Phototherapy spray device

Abstract

The utility model provides a kind of phototherapy spray device, belong to skin care field, phototherapy spray device includes liquid supply unit, for providing liquid;Spray impact mechanism, including spray cavity, impact component and drive unit;Spray cavity has with the spray port of liquid supply unit intercommunication;Impact component is movably arranged in spray cavity and can be close to or away from spray port;Drive unit is connected impact component for driving impact component reciprocating movement, to make liquid spray from spray port and atomization;Phototherapy unit is used to emit treatment light, and the light-emitting direction is with the opening direction of spray port same direction;And control panel, with drive unit and phototherapy unit electric connection.The phototherapy spray device of the embodiment of the application can realize the synchronization of atomization and phototherapy, can improve absorption rate, light energy utilization rate, simplify operation.

Description

Technical Field

[0001] This application belongs to the field of skin care technology, and more specifically, relates to a phototherapy spray device. Background Technology

[0002] In the field of personal beauty care, handheld beauty devices often employ a step-by-step operation mode of applying liquid followed by light therapy. During operation, the liquid is usually spread naturally on the skin surface by manual application or simple spraying, making it difficult to form a uniform liquid film instantly. This results in a large amount of active ingredients remaining in the stratum corneum, leading to poor actual absorption efficiency. At the same time, the light therapy step requires waiting for the liquid to initially penetrate, prolonging the treatment time, and the light energy cannot be efficiently utilized at the optimal moment of liquid film formation. In addition, the step-by-step operation process is complicated, affecting the user's convenience and experience.

[0003] Therefore, there is an urgent need for a new technology to solve the problems of low absorption rate, insufficient light energy utilization and complex operation caused by the step-by-step operation of existing technologies. Utility Model Content

[0004] This application provides a phototherapy spray device that can simultaneously perform atomization and phototherapy, thereby improving absorption rate, light energy utilization rate, and simplifying operation.

[0005] The technical solution adopted in this application embodiment is: to provide a phototherapy spray device, including: Liquid supply unit, used to supply liquid; A spray impact mechanism includes a spray chamber, an impact component, and a drive unit; the spray chamber has a spray port communicating with the liquid supply unit; the impact component is movably disposed in the spray chamber and can be close to or away from the spray port; the drive unit is connected to the impact component and is used to drive the impact component to reciprocate so that the liquid is sprayed out from the spray port and atomized. A phototherapy unit for emitting therapeutic light, wherein the light emission direction is the same as the opening direction of the spray nozzle; and The control board is electrically connected to the drive unit and the phototherapy unit.

[0006] Furthermore, the drive unit includes a drive assembly and an energy storage and reset component; The driving component is used to drive the impact component to move away from the spray nozzle to reach a designated position; the energy storage and reset component is connected to the impact component to elastically store energy when the impact component moves away from the spray nozzle, and reset the impact component to the initial position after the impact component reaches the designated position.

[0007] Furthermore, the driving component includes: Rotary drive; A sector gear, driven to rotate by the rotary actuator, has a toothed region and a toothless region on its circumference; and A rack, fixedly connected to the impact component, is used to engage with the sector gear when the toothed area rotates to the meshing position, so as to drive the impact component away from the spray nozzle; When the toothless region rotates to the meshing position, the sector gear disengages from the rack, and the energy storage reset member drives the impact component to rush toward the spray nozzle.

[0008] Furthermore, the driving unit includes: Rotary drive; The entire gear, driven to rotate by the rotary actuator; and A rack is fixedly connected to the impact component and meshes with the full gear; In this configuration, after the energy storage and reset component has completed energy storage, the rotary actuator cuts off the driving torque, and the energy storage and reset component drives the impact component to rush toward the spray nozzle.

[0009] Furthermore, the rotary driver is a motor, and the cut-off drive torque is achieved by de-energizing or reducing the current of the motor.

[0010] Furthermore, the liquid supply unit includes: Liquid storage chamber, used to contain liquids; A pressurized air source is electrically connected to the control board; A pressurized air duct, one end connected to the pressurized air source and the other end connected to the liquid storage chamber, is used to deliver pressurized gas into the liquid storage chamber; and The liquid outlet channel is connected at one end to the bottom of the liquid storage chamber and at the other end to the spray nozzle.

[0011] Furthermore, the liquid supply unit also includes: The mounting base includes an air inlet and a liquid outlet, wherein the air inlet is connected to the pressurized air passage, and the liquid outlet is connected to the liquid outlet passage; and A liquid storage container is detachably inverted and mounted on the mounting base, and is sealed to the mounting base to form the liquid storage chamber.

[0012] Furthermore, a sealing element is provided between the mating surfaces of the mounting base and the liquid storage container.

[0013] Furthermore, the air inlet extends to the upper part of the liquid storage chamber.

[0014] Furthermore, the phototherapy spray device also includes: A rechargeable battery, electrically connected to the control board; and The charging interface is electrically connected to the control board and is used to connect to an external power source.

[0015] The beneficial effects of the phototherapy spray device provided in this application embodiment are as follows: In the phototherapy spray device provided in this application embodiment, the driving unit of the spray impact mechanism can drive the impact component to move back and forth in the spray chamber, which can instantly atomize and spray the liquid provided by the liquid supply unit from the spray nozzle to form a uniform liquid film, avoiding the problem of uneven liquid film caused by manual application or simple spraying, making the active ingredients easier to penetrate the skin and improving absorption efficiency; the light emission direction of the phototherapy unit is in the same direction as the opening direction of the spray nozzle, and synchronous control is achieved through electrical connection between the control board and the driving unit, ensuring that phototherapy is carried out at the optimal moment of liquid film formation, greatly improving the utilization rate of light energy; at the same time, the synchronous completion of atomization and phototherapy eliminates the waiting time of step-by-step operation, simplifies the care process, and improves the convenience and experience of user use. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a three-dimensional structural diagram of the phototherapy spray device provided in the embodiments of this application; Figure 2 An exploded view of the phototherapy spray device provided in the embodiments of this application; Figure 3 This is a schematic diagram of the structure of the phototherapy spray device provided in the embodiments of this application after removing half of the shell; Figure 4 A top view of the phototherapy spray device provided in the embodiments of this application; Figure 5 for Figure 4 Sectional view along the middle AA; Figure 6 An exploded view of an impact-atomized laser; Figure 7 A cross-sectional schematic diagram of the nozzle connected to the Venturi jet.

[0018] The following are the labeling elements in the figure: 1. Shell; 2. Liquid supply unit; 21. Liquid storage chamber; 22. Pressurized air source; 23. Mounting base; 231. Air inlet; 232. Liquid outlet; 24. Liquid storage container; 25. Seals; 3. Spray impact mechanism; 31. Spray chamber; 311. Cylinder; 312. Spray pipe; 313. Spray nozzle; 32. Impact component; 321. Plug; 322. Plug cylinder; 3221. Connector; 33. Drive unit; 331. Rotary actuator; 332. Sector gear; 3321. Toothed area; 3322. Toothless area; 334. Rack; 335. Energy storage and reset component; 4. Phototherapy unit; 41. Light source; 42. Transparent element; 5. Control panel; 6. Venturi jet injector; 61. Inlet section; 62. Contraction section; 63. Throat section; 631. Air vent; 64. Diffusion section; 641. Fluid outlet; 7. Rechargeable battery; 8. Charging port. Detailed Implementation

[0019] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0020] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0021] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0023] Please see Figure 1 and Figure 2The phototherapy spray device provided in the embodiments of this application will now be described. The phototherapy spray device provided in the embodiments of this application includes a housing 1, a liquid supply unit 2, a spray impact mechanism 3, a phototherapy unit 4, and a control board 5.

[0024] The housing 1 serves as the external support and protective structure for the phototherapy spray device, housing the liquid supply unit 2, spray impact mechanism 3, phototherapy unit 4, and control board 5. The bottom of the housing 1 is integrally formed or detachably connected to a bracket, allowing the instrument to be stably placed on a flat surface such as a table, enabling hands-free operation and enhancing convenience and comfort during use.

[0025] The liquid supply unit 2 is used to provide liquids. The liquid supply unit 2 continuously supplies the spray jet mechanism 3 with the liquids required for beauty care, such as water, treatment solutions, or nutrient solutions.

[0026] Reference Figure 2 , Figure 3 and Figure 5 The spray impact mechanism 3 includes a spray chamber 31, an impact component 32, and a drive unit 33. The spray chamber 31 has a spray port 313 that communicates with the liquid supply unit 2. The impact component 32 is movably disposed in the spray chamber 31 and can be close to or away from the spray port 313. The drive unit 33 is connected to the impact component 32 to drive the impact component 32 to reciprocate so that the liquid is sprayed out from the spray port 313 and atomized.

[0027] The spray chamber 31 is a closed or semi-closed cavity with a specific volume, providing space for the movement and energy transfer of the impact component 32. The impact component 32 is a moving component that directly acts on the liquid. It can be a reciprocating structure such as a piston, striking pin, or diaphragm, and is movably mounted in the spray chamber 31. It can be driven by the drive unit 33 to approach or move away from the spray nozzle 313. The drive unit 33 is the power source and can be an electromagnetic drive, a motor cam, or a piezoelectric drive mechanism. By driving the impact component 32 to move, it impacts and forms instantaneous high-pressure gas in the spray chamber. Among them, the electromagnetic drive mechanism can generate an alternating magnetic field by switching current on and off, directly driving the impact component 32 to move rapidly back and forth; the motor cam mechanism uses a micro motor to drive the cam to rotate, converting the rotational motion into the reciprocating linear motion of the impact component 32; the piezoelectric drive mechanism uses the inverse piezoelectric effect of piezoelectric materials to generate high-frequency expansion and contraction under the action of electrical signals, driving the impact component 32 to impact at high frequency. These driving methods enable the impact component 32 to quickly approach the spray nozzle 313 within the spray chamber 31, compressing the space within the chamber to form an instantaneous high pressure, which propels the liquid out of the spray nozzle 313 at high speed. After colliding with the air, the liquid breaks into tiny droplets, completing the impact atomization of the liquid.

[0028] Reference Figure 2 , Figure 3 and Figure 5The phototherapy unit 4 emits therapeutic light, and the light emission direction is the same as the opening direction of the spray nozzle 313 to achieve synchronization of atomization and phototherapy. The phototherapy unit 4 may include a light source 41 and a light-transmitting element 42. The light source 41 can be equipped with LED beads of different wavelengths, such as red light, blue light, and near-infrared LEDs, depending on the nursing needs. The light-transmitting element 42 isolates the light source 41 from the external environment and does not interfere with the emission of the therapeutic light, while also preventing the sprayed atomized liquid from affecting the light source 41. Specifically, the light source 41 is a lamp panel that integrates multiple LED beads. The light-transmitting element 42 is a transparent glass or acrylic plate.

[0029] The control board 5 is electrically connected to the drive unit 33 and the phototherapy unit 4, serving to coordinate the operation of each component. The control board 5 is electrically connected to the drive unit 33 and the phototherapy unit 4 via wires or pins, and can be installed inside the instrument housing 1, away from the liquid delivery path to prevent short circuits. The control board 5 can control the energy storage and release rhythm of the drive unit 33 through preset programs, while simultaneously regulating the opening, closing, and light intensity of the phototherapy unit 4, ensuring precise coordination between nebulization and phototherapy actions, or controlling the phototherapy and nebulization functions to operate independently.

[0030] The working principle of this phototherapy spray device is as follows: During use, after the instrument is stably placed on a table via the bottom support, the liquid supply unit 2 first delivers the treatment liquid to the spray nozzle 313 for temporary storage. Then, the control board 5 controls the drive unit 33 to move the impact component 32 away from the spray nozzle 313 and then in the opposite direction, pushing the impact component 32 towards the spray nozzle 313. This generates a high-pressure airflow within the spray chamber 31, which in turn sprays the liquid at the nozzle 313 at high speed, forming a fine atomized liquid film. Simultaneously, the control board 5 synchronously controls the phototherapy unit 4 to activate, irradiating the skin area covered by the atomized liquid film in the same direction as the spray nozzle 313. The fine atomized liquid film significantly improves the skin absorption rate of active ingredients, and the simultaneous atomization and phototherapy allow the light energy to exert its effect at the optimal moment of liquid film formation, significantly improving light energy utilization. Furthermore, the integrated collaborative control combined with the tabletop placement design of the bottom support completely simplifies the operation process, eliminating the need for users to hold the device or manually wait and switch steps, greatly improving ease of use and treatment efficiency.

[0031] Reference Figure 1 and Figure 5 One end of the phototherapy spray device is the working end (e.g., Figure 4(Right end) Both the phototherapy unit 4 and the spray nozzle 313 of the impact atomizing laser are located at the working end. Specifically, the housing 1 forms an opening at the working end, the light source 41 (lamp board) of the phototherapy unit 4 is fixed in this opening, and the light-transmitting element 42 is closed at the outer end of the opening. The spray nozzle 313 can be mounted on the housing 1 at the working end, or the spray nozzle 313 can extend out of the opening by passing through the light source 41 (lamp board) and the light-transmitting element 42 in sequence.

[0032] The drive unit 33 includes a drive assembly and an energy storage and reset component 335; the drive assembly is used to drive the impact component 32 to move away from the spray nozzle 313 to reach a designated position; the energy storage and reset component 335 is connected to the impact component 32 to elastically store energy when the impact component 32 moves away from the spray nozzle 313, and reset the impact component 32 to the initial position after the impact component 32 reaches the designated position.

[0033] The driving component can be an electromagnetic drive component, a motor cam component, or a piezoelectric drive component, etc. Taking an electromagnetic drive component as an example, it includes an electromagnet and an armature. The electromagnet can be fixed to the outside or inside of the spray chamber at the end away from the spray nozzle, while the armature is connected to the impact component 32. When the electromagnet is energized, it generates a magnetic field that attracts the armature, thereby driving the impact component 32 to move away from the spray nozzle. Its installation position must ensure stable output of driving force and not interfere with the movement trajectory of the impact component 32.

[0034] The energy storage and reset component 335 can convert the mechanical energy of the drive assembly driving the impact component 32 to move into a rapidly releaseable energy form through its own deformation or energy conversion, and complete the energy release when the release conditions are met. The energy storage and reset component 335 can be an elastic reset component, an electromagnetic drive charging component, or a pneumatic impact charging component. Specifically, the elastic reset component can be a compression spring, a coil spring, a leaf spring, or a torsion spring, etc., and the material is mostly a metal material with a high elastic coefficient (such as spring steel) or an elastic polymer.

[0035] When the impact component 32 moves away from the spray nozzle 313 under the action of the drive assembly, the energy storage and reset component 335 will be stretched or compressed, thereby storing elastic potential energy. For example, if a helical spring is used, it can be sleeved on the outer periphery of the impact component 32 and deform synchronously when the impact component moves.

[0036] The working process of the drive unit 33 is as follows: When atomization is required, the drive assembly starts and outputs driving force to move the impact component 32 away from the spray nozzle until it reaches the preset designated position. During this process, the energy storage and reset component 335 deforms with the movement of the impact component 32, continuously storing elastic potential energy. When the impact component 32 reaches the designated position, the drive assembly stops outputting driving force, and the energy storage and reset component 335 quickly releases the stored elastic potential energy, causing the impact component 32 to quickly reset to the initial position (closer to the spray nozzle). This rapid reset process creates instantaneous high pressure in the spray chamber, pushing the liquid out of the spray nozzle at high speed and atomizing it. Through the cooperation of the drive assembly and the energy storage and reset component 335, the efficient reciprocating motion of the impact component 32 is achieved, ensuring the stability and instantaneity of the atomization effect.

[0037] Reference Figure 3 , Figure 5 and Figure 6 In some embodiments, the drive assembly includes a rotary driver 331, a sector gear 332, and a rack 334.

[0038] The rotary actuator 331 is used to provide initial rotational power for the entire energy storage and release process. The rotary actuator 331 can be an electric motor, which can be fixed to a bracket or housing 1 on the side of the spray chamber 31 by bolts or screws. A gear is fixed on the output shaft and is connected to the sector gear 332 through a gear set, thereby driving the rotation of this part of the gear.

[0039] The sector gear 332 is driven to rotate by the rotary actuator 331. The sector gear 332 has a toothed region 3321 and a toothless region 3322 on its circumference. The toothed region 3321 and the toothless region 3322 are distributed on the circumference of the sector gear 332. Power transmission and cutoff are achieved through the alternating action of these two regions with the rack 334. The toothed region 3321 is machined with uniform involute teeth; the toothless region 3322 is a smooth arc surface without teeth. The position of the sector gear 332 precisely corresponds to the rack 334, ensuring accurate meshing of the tooth segments with the rack 334 during rotation.

[0040] The rack 334 is fixedly connected to the impact member 32 and is used to engage with the sector gear 332 when the toothed area 3321 rotates to the meshing position, thereby driving the impact member 32 away from the spray nozzle 313. One end of the rack 334 is fixedly connected to the impact member 32 by a threaded connection or welding, and the whole is elongated. The direction of movement of the rack 334 is parallel to the axis of the spray chamber 31, ensuring that the impact member 32 can accurately impact the spray nozzle 313.

[0041] Specifically, when the energy storage and reset component 335 is a compression spring, one end can abut against the rack 334 or the impact component 32, and the other end can abut against the housing 1, with the installation direction consistent with the movement direction of the rack 334. When the rack 334 drives the impact component 32 away from the spray nozzle 313, the compression spring is compressed and stores elastic potential energy.

[0042] When the toothless region 3322 rotates to the meshing position, the sector gear 332 disengages from the rack 334, and the energy storage reset component 335 drives the impact component 32 to rush toward the spray nozzle 313.

[0043] When the phototherapy spray device is activated, the control board 5 activates the rotary driver 331, which drives the sector gear 332 to rotate. At this time, the toothed area 3321 of the sector gear 332 gradually rotates to the meshing position opposite to the rack 334, and the gear teeth mesh with the tooth grooves of the rack 334, driving the rack 334 to move linearly. The rack 334 then drives the fixed impact component 32 away from the spray nozzle 313. The energy storage and reset component 335's spring is gradually compressed as the rack 334 moves, completing energy storage. When the sector gear 332 rotates to the toothless area 3322 opposite to the rack 334, the two disengage, causing the elastic potential energy of the energy storage and reset component 335 to be released instantaneously, generating a powerful instantaneous driving force that propels the rack 334 and the impact component 32 rapidly along the guide rail towards the spray nozzle 313. The drive unit 33 achieves automatic switching between energy storage and energy release through the mechanical timing coordination of the sector gear 332 and the rack 334. It can complete precise actions without complex electronic control programs, which not only reduces the difficulty and cost of control, but also improves the stability of operation.

[0044] In some embodiments, the drive assembly includes a rotary driver 331, a full gear, and a rack 334. In these embodiments, unlike the previous description, a full gear instead of a sector gear 332 is used. The full gear is driven to rotate by the rotary driver 331, and the rack 334 is fixedly connected to the impact member 32 and meshes with the full gear. After the energy storage and reset member 335 has completed energy storage, the rotary driver 331 cuts off the drive torque, and the energy storage and reset member 335 drives the impact member 32 to propel it towards the spray nozzle 313. The rotary driver 331, rack 334, and energy storage and reset member 335 have been described in detail previously and will not be repeated here.

[0045] After the phototherapy spray device is started, the control board 5 controls the rotary driver 331 to start, driving the full gear to rotate. The full gear meshes with the rack 334, converting the rotational power into linear motion of the rack 334. The rack 334 drives the impact component 32 to move along the guide rail away from the spray nozzle 313, and the energy storage and reset component 335 stores energy during this process. When the energy storage and reset component 335 reaches the preset energy storage level, the control board 5 sends a signal to control the electromagnetic clutch or electronic brake module of the rotary driver 331 to activate, quickly cutting off the drive torque, and the full gear stops power output. At this time, the elastic potential energy of the energy storage and reset component 335 is released instantaneously, pushing the impact component 32 to move rapidly in the opposite direction and rush towards the spray nozzle 313. Compared with the sector gear 332 structure, this embodiment has a smoother transmission, more flexible electronic control adjustment of the energy storage level, and does not rely on the engagement and disengagement switching of the mechanical structure, reducing the risk of component wear and improving long-term operational reliability.

[0046] Specifically, the rotary driver 331 is a motor, and the drive torque is cut off by de-energizing the motor or reducing the current.

[0047] When the energy storage and reset component 335 is an electromagnetically driven charging component, it may include an electromagnet, an armature, and a reset element. The electromagnet is fixed on a bracket inside the housing 1, and the armature is fixedly connected to the rack 334 or the impact component 32, with the two positioned opposite each other and with a gap. It does not rely on elastic deformation for energy storage; instead, it stores energy by converting electrical energy into magnetic field energy. It is typically equipped with a dedicated charging and discharging control module, electrically connected to the control board 5 to precisely control the charging timing and intensity. After electromagnetic charging, the energy is released, thereby driving the impact component 32 to rapidly propel it towards the spray nozzle 313.

[0048] When the energy storage and reset component 335 is a pneumatic impact charging component, it may include a miniature air pump, an air storage chamber, a solenoid valve, and an air passage. The miniature air pump is connected to the air storage chamber, which is connected to the spray chamber 31 or the air pressure chamber at the rear end of the impact component 32 via an air passage with a solenoid valve. The solenoid valve is controlled by the control board 5. It stores energy by compressing gas, and the air storage chamber is mostly made of aluminum alloy to ensure airtightness. After charging is completed, a large pressure is formed and released instantaneously, thereby driving the impact component 32 to quickly rush towards the spray nozzle 313.

[0049] Reference Figure 2 , Figure 3 and Figure 5 The liquid supply unit 2 includes a liquid storage chamber 21, a pressurizing gas source 22, a pressurizing gas passage, and a liquid outlet passage.

[0050] The liquid storage chamber 21 is used to contain liquid and continuously supply raw materials for the atomization process.

[0051] The pressurized air source 22 is electrically connected to the control board 5. The pressurized air source 22 is a power component that provides pressure to the liquid storage chamber 21. It is electrically connected to the control board 5 and is controlled by it to regulate and stop the air pressure. The pressurized air source 22 can be an air pump, preferably a miniature diaphragm air pump, which is small in size, low in noise, and suitable for the compact environment inside the instrument.

[0052] One end of the pressurizing air duct is connected to the pressurizing air source 22, and the other end is connected to the liquid storage chamber 21. It is used to deliver pressurized gas into the liquid storage chamber 21. The function of the pressurizing air duct is to smoothly deliver the pressurized gas generated by the air pump to the liquid storage chamber 21, providing power for liquid discharge. The pressurizing air duct can be made of highly elastic silicone or nylon tubing.

[0053] One end of the liquid outlet channel is connected to the bottom of the liquid storage chamber 21, and the other end is connected to the spray nozzle 313. The liquid outlet channel is responsible for guiding the pressurized liquid into the spray nozzle 313. Preferably, the liquid outlet channel can be equipped with a miniature one-way valve to prevent the liquid from flowing back into the liquid storage chamber 21 during atomization, thus ensuring the continuity of liquid supply.

[0054] When the phototherapy spray device is activated, the control board 5 synchronously controls the pressurized air source 22 and the drive unit 33 to start. The pressurized air source 22 begins to work, and the pressurized gas generated is delivered to the liquid storage chamber 21 through the pressurized air channel, increasing the air pressure in the chamber to positive pressure. Under the action of air pressure, the liquid in the liquid storage chamber 21 flows along the liquid outlet channel to the spray nozzle 313 and is temporarily stored at the spray nozzle 313, completing the liquid supply preparation. Subsequently, the spray impact mechanism 3 atomizes and sprays the liquid at the spray nozzle 313. In this embodiment, the pressurized liquid supply unit 2 drives the liquid supply through air pressure, which provides a more stable flow rate and can adapt to liquids of different viscosities compared to traditional gravity liquid supply or water pump liquid supply.

[0055] Reference Figure 2 , Figure 3 and Figure 5 The liquid supply unit 2 also includes a mounting base 23 and a liquid storage container 24.

[0056] The mounting base 23 is provided with an air inlet 231 and a liquid outlet 232. The air inlet 231 is connected to the pressurized air passage, and the liquid outlet 232 is connected to the liquid outlet passage. The mounting base 23 serves to connect the pressurized air source 22, the liquid outlet passage, and the liquid storage container 24, and also provides a sealed foundation for the formation of the liquid storage chamber 21. The mounting base 23 has a columnar or disc-shaped structure and is located at the upper end of the housing 1, making it convenient for users to disassemble and install the liquid storage container 24 from the outside of the housing 1. The air inlet 231 is located at the bottom of the mounting base 23 and is connected to the end of the pressurized air passage away from the pressurized air source 22 via a quick connector; the liquid outlet 232 is also located at the bottom of the mounting base 23 and is connected to the input end of the liquid outlet passage.

[0057] The liquid storage container 24 is detachably inverted and mounted on the mounting base 23, forming a liquid storage chamber 21 through a sealed fit with the mounting base 23. When the liquid storage container 24 is inverted and assembled, its internal cavity forms a sealed space with the mating surface of the mounting base 23. The pressurized gas delivered by the air inlet 231 enters the top of the liquid storage chamber 21 (i.e., the bottom of the liquid storage container 24), while the liquid is stored in the lower part of the liquid storage chamber 21. The liquid is pushed towards the liquid outlet 232 by the air pressure.

[0058] Before use, invert the entire instrument housing 1 so that the mounting base 23 faces downwards, facilitating the installation of the liquid storage container 24. Align the open end of the liquid storage container 24, filled with nursing fluid, with the mounting base 23 and tighten it using threads or snap-fit ​​mechanisms. The two are sealed together by a sealing ring to form a sealed liquid storage chamber 21. Then, return the housing 1 to its original position and place it stably on the desktop stand. After starting the instrument, the pressurized gas generated by the pressurized gas source 22 enters the top of the liquid storage chamber 21 through the pressurized gas channel and the air inlet 231 of the mounting base 23. Under the action of air pressure, the liquid in the liquid storage chamber 21 flows into the liquid outlet channel through the liquid outlet 232 of the mounting base 23 and is precisely injected into the spray tube 312 to complete the liquid supply preparation. When the liquid in the liquid storage container 24 is exhausted, the empty liquid storage container 24 can be removed and replaced with a new one, or refilled with liquid and reinstalled for continued use.

[0059] Reference Figure 5 A sealing element 25 is provided between the mating surfaces of the mounting base 23 and the liquid storage container 24. Specifically, the mating surfaces of the mounting base 23 and the liquid storage container 24 are provided with an annular sealing groove, in which the sealing element 25 is embedded to ensure a reliable seal after assembly. The sealing element 25 can be a silicone sealing ring.

[0060] Reference Figure 5 In some preferred embodiments, the air inlet 231 extends to the upper part of the liquid storage chamber 21 to ensure that the pressurized gas always acts on the gas phase space of the liquid storage chamber 21. The extended portion of the air inlet 231 can be a tubular structure integrally formed with the mounting base 23. This extension tube directly delivers the pressurized gas into the gas phase space, driving the liquid to flow uniformly towards the liquid outlet channel. Even if the liquid volume is nearly exhausted, the extension tube is still in the gas phase, which can press out almost all the remaining liquid, significantly reducing waste.

[0061] Reference Figure 7In some preferred embodiments, the phototherapy spray device further includes a Venturi jet 6, which includes an inlet section 61, a constriction section 62, a throat section 63, and a diffuser section 64 connected sequentially along the fluid flow direction. The inlet section 61 is connected to the spray port 313 of the spray chamber 31. The cross-sectional area of ​​the constriction section 62 gradually decreases along the flow direction, and the cross-sectional area of ​​the diffuser section 64 gradually increases along the flow direction to form a fluid outlet 641. The throat section 63 is provided with an air intake 631 that communicates with the outside atmosphere. The Venturi jet 6 is connected in series with the spray port 313 of the spray chamber 31. After the high-pressure airflow is accelerated through the three sections of constriction, throat, and diffuser, a local negative pressure is formed, which draws in outside air from the throat air intake 631. The airflow violently shears against the atomized liquid in the turbulent zone, breaking the droplets to below 10 μm. The diffuser section 64 decelerates and widens the angle, making the atomization zone wide and uniform, and avoiding local accumulation.

[0062] Reference Figure 2 , Figure 3 and Figure 5 The phototherapy spray device also includes a rechargeable battery 7 and a charging interface 8. The rechargeable battery 7 is electrically connected to the control board 5. The charging interface 8 is electrically connected to the control board 5 and is used to connect to an external power source. The built-in rechargeable battery 7 supplies power to the atomizing components and phototherapy unit 4 via the control board 5, enabling the phototherapy spray device to operate even without mains power; the charging interface 8 replenishes the battery's power through the control board 5, achieving cyclic charging and discharging, improving portability and usage flexibility.

[0063] Among them, reference Figure 5 and Figure 6 The impact component 32 is a piston. The spray chamber 31 is composed of a cylinder 311 and a spray pipe 312. The inner cavity of the cylinder 311 is precisely slidably fitted with the outer diameter of the piston to form a high-pressure air chamber. The spray pipe 312 is fixed to the front end of the cylinder 311 and extends outward. Its internal channel is connected to the inner cavity of the cylinder 311 to form a long and narrow high-pressure air passage. The spray nozzle 313 is located at the end of the spray farthest from the cylinder 311. The liquid outlet channel of the liquid supply unit 2 is laterally connected to the middle section of the spray pipe 312, so that the liquid is drawn by negative pressure when the high-pressure airflow passes through and is instantly atomized and sprayed out at the spray nozzle 313. This structure ensures that the piston returns to store energy and directly guides the high-pressure pulse to the spray nozzle 313, achieving efficient and instantaneous impact atomization.

[0064] The piston includes a piston head 321 that matches the cylinder body 311 and a piston sleeve 322 that is fixedly connected to the rack 334. The piston head 321 has a mounting groove, and the internal dimension of the mounting groove is larger than the opening dimension. One end of the piston sleeve 322 has a connector 3221 that matches the shape of the mounting groove. The connector 3221 is inserted into the mounting groove to form an axial self-locking fit, and the energy storage and reset element 335 abuts against the piston sleeve 322. That is, the piston head 321 has a T-shaped self-locking groove, and the axial self-locking is completed by inserting the connector 3221 at the front end of the piston sleeve 322, without the need for screws. If the piston head 321 is damaged, the piston head 321 can be replaced separately.

[0065] The rack 334 is rigidly connected to the plug cylinder 322, and both are parallel to the piston cylinder axis. A clearance is formed between the piston and the rack 334 to avoid interference with the piston cylinder wall. The tail end of the plug cylinder 322 is rigidly coaxially connected to the rack 334, with a clearance reserved to avoid interference with movement.

[0066] The above are merely preferred embodiments of this application and are not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A phototherapy spray device, characterized in that, include: Liquid supply unit, used to supply liquid; A spray impact mechanism includes a spray chamber, an impact component, and a drive unit; the spray chamber has a spray port communicating with the liquid supply unit; the impact component is movably disposed in the spray chamber and can be close to or away from the spray port; the drive unit is connected to the impact component and is used to drive the impact component to reciprocate so that the liquid is sprayed out from the spray port and atomized. A phototherapy unit for emitting therapeutic light, wherein the light emission direction is the same as the opening direction of the spray nozzle; and The control board is electrically connected to the drive unit and the phototherapy unit.

2. The phototherapy spray device according to claim 1, characterized in that, The drive unit includes a drive assembly and an energy storage and reset component; The driving component is used to drive the impact component to move away from the spray nozzle to reach a designated position; the energy storage and reset component is connected to the impact component to elastically store energy when the impact component moves away from the spray nozzle, and reset the impact component to the initial position after the impact component reaches the designated position.

3. The phototherapy spray device according to claim 2, characterized in that, The driving component includes: Rotary drive; A sector gear, driven to rotate by the rotary actuator, has a toothed region and a toothless region on its circumference; and A rack, fixedly connected to the impact component, is used to engage with the sector gear when the toothed area rotates to the meshing position, so as to drive the impact component away from the spray nozzle; When the toothless region rotates to the meshing position, the sector gear disengages from the rack, and the energy storage reset member drives the impact component to rush toward the spray nozzle.

4. The phototherapy spray device according to claim 2, characterized in that, The driving unit includes: Rotary drive; The entire gear, driven to rotate by the rotary actuator; and A rack is fixedly connected to the impact component and meshes with the full gear; In this configuration, after the energy storage and reset component has completed energy storage, the rotary actuator cuts off the driving torque, and the energy storage and reset component drives the impact component to rush toward the spray nozzle.

5. The phototherapy spray device according to claim 4, characterized in that, The rotary drive is a motor, and the cut-off drive torque is achieved by cutting off the power to the motor or reducing the current.

6. The phototherapy spray device according to claim 1, characterized in that, The liquid supply unit includes: Liquid storage chamber, used to contain liquids; A pressurized air source is electrically connected to the control board; A pressurized air duct, one end connected to the pressurized air source and the other end connected to the liquid storage chamber, is used to deliver pressurized gas into the liquid storage chamber; and The liquid outlet channel is connected at one end to the bottom of the liquid storage chamber and at the other end to the spray nozzle.

7. The phototherapy spray device according to claim 6, characterized in that, The liquid supply unit also includes: The mounting base includes an air inlet and a liquid outlet, wherein the air inlet is connected to the pressurized air passage, and the liquid outlet is connected to the liquid outlet passage; and A liquid storage container is detachably inverted and mounted on the mounting base, and is sealed to the mounting base to form the liquid storage chamber.

8. The phototherapy spray device according to claim 7, characterized in that, A sealing element is provided between the mating surface of the mounting base and the liquid storage container.

9. The phototherapy spray device according to claim 7, characterized in that, The air inlet extends to the upper part of the liquid storage chamber.

10. The phototherapy spray device according to any one of claims 1-9, characterized in that, The phototherapy spray device also includes: A rechargeable battery, electrically connected to the control board; and The charging interface is electrically connected to the control board and is used to connect to an external power source.

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