CN104535132A - Remote gauged rainfall gauging station - Google Patents
Remote gauged rainfall gauging station Download PDFInfo
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- CN104535132A CN104535132A CN201510000484.4A CN201510000484A CN104535132A CN 104535132 A CN104535132 A CN 104535132A CN 201510000484 A CN201510000484 A CN 201510000484A CN 104535132 A CN104535132 A CN 104535132A
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Abstract
A remote gauged rainfall gauging station comprises a base barrel, a main control chamber and a power source chamber which are sequentially connected from top to bottom, wherein a rainfall measurement device is arranged in the base barrel and the main control chamber and comprises a rain accepting device arranged at the opening position of the top of the base barrel; a rain receiver used for storing rain is arranged below an outlet of the bottom of the rain accepting device; a drainage pipeline is arranged at the bottom of the rain receiver; the outlet end of the drainage pipeline is connected with an exhauster; a horizontally arranged flow measurement guide pipe is arranged in the main control chamber; the exhauster is connected with the inlet end of the flow measurement guide pipe through a rain guide pipe; the flow measurement guide pipe is sequentially provided with a vertical exhauster and a mini-type flow meter in the rain flowing direction; the outlet end of the flow measurement guide pipe is connected with an overflow pipe with an outlet above the flow measurement guide pipe; the remote gauged rainfall gauging station further comprises a quantitative drainage assembly used for quantitatively draining rain in the rain receiver. The remote gauged rainfall gauging station has the advantages of being simple in structure, high in measurement precision, accuracy, reliability and degree of productization, convenient to use, and the like.
Description
Technical field
The present invention relates to rainfall, pressure water level metering outfit, be specifically related to a kind of water conservancy, remote gauged rainfall gaging station that agricultural, military affairs, education, scientific research, meteorological departments are used for measuring rainfall and water level.
Background technology
At present, domestic and international conventional telemetry rainfall system mainly adopts three kinds of modes: the mode of the Combined metering rainfall of the rain receiver that the first adopts a funneling iron sheet to make and a glass cylinder; It two is that funneling rain receiver connects a plastic catheter, is introduced by rainwater indoor, then carries out the mode that measures the amount of rainfall with glass cylinder; It three is adopt tipping bucket type remote gauged rainfall system to observe and predict mode, but the above method measuring rainfall more or less exists the defect of following several respects:
1, by man's activity, easily error of measured data is produced;
2, rain receiver adopts ironwork, and get rusty easily, service life of the products is limited, need change throughout the year.
3, plastic tube is exposed to the sun outdoor throughout the year, and it easily breaks, and causes the excessive phenomenon of rainwater;
4, connect rain container capacity little, as run into heavy rain or strong rainstorms, rainwater easily overflows rain receiver;
5, the utensil measuring rainfall adopts glassware, easy artificial damage;
6, the utensil of conventional metered dose rainfall is without the mode such as storage, display, transmission of rainfall continuous data;
7, when tipping bucket type remote gauged rainfall system is as run into heavy rain or strong rainstorms, because tipping bucket can be subject to machinery inertial effect, tipping bucket there will be somersault, causes the phenomenon that remote gauged rainfall numerical value is higher.
8, according to instrument structure limitation itself, remote gauged rainfall system quantities is also caused to be forbidden.
And the mode of traditional measurement earth's surface, underground water table has following two kinds both at home and abroad:
1, earth's surface hydrographic survey:
General hydrology chi adopts cement, mortar, paint etc. to whitewash at certain building surface, then water level, elevation scale is painted and scribble its surface.But there is the defect of the following aspects: (1) water level, elevation scale are difficult to ensure foster, the maintenance of water level, elevation scale need be carried out throughout the year, its Presentation Function could be maintained; (2) water level, elevation scale construction trouble, be particularly coated with and be drawn on sluice or concrete column, it need repeatedly be scribbled, and could show water level, elevation scale; (3) water level, elevation scale are weather-proof, soda acid is strong, and do not have splitting, and fugitive color comes off.
2, the measurement of underground water table:
General subsurface water measurement adopts underground water table to survey the mode of cup, electrical contact suspended type water gauge or float-type underground level gauge.But there is the defect of the following aspects: (1), owing to judging that surveying the cup contact water surface can produce error, the length of lining rope also exists error simultaneously, and water level observation can not be very accurate.(2) electrical contact suspended type water gauge is made up of instruments such as water level plummet, survey chi, contact watersurface detector (sound equipment, light, pointer), survey chi folding and unfolding dishes, and this kind of apparatus structure is more complicated, and movable member is more, poor reliability, and level measuring error is also larger.(3) float-type underground level gauge generally can work in the well logging pipe of 10cm bore, some can be contained in the interior work of well of 5cm bore, the diameter of water level wheel, float, balance bob is all very little, the sensitivity of little float induction SEA LEVEL VARIATION is poor, bury of groundwater is larger simultaneously, suspension cable is long, also affects water level induction sensitivity.
Summary of the invention
The technical problem to be solved in the present invention overcomes the deficiency that prior art exists, and provides that a kind of structure is simple, measuring accuracy is high, accuracy, reliability, productionization extent are high, easy to use remote gauged rainfall gaging station.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of remote gauged rainfall gaging station, comprise the base bucket from top to bottom connected successively, master-control room and power supply room, the rainfall measuring device for measuring the amount of rainfall is equiped with in described base bucket and master-control room, described rainfall measuring device comprises the rain container being installed in base bucket top open part, the below of described rain container outlet at bottom is equiped with the rain receiver for storing rainwater, the bottom of described rain receiver is provided with discharge line, the endpiece of discharge line is connected with exhauster, horizontally disposed flow measurement conduit is provided with in described master-control room, described exhauster is connected with the entrance point of described flow measurement conduit by rainwater conduit, described flow measurement conduit is provided with vertical exhauster and micro-flow meter successively along rainwater flow direction, the endpiece of described flow measurement conduit is connected with the run-down pipe exporting and be positioned at above flow measurement conduit, described remote gauged rainfall gaging station also comprises the quantitative Exhaust assembly for quantitatively being discharged by the rainwater in rain receiver.
As a further improvement on the present invention:
Described quantitative Exhaust assembly comprising the electromagnetism on-off valve be installed on discharge line, being installed in the float switch in rain receiver and the relay for controlling electromagnetism on-off valve break-make, and described float switch is connected with relay and pilot relay work.
Described rain receiver is bucket tapered bottom.
Described exhauster is a container with closed inner chamber, the top of described closed inner chamber is communicated with discharge line, the bottom of described closed inner chamber is tapered and be communicated with rainwater conduit, position near top on the sidewall of described container is provided with the gas outlet be communicated with closed inner chamber, and the exhausr port of described gas outlet is positioned at the top of container.
Described run-down pipe is a L-type pipe, and described L-type pipe comprises horizontal segment and vertical section, and described horizontal segment is connected with flow measurement conduit, and described vertical section is vertically arranged upward; Described vertical section is covered with one for rainwater being derived the derivation cover of master-control room outside.
The vertical filter mantle be located at outside outlet at bottom is equiped with in described rain container.
Described rain container outlet at bottom end is connected with derivation pipe box, is equiped with filtering element in described derivation pipe box, and described filtering element comprises cylindrical shell and is located at the filter screen in cylindrical shell, and described barrel jacket is located at derives in pipe box and be connected with the inner thread of deriving pipe box.
Described vertical exhauster comprises the housing with exhaust inner chamber and the ball float be installed in exhaust inner chamber, described housing is provided with and the water inlet and the water delivering orifice that are vented inner space, the top of described housing is provided with vent port, and the size of described vent port is less than the size of ball float.
The below of described power supply room is provided with water level acquisition room, described water level acquisition indoor are equiped with the level measurement device for measuring underground water table, the waterproof shield telecommunication cable that described level measurement device comprises metering straight tube, pressure water-level gauge and is connected with pressure water-level gauge, described metering straight tube is connected to the bottom of power supply room, and described pressure water-level gauge is installed in metering straight tube.
Described power supply room comprises and is fixed in cylinder seat bottom master-control room and middle part and is fixed in base plate bottom cylinder seat, described base plate is provided with installed cassette, storage battery is equiped with in installed cassette, the edge that described base plate is positioned at cylinder seat surrounding is provided with the foundation bolt hole of multiple uniform layout, and the position near bottom on described cylinder seat sidewall is provided with osculum.
In the present invention, in master-control room, data acquisition unit is installed, for the collection of rainfall amount and waterlevel data, reception, transmission, transmitting, micro-flow meter is connected with data acquisition unit with waterproof shield telecommunication cable, master-control room outside is provided with emitting antenna, data acquisition unit data send wire and are connected with the emitting antenna outside master-control room, the rainfall metering of remote gauged rainfall gaging station collection, waterlevel data can be sent to staff and specify on instrument or display; In power supply room, storage battery is installed, storage battery by wire connect float switch, electromagnetism on-off valve, relay, micro-flow meter, data acquisition unit and solar panel coupling be connected, in order to guarantee normal power supply.Meanwhile, the power lead of float switch, electromagnetism on-off valve, relay, micro-flow meter, data acquisition unit matches connection.
In the present invention, the side of master-control room is provided with opening, a rectangular baffle plate is equiped with in master-control room, baffle plate is arranged on the deck of master-control room by screw, rainfall measuring device is installed in the rear of baffle plate, data acquisition unit 25 and power switch thereof are screwed the front being arranged on baffle plate, and power switch to be mated with the power supply in power supply room by wire and is connected.Meanwhile, the explanation of remote gauged rainfall gaging station points for attention is also pasted in the front of baffle plate.The opening of master-control room is provided with openable exterior window, and exterior window adopts waterproofing design, and exterior window is hinged on the side of master-control room opening, and is provided with lockset on exterior window, guarantees the safety of remote gauged rainfall gaging station, is also convenient to inspect by instrument, maintenance.
In the present invention, emitting antenna is arranged on the right side at master-control room top by antenna pad; Solar panel is arranged on the left side at master-control room top, edge's welding cell panel base in master-control room outside, this cell panel base can adopt hinge-type to design, on the lateral wall of base bucket, welding is by platform, adopt the corrosion resistant plate identical with base bucket external diameter radian to make by platform to design, solar panel supports and is arranged on cell panel base and offsets with by platform.
In the present invention, master-control room bottom panel is equiped with the Pipeline stand of two difference fixed weir pipes and rainwater conduit, two Pipeline stands require to weld in the fixed position of master-control room bottom panel center line, be conducive to regulating and controlling the level height of flow measurement conduit, guarantee that the metering of micro-flow meter meets measuring requirement.
In the present invention, for guaranteeing degree of accuracy and the stability of remote gauged rainfall gaging station Monitoring Data, need ensure that the center of circle center line of rain container, rain receiver, float switch, electromagnetism on-off valve, exhauster, rainwater conduit, Pipeline stand, flow measurement conduit, vertical exhauster, micro-flow meter, run-down pipe requires at the mutual Matching installation of same surface level.
In the present invention, each pipeline can mounted valve, and the detection of dynamic for correlative flow controls.
In the present invention, the ball float of float switch, electromagnetism on-off valve, relay, micro-flow meter, data acquisition unit, solar panel, storage battery, power switch, wire all adopt the auxiliary products matched.Base bucket, master-control room, power supply room, rain container, rain receiver, exhauster, band silk are direct, rainwater conduit, vertical exhauster, Pipeline stand, run-down pipe, derivation cover, cell panel base, Kao Tai, installed cassette, baffle plate and exterior window all can adopt stainless steel manufacture, and the miscellaneous part of remote gauged rainfall gaging station can adopt plastics manufacture.Each stainless steel product according to designing requirement and with outsourcing piece Matching installation, require to make rainwater to overflow each belled position before run-down pipe and, without overflow, infiltration phenomenon, guarantee that remote gauged rainfall gaging station measurement data is safe, accurate and effective from receiving rainwater.
Compared with prior art, the invention has the advantages that: the measuring accuracy of remote gauged rainfall gaging station of the present invention is high, accuracy, reliability, productionization extent are high, and structure is simple, easy to use, be easy to maintenance, can produce on a large scale, installation is easy, be not vulnerable to outside exergy dissipation bad, guard without the need to personnel.And this structure possesses automatic telemetry mechanism, and rainfall cumulative amount, water-level measuring information are sent on instrument and meter that Related Work personnel specify.It adopts modular design, by the relevant matches of components and parts, can meet the feature of the need of work of each department, can the competent authorities such as widespread use water conservancy, agricultural, military affairs, education, scientific research, meteorology.Compared to existing remote gauged rainfall gaging station, its maximum feature is that measuring accuracy is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of remote gauged rainfall gaging station of the present invention.
Fig. 2 is the sectional structure schematic diagram of remote gauged rainfall gaging station of the present invention.
Fig. 3 is the structural representation after exterior window and baffle plate are removed by remote gauged rainfall gaging station of the present invention.
Fig. 4 is that in remote gauged rainfall gaging station of the present invention, data acquisition unit is arranged on the structural representation on baffle plate.
Fig. 5 is the sectional structure schematic diagram of vertical exhauster in remote gauged rainfall gaging station of the present invention.
Marginal data:
1, base bucket; 2, master-control room; 3, rain container; 4, rain receiver; 41, discharge line; 5, exhauster; 51, gas outlet; 6, flow measurement conduit; 7, rainwater conduit; 8, vertical exhauster; 81, housing; 82, inner chamber is vented; 83, ball float; 84, water inlet; 85, water delivering orifice; 86, vent port; 9, micro-flow meter; 10, run-down pipe; 11, electromagnetism on-off valve; 12, float switch; 13, relay; 14, cover is derived; 15, vertical filter mantle; 16, pipe box is derived; 17, filtering element; 18, water level acquisition room; 19, straight tube is measured; 20, pressure water-level gauge; 21, waterproof shield telecommunication cable; 22, installed cassette; 23, storage battery; 24, power supply room; 241, cylinder seat; 2411, osculum; 242, base plate; 25, data acquisition unit; 251, power switch; 26, emitting antenna; 27, solar panel; 28, baffle plate; 29, fixed strip; 30, points for attention care label; 31, exterior window; 32, lockset; 33, cell panel base; 34, Kao Tai; 35, Pipeline stand.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As depicted in figs. 1 and 2, remote gauged rainfall gaging station of the present invention, comprises the base bucket 1, master-control room 2 and the power supply room 24 that from top to bottom weld arrangement successively, and base bucket 1 is a stainless steel cylinder, the component collecting rainfall is installed in it, for metering rainfall amount safe, accurately provide the most basic guarantee.It is master-control room 2 bottom base bucket 1, base bucket 1 is socketed in master-control room 2 upper center position and installs and be welded and fixed, master-control room 2 is a rectangle cavity type body structure, the component of rainfall amount and waterlevel data collection, reception, transmission, transmitting is installed in master-control room 2, source of welding current room, master-control room 2 lower central position 24, power supply room 24 is stainless steel cylinders that a diameter is identical with base bucket 1 diameter.Power supply room 24 comprises stainless cylinder seat 241 and base plate 242, base plate 242 is the corrosion resistant plate of a circle, it is as the bottom panel of power supply room 24, the thickness of base plate 242 is determined according to the installing environmental conditions of remote gauged rainfall gaging station, the upper end of cylinder seat 241 is welded on bottom master-control room 2, the lower end of cylinder seat 241 is welded on the center of base plate 242, the edge that base plate 242 is positioned at cylinder seat 241 outside is provided with three foundation bolt holes, be beneficial to and adopt foundation bolt that remote gauged rainfall gaging station is fixed on engineering unit assigned address, three foundation bolt holes are along the uniform layout of circumference of base plate 242.Position near bottom on cylinder seat 241 sidewall is provided with osculum 2411.Base plate 242 is provided with installed cassette 22, is fixedly equiped with storage battery 23 in installed cassette 22, and the normal work that storage battery 23 is parts each in remote gauged rainfall gaging station provides the effective guarantee of power supply.
The rainfall measuring device for measuring the amount of rainfall is equiped with in base bucket 1 and master-control room 2, rainfall measuring device comprises the rain container 3 being installed in base bucket 1 top open part, the below of rain container 3 outlet at bottom is equiped with the rain receiver 4 for storing rainwater, the bottom of rain receiver 4 is provided with discharge line 41, the endpiece of discharge line 41 is connected with exhauster 5, horizontally disposed flow measurement conduit 6 is provided with in master-control room 2, exhauster 5 is connected with the entrance point of flow measurement conduit 6 by rainwater conduit 7, flow measurement conduit 6 is provided with vertical exhauster 8 and micro-flow meter 9 successively along rainwater flow direction, the endpiece of flow measurement conduit 6 is connected with the run-down pipe 10 exporting and be positioned at above flow measurement conduit 6, remote gauged rainfall gaging station also comprises the quantitative Exhaust assembly for quantitatively being discharged by the rainwater in rain receiver 4.
Quantitative Exhaust assembly comprising the electromagnetism on-off valve 11 be installed on discharge line 41, being installed in the float switch 12 in rain receiver 4 and the relay 13 for controlling electromagnetism on-off valve 11 break-make, and float switch 12 is connected with relay 13 and pilot relay 13 works.The installation site of float switch 12 is measured according to the design of remote gauged rainfall gaging station and is required to arrange, when rain receiver 4 middle water level rises to the maximum height of setting, the ball float of float switch 12 rises, float switch 12 pilot relay 13 makes electromagnetism on-off valve 11 open, and is put into by the Water in Rainwater Drainage in rain receiver 4 in exhauster 5; Rain receiver 4 middle water level declines with the discharge of rainwater, the ball float of float switch 12 also declines with the decline of water level, when rain receiver 4 middle water level drops to the minimum altitude of setting, float switch 12 pilot relay 13 works, float switch 12 pilot relay 13 makes electromagnetism on-off valve 11 cut out, rain receiver 4 is made to stop discharge rainwater, until rain receiver 4 middle water level reaches the maximum height of setting again, float switch 12 pilot relay 13 makes electromagnetism on-off valve 11 open again, so repeatedly, namely realize the rainwater in rain receiver 4 quantitatively to discharge.Because rain receiver 4 is quantitatively discharged by rainwater, not only can reduce the air entering micro-flow meter 9, and be beneficial to the measuring accuracy improving micro-flow meter 9, ensure the precisely reliable of metering.
Above-mentioned rain container 3 is the rain container 3 of national standard, and rain container 3 is sheathed is arranged on base bucket 1 top open part, and its upper shed external diameter and base bucket 1 internal diameter match and be socketed, and the cone end of rain container 3 is installed down in base bucket 1.Vertical filter mantle 15 is installed in rain container 3, vertical filter mantle 15 is located at outlet at bottom place, it is the netted structure of cylinder under an epicone body, open type, in the rain receiver 4 that can prevent other impurity such as dirt, leaf, insect from invading in base bucket 1, avoid clogging and affect follow-up metering; Vertical filter mantle 15 is adopted to be conducive to, by comparatively heavy rainfall, being also conducive to the cleaning of vertical filter mantle 15.
Rain container 3 outlet at bottom end is connected with derives pipe box 16, and derive the bottom outside that pipe box 16 is adhesively fixed on rain container 3 taper, deriving pipe box 16 is a cylinder, and its inside and outside wall is equipped with screw thread.Derive in pipe box 16 and be equiped with filtering element 17, filtering element 17 comprises cylindrical shell and is located at the filter screen in cylindrical shell, the outer wall of cylindrical shell is provided with screw thread, it is set in derives in pipe box 16 and is connected with the threaded engagement deriving pipe box 16 inwall, filter mantle 15 vertical in rain container 3 effectively can be left over impurity and retain by this filtering element 17, prevents impurity from entering in rain receiver 4, further increases the filter effect of rainwater, and adopt dismountable being threaded, be convenient to installation and removal cleaning.
Rain receiver 4 is bucket tapered bottom, specifically tapered under upper drum stainless steel structure, the sidewall of rain receiver 4 is installed the mounting base of float switch 12, rain receiver 4 bottom centre place's design screw hole is also connected with discharge line 41, it is direct that discharge line 41 comprises two band silks, one of them band direct upper end of silk and screw hole are connected, lower end connects electromagnetism on-off valve 11, electromagnetism on-off valve 11 inlet opening is installed upward, apopore is installed down, another band direct upper end of silk is socketed in electromagnetism on-off valve 11 apopore, lower end connects exhauster 5, the direct outer wall cover of band silk has a mounting seat, relay 13 is installed in this mounting seat.Exhauster 5 is a container with closed inner chamber, the top sidewall of exhauster 5 is connected with the direct threaded engagement of band silk, the top of closed inner chamber is cylindrical, bottom is tapered, top and the discharge line 41(of closed inner chamber are with silk direct) be communicated with, the bottom of closed inner chamber is communicated with rainwater conduit 7, position near top on the sidewall of container is provided with the gas outlet 51 be communicated with closed inner chamber, the exhausr port of gas outlet 51 is positioned at the top of container, when rainwater enters exhauster 5, gas outlet 51 can effectively by himself, electromagnetism on-off valve 11 and the air in being with silk directly discharge exhauster 5, guarantee rainwater full packages, rainwater conduit 7 is flowed into without gas, place of the bottom centre design screw hole of exhauster 5, rainwater conduit 7 is socketed in screw hole, guarantee rainwater full packages, rainwater conduit 7 is flowed into without gas.
Rainwater conduit 7 comprises the row's rain straight catheter connected successively and turns to conduit with row's rain, row's rain straight catheter is positioned at base bucket 1, row's rain turns to conduit to be positioned at master-control room 2, row's rain turns to the end of conduit to bend and is diverted to parallel with master-control room 2 bottom panel (namely horizontally disposed), master-control room 2 bottom panel is equiped with Pipeline stand 35, and Pipeline stand 35 balances the end that fixing row's rain turns to conduit parallel with master-control room 2 bottom panel.Vertical exhauster 8 row of being connected to rain turns between the end of conduit and the entrance point of flow measurement conduit 6, and the air in rainwater can be discharged by vertical exhauster 8, guarantees rainwater full packages, flows into the micro-flow meter 9 be positioned on rear side of it without gas.
Flow measurement conduit 6 comprises dummy pipe and rear tube, and wherein, dummy pipe is connected between vertical exhauster 8 and micro-flow meter 9, and rear tube is connected between micro-flow meter 9 and run-down pipe 10.Run-down pipe 10 is a L-type pipe, L-type pipe comprises horizontal segment and vertical section, horizontal segment is connected with flow measurement conduit 6, vertical section is vertically arranged upward, rainwater water level in flow measurement conduit 6 can be raised by run-down pipe 10, to make the bubble in flow measurement conduit 6 effectively can get rid of in vertical exhauster 8, thus meet the measurement requirement of micro-flow meter 9, ensure measuring accuracy.Master-control room 2 bottom panel is equiped with another Pipeline stand 35, is used for balance fixing horizontal section, this Pipeline stand 35 with fixedly turn to the Pipeline stand 35 of catheter tip to remain on a center line to install.The vertical section of run-down pipe 10 is covered with one for rainwater being derived the derivation cover 14 of master-control room 2 outside, derive the cylinder that cover 14 is an one end open, one end is closed, the openend of this cylinder passes from master-control room 2 bottom panel, the rainwater overflowed can be derived outside master-control room 2 from run-down pipe 10.
In the present embodiment, as shown in Figure 5, vertical exhauster 8 comprises the housing 81 with exhaust inner chamber 82 and the ball float 83 be installed in exhaust inner chamber 82, housing 81 is provided with and is vented the water inlet 84 and water delivering orifice 85 that inner chamber 82 is communicated with, the top of housing 81 is provided with vent port 86, and the size of vent port 86 is less than the size of ball float 83, simultaneously, in exhaust inner chamber 82, be provided with block above water inlet 84 and water delivering orifice 85, block can prevent ball float 83 from dropping to bottom exhaust inner chamber 82.After the rainwater water level in flow measurement conduit 6 is raised by run-down pipe 10, water level in exhaust inner chamber 82 is higher than the water level in flow measurement conduit 6, air in rainwater can enter the top of exhaust inner chamber 82, and discharged by vent port 86, when being vented the water level in inner chamber 82 and being too high, ball float 83 rises and to be blocked by vent port 86, avoids rainwater to discharge from vent port 86.The structure of this vertical exhauster 8 is simple, be quick on the draw, good exhaust effect, and can not cause rain water runoff and affect measuring accuracy, safe and reliable.
In the present embodiment, the below of power supply room 24 is also provided with water level acquisition room 18, the component of waterlevel data collection, reception, transmission is installed in water level acquisition room 18, the level measurement device for measuring underground water table is equiped with in it, the waterproof shield telecommunication cable 21 that level measurement device comprises metering straight tube 19, pressure water-level gauge 20 and is connected with pressure water-level gauge 20, metering straight tube 19 is connected to the bottom of power supply room 24, and pressure water-level gauge 20 is installed in metering straight tube 19.Wherein, metering straight tube 19 adopts plastic material, and its upper end is connected on the base plate 242 of power supply room 24, and the diameter of this metering straight tube 19, thickness and length are determined because engineering unit need measure height of water level.Waterproof shield telecommunication cable 21 adopts prior art, has oil resistant, waterproof, wear-resisting, acid and alkali-resistance and various corrosive gas, ageing-resistant, the excellent properties such as do not burn.Pressure water-level gauge 20 adopts diameter about 30 millimeters, 304 stainless-steel tubes that length is about 300 millimeters, the waterlevel data collection of setting pressure water-level gauge 20 in it, conversion and transfer element.Waterproof shield telecommunication cable 21 matches with the waterlevel data of pressure water-level gauge 20 and is tightly connected, and the top of pressure water-level gauge 20, bottom all adopt high-strength nylon material to seal, and can protect the safety of waterproof shield telecommunication cable 21 and inner member thereof.
After remote gauged rainfall gaging station has set up water level acquisition room 18 and level measurement device, can carry out the measurement of water level further, meet the related needs of all departments, and its installation is arranged conveniently, measuring accuracy is high.
In the present embodiment, be provided with data acquisition unit 25 in master-control room 2, for the collection of rainfall amount and waterlevel data, reception, transmission, transmitting, micro-flow meter 9 is connected with data acquisition unit 25 with waterproof shield telecommunication cable 21; Master-control room 2 outside is provided with emitting antenna 26, and data acquisition unit 25 data send wire and are connected with the emitting antenna 26 outside master-control room 2, the rainfall metering of remote gauged rainfall gaging station collection, waterlevel data can be sent to staff and specify on instrument or display; Master-control room 2 outside is also provided with solar panel 27.Be provided with storage battery 23 in power supply room 24, storage battery 23 is connected, in order to guarantee normal power supply by wire connection float switch 12, electromagnetism on-off valve 11, relay 13, micro-flow meter 9, data acquisition unit 25 and solar panel 27 coupling.Meanwhile, the power lead of float switch 12, electromagnetism on-off valve 11, relay 13, micro-flow meter 9, data acquisition unit 25 matches connection.
In the present embodiment, as shown in Figure 3 and Figure 4, the side of master-control room 2 is provided with opening, a rectangular baffle plate 28 is equiped with in master-control room 2, baffle plate 28 is arranged on the fixed strip 29 in master-control room 2 by screw, the parts of rainfall measuring device are positioned at baffle plate 28 rear, and data acquisition unit 25 and power switch 251 thereof are screwed the front being arranged on baffle plate 28, and power switch 251 to be mated with the power supply in data acquisition unit 25 and power supply room 24 by wire and is connected.Meanwhile, the points for attention care label 30 of remote gauged rainfall gaging station is also pasted in the front of baffle plate 28.The opening of master-control room 2 is also provided with openable exterior window 31, and exterior window 31 adopts waterproofing design, and the side of exterior window 31 is hinged on the side of master-control room 2 opening, and is provided with lockset 32 at opposite side, guarantees the safety of remote gauged rainfall gaging station, is also convenient to inspect by instrument, maintenance.
In the present embodiment, emitting antenna 26 is arranged on the right side at master-control room 2 top by antenna pad; Solar panel 27 is arranged on the left side at master-control room 2 top, edge's welding cell panel base 33 in master-control room 2 outside, this cell panel base 33 can adopt hinge-type to design, on the lateral wall of base bucket 1, welding is by platform 34, adopt the corrosion resistant plate identical with base bucket 1 external diameter radian to make by platform 34 to design, solar panel 27 supports and is arranged on cell panel base 33 and offsets with by platform 34.
In the present embodiment, two Pipeline stands 35 require, in the welding of the fixed position of master-control room 2 bottom panel center line, to be conducive to regulating and controlling the level height of flow measurement conduit 6, to guarantee that the metering of micro-flow meter 9 meets measuring requirement.
In the present embodiment, for guaranteeing degree of accuracy and the stability of remote gauged rainfall gaging station Monitoring Data, need ensure that the center of circle center line of rain container 3, rain receiver 4, float switch 12, electromagnetism on-off valve 11, exhauster 5, rainwater conduit 7, Pipeline stand 35, flow measurement conduit 6, vertical exhauster 8, micro-flow meter 9, run-down pipe 10 requires at the mutual Matching installation of same surface level.
In the present embodiment, each pipeline can mounted valve, and the detection of dynamic for correlative flow controls.
In the present embodiment, the ball float of float switch 12, electromagnetism on-off valve 11, relay 13, micro-flow meter 9, data acquisition unit 25, solar panel 27, storage battery 23, power switch 251, wire all adopt the auxiliary products matched.Base bucket 1, master-control room 2, power supply room 24, rain container 3, rain receiver 4, exhauster 5, band silk directly, rainwater conduit 7, vertical exhauster 8, Pipeline stand 35, run-down pipe 10, derive cover 14, cell panel base 33, all can adopt stainless steel manufacture by platform 34, installed cassette 22, baffle plate 28 and exterior window 31, the miscellaneous part of remote gauged rainfall gaging station can adopt plastics manufacture.Each stainless steel product according to designing requirement and with outsourcing piece Matching installation, require to make rainwater to overflow each belled position before run-down pipe 10 and, without overflow, infiltration phenomenon, guarantee that remote gauged rainfall gaging station measurement data is safe, accurate and effective from receiving rainwater.
Concrete operation step of the present invention and principle thereof are: remote gauged rainfall gaging station install after, power switch 251 is opened, remote gauged rainfall gaging station be in be measured, metering, send data mode.
When rainy, rainwater enters rain container 3, rainwater is after the vertical filter mantle 15 in rain container 3, derivation pipe box 16 again bottom rain container 3 and filtering element 17 enter rain receiver 4, after rainwater arrives rain receiver 4, rain receiver 4 middle water level rises gradually, the ball float of float switch 12 in rain receiver 4 is risen gradually by the rising of rainwater water level, when ball float rise reach remote gauged rainfall gaging station design measurement require time, ball float will send a switching signal automatically, switching signal is communicated to rapidly electromagnetism on-off valve 11 through relay 13, instantaneous the opening of electromagnetism on-off valve 11 makes rainwater be discharged into exhauster 5 through discharge line 41, rainwater also instantaneous decline in rain receiver 4, while water level decreasing, ball float also declines with the decline of water level, when ball float drop to remote gauged rainfall gaging station design measurement require time, ball float will send a switching signal automatically, switching signal is communicated to rapidly electromagnetism on-off valve 11 through relay 13, electromagnetism on-off valve 11 is by instantaneous closedown.Rainwater enters exhauster 5 after discharging electromagnetism on-off valve 11, and gas outlet 51 road of exhauster 5 is instantaneous by himself, air is discharged in electromagnetism on-off valve 11 and discharge line 41.Rainwater full packages, rainwater conduit 7 is flowed into without gas, rainwater flows into flow measurement conduit 6 through rainwater conduit 7, rainwater enters after flow measurement conduit 6 successively by vertical exhauster 8 and micro-flow meter 9, vertical exhauster 8 is instantaneous by himself, rainwater conduit 7, air during flow measurement conduit 6 is direct with band silk is discharged, rainwater full packages, micro-flow meter 9 is entered without gas flow, micro-flow meter 9 starts rapid collection, metering, accumulative rainfall, rainfall is converted to mould view digital transmission to data acquisition unit 25, rainwater is after micro-flow meter 9 measures, the flow measurement conduit 6 of rainwater on rear side of micro-flow meter 9 overflows from run-down pipe 10, rainwater overflows from run-down pipe 10 and is expelled to master-control room 2 outside by derivation cover 14 after rolling, thus according to design metering rainfall amount, micro-flow meter 9 has required that this single storm measures.Meanwhile, remote gauged rainfall gaging station power supply opening, pressure water-level gauge 20 starts the hydrostatic force measuring below the water surface certain a bit (installation site of pressure water-level gauge 20), then obtains the height of the above water level of this measurement point according to the density conversion of water body, thus obtains water level.Instrument automatically gathers by setting-up time interval, stores waterlevel data.Waterlevel data is transferred to the master-control room 2 of remote gauged rainfall gaging station by the waterlevel data of its storage by waterproof shield telecommunication cable 21.The data of data acquisition unit 25 send wire and are connected with the non-scanning antenna be located at outside master-control room 2, by monitoring rainfall, water level information safety, send accurately and efficiently, be transferred to the receiving platform that the competent authorities such as water conservancy, agricultural, military affairs, education, scientific research, meteorology specify, be conducive to its analysis for rainfall, waterlevel data, make decision scheme correctly, effectively and reasonably.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is also not only confined to above-described embodiment.For those skilled in the art, do not departing from the improvement that obtains under the technology of the present invention concept thereof and conversion also should be considered as protection scope of the present invention.
Claims (10)
1. a remote gauged rainfall gaging station, comprise the base bucket (1) from top to bottom connected successively, master-control room (2) and power supply room (24), the rainfall measuring device for measuring the amount of rainfall is equiped with in described base bucket (1) and master-control room (2), it is characterized in that: described rainfall measuring device comprises the rain container (3) being installed in base bucket (1) top open part, the below of described rain container (3) outlet at bottom is equiped with the rain receiver (4) for storing rainwater, the bottom of described rain receiver (4) is provided with discharge line (41), the endpiece of discharge line (41) is connected with exhauster (5), horizontally disposed flow measurement conduit (6) is provided with in described master-control room (2), described exhauster (5) is connected by the entrance point of rainwater conduit (7) with described flow measurement conduit (6), described flow measurement conduit (6) is provided with vertical exhauster (8) and micro-flow meter (9) successively along rainwater flow direction, the endpiece of described flow measurement conduit (6) is connected with the run-down pipe (10) that outlet is positioned at flow measurement conduit (6) top, described remote gauged rainfall gaging station also comprises the quantitative Exhaust assembly for quantitatively being discharged by the rainwater in rain receiver (4).
2. remote gauged rainfall gaging station according to claim 1, it is characterized in that: described quantitative Exhaust assembly comprising the electromagnetism on-off valve (11) be installed on discharge line (41), being installed in the float switch (12) in rain receiver (4) and the relay (13) for controlling electromagnetism on-off valve (11) break-make, described float switch (12) is connected with relay (13) and pilot relay (13) works.
3. remote gauged rainfall gaging station according to claim 1, is characterized in that: described rain receiver (4) is bucket tapered bottom.
4. remote gauged rainfall gaging station according to claim 1, it is characterized in that: described exhauster (5) is a container with closed inner chamber, the top of described closed inner chamber is communicated with discharge line (41), the bottom of described closed inner chamber is tapered and be communicated with rainwater conduit (7), position near top on the sidewall of described container is provided with the gas outlet (51) be communicated with closed inner chamber, and the exhausr port of described gas outlet (51) is positioned at the top of container.
5. remote gauged rainfall gaging station according to claim 1, is characterized in that: described run-down pipe (10) is a L-type pipe, and described L-type pipe comprises horizontal segment and vertical section, and described horizontal segment is connected with flow measurement conduit (6), and described vertical section is vertically arranged upward; Described vertical section is covered with one for rainwater being derived the outside derivation cover (14) of master-control room (2).
6. remote gauged rainfall gaging station according to claim 1, is characterized in that: be equiped with the vertical filter mantle (15) be located at outside outlet at bottom in described rain container (3).
7. remote gauged rainfall gaging station according to claim 1, it is characterized in that: described rain container (3) outlet at bottom end is connected with derives pipe box (16), filtering element (17) is equiped with in described derivation pipe box (16), described filtering element (17) comprises cylindrical shell and is located at the filter screen in cylindrical shell, and described barrel jacket is located at derives in pipe box (16) and be connected with the inner thread of deriving pipe box (16); Described rain receiver (4) is threadedly connected to derives on pipe box (16).
8. remote gauged rainfall gaging station according to claim 1, it is characterized in that: described vertical exhauster (8) comprises the housing (81) with exhaust inner chamber (82) and the ball float (83) be installed in exhaust inner chamber (82), described housing (81) is provided with and is vented the water inlet (84) and water delivering orifice (85) that inner chamber (82) is communicated with, the top of described housing (81) is provided with vent port (86), and the size of described vent port (86) is less than the size of ball float (83).
9. remote gauged rainfall gaging station according to any one of claim 1 to 8, it is characterized in that: the below of described power supply room (24) is provided with water level acquisition room (18), the level measurement device for measuring underground water table is equiped with in described water level acquisition room (18), described level measurement device comprises metering straight tube (19), pressure water-level gauge (20) and the waterproof shield telecommunication cable (21) be connected with pressure water-level gauge (20), described metering straight tube (19) is connected to the bottom of power supply room (24), described pressure water-level gauge (20) is installed in metering straight tube (19).
10. remote gauged rainfall gaging station according to claim 1, it is characterized in that: described power supply room (24) comprise be fixed in master-control room (2) bottom cylinder seat (241) and middle part be fixed in cylinder seat (241) bottom base plate (242), described base plate (242) is provided with installed cassette (22), storage battery (23) is equiped with in installed cassette (22), the edge that described base plate (242) is positioned at cylinder seat (241) surrounding is provided with the foundation bolt hole of multiple uniform layout, position near bottom on described cylinder seat (241) sidewall is provided with osculum (2411).
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