CN210666078U

CN210666078U - Liquid drop generator and rain amount measuring device

Info

Publication number: CN210666078U
Application number: CN201921831038.8U
Authority: CN
Inventors: 曹明
Original assignee: Guangzhou Xaircraft Technology Co Ltd
Current assignee: Guangzhou Xaircraft Technology Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-06-02
Anticipated expiration: 2029-10-28

Abstract

The utility model discloses a liquid drop generater and rainfall measuring device relates to the rainfall measurement field. The drop generator includes a housing and a generator. The shell is used for receiving liquid, and a liquid outlet hole is formed in the bottom of the shell. The generator is arranged on the shell and positioned above the liquid outlet hole, a gap is formed between the bottom of the generator and the bottom of the shell, and the gap is communicated with the liquid outlet hole to convey liquid to the liquid outlet hole, so that liquid can form liquid drops after sequentially passing through the gap and the liquid outlet hole. This liquid drop generator sets up through the clearance between generator and the drain pan bottom, makes the liquid that gets into can obtain buffering effectively on the one hand to control the liquid flow rate, and then control out liquid speed, on the other hand makes the liquid of defeated liquid hole of going out after the clearance buffering slowly drips out under the in-process of going out liquid, can be greater than the adsorption force's of liquid adsorption force in self gravity all the time, thereby guarantees the homogeneity of the liquid drop that generates, and then is convenient for measure the liquid measure size according to the quantity accuracy of liquid drop.

Description

Liquid drop generator and rain amount measuring device

Technical Field

The utility model relates to a rainfall measurement field particularly, relates to a liquid drop generater and rainfall measuring device.

Background

The rainfall measurement is to collect the rainwater of certain area through holding the rain mouth, and rethread measuring device calculates rainfall size and grade, and for the agricultural field, the rainfall is a very key factor to crops, often can decide the harvest of crops, and later, to the planting of crops, the rainfall measurement is very necessary.

The traditional rainfall measuring meter mainly comprises a siphon rainfall meter, a tipping bucket rainfall meter and a pressure type rainfall meter, and the rainfall meters have the technical problems of inaccurate measuring results and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquid drop generator, this liquid drop generator can generate the even liquid drop of volume to be convenient for measure the liquid measure size accurately according to the quantity of liquid drop.

Another object of the present invention is to provide a rainfall measuring device, which utilizes the above-mentioned liquid drop generator to generate raindrops, so that the raindrops during rainfall measurement are raindrops with uniform volume, and the accuracy of the measurement result of the rainfall is effectively ensured.

The embodiment of the utility model discloses a can realize like this:

in a first aspect, embodiments of the present invention provide a droplet generator, comprising:

the shell is used for receiving liquid, and a liquid outlet hole is formed in the bottom of the shell;

the generator is arranged on the shell and positioned above the liquid outlet hole, a gap is formed between the bottom of the generator and the bottom of the shell, and the gap is communicated with the liquid outlet hole to convey liquid to the liquid outlet hole, so that liquid can form liquid drops after sequentially passing through the gap and the liquid outlet hole.

In an optional embodiment, the shell comprises a mounting hole, the liquid outlet hole is communicated with the mounting hole, and a mounting groove is formed in the side wall of the mounting hole;

the generator comprises a generating portion and an installation portion arranged on the generating portion, the installation portion is matched with the installation groove, and when the installation portion is inserted into the installation groove, a gap is formed between the bottom of the generating portion and the bottom of the installation hole.

In an alternative embodiment, the generating part comprises a main body part and a connecting part, and the mounting part is connected with the main body part through the connecting part;

the clearance includes first clearance and the second clearance of intercommunication each other, and when the installation department pegged graft in the mounting groove, the lateral wall of main part and the lateral wall and the diapire of mounting hole between form first clearance jointly, form the second clearance between the diapire of main part and the diapire of mounting hole, and the width of second clearance is greater than the internal diameter in play liquid hole.

In an optional embodiment, the mounting hole is a stepped hole, and the stepped hole has a first side wall, a first bottom wall, a second side wall and a second bottom wall which are sequentially connected in a bent manner;

the mounting groove is opened in first lateral wall, when the installation department pegs graft in the mounting groove, the bottom and the first diapire butt of installation department, form first clearance jointly between the lateral wall of main part, second lateral wall and the second diapire, form the second clearance jointly between the diapire of main part and the second diapire.

In an alternative embodiment, the height of the first gap is greater than the height of the second gap.

In an alternative embodiment, the height of the first gap is 0.8 to 1.0mm, and the height of the second gap is 0.1 to 0.5 mm.

In an alternative embodiment, the body portion is cylindrical; or the generating part comprises a conical first generating piece and a cylindrical second generating piece which are arranged in sequence in the direction close to the liquid outlet hole;

the connecting part and the mounting part are both flat plates.

In an alternative embodiment, the generator includes at least two mounting portions, each mounting portion is correspondingly provided with one connecting portion, the at least two mounting portions are arranged on the surface of the main body portion at intervals through the connecting portions arranged in one-to-one correspondence with the at least two mounting portions, and the mounting holes are provided with at least two mounting grooves in one-to-one correspondence with the mounting portions.

In an alternative embodiment, the housing is provided with a guiding inclined plane at the outlet of the liquid outlet hole, and the guiding inclined plane is used for guiding the liquid drops to drop downwards.

In an alternative embodiment, the angle of inclination of the guide ramp is acute.

In alternative embodiments, the angle of inclination of the guide ramps is 30 ° or 50 °.

In an alternative embodiment, the housing further comprises a liquid containing groove, and the liquid containing groove is located above the mounting hole and is communicated with the mounting hole.

In an alternative embodiment, the liquid containing groove is provided with an arc-shaped part, and the mounting hole is arranged at the arc bottom of the arc-shaped part.

In an optional embodiment, the liquid containing groove further has a step portion, the step portion is located at one end of the arc portion away from the mounting hole, the inner side wall of the step portion comprises a vertical surface and a horizontal surface which are connected, and the horizontal surface is connected with the arc portion.

In an alternative embodiment, the outer side wall of the step portion has an inclined surface, and the inclined surface has an angle smaller than 90 ° with respect to the vertical direction.

In a second aspect, an embodiment of the present invention provides a rainfall measurement device, including:

the drop generator of any one of the preceding embodiments;

and the liquid drop detection device is arranged below the liquid outlet hole of the liquid drop generator and is used for measuring the liquid quantity of the liquid drops.

The embodiment of the utility model provides an at least possess following advantage or beneficial effect:

embodiments of the present invention provide a droplet generator that includes a housing and a generator. Wherein, the casing is used for accepting liquid, and the bottom of casing is seted up out the liquid hole. The generator is arranged on the shell and positioned above the liquid outlet hole, a gap is formed between the bottom of the generator and the bottom of the shell, and the gap is communicated with the liquid outlet hole to convey liquid to the liquid outlet hole, so that liquid can form liquid drops after sequentially passing through the gap and the liquid outlet hole. This liquid drop generator sets up through the clearance between generater and the drain pan bottom, makes the liquid that gets into can obtain buffering effectively on the one hand to control the liquid flow rate, and then control out liquid speed, on the other hand makes the liquid of defeated liquid hole of going out after the clearance buffering in-process of going out liquid, can drip out all the time under the circumstances that self gravity is greater than the adsorption force of liquid, thereby guarantees the homogeneity of the liquid drop that generates, and then is convenient for measure the liquid measure size according to the quantity accuracy of liquid drop.

The embodiment of the utility model also provides a rainfall measuring device, this rainfall measuring device includes foretell liquid drop generater. Therefore, the measurement result of the rainfall measurement device is accurate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a rainfall measurement system according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a rainfall measurement device according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of a rainfall measurement device according to an embodiment of the present invention;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

fig. 5 is a schematic structural diagram of a generator according to an embodiment of the present invention;

fig. 6 is a schematic view of a partially exploded structure of a rainfall measurement device according to an embodiment of the present invention;

fig. 7 is a schematic partial structural diagram of a rainfall measurement device according to an embodiment of the present invention.

Icon: 100-a rainfall measurement system; 101-a rainfall measuring device; 103-solar cell; 105-a mounting bar; 106-a filter; 107-a dust cover; 109-a filter screen; 111-a dust cover holder; 113-stainless steel mesh; 115-a drop generator; 117-a generator; 119-liquid outlet hole; 121 — a first gap; 123-a second gap; 125-mounting holes; 127-a mounting groove; 129-a first side wall; 131-a first bottom wall; 133-a second sidewall; 135-a second bottom wall; 137-main body part; 139-a connecting portion; 140-a mounting portion; 141-a first production; 143-a second generating member; 145-a lead-in ramp; 147-a liquid containing tank; 149-a step portion; 151-vertical plane; 153-horizontal plane; 155-inclined plane; 157-measurer; 159-a probe assembly; 161-hardware circuitry; 163-positive electrode probe; 164-a negative electrode probe; 165-an insulating housing; 167-a water collection bucket; 169-a liquid outlet; 171-an illumination sensor; 173-a body; 175-a housing; 177-raindrops; 179-Metal head.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "upper", "lower", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience of description and simplification, but the indication or suggestion that the indicated device or element must have a specific position, be constructed and operated in a specific orientation, and thus, should not be interpreted as a limitation of the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.

Fig. 1 is a schematic structural diagram of a rainfall measurement system 100 provided in this embodiment. Referring to fig. 1, the embodiment provides a rainfall measurement system 100, and the rainfall measurement system 100 can be applied to the technical field of agriculture to measure the rainfall of the crop planting environment. Of course, in other embodiments of the present invention, the present invention may also be used in other technical fields, for example, may be used for measuring rainfall in arid areas, and the embodiments of the present invention are not limited.

In detail, referring to fig. 1 again, in the present embodiment, the rainfall measurement system 100 includes a rainfall measurement device 101, a mounting rod 105 and a solar cell 103. The rainfall measuring device 101 and the solar cell 103 are movably arranged on the mounting rod 105, the rainfall measuring device 101 is used for carrying out rainfall measurement, and the solar cell 103 is electrically connected with the rainfall measuring device 101 and used for providing enough electric quantity for the rainfall measuring device 101 so as to assist the rainfall measuring device 101 in accurately measuring the rainfall.

Fig. 2 is an exploded schematic view of the rainfall measurement device 101 provided in this embodiment; fig. 3 is a schematic cross-sectional structure diagram of the rainfall measurement device 101 provided in this embodiment. Referring to fig. 1 to 3, the rainfall measurement device 101 includes a body 173, and a filter 106, a droplet generator 115, and a measurer 157 sequentially disposed in the body 173. The filter 106 is used to filter rainwater, the droplet generator 115 is used to generate uniform raindrops 177, and the measurer 157 is used to measure rainfall. Of course, in the utility model discloses an in other embodiments, can also set up subassembly such as light intensity sensor 171 on casing 175, light intensity sensor 171 can carry out the light intensity sensing to in supplementary rainfall measuring device 101 carries out the measurement of rainwater, this embodiment is not repeated.

In detail, referring to fig. 2 and 3 again, in the present embodiment, the filter 106 is used for effectively filtering the incoming rainwater. Through the arrangement of the filter 106, the influence of wind-blown sand falling leaves on measurement of rainfall can be effectively reduced, and meanwhile, the water inlet is prevented from being blocked.

Specifically, the filter 106 includes a dust cover 107, a filter mesh 109, a dust cover holder 111, and a stainless steel net 113, which are sequentially disposed from the outside to the inside. Among them, the dust cover 107 on the outermost side can provide the functions of effectively preventing insects, sand and fallen leaves, and most of the impurities are blocked outside. The dust cover holder 111 on the inner side of the dust cover 107 functions to fix the filter mesh 109 to ensure stability of the entire filter 106. The filter screen 109 disposed between the dust cover 107 and the dust cover holder 111 provides effective dust protection, thereby ensuring that the rainfall measuring device 101 is not blocked by dust in long-term outdoor use. The stainless steel net 113 is intended to provide a secondary filtration to facilitate the transfer of the collected filtered rainwater to the droplet generator 115 to complete the introduction of the rainwater.

Fig. 4 is a partially enlarged schematic view of fig. 3. Referring to fig. 1 to 4, in the present embodiment, the droplet generator 115 is configured to receive rainwater filtered by the filter 106 and generate raindrops 177 from the rainwater, so that the measurer 157 can perform accurate measurement.

Specifically, the drop generator 115 includes a housing 175 and the generator 117, the housing 175 being disposed above the body 173, and the generator 117 and the housing 175 collectively forming the drop generator 115. That is, the housing 175 is adapted to receive rain water, and the generator 117 is adapted to cooperate with the housing 175 to form raindrops 177. Liquid outlet holes 119 are formed in the bottom of the housing 175, and the generator 117 is disposed above the liquid outlet holes 119 and is used for cooperating with the liquid outlet holes 119 to form raindrops 177.

Wherein a gap is provided between the bottom of the generator 117 and the bottom of the housing 175, the gap communicating with the exit aperture 119 to deliver liquid to the exit aperture 119 such that the liquid is able to form droplets after passing through the gap and the exit aperture 119 in sequence. This liquid drop generator 115 sets up through the clearance between generator 117 and the drain pan bottom, makes the liquid that gets into can be cushioned effectively on the one hand to control the liquid velocity of flow, and then control out liquid speed, and on the other hand makes the in-process of liquid that goes out liquid hole 119 through the defeated liquid that goes out after the clearance buffering, can drip all the time under the circumstances that self gravity is greater than the adsorption force of liquid, thereby guarantees the homogeneity of the liquid drop that generates, and then is convenient for measure the liquid measure size according to the quantity accuracy of liquid drop.

Referring to fig. 2 to 4 again, in the present embodiment, the housing 175 includes a mounting hole 125 and a liquid containing groove 147, the mounting hole 125 is used for mounting the generator 117, the liquid containing groove 147 is used for containing rainwater, so as to facilitate filtering by the filter 106, and meanwhile, filtered rainwater can be delivered to the mounting hole 125, so as to facilitate the droplet generator 115 to generate raindrops 177.

In detail, the liquid containing groove 147 is located at one end of the mounting hole 125 far away from the liquid outlet hole 119, the liquid containing groove 147 is approximately arc-shaped, and the arc-shaped design can buffer the received rainwater, so that the downward flow speed of the rainwater can be controlled, and the accuracy of the measurement result of the raindrops 177 at the later stage can be facilitated. The mounting hole 125 is located at the arc bottom of the liquid tank 147 to buffer the input rainwater and transmit the rainwater to the generator 117 for generation of the raindrops 177. Of course, in other embodiments of the present invention, the shape of the liquid containing groove 147 may be modified as required, for example, the liquid containing groove is provided in a curved shape having a plurality of bending portions, and the embodiments of the present invention are not limited thereto.

Specifically, the liquid containing groove 147 has a first end close to the mounting hole 125 and a second end far from the mounting hole 125, and the entire filter 106 is disposed in the liquid containing groove 147 above the mounting hole 125 disposed at the first end, so as to effectively filter the rainwater. The second end of the liquid containing groove 147 is provided with a step part 149, the inner side wall of the step part 149 comprises a vertical surface 151 and a horizontal surface 153 which are connected, and the horizontal surface 153 is connected with the arc-shaped part. The design of the vertical surface 151 and the horizontal surface 153 aims to prevent rainwater from bouncing out of the liquid tank 147, thereby ensuring the stability of rainwater collection and further ensuring the accuracy of the final rainfall measurement result. The outer side wall of the step portion 149 has an inclined surface 155, and the angle of the inclined surface 155 with respect to the vertical direction is less than 90 °. The purpose of inclined plane 155 is to define the relative area for collecting rainwater of a certain area, thereby facilitating the final calculation of the rainfall in the relative area, and further obtaining a more accurate rainfall value.

Fig. 5 is a schematic structural diagram of the generator 117 provided in this embodiment. Referring to fig. 2 to 5, in the present embodiment, the generator 117 includes a generating portion and an installing portion 140 disposed on the generating portion. The mounting portion 140 is mainly used to mount the entire generator 117 to ensure stability of the generator 117 in the mounting hole 125, thereby ensuring accuracy of the generation work of the raindrops 177.

Specifically, mounting groove 127 has been seted up on the inside wall of mounting hole 125, installation department 140 can be with the cooperation of mounting groove 127 pegging graft, peg graft in mounting groove 127 when installation department 140, form the clearance between the bottom of generation portion and the bottom of mounting hole 125 to cushion the rainwater of input, and export the rainwater after the buffering from the clearance, so that make the rainwater can be greater than the dropping form whereabouts under the circumstances of adsorption affinity at the action of gravity, thereby be convenient for caliber 157 to carry out the rainfall measurement.

Further, referring to fig. 3 to 5 again, in the present embodiment, the generating portion includes a main body portion 137 and two connecting portions 139, the number of the corresponding mounting portions 140 is also two, the two connecting portions 139 are symmetrically disposed on two sides of the main body portion 137, each connecting portion 139 is correspondingly provided with one mounting portion 140, and the mounting portion 140 is connected to the main body portion 137 through the connecting portion 139 at the corresponding position. Correspondingly, the number of the mounting grooves 127 is also two, and the mounting grooves are in one-to-one correspondence with the positions of the mounting portions 140, so that the mounting portions 140 can be matched with the mounting grooves 127 to stabilize the whole droplet generator 115, and meanwhile, the positioning can be conveniently carried out, so that rainwater can form droplet-shaped raindrops 177 after passing through the droplet generator 115, and the accuracy of the measuring result of the measurer 157 is further ensured. Of course, in other embodiments of the present invention, the number of the mounting grooves 127, the mounting portions 140 and the connecting portions 139 may also be selected to be plural, and is not limited to two, for example, the mounting portions 140 may be selected to be plural, and the connecting portions 139 are arranged in the outer side of the main body portion 137 in an annular array, and the like.

In this embodiment, the main body 137 may be cylindrical or may be other shapes, for example, the generating unit may be provided with a first generating element 141 and a second generating element 143, which are tapered and cylindrical, and are sequentially arranged in a direction toward the liquid outlet hole 119, and the first generating element 141 and the second generating element 143 are guided by the tapered first generating element 141 and the second generating element 143 are cylindrical to buffer rainwater, which is not particularly limited in the embodiment of the present invention. The shapes of the connection portion 139 and the mounting portion 140 may be flat plate-shaped structures, for example, the connection portion 139 may be a rectangular plate-shaped structure, and the mounting portion 140 may be a trapezoidal plate-shaped structure, and the embodiment of the present invention is not limited thereto.

Referring to fig. 3 and fig. 4 again, in the present embodiment, the gaps include a first gap 121 and a second gap 123 that are communicated with each other. Second gap 123 is located below body 137, and first gap 121 is located on a side of body 137. Specifically, when the mounting portion 140 is inserted into the mounting groove 127, the side wall of the main body portion 137 and the side wall and the bottom wall of the mounting hole 125 jointly form the first gap 121 therebetween. By the arrangement of the first gap 121, rainwater inputted from the liquid containing groove 147 is effectively buffered. Meanwhile, a second gap 123 is formed between the bottom wall of the body portion 137 and the bottom wall of the mounting hole 125. Through the setting of second clearance 123 for rainwater after the buffering can form raindrop 177 and export after the generator 117 when the action of gravity is greater than the adsorption, thereby be convenient for caliber 157's measurement, guarantee measurement accuracy.

In the present embodiment, the width of the second gap 123 is larger than the inner diameter of the liquid outlet hole 119, that is, the second gap is completely covered by the body 137 above the liquid outlet hole 119 in the vertical direction. The rainwater input after the filtering effect is not easy to directly output through the liquid outlet hole 119, namely, the input rainwater is ensured to be output after being subjected to the effect of the generator 117 by generating the drop-shaped raindrops 177, and then the accuracy of rainfall measurement is convenient to ensure.

In detail, in the present embodiment, the mounting hole 125 may be selected as a stepped hole, so that the entire generator 117 may be lifted after the mounting part 140 is disposed in the mounting groove 127 to form the second gap 123 with the bottom wall of the mounting hole 125, thereby ensuring the uniformity of generation of the raindrops 177 and thus the accuracy of the rainfall measurement result.

Specifically, the stepped hole has a first side wall 129, a first bottom wall 131, a second side wall 133 and a second bottom wall 135 which are sequentially connected in a bent manner. In the present embodiment, the first side wall 129, the first bottom wall 131, the second side wall 133 and the second bottom wall 135 are vertically connected in sequence to ensure that a sufficient buffering effect is given to the inputted rainwater. Of course, in other embodiments of the present invention, the first side wall 129, the first bottom wall 131, the second side wall 133 and the second bottom wall 135 may be connected by an included angle, and the embodiments of the present invention are not limited thereto.

The mounting groove 127 is opened on the first side wall 129, and when the mounting portion 140 is inserted into the mounting groove 127, the bottom of the mounting portion 140 abuts against the first bottom wall 131 to lift the entire generator 117. First gap 121 is formed among the side wall of main body 137, second side wall 133 and second bottom wall 135, so as to buffer rainwater, and second gap 123 is formed between the bottom wall of main body 137 and second bottom wall 135, so as to make rainwater form drop-shaped raindrop 177 after passing through second gap 123 on the premise that self gravity is greater than adsorption force, so as to facilitate measurement by measurer 157.

Note that, in order to ensure the existence of the second gap 123, the height of the first gap 121 is greater than the height of the second gap 123. And preferably, the size of the first gap 121 may be selected to be 0.8 to 1.0mm, and the height of the second gap 123 may be selected to be 0.1 to 0.5 mm. The weight of the finally output liquid drops is controlled to be about 1/20g by strictly considering the size and simultaneously matching with the size of the liquid outlet hole 119, so that the total rainfall can be calculated conveniently by listening to the dropping times of the raindrops 177. Of course, in the utility model discloses an in other embodiments, go out the size of liquid hole 119 and can also adjust according to the demand, when the raindrop 177 of lighter quality or less volume of needs, can select to reduce the diameter of going out liquid hole 119, the embodiment of the utility model is no longer repeated.

Referring to fig. 1 to 5 again, in the present embodiment, the housing 175 is provided with a guiding inclined surface 145 at the outlet of the liquid outlet hole 119, and the guiding inclined surface 145 is used for guiding the liquid drops to drop downwards. Through the setting of guide inclined plane 145 for the rainwater can produce even water droplet under the adsorption of self gravity and water after making up the ware 117 through raindrop 177, then along with the water droplet drips out along the edge of going out liquid hole 119, can prevent under the effect of the guide inclined plane 145 of going out liquid hole 119 circumference edge that the water droplet from flowing toward the horizontal direction under self adsorption, thereby guaranteed that all produced water droplets can all freely fall, form the even water droplet picture of volume of a drop free fall, and then further guarantee the accuracy of the last measuring result of caliber 157.

Note that, in the present embodiment, the inclination angle of the guide slope 145 is an acute angle, and preferably, the inclination angle of the guide slope 145 is 30 ° or 50 °. When the inclination angle of the guide slope 145 is controlled within this range, the raindrops 177 can be effectively guided to drop downward while avoiding flowing in the horizontal direction. Of course, in other embodiments of the present invention, the specific value of the inclination angle of the guiding inclined plane 145 can also be designed and improved according to the kind of liquid and the required size and weight of the liquid, and the embodiments of the present invention are not described again.

Fig. 6 is a schematic diagram of a partially exploded structure of the rainfall measurement device 101 according to the present embodiment; fig. 7 is a partial structural schematic diagram of the rainfall measurement device 101 provided in this embodiment. Referring to fig. 1-7, in the present embodiment, gauge 157 is located directly below drop generator 115, and gauge 157 includes a probe assembly 159 and a hardware circuit 161. The probe assembly 159 is electrically connected to the hardware circuit 161, and the hardware circuit 161 is electrically connected to the solar cell 103. The probe assembly 159 is used to measure the number of raindrops 177 so that the magnitude of the rainfall can be calculated.

In detail, referring to fig. 6 to 7, in the present embodiment, the probe assembly 159 includes a plurality of probes arranged in an array, the probes are divided into negative electrode probes 164 and positive electrode probes 163, the negative electrode probes 164 and the positive electrode probes 163 are arranged at intervals to form the probe assembly 159 arranged in an array, for example, a horizontal mesh surface arranged in a square, circular or rectangular array may be formed to ensure that the raindrops 177 can all drop on the horizontal mesh surface.

Specifically, after the raindrop 177 generated by the droplet generator 115 drops to the rear of the probe and connects the positive electrode probe 163 and the negative electrode probe 164, the pulse signal of the hardware circuit 161 changes, and the raindrop 177 is recorded. After all the rainwater received by the whole liquid containing groove 147 completely drops, the rainfall in the relative area can be calculated through the number of the raindrops 177 and the weight and the volume of the single raindrop 177, so that the rainfall can be accurately measured.

It should be noted that, in the present embodiment, the probe assembly 159 includes eight positive electrode probes 163 and eight negative electrode probes 164, and the eight positive electrode probes 163 and the eight negative electrode probes 164 are arranged at intervals to form a square array of the probe assembly 159, so as to effectively measure the raindrops 177. Of course, in other embodiments of the present invention, the number of the positive electrode probes 163 and the negative electrode probes 164 can be selected according to the requirement, and the embodiments of the present invention are not limited.

Preferably, in this embodiment, the lower and middle surfaces of each of the positive electrode probe 163 and the negative electrode probe 164 are covered by an insulating housing 165, and only a small portion of the conductive metal head 179 is exposed. Through the setting of insulating housing 165, can protect the security of probe on the one hand, improve the stability of probe, avoid the probe to take place to damage. On the other hand, the negative electrode probe 164 and the positive electrode probe 163 are disposed through the insulating case 165 so that the metal head 179 can be instantaneously brought into contact conduction when water drops are dropped, and counting is performed after conduction. After the counting is finished, the counting probe can be quickly left along the insulating shell 165, and raindrops 177 are prevented from being accumulated on the probe, so that the continuity of the probe and the instantaneity of counting are realized. That is, through such design, can make when the water droplet picture that raindrop 177 generator produced freely falls to the probe net face, whether raindrop 177 is perpendicular to the probe net face, all can fall on the probe net face and can instantaneous record to guaranteed whether equipment is in the water droplet that the horizontality also can detect, so reduced the complexity of equipment installation and improved rainfall measurement accuracy.

It should be noted that, in this embodiment, the insulating housing 165 may be a plastic housing or a housing made of other insulating materials, which is not limited by the embodiment of the present invention.

Referring to fig. 1 to 7 again, in the present embodiment, the rainfall measurement device 101 further includes a water collecting tub 167 disposed in the body 173. The water collecting tub 167 is used to collect the measured rainwater.

In detail, water collecting tub 167 is disposed below measuring unit 157, and can collect the rainwater measured by measuring unit 157, so as to prevent rainwater from accumulating near measuring unit 157 to affect the measurement result, and save water resources and waste.

Specifically, a liquid outlet 169 is arranged below the water collecting barrel 167, the liquid outlet 169 can be selectively communicated with the outside, and when the liquid outlet 169 is communicated with the outside, the liquid outlet 169 can discharge rainwater collected by the whole water collecting barrel 167 to irrigate crops, so that the utilization efficiency of water resources is improved. In the rainfall measurement process, the liquid outlet 169 can be closed enough according to the demand selection, the embodiment of the utility model discloses a do not limit.

The following describes in detail the installation and operation principle of the rainfall measurement device 101 according to the embodiment of the present invention:

when this rainfall measuring device 101 is mounted, first, the measuring unit 157 is placed in the housing 175, the hardware circuit 161 is connected to the solar cell 103, and the probe unit 159 is positioned directly below the liquid outlet hole 119. After measuring device 157 is installed, generator 117 is positioned within mounting hole 125 such that mounting portion 140 of generator 117 is in mating engagement with mounting groove 127 of mounting hole 125, such that a drop generator 115 is formed between generator 117 and mounting hole 125 of housing 175. After the generator 117 is mounted, the stainless steel net 113, the dust cover holder 111, the filter net 109, and the dust cover 107 are sequentially disposed over the mounting hole 125 to form one filter 106.

After rainfall measurement device 101 is installed, gather the rainwater in relative area, place in the collection position for the rainwater is collected through flourishing cistern 147, the rainwater after the collection passes through behind filter screen 109 of filter 106 and the filtration of stainless steel net 113 in proper order through going out liquid hole 119 and forming raindrop 177 after first space and the second space, raindrop 177 begins to carry out the count for the first time after dropping on probe assembly 159, can calculate accurate rainfall value according to the total number of drippage 177's weight and raindrop 177 total number of times of dropping at last.

In the process, due to the gap arrangement between the generator 117 of the liquid drop generator 115 and the bottom of the bottom shell, on one hand, the entering liquid can be effectively buffered, so that the liquid flow rate is controlled, and the liquid discharging speed is controlled, on the other hand, the liquid which is output to the liquid discharging hole 119 after the gap buffering can be always dripped out under the condition that the self gravity is greater than the adsorption acting force of the liquid in the liquid discharging process, so that the uniformity of the generated liquid drops is ensured, and the liquid quantity can be accurately measured according to the quantity of the liquid drops.

To sum up, the embodiment of the present invention provides a droplet generator 115 that can generate droplets with uniform volume, thereby facilitating the accurate measurement of the liquid volume according to the amount of the droplets. The rainfall measurement device 101 is provided, which utilizes the liquid drop generator 115 to generate the raindrops 177, so that the raindrops 177 during rainfall measurement are all the raindrops 177 with uniform volumes, and the accuracy of the measurement result of the rainfall is effectively guaranteed.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A drop generator, comprising:

the generater, set up in the casing, and be located go out the top in liquid hole, just the bottom of generater with the clearance has between the bottom of casing, the clearance with go out liquid hole intercommunication in order to go out liquid hole transport liquid, so that liquid can pass through in proper order the clearance with form the liquid drop behind the liquid hole.

2. A drop generator as claimed in claim 1, wherein:

the shell comprises a mounting hole, the liquid outlet hole is communicated with the mounting hole, and a mounting groove is formed in the side wall of the mounting hole;

3. A drop generator as claimed in claim 2, wherein:

the generating part comprises a main body part and a connecting part, and the mounting part is connected with the main body part through the connecting part;

the clearance includes first clearance and the second clearance of mutual intercommunication, works as the installation department peg graft in when the mounting groove, the lateral wall of main part with form jointly between the lateral wall and the diapire of mounting hole first clearance, the diapire of main part with form between the diapire of mounting hole the second clearance, just the width of second clearance is greater than the internal diameter in play liquid hole.

4. A drop generator as claimed in claim 3, wherein:

the mounting hole is a step hole, and the step hole is provided with a first side wall, a first bottom wall, a second side wall and a second bottom wall which are sequentially connected in a bending manner;

the mounting groove is arranged on the first side wall, when the mounting portion is inserted into the mounting groove, the bottom of the mounting portion is abutted to the first bottom wall, the first gap is formed between the side wall of the main body portion and the second bottom wall, and the second gap is formed between the bottom wall of the main body portion and the second bottom wall.

5. A drop generator as claimed in claim 4, wherein:

the height of the first gap is greater than the height of the second gap.

6. A drop generator as claimed in claim 5, wherein:

the height of the first gap is 0.8-1.0 mm, and the height of the second gap is 0.1-0.5 mm.

7. A drop generator as claimed in claim 3, wherein:

the generater includes at least two the installation department, every the installation department all corresponds and is provided with one connecting portion, at least two the installation department is through setting up rather than the one-to-one connecting portion interval set up in the surface of main part, the mounting hole be equipped with the installation department one-to-one at least two the mounting groove.

8. A drop generator according to any one of claims 1 to 7, wherein:

the shell is provided with a guide inclined plane at the outlet of the liquid outlet hole in a surrounding manner, and the guide inclined plane is used for guiding liquid drops to drop downwards.

9. A drop generator as claimed in claim 8, wherein:

the inclination angle of the guide slope is an acute angle.

10. A rainfall measurement device, comprising:

a drop generator as claimed in any one of claims 1 to 9;