CN110559585A - Water collector and fire-fighting robot thereof - Google Patents
Water collector and fire-fighting robot thereof Download PDFInfo
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- CN110559585A CN110559585A CN201910662654.3A CN201910662654A CN110559585A CN 110559585 A CN110559585 A CN 110559585A CN 201910662654 A CN201910662654 A CN 201910662654A CN 110559585 A CN110559585 A CN 110559585A
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- water collector
- fluid
- shell
- turning plate
- branch pipe
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of fire fighting equipment, in particular to a water collector and a fire fighting robot thereof. A water collector comprises a shell and a plurality of branch pipes, wherein the branch pipes are respectively arranged on the shell and are communicated with the interior of the shell; the water collector is characterized by further comprising a turning plate, one end of the turning plate is mounted on the inner wall of the shell, the other end of the turning plate can seal one of the branch pipes, and the side face, facing the branch pipe, of the turning plate is provided with a breast convex texture or a hole texture. The invention further provides a fire-fighting robot, and the fire-fighting robot comprises the water collector. The invention has the advantages that: the on-way resistance of the fluid can be reduced, the turbulence characteristic after the fluid is collected is reduced, the laminar flow characteristic is increased, and the loss of the kinetic energy of the fluid is reduced.
Description
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a water collector and a fire fighting robot thereof.
Background
The water collector is a pipe fitting for collecting liquid in a plurality of small-diameter pipes into a large-diameter pipe, and is commonly used in urban water supply and drainage engineering, floor heating systems and fire-fighting engineering. The water collector of the fire-fighting robot has the main function of intensively supplying pressure water in a plurality of fire hoses into the fire-fighting robot.
The water collector is a place where water flow is concentrated and is also a place where pressure loss is maximum. The internal flow channel of the existing water collector is not optimally designed, the fluid pressure cannot be effectively ensured, and when fluid is collected in the water collector, the energy loss is large, so that the range of the robot is seriously influenced.
Disclosure of Invention
In view of the above, there is a need to provide a water collector and a fire-fighting robot thereof, which can reduce energy loss during fluid collection, effectively maintain fluid pressure, and improve the range of the robot.
In order to achieve the purpose, the invention adopts the following technical scheme:
A water collector comprises a shell and a plurality of branch pipes, wherein the branch pipes are respectively arranged on the shell and are communicated with the interior of the shell; the water collector further comprises a turning plate arranged along the axis of the shell, one end of the turning plate is installed on the inner wall of the shell, the other end of the turning plate can seal one of the branch pipes, and the side, facing the branch pipe, of the turning plate is provided with a breast protruding texture or a hole texture.
in the present application, the surface capacity of the flap is increased by providing a mastoid texture or a hole texture on the side of the flap to reduce the on-way resistance of the fluid at the flap.
In one embodiment, one end of the turning plate is hinged to the inner wall of the shell, the other end of the turning plate is arranged close to the outlet of the shell, and the turning plate can rotate in the shell so that the other end of the turning plate seals one of the branch pipes.
The other end of the turning plate is arranged close to the outlet of the shell, so that the collision and collection of the fluid in the branch pipes are at the position close to the outlet of the shell, namely the collision angle of the fluid is reduced, the turbulence characteristic after the water flow is collected is reduced, the laminar flow characteristic is increased, and the loss of kinetic energy is effectively reduced.
In one embodiment, the mastoid texture comprises a plurality of spaced mastoids;
Or the hole texture comprises a plurality of counter bores which are arranged on the side surface of the turning plate and are arranged at intervals.
In one embodiment, the diameter of the mastoid is D, the height of the mastoid is h, D is more than or equal to 15 mu m and less than or equal to 45 mu m, and h is more than or equal to 70 mu m and less than or equal to 110 mu m.
In one embodiment, the distance between two adjacent breast bulges or counter bores is L, and L is more than or equal to 30 mu m and less than or equal to 60 mu m.
In one embodiment, two ends of the turning plate are respectively provided with a sealing element, and the sealing elements are matched with the inner wall of the shell to correspondingly seal the branch pipe.
In one embodiment, the water collector further includes a water collecting pipe, the water collecting pipe is installed in the housing and is communicated with the interior of the housing, and the fluid in the plurality of branch pipes flows out of the water collecting pipe after being collected.
In one embodiment, the number of the branch pipes is two, the branch pipes are respectively a first branch pipe and a second branch pipe, the fluids in the first branch pipe and the second branch pipe collide with each other at the other end of the turning plate and converge, and the length of the turning plate is not less than the length of a connecting line of the axis of the shell and the intersection point of the central axes of the two branch pipes.
In one embodiment, the angle of impingement between the fluid in the first leg and the fluid in the second leg is less than 56 °.
In one embodiment, a quick-connection joint is arranged at one end of the branch pipe, which is far away from the water collecting pipe.
the clamping joint is convenient for the installation and the disassembly of the fire hose.
The invention also provides the following technical scheme:
A fire-fighting robot comprises a water collector, wherein the water collector adopts the water collector.
Compared with the prior art, the water collector has the advantages that the mastoid texture or the hole texture is arranged on the side face of the turning plate, so that the surface capacity of the turning plate is improved, the on-way resistance of fluid at the turning plate is reduced, the structure is simple, and the water collector has wide application prospect.
Drawings
FIG. 1 is a schematic structural view of a water collector provided by the present invention;
FIG. 2 is a cross-sectional view of one embodiment of a sump provided in the present invention;
Fig. 3 is a schematic view of the structure of the flap provided by the present invention.
In the figure, a water collector 100, a shell 10, a rotating shaft 11, a plurality of branch pipes 20, a first branch pipe 21, a second branch pipe 22, a turning plate 30, a nipple texture 31, a sealing element 32 and a water collecting pipe 40 are shown.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the present invention provides a sump 100, and the sump 100 may be applied to a fire fighting robot, a drain pipe, or other places. In this embodiment, the sump 100 is installed in the fire fighting robot and collects fluid for the fire fighting robot to perform fire fighting work.
specifically, as shown in fig. 2, the water collector 100 includes a housing 10, a plurality of branch pipes 20 and a turning plate 30, wherein the plurality of branch pipes 20 are respectively installed in the housing 10 and are communicated with the inside of the housing 10; the turning plate 30 is arranged along the axis of the housing 10, one end of the turning plate 30 is mounted on the inner wall of the housing 10, the other end of the turning plate 30 can seal one of the branch pipes 20, and the side of the turning plate 30 facing the branch pipe 20 is provided with a mastoid texture or a hole texture. It can be understood that by providing the mastoid texture 31 or the hole texture (not shown) on the side of the flap 30, the surface capacity of the flap 30 is improved, and the viscous resistance between the water flow and the side of the flap 30 is significantly reduced; furthermore, when the fluid in the branch pipe 20 impacts the flap 30, the friction between the water flow and the side surface of the flap 30 can be reduced, so that the loss of the kinetic energy of the fluid is reduced.
The branch pipes 20 are used for connecting a water hose, the number of the branch pipes 20 is 2, and the 2 branch pipes 20 are symmetrically arranged on the shell 10. The 2 branch pipes 20 and the housing 10 form a water collector 100 with a cross section of "Y". Of course, in other embodiments, the number of the branch pipes 20 may be other, such as 3, 4, which is not exhaustive here.
Further, the 2 branch pipes 20 are respectively a first branch pipe 21 and a second branch pipe 22, the fluids in the first branch pipe 21 and the second branch pipe 22 collide and converge at the other end of the flap 30, the collision angle between the fluid in the first branch pipe 21 and the fluid in the second branch pipe 22 is β, and β is less than 56 °.
The fluid impinging angle β in 2 legs 20 of the existing manifold 10 is greater than or equal to 56 degrees. When the water flow is converged, the larger the collision angle is (the stronger the impact between the two is), the more the kinetic energy is lost. It can be understood that, in the present embodiment, when the fluid in the first branch pipe 21 and the fluid in the second branch pipe 22 converge, the collision angle β is smaller than 56 °, that is, the collision angle when the fluids converge is reduced, so that the turbulent flow characteristic after the water flow converges is reduced, the laminar flow characteristic is increased, and the loss of kinetic energy is effectively reduced.
Optionally, the collision angle β between the fluid in the first branch pipe 21 and the fluid in the second branch pipe 22 is 45 ° ≦ β ≦ 56 °.
In one embodiment, the collision angle β between the fluid in the first branch tube 21 and the fluid in the second branch tube 22 may be 48 °, 49 °, 50 °, 51 °, 52 °, 53 °, and so on.
Preferably, the collision angle β between the fluid in the first branch pipe 21 and the fluid in the second branch pipe 22 is 51 °.
The end of the flap 30, which is far away from the end connected with the housing 10, is extended to the outlet of the housing 10, that is, the length of the flap 30 along the axial direction of the housing 10 is 1/2 of the entire length of the housing 10, so that the intersection point of the fluid confluence in the first branch pipe 21 and the second branch pipe 22 is moved closer to the outlet of the housing 10, that is, the impact angle of the fluid confluence in the first branch pipe 21 and the second branch pipe 22 is reduced.
Further, the length of the flap 30 is not less than the length of the connection line between the intersection point of the rotating shaft and the central axis of the two branch pipes, even if the intersection point of the fluid confluence in the first branch pipe 21 and the second branch pipe 22 moves to be close to the outlet of the housing 10. It is understood that the length of the flap 30, i.e. the length of the flap 30 in the axial direction of the housing 10.
Preferably, the length of the flap 30 is at least 2/3 of the entire length of the housing 10.
Further, the flap 30 has an extension (not shown) at its end connected to the housing 10, said extension extending along the axis of the housing 10 to the outlet of said housing 10.
Preferably, the length of the extension is d, in the range: d is more than or equal to 30mm and less than or equal to 60 mm. It will be appreciated that the diameter of the mastoid may be selected to be 30mm, 35mm, 40mm, 45mm, 50mm, 55mm or 60mm, and of course, the diameter is not limited to the above values.
The two ends of the turning plate 30 are respectively provided with a sealing element 32, the sealing element 32 at one end of the turning plate 30 is used for sealing a gap between the turning plate 30 and the inner wall of the shell 10, and the sealing element 32 at the other end of the turning plate 30 is used for sealing one of the branch pipes 20, so that when a single branch pipe 20 is used, fluid can be ensured not to leak from a quick-plugging port (branch pipe 20) of a non-water-connected belt; when used, the loss of fluid pressure can also be reduced.
In one embodiment, the cross section of the flap 30 is "I" shaped, the flap 30 is disposed along the axis of the housing 10, one end of the flap 30 is mounted on the inner wall of the housing 10, and the other end of the flap 30 is disposed near the outlet of the housing 10, and the flap 30 can rotate in the housing 10 to enable the sealing element 32 at the other end of the flap 30 to seal one of the branch pipes 20.
preferably, a hinge portion (not shown) is disposed on an inner wall of the housing 10, a rotating shaft 11 is mounted on the hinge portion, and the turning plate 30 is hinged to the rotating shaft 11, so as to realize the rotational connection between the turning plate 30 and the housing 10. Of course, in other embodiments, the flap 30 may be connected to the housing 10 in other ways.
It will be appreciated that the water collector 100 may be supplied with water in two channels under normal rescue conditions. Therefore, the water collector 100 is provided with a turning plate 30 with an I-shaped cross section, and under the action of water pressure on two sides, the turning plate 30 can be in a middle position to play a role in drainage. If the rescue time is insufficient, the turning plate 30 with the I-shaped cross section is rotated, and the sealing element 32 at the other end of the turning plate seals one branch pipe 20 to ensure that fluid cannot leak from the quick connection interface (the branch pipe 20) of the other non-water-connected belt.
Further, the mastoid texture 31 or the hole texture is formed by laser processing, and the mastoid texture 31 or the hole texture is a micro structure.
In one embodiment, as shown in fig. 3, the mastoid texture 31 includes a plurality of spaced-apart mastoids; the diameter of the breast bump is D, the height of the breast bump is h, D is more than or equal to 15 mu m and less than or equal to 45 mu m, and h is more than or equal to 70 mu m and less than or equal to 110 mu m. It is understood that the diameter of the mastoid may be selected to be 15 μm, 25 μm, 30 μm, 35 μm, 40 μm or 45 μm, etc., and the diameter is not limited to the above value. The height of the opal can be selected to be 70 μm, 80 μm, 85 μm, 90 μm, 95 μm, 100 μm or 110 μm, etc., although the height is not limited thereto.
Preferably, the 20 mu m-D is less than or equal to 30 mu m, and the 80 mu m-h is less than or equal to 100 mu m.
Further, the distance between two adjacent mastoids is L, and the range of L is: l is more than or equal to 30 mu m and less than or equal to 60 mu m. It is understood that the pitch may be selected to be 30 μm, 40 μm, 45 μm, 50 μm, or 60 μm in value. Of course, the spacing is not limited to the values selected above.
In another embodiment, the hole texture includes a plurality of counter bores spaced apart from and opening at the side of the flap 30.
Preferably, the diameter of the counter bore is D, and the range of the diameter of the counter bore is 15 mu m and less than or equal to D and less than or equal to 45 mu m. The diameter of the mastoid may be selected to be 15 μm, 25 μm, 30 μm, 35 μm, 40 μm or 45 μm, etc., although the diameter is not limited thereto.
Further, the distance between two adjacent counter bores is L, and the range of L is as follows: l is more than or equal to 30 mu m and less than or equal to 60 mu m. It is understood that the pitch may be selected to be 30 μm, 40 μm, 45 μm, 50 μm, or 60 μm in value. Of course, the spacing is not limited to the values selected above.
As shown in fig. 2, the water collector 100 further includes a water collecting pipe 40, the water collecting pipe 40 is used for connecting fire fighting equipment, the water collecting pipe 40 is installed at the outlet of the housing 10 and is communicated with the interior of the housing 10, and the fluid in the first branch pipe 21 and the fluid in the second branch pipe 22 flow out of the water collecting pipe 40 after being converged at the outlet of the housing 10.
In the present embodiment, in order to verify the performance of the water collector 100 in the present embodiment, the water collector 100 in the present embodiment and a conventional water collector are subjected to fluid dynamic simulation:
(1) comparing the flow rates of the water streams
the flow rate of water at the inlet is: 2m/s
The traditional water collector:
Sampling the flow rate of water flow at the outlet of the traditional water collector: 1.33738m/s, 2.19101m/s, 2.3757m/s, 2.41964m/s, 2.48868m/s, 2.48174m/s, 2.41555m/s, 2.37453m/s, 2.19841m/s, 1.33802 m/s; the weighted average of the flow velocities at the ports calculated from above is: 2.162066 m/s.
Water collector 100 in this embodiment:
Flow rate of water flow at the outlet of the water collector 100 in the sampling example: 1.53726m/s, 2.39472m/s, 2.57621m/s, 2.61823m/s, 2.68127m/s, 2.68361m/s, 2.61971m/s, 2.57318m/s, 2.39015m/s, 1.53409 m/s; the weighted average of the flow velocities at the ports calculated from above is: 2.360843 m/s.
From the above, the average outlet velocity of the water collector 100 is 2.360843m/s, the average outlet velocity of the conventional water collector is 2.162066m/s, and the water flow velocity loss of the water collector 100 can be reduced by at least 9.26%.
(2) Pressure of contrast water flow
The pressure of the water stream at the inlet is 1000000 Pa:
The traditional water collector:
Sampling the pressure of the water flow at the outlet of the traditional water collector: 975667Pa, 993506Pa, 1002119Pa, 1001388Pa, 1018908Pa, 1018753Pa, 1006773Pa, 1002426Pa, 994441Pa, 973223 Pa; the weighted average of the pressure of the water flow at the port is calculated from above as: 9987204 Pa.
Water collector 100 in this embodiment:
Pressure of water flow at the outlet of the water collector 100 in the sampling example: 993019Pa, 1009203Pa, 1019283Pa, 1025226Pa, 1035696Pa, 1031472Pa, 1024858Pa, 1018617Pa, 1008978Pa, 992173 Pa; the weighted average of the pressure of the water flow at the upper calculation port is: 10158525 Pa.
From the above, the average outlet pressure of the water collector 100 is 10158525Pa, the average outlet pressure of the traditional water collector is 9987204Pa, and the average outlet pressure of the water collector 100 can be effectively increased by at least 1.72%.
In view of the flow characteristics of the fluid in the water collector 100, compared with the conventional water collector, the water collector 100 has the advantages that the speed distribution and the pressure distribution are obviously improved, and the turbulence characteristics of the fluid are also obviously improved compared with the conventional water collector.
the present invention also provides a fire fighting robot (not shown) including a vehicle body, an image collecting structure, a water collector 30, and a spraying structure, etc. The image acquisition structure, the water collector and the spraying structure are all arranged on the vehicle body. The structure of the water collector 30 can be referred to the previous description in this embodiment, and thus, the description thereof is not repeated.
It can be understood that the flow characteristics of the fluid when the fluids are merged are significantly improved by the water collector 30, the loss of kinetic energy is reduced, and the jet velocity and the water pressure utilization efficiency are improved.
the technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. a water collector comprises a shell (10) and a plurality of branch pipes (20), wherein the branch pipes (20) are respectively arranged on the shell (10) and are communicated with the interior of the shell (10); the novel water collector is characterized by further comprising a turning plate (30) arranged along the axis of the shell (10), one end of the turning plate (30) is movably mounted on the inner wall of the shell (10), the other end of the turning plate can seal one of the branch pipes (20), and the side face, facing the branch pipe (20), of the turning plate (30) is provided with a breast protruding texture (31) or a hole texture.
2. The water collector according to claim 1, characterized in that the flap (30) is hinged at one end to the inner wall of the housing (10) and at the other end is arranged close to the outlet of the housing (10), the flap (30) being rotatable within the housing (10) such that the other end of the flap (30) seals one of the branch pipes (20).
3. a water collector according to claim 1, wherein the mastoid texture (31) comprises a plurality of spaced mastoids;
Or the hole texture comprises a plurality of counter bores which are arranged on the side surface of the turning plate (30) at intervals.
4. The water collector of claim 3, wherein the mastoid has a diameter D and a height h, and has a diameter D of 15 μm or less and a height D of 45 μm or less, and a diameter h of 70 μm or less and a height h of 110 μm or less.
5. The water collector of claim 4, wherein the distance between two adjacent breast protrusions or counter bores is L, and L is more than or equal to 30 μm and less than or equal to 60 μm.
6. The water collector according to claim 1, characterized in that both ends of the flap (30) are respectively provided with a sealing member (32), and the sealing members (32) are matched with the inner wall of the shell (10) to correspondingly seal the branch pipe (20).
7. The collector of claim 1, further comprising a collector pipe (40), wherein the collector pipe (40) is mounted to the housing (10) and communicates with the interior of the housing (10), and wherein the fluid in the plurality of branch pipes (20) flows out of the collector pipe (40) after being collected.
8. The water collector according to claim 1, wherein the number of the branch pipes (20) is two, and the branch pipes are respectively a first branch pipe (21) and a second branch pipe (22), the fluid in the first branch pipe (20) and the fluid in the second branch pipe (20) collide with each other at the other end of the flap (30) and flow together, and the length of the flap (30) is not less than the length of a connecting line of the axis of the shell (10) and the intersection point of the central axes of the two branch pipes (20).
9. a water collector according to claim 8, characterized in that the angle of collision between the fluid in the first branch pipe (20) and the fluid in the second branch pipe (20) is less than 56 °.
10. A fire fighting robot, characterized in that it comprises a water collector, said water collector employing a water collector according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662654.3A CN110559585A (en) | 2019-07-22 | 2019-07-22 | Water collector and fire-fighting robot thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910662654.3A CN110559585A (en) | 2019-07-22 | 2019-07-22 | Water collector and fire-fighting robot thereof |
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| CN110559585A true CN110559585A (en) | 2019-12-13 |
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