CN212961951U - Central air conditioner disinfecting device and air conditioner air inlet system - Google Patents
Central air conditioner disinfecting device and air conditioner air inlet system Download PDFInfo
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- CN212961951U CN212961951U CN202021105253.2U CN202021105253U CN212961951U CN 212961951 U CN212961951 U CN 212961951U CN 202021105253 U CN202021105253 U CN 202021105253U CN 212961951 U CN212961951 U CN 212961951U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
A central air conditioner disinfecting device and an air conditioner air inlet system are disclosed. The heating device is arranged on a preset area of an air inlet of the air conditioner, and the heating device is controlled to work at a preset temperature so as to carry out high-temperature treatment on the preset area of the air conditioning system and air flow flowing through the preset area. Therefore, viruses and bacteria carried by airflow in the working process of the air conditioner can be reduced, and the occurrence of disease infection caused by using the air conditioner is reduced.
Description
Technical Field
The utility model relates to an air conditioner technical field especially relates to a central air conditioning degassing unit and air conditioner air inlet system.
Background
For public places where people gather relatively, such as office buildings, hospitals and the like, due to the fact that the number of people is large, the coming and going of people is complicated, when a serious infectious epidemic occurs, germs and viruses can be spread rapidly by contacting air easily, and the health of people is seriously threatened. Therefore, when serious epidemic situation occurs, the central air conditioner is closed to reduce the air circulation among different rooms, thereby reducing the disease infection. However, due to the needs of heating in winter and cooling in summer, the central air conditioner in some places cannot be in a closed state for a long time. There is currently a lack of a device for disinfecting air conditioning systems.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide a central air conditioning disinfection apparatus and an air intake system of an air conditioner, so as to reduce bacteria and viruses carried in an air flow of the air conditioning system and reduce the occurrence of disease infection caused by using an air conditioner.
In a first aspect, an embodiment of the present invention provides a central air conditioning disinfection device configured to be disposed in an air conditioning system, the central air conditioning disinfection device including:
the heating device is arranged in the air conditioning system and used for heating a preset area of the air conditioning system;
a temperature sensor for detecting a real-time temperature of the predetermined area; and
and the control device is electrically connected with the heating device and the temperature sensor and is used for controlling the power of the heating device according to the real-time temperature detected by the temperature sensor.
Preferably, the control device includes:
a first port configured to receive a supply voltage;
a setting device configured to acquire a target temperature;
a controller configured to generate a control signal according to the target temperature and a real-time temperature; and
a controlled switch connected between the first port and the heating device and configured to be turned on or off by the control signal to control the heating device.
Preferably, the setting device is further configured to acquire a heating time;
the controller is further configured to control the operation of the heating device to stop after a predetermined heating time.
Preferably, the controller is a PID controller.
Preferably, the control device further includes:
a power switch configured to control an operating state of the control device.
Preferably, the setting device is further configured to display the real-time temperature and the target temperature.
Preferably, the heating means comprises:
a housing; and
a plurality of heating tubes disposed in the housing;
wherein, the shape of the shell is matched with the shape of an air duct or the shape of an air inlet of the central air-conditioning system.
Preferably, the housing is provided with a conduit for passing a power supply line for connection to the heating tube.
In a second aspect, the embodiment of the present invention provides an air conditioner air inlet system, the system includes:
an air inlet;
the air duct is communicated with the air inlet; and
a central air-conditioning sterilizing device;
wherein, central air conditioning degassing unit includes:
the heating device is arranged in the air conditioning system and used for heating a preset area of the air conditioning system;
a temperature sensor for detecting a real-time temperature of the predetermined area; and
the control device is electrically connected with the heating device and the temperature sensor and is used for controlling the power of the heating device according to the real-time temperature detected by the temperature sensor;
the heating device is arranged at a position close to the air inlet in the air duct, or at the air inlet.
Preferably, the control means is further configured to control a heating time of the heating means.
The utility model discloses technical scheme sets up heating device through the predetermined region to the air conditioner air intake to control heating device work and carry out high temperature treatment with the predetermined region of air conditioning system and the air current that flows through this predetermined region at predetermined temperature. Therefore, viruses and bacteria carried by airflow in the working process of the air conditioner can be reduced, and the occurrence of disease infection caused by using the air conditioner is reduced.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of an air inlet system of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a central air conditioning sterilizing apparatus according to an embodiment of the present invention;
fig. 3 is an external view of a heating device according to an embodiment of the present invention;
fig. 4 is a top view of a heating device according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a heating device according to an embodiment of the present invention;
fig. 6 is a cross-sectional view of a heating device according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a setting device according to an embodiment of the present invention.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Meanwhile, it should be understood that, in the following description, a "circuit" refers to a conductive loop constituted by at least one element or sub-circuit through electrical or electromagnetic connection. When an element or circuit is referred to as being "connected to" another element or element/circuit is referred to as being "connected between" two nodes, it may be directly coupled or connected to the other element or intervening elements may be present, and the connection between the elements may be physical, logical, or a combination thereof. In contrast, when an element is referred to as being "directly coupled" or "directly connected" to another element, it is intended that there are no intervening elements present.
Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Fig. 1 is a schematic structural diagram of an air inlet system of an air conditioner according to an embodiment of the present invention. As shown in fig. 1, the air conditioner air inlet system includes an air inlet 1, an air duct 2 and a central air conditioner disinfecting device 3.
In the present embodiment, the central air-conditioning sterilizing device 3 includes a heating device 31, a temperature sensor 32, and a control device 33. Wherein the heating device 31 is provided in the air conditioning system for heating a predetermined area of the air conditioning system. The temperature sensor 32 is used to detect the real-time temperature of the predetermined area. The control device 33 is electrically connected with the heating device and the temperature sensor and is used for controlling the power of the heating device according to the real-time temperature detected by the temperature sensor.
In the present embodiment, the air inlet 1 communicates with the air duct 2.
In the present embodiment, the heating device 31 is disposed in the air duct 2 near the air inlet 1, or at the air inlet 1.
It should be understood that fig. 1 illustrates the heating device 31 disposed at the air inlet 1, but the installation position of the heating device 31 is not limited to that shown in the figure, and for example, the heating device 31 may be disposed at other positions near the air inlet 1.
In general, the transmission mechanism of various infectious diseases can be summarized into three stages: the first stage is the elimination of the pathogen from the host body, the second stage is the retention of the pathogen in the external environment, and the third stage is the invasion of the pathogen into the newly susceptible host body. In the second stage, when the pathogen stays in the external environment, for the air conditioning system, the pathogen stays in the area of the air inlet 1 of the air conditioner and the area near the air inlet, and meanwhile, because the pathogen needs to flow through the air inlet in the air flow transmission process, if the pathogen exists in the area of the air inlet of the air conditioner, the transmission of the virus is accelerated in the operation process of the air conditioner, and great harm is possibly brought. Therefore, when the heating device 31 is disposed at the air inlet 1 of the central air conditioner or at a position close to the air inlet 1, it may make it easier for pathogens to attach to the air inlet 1 and the heating device. Therefore, the utility model discloses a central air conditioning degassing unit 3 is used for before opening the air conditioner, and the predetermined heat time of control heating device work to disinfect to air intake and near region.
Meanwhile, the sneezing, cough and the like of the patient infected with the virus can cause the virus to be carried in the air, and if the virus is not disinfected, the virus can have serious consequences if entering the air conditioning system from the air inlet of the air conditioner. Therefore, the central air-conditioning sterilizing device 3 of the present invention is also used for sterilizing the air flow entering the air-conditioning system.
Specifically, fig. 2 is a schematic structural diagram of a central air conditioning disinfection device according to an embodiment of the present invention. As shown in fig. 2, the central air-conditioning sterilizing apparatus 3 of the present embodiment includes a heating device 31, a temperature sensor 32, and a control device 33. Wherein the heating device 31 is used for heating a predetermined area of the air conditioning system. The temperature sensor 32 is used to detect the real-time temperature Tr of the predetermined area. The control device 33 is electrically connected to the heating device 31 and the temperature sensor 32, and is configured to control the power of the heating device 31 according to the real-time temperature Tr detected by the temperature sensor.
Fig. 3-6 are schematic views of a heating device according to an embodiment of the present invention. As shown in fig. 3 to 6, the heating device of the embodiment of the present invention includes a housing 311, a conduit 312, a heating pipe 313 and an interface 314.
Further, fig. 3 shows a configuration diagram of the external appearance of the heating apparatus. As shown in fig. 3, the housing 311 of the heating device 31 is shaped to fit the shape of the air duct or the air inlet of the central air conditioning system. Therefore, the heating device can be arranged at the air inlet, or in the air duct close to the air inlet.
In this embodiment, a conduit 312 is provided on the outer shell 311 for passing through a power supply line for connecting to a heating pipe.
Optionally, when the temperature signal is transmitted in a wired manner, the conduit 312 is also used for passing through a signal transmission line for connecting with the temperature sensor.
In this embodiment, the interface 314 is configured to fit the shape of the air chute, thereby allowing the heating device to be directly connected to the air chute.
Fig. 4 is a plan view of the heating device, and fig. 5 and 6 are sectional views of the heating device. The cutting direction of fig. 5 can refer to a broken line L2 in fig. 4, and the cutting direction of fig. 6 can refer to a broken line L1 in fig. 4.
Further, as shown in fig. 5 and 6, the heating device 31 includes a plurality of heating pipes 313, and each heating pipe 313 heats the inside of the housing of the heating device 31 according to the supply voltage Vac. It should be understood that the figure only shows an example of the arrangement of the heating pipe 313, and the arrangement may be made according to the actual requirements of the temperature resistance and temperature of the virus or bacteria in practical application. For example, assuming that the set target temperature is 80 ℃, for a novel coronavirus, because the temperature resistance property of the coronavirus is strong, and the wind speed of the airflow flowing through the heating device is also fast, all viruses may not be killed completely under the condition of 80 ℃, if the heating pipe is set to be denser, the airflow flowing through the heating device is in direct contact with the heating pipe as much as possible, and because the temperature of the heating pipe is often higher than the temperature inside the shell, the airflow can be disinfected more quickly and thoroughly.
It should also be understood that the present invention is described by taking heating through a heating pipe as an example, but the heating of the present invention is not limited to the heating pipe, and other electric heating elements, such as heating wires or electric heating films, can be used.
Alternatively, the housing, the interface, etc. of the heating device may be made of high temperature resistant materials, which may allow the heating device to operate in a high temperature working environment. For example, due to the relatively fast speed of the airflow through the heating device, a low temperature may not kill all viruses. Thus, the target temperature can be set to a higher temperature (e.g., 200℃.) so that the virus can be killed more thoroughly.
Therefore, the utility model discloses central air conditioning system is through setting up the heating pipe in heating device to carry out high temperature treatment to the air current that flows through heating device, can play the disinfection effect that is showing with virus and bacterium in comparatively thorough killing the air current.
In the present embodiment, the temperature sensor 32 is disposed at a suitable position inside or around the heating device 31 for detecting the real-time temperature Tr in the area and transmitting the detected temperature signal Tr to the control device 33 in a wireless manner or a wired manner. A temperature sensor (temperature transducer) is a sensor that senses temperature and converts the sensed temperature into a usable output signal.
Further, when the temperature signal is transmitted in a wireless manner, the central air-conditioning sterilizing device 3 further includes a wireless transmitting unit for transmitting the signal detected by the temperature sensor 32 in a wireless manner. Correspondingly, the control device 33 further comprises a wireless receiving unit for receiving the temperature signal in a wireless manner.
In the present embodiment, the control device 33 includes a setting device 331, a controller 332, and a controlled switch K1. The control device 33 is connected to an external power source through a first port a to receive a supply voltage Vac provided by the external power source. The setting device 331 is configured to acquire the target temperature Tp. The controller 332 is configured to generate a control signal Vc in accordance with the target temperature Tp and the real-time temperature Tr. The controlled switch K1 is connected between the first port a and the heating device 31, and is configured to be turned on or off by the control signal Vc to control the power of the heating device 31.
In this embodiment, the setting device 331 is configured to receive user input and provide a display function for viewing by a user.
Specifically, fig. 7 is a schematic diagram of a setting device according to an embodiment of the present invention. As shown in fig. 7, the setting device 331 may present the detected real-time temperature and the target temperature set by the user to the user.
Further, the setting device 331 includes a plurality of controls, and the user can set the target temperature by pressing the controls.
As one example, the setting device 331 includes four controls. The control e is a "start setting" control and an "end setting" control, the user can start setting after pressing the control e for the first time, and can end setting and save the current setting after pressing the control e again. The control f is a "function selection" control, and the user can select the parameter to be set after pressing the control f, for example, after pressing the control f for the first time, the default setting parameter is the target temperature at this time, the target temperature region starts to flash at this time, and after pressing the control f again, the selected setting parameter is the predetermined time at this time, and the predetermined time region starts to flash at this time. The control g and the control h are 'increasing/decreasing' controls, when the parameter needing to be set is selected, the parameter value can be increased by pressing the control g, and the parameter value can be decreased by pressing the control h. Thus, the user can set and view the parameters through the setting device 331.
Optionally, the setting device 331 further comprises an indicator light for indicating the working condition of the control device 33 and the heating device 31.
In the present embodiment, the controller 332 is configured to receive the target temperature Tp from the setting device 331, receive the real-time temperature Tr from the temperature sensor 32, and generate a control signal Vc according to the target temperature Tp and the real-time temperature Tr, wherein the control signal Vc is used for controlling the controlled switch K1 to be turned on or off.
In the present embodiment, the controlled switch K1 is a thyristor. Further, the controlled switch K1 is a TRIAC (TRIAC).
Further, the supply voltage Vac received by the first port a is 220V or 380V of ac mains supply.
Further, the control device 33 further includes an output port b electrically connected to the heating device 31 and configured to output the supply voltage Vac to the heating device 31.
Further, the controller 332 is a PID controller.
Specifically, a proportional-integral-derivative (PID) controller is composed of a proportional unit (P), an integral unit (I), and a derivative unit (D).
And (3) proportional control: in proportional control, the output of the controller is proportional to the input error signal. There is a steady state error in the system output when there is only proportional control.
Integral control: in integral control, the output of the controller is proportional to the integral of the input error signal. Integral control can eliminate steady state errors. The integral term integrates the error over time, increasing with time. Thus, even if the error is small, the integral term increases with time, and the output of the boost controller increases to further reduce the steady state error to zero.
Differential control: in the differential control, the output of the controller is in a proportional relationship with the differential of the input error signal. In the automatic control system, because of the existence of a large inertia component or a hysteresis component, the effect of suppressing the error is that the change of the error always lags behind the change of the error, and oscillation and even instability can occur in the adjustment process of overcoming the error. The trend of error change can be predicted through differential control, and then the control action of inhibiting the error can be enabled to be equal to zero in advance, even to be a negative value, so that the serious overshoot of the controlled quantity is avoided.
Further, the controller 332 calculates a temperature error according to the target temperature Tp and the real-time temperature Tr, generates a control signal according to the temperature error, and controls the conduction time of the triac according to the control signal. Further, the triac is connected between the supply voltage Vac and the heating device 31 in series, and the controller 332 generates a control signal to control and change the on-time of the triac in a given period, so as to achieve the purpose of temperature adjustment.
In the present embodiment, the control device 33 further includes a voltage conversion unit 333 configured to convert the supply voltage Vac into a direct current voltage Vs to supply power to the controller 332 and the setting device 331. For example, the voltage conversion unit 333 converts the supply voltage Vac of 220V into a direct voltage of 3.3V, 5V, or 12V.
Further, the voltage conversion unit 333 may be implemented by various existing voltage conversion circuits.
In this embodiment, the control device 33 further comprises a power switch K2 connected to the first port a for controlling the operating state of the control device 1. Further, when K2 is on, the control device 1 is in an operating state, and when K2 is off, the control device 33 is in an off state.
Further, the control device 33 of the present embodiment further has a high temperature alarm function. Specifically, a high temperature upper limit (e.g., 1000 ℃) is set, and when the real-time temperature detected by the temperature sensor 32 received by the controller 332 exceeds the temperature upper limit, an alarm signal is issued. Therefore, the situation that the heating device is damaged or a fire disaster happens due to overhigh temperature can be avoided.
Further, the Controller 332 may be implemented by an MCU (micro Controller Unit), a PLC (Programmable Logic Controller), an FPGA (Field-Programmable Gate Array), a DSP (Digital Signal Processor), or an ASIC (Application Specific Integrated Circuit).
The embodiment of the utility model provides a position through the air intake at central air conditioning system or be close to the air intake sets up heating device to control heating device work at predetermined temperature, carry out high temperature treatment with the air current to getting into central air conditioning system. Therefore, viruses and bacteria carried in the air flow can be reduced during the working process of the air conditioner, and the disease infection caused by using the air conditioner can be reduced.
Further, some viruses or bacteria are not easily killed in a short time at certain specific temperatures due to their high heat resistance. Thus, the setting device 331 is further configured to receive a heating time set by a user, and the controller 332 controls the heating device 31 to operate after the set heating time, so as to completely kill the virus or bacteria in the predetermined area. For example, for the new coronavirus, the heating device can be controlled to operate at 60 ℃ for 30 minutes, so that the virus in the predetermined area can be killed.
Therefore, the heating device can be controlled to work for a preset heating time before the air conditioner is started, so that the high-temperature treatment is carried out on the air inlet and the area close to the air inlet, the viruses or bacteria in the preset area are completely killed, and the disease infection phenomenon caused by the use of the air conditioner is reduced.
The embodiment is used for performing high-temperature treatment on the preset area of the air conditioning system and the air flow flowing through the preset area by arranging the heating device on the preset area of the air inlet of the air conditioner and controlling the heating device to work at the preset temperature. Therefore, viruses and bacteria carried by airflow in the working process of the air conditioner can be reduced, and the occurrence of disease infection caused by using the air conditioner is reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A central air conditioning sanitizer configured to be disposed in an air conditioning system, the central air conditioning sanitizer comprising:
the heating device is arranged in the air conditioning system and used for heating a preset area of the air conditioning system;
a temperature sensor for detecting a real-time temperature of the predetermined area; and
and the control device is electrically connected with the heating device and the temperature sensor and is used for controlling the power of the heating device according to the real-time temperature detected by the temperature sensor.
2. A central air-conditioning sterilizing unit according to claim 1, characterized in that said control means comprise:
a first port configured to receive a supply voltage;
a setting device configured to acquire a target temperature;
a controller configured to generate a control signal according to the target temperature and a real-time temperature; and
a controlled switch connected between the first port and the heating device and configured to be turned on or off by the control signal to control the heating device.
3. A central air-conditioning sterilizing unit according to claim 2, characterized in that the setting device is further configured to acquire a heating time;
the controller is further configured to control the operation of the heating device to stop after a predetermined heating time.
4. A central air-conditioning sterilizing unit according to claim 2, characterized in that the controller is a PID controller.
5. The central air conditioning sterilizing apparatus of claim 2, wherein the control means further comprises:
a power switch configured to control an operating state of the control device.
6. The central air conditioning sanitizer according to claim 2, wherein said setting means is further configured to display said real-time temperature and a target temperature.
7. A central air-conditioning sterilizing unit according to claim 1, characterized in that said heating means comprise:
a housing; and
a plurality of heating tubes disposed in the housing;
and the shape of the shell is matched with the shape of an air duct or the shape of an air inlet of the air conditioning system.
8. Central air conditioning disinfection apparatus according to claim 7, characterized in that the housing is provided with a conduit for passing an electrical supply line for connection to the heating pipe.
9. An air conditioner air inlet system, characterized in that, the system includes:
an air inlet;
the air duct is communicated with the air inlet; and
a central air-conditioning sterilizing device;
wherein, central air conditioning degassing unit includes:
the heating device is arranged in the air conditioning system and used for heating a preset area of the air conditioning system;
a temperature sensor for detecting a real-time temperature of the predetermined area; and
the control device is electrically connected with the heating device and the temperature sensor and is used for controlling the power of the heating device according to the real-time temperature detected by the temperature sensor;
the heating device is arranged at a position close to the air inlet in the air duct, or at the air inlet.
10. The air conditioning inlet system of claim 9, wherein the control device is further configured to control a heating time of the heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105253.2U CN212961951U (en) | 2020-06-15 | 2020-06-15 | Central air conditioner disinfecting device and air conditioner air inlet system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021105253.2U CN212961951U (en) | 2020-06-15 | 2020-06-15 | Central air conditioner disinfecting device and air conditioner air inlet system |
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| Publication Number | Publication Date |
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| CN212961951U true CN212961951U (en) | 2021-04-13 |
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| CN202021105253.2U Active CN212961951U (en) | 2020-06-15 | 2020-06-15 | Central air conditioner disinfecting device and air conditioner air inlet system |
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