CN209979884U

CN209979884U - Outdoor rainwater metering device

Info

Publication number: CN209979884U
Application number: CN201920952118.2U
Authority: CN
Inventors: 姚金平; 黎丛兵; 曾宏勋; 石霞; 龚敏
Original assignee: Shenzhen Tian Yuan Measurement And Testing Ltd By Share Ltd
Current assignee: Shenzhen Tian Yuan Measurement And Testing Ltd By Share Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-01-21
Anticipated expiration: 2029-06-24

Abstract

The utility model provides an outdoor rainwater metering device that uses, this technical scheme adopt the inner skleeve to hold the rainwater, in the inner skleeve, according to liquid level triggering float switch to triggering first automatically controlled valve and opening a period, with the rainwater drainage in the inner skleeve, based on the number of times that float switch was triggered or the number of times that first automatically controlled valve opened, this fixed volume of rainwater accumulation in this inner skleeve when jack-up float switch again according to the liquid level, can calculate promptly and obtain total rainfall. The measuring mechanism has the technical advantages of simple structure and lower installation requirement. Meanwhile, the utility model utilizes the nested conical surface and the sealing plate to block the communication port above the water collecting bucket, and only the lower conical surface and the water collecting bucket form an annular gap for the circulation of rainwater; on the basis, a back-blowing pipe is arranged in the outer sleeve, back blowing is carried out upwards, air flow is blown out along the annular gap at an inclined angle, impurities accumulated at the annular gap can be effectively blown away, and the problem that the impurities fall back after back blowing is basically avoided.

Description

Outdoor rainwater metering device

Technical Field

The utility model relates to a rain gauge technical field, concretely relates to outdoor rainwater metering device.

Background

The precipitation is an important meteorological element, and the precipitation measurement plays an important role in the fields of meteorology, hydrology, oceans, environment and the like, and has an important significance on the safety of aviation and railway traffic. A rain gauge, also known as a rain gauge or a rain gauge, is an instrument for measuring the amount of rainfall in a certain area over a period of time.

In the prior art, different rain gauges according to the measurement principle are mainly divided into a siphon type rain gauge and a tipping bucket type rain gauge, wherein the siphon type rain gauge drives a self-recording pen to lift by utilizing a floater along with the lifting of a liquid level so as to record the change of the liquid level in real time; the tipping bucket type rain gauge is characterized in that a tipping bucket structure is arranged below a water collecting bucket, when the accumulated water volume of the tipping bucket on one side reaches a certain height, the tipping bucket is out of balance and overturns, and the swinging times of the tipping bucket are recorded, so that the rainfall flowing through is calculated by utilizing the swinging times and the capacity of the tipping bucket. The two methods have outstanding advantages in the aspect of metering accuracy, however, the structure is too complex, the size is large, and the method is more suitable for meteorological observation research. When general precision measurement is performed, the cost is too high if the device is used, and the installation process is also highly required.

In addition, in the structure of all kinds of rain gauges, all have the water collecting bucket upwards, the water collecting bucket can fall into debris such as leaf, weeds when collecting the rainwater, and this part debris are gathered and are probably caused the blocking phenomenon in the port department of water collecting bucket, need the manual work to clear up the maintenance this moment. To solve this problem, a water collecting hopper with a back-blowing function is developed in the prior art, that is, a back-blowing is performed from bottom to top by using mechanisms such as an air pump, etc., so as to break up the blockage at the port of the water collecting hopper.

Disclosure of Invention

The utility model discloses aim at to prior art's technical defect, provide an outdoor rainwater metering device to solve the too complicated technical problem of conventional rain gauge structure among the prior art.

The utility model provides a rain gauge with a novel structure.

The to-be-solved technical problem of the utility model is that the water collecting bucket of conventional hyetometer is difficult for getting rid of the blockage when taking place the blocking phenomenon.

In order to realize the technical purpose, the utility model adopts the following technical scheme:

the utility model provides an outdoor rainwater metering device, includes the support, the outer sleeve, the inner skleeve, the water catch bowl, the intercommunication mouth, the outlet, first automatically controlled valve, the float switch, wherein outer sleeve fixed connection has cup jointed the inner skleeve in the inside of outer sleeve on the support, and water catch bowl fixed connection has the intercommunication mouth on the water catch bowl on the top of outer sleeve and inner skleeve, the intercommunication mouth is linked together with the last port of inner skleeve, and the last port of outer sleeve is sealed by the water catch bowl, and telescopic lower extreme is connected with the outlet including be connected with first automatically controlled valve on the outlet, telescopic internal connection has the float switch including, float switch and first automatically controlled valve electric connection.

Preferably, the support rod further comprises a support rod, a lower conical surface, an upper conical surface and a sealing plate, wherein the support rod is vertically and fixedly connected to the support, the support rod penetrates through the water collecting hopper, a seam between the support rod and the water collecting hopper is welded and sealed, the support rod is respectively and fixedly connected with the lower conical surface and the upper conical surface, the lower conical surface is located above the water collecting hopper, an annular seam is formed between the lower conical surface and the water collecting hopper, the upper conical surface is located above the lower conical surface, an upper port of the lower conical surface extends into the upper conical surface, and an upper port of the upper conical surface is sealed by the sealing plate.

Preferably, the support rod is characterized by further comprising a ring body, the ring body is fixedly connected to the top end of the support rod, and the ring body is located above the sealing plate.

Preferably, the device further comprises a pore plate and a filter screen, wherein the number of the pore plate is 2, the 2 pore plates are fixedly connected to the inner part of the inner sleeve in parallel, and the filter screen is clamped and fixed between the 2 pore plates.

Preferably, the device further comprises a back-blowing pipe, an air pump and a second electric control valve, wherein the back-blowing pipe is vertically and fixedly connected between the outer sleeve and the inner sleeve, the upper end of the back-blowing pipe penetrates through the water collecting hopper, the lower end of the back-blowing pipe is located between the outer sleeve and the inner sleeve, the lower end of the back-blowing pipe is connected with the air pump, and the back-blowing pipe is connected with the second electric control valve.

In the technical scheme, the bracket is used for supporting structures such as an outer sleeve, a water collecting hopper and the like; the outer sleeve is used for protecting the connecting line and the structure of the air pump; the inner sleeve is used for containing rainwater from the water collecting bucket, and when rainwater reaches a certain amount, the liquid level jacks up the float switch to trigger the first electric control valve to be opened, so that rainwater accumulated in the inner sleeve is drained, and the triggering logic can be designed as follows: the method comprises the following steps that a float switch is jacked up by a liquid level to serve as a sufficient condition for opening a first electric control valve, and the first electric control valve is continuously opened for a fixed time length each time (for example, the first electric control valve is set to be opened for 10 seconds each time and then automatically closed, and the first electric control valve is opened again for 10 seconds when the float switch is jacked up by the liquid level next time; based on the principle, the triggering times of the floating ball switch or the opening times of the first electric control valve are recorded, and then the total rainfall can be calculated according to the fixed volume of the accumulated rainwater in the inner sleeve when the floating ball switch is jacked up by the liquid level; the water collecting hopper is used for collecting rainwater and guiding the rainwater into the inner sleeve from the communication opening for metering; the water outlet is used for draining rainwater.

In the preferred technical scheme, the support rod is used for supporting a lower conical surface and an upper conical surface, the lower conical surface and the upper conical surface form an embedded structure and are blocked above the communication opening, only an annular gap is reserved between the lower conical surface and the water collecting hopper for rainwater to flow in, and most of impurities are intercepted at the annular gap; the closing plate is used for closing the upper port of the upper conical surface. The ring body can be used to provide other protective structures such as end caps. The pore plate is used for clamping and fixing the filter screen, and the pore plate and the filter screen can intercept sundries with smaller particle sizes so as to prevent the sundries from continuously flowing downwards and blocking in the inner sleeve, and the filter screen can be replaced periodically. The back-blowing pipe is used for performing back-blowing under the action of the air pump, upwards back-blown air is diffused outwards through the annular seam, sundries such as leaves, weeds and the like accumulated at the annular seam are blown out from the annular seam at an inclined angle, and based on the inclined angle, the sundries can be blown out of the range of the water collecting hopper through one to two back-blowing; the second electric control valve is used for sealing the back-blowing pipe when back-blowing is not carried out.

The utility model provides an outdoor rainwater metering device, this technical scheme has carried out brand-new design to the structure machine of hyetometer. The collected rainwater is contained in the inner sleeve, the floating ball switch is triggered according to the liquid level in the inner sleeve, so that the first electric control valve is triggered to be opened for a period of time, the rainwater in the inner sleeve is drained, and the total rainwater can be calculated according to the fixed volume of the rainwater accumulation in the inner sleeve when the floating ball switch is jacked up according to the liquid level based on the number of times that the floating ball switch is triggered or the number of times that the first electric control valve is opened. The measuring mechanism has the technical advantages of simple structure and lower installation requirement. Meanwhile, the utility model utilizes the nested conical surface and the sealing plate to block the communication port above the water collecting bucket, and only the lower conical surface and the water collecting bucket form an annular gap for the circulation of rainwater; on the basis, a back-blowing pipe is arranged in the outer sleeve, back-blowing is carried out upwards by using an air pump, air flow is blown out along the annular gap at an inclined angle, impurities accumulated at the annular gap can be effectively blown away, and the problem that the impurities fall back after back-blowing is basically avoided.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of the present invention from one perspective;

fig. 3 is a perspective view of the present invention from another perspective;

FIG. 4 is a schematic structural view of the inner portions of the outer sleeve and the inner sleeve of the present invention;

FIG. 5 is a schematic view of a partial structure of a perforated plate according to the present invention;

in the figure:

1. support 2, outer sleeve 3, inner skleeve 4, water catch bowl

5. A communication port 6, a water outlet 7, a first electric control valve 8 and a float switch

9. Support rod 10, lower conical surface 11, upper conical surface 12 and sealing plate

13. Ring body 14, pore plate 15, filter screen 16 and blowback pipe

17. An air pump 18 and a second electric control valve.

Detailed Description

The following will describe in detail specific embodiments of the present invention. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

The utility model provides an outdoor rainwater metering device, as shown in fig. 1 ~ 5, includes support 1, outer sleeve 2, inner skleeve 3, water catch bucket 4, intercommunication mouth 5, outlet 6, first automatically controlled valve 7, float switch 8, wherein outer sleeve 2 fixed connection is on support 1, has cup jointed inner skleeve 3 in outer sleeve 2's inside, and water catch bucket 4 fixed connection has intercommunication mouth 5 on water catch bucket 4 at the top of outer sleeve 2 and inner skleeve 3, intercommunication mouth 5 is linked together with the last port of inner skleeve 3, and the last port of outer sleeve 2 is sealed by water catch bucket 4, is connected with outlet 6 at the lower extreme of inner skleeve 3 be connected with first automatically controlled valve 7 on the outlet 6, at the internal connection of inner sleeve 3 have float switch 8, float switch 8 and first automatically controlled valve 7 electric connection.

Simultaneously, still include bracing piece 9, lower conical surface 10, go up conical surface 11, shrouding 12, wherein the vertical fixed connection of bracing piece 9 is in support 1, bracing piece 9 runs through water collecting bucket 4, and the seam welded seal between bracing piece 9 and the water collecting bucket 4 is fixed connection respectively on bracing piece 9 conical surface 10 and last conical surface 11 down, conical surface 10 is located the top of water collecting bucket 4 down, has the annular seam between conical surface 10 and water collecting bucket 4 down, go up conical surface 11 and be located the top of conical surface 10 down, the last port of lower conical surface 10 stretches into to the conical surface 11 inside, and the upper end port of going up conical surface 11 is sealed by shrouding 12.

The support rod structure further comprises a ring body 13, the ring body 13 is fixedly connected to the top end of the support rod 9, and the ring body 13 is located above the sealing plate 12.

The inner sleeve is characterized by further comprising 2 pore plates 14 and a filter screen 15, wherein the 2 pore plates 14 are fixedly connected inside the inner sleeve 3 in parallel, and the filter screen 15 is clamped and fixed among the 2 pore plates 14.

The device is characterized by further comprising a back flushing pipe 16, an air pump 17 and a second electric control valve 18, wherein the back flushing pipe 16 is vertically and fixedly connected between the outer sleeve 2 and the inner sleeve 3, the water hopper 4 penetrates through the upper end of the back flushing pipe 16, the lower end of the back flushing pipe 16 is located between the outer sleeve 2 and the inner sleeve 3, the air pump 17 is connected to the lower end of the back flushing pipe 16, and the second electric control valve 18 is connected to the back flushing pipe 16.

The structure principle of the device is as follows: the bracket 1 is used for supporting structures such as an outer sleeve 2, a water collecting hopper 4 and the like; the outer sleeve 2 is used for protecting the connecting line and the structure of the air pump 17; the inner sleeve 3 is used for containing rainwater from the water collecting hopper 4, when the rainwater reaches a certain amount, the liquid level jacks up the float switch 8, the first electric control valve 7 is triggered to be opened, and therefore the rainwater accumulated in the inner sleeve 3 is discharged, and the triggering logic can be designed as follows: the float switch 8 is jacked up by the liquid level to serve as a sufficient condition for opening the first electric control valve 7, and the first electric control valve 7 is continuously opened for a fixed time length each time (for example, the first electric control valve 7 is set to be opened for 10 seconds each time and then automatically closed, and the first electric control valve is opened again for 10 seconds when the float switch 8 is jacked up by the liquid level next time; the specific numerical value of the duration time for opening the first electric control valve 7 is determined according to the accumulated amount of rainwater in the inner sleeve 3 when the float switch 8 is jacked up by the liquid level and the drainage rate of the rainwater from the drainage outlet 6 under the action of gravity, so that the rainwater accumulated in the inner sleeve 3 can be completely drained in the duration time); based on the principle, the triggering times of the float switch 8 or the opening times of the first electric control valve 7 are recorded, and then the total rainfall can be calculated according to the fixed volume of the accumulated rainwater in the inner sleeve 3 when the float switch 8 is jacked up by the liquid level; the water collecting hopper 4 is used for collecting rainwater and guiding the rainwater into the inner sleeve 3 from the communication port 5 for metering; the drain port 6 is for draining rainwater.

The supporting rod 9 is used for supporting a lower conical surface 10 and an upper conical surface 11, the lower conical surface 10 and the upper conical surface 11 form a nested structure and are blocked above the communication opening 5, only an annular gap is reserved between the lower conical surface 10 and the water collecting hopper 4 for rainwater to flow in, and most of impurities are intercepted at the annular gap; a closing plate 12 is used to close the upper port of the upper tapered surface 11. The ring 13 may be used to provide other protective structures such as end caps. The perforated plate 14 is used for clamping and fixing the filter screen 15, and the perforated plate 14 and the filter screen 15 can intercept sundries with smaller particle sizes so as to prevent the sundries from continuing downwards to block in the inner sleeve 3, and the filter screen 15 can be replaced periodically. The back-blowing pipe 16 is used for performing back-blowing under the action of the air pump 17, upward back-blown air is diffused outwards through the annular gap, sundries such as leaves and weeds accumulated at the annular gap are blown out from the annular gap at an inclined angle, and based on the inclined angle, the sundries can be blown out of the range of the water collecting hopper 4 by back-blowing once to twice; the second electrically controlled valve 18 is used to close the blow-back pipe 16 when blow-back is not being performed.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modification, equivalent replacement, and improvement made within the scope of the present invention should be included in the protection scope of the present invention.

Claims

1. An outdoor rainwater metering device is characterized by comprising a support (1), an outer sleeve (2), an inner sleeve (3), a water collecting hopper (4), a communication port (5), a water outlet (6), a first electric control valve (7) and a floating ball switch (8), wherein the outer sleeve (2) is fixedly connected to the support (1), the inner sleeve (3) is sleeved in the outer sleeve (2), the water collecting hopper (4) is fixedly connected to the top ends of the outer sleeve (2) and the inner sleeve (3), the communication port (5) is formed in the water collecting hopper (4), the communication port (5) is communicated with an upper port of the inner sleeve (3), an upper port of the outer sleeve (2) is sealed by the water collecting hopper (4), the lower end of the inner sleeve (3) is connected with the water outlet (6), the water outlet (6) is connected with the first electric control valve (7), the floating ball switch (8) is connected to the inner part of the inner sleeve (3), the float switch (8) is electrically connected with the first electric control valve (7).

2. An outdoor rainwater metering device according to claim 1, which further comprises a support rod (9), a lower conical surface (10), an upper conical surface (11) and a sealing plate (12), wherein the support rod (9) is vertically and fixedly connected to the support (1), the support rod (9) penetrates through the water collecting hopper (4), a seam between the support rod (9) and the water collecting hopper (4) is welded and sealed, the support rod (9) is fixedly connected with the lower conical surface (10) and the upper conical surface (11), the lower conical surface (10) is positioned above the water collecting hopper (4), an annular seam is formed between the lower conical surface (10) and the water collecting hopper (4), the upper conical surface (11) is positioned above the lower conical surface (10), an upper end opening of the lower conical surface (10) extends into the upper conical surface (11), and an upper end opening of the upper conical surface (11) is sealed by the sealing plate (12).

3. An outdoor rainwater metering device according to claim 2, further comprising a ring body (13), wherein the ring body (13) is fixedly connected to the top end of the support rod (9), and the ring body (13) is positioned above the sealing plate (12).

4. An outdoor rainwater metering device according to claim 3, further comprising 2 perforated plates (14) and a filter screen (15), wherein the 2 perforated plates (14) are fixedly connected in parallel inside the inner sleeve (3), and the filter screen (15) is clamped and fixed between the 2 perforated plates (14).

5. An outdoor rainwater metering device according to claim 4, characterized by further comprising a back flushing pipe (16), an air pump (17) and a second electric control valve (18), wherein the back flushing pipe (16) is vertically and fixedly connected between the outer sleeve (2) and the inner sleeve (3), the water hopper (4) penetrates through the upper end of the back flushing pipe (16), the lower end of the back flushing pipe (16) is located between the outer sleeve (2) and the inner sleeve (3), the air pump (17) is connected to the lower end of the back flushing pipe (16), and the second electric control valve (18) is connected to the back flushing pipe (16).