CN220556335U - Target flowmeter for air conditioner water pipe - Google Patents
Target flowmeter for air conditioner water pipe Download PDFInfo
- Publication number
- CN220556335U CN220556335U CN202322285137.3U CN202322285137U CN220556335U CN 220556335 U CN220556335 U CN 220556335U CN 202322285137 U CN202322285137 U CN 202322285137U CN 220556335 U CN220556335 U CN 220556335U
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- Prior art keywords
- aluminum alloy
- alloy probe
- target
- mounting frame
- cavity
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 52
- 239000000523 sample Substances 0.000 claims abstract description 50
- 238000013016 damping Methods 0.000 claims description 14
- RVCKCEDKBVEEHL-UHFFFAOYSA-N 2,3,4,5,6-pentachlorobenzyl alcohol Chemical compound OCC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl RVCKCEDKBVEEHL-UHFFFAOYSA-N 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 abstract description 4
- 230000005291 magnetic effect Effects 0.000 description 7
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a target type flowmeter for an air conditioner water pipe, which comprises a mounting frame, an aluminum alloy probe rod and a linear Hall sensor, wherein the upper end of the aluminum alloy probe rod is fixedly arranged in the mounting frame, the lower end of the aluminum alloy probe rod is arranged outside the mounting frame, a cavity is formed in the aluminum alloy probe rod, an opening of the cavity is formed in the upper end, a swing connecting rod is arranged at the bottom of the cavity towards the opening end, a permanent magnet mounting seat is arranged at one end, far away from the bottom of the cavity, of the swing connecting rod, a permanent magnet is mounted on the permanent magnet mounting seat, a target head is arranged at the lower end of the aluminum alloy probe rod, and the measuring precision is improved by adopting a measuring mode of converting a strain degree into an electric signal, and the aluminum alloy probe rod can be arranged in an air conditioner cooling water pipeline or directly in the cooling water pipeline in a semi-open mode.
Description
Technical Field
The utility model relates to the technical field of flow meters, in particular to a target type flow meter for an air conditioner water pipe.
Background
The present target flowmeter mainly comprises a target plate, a target rod, a sensor and a processing chip, wherein a measuring element of the target flow sensor is a circular target plate arranged in the center of a measuring tube, an annular flow area is formed between the target plate and a pipeline of the measuring tube, when fluid flows in the measuring tube, the target plate is impacted by the kinetic energy of the fluid, the target surface is stressed and generates corresponding displacement, the force or the displacement reflects the flow of the fluid, under the condition that the density, the pipeline diameter, the target diameter and the flow coefficient of the fluid to be measured are known, the acting force or the displacement of the target plate is measured, the target plate is transmitted to the sensor through the target rod and then the processing chip is calculated, and the flow of the fluid can be calculated.
A wide range target flowmeter is disclosed in chinese patent application No. 202121530978.0, the flowmeter comprising: a measuring device; the two ends of the shell are used for external connection, and the measuring device is arranged at the upper end of the middle part of the shell; the target assembly is fixedly arranged at the bottom end of the measuring device and is used for sensing and calculating the flow in the shell; the support assembly is arranged inside the shell and located under the target piece assembly, the support assembly comprises an elastic piece and a clamping block, the bottom of the target piece assembly is clamped in the middle of the top end of the clamping block, the bottom end of the clamping block is slidably arranged on the inner wall of the shell, and the elastic piece is fixedly connected between the clamping block and the shell. The target piece component of the target type flowmeter is complex in deflection, and the variation of the elastic piece is large, so that the target piece component cannot be suitable for small pipelines.
Disclosure of Invention
The utility model aims to:
the utility model provides a target flowmeter for an air conditioner water pipe, which is used for solving the problems existing in the prior art, abandoning a force measuring mode that a displacement signal of a traditional target sensor is converted into a force signal, improving the measuring precision by adopting a measuring mode that a strain degree is converted into an electric signal, amplifying a slight swing of an aluminum alloy probe rod by adopting a linear Hall sensor in a mode that the intensity of a permanent magnet magnetic field is measured, amplifying the tiny deformation quantity in the pipeline to the outside for measuring, and being capable of being arranged in an air conditioner cooling water pipeline in a semi-open mode or being directly arranged in the air conditioner cooling water pipeline.
In order to solve the problems, the utility model adopts the following technical scheme:
the utility model provides a target flowmeter for air conditioner water pipe, includes mounting bracket, aluminum alloy probe pole, linear hall sensor, the upper end fixed mounting of aluminum alloy probe pole is in the mounting bracket, and the lower extreme sets up outside the mounting bracket, and the inside of aluminum alloy probe pole is provided with the cavity, and the opening of cavity sets up the upper end at aluminum alloy probe pole, and the bottom of cavity is towards its open end fixedly connected with swing connecting rod, and the one end that the cavity bottom was kept away from to the swing connecting rod is fixed with the permanent magnet mount pad, installs the permanent magnet on the permanent magnet mount pad, and the lower extreme of aluminum alloy probe pole is provided with the target, linear hall sensor sets up the one end in permanent magnet swing direction, linear hall sensor is connected with PCBA circuit.
Preferably, the upper end of the swing connecting rod extends out of the cavity, and the length of the portion of the swing connecting rod extending out of the cavity is longer than that of the aluminum alloy probe rod.
Preferably, the mounting bracket comprises an upper mounting bracket, a lower mounting bracket, a circuit fixing support and an external protective shell, wherein the circuit fixing support is arranged in the upper mounting bracket, the external protective shell is fixedly sleeved on the upper mounting bracket, the upper mounting bracket is connected with the lower mounting bracket through a first fixing screw, an aluminum alloy probe rod is fixed on the lower mounting bracket, the upper end of a swing connecting rod extends into the upper mounting bracket, and a PCBA circuit is fixed on the circuit fixing support.
Preferably, the linear hall sensor is symmetrically provided with two linear hall sensors by taking the swing connecting rod as a central line.
Preferably, the target head is fixedly provided with a water flow damping plate, and the water flow damping plate is fixedly connected to the target head through a second fixing screw.
Preferably, the permanent magnet and the water flow damping plate are arranged in the middle of the axial section of the aluminum alloy probe rod.
Working principle: when water flows in the pipeline, a thrust force is generated on the water flow damping plate on the target head, the target head is arranged at the lower end of the aluminum alloy probe rod, the target head can drive the aluminum alloy probe rod to deform after being subjected to the water flow thrust force, the deformation of the aluminum alloy probe rod drives the swing connecting rod to generate certain deviation, the permanent magnet is arranged at the upper end of the swing connecting rod, the relative distance between the permanent magnet and the linear Hall sensor is changed to a certain extent due to the deviation of the swing connecting rod, the magnetic field intensity measured by the linear Hall sensor is changed, and then the changed magnetic field signal is converted into a flow signal of water flow through a chip on the PCBA circuit to be output.
The beneficial effects are that: compared with the prior art, the utility model has the following advantages:
the force measuring mode that traditional target sensor displacement signal conversion becomes force signal has been abandoned, through adopting the measurement mode that the degree of strain changes the signal of telecommunication, measurement accuracy has been improved, and the slight swing of aluminum alloy probe pole is enlargied through the mode of measuring permanent magnetism ferromagnetic field intensity through linear hall sensor, adopt this kind of structure, the little deflection of pipeline inside is enlarged to the outside and is measured, and adopt aluminum alloy probe pole to replace ordinary deformation material, have fine resilience and reset function, can reduce the deformation to two three millimeters, compact structure, can semi-open set up in air conditioner water pipe or direct set up in the air conditioner water pipe.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a rear view of the present utility model;
FIG. 4 is a left side view of the present utility model;
FIG. 5 is a right side view of the present utility model;
FIG. 6 is a top view of the present utility model
FIG. 7 is a bottom view of the present utility model;
FIG. 8 is a cross-sectional view of the utility model A-A;
FIG. 9 is a perspective view of the installation of the present utility model;
reference numerals illustrate:
1. a mounting frame; 11. an upper mounting rack; 12. a lower mounting rack; 13. a circuit fixing bracket; 14. an outer protective shell; 15. a first set screw; 2. an aluminum alloy probe rod; 3. a swing connecting rod; 4. a permanent magnet mounting base; 5. a permanent magnet; 6. a target head; 61. a water flow damping plate; 62. a second set screw; 7. a linear hall sensor; 8. PCBA circuit.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), unless otherwise indicated, may be replaced by alternative features serving the same, equivalent or similar purpose, i.e. each feature is one example only of a series of equivalent or similar features, unless expressly stated otherwise.
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
As shown in fig. 1-9, a target flowmeter for air-conditioning water pipes comprises a mounting frame 1, an aluminum alloy probe rod 2 and a linear hall sensor 7, wherein the upper end of the aluminum alloy probe rod 2 is fixedly arranged in the mounting frame 1, the lower end of the aluminum alloy probe rod is arranged outside the mounting frame 1, a cavity is formed in the aluminum alloy probe rod 2, an opening of the cavity is formed in the upper end of the aluminum alloy probe rod, the bottom of the cavity is fixedly connected with a swing connecting rod 3 towards the opening end of the cavity, one end, far away from the bottom of the cavity, of the swing connecting rod 3 is fixedly provided with a permanent magnet mounting seat 4, a permanent magnet 5 is mounted on the permanent magnet mounting seat 4, the lower end of the aluminum alloy probe rod 3 is provided with a target head 6, the linear hall sensor 7 is arranged at one end of the swing direction of the permanent magnet 5, the linear hall sensor 7 is connected with a PCBA circuit 8, an output chip is arranged on the PCBA circuit, and the linear hall sensor 7 detects the magnetic field intensity and converts the magnetic field intensity into flow signal output of water flow.
The aluminum alloy probe rod 3 is adopted to replace common deformation materials, has good rebound and resetting functions, can reduce deformation to two or three millimeters, has a compact structure, and can be semi-opened and arranged in an air conditioner water pipe or directly arranged in the air conditioner water pipe.
In this embodiment, mounting bracket 1 includes upper portion mounting bracket 11, lower part mounting bracket 12, circuit fixed bolster 13 and outside protecting crust 14, circuit fixed bolster 13 sets up in upper portion mounting bracket 11, outside protecting crust is fixed to be cup jointed on the upper portion mounting bracket, upper portion mounting bracket passes through screw 15 with the lower part mounting bracket and is connected, be provided with corresponding ring flange between upper portion mounting bracket and the lower part mounting bracket, fix two sets of ring flanges through first set screw 15, accomplish promptly and fixed between upper portion mounting bracket and the lower part mounting bracket, the aluminum alloy probe pole is fixed on the installing support down, the upper end of swing connecting rod stretches into in the installing support, PCBA circuit is fixed on the circuit fixed bolster, measure in amplifying the miniature deformation volume of pipeline inside target 6 to upper portion mounting bracket.
The linear Hall sensor with the structure has firm structure and small volume, is suitable for the small pipeline, and has high precision, good linearity and accurate measurement. The aluminum alloy probe rod 3 is made of aluminum alloy, and the aluminum alloy is used as one of the strain materials, so that the strength is high and the recovery performance is good.
The linear Hall sensors 7 are symmetrically arranged by taking the swing connecting rod 3 as a central line, and by adopting the structure, the output data of the two linear Hall sensors 7 can be averaged in the subsequent data processing process, the accuracy can be improved, and when one of the linear Hall sensors 7 is broken, the other one can continue outputting signals, and the fault tolerance is improved.
The target head 6 is fixedly provided with a water flow damping plate 61, and the water flow damping plate 61 is fixedly connected to the target head through a fixing screw 62. By adopting the structure, the contact area to water flow is improved, the deformation range of the aluminum alloy probe rod is controlled according to the size of the water flow damping plate 61, and the size of the water flow damping plate 61 can be adjusted according to the size of a detection pipeline, so that the aluminum alloy probe rod can be better applied to pipelines with different pipe diameters and can be better applied to small pipelines.
The permanent magnet 5 and the water flow damping plate 61 are arranged in the middle of the axial section of the aluminum alloy probe rod 2.
In another embodiment of the utility model, the upper end of the swing connecting rod 3 extends out of the cavity, and the length of the part of the swing connecting rod 3 extending out of the cavity is larger than that of the aluminum alloy probe rod 2. Because the upper end fixed mounting of aluminum alloy probe pole 2 is in mounting bracket 1, and target head 6 sets up the lower extreme at aluminum alloy probe pole, and the target head is after receiving the thrust of rivers, and aluminum alloy probe pole can take its upper end to carry out deformation as the fulcrum, and swing connecting rod 3 follows aluminum alloy probe pole and rotates, adopts this kind of structure, and the length that swing connecting rod 3 stretches out cavity part is longer, and the deformation of amplifying to aluminum alloy probe pole is more, can further improve final measuring result's accuracy, in the practical application, according to the whole size of this flowmeter extension swing connecting rod stretch out cavity part in the suitable scope can.
Working principle: when water flows in the pipeline, a thrust force is generated on the water flow damping plate 61 on the target head 6, the target head 6 is arranged at the lower end of the aluminum alloy probe rod 2, the target head 6 can drive the aluminum alloy probe rod 2 to deform after receiving the water flow thrust force, the deformation of the aluminum alloy probe rod 2 drives the swing connecting rod 3 to generate certain offset, the permanent magnet 5 is arranged at the upper end of the swing connecting rod 3, the relative distance between the permanent magnet 5 and the linear Hall sensor 7 is changed by the offset of the swing connecting rod 3, the magnetic field strength measured by the linear Hall sensor 7 is changed, and then the changed magnetic field signal is output and calculated through the PCBA circuit 8 to be converted into a flow signal of water flow.
The foregoing embodiments are provided for the purpose of exemplary reproduction and deduction of the technical solution of the present utility model, and are used for fully describing the technical solution, the purpose and the effects of the present utility model, and are used for enabling the public to understand the disclosure of the present utility model more thoroughly and comprehensively, and are not used for limiting the protection scope of the present utility model.
The above examples are also not an exhaustive list based on the utility model, and there may be a number of other embodiments not listed. Any substitutions and modifications made without departing from the spirit of the utility model are within the scope of the utility model.
Claims (6)
1. The utility model provides a target flowmeter for air conditioner water pipe which characterized in that: including mounting bracket (1), aluminum alloy probe pole (2), linear hall sensor (7), the upper end fixed mounting of aluminum alloy probe pole (2) is in mounting bracket (1), the lower extreme sets up outside mounting bracket (1), the inside of aluminum alloy probe pole (2) is provided with the cavity, the opening of cavity sets up the upper end at aluminum alloy probe pole, the bottom of cavity is towards its open end fixedly connected with swing connecting rod (3), the one end that cavity bottom was kept away from to swing connecting rod (3) is fixed with permanent magnet mount pad (4), install permanent magnet (5) on permanent magnet mount pad (4), the lower extreme of aluminum alloy probe pole (2) is provided with target (6), linear hall sensor (7) set up the one end in permanent magnet (5) swing direction, linear hall sensor (7) are connected with PCBA circuit (8).
2. The target flowmeter for air-conditioning water pipes as set forth in claim 1, wherein: the upper end of the swing connecting rod (3) extends out of the cavity, and the length of the portion, extending out of the cavity, of the swing connecting rod (3) is larger than that of the aluminum alloy probe rod (2).
3. The target flowmeter for air-conditioning water pipes as set forth in claim 1, wherein: the mounting frame (1) comprises an upper mounting frame (11), a lower mounting frame (12), a circuit fixing support (13) and an external protective shell (14), wherein the circuit fixing support (13) is arranged in the upper mounting frame (11), the external protective shell is fixedly sleeved on the upper mounting frame, the upper mounting frame is connected with the lower mounting frame through a first fixing screw (15), an aluminum alloy probe rod is fixed on the lower mounting frame, the upper end of a swing connecting rod extends into the upper mounting frame, and a PCBA circuit is fixed on the circuit fixing support.
4. The target flowmeter for air-conditioning water pipes as set forth in claim 1, wherein: the linear Hall sensors (7) are symmetrically arranged with the swing connecting rod (3) serving as a central line.
5. The target flowmeter for air-conditioning water pipes as set forth in claim 1, wherein: the target head (6) is fixedly provided with a water flow damping plate (61), and the water flow damping plate (61) is fixedly connected to the target head through a second fixing screw (62).
6. The target flowmeter for air-conditioning water pipes according to claim 1 or 4, wherein: the permanent magnet (5) and the water flow damping plate (61) are arranged in the middle of the axial section of the aluminum alloy probe rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322285137.3U CN220556335U (en) | 2023-08-24 | 2023-08-24 | Target flowmeter for air conditioner water pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322285137.3U CN220556335U (en) | 2023-08-24 | 2023-08-24 | Target flowmeter for air conditioner water pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220556335U true CN220556335U (en) | 2024-03-05 |
Family
ID=90052003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322285137.3U Active CN220556335U (en) | 2023-08-24 | 2023-08-24 | Target flowmeter for air conditioner water pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220556335U (en) |
-
2023
- 2023-08-24 CN CN202322285137.3U patent/CN220556335U/en active Active
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| GR01 | Patent grant |