Nasal irrigator control circuit

Abstract

A nose punching device control circuit comprises a rectifier bridge, a filter capacitor, a switching power supply and a first microcontroller, the rectifier bridge is connected with a power supply and is provided with voltage by the power supply, the filter capacitor is connected to two ends of the rectifier bridge, an output end of the rectifier bridge is connected with the switching power supply, and the switching power supply is respectively connected to the first microcontroller and a load and provides voltage for the first microcontroller and the load. The standby device is connected in series between the power supply and the rectifier bridge and is used for closing or cutting off a circuit between the power supply and the rectifier bridge, and the output end of the controller is connected with the input end of the blocking clamp voltage holding module. According to the utility model, through the processing of the blocking clamp voltage holding module, the voltage value of the holding signal is always higher than the preset first voltage, thereby ensuring that the control module can accurately respond to the holding signal, and carrying out reliable closing operation on a target circuit.

Description

Technical Field

[0001] The utility model belongs to the technical field of nasal irrigator production, in particular to a nasal irrigator control circuit. Background Art

[0002] In recent years, the degree of environmental pollution has been escalating, and the air quality has declined. The dust and bacteria in the air that can be inhaled into the lungs will cause serious harm to human health, causing many people to suffer from respiratory diseases such as rhinitis, colds, tracheitis, pneumonia, etc. According to relevant data, 80% of diseases such as viral influenza, upper respiratory tract infections, bronchitis, pneumonia, etc. are caused by the pollution of the nasal cavity and the lack of proper cleaning and health care; people living in cities have more than 30 kinds of pathogens that can cause various diseases in their nasal cavities. The first line of defense for harmful substances in the air to enter the body is our nasal cavity. The bactericidal mucosa in the nasal cavity will first process the incoming particles and eliminate most of the intruders. Then the bactericidal substances and lytic cells in the nasal cavity will further disinfect the invading particles. Most of the harmful substances will be removed or disinfected, and some more difficult to handle substances will accumulate in the nasal cavity or be inhaled into the lungs with the human body's breathing, causing more serious damage to our body and even endangering human life. Therefore, the hygiene and health of the nasal cavity is very important.

[0003] However, the above device still has the following problems when in use: the DC isolation clamping voltage holding module of some nasal spray control circuits may have insufficient isolation performance when processing voltage control signals, which may cause voltage signal leakage or cross interference, affecting the normal operation of other circuits. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a nasal irrigation device control circuit to at least partially solve the above technical problems.

[0005] The technical solution adopted by the utility model is as follows:

[0006] The utility model proposes a nasal rinser control circuit, a rectifier bridge, a filter capacitor, a switching power supply and a first microcontroller, wherein the rectifier bridge is connected to the power supply and the power supply provides voltage for it, the filter capacitor is connected to both ends of the rectifier bridge, the output end of the rectifier bridge is connected to the switching power supply, the switching power supply is respectively connected to the first microcontroller and the load and provides voltage for them; and also includes a standby device, which is connected in series between the power supply and the rectifier bridge and closes or cuts off the circuit between the power supply and the rectifier bridge.

[0007] As a further solution of the utility model: it also includes: a controller, a DC isolation clamping voltage holding module and a control module;

[0008] The output end of the controller is connected to the input end of the DC isolation clamping voltage holding module, the output end of the DC isolation clamping voltage holding module is connected to the input end of the control module, and the output end of the control module is connected to the controlled target circuit;

[0009] The controller generates a voltage control signal and outputs the voltage control signal to the DC isolation clamp voltage holding module;

[0010] The DC isolation clamp voltage holding module receives the voltage control signal, and the voltage control signal is a pulse width modulation PWM signal or a level signal;

[0011] When the voltage control signal is a PWM signal, the DC isolation clamp voltage holding module performs a DC isolation clamp holding process on the PWM signal to obtain a holding signal, the voltage value of the holding signal is greater than a first preset voltage, and outputs the holding signal to the control module; the control module receives the holding signal and controls the target circuit to be closed based on the holding signal;

[0012] When the voltage control signal is a level signal, the DC isolation clamp voltage holding module isolates the level signal, so that the control module controls the target circuit to be disconnected.

[0013] As a further solution of the utility model: the standby device includes a relay, a drive circuit and a second microcontroller, the relay is connected in series to the circuit between the power supply and the rectifier bridge to close or cut off the circuit, and the drive circuit is connected between the relay and the second microcontroller.

[0014] As a further solution of the utility model: the DC isolation clamping voltage holding module includes a DC isolation clamping module and a voltage holding module;

[0015] The input end of the DC isolation clamp module is connected to the output end of the controller, the output end of the DC isolation clamp module is connected to the input end of the voltage holding module, and the output end of the voltage holding module is connected to the input end of the control module;

[0016] The DC isolation clamp module receives the voltage control signal;

[0017] When the voltage control signal is a PWM signal, the DC isolation clamping module converts the PWM signal into a clamping signal, and outputs the clamping signal to the voltage holding module; the voltage holding module receives the clamping signal, and converts the clamping signal into the holding signal.

[0018] When the voltage control signal is a level signal, the DC isolation clamp module isolates the level signal.

[0019] As a further solution of the utility model: the DC blocking clamp module includes a DC blocking capacitor and a first diode;

[0020] The input end of the DC blocking capacitor is connected to the output end of the controller, the output end of the DC blocking capacitor is respectively connected to the cathode of the first diode and the input end of the voltage maintaining module, and the anode of the first diode is grounded;

[0021] The DC blocking capacitor receives the voltage control signal;

[0022] When the voltage control signal is a PWM signal, the DC blocking capacitor blocks the PWM signal to obtain a DC blocking signal, and outputs the DC blocking signal to the first diode;

[0023] The first diode receives the DC isolation signal, performs clamping processing on the DC isolation signal to obtain a clamping signal, and outputs the clamping signal to the voltage maintaining module.

[0024] As a further solution of the utility model: the voltage maintaining module includes: a second diode, a second capacitor and a first resistor;

[0025] The anode of the second diode is respectively connected to the output end of the DC blocking clamp module, and the cathode of the second diode is respectively connected to the input end of the second capacitor, the input end of the first resistor and the input end of the control module;

[0026] The output end of the second capacitor and the output end of the first resistor are grounded respectively;

[0027] The second diode receives the clamp signal, charges the second capacitor based on the clamp signal, maintains the voltage across the second capacitor above the first preset voltage, obtains the holding signal, and outputs the holding signal to the control module.

[0028] As a further solution of the present invention: the first microcontroller and the second microcontroller are electrically connected and transmit instructions to each other.

[0029] As a further solution of the present invention: the standby device also includes an infrared receiving circuit, and the infrared receiving circuit is connected to the second microcontroller.

[0030] The beneficial effects of the technical solution of the utility model are:

[0031] The rectifier bridge and switching power supply in the utility model provide efficient power supply to ensure the stable operation of the circuit. The voltage control signal generated by the controller is combined with the processing of the DC isolation clamping voltage holding module to ensure that the target circuit is closed or disconnected as required, thereby achieving precise voltage control and stable circuit operation.

[0032] The utility model supports different types of voltage control signals, including PWM signals and level signals, is suitable for different scenarios and requirements, and has greater flexibility.

[0033] The utility model maintains the voltage value of the signal always higher than the preset first voltage through the processing of the DC isolation clamping voltage holding module, thereby ensuring that the control module can accurately respond to the holding signal and perform a reliable closing operation on the target circuit.

[0034] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0036] Figure 1 A charging circuit diagram of a nasal spray control circuit proposed in an embodiment of the utility model;

[0037] Figure 2 A lithium battery protection circuit diagram of a nasal spray control circuit proposed in an embodiment of the utility model;

[0038] Figure 3 A control circuit diagram of a nasal rinser control circuit proposed in an embodiment of the utility model;

[0039] Figure 4 A motor driving circuit diagram of a nasal spray control circuit proposed in an embodiment of the utility model;

[0040] Figure 5 A main control circuit diagram of a nasal rinser control circuit proposed in an embodiment of the utility model;

[0041] Figure 6 This is an LED circuit diagram of a nasal spray control circuit proposed in an embodiment of the utility model;

[0042] Figure 7 This is a burning circuit diagram of a nasal spray control circuit proposed in an embodiment of the utility model.

[0043] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0044] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0045] It should be noted that the terms "first", "second", etc. are only used to distinguish between description and position description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the feature defined as "first" etc. may explicitly or implicitly include one or more of the features; similarly, when the quantity of certain features is not limited in the form of words such as "two" or "three", it should be noted that the feature also explicitly or implicitly includes one or more feature quantities;

[0046] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms such as "installation", "connection", "fixation" and the like should be understood in a broad sense; for example, it can be a fixed connection, a detachable connection, or an integral molding; it can be a mechanical connection, a direct connection, welding, or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the drawings in the specification and the specific circumstances.

[0047] In the description of the embodiments of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicating directions or positional relationships are based on the directions 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 device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0048] like Figures 1 to 7As shown, a nasal rinser control circuit includes a rectifier bridge, a filter capacitor, a switching power supply and a first microcontroller, wherein the rectifier bridge is connected to the power supply and the power supply provides voltage to it, the filter capacitor is connected to both ends of the rectifier bridge, the output end of the rectifier bridge is connected to the switching power supply, the switching power supply is respectively connected to the first microcontroller and the load and provides voltage to them; and also includes a standby device, which is connected in series between the power supply and the rectifier bridge and closes or cuts off the circuit between the power supply and the rectifier bridge.

[0049] It also includes: a controller, a DC isolation clamping voltage holding module and a control module, wherein the output end of the controller is connected to the input end of the DC isolation clamping voltage holding module, the output end of the DC isolation clamping voltage holding module is connected to the input end of the control module, and the output end of the control module is connected to the controlled target circuit. The controller generates a voltage control signal and outputs the voltage control signal to the DC isolation clamping voltage holding module. The DC isolation clamping voltage holding module receives the voltage control signal, which is a pulse width modulation PWM signal or a level signal. When the voltage control signal is a PWM signal, the DC isolation clamping voltage holding module performs a DC isolation clamping holding process on the PWM signal to obtain a holding signal, wherein the voltage value of the holding signal is greater than a first preset voltage, and the holding signal is output to the control module. The control module receives the holding signal and controls the target circuit to be closed based on the holding signal. When the voltage control signal is a level signal, the DC isolation clamping voltage holding module isolates the level signal, so that the control module controls the target circuit to be disconnected.

[0050] In this embodiment, the output end of the rectifier bridge is connected to the switching power supply, and the switching power supply is respectively connected to the first microcontroller and the load and provides voltage to them. In addition, the electrical appliance controller also includes a standby device, which is connected in series between the power supply and the rectifier bridge and can close or cut off the circuit between the power supply and the rectifier bridge.

[0051] The relay control circuit includes a controller, a DC isolation clamping voltage holding module and a control module. The output end of the controller is connected to the input end of the DC isolation clamping voltage holding module, the output end of the DC isolation clamping voltage holding module is connected to the input end of the control module, and the output end of the control module is connected to the controlled target circuit. The controller generates a voltage control signal and outputs it to the DC isolation clamping voltage holding module. The DC isolation clamping voltage holding module receives the voltage control signal, which can be a pulse width modulation (PWM) signal or a level signal. When the voltage control signal is a PWM signal, the DC isolation clamping voltage holding module performs DC isolation clamping holding processing on it to obtain a holding signal, the voltage value of the holding signal is greater than a first preset voltage, and the holding signal is output to the control module. The control module receives the holding signal and controls the target circuit to close based on the holding signal. When the voltage control signal is a level signal, the DC isolation clamping voltage holding module isolates the level signal, so that the control module controls the target circuit to open.

[0052] In summary, these circuits realize the control function of the nasal sprayer based on the rectifier bridge, filter capacitor, switching power supply and microcontroller. The relay control circuit realizes the control of the target circuit through the controller, DC isolation clamp voltage holding module and control module. According to the type of input voltage control signal, the closing or opening of the target circuit is controlled by processing the PWM signal or level signal.

[0053] The standby device comprises a relay, a drive circuit and a second microcontroller. The relay is connected in series to the circuit between the power supply and the rectifier bridge to close or cut off the circuit. The drive circuit is connected between the relay and the second microcontroller.

[0054] The DC isolation clamping voltage holding module comprises a DC isolation clamping module and a voltage holding module. The input end of the DC isolation clamping module is connected to the output end of the controller, the output end of the DC isolation clamping module is connected to the input end of the voltage holding module, and the output end of the voltage holding module is connected to the input end of the control module. The DC isolation clamping module receives a voltage control signal. When the voltage control signal is a PWM signal, the DC isolation clamping module converts the PWM signal into a clamping signal and outputs the clamping signal to the voltage holding module; the voltage holding module receives the clamping signal and converts the clamping signal into a holding signal. When the voltage control signal is a level signal, the DC isolation clamping module isolates the level signal.

[0055] In this embodiment, the standby device is composed of a relay, a drive circuit and a second microcontroller. The relay is connected in series to the circuit between the power supply and the rectifier bridge to control the closing or cutting of the circuit. The drive circuit is connected between the relay and the second microcontroller to provide a control signal for the relay.

[0056] The DC isolation clamp voltage holding module consists of a DC isolation clamp module and a voltage holding module. The input end of the DC isolation clamp module is connected to the output end of the controller, the output end of the DC isolation clamp module is connected to the input end of the voltage holding module, and the output end of the voltage holding module is connected to the input end of the control module. The DC isolation clamp module receives the voltage control signal and performs corresponding processing according to the signal type. When the voltage control signal is a PWM signal, the DC isolation clamp module converts it into a clamp signal and outputs the clamp signal to the voltage holding module. The voltage holding module receives the clamp signal and converts it into a holding signal. When the voltage control signal is a level signal, the DC isolation clamp module isolates the level signal.

[0057] In summary, the standby device closes or cuts off the circuit between the power supply and the rectifier bridge through the relay, the drive circuit and the second microcontroller. The DC isolation clamp voltage holding module processes the voltage control signal through the DC isolation clamp module and the voltage holding module. According to the type of input voltage control signal, the PWM signal is converted into a clamp signal or the level signal is isolated to generate a holding signal. The synergistic effect of these circuit components realizes the function of the nasal spray control circuit.

[0058] The DC blocking clamping module includes a DC blocking capacitor and a first diode. The input end of the DC blocking capacitor is connected to the output end of the controller, the output end of the DC blocking capacitor is respectively connected to the cathode of the first diode and the input end of the voltage maintaining module, the anode of the first diode is grounded, the DC blocking capacitor receives a voltage control signal, when the voltage control signal is a PWM signal, the DC blocking capacitor performs DC blocking processing on the PWM signal to obtain a DC blocking signal, and outputs the DC blocking signal to the first diode, the first diode receives the DC blocking signal, clamps the DC blocking signal to obtain a clamping signal, and outputs the clamping signal to the voltage maintaining module.

[0059] The voltage holding module includes: a second diode, a second capacitor and a first resistor, the anode of the second diode is respectively connected to the output end of the DC isolation clamp module, the cathode of the second diode is respectively connected to the input end of the second capacitor, the input end of the first resistor and the input end of the control module, the output end of the second capacitor and the output end of the first resistor are respectively grounded, the second diode receives a clamp signal, charges the second capacitor based on the clamp signal, keeps the voltage across the second capacitor above a first preset voltage, obtains a holding signal, and outputs the holding signal to the control module.

[0060] The first microcontroller and the second microcontroller are electrically connected and transmit instructions to each other.

[0061] The standby device also includes an infrared receiving circuit, which is connected to the second microcontroller.

[0062] In this embodiment, the DC blocking clamping module includes a DC blocking capacitor and a first diode. The input end of the DC blocking capacitor is connected to the output end of the controller, and the output end is respectively connected to the cathode of the first diode and the input end of the voltage maintaining module. The anode of the first diode is grounded. The DC blocking capacitor receives the voltage control signal and performs corresponding processing according to the signal type. When the voltage control signal is a PWM signal, the DC blocking capacitor blocks it to obtain a DC blocking signal, and outputs the DC blocking signal to the first diode. The first diode receives the DC blocking signal, clamps it to obtain a clamping signal, and outputs the clamping signal to the voltage maintaining module.

[0063] The voltage holding module is composed of a second diode, a second capacitor and a first resistor. The positive electrode of the second diode is respectively connected to the output end of the DC isolation clamping module, and the negative electrode is respectively connected to the input end of the second capacitor, the input end of the first resistor and the input end of the control module. The output end of the second capacitor and the output end of the first resistor are grounded respectively. The second diode receives the clamping signal and charges the second capacitor according to the signal to keep the voltage across the second capacitor above the preset voltage, so that a holding signal is obtained and the signal is output to the control module.

[0064] The first microcontroller and the second microcontroller are electrically connected and can transmit instructions to each other, which means that data exchange and control operations can be performed between them.

[0065] In addition, the standby device also includes an infrared receiving circuit, which is connected to the second microcontroller. Through the infrared receiving circuit, the second microcontroller can receive a signal from the infrared signal source and perform corresponding processing and response.

[0066] To summarize, the DC blocking clamping module in the nasal rinser control circuit processes the voltage control signal through the DC blocking capacitor and the first diode to obtain the clamping signal, and outputs it to the voltage holding module. The voltage holding module uses the second diode, the second capacitor and the first resistor to maintain the voltage of the clamping signal and generates a corresponding holding signal. The first microcontroller and the second microcontroller realize instruction transmission and control operations. The infrared receiving circuit enables the system to receive and respond to signals from the infrared signal source. The coordinated work of these circuit components realizes the function of the nasal rinser control circuit.

[0067] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0068] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0069] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A nasal spray control circuit, characterized in that: A rectifier bridge, a filter capacitor, a switching power supply and a first microcontroller, wherein the rectifier bridge is connected to a power supply and is provided with a voltage by the power supply, the filter capacitor is connected to both ends of the rectifier bridge, the output end of the rectifier bridge is connected to the switching power supply, and the switching power supply is respectively connected to the first microcontroller and a load and provides voltage to them; It also includes a standby device, which is connected in series between the power supply and the rectifier bridge and closes or cuts off the circuit between the power supply and the rectifier bridge.

2. A nasal spray control circuit according to claim 1, characterized in that: Also includes: Controller, DC isolation clamp voltage holding module and control module; The output end of the controller is connected to the input end of the DC isolation clamping voltage holding module, the output end of the DC isolation clamping voltage holding module is connected to the input end of the control module, and the output end of the control module is connected to the controlled target circuit; The controller generates a voltage control signal and outputs the voltage control signal to the DC isolation clamp voltage holding module; The DC isolation clamp voltage holding module receives the voltage control signal, and the voltage control signal is a pulse width modulation PWM signal or a level signal; When the voltage control signal is a PWM signal, the DC isolation clamp voltage holding module performs a DC isolation clamp holding process on the PWM signal to obtain a holding signal, the voltage value of the holding signal is greater than a first preset voltage, and outputs the holding signal to the control module; the control module receives the holding signal and controls the target circuit to be closed based on the holding signal; When the voltage control signal is a level signal, the DC isolation clamp voltage holding module isolates the level signal, so that the control module controls the target circuit to be disconnected.

3. A nasal spray control circuit according to claim 1, characterized in that: The standby device includes a relay, a drive circuit and a second microcontroller. The relay is connected in series to the circuit between the power supply and the rectifier bridge to close or cut off the circuit. The drive circuit is connected between the relay and the second microcontroller.

4. A nasal spray control circuit according to claim 2, characterized in that: The DC isolation clamping voltage holding module comprises a DC isolation clamping module and a voltage holding module; The input end of the DC isolation clamp module is connected to the output end of the controller, the output end of the DC isolation clamp module is connected to the input end of the voltage holding module, and the output end of the voltage holding module is connected to the input end of the control module; The DC isolation clamp module receives the voltage control signal; When the voltage control signal is a PWM signal, the DC isolation clamping module converts the PWM signal into a clamping signal, and outputs the clamping signal to the voltage holding module; the voltage holding module receives the clamping signal, and converts the clamping signal into the holding signal; When the voltage control signal is a level signal, the DC isolation clamp module isolates the level signal.

5. A nasal spray control circuit according to claim 4, characterized in that: The DC blocking clamp module includes a DC blocking capacitor and a first diode; The input end of the DC blocking capacitor is connected to the output end of the controller, the output end of the DC blocking capacitor is respectively connected to the cathode of the first diode and the input end of the voltage maintaining module, and the anode of the first diode is grounded; The DC blocking capacitor receives the voltage control signal; When the voltage control signal is a PWM signal, the DC blocking capacitor blocks the PWM signal to obtain a DC blocking signal, and outputs the DC blocking signal to the first diode; The first diode receives the DC isolation signal, performs clamping processing on the DC isolation signal to obtain a clamping signal, and outputs the clamping signal to the voltage maintaining module.

6. A nasal spray control circuit according to claim 4, characterized in that: The voltage maintaining module includes: a second diode, a second capacitor and a first resistor; The anode of the second diode is respectively connected to the output end of the DC blocking clamp module, and the cathode of the second diode is respectively connected to the input end of the second capacitor, the input end of the first resistor and the input end of the control module; The output end of the second capacitor and the output end of the first resistor are grounded respectively; The second diode receives the clamp signal, charges the second capacitor based on the clamp signal, maintains the voltage across the second capacitor above the first preset voltage, obtains the holding signal, and outputs the holding signal to the control module.

7. A nasal spray control circuit according to claim 3, characterized in that: The first microcontroller and the second microcontroller are electrically connected and transmit instructions to each other.

8. A nasal spray control circuit according to claim 3, characterized in that: The standby device further includes an infrared receiving circuit, and the infrared receiving circuit is connected to the second microcontroller.

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