Automatic traditional Chinese medicinal material decocting equipment comprising upper and lower sets of decoctors

Abstract

The utility model relates to the technical field of medicine decocting equipment, in particular to automatic traditional Chinese medicine decocting equipment comprising an upper set of decocting devices and a lower set of decocting devices, which comprises the upper decocting device, the lower decocting device, a control panel, a water tank, an upper main body and a lower main body, and the upper main body, the water tank and the control panel are all installed on the lower main body. The upper decocting device and the lower decocting device are installed on the upper main body and the lower main body respectively, the upper decocting device is communicated with the lower decocting device through an electromagnetic valve, the upper decocting device is communicated with a water tank through a water pump, and the upper decocting device, the lower decocting device, the water pump and the electromagnetic valve are all electrically connected with a control panel. According to the utility model, the upper and lower two groups of decoction devices are arranged, so that the functions of primary decoction, secondary decoction, tertiary decoction, primary concentration, secondary concentration, tertiary concentration and first decoction of part of medicinal materials are realized, the effective components of the traditional Chinese medicinal materials can be scientifically and fully extracted, and different medicinal materials are decocted in a personalized or medical advice manner; and use requirements of users are met.

Description

Technical Field

[0001] The utility model relates to the technical field of medicine decocting equipment, in particular to an automatic Chinese medicinal material decocting equipment comprising an upper and a lower group of decoction devices. Background Art

[0002] Most of the existing decocting equipment are a decoction device, which uses a single decoction device to soak the Chinese medicinal materials, control the decoction time and temperature, and complete the decoction of the medicinal materials at one time. This method is essentially no different from the method of decocting Chinese medicinal materials by ordinary families through other food decoction equipment. Chinese medicinal materials with different properties are treated uniformly, and it is impossible to decoct different medicinal materials in a personalized or doctor-ordered manner, and it is difficult to reasonably and fully extract the effective ingredients of Chinese medicinal materials. The root cause is that the single decoction device cannot meet the requirements of traditional Chinese medicinal materials that need to be decocted three times, concentrated three times, and some special Chinese medicinal materials need to be decocted first. It is inconvenient to use and requires more manpower and time. Utility Model Content

[0003] The technical problem to be solved by the utility model is that, in view of the above-mentioned defects of the prior art, an automated Chinese medicinal material decocting device comprising an upper and lower group of decoction devices is provided. By arranging the upper and lower groups of decoction devices, the functions of one-time decoction, two-time decoction, three-time decoction, one-time concentration, two-time concentration, three-time concentration and pre-decocting of some medicinal materials can be realized, thereby achieving the essence of traditional Chinese medicine decoction of Chinese medicinal materials, scientifically and fully extracting the effective ingredients of Chinese medicinal materials, decocting different medicinal materials in a personalized or doctor-ordered manner, meeting the needs of users, being more convenient to use, and saving manpower and time.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] An automated Chinese medicinal material decoction device comprising an upper and lower group of decoction vessels, comprising an upper decoction vessel, a lower decoction vessel, a control panel, a water tank, an upper main body and a lower main body, wherein the upper main body, the water tank and the control panel are all mounted on the lower main body, the upper decoction vessel and the lower decoction vessel are respectively mounted on the upper main body and the lower main body, the upper decoction vessel is connected to the lower decoction vessel via an electromagnetic valve, the upper decoction vessel is connected to the water tank via a water pump, and the upper decoction vessel, the lower decoction vessel, the water pump and the electromagnetic valve are all electrically connected to the control panel.

[0006] Preferably, the upper boiler is provided with a cover, the bottom of the cover is connected to a medicine pressing plate, and the water pump is provided with a flow meter.

[0007] Preferably, a heating plate is disposed at the bottom of the upper boiler and the lower boiler, a thermostat and a temperature fuse are disposed at the bottom of the heating plate, and the thermostat is connected to the heating plate, the temperature fuse and the control panel respectively.

[0008] Preferably, a water level sensor, a fan and an exhaust passage are provided on the inner wall of the upper body, and the water level sensor and the fan are electrically connected to the control panel.

[0009] Preferably, the control panel is connected to a program control board and a power board, the program control board includes an encoder, a heating tube control circuit, a fuse detection circuit, a zero-crossing detection circuit, a solenoid valve control circuit, a fan control circuit and a water pump control circuit, and the heating tube control circuit, the fuse detection circuit, the zero-crossing detection circuit, the solenoid valve control circuit, the fan control circuit and the water pump control circuit are all electrically connected to the encoder.

[0010] Preferably, the power board includes an AC-DC power conversion circuit and a DC-DC step-down circuit, and the DC-DC step-down circuit is electrically connected to the AC-DC power conversion circuit and the encoder, respectively.

[0011] Preferably, the heating tube control circuit includes an interface PC3, an interface PC5, a transistor SCR1, a photocoupler IC2, a relay REL1, a diode D5, a transistor Q3 and a resistor R25. The transistor SCR1 is respectively connected to the interface PC3 and the photocoupler IC2, the relay PEL1 is respectively connected to the transistor SCR1, the interface PC5, the diode D5 and the transistor Q3, and the transistor Q3 is connected to the encoder via the resistor R25.

[0012] Preferably, the fuse detection circuit includes an interface PC4, an interface PC6, a resistor R17, a resistor R13, a photocoupler IC3, a photocoupler IC4, a resistor R18 and a resistor R24, the interface PC4 and the interface PC6 are respectively connected to the resistor R17 and the resistor R23, the photocoupler IC3 is respectively connected to the resistor R17 and the resistor R18, the photocoupler IC4 is respectively connected to the resistor R23 and the resistor R24, and the resistor R18 and the resistor R24 ​​are both connected to the encoder; the zero-crossing detection circuit includes a resistor R28, a photocoupler IC5, a resistor R27 and a resistor R29, and the photocoupler IC5 is respectively connected to the resistor R27, the resistor R28 and the resistor R29.

[0013] Preferably, the solenoid valve control circuit includes an interface PC7, a transistor SCR2, a photocoupler IC6 and a resistor R31, and the photocoupler IC6 is respectively connected to the transistor SCR2, the interface PC7, the resistor R31 and the encoder; the fan control circuit includes an interface CN1, a transistor Q1, a resistor R9 and a resistor R10, and the transistor Q1 is respectively connected to the interface CN1, the resistor R9 and the resistor R10; the water pump control circuit includes an interface CN2, a transistor Q2, a resistor R19 and a resistor R20, and the transistor Q2 is respectively connected to the interface CN2, the resistor R19 and the resistor R20, and the resistor R9 and the resistor R19 are both connected to the encoder.

[0014] Preferably, the AC-DC power conversion circuit includes a power interface PC1, a power interface PC2, a rectifier bridge BD1, an inductor L1, a transformer T1 and a power management chip IC1, the rectifier bridge BD1 is respectively connected to the power interface PC1, the power interface PC2 and the inductor L1, and the power management chip IC1 is respectively connected to the inductor L1 and the transformer T1; the DC-DC step-down circuit includes a capacitor EC1, a voltage conversion chip U1 and a capacitor EC2, and the voltage conversion chip U1 is respectively connected to the power management chip IC1, the capacitor EC1 and the capacitor EC2.

[0015] By adopting the above technical scheme, the utility model provides an automated Chinese medicinal material decoction device comprising an upper and lower group of decoction devices, which has the following beneficial effects: the upper main body, the water tank and the control panel in the automated Chinese medicinal material decoction device are all installed on the lower main body, the upper decoction device and the lower decoction device are respectively installed on the upper main body and the lower main body, the upper decoction device is connected with the lower decoction device through an electromagnetic valve, the upper decoction device is connected with the water tank through a water pump, the upper decoction device, the lower decoction device, the water pump and the electromagnetic valve are all electrically connected to the control panel, and by setting the upper and lower groups of decoction devices and coordinating the control panel to set a specific program with adjustable water volume / time setting, the functions of one-time decoction, two-time decoction, three-time decoction, one-time concentration, two-time concentration, three-time concentration and pre-decoction of some medicinal materials are realized, thereby achieving the essence of traditional Chinese medicine decoction of Chinese medicinal materials, scientifically and fully extracting the effective ingredients of Chinese medicinal materials, and decocting different medicinal materials in a personalized or doctor-ordered manner, meeting the needs of users, being more convenient to use, and saving manpower and time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a cross-sectional view of the first embodiment of the utility model;

[0018] Figure 3 It is a cross-sectional view of the second embodiment of the utility model;

[0019] Figure 4 It is a cross-sectional view of the third embodiment of the present utility model;

[0020] Figure 5 It is the front view of the utility model;

[0021] Figure 6 This is a circuit diagram of the program control board and the power board in the utility model;

[0022] Figure 7 This is a circuit schematic diagram of the control panel in the utility model;

[0023] In the figure, 1-upper boiler, 2-lower boiler, 3-control panel, 4-water tank, 5-upper body, 6-lower body, 7-lid, 8-medicine pressing plate, 9-solenoid valve, 10-water pump, 11-flow meter, 12-heating plate, 13-thermostat, 14-temperature fuse, 15-water level sensor, 16-fan, 17-exhaust channel, 18-program control board, 19-power board. DETAILED DESCRIPTION

[0024] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] like Figure 1-7As shown, the automated Chinese herbal medicine decoction equipment including two groups of upper and lower decoction devices includes an upper decoction device 1, a lower decoction device 2, a control panel 3, a water tank 4, an upper body 5 and a lower body 6. The upper body 5, the water tank 4 and the control panel 3 are all installed on the lower body 6. The upper decoction device 1 and the lower decoction device 2 are installed on the upper body 5 and the lower body 6 respectively. The upper decoction device 1 is connected to the lower decoction device 2 through a solenoid valve 9. The upper decoction device 1 is connected to the water tank 4 through a water pump 10. The upper decoction device 1, the lower decoction device 2, the water pump 10 and the solenoid valve 9 are all electrically connected to the control panel 3. It can be understood that a normally closed solenoid valve 9 is provided at the bottom of the upper decoction device 1. When the predetermined decoction program is completed, the solenoid valve 9 is opened, and the medicinal liquid flows into the lower decoction device 2 under the action of gravity.

[0028] Specifically, the upper decoction vessel 1 is provided with a lid 7, and a medicine pressing plate 8 is connected to the bottom of the lid 7. By providing the medicine pressing plate 8, when the medicinal materials are added and the upper decoction vessel lid 7 is covered, the medicinal materials are pressed to the liquid surface for effective immersion. The medicine pressing plate 8 is adjustable up and down, and the height of the medicine pressing plate 8 can be adjusted according to the amount of medicinal materials used; a flow meter 11 is provided on the water pump 10. The water pump 10 and the flow meter 11 are provided, and quantitative water can be added through program setting; a heating plate 12 is provided at the bottom of the upper decoction vessel 1 and the lower decoction vessel 2, and the heating power and heating time can be controlled by program to realize scientific control of civil and military fire; the upper decoction vessel is provided with a negative temperature coefficient temperature sensor 36, which can control the heating temperature of the medicinal liquid; a temperature control plate 12 is provided at the bottom of the heating plate 12 The upper body 5 is provided with a water level sensor 15, a fan 16 and an exhaust passage 17 on the inner wall of the upper body 5. The water level sensor 15 and the fan 16 are electrically connected to the control panel 3. When the water level in the upper boiler 1 is lower than the position of the water level sensor 15, the power supply can be cut off to prevent dry burning. The upper boiler 1 is provided with a temperature fuse. When the thermostat 13 and the water level sensor 15 fail, the upper boiler 1 can be prevented from continuing to heat and avoid fire. The bottom of the lower boiler 2 is provided with a heating disk, and the bottom of the heating disk is provided with a thermostat to prevent dry burning. A temperature fuse is provided, which will fuse when the thermostat fails, and cut off the circuit to avoid fire.

[0029] Specifically, the control panel 3 is connected to a program control board 18 and a power board 19, and the program control board 3 includes an encoder, a heating tube control circuit, a fuse detection circuit, a zero-crossing detection circuit, a solenoid valve control circuit, a fan control circuit and a water pump control circuit, and the heating tube control circuit, the fuse detection circuit, the zero-crossing detection circuit, the solenoid valve control circuit, the fan control circuit and the water pump control circuit are all electrically connected to the encoder; the power board includes an AC-DC power conversion circuit and a DC-DC step-down circuit, and the DC-DC step-down circuit is electrically connected to the AC-DC power conversion circuit and the encoder respectively; the heating tube control circuit includes an interface PC3, an interface PC5, a transistor SCR1, a photodiode SCR2, a photodiode SCR3, a photodiode SCR4, a photodiode SCR5, a photodiode SCR6, a photodiode SCR7, a photodiode SCR8, a photodiode SCR9, a photodiode SCR10, a photodiode SCR11, a photodiode SCR12, a photodiode SCR13, a photodiode SCR14, a photodiode SCR15, a photodiode SCR26, a photodiode SCR8, a photodiode SCR9, a photodiode SCR16, a photodiode SCR17, a photodiode SCR18, a photodiode SCR19, a photodiode SCR11, a photodiode SCR11, a photodiode SCR12, a photodiode SCR13, a photodiode SCR14, a photodiode SCR15, a photodiode SCR16, a photodiode SCR18, a photodiode SCR19, a photodiode SCR1 ... The electric coupler IC2, the relay REL1, the diode D5, the transistor Q3 and the resistor R25, the transistor SCR1 is connected to the interface PC3 and the photoelectric coupler IC2 respectively, the relay PEL1 is connected to the transistor SCR1, the interface PC5, the diode D5 and the transistor Q3 respectively, the transistor Q3 is connected to the encoder via the resistor R25; the fuse detection circuit includes an interface PC4, an interface PC6, a resistor R17, a resistor R13, a photoelectric coupler IC3, a photoelectric coupler IC4, a resistor R18 and a resistor R24, the interface PC4 and the interface PC6 are connected to the resistor R17 and the resistor R23 respectively, the photoelectric coupler IC3 is connected to the resistor R1 7 and resistor R18, the photocoupler IC4 is connected to the resistor R23 and resistor R24 ​​respectively, and the resistor R18 and resistor R24 ​​are both connected to the encoder; the zero-crossing detection circuit includes a resistor R28, a photocoupler IC5, a resistor R27 and a resistor R29, and the photocoupler IC5 is connected to the resistor R27, the resistor R28 and the resistor R29 respectively; the solenoid valve control circuit includes an interface PC7, a transistor SCR2, a photocoupler IC6 and a resistor R31, and the photocoupler IC6 is connected to the transistor SCR2, the interface PC7, the resistor R31 and the encoder respectively; the fan control circuit includes an interface CN1, a transistor Q1, a resistor R9 and a resistor R 10, the transistor Q1 is respectively connected to the interface CN1, the resistor R9 and the resistor R10; the water pump control circuit includes an interface CN2, a transistor Q2, a resistor R19 and a resistor R20, the transistor Q2 is respectively connected to the interface CN2, the resistor R19 and the resistor R20, the resistor R9 and the resistor R19 are both connected to the encoder; the AC-DC power conversion circuit includes a power interface PC1, a power interface PC2, a rectifier bridge BD1, an inductor L1, a transformer T1 and a power management chip IC1, the rectifier bridge BD1 is respectively connected to the power interface PC1, the power interface PC2 and the inductor L1, the power management chip IC1 is respectively connected to the inductor L1 and the transformer T1;The DC-DC step-down circuit includes a capacitor EC1, a voltage conversion chip U1 and a capacitor EC2, and the voltage conversion chip U1 is connected to the power management chip IC1, the capacitor EC1 and the capacitor EC2 respectively. It can be understood that the control panel includes buttons SW1-SW4, indicator lights LED1-LED4, etc. The encoder can be a universal encoder, etc., and the working state of each circuit is controlled by sending a signal, thereby controlling the progress of the decoction program. ;

[0030] It can be understood that the lower decoction vessel 2 concentrates the liquid medicine flowing down from the upper decoction vessel 1 according to a predetermined procedure. The inner wall of the lower body is provided with a water level sensor (20). When the liquid medicine level in the lower decoction vessel is lower than the water level sensor, the concentration is stopped. It should be further explained that the water level sensor (20) can be set to monitor several different water levels at the same time. If the liquid medicine in the lower decoction vessel 2 has reached the highest water level, and there is still liquid medicine in the upper decoction vessel 1 that has not been completely discharged, the upper decoction vessel 1 should stop discharging medicine, and wait until the lower decoction vessel 2 is concentrated to a certain level before continuing to discharge medicine and completing the subsequent process; the upper decoction vessel 2 is concentrated to a certain level before continuing to discharge medicine and completing the subsequent process. The upper decoction vessel 1 is filled with water to a set amount for a second time according to a predetermined program, and a second decoction is performed according to a predetermined program. The heating time and the heating power are controlled by the predetermined program to realize the scientific control of the civil and military fires; after the upper decoction vessel 1 completes the second decoction according to the predetermined program, the normally closed electromagnetic valve 9 at the bottom is opened, and the medicinal liquid flows into the lower decoction vessel 2 for a second time under the action of gravity; the heating plate at the bottom of the lower decoction vessel 2 performs a second concentration on the mixed medicinal liquid of the first concentrated medicinal liquid and the second flowing medicinal liquid according to a predetermined program, and the concentration is stopped when the liquid level of the medicinal liquid in the lower decoction vessel 2 is lower than the water level sensor; the utility model is provided with a large-capacity detachable water tank 4; the utility model The utility model is provided with a fan 18, and the water vapor generated by the concentration is forcibly discharged through the internal exhaust channel 17 to avoid condensation of water vapor or corrosion of internal components; the utility model is provided with a power connector, which is respectively placed in the middle of the upper body and the bottom of the upper decoction device. When the connector in the upper decoction device 1 is coupled with the connector in the middle of the upper body 5, the upper decoction device 1 is powered; the utility model is provided with a contact 34. When the upper decoction device 1 is correctly placed on the upper body 5, the temperature sensor signal is transmitted to the program control board 20 through the contact to realize the control of the decoction temperature; the utility model is provided with a medicinal material holding inner cup 5 1. There are dense holes on the inner cup to prevent dust and impurities in the medicinal materials from entering the medicinal liquid channel and to prevent the channel from being blocked. It should be noted that the material of the inner cup 51 for containing medicinal materials must be a dense material, otherwise leakage will occur when encountering fine and powdery medicinal materials. At the same time, a filter can be set at the water outlet of the internal decoction device to filter to avoid blockage; a power board is set in the lower body 6 to transmit the mains power to each functional component according to the system requirements; a program control board is set in the lower body 6, on which various operation buttons and encoders are integrated for program setting and function operation.

[0031] It can be understood that the utility model has a reasonable design and a unique structure. By arranging two sets of upper and lower decoction devices and coordinating the control panel to set a specific adjustable water volume / time setting program, the functions of one-time decoction, two-time decoction, three-time decoction, one-time concentration, two-time concentration, three-time concentration and pre-decoction of some medicinal materials are realized, thereby achieving the essence of traditional Chinese medicine decoction of Chinese medicinal materials, scientifically and fully extracting the effective ingredients of Chinese medicinal materials, and decocting different medicinal materials in a personalized or doctor-ordered manner, meeting user needs, being more convenient to use, and saving manpower and time.

[0032] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. An automated Chinese herbal medicine decoction device comprising two sets of decoction vessels, the characteristics of which are: The utility model comprises an upper boiler, a lower boiler, a control panel, a water tank, an upper main body and a lower main body, wherein the upper main body, the water tank and the control panel are all installed on the lower main body, the upper boiler and the lower boiler are respectively installed on the upper main body and the lower main body, the upper boiler is connected with the lower boiler through a solenoid valve, the upper boiler is connected with the water tank through a water pump, and the upper boiler, the lower boiler, the water pump and the solenoid valve are all electrically connected with the control panel.

2. The automated Chinese herbal medicine decoction equipment according to claim 1, characterized in that: The upper decoction vessel is provided with a cover, the bottom of the cover is connected with a medicine pressing plate, and the water pump is provided with a flow meter.

3. The automated Chinese herbal medicine decoction equipment according to claim 1, characterized in that: The bottom of the upper boiler and the bottom of the lower boiler are both provided with a heating plate, the bottom of the heating plate is provided with a thermostat and a temperature fuse, and the thermostat is connected to the heating plate, the temperature fuse and the control panel respectively.

4. The automated Chinese herbal medicine decoction equipment according to claim 1, characterized in that: The inner wall of the upper body is provided with a water level sensor, a fan and an exhaust passage, and the water level sensor and the fan are both electrically connected to the control panel.

5. The automated Chinese herbal medicine decoction equipment according to claim 1, characterized in that: The control panel is connected to a program control board and a power board, and the program control board includes an encoder, a heating tube control circuit, a fuse detection circuit, a zero-crossing detection circuit, a solenoid valve control circuit, a fan control circuit and a water pump control circuit, and the heating tube control circuit, the fuse detection circuit, the zero-crossing detection circuit, the solenoid valve control circuit, the fan control circuit and the water pump control circuit are all electrically connected to the encoder.

6. The automated Chinese herbal medicine decoction equipment according to claim 5, characterized in that: The power board includes an AC-DC power conversion circuit and a DC-DC step-down circuit, and the DC-DC step-down circuit is electrically connected to the AC-DC power conversion circuit and the encoder respectively.

7. The automated Chinese herbal medicine decoction equipment according to claim 5, characterized in that: The heating tube control circuit includes an interface PC3, an interface PC5, a transistor SCR1, a photocoupler IC2, a relay REL1, a diode D5, a transistor Q3 and a resistor R25. The transistor SCR1 is connected to the interface PC3 and the photocoupler IC2 respectively, the relay PEL1 is connected to the transistor SCR1, the interface PC5, the diode D5 and the transistor Q3 respectively, and the transistor Q3 is connected to the encoder via the resistor R25.

8. The automated Chinese herbal medicine decoction equipment according to claim 5, characterized in that: The fuse detection circuit includes an interface PC4, an interface PC6, a resistor R17, a resistor R13, a photocoupler IC3, a photocoupler IC4, a resistor R18 and a resistor R24. The interface PC4 and the interface PC6 are respectively connected to the resistor R17 and the resistor R23, the photocoupler IC3 is respectively connected to the resistor R17 and the resistor R18, the photocoupler IC4 is respectively connected to the resistor R23 and the resistor R24, and the resistor R18 and the resistor R24 ​​are both connected to the encoder; the zero-crossing detection circuit includes a resistor R28, a photocoupler IC5, a resistor R27 and a resistor R29, and the photocoupler IC5 is respectively connected to the resistor R27, the resistor R28 and the resistor R29.

9. The automated Chinese herbal medicine decoction device according to claim 5, characterized in that: The solenoid valve control circuit includes an interface PC7, a transistor SCR2, a photocoupler IC6 and a resistor R31, and the photocoupler IC6 is respectively connected to the transistor SCR2, the interface PC7, the resistor R31 and the encoder; the fan control circuit includes an interface CN1, a transistor Q1, a resistor R9 and a resistor R10, and the transistor Q1 is respectively connected to the interface CN1, the resistor R9 and the resistor R10; the water pump control circuit includes an interface CN2, a transistor Q2, a resistor R19 and a resistor R20, and the transistor Q2 is respectively connected to the interface CN2, the resistor R19 and the resistor R20, and the resistor R9 and the resistor R19 are both connected to the encoder.

10. The automated Chinese herbal medicine decoction equipment according to claim 6, characterized in that: The AC-DC power conversion circuit includes a power interface PC1, a power interface PC2, a rectifier bridge BD1, an inductor L1, a transformer T1 and a power management chip IC1. The rectifier bridge BD1 is respectively connected to the power interface PC1, the power interface PC2 and the inductor L1, and the power management chip IC1 is respectively connected to the inductor L1 and the transformer T1; the DC-DC step-down circuit includes a capacitor EC1, a voltage conversion chip U1 and a capacitor EC2, and the voltage conversion chip U1 is respectively connected to the power management chip IC1, the capacitor EC1 and the capacitor EC2.

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