Automatically cleaning sleet sensing device
Technical field
The present invention relates to weather detector technical fields, more particularly to a kind of automatically cleaning sleet sensing device.
Background technique
With the development of science and technology requirement of the people to automation is higher and higher.For some long-term works setting outdoors
It is standby, since open-air conditions are arduous, it is also desirable to which it, can be according to Changes in weather situation automatic conversion work in the case where unattended
Operation mode.The equipment for acquiring data more outdoors, the lower data acquired are meaningless in rain and snow, Huo Zheyi
It carries out data acquisition after sleet stopping to a little equipment requirements at once, this require equipment itself with can to rain and snow weather into
The device of row perception.
Existing sleet sensing device mainly incudes whether have rainfall and/or snowfall by sleet sensor.Sleet
Sensor be using rainwater conductive characteristic can turning circuit detected whether that sleet comes, sleet sensor internal is usual
It is provided with heating device, heating and melting will be avenged and detected at snow-broth, heating device can also promote sleet sensor surface
Water evaporation come be discharged sleet attachment interference, ensure sleet sensor in system normal operation.
But the heating devices heat effect of sleet sensor internal is limited, in rainfall, the biggish situation of snowfall,
The sleet of sleet sensor surface is difficult to evaporate in time, to influence the timeliness and sensitivity of sleet sensor.
Summary of the invention
For the above problem in the prior art, the present invention provides a kind of automatically cleaning sleet sensing device, solve existing
There is the problem of sleet sensing device in technology leads to erroneous judgement and poor in timeliness due to sleet sensor surface volume attachment sleet.
In order to achieve the above object of the invention, The technical solution adopted by the invention is as follows:
There is provided a kind of automatically cleaning sleet sensing device comprising sleet sensor and the air spray being fixed on inclined surface
Mouth, towards the sensitive surface of sleet sensor, air nozzle is connected on air pressure pump by pipeline for the jet hole of air nozzle,
Solenoid valve is provided on pipeline between air nozzle and air pressure pump, sleet sensor and solenoid valve are electrically connected in control
On device processed.
Further, sleet sensor and air nozzle are fixed on the top shell upward of polyhedral cone shaped and tip,
The sensitive surface of sleet sensor is flushed with the inclined surface of top shell, and sleet biography is provided on each inclined surface of top shell
Sensor and air nozzle.By installing sleet sensor on multi-faceted conical top shell, realize that 360 ° omni-directional perceives rain
Snow, avoids erroneous judgement of the sleet sensor to rain and snow weather;Multiple sleet sensors use simultaneously, even if there is sensor event occur
Barrier nor affects on the normal use of the present apparatus, to improve the reliability and service life of the present apparatus.
Further, the air nozzle on each inclined surface of top shell is located at the oblique of corresponding sleet sensor
Top.Air nozzle above sleet sensor makes rain when being blown to the sleet on sleet sensor sensing face
Snow is directly blown at lower position, is no longer impacted to the sensitive surface of sleet sensor, to further improve the present apparatus
To the timeliness and sensitivity of sleet perception.
Further, top shell is sealedly attached to the top of waterproof cover, air pressure pump, solenoid valve and controller setting
In in waterproof cover.One waterproof shell of top shell and waterproof cover group cost apparatus avoids internal electrical component from being stained with rain
Water and damage, improve the degree of protection of the present apparatus, be conducive to the present apparatus be applied to open air.
Further, air pressure pump is removably fixed on pump bracket, and pump bracket is fixed on the bottom end of waterproof cover.Pass through
Air pressure pump is fixedly connected on inside waterproof cover by pump bracket, that is, avoid air pressure pump is influenced by rainwater, and can be made
The no small air pressure pump of volume and waterproof cover become an entirety, facilitate the carrying of the present apparatus.
Further, the junction of air pressure pump and pump bracket is provided with damping rubber pad.Damping rubber pad is for subtracting
Vibration, vibration when air pressure pump being avoided to run influence the induction sensitivity for the sleet sensor being linked together with waterproof cover.
Further, it is relatively set with radiator window on the inner sidewall of waterproof cover, protective net is installed on radiator window, wherein one
Exhaust fan is provided on a radiator window.Hot gas in waterproof cover is discharged the radiator window for being equipped with exhaust fan, and what is be oppositely arranged is another
Inlet port of one radiator window as fresh cold air, to realize the cooling inside waterproof cover;Protective net on radiator window can
It is entered inside waterproof cover to avoid external object from radiator window, damage internal electrical component or leaves security risk.
Further, handle is relatively set on the outer wall of waterproof cover.Handle facilitates the carrying present apparatus, meets human engineering
It learns.
Further, air nozzle is connected on universal joint, is provided on top shell for adjusting air nozzle position
The adjusting screw set.The position of the adjustable air nozzle of the setting of universal joint and adjusting screw, makes the nozzle of air nozzle
Mouth is with the sensitive surface of optimum orientation alignment sleet sensor.Since air nozzle is connected on universal joint, so air nozzle
The blowing angle of setting will not be influenced because of the reaction of air-flow.
The invention has the benefit that being blown compressed gas on sleet sensor sensing face by air nozzle to clear up
Extra ponding or accumulated snow, can effectively prevent sleet to be attached in sensitive surface in sensitive surface, to improve sleet sensor
Accuracy and timeliness.Controller automatically controls the on-off of solenoid valve by the detection signal of sleet sensor, makes air nozzle
It is blown according to the actual needs of sleet sensor, avoids energy waste caused by useless blowing and mechanical loss.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automatically cleaning sleet sensing device.
Fig. 2 is the top view of automatically cleaning sleet sensing device.
Fig. 3 is the partial sectional view in the direction A-A in Fig. 2.
Wherein, 1, sleet sensor;2, air nozzle;21, universal joint;22, elbow;3, air pressure pump;31, pump branch
Frame;32, damping rubber pad;4, solenoid valve;5, controller;6, top shell;7, waterproof cover;71, radiator window;72, protective net;
73, exhaust fan;74, handle;75, waterproof connector;9, adjusting screw.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
As shown in FIG. 1 to 3, which includes in triangular pyramid and the top shell of tip upward
Body 6, the tip closing of top shell 6.It is fixed by the bracket respectively on three inclined-planes of top shell 6 and is connected with sleet sensing
Device 1, the sensitive surface of sleet sensor 1 and the outboard alignment on 6 inclined-plane of top shell, 1 other parts of sleet sensor are located at top
In shell 6.
The model TR-YX of sleet sensor 1 utilizes the conductive characteristic of water, is incuded by the grid electrode on surface outer
The sleet situation on boundary;It is internally provided with intelligent microprocessor, heating device is additionally provided with and snow is melted as water, and with heating dress
Set the interference sleet attachment is discharged to detection structure.Mounting hole is carried on sleet sensor 1, is passed sleet with threaded fastener
Sensor 1 is fixed by the bracket in the oblique of the sensitive surface and top shell that on the inner wall of top shell 6, need to guarantee sleet sensor 1
Face flushes, and the sleet of accumulation is avoided to influence the normal work of sleet sensor 1.
The oblique upper of sleet sensor 1 is provided with air nozzle 2, air nozzle 2 is threadingly attached to universal joint
On 21,21 other end of universal joint and high-pressure air pipe are tightly connected.Universal joint 21 passes through top shell 6, and pipeline is introduced and is pushed up
Inside portion's shell 6, since universal joint 21 is obliquely, to be guided high pressure gas pipeline perpendicular to ground by one elbow 22 of connection
The direction in face, high-pressure air pipe are connected on air pressure pump 3.
Air pressure pump 3 is connected on pump bracket 31 by threaded fastener, the connection of air pressure pump 3 and pump bracket 31
Place is provided with damping rubber pad 32, and damping rubber pad 32 can effectively reduce other portions of vibration to the present apparatus of air pressure pump 3
It is influenced caused by part.
Pump bracket 31 is fixedly connected on the bottom inner portion of waterproof cover 7 by threaded fastener, and waterproof cover 7 is inner hollow
Cylindrical housings, top and top shell 6 are tightly connected.Flushed with top shell 6 in addition to the sensitive surface of sleet sensor and
Air nozzle 2 is located at outside top shell 6, and the other component in the present apparatus passes through the waterproof that top shell 6 and waterproof cover 7 form
Enclosure interior avoids the electrical component in the present apparatus from being stained with rainwater and damage to improve the degree of protection of the present apparatus.
It is relatively set with radiator window 71 on the inner sidewall of waterproof cover 7, protective net 72 and wherein one are installed on radiator window 71
Exhaust fan 73 is provided on a radiator window 71.Handle 74 is relatively set on the outer wall of waterproof cover 7.The bottom of close on waterproof cover 7
Two PG25 waterproof connectors 75 for running through side wall are also equipped on the side wall at end.
Air nozzle 2 is for increasing air-flow velocity.The sensitive surface of air nozzle 2 and sleet sensor 1 is in 165 ° of angle,
In the sensitive surface of the jet hole alignment sleet sensor 1 of air nozzle 2.Adjust air nozzle 2 according to the actual situation for convenience
Jet hole, in the lower section of air nozzle, i.e., be welded on 6 inclined-plane of top shell one run through 6 wall of top shell swivel nut, lead to
It crosses inside top shell 6 and is screwed into an adjusting screw 9 to achieve the purpose that adjust air nozzle 2 and be blown mouth direction.
Controller 5 uses the control chip of model STM8S003K3T6C, after detecting the signal of sleet sensor 1,
It controls solenoid valve 4 to open, air nozzle 2 is purged the sleet on 1 surface of sleet sensor.When controller 5 continuously connects three times
After receiving the sleet signal that sleet sensor 1 is passed back, rainy instruction is sent to by bus by other equipment.Bus passes through anti-
Water swivel 75 is connected on controller 5.