CN209086118U - A kind of remote transmission type air filter performance comparison detection device - Google Patents
A kind of remote transmission type air filter performance comparison detection device Download PDFInfo
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- CN209086118U CN209086118U CN201821599068.6U CN201821599068U CN209086118U CN 209086118 U CN209086118 U CN 209086118U CN 201821599068 U CN201821599068 U CN 201821599068U CN 209086118 U CN209086118 U CN 209086118U
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Abstract
A kind of remote transmission type air filter performance comparison detection device of the utility model, including several air ducts, the air-introduced machine set on air duct tail portion, the air duct is sequentially equipped with air inlet, pre-filtering room, secondary filtration room, air outlet, and the pre-filtering room is equipped with pre- differential pressure transmitter and is set at the upstream and downstream of pre-filtering room；The secondary filtration room is equipped with second level differential pressure transmitter and is set on secondary filtration room, at downstream, it is characterized by also including automatically controlled and digital-to-analogues to convert cabinet, flow measurement device in air duct and below secondary filtration room, described automatically controlled and digital-to-analogue conversion cabinet includes PLC module, 4G digital transmission module, frequency conversion Power entry module, the input terminal of the PLC module and pre- differential pressure transmitter, second level differential pressure transmitter, flow measurement device is electrically connected, the output end and 4G digital transmission module of the PLC module, frequency conversion Power entry module input terminal is electrically connected, the frequency conversion Power entry module output end and air-introduced machine current input terminal are electrically connected.
Description
Technical field
The utility model relates to air filter performance detection technical field, espespecially a kind of remote transmission type air filter
Performance comparison detection device.
Background technique
Air filter carries the function to air filtration purification, is widely used in petroleum, chemical industry, metallurgy, electricity
The industries such as power, machinery, light industry, weaving, automobile manufacture, electronics, food, medicine, biochemistry.
In the prior art, Chinese patent ZL:205850462 discloses a kind of movable type air filter performance detection dress
It sets, air filter performance detection is transferred to actual application environment from laboratory, solve because laboratory testing is using load
Dirt differs farther out with live actual environment, performance and table in the actual environment of the caused air filter in laboratory
The problem of now there is also differences provides a kind of performance comparison Evaluation Platform to verify the practical application effect of air filter.
But air quantity is the important parameter of air filter design for the test of air filter comparative evaluation, keeps each
The consistency of air channel volume and filter nominal air delivery is the basis of filter capability comparison；In addition, air mistake in actual motion
Filter is run under variable working condition, and comparative evaluation testing stand should have off design performance detectability；There are also be exactly inlet air filtration
Property performance indicator should cover its life cycle management, its usual service life generally at 0.5 year to 2 years, life cycle management performance detection
Time-consuming, large labor intensity.Therefore, the raising of air filter performance comparison test's platform is improved, is very important.
Utility model content
To solve the above problems, the utility model, which provides one kind, to adjust air quantity according to actual condition, keep air quantity constant,
The comparativity of test data is high, test result can remote transmission, realize unattended, reduce the air filtration of performance test intensity
Device performance comparison detection device.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: remote transmission type air filter
Energy contrasting detection device, including several air ducts, the air-introduced machine set on air duct tail portion, the air duct is sequentially equipped with air inlet, pre- mistake
Filter chamber, secondary filtration room, air outlet, the pre-filtering room are equipped with pre- differential pressure transmitter and are set at the upstream and downstream of pre-filtering room；Institute
Secondary filtration room is stated equipped with second level differential pressure transmitter and is set at the upstream and downstream of secondary filtration room, further includes automatically controlled and digital-to-analogue conversion
Cabinet, the flow measurement device in air duct and positioned at secondary filtration room downstream, described automatically controlled and digital-to-analogue conversion cabinet includes PLC mould
Block, 4G digital transmission module, frequency conversion Power entry module, the input terminal of the PLC module and pre- differential pressure transmitter, second level differential pressure transmitter,
Flow detector is electrically connected, and output end and 4G digital transmission module, the frequency conversion Power entry module input terminal of the PLC module electrically connect
It connects, the frequency conversion Power entry module output end and air-introduced machine current input terminal are electrically connected.
It specifically, further include container, the air duct, air-introduced machine, automatically controlled and digital-to-analogue conversion cabinet are set to internal container.
It specifically, further include rain cover, the rain cover is arranged outside container and is located at air inlet of air duct.
Specifically, the air duct further includes plenum chamber, the plenum chamber be arranged between secondary filtration room and air outlet and
Cross section on plenum chamber extending direction is consistent with air duct cross section.
Specifically, the flow measurement device is mounted on plenum chamber.
It specifically, further include evacuated tube, the evacuated tube is connected to air-introduced machine output end and extends to outside container.
Specifically, the air duct further includes the reducer pipe sequentially connected, round tube, and the reducer pipe is connect with plenum chamber, institute
Round tube is stated to connect with air-introduced machine input terminal.
Specifically, further include atmospheric environment detector, the atmospheric environment detector be set to rain cover side and with PLC mould
The input terminal of block is electrically connected.
The utility model has the beneficial effects that: being equipped with automatically controlled and digital-to-analogue converts cabinet, automatically controlled and digital-to-analogue conversion cabinet includes PLC
Module, 4G digital transmission module, frequency conversion Power entry module, by the input terminal of PLC module and pre- differential pressure transmitter, second level differential pressure transmitter,
Flow measurement device is electrically connected, and the output end and frequency conversion Power entry module input terminal of PLC module are electrically connected, frequency conversion Power entry module
Output end and air-introduced machine current input terminal are electrically connected, in use pre- differential pressure transmitter, second level differential pressure transmitter, flow
Data are uploaded to PLC module by measuring device, and PLC module exports frequency conversion Power entry module further according to the numerical value received
Frequency is adjusted, and the output frequency command signal that frequency conversion Power entry module receives then corresponds to air-introduced machine within the scope of specified value
It adjusts, is consistent the air quantity of each air-introduced machine；The input terminal of 4G digital transmission module and PLC module output end are electrically connected,
The detection datas such as flow measurement device, pre- differential pressure transmitter, second level differential pressure transmitter are connected network by 4G digital transmission module to pass
Transport to server, user can game server displaying live view or downloading data, realize unattended, it is strong to reduce performance test
Degree.
Detailed description of the invention
Fig. 1 is the pipeline and instrument flow chart of the utility model；
Fig. 2 is the stereoscopic schematic diagram of the utility model；
Fig. 3 is the schematic diagram of internal structure of the utility model；
Fig. 4 is the front view of the utility model；
Fig. 5 is the internal structure top view of the utility model；
Fig. 6 is the cross-sectional view at Fig. 4 A-A；
Fig. 7 is the remote transmission topological diagram of the utility model.
Drawing reference numeral explanation: 1. air ducts；2. rain cover；3. pre-filtering room；4. secondary filter room；5. plenum chamber；6. becoming
Diameter pipe；7. round tube；8. air-introduced machine；9. evacuated tube；10. bracket；11. automatically controlled and digital-to-analogue converts cabinet；12. container；13. pre- differential pressure
Transmitter；14. flow measurement device；15. atmospheric environment detector；16.PLC module；17.4G digital transmission module；18. frequency conversion distribution
Module；19. second level differential pressure transmitter.
Specific embodiment
It please refers to shown in Fig. 2-6, four air ducts 1 is arranged in two separate ranks in container 12 in the present embodiment, in each column point
Lower two air ducts 1, it is fixed over the mount 10 by fastener, and there are repair and maintenance channels between two series.Each air duct 1 is
It is sequentially equipped with air inlet, pre-filtering room 3, secondary filtration room 4, plenum chamber 5, reducer pipe 6, round tube 7, air outlet, by air-introduced machine 8
It connect at air outlet, and by the evacuated tube of air-introduced machine 89 with air outlet, is drawn at the upstream and downstream of pre-filtering room 3 later
Probe tube is connected with the high-low pressure import of pre- differential pressure transmitter 13 respectively, and probe tube is drawn at the upstream and downstream of secondary filtration room 4
It is connected respectively with the high-low pressure import of second level differential pressure transmitter 19, flow measurement device 14 is installed in plenum chamber 5；Simultaneously
Inside conversion cabinet 11 installation of automatically controlled and digital-to-analogue and container 12, and automatically controlled and digital-to-analogue is converted into the PLC module 16 in cabinet 11
Input terminal and pre- differential pressure transmitter 13, second level differential pressure transmitter 19, flow measurement device 14 are electrically connected, PLC module 16 it is defeated
Outlet and 18 input terminal of frequency conversion Power entry module are electrically connected, 18 output end of frequency conversion Power entry module and 8 current input terminal of air-introduced machine electricity
Property connection, the output end of the input terminal of 4G digital transmission module 17 and PLC module 16 is electrically connected.
According to the design air flow of existing filter, 8 metered flow of air-introduced machine, total pressure are identified as 5250Nm3/ h,
1500PA, the name plate rating of necessary electromotor: 5.5KW, degree of protection IP65.
According to the type selecting of air-introduced machine 8 and the size of filter, prefilter room 3, secondary filter room 4, plenum chamber 5 knot
Square tube of the structure having a size of 750x750,7 nominal diameter of round tube are DN400, and material is zinc-plated carbon steel, thickness 5mm.
Pre- pressure transmitter 13, second level pressure difference transmitter 19 range ability be -3KPa to 3KPa.Prefilter room 3, two
2 pressure-measuring-points are respectively set in grade filter chamber 4, while configuring differential pressure dial gauge on the spot.
The range of flow measurement device 14 is 1.2 times of 8 metered flow of air-introduced machine；The ginseng that atmospheric environment detector 15 detects
Number includes atmospheric temperature, humidity, PM2.5, is three-in-one instrument.
The output signal of above-mentioned instrument is the analog quantity of 4-20mA.
Prefilter, the secondary filter of four pairs of various combinations to be tested will be needed to be respectively arranged in the pre- mistake in four air ducts
In filter chamber 3, secondary filtration room 4, prefilter is cloth envelop collector in the present embodiment, and secondary filter is cartridge filter.
It please refers to shown in Fig. 1 and Fig. 7, by the input terminal of PLC module 16 and pre- differential pressure transmitter 13, second level differential pressure transmitter
19, flow measurement device 14 is electrically connected, and the output end and 18 input terminal of frequency conversion Power entry module of PLC module 16 are electrically connected, and is become
18 output end of frequency Power entry module and 8 current input terminal of air-introduced machine are electrically connected, and each air duct 1 is respectively set to PLC module 16
Target air volume, pre- differential pressure transmitter 13, second level differential pressure transmitter 19, flow measurement device 14 will be in data in use
PLC module 16 is reached, PLC module 16 carries out output frequency adjusting to frequency conversion Power entry module 18 further according to the numerical value received, becomes
The output frequency command signal that frequency Power entry module 18 receives then carries out corresponding tune to the revolving speed of air-introduced machine 8 within the scope of specified value
Section；The input terminal of 4G digital transmission module 17 and the output end of PLC module 16 are electrically connected, number received by 4G digital transmission module 17
According to server will be transmitted through the network to, and on the server the holding time be no less than 3 months, user can game server
Displaying live view or downloading data realize unattended, reduction performance test intensity.
It is equipped with frequency control circuit, major loop, protective loop in frequency conversion Power entry module 18, is AC380V, 50HZ by specification
Power supply introduce the bus of automatically controlled and digital-to-analogue conversion cabinet 11, point four tunnels are led back through breaker, fuse and frequency conversion Power entry module 18
Road is connected, and power frequency supply is transformed to the adjustable three phase mains of frequency and is then connect with the power input of air-introduced machine 8；It is main
Rectifier, the intermediate circuit in circuit are connected with control loop, while frequency control circuit and PLC module 16 are electrically connected, and will be flowed
The signal that measuring device 14 measures compared with the target value of control loop, constantly regulate major loop as feedback signal
Frequency of supply adjusts 8 revolving speed of air-introduced machine, so that 8 air quantity of air-introduced machine is reached target value.The function of 18 protective loop of frequency conversion Power entry module
It can be embedded in control loop, form the functions such as differential voltage protection, overcurrent protection, short-circuit protection.
Air duct 1, air-introduced machine 8, automatically controlled and digital-to-analogue conversion cabinet 11 are set in container 12, convenient in train or automobile etc.
It also plays a protective role to air duct 1 and other equipment while transport on the vehicles.
Rain cover 2 is arranged in 1 air inlet of air duct in 12 outside of container, can cope with rainy day, rainwater is avoided to enter
Lead to equipment damage inside air duct 1.
Plenum chamber 5 is arranged between secondary filtration room 4 and reducer pipe 6, and flow measurement device 14 is mounted on plenum chamber 5,
5 cross section of plenum chamber of 14 installation point upstream and downstream of flow measurement device is consistent with air duct cross section, and is enough to keep flow field
Stabilization and flow velocity, pressure without fluctuation pulse, to reduce the measurement error of flow measurement device 14.
Installation evacuated tube 9 is convenient for the air for being pumped in air-introduced machine 8 that container 12 is discharged.
Reducer pipe 6, round tube 7 are set, guarantee that air duct 1 is preferably closely connect with air-introduced machine 8, the air-introduced machine under standard design
8 import is round tube, and in order to which the rectangular tube in air duct 1 can preferably connect with the round tube of 8 import of air-introduced machine, reducer pipe is arranged
6 and round tube 7 for 8 import of air-introduced machine provide a changeover portion.
Atmospheric environment detector 15 can be measured in real time the parameter value of atmospheric temperature, humidity, PM2.5, and big compression ring
Border detector 15 will test the data obtained real-time Transmission to PLC module 16, and PLC module 16 transfers data to 4G number again and passes mould
Block 17,4G digital transmission module 17 are sent to server by network, and people is allowed to carry out real-time remote monitoring to these data,
Further increase data comparison accuracy.
Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model
Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this
The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine
It protects in range.
Claims (8)
1. a kind of remote transmission type air filter performance comparison detection device, including several air ducts, drawing set on air duct tail portion
Blower, the air duct are sequentially equipped with air inlet, pre-filtering room, secondary filtration room, air outlet, and the pre-filtering room is equipped with pre- differential pressure
Transmitter and be set to pre-filtering room upstream and downstream at；The secondary filtration room is equipped with second level differential pressure transmitter and is set to secondary filtration
At the upstream and downstream of room, it is characterised in that: further include automatically controlled and digital-to-analogue conversion cabinet, be set in air duct and positioned at secondary filtration room downstream
Flow measurement device, described automatically controlled and digital-to-analogue conversion cabinet includes PLC module, 4G digital transmission module, frequency conversion Power entry module, described
The input terminal of PLC module and pre- differential pressure transmitter, second level differential pressure transmitter, flow measurement device are electrically connected, the PLC module
Output end and 4G digital transmission module, frequency conversion Power entry module input terminal be electrically connected, the frequency conversion Power entry module output end and air inducing
Machine current input terminal is electrically connected.
2. a kind of remote transmission type air filter performance comparison detection device according to claim 1, it is characterised in that:
It further include container, the air duct, air-introduced machine, automatically controlled and digital-to-analogue conversion cabinet are set to internal container.
3. a kind of remote transmission type air filter performance comparison detection device according to claim 1, it is characterised in that:
It further include rain cover, the rain cover is arranged outside container and is located at air inlet of air duct.
4. a kind of remote transmission type air filter performance comparison detection device according to claim 1, it is characterised in that:
The air duct further includes plenum chamber, and the plenum chamber setting is between secondary filtration room and air outlet and on plenum chamber extending direction
Cross section be consistent with air duct cross section.
5. a kind of remote transmission type air filter performance comparison detection device according to claim 4, it is characterised in that:
The flow measurement device is mounted on plenum chamber.
6. a kind of remote transmission type air filter performance comparison detection device according to claim 3, it is characterised in that:
It further include evacuated tube, the evacuated tube is connected to air-introduced machine output end and extends to outside container.
7. a kind of remote transmission type air filter performance comparison detection device according to claim 4, it is characterised in that:
The air duct further includes the reducer pipe sequentially connected, round tube, and the reducer pipe is connect with plenum chamber, and the round tube and air-introduced machine are defeated
Enter end connection.
8. a kind of remote transmission type air filter performance comparison detection device according to claim 3, it is characterised in that:
It further include atmospheric environment detector, the atmospheric environment detector is set on rain cover side and electrical with the input terminal of PLC module
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821599068.6U CN209086118U (en) | 2018-09-28 | 2018-09-28 | A kind of remote transmission type air filter performance comparison detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821599068.6U CN209086118U (en) | 2018-09-28 | 2018-09-28 | A kind of remote transmission type air filter performance comparison detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209086118U true CN209086118U (en) | 2019-07-09 |
Family
ID=67118149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821599068.6U Expired - Fee Related CN209086118U (en) | 2018-09-28 | 2018-09-28 | A kind of remote transmission type air filter performance comparison detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209086118U (en) |
-
2018
- 2018-09-28 CN CN201821599068.6U patent/CN209086118U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190709 Termination date: 20200928 |
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| CF01 | Termination of patent right due to non-payment of annual fee |