CN114623561B - Intelligent diagnosis method of deep ultraviolet ray generation device - Google Patents
Intelligent diagnosis method of deep ultraviolet ray generation device Download PDFInfo
- Publication number
- CN114623561B CN114623561B CN202210103875.9A CN202210103875A CN114623561B CN 114623561 B CN114623561 B CN 114623561B CN 202210103875 A CN202210103875 A CN 202210103875A CN 114623561 B CN114623561 B CN 114623561B
- Authority
- CN
- China
- Prior art keywords
- deep ultraviolet
- generator
- ultraviolet ray
- data
- filter screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000003745 diagnosis Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 48
- 238000011897 real-time detection Methods 0.000 claims abstract description 7
- 238000012423 maintenance Methods 0.000 claims description 39
- 238000012360 testing method Methods 0.000 claims description 27
- 238000004140 cleaning Methods 0.000 claims description 19
- 230000005855 radiation Effects 0.000 claims description 18
- 230000006698 induction Effects 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000010926 purge Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000001954 sterilising effect Effects 0.000 abstract description 28
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 239000011324 bead Substances 0.000 description 179
- 238000010586 diagram Methods 0.000 description 10
- 230000006870 function Effects 0.000 description 9
- 238000000746 purification Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 101100518501 Mus musculus Spp1 gene Proteins 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004887 air purification Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/108—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
- F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention provides an intelligent diagnosis method of a deep ultraviolet ray generating device, wherein the deep ultraviolet ray generating device is arranged in an air duct of air treatment equipment, and in the air outlet direction of a filter screen, the deep ultraviolet ray generating device comprises a plurality of deep ultraviolet ray generators and a detection device capable of monitoring ultraviolet intensity, and in the intelligent diagnosis process, the pollution state of the generators is judged by combining initial data and a preset threshold value of the generators, and/or the initial data and real-time detection data are input into a detection model to judge the pollution state of the generators, and alarm prompt is found. The intelligent diagnosis method of the deep ultraviolet ray generating device provided by the invention can accurately judge the dirt degree and the service life according to the actual state of the generating device, and ensure the sterilization effect.
Description
Technical Field
The invention relates to the technical field of sterilization and purification, in particular to an intelligent diagnosis method of a deep ultraviolet ray generating device.
Background
With the increasing demand of people on environmental quality, the air purifier is the most basic demand, the type of the air purifier is more and more, in the common air purifier in recent years, the sterilizer capable of emitting the deep ultraviolet rays for sterilization is usually added behind the primary filter screen, but the air purifier in the market at present basically has no functions of life judgment, use state feedback, intelligent diagnosis and early warning maintenance of the sterilizer, is usually evaluated according to life data which are theoretically calculated or determined by long-period tests, is replaced by a certain period, and is used for civilian use, and commercial use basically meets the demand, but if the air purifier is used in the rail transit or industrial field, the environmental impact is larger, the period to be replaced is not determined, the maintenance of the purifier is influenced, the replacement is too frequent, the cost is higher, the replacement period is too long, the air quality is influenced, and the riding experience and the body health of passengers are influenced.
Disclosure of Invention
The invention mainly aims to provide an intelligent diagnosis method of a deep ultraviolet ray generating device, which can accurately judge the dirt degree and the service life according to the actual state of the generating device and ensure the sterilization effect.
In order to achieve the above object, the present invention provides an intelligent diagnosis method for a deep ultraviolet ray generating device, which has the technical scheme that:
the intelligent diagnosis method of the deep ultraviolet ray generating device is characterized in that the deep ultraviolet ray generating device is arranged in an air duct of air treatment equipment, and in the air outlet direction of a filter screen, the deep ultraviolet ray generating device comprises a plurality of deep ultraviolet ray generators and a detection device capable of monitoring ultraviolet ray intensity, and the intelligent diagnosis method of the deep ultraviolet ray generating device comprises the following steps:
s1, performing a simulation experiment on air treatment equipment, acquiring various test data of a generator, determining thresholds of the generator in different states and/or building a deep ultraviolet ray detection model, and pre-storing the thresholds and the deep ultraviolet ray detection model in a controller of the air treatment equipment;
s2, detecting the generator before the air treatment equipment is used, and acquiring a plurality of initial data of the intensity of the generator and the deep ultraviolet rays;
s3, after the air treatment equipment operates, the detection device detects the deep ultraviolet radiation intensity in real time, and the initial data in the step S2 and the threshold value of the step S1 are combined and/or the initial data and the real-time detection data are input into a detection model to judge the dirty state of the generator and send out an alarm prompt;
and S4, after the generator is cleaned and reinstalled, ending the alarm, and reentering the step S3, circularly detecting until the service life of the generator is ended, and sending out an expiration-of-service-life alarm.
Further, in step S1, the test data include, but are not limited to, test data of the generator when the filter screen is first used in a clean state, test data of the generator changing with time when the generator is kept in a clean state without air intake, and test data of the generator in a simulated air intake state when the generator is gradually polluted with time.
Further, in step S3, when the detected data is smaller than VT 0 ×η 2 ×η 1 And the duration of the state is longer than the preset time, the generator is stained and needs to be maintained, and the number of maintenance period days is recorded, wherein VT 0 To the initial value of the radiation intensity of the generator, eta 1 For cleaning attenuation coefficient, eta of generator preset in controller 2 And (5) adjusting the coefficient for the periodical attenuation prestored in the controller.
Further, after the generator is cleaned, maintained and reinstalled, all generators are controlled to be opened, the detection is performed again, and when the detection data is larger than VT 0 ×η 1 ×η 2 2 When the generator cleaning is completed, the routine proceeds to step S3 again, where the cycle detection is performed.
Further, after each generator is cleaned, the number of maintenance period days is recorded respectively, when the maintenance periods recorded three times in succession are smaller than n×time0, the end of the service life of the generator is judged, a corresponding alarm prompt signal is sent out, wherein the time 0 For the number of days of the pre-stored initial maintenance period, n is a calculated multiple, and n<1。
Further, when alpha 1 ＞α 0 When the filter screen is in the high-speed state, the filter screen cleaning and maintenance early warning signal is sent out to prompt that maintenance preparation is ready, wherein alpha is as follows 0 For the attenuation speed alpha of a pre-stored generator in the controller under the normal operation environment 1 Attenuation speed of measured data of the radiation sensing value obtained in step S3 based on the received real-time detection data
Further, in step S3, when the detected data of the obtained radiation sensing value is smaller than VT 0 ×η 1 The duration time is longer than the preset time, and the filter screen is considered to be dirty and blocked, and a filter screen dirty and blocked maintenance signal is sent out, wherein VT 0 To the initial value of the radiation intensity of the generator, eta 1 The purge decay factor for the generator preset in the controller.
Further, when the filter screen is cleaned and used for the first time, the filter screen is detected againRadiation detection data of the generator, when the detection data is larger than or equal to VT 0 ×η 2 And (5) indicating that the filter screen is cleaned, and restarting timing.
Further, in step S2, the generator is turned on all the power-on, the sensing values of the rays in the initial state are tested, the sensing data are respectively sent to the controller, and the controller calculates the average value of the plurality of groups of data received in the preset test time, and the average value is used as initial data.
Further, in step S3, real-time detection data is obtained by calculation using the same method as in step S2.
In summary, the intelligent diagnosis method of the deep ultraviolet ray generation device provided by the invention has the following technical advantages compared with the prior art:
the air treatment equipment has the advantages that the sensor is arranged, so that the device has a purification effect feedback function, the operation effect of the deep ultraviolet ray generator can be detected, after intelligent analysis by the control device, a filter screen filth blockage maintenance signal and a lamp bead service life reminding signal can be sent out, and the intelligent diagnosis and intelligent operation and maintenance requirements of the purification device can be met;
the air treatment equipment has the state monitoring function of the deep ultraviolet ray generator, can judge whether the deep ultraviolet ray generator works reliably, and has the fault detection and alarm functions;
the number of the deep ultraviolet ray generators can be respectively provided with allowance according to the requirements, redundancy design is carried out, and when the control device detects that the deep ultraviolet ray generators are in failure, the operation is respectively controlled, so that the influence of the damage of the original deep ultraviolet ray generators on the system is eliminated.
Description of the drawings:
fig. 1: the invention relates to a vehicle-mounted air conditioner structure schematic diagram;
fig. 2: the invention relates to a sterilizing device structure schematic diagram of a vehicle-mounted air conditioner;
fig. 3: the invention relates to a sterilizing device and an air duct installation structure schematic diagram in a vehicle-mounted air conditioner;
fig. 4: the invention relates to a schematic diagram of an embodiment of a generator connection mode in a vehicle-mounted air conditioner;
fig. 5: the invention relates to a second schematic diagram of an embodiment of a generator connection mode in a vehicle-mounted air conditioner;
fig. 6: the invention relates to a three schematic diagrams of an embodiment of a generator connection mode in a vehicle-mounted air conditioner;
fig. 7: the invention relates to a four schematic diagrams of an embodiment of a generator connection mode in a vehicle-mounted air conditioner;
fig. 8: the generator in the fourth embodiment of the connection mode of the generator in the vehicle-mounted air conditioner is schematically arranged on the fixed frame;
fig. 9a: the invention relates to a five schematic diagrams a of a generator connection mode embodiment in a vehicle-mounted air conditioner;
fig. 9b: the invention relates to a fifth schematic diagram b of a generator connection mode embodiment in a vehicle-mounted air conditioner;
fig. 10: an intelligent diagnosis logic schematic diagram of a deep ultraviolet ray generating device;
in the figure: the device comprises a primary filter screen 1, a deep ultraviolet ray generation and detection device 2, a deep ultraviolet ray generator 3, an inductor 4, a control bus 5, a power supply and sterilization control device 6, a fixed frame 7, a controllable electric switch 8, lamp beads 9, a monitor 10 and a fan 11.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
In this embodiment, taking a deep ultraviolet ray generating device installed in a vehicle-mounted air conditioner as an example, the intelligent diagnosis method of the deep ultraviolet ray generating device provided by the invention is described, and in this embodiment, the deep ultraviolet ray generating device includes a detecting device and is integrated into an integral structure, namely, the deep ultraviolet ray generating and detecting device 2.
As shown in fig. 1, the vehicle-mounted air conditioner comprises an indoor unit and an outdoor unit, wherein the indoor unit comprises an evaporator, an evaporation fan and an air supply duct, the outdoor unit comprises a condenser and a condensation fan, the air inlet duct is arranged on the air inlet side of the evaporator, after outdoor fresh air is mixed with return air in a passenger room, the air enters the evaporator through the air inlet duct to exchange heat, and air after heat exchange enters the passenger room through the air supply duct to form an air heat exchange cycle. At least one layer of primary filter screen 1 is arranged on the air inlet side of the evaporator to filter dust, impurities and the like in the air. And a sterilizing device for emitting deep ultraviolet rays, namely a deep ultraviolet ray generating and detecting device 2 is arranged at the rear side (along the air inlet direction) of the primary filter screen 1. It should be noted that, the air channels on the air inlet side of the evaporator include, but are not limited to, a fresh air channel, a return air channel, and a mixed air channel after mixing fresh air and return air, and the primary filter screen 1 and the deep ultraviolet ray generating and detecting device 2 can be arranged in any air channel, and further, the primary filter screen 1 and the deep ultraviolet ray generating and detecting device 2 can be arranged in the fresh air channel and the return air channel. Taking the example that the deep ultraviolet ray generating and detecting device 2 is arranged in the return air duct, describing the specific structure of the deep ultraviolet ray generating and detecting device 2 and the installation structure of the return air duct in the vehicle-mounted air conditioner, the passenger room is internally provided with a return air duct, both sides of the return air duct are respectively provided with the return air duct, under the action of a return air fan or an evaporating fan, the air in the passenger room enters the return air ducts on both sides through the return air duct respectively, as shown in fig. 1, the inlets of the return air ducts on both sides of the return air duct are respectively provided with a primary filter screen 1, and the deep ultraviolet ray generating and detecting device 2 is arranged in the air outlet direction of the primary filter screen 1. The deep ultraviolet ray generating and detecting device 2 is electrically connected with a vehicle-mounted power supply and is powered by the vehicle-mounted power supply, the controller of the vehicle-mounted air conditioner respectively controls the deep ultraviolet ray generating and detecting devices 2 on two sides of the return air inlet, and as shown in fig. 1 and 2, a power supply and sterilizing control device 6 is arranged at the primary filter screen 1 and the sterilizing device to supply power to the deep ultraviolet ray generating and detecting devices 2 and simultaneously control the working state, and the power supply is connected with the controller of the vehicle-mounted air conditioner to receive control signals and data transmission. As shown in FIG. 3, the direction indicated by the arrow is the air flow direction, and a fan (such as an evaporation fan), a primary filter screen 1 and a deep ultraviolet ray generation and detection device 2 are sequentially arranged in the air duct and are close to each other, so that no gap exists between the two devices, and wind noise is prevented. As shown in fig. 2 and 3, a power supply and sterilization control device 6 is arranged on one side of the air duct (which can be the outer wall of the air duct), the power supply and the deep ultraviolet ray generation and detection device 2 are integrated into a whole, and the deep ultraviolet ray generation and detection device 2 is powered and performs corresponding control operation.
The power supply electrically connected with the deep ultraviolet ray generation and detection device 2 can be the total power supply of the vehicle-mounted air conditioner, and can also be the power supply and the sterilization control device 6, and the limitation and the requirement are not needed. Air in the passenger room enters the return air channels on two sides through the return air inlets, and the return air is sterilized by the deep ultraviolet ray generating and detecting device 2. In order to further purify the air quality in the passenger room, a deep ultraviolet ray generating and detecting device 2 is arranged behind the primary filter screen 1 of the fresh air duct, the fresh air is subjected to deep ultraviolet sterilization, and after the sterilized fresh air and return air are mixed, the mixed fresh air and return air enter an air conditioner outdoor unit for heat exchange and then are blown into the passenger room, so that heat supply/refrigeration is realized in the passenger room. The device has the advantages that the deep ultraviolet ray generation and detection device 2 can be arranged in the fresh air duct and the return air duct to sterilize the return air and the fresh air, or the primary filter screen 1 and the deep ultraviolet ray generation and detection device 2 are arranged in the mixed air duct at the air inlet side of the evaporator, the use amount of the filter screen and the deep ultraviolet ray generation and detection device 2 is reduced, the cost is reduced, the deep ultraviolet ray generation and detection device 2 can be arranged in the air supply duct for supplying air to the passenger room after heat exchange of the air conditioner outdoor unit, the primary filter screen is not arranged in the air supply duct, and the sterilizing device can be arranged in the air supply duct only.
The deep ultraviolet ray generating and detecting device 2 can emit deep ultraviolet rays, and the emission direction of the deep ultraviolet rays is perpendicular to the flow direction of the air, or the direction is adjusted according to the requirement, and the direction is towards the center of the primary filter screen 1, so that the radiation area of the rays is increased as much as possible, and as shown in fig. 2 and 9, the air after primary filtration is subjected to deep ultraviolet sterilization and disinfection. For making full use of space and effectively sterilizing and disinfecting air, the sterilizing device can comprise a plurality of deep ultraviolet ray generators 3, wherein the deep ultraviolet ray generators are uniformly distributed in a section of width range on the inner wall of the air duct, and the generators are uniformly distributed on the periphery of the inner wall in the width range so as to increase the radiation area, and when air flows through the space, the air is irradiated by enough deep ultraviolet rays, so that the sterilizing efficiency is improved, for example, the section of the air duct is rectangular, the deep ultraviolet ray generators 3 are fixed on the upper side wall, the lower side wall, the left side wall and the right side wall of the air duct, and the deep ultraviolet rays emitted by the deep ultraviolet ray generators 3 are staggered to form an effective ray net, so that the flowing air after primary filtration is effectively sterilized and disinfected. The whole volume of the deep ultraviolet ray generator 3 is smaller and is embedded on the wall of the air duct, so that the occupied area of the deep ultraviolet ray generator 3 in the air duct is effectively reduced, and wind noise is avoided when air flows through the deep ultraviolet ray generator 3.
When the deep ultraviolet ray generator 3 is directly embedded on the air duct wall, the fault, service life and detection, replacement, cleaning and maintenance of the deep ultraviolet ray generator 3 are inconvenient, and in the embodiment, the sterilization device adopts the deep ultraviolet ray generation and detection device 2 and comprises a fixed frame 7 and a plurality of deep ultraviolet ray generators 3, wherein the shape of the fixed frame 7 is the same as the cross section shape of the air duct, and the fixed frame 7 is fixed inside the air duct. As shown in fig. 2 and 3, the fixing frame 7 is assembled with the inner wall of the air duct and is detachable, and the deep ultraviolet ray generator 3 is disposed on the inner wall of the fixing frame 7. Further, the fixed frame 7 is disposed at the rear side of the primary filter screen 1, and the fixed frame 7 is mutually attached to the frame of the primary filter screen 1, and a plurality of rows of deep ultraviolet ray generators 3 are disposed on the inner wall of the fixed frame 7, so as to effectively sterilize and disinfect the flowing air after the primary filter screen 1. The slot is arranged on any side wall of the air duct, the primary filter screen 1 and the fixed frame 7 are respectively inserted into the air duct from the slot, after the insertion, the inner walls of the frame of the primary filter screen 1 and the fixed frame 7 are flush with the inner wall of the air duct, so that wind noise is avoided, and the installation of the primary filter screen 1 and the fixed frame 7 and the air duct can adopt the technology which can occur at present or in any future.
In this embodiment, the deep ultraviolet ray generator 3 is a deep ultraviolet lamp bead 9, as shown in fig. 2, a plurality of lamp beads 9 are arranged in a row, and are fixed on the inner wall of the fixed frame 7 through a lamp belt, so that the lamp beads 9 are uniformly distributed on the inner wall of the fixed frame 7, and the intervals between the lamp beads 9 are equal. In fig. 3, the horizontally placed hollow arrows indicate the air flow direction, and the small arrows with a certain angle represent the emission direction of the deep ultraviolet rays.
The electrical connection manner among the lamp beads 9 is more, and the implementation provides various embodiments, specifically as follows:
embodiment one:
the lamp beads 9 are electrically connected, as shown in fig. 4, the lamp beads 9 are connected in series through a circuit, a controllable electric switch 8 is arranged between the first lamp bead 9 and a power supply in the power supply direction, and a controller of the purifier controls the on/off of the controllable electric switch 8 according to a preset program so as to control the on/off of the lamp beads 9, namely, the working state of the deep ultraviolet ray generation and detection device. Each lamp bead 9 is numbered in sequence, for example, the number of the controllable electric switch 8 is K1, and the controller controls the controllable electric switch 8K1, so as to control the working states of the n lamp beads 9, wherein L1, L2 and L3 … Li … Ln are adopted. The controller is internally provided with a timer, the using time of the lamp beads 9 is calculated in an accumulated manner, when the accumulated time reaches a pre-stored threshold value in control, an alarm prompt is given, alarm information that the sterilizing device needs to be replaced and maintained is sent, or a deep ultraviolet ray sensor4 is arranged at any position on the fixed frame 7, or a monitor 10 (not shown in fig. 4) is connected before the sensor4 or the monitor 10 is connected to the negative electrode of a power supply in a line manner, the whole intensity of the deep ultraviolet rays in the fixed frame 7 is detected, the detected data is sent to the controller, the state of the sterilizing device is judged by comparing the controller with the pre-stored initial data, and whether the corresponding alarm prompt is sent is determined according to the judging result.
Embodiment two:
for detecting the state of each lamp bead 9 when in operation, and comparing with the initial state, thereby accurately judging the state of each lamp bead 9 and giving alarm prompts such as faults, performance states and the like, as shown in fig. 5, each lamp bead 9 is connected in parallel, each lamp bead 9 is connected in series with a monitor 10 so as to detect the working state of each lamp bead 9, each lamp bead 9 is connected with a power supply through a controllable electric switch 8, and the on-off of each electric switch is controlled by a controller, so that the working states of each lamp bead 9 are controlled respectively. Each lamp bead is numbered respectively, such as L1, L2, L3 … Li … Ln, corresponding to each lamp bead, the serial monitor 10 is numbered Test1, test2, test3, … Test … Testn, each controllable electric switch 8 is numbered, such as k1, k2, k3 … ki … kn, each monitor 10 is connected with the controller of the air purifying device, the working state of each lamp bead 9 including normal operation, ray intensity, etc., the controller compares with the initial state according to the received information, judges the state of the lamp bead 9 and gives alarm prompts such as faults, performance attenuation, etc., as maintenance reference. The output of the monitor 10 is grounded. Each lamp bead 9 is connected with a power supply through a controllable electric switch 8, and whether the lamp beads 9 participate in the work or not is controlled by controlling the on/off of the controllable electric switch 8 according to a preset program, namely, the controller controls the quantity of the lamp beads 9 participating in the sterilization work and the intensity of deep ultraviolet rays of the whole sterilization device by controlling the on/off of each controllable electric switch 8.
In practical application, when the air purification device is in an idle state, the controller respectively controls (in a numbering sequence) each controllable electric switch 8 to be closed, for example, controls k1 to be closed, k2 to kn to be opened, so that L1 and test1 are electrified, whether L1 can work normally or not and the ray intensity in a working state can be detected on test1, detection data are sent to the controller, the state of the lamp beads 9 is judged by comparing with initial data, whether an alarm prompt is sent is determined according to a judging result, or the controller compares the received data with a pre-stored threshold value, and judges whether the lamp beads 9 need cleaning, maintenance or replacement, and corresponding sending alarm prompts are closed. And by analogy, detecting the lamp beads 9 one by one, respectively judging the states of the various beads, and sending corresponding alarm prompts.
Embodiment III:
as shown in fig. 6, each bead 9 is connected in parallel, and each bead 9 is connected with a power supply through a controllable electric switch 8, and an inductor 4 circuit is additionally provided, an inductor 4 capable of detecting the state of the bead 9 when in operation is configured for each bead 9, the controller receives information of the inductor 4, and as in the second embodiment, the controller compares the received data with initial data or a threshold value, determines the state of the bead 9, and gives reminding information such as failure, performance attenuation and the like. Similarly, each of the beads 9 and the Sensor4 is numbered separately, the beads 9 are L1, L2, L3 … Li … Ln, the Sensor4 is Sensor1, sensor2, sensor3 … Sensor i … Sensor n, and the controllable electrical switch 8 is k1, k2, k3 … ki … kn. The inductor 4 is arranged at the periphery of the corresponding lamp bead 9 or at a position which is convenient for sensing the ray intensity of the lamp bead 9, is convenient for detecting the working state of the lamp bead 9, and is not influenced or least influenced by other lamp beads 9. Further, when the air purification device is in an idle state, the lamp beads 9 can be detected respectively, the controller controls the k1 to be closed, so that the L1 is electrified, meanwhile, the sensor1 is controlled to be electrified to operate, the L1 is detected, and the like, the lamp beads 9 are detected one by one, the states of the various beads are judged respectively, and corresponding alarm prompts are sent.
Embodiment four:
because the cost of the inductor 4 is higher, each lamp bead 9 is correspondingly provided with one inductor 4 (in the case of the second or third embodiment), so that the detection cost is higher, in the actual production process, the lamp beads 9 can be installed in groups, the number of the lamp beads 9 in each group is determined according to the requirement, and the best mode is to equally divide all the lamp beads 9 into groups, as shown in fig. 7, the lamp beads 9 in each group are connected in series, the groups are connected in an associated manner, and the groups are connected with the power supply through the controllable electric switch 8. Each group of lamp beads 9 is provided with an inductor 4 for detecting the working state of the group of lamp beads 9, and the inductor 4 and the corresponding group of lamp beads 9 can be connected in series, as in the second embodiment, or arranged at a position where the state of the group of lamp beads 9 can be detected, as in the third embodiment, the detection of the working state and the ray intensity of each group of lamp strains is realized. The lamp beads 9, the sensors 4 and the controllable electric switches 8 are respectively numbered, each lamp bead group is numbered as T1, T2, T3 … Ti … Tn, each lamp bead group comprises three lamp beads 9 as an example, each lamp bead 9 in each group is respectively numbered as T11, T12, T13, T21, T22, T23 … Ti1, ti2, ti3 … Tn1, tn2 and Tn3, the sensors 4 are independently provided with circuits and named as Sensor1, sensor2, sensor3 … Sensor … Sensor, the controllable electric switches 8 are k1, k2, k3 … ki … kn, each Sensor4 is arranged at the periphery of each lamp bead group, and the working states and the radiation intensities of all the lamp beads 9 in the group are uniformly detected. The lamp bead groups are connected in parallel, and the state of each controllable electric switch 8 can be controlled according to a preset program to determine the lamp bead group entering a sterilization state. When a certain group of lamp bead groups enter a working state, the corresponding sensor4 is electrified to enter a detection state, or each group of lamp bead groups are detected according to a preset program:
sensor1 can detect the working state of the T1 group, at this time, K1 is conducted, and K2, K3 and K4 are closed;
sensor2 can detect the working state of the T2 group, at this time, K2 is conducted, and K1, K3 and K4 are closed;
sensor3 can detect the working state of the T3 group, at this time, K3 is conducted, and K1, K2 and K4 are closed;
sensor4 can detect the operating condition of T4 group, and K4 switches on, and K1, K2, K3 switch off at this moment.
Similarly, all groups of beads 9 are detected separately.
The sensor4 detects the working state of each lamp strain group, and the controller compares the received real-time data with the initial state, judges the state of the lamp beads 9 and gives reminding information such as faults, performance attenuation and the like. Similarly, the sensor4 is disposed at the periphery of each group of beads or at a position convenient for receiving the rays of the group of beads 9, detects the comprehensive state of the whole group of beads 9, and sends the detection data to the controller to perform the judgment method as described in the first to third embodiments.
Fifth embodiment:
the electrical connection of the beads 9 and the arrangement of the sensor4 may be any one of the first to fourth embodiments, which is different in that, considering that the lifetime of the beads 9 is generally short, in order to meet the lifetime requirement and avoid frequent maintenance, in this embodiment, a redundancy design is adopted, as shown in fig. 9a and 9b, the deep ultraviolet lamp includes two color lamps of red (non-shadow beads in fig. 9)/blue (light shadow beads in fig. 9), the two color beads 9 are respectively connected in any one of the first to fourth embodiments, and are arranged on the lamp strip, and the red and blue beads are alternately arranged, which is equivalent to arranging two sets of the beads 9 (reactors 3) on the lamp strip, and the two sets of the combinations alternately work, so as to avoid the beads 9 in any one set of the combinations being in a working mode for a long time, and improve the service life of the beads 9. As shown in fig. 9a, the two color beads 9 are arranged at intervals on the same straight line of the fixed frame 7, as shown in fig. 9b, the two color beads 9 are arranged in two rows on the fixed frame 7, wherein one row of the beads 9 (including the two color beads) is on the same straight line as the sensor4, the other row is also arranged on the fixed frame, a certain distance is left between the two rows, or the other row protrudes from the fixed frame 7 through a bracket. In addition, the sensor4 detects the state of the combination of the two sets of lamp beads respectively and sends out corresponding alarm prompts, when the two sets of lamp beads 9 reach the service life, the service life expiration alarm prompts are carried out again, the whole service life of the sterilizing device is prolonged, frequent cleaning and replacement are avoided, and the service life requirement is met. Each set of lamp bead combination is provided with one set of sensor combination, and as shown in fig. 9, only one set of sensor4 is provided to reduce the consumption of the sensor4, and as in the third embodiment and the fourth embodiment, the sensor circuits are singly arranged to respectively detect the deep ultraviolet rays in the working state in the two sets of lamp bead combinations according to the rules described above, and upload the detection data to the controller. In practical applications, the sensor4 or the monitor 10 may be separately provided in each set of the lamp bead combination according to the description of the first to fourth embodiments, without limitation and requirement.
The deep ultraviolet ray generating and detecting device 2 according to any one of the first to fifth embodiments is formed by arranging the lamp beads 9 and the sensor4 on the lamp strip and fixing the lamp strip on the inner wall of the fixing frame 7. Taking the deep ultraviolet ray generating and detecting device 2 described in the fourth embodiment as an example, 12 lamp beads 9 are divided into four groups, each group of three lamp beads 9 is provided with four inductors 4, the lamp beads 9, the controllable electric switch 8, the inductors 4 or the monitor 10 are arranged on a lamp strip, the lamp strip is fixed on the inner wall of the fixed frame 7, 12 lamp beads 9 are arranged on the fixed frame 7 to form a layout structure as shown in fig. 8, four lamp beads 9 are respectively arranged on a top plate and a bottom plate of the fixed frame 7, two lamp beads 9 are respectively arranged on the left side plate and the right side plate, and one inductor 4 is respectively arranged at the center position of each side plate. In the embodiment, when the width is larger than the height in the section of the air duct and the beads 9 are distributed, each group comprises 3 beads 9, four groups of the beads are respectively provided with two beads 9 on the transverse side plates, one bead 9 is arranged on the side plate, each group of the beads is separated by the sensor4, namely, one sensor4 is arranged at the center position of each side plate of the fixed frame 7, each bead 9 emits deep ultraviolet rays to the center of the primary filter screen 1, therefore, the sensor4 corresponding to each group of the beads 9 is arranged on the side plate opposite to the group of the beads 9, in the embodiment, the first group of the beads and the second group of the beads are respectively provided with two beads 9 on the top plate of the fixed frame 7, the other bead 9 of each group is correspondingly and nearby arranged at the upper part of the adjacent side plate, the third group of lamp beads and the fourth group of lamp beads are respectively provided with two lamp beads 9 on the bottom plate of the fixed frame 7, the other lamp bead 9 of each group is correspondingly and nearby arranged at the lower part of the adjacent side plate, an inductor 4sensor3 (R3 in fig. 8) for detecting the working state of the third group of lamp beads is arranged between the first group of lamp beads and the second group of lamp beads, an inductor 4sensor1 (R1 in fig. 8) for detecting the working state of the first group of lamp beads is arranged between the third group of lamp beads and the fourth group of lamp beads, an inductor 4sensor2 (R2 in fig. 8) for detecting the working state of the second group of lamp beads is arranged between the second group of lamp beads and the third group of lamp beads on the left side plate, and an inductor 4sensor4 (R4 in fig. 8) for detecting the working state of the fourth group of lamp beads is arranged between the third group of lamp beads and the fourth group of lamp beads on the right side plate. When the detection of the working state and the radiation intensity of the beads 9 is required when all the beads 9 are in the working state, the beads 9 of the bead group not detected by the sensor4 are considered to have an influence on the detection result of the sensor4, so that the influence data is included in the pre-stored initial state data in the controller to reduce the influence of the beads 9 around the sensor 4.
It should be noted that, after the above-mentioned deep ultraviolet ray generating and detecting device 2 is placed on the primary filter screen of the fresh air duct and/or the return air duct and/or the mixed air duct on the air intake side of the evaporator, in practical application, the deep ultraviolet ray generating and detecting device 2 may be placed at any position of any air duct of the vehicle-mounted air conditioner, so that the flowing air in the air duct may be effectively sterilized, and meanwhile, the device may be widely applied to other air processing devices, such as a fresh air blower, an air purifying device, a household air conditioner, a commercial air conditioning unit, etc., and in five embodiments of the connection mode of each lamp bead 9, various status data such as the intensity of the deep ultraviolet ray emitted by the lamp bead 9 is detected by the sensor4 or the monitor 10, and sent to the controller. When the deep ultraviolet ray generating and detecting device 2 is applied to a fresh air blower, an air purifying device and an air conditioning device/unit, the deep ultraviolet ray generating and detecting device 2 can be placed behind the primary filter screen 1 of the fresh air duct and/or behind the filter screen of the return air duct and/or in the mixed air duct (if the filter screen is arranged in the mixed air duct and placed behind the filter screen) according to sterilization requirements. In the embodiments of the connection method of the light beads 9 in the deep-drawing and detecting device 2 provided above, when the light rays of each light bead 9 (each group of light beads) are detected by the sensor4, the light rays corresponding to the light beads 9 and the light bead groups can be respectively sensed in a predetermined sequence in idle time, and the data are sent to the controller for corresponding processing and judgment, or the whole light rays can be sensed and sent to the controller in the using process of the air purifying device, and the controller can compare the received data with the initial data and different thresholds increased along with the using time according to a predetermined program, or lead into a pre-trained model for corresponding judgment, calculate the average value, the weighted average value and other modes of the data, judge the abnormal data, select the median after the data are screened, and the like.
The embodiment further provides an intelligent diagnosis method for the state of the lamp beads 9 capable of emitting deep ultraviolet rays by using the deep ultraviolet ray generation and detection device 2 (sterilization device), and a specific diagnosis method is described by taking the distribution structure of the lamp beads 9 shown in fig. 8 as an example. As described above, the deep ultraviolet ray generator 3 mainly includes the deep ultraviolet lamp beads 9, and the lamp beads 9 are uniformly distributed on the inner wall of the fixed frame 7 through the lamp belt, so as to sterilize and disinfect the air after primary filtration without dead angle. Because the emitted ray intensity of the deep ultraviolet lamp beads 9 can be attenuated along with the service time, namely, the lamp beads 9 have a certain service life, in order to detect the deep ultraviolet ray intensity emitted by the lamp beads 9 so as to judge the service life of the lamp beads 9, the deep ultraviolet ray sensor4 is further arranged on the fixed frame 7, the sensor4 acquires the sensing data of the ray intensity of the lamp beads 9, the data are transmitted to the controller through the control bus 5 arranged in the lamp belt, the controller processes the data according to a preset program, then the data are respectively compared with pre-stored initial state data and the ray prediction model data/thresholds of different stages, whether the maintenance mode is entered is judged according to the comparison result, a maintenance signal is output, a user is reminded to maintain and clear, when the intelligent diagnosis project is operated after the intelligent diagnosis project is cleaned, the data are judged to be maintained and cleaned according to the stored data, the analysis data is continued, the operation effect is tracked continuously, the maintenance signal is timely sent, the residual time can be predicted, the data is transmitted to the control center, and the intelligent diagnosis project application is facilitated.
Further, the controller may pre-store the thresholds of different states of the reactor when the lamp beads 9 are used for different time, the thresholds are different along with the time, a continuous interval is formed between the thresholds, each interval corresponds to different states of the lamp beads 9, the controller receives real-time data of the sensor4, compares the real-time data with the initial data and the threshold interval after processing, determines the real-time state of the lamp beads 9 corresponding to the measured value in the interval, and displays or alarms the state of the lamp beads 9, and when the real-time data is in the minimum interval or is out of the minimum interval, the controller considers that the service life of the lamp beads is expired, alarms, or when the real-time data is in a certain interval, early warning and prompting are performed in advance to ensure the sterilizing effect.
Taking the grouping and circuit connection of the lamp beads 9 shown in fig. 7 and the layout structure of the lamp beads 9 on the fixed frame 7 shown in fig. 8 as an example, the intelligent judging and breaking method of the dirty state of the deep ultraviolet ray generator 3 provided by this implementation is introduced, as shown in fig. 10, firstly, performing a simulation experiment on the whole air conditioner to obtain various test data including, but not limited to, the test data of the lamp beads 9 when the filter screen is in a clean state, various data of the lamp beads 9 without air inlet and when the lamp beads 9 keep the clean state and change with time, various data of the lamp beads 9 in a simulated air inlet state and gradually dirty state when the time increases, the test data of the lamp beads 9 when the filter screen is in the first use can be used as initial data for comparison analysis, determining thresholds or ray measurement models of different states according to the various data of the lamp beads 9 without air inlet and the various data when the lamp beads 9 keep the clean state and gradually dirty state when the time increases, presetting a cleaning attenuation coefficient of the lamp beads 9 in a controller as eta 1% according to the various test data, and setting the cleaning attenuation coefficient of the preset lamp beads 9 in the controller as eta 1, and setting the initial cleaning period eta 2 to be the cleaning period etaNumber Time 0 。
After the fixed frame 7 with the lamp beads 9 is installed in the air duct of the vehicle-mounted air conditioner, the initial detection values of the preset sensors R1, R2, R3 and R4 are V11, V12, V13 and V14 respectively, the initial running time is recorded, the test preset time, for example, 1 hour can be tested, and the average value VT0 of the rays detected by each sensor4 in 1 hour is recorded as an initial value. Specifically, the lamp strains T11-T43 of the deep ultraviolet ray generator 3 are all electrified and turned on, the deep ultraviolet rays are emitted, the sensors R1-R4 work simultaneously, the ray induction value in the initial state is tested, the induction data are respectively sent to the controller, the controller calculates the average value of a plurality of groups of data received in a preset test time (1 hour) and takes the average value as an initial value VT O . The test time interval, the data value amount and the number of times of value can be set by itself, in this embodiment, when the initial value is obtained by the test, the test time is 1 hour, the value is taken every 0.5 hour, in the subsequent normal operation or the process of obtaining the test data, the data is taken every 1 hour, the data is taken at 0.5 hour, the average value is calculated by the controller, and the average value is stored for at most 10 times each day.
Judging whether the radiation sensing value (average value, the same is true) obtained each time is smaller than VT 0 *η 1 The real-Time ray induction value is smaller than VT0 x eta 1 from the first occurrence, the duration of the state is longer than 1 week (the preset Time can be set according to the cleaning requirement, and the later is the same), the filter screen is regarded as filth blockage, a filter screen filth blockage maintenance signal is sent, and the number of days of maintenance period is recorded at the same Time 1 The average of the tests is recorded. In this embodiment, a method for determining filter screen clogging is also provided. Wherein eta 1 For cleaning attenuation coefficient, the attenuation coefficient can be obtained by comprehensively calculating the coefficient of natural attenuation of the radiation of the lamp bead 9 with the increase of the service time and the coefficient of attenuation of the radiation caused by dust accumulation on the surface of the lamp bead 9, and when the obtained radiation induction value is smaller than VT as a theoretical value 0 ×η 1 When the air quality of the inlet air is poor, the dust accumulation condition of the lamp beads 9 is serious, the emitted ray intensity is obviously reduced and is lower than the theoretical value at the moment, the dust accumulation of the lamp beads 9 is serious, and the same filter screen also can accumulate a large amount of dust to generate filth blockage.
Meanwhile, the controller can pre-store the attenuation speed alpha of the lamp beads 9 in the normal operation environment 0 And calculates the attenuation speed alpha of the measured data of the ray induction value according to the received detection data 1 When alpha is 1 ＞α 0 And when the filter screen is judged to be blocked, the filter screen cleaning and maintenance early warning signal is sent out, and maintenance work preparation is made.
After the filter screen is cleaned and maintained, the product is reinstalled, the lamp strains are all opened, the ray data are sensed again as described above, and when the average value of the sensed data obtained by the calculation of the controller is not less than VT 0 ×η 2 The filter screen is cleaned; the number of days of the cleaning maintenance period of the filter screen is restarted.
Continuously detecting the ray induction value again, calculating an average value by the controller, and judging whether the average value is smaller than an initial value VT 0 ×η 2 ×η 1 When the duration of the state is longer than 1 week, the lamp beads 9 are stained and need to be maintained, and the Time of the days of the maintenance period is recorded 2 The average of the tests is recorded. In practical applications, the duration of the state may be different according to different usage environments, and may be preset in the controller.
After the lamp beads 9 are cleaned and maintained, products are installed, lamp strains are all opened, and the test average value is not less than VT 0 ×η 1 ×η 2 2 Indicating that the lamp beads 9 are completely cleaned; the timer was restarted and the number of days for the maintenance cycle was counted.
Sequentially judging and sequentially recording the number of maintenance period days, and when the time appears continuously for a preset number of times N ＜n×time 0 When the service life of the generator is judged to be over, a corresponding alarm prompt signal is sent out, wherein the time N Time for the nth number of maintenance cycle days 0 For the number of days of the pre-stored initial maintenance period, n is a calculated multiple, and n is less than 1. In practical application, the time can be set N ＜0.5×time 0 And when the service life of the lamp beads 9 is ended, and the lamp beads are continuously 3 times, a corresponding alarm prompt signal is sent out. As described above, the number of days of the washing cycle of the lamp beads 9 and the filter net is recorded sequentially, when the number of days of any cycle is smaller than n×time 0 The lifetime of the lamp beads 9 is considered to have expired. In order to further accurately control the service life judgment reminding of the lamp beads 9, the filter screen cleaning period and the lamp bead cleaning period can be recorded respectively, and when the number of days of the N times and the following N+1st and N+2nd recorded periods is smaller than N multiplied by time 0 And judging that the service life of the lamp beads 9 is expired.
The controller can detect the running state of each deep ultraviolet ray generator 3 at the same time, judge whether the deep ultraviolet ray generator has faults according to whether the working current is abnormal, reserve the quantity of some deep ultraviolet ray generators 3 at the same time, carry out redundant control on the functions of fault devices, guarantee the running reliability of products and improve the quality of the products.
The vehicle-mounted device, the deep ultraviolet ray generation and detection device 2 and the corresponding dirt judgment method provided by the invention are compared with the prior art:
the intelligent control device has the purification effect feedback function, can detect the operation effect of the deep ultraviolet ray generator 3, can send a filter screen filth blockage maintenance signal and a lamp bead 9 service life reminding signal after intelligent analysis by the control device, and is beneficial to realizing the intelligent diagnosis and intelligent operation and maintenance requirements of the purification device;
the arrangement of the deep ultraviolet ray generator 3 and the inductor 4 is beneficial to increasing the radiation area of the deep ultraviolet ray to the air and improving the purification efficiency;
the layout of the deep ultraviolet ray generator 3 and the inductor 4 is beneficial to the transverse space, the thickness of the air duct is reduced, the thickness of the air duct can be basically 20-30mm, and the popularization of the sterilizing device in the industries such as rail transit and the like for replacing the traditional filter screen is facilitated;
the state monitoring function of the deep ultraviolet ray generator 3 is provided, so that whether the deep ultraviolet ray generator 3 works reliably or not can be judged, and the fault detection and alarm function is provided;
the number of the deep ultraviolet ray generators 3 can be respectively provided with allowance according to the requirement, redundancy design is carried out, and when the control device detects that the deep ultraviolet ray generators 3 have faults, the operation is respectively controlled, so that the influence of the damage of the original deep ultraviolet ray generators 3 on the system is eliminated;
the control device has a learning and correcting function, corrects the attenuation curve model according to the initial running states of different environments and the variation trend of the sensor4 data in the periodic time range, is beneficial to more accurately outputting maintenance and diagnosis information, improves the reliability of products, and is beneficial to meeting the requirements of intelligent operation and maintenance and intelligent diagnosis systems.
As mentioned above, similar technical solutions can be derived in combination with the presented solution content. However, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (6)
1. An intelligent diagnosis method of a deep ultraviolet ray generating device is characterized in that: the deep ultraviolet ray generating device sets up in the wind channel of air treatment facility, on the air-out direction of filter screen, the deep ultraviolet ray generating device includes a plurality of deep ultraviolet ray generators and can monitor ultraviolet intensity's detection device, and the intelligent diagnosis method of deep ultraviolet ray generating device includes:
s1, performing a simulation experiment on air treatment equipment, acquiring various test data of a generator, determining thresholds of the generator in different states and/or building a deep ultraviolet ray detection model, and pre-storing the thresholds and the deep ultraviolet ray detection model in a controller of the air treatment equipment;
s2, detecting the generator before the air treatment equipment is used, and acquiring a plurality of initial data of the intensity of the generator and the deep ultraviolet rays;
s3, after the air treatment equipment operates, the detection device detects the intensity of the deep ultraviolet radiation in real time,
the initial data in the step S2 and the threshold value of the step S1 are combined, and/or the initial data and the real-time detection data are input into a detection model, so that the dirty blocking state of the generator is judged, and an alarm prompt is sent;
when the detected data is smaller than VT 0 ×η 2 ×η 1 And the duration of the state is longer than the preset time, the generator is stained and needs to be maintained, and the number of maintenance period days is recorded, wherein VT O To the initial value of the radiation intensity of the generator, eta 1 Is in the controllerPreset generator cleaning attenuation coefficient, eta 2 The periodic attenuation adjustment coefficient is prestored in the controller;
s4, after the generator is cleaned and reinstalled, ending the alarm, and reentering the step S3, circularly detecting until the service life of the generator is ended, and sending out an expiration-of-service-life alarm;
after the generator is cleaned, maintained and reinstalled, all generators are controlled to be fully opened, and the detection is carried out again,
when the detected data is greater than VT 0 ×η 1 ×η 2 2 When the generator is cleaned, starting to enter step S3 again, and performing cycle detection;
after each generator cleaning, the number of maintenance period days is recorded respectively, when the maintenance period recorded continuously for preset times is less than n time 0 When the service life of the generator is judged to be finished, a corresponding alarm prompt signal is sent out, wherein time0 is the number of days of the pre-stored initial maintenance period, n is a calculated multiple,
and n <1;
when alpha is 1 ＞α 0 When the filter screen is in the high-speed state, the filter screen cleaning and maintenance early warning signal is sent out to prompt that maintenance preparation is ready, wherein alpha is as follows 0 For the attenuation speed alpha of a pre-stored generator in the controller under the normal operation environment 1 And (3) the attenuation speed of the measured data of the radiation induction value obtained according to the received real-time detection data in the step (S3).
2. The intelligent diagnosis method for a deep ultraviolet ray generating apparatus according to claim 1, wherein: in step S1, the various test data include, but are not limited to, test data of the generator when the filter screen is first used in a clean state, various test data of the generator changing with time when the generator is kept in a clean state without air intake, and various test data of the generator in a simulated air intake state with time when the generator is gradually polluted.
3. The intelligent diagnosis method for a deep ultraviolet ray generating apparatus according to claim 1 or2, characterized in that: step (a)S3, when the detection data of the obtained ray induction value is smaller than VT 0 ×η 1 The duration time is longer than the preset time, and the filter screen is considered to be dirty and blocked, and a filter screen dirty and blocked maintenance signal is sent out, wherein VT O To the initial value of the radiation intensity of the generator, eta 1 The purge decay factor for the generator preset in the controller.
4. A method for intelligent diagnosis of a deep ultraviolet ray generating apparatus according to claim 3, wherein: when the filter screen is used for the first time after being cleaned, the ray detection data of the generator is detected again, and when the detection data is larger than or equal to VT 0 ×η 2 And (5) indicating that the filter screen is cleaned, and restarting timing.
5. The intelligent diagnosis method for a deep ultraviolet ray generating apparatus according to claim 1, wherein: in step S2, the generators are all powered on, the sensing values of the rays in the initial state are tested, and the sensing data are respectively sent to the controller, and the controller calculates the average value of a plurality of groups of data received in a predetermined test time, and the average value is used as initial data.
6. The intelligent diagnosis method for a deep ultraviolet ray generating apparatus according to claim 1, wherein: in step S3, real-time detection data is calculated by the same method as in step S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210103875.9A CN114623561B (en) | 2022-01-28 | 2022-01-28 | Intelligent diagnosis method of deep ultraviolet ray generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210103875.9A CN114623561B (en) | 2022-01-28 | 2022-01-28 | Intelligent diagnosis method of deep ultraviolet ray generation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114623561A CN114623561A (en) | 2022-06-14 |
| CN114623561B true CN114623561B (en) | 2024-04-02 |
Family
ID=81898406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210103875.9A Active CN114623561B (en) | 2022-01-28 | 2022-01-28 | Intelligent diagnosis method of deep ultraviolet ray generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114623561B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000033116A (en) * | 1998-07-16 | 2000-02-02 | Daikin Ind Ltd | Deodorizing device and air-conditioning indoor unit provided therewith |
| CN203861629U (en) * | 2014-05-06 | 2014-10-08 | 深圳市吉迈克环保科技有限公司 | Double sterilization and purification device used for air treatment in garbage chamber |
| KR20180010762A (en) * | 2016-07-22 | 2018-01-31 | 엘지전자 주식회사 | Air conditioner |
| CN109140691A (en) * | 2017-06-19 | 2019-01-04 | 奥克斯空调股份有限公司 | A kind of stifled situation automatic testing method of idle call filter screen dirtying |
| CN112429029A (en) * | 2020-10-23 | 2021-03-02 | 石家庄国祥运输设备有限公司 | Method for online diagnosing filth blockage of air filter of air conditioning system of railway vehicle |
| CN112682892A (en) * | 2019-10-18 | 2021-04-20 | 广州市朗普光电科技有限公司 | Air purification equipment |
| CN213810875U (en) * | 2020-09-17 | 2021-07-27 | 广东美的暖通设备有限公司 | Sterilization lamp, sterilization device and air conditioning system thereof |
-
2022
- 2022-01-28 CN CN202210103875.9A patent/CN114623561B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000033116A (en) * | 1998-07-16 | 2000-02-02 | Daikin Ind Ltd | Deodorizing device and air-conditioning indoor unit provided therewith |
| CN203861629U (en) * | 2014-05-06 | 2014-10-08 | 深圳市吉迈克环保科技有限公司 | Double sterilization and purification device used for air treatment in garbage chamber |
| KR20180010762A (en) * | 2016-07-22 | 2018-01-31 | 엘지전자 주식회사 | Air conditioner |
| CN109140691A (en) * | 2017-06-19 | 2019-01-04 | 奥克斯空调股份有限公司 | A kind of stifled situation automatic testing method of idle call filter screen dirtying |
| CN112682892A (en) * | 2019-10-18 | 2021-04-20 | 广州市朗普光电科技有限公司 | Air purification equipment |
| CN213810875U (en) * | 2020-09-17 | 2021-07-27 | 广东美的暖通设备有限公司 | Sterilization lamp, sterilization device and air conditioning system thereof |
| CN112429029A (en) * | 2020-10-23 | 2021-03-02 | 石家庄国祥运输设备有限公司 | Method for online diagnosing filth blockage of air filter of air conditioning system of railway vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114623561A (en) | 2022-06-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10139118B2 (en) | Air treatment apparatus and method | |
| CN107076438B (en) | Air conditioner and control method thereof | |
| US20070181000A1 (en) | Air quality device | |
| US7120006B2 (en) | Ion generator and air conditioning apparatus | |
| KR100878683B1 (en) | Air filtering device for air-clean | |
| EP1382096B1 (en) | Ion generator and air conditioning apparatus | |
| US20120180655A1 (en) | Air treatment apparatus and method | |
| US20060233660A1 (en) | Ion generator and air conditioner | |
| WO2003092752A1 (en) | Air sterilizer using ozone | |
| CN103216920B (en) | The alarm set clean for air-conditioning and control method thereof | |
| CN111947274B (en) | Cleaning treatment method for air conditioner filter screen, air conditioner internal unit and air conditioner | |
| CN114623561B (en) | Intelligent diagnosis method of deep ultraviolet ray generation device | |
| CN220582654U (en) | Deep ultraviolet ray generation and detection device | |
| CN220103340U (en) | Air purifying device | |
| CN218640651U (en) | Vehicle-mounted air conditioner | |
| CN114563321A (en) | Filth blockage judgment method for vehicle-mounted air conditioner filter screen | |
| CN110822581B (en) | Intelligent air conditioning system | |
| JP2004093019A (en) | Air cleaner | |
| CN101504172B (en) | Novel photocatalysis air purifier | |
| CN201407755Y (en) | Novel photocatalysis air cleaner | |
| CN110360675A (en) | A kind of outdoor fresh air device | |
| CN214355445U (en) | Air purification system | |
| CN113883695A (en) | High-speed railway station bathroom self-adaptation ventilation system based on dynamic response | |
| CN109373532B (en) | Control method and device for purifying air based on cold plasma | |
| CN215892695U (en) | Central air conditioning disinfection purifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |