CN111882919A - Property management is with automatic suggestion device in idle parking stall based on thing networking - Google Patents
Property management is with automatic suggestion device in idle parking stall based on thing networking Download PDFInfo
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- CN111882919A CN111882919A CN202010698732.8A CN202010698732A CN111882919A CN 111882919 A CN111882919 A CN 111882919A CN 202010698732 A CN202010698732 A CN 202010698732A CN 111882919 A CN111882919 A CN 111882919A
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- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
- G08G1/142—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces external to the vehicles
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Abstract
The invention provides an Internet of things-based automatic vacant parking space prompting device for property management, which comprises a lower base and an upper base, wherein cylinders are fixedly arranged at four corners of the top of the lower base, return springs are sleeved outside the four cylinders, a clamping groove switch is fixedly arranged at the top of the lower base, a pressing lug is arranged at the position, opposite to the clamping groove switch, of the bottom end of the upper base, a fixed seat is fixedly connected to one side of the upper base, a supporting column is fixedly arranged at the top of the fixed seat, and a rotating disc is arranged at the top of the supporting column, the scheme is characterized in that the upper base and the lower base are mutually matched through the cylinders, the clamping groove switch and the pressing lug are separated, an LED display screen is closed, a light converter is matched at the same time, parking space parking light information on the LED display screen is changed, and the parking situation, reducing the search takes a significant amount of time.
Description
Technical Field
The invention belongs to the technical field of property management, and particularly relates to an automatic idle parking space prompting device for property management based on the Internet of things.
Background
Along with the continuous development of society, people's quality of life constantly improves, the quantity of private car is also more and more, the difficult problem of parking that comes thereupon has been highlighted, present all kinds of parking areas, there is the disappearance that empty parking stall shows, artifical the seeking consumes a large amount of time, current technique can't reflect at the terminal through the occupation condition of surveying control to the parking stall, then can't present on the dynamic parking stall guides the screen, make the driver can't observe the quantity of empty parking stall and the direction of travel that has the parking area of empty parking stall through the demonstration on the dynamic parking stall guides the screen very first time.
Disclosure of Invention
The invention aims to provide an automatic idle parking space prompting device for property management based on the Internet of things, and aims to solve the problems that in the prior art, the traditional automatic idle parking space prompting device has the defect of idle parking space display when a vehicle is parked, and a large amount of time is consumed for manual searching.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a property management is with automatic suggestion device in idle parking stall based on thing networking, base and last base under the parking stall, four equal fixed mounting in corner in top of base have the cylinder down, four the outside cover of cylinder has reset spring, the top fixed mounting of base has the draw-in groove switch down, the bottom of going up the base is installed with draw-in groove switch relative position department and is pressed the lug, go up one side fixedly connected with fixing base of base, the top fixed mounting of fixing base has the support column, the top of support column is equipped with the carousel, one side fixed mounting of carousel has the LED display screen, the bottom fixed mounting of going up the base has vehicle detector.
In order to adjust and control the horizontal position of the camera, according to a preferred embodiment of the invention, the top of the turntable is fixedly provided with an electric hinge, two sides of the electric hinge are fixedly connected with connecting plates, the top and the bottom between the two connecting plates are respectively and fixedly provided with a first electric telescopic rod and a second electric telescopic rod, one end of the first electric telescopic rod is movably connected with one side of the connecting block through a movable pin, and one end of the second electric telescopic rod is movably connected with the bottom end of the connecting block through a movable pin.
In order to enable the lamp tubes of the parked vehicles to be switched, preferably, one side of the connecting block is provided with a groove, the top of the connecting block is fixedly provided with a motor, the output end of the motor is fixedly connected with the rotating rod, and the outer side of the rotating rod is fixedly connected with the monitoring mechanism.
In order to enable the signal emitter to be matched with the WIFI receiver to transmit parking space parking information, the monitoring mechanism is preferably fixedly connected with one side of the top of the fixed monitoring shell, the signal emitter is fixedly mounted on one side of the fixed monitoring shell, the front surface of the signal emitter is fixedly provided with the camera and the WIFI receiver respectively, and the PLC is mounted inside the fixed monitoring shell.
In order to enable the PLC to control the automatic prompting device of the idle parking space, a single chip microcomputer is fixedly installed on one side of the PLC, an nRF2401 module is integrated inside the single chip microcomputer, the LED display screen, the first electric telescopic rod, the second electric telescopic rod, the signal transmitter, the vehicle detector, the camera and the WIFI receiver are respectively and electrically connected with the PLC, and the PLC is electrically connected with the control terminal through the single chip microcomputer and the nRF2401 module.
In order to avoid the influence on the normal use of the device caused by the conditions of accidental collision and the like in daily use, the smashing prevention device preferably comprises a transmission screw, the transmission screw is fixed on the upper surface of an upper base through a support, one side of the transmission screw, which is far away from a main body of the automatic prompting device for the idle parking space, is connected with an output end of a driving motor, the driving motor is connected with a frequency converter, the frequency converter is connected with a single chip microcomputer, and the driving motor is electrically connected with a control terminal through the single chip microcomputer connected with the frequency converter; the anti-smashing frame is positioned on the upper side of the upper base, is a hollow shell and surrounds the outer side of the main body of the automatic prompting device for the idle parking space, and is fixedly connected to the transmission nut; and the transmission nut is connected to the transmission screw rod and forms a screw pair with the transmission screw rod.
Preferably, the smashing prevention device is provided with a dust removal device, and the dust removal device comprises:
the frequency converter is arranged on the air inlet machine and used for adjusting the actual power supply frequency of the air inlet machine;
the flow regulating valve is arranged at the air inlet and used for regulating the flow of the gas entering the dust removal device;
the flow sensor is arranged in the air inlet and used for detecting the gas flow;
the pressure sensor is arranged in the air inlet and used for detecting the gas pressure;
the flow velocity sensor is arranged in the air inlet and used for detecting the flow velocity of the gas;
flow control valve, flow sensor, velocity of flow sensor, pressure sensor, respectively with controller electric connection, the controller is based on flow sensor, velocity of flow sensor, pressure sensor control flow control valve work includes following step:
step 1: the controller calculates a target flow rate of the intake pipe by formula (1):
a is the target flow of the air inlet pipeline, pi is a constant and is 3.14,1the actual power frequency of the air inlet machine, B is the diameter of the air inlet, C is the length of the air inlet pipeline, X is the detection value of the pressure sensor, and X is the actual power frequency of the air inlet machine0The pressure in the air inlet pipeline is taken as a reference value, Y is the gas flow speed detected by the flow speed sensor, and theta is the reference value of the gas flow speed in the air inlet pipeline;
step 2: calculating the target valve opening of the flow regulating valve through a formula (2);
alpha is the target valve opening of the flow regulating valve, Q0Alpha 0 is the maximum valve opening of the flow regulating valve,0is provided with air inletA power supply frequency reference value of the machine;
the controller compares the flow value detected by the flow sensor with a target flow value calculated by a formula (1), and when the flow value detected by the flow sensor is greater than or less than the target flow value, the controller adjusts the valve opening of the flow regulating valve to the target valve opening; when the flow value detected by the flow sensor is equal to the target flow value, the controller does not adjust the flow regulating valve.
Compared with the prior art, the invention has the beneficial effects that:
(1) the air cylinders on the upper base and the lower base are matched with each other, so that the clamping groove switch is separated from the pressing lug, the LED display screen is closed, and the light converter is matched, so that parking space parking light information on the LED display screen is changed, the parking condition of vehicles in the garage can be observed by naked eyes in time, the time consumed for searching for empty parking spaces is reduced, and the parking efficiency is improved;
(2) the parking condition of the vehicle is shot and recorded through the arranged camera, an operator timely detects the parking condition of the vehicle, and is convenient to allocate in time, the WIFI receiver is connected with the network, and the communication signal transmitter transmits shot contents to an operation panel of the terminal, so that the parking condition of the vehicle in the parking space is convenient to monitor, and the problem that the occupied condition of the empty parking space cannot be reflected on the terminal through detection and monitoring and cannot be presented on a dynamic parking space guide screen in the prior art is solved;
(3) through the conversion of light converter, convert the green light that has the parking stall on the LED display screen into the yellow light that does not have the car, simultaneously through vehicle detector's setting, detect the vehicle in the parking stall, through mutually supporting of signal transmitter and WIFI receiver, on the operating room display panel at terminal is berthhed to the information transmission with the vehicle, the car owner of being convenient for in time carries out the parking stall and seeks to berth the empty parking stall and directly observes berthing, the completion is observed the quantity of empty parking stall and the direction of marcing of going to the parking area that has the empty parking stall.
(4) Through setting up and preventing pounding the device, control by control terminal according to the operating condition of idle parking stall automatic suggestion device main part and prevent pounding the device and make linear motion on drive screw, when idle parking stall automatic suggestion device main part monitor the vehicle information of berthing, when this parking stall was the car state, control terminal controlled and prevented pounding the device and remove to idle parking stall automatic suggestion device main part upper end, surround idle parking stall automatic suggestion device main part in preventing pounding the frame, avoid unexpected circumstances such as collision to influence idle parking stall automatic suggestion device main part normal use. When the automatic prompting device main body for the vacant parking space monitors that the parking space is in a vehicle-free state, the control terminal controls the anti-smashing device to move away from the upper end of the automatic prompting device main body for the vacant parking space, the automatic prompting device main body for the vacant parking space is exposed, and the situation that a driver is influenced to observe the light display state of the automatic prompting device main body for the vacant parking space is avoided.
(5) Through the dust collector who sets up, can control periodic start dust collector by control terminal, utilize high-pressure draught to remove dust the action, dust on the effective clearing device of ability avoids because the dust is piled up the automatic suggestion device main part normal use that influences idle parking stall to mechanical self-cleaning's mode is more artifical clean, very big improvement clean efficiency, has saved the human cost.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a second schematic structural diagram of the present invention;
FIG. 4 is a schematic view of the structure of the upper base of the present invention;
FIG. 5 is a third schematic structural diagram of the present invention;
FIG. 6 is a circuit diagram of the present invention.
In the figure: 1. a lower base; 101. an upper base; 102. a cylinder; 103. a return spring; 104. a card slot switch; 105. pressing the bump; 106. a fixed seat; 107. a support pillar; 108. a turntable; 109. an LED display screen; 110. a connecting plate; 111. a first electric telescopic rod; 112. connecting blocks; 113. a second electric telescopic rod; 114. grooving; 115. a motor; 116. a rotating rod; 117. a monitoring mechanism; 118. fixing the monitoring shell; 119. a signal transmitter; 120. a camera; 121. a WIFI receiver; 2. an anti-pound device; 201. a drive screw; 202. a support; 203. a drive nut; 204. the anti-smashing frame; 3. a dust removal device; 301. a housing; 302. an air inlet; 303. cleaning the filter screen; 304. a first inner liner plate; 305. a second inner liner plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a property management is with automatic suggestion device in idle parking stall based on thing networking, base 1 and last base 101 under including the parking stall, the equal fixed mounting in four corners in top of base 1 has cylinder 102 down, the outside cover of four cylinders 102 has reset spring 103, the top fixed mounting of base 1 has draw-in groove switch 104 down, the bottom of going up base 101 is installed with draw-in groove switch 104 relative position department and is pressed lug 105, go up one side fixedly connected with fixing base 106 of base 101, the top fixed mounting of fixing base 106 has support column 107, the top of support column 107 is equipped with carousel 108, one side fixed mounting of carousel 108 has LED display screen 109, the bottom fixed mounting of going up base 101 has vehicle detector.
In this embodiment, the top fixed mounting of carousel 108 has electric hinge, and electric hinge's both sides fixedly connected with connecting plate 110, top and bottom between two connecting plates 110 respectively fixed mounting have first electric telescopic handle 111 and second electric telescopic handle 113, and the one end of first electric telescopic handle 111 is through movable pin and one side swing joint of connecting block 112, and the one end of second electric telescopic handle 113 is through movable pin and connecting block 112 bottom swing joint.
When in specific use, the parking condition of the vehicle in the parking lot can not be directly observed and obtained, the parking is conveniently and quickly found and stopped by the timely discovery on the screen inside the operating room, so that the parking is realized by the mutual cooperation of the air cylinder 102 and the return spring 103 on the lower base 1, the bottom end of the upper base 101 is supported, and then the card slot switch 104 and the pressing projection 105 are separated, meanwhile, the light converter with the model of AMC1200 is matched to lead the parking space stop light information on the LED display screen 109 to be replaced, the movable hinge at the top is driven to rotate by the arranged turntable 108, the horizontal height of the camera 120 arranged on the fixed monitoring shell 118 is adjusted, the first electric telescopic rod 111 and the second electric telescopic rod 113 coordinate with each other, the fixed monitoring shell 118 at one end of the two connecting plates 110 is regulated and controlled, so that the parking information can be timely acquired.
In this embodiment, one side of the connecting block 112 is provided with a slot 114, the top of the connecting block 112 is fixedly provided with a motor 115, an output end of the motor 115 is fixedly connected with a rotating rod 116, and an outer side of the rotating rod 116 is fixedly connected with a monitoring mechanism 117.
During the specific use, the motor 115 through connecting block 112 top setting rotates and drives bull stick 116, adjusts the camera 120 angle of connecting block 112 then, promotes the utilization ratio that the parking stall was berthhed.
In this embodiment, the monitoring mechanism 117 includes and fixes one side fixed connection at the top of the monitoring casing 118, and one side fixed mounting of the fixed monitoring casing 118 has the signal emitter 119, and the front of the signal emitter 119 is respectively fixed mounting has the camera 120 and the WIFI receiver 121 that the model is "BL-LW 04-A2M", and the internally mounted of the fixed monitoring casing 118 has the PLC controller.
During the specific use, utilize control terminal (cell-phone, computer etc.) to send control command, utilize nRF2401 module to receive control signal, and utilize the singlechip to handle feedback to the PLC controller, turn on signal transmitter 119, WIFI receiver 121 and camera 120 through the control of PLC controller, through the shooting of camera 120, operating personnel in time detects the vehicle condition of berthing, do good adjustment, switch on the network through WIFI receiver 121 simultaneously, carry the content of shooing to the operating panel at terminal through signal transmitter 119 of the model "SCT-Q5", be convenient for monitor the vehicle condition of berthing on the parking stall.
In this embodiment, one side fixed mounting of PLC controller has the singlechip, and the internal integration of singlechip has nrF2401 module, LED display screen 109, first electric telescopic handle 111, second electric telescopic handle 113, signal transmitter 119, vehicle detector, camera 120 and WIFI receiver 121 respectively with PLC controller electric connection, the PLC controller passes through singlechip and nrF2401 module and control terminal electric connection, wherein the PLC controller model is "S7-200".
When the parking stall reminding device is used specifically, equipment on the parking stall automatic reminding device is convenient to control through the PLC.
Supplementary explanation: when a vehicle enters a parking space, the upper base 101 is pressed by the weight of the vehicle, so that the pressing bump 105 and the clamping groove switch 104 are closed, the green light with the parking space on the LED display screen 109 is converted into the yellow light without the parking space through the conversion of the light converter, meanwhile, the vehicle in the parking space is detected through the arrangement of the detector with the vehicle model of VDWB-50D, the parking information of the vehicle is transmitted to the display panel in the operating room of the terminal through the mutual matching of the signal transmitter 119 and the WIFI receiver 121, and the vehicle owner can conveniently find and park the parking space in time.
In this embodiment, a screw pair is formed by a transmission screw 201 fixed on the upper surface of the upper base 101 through a support 202 and a transmission nut 203 fixedly connected to the lower side inside the smash-proof frame 204, one side of the transmission screw 201 away from the main body of the automatic prompting device for an idle parking space is connected with the output end of a driving motor, the driving motor is connected with a frequency converter, the frequency converter is connected with a single chip microcomputer, the driving motor is electrically connected with a control terminal through the single chip microcomputer connected with the frequency converter, and the smash-proof device 2 makes linear motion on the transmission screw 201.
When the automatic idle parking space prompting device main body monitors that the parking space is in a vehicle-free state, the control terminal controls the driving motor according to the working state of the automatic idle parking space prompting device main body, when the automatic idle parking space prompting device main body monitors that the parking space is in the vehicle-containing state, the driving motor drives the transmission screw rod 201 to rotate, the screw pair formed by the transmission screw rod 201 and the transmission nut 203 drives the anti-smashing device 2 to do linear motion on the transmission screw rod 201, the anti-smashing device 2 is moved to the upper end of the automatic idle parking space prompting device main body and is protected, when the automatic idle parking space prompting device main body monitors that the parking space is in the vehicle-free state, the control terminal controls the driving motor to rotate reversely, the anti-smashing device 2 is driven to be far away from the automatic idle parking space prompting device.
In this embodiment, be equipped with dust collector 3 on anti-pound device 2, dust collector 3 includes:
the shell 301 is a conical hollow shell, the bottom of the shell is connected with a first inner lining plate 304, the first inner lining plate 304 is connected to the left side of the upper end of the outer part of the anti-smashing device 2, cleaning air ports are uniformly distributed on the first inner lining plate 304, the top of the shell 301 is connected with an air inlet 302, the air inlet 302 is connected with an air inlet machine, and the air inlet machine is electrically connected with a control terminal;
a cleaning screen 303 located inside the housing 301 and located between the air inlet 302 and the first inner lining plate 304;
and the second inner lining plate 305 is positioned on the lower side of the top plate of the anti-smashing device 2 and is connected with the first inner lining plate 304, cleaning air ports are uniformly distributed on the second inner lining plate 305, and the second inner lining plate 305 is horizontally arranged.
The working principle and the beneficial effects of the technical scheme are as follows: when the automatic prompting device is used specifically, the air inlet machine is controlled to work, high-pressure gas is injected into the dust removal device 3, and the high-pressure gas is sprayed out through cleaning air ports uniformly distributed on the first lining plate 304 and the second lining plate 305 to remove dust of the automatic prompting device main body for the idle parking space. The uniformly distributed cleaning air ports on the first inner lining plate 304 and the second inner lining plate 305 uniformly disperse the input high-pressure air, thereby improving the output air pressure and ensuring that all parts of the main body of the automatic prompting device for the vacant parking spaces can be uniformly cleaned.
In this embodiment, the dust removing device 3 further includes:
the frequency converter is arranged on the air inlet machine and used for adjusting the actual power supply frequency of the air inlet machine; wherein the air inlet machine is a dust removal fan;
the flow regulating valve is arranged at the air inlet 302 and used for regulating the flow of the gas entering the dust removal device 3;
the flow sensor is arranged in the air inlet 302 and used for detecting the flow of the gas;
the pressure sensor is arranged in the air inlet 302 and used for detecting the gas pressure;
the flow rate sensor is arranged in the air inlet 302 and used for detecting the flow rate of the gas;
flow control valve, flow sensor, velocity of flow sensor, pressure sensor respectively with controller electric connection, the controller is based on flow sensor, velocity of flow sensor, pressure sensor control flow control valve work includes following step:
step 1: the controller calculates a target flow rate of the intake pipe by formula (1):
a is the target flow of the air inlet pipeline, pi is a constant and is 3.14,1is the actual power frequency of the air inlet machine, B is the diameter of the air inlet 302, C is the air inlet pipe length, X is the pressure sensor detection value, X0The pressure in the air inlet pipeline is taken as a reference value, Y is the gas flow speed detected by the flow speed sensor, and theta is the reference value of the gas flow speed in the air inlet pipeline;
step 2: calculating the target valve opening of the flow regulating valve through a formula (2);
alpha is the target valve opening of the flow regulating valveDegree, Q0Is the maximum flow, alpha, that can be regulated by the flow regulating valve0The maximum valve opening of the flow regulating valve;
the controller compares the flow value detected by the flow sensor with a target flow value calculated by a formula (1), and when the flow value detected by the flow sensor is greater than or less than the target flow value, the controller adjusts the valve opening of the flow regulating valve to the target valve opening; when the flow value detected by the flow sensor is equal to the target flow value, the controller does not adjust the flow regulating valve.
The working principle and the beneficial effects of the technical scheme are as follows: when the automatic cleaning device is used specifically, a control terminal issues a cleaning command to the automatic prompting device main body according to an idle parking space, the dust removal device 3 feeds back data monitored by the flow sensor, the flow velocity sensor and the pressure sensor to the controller, the controller compares the monitored data with target data, adjusts the flow regulating valve, automatically controls the dust removal device 3 to work, and achieves an intelligent automatic cleaning effect. Firstly, the controller calculates the target flow of the air inlet pipeline through a formula (1), the actual power frequency of the air inlet machine, the diameter of the air inlet 302, the length of the air inlet pipeline, the air inlet pressure and the air inlet flow rate are comprehensively considered in the formula (1) to obtain the target flow, the calculation result is more reliable through the multiple parameters, and then the target valve opening degree is calculated through the target flow according to the formula (2), so that the flow is intelligently adjusted according to the valve opening degree, the flow is adaptive to the flow rate, the air pressure and the air inlet pipeline, and the dust removal effect is ensured.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a property management is with automatic suggestion device in idle parking stall based on thing networking, includes under the parking stall base (1) and last base (101) and the automatic suggestion device main part in parking stall, its characterized in that, the automatic suggestion device main part in parking stall includes: the vehicle detector is characterized in that cylinders (102) are fixedly mounted at four corners of the top of the lower base (1), reset springs (103) are sleeved outside the four cylinders (102), a clamping groove switch (104) is fixedly mounted at the top of the lower base (1), a pressing lug (105) is mounted at the position, opposite to the clamping groove switch (104), of the bottom end of the upper base (101), a fixing seat (106) is fixedly connected to one side of the upper base (101), a supporting column (107) is fixedly mounted at the top of the fixing seat (106), a turntable (108) is arranged at the top of the supporting column (107), an LED display screen (109) is fixedly mounted at one side of the turntable (108), and a vehicle detector is fixedly mounted at the bottom end of the upper base (101);
the air cylinder (102), the vehicle detector, the LED display screen (109), the rotary table (108) and the clamping groove switch (104) are all electrically connected with the controller, and the controller is connected with the control terminal through the Internet of things.
2. The automatic free parking space prompting device for property management based on the Internet of things according to claim 1, characterized in that: the top fixed mounting of carousel (108) has electric hinge, electric hinge's both sides fixedly connected with connecting plate (110), two top and bottom between connecting plate (110) respectively fixed mounting have first electric telescopic handle (111) and second electric telescopic handle (113), one side swing joint of movable pin and connecting block (112) is passed through to the one end of first electric telescopic handle (111), movable pin and connecting block (112) bottom swing joint are passed through to the one end of second electric telescopic handle (113).
3. The automatic free parking space prompting device for property management based on the Internet of things according to claim 2, characterized in that: fluting (114) has been seted up to one side of connecting block (112), the top fixed mounting of connecting block (112) has motor (115), the output and bull stick (116) fixed connection of motor (115), the outside and monitoring mechanism (117) fixed connection of bull stick (116).
4. The automatic vacant parking space prompting device for property management based on the Internet of things according to claim 3, characterized in that: monitoring mechanism (117) include with one side fixed connection at fixed control casing (118) top, one side fixed mounting of fixed control casing (118) has signal transmitter (119), the front of signal transmitter (119) respectively fixed mounting have camera (120) and WIFI receiver (121), the internally mounted of fixed control casing (118) has the PLC controller.
5. The automatic vacant parking space prompting device for property management based on the Internet of things according to claim 4, characterized in that: one side fixed mounting of PLC controller has the singlechip, and the internal integration of singlechip has nRF2401 module, LED display screen (109), first electric telescopic handle (111), second electric telescopic handle (113), signal transmitter (119), vehicle detector, camera (120) and WIFI receiver (121) respectively with PLC controller electric connection, the PLC controller passes through singlechip and nRF2401 module and control terminal electric connection.
6. The automatic free parking space prompting device for property management based on the Internet of things according to claim 1, characterized in that: go up on the base (101) and be equipped with prevents pounding device (2), prevent pounding device includes:
the transmission screw (201) is fixed on the upper surface of the upper base (101) through a support (202), one side, far away from the main body of the automatic prompting device for the idle parking space, of the transmission screw (201) is connected with the output end of a driving motor, a frequency converter is connected onto the driving motor, a single chip microcomputer is connected onto the frequency converter, and the driving motor is electrically connected with a control terminal through the single chip microcomputer connected onto the frequency converter;
the transmission nut (203) is connected to the transmission screw rod (201) and forms a screw pair with the transmission screw rod (201);
and the anti-smashing frame (204) is positioned on the upper side of the upper base (101), is a hollow shell, surrounds the outer side of the main body of the automatic prompting device for the vacant parking space, and is fixedly connected to the transmission nut (203).
7. The automatic vacant parking space prompting device based on the Internet of things for property management according to claim 6, characterized in that:
be equipped with dust collector (3) on anti-pound device (2), dust collector (3) include:
the shell (301) is a conical hollow shell, the bottom of the shell is connected with a first inner lining plate (304), the first inner lining plate (304) is connected to the left side of the upper end of the outer portion of the smashing prevention frame (204) and connected with the shell (301) and the smashing prevention device (2), cleaning air ports are uniformly distributed in the first inner lining plate (304), the top of the shell (301) is connected with an air inlet (302), the air inlet (302) is connected with an air inlet machine, and the air inlet machine is electrically connected with the controller;
a cleaning screen (303) located inside the housing (301) between the intake vent (302) and the first inner lining plate (304);
the second lining plate (305) is positioned on the lower side of the top plate of the smashing prevention frame (204) and is connected with the first lining plate (304), cleaning air ports are uniformly distributed on the second lining plate (305), and the second lining plate (305) is horizontally arranged.
8. The automatic vacant parking space prompting device for property management based on the internet of things as claimed in claim 7, wherein an air outlet of the air inlet fan is connected with the air inlet (302) through an air inlet pipeline, and the automatic vacant parking space prompting device is characterized in that:
the dust removing device (3) further comprises:
the frequency converter is arranged on the air inlet machine and used for adjusting the actual power supply frequency of the air inlet machine;
the flow regulating valve is arranged at the air inlet (302) and is used for regulating the flow of the gas entering the dust removal device (3);
the flow sensor is arranged in the air inlet (302) and used for detecting the gas flow;
the pressure sensor is arranged in the air inlet (302) and used for detecting the gas pressure;
the flow rate sensor is arranged in the air inlet (302) and is used for detecting the flow rate of the gas;
flow control valve, flow sensor, velocity of flow sensor, pressure sensor, respectively with controller electric connection, the controller is based on flow sensor, velocity of flow sensor, pressure sensor control flow control valve work includes following step:
step 1: the controller calculates a target flow rate of the intake pipe by formula (1):
a is the target flow of the air inlet pipeline, pi is a constant and is 3.14,1is the actual power frequency of the air inlet machine, B is the diameter of the air inlet (302), C is the length of the air inlet pipeline, X is the detection value of the pressure sensor, X is the actual power frequency of the air inlet machine0The pressure in the air inlet pipeline is taken as a reference value, Y is the gas flow speed detected by the flow speed sensor, and theta is the reference value of the gas flow speed in the air inlet pipeline;
step 2: calculating the target valve opening of the flow regulating valve through a formula (2);
alpha is the target valve opening of the flow regulating valve, Q0Alpha 0 is the maximum valve opening of the flow regulating valve,0the reference value of the power supply frequency of the air inlet machine is obtained;
the controller compares the flow value detected by the flow sensor with a target flow value calculated by a formula (1), and when the flow value detected by the flow sensor is greater than or less than the target flow value, the controller adjusts the valve opening of the flow regulating valve to the target valve opening; when the flow value detected by the flow sensor is equal to the target flow value, the controller does not adjust the flow regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698732.8A CN111882919B (en) | 2020-07-20 | 2020-07-20 | Property management is with automatic suggestion device in idle parking stall based on thing networking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698732.8A CN111882919B (en) | 2020-07-20 | 2020-07-20 | Property management is with automatic suggestion device in idle parking stall based on thing networking |
Publications (2)
| Publication Number | Publication Date |
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| CN111882919A true CN111882919A (en) | 2020-11-03 |
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| CN111882919B (en) | 2021-06-29 |
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