CN208566996U - Variable-frequency ventilation control system - Google Patents
Variable-frequency ventilation control system Download PDFInfo
- Publication number
- CN208566996U CN208566996U CN201820936207.3U CN201820936207U CN208566996U CN 208566996 U CN208566996 U CN 208566996U CN 201820936207 U CN201820936207 U CN 201820936207U CN 208566996 U CN208566996 U CN 208566996U
- Authority
- CN
- China
- Prior art keywords
- static pressure
- pressure transducer
- frequency
- pipe static
- ventilation pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Control Of Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of variable-frequency ventilation control systems, including main ventilation pipeline, main ventilation pipeline two sides are communicated with branch ventilation shaft, main ventilation pipeline one end is fixedly connected with ring flange, the ring flange other end is fixedly connected with frequency conversion fan, the frequency conversion fan side is equipped with frequency converter, and main ventilation pipeline two sides are separately installed with first pipe static pressure transducer and second pipe static pressure transducer, and main ventilation pipeline two sides are provided with mounting hole.The system passes through the setting of first pipe static pressure transducer and second pipe static pressure transducer, so that the real-time monitoring that can there are two groups of duct static pressure sensors to carry out pipeline inner ventilation situation above entire main ventilation pipeline, by using constant static pressure control method in the frequency-conversion ventilating system, the revolving speed and air quantity of frequency conversion fan are adjusted, by frequency converter to guarantee that the pressure difference inside main ventilation pipeline is constant.
Description
Technical field
The utility model relates to ventilating system technical field, specially a kind of variable-frequency ventilation control system.
Background technique
Ventilation is to control the propagation and harm of air pollutants by the means such as ventilation dilution or ventilation exclusion, realize room
A kind of architectural environment control technology of inner air and outer air environmental quality guarantee.Ventilating system is exactly this function of realization ventilation, including
Including air inlet, exhaust outlet, air supply duct, blower, cooling and heating, filter, control system and other auxiliary devices
A whole set of device.Using the operating of the ventilation blower energy certain to air, ventilation pressure is caused to overcome mine resistance, is made
Ground air constantly enters underground, flows along projected route, and waste air is then then exhausted from the method for ventilation outside well machinery
Ventilation.
In main ventilation pipeline in ventilating system, a duct static pressure sensor is usually installed and carries out pipeline internal differential pressure
Adjusting so that pipeline internal differential pressure keeps balance, but single duct static pressure sensor leads to entire air draft after generating failure
System can not work, and can bring more losses, so providing a kind of variable-frequency ventilation control system to solve asking for above-mentioned appearance
Topic very it is necessary to.
Utility model content
The purpose of this utility model is to provide a kind of variable-frequency ventilation control systems, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of variable-frequency ventilation control system, including master
Ventilation shaft, main ventilation pipeline two sides are communicated with branch ventilation shaft, and main ventilation pipeline one end is fixedly connected with
Ring flange, the ring flange other end are fixedly connected with frequency conversion fan, and the frequency conversion fan side is equipped with frequency converter, the master
Ventilation shaft two sides are separately installed with first pipe static pressure transducer and second pipe static pressure transducer, the main ventilation pipeline two
Side is provided with mounting hole, and the first pipe static pressure transducer and second pipe static pressure transducer bottom end are all connected in mounting hole
Portion, the first pipe static pressure transducer and second pipe static pressure transducer are respectively arranged below with adjusting nut and check washer.
Preferably, internal screw thread, the first pipe static pressure transducer and second pipe static pressure are equipped with inside the mounting hole
Sensor bottom end is threadedly connected to inside mounting hole.
Preferably, the check washer bottom end is equipped with rubber sheet gasket, and the rubber sheet gasket bottom end is provided with arc groove.
Preferably, exhaust outlet is equipped with above the frequency conversion fan.
Preferably, the first pipe static pressure transducer is identical with second pipe static pressure transducer specification.
Preferably, the ring flange between the main ventilation pipeline and frequency conversion fan is bolted to connection.
Compared with prior art, the utility model has the beneficial effects that a kind of variable-frequency ventilation control system of the utility model,
Structure novel, by the setting of first pipe static pressure transducer and second pipe static pressure transducer, so that entire main ventilation pipeline
Top can have the real-time monitoring of two groups of duct static pressure sensors progress pipeline inner ventilation situations, lead in the frequency-conversion ventilating system
It crosses using constant static pressure control method, adjusts the revolving speed and air quantity of frequency conversion fan, by frequency converter to guarantee inside main ventilation pipeline
Pressure difference it is constant, by the setting of check washer and rubber sheet gasket, enable adjusting nut first pipe static pressure transducer
The two sides of main ventilation pipeline are stably fixed at second pipe static pressure transducer, first pipe static pressure transducer and second pipe are quiet
Pressure sensor is arranged in main ventilation pipeline two sides in same level line position, so that first pipe static pressure transducer and second pipe
The data that static pressure transducer measures reduce the error of measurement generation close to unanimously.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model rubber sheet gasket structural schematic diagram；
Fig. 3 is the utility model part A partial enlargement structural representation.
In figure: 1 main ventilation pipeline, 2 frequency conversion fans, 3 ring flanges, 4 first pipe static pressure transducers, 5 second pipe static pressure
Sensor, 6 branch ventilation shafts, 7 frequency converters, 8 exhaust outlets, 9 mounting holes, 10 adjusting nuts, 11 check washers, 12 rubber pads
Piece, 13 arc grooves.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of variable-frequency ventilation control system, including it is main logical
Air piping 1,1 two sides of main ventilation pipeline are communicated with branch ventilation shaft 6, and described 1 one end of main ventilation pipeline is fixedly connected
There is ring flange 3,3 other end of ring flange is fixedly connected with frequency conversion fan 2, and 2 side of frequency conversion fan is equipped with frequency converter
7,1 two sides of main ventilation pipeline are separately installed with first pipe static pressure transducer 4 and second pipe static pressure transducer 5, described
1 two sides of main ventilation pipeline are provided with mounting hole 9,5 bottom end of the first pipe static pressure transducer 4 and second pipe static pressure transducer
It is all connected to inside mounting hole 9, the first pipe static pressure transducer 4 and second pipe static pressure transducer 5 are respectively arranged below with
Adjusting nut 10 and check washer 11.
Internal screw thread, the first pipe static pressure transducer 4 and second pipe static pressure transducer are equipped with inside the mounting hole 9
5 bottom ends are threadedly connected to inside mounting hole 9.11 bottom end of check washer is equipped with rubber sheet gasket 12, the rubber sheet gasket 12
Bottom end is provided with arc groove 13.Exhaust outlet 8 is equipped with above the frequency conversion fan 2.The first pipe static pressure transducer 4 and second
5 specification of duct static pressure sensor is identical.3 company of being bolted of ring flange between the main ventilation pipeline 1 and frequency conversion fan 2
It connects.
Working principle: a kind of variable-frequency ventilation control system of the utility model, structure novel are sensed by first pipe static pressure
The setting of device and second pipe static pressure transducer, so that can have two groups of duct static pressure sensors above entire main ventilation pipeline 1
The real-time monitoring for carrying out pipeline inner ventilation situation passes through change by using constant static pressure control method in the frequency-conversion ventilating system
The revolving speed and air quantity that frequency device 7 adjusts frequency conversion fan 2 pass through check washer 11 to guarantee that the pressure difference inside main ventilation pipeline 1 is constant
With the setting of rubber sheet gasket 12, adjusting nut 10 senses first pipe static pressure transducer 4 and second pipe static pressure
Device 5 is stably fixed at the two sides of main ventilation pipeline 1, first pipe static pressure transducer 4 and second pipe static pressure transducer 5 main logical
The setting of 1 two sides of air piping is in same level line position, so that first pipe static pressure transducer 4 and second pipe static pressure transducer 5
The data measured reduce the error of measurement generation close to unanimously.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of variable-frequency ventilation control system, including main ventilation pipeline (1), it is characterised in that: main ventilation pipeline (1) two sides
It is communicated with branch ventilation shaft (6), described main ventilation pipeline (1) one end is fixedly connected with ring flange (3), the ring flange
(3) other end is fixedly connected with frequency conversion fan (2), and frequency conversion fan (2) side is equipped with frequency converter (7), the main ventilation
Pipeline (1) two sides are separately installed with first pipe static pressure transducer (4) and second pipe static pressure transducer (5), the main ventilation
Pipeline (1) two sides are provided with mounting hole (9), the first pipe static pressure transducer (4) and second pipe static pressure transducer (5) bottom
End is all connected to mounting hole (9) inside, the first pipe static pressure transducer (4) and second pipe static pressure transducer (5) lower section
It is respectively equipped with adjusting nut (10) and check washer (11).
2. a kind of variable-frequency ventilation control system according to claim 1, it is characterised in that: set inside the mounting hole (9)
There is internal screw thread, the first pipe static pressure transducer (4) and second pipe static pressure transducer (5) bottom end are threadedly connected to installation
Hole (9) is internal.
3. a kind of variable-frequency ventilation control system according to claim 1, it is characterised in that: check washer (11) bottom end
Equipped with rubber sheet gasket (12), rubber sheet gasket (12) bottom end is provided with arc groove (13).
4. a kind of variable-frequency ventilation control system according to claim 1, it is characterised in that: above the frequency conversion fan (2)
Equipped with exhaust outlet (8).
5. a kind of variable-frequency ventilation control system according to claim 1, it is characterised in that: the first pipe static pressure sensing
Device (4) is identical with second pipe static pressure transducer (5) specification.
6. a kind of variable-frequency ventilation control system according to claim 1, it is characterised in that: the main ventilation pipeline (1) with
Ring flange (3) between frequency conversion fan (2) is bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820936207.3U CN208566996U (en) | 2018-06-19 | 2018-06-19 | Variable-frequency ventilation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820936207.3U CN208566996U (en) | 2018-06-19 | 2018-06-19 | Variable-frequency ventilation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208566996U true CN208566996U (en) | 2019-03-01 |
Family
ID=65487213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820936207.3U Expired - Fee Related CN208566996U (en) | 2018-06-19 | 2018-06-19 | Variable-frequency ventilation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208566996U (en) |
-
2018
- 2018-06-19 CN CN201820936207.3U patent/CN208566996U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20190301 Termination date: 20200619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |