverting terminal of the first comparator is connected to the output terminal of the first operational amplifier,

[0026] The non-inverting terminal of the second comparator is connected to the reference signal output terminal of the main controller,

[0027] The inverting terminal of the second comparator is connected to the output terminal of the first comparator,

[0028] The output terminal of the second comparator is connected to one end of the heating module.

[0029] When the voltage signal is greater than the adjusted threshold signal, the second comparator outputs a low level, and the heating module is turned off.

[0030] When the voltage signal is less than the adjusted threshold signal, the second comparator outputs a high level, and the heating module is controlled to operate.

[0031] In some implementations, the comparison control module further includes a first transistor and a second transistor.

[0032] The base of the first transistor is connected to the output terminal of the second comparator for receiving a control level.

[0033] The base of the second transistor is connected to the emitter of the first transistor,

[0034] The collectors of the first transistor and the second transistor are connected to the power supply terminal.

[0035] The emitter of the second transistor is connected to one end of the heating module.

[0036] When the second comparator outputs a high level, the first transistor and the second transistor are controlled to be turned on, and the heating module works.

[0037] In some implementations, the first transistor and the second transistor are selected as NPN transistors.

[0038] In some embodiments, a power supply module is further included, wherein the input terminal of the power supply module is connected to the power supply terminal for receiving a power supply signal.

[0039] The output end of the power module is connected to the power input end of the main control module.

[0040] In some embodiments, the power module includes a power chip module.

[0041] The input end of the power chip module is connected to the power end to receive a power signal.

[0042] The output end of the power chip module is connected to the power input end of the main control module.

[0043] The intelligent tea-making robot described in the utility model includes a control circuit for controlling the action of the mechanical arm, which includes at least a main control module and a comparison control module. The main control module is used to receive the adjustment signal input by the mobile terminal, and the adjustment signal is used to adjust the threshold range of the threshold signal; the comparison control module is used to receive the adjusted threshold signal; the comparison control module is used to compare the voltage signal with the adjusted threshold signal, and control the working state of the heating module according to the comparison result. Compared with the existing technology, the threshold range of the threshold signal is adjusted by the mobile terminal, and then compared with the input voltage signal, and the working state of the heating module is controlled according to the comparison result, which can effectively solve the problem that the existing temperature control generally adopts hardware (such as temperature sensor or detection resistor) control, and its action threshold (reference value) is fixed, and the user cannot adjust the action and protection threshold according to actual use, and the flexibility is poor. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] The present invention will be further described below with reference to the accompanying drawings and embodiments, in which:

[0045] Figure 1 This is a schematic diagram of an embodiment of a main control module provided by the utility model;

[0046] Figure 2 It is a principle diagram of an embodiment of a comparison control module provided by the utility model. DETAILED DESCRIPTION

[0047] In order to have a clearer understanding of the technical features, purposes and effects of the present utility model, the specific implementation methods of the present utility model are now described in detail with reference to the accompanying drawings.

[0048] like Figure 1 As shown, in the first embodiment of the intelligent tea-making robot of the present utility model, the intelligent tea-making robot comprises a control circuit (100, 200), which comprises a main control module 100 and a comparison control module 200.

[0049] Wherein, the control circuit (100, 200) is used to control the movement of the robot arm;

[0050] The control circuit (100, 200) comprises at least a main control module 100 and a comparison control module 200, wherein:

[0051] The main control module 100 has the functions of Bluetooth connection, WIFI connection, calculation, signal processing, and output control signals;

[0052] The comparison control module 200 has the functions of signal comparison and output control level.

[0053] Specifically, the main control module 100 is provided with an adjustable threshold signal (such as 2V-25V).

[0054] The signal input end of the main control module 100 is connected to the mobile terminal (such as a tablet or a mobile phone) through a Bluetooth module, and is used to receive an adjustment signal input by the mobile terminal APP (such as a tablet or a mobile phone), and the adjustment signal can be used to adjust the threshold range of the threshold signal;

[0055] For example, you can use a mobile app (such as a tablet or a mobile phone) to input the threshold range of the adjustment signal (such as 1V-23V), or

[0056] The threshold range of the threshold signal (such as 1V-10V), or

[0057] The threshold range of the threshold signal (e.g. 5V-20V), or

[0058] The threshold range of the threshold signal (e.g. 10V-25V), or

[0059] The threshold range of the threshold signal (e.g. 15V-25V), or

[0060] Threshold range of the threshold signal (e.g. 20V-25V).

[0061] Further, the reference signal terminal of the comparison control module 200 is connected to the reference signal output terminal of the main control module 100 to receive the adjusted threshold signal;

[0062] An input terminal of the comparison control module 200 is connected to the power supply terminal (corresponding to VCC) for receiving a voltage signal and performing voltage division processing on the input voltage signal as a comparison signal;

[0063] The comparison control module 200 is used to compare the voltage signal with the adjusted threshold signal and output a control level signal according to the comparison result.

[0064] When the voltage signal is greater than the adjusted threshold signal, the output is a low level signal, and the heating module VS201 does not work;

[0065] When the voltage signal is less than the adjusted threshold signal, the output is a high level signal, the heating module VS201 works, and then heats up.

[0066] By using this technical solution, the threshold range of the threshold signal can be adjusted through a mobile APP (such as a tablet or mobile phone), and then compared with the input voltage signal, and the working state of the heating module VS201 can be controlled according to the comparison result. This can effectively solve the problem that the existing temperature control generally adopts hardware (such as temperature sensor or detection resistor) control, and its action threshold (reference value) is fixed, and users cannot adjust the action and protection threshold according to actual use, and the flexibility is poor.

[0067] In some embodiments, Figure 1As shown, in order to improve the performance of the tea-making robot, a main controller U101 can be set in the main control module 100, which has the functions of calculation, signal processing, and output control signals;

[0068] Specifically, the receiving end (corresponding to pin 9) of the main controller U101 is connected to the mobile terminal for communication, and is used to receive the adjustment signal input by the mobile terminal, that is, it can be controlled on the mobile terminal APP to adjust the threshold range of the threshold signal. The user can control / adjust the threshold range triggered by the heating module VS201 according to the habit;

[0069] The temperature detection terminal (corresponding to pin 23) of the main controller U101 is configured at the extension of the heating module VS201, and is used to obtain the temperature signal of the heating module VS201 when it is working. The user can adjust the threshold range of the heating module VS201 trigger according to the feedback temperature signal;

[0070] The reference signal output terminal (corresponding to pin 24) of the main controller U101 is connected to the input terminal of the comparison control module 200 to output the threshold signal to the comparison control module 200 .

[0071] In some embodiments, Figure 1 As shown, the main control module 100 also includes a crystal oscillator circuit, wherein the crystal oscillator circuit is used to generate a pulse clock signal.

[0072] One end of the crystal oscillator circuit is connected to a crystal oscillator feedback end (corresponding to pin 18) of the main controller U101.

[0073] The other end of the crystal oscillator circuit is connected to another crystal oscillator feedback end (corresponding to pin 19) of the main controller U101, and the pulse clock signal is input into the main controller U101 to provide a pulse clock for its operation.

[0074] The crystal oscillator circuit includes a crystal oscillator Y101, a sixth capacitor C106 and a seventh capacitor C107.

[0075] One end of the crystal oscillator Y101 is connected to one end of the sixth capacitor C106 and one end of a crystal oscillator feedback end (corresponding to pin 18) of the main controller U101.

[0076] The other end of the crystal oscillator Y101 is connected to one end of the seventh capacitor C107 and one end of another crystal oscillator feedback end (corresponding to pin 19) of the main controller U101.

[0077] The other ends of the sixth capacitor C106 and the seventh capacitor C107 are connected to the common end.

[0078] In some embodiments, Figure 2 As shown, in order to ensure the stability of the input voltage signal, a voltage divider circuit 201, an operational amplifier circuit 202, a comparison circuit 203 and a switch circuit 204 may be provided in the comparison control module 200.

[0079] The voltage divider circuit 201 is used to receive a voltage signal input from a power supply terminal (corresponding to VCC), perform voltage division processing on the voltage signal, and then output the voltage signal to the operational amplifier circuit 202;

[0080] The operational amplifier circuit 202 is used to receive the voltage signal input after voltage division, perform operational amplifier processing on it, and then output the voltage signal after operational amplifier processing to the comparison circuit 203;

[0081] An input terminal of the comparison circuit 203 is used to receive a voltage signal input by the operational amplifier circuit 202.

[0082] The other input end of the comparison circuit 203 is used to receive a threshold signal input by the main controller U101, compare the two signals, and then output a control level signal to the switch circuit 204 according to the comparison result;

[0083] The switch circuit 204 is used to receive the control level signal output by the comparison circuit 203, and control the on / off state of the heating module VS201 according to the level state of the control level signal.

[0084] In some embodiments, Figure 2 As shown, the voltage divider circuit 201 includes a third resistor R201, a fourth resistor R202 and a fifth resistor R203 connected in series, and

[0085] The sixth resistor R204, the seventh resistor R205 and the eighth resistor R206 are connected in series,

[0086] The resistors are used to divide the input voltage signal and then output it to the operational amplifier circuit 202 .

[0087] In some embodiments, Figure 2 As shown, the operational amplifier circuit 202 includes a first operational amplifier U2A and a second operational amplifier U2B.

[0088] The comparison circuit 203 includes a first comparator U2C and a second comparator U2D.

[0089] The inverting terminal (corresponding to pin 3) of the first operational amplifier U2A is connected to the connecting terminal (corresponding to point A) of the seventh resistor R205 and the eighth resistor R206, and is used to receive the voltage signal after being divided by the sixth resistor R204, the seventh resistor R205 and the eighth resistor R206.

[0090] The in-phase terminal (corresponding to pin 5) of the second operational amplifier U2B is connected to the connection terminal (corresponding to point B) of the fourth resistor R202 and the fifth resistor R203, and is used to receive the voltage signal after being divided by the third resistor R201, the fourth resistor R202 and the fifth resistor R203.

[0091] The in-phase terminal (corresponding to pin 2) of the first operational amplifier U2A is connected to the output terminal (corresponding to pin 4).

[0092] The inverting terminal (corresponding to pin 6) of the second operational amplifier U2B is connected to the output terminal (corresponding to pin 7).

[0093] The in-phase terminal (corresponding to pin 8) of the first comparator U2C is connected to the output terminal (corresponding to pin 7) of the second operational amplifier U2B through the thirteenth resistor R211.

[0094] The inverting terminal (corresponding to pin 9) of the first comparator U2C is connected to the output terminal (corresponding to pin 4) of the first operational amplifier U2A through the twelfth resistor R210.

[0095] The in-phase terminal (corresponding to pin 11) of the second comparator U2D is connected to the reference signal output terminal (corresponding to pin 24) of the main controller U101 through the seventeenth resistor R215, and is used to receive the threshold signal or the adjusted threshold signal.

[0096] The inverting terminal (corresponding to pin 12) of the second comparator U2D is connected to the output terminal (corresponding to pin 10) of the first comparator U2C through the sixteenth resistor R214 to receive the voltage signal.

[0097] The output end of the second comparator U2D (corresponding to pin 13) is connected to one end of the heating module VS201.

[0098] When the voltage signal is greater than the adjusted threshold signal, the second comparator U2D outputs a low level, and the heating module VS201 is cut off.

[0099] When the voltage signal is less than the adjusted threshold signal, the output of the second comparator U2D is high level, and the heating module VS201 is controlled to work.

[0100] In some embodiments, Figure 2 As shown, the switch circuit 204 includes a first transistor VT201 and a second transistor VT202, both of which are NPN transistors and have a switch function.

[0101] Specifically, the base of the first transistor VT201 is connected to the output end (corresponding to pin 13) of the second comparator U2D through the twentieth resistor R218 and the twenty-first resistor R219 connected in series, for receiving the control level.

[0102] The base of the second transistor VT202 is connected to the emitter of the first transistor VT201.

[0103] The collectors of the first transistor VT201 and the second transistor VT202 are connected to the power supply terminal (corresponding to 36V).

[0104] The emitter of the second transistor VT202 is connected to one end of the heating module VS201.

[0105] When the second comparator U2D outputs a low level, the first transistor VT201 and the second transistor VT202 are turned off, and the heating module VS201 does not work;

[0106] When the second comparator U2D outputs a high level, the first transistor VT201 and the second transistor VT202 are controlled to be turned on, and the heating module VS201 works.

[0107] In some embodiments, Figure 1 As shown, it also includes a power supply module 101, wherein the input end of the power supply module 101 is connected to the power supply end, and is used to receive a power supply signal and perform voltage stabilization processing on the input power supply signal;

[0108] The output end of the power module 101 is connected to the power input end (corresponding to pin 17) of the main control module 100 through a first resistor R101 and a second resistor R102 connected in series.

[0109] In some embodiments, Figure 1 As shown, the power module 101 includes a power chip module A101,

[0110] The input terminal (corresponding to pin 1) of the power chip module A101 is connected to the power terminal to receive the power signal.

[0111] The output end (corresponding to pin 2) of the power chip module A101 is connected to the power input end (corresponding to pin 17) of the main control module 100 to input a 5V power signal into the main control module 100 .

[0112] For example:

[0113] The temperature adjustment control process is as follows: when the circuit is just connected, the potential at point A is lower than that at point B, the output of the first comparator U2C is high level (such as 6V), the threshold range of the threshold signal is controlled and adjusted through the mobile APP (such as 10V-20V), the output end of the second comparator U2D (corresponding to pin 13) outputs a high level, the first transistor VT201 and the second transistor VT202 are controlled to be turned on, and the 36V power supply supplies power to the heating module VS201, so that it heats up and the temperature of the kettle increases;

[0114] When the output of the first comparator U2C is high level (such as 6V), the threshold range of the threshold signal (such as 5V) is controlled and adjusted through the mobile APP, the output end (corresponding to pin 13) of the second comparator U2D outputs a low level, the first transistor VT201 and the second transistor VT202 are controlled to be turned off, and the heating module VS201 does not work;

[0115] When the potential at point A is higher than the potential at point B, the output of the first comparator U2C is a low level (such as 2V), the inverting end of the second comparator U2D (corresponding to pin 12) is a low level, and the threshold range of the threshold signal is controlled and adjusted through the mobile APP (such as 4V). The output end of the second comparator U2D (corresponding to pin 13) outputs a high level, the first transistor VT201 and the second transistor VT202 are controlled to be turned on, and the heating module VS201 works.

[0116] The embodiments of the utility model are described above in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the utility model, ordinary technicians in this field can also make many forms without departing from the scope of protection of the utility model and the claims, which all fall within the protection of the utility model.

Claims

1. An intelligent tea-making robot, comprising a control circuit for controlling the movement of a robot arm, characterized in that: The control circuit at least includes a main control module and a comparison control module, wherein: The main control module is provided with an adjustable threshold signal. The signal input end of the main control module is connected to the mobile terminal for communication, and is used to receive an adjustment signal input by the mobile terminal, wherein the adjustment signal is used to adjust the threshold range of the threshold signal; The reference signal terminal of the comparison control module is connected to the reference signal output terminal of the main control module, and is used to receive the adjusted threshold signal; An input terminal of the comparison control module is connected to the power supply terminal for receiving a voltage signal. The comparison control module is used to compare the voltage signal with the adjusted threshold signal, and control the working state of the heating module according to the comparison result.

2. The intelligent tea-making robot according to claim 1, characterized in that: The main control module at least includes a main controller, The receiving end of the main controller is connected to the mobile end for receiving the adjustment signal input by the mobile end. The temperature detection end of the main controller is configured at the extension of the heating module, and is used to obtain the temperature signal when the heating module is working. The reference signal output terminal of the main controller is connected to the input terminal of the comparison control module.

3. The intelligent tea-making robot according to claim 2, characterized in that: The main control module also includes a crystal oscillator circuit. The crystal oscillator circuit is used to generate a pulse clock signal. One end of the crystal oscillator circuit is connected to a crystal oscillator feedback end of the main controller, The other end of the crystal oscillator circuit is connected to another crystal oscillator feedback end of the main controller.

4. The intelligent tea-making robot according to claim 2, characterized in that: The comparison control module at least includes a first operational amplifier, a second operational amplifier, a first comparator and a second comparator. The inverting terminal of the first operational amplifier and the non-inverting terminal of the second operational amplifier are connected to the power supply terminal. The non-inverting terminal of the first operational amplifier is connected to the output terminal, The inverting terminal of the second operational amplifier is connected to the output terminal, The non-inverting terminal of the first comparator is connected to the output terminal of the second operational amplifier, The inverting terminal of the first comparator is connected to the output terminal of the first operational amplifier, The non-inverting terminal of the second comparator is connected to the reference signal output terminal of the main controller, The inverting terminal of the second comparator is connected to the output terminal of the first comparator, The output terminal of the second comparator is connected to one end of the heating module. When the voltage signal is greater than the adjusted threshold signal, the second comparator outputs a low level, and the heating module is turned off. When the voltage signal is less than the adjusted threshold signal, the second comparator outputs a high level, and the heating module is controlled to operate.

5. The intelligent tea-making robot according to claim 4, characterized in that: The comparison control module also includes a first transistor and a second transistor. The base of the first transistor is connected to the output terminal of the second comparator for receiving a control level. The base of the second transistor is connected to the emitter of the first transistor, The collectors of the first transistor and the second transistor are connected to the power supply terminal. The emitter of the second transistor is connected to one end of the heating module. When the second comparator outputs a high level, the first transistor and the second transistor are controlled to be turned on, and the heating module works.

6. The intelligent tea-making robot according to claim 5, characterized in that: The first transistor and the second transistor are selected as NPN transistors.

7. The intelligent tea-making robot according to any one of claims 1 to 6, characterized in that: It also includes a power module, the input end of which is connected to the power end and is used to receive a power signal. The output end of the power module is connected to the power input end of the main control module.

8. The intelligent tea-making robot according to claim 7, characterized in that: The power module includes a power chip module. The input end of the power chip module is connected to the power end to receive a power signal. The output end of the power chip module is connected to the power input end of the main control module.

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