CN214252631U

CN214252631U - Skip bucket type rain gauge capable of reducing error

Info

Publication number: CN214252631U
Application number: CN202120431186.1U
Authority: CN
Inventors: 杨垒; 张朝; 周在伟; 丁旭鲁
Original assignee: Shandong Renke Measurement And Control Technology Co ltd
Current assignee: Shandong Renke Measurement And Control Technology Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-09-21
Anticipated expiration: 2031-02-25

Abstract

The utility model provides a reduce tipping bucket formula rain gauge of error, relates to machinery, and including a caliber base, install the caliber casing on the caliber base, install rain collector on the caliber casing, be equipped with the mount under the rain collector, the mount both sides all are equipped with the water catch bowl, install the guiding gutter on the mount, be equipped with the electro-magnet on the caliber base, the guiding gutter can accomplish the upset rapidly under the electro-magnet effect. The utility model discloses when one side tipping bucket reaches predetermined water yield and begins the upset, the electro-magnet of single chip chance control tipping bucket opposite side below is in operating condition, and the electro-magnet can produce the appeal to the tipping bucket opposite side, can accelerate the upset time of tipping bucket, consequently connects under the unchangeable condition of rain funnel water injection volume to the tipping bucket in the top, the time quantum of tipping bucket upset is shorter more, and above-mentioned error triangle W is just littleer, consequently accelerates the measuring accuracy of tipping bucket upset speed can very high tradition tipping bucket formula rain gauge greatly.

Description

Skip bucket type rain gauge capable of reducing error

Technical Field

The utility model belongs to the technical field of machinery and specifically relates to a reduce tipping bucket formula rain gauge of error.

Background

At present, the rain gauges on the market are various in types, and include a weighing type rain gauge, a siphon type rain gauge, a tipping bucket type rain gauge and the like. The common tipping bucket type rain gauge usually comprises a funnel and a water bearing device with a tipping bucket, rainwater continuously enters the water bearing device from the uppermost water bearing port, the water quantity in the tipping bucket is gradually increased until the tipping bucket loses balance and turns over, a switch is switched on by each turning over, a pulse signal is transmitted to a recorder, and therefore the accumulated rainfall is calculated.

The working process of the device is a process dynamically changing along with time, rainwater enters a funnel at the lower end from a rainwater collector through a filter and then flows into a lower tipping bucket from a funnel opening, a vertical baffle is arranged in the middle of the tipping bucket, the tipping bucket is divided into a left working cavity and a right working cavity by the vertical baffle, when the rainwater quantity reaches a specified sensing quantity of the left tipping bucket, the tipping bucket overturns to discharge the rainwater in the left tipping bucket, so that the once measurement of the rainwater quantity is completed, and meanwhile, the right tipping bucket starts to work. In the process that the tipping bucket on one side of the tipping bucket type rain gauge reaches the sensing quantity and begins to turn over until the tipping bucket finishes turning over, a part of precipitation still falls in the tipping bucket reaching the sensing quantity, and the part of water quantity cannot be measured, so that a measurement error is generated, and the larger the precipitation intensity is, the larger the precipitation measurement error is.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned among the prior art, the utility model provides a reduce tipping bucket formula rain gauge of error can avoid the emergence of above-mentioned problem.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a reduce tipping bucket formula rain gauge of error, includes a caliber base, install the caliber casing on the caliber base, install rain collector on the caliber casing, be equipped with the mount under the rain collector, the mount both sides all are equipped with the water catch bowl, install the guiding gutter on the mount, be equipped with the electro-magnet on the caliber base, the guiding gutter can accomplish the upset rapidly under the electro-magnet effect.

Furthermore, an inner plate is in sliding fit with the base of the measurer, an adjusting knob is in threaded connection with the base of the measurer, the inner plate can move along the base of the measurer and can be positioned at one position on the base of the measurer through the adjusting knob, mounting plates are respectively arranged on two sides of the base of the measurer, jacks are arranged on the mounting plates, and the inner plate is inserted into the jacks.

Furthermore, the guiding gutter includes a pivot, install the pivot on the mount, it is connected with the water conservancy diversion bottom plate to rotate in the pivot, water conservancy diversion bottom plate both sides respectively are equipped with a water conservancy diversion curb plate, water conservancy diversion bottom plate middle part is equipped with a median septum.

Furthermore, two permanent magnets are arranged at the bottom of the diversion bottom plate, and an electromagnet corresponds to the position under each permanent magnet.

Furthermore, the rain collector comprises a water bearing device, a filter is arranged at a water outlet of the water bearing device, a funnel is mounted on the fixing frame, and the funnel is located under the filter.

Further, a stud is arranged on the base of the measurer, an electromagnet is arranged at the top of the stud, a lower fastening nut and an upper fastening nut are connected to the stud in a threaded manner, and the lower fastening nut and the upper fastening nut are respectively arranged on two sides of the base of the measurer.

Furthermore, a level gauge is installed on the base of the measurer.

Furthermore, a plurality of supporting legs are arranged on the base of the measurer.

Further, the supporting legs comprise an outer tube, an inner rod and a fastening knob, wherein the outer tube is fixedly connected to the bottom of the base of the measurer, and the fastening knob enables the inner rod to move along the outer tube and be positioned at one position on the outer tube.

The utility model has the advantages that: the utility model discloses when one side tipping bucket reaches predetermined water yield and begins the upset, the electro-magnet of single chip chance control tipping bucket opposite side below is in operating condition, and the electro-magnet can produce the appeal to the tipping bucket opposite side, can accelerate the upset time of tipping bucket, consequently connects under the unchangeable condition of rain funnel water injection volume to the tipping bucket in the top, the time quantum of tipping bucket upset is shorter more, and above-mentioned error triangle W is just littleer, consequently accelerates the measuring accuracy of tipping bucket upset speed can very high tradition tipping bucket formula rain gauge greatly.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the present invention with the outer baffle removed;

FIG. 3 is a front view of the present invention with the outer baffle removed;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a third embodiment of the present invention;

FIG. 6 is a schematic view of the filter construction;

fig. 7 is a schematic three-dimensional structure of a flow guide groove;

FIG. 8 is an enlarged view of a portion of FIG. 4 at A;

in the figure: the device comprises a base of a measurer 1, a level meter 11, an inner plate 12, an adjusting knob 13, a mounting plate 14, a jack 15, a supporting leg 2, an outer tube 21, an inner rod 22, a fastening knob 23, a fixing frame 3, a diversion trench 4, a diversion bottom plate 41, a diversion side plate 42, a middle partition plate 43, a rotating shaft 44, a permanent magnet 45, a rain collector 5, a water receiver 51, a filter 52, a funnel 53, a water collection trench 6, an electromagnet 7, a stud 71, a fastening nut 72, a fastening nut 73 and a measurer shell 8.

Detailed Description

As shown in fig. 1 to 8, a tipping bucket rain gauge capable of reducing errors comprises a measuring device base 1, wherein a measuring device shell 8 is installed on the measuring device base, a rain collector 5 is installed on the measuring device shell, a fixing frame 3 is arranged under the rain collector, water collecting grooves 6 are arranged on two sides of the fixing frame, a diversion trench 4 is installed on the fixing frame, an electromagnet 7 is arranged on the measuring device base, and the diversion trench rapidly completes overturning under the action of the electromagnet so that the lower edge of the diversion trench points to the water collecting groove, thereby greatly reducing the overturning time of the diversion trench.

Wherein the guiding groove can be made of ferromagnetic material.

Furthermore, a level gauge 11 is installed on the base of the measuring device, and is used for measuring an inclination angle relative to a horizontal position, flatness and straightness of a guide rail of machine tool equipment, a horizontal position and a vertical position of equipment installation and the like in the machinery industry and instrument manufacturing.

In at least one embodiment, the base of the gauge is provided with a plurality of legs 2.

As shown in fig. 5, the measurer base is slidably fitted with an inner plate 12, and the measurer base is screwed with an adjusting knob 13, which can make the inner plate move along the measurer base and be positioned at one position on the measurer base, and in cooperation with this, two mounting plates 14 are respectively arranged on two sides of the measurer base, and the mounting plates are provided with insertion holes 15, into which the inner plate can be inserted, so that the whole device is suspended.

In at least one embodiment, as shown in fig. 8, the legs include an outer tube 21 fixedly attached to the bottom of the gauge base, an inner rod 22, and a tightening knob 23 that allows the inner rod to be moved along the outer tube and positioned at a point on the outer tube. The supporting leg is a telescopic supporting leg with adjustable height, and the vertical height of the whole equipment can be adjusted.

In at least one embodiment, the diversion trench 4 includes a rotating shaft 44, the rotating shaft is mounted on the fixing frame, a diversion bottom plate 41 is rotatably connected to the rotating shaft, a diversion side plate 42 is respectively arranged on each side of the diversion bottom plate, a middle partition plate 43 is arranged in the middle of the diversion bottom plate, and the middle partition plate divides the diversion trench into two diversion trenches for holding rainwater.

Furthermore, two permanent magnets 45 are arranged at the bottom of the diversion bottom plate, and an electromagnet 7 is respectively corresponding to the positions right below the two permanent magnets. Wherein the permanent magnets therein may be replaced by mating blocks of ferromagnetic material.

In at least one embodiment, as shown in fig. 2, the rain collector includes a water receiver 51, a filter 52 is disposed at the water outlet of the water receiver, and a funnel 53 is mounted on the fixing frame and is located right below the filter.

In at least one embodiment, the electromagnet can be adjusted in height, so that the size of the attraction force of the electromagnet relative to the diversion trench is changed, and the overturning time of the diversion trench is controlled. The measurer base is provided with a stud 71, the top of the stud is provided with an electromagnet 7, the stud is in threaded connection with a lower fastening nut 72 and an upper fastening nut 73, and the lower fastening nut 72 and the upper fastening nut 73 are respectively arranged on two sides of the measurer base.

The operation mode is that the electromagnet is controlled by a single chip microcomputer, when the right side of the diversion trench is in a water collecting state (not overturned), the single chip microcomputer detects the position of the diversion trench, two conductive metal heads A and B and two electromagnets C and D are respectively installed on a pan head below two sides of the tipping bucket, the two conductive metal heads are respectively connected to a 5V power supply with a pull-up resistor, the metal head A and the metal head B, the electromagnet C and the electromagnet D are respectively connected to an I/O port of the single chip microcomputer, and the tipping bucket is grounded;

when the right side of the tipping bucket is in a water collecting state (not turning), the left side of the tipping bucket is in contact with a metal head A below the tipping bucket, the potential of the point A of the metal head is 0V, when the tipping bucket starts to turn, the left side of the tipping bucket can be separated from the metal head A below the tipping bucket, the potential of the point A is changed from 0V to 5V, and the right side is the same;

the single chip microcomputer control module comprises a judging unit and a control unit, wherein the judging unit judges the electric potentials of a metal head A and a metal head B below the two sides of the tipping bucket, the control unit controls the working states of the electromagnet C and the electromagnet D, when the judging unit judges that the electric potential of the metal head A is changed from 0V to 5V, the control unit sends a pulse signal of 1s to the electromagnet D through an I/O port to enable the electromagnet D to be in the working state, at the moment, the electromagnet D generates attraction force on the right side of the tipping bucket to rapidly turn the tipping bucket, the turning time of the tipping bucket is greatly reduced, and similarly, when the judging unit judges that the electric potential of the metal head B is changed from 0V to 5V, the control unit sends a pulse signal of 1s to the electromagnet C through the I/O port to enable the electromagnet C to be in the working state, at the moment, the electromagnet C can generate attraction force on the left side of the tipping bucket, the turning time of the tipping bucket can be greatly reduced, the faster the turning speed of the tipping bucket is under the condition that the water discharge amount of the rain leakage bucket above the tipping bucket is not changed, the smaller the error delta W is, so that the measurement precision of the tipping bucket type rain gauge can be greatly improved, and the single chip microcomputer sends pulse signals to the two electromagnets to enable the corresponding electromagnets to be in a working state or a disconnected state; when the single chip microcomputer detects that the position of the diversion trench deflects, the single chip microcomputer controls the corresponding electromagnet to be in a working state, the electromagnet can generate attraction force on the diversion trench at the moment, the diversion trench can be quickly turned over, the turning time of the diversion trench is greatly reduced, and under the condition that the water quantity of a rain leakage hopper above the diversion trench is not changed, the turning speed is higher, the error delta W caused in the turning process is smaller, so that the measurement accuracy of the rain gauge can be greatly improved;

in addition to the technical features described in the specification, the technology is known to those skilled in the art.

Claims

1. The utility model provides a reduce tipping bucket formula rain gauge of error which characterized in that, includes a caliber base, install the caliber casing on the caliber base, install rain collector on the caliber casing, be equipped with the mount under the rain collector, the mount both sides all are equipped with the water catch bowl, install the guiding gutter on the mount, be equipped with the electro-magnet on the caliber base, the guiding gutter can accomplish the upset rapidly under the electro-magnet effect.

2. The error reducing dump bucket rain gauge of claim 1, wherein the base of the measuring device has an inner plate slidably engaged therein, the base of the measuring device has an adjusting knob screwed thereon, the adjusting knob enables the inner plate to move along the base of the measuring device and to be positioned at one location on the base of the measuring device, and each of the two sides of the base of the measuring device has a mounting plate having a receptacle therein, the inner plate being inserted into the receptacle.

3. The error reducing skip bucket type rain gauge according to claim 1, wherein the diversion trench comprises a rotating shaft, the rotating shaft is installed on the fixing frame, a diversion bottom plate is rotatably connected to the rotating shaft, a diversion side plate is respectively arranged on two sides of the diversion bottom plate, and a middle partition plate is arranged in the middle of the diversion bottom plate.

4. The error reducing dump bucket rain gauge of claim 3, wherein the bottom of the diversion bottom plate is provided with two matching blocks made of ferromagnetic material, and an electromagnet is respectively arranged right below the two matching blocks.

5. The error reducing dump bucket rain gauge of claim 1, wherein said rain collector comprises a water receiver, a filter is disposed at the water outlet of said water receiver, and a funnel is mounted on said fixing frame and is located right below the filter.

6. The error-reducing tipping bucket rain gauge according to claim 4, wherein the base of the gauge is provided with a stud, the top of the stud is provided with an electromagnet, the stud is connected with a lower fastening nut and an upper fastening nut in a threaded manner, and the lower fastening nut and the upper fastening nut are respectively arranged on two sides of the base of the gauge.

7. A reduced-error dump bucket rain gauge as in claim 1 wherein a level is mounted on the gauge base.

8. A reduced-error dump bucket rain gauge as in claim 1 wherein said gauge base is provided with a plurality of legs.

9. The reduced-error dump bucket rain gauge of claim 8, wherein the leg comprises an outer tube fixedly attached to the bottom of the gauge base, an inner rod, and a tightening knob that allows the inner rod to move along the outer tube and be positioned at a location on the outer tube.