CN209639770U - A kind of bidirectional flow Annular Round Model PFB - Google Patents
A kind of bidirectional flow Annular Round Model PFB Download PDFInfo
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- CN209639770U CN209639770U CN201920493904.0U CN201920493904U CN209639770U CN 209639770 U CN209639770 U CN 209639770U CN 201920493904 U CN201920493904 U CN 201920493904U CN 209639770 U CN209639770 U CN 209639770U
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- mean value
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- static pressure
- detection
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 81
- 230000003068 static effect Effects 0.000 claims abstract description 46
- 239000012530 fluid Substances 0.000 claims abstract description 41
- 238000005259 measurement Methods 0.000 claims abstract description 28
- 238000010276 construction Methods 0.000 claims abstract description 4
- FWQHNLCNFPYBCA-UHFFFAOYSA-N fluoran Chemical compound C12=CC=CC=C2OC2=CC=CC=C2C11OC(=O)C2=CC=CC=C21 FWQHNLCNFPYBCA-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000009413 insulation Methods 0.000 claims description 41
- 239000003507 refrigerant Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 13
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 229910003460 diamond Inorganic materials 0.000 claims description 4
- 239000010432 diamond Substances 0.000 claims description 4
- 239000007937 lozenge Substances 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000008676 import Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Abstract
The utility model discloses a kind of bidirectional flow Annular Round Model PFBs, including detection bar and differential pressure transmitter, detection bar is hollow cavity structure, the positive pressure mean value pipe and static pressure mean value pipe being vertically arranged are equipped in the hollow cavity of detection bar, the upper end of positive pressure mean value pipe and static pressure mean value pipe is connect with differential pressure transmitter, the lower end of positive pressure mean value pipe and static pressure mean value pipe is enclosed construction, the fluoran stream surface and lee side of detection bar are respectively equipped with several positive pressure detection holes and static pressure detection hole, several positive pressure holes corresponding with positive pressure detection hole and static pressure detection hole and static pressure hole are respectively equipped on positive pressure mean value pipe and static pressure mean value pipe, positive pressure detection hole is connected to positive pressure hole, static pressure detection hole is connected to static pressure hole, the upper end of detection bar is equipped with fixed mounting, fixed mounting is equipped with several mounting holes.The flowmeter positive pressure pressure component and the mutually symmetrical structure of static pressure pressure component make the flowmeter have the function of bidirectional traffics measurement, of simple structure and strong practicability in same fluid line.
Description
Technical field
The utility model relates to flowmeter technology fields, and in particular to a kind of bidirectional flow Annular Round Model PFB.
Background technique
Annular Round Model PFB belongs to differential pressure flowmeter, and design theory meets Bernoulli equation principle, i.e., using height
The pressure difference formed between the dynamic pressure of differential pressure measurement principle measurement fluid upstream and the static pressure in downstream of pressure, to reach measurement
The purpose of flow.Annular Round Model PFB measures pipe diameter between DN30 to DN12000, is mainly used for various in industrial process
The measurement of the energy such as liquid, fuel gas, steam and gas, stability and repeatability with higher.
But Annular Round Model PFB in the prior art is mostly one-way flow meter, is just fixed once installing its direction finding
Get off, it can not reversal measuring.However, there are the scene of some bidirectional fluids measurement, traditional Annular Round Model PFBs in practical application
It needs to carry out when using in bidirectional fluid pipeline reversely to be installed after dismantling again, on the one hand operative employee is installed in disassembly again
Sequence is complicated, and working efficiency is low, and on the other hand and multiple disassembly is serious to flowmeter damage itself, and affect flowmeter uses the longevity
Life.In order to solve the problems, such as traditional Annular Round Model PFB only can one direction measurement of discharge, be badly in need of design it is a have bidirectional traffics
Measure the Annular Round Model PFB of function.
Utility model content
The purpose of this utility model is that overcoming defect existing in the prior art, a kind of bidirectional flow Annubar stream is provided
Meter overcomes the defect that traditional Annular Round Model PFB is only capable of one direction measurement of discharge, and the flowmeter is by will test in bar
Positive pressure pressure component and static pressure pressure component are designed as symmetrical structure, and the flowmeter is made to have bidirectional flow in same fluid line
The function of measurement, and the flowmeter structure is simple, it is practical.
To achieve the above object, the technical solution of the utility model be design a kind of bidirectional flow Annular Round Model PFB, including
Detection bar and differential pressure transmitter, the detection bar are hollow cavity structure, and it is vertical to be equipped in the hollow cavity of the detection bar
The upper end of the positive pressure mean value pipe and static pressure mean value pipe of arrangement, the positive pressure mean value pipe and static pressure mean value pipe with the differential pressure transporting
The lower end of device connection, the positive pressure mean value pipe and static pressure mean value pipe is enclosed construction, in the fluoran stream surface and back of the detection bar
Stream interface is respectively equipped with several positive pressure detection holes and static pressure detection hole, is respectively equipped on the positive pressure mean value pipe and static pressure mean value pipe
Several positive pressure holes corresponding with positive pressure detection hole and static pressure detection hole and static pressure hole, the positive pressure detection hole and positive pressure hole connect
Logical, the static pressure detection hole is connected to static pressure hole, is equipped with fixed mounting, the fixed mounting in the upper end of the detection bar
It is equipped with several mounting holes.
Positive pressure detection components and static pressure detection components in the utility model flowmeter detection bar are designed as symmetrical
Structure makes the flowmeter realize the function of having forward and reverse measurement in the same fluid line；The upper end of detection bar is set
Have fixed mounting, convenient for the flowmeter using when with being fixedly connected between fluid line outer wall.
Data result is consistent when in order to make the flowmeter measure fluid forward or backwards, that is, ensure that forward and reverse measures
As a result accuracy, preferred technical solution be, the cross section of the detection bar is round or diamond shape, the positive pressure detection hole and
Detection of negative pressure hole is located at one group of opposite top in both ends or lozenge shape cross-section of the same diameter of detection bar circular cross section
Point on.
In order to avoid in detected fluid temperature and differential pressure transmitter between fluid actual measurement temperature there are the larger temperature difference, into
The preferred technical solution of one step is in addition, further include insulation shell, PLC controller and control panel, the differential pressure transmitter and inspection
The part that measuring staff is located at fixed mounting upper end is packaged in the insulation shell, the insulation shell lower edge be equipped with to
The connecting plate of outer extension, the connecting plate is fixedly connected by screw with the upper surface of the fixed mounting, in the detection
It is additionally provided with the first temperature sensor in the hollow cavity of bar, second temperature sensor is equipped in the differential pressure transmitter, it is described
Temperature comparison module is equipped in PLC controller, the control panel is equipped with power switch, operating switch, temperature range setting
Knob and display module are equipped with refrigerant inlet in the insulation shell side and the Heating medium other side are equipped with media outlet, In
The refrigerant inlet, Heating medium are equipped with solenoid valve, the control panel, the first temperature sensor and differential pressure transmitter with
The input end signal of the PLC controller connects, the solenoid valve of the solenoid valve of the refrigerant inlet and Heating medium with it is described
The connection of PLC controller output end signal, the PLC controller and control panel are all set in the outside of the insulation shell.It is right
In some pairs of temperature than more sensitive fluid, which realizes the automatic compensation adjustment function to detected fluid temperature, and one
Aspect ensure that the precision of measurement result, on the other hand prevent fluid temperature (F.T.) cataclysm solidification and crystallization from causing to block up to flowmeter instrument
Plug, that is, ensure that the safety of measuring instrumentss.
Temperature is carried out to measurement temperature for the ease of real-time monitoring fluid flow, fluid temperature (F.T.), measurement temperature and setting
The variable range of compensation, further preferred technical solution is in addition, the display module includes flow quantity display unit, fluid temperature (F.T.)
Display unit, measurement temperature display unit and temperature range set display unit.
For the ease of realizing the long-range monitoring to the flowmeter, further preferred technical solution is in addition, further include wireless
Communication module and alarm, the wireless communication module and alarm are connect with the output end signal of the PLC controller.Nothing
The information remotes such as temperature that PLC controller receives and detection data can be transmitted to client by line communication module, be realized pair
The long-range monitoring of the flowmeter；When flowmeter breaks down, PLC controller starts alarm to notify staff, guarantees
The safety when flow meters work.
In order to guarantee insulation shell to the heat insulation effect of flowmeter, i.e. the temperature of fluid measured by flowmeter and fluid is practical
The temperature difference of temperature is smaller, it is ensured that the accuracy of measurement result, further preferred technical solution is in addition, the fixed mounting
It is polyurethane sheet with insulation shell, is additionally provided with heat-insulating and sealing between the connecting plate and fixed mounting of the insulation shell
Pad.Polyurethane sheet thermal coefficient is only 0.018~0.024w/ (m.k), is that thermal coefficient is minimum in current all thermal insulation materials
, and it ensure that the thermal insulation property and safety of insulation shell with moisture-proof, waterproof performance, fire-retardant and resistant to high temperature performance
Energy.
Advantages and beneficial effects of the utility model lie in that
1, the positive pressure detection components in the utility model flowmeter detection bar and static pressure detection components are designed as symmetrically
Structure, make the flowmeter realize have in the same fluid line forward and reverse measurement function；The upper end of detection bar
Equipped with fixed mounting, convenient for the flowmeter using when with being fixedly connected between fluid line outer wall.
2, the cross section of the detection bar is that round or diamond shape, the positive pressure detection hole and detection of negative pressure hole are located at institute
It states on one group of opposite vertex in both ends or lozenge shape cross-section of the same diameter of detection bar circular cross section.Keep the flowmeter positive or
Data result is consistent when reverse measuremenet fluid, that is, ensure that the accuracy of forward and reverse measurement result.
It 3, further include insulation shell, PLC controller and control panel, the differential pressure transmitter and detection bar are located at fixed peace
The part of dress seat upper end is packaged in the insulation shell, the insulation shell lower edge connection with outward extension
Plate, the connecting plate is fixedly connected by screw with the upper surface of the fixed mounting, in the hollow cavity of the detection bar
It is inside additionally provided with the first temperature sensor, second temperature sensor is equipped in the differential pressure transmitter, is set in the PLC controller
There is temperature comparison module, the control panel is equipped with power switch, operating switch, temperature range setting knob and display mould
Block is equipped with refrigerant inlet and the Heating medium other side in the insulation shell side and is equipped with media outlet, the refrigerant inlet,
Heating medium is equipped with solenoid valve, the control panel, the first temperature sensor and differential pressure transmitter with the PLC controller
Input end signal connection, the solenoid valve of the solenoid valve of the refrigerant inlet and Heating medium exports with the PLC controller
End signal connection, the PLC controller and control panel are all set in the outside of the insulation shell.For some pairs of temperature ratios
More sensitive fluid, the flowmeter realize the automatic compensation adjustment function to detected fluid temperature, on the one hand ensure that measurement
As a result precision, on the other hand prevents fluid temperature (F.T.) cataclysm solidification and crystallization from resulting in blockage to flowmeter instrument, that is, ensure that survey
Measure the safety of instrument.
4, the display module includes flow quantity display unit, fluid temperature (F.T.) display unit, measurement temperature display unit and temperature
It spends range and sets display unit.Convenient for real-time monitoring fluid flow, fluid temperature (F.T.), measurement temperature and setting to measurement temperature into
The variable range of trip temperature compensation.
It 5, further include wireless communication module and alarm, the wireless communication module and alarm are controlled with the PLC
The output end signal of device connects.Wireless communication module can be remote by information such as temperature that PLC controller receives and detection datas
Journey is transmitted to client, realizes the long-range monitoring to the flowmeter；When flowmeter breaks down, PLC controller starting alarm
Device ensure that the safety when flow meters work to notify staff.
6, the fixed mounting and insulation shell are polyurethane sheet, connecting plate and fixed peace in the insulation shell
Heat insulation sealing gasket is additionally provided between dress seat.Polyurethane sheet thermal coefficient is only 0.018~0.024w/ (m.k), is current all guarantors
Thermal coefficient is minimum in adiabator, and it ensure that insulation cladding with moisture-proof, waterproof performance, fire-retardant and resistant to high temperature performance
The thermal insulation property and security performance of body.Make insulation shell that there is good heat insulation effect, the i.e. temperature of fluid measured by flowmeter
It is smaller with the temperature difference of fluid actual temperature, it is ensured that the accuracy of measurement result.
Detailed description of the invention
Fig. 1 is the structure sectional view of the utility model bidirectional flow Annular Round Model PFB；
Fig. 2 is the control system block diagram of the utility model bidirectional flow Annular Round Model PFB.
In figure: 1, detection bar；2, differential pressure transmitter；3, positive pressure mean value pipe；4, static pressure mean value pipe；5, positive pressure detection hole；6,
Static pressure detection hole；7, positive pressure hole；8, static pressure hole；9, fixed mounting；10, insulation shell；11, PLC controller；12, control plane
Plate；13, connecting plate；14, refrigerant inlet；15, Heating medium；16, media outlet；17, heat insulation sealing gasket；18, the first temperature passes
Sensor；19, second temperature sensor.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
As shown in Figure 1, the utility model is a kind of bidirectional flow Annular Round Model PFB, including detection bar 1 and differential pressure transmitter
2, the detection bar 1 is hollow cavity structure, and the positive pressure mean value pipe being vertically arranged is equipped in the hollow cavity of the detection bar 1
3 and static pressure mean value pipe 4, the upper end of the positive pressure mean value pipe 3 and static pressure mean value pipe 4 is connect with the differential pressure transmitter 2, described
The lower end of positive pressure mean value pipe 3 and static pressure mean value pipe 4 is enclosed construction, is distinguished in the fluoran stream surface and lee side of the detection bar 1
Equipped with several positive pressure detection holes 5 and static pressure detection hole 6, it is respectively equipped on the positive pressure mean value pipe 3 and static pressure mean value pipe 4 several
Positive pressure hole 7 corresponding with positive pressure detection hole 5 and static pressure detection hole 6 and static pressure hole 8, the positive pressure detection hole 5 connect with positive pressure hole 7
Logical, the static pressure detection hole 6 is connected to static pressure hole 8, is equipped with fixed mounting 9, the fixed peace in the upper end of the detection bar 1
It fills seat 9 and is equipped with several mounting holes.It further include insulation shell 10, PLC controller 11 and control panel 12, the differential pressure transmitter
2 and detection bar 1 be located at the part of 9 upper end of fixed mounting and be packaged in the insulation shell 10, under the insulation shell 10
End margin connecting plate 13 with outward extension, the connecting plate 13 are solid by the upper surface of screw and the fixed mounting 9
Fixed connection, the first temperature sensor 18 is additionally provided in the hollow cavity of the detection bar 1, is set in the differential pressure transmitter 2
There is second temperature sensor 19, temperature comparison module is equipped in the PLC controller 11, the control panel 12 is equipped with power supply
Switch, operating switch, temperature range setting knob and display module are equipped with 14 He of refrigerant inlet in 10 side of insulation shell
15 other side of Heating medium is equipped with media outlet 16, is equipped with solenoid valve, the control in the refrigerant inlet 14, Heating medium 15
Panel 12, the first temperature sensor and differential pressure transmitter 2 processed are connect with the input end signal of the PLC controller 11, described
The solenoid valve of refrigerant inlet 14 and the solenoid valve of Heating medium 15 are connect with 11 output end signal of PLC controller, described
PLC controller 11 and control panel 12 are all set in the outside of the insulation shell 10.The fixed mounting 9 and insulation shell
10 be polyurethane sheet, is additionally provided with heat insulation sealing gasket 17 between the connecting plate 13 and fixed mounting 9 of the insulation shell 10.
Data result is consistent when in order to make the flowmeter measure fluid forward or backwards, that is, ensure that forward and reverse measures
As a result accuracy, preferred technical solution be, the cross section of the detection bar is round or diamond shape, the positive pressure detection hole and
Detection of negative pressure hole is located at one group of opposite top in both ends or lozenge shape cross-section of the same diameter of detection bar circular cross section
Point on.
Temperature is carried out to measurement temperature for the ease of real-time monitoring fluid flow, fluid temperature (F.T.), measurement temperature and setting
The variable range of compensation, further preferred technical solution is in addition, the display module includes flow quantity display unit, fluid temperature (F.T.)
Display unit, measurement temperature display unit and temperature range set display unit.
For the ease of realizing the long-range monitoring to the flowmeter, further preferred technical solution is in addition, further include wireless
Communication module and alarm, the wireless communication module and alarm are connect with the output end signal of the PLC controller.Nothing
The information remotes such as temperature that PLC controller receives and detection data can be transmitted to client by line communication module, be realized pair
The long-range monitoring of the flowmeter；When flowmeter breaks down, PLC controller starts alarm to notify staff, guarantees
The safety when flow meters work.
As shown in Fig. 2, the control panel, the first temperature sensor and differential pressure transmitter with the PLC controller
Input end signal connection, the solenoid valve of the refrigerant inlet, the solenoid valve wireless communication module of Heating medium and alarm with
The PLC controller output end signal connection.
The flow meters work principle:
By the flowmeter radially installed on fluid line to be measured, wherein positive pressure mean value pipe 3 is by different positive pressure detection holes 5
Differential pressure transmitter 2, the work of static pressure mean value pipe 4 are passed to after carrying out assembly average with the positive pressure data of different positive pressure holes 7 acquisition
Make principle with positive pressure mean value pipe 3, differential pressure transmitter 2 goes out the stream of fluid according to the positive pressure mean value and static pressure mean value computation that measure
Amount；
When fluid being measured is more sensitive to temperature, firstly, the power switch on control panel 12 is opened, secondly, passing through
Temperature range setting knob sets temperature range △ t=± X that the fluid is appropriate for flow measurement, finally opens work and opens
It closes, subsequent measurement working principle is same as above.
Wherein, the fluid temperature (F.T.) T1 in fluid line is transmitted to PLC controller, differential pressure transmitter by the first temperature sensor
The temperature T2 of the collected detected fluid of second temperature sensor is transmitted to PLC controller by 2, the temperature ratio in PLC controller
△ T=T1-T2 is compared with the temperature range value △ t=± X set compared with module, if △ T within the scope of △ t=± X,
Then PLC controller is not as PLC controller on the contrary issues stream to the solenoid valve of refrigerant inlet 14 and the solenoid valve of Heating medium 15
Regulating command is measured, until the value of △ T is within the scope of △ t=± X；
When flowmeter breaks down, the output end of PLC controller issues start command to alarm, alarm work with
Notify staff；
PLC controller passes through wireless communication module to Terminal Server Client transmitted traffic data, temperature data or fault data.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (6)
1. a kind of bidirectional flow Annular Round Model PFB, which is characterized in that including detection bar and differential pressure transmitter, during the detection bar is
Cavity body structure is equipped with the positive pressure mean value pipe and static pressure mean value pipe being vertically arranged in the hollow cavity of the detection bar, described
The upper end of positive pressure mean value pipe and static pressure mean value pipe is connect with the differential pressure transmitter, the positive pressure mean value pipe and static pressure mean value pipe
Lower end be enclosed construction, the fluoran stream surface and lee side of the detection bar be respectively equipped with several positive pressure detection holes and static pressure inspection
Gaging hole is respectively equipped with several corresponding with positive pressure detection hole and static pressure detection hole on the positive pressure mean value pipe and static pressure mean value pipe
Positive pressure hole and static pressure hole, the positive pressure detection hole be connected to positive pressure hole, the static pressure detection hole is connected to static pressure hole, described
The upper end of detection bar is equipped with fixed mounting, and the fixed mounting is equipped with several mounting holes.
2. bidirectional flow Annular Round Model PFB as described in claim 1, which is characterized in that the cross section of the detection bar is circle
Or diamond shape, the positive pressure detection hole and detection of negative pressure hole be located at the same diameter of detection bar circular cross section both ends or
On one group of opposite vertex of lozenge shape cross-section.
3. bidirectional flow Annular Round Model PFB as claimed in claim 2, which is characterized in that further include insulation shell, PLC controller
And control panel, the part that the differential pressure transmitter and detection bar are located at fixed mounting upper end are packaged in the insulation shell
Interior, the insulation shell lower edge connecting plate with outward extension, the connecting plate passes through screw and the fixed installation
The upper surface of seat is fixedly connected, and the first temperature sensor is additionally provided in the hollow cavity of the detection bar, is become in the differential pressure
It send and is equipped with second temperature sensor in device, temperature comparison module is equipped in the PLC controller, the control panel is equipped with electricity
Source switch, operating switch, temperature range setting knob and display module are equipped with refrigerant inlet and heat in the insulation shell side
Matchmaker's import other side is equipped with media outlet, is equipped with solenoid valve in the refrigerant inlet, Heating medium, the control panel, the
One temperature sensor and differential pressure transmitter are connect with the input end signal of the PLC controller, the electromagnetism of the refrigerant inlet
The solenoid valve of valve and Heating medium is connect with the PLC controller output end signal, and the PLC controller and control panel are equal
It is set to the outside of the insulation shell.
4. bidirectional flow Annular Round Model PFB as claimed in claim 3, which is characterized in that the display module includes flow indication
Unit, fluid temperature (F.T.) display unit, measurement temperature display unit and temperature range set display unit.
5. bidirectional flow Annular Round Model PFB as claimed in claim 4, which is characterized in that further include wireless communication module and alarm
Device, the wireless communication module and alarm are connect with the output end signal of the PLC controller.
6. bidirectional flow Annular Round Model PFB as claimed in claim 5, which is characterized in that the fixed mounting and insulation shell
It is polyurethane sheet, is additionally provided with heat insulation sealing gasket between the connecting plate and fixed mounting of the insulation shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493904.0U CN209639770U (en) | 2019-04-12 | 2019-04-12 | A kind of bidirectional flow Annular Round Model PFB |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920493904.0U CN209639770U (en) | 2019-04-12 | 2019-04-12 | A kind of bidirectional flow Annular Round Model PFB |
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| Publication Number | Publication Date |
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| CN209639770U true CN209639770U (en) | 2019-11-15 |
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ID=68497506
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654603A (en) * | 2021-08-16 | 2021-11-16 | 河南省奥瑞环保科技股份有限公司 | Flow velocity surface measuring device |
-
2019
- 2019-04-12 CN CN201920493904.0U patent/CN209639770U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654603A (en) * | 2021-08-16 | 2021-11-16 | 河南省奥瑞环保科技股份有限公司 | Flow velocity surface measuring device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231101 Address after: 214400 No.98, Qiaoqi Renmin Road, XuXiake Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Weiersheng Electronic Technology Co.,Ltd. Address before: 214400 No.12 Fuyuan Road, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: Jiangyin Weisheng Instrument Manufacturing Co.,Ltd. |
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| TR01 | Transfer of patent right |