阅读说明：本技术 一种紫外线杀菌灯的驱动电路及消毒杀菌设备 (Drive circuit and disinfecting and sterilizing equipment of ultraviolet germicidal lamp ) 是由 王远城 于 2019-09-17 设计创作，主要内容包括：本申请公开了一种紫外线杀菌灯的驱动电路及消毒杀菌设备,应用于集成电路技术领域,用于使得同一消毒杀菌射设备可分别使用多种紫外线杀菌灯,以适用不同的场景。本申请提供的紫外线杀菌灯的驱动电路包括依次顺序连接的电源、钳位控制模块、变压器、开关组件、至少一个紫外线杀菌灯、反馈模块和芯片控制模块,该芯片控制模块还连接该变压器和该反馈模块；该钳位控制模块用于将流入该变压器中电压的幅值移动成该变压器能够处理的范围；该变压器用于根据芯片控制模块的控制输出对应大小的电压；该开关组件用于选通对应的紫外线杀菌灯；被选通的该紫外线杀菌灯用于发出对应波长的紫外线；该芯片控制模块用于供该芯片控制模块实时控制该变压器的功率。(The application discloses drive circuit and disinfecting and sterilizing equipment of sterilamp is applied to integrated circuit technical field for make same disinfecting and sterilizing penetrate equipment and can use multiple sterilamp respectively, in order to be suitable for different scenes. The driving circuit of the ultraviolet germicidal lamp comprises a power supply, a clamping control module, a transformer, a switch assembly, at least one ultraviolet germicidal lamp, a feedback module and a chip control module which are sequentially connected, wherein the chip control module is also connected with the transformer and the feedback module; the clamping control module is used for moving the amplitude of the voltage flowing into the transformer to a range which can be processed by the transformer; the transformer is used for outputting voltage with corresponding magnitude according to the control of the chip control module; the switch component is used for gating the corresponding ultraviolet germicidal lamp; the gated ultraviolet germicidal lamp is used for emitting ultraviolet rays with corresponding wavelengths; the chip control module is used for controlling the power of the transformer in real time by the chip control module.)

1. A drive circuit of an ultraviolet germicidal lamp comprises a power supply and at least one ultraviolet germicidal lamp, and is characterized by further comprising a clamping control module, a transformer, a switch component, a feedback module and a chip control module, wherein the power supply, the clamping control module, the transformer, the ultraviolet germicidal lamp, the switch component and the feedback module are sequentially connected, and the chip control module is respectively connected with the transformer and the feedback module;

the clamping control module is used for moving the amplitude of the voltage flowing into the transformer to a range which can be processed by the transformer;

the transformer is used for outputting voltage with corresponding magnitude according to the control of the chip control module;

the switch assembly is used for gating the corresponding ultraviolet germicidal lamp;

the strobed ultraviolet germicidal lamp is used for emitting ultraviolet rays with corresponding wavelengths;

the chip control module is used for controlling the transformer to output rated voltage of the strobed ultraviolet germicidal lamp;

the feedback module is used for determining the gated ultraviolet germicidal lamp, collecting the voltage flowing through the ultraviolet germicidal lamp, and sending the collected voltage and the gated ultraviolet germicidal lamp to the chip control module in real time for the chip control module to control the power of the transformer in real time.

2. The driving circuit of an ultraviolet germicidal lamp as recited in claim 1, wherein:

the clamping control module is specifically used for shifting down the voltage waveform on the basis of not changing the voltage waveform, and inputting the voltage after waveform shifting down to the transformer.

3. The driving circuit of ultraviolet germicidal lamp as claimed in claim 2, wherein said clamping control module comprises a first diode, a second diode, a third diode, a fourth diode, a capacitor C2, a resistor R3, a resistor R4, an inductor L2, an inductor L3 and a capacitor C3, wherein an anode of said first diode is connected to an anode of said fourth diode, a cathode of said first diode is connected to an anode of said second diode, a cathode of said second diode is connected to a cathode of said third diode, an anode of said third diode is connected to a cathode of said fourth diode, a junction point between said first diode and said second diode is connected to a first connection terminal of said power supply, a junction point between said third diode and said fourth diode is connected to a second connection terminal of said power supply, and a terminal of said capacitor C2 is connected to a junction point between said second diode and said third diode, the other end of the capacitor C2 is connected to a node between the fourth diode and the first diode, the resistor R3 and the inductor L2 are connected in parallel between a positive connection end of the capacitor C2 and a positive connection end of the capacitor C3, the resistor R4 and the inductor L3 are connected in parallel between a negative connection end of the capacitor C2 and a negative connection end of the capacitor C3, and a positive connection end of the capacitor C3 is connected to the transformer.

4. The driving circuit of ultraviolet germicidal lamp as claimed in claim 3, wherein said clamp control module further comprises a resistor R5, a resistor R6, a capacitor C5, a diode D1 and a diode D3, wherein one end of said resistor R6, one end of said capacitor C5 and an anode of said diode D3 are connected in parallel and connected to an anode connection terminal of said capacitor C3, the other end of said resistor R6, the other end of said capacitor C5 and a cathode of said diode D3 are connected in parallel and connected to an anode terminal of said resistor R5, the other end of said resistor R5 is connected to a cathode of said diode D1, and an anode of said diode D1 is connected to said transformer and said chip control module, respectively.

5. The driving circuit of the UV germicidal lamp recited in claim 4, wherein the chip control module comprises a chip with model number LM 5021.

6. The driving circuit of the ultraviolet germicidal lamp as recited in claim 3, further comprising a filtering module, wherein the filtering module is respectively connected to the power supply and the clamping control module;

the filtering module is used for reducing clutter between the first connecting end and the second connecting end of the power supply.

7. The driving circuit of ultraviolet germicidal lamp as claimed in claim 6, wherein said filter module comprises a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, an inductor L4 and an inductor L5, said capacitor C7 is connected to a first connection terminal and a second connection terminal of said power supply respectively, one terminal of said inductor L4 is connected to a positive connection terminal of said capacitor C7, one terminal of said inductor L5 is connected to a negative connection terminal of said capacitor C7, said capacitor C6 is connected to said inductor L4 and said inductor L5 respectively, said capacitor C8 is connected in series with said capacitor C9 and then connected in parallel with said capacitor C6 to form a first bus terminal and a second bus terminal, said first bus terminal is connected to a junction between said first diode and said second diode, and said second bus terminal is connected to a junction between said third diode and said second diode.

8. The driving circuit of the ultraviolet germicidal lamp as recited in claim 1, further comprising an over-current protection module, said over-current protection module being connected to said chip control module;

the overcurrent protection module is used for controlling the current flowing into the chip control module not to exceed the rated current of the chip control module.

9. The driving circuit of the UV germicidal lamp as claimed in one of claims 1 to 8, wherein the switch assembly comprises a relay, the UV germicidal lamp comprises a UVA lamp tube and/or a UVB lamp tube and/or a UVC lamp tube, each UV germicidal lamp is provided with the relay, and the relay is respectively connected with the corresponding UV germicidal lamp and the transformer.

10. A sterilizer device, characterized in that it comprises a drive circuit for the uv germicidal lamp as claimed in any one of claims 1 to 9.

Technical Field

The application relates to the technical field of integrated circuits, in particular to a drive circuit of an ultraviolet germicidal lamp and a disinfection device.

Background

The most common ultraviolet rays are mainly radiation from the sun, and can be divided into long-wave ultraviolet rays UVA (ultraviolet A), medium-wave ultraviolet rays UVB (ultraviolet B) and short-wave ultraviolet rays UVC (ultraviolet C) according to the wavelength, wherein the wavelengths are 320-400 nm, 280-320 nm and 100-280 nm respectively. The ultraviolet ray disinfection and sterilization has wide application range, and can purify air, eliminate musty smell, disinfect water quality, generate a certain amount of negative oxygen ions and achieve the effect of refreshing air in hospitals, schools, nursery houses, cinemas, buses, offices, families and the like. In public places, some germs can be prevented from being transmitted through air or transmitted through the surface of an object through ultraviolet disinfection.

The prior art has integrated sterilamp in some domestic equipment, and some cleaners on the market for example have integrated the ultraviolet sterilization function, but the equipment that has the ultraviolet sterilization function among the prior art sterilization function is single, and is bulky to be convenient for the user to go out and carry, is not convenient for the user to carry out ultraviolet sterilization disinfection in public occasions such as public toilet, public seat.

Disclosure of Invention

The embodiment of the application provides a drive circuit and disinfection and sterilization equipment of sterilamp to solve current sterilamp's the sterilization function singleness, be not convenient for the user go out the technical problem who carries.

According to one aspect of the invention, the driving circuit of the ultraviolet germicidal lamp comprises a power supply, at least one ultraviolet germicidal lamp, a clamping control module, a transformer, a switch assembly, a feedback module and a chip control module, wherein the power supply, the clamping control module, the transformer, the ultraviolet germicidal lamp, the switch assembly and the feedback module are sequentially connected, and the chip control module is respectively connected with the transformer and the feedback module;

the clamping control module is used for moving the amplitude of the voltage flowing into the transformer to a range which can be processed by the transformer;

the transformer is used for outputting voltage with corresponding magnitude according to the control of the chip control module;

the switch component is used for gating the corresponding ultraviolet germicidal lamp;

the gated ultraviolet germicidal lamp is used for emitting ultraviolet rays with corresponding wavelengths;

the chip control module is used for controlling the transformer to output the rated voltage of the strobed ultraviolet germicidal lamp;

the feedback module is used for determining the gated ultraviolet germicidal lamp, collecting the voltage flowing through the ultraviolet germicidal lamp, and sending the collected voltage and the gated ultraviolet germicidal lamp to the chip control module in real time for the chip control module to control the power of the transformer in real time.

According to another aspect of the present invention, there is provided a sterilizer comprising the above-described ultraviolet germicidal lamp driving circuit.

The utility model provides a drive circuit and disinfection and sterilization equipment of sterilamp, adjust the electric current size that flows through in this drive circuit through the clamp control module, pass through the transformer according to the control gating of chip control module corresponding sterilamp, and adjust the size of the voltage that flows through in the sterilamp, the ultraviolet ray of corresponding wavelength is sent out according to the size of this electric current of regulation and voltage through the sterilamp of gating, the power of this transformer is controlled through chip control module, and gather the voltage that flows through this sterilamp through feedback module, and send this voltage of gathering to this chip control module in real time, make the power of this transformer of this chip control module real-time control, this application can pass through the transformer automatic output and the same voltage value of rated voltage of the selected sterilamp, make same disinfection and sterilization shooting equipment can use multiple sterilamp respectively, the ultraviolet germicidal lamp emits ultraviolet rays with corresponding wavelengths so as to be suitable for different scenes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a block diagram of a driving circuit of an ultraviolet germicidal lamp according to an embodiment of the present disclosure;

FIG. 2 is a block diagram of a driving circuit of an ultraviolet germicidal lamp in another embodiment of the present application;

FIG. 3 is a schematic diagram of a driving circuit of the UV germicidal lamp according to an embodiment of the present disclosure;

fig. 4 is a schematic view of a sterilization apparatus according to an embodiment of the present application.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

Implementations of the present application are described in detail below with reference to the following detailed drawings:

fig. 1 is a block diagram of a driving circuit of an ultraviolet germicidal lamp according to an embodiment of the present disclosure, and the driving circuit of an ultraviolet germicidal lamp according to an embodiment of the present disclosure is described in detail below with reference to fig. 1, where the driving circuit includes a power supply 01 and at least one ultraviolet germicidal lamp, and further includes a clamping control module 02, a transformer 03, a switch assembly, a feedback module 05 and a chip control module 06, the power supply 01, the clamping control module 02, the transformer 03, the ultraviolet germicidal lamp, the switch assembly and the feedback module 05 are sequentially connected, and the chip control module 06 is respectively connected to the transformer 03 and the feedback module 05;

the clamping control module 02 is used for moving the amplitude of the voltage flowing into the transformer 03 to a range that the transformer 03 can handle;

the transformer 03 is used for outputting voltage with corresponding magnitude according to the control of the chip control module 06;

the switch assembly is used for turning on the corresponding uv germicidal lamp, and as shown in fig. 3, the switch assembly includes, but is not limited to, the switch D2_1, the switch D2_2, and the switch D2_3 in fig. 3.

The gated ultraviolet germicidal lamp is used for emitting ultraviolet rays with corresponding wavelengths;

the chip control module 06 is used for controlling the transformer 03 to output the rated voltage of the strobed ultraviolet germicidal lamp;

the feedback module 05 is configured to determine the strobed sterilamp, collect the voltage flowing through the sterilamp, and send the collected voltage and the strobed sterilamp to the chip control module 06 for the chip control module 06 to control the power of the transformer 03 in real time.

According to a usage scenario of this embodiment, for example, a user may gate a corresponding uv-germicidal lamp by turning on a switch in a switch assembly according to actual needs, a feedback module sends the gated uv-germicidal lamp to a chip control module, the chip control module controls a transformer to output a voltage value that is the same as a rated voltage of the gated uv-germicidal lamp, the feedback module further collects a voltage flowing through the uv-germicidal lamp in real time, and sends the collected voltage and the gated uv-germicidal lamp to the chip control module in real time for the chip control module to control the power of the transformer in real time, so that the voltage output by the transformer may be kept the same as the rated voltage of the gated uv-germicidal lamp, and an inductance coil in the clamp control module may implement charging energy storage, when the switch of the circuit driving circuit is closed, When the circuit is conducted, the clamping control module provides electric energy for the circuit on one hand, and on the other hand, under the condition that the peak-to-peak value of the voltage and the voltage waveform form are not changed, the voltage flowing through the transformer is moved upwards or downwards, and the amplitude of the voltage flowing into the transformer is moved to the range which can be processed by the transformer.

The embodiment adjusts the current flowing through the driving circuit through the clamping control module, gates the corresponding ultraviolet germicidal lamp according to the control of the chip control module through the transformer, adjusts the voltage flowing through the ultraviolet germicidal lamp, emits the ultraviolet rays with the corresponding wavelength according to the adjusted current and voltage through the gated ultraviolet germicidal lamp, controls the power of the transformer through the chip control module, collects the voltage flowing through the ultraviolet germicidal lamp through the feedback module, and sends the collected voltage to the chip control module in real time, so that the chip control module controls the power of the transformer in real time, the power control module can automatically output the voltage value which is the same as the rated voltage of the selected ultraviolet germicidal lamp through the transformer, so that the same disinfection and sterilization emitting device can respectively use a plurality of ultraviolet germicidal lamps and emit the ultraviolet rays with the corresponding wavelength through the ultraviolet germicidal lamps, so as to be suitable for different sterilization scenes.

In one embodiment, the clamp control module 02 is specifically configured to shift down the voltage waveform without changing the voltage waveform, and input the voltage after the waveform shift to the transformer 03.

Fig. 3 is a schematic structural diagram of a driving circuit of an ultraviolet germicidal lamp according to an embodiment of the present invention, in which, as shown in fig. 3, the clamp control module 02 includes a first diode, a second diode, a third diode, a fourth diode, a capacitor C2, a resistor R3, a resistor R4, an inductor L2, an inductor L3, and a capacitor C3, an anode of the first diode is connected to an anode of the fourth diode, a cathode of the first diode is connected to an anode of the second diode, a cathode of the second diode is connected to a cathode of the third diode, an anode of the third diode is connected to a cathode of the fourth diode, a junction between the first diode and the second diode is connected to a first connection terminal of the power supply 01, a junction between the third diode and the fourth diode is connected to a second connection terminal of the power supply 01, an end of the capacitor C2 is connected to a junction between the second diode and the third diode, the other end of the capacitor C2 is connected to a node between the fourth diode and the first diode, the resistor R3 and the inductor L2 are connected in parallel between the positive connection end of the capacitor C2 and the positive connection end of the capacitor C3, the resistor R4 and the inductor L3 are connected in parallel between the negative connection end of the capacitor C2 and the negative connection end of the capacitor C3, and the positive connection end of the capacitor C3 is connected to the transformer 03.

In one embodiment, the clamping control module 02 further includes a resistor R5, a resistor R6, a capacitor C5, a diode D1, and a diode D3, wherein one end of the resistor R6, one end of the capacitor C5, and an anode of the diode D3 are connected in parallel and connected to an anode connection end of the capacitor C3, the other end of the resistor R6, the other end of the capacitor C5, and a cathode of the diode D3 are connected in parallel and connected to an end of the resistor R5, the other end of the resistor R5 is connected to a cathode of the diode D1, and an anode of the diode D1 is connected to the transformer 03 and the chip control module 06, respectively.

In one embodiment, the chip control module 06 includes a chip with a model LM5021, and the connection of the chip LM5021 is shown in fig. 3.

Fig. 2 is a block diagram of a driving circuit of a uv germicidal lamp according to another embodiment of the present disclosure, in one embodiment, as shown in fig. 2, the driving circuit of the uv germicidal lamp further includes a filter module 07, and the filter module 07 is respectively connected to the power supply 01 and the clamp control module 02;

the filter module 07 is used to reduce noise between the first connection terminal and the second connection terminal of the power supply 01.

In one embodiment, the filter module 07 includes a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, an inductor L4, and an inductor L5, the capacitor C7 is connected to the first connection end and the second connection end of the power supply 01, the inductor L4 is connected to the positive connection end of the capacitor C7, the inductor L5 is connected to the negative connection end of the capacitor C7, the capacitor C6 is connected to the inductor L4 and the inductor L5, the capacitor C8 is connected in series with the capacitor C9 and then connected in parallel with the capacitor C6 to form a first bus end and a second bus end, the first bus end is connected to a node between the first diode and the second diode, and the second bus end is connected to a node between the third diode and the second diode.

In one embodiment, as shown in fig. 2, the chip control module further includes an overcurrent protection module 08, and the overcurrent protection module 08 is connected to the chip control module 06;

the overcurrent protection module 08 is used for controlling the current flowing into the chip control module 06 not to exceed the rated current of the chip control module 06.

In this embodiment, the overcurrent protection module 08 can be the capacitor C10 in fig. 3, the connection relationship between the capacitor C10 and other modules is as shown in fig. 3, one end of the capacitor C10 is grounded, the other end of the capacitor C10 is connected to both the chip control module and the clamp control module, and when the current output by the clamp control module is too large, the capacitor C10 is broken down, so that the current flows into the ground, and the chip LM5021 in the chip control module is not damaged by the too large current and voltage.

In one embodiment, the switch assembly includes a relay, as shown in fig. 3, each of the switch D2_1, the switch D2_2 and the switch D2_3 is a relay type switch, the ultraviolet germicidal lamps include a UVA lamp tube and/or a UVB lamp tube and/or a UVC lamp tube, each of the ultraviolet germicidal lamps is provided with the relay, and the relays are respectively connected to the corresponding ultraviolet germicidal lamp and the transformer 03.

In this embodiment, different ultraviolet light sterilization wavelengths are different, and the corresponding sterilization effects are also different, for example, the UVA wavelength is between 320 to 400nm, which is also called long-wave black spot effect ultraviolet light. Has strong penetrating power, can penetrate through glass, and can be used for curing printed documents, data, pictures and the like. The wavelength of UVB is 280-320 nanometers, wherein the wave band between 295-313 nanometers is the most safe wave band for human body, and the UVB can be used for treating skin diseases. The UVC has a wavelength of 200-275 nm, and is also called short wave sterilization ultraviolet. The product has the weakest penetrating power, can not penetrate most of transparent glass and plastic, can be used for sterilizing, promoting bone development, benefiting blood color, treating certain skin diseases, and promoting mineral metabolism and vitamin D formation in vivo.

The user can selectively turn on the corresponding ultraviolet germicidal lamp according to actual needs to be suitable for the corresponding scene.

According to another embodiment of the present application, a disinfection and sterilization device is provided, and fig. 4 is a schematic diagram of a disinfection and sterilization device in an embodiment of the present application, and as shown in fig. 4, the disinfection and sterilization device includes the above-mentioned drive circuit 100 of the ultraviolet germicidal lamp.

The disinfection and sterilization equipment provided by the embodiment adjusts the current flowing through the drive circuit comprising the ultraviolet sterilization lamp, the corresponding ultraviolet sterilization lamp is gated through the transformer according to the control of the chip control module, the voltage flowing through the ultraviolet sterilization lamp is adjusted, the ultraviolet rays with the corresponding wavelength are emitted through the gated ultraviolet sterilization lamp according to the adjusted current and voltage, the power of the transformer is controlled through the chip control module, the voltage flowing through the ultraviolet sterilization lamp is collected through the feedback module, and the collected voltage is transmitted to the chip control module in real time, so that the chip control module controls the power of the transformer in real time, the application can automatically output the voltage value which is the same as the rated voltage of the selected ultraviolet sterilization lamp through the transformer, and the same disinfection and sterilization radiation equipment can respectively use a plurality of ultraviolet sterilization lamps, the ultraviolet germicidal lamp emits ultraviolet rays with corresponding wavelengths so as to be suitable for different germicidal scenes.

It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.