CN207231786U - A kind of air-valve comprehensive performance test device - Google Patents
A kind of air-valve comprehensive performance test device Download PDFInfo
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- CN207231786U CN207231786U CN201721357874.8U CN201721357874U CN207231786U CN 207231786 U CN207231786 U CN 207231786U CN 201721357874 U CN201721357874 U CN 201721357874U CN 207231786 U CN207231786 U CN 207231786U
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- measuring point
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Abstract
The utility model discloses a kind of air-valve comprehensive performance test device, main contents are：First wind turbine is connected with air compartment left end, leakage test wind turbine is connected with air compartment left end, first wind turbine and leakage test wind turbine are all connected with frequency converter, frequency converter is connected with console, left screens and right screens are all installed in air compartment, data acquisition center is connected with industrial control computer, nozzle sets are installed in air compartment, air compartment is equipped with nozzle upstream pressure-measuring-point, air compartment is equipped with nozzle downstream pressure measuring point, nozzle pressure difference transmitter is connected with nozzle upstream pressure-measuring-point and nozzle downstream pressure measuring point respectively, atmospheric pressure measuring point is connected with atmospheric pressure transmitter, Atmosphere temp.and RH measuring point is connected with Atmosphere temp.and RH transmitter, relative humidity of atomsphere measuring point is connected with atmospheric temperature transmitter, air hose is installed on the right flank of air compartment, air hose is equipped with temperature point before valve, upstream pressure measuring point and downstream pressure measuring point.
Description
Technical field
Air-valve technical field of measurement and test is the utility model is related to, specifically, more particularly to a kind of air-valve all-round property testing
Device.
Background technology
Air-valve species is various, is widely used in the fields such as industrial and mineral, civil buildings and nuclear power, and air mass flow is accurately adjusted
Section, is that one of key equipment of ventilation mode is controlled under various environment.The all-round property testing of air-valve is mainly complete including valve
Open resistance coefficient (flow and pressure drop performance), flow-adjusting characteristics, valve leak characteristic is anti-in specific air quantity or pressure difference lower air-valve
The reliability switched again, and starting differential pressure attribute testing of check-valves, gravity relief valve etc..Above content of the test is existing
Progress can not be concentrated on same set of experimental rig, the function of experimental rig can not be played to greatest extent, increases test platform number
Amount, improves equipment cost and space expenses.
Utility model content
The technical problem to be solved by the utility model is to for above-mentioned deficiency of the prior art, disclose a kind of wind
Valve comprehensive performance test device, it possesses extensive versatility and flexibility, can carry out a variety of experiments, and test process, which is realized, to be calculated
Machine automatic data acquisition is handled, and measuring accuracy is high.
Technical solution is used by the utility model solves its technical problem：A kind of air-valve comprehensive performance test device,
Including temperature point, nozzle upstream pressure-measuring-point, nozzle downstream pressure before the first wind turbine, switching valve, air compartment, left screens, nozzle
Before power measuring point, nozzle sets, right screens, atmospheric pressure measuring point, Atmosphere temp.and RH measuring point, relative humidity of atomsphere measuring point, air hose, valve
Temperature before temperature point, upstream pressure measuring point, tested valve, downstream pressure measuring point, leakage test wind turbine, frequency converter, nozzle
Sensor, nozzle upstream pressure transmitter, nozzle pressure difference transmitter, atmospheric pressure transmitter, Atmosphere temp.and RH transmitter, air
Pressure difference pressure transmitter, console, data acquisition center and Industry Control before and after temperature sensor, valve before temperature transmitter, valve
Computer；First wind turbine is cut by being provided with pipeline and the connection of air compartment left end and the pipeline between the first wind turbine and air compartment
Valve is changed, the leakage test wind turbine passes through pipeline and the connection of air compartment left end and the pipeline between leakage test wind turbine and air compartment
On switching valve is installed, first wind turbine and leakage test wind turbine are all connected with frequency converter, the frequency converter and console
Connection, the left screens and right screens are all installed in air compartment, and temperature point and nozzle before nozzle are equipped with the air compartment
Preceding temperature point is located at the right side of left screens, and temperature sensor is connected with temperature point before nozzle before the nozzle, the spray
Temperature sensor, nozzle upstream pressure transmitter, nozzle pressure difference transmitter, atmospheric pressure transmitter, Atmosphere temp.and RH become before mouth
Send before device, atmospheric temperature transmitter, valve that pressure difference pressure transmitter is all connected with data acquisition center before and after temperature sensor and valve,
The data acquisition center is connected with industrial control computer, and the nozzle sets are installed in air compartment and nozzle sets are located at left rectification
Between net and right screens, the air compartment is equipped with nozzle upstream pressure-measuring-point and nozzle upstream pressure-measuring-point is located at nozzle sets
Left side, the air compartment is equipped with nozzle downstream pressure measuring point and nozzle downstream pressure measuring point is located at the right side of nozzle sets, the spray
Mouth upstream pressure transmitter is connected with nozzle upstream pressure-measuring-point, and the nozzle pressure difference transmitter is surveyed with nozzle upstream pressure respectively
Point is connected with nozzle downstream pressure measuring point, and the atmospheric pressure measuring point, Atmosphere temp.and RH measuring point and relative humidity of atomsphere measuring point are all
Connected outside air compartment and all close to air compartment right flank, the atmospheric pressure measuring point with atmospheric pressure transmitter, the air
Humiture measuring point is connected with Atmosphere temp.and RH transmitter, and the relative humidity of atomsphere measuring point is connected with atmospheric temperature transmitter, institute
Air hose is stated on the right flank of air compartment, the air hose is equipped with temperature point, upstream pressure measuring point and downstream pressure before valve
Measuring point, the tested valve is installed on air hose and tested valve is between upstream pressure measuring point and downstream pressure measuring point, institute
Temperature point is connected with temperature sensor before valve before stating valve, and the upstream pressure measuring point and downstream pressure measuring point before and after valve all with pressing
Differential pressure/pressure transmitter connects.
As a kind of preferred embodiment of the utility model, temperature point is located at left screens and nozzle before the nozzle
Between upstream pressure measuring point.
As a kind of preferred embodiment of the utility model, the Atmosphere temp.and RH measuring point be located at atmospheric pressure measuring point and
Between relative humidity of atomsphere measuring point.
As a kind of preferred embodiment of the utility model, the upstream pressure measuring point be located at before valve temperature point and by
Between side valve door.
The utility model flow measurement is taken into account leakage and is measured using the multiple Nozzle methods of arrangement in air inlet air compartment, arrangement of nozzles
The needs of examination.Since test valve size is different, its flow passed through is different, can be straight with different spray nozzles by changing nozzle quantity
Footpath size, makes that flow measurement range is wide, high certainty of measurement.When testing different size air-valves, it can install and correspond in air compartment
Air hose, valve are installed on test air hose, are installed reducer pipe at valve both ends, otherwise will be produced large error.In air compartment import
2 different performance wind turbines of end configuration.Fan outlet end carries switching valve, wherein the first wind turbine is tried suitable for valve general characteristic
Test (big flow, low-pressure)；Leakage test wind turbine has elevated pressures, for valve leakage testing.2 Fans are according to making
With requiring to select, equal band frequency converters adjusts flow and pressure as needed in use.
The utility model valve standard-sized sheet resistance coefficient testing procedure is as follows：
1) the first wind turbine is opened, closes leakage test wind turbine, opens frequency converter；
2) according to air-valve metered flow, nozzle is selected；
3) pet valve, connection valve front and rear pipes are removed；
4) frequency conversion fan is adjusted, when valve wind speed is reached designated value by testing flow system flow, and ensureing minimum discharge
Pressure difference is not less than 25Pa, measures blank pipe pressure difference before and after valve, static pressure, temperature before valve, nozzle pressure difference, nozzle upstream static pressure, temperature, outside
Boundary's atmospheric pressure, Atmosphere temp.and RH；
5) valve is installed in testing tube and is transferred to fully open position；
6) frequency conversion fan is adjusted, when wind speed reaches specified wind speed, measurement valve and pressure difference before and after pipe；
7) valve measured and pipeline pressure difference are subtracted without valve blank pipe pressure difference, obtains valve under specified wind speed or flow status
Resistance pressure difference, then calculate air-valve resistance coefficient；
8) repeatedly 4)~6) step is no less than 5 times, obtains the resistance coefficient under different wind speed respectively, completes valve wide open resistance
Force coefficient is tested.
The utility model valve air-valve leakage test step is as follows：
1) the first wind turbine is closed, opens small wind turbine, opens frequency converter；
2) pet valve is removed, blind plate sealing test pipe is installed, pressure is specified pressure before adjusting blind plate,
Leakage rate is measured, records related data；
3) blind plate is removed, experiment valve is installed on test pipe, upstream pressure is adjusted and reaches specified pressure, record should
Leakage rate and related data under operating mode；
4) flow under 2) upstream pressure identical with 3) correspondence is subtracted each other, obtains testing the net of valve under same upstream pressure
Leakage rate；
5) as leakage rate is respectively less than 17m3/ h, using instrument measurement of discharge.
The utility model has the following advantages compared with prior art：Possess extensive versatility and flexibility, can carry out
A variety of experiments, test process realize that computer automatic data acquisition is handled, and measuring accuracy is high.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of the utility model.
Description of reference numerals：
1：First wind turbine, 2：Switching valve, 3：Air compartment, 4：Left screens, 5：Temperature point before nozzle, 6：Nozzle upstream pressure
Measuring point, 7：Nozzle downstream pressure measuring point, 8：Nozzle sets, 9：Right screens, 10：Atmospheric pressure measuring point, 11：Atmosphere temp.and RH is surveyed
Point, 12：Relative humidity of atomsphere measuring point, 13：Air hose, 14：Temperature point before valve, 15：Upstream pressure measuring point, 16：Tested valve,
17：Downstream pressure measuring point, 18：Leakage test wind turbine, 19：Frequency converter, 20：Temperature sensor before nozzle, 21：Nozzle upstream pressure
Power transmitter, 22：Nozzle pressure difference transmitter, 23：Atmospheric pressure transmitter, 24：Atmosphere temp.and RH transmitter, 25：Atmospheric temperature
Transmitter, 26：Temperature sensor before valve, 27：Pressure difference pressure transmitter before and after valve, 28：Console, 29：Data acquisition center,
30：Industrial control computer.
Embodiment
The utility model embodiment is described with reference to the accompanying drawings and embodiments：
It should be noted that the structure illustrated in this specification institute attached drawing, ratio, size etc., only coordinating explanation
The revealed content of book, so that those skilled in the art understands and reads, it is enforceable to be not limited to the utility model
Qualifications, the modification of any structure, the change of proportionate relationship or the adjustment of size, can be generated not influencing the utility model
The effect of and the purpose that can reach under, should all still fall and obtain the scope that can cover in the revealed technology contents of the utility model
It is interior.
Meanwhile cited such as " on ", " under " in this specification, "left", "right", the term of " centre " and " one ", also
Only understanding for ease of narration, and be not used to limit the enforceable scope of the utility model, its relativeness is altered or modified,
In the case where changing technology contents without essence, when being also considered as the enforceable category of the utility model.
As shown in Figure 1, it illustrates specific embodiment of the present utility model；As shown in the figure, disclosed in the utility model
Temperature point, spray before a kind of air-valve comprehensive performance test device, including the first wind turbine, switching valve, air compartment, left screens, nozzle
Mouth upstream pressure measuring point, nozzle downstream pressure measuring point, nozzle sets, right screens, atmospheric pressure measuring point, Atmosphere temp.and RH measuring point,
Temperature point, upstream pressure measuring point, tested valve, downstream pressure measuring point, leakage rate before relative humidity of atomsphere measuring point, air hose, valve
Temperature sensor, nozzle upstream pressure transmitter, nozzle pressure difference transmitter, atmospheric pressure become before test wind turbine, frequency converter, nozzle
Send pressure difference pressure transmitter, control before and after temperature sensor, valve before device, Atmosphere temp.and RH transmitter, atmospheric temperature transmitter, valve
Platform, data acquisition center and industrial control computer；First wind turbine is connected by pipeline with air compartment left end and the first wind turbine
Switching valve is installed, the leakage test wind turbine is connected and leaked with air compartment left end by pipeline on the pipeline between air compartment
Measure and switching valve be installed on the pipeline between examination wind turbine and air compartment, first wind turbine and leakage test wind turbine all with frequency conversion
Device connects, and the frequency converter is connected with console, and the left screens and right screens are all installed in air compartment, in the air compartment
It is located at the right side of left screens equipped with temperature point before temperature point before nozzle and nozzle, temperature sensor is with spraying before the nozzle
Temperature point connects before mouth, temperature sensor, nozzle upstream pressure transmitter, nozzle pressure difference transmitter, air before the nozzle
Pressure difference pressure inverting before and after temperature sensor and valve before pressure transmitter, Atmosphere temp.and RH transmitter, atmospheric temperature transmitter, valve
Device is all connected with data acquisition center, and the data acquisition center is connected with industrial control computer, and the nozzle sets are installed on
In air compartment and nozzle sets are between left screens and right screens, and the air compartment is equipped with nozzle upstream pressure-measuring-point and nozzle
Upstream pressure measuring point is located at the left side of nozzle sets, and the air compartment is equipped with nozzle downstream pressure measuring point and nozzle downstream pressure measuring point
Positioned at the right side of nozzle sets, the nozzle upstream pressure transmitter is connected with nozzle upstream pressure-measuring-point, and the nozzle pressure difference becomes
Device is sent to be connected respectively with nozzle upstream pressure-measuring-point and nozzle downstream pressure measuring point, the atmospheric pressure measuring point, Atmosphere temp.and RH
Measuring point and relative humidity of atomsphere measuring point are all installed on outside air compartment and all close to air compartment right flank, the atmospheric pressure measuring point and air
Pressure transmitter connects, and the Atmosphere temp.and RH measuring point is connected with Atmosphere temp.and RH transmitter, the relative humidity of atomsphere measuring point
Be connected with atmospheric temperature transmitter, the air hose be installed on air compartment right flank on, the air hose be equipped with valve before temperature point,
Upstream pressure measuring point and downstream pressure measuring point, the tested valve is installed on air hose and tested valve is located at upstream pressure measuring point
Between downstream pressure measuring point, temperature point is connected with temperature sensor before valve before the valve, the upstream pressure measuring point and valve
Pressure-measuring-point is all connected with pressure difference pressure transmitter before and after valve afterwards.
Preferably, before the nozzle temperature point between left screens and nozzle upstream pressure-measuring-point.
Preferably, the Atmosphere temp.and RH measuring point is between atmospheric pressure measuring point and relative humidity of atomsphere measuring point.
Preferably, the upstream pressure measuring point is located at before valve between temperature point and tested valve.
The utility model preferred embodiment is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
The above embodiment, within the knowledge of a person skilled in the art, can also not depart from the utility model
Made a variety of changes on the premise of objective.
Many other changes and remodeling can be made by not departing from the spirit and scope of the utility model.It should be appreciated that this reality
Specific embodiment is not limited to new, the scope of the utility model is defined by the following claims.
Claims (4)
- A kind of 1. air-valve comprehensive performance test device, it is characterised in that：Including the first wind turbine, switching valve, air compartment, left screens, Temperature point, nozzle upstream pressure-measuring-point, nozzle downstream pressure measuring point, nozzle sets, right screens, atmospheric pressure are surveyed before nozzle Temperature point, upstream pressure measuring point, tested valve, valve before point, Atmosphere temp.and RH measuring point, relative humidity of atomsphere measuring point, air hose, valve Temperature sensor, nozzle upstream pressure transmitter, nozzle pressure difference before pressure-measuring-point, leakage test wind turbine, frequency converter, nozzle afterwards The front and rear pressure of temperature sensor, valve before transmitter, atmospheric pressure transmitter, Atmosphere temp.and RH transmitter, atmospheric temperature transmitter, valve Differential pressure/pressure transmitter, console, data acquisition center and industrial control computer；First wind turbine is left by pipeline and air compartment Switching valve is installed on end connection and the pipeline between the first wind turbine and air compartment, the leakage test wind turbine passes through pipeline and wind Switching valve, first wind turbine and leakage rate are installed on room left end connection and the pipeline between leakage test wind turbine and air compartment Test wind turbine is all connected with frequency converter, and the frequency converter is connected with console, and the left screens and right screens are all installed on In air compartment, it is located at the right side of left screens, the spray in the air compartment equipped with temperature point before temperature point before nozzle and nozzle Temperature sensor is connected with temperature point before nozzle before mouth, temperature sensor, nozzle upstream pressure transmitter, spray before the nozzle Before mouth pressure difference transmitter, atmospheric pressure transmitter, Atmosphere temp.and RH transmitter, atmospheric temperature transmitter, valve temperature sensor and Pressure difference pressure transmitter is all connected with data acquisition center before and after valve, and the data acquisition center connects with industrial control computer Connect, the nozzle sets are installed in air compartment and nozzle sets are between left screens and right screens, and the air compartment is equipped with spray Mouth upstream pressure measuring point and nozzle upstream pressure-measuring-point are located at the left side of nozzle sets, and the air compartment is surveyed equipped with nozzle downstream pressure Point and nozzle downstream pressure measuring point are located at the right side of nozzle sets, the nozzle upstream pressure transmitter and nozzle upstream pressure-measuring-point Connection, the nozzle pressure difference transmitter are connected with nozzle upstream pressure-measuring-point and nozzle downstream pressure measuring point respectively, the air Pressure-measuring-point, Atmosphere temp.and RH measuring point and relative humidity of atomsphere measuring point are all installed on outside air compartment and all close to air compartment right flank, institute Atmospheric pressure measuring point to be stated to connect with atmospheric pressure transmitter, the Atmosphere temp.and RH measuring point is connected with Atmosphere temp.and RH transmitter, The relative humidity of atomsphere measuring point is connected with atmospheric temperature transmitter, and the air hose is installed on the right flank of air compartment, the wind Pipe be equipped with valve before temperature point, upstream pressure measuring point and downstream pressure measuring point, the tested valve be installed on air hose on and by Side valve door is between upstream pressure measuring point and downstream pressure measuring point, and temperature point connects with temperature sensor before valve before the valve Connect, the upstream pressure measuring point and downstream pressure measuring point are all connected with pressure difference pressure transmitter before and after valve.
- A kind of 2. air-valve comprehensive performance test device as claimed in claim 1, it is characterised in that：Temperature point before the nozzle Between left screens and nozzle upstream pressure-measuring-point.
- A kind of 3. air-valve comprehensive performance test device as claimed in claim 1, it is characterised in that：The Atmosphere temp.and RH measuring point Between atmospheric pressure measuring point and relative humidity of atomsphere measuring point.
- A kind of 4. air-valve comprehensive performance test device as claimed in claim 1, it is characterised in that：The upstream pressure measuring point position Before valve between temperature point and tested valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357874.8U CN207231786U (en) | 2017-10-20 | 2017-10-20 | A kind of air-valve comprehensive performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721357874.8U CN207231786U (en) | 2017-10-20 | 2017-10-20 | A kind of air-valve comprehensive performance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207231786U true CN207231786U (en) | 2018-04-13 |
Family
ID=61850789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721357874.8U Expired - Fee Related CN207231786U (en) | 2017-10-20 | 2017-10-20 | A kind of air-valve comprehensive performance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207231786U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110763500A (en) * | 2019-11-04 | 2020-02-07 | 中国原子能科学研究院 | Test bed and test method for air door performance test |
| CN111220377A (en) * | 2018-11-23 | 2020-06-02 | 宁波方太厨具有限公司 | Method for identifying performance fault of check valve of range hood |
| CN111693248A (en) * | 2020-04-22 | 2020-09-22 | 宁波锚点驱动技术有限公司 | Test method for small-air-volume fan |
| CN113092095A (en) * | 2021-04-13 | 2021-07-09 | 泰州华业管道设备制造有限公司 | Blast gate pressure multifunctional test platform for air valve leakage amount |
| CN116793663A (en) * | 2023-08-25 | 2023-09-22 | 江苏华东正大空调设备有限公司 | Air valve performance test equipment |
-
2017
- 2017-10-20 CN CN201721357874.8U patent/CN207231786U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220377A (en) * | 2018-11-23 | 2020-06-02 | 宁波方太厨具有限公司 | Method for identifying performance fault of check valve of range hood |
| CN111220377B (en) * | 2018-11-23 | 2021-07-23 | 宁波方太厨具有限公司 | Method for identifying performance fault of check valve of range hood |
| CN110763500A (en) * | 2019-11-04 | 2020-02-07 | 中国原子能科学研究院 | Test bed and test method for air door performance test |
| CN111693248A (en) * | 2020-04-22 | 2020-09-22 | 宁波锚点驱动技术有限公司 | Test method for small-air-volume fan |
| CN113092095A (en) * | 2021-04-13 | 2021-07-09 | 泰州华业管道设备制造有限公司 | Blast gate pressure multifunctional test platform for air valve leakage amount |
| CN116793663A (en) * | 2023-08-25 | 2023-09-22 | 江苏华东正大空调设备有限公司 | Air valve performance test equipment |
| CN116793663B (en) * | 2023-08-25 | 2024-01-12 | 江苏华东正大空调设备有限公司 | Air valve performance test equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20181020 |