UV lamp driving assembly, closestool nozzle device and intelligent closestool

Abstract

The utility model discloses a UV lamp driving assembly, a closestool nozzle device and an intelligent closestool, and relates to the technical field of sanitary ware, the UV lamp driving assembly comprises a switch tube, the switch tube comprises a first end, a second end and a third end, the first end of the switch tube is electrically connected with a closestool main control panel, and the second end of the switch tube is grounded; the sterilization lamp panel is provided with a UV lamp, the UV lamp comprises a first end and a second end, and the first end of the UV lamp is electrically connected with the power supply; the constant current control module comprises a protection resistor, the protection resistor comprises a first end and a second end, the first end of the protection resistor is electrically connected with the second end of the UV lamp, and the second end of the protection resistor is electrically connected with the third end of the switch tube. According to the sterilization lamp panel, the working heat in the sterilization lamp panel space can be reduced, and then the service life of the UV lamp arranged in the sterilization lamp panel is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to, but is not limited to, the technical field of sanitary wares, and in particular to a UV lamp driving assembly, a toilet nozzle device, and a smart toilet. BACKGROUND

[0002] A smart toilet is a sanitary device that combines modern technology and convenience, and is usually equipped with various intelligent functions to provide a more comfortable and convenient user experience. For example, a toilet nozzle is provided in the smart toilet to provide better cleaning services to the user, and the toilet nozzle is stored back into the smart toilet when it is in an unused state and is subjected to sterilization treatment using an ultraviolet lamp (UV lamp).

[0003] In related technologies, a UV lamp and a resistance with a suitable resistance value are arranged in a sterilization lamp panel to enable the UV lamp to enter a working state based on a defined current value. However, the structure space of the sterilization lamp panel in which the UV lamp is installed is limited, and the additional resistance increases the working heat that is difficult to dissipate in the sterilization lamp panel. CONTENT OF THE INVENTION

[0004] The present application provides a UV lamp driving assembly, a toilet nozzle device, and a smart toilet, which aims to reduce the working heat in the space of the sterilization lamp panel, and thereby prolong the service life of the UV lamp arranged in the sterilization lamp panel.

[0005] In a first aspect, the present application provides a UV lamp driving assembly, comprising:

[0006] A switch tube, the switch tube comprising a first end, a second end, and a third end, the first end of the switch tube being electrically connected to a toilet main control panel, and the second end of the switch tube being grounded;

[0007] A sterilization lamp panel, the sterilization lamp panel being provided with a UV lamp, the UV lamp comprising a first end and a second end, and the first end of the UV lamp being electrically connected to a power supply;

[0008] A constant current control module, the constant current control module comprising a protection resistor, the protection resistor comprising a first end and a second end, the first end of the protection resistor being electrically connected to the second end of the UV lamp, and the second end of the protection resistor being electrically connected to the third end of the switch tube;

[0009] When the first end of the switch tube receives a high-level signal from the toilet main control panel, the third end of the switch tube is turned on with the second end of the switch tube and forms a closed loop to drive the UV lamp to enter a working state.

[0010] In some embodiments, the constant current control module further comprises a triode and a voltage stabilizer, the triode and the voltage stabilizer each comprise a first end, a second end and a third end, the first end of the triode is electrically connected with the power supply, the second end of the triode is electrically connected with the second end of the UV lamp, the first end of the voltage stabilizer is electrically connected with the first end of the triode, the second end of the voltage stabilizer is electrically connected with the third end of the triode, and the third end of the voltage stabilizer is electrically connected with the third end of the switch tube; the first end of the protection resistor is electrically connected with the third end of the triode, and the second end of the protection resistor is electrically connected with the third end of the switch tube.

[0011] In some embodiments, the UV lamp driving assembly further comprises a voltage stabilizing diode, the voltage stabilizing diode comprises a first end and a second end, the first end of the voltage stabilizing diode is electrically connected with the first end of the UV lamp, and the second end of the voltage stabilizing diode is grounded.

[0012] In some embodiments, the switch tube is a MOS tube, the MOS tube comprises an NMOS tube and a PMOS tube; when the MOS tube is the NMOS tube, the first end of the switch tube is a first gate, the second end of the switch tube is a first source, and the third end of the switch tube is a first drain, the first drain and the first source are turned on and form a closed loop when the first gate receives a high-level signal from the main control board of the closestool; when the MOS tube is the PMOS tube, the first end of the switch tube is a second gate, the second end of the switch tube is a second drain, and the third end of the switch tube is a second source, the second source and the second drain are turned on and form a closed loop when the second gate receives a high-level signal from the main control board of the closestool.

[0013] In some embodiments, the triode comprises an NPN triode and a PNP triode, when the triode is the NPN triode, the first end of the triode is a first base, the second end of the triode is a first collector, and the third end of the triode is a first emitter; when the triode is the PNP triode, the first end of the triode is a second base, the second end of the triode is a second emitter, and the third end of the triode is a second collector.

[0014] In some embodiments, when the protection resistor comprises a first protection resistor and a second protection resistor, the first protection resistor and the second protection resistor are in series or in parallel.

[0015] In some embodiments, the UV lamp driving assembly further comprises a first resistor and a second resistor, the first end of the first resistor is electrically connected with the main control board of the closestool, the second end of the first resistor and the first end of the second resistor are electrically connected with the first end of the switch tube, the second end of the second resistor is grounded, and the threshold voltage of the switch tube is higher than the threshold voltage of the second resistor.

[0016] In some embodiments, the UV lamp driving assembly further comprises a third resistor and a fourth resistor, a first end of the third resistor and a first end of the fourth resistor are electrically connected to the power supply, a second end of the third resistor is electrically connected to the first end of the voltage stabilizer, and a second end of the fourth resistor is electrically connected to the first end of the UV lamp.

[0017] In a second aspect, the embodiments of the present application provide a toilet nozzle device, comprising the UV lamp driving assembly in the first aspect, and the toilet nozzle device further comprises a nozzle assembly, the nozzle assembly comprising a nozzle and a nozzle rod, the nozzle rod being in sliding connection with the UV lamp driving assembly.

[0018] When the nozzle assembly is in the retracted state, the nozzle is arranged opposite to the UV lamp in the UV lamp driving assembly, and the UV lamp enters the working state and performs sterilization treatment on the nozzle.

[0019] In a third aspect, the embodiments of the present application provide a smart toilet, comprising the UV lamp driving assembly in the first aspect or the toilet nozzle device in the second aspect.

[0020] The embodiments of the present application provide a UV lamp driving assembly, a toilet nozzle device and a smart toilet, the UV lamp driving assembly comprising a switch tube, the switch tube comprising a first end, a second end and a third end, the first end of the switch tube being electrically connected to a toilet main control board, and the second end of the switch tube being grounded; a sterilization lamp plate, the sterilization lamp plate being provided with a UV lamp, the UV lamp comprising a first end and a second end, and the first end of the UV lamp being electrically connected to a power supply; and a constant current control module, the constant current control module comprising a protection resistor, the protection resistor comprising a first end and a second end, the first end of the protection resistor being electrically connected to the second end of the UV lamp, and the second end of the protection resistor being electrically connected to the third end of the switch tube; wherein when the first end of the switch tube receives a high-level signal from the toilet main control board, the third end of the switch tube is conducted with the second end of the switch tube and forms a closed loop to drive the UV lamp to enter the working state. While stabilizing the voltage across the UV lamp and making a stable current flow through the UV lamp to make the UV lamp enter a stable working state, since only one main component, i.e. the UV lamp, is arranged in the sterilization lamp plate, the working heat of the sterilization lamp plate is reduced, and thus the service life of the UV lamp arranged in the sterilization lamp plate is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a circuit structure schematic diagram of a UV lamp driving assembly provided by an embodiment of the related art;

[0022] Figure 2 is a circuit structure schematic diagram of a UV lamp driving assembly provided by an embodiment of the present application;

[0023] Figure 3 is a perspective structure schematic diagram of a smart toilet provided by an embodiment of the present application;

[0024] Figure 4 is a schematic diagram of a toilet nozzle device provided by one embodiment of the present application;

[0025] The figure mark: switch tube 110, sterilization lamp plate 120, UV lamp 121, first protection resistance 131, second protection resistance 132, constant current control module 140, triode 141, voltage stabilizer 142, first resistance 151, second resistance 152, third resistance 153, fourth resistance 154, UV lamp driving assembly 160, toilet nozzle device 170, nozzle device 171, nozzle rod 172, intelligent toilet 180, leakage protection assembly 190. DETAILED DESCRIPTION

[0026] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by the upper, lower, front, rear, left, right and the like based on the orientation or position relationship shown in the drawings, is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0027] It should be understood that in the description of the embodiments of the present application, if the meaning of one is more than one, the meaning of multiple (or multiple) is more than two, greater than, less than, more than, etc. The above, below, within, etc. are understood to include the number. If there is a description of "first", "second", etc., it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0028] In the description of the embodiments of the present application, unless otherwise explicitly limited, the words such as setting, installing, connecting, etc. should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the embodiments of the present application in combination with the specific content of the technical solution.

[0029] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are included in at least one embodiment or example of the present application. In the specification, the exemplary description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The following will be described in combination with Figures 1 to 4 The embodiments of the present application will be further described, wherein the specific structures of each Figures 1 to 4There are many references to it.

[0031] The intelligent toilet is a sanitary device that combines modern technology and convenience, which is usually equipped with various intelligent functions to provide a more comfortable and convenient user experience. For example, the intelligent toilet is provided with a toilet nozzle to provide better cleaning service for the user, and the toilet nozzle is stored back into the intelligent toilet when it is in an unused state and is sterilized using a UV lamp.

[0032] It should be noted that since the UV lamp is a voltage-sensitive device, the instantaneous high voltage generated when the switch tube is turned on can cause a very large current to flow through the UV lamp, which can burn out the UV lamp. Therefore, a suitable and stable current is needed to drive the UV lamp.

[0033] In the related art, for example, as shown in Figure 1 , Figure 1 is a circuit structure schematic diagram of a UV lamp driving assembly provided by an embodiment of the related art. The UV lamp and the resistor R0 are usually arranged in a sterilization lamp plate. One end of the sterilization lamp plate is electrically connected to a power supply through terminals (CN1 and CN2), and the other end of the sterilization lamp plate is electrically connected to a UV-LED end on a toilet main control board through a switch tube, and the opening or closing of the UV lamp is controlled through the switch tube Q1. In this way, although the size of the current flowing through the UV lamp can be limited, since the structure space of the sterilization lamp plate in which the UV lamp is installed is limited and restricted by the structure of the toilet nozzle, the sterilization lamp plate cannot be enlarged, and therefore the circuit structure used in the related art increases the working heat that is difficult to dissipate in the sterilization lamp plate.

[0034] Based on this, the embodiments of the present application propose a UV lamp driving assembly, a toilet nozzle device and an intelligent toilet, which will be described in detail below, and the beneficial effects of each part will gradually appear.

[0035] First, the UV lamp driving assembly proposed by the embodiments of the present application is introduced, as shown in Figure 2 , Figure 2 is a circuit structure schematic diagram of a UV lamp driving assembly provided by an embodiment of the present application. The UV lamp driving assembly comprises:

[0036] The switch tube 110 comprises a first end, a second end and a third end. The first end of the switch tube 110 is electrically connected to a toilet main control board, and the second end of the switch tube 110 is grounded.

[0037] The sterilization lamp plate 120 is provided with a UV lamp 121. The UV lamp 121 comprises a first end and a second end. The first end of the UV lamp 121 is electrically connected to a power supply.

[0038] The constant current control module 140 includes a protection resistor, the protection resistor includes a first end and a second end, the first end of the protection resistor is electrically connected with the second end of the UV lamp 121, and the second end of the protection resistor is electrically connected with the third end of the switch tube 110.

[0039] When the first end of the switch tube 110 receives a high-level signal from the main control board of the closestool, the third end of the switch tube 110 is conducted with the second end of the switch tube 110 and forms a closed loop to drive the UV lamp 121 into a working state.

[0040] In the example of the constant current control module 140, Figure 2 , d1 is the first end of the switch tube 110, d2 is the second end of the switch tube 110, and d3 is the third end of the switch tube 110. CN1 and CN2 are both connection terminals.

[0041] The switch tube 110 can be a Metal-Oxide-Semiconductor Field-Effect Transistor (MOS tube), which includes an N-type MOS tube (NMOS tube) and a P-type MOS tube (PMOS tube). When the MOS tube is an NMOS tube, as shown in Figure 2 , the first end of the switch tube 110 is a first gate (G), the second end of the switch tube 110 is a first source (S), and the third end of the switch tube 110 is a first drain (D). When the first gate receives a high-level signal from the main control board of the closestool, the first drain is conducted with the first source and forms a closed loop. After the electric signal in the power supply flows through the UV lamp 121, the electric signal flows from the D to the S and finally flows into the ground, and the UV lamp 121 is turned on.

[0042] Further, when the MOS tube can also be a PMOS tube, the first end of the switch tube 110 is a second gate, the second end of the switch tube 110 is a second drain, and the third end of the switch tube 110 is a second source. When the second gate receives a high-level signal from the main control board of the closestool, the second source is conducted with the second drain and forms a closed loop. After the electric signal in the power supply flows through the UV lamp 121, the electric signal flows from the S to the D and finally flows into the ground, and the UV lamp 121 is turned on.

[0043] Further, the power supply voltage can be 12 volts (V), or the power supply can be selected according to the specific driving voltage required by the UV lamp. The power supply voltage is not specifically limited in the embodiment of the application.

[0044] Further, the switch tube 110 can also be an Insulate-Gate Bipolar Transistor (IGBT), a power triode, a thyristor, etc., and the switch tube 110 can be specifically set according to actual conditions, and the embodiments of the present application also do not limit this.

[0045] Further, the main control board of the closestool generally consists of a control unit, a sensing unit, a load unit, a driving unit, etc. Among them, the control unit is the core part of the entire closestool main control circuit, which is used to control a series of functions of the intelligent closestool 180 except for turning on the UV lamp 121, such as heating, flushing, drying, sterilization, etc.; the sensing unit is responsible for sensing the approach of the user's body and the temperature of the environment and other information, thereby realizing automatic operation; the load unit refers to various peripheral devices that can realize various functions of the closestool, such as a heating plate, a nozzle assembly, a dryer, a series of components such as the UV lamp 121; the driving unit is various motors, motors and other devices, which are used to drive the operation of the load unit. The module for controlling the opening or closing of the UV lamp 121 on the closestool main control board is indirectly electrically connected between the UV-LED end in Figure 2 and the UV lamp 121; when the user wants to turn on or turn off the UV lamp 121, the program burned in the intelligent closestool 180 sends a high-level signal or a low-level signal based on the UV-LED end controlled by the closestool main control board, to control the opening or closing of the UV lamp 121.

[0046] Further, as shown in Figure 3 , the Figure 3 is a perspective structural schematic diagram of the intelligent closestool 180 provided by an embodiment of the present application. It needs to be first stated that, for highlighting the description emphasis of the embodiments of the present application, irrelevant components in the Figure 3 are not shown, and the reader is aware. Among them, the UV lamp driving assembly 160 in the embodiments of the present application is slidingly arranged in the closestool nozzle device 170 in the embodiments of the present application. Limited by the structure space of the closestool nozzle device 170 and the intelligent closestool 180, the space of the sterilization lamp plate 120 in the UV lamp driving assembly 160 is very limited. The sterilization lamp plate 120 in the embodiments of the present application only installs the UV lamp 121 and the connection terminal, and does not install the remaining components except for the necessary wiring. In this way, no working heat except for the UV lamp 121 will be generated in the narrow sterilization lamp plate 120, so as to avoid that the temperature in the sterilization lamp plate 120 is too high to damage the UV lamp 121, thereby affecting the service life of the UV lamp 121.

[0047] Among them, the leakage protection assembly 190 is used for connection with the mains. The leakage protection assembly 190 is a safety device capable of detecting leakage current in an electrical device or circuit. When it detects that the leakage current is greater than the set value, it can quickly act to cut off the accident power, thereby preventing accidents caused by leakage.

[0048] The germicidal lamp board 120 can be a printed circuit board (PCB) of a specific size, configured to correspond to the size of the toilet nozzle assembly 170. The germicidal lamp board 120 typically varies in size with the toilet nozzle assembly 170, but due to physical space constraints, the germicidal lamp board 120 will not be too large.

[0049] Among them, UV lamp 121 can be divided into the following types according to different classification standards:

[0050] ① Ultraviolet A (UVA): The wavelength is between 320 and 400 nm, also known as long-wave dark spot effect ultraviolet. UVA is mainly used in light curing, plate making and other fields;

[0051] ②Ultraviolet B (UVC): The wavelength is between 290 and 320 nm. UVB has an erythema effect on the human body and can promote mineral metabolism and the formation of vitamin D in the body. However, long-term or excessive exposure will cause tanning of the skin and cause redness, swelling and peeling. UVB is also mainly used for ultraviolet testing and medical treatment.

[0052] ③ Ultraviolet C (UVC): With a wavelength between 200 and 275 nm, this light is also known as short-wave germicidal UV. UVC has the weakest penetrating power and cannot penetrate most transparent glass and plastics, but it is highly effective in killing bacteria. Even short exposures can burn the skin, while long-term or high-intensity exposure can cause skin cancer. The UVC band is the primary light source for ultraviolet germicidal lamps.

[0053] Furthermore, according to the actual needs of sterilization intensity, UV lamps 121 with different wavelengths can be selected.

[0054] Furthermore, if Figure 2 As shown, the first protection resistor 131 and the second protection resistor 132 are both protection resistors. Figure 2 In the illustrated embodiment, when the protective resistors include a first protective resistor 131 and a second protective resistor 132, the first protective resistor 131 and the second protective resistor 132 are connected in series. Of course, the first protective resistor 131 and the second protective resistor 132 may also be connected in parallel, and the specific setting may be based on the actual current limit required by the UV lamp 121. Alternatively, the number of protective resistors may be one, or multiple (greater than two), depending on the actual situation. When there are multiple protective resistors, the multiple protective resistors may be connected in series, in parallel, or in a combination of series and parallel. Different connection methods are commonly used by those skilled in the art, and therefore, the circuit connection diagrams corresponding to each connection method are not shown in detail.

[0055] Furthermore, the size of the first protection resistor 131 and the second protection resistor 132 can be used to set a current value that satisfies the best sterilization effect of the UV lamp 121. For example, the UV lamp 121 requires a current value of 40 milliamperes (mA) to drive to achieve the best sterilization effect. The stabilized voltage of the voltage regulator 142 is 2.5V, and the total resistance of the first protection resistor 131 and the second protection resistor 132 can be calculated to be 62.5 ohms (Ω). In this way, the resistance of the first protection resistor 131 can be selected to be 27Ω, and the resistance of the second protection resistor 132 can be selected to be 36Ω.

[0056] Among them, Figure 2 In the example of FIG, the protection resistor may be set to the first protection resistor 131. In this case, r1 is the first end of the protection resistor, and r2 is the second end of the protection resistor.

[0057] In some embodiments, as Figure 2 As shown, the constant current control module 140 also includes a transistor 141 and a voltage regulator 142. The transistor 141 and the voltage regulator 142 each include a first end, a second end, and a third end. The first end of the transistor 141 is electrically connected to the power supply, the second end of the transistor 141 is electrically connected to the second end of the UV lamp 121, the first end of the voltage regulator 142 is electrically connected to the first end of the transistor 141, the second end of the voltage regulator 142 is electrically connected to the third end of the transistor 141, and the third end of the voltage regulator 142 is electrically connected to the third end of the switch tube 110; the first end of the protective resistor is electrically connected to the third end of the transistor 141, and the second end of the protective resistor is electrically connected to the third end of the switch tube 110.

[0058] Among them, Figure 2 In the example, a1 is the first end of the Zener diode, a2 is the second end of the Zener diode, and a3 is the third end of the Zener diode; b1 is the first end of the transistor 141, b2 is the second end of the transistor 141, and b3 is the third end of the transistor 141.

[0059] Furthermore, the transistor 141 includes an NPN transistor 141 and a PNP transistor 141. When the transistor 141 is an NPN transistor 141, the first end of the transistor 141 is the first base (Base, B), the second end of the transistor 141 is the first collector (Collector, C), and the third end of the transistor 141 is the first emitter (Emitter, E); after the electrical signal in the power supply flows through the UV lamp 121, the current flows from the first base B to the first emitter E, and from the first collector C to the first emitter E, and the UV lamp 121 lights up.

[0060] Further, when the triode 141 is a PNP type triode 141, the first end of the triode 141 is a second base, the second end of the triode 141 is a second emitter, and the third end of the triode 141 is a second collector. After the electrical signal in the power supply flows through the UV lamp 121, the current flows from the second emitter E to the second base B, from the second emitter E to the second collector C, and the UV lamp 121 is turned on.

[0061] Further, the voltage stabilizer 142 is a device designed to automatically maintain a constant voltage, mainly composed of a voltage regulating circuit, a control circuit, and a servo motor, etc. When the input voltage or load changes, the control circuit will sample, compare, and amplify, and then drive the servo motor to rotate, change the position of the voltage regulator carbon brush, and maintain the stability of the output voltage by automatically adjusting the turns ratio. In this way, even if the operation of other components in the intelligent toilet 180, such as the turning motor, the cover motor, the water pump, and the electromagnetic valve, causes fluctuations in the +12V power supply for the UV lamp driving assembly 160, the voltage stabilizer 142 can still stabilize the voltage across the protection resistor, avoid excessive current from burning out the UV lamp 121, and thus prolong the service life of the UV lamp 121.

[0062] In some embodiments, the UV lamp driving assembly 160 further includes a voltage stabilizing diode, which includes a first end and a second end, the first end of the voltage stabilizing diode is electrically connected to the first end of the UV lamp 121, and the second end of the voltage stabilizing diode is grounded.

[0063] As shown in Figure 2 , the UV lamp driving assembly 160 is further provided with a voltage stabilizing diode (D1) in the constant current control module 140, also known as a Zener diode, which can maintain voltage stability when the current changes greatly in a large range, thereby playing a role in preventing high voltage. In Figure 2 the example, c1 is the first end of the voltage stabilizing diode, and c2 is the second end of the voltage stabilizing diode. Moreover, Figure 2 all GND ends are ground ends.

[0064] In some embodiments, the UV lamp driving assembly 160 further includes a first resistor 151 and a second resistor 152, the first end of the first resistor 151 is electrically connected to the main control board of the toilet, the second end of the first resistor 151 and the first end of the second resistor 152 are electrically connected to the first end of the switch tube 110, the second end of the second resistor 152 is grounded, and the threshold voltage of the switch tube 110 is higher than the threshold voltage of the second resistor 152.

[0065] In the example, Figure 2 , r11 is the first end of the first resistor 151, and r12 is the second end of the first resistor 151; r21 is the first end of the second resistor 152, and r22 is the second end of the second resistor 152.

[0066] The threshold voltage is used to represent that when the input voltage reaches a certain threshold, the corresponding component will respond or switch state. By setting the threshold voltage of the switch tube 110 higher than the threshold voltage of the second resistor 152, it can be ensured that the second end and the third port of the switch tube 110 will not be mistakenly opened due to other interference when the user does not actively turn on the switch tube 110.

[0067] In some embodiments, the UV lamp driving assembly 160 further comprises a third resistor 153 and a fourth resistor 154, the first end of the third resistor 153 and the first end of the fourth resistor 154 are electrically connected with the power supply, the second end of the third resistor 153 is electrically connected with the first end of the voltage stabilizer 142, and the second end of the fourth resistor 154 is electrically connected with the first end of the UV lamp 121.

[0068] In the example of Figure 2 , r31 is the first end of the third resistor 153, and r32 is the second end of the third resistor 153; r41 is the first end of the fourth resistor 154, and r42 is the second end of the fourth resistor 154. The third resistor 153 and the fourth resistor 154 are used to divide voltage and stabilize the circuit for the constant current control module 140, so as to prevent the UV lamp 121 from being burned out by unstable current.

[0069] In some embodiments, as shown in Figure 4 , Figure 4 is a schematic diagram of a toilet nozzle device provided by an embodiment of the present application, Figure 4 is Figure 3 a partial enlarged view, the present application further provides a toilet nozzle device 170, and the above-mentioned UV lamp driving assembly 160 can be arranged in the toilet nozzle. The toilet nozzle device 170 comprises the UV lamp driving assembly 160 and a nozzle assembly, the nozzle assembly comprises a nozzle device 171 and a nozzle rod 172, and the nozzle rod 172 is in sliding connection with the UV lamp driving assembly 160.

[0070] When the nozzle assembly is in the retracted state, the nozzle device 171 is arranged opposite to the UV lamp 121 in the UV lamp driving assembly 160, and the UV lamp 121 enters the working state and performs sterilization treatment on the nozzle device 171. The UV lamp driving assembly 160 provided by the embodiment of the present application only arranges the UV lamp 121 in the sterilization lamp panel 120, so that the working heat generated by the UV lamp 121 can be well dissipated, and the additional working heat generated in the sterilization lamp panel 120 can avoid damage to the UV lamp 121 caused by high temperature.

[0071] Further, when used next time, the nozzle assembly which has completed the sterilization work in advance can be in the unfolded state and spray clean water or cleaning liquid from the nozzle device 171 to clean the buttocks of the user using the intelligent toilet 180.

[0072] In some embodiments, the present application also provides a smart toilet 180, wherein the UV lamp driving assembly 160 or the toilet nozzle device 170 mentioned above can be arranged in the smart toilet 180 to realize the hip cleaning function, and the UV lamp 121 in the smart toilet 180 has a long service life, thereby making the smart toilet 180 more durable.

[0073] It should also be understood that various embodiments provided by the present application can be combined in any manner to achieve different technical effects.

[0074] The above is a specific description of the preferred embodiments of the present application, but the present application is not limited to the above embodiments. Those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the scope defined by the claims of the present application.

Claims

1. A UV lamp drive assembly, characterized by, The application relates to a UV lamp driving assembly for a toilet. The UV lamp driving assembly comprises a switch tube, a sterilization lamp plate, a constant current control module and a voltage stabilizing diode. The switch tube comprises a first end, a second end and a third end, the first end of the switch tube is electrically connected with a toilet master control panel, and the second end of the switch tube is grounded. The sterilization lamp plate is provided with a UV lamp, the UV lamp comprises a first end and a second end, the first end of the UV lamp is electrically connected with a power supply, and the second end of the UV lamp is electrically connected with the constant current control module. The constant current control module comprises a protection resistor, the protection resistor comprises a first end and a second end, the first end of the protection resistor is electrically connected with the second end of the UV lamp, and the second end of the protection resistor is electrically connected with the third end of the switch tube.

2. The UV lamp drive assembly of claim 1, wherein, When the first end of the switch tube receives a high-level signal from the toilet master control panel, the third end of the switch tube is conducted with the second end of the switch tube and forms a closed loop to drive the UV lamp into a working state.

3. The UV lamp drive assembly of claim 1, wherein, The constant current control module further comprises a triode and a voltage stabilizer, the triode and the voltage stabilizer each comprise a first end, a second end and a third end, the first end of the triode is electrically connected with the power supply, the second end of the triode is electrically connected with the second end of the UV lamp, the first end of the voltage stabilizer is electrically connected with the first end of the triode, the second end of the voltage stabilizer is electrically connected with the third end of the triode, the third end of the voltage stabilizer is electrically connected with the third end of the switch tube, the first end of the protection resistor is electrically connected with the third end of the triode, and the second end of the protection resistor is electrically connected with the third end of the switch tube.

4. The UV lamp drive assembly of claim 1, wherein, The UV lamp driving assembly further comprises a voltage stabilizing diode, the voltage stabilizing diode comprises a first end and a second end, the first end of the voltage stabilizing diode is electrically connected with the first end of the UV lamp, and the second end of the voltage stabilizing diode is grounded.

5. The UV lamp drive assembly of claim 2, wherein, The switch tube is a MOS tube, the MOS tube comprises an NMOS tube and a PMOS tube, when the MOS tube is the NMOS tube, the first end of the switch tube is a first gate, the second end of the switch tube is a first source, the third end of the switch tube is a first drain, when the first gate receives a high-level signal from the toilet master control panel, the first drain is conducted with the first source and forms a closed loop, when the MOS tube is the PMOS tube, the first end of the switch tube is a second gate, the second end of the switch tube is a second drain, the third end of the switch tube is a second source, and when the second gate receives a high-level signal from the toilet master control panel, the second source is conducted with the second drain and forms a closed loop.

6. The UV lamp drive assembly of claim 1, wherein, The triode comprises an NPN triode and a PNP triode, when the triode is the NPN triode, the first end of the triode is a first base, the second end of the triode is a first collector, and the third end of the triode is a first emitter, when the triode is the PNP triode, the first end of the triode is a second base, the second end of the triode is a second emitter, and the third end of the triode is a second collector. When the protection resistor comprises a first protection resistor and a second protection resistor, the first protection resistor and the second protection resistor are in series connection or parallel connection.

7. The UV lamp drive assembly of claim 1, wherein, The UV lamp driving assembly further comprises a first resistor and a second resistor, a first end of the first resistor is electrically connected with the toilet master control board, a second end of the first resistor and a first end of the second resistor are electrically connected with the first end of the switch tube, a second end of the second resistor is grounded, and a threshold voltage of the switch tube is higher than a threshold voltage of the second resistor.

8. The UV lamp drive assembly of claim 2, wherein, The UV lamp driving assembly further comprises a third resistor and a fourth resistor, a first end of the third resistor and a first end of the fourth resistor are electrically connected with the power supply, a second end of the third resistor is electrically connected with the first end of the voltage stabilizer, and a second end of the fourth resistor is electrically connected with the first end of the UV lamp.

9. A toilet jet device, characterized by The toilet nozzle device further comprises a nozzle assembly, the nozzle assembly comprises a nozzle and a nozzle rod, and the nozzle rod is in sliding connection with the UV lamp driving assembly. When the nozzle assembly is in the retracted state, the nozzle is oppositely arranged with the UV lamp in the UV lamp driving assembly, the UV lamp enters the working state and performs sterilization treatment on the nozzle.

10. A smart toilet, characterized by comprising: The UV lamp driving assembly or the toilet nozzle device.

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