CN214277585U - Flow equalizing air target - Google Patents
Flow equalizing air target Download PDFInfo
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- CN214277585U CN214277585U CN202120230946.2U CN202120230946U CN214277585U CN 214277585 U CN214277585 U CN 214277585U CN 202120230946 U CN202120230946 U CN 202120230946U CN 214277585 U CN214277585 U CN 214277585U
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Abstract
The utility model provides a flow equalizing wind target, which comprises a bracket, a wind target gas collecting pipe, a wind target collecting pipe, a connecting pipe, a flow equalizing device and a sampling box, wherein the bracket is arranged on the bracket; the air target gas collecting pipe is horizontally arranged and is arranged on the bracket; the wind target collecting pipes are arranged vertically and are arranged on the wind target gas collecting pipes, one end of each wind target collecting pipe is closed, the other end of each wind target collecting pipe is communicated with the wind target gas collecting pipes, and a plurality of air inlets are formed in each wind target collecting pipe; one end of the connecting pipe is connected to the air target gas collecting pipe, the other end of the connecting pipe is connected to the sampling box, and the flow equalizing device is arranged at the outlet end of the connecting pipe or in the sampling box; the support is a height-adjustable support. Through on the basis of current wind harrow structure, settle flow straightener, the wind that gets into the sampling box has passed through flow straightener's effect of flow equalizing, has guaranteed to get into the gas that is used for adopting in the sampling box and is even to guarantee that the sampling is more accurate.
Description
Technical Field
The utility model relates to an environment field middle temperature humidity sampling device field, concretely relates to wind target flow equalizes.
Background
In the manufacturing and research and development process of the existing air conditioning unit, related data analysis and detection are required to be carried out in a specific environment before the air conditioning unit enters the market, wherein the temperature and the humidity of the environment have great influence on the effectiveness of a detection result, so that the temperature and the humidity of air are collected during testing. The temperature and humidity sampling device is a key component for accurately measuring the temperature of air inlet and outlet dry balls and wet balls of refrigeration air-conditioning products such as air conditioners, ventilation equipment and the like, and mainly comprises a sampling rake, a connecting hose, a sampling box (section), an induced draft fan and the like. Air enters from the porous sampling rake under the action of the draught fan, passes through the connecting hose, and the temperature and humidity of the air are measured at the sampling box. The inventors found that the temperature and humidity obtained had large measurement errors due to large differences in the flow rate of air at different positions in the sampling box. In addition, the inventor also finds that selecting the appropriate test point can make the measured temperature and humidity value more accurate. However, the test points of the prior art devices are not easily adjustable.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind target flow equalizes to solve the problem that measuring error is big, the inconvenient adjustment of test point.
The utility model discloses a wind target flow equalizes adopts following technical scheme:
a flow equalizing wind target comprises a bracket, a wind target gas collecting pipe, a wind target collecting pipe, a connecting pipe, a flow equalizing device and a sampling box; the air target gas collecting pipe is horizontally arranged and is arranged on the bracket; the wind target collecting pipes are arranged vertically and are arranged on the wind target gas collecting pipes, one end of each wind target collecting pipe is closed, the other end of each wind target collecting pipe is communicated with the wind target gas collecting pipes, and a plurality of air inlets are formed in each wind target collecting pipe; one end of the connecting pipe is connected to the air target gas collecting pipe, the other end of the connecting pipe is connected to the sampling box, and the flow equalizing device is arranged at the outlet end of the connecting pipe or in the sampling box; the support is a height-adjustable support.
Optionally, the flow equalizing device is a flow equalizing plate, the diameter of the flow equalizing plate is the same as the inner diameter of the connecting pipe, and the flow equalizing plate is arranged at the outlet end of the connecting pipe and is coaxial with the connecting pipe; or, the flow equalizing device is a flow equalizing plate which is arranged in the sampling box, the flow equalizing plate is perpendicular to the outlet of the connecting pipe, and the edge of the flow equalizing plate is hermetically connected with the inner wall of the sampling box.
Optionally, a plurality of flow equalizing holes for allowing air to pass through are uniformly formed in the flow equalizing plate, the flow equalizing holes are micropores, and the diameter of each flow equalizing hole is 1mm to 3 mm; or, be provided with a plurality of first flow equalizing holes and a plurality of second flow equalizing hole on the flow equalizing plate, a plurality of first flow equalizing hole equipartitions in the middle part of flow equalizing plate is a plurality of the second flow equalizing hole equipartition is in a plurality of the periphery of first flow equalizing hole, the diameter of first flow equalizing hole is less than the diameter of second flow equalizing hole, the diameter of first flow equalizing hole is 1mm to 3mm, the diameter of second flow equalizing hole is 1.5mm to 5 mm.
Optionally, when the flow equalizing plate is disposed at the outlet end of the connecting pipe, the thickness of the flow equalizing plate is greater than the inner diameter of the connecting pipe, and the ratio between the inner diameter of the connecting pipe and the thickness of the flow equalizing plate is 2/5 to 2/3.
Optionally, when the flow equalizing device is arranged in the sampling box, a divergent draft tube is arranged between the outlet of the connecting pipe and the flow equalizing device.
Optionally, the height-adjustable bracket comprises a base and a telescopic rod assembly mounted on the base, and the telescopic rod assembly comprises an outer rod, an inner rod and a positioning and fastening structure; the outer rod extends along the vertical direction, and the lower end of the outer rod is fixed on the base; the inner rod is vertically arranged and is inserted into the outer rod; the positioning and fastening structure is arranged at the upper end of the outer rod, and the inner rod and the outer rod are fixed after the relative positions of the inner rod and the outer rod are determined; the positioning and fastening structure is a screw, a stud or a clamping structure; the air target gas collecting pipe is arranged at the upper end of the inner rod.
Optionally, the height-adjustable support comprises a pipe clamp, a lifting column and a support frame; the supporting frame is provided with a mounting hole, the lower end of the lifting column penetrates through the mounting hole, and the lower end of the lifting column is mounted in the mounting hole through two nuts positioned on the upper side and the lower side of the mounting hole; the pipe clamp comprises an upper clamp and a lower clamp, and the upper clamp and the lower clamp are connected through bolts and nuts; the lower clamp is fixed at the upper end of the lifting column; the air target gas collecting pipe is arranged between the upper clamp and the lower clamp; the mounting hole is a long strip-shaped hole extending along the horizontal direction.
Optionally, the plurality of wind target collecting pipes are sequentially arranged along the axis direction of the wind target gas collecting pipe, an air outlet is arranged in the middle of the peripheral wall of the wind target gas collecting pipe, one end of the connecting pipe is connected to the air outlet, and a plurality of air inlets on the wind target collecting pipe face the same side of the plurality of wind target collecting pipes.
The utility model has the advantages that:
the utility model discloses a wind target of flow equalizing mainly solves in the measurement sampling process, and the inhomogeneous problem of air current in the sampling box is through on the basis of current wind harrow structure, settles flow straightener, and the wind that gets into the sampling box has passed through flow straightener's effect of flow equalizing, and it is even to have guaranteed that the gas that is used for the adoption in getting into the sampling box to guarantee that the sampling is more accurate. Furthermore, by arranging the height-adjustable support, the room can be built to conveniently adjust the upper height and the lower height of the test point at least after the horizontal position of the test point is determined, the measured temperature and humidity value can be more accurate by the proper test point, and the adjustment is convenient.
Further, the utility model discloses an in the wind target of flow equalizing through setting up the special construction that the flow equalizing board flows, can make flow equalizing more even. Especially, when the flow equalizing plate is arranged at the outlet end of the connecting pipe, the relation between the thickness of the flow equalizing plate and the inner diameter of the connecting pipe enables an air supply channel of the flow equalizing plate to be changed into a plurality of strip-shaped structures, the uniformity and the flow linearity of air supply are improved, namely, air which can be sent out by the flow equalizing hole is uniform, the parallelism of flow lines is good, the generation of turbulent flow is greatly reduced, and the air supply is more uniform.
Furthermore, in the flow equalizing wind rake of the utility model, the special structure of the height-adjustable support can make the adjustment more convenient. Particularly, when the height-adjustable support comprises the pipe clamp, the lifting column and the support frame, the height of the wind target collecting pipe can be adjusted through the simple nut, the angle of the wind target collecting pipe can be deflected through simple rotation, and the inclination angle of the wind target collecting pipe can be changed through the pipe clamp. Furthermore, the horizontal position of the test point can be adjusted through the strip-shaped mounting hole. The position is convenient to adjust, and the operation is convenient and fast. And the sampling measurement of a plurality of test points in multiple angles can be realized, so that the diversity, the comprehensiveness and the accuracy of sampling data are met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a flow equalizing wind rake in an embodiment of the present invention;
fig. 2 is a schematic partial structure view of a flow equalizing wind rake according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a height-adjustable support in a flow equalizing wind rake according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an embodiment of wind target flow equalizes, as shown in fig. 1 to fig. 3, the wind target flow equalizes includes support 10, wind target discharge 13, wind target collection pipe 11, connecting pipe 14, flow straightener 15, sample box 16, sampling fan and measuring device 17. The wind target gas collecting pipe 13 is horizontally arranged and is installed on the bracket 10. The wind target collecting pipes 11 are multiple, each wind target collecting pipe 11 is vertically arranged and arranged on the wind target gas collecting pipe 13, one end of each wind target collecting pipe 11 is closed, the other end of each wind target collecting pipe is communicated with the interior of the wind target gas collecting pipe 13, and a plurality of air inlets 12 are formed in each wind target collecting pipe 11. One end of the connecting pipe 14 is connected to the air target gas collecting pipe 13, the other end is connected to the sampling box 16, and the flow equalizing device 15 is arranged at the outlet end of the connecting pipe 14 or in the sampling box 16. The sampling fan communicates with the sampling box 16 to promote airflow. The measuring device 17 is configured to detect the gas flow inside the sampling box 16 on the downstream side of the flow straightener 15. The support 10 is a height adjustable support 10. The wind target collecting pipes 11 are sequentially arranged along the axial direction of the wind target gas collecting pipe 13, the middle of the peripheral wall of the wind target gas collecting pipe 13 is provided with a gas outlet 18, one end of the connecting pipe 14 is connected with the gas outlet, and the air inlets 12 on the wind target collecting pipes 11 face the same side of the wind target collecting pipes 11. In some embodiments, a plurality of wind target collection pipes 11 are disposed on the upper side of the wind target collecting pipe 13. In some embodiments, a plurality of wind target collection pipes 11 are provided on both the upper and lower sides of the wind target header 13.
The utility model discloses wind harrow flow equalizes can confirm the test point earlier when using, then removes test point horizontal position to support 10 wind target discharge 13, wind target collection pipe 11, then carries out height control and selects suitable test point to carry out the air current sampling test. And then starting a sampling fan to enable the airflow to sequentially flow through the air target gas collecting pipe 13, the air target collecting pipe 11, the connecting pipe 14, the flow equalizing device 15 and the sampling box 16. The flow equalizing device 15 can make the tested air flow uniform, and ensure the testing accuracy.
That is to say, the utility model discloses the wind target of flow equalizing mainly solves in the measurement sampling process, and the inhomogeneous problem of air current among the sampling box 16 through on the basis of current wind rake structure, settles flow straightener 15, and the wind that gets into sampling box 16 has passed through flow straightener 15's effect of flow equalizing, has guaranteed that the gas that is used for the adoption in getting into sampling box 16 is even to guarantee that the sampling is more accurate. Furthermore, by arranging the height-adjustable support 10, the upper height and the lower height of the test point can be conveniently adjusted after the horizontal position of the test point is determined, and the measured temperature and humidity value can be more accurate and convenient to adjust due to the proper test point.
In some embodiments of the present invention, the flow equalizing device 15 is a flow equalizing plate, and the diameter of the flow equalizing plate is the same as the inner diameter of the connecting pipe 14, and is disposed at the outlet end of the connecting pipe 14 and coaxial with the connecting pipe 14. Further, evenly be provided with a plurality of flow equalizing holes that a plurality of air supplies flow pass through on the flow equalizing plate, the flow equalizing hole is the micropore, and the diameter of flow equalizing hole is 1mm to 3 mm. Or, be provided with a plurality of first flow equalizing holes and a plurality of second flow equalizing hole on the flow equalizing plate, a plurality of first flow equalizing hole equipartitions in the middle part of flow equalizing plate, a plurality of second flow equalizing hole equipartitions in the periphery of a plurality of first flow equalizing holes, the diameter in first flow equalizing hole is less than the diameter in second flow equalizing hole, the diameter in first flow equalizing hole is 1mm to 3mm, the diameter in second flow equalizing hole is 1.5mm to 5 mm. The flow equalizing hole can be a circular hole, a square hole, a triangular hole or a regular polygonal hole.
In some preferred embodiments of the present invention, as shown in fig. 1, when the flow equalizing plate is disposed at the outlet end of the connecting pipe 14, the thickness of the flow equalizing plate is greater than the inner diameter of the connecting pipe 14, and the ratio between the inner diameter of the connecting pipe 14 and the thickness of the flow equalizing plate is 2/5 to 2/3. When the flow equalizing plate is arranged at the outlet end of the connecting pipe 14, the thickness of the flow equalizing plate and the inner diameter of the connecting pipe 14 are in relation, so that an air supply channel of the flow equalizing plate is changed into a plurality of strip-shaped structures, the uniformity and the flow linearity of air supply are improved, namely, the air which can be sent out by the flow equalizing hole is uniform, the flow line has good parallelism, the generation of turbulent flow is greatly reduced, and the air supply is more uniform.
In other embodiments of the present invention, the flow equalizing device 15 is a flow equalizing plate, which is disposed inside the sampling box 16 and perpendicular to the outlet of the connecting pipe 14, and the edge of the flow equalizing plate is connected to the inner wall of the sampling box 16 in a sealing manner. Further, when the flow equalizing device 15 is disposed in the sampling box 16, a gradually expanding guide cylinder is disposed between the outlet of the connecting pipe 14 and the flow equalizing device 15, so as to further improve the flow equalizing effect. The inner wall of the sampling box 16 is made into a gradually expanding guide cylinder, so that the structure is simple and the cost is low. Similarly, a plurality of flow equalizing holes for air to pass through are uniformly formed in the flow equalizing plate, the flow equalizing holes are micropores, and the diameter of each flow equalizing hole is 1mm to 3 mm. Or, be provided with a plurality of first flow equalizing holes and a plurality of second flow equalizing hole on the flow equalizing plate, a plurality of first flow equalizing hole equipartitions in the middle part of flow equalizing plate, a plurality of second flow equalizing hole equipartitions in the periphery of a plurality of first flow equalizing holes, the diameter in first flow equalizing hole is less than the diameter in second flow equalizing hole, the diameter in first flow equalizing hole is 1mm to 3mm, the diameter in second flow equalizing hole is 1.5mm to 5 mm.
In some embodiments of the present invention, as shown in fig. 2, the height adjustable stand 10 comprises a base 21 and a telescopic rod assembly installed on the base 21, wherein the telescopic rod assembly comprises an outer rod 22, an inner rod 23 and a positioning and fastening structure 24. The outer rod 22 extends in the vertical direction, and the lower end of the outer rod 22 is fixed to the base 21. The inner rod 23 is vertically disposed and inserted into the outer rod 22. A positioning and fastening structure 24 is provided at the upper end of the outer rod 22, and fixes the inner rod 23 and the outer rod 22 after the relative positions of the inner rod 23 and the outer rod 22 are determined. The positioning and fastening structure 24 is a screw, stud or clamping structure. The wind target gas collecting pipe 13 is installed at the upper end of the inner rod 23.
In some embodiments of the present invention, as shown in fig. 3, the height adjustable bracket 10 includes a pipe clamp, a lifting column 32, and a support frame 31. The support frame 31 is provided with a mounting hole, the lower end of the lifting column 32 passes through the mounting hole, and the lifting column 32 is provided with threads. The lower end of the lifting column 32 is mounted to the mounting hole by two nuts 33 located on the upper and lower sides of the mounting hole. The pipe clamp comprises an upper clamp 34 and a lower clamp 35, the upper clamp 34 and the lower clamp 35 being connected by means of bolts and nuts. The lower clamp 35 is fixed to the upper end of the lifting column 32. The wind target header 13 is mounted between the upper and lower clamps 34 and 35. The mounting hole is a long strip-shaped hole extending along the horizontal direction.
The height of the wind target collecting pipe 11 can be adjusted through the simple nut 33, the wind target collecting pipe 11 can be deflected in angle through simple rotation, and the inclination angle of the wind target collecting pipe 11 can be changed through the pipe clamp. Furthermore, the horizontal position of the test point can be adjusted through the strip-shaped mounting hole. The position is convenient to adjust, and the operation is convenient and fast. And the sampling measurement of a plurality of test points in multiple angles can be realized, so that the diversity, the comprehensiveness and the accuracy of sampling data are met.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The flow equalizing wind target comprises a bracket, and is characterized by also comprising a wind target gas collecting pipe, a wind target collecting pipe, a connecting pipe, a flow equalizing device and a sampling box; the air target gas collecting pipe is horizontally arranged and is arranged on the bracket; the wind target collecting pipes are arranged vertically and are arranged on the wind target gas collecting pipes, one end of each wind target collecting pipe is closed, the other end of each wind target collecting pipe is communicated with the wind target gas collecting pipes, and a plurality of air inlets are formed in each wind target collecting pipe; one end of the connecting pipe is connected to the air target gas collecting pipe, the other end of the connecting pipe is connected to the sampling box, and the flow equalizing device is arranged at the outlet end of the connecting pipe or in the sampling box; the support is a height-adjustable support.
2. The target of claim 1, wherein the flow equalizing device is a flow equalizing plate having a diameter equal to the inner diameter of the connecting pipe, and is disposed at the outlet end of the connecting pipe and coaxial with the connecting pipe; or the flow equalizing device is a flow equalizing plate which is arranged in the sampling box, the flow equalizing plate is perpendicular to the outlet of the connecting pipe, and the edge of the flow equalizing plate is hermetically connected with the inner wall of the sampling box.
3. The air flow equalizing target of claim 1 or 2, wherein a plurality of equalizing holes for air flow to pass through are uniformly formed in the equalizing plate, the equalizing holes are micropores, and the diameter of each equalizing hole is 1mm to 3 mm; or, be provided with a plurality of first flow equalizing holes and a plurality of second flow equalizing hole on the flow equalizing plate, a plurality of first flow equalizing hole equipartitions in the middle part of flow equalizing plate is a plurality of the second flow equalizing hole equipartition is in a plurality of the periphery of first flow equalizing hole, the diameter of first flow equalizing hole is less than the diameter of second flow equalizing hole, the diameter of first flow equalizing hole is 1mm to 3mm, the diameter of second flow equalizing hole is 1.5mm to 5 mm.
4. The target of claim 2, wherein when the flow equalizing plate is disposed at the outlet end of the connecting pipe, the thickness of the flow equalizing plate is greater than the inner diameter of the connecting pipe, and the ratio between the inner diameter of the connecting pipe and the thickness of the flow equalizing plate is 2/5 to 2/3.
5. The target of claim 1, wherein when the flow equalizing device is disposed in the sample box, a divergent draft tube is disposed between the outlet of the connecting tube and the flow equalizing device.
6. The wind flow equalizing target of claim 1, wherein the height adjustable support comprises a base and a telescopic rod assembly mounted to the base, the telescopic rod assembly comprising an outer rod, an inner rod, and a positioning fastening structure; the outer rod extends along the vertical direction, and the lower end of the outer rod is fixed on the base; the inner rod is vertically arranged and is inserted into the outer rod; the positioning and fastening structure is arranged at the upper end of the outer rod, and the inner rod and the outer rod are fixed after the relative positions of the inner rod and the outer rod are determined; the positioning and fastening structure is a screw, a stud or a clamping structure; the air target gas collecting pipe is arranged at the upper end of the inner rod.
7. The air flow equalizing target of claim 1, wherein the height adjustable bracket comprises a pipe clamp, a lifting column, a support frame; the supporting frame is provided with a mounting hole, the lower end of the lifting column penetrates through the mounting hole, and the lower end of the lifting column is mounted in the mounting hole through two nuts positioned on the upper side and the lower side of the mounting hole; the pipe clamp comprises an upper clamp and a lower clamp, and the upper clamp and the lower clamp are connected through bolts and nuts; the lower clamp is fixed at the upper end of the lifting column; the air target gas collecting pipe is arranged between the upper clamp and the lower clamp; the mounting hole is a long strip-shaped hole extending along the horizontal direction.
8. The current-equalizing wind target according to claim 1, wherein a plurality of wind target collecting pipes are sequentially arranged along an axial direction of the wind target collecting pipes, an air outlet is arranged in the middle of the peripheral wall of each wind target collecting pipe, one end of the connecting pipe is connected to the air outlet, and a plurality of air inlets on each wind target collecting pipe face the same side of the plurality of wind target collecting pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120230946.2U CN214277585U (en) | 2021-01-27 | 2021-01-27 | Flow equalizing air target |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120230946.2U CN214277585U (en) | 2021-01-27 | 2021-01-27 | Flow equalizing air target |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214277585U true CN214277585U (en) | 2021-09-24 |
Family
ID=77768806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120230946.2U Active CN214277585U (en) | 2021-01-27 | 2021-01-27 | Flow equalizing air target |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214277585U (en) |
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2021
- 2021-01-27 CN CN202120230946.2U patent/CN214277585U/en active Active
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