CN220822669U - Nose aspirator drive circuit and nose aspirator - Google Patents
Nose aspirator drive circuit and nose aspirator Download PDFInfo
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- CN220822669U CN220822669U CN202322495421.3U CN202322495421U CN220822669U CN 220822669 U CN220822669 U CN 220822669U CN 202322495421 U CN202322495421 U CN 202322495421U CN 220822669 U CN220822669 U CN 220822669U
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- 238000004146 energy storage Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims description 35
- 238000005070 sampling Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 206010039101 Rhinorrhoea Diseases 0.000 description 6
- 208000010753 nasal discharge Diseases 0.000 description 6
- 239000011324 bead Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a nose aspirator driving circuit and a nose aspirator, which comprise a current adjusting module, an energy storage battery, a current detecting module and a control module, wherein the current adjusting module is used for being connected with a driving motor of the nose aspirator to form a power supply branch, the energy storage battery is connected with the power supply branch to supply power for the driving motor, the current detecting module is connected with the power supply branch to detect a current feedback signal, the current feedback signal is used for representing the magnitude of power supply current, the control module is respectively connected with the current detecting module and the current adjusting module, and the control module adjusts and outputs a control signal to the current adjusting module according to the current feedback signal to adjust the magnitude of the power supply current.
Description
Technical Field
The utility model relates to the technical field of nursing equipment, in particular to a nose aspirator driving circuit and a nose aspirator.
Background
The existing nose aspirator is internally provided with a fan driven by a driving motor, the fan runs to form wind flow, the nose aspirator stretches into nostrils, dirt such as nasal discharge and the like can be sucked out by a user, however, after the nose aspirator sucks the nasal discharge, the nose aspirator possibly causes the blocking of the driving motor and the like, so that the working current of the driving motor is instantaneously increased and exceeds the rated discharge current of an energy storage battery, and the damage of the energy storage battery is easily caused.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the nose aspirator driving circuit and the nose aspirator, which stabilize the working current of a driving motor, prevent the damage of an energy storage battery and improve the durability.
A nasal aspirator drive circuit according to an embodiment of a first aspect of the present utility model includes: the current adjusting module is used for being connected with a driving motor of the nose suction device to form a power supply branch; the energy storage battery is connected with the power supply branch circuit to supply power for the driving motor; the current detection module is connected with the power supply branch circuit to detect a current feedback signal, and the current feedback signal is used for representing the magnitude of power supply current; the control module is respectively connected with the current detection module and the current regulation module, and is used for regulating and outputting a control signal to the current regulation module according to the current feedback signal so as to regulate the power supply current.
The nose aspirator driving circuit provided by the embodiment of the utility model has at least the following beneficial effects:
According to the nose aspirator driving circuit, the current detection module detects the current feedback signal, in the using process, when the nose aspirator sucks nasal discharge, the power supply current of the driving motor is increased instantaneously, the control module controls the current adjustment module to adjust the power supply current according to the current feedback signal, so that the power supply current is not too high, the energy storage battery can supply power normally, the design stabilizes the working current of the driving motor, prevents the energy storage battery from being damaged, and improves the durability.
According to some embodiments of the utility model, the current adjusting module comprises a switching tube Q1, the energy storage battery is connected with the positive electrode of the driving motor, the input end of the switching tube Q1 is connected with the negative electrode of the driving motor, the output end of the switching tube Q1 is grounded, and the control module is connected with the controlled end of the switching tube Q1 to output a control signal to control the on-off of the switching tube Q1.
According to some embodiments of the utility model, the current detection module includes a sampling resistor and a voltage dividing resistor, an output end of the switching tube Q1 is connected to one end of the sampling resistor and one end of the voltage dividing resistor, another end of the sampling resistor is grounded, and another end of the voltage dividing resistor is connected to the control module.
According to some embodiments of the utility model, the control module controls the current regulation module to regulate the supply current such that the supply current is less than a rated discharge current of the energy storage battery according to a current feedback signal.
According to some embodiments of the utility model, the nose aspirator driving circuit further comprises a charging module, an input end of the charging module is used for being connected with a charging power supply, the charging module is used for adjusting output of the charging power supply, and an output end of the charging module is connected with the energy storage battery.
According to some embodiments of the present utility model, the nose aspirator driving circuit further includes a charging access detection module and a first prompt module, the charging access detection module is connected with an input end of the charging module to detect a charging access feedback signal, the charging access feedback signal is used for characterizing whether the input end of the charging module is connected with a charging power supply, the control module is respectively connected with the charging access detection module and the first prompt module, and the control module controls the first prompt module to output a first prompt message according to the charging access feedback signal.
According to some embodiments of the utility model, the nose aspirator driving circuit further comprises an electric quantity detection module and a second prompt module, wherein the electric quantity detection module is connected with the energy storage battery to detect an electric quantity feedback signal, the electric quantity feedback signal is used for representing the electric quantity stored in the energy storage battery, the control module is respectively connected with the electric quantity detection module and the second prompt module, and the control module controls the second prompt module to output second prompt information according to the electric quantity feedback signal.
According to some embodiments of the utility model, the control signal output by the control module is a PWM duty cycle signal.
According to some embodiments of the utility model, the nose aspirator driving circuit further comprises at least two gear buttons, force is applied to the gear buttons to form trigger signals, the control modules are respectively connected with the gear buttons, and the control modules form control signals according to different trigger signals to adjust different working currents.
An embodiment of a nasal aspirator according to a second aspect of the present utility model includes the nasal aspirator driving circuit disclosed in any one of the above embodiments.
The nose aspirator according to the embodiment of the utility model has at least the following beneficial effects:
According to the nose suction device, when the nose suction device sucks nasal discharge, the power supply current of the driving motor is increased instantaneously, the control module controls the current adjusting module to adjust the power supply current according to the current feedback signal, so that the power supply current is not too high, the energy storage battery can supply power normally, the design stabilizes the working current of the driving motor, the energy storage battery is prevented from being damaged, and the durability is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic block diagram of one embodiment of a nasal aspirator drive circuit of the present utility model;
FIG. 2 is a circuit schematic of a control module;
FIG. 3 is a schematic circuit diagram of a charging module;
fig. 4 is a circuit schematic of the current regulation module.
Reference numerals:
A current regulation module 100; an energy storage battery 200; a current detection module 300; sampling resistor 310; a voltage dividing resistor 320; a control module 400; a charging module 500; a charge access detection module 610; a first prompting module 620; a power detection module 710; a second prompting module 720; gear button 800.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 4, a nasal aspirator driving circuit according to an embodiment of the first aspect of the present utility model includes a current adjusting module 100, an energy storage battery 200, a current detecting module 300, and a control module 400, wherein the current adjusting module 100 is configured to be connected with a driving motor of the nasal aspirator to form a power supply branch, the energy storage battery 200 is connected with the power supply branch to supply power to the driving motor, the current detecting module 300 is connected with the power supply branch to detect a current feedback signal, the current feedback signal is used to characterize a magnitude of a power supply current, the control module 400 is respectively connected with the current detecting module 300 and the current adjusting module 100, and the control module 400 adjusts and outputs a control signal to the current adjusting module 100 according to the current feedback signal to adjust the magnitude of the power supply current.
The energy storage batteries 200 may be selected from conventional lithium batteries or other batteries, and each energy storage battery 200 has a rated discharge current corresponding to a relevant parameter, for example 9000mAh, or other energy storage batteries, and the control module 400 may be selected from a processor such as a CPU or an MCU, and an accessory circuit.
In some embodiments of the present utility model, the control module 400 controls the current adjustment module 100 to adjust the supply current according to the current feedback signal so that the supply current is smaller than the rated discharge current of the energy storage battery 200, thereby protecting the energy storage battery 200.
According to the nose aspirator driving circuit, the current detection module 300 detects the current feedback signal, in the using process, when the nose aspirator sucks nasal discharge, the power supply current of the driving motor is increased instantaneously, the control module 400 controls the current adjustment module 100 to adjust the power supply current according to the current feedback signal, so that the power supply current is not too high, the energy storage battery 200 can supply power normally, the design stabilizes the working current of the driving motor, prevents the energy storage battery 200 from being damaged, and improves the durability.
In some embodiments of the present utility model, as shown in fig. 4, the current adjusting module 100 includes a switching tube Q1, the energy storage battery 200 is connected to the positive electrode of the driving motor, the input end of the switching tube Q1 is connected to the negative electrode of the driving motor, the output end of the switching tube Q1 is grounded, and the control module 400 is connected to the controlled end of the switching tube Q1 to output a control signal to control the on-off of the switching tube Q1.
Specifically, the switching tube Q1 may be a triode, a MOS tube, or the like, and in some embodiments of the present utility model, the control signal output by the control module 400 is a PWM duty cycle signal, and the control module 400 may adjust the duty cycle of the PWM duty cycle signal and output the PWM duty cycle signal to the switching tube Q1, and control the on-off frequency of the switching tube Q1 to adjust different working currents.
In some embodiments of the present utility model, as shown in fig. 4, the current detection module 300 includes a sampling resistor 310 and a voltage dividing resistor 320, the output end of the switching tube Q1 is connected to one end of the sampling resistor 310 and one end of the voltage dividing resistor 320, the other end of the sampling resistor 310 is grounded, and the other end of the voltage dividing resistor 320 is connected to the control module 400.
Specifically, the sampling resistor 310 may be a resistor R13, the voltage dividing resistor 320 may be a resistor R10, the working current is grounded through the sampling resistor 310, one end of the sampling resistor 310 forms a terminal voltage, and a current feedback signal is formed through the voltage dividing resistor 320 and is input to the control module 400.
In some embodiments of the present utility model, as shown in fig. 1 and 3, the nose pump driving circuit further includes a charging module 500, an input end of the charging module 500 is used for being connected to a charging power source, the charging module 500 is used for adjusting an output of the charging power source, and an output end of the charging module 500 is connected to the energy storage battery 200.
When the electric power storage capacity of the energy storage battery 200 is insufficient, a user can access a charging power supply to the input end of the charging module 500 through a charging socket, the charging power supply can be a power adapter output port connected to the mains supply, the charging socket can be a conventional USB interface, and the charging module 500 adjusts the voltage and the current output by the charging power supply, so that the voltage and the current suitable for charging the energy storage battery 200 are formed.
In some embodiments of the present utility model, the nasal aspirator driving circuit further includes a charging access detection module 610 and a first prompting module 620, where the charging access detection module 610 is connected to an input end of the charging module 500 to detect a charging access feedback signal, the charging access feedback signal is used to characterize whether the input end of the charging module 500 is connected to a charging power supply, the control module 400 is connected to the charging access detection module 610 and the first prompting module 620, respectively, and the control module 400 controls the first prompting module 620 to output a first prompting message according to the charging access feedback signal.
Specifically, as shown in fig. 3, the charging access detection module 610 may include a first voltage division detection unit formed by a resistor R1, a resistor R4, and the like, when the charging power is accessed, the voltage of the charging access feedback signal fed back by the charging access detection module 610 increases, the control module 400 may control the driving motor to stop running and turn into a charging state, so as to protect the energy storage battery 200, the first prompting module 620 may be an LED lamp bead or a buzzer, and the control module 400 may control the first prompting module 620 to prompt the charging state or the working state of the nose aspirator in an acoustic mode, an optical mode, and the like.
In some embodiments of the present utility model, the nose aspirator driving circuit further includes an electrical quantity detection module 710 and a second prompting module 720, where the electrical quantity detection module 710 is connected to the energy storage battery 200 to detect an electrical quantity feedback signal, the electrical quantity feedback signal is used to characterize the electrical quantity stored in the energy storage battery 200, the control module 400 is respectively connected to the electrical quantity detection module 710 and the second prompting module 720, and the control module 400 controls the second prompting module 720 to output a second prompting message according to the electrical quantity feedback signal.
Specifically, as shown in fig. 3, the power detection module 710 may also include a second voltage division detection unit formed by a resistor R2, a resistor R5, and the like, where the power storage of the energy storage battery 200 can be known through voltage division, and the first prompting module 620 may be a plurality of LED light beads with different colors, so that the number of the power storage is reflected by the lighting of the light beads with different colors.
In some embodiments of the present utility model, as shown in fig. 2, the driving circuit of the nasal aspirator further includes at least two gear buttons 800, force is applied to the gear buttons 800 to form trigger signals, the control module 400 is respectively connected with the gear buttons 800, and the control module 400 forms control signals according to different trigger signals to adjust different working currents.
The user can selectively apply force to the appropriate gear button 800 by pressing or other actions to select an appropriate gear, then the control module obtains a trigger signal fed back by the corresponding gear button 800, and forms a corresponding PWM duty cycle signal according to the gear corresponding to the trigger signal, so as to adjust the working current with corresponding magnitude, and the rotation speeds formed by the driving motors are different according to different working currents, thereby adjusting the suction force of the nose aspirator, and specifically, the working current adjusted here cannot exceed the rated discharge current of the energy storage battery 200.
An embodiment of a nasal aspirator according to a second aspect of the present utility model includes the nasal aspirator driving circuit disclosed in any one of the above embodiments.
According to the nose aspirator, when the nose aspirator sucks nasal discharge, the power supply current of the driving motor is increased instantaneously, the control module 400 controls the current adjusting module 100 to adjust the power supply current according to the current feedback signal, so that the power supply current is not too high, the energy storage battery 200 can supply power normally, the design stabilizes the working current of the driving motor, the energy storage battery 200 is prevented from being damaged, and the durability is improved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A nasal aspirator drive circuit, comprising:
The current adjusting module is used for being connected with a driving motor of the nose suction device to form a power supply branch;
The energy storage battery is connected with the power supply branch circuit to supply power for the driving motor;
the current detection module is connected with the power supply branch circuit to detect a current feedback signal, and the current feedback signal is used for representing the magnitude of power supply current;
The control module is respectively connected with the current detection module and the current regulation module, and is used for regulating and outputting a control signal to the current regulation module according to the current feedback signal so as to regulate the power supply current.
2. A nasal aspirator drive circuit according to claim 1, wherein: the current regulation module comprises a switch tube Q1, the energy storage battery is connected with the positive electrode of the driving motor, the input end of the switch tube Q1 is connected with the negative electrode of the driving motor, the output end of the switch tube Q1 is grounded, and the control module is connected with the controlled end of the switch tube Q1 to output a control signal to control the on-off of the switch tube Q1.
3. A nasal aspirator drive circuit according to claim 2, wherein: the current detection module comprises a sampling resistor and a voltage dividing resistor, the output end of the switching tube Q1 is respectively connected with one end of the sampling resistor and one end of the voltage dividing resistor, the other end of the sampling resistor is grounded, and the other end of the voltage dividing resistor is connected with the control module.
4. A nasal aspirator drive circuit according to claim 1, wherein: the control module controls the current adjusting module to adjust the power supply current according to the current feedback signal so that the power supply current is smaller than rated discharge current of the energy storage battery.
5. The nasal aspirator drive circuit according to claim 1, further comprising a charging module, wherein an input of the charging module is configured to be connected to a charging power source, the charging module is configured to regulate an output of the charging power source, and an output of the charging module is connected to the energy storage battery.
6. The nasal aspirator driving circuit according to claim 5, further comprising a charging access detection module and a first prompt module, wherein the charging access detection module is connected with an input end of the charging module to detect a charging access feedback signal, the charging access feedback signal is used for representing whether the input end of the charging module is connected with a charging power supply, the control module is respectively connected with the charging access detection module and the first prompt module, and the control module controls the first prompt module to output first prompt information according to the charging access feedback signal.
7. The nasal aspirator driving circuit according to claim 5, further comprising an electrical quantity detection module and a second prompt module, wherein the electrical quantity detection module is connected with the energy storage battery to detect an electrical quantity feedback signal, the electrical quantity feedback signal is used for representing the electrical quantity stored in the energy storage battery, the control module is respectively connected with the electrical quantity detection module and the second prompt module, and the control module controls the second prompt module to output second prompt information according to the electrical quantity feedback signal.
8. The nasal aspirator drive circuit according to claim 1, wherein the control signal output by the control module is a PWM duty cycle signal.
9. A nasal aspirator drive circuit according to claim 1, wherein,
The control module is connected with the gear buttons respectively, and forms control signals according to different trigger signals so as to adjust different working currents.
10. A nasal aspirator comprising a nasal aspirator drive circuit according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322495421.3U CN220822669U (en) | 2023-09-13 | 2023-09-13 | Nose aspirator drive circuit and nose aspirator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322495421.3U CN220822669U (en) | 2023-09-13 | 2023-09-13 | Nose aspirator drive circuit and nose aspirator |
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| Publication Number | Publication Date |
|---|---|
| CN220822669U true CN220822669U (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322495421.3U Active CN220822669U (en) | 2023-09-13 | 2023-09-13 | Nose aspirator drive circuit and nose aspirator |
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| Country | Link |
|---|---|
| CN (1) | CN220822669U (en) |
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2023
- 2023-09-13 CN CN202322495421.3U patent/CN220822669U/en active Active
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