Irrigation control valve based on low-power-consumption Bluetooth communication

Abstract

The utility model relates to an irrigation control valve based on low-power-consumption Bluetooth communication. The irrigation control valve comprises a low-power-consumption Bluetooth module; the control end of the valve control circuit is connected to the low-power-consumption Bluetooth module; and the power supply module is connected to the low-power-consumption Bluetooth module and the electromagnetic valve control circuit. A working power supply is provided for the low-power-consumption Bluetooth module and the valve control module through the power supply module, and the low-power-consumption Bluetooth module is in Bluetooth connection with a mobile phone of a user, so that the user can remotely set irrigation time, irrigation flow and the like through the mobile phone; after the low-power-consumption Bluetooth module receives information such as irrigation time or irrigation flow set by a user through a mobile phone, the low-power-consumption Bluetooth module controls the valve control circuit to work according to the irrigation time or irrigation flow set by the user, and plants are irrigated. The irrigation time and the irrigation flow of the irrigation control valve can be set remotely, and meanwhile the low-power-consumption Bluetooth module is adopted, so that the irrigation control valve is low in power consumption.

Description

Technical Field

[0001] The present application relates to the field of valve technology, and in particular to an irrigation control valve based on low-power Bluetooth communication. Background Art

[0002] Irrigation systems are usually used in farmland irrigation, garden irrigation and landscape irrigation to meet the water needs of planted plants. The irrigation control valve is a device that controls the irrigation system. The main function of the irrigation control valve is to control the switch and flow of water. It can open or close the irrigation water flow according to the preset time or the signal of the sensor to ensure that the plants are properly irrigated. However, the setting of the irrigation time of the existing irrigation control valve requires the user to set it on the irrigation control valve. When the user needs to set the irrigation time of the irrigation control valve, it is necessary to reach the location of the irrigation valve to set it. It is impossible to remotely set the irrigation time for the irrigation control valve, which brings a bad experience to the user. Utility Model Content

[0003] In view of the above problems, the present application provides an irrigation control valve based on low-power Bluetooth communication to solve the problem that the existing irrigation control valve cannot remotely set the irrigation time.

[0004] To achieve the above objectives, the inventor provides an irrigation control valve based on low-power Bluetooth communication, comprising:

[0005] Low-power Bluetooth module;

[0006] A valve control circuit, wherein a control end of the valve control circuit is connected to the low-power Bluetooth module;

[0007] A power module is connected to the low-power Bluetooth module and the solenoid valve control circuit.

[0008] In some embodiments, the low power Bluetooth module includes a Bluetooth chip TLSR8250.

[0009] In some embodiments, the power module includes a power management circuit and a boost circuit;

[0010] The power management circuit is connected to the power supply terminal of the low-power Bluetooth module, and the power management circuit is connected to the valve control circuit through a boost circuit;

[0011] The control end of the boost circuit is connected to the low-power Bluetooth module.

[0012] In some embodiments, the power management circuit includes:

[0013] A voltage stabilizing chip, wherein the input end of the voltage stabilizing chip is connected to a power source, and the output end of the voltage stabilizing chip is connected to the low-power Bluetooth module;

[0014] The boost circuit comprises:

[0015] An operational amplifier chip, wherein the input end of the operational amplifier chip is connected to a power supply, the output end of the operational amplifier chip is connected to the valve control circuit, and the enable end of the operational amplifier is connected to the low-power Bluetooth module.

[0016] In some embodiments, it also includes:

[0017] A voltage detection circuit, wherein the voltage detection circuit comprises a first voltage dividing circuit and a second voltage dividing circuit;

[0018] The input end of the first voltage divider circuit is connected to a power supply, and the output end of the first voltage divider circuit is connected to a low-power Bluetooth module;

[0019] The input end of the second voltage divider circuit is connected to the output end of the boost circuit, and the output end of the second voltage divider circuit is connected to the low-power Bluetooth module.

[0020] In some embodiments, the valve control circuit comprises:

[0021] A motor driving chip, wherein a signal input end of the motor driving chip is connected to a low-power Bluetooth module, a driving end of the motor driving chip is connected to a motor, and the motor is used to control the opening and closing of an irrigation control valve.

[0022] In some embodiments, a button module is also included, and the button module is connected to the low-power Bluetooth module.

[0023] In some embodiments, an LED indicator light is also included, and the LED indicator light is connected to the low-power Bluetooth module.

[0024] In some embodiments, a watchdog circuit is further included, and the watchdog circuit is connected to the low-power Bluetooth module.

[0025] In some embodiments, a flow detection circuit is also included, and the flow detection circuit is connected to the low-power Bluetooth module.

[0026] Different from the prior art, the above technical solution provides working power to the low-power Bluetooth module and the valve control module through the power module, and connects the low-power Bluetooth module to the user's mobile phone through Bluetooth. The user can remotely set the irrigation time and irrigation flow through the mobile phone. When the low-power Bluetooth module receives the irrigation time or irrigation flow set by the user through the mobile phone, it controls the valve control circuit to irrigate the plants according to the irrigation time or irrigation flow set by the user. The irrigation time and irrigation flow of the irrigation control valve can be set remotely, and the low-power Bluetooth module is used to make the irrigation control valve low in power consumption.

[0027] The above-mentioned records related to the content of the utility model are only an overview of the technical solution of the present application. In order to enable ordinary technicians in the field to more clearly understand the technical solution of the present application, and then implement it according to the text of the specification and the contents recorded in the drawings, and to make the above-mentioned purpose and other purposes, features and advantages of the present application easier to understand, the following is an explanation in combination with the specific implementation method and drawings of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The drawings are only used to illustrate the principles, implementation methods, applications, characteristics and effects of the specific embodiments of the present application and other related contents, and shall not be considered as limitations of the present application.

[0029] In the drawings of the specification:

[0030] Figure 1 A structural schematic diagram of an irrigation control valve based on low-power Bluetooth communication according to a specific implementation method;

[0031] Figure 2 A circuit schematic diagram of a low-power Bluetooth module described in a specific implementation method;

[0032] Figure 3 A circuit schematic diagram of a power management circuit described in a specific implementation manner;

[0033] Figure 4 A circuit schematic diagram of a boost circuit described in a specific implementation manner;

[0034] Figure 5 A circuit schematic diagram of a voltage detection circuit described in a specific implementation manner;

[0035] Figure 6 A circuit schematic diagram of the valve control circuit described in the specific implementation manner;

[0036] Figure 7 A circuit schematic diagram of the key module described in the specific implementation method;

[0037] Figure 8 A circuit schematic diagram of the LED indicator light described in the specific implementation method;

[0038] Fig. 9 A circuit schematic diagram of the watchdog circuit described in the specific implementation manner;

[0039] Fig.10 A circuit schematic diagram of a flow detection circuit described in a specific implementation manner.

[0040] The reference numerals in the above drawings are described as follows:

[0041] 110. Low-power Bluetooth module,

[0042] 120. Valve control module,

[0043] 130. Power module,

[0044] 131. Power management circuit,

[0045] 132. Boost circuit,

[0046] 140. Button module,

[0047] 150.LED indicator light. DETAILED DESCRIPTION

[0048] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0049] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0050] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0051] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships may exist, for example, A and / or B, which means: A exists, B exists, and A and B exist at the same time. In addition, the character " / " in this article generally indicates that the objects before and after are in an "or" logical relationship.

[0052] In the present application, terms such as “first” and “second” are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship of quantity, priority or sequence between these entities or operations.

[0053] Without further limitations, in this application, the words "include", "comprises", "has" or other similar expressions used in the sentences are intended to cover non-exclusive inclusion. These expressions do not exclude the presence of additional elements in the process, method or product including the elements, so that the process, method or product including a series of elements may include not only those limited elements, but also other elements not explicitly listed, or also include elements inherent to such process, method or product.

[0054] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceed" and the like are understood to exclude the number itself; expressions such as "above", "below", "within" and the like are understood to include the number itself. In addition, in the description of the embodiments of this application, "multiple" means more than two (including two), and similar expressions related to "multiple" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise clearly and specifically limited.

[0055] In the description of the embodiments of the present application, space-related expressions used, such as "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "vertical", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or position relationship based on the orientation or position relationship shown in the specific embodiments or drawings, and are only for the convenience of describing the specific embodiments of the present application or facilitating the reader's understanding, and do not indicate or imply that the referred device or component must have a specific position, a specific orientation, or be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0056] Unless otherwise expressly specified or limited, in the description of the embodiments of the present application, the terms such as "install", "connect", "connect", "fix", "set", etc. used should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integrated setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For technicians in the technical field to which the present application belongs, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0057] See also Figure 1 , this embodiment provides an irrigation control valve based on low-power Bluetooth communication, including:

[0058] Low power Bluetooth module 110;

[0059] A valve control circuit, wherein a control end of the valve control circuit is connected to the low-power Bluetooth module 110;

[0060] The power module 130 is connected to the low-power Bluetooth module 110 and the solenoid valve control circuit.

[0061] The power module 130 provides working power to the low-power Bluetooth module 110 and the valve control module 120. The low-power Bluetooth module 110 is connected to the user's mobile phone through Bluetooth. The user can remotely set the irrigation time and irrigation flow through the mobile phone. When the low-power Bluetooth module 110 receives the irrigation time or irrigation flow set by the user through the mobile phone, the valve control circuit is controlled according to the irrigation time or irrigation flow set by the user to irrigate the plants. The irrigation time and irrigation flow of the irrigation control valve can be set remotely, and the low-power Bluetooth module 110 is used to make the irrigation control valve low in power consumption.

[0062] See also Figure 2 In some embodiments, the low-power Bluetooth module 110 includes a Bluetooth chip TLSR8250. The low-power Bluetooth module 110 uses the Tuya BTU module, which is a low-power embedded Bluetooth module developed by Tuya Smart. It is mainly composed of a highly integrated Bluetooth chip TLSR8250 and a small number of peripheral circuits, with a built-in Bluetooth network communication protocol stack and rich library functions. The BTU module uses an onboard PCB antenna with an antenna gain of 1.08dBi. The operating frequency is 2.4GHz ISM band, Bluetooth LE5.0 wireless standard. The IO port of TLSR8250 is led out to the module pin to achieve direct control of the irrigation control valve. After the device enters the sleep state, it wakes up every 1S, and then enters the sleep state again to achieve low power consumption.

[0063] See also Figure 1 , in some embodiments, the power module 130 includes a power management circuit 131 and a boost circuit 132;

[0064] The power management circuit 131 is connected to the power supply end of the low-power Bluetooth module 110, and the power management circuit 131 is connected to the valve control circuit through the boost circuit 132;

[0065] A control end of the boost circuit 132 is connected to the Bluetooth low energy module 110 .

[0066] The power management circuit 131 provides working power for the low-power Bluetooth module 110, and the power management circuit 131 provides working power for the valve control circuit after boosting the voltage through the boost circuit 132, thereby meeting the different working power requirements of the low-power Bluetooth module 110 and the valve control circuit.

[0067] See also Figure 3-4 In some embodiments, the power management circuit 131 includes:

[0068] A voltage stabilizing chip U1, wherein the input end of the voltage stabilizing chip U1 is connected to a power source, and the output end of the voltage stabilizing chip U1 is connected to the low power consumption Bluetooth module 110;

[0069] The boost circuit 132 includes:

[0070] The operational amplifier chip U4 has an input end connected to a power supply, an output end connected to the valve control circuit, and an enable end connected to the low power consumption Bluetooth module 110 .

[0071] In the power management circuit 131, after the input power is stabilized by the voltage regulator chip U1, the output meets the 3V3 working power requirement of the low-power Bluetooth module 110. The operational amplifier chip U4 boosts the input power and then provides VCC24V working power to the valve control circuit to meet the working power requirement of the valve control circuit. Among them, the voltage regulator chip U1 and the operational amplifier chip U4 can use batteries as input power. In other embodiments, other power sources can also be used as input power sources, such as solar cells or processed mains electricity.

[0072] In some embodiments, it also includes:

[0073] A voltage detection circuit, wherein the voltage detection circuit comprises a first voltage dividing circuit and a second voltage dividing circuit;

[0074] The input end of the first voltage divider circuit is connected to a power supply, and the output end of the first voltage divider circuit is connected to the low power consumption Bluetooth module 110;

[0075] An input end of the second voltage divider circuit is connected to an output end of the boost circuit 132 , and an output end of the second voltage divider circuit is connected to the low power consumption Bluetooth module 110 .

[0076] Among them, Figure 5As shown, the first voltage-dividing circuit composed of resistors R7 and R8 collects the voltage of the input power supply, and the second voltage-dividing circuit composed of resistors R9, R10, R11 and R12 collects the voltage output by the boosting circuit 132. When it is detected that the voltage collected by the first voltage-dividing circuit or the second voltage-dividing circuit is too low or too high, the low-power Bluetooth module 110 can adjust the boosting circuit 132 so that the boosting circuit 132 can output a stable working power supply for the valve control circuit.

[0077] In some embodiments, the valve control circuit comprises:

[0078] A motor driving chip, wherein a signal input end of the motor driving chip is connected to the low-power Bluetooth module 110, and a driving end of the motor driving chip is connected to a motor, and the motor is used to control the opening and closing of the irrigation control valve.

[0079] The irrigation control valve may adopt a motor valve, and the valve control circuit may adopt a motor driver chip, and the motor driver chip may be used to control the working state of the motor of the motor valve, thereby controlling the operation of the irrigation control valve. In other embodiments, the irrigation control valve may also adopt a solenoid valve, and the corresponding valve control circuit may adopt a solenoid valve control circuit. Figure 6 The valve control circuit shown includes two motor drive chips: U2 and U3, which control two motors respectively.

[0080] See also Figure 1 and Figure 7 In some embodiments, a button module 140 is further included, and the button module 140 is connected to the low-power Bluetooth module 110 .

[0081] By configuring the button module 140 on the irrigation control valve, the user can set the irrigation time or irrigation flow rate of the irrigation control valve through the button module 140 .

[0082] See also Figure 1 and Figure 8 In some embodiments, an LED indicator light 150 is also included, and the LED indicator light 150 is connected to the low-power Bluetooth module 110 .

[0083] By providing an LED indicator light 150 on the irrigation control valve, the working status of the irrigation control valve can be indicated by the LED indicator light 150, and the user can judge whether the irrigation control valve is working normally according to the LED indicator light 150. When the LED indicator light 150 shows a working status and the irrigation control valve is not irrigating, it can be judged that the irrigation control valve has a fault, so that the user can repair the irrigation control valve in time.

[0084] See also Fig. 9In some embodiments, a watchdog circuit is also included, and the watchdog circuit is connected to the low-power Bluetooth module 110.

[0085] When the operation status of the low-power Bluetooth module 110 is checked through the watchdog circuit, when an error is detected in the operation of the low-power Bluetooth module 110, the watchdog circuit can send a restart signal to the low-power Bluetooth module 110 to restart the low-power Bluetooth module 110 and restart it.

[0086] See also Fig.10 In some embodiments, a flow detection circuit is also included, and the flow detection circuit is connected to the low-power Bluetooth module 110.

[0087] A flow detection circuit is set in the irrigation control valve, and the irrigation flow of the irrigation control valve can be detected by the flow detection circuit, and the user can check the irrigation flow of the irrigation control valve through a mobile phone. At the same time, the low-power Bluetooth module 110 can also adjust the flow of the irrigation control valve according to the detected irrigation flow.

[0088] In the above embodiment, the irrigation control valve based on low-power Bluetooth communication provides a Bluetooth connection APP to remotely set the irrigation start time, irrigation interval time and irrigation duration to achieve a timed irrigation function, and uses a pulse solenoid valve or a motor valve as a water flow control device to meet the needs of watering flowers with a water pressure source in a garden, courtyard, etc. The working status of the irrigation control valve can be remotely viewed through the APP, and it also has a manual control function, and the pulse solenoid valve or the motor valve can be controlled to open or close through the buttons on the panel or the manual function button on the APP.

[0089] Among them, the test data of the irrigation control valve based on low-power Bluetooth communication is as follows:

[0090]

[0091]

[0092] From the test data, it can be seen that the irrigation control valve based on low-power Bluetooth communication has the advantage of low power consumption. At the same time, the irrigation control valve can be implemented in an open field, and the Bluetooth transmission and reception distance can reach more than 100m.

[0093] Finally, it should be noted that although the above embodiments have been described in the specification and drawings of this application, this does not limit the scope of patent protection of this application. All technical solutions generated by replacing or modifying equivalent structures or equivalent processes based on the essential concept of this application using the contents recorded in the specification and drawings of this application, as well as directly or indirectly implementing the technical solutions of the above embodiments in other related technical fields, are included in the scope of patent protection of this application.

Claims

1. An irrigation control valve based on low-power Bluetooth communication, characterized in that: include: Low-power Bluetooth module; A valve control circuit, wherein a control end of the valve control circuit is connected to the low-power Bluetooth module; A power module is connected to the low-power Bluetooth module and the solenoid valve control circuit.

2. The irrigation control valve based on low-power Bluetooth communication according to claim 1, characterized in that: The low-power Bluetooth module includes a Bluetooth chip TLSR8250.

3. The irrigation control valve based on low-power Bluetooth communication according to claim 1, characterized in that: The power module includes a power management circuit and a boost circuit; The power management circuit is connected to the power supply terminal of the low-power Bluetooth module, and the power management circuit is connected to the valve control circuit through a boost circuit; The control end of the boost circuit is connected to the low-power Bluetooth module.

4. The irrigation control valve based on low-power Bluetooth communication according to claim 3, characterized in that: The power management circuit comprises: A voltage stabilizing chip, wherein the input end of the voltage stabilizing chip is connected to a power source, and the output end of the voltage stabilizing chip is connected to the low-power Bluetooth module; The boost circuit comprises: An operational amplifier chip, wherein the input end of the operational amplifier chip is connected to a power supply, the output end of the operational amplifier chip is connected to the valve control circuit, and the enable end of the operational amplifier is connected to the low-power Bluetooth module.

5. The irrigation control valve based on low-power Bluetooth communication according to claim 3, characterized in that: Also includes: A voltage detection circuit, wherein the voltage detection circuit comprises a first voltage dividing circuit and a second voltage dividing circuit; The input end of the first voltage divider circuit is connected to a power supply, and the output end of the first voltage divider circuit is connected to a low-power Bluetooth module; The input end of the second voltage divider circuit is connected to the output end of the boost circuit, and the output end of the second voltage divider circuit is connected to the low-power Bluetooth module.

6. The irrigation control valve based on low-power Bluetooth communication according to claim 1, characterized in that: The valve control circuit comprises: A motor driving chip, wherein a signal input end of the motor driving chip is connected to a low-power Bluetooth module, a driving end of the motor driving chip is connected to a motor, and the motor is used to control the opening and closing of an irrigation control valve.

7. The irrigation control valve based on low-power Bluetooth communication according to claim 1, characterized in that: It also includes a key module, which is connected to the low-power Bluetooth module.

8. The irrigation control valve based on low-power Bluetooth communication according to claim 1, characterized in that: It also includes an LED indicator light, which is connected to the low-power Bluetooth module.

9. The irrigation control valve based on low-power Bluetooth communication according to claim 1, characterized in that: It also includes a watchdog circuit, which is connected to the low-power Bluetooth module.

10. The irrigation control valve based on low-power Bluetooth communication according to claim 1, characterized in that: It also includes a flow detection circuit, which is connected to the low-power Bluetooth module.

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