CN209570222U - A kind of gas flow surveying instrument - Google Patents
A kind of gas flow surveying instrument Download PDFInfo
- Publication number
- CN209570222U CN209570222U CN201920408431.XU CN201920408431U CN209570222U CN 209570222 U CN209570222 U CN 209570222U CN 201920408431 U CN201920408431 U CN 201920408431U CN 209570222 U CN209570222 U CN 209570222U
- Authority
- CN
- China
- Prior art keywords
- sensor
- temperature sensor
- pressure sensor
- pressure
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The utility model discloses a kind of gas flow surveying instruments, and first pressure sensor and the first temperature sensor are arranged in the aditus laryngis of Venturi tube；The entrance of Venturi tube is arranged in second pressure sensor and second temperature sensor；Main control chip one end is respectively connected with the first temperature sensor, second temperature sensor, first pressure sensor and second pressure sensor, and the other end of main control chip is connected with wireless communication module.Pass through gas flow surveying instrument disclosed above, the collected temperature data of each sensor and pressure data are calculated using main control chip, obtain the gas flow data of pipeline, and module sends data on flows by wireless communication, the transmission of data is carried out using wireless communication module, signal harness is effectively reduced, to reduce installation difficulty.
Description
Technical field
The utility model relates to field of measuring technique, specially a kind of gas flow surveying instrument.
Background technique
With the development of the advanced technologies theory such as Internet of Things, intelligence manufacture, more and more vehicles, equipment are required to it
Internal some gas piping flows are measured in real time, and the data obtained by measurement carry out vehicle or equipment intelligent
Control, monitoring, health control etc., it is therefore desirable to vehicle, equipment gas piping in flowmeter is installed, i.e. flow measurement fills
It sets, the gas flow in vehicle or equipment is measured by flow measurement device.
But in the prior art, the signal harness of flow measurement device is more, therefore, surveys in the gas flow of installation
When measuring device, wiring is complicated, and installation difficulty is larger.
Utility model content
In view of this, the utility model embodiment provides a kind of gas flow surveying instrument, by using wireless communication
Module reduces signal harness, to reduce installation difficulty.
To achieve the above object, the utility model embodiment provides the following technical solutions:
A kind of gas flow surveying instrument, comprising: Venturi tube, first pressure sensor, second pressure sensor, first
Temperature sensor, second temperature sensor, wireless communication module and main control chip；
The aditus laryngis of the Venturi tube is arranged in the first pressure sensor and first temperature sensor；
The entrance of the Venturi tube is arranged in the second pressure sensor and the second temperature sensor；
Described main control chip one end and first temperature sensor, second temperature sensor, first pressure sensor and
Second pressure sensor is respectively connected with, and the other end of the main control chip is connected with the wireless communication module.
Preferably, the aditus laryngis of the Venturi tube is arranged in the wireless communication module, and in the outer of the Venturi tube
On side wall.
Preferably, first temperature sensor and the second temperature sensor are infrared temperature sensor.
Preferably, the first pressure sensor and the second pressure sensor are piezoresistive pressure sensor.
Preferably, the main control chip, comprising:
With the first pressure sensor, the second pressure sensor, first temperature sensor and described second
The receiving end of temperature sensor connection, receives the first pressure sensor and the collected pressure of second pressure sensor, with
And receive first temperature sensor and the collected temperature of second temperature sensor；
The processor being connect with the receiving end.
Preferably, the wireless communication module includes WIFI equipment.
Based on a kind of above-mentioned gas flow surveying instrument provided by the embodiment of the utility model, by the way that first pressure is sensed
The aditus laryngis of Venturi tube is arranged in device and the first temperature sensor；Second pressure sensor and second temperature sensor are arranged in text
The entrance of venturi；Main control chip one end and the first temperature sensor, second temperature sensor, first pressure sensor and the
Two pressure sensors are respectively connected with, and the other end of main control chip is connected with wireless communication module.Pass through gas stream disclosed above
The collected temperature data of each sensor and pressure data are calculated using main control chip, obtain pipe by measuring device
The gas flow data in road, and module sends data on flows by wireless communication, is counted using wireless communication module
According to transmission, signal harness is effectively reduced, to reduce installation difficulty.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of gas flow surveying instrument structural schematic diagram provided by the embodiment of the utility model；
Fig. 2 is another gas flow surveying instrument structural schematic diagram provided by the embodiment of the utility model；
Fig. 3 is another gas flow surveying instrument structural schematic diagram provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the present invention, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, article or equipment for including a series of elements not only includes those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, article or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method, article or equipment of element.
The utility model embodiment provides a kind of gas flow surveying instrument, and referring to Fig. 1, above system includes: venturi
Pipe 100, first pressure sensor 101, second pressure sensor 102, the first temperature sensor 103, second temperature sensor
104, wireless communication module 105 and main control chip 106.
It should be noted that the Venturi tube 100 be circular hollow pipeline, the Venturi tube 100 by entrance,
Contraction section, aditus laryngis and diffuser composition, 100 insides of pipes of Venturi tube is first to shrink the pipeline being then gradually expanded.
The larynx of the Venturi tube 100 is arranged in the first pressure sensor 101 and first temperature sensor 103
Mouthful.
Entering for the Venturi tube 100 is arranged in the second pressure sensor 102 and the second temperature sensor 104
Mouth section.
It should be noted that first temperature sensor 103 and the second temperature sensor 104 are for acquiring literary mound
In the aditus laryngis of pipe 100 and the temperature data of entrance.
First temperature sensor 103 and the second temperature sensor 104 can be the temperature sensing of disposable type
Device, it is only necessary to meet the aditus laryngis and entrance that may be disposed at Venturi tube 100, in the present invention not to its model
It limits.
Preferably, in the present invention, first temperature sensor 103 and the second temperature sensor 104 are
Infrared temperature sensor.
The first pressure sensor 101 and the second pressure sensor 102 are mainly used for acquiring Venturi tube 100
The pressure data of aditus laryngis and entrance.
The first pressure sensor 101 and the second pressure sensor 102 can be the pressure sensing of disposable type
Device, it is only necessary to meet the aditus laryngis and entrance for being set to Venturi tube 100, in the present invention and without limitation.
Preferably, in the present invention, the first pressure sensor 101 and the second pressure sensor 102 are
Piezoresistive pressure sensor.
Described 106 one end of main control chip and first temperature sensor 103, second temperature sensor 104, first pressure
Sensor 101 and second pressure sensor 102 are respectively connected with, the other end and wireless communication module 105 of the main control chip 106
It is connected.
It should be noted that the wireless communication module 105 is mainly used for handling main control chip 106 by wireless signal
Data afterwards are sent, and therefore, the wireless communication module 105 is can be set under the premise of being able to achieve function in any position
It sets.
In the present invention, it is preferred that the aditus laryngis of the Venturi tube is arranged in the wireless communication module, and in institute
It states on the lateral wall of Venturi tube.
The wireless communication module is the device that can be sent data and receive data, can be any communication equipment, at this
In utility model, and it is not specifically limited.
In the present invention, it is preferred that the preferred WIFI equipment of wireless communication module.
The course of work of the main control chip 106 in order to facilitate understanding below carries out the course of work of main control chip 106
Explanation.
Main control chip 106 receives first pressure sensor 101 collected pressure value and second pressure sensing at aditus laryngis
Device 102 in the collected pressure value of entrance, and receive the first temperature sensor 103 at aditus laryngis collected temperature value and
Second temperature sensor 104 is handled in the collected temperature value of entrance, then by pressure value and temperature value, the stream that will be obtained
Data are measured, module 105 is sent to Internet of Things in equipment, health control module by wireless communication.
106 specific structure of main control chip, as shown in Fig. 2, the main control chip 106 includes:
With the first pressure sensor 101, the second pressure sensor 102, first temperature sensor 103 and
The receiving end 201 that the second temperature sensor 104 connects receives the first pressure sensor 101 and second pressure sensing
The collected pressure of device 102, and receive first temperature sensor 103 and the collected temperature of second temperature sensor 104
Degree.
The processor 202 being connect with the receiving end 201.
It should be noted that the processor 202 passes through received pressure data and temperature data, and use Na Weisituo
Gram this equation calculation goes out the real-time flow of pipeline.
How collected pressure data and temperature data to be calculated by above-mentioned apparatus, is obtained in order to facilitate understanding
Final data on flows, is specifically described below.
Firstly, it is necessary to which the aditus laryngis for the calculating parameter and flowmeter demarcated according to the flow meter calibration platform of prior standard is straight
The physical sizes such as diameter.
Secondly, calculating real-time flow using navier stokes equations.
The navier stokes equations are referring to formula (1)
Formula (1):
It should be noted that ρ is fluid density, P is pressure, and v is speed, and μ is dynamic viscosity coefficient.
The aditus laryngis of Venturi tube is arranged in first pressure sensor and the first temperature sensor by the utility model；Second pressure
The entrance of Venturi tube is arranged in force snesor and second temperature sensor；Main control chip one end and the first temperature sensor,
Second temperature sensor, first pressure sensor and second pressure sensor are respectively connected with, the other end of main control chip and wireless
Communication module is connected.It is using main control chip that each sensor is collected by gas flow surveying instrument disclosed above
Temperature data and pressure data are calculated, and the gas flow data of pipeline is obtained, and by wireless communication module by flow number
According to being sent, the transmission of data is carried out using wireless communication module, signal harness is effectively reduced, to reduce installation difficulty.
Disclosed gas flow surveying instrument based on the above embodiment, as shown in figure 3, can also be in the Venturi tube
Entrance increases third pressure sensor 301 and third temperature sensor 302, increases by the 4th pressure sensor at the aditus laryngis
303 and the 4th temperature sensor 304.
The third pressure sensor 301 and third temperature sensor 302 and the 4th pressure sensor 303 and the 4th
Temperature sensor 304 is all connected with main control chip 106.
It is collected each at aditus laryngis that main control chip 106 receives the 4th pressure sensor 303 and first pressure sensor 101
From pressure value, by collected two pressure values carry out mean value calculation, obtain average pressure value at aditus laryngis.
It is collected each at aditus laryngis that main control chip 106 receives the 4th temperature sensor 304 and the first temperature sensor 103
From temperature value, by collected two temperature values carry out mean value calculation, obtain average temperature value at aditus laryngis.
Main control chip 106 receives third pressure sensor 301 and second pressure sensor 102 in the respective pressure of entrance
Collected two pressure values are carried out mean value calculation, obtain entrance pressure mean values by force value.
Main control chip 106 receives third temperature sensor 302 and second temperature sensor 104 in the respective temperature of entrance
Collected two temperature values are carried out mean value calculation, obtain entrance temperature averages by angle value.
Main control chip 106 according to the average temperature value of the average pressure value and average temperature value of entrance and aditus laryngis and
Average pressure value is calculated, and obtains final data on flows, then module is sent to equipment by wireless communication by data on flows
On Internet of Things, health control module.
It should be noted that by increasing a pressure sensor and a temperature sensing at the aditus laryngis in Venturi tube
Device, and increase a pressure sensor and a temperature sensor in entrance, by being taken to the temperature and pressure at aditus laryngis
The temperature and pressure of average value and entrance is averaged, then the average value that will acquire is calculated, it is ensured that flow
The accuracy of data, while in a certain temperature or pressure sensor operation irregularity, moreover it is possible to continue flow measurement.
The utility model by increasing a pressure sensor and a temperature sensor at the aditus laryngis in Venturi tube,
And increase a pressure sensor and a temperature sensor in entrance, multiple temperature datas at aditus laryngis are obtained, are calculated
The average value of temperature at aditus laryngis obtains multiple pressure datas at aditus laryngis, calculates the average value of pressure at aditus laryngis, obtains entrance
Multiple temperature datas calculate the average value of entrance temperature, and obtain multiple pressure datas of entrance, calculate entrance
The average value of pressure, then calculated based on each average value, finally obtain data on flows.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Ordinary skill
Personnel can understand and implement without creative efforts.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (6)
1. a kind of gas flow surveying instrument characterized by comprising Venturi tube, first pressure sensor, second pressure pass
Sensor, the first temperature sensor, second temperature sensor, wireless communication module and main control chip；
The aditus laryngis of the Venturi tube is arranged in the first pressure sensor and first temperature sensor；
The entrance of the Venturi tube is arranged in the second pressure sensor and the second temperature sensor；
Described main control chip one end and first temperature sensor, second temperature sensor, first pressure sensor and second
Pressure sensor is respectively connected with, and the other end of the main control chip is connected with the wireless communication module.
2. the apparatus according to claim 1, which is characterized in that the Venturi tube is arranged in the wireless communication module
Aditus laryngis, and on the lateral wall of the Venturi tube.
3. the apparatus according to claim 1, which is characterized in that first temperature sensor and second temperature sensing
Device is infrared temperature sensor.
4. the apparatus according to claim 1, which is characterized in that the first pressure sensor and second pressure sensing
Device is piezoresistive pressure sensor.
5. the apparatus according to claim 1, which is characterized in that the main control chip, comprising:
With the first pressure sensor, the second pressure sensor, first temperature sensor and the second temperature
The receiving end of sensor connection, receives the first pressure sensor and the collected pressure of second pressure sensor, Yi Jijie
Receive first temperature sensor and the collected temperature of second temperature sensor；
The processor being connect with the receiving end.
6. the apparatus according to claim 1, which is characterized in that the wireless communication module includes WIFI equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408431.XU CN209570222U (en) | 2019-03-28 | 2019-03-28 | A kind of gas flow surveying instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920408431.XU CN209570222U (en) | 2019-03-28 | 2019-03-28 | A kind of gas flow surveying instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209570222U true CN209570222U (en) | 2019-11-01 |
Family
ID=68335735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920408431.XU Active CN209570222U (en) | 2019-03-28 | 2019-03-28 | A kind of gas flow surveying instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209570222U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747796A (en) * | 2020-12-23 | 2021-05-04 | 一汽解放汽车有限公司 | Measuring device and calculating method for air intake flow of diesel engine |
-
2019
- 2019-03-28 CN CN201920408431.XU patent/CN209570222U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112747796A (en) * | 2020-12-23 | 2021-05-04 | 一汽解放汽车有限公司 | Measuring device and calculating method for air intake flow of diesel engine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20100199779A1 (en) | Multiphase flowmeter using a combination of pressure differentials and ultrasound doppler readings | |
| CN104389581B (en) | Underground fluid induction device and fluid flow velocity measuring system using same | |
| ATE484734T1 (en) | METHOD AND DEVICE FOR MEASURING PARAMETERS OF A COATED FLOW | |
| WO2005010469A3 (en) | A dual function flow measurement apparatus having an array of sensors | |
| CN102735300B (en) | Gas flowmeter and gas flow rate measuring method | |
| JPH0618541A (en) | Method and device for measuring unstationary flow rate | |
| WO2004079303A3 (en) | Device and method enabling fluid characteristic measurement utilizing fluid acceleration | |
| CN106289121B (en) | A kind of computational methods of the equivalent pipe range of reducer pipe | |
| CN209570222U (en) | A kind of gas flow surveying instrument | |
| CN102095749A (en) | Device and method for measuring parameters of gas-liquid two-phase flow in micro-pipes based on thermal measurement method | |
| CN104729582A (en) | Temperature detection method for ultrasonic flow detection and ultrasonic flow metering device | |
| US7447599B2 (en) | Method and system for generating an uncertainty value | |
| CN103822095A (en) | Method and device for predicting ice blockage formation of natural gas conveying pipeline | |
| CN104005974B (en) | A kind of Coal Mine Ventilator flow-measuring method based on pressure correlation method | |
| CN202955483U (en) | Prediction device for ice blockage formation of natural gas conveying pipeline | |
| CN2798052Y (en) | Probe type flow sensor | |
| JP2010256075A (en) | Flowmeter and method of measuring flow rate | |
| CN106289415A (en) | A kind of piping flow calculates method, device and pipe-line system | |
| CN206709908U (en) | A kind of elbow meter | |
| WO2019058103A1 (en) | An airflow measurement device | |
| CN210919206U (en) | Automobile exhaust flowmeter | |
| CN100561138C (en) | A kind of flow measurement method that is used for shunt measurement device | |
| CN208155370U (en) | A kind of apparatus for measuring air quantity | |
| CN203011438U (en) | Gas-liquid two-phase flow pitotbar flow meter | |
| CN206311160U (en) | A kind of mass air flow sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |