CN213779148U - Portable foldable air volume measuring instrument - Google Patents
Portable foldable air volume measuring instrument Download PDFInfo
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- CN213779148U CN213779148U CN202023045453.6U CN202023045453U CN213779148U CN 213779148 U CN213779148 U CN 213779148U CN 202023045453 U CN202023045453 U CN 202023045453U CN 213779148 U CN213779148 U CN 213779148U
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Abstract
The utility model provides a portable collapsible amount of wind measuring apparatu belongs to amount of wind measuring device technical field. The technical scheme is as follows: a portable foldable air volume measuring instrument comprises a handheld rod, a telescopic rod, a folding connecting frame, a plurality of air speed probes and a control box, wherein the folding connecting frame is arranged between one end part of the handheld rod and one end part of the telescopic rod; the air inlet directions of the plurality of air speed probes are parallel to each other. The utility model has the advantages that: the utility model provides a pair of portable collapsible amount of wind measuring apparatu application scope is wide, convenient to use is nimble, measure that the accuracy is high, real-time display, operating efficiency are high, small foldable.
Description
Technical Field
The utility model relates to an amount of wind measuring device technical field especially relates to a portable collapsible amount of wind measuring apparatu.
Background
At present, a plurality of instruments for measuring the wind speed of a fan are available on the market, such as a single-point wind speed measuring instrument, a multi-point wind speed measuring instrument, a fan cover velocimeter and the like, and the instruments have a plurality of defects when different types of fans in a pig farm are measured; meanwhile, the above devices measure the wind speed of the fan, but there are few devices capable of measuring the wind speed and directly calculating the wind speed into corresponding wind volume.
The measuring point of the single-point wind speed measuring mode is not fixed, and the hand-held movement of a person is needed to carry out multiple point taking measurements, so that the personal error is amplified, and the air volume cannot be calculated;
at present, although an anemoscope capable of meeting multipoint measurement can measure the wind speed at multiple points of a fan at the same time, most anemometers are large in size, heavy in weight and inflexible in measurement, and cannot measure the wind quantity of the fan.
When the area of the fan opening measured by the fan cover velocimeter is larger than the area of the inlet of the measuring instrument, the use is limited, and the use is limited by the measurement area and the size of the fan cover.
How to solve the problems in the prior art is the subject of the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an application scope is wide, convenient to use is nimble, measure that the accuracy is high, real-time display, operating efficiency are high, small folding portable collapsible amount of wind measuring apparatu.
The utility model discloses a realize through following measure: a portable foldable air volume measuring instrument comprises a handheld rod, a telescopic rod and a folding connecting frame arranged between one end of the handheld rod and one end of the telescopic rod, wherein the folding connecting frame is convenient to fold after use, reduces the space of the instrument and is convenient to carry; the air inlet directions of the plurality of air speed probes are parallel to each other.
When the wind speed measuring device is used, the hand-held rod is held by a hand, the instrument is tightly attached to the air inlet of the fan, the air inlets of the plurality of wind speed probes are perpendicular to the air inlet direction of the air inlet of the fan, the plurality of wind speed probes are uniformly arranged along the radial direction of the air inlet of the fan, and then the telescopic rods provided with the plurality of wind speed probes are manually and uniformly swept at the air inlet of the fan;
furthermore, the air volume calculating module is used for receiving detection information of the plurality of air velocity probes, processing the detection information and displaying a processing result, wherein the processing of the detection information comprises averaging the received air velocity information, converting the received air velocity information into air volume information and averaging the converted air volume information;
in the sweeping process, when the telescopic rod moves to a fixed position, the plurality of wind speed probes carry out wind speed value taking for a plurality of times and transmit the wind speed value to the wind volume calculating module to calculate a wind speed mean value I, and meanwhile, the wind volume calculating module calculates a plurality of wind volume values and takes the wind volume mean value I; when the telescopic rod moves to an adjacent fixed position, a plurality of wind speed probes carry out a plurality of times of wind speed value taking and transmit the values to the wind volume calculating module to calculate a wind speed average value two, the wind speed average value two and the wind speed average value one are averaged, meanwhile, a plurality of wind volume values and a wind volume average value two are calculated through the wind volume calculating module, the wind volume average value two and the wind volume average value one are averaged, the process is analogized until the sweeping is finished, the final wind speed average value and the wind volume average value are obtained and displayed, the multi-point simultaneous detection of the fan can be realized, the different rows of wind speeds of the fan can be flexibly and conveniently measured, a plurality of wind speed data of the fan can be obtained through one-time measurement, the accuracy of the measurement is enhanced, the wind speed and the wind volume data can be displayed in real time, and the operation efficiency is high.
The utility model is characterized in that a plurality of limiting holes are arranged on the circumferential side surface of the telescopic rod, and the plurality of limiting holes are uniformly arranged along the central line direction of the telescopic rod;
coupling assembling includes that one end cup joints on the telescopic link, another tip cup joints correspondingly heterotypic frame piece on the wind speed probe, and set up heterotypic frame piece is last, flexible end with spacing hole matched with spring catch, during the use, according to the radial size of fan air intake, along the special-shaped frame piece of telescopic link slip to make the flexible end of spring catch cooperate with corresponding spacing hole, make a plurality of heterotypic frame piece evenly arrange along the radial of fan air intake, convenient operation.
The utility model is characterized in that the special-shaped frame block comprises a frame block body, a first through hole which is arranged at one end part of the frame block body and is matched with the wind speed probe is used for installing the wind speed probe, the wind speed probe penetrates through the corresponding first through hole during installation, the wiring is convenient, a first gap which is arranged on the side wall of the first through hole is communicated along the central line direction of the first through hole, the wind speed probe is convenient to be disassembled and assembled, a first fastening hole which is arranged on the opposite side wall of the first gap is arranged, a second through hole which is arranged at the other end part of the frame block body and is matched with the telescopic rod is arranged for installing the special-shaped frame block on the telescopic rod, the second through hole is sleeved on the telescopic rod during installation, a second gap which is arranged on the side wall of the second through hole is communicated along the central line direction of the second through hole, the disassembly and assembly between the special-shaped frame block and the telescopic rod are convenient, second fastening holes are formed in the two opposite side walls of the second gap, and mounting holes which are formed in the inner side walls of the second through holes along the radial direction of the second through holes and matched with the spring pins are formed in the second through holes;
the connecting assembly further comprises a first fastening piece matched with the first fastening hole, so that the wind speed probe can be conveniently disassembled and assembled, the wind speed probe can be ensured not to rotate in the using process, the detection reliability is ensured, the first fastening piece is loosened when the wind speed probe is disassembled and assembled, the second fastening piece matched with the second fastening hole is convenient to disassemble and assemble between the special-shaped frame block and the telescopic rod, the reliable connection between the special-shaped frame block and the telescopic rod in the using process can be ensured, the detection data error caused by the position between the special-shaped frame block and the telescopic rod is prevented, and meanwhile, the reliable connection between the special-shaped frame block and the telescopic rod at different outer diameters can be further met.
The utility model is characterized in that the telescopic rod comprises an outer cylinder and an inner cylinder which are collinear with each other and are mutually sleeved and matched, a plurality of first limiting holes which are arranged on the side wall of the outer cylinder and are uniformly distributed along the direction of the central line of the outer cylinder along a radial direction, and a plurality of second limiting holes which are arranged on the side wall of the inner cylinder and are uniformly distributed along the direction of the central line of the inner cylinder along a radial direction; the first limiting hole and the second limiting hole are matched with the telescopic end of the spring pin; adjacent two the interval in first spacing hole equals or is the integral multiple with adjacent two the interval in the spacing hole of second, spacing hole include first spacing hole with the spacing hole of second when adjusting the length of telescopic link, only need with the first spacing hole of urceolus and the corresponding spacing pore pair of second of inner tube can, when spring catch and spacing hole cooperate, can also carry on spacingly to the length of telescopic link, further guarantee the stability of instrument, guarantee the reliability of testing result.
The utility model discloses a concrete features still, the spring catch with mounting hole screw-thread fit, it is preferred, the mounting hole link up to heterotypic frame piece surface department, simple structure and easy to assemble spring catch.
The utility model is characterized in that the folding connection frame comprises a first connecting piece and a second connecting piece which are hinged with each other at one end part, and a first connecting rod and a second connecting rod which are hinged with each other at one end part, the other end of the first connecting rod is hinged at the middle part of the first connecting piece, and the other end of the second connecting rod is hinged at the middle part of the second connecting piece; the first connecting piece is fixed at the end part corresponding to the handheld rod, and the second connecting piece is fixed at the end part corresponding to the telescopic rod.
The utility model is characterized in that a plurality of buttons for controlling the wind speed probe are arranged on the control box, and whether the wind speed probe at the edge correspondingly detects the wind speed probe can be controlled according to the size of the air inlet of the fan, so as to ensure that the wind speed probe for detecting data is all positioned at the effective air inlet position of the air inlet of the fan; preferably, the number of buttons is three, corresponding to 24 inch, 36 inch and 55 inch fans respectively.
The utility model has the specific characteristics that the holding rod is kept away from the end part of the folding connecting frame is provided with a grab handle, so that the holding is convenient.
The utility model has the advantages that: the utility model can change the length required by measurement aiming at the fans with different sizes, and meet the requirement of measurement of different fans; the utility model can realize the multi-probe and multi-point simultaneous measurement, can flexibly and conveniently measure the wind speeds of different rows of the fan, can obtain wind speed data of a plurality of places of the fan by one-time measurement, and enhances the accuracy of measurement; the utility model can calculate and display the air quantity of the fan in real time when in use; the spring pins are arranged, so that accurate positioning measurement of a plurality of wind speed probes on fans of different sizes can be met; the utility model discloses small folding, practice thrift the space, and easy operation convenient to use has improved work efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion A of FIG. 1;
FIG. 3 is a schematic structural view of a special-shaped frame block of the present invention;
fig. 4 is a schematic view of a partial structure of the telescopic rod of the present invention;
fig. 5 is a schematic structural diagram of the usage state of the present invention.
Wherein the reference numerals are: 1. a hand-held wand; 1-1, a grab handle; 2. a telescopic rod; 2-1, an outer cylinder; 2-2, an inner cylinder; 2-3, a first limiting hole; 2-4, a second limiting hole; 3. folding the connecting frame; 3-1, a first connecting piece; 3-2, a first connecting rod; 3-3, a second connecting piece; 3-4, a second connecting rod; 4. a connecting assembly; 4-1, special-shaped frame blocks; 4-1-1, a frame block body; 4-1-2, a first through hole; 4-1-3, a second through hole; 4-1-4, a first gap; 4-1-5, a second gap; 4-1-6, a first fastening hole; 4-1-7, a second fastening hole; 4-1-8, mounting holes; 4-2, a first fastener; 4-3, a second fastener; 4-4, spring pins; 5. a wind speed probe; 6. a control box; 7. and an air inlet of the fan.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Referring to fig. 1 to 5, the present invention is: a portable foldable air volume measuring instrument comprises a handheld rod 1, a telescopic rod 2 and a folding connecting frame 3 arranged between one end of the handheld rod 1 and one end of the telescopic rod 2, and is convenient to fold after use, the space of the instrument is reduced, the portable foldable air volume measuring instrument is convenient to carry, a plurality of air velocity probes 5 which are uniformly arranged along the central line direction of the telescopic rod 2 and fixedly connected with the telescopic rod 2 through a plurality of connecting assemblies 4, when the portable foldable air volume measuring instrument is used, the telescopic rod 2 can be subjected to telescopic treatment according to the size of an air inlet 7 of a fan, the detection requirements of fans of different sizes are met, after use, the space of the instrument can be further reduced, the portable foldable air volume measuring instrument is convenient to carry, and the portable air volume measuring instrument is respectively electrically connected with the plurality of air velocity probes 5 and a control box 6 with an air volume calculating module arranged inside; the air inlet directions of the plurality of air speed probes 5 are parallel to each other.
When the wind speed measuring device is used, the hand-held rod 1 is held by a hand, an instrument is tightly attached to the air inlet 7 of the fan, the air inlets of the plurality of wind speed probes 5 are perpendicular to the air inlet direction of the air inlet 7 of the fan, the plurality of wind speed probes 5 are uniformly arranged along the radial direction of the air inlet 7 of the fan, then the telescopic rods 2 provided with the plurality of wind speed probes 5 are manually and uniformly swept at the air inlet 7 of the fan, and preferably, the number of the wind speed probes 5 is set to be 7;
further, the air volume calculating module is used for receiving the detection information of the plurality of air velocity probes 5, processing the detection information and displaying the processing result, wherein the processing of the detection information comprises averaging the received air velocity information, converting the received air velocity information into air volume information and averaging the converted air volume information;
in the sweeping process, when the telescopic rod 2 moves to a fixed position, the plurality of wind speed probes 5 carry out wind speed value taking for a plurality of times and transmit the wind speed value to the wind volume calculating module to calculate a wind speed mean value I, and simultaneously, the wind volume calculating module calculates a plurality of wind volume values and takes the wind volume mean value I; when the telescopic rod 2 moves to an adjacent fixed position, the plurality of wind speed probes 5 carry out wind speed value taking for a plurality of times and transmit the wind speed value to the wind volume calculation module to calculate a wind speed average value two, the wind speed average value two and the wind speed average value one are averaged, meanwhile, the wind volume calculation module calculates a plurality of wind volume values and obtains a wind volume average value two, the wind volume average value two and the wind volume average value one are averaged, the process is repeated until the sweep is finished, the final wind speed average value and the final wind volume average value are obtained and displayed, and preferably, 10 wind speed value taking is carried out at each fixed position.
The utility model is characterized in that a plurality of limiting holes are arranged on the circumferential side surface of the telescopic rod 2, and the limiting holes are evenly distributed along the central line direction of the telescopic rod 2;
the connecting assembly 4 comprises a special-shaped frame block 4-1 and a spring pin 4-4, wherein one end part of the special-shaped frame block is sleeved on the telescopic rod 2, the other end part of the special-shaped frame block is sleeved on the corresponding wind speed probe 5, the spring pin 4-4 is arranged on the special-shaped frame block 4-1, the telescopic end of the spring pin 4-4 is matched with the limiting hole, and when the connecting assembly is used, the special-shaped frame block 4-1 slides along the telescopic rod 2 according to the radial size of the wind inlet 7 of the fan, the telescopic end of the spring pin 4-4 is matched with the corresponding limiting hole, so that the special-shaped frame blocks 4-1 are uniformly arranged along the radial direction of the wind inlet 7 of the fan, and the operation is convenient.
The utility model is characterized in that the special-shaped frame block 4-1 comprises a frame block body 4-1-1, a first through hole 4-1-2 which is arranged at one end of the frame block body 4-1-1 and is matched with the wind speed probe 5 and is used for installing the wind speed probe 5, when in installation, the wind speed probe 5 penetrates through the corresponding first through hole 4-1-2, the wiring is convenient, a first gap 4-1-4 which is arranged on the side wall of the first through hole 4-1-2 is penetrated along the central line direction of the first through hole 4-1-2, the wind speed probe 5 is convenient to be disassembled and assembled, a first fastening hole 4-1-6 which is arranged on the opposite side wall of the first gap 4-1-4 is arranged, a second through hole 4-1-3 which is arranged at the opposite other end of the frame block body 4-1-1 and is matched with the telescopic rod 2, the special-shaped frame block 4-1 is arranged on the telescopic rod 2, when the special-shaped frame block is arranged, the second through hole 4-1-3 is sleeved on the telescopic rod 2 and penetrates through a second gap 4-1-5 formed in the side wall of the second through hole 4-1-3 along the central line direction of the second through hole 4-1-3, so that the special-shaped frame block 4-1 and the telescopic rod 2 can be conveniently disassembled and assembled, a second fastening hole 4-1-7 formed in the two opposite side walls of the second gap 4-1-5 is formed, and an installation hole 4-1-8 formed in the inner side wall of the second through hole 4-1-3 along the radial direction of the second through hole 4-1-3 and matched with the spring pin 4-4 is formed;
the connecting assembly 4 further comprises a first fastening piece 4-2 matched with the first fastening hole 4-1-6, so that the wind speed probe 5 can be conveniently disassembled and assembled, the wind speed probe 5 can be ensured not to rotate in the using process, the reliability of detection is ensured, when the wind speed probe 5 is disassembled and assembled, the first fastening piece 4-2 can be loosened, and a second fastening piece 4-3 matched with the second fastening hole 4-1-7 is used for facilitating the disassembly and assembly between the special-shaped frame block 4-1 and the telescopic rod 2, the reliable connection between the special-shaped frame block 4-1 and the telescopic rod 2 in the using process can be ensured, the detection data error caused by the position between the special-shaped frame block 4-1 and the telescopic rod 2 is prevented, and meanwhile, the reliable connection between the special-shaped frame block 4-1 and the telescopic rod 2 at different outer diameters can be met.
The utility model is characterized in that the telescopic rod 2 comprises an outer barrel 2-1 and an inner barrel 2-2 which have collinear central lines and are mutually sleeved and matched, a plurality of first limiting holes 2-3 which are arranged on the side wall of the outer barrel 2-1 along the central line direction of the outer barrel 2-1 along the radial direction and are communicated, and a plurality of second limiting holes 2-4 which are arranged on the side wall of the inner barrel 2-2 along the radial direction and are evenly arranged along the central line direction of the inner barrel 2-2; the first limiting hole 2-3 and the second limiting hole 2-4 are matched with the telescopic end of the spring pin 4-4; the distance between two adjacent first limiting holes 2-3 is equal to or is an integral multiple of the distance between two adjacent second limiting holes 2-4, the limiting holes comprise the first limiting holes 2-3 and the second limiting holes 2-4, when the length of the telescopic rod 2 is adjusted, only the first limiting holes 2-3 of the outer barrel 2-1 and the second limiting holes 2-4 corresponding to the inner barrel 2-2 need to be aligned, when the spring pins 4-4 are matched with the limiting holes, the length of the telescopic rod 2 can be limited, the stability of an instrument is further ensured, and the reliability of a detection result is ensured.
The utility model has the specific characteristics that the spring pin 4-4 is in threaded fit with the mounting hole 4-1-8, preferably, the mounting hole 4-1-8 is communicated to the outer surface of the special-shaped frame block 4-1, the structure is simple, and the spring pin 4-4 is convenient to mount.
The utility model is also characterized in that the folding connecting frame 3 comprises a first connecting piece 3-1 and a second connecting piece 3-3 which are hinged with each other at one end part, and a first connecting rod 3-2 and a second connecting rod 3-4 which are hinged with each other at one end part, the other end of the first connecting rod 3-2 is hinged at the middle part of the first connecting piece 3-1, and the other end of the second connecting rod 3-4 is hinged at the middle part of the second connecting piece 3-3; the first connecting piece 3-1 is fixed at the corresponding end of the handheld rod 1, and the second connecting piece is fixed at the corresponding end of the telescopic rod 2.
The utility model is also characterized in that the control box 6 is provided with a plurality of buttons for controlling the wind speed probe 5, and the wind speed probe 5 correspondingly positioned at the edge can be controlled according to the size of the fan air inlet 7 to detect whether the detection operation is carried out or not, so as to ensure that the wind speed probe 5 for detecting data is positioned at the effective air inlet position of the fan air inlet 7; preferably, the number of buttons is three, corresponding to 24 inch, 36 inch and 55 inch fans respectively.
The utility model is also characterized in that the end of the hand-held rod 1 far away from the folding connecting frame 3 is provided with a grab handle 1-1, which is convenient for holding.
The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.
Claims (8)
1. A portable foldable air volume measuring instrument is characterized by comprising a handheld rod (1), an expansion link (2), a folding connecting frame (3) arranged between one end of the handheld rod (1) and one end of the expansion link (2), a plurality of air speed probes (5) which are uniformly arranged along the central line direction of the expansion link (2) and fixedly connected with the expansion link (2) through a plurality of connecting components (4), and a control box (6) which is respectively electrically connected with the air speed probes (5) and is internally provided with an air volume calculating module; the air inlet directions of the plurality of air speed probes (5) are parallel to each other.
2. The portable foldable air volume measuring instrument as claimed in claim 1, wherein a plurality of limiting holes are formed in the circumferential side surface of the telescopic rod (2), and the plurality of limiting holes are uniformly arranged along the central line direction of the telescopic rod (2);
the connecting assembly (4) comprises a special-shaped frame block (4-1) and a spring pin (4-4), wherein one end of the special-shaped frame block is sleeved on the telescopic rod (2), the other end of the special-shaped frame block is sleeved on the corresponding wind speed probe (5), and the spring pin (4-4) is arranged on the special-shaped frame block (4-1) and matched with the limiting hole at the telescopic end.
3. The portable foldable air volume measuring instrument according to claim 2, wherein the special-shaped frame block (4-1) comprises a frame block body (4-1-1), a first through hole (4-1-2) provided at one end of the frame block body (4-1-1) and matched with the air velocity probe (5), a first gap (4-1-4) provided on the side wall of the first through hole (4-1-2) along the center line direction of the first through hole (4-1-2), a first fastening hole (4-1-6) provided on the opposite side wall of the first gap (4-1-4), a second through hole (4-1-3) provided at the opposite end of the frame block body (4-1-1) and matched with the telescopic rod (2), a second gap (4-1-5) which is arranged on the side wall of the second through hole (4-1-3) in a penetrating manner along the central line direction of the second through hole (4-1-3), a second fastening hole (4-1-7) which is arranged on the two opposite side walls of the second gap (4-1-5), and a mounting hole (4-1-8) which is arranged on the inner side wall of the second through hole (4-1-3) along the radial direction of the second through hole (4-1-3) and is matched with the spring pin (4-4);
the connecting assembly (4) further comprises a first fastening member (4-2) cooperating with the first fastening hole (4-1-6), and a second fastening member (4-3) cooperating with the second fastening hole (4-1-7).
4. The portable foldable air volume measuring instrument as claimed in claim 2, wherein the telescopic rod (2) comprises an outer cylinder (2-1) and an inner cylinder (2-2) which have collinear central lines and are sleeved with each other, a plurality of first limiting holes (2-3) which are radially penetrated and opened on the side wall of the outer cylinder (2-1) and are uniformly arranged along the central line direction of the outer cylinder (2-1), and a plurality of second limiting holes (2-4) which are radially opened and opened on the side wall of the inner cylinder (2-2) and are uniformly arranged along the central line direction of the inner cylinder (2-2); the first limiting hole (2-3) and the second limiting hole (2-4) are matched with the telescopic end of the spring pin (4-4); the distance between two adjacent first limiting holes (2-3) is equal to the distance between two adjacent second limiting holes (2-4).
5. The portable foldable air volume measuring instrument according to claim 3, wherein the spring pin (4-4) is screw-fitted to the mounting hole (4-1-8).
6. The portable foldable air volume measuring instrument according to claim 1, wherein the folding connection frame (3) comprises a first connecting piece (3-1) and a second connecting piece (3-3) with one ends hinged to each other, and a first connecting rod (3-2) and a second connecting rod (3-4) with one ends hinged to each other, the other end of the first connecting rod (3-2) is hinged to the middle of the first connecting piece (3-1), and the other end of the second connecting rod (3-4) is hinged to the middle of the second connecting piece (3-3); the first connecting piece (3-1) is fixed at the end part corresponding to the handheld rod (1), and the second connecting piece is fixed at the end part corresponding to the telescopic rod (2).
7. The portable foldable air volume measuring instrument according to claim 1, wherein the control box (6) is provided with a plurality of buttons for controlling the wind speed probe (5).
8. Portable foldable air volume measuring instrument according to any of claims 1-7, characterized in that the end of the hand-held lever (1) remote from the folding connection frame (3) is provided with a grip (1-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023045453.6U CN213779148U (en) | 2020-12-09 | 2020-12-09 | Portable foldable air volume measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023045453.6U CN213779148U (en) | 2020-12-09 | 2020-12-09 | Portable foldable air volume measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213779148U true CN213779148U (en) | 2021-07-23 |
Family
ID=76899174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023045453.6U Active CN213779148U (en) | 2020-12-09 | 2020-12-09 | Portable foldable air volume measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213779148U (en) |
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2020
- 2020-12-09 CN CN202023045453.6U patent/CN213779148U/en active Active
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Address after: 101200 101, floor 1, building 2, yard 1, Yuda street, yukou Town, Pinggu District, Beijing Patentee after: Beijing New Hope Liuhe Biotechnology Industry Group Co.,Ltd. Patentee after: XIAJIN NEW HOPE LIUHE AGRICULTURE AND ANIMAL HUSBANDRY Co.,Ltd. Patentee after: Laixi new hope Liuhe agriculture and animal husbandry Co.,Ltd. Patentee after: Jiaxiang new hope Liuhe pig breeding Co.,Ltd. Patentee after: NEW HOPE LIUHE Co.,Ltd. Patentee after: SHANDONG NEW HOPE LIUHE GROUP Co.,Ltd. Address before: Room 209, 2nd floor, new hope building, No.2, linqionggang Branch Road, Lhasa City, Tibet Autonomous Region 851400 Patentee before: Tibet Xinhao Technology Co.,Ltd. Patentee before: XIAJIN NEW HOPE LIUHE AGRICULTURE AND ANIMAL HUSBANDRY Co.,Ltd. Patentee before: Laixi new hope Liuhe agriculture and animal husbandry Co.,Ltd. Patentee before: Jiaxiang new hope Liuhe pig breeding Co.,Ltd. Patentee before: NEW HOPE LIUHE Co.,Ltd. Patentee before: SHANDONG NEW HOPE LIUHE GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address |