CN211013063U - Pipeline working condition detection equipment - Google Patents
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Abstract
The utility model discloses a pipeline operating mode check out test set, including differential pressure flowmeter and treater, differential pressure flowmeter includes diversion pipe section and straight tube section, and the diversion pipe section is equipped with pressure sensor, and the straight tube section is equipped with the first interface that is suitable for with the pipeline air intake connection that awaits measuring, and the treater links to each other with pressure sensor. When the working condition to be detected is accessed, gas enters the pipeline working condition detection equipment from the diversion pipe section of the differential pressure flowmeter, flows into the working condition to be detected through the straight pipe section and the first interface connected with the air inlet of the pipeline to be detected, and obtains the working condition of the pipeline to be detected by obtaining pressure data of the diversion pipe section and calculating. The pipeline working condition detection equipment can accurately obtain the working condition of the pipeline to be detected.
Description
Technical Field
The utility model relates to the technical field of household appliances, concretely relates to pipeline operating mode check out test set.
Background
In household appliances, the working condition of the fan, namely the back pressure generated by the resistance coefficient of the pipeline and local parts, is closely related to the working state of the fan. The estimation of the total resistance coefficient of the product is insufficient, so that the fan system is not matched, and the product performance does not reach the standard; the resistance coefficient of local parts of the product is not accurately calculated, and the inaccurate optimization direction can be easily found in the product development process, so that the product development period is prolonged; under the use scene of a product user, the consideration of working conditions is not good, the practical use performance and the design performance of the product are far away, the air quantity of the fan in the product is reduced under the working environment with large resistance, the noise is increased, the efficiency is lowered, and the user experience is reduced.
At present, there is a portable detection device for smoke ventilator, inserts detection device in the middle of smoke ventilator and public flue, and detection device uses hot wire anemometer to measure the amount of wind, and pressure sensor measures pressure for detect after sales personnel's maintenance effect. However, the above device has the following disadvantages: because the wind speed at the outlet of the fan is extremely fast and uneven, the measurement deviation and the fluctuation of a hot wire anemometer measured by a single point are large, so that the wind volume measurement is inaccurate; although the flow stabilizing net is configured for stabilizing the wind speed, the measurement inaccuracy caused by the resistance of the flow stabilizing net is not considered.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a pipeline operating mode check out test set to solve current portable detection device and measure unsafe problem.
According to a first aspect, the embodiment of the utility model provides a pipeline operating mode check out test set is provided, including differential pressure flowmeter and treater, differential pressure flowmeter includes water conservancy diversion pipeline section and straight tube section, the water conservancy diversion pipeline section is equipped with pressure sensor, the straight tube section be equipped with be suitable for with the pipeline air intake connection's that awaits measuring first interface, the treater with pressure sensor links to each other.
The embodiment of the utility model provides a pipeline operating mode check out test set is when inserting the operating mode that awaits measuring, and gaseous diversion pipeline section from differential pressure flowmeter gets into pipeline operating mode check out test set to through the straight tube section, by the straight tube section and the pipeline air intake connection's that awaits measuring first interface inflow operating mode that awaits measuring, the treater links to each other with pressure sensor and acquires pressure data, obtains the operating mode of the pipeline that awaits measuring through calculating. The measured value is only the pressure of the guide pipe section, and the pressure sensor is arranged on the guide pipe section instead of the pipeline to be detected, so that the working condition of the pipeline to be detected can be accurately obtained by using the pipeline working condition detection equipment under the condition that the pipeline to be detected is not influenced.
With reference to the first aspect, in a first embodiment of the first aspect, the pipeline working condition detection device further includes a fan and a fan housing; the fan comprises a fan air inlet and a fan air outlet, and the fan air outlet is provided with a second interface suitable for being connected with the air inlet of the pipeline to be tested; the fan outer cover is used for surrounding the fan air inlet, and a third interface which is suitable for being connected with the first interface of the straight pipe section is arranged on the fan outer cover.
With reference to the first aspect or the first embodiment of the first aspect, in a second embodiment of the first aspect, the differential pressure flow meter includes a circular arc conduit flow meter, an orifice plate flow meter, and a float flow meter.
With reference to the second embodiment of the first aspect, in the third embodiment of the first aspect, when the differential pressure flowmeter is an arc-shaped conduit flowmeter, the flow guide pipe section is an arc-shaped flow guide pipe section, a bell mouth is arranged at one end of the arc-shaped flow guide pipe section, which is far away from the straight pipe section, and the pressure sensor is located on the bell mouth.
With reference to the third embodiment of the first aspect, in the fourth embodiment of the first aspect, a plurality of pressure sensors are equidistantly distributed on the bell mouth.
With reference to the first aspect or the first embodiment of the first aspect, in a fifth embodiment of the first aspect, the pipe condition detection apparatus further includes a display device connected to the processor.
According to the second aspect, the embodiment of the utility model provides a pipeline operating mode detection method is applied to pipeline operating mode check out test set, pipeline operating mode check out test set includes differential pressure flowmeter and treater, differential pressure flowmeter includes water conservancy diversion pipeline section and straight tube section, the water conservancy diversion pipeline section is equipped with pressure sensor, the straight tube section is equipped with the first interface that is suitable for with the pipeline air intake connection that awaits measuring, and wherein pipeline operating mode detection method includes following step:
acquiring the pressure of a flow guide pipe section of the differential pressure flowmeter;
calculating the gas flow velocity of the guide pipe section according to the pressure of the guide pipe section and the resistance coefficient of the guide pipe section;
and calculating the pressure of the pipeline to be measured according to the gas flow velocity of the flow guide pipe section.
The embodiment of the utility model provides a pipeline operating mode detection method can obtain the pressure of the pipeline that awaits measuring through the pressure of the differential pressure flowmeter diversion pipe section that acquires and the resistance coefficient of differential pressure flowmeter diversion pipe section through calculating, because the measured value only is the pressure of diversion pipe section, pressure sensor arranges at the diversion pipe section rather than the pipeline that awaits measuring, so utilize above-mentioned pipeline operating mode check out test set can be under the condition that does not influence the pipeline that awaits measuring more accurate obtain the operating mode of the pipeline that awaits measuring.
With reference to the second aspect, in the first embodiment of the second aspect, the method for detecting the working condition of the pipeline further includes the following steps: and calculating the resistance coefficient or/and the local resistance coefficient of the pipeline to be detected according to the pressure of the pipeline to be detected.
With reference to the second aspect or the first embodiment of the second aspect, in a second embodiment of the second aspect, calculating a gas flow rate of the flow pipe section according to the pressure of the flow pipe section and the resistance coefficient of the flow pipe section includes:
calculating the pressure of the differential pressure flowmeter flow guide pipe section by using the pressure of the differential pressure flowmeter flow guide pipe section;
and calculating the gas flow velocity of the flow guide pipe section according to the pressure of the flow guide pipe section of the differential pressure flowmeter and the resistance coefficient of the flow guide pipe section.
With reference to the second aspect or the first embodiment of the second aspect, in a third embodiment of the second aspect, the calculating the pressure of the pipeline to be measured according to the gas flow rate of the guide pipe section includes the following steps:
calculating the gas flow of the guide pipe section according to the gas flow rate of the guide pipe section;
calculating the gas flow rate at the outlet of the fan according to the gas flow of the guide pipe section;
calculating the pressure at the outlet of the fan according to the gas flow rate at the outlet of the fan and the pressure of the flow guide pipe section;
and obtaining the pressure of the pipeline to be measured according to the pressure at the outlet of the fan.
With reference to the third embodiment of the second aspect, in the fourth embodiment of the second aspect, calculating a resistance coefficient or/and a local resistance coefficient of the pipe to be tested according to the pressure of the pipe to be tested includes the following steps:
acquiring the gas flow rate at the outlet of the fan;
and calculating the resistance coefficient or/and the local resistance coefficient of the pipeline to be tested according to the pressure of the pipeline to be tested and the gas flow rate at the outlet of the fan.
With reference to the third embodiment of the second aspect, in a fifth embodiment of the second aspect, calculating a gas flow rate at the outlet of the fan according to the gas flow of the guide pipe sections includes the following steps:
obtaining the gas flow at the outlet of the fan according to the gas flow of the guide pipe section;
and calculating the gas flow velocity at the outlet of the fan according to the gas flow at the outlet of the fan.
With reference to the third embodiment of the second aspect, in a sixth embodiment of the second aspect, calculating the pressure at the fan outlet from the gas flow rate at the fan outlet and the pressure of the duct section includes: and calculating the pressure at the outlet of the fan by using a Bernoulli equation according to the gas flow velocity at the outlet of the fan and the pressure of the flow guide pipe section.
According to the third aspect, the embodiment of the utility model provides a pipeline operating mode detection device is applied to pipeline operating mode check out test set, pipeline operating mode check out test set includes differential pressure flowmeter and treater, differential pressure flowmeter includes water conservancy diversion pipeline section and straight tube section, the water conservancy diversion pipeline section is equipped with pressure sensor, the straight tube section be equipped with be suitable for with the pipeline air intake connection's that awaits measuring first interface, include:
the acquisition module is used for acquiring the pressure of the flow guide pipe section of the differential pressure flowmeter;
the first processor is used for calculating the gas flow velocity of the guide pipe section according to the pressure of the guide pipe section and the resistance coefficient of the guide pipe section;
and the second processor is used for calculating the pressure of the pipeline to be measured according to the gas flow velocity of the flow guide pipe section.
According to a fourth aspect, the present invention further provides a computer-readable storage medium, where computer instructions are stored, and the computer instructions are configured to enable the computer to execute the method for detecting the working condition of the pipeline according to any one of the second aspect or the embodiments of the second aspect.
Drawings
The features and advantages of the invention will be more clearly understood by reference to the accompanying drawings, which are schematic and should not be understood as imposing any limitation on the invention, in which:
fig. 1 is a schematic structural diagram of a pipeline working condition detection device in embodiment 1 of the present invention;
fig. 2 is a schematic position diagram of a specific example of the pressure sensor according to embodiment 1 of the present invention;
fig. 3 is a schematic view of positions of an air inlet and an air outlet in another modified embodiment of embodiment 1 of the present invention;
fig. 4 is a schematic flow chart of the pipeline working condition detection method according to embodiment 2 of the present invention;
fig. 5 is a schematic structural view of a pipeline working condition detection device according to embodiment 3 of the present invention;
wherein:
1. a differential pressure flow meter; 2. a fan housing; 3. a fan; 4. a processor; 5. a second interface; 6. a bell mouth; 7. a first pressure sensor; 8. a second pressure sensor; 9. a third pressure sensor; 10. a fourth pressure sensor; 11. an air inlet; 12. and (7) air outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
The embodiment 1 of the utility model provides a pipeline working condition detection equipment, as shown in fig. 1, including differential pressure flowmeter 1 and treater 4, differential pressure flowmeter 1 includes diversion pipe section and straight tube section, the diversion pipe section is equipped with pressure sensor, the straight tube section is equipped with the first interface that is suitable for with the pipeline air intake connection that awaits measuring; the processor 4 is connected to the pressure sensor.
When the pipeline to be detected is detected by the pipeline working condition detection equipment, gas enters the pipeline working condition detection equipment through the diversion pipe section. In the embodiment of the utility model, the straight tube section can choose different diameters for use according to the difference that detects the amount of wind. The first interface can be directly connected with an air inlet of a pipeline to be tested and can also be connected through a switching interface.
As a specific embodiment, the differential pressure flowmeter 1 may be a circular arc conduit flowmeter, an orifice plate flowmeter, or a float flowmeter. The circular arc conduit flowmeter comprises a circular arc flow guide pipe section and a straight pipe section, wherein the circular arc flow guide pipe section is an air inlet end, a bell mouth 6 is arranged at one end, far away from the straight pipe section, of the circular arc flow guide pipe section, and the pressure sensor is positioned on the bell mouth 6. When the pipeline to be detected is detected by using the pipeline working condition detection equipment, gas enters the pipeline working condition detection equipment through the bell mouth 6 of the diversion pipe section.
In a specific embodiment, the pressure sensors are distributed equidistantly on the bell mouth 6 of the circular arc-shaped guide pipe section.
After the processor 4 obtains the pressure transmitted by the pressure sensor, the working condition of the pipeline to be measured is calculated through a built-in algorithm. The working condition of the pipeline to be tested comprises the pressure of the pipeline to be tested, the resistance coefficient of the pipeline to be tested, the local pressure of the pipeline to be tested, the local resistance coefficient of the pipeline to be tested and the like.
As an improved technical scheme, the pipeline working condition detection equipment further comprises a display device connected with the processor 4 and used for displaying the numerical value calculated by the processor 4 or/and the standard numerical value.
The pipeline working condition detection equipment is suitable for the condition that a fan exists in the working condition to be detected, when the fan exists in the working condition to be detected, the pipeline working condition detection equipment is directly connected to the air inlet of the working condition to be detected through the first interface, the fan in the working condition to be detected is started, gas enters the pipeline working condition detection equipment from the flow guide pipe section of the differential pressure flowmeter 1, and flows into the working condition to be detected through the straight pipe section and the first interface connected with the air inlet of the pipeline to be detected. The processor 4 is connected with the pressure sensor to obtain pressure data, and the working condition of the pipeline to be measured is obtained through calculation. The measured value is only the pressure of the guide pipe section, and the pressure sensor is arranged on the guide pipe section instead of the pipeline to be detected, so that the working condition of the pipeline to be detected can be accurately obtained by using the pipeline working condition detection equipment under the condition that the pipeline to be detected is not influenced.
As another improved technical scheme, the pipeline working condition detection equipment further comprises a fan 3 and a fan housing 2. As shown in fig. 1, the pipeline working condition detection device comprises a differential pressure flowmeter 1, a processor 4, a fan 3 and a fan housing 2; the differential pressure flowmeter 1 comprises a flow guide pipe section and a straight pipe section, wherein the flow guide pipe section is provided with a pressure sensor, and the straight pipe section is provided with a first interface suitable for being connected with an air inlet of a pipeline to be measured; the processor 4 is connected with the pressure sensor; the fan 3 comprises a fan air inlet and a fan air outlet, and the fan air outlet is provided with a second interface 5 suitable for being connected with the air inlet of the pipeline to be tested; the fan outer cover 2 is used for surrounding the fan air inlet, and a third interface which is suitable for being connected with the first interface of the straight pipe section is arranged on the fan outer cover 2. The second interface at the outlet air of the fan can be directly connected with the air inlet of the pipeline to be tested or connected with the conversion head; the third interface and the first interface can be directly connected or can be connected through a conversion head.
As a specific embodiment, the diameter of the fan housing 2 is the same as the diameter of the straight pipe section, and the third interface on the fan housing 2 and the first interface on the straight pipe section may be directly connected, and need to be air-tight without damaging the components, and connection manners such as but not limited to bayonet and screw may be selected. When the differential pressure flowmeter 1 is a circular arc conduit flowmeter, as shown in fig. 2, 4 pressure sensors, namely, a first pressure sensor 7, a second pressure sensor 8, a third pressure sensor 9 and a fourth pressure sensor 10 are equidistantly distributed on the bell mouth 6 of the circular arc conduit flowmeter.
When pipeline operating mode check out test set includes fan 3 and fan dustcoat 2, the fan export is pipeline operating mode check out test set air outlet, is furnished with the second interface 5 that is connected with different size pipelines and part, connects and guarantees easy dismouting easy to be dismantled, and does not leak wind and do not harm the part, and optional but not limited to bayonet socket, screw thread etc. connected mode, and can use the switching mouth to connect when the shape is different.
The fan 3 can select the air volume under the pressure according to the measured pressure>0[m3/h]Centrifugal, cross-flow, axial flow fans.
The other improved technical scheme is suitable for the condition that the system to be tested does not have a fan. When the system to be tested has no fan, the second interface 5 at the air outlet of the fan is connected to the air inlet of the working condition to be tested. Fig. 3 is the position schematic diagram of air intake and air outlet in embodiment 1 of another modified, as shown in fig. 3, open the system fan, the gas flows in from the diversion pipe section (i.e. air intake 11) of pipeline operating mode check out test set, flows in the operating mode to be tested through straight pipe section, fan air intake and fan air outlet (i.e. air outlet 12) in proper order.
The pipeline working condition detection equipment can measure different products, pipelines and parts through the type selection and matching combination of the fan system (comprising the fan 3 and the fan housing 4) and the differential pressure flowmeter 1, and is widely applied to research and development, market research and after-sale problem processing stages. The following description takes a range hood as an example:
when a fan system in the range hood works, due to the existence of the outlet pressure of the fan, the working condition point of a user during use is far away from the maximum air quantity marked by the range hood. The fan outlet pressure is composed of a user household smoke tube and a public flue: on one hand, the working condition resistance of the range hood is increased because a smoke pipe in a user's home is often careless during installation; on the other hand, as a plurality of users select the machine type with unmatched performance without considering the condition of the public flue when purchasing the range hood, the air volume of the fan is small when the fan is used, the smoke exhaust is poor, and the user experience is poor. In order to solve the problem, the common method at present is that when an installation master installs the smoke exhaust pipe, the smoke exhaust pipe is straightened subjectively as much as possible; the influence of the public flue on the model selection is not publicized in the sale. However, without quantitative working condition indexes, it is difficult to measure the installation effect of an installer and the professional degree of the recommended model sold, and the use experience of the user is directly influenced.
By using the portable pipeline working condition detection equipment provided by the embodiment 1 of the utility model, the resistance coefficient of a user is estimated and quantized, and the development requirement can be provided for the fan from the research and development stage; the user pipeline is measured in advance during sale, and model recommendation can be carried out on different user working conditions; when the portable equipment is maintained by a user, data such as the working state of the range hood, working conditions and the like can be quickly obtained through the portable equipment after sale, and problems are quickly and quantitatively analyzed.
Example 2
The embodiment 2 of the utility model provides a pipeline operating mode detection method is applied to pipeline operating mode check out test set, pipeline operating mode check out test set includes differential pressure flowmeter and treater, differential pressure flowmeter includes diversion pipe section and straight tube section, the diversion pipe section is equipped with pressure sensor, the straight tube section be equipped with be suitable for with the pipeline air intake connection's that awaits measuring first interface. As shown in fig. 4, the utility model discloses pipeline operating mode detection method of embodiment 2 includes following step:
s401: and acquiring the pressure of a flow guide pipe section of the differential pressure flowmeter.
And acquiring the pressure of the flow guide pipe section through a pressure sensor in the flow guide pipe. As a specific implementation mode, after the fan is started, the pressure of the flow guide pipe section of the differential pressure flowmeter is obtained.
S402: and calculating the gas flow velocity of the guide pipe section according to the pressure of the guide pipe section and the resistance coefficient of the guide pipe section.
For differential pressure flow meters, the drag coefficient of the draft tube section is known. As a specific implementation, calculating the gas flow rate of the flow guide pipe section according to the pressure of the flow guide pipe section and the resistance coefficient of the flow guide pipe section includes the following steps: calculating the pressure of the differential pressure flowmeter flow guide pipe section by using the pressure of the differential pressure flowmeter flow guide pipe section; and calculating the gas flow velocity of the flow guide pipe section according to the pressure of the flow guide pipe section of the differential pressure flowmeter and the resistance coefficient of the flow guide pipe section.
More specifically, the following formula can be adopted for calculating the gas flow rate of the flow guide pipe section according to the pressure of the flow guide pipe section of the differential pressure flowmeter and the resistance coefficient of the flow guide pipe section:
wherein, ω isDiversion pipe sectionRepresenting a gas flow rate of the flowmeter conduit section; pDiversion pipe sectionRepresenting the pressure of the differential pressure flowmeter flow guide pipe section; zetaDiversion pipe sectionRepresenting a resistance coefficient of a differential pressure flowmeter guide pipe section; ρ represents the gas density.
S403: and calculating the pressure of the pipeline to be measured according to the gas flow velocity of the flow guide pipe section.
As a specific implementation mode, the step of calculating the pressure of the pipeline to be measured according to the gas flow rate of the guide pipe section comprises the following steps:
(1) calculating the gas flow of the guide pipe section according to the gas flow rate of the guide pipe section;
(2) calculating the gas flow rate at the outlet of the fan according to the gas flow of the guide pipe section;
(3) calculating the pressure at the outlet of the fan according to the gas flow rate at the outlet of the fan and the pressure of the flow guide pipe section;
(4) and obtaining the pressure of the pipeline to be measured according to the pressure at the outlet of the fan.
More specifically, for step (1), according to the gas flow rate of the pipe guide section, the following formula may be adopted to calculate the gas flow of the pipe guide section:
in the above formula, ωDiversion pipe sectionA gas flow rate representing the flow pipe section of the flowmeter, which is obtained through step S402; dDiversion pipe sectionThe diameter of the flowmeter conduit section is represented as a known quantity. Therefore, the gas flow Q of the guide pipe section can be obtained through the formula.
More specifically, for step (2), calculating the gas flow rate at the outlet of the fan according to the gas flow of the guide pipe section, the method includes the following steps: obtaining the gas flow at the outlet of the fan according to the gas flow of the guide pipe section; and calculating the gas flow velocity at the outlet of the fan according to the gas flow at the outlet of the fan.
Because the flow is the same everywhere in the pipeline operating mode check out test set, so the gas flow Q of water conservancy diversion pipeline section is the gas flow of fan exit promptly.
The following formula can be adopted for calculating the gas flow rate at the outlet of the fan according to the gas flow at the outlet of the fan:
wherein the gas flow Q at the fan outlet has been obtained in step (1), DBlower outletThe diameter of the fan outlet duct is shown as a known quantity. Therefore, the gas flow rate omega at the outlet of the fan can be obtained by using the formulaBlower outlet。
More specifically, (3) calculating the pressure at the outlet of the fan according to the gas flow rate at the outlet of the fan and the pressure of the guide pipe section includes the following steps: and calculating the pressure at the outlet of the fan by using a Bernoulli equation according to the gas flow velocity at the outlet of the fan and the pressure of the flow guide pipe section.
In particular, the Bernoulli equation is
Wherein, PFlow guide pipeFrom the pressure of the flow-guiding section, ωDiversion pipe sectionObtained by step S402, ωBlower outletObtained through the step (2). Therefore, the pressure P at the outlet of the fan can be obtained by using the Bernoulli equationBlower outlet。
More specifically, the pressure at the outlet of the fan in the step (4) is the back pressure generated by the resistance coefficients of the pipeline and the local parts, namely the pressure of the pipeline to be measured.
According to the pipeline working condition detection method, the pressure of the pipeline to be detected can be obtained through calculation according to the acquired pressure of the flow guide pipe section of the differential pressure flowmeter and the resistance coefficient of the flow guide pipe section of the differential pressure flowmeter, and the working condition of the pipeline to be detected can be accurately obtained by using the pipeline working condition detection equipment under the condition that the pipeline to be detected is not influenced because the measured value is only the pressure of the flow guide pipe section and the pressure sensor is arranged at the flow guide pipe section instead of the pipeline to be detected.
As an improved technical scheme, after the pressure of the pipeline to be measured is obtained, the method further comprises the following steps: and calculating the resistance coefficient or/and the local resistance coefficient of the pipeline to be detected according to the pressure of the pipeline to be detected.
Specifically, the following technical scheme can be adopted for calculating the resistance coefficient or/and the local resistance coefficient of the pipeline to be detected according to the pressure of the pipeline to be detected: acquiring the gas flow rate at the outlet of the fan; and calculating the resistance coefficient or/and the local resistance coefficient of the pipeline to be tested according to the pressure of the pipeline to be tested and the gas flow rate at the outlet of the fan.
More specifically, the following formula can be adopted to calculate the resistance coefficient of the pipeline to be measured according to the pressure of the pipeline to be measured and the gas flow rate at the outlet of the fan:
More specifically, the following formula can be adopted to calculate the local resistance of the pipeline to be measured according to the pressure of the pipeline to be measured and the gas flow rate at the outlet of the fan:
Further, the local resistance P of the pipeline to be measured is obtainedLocal partThen, the formula can also be utilized
And calculating to obtain the local resistance coefficient of the pipeline to be measured. For example, the total resistance of the fan of the range hood is equal to the sum of the resistance of a common flue pipeline and the resistance of a home-mounted smoke exhaust pipe of a user, if a method of recording a typical pipeline resistance coefficient in advance is used, the resistance of the common flue pipeline can be calculated only by inputting a floor height size data system, and the resistance and the coefficient of the home-mounted smoke exhaust pipe of the user can be obtained, so that the condition of installing the pipeline by the worker can be judged.
Example 3
The embodiment 3 of the utility model provides a pipeline operating mode detection device is applied to pipeline operating mode check out test set, pipeline operating mode check out test set includes differential pressure flowmeter and treater, differential pressure flowmeter includes diversion pipe section and straight tube section, the diversion pipe section is equipped with pressure sensor, the straight tube section is equipped with the first interface that is suitable for with the pipeline air intake connection that awaits measuring. As shown in fig. 5, the device for detecting the working condition of the pipeline according to embodiment 3 of the present invention includes an obtaining module 50, a first processor 52, and a second processor 54.
Specifically, the obtaining module 50 is configured to obtain a pressure of a flow conduit section of the differential pressure flowmeter.
The first processor 52 is configured to calculate a gas flow rate of the flow pipe section according to the pressure of the flow pipe section and the resistance coefficient of the flow pipe section.
And the second processor 54 is used for calculating the pressure of the pipeline to be measured according to the gas flow rate of the guide pipe section.
The specific details of the pipeline working condition detection device may be understood by referring to the corresponding related descriptions and effects in the embodiments shown in fig. 1 to 4, which are not described herein again.
Example 4
The embodiment of the utility model provides a pipeline operating mode check out test set is still provided, and this pipeline operating mode check out test set can include treater and memory, and wherein treater and memory can be connected through bus or other modes.
The processor may be a Central Processing Unit (CPU). The Processor may also be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, or a combination thereof.
The memory, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules (e.g., the acquisition module 50, the first processor 52, and the second processor 54 shown in fig. 5) corresponding to the pipeline operating condition detection method in the embodiments of the present invention. The processor executes various functional applications and data processing of the processor by running the non-transitory software programs, instructions and modules stored in the memory, that is, the method for detecting the working condition of the pipeline in the above embodiment of the method is implemented.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor, and the like. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory optionally includes memory located remotely from the processor, and such remote memory may be coupled to the processor via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The one or more modules are stored in the memory and, when executed by the processor, perform the method for detecting pipe operating conditions in the embodiment shown in FIG. 4.
The specific details of the pipeline working condition detection device may be understood by referring to the corresponding related descriptions and effects in the embodiments shown in fig. 1 to 4, which are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (6)
1. A pipe working condition detection apparatus, comprising:
the differential pressure flowmeter comprises a flow guide pipe section and a straight pipe section, wherein the flow guide pipe section is provided with a pressure sensor, and the straight pipe section is provided with a first interface suitable for being connected with an air inlet of a pipeline to be measured;
and the processor is connected with the pressure sensor.
2. The pipeline condition detection apparatus of claim 1, further comprising a fan and a fan housing;
the fan comprises a fan air inlet and a fan air outlet, and the fan air outlet is provided with a second interface suitable for being connected with the air inlet of the pipeline to be tested;
the fan outer cover is used for surrounding the fan air inlet, and a third interface which is suitable for being connected with the first interface of the straight pipe section is arranged on the fan outer cover.
3. The pipe operating condition detecting apparatus according to claim 1 or 2, wherein the differential pressure flowmeter includes a circular arc conduit flowmeter, an orifice plate flowmeter, and a float flowmeter.
4. The pipeline operating condition detecting device according to claim 3, wherein when the differential pressure flowmeter is an arc-shaped conduit flowmeter, the flow guide pipe section is an arc-shaped flow guide pipe section, a bell mouth is arranged at one end of the arc-shaped flow guide pipe section, which is far away from the straight pipe section, and the pressure sensor is positioned on the bell mouth.
5. The apparatus of claim 4, wherein a plurality of pressure sensors are equally spaced on the bell mouth.
6. The apparatus of claim 1 or 2, further comprising a display device coupled to the processor.
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| CN201922143060.XU CN211013063U (en) | 2019-12-02 | 2019-12-02 | Pipeline working condition detection equipment |
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| CN110895154A (en) * | 2019-12-02 | 2020-03-20 | 珠海格力电器股份有限公司 | Pipeline working condition detection equipment, detection method and device and readable storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110895154A (en) * | 2019-12-02 | 2020-03-20 | 珠海格力电器股份有限公司 | Pipeline working condition detection equipment, detection method and device and readable storage medium |
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