CN213338025U - Radar flow sensor - Google Patents
Radar flow sensor Download PDFInfo
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- CN213338025U CN213338025U CN202022438178.8U CN202022438178U CN213338025U CN 213338025 U CN213338025 U CN 213338025U CN 202022438178 U CN202022438178 U CN 202022438178U CN 213338025 U CN213338025 U CN 213338025U
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- hollow pipe
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Abstract
The utility model discloses a radar flow sensor, which comprises a shell, a radar ranging module and a radar speed measuring module; the shell is rectangular, a tangent plane inclined to the horizontal direction is arranged at the lower part of the shell, and mounting cavities are formed in the bottom wall of the shell and the side wall of the tangent plane; radar range finding module inlays in the installation cavity of diapire to and radar speed measuring module inlay in the installation cavity of tangent plane lateral wall, and the opening of every installation cavity all is equipped with and is used for sealed baffle, and then makes radar range finding module parallel with the diapire and radar speed measuring module parallel with the tangent plane. The utility model discloses combined module and the range finding module of testing the speed, realized the on-line monitoring of water flow.
Description
Technical Field
The utility model relates to a sensor technical field, concretely relates to radar flow sensor.
Background
The water flow sensor is a water flow sensing instrument which outputs pulse signals or signals of current, voltage and the like by sensing water flow, the output of the signals and the water flow form a certain linear proportion, and a corresponding conversion formula and a comparison curve are provided, so that the water flow sensor can be used for management and flow calculation in the aspect of water control, and can be matched with a transducer in the aspect of heating power to measure the loss of medium energy in a period of time, such as a heat meter. The above is a contact sensor, but non-contact measurement cannot be achieved.
In order to realize non-contact measurement, radar flow velocity sensors are increasingly prevalent, which measure the flow velocity of a body of water in a non-contact manner by means of microwave technology. Because the device is not influenced by water body sediments, weeds, temperature and the like, the device can be widely used for monitoring the flow velocity of drainage pipe networks, rivers, reservoirs, water gates, spillways, spillway dams, irrigation ditches and the like on line. However, the existing radar flow rate device only has the function of measuring speed, and the function is single, so that the requirements of distance measurement, flow calculation and the like cannot be met. In addition, the radar speedometer realizes signal transmission through a special data line and processing equipment, and the radar speedometer needs to be fixed by a mounting bracket. But the conventional installation can not be carried out in narrow or installation limited places, and the installation work is difficult because of no proper installation bracket.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model combines a speed measuring module and a distance measuring module to realize the on-line monitoring of the water flow, and the utility model provides a radar flow sensor which comprises a shell, a radar distance measuring module and a radar speed measuring module; the shell is rectangular, a tangent plane inclined to the horizontal direction is arranged at the lower part of the shell, and mounting cavities are formed in the bottom wall of the shell and the side wall of the tangent plane; radar range finding module inlays in the installation cavity of diapire to and radar speed measuring module inlay in the installation cavity of tangent plane lateral wall, and the opening of every installation cavity all is equipped with and is used for sealed baffle, and then makes radar range finding module parallel with the diapire and radar speed measuring module parallel with the tangent plane.
The beneficial effects of the utility model are embodied in:
the shell is fixed at a position above the water surface, and the radar ranging module is perpendicular to the water surface and used for measuring the water level. The radar speed measuring module forms a certain included angle with the water surface and is used for measuring the flowing water speed. The device highly integrates double-radar water level flow velocity measurement, can calculate the flow and the accumulated flow of a cross section by utilizing a hydraulic formula, also supports parameters such as edge calculation, real-time output flow velocity, water level, instantaneous flow and the like, and is very suitable for monitoring the parameters of fluid on line. Can measure the extremely low flow velocity below two 0.1m/s, has ultra-low power consumption, and is economical and applicable.
Preferably, the cross-sectional shape of the housing is a right trapezoid with the cut surface facing downward.
Preferably, the housing comprises a first housing and a second housing; the first shell is covered on the second shell, and an inner cavity is formed between the first shell and the second shell.
Preferably, the first housing and the second housing are detachably connected by bolts or screws.
The radar speed measuring module and the radar ranging module are fixed in the corresponding inner cavities, only the testing end is exposed, the rest parts are sealed in the inner cavities, damage caused by contact with foreign objects is avoided, and the protection level is high.
Preferably, the system further comprises a connector electrically connected with the radar ranging module and the radar speed measuring module respectively; the joint is inlaid in the top wall of the shell, and the connecting end of the joint is exposed.
Preferably, the outer side surface of the top wall is provided with an annular groove, and the joint is positioned at the inner side of the annular groove;
also comprises a hollow pipe; the lower end of the hollow pipe is matched with the annular groove, the locking component is arranged at the lower end of the hollow pipe, the lower end of the hollow pipe is inserted into the annular groove and locked by the locking component, and then the hollow pipe is connected with the shell.
The narrow or installation limited place can't carry out conventional installation, under the unable applicable circumstances of installing support, can utilize the fixed casing of hollow tube. The shell can be fixed on the water surface only by fixing the upper end of the hollow pipe, so that the installation by using an installation support is avoided, and the installation requirements and the requirements on the environment are reduced. In addition, the cable can walk the center of hollow tube and arrange the line, and the installation labour saving and time saving.
Preferably, the locking assembly comprises a push rod and a spring pin; a vertical sliding chute is arranged in the side wall of the hollow pipe, the upper end and the lower end of the sliding chute extend in the radial direction and are communicated with the outside of the hollow pipe, and then openings are formed at the upper end and the lower end of the sliding chute; the push rod is connected in the sliding groove in a sliding mode, the spring pin is installed in an opening at the lower end of the sliding groove, and the inward end of the spring pin is in contact with the lower end of the push rod; the side wall of the annular groove is provided with a positioning hole corresponding to the spring pin, and the push rod moves downwards and extrudes the spring pin to extend into the positioning hole so as to lock the hollow pipe and the shell.
Preferably, the locking assembly is provided in plurality; the locking assemblies are uniformly distributed along the circumferential direction of the hollow pipe, the side wall of the annular groove is provided with a plurality of positioning holes, and the locking assemblies correspond to the positioning holes one to one.
Preferably, the upper end of each push rod is rotatably connected with a shifting block; an opening at the upper end of each sliding chute is provided with an L-shaped clamping groove; every draw-in groove all is equipped with an unblock screens and a locking screens, the shifting block drives the push rod that corresponds and slides down and the shifting block goes into from unblock screens card locking screens in, and then makes push rod extrusion spring catch stretch out and keep the extrusion state.
Hollow tube installation operation: the cable penetrates out of the center of the hollow pipe, then the lower end of the hollow pipe is inserted into the annular groove, finally all the shifting blocks are shifted to be clamped into the locking clamping position from the unlocking clamping position, the shifting blocks press the push rod downwards in the shifting process, the lower end of the push rod and the contact end of the spring pin are inclined planes, and the two inclined planes are in contact all the time. The inclined surface of the push rod presses the inclined surface of the spring pin, thereby extruding the spring pin. The spring pins are extruded out of the corresponding positioning holes, and the hollow pipes are clamped in the annular grooves to complete the connection of the hollow pipes and the shell. Otherwise, all the shifting blocks are shifted to be clamped into the unlocking screens from the locking screens, the push rod moves upwards, the spring pins return to the lower end openings of the sliding grooves under the action of the springs, and the hollow pipes are unlocked. The whole dismounting process is very simple, quick mounting and dismounting can be realized, and the mounting efficiency is improved.
Preferably, the inner side wall of the hollow pipe is provided with a step which is contacted with the joint.
After the step is contacted with the joint, the hollow pipe is inserted in place, and the spring pin just faces the corresponding positioning hole. The step plays a role in determining an installation station in the installation process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a schematic structural diagram of the present embodiment;
FIG. 2 is a bottom view of FIG. 1;
FIG. 3 is a perspective view of FIG. 1;
FIG. 4 is a cross-sectional view A-A of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is an enlarged view at B in FIG. 5;
fig. 7 is a schematic structural view of the hollow tube in this embodiment.
In the attached drawing, a shell 1, a radar ranging module 2, a radar speed measuring module 3, a tangent plane 4, a first shell 5, a second shell 6, a mounting cavity 7, a baffle 8, a joint 9, an annular groove 10, a hollow tube 11, a positioning hole 12, a push rod 13, a spring pin 14, a sliding groove 15, an opening 16, an unlocking clamping position 17, a locking clamping position 18 and a shifting block 19.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1 to 4, the present embodiment provides a radar flow sensor, which includes a casing 1, a radar ranging module 2 and a radar speed measuring module 3, wherein the casing 1 is rectangular and a lower portion of the casing 1 is provided with a tangent plane 4 inclined to the horizontal direction. Specifically, the cross-sectional shape of the housing 1 is a right trapezoid with the cut surface 4 facing downward. The housing 1 comprises a first housing 5 and a second housing 6; the first housing 5 is covered on the second housing 6, and an inner cavity is formed between the first housing 5 and the second housing 6. The first housing 5 and the second housing 6 are detachably connected by bolts or screws.
The diapire of casing 1 and the lateral wall of tangent plane 4 all are equipped with installation cavity 7, radar ranging module 2 inlays in installation cavity 7 of diapire to and radar speed measuring module 3 inlay in installation cavity 7 of 4 lateral walls of tangent plane, and the opening 16 of every installation cavity 7 all is equipped with and is used for sealed baffle 8, and then makes radar ranging module 2 parallel with the diapire and radar speed measuring module 3 parallel with tangent plane 4. The radar speed measuring module 3 and the radar ranging module 2 are fixed in corresponding inner cavities, only the testing end is exposed, the rest parts are sealed in the inner cavities, damage caused by contact with foreign objects is avoided, and the protection level is high. The shell 1 is fixed at a position above the water surface, and the radar ranging module 2 is perpendicular to the water surface and used for measuring the water level. The radar speed measuring module 3 forms a certain included angle with the water surface and is used for measuring the flowing water speed. The device highly integrates double-radar water level flow velocity measurement, can calculate the flow and the accumulated flow of a cross section by utilizing a hydraulic formula, also supports parameters such as edge calculation, real-time output flow velocity, water level, instantaneous flow and the like, and is very suitable for monitoring the parameters of fluid on line. Can measure the extremely low flow velocity below two 0.1m/s, has ultra-low power consumption, and is economical and applicable.
As shown in fig. 5 to 7, in order to facilitate installation in a narrow or installation-limited place, the present embodiment further includes a connector 9 electrically connected to the radar ranging module 2 and the radar speed measuring module 3, respectively, where the connector 9 is embedded in the top wall of the housing 1 and a connection end of the connector 9 is exposed. An annular groove 10 is formed in the outer side face of the top wall, and the joint 9 is located on the inner side of the annular groove 10; also comprises a hollow pipe 11; the lower end of the hollow pipe 11 is matched with the annular groove 10, the lower end of the hollow pipe 11 is provided with a locking assembly, the lower end of the hollow pipe 11 is inserted into the annular groove 10 and locked by the locking assembly, and then the hollow pipe 11 is connected with the shell 1.
Further, the locking assembly comprises a push rod 13 and a spring pin 14; a vertical sliding groove 15 is formed in the side wall of the hollow tube 11, the upper end and the lower end of the sliding groove 15 extend in the radial direction and are communicated with the outside of the hollow tube 11, and an opening 16 is formed at the upper end and the lower end of the sliding groove 15; the push rod 13 is slidably connected in a sliding slot 15, the spring pin 14 is mounted in an opening 16 at the lower end of the sliding slot 15 and one inward end of the spring pin 14 is in contact with the lower end of the push rod 13. Specifically, the opening 16 is a circular hole, the return spring of the spring pin 14 is clamped at the opening 16, and the center line of the spring pin 14 coincides with the center line of the opening 16. The spring pin 14 is pushed out and then returns to its original position, i.e., is retracted into the opening 16, by the elastic force of the return spring. The side wall of the annular groove 10 is provided with a positioning hole 12 corresponding to the spring pin 14, and the push rod 13 moves downwards and extrudes the spring pin 14 to extend into the positioning hole 12, so that the hollow pipe 11 is locked with the shell 1. The number of the locking assemblies is four; the four locking assemblies are uniformly distributed along the circumferential direction of the hollow pipe 11, the side wall of the annular groove 10 is provided with four positioning holes 12, and the four locking assemblies correspond to the four positioning holes 12 one by one. The upper end of each push rod 13 is rotatably connected with a shifting block 19, specifically, the cross section of each push rod 13 is circular, the shifting block 19 is provided with a counter bore, and the upper end of each push rod 13 is inserted into the counter bore so as to rotatably connect the push rod 13 with the shifting block 19. The shift block 19 needs to be rotated about the push rod 13 when switching between the unlocking detent 17 and the locking detent 18, without the push rod 13 itself rotating. An opening 16 at the upper end of each sliding chute 15 is provided with an L-shaped clamping groove; each clamping groove is provided with an unlocking clamping position 17 and a locking clamping position 18, the shifting block 19 drives the corresponding push rod 13 to slide downwards, the shifting block 19 is clamped into the locking clamping position 18 from the unlocking clamping position 17, and then the push rod 13 extrudes the spring pin 14 to extend out and keep an extruding state. 11 installation operation of the hollow pipe: the cable penetrates out of the center of the hollow tube 11, then the lower end of the hollow tube 11 is inserted into the annular groove 10, finally all the shifting blocks 19 are shifted to be clamped into the locking clamping positions 18 from the unlocking clamping positions 17, the shifting blocks 19 press the push rod 13 downwards in the shifting process, the contact ends of the lower end of the push rod 13 and the spring pin 14 are inclined planes, and the two inclined planes are in contact all the time. The inclined surface of the push rod 13 presses the inclined surface of the spring pin 14, thereby extruding the spring pin 14. The spring pins 14 are extruded out of the corresponding positioning holes 12, so that the hollow pipe 11 is clamped in the annular groove 10, and the connection of the hollow pipe 11 and the shell 1 is completed. Conversely, all the shifting blocks 19 are shifted to be clamped into the unlocking screens 17 from the locking screens 18, the push rod 13 moves upwards, the spring pins 14 are retracted into the lower end openings 16 of the sliding grooves 15 under the action of the springs, and the hollow pipes 11 are unlocked. The whole dismounting process is very simple, quick mounting and dismounting can be realized, and the mounting efficiency is improved. And in the installation process, the inner side wall of the hollow pipe 11 is provided with a step which is contacted with the joint 9. After the step is contacted with the joint 9, the hollow tube 11 is inserted in place, and the spring pin 14 just faces the corresponding positioning hole 12. The step plays a role in determining an installation station in the installation process.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (10)
1. A radar flow sensor, characterized by: the radar ranging device comprises a shell, a radar ranging module and a radar speed measuring module; the shell is rectangular, a tangent plane inclined to the horizontal direction is arranged at the lower part of the shell, and mounting cavities are formed in the bottom wall of the shell and the side wall of the tangent plane; radar range finding module inlays in the installation cavity of diapire to and radar speed measuring module inlay in the installation cavity of tangent plane lateral wall, and the opening of every installation cavity all is equipped with and is used for sealed baffle, and then makes radar range finding module parallel with the diapire and radar speed measuring module parallel with the tangent plane.
2. The radar flow sensor of claim 1, wherein: the cross section of the shell is in a right trapezoid shape, and the section faces downwards.
3. The radar flow sensor of claim 1, wherein: the housing comprises a first housing and a second housing; the first shell is covered on the second shell, and an inner cavity is formed between the first shell and the second shell.
4. The radar flow sensor of claim 3, wherein: the first shell and the second shell are detachably connected through bolts or screws.
5. The radar flow sensor of claim 1, wherein: the connector is electrically connected with the radar ranging module and the radar speed measuring module respectively; the joint is inlaid in the top wall of the shell, and the connecting end of the joint is exposed.
6. The radar flow sensor of claim 5, wherein: the outer side surface of the top wall is provided with an annular groove, and the joint is positioned on the inner side of the annular groove;
also comprises a hollow pipe; the lower end of the hollow pipe is matched with the annular groove, the locking component is arranged at the lower end of the hollow pipe, the lower end of the hollow pipe is inserted into the annular groove and locked by the locking component, and then the hollow pipe is connected with the shell.
7. The radar flow sensor of claim 6, wherein: the locking assembly comprises a push rod and a spring pin; a vertical sliding chute is arranged in the side wall of the hollow pipe, the upper end and the lower end of the sliding chute extend in the radial direction and are communicated with the outside of the hollow pipe, and then openings are formed at the upper end and the lower end of the sliding chute; the push rod is connected in the sliding groove in a sliding mode, the spring pin is installed in an opening at the lower end of the sliding groove, and the inward end of the spring pin is in contact with the lower end of the push rod; the side wall of the annular groove is provided with a positioning hole corresponding to the spring pin, and the push rod moves downwards and extrudes the spring pin to extend into the positioning hole so as to lock the hollow pipe and the shell.
8. The radar flow sensor of claim 7, wherein: a plurality of locking assemblies are arranged; the locking assemblies are uniformly distributed along the circumferential direction of the hollow pipe, the side wall of the annular groove is provided with a plurality of positioning holes, and the locking assemblies correspond to the positioning holes one to one.
9. The radar flow sensor of claim 8, wherein: the upper end of each push rod is rotatably connected with a shifting block; an opening at the upper end of each sliding chute is provided with an L-shaped clamping groove; every draw-in groove all is equipped with an unblock screens and a locking screens, the shifting block drives the push rod that corresponds and slides down and the shifting block goes into from unblock screens card locking screens in, and then makes push rod extrusion spring catch stretch out and keep the extrusion state.
10. The radar flow sensor of claim 6, wherein: the inner side wall of the hollow pipe is provided with a step which is contacted with the joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022438178.8U CN213338025U (en) | 2020-10-28 | 2020-10-28 | Radar flow sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022438178.8U CN213338025U (en) | 2020-10-28 | 2020-10-28 | Radar flow sensor |
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| CN213338025U true CN213338025U (en) | 2021-06-01 |
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| CN202022438178.8U Active CN213338025U (en) | 2020-10-28 | 2020-10-28 | Radar flow sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532590A (en) * | 2021-07-08 | 2021-10-22 | 无锡航征科技有限公司 | High and small-size drainage radar flowmeter of accuracy |
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- 2020-10-28 CN CN202022438178.8U patent/CN213338025U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532590A (en) * | 2021-07-08 | 2021-10-22 | 无锡航征科技有限公司 | High and small-size drainage radar flowmeter of accuracy |
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