CN217900124U - Air sterilizer - Google Patents

Abstract

The utility model discloses an air sterilizer, which comprises a shell, a fan, at least two ultraviolet lamps and a controller, wherein the bottom of the shell is provided with an air inlet and is fixedly arranged at a preset height, the fan is arranged at the air inlet, the ultraviolet lamps are arranged at the top of the shell in parallel and horizontally emit ultraviolet rays, and the controller is respectively connected with the fan and all the ultraviolet lamps; according to the input disinfection mode, the controller is used for controlling the fan to rotate at a preset rotating speed and/or controlling a preset number of ultraviolet lamps to disinfect the air in a preset area within a preset time period at a preset radiation intensity. The utility model provides an air disinfector through automatically regulated fan and each ultraviolet lamp's operating condition, realizes multiple disinfection mode, satisfies different disinfection demands in a flexible way, and the disinfection effect is better.

Description

an air sterilizer

technical field

The utility model relates to the field of disinfection equipment, in particular to an air sterilizer.

Background technique

Suspended particles in infectious wards such as tuberculosis are usually contaminated with pathogens, such as bacteria, viruses or other volatile pollutants. To prevent the spread of pathogens, it is necessary to use air sterilizers to sterilize the air in infectious wards. Air sterilizers are widely used. Therefore, it is particularly necessary to optimize the air sterilizer.

Although existing air sterilizers can utilize ultraviolet lamps to sterilize and disinfect indoor air, as shown by the prior art, the existing air sterilizers have a single working mode, and it is difficult to ensure the best disinfection effect.

Utility model content

In view of this, the purpose of this utility model is to provide an air sterilizer. The controller can adjust the working status of the fan and each ultraviolet lamp according to the input disinfection mode, realize multiple disinfection modes, and flexibly meet different disinfection needs. better.

The air sterilizer provided by the utility model comprises:

A casing with an air inlet at the bottom and fixed at a predetermined height;

A fan located at the air inlet;

At least two ultraviolet lamps arranged in parallel on the top of the housing to emit ultraviolet rays horizontally;

A controller connected to the fan and all the UV lamps respectively; according to the input disinfection mode, the controller is used to control the fan to rotate at a preset speed, and/or control a preset number of UV lamps to a preset radiation intensity within a preset time period Disinfect the air in the preset area.

Preferably, the disinfection modes include upper disinfection mode, rapid disinfection mode and enhanced disinfection mode.

Preferably, it also includes a safety detection part for detecting whether the human body enters the ultraviolet rays emitted horizontally, the safety detection part is connected to the controller, and the controller is used to turn off all the ultraviolet lamps when the human body enters the ultraviolet light according to the trigger signal fed back by the safety detection part .

Preferably, a filter arranged at the air inlet is also included.

Preferably, it also includes a shell body and a front side plate hinged to the shell body.

Preferably, a limit support rod is provided between the shell body and the front side plate.

Preferably, it also includes:

A reflector fixed in the housing for reflecting ultraviolet rays;

It is a flat grille fixed on the front side panel for the ultraviolet rays reflected by the reflector to emit horizontally.

Preferably, a ballast connected to all ultraviolet lamps is also included.

Preferably, it also includes:

A temperature detection piece for detecting indoor temperature;

Humidity detection parts for detecting indoor humidity;

monitor;

The temperature detection part, the humidity detection part and the display are all connected to the controller, and the controller is used to control the display to display the temperature signal fed back by the temperature detection part and the humidity signal fed back by the humidity detection part.

Preferably, the preset height is greater than or equal to 2.1m.

Compared with the background technology, the air sterilizer provided by the utility model includes a housing, a fan, at least two ultraviolet lamps and a controller. The bottom of the housing is provided with an air inlet, and the fan is arranged at the air inlet to make the air flow rapidly through the shell. All the ultraviolet lamps are arranged in parallel on the top of the casing, and emit ultraviolet rays horizontally, while the casing is fixed at a preset height, and the horizontally emitted ultraviolet rays can sterilize the upper air.

According to the input disinfection mode, the controller adjusts the working status of the fan and/or each ultraviolet lamp, and sterilizes and disinfects the air in various disinfection modes.

For example, when the disinfection mode is the upper-level disinfection mode, the controller controls the fan to stop, and at the same time controls all the ultraviolet lamps to emit ultraviolet light at a normal radiation intensity level to sterilize and disinfect the air normally flowing in the upper level.

For another example, when the disinfection mode is the fast disinfection mode, the controller controls the fan to rotate at the rated speed, the indoor air accelerates to flow, and at the same time controls all ultraviolet rays to disinfect the flowing circulating air with conventional radiation intensity, and at the same time utilizes the horizontally emitted ultraviolet rays Sterilize and disinfect the air flowing in the upper layer.

For another example, when the disinfection mode is the enhanced disinfection mode, the controller controls the fan to rotate at a preset speed, and/or controls a preset number of ultraviolet lamps to perform a preset radiation intensity on the air in a preset area within a preset time period. Disinfection, flexible to meet various disinfection needs.

To sum up, the air sterilizer provided by the utility model realizes multiple disinfection modes by automatically adjusting the working status of the fan and each ultraviolet lamp, flexibly meets different disinfection needs, and has a better disinfection effect.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is the front view of the air sterilizer provided by the utility model embodiment;

Fig. 2 is a side sectional view of Fig. 1;

Fig. 3 is the state view when the front side plate and the bottom side plate of the air sterilizer provided by the embodiment of the present invention are all opened;

Fig. 4 is a schematic circuit diagram of the air sterilizer provided by the embodiment of the present invention.

The reference signs are as follows:

Housing 11, Fan 12, Ultraviolet Lamp 13, Safety Detector 14, Filter 15, Reflector 16, Flat Shooting Grille 17, Controller 18, Display 19, Ballast 20, Transformer 21, Power Board 22, Motor 23 , motor starting capacitor 24 and main control board 25;

The shell body 111 , the air inlet 112 , the front side plate 113 , the limit support rod 114 and the bottom side plate 115 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In order to enable those skilled in the art to better understand the solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to Fig. 1 to Fig. 3, Fig. 1 is the front view of the air sterilizer provided by the embodiment of the utility model; Fig. 2 is the side sectional view of Fig. 1; Fig. 3 is the air sterilizer provided by the embodiment of the utility model The status diagram when both the front side panel and the bottom side panel are opened.

The embodiment of the utility model discloses an air sterilizer, which includes a housing 11 , a fan 12 , at least two ultraviolet lamps 13 and a controller 18 , and the fan 12 and all the ultraviolet lamps 13 are electrically connected to the controller 18 .

The center of the casing 11 is hollow and in the shape of a cube, and is specifically a sheet metal part for accommodating other components. The housing 11 is set at a preset height, which is greater than or equal to 2.1m, which is convenient for upper air disinfection and indoor circulation disinfection without causing damage to the lower space, and is conducive to the realization of man-machine coexistence. The bottom of the casing 11 is provided with an air inlet 112 . The air inlet 112 is hinged to a bottom side plate 115 . The bottom side plate 115 is fixed with a filter 15 for filtering the air flowing into the air inlet 112 . Specifically, the filter 15 may be a composite filter. The bottom side plate 115 and the air inlet 112 can be clamped and connected to facilitate regular opening of the bottom side plate 115 to replace the filter 15 .

The fan 12 is arranged at the air inlet 112, and the circulating wind generated can flow through the ultraviolet lamp 13, which is beneficial to accelerate the indoor air flow. The fan 12 may specifically be a cross-flow fan with cross-flow blades, but the type of the fan 12 is not limited thereto.

All the ultraviolet lamps 13 are arranged in parallel on the top of the housing 11 to ensure that each ultraviolet lamp 13 emits ultraviolet rays horizontally to sterilize the upper layer of air. All the ultraviolet lamps 13 can be distributed in a staggered manner along the height direction of the housing 11, which can increase the scope of sterilization to a certain extent. The ultraviolet lamp 13 may specifically be an amalgam lamp, but is not limited thereto. In this specific embodiment, two ultraviolet lamps 13 are provided on the top of the housing 11. The number of ultraviolet lamps 13 can be adjusted adaptively according to the indoor height or indoor area, and is not specifically limited here.

The above-mentioned air sterilizer also includes a ballast 20 connected to all the ultraviolet lamps 13 to ensure that each ultraviolet lamp 13 can be started normally and limit the current flowing through each ultraviolet lamp 13 from being too large. The ballast 20 can specifically be a dual-output ballast, which can independently control the two ultraviolet lamps 13 connected to it to work independently, with stronger adaptability and higher sterilization efficiency.

According to the input disinfection mode, the controller 18 adjusts the working status of the fan 12 and/or each ultraviolet lamp 13, and sterilizes and disinfects the air in various disinfection modes. Disinfection modes include upper disinfection mode, rapid disinfection mode and enhanced disinfection mode.

When the disinfection mode is the upper disinfection mode, the controller 18 controls the blower fan 12 to stop, reducing the indoor air circulation, and simultaneously controls all the ultraviolet lamps 13 to emit ultraviolet rays at a conventional radiation intensity level, and utilizes the normal indoor air circulation to continuously treat the normal flow of the upper layer. Sterilize.

When the disinfection mode is the fast disinfection mode, the controller 18 controls the blower fan 12 to rotate at a rated speed to realize the formation of circulating air, the indoor air accelerates to flow, and controls all ultraviolet rays to disinfect the flowing circulating air with conventional radiation intensity, and at the same time utilizes The ultraviolet rays emitted horizontally still continue to sterilize and disinfect the air flowing in the upper layer.

When the disinfection mode is the enhanced disinfection mode, the controller 18 controls the fan 12 to rotate at a preset speed, and the indoor air circulates at an ideal flow rate, and/or controls a preset number of ultraviolet lamps 13 to operate at a preset time period with a preset radiation intensity. Disinfect the air in the preset area internally. The enhanced disinfection mode can be the enhanced mode of the upper disinfection mode and the rapid disinfection mode, and can be a single lamp mode or a double lamp mode. In this way, a specific area can be highly sterilized and disinfected, which is beneficial to shorten the disinfection time. , flexible in time and space to meet various disinfection needs. Among them, the preset speed, preset quantity, preset radiation intensity, preset time period, and preset area preset parameters in this article refer to the optimal values under the enhanced disinfection mode, which can be adjusted adaptively, and will not be discussed here. Specific limits.

To sum up, the air sterilizer provided by the utility model realizes multiple disinfection modes by automatically adjusting the working status of the fan 12 and each ultraviolet lamp 13, flexibly meets different disinfection needs, and has a better disinfection effect.

Based on safety considerations, the above-mentioned air sterilizer also includes a safety detection part 14 for detecting whether the human body enters the ultraviolet rays emitted horizontally. The safety detection part 14 can specifically be an infrared sensor or a camera, etc., which are not specifically limited here. The safety detection part 14 is connected with the controller 18, when the human body enters the ultraviolet rays emitted horizontally, the safety detection part 14 feeds back the trigger signal to the controller 18, the controller 18 turns off all the ultraviolet lamps 13, the ultraviolet rays stop emitting, and the air sterilizer enters the standby state , to avoid ultraviolet rays from hurting the human body, with high safety.

The above-mentioned air sterilizer also includes a shell body 111 and a front side plate 113 hinged on the shell body 111. The front side plate 113 can be opened freely to facilitate maintenance, maintenance and inspection of each ultraviolet lamp 13, and also to facilitate maintenance and replacement of the shell body 111. The installed circuit board, ballast 20, transformer 21 and blower fan 12 and other parts. A limit support rod 114 is provided between the shell body 111 and the front side plate 113 to limit the front side plate 113, to ensure that the front side plate 113 remains open during maintenance, and to prevent the front side plate 113 from accidentally closing and hurting maintenance personnel. The limit support rod 114 may specifically be a hydraulic rod, but its type is not limited thereto.

In order to ensure that all ultraviolet rays are emitted horizontally, the above-mentioned air sterilizer also includes a reflector 16 and a flat shooting grid 17, and the reflector 16 is fixed in the housing 11 for reflecting ultraviolet rays, changing the emission line of ultraviolet rays, and ensuring that each ultraviolet rays are emitted horizontally. The horizontal radiation grid 17 is fixed on the front side plate 113, so that the reflected ultraviolet rays can still be emitted horizontally.

The above-mentioned air sterilizer also includes a temperature detection part for detecting indoor temperature, a humidity detection part and a display 19 for detecting indoor humidity, wherein the temperature detection part can specifically be a temperature sensor, and the humidity detection part can specifically be a humidity sensor. The display 19 is specifically a bright LED display, and the controller 18 can specifically use an STC8A8K64S4A12 chip. The temperature detection part, the humidity detection part, and the display 19 are all connected to the controller 18, and a wireless communication module can be used between the display 19 and the controller 18. , the controller 18 feeds back the signal fed back by the temperature detection part and the humidity detection part to the display 19, so that the display 19 can display the current temperature and current humidity in the room. Of course, the display 19 can also display time, failure, disinfection time, disinfection mode and Disinfection status etc.

Above-mentioned air sterilizer also comprises power board 22, transformer 21, motor 23 and motor starting capacitor 24, and ballast 20, transformer 21, motor 23 and motor starting capacitor 24 are all connected with power board 22, power board 22 and controller 18 The main control board 25 is connected, the power board 22 can supply power for the connected components, and the controller 18 can also adjust the voltage and current of the power board 22 .

Please refer to FIG. 4 , which is a schematic circuit diagram of the air sterilizer provided by the embodiment of the present invention.

In accompanying drawing 4, J5 is the fan interface, J12 is the motor starting capacitor 24 interface, J11 is the two-way spare interface, J14 is the anion power interface, J9 is the disinfection power interface, J8 is the limit switch interface, and J10 is the 220v power supply interface , J15 is the feedback signal interface of the disinfection module, and JC1, JC2, and JC3 are all signal adjustment circuits. Among them, the transformer 21 converts the 220V AC power supply into 12V AC to supply power to the main control board 25 and other weak current parts. The power board 22 supplies power to the motor 23 , the motor starting capacitor 24 , the ballast 20 and other high-voltage parts. After the power supply board 22 supplies power to the ballast 20, the ballast 20 supplies power to each ultraviolet lamp 13, and the ballast 20 can also feedback whether the operating status of each ultraviolet lamp 13 is normal.

It should be noted here that the controller 18 should include a signal receiving part, a signal judging part and a signal sending part, the signal receiving part is used to receive the electrical signal sent by the detection parts such as the safety detection part 14, the temperature detection part or the humidity detection part, The signal judging part is electrically connected with the receiving part, so that the signal judging part is used to judge whether the signal received by the receiving part is a trigger signal, and the signal sending part is electrically connected with the signal judging part, so that the signal sending part will generate the judgment signal generated by the signal judging part Send to execution components such as fan 12, ultraviolet lamp 13 or display 19. For the specific arrangement of the signal receiving unit, the signal judging unit and the signal sending unit, reference may be made to the prior art; in the present invention, only the application scenarios of the above three are changed, but no substantial improvement is made. Apparently, the controller 18 with this structure is widely used in existing automatic control equipment, such as MCU, DSP or single-chip microcomputer. The key point of the utility model is that the controller 18 correspondingly combines each detection part and each execution part.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. An air sterilizer, comprising:

the bottom of the shell is provided with an air inlet (112) and is fixedly arranged on the shell (11) at a preset height;

the fan (12) is arranged at the air inlet (112);

at least two ultraviolet lamps (13) which are arranged in parallel at the top of the shell (11) and horizontally emit ultraviolet rays;

a controller (18) connected to the blower (12) and all the ultraviolet lamps (13), respectively; according to the input disinfection mode, the controller (18) is used for controlling the fan (12) to rotate at a preset rotating speed and/or controlling a preset number of ultraviolet lamps (13) to disinfect air in a preset area within a preset time period at a preset radiation intensity.

2. The air sterilizer of claim 1 wherein the sterilization mode includes an upper sterilization mode, a rapid sterilization mode, and an enhanced sterilization mode.

3. An air sterilizer as claimed in claim 1, further comprising a safety detector (14) for detecting whether a human body enters the horizontally emitted ultraviolet rays, the safety detector (14) being connected to the controller (18), the controller (18) being adapted to turn off all of the ultraviolet lamps (13) when a human body enters the ultraviolet rays in response to a trigger signal fed back from the safety detector (14).

4. An air sterilizer as claimed in claim 1, further comprising a filter (15) provided at the air inlet (112).

5. An air sterilizer according to claim 1, further comprising a case body (111) and a front side plate (113) hinged to the case body (111).

6. An air sterilizer as claimed in claim 5, wherein a limit support bar (114) is provided between the housing body (111) and the front side plate (113).

7. An air sterilizer of claim 5, further comprising:

a reflector (16) fixedly arranged in the shell (11) and used for reflecting ultraviolet rays;

and the horizontal emission grating (17) is fixedly arranged on the front side plate (113) and is used for horizontally emitting ultraviolet rays reflected by the reflecting cover (16).

8. An air sterilizer as claimed in any one of claims 1 to 7, further comprising a ballast (20) connected to all of the ultraviolet lamps (13).

9. An air sterilizer as claimed in any one of claims 1 to 7, further comprising:

a temperature detecting member for detecting an indoor temperature;

a humidity detection member for detecting indoor humidity;

a display (19);

the temperature detection piece, the humidity detection piece and the display (19) are all connected with the controller (18), and the controller (18) is used for controlling the display (19) to display a temperature signal fed back by the temperature detection piece and a humidity signal fed back by the humidity detection piece.

10. An air sterilizer as claimed in any one of claims 1 to 7, wherein the predetermined height is 2.1m or more.

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