CN206935989U - The fume hood variable air volume control system of multi-control modes - Google Patents
The fume hood variable air volume control system of multi-control modes Download PDFInfo
- Publication number
- CN206935989U CN206935989U CN201720803015.0U CN201720803015U CN206935989U CN 206935989 U CN206935989 U CN 206935989U CN 201720803015 U CN201720803015 U CN 201720803015U CN 206935989 U CN206935989 U CN 206935989U
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- CN
- China
- Prior art keywords
- wind
- air draft
- fume hood
- control system
- house steward
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Abstract
It the utility model is related to a kind of fume hood variable air volume control system of multi-control modes.The system includes：The vent cabinet at middle part is arranged on, the vent cabinet connects some air drafts and is in charge of, and connection air draft house steward is in charge of in described air draft, and some benefit wind of vent cabinet connection are in charge of, and described benefit wind is in charge of connection and mends wind house steward；The vent cabinet is provided with wind cupboard panel, the wind cupboard panel connects transmission device, the transmission device includes leading block group, pull rope, the leading block group is connected to detect the encoder that wind cupboard panel draws high height, the encoder connects controller, the PORT COM of the controller communicates one benefit wind frequency converter of connection by bus communication repeater respectively, one air draft frequency converter, the benefit wind frequency converter and a benefit wind frequency conversion fan electrical connection, the air draft frequency converter and an air draft frequency conversion fan electrical connection, the benefit wind house steward is connected with the benefit wind frequency conversion fan, the air draft house steward is connected with the air draft frequency conversion fan.
Description
Technical field
It the utility model is related to a kind of fume hood variable air volume control system of multi-control modes.
Background technology
Fume hood is one of safety means important in laboratory, be mainly used in discharge experimentation in it is caused it is poisonous,
Harmful, odor gas, the physical and mental health of experimenter is ensured, create the working environment of comfortable safety.But existing fume hood
Mostly simple mechanical structure, the ventilation of blower fan immobilizes during work, will not be opened with experimental implementation door big minor adjustment its
Ventilation, not only wastes electric energy, often has an effect on operation experiments effect.
The control system of existing fume hood has the following problems：
The device that monitoring fume hood panel draws high height belongs to direct contact type, easy to wear.
The device of fume hood face wind speed is monitored without adjustment amplitude limitation, when device data inaccuracy, easily causes ventilation valve
Door standard-sized sheet or fully closed, loses the effect of adjustment air quantity.
VAV control module closed procedures, it can not independently extend Ventilation Control pattern.
It can not realize that the panel that each fume hood is monitored using remote terminal draws high height.
In view of above-mentioned, the design people is actively subject to research and innovation, becomes wind to found a kind of fume hood of multi-control modes
Amount control system, make it with more the value in industry.
The content of the invention
In order to solve the above technical problems, the purpose of this utility model is to provide one kind makes fume hood using variable-frequency control technique
Cabinet has VAV control function, can not only be accurately finished the function of laboratory ventilation cabinet discharge pernicious gas, may be used also
To reduce energy consumption, reduce noise, or even the fume hood variable air volume control system of the multi-control modes of noise-free operation.
The fume hood variable air volume control system of the utility model multi-control modes, including：It is arranged on the vent cabinet at middle part, institute
State some air drafts of vent cabinet connection to be in charge of, connection air draft house steward, some benefit wind point of vent cabinet connection are in charge of in described air draft
Pipe, described benefit wind are in charge of connection and mend wind house steward；The vent cabinet is provided with wind cupboard panel, the wind cupboard panel connection transmission dress
Put, the transmission device includes leading block group, pull rope, and one end of the pull rope is connected with wind cupboard panel, the traction
The other end of rope is connected with counterweight, and the leading block group is connected to detect the encoder that wind cupboard panel draws high height, described
Encoder connects controller, and the PORT COM of the controller is communicated connection one by bus communication repeater and mends wind change respectively
Frequency device, an air draft frequency converter, the benefit wind frequency converter and a benefit wind frequency conversion fan electrical connection, the air draft frequency converter and one
Platform air draft frequency conversion fan electrically connect, it is described benefit wind house steward with it is described mend wind frequency conversion fan be connected, the air draft house steward with it is described
Air draft frequency conversion fan is connected；
The bottom of the vent cabinet is provided with locker, and the top of the vent cabinet is provided with display screen, the display screen connection
The controller.
Further, the locker is provided with split ground cabinet door, and two pieces are provided with the locker by the locker
It is divided into the dividing plate of three memory spaces.
Further, the entrance for mending wind house steward is provided with air cleaner.
Further, fume hood is provided with scram button, and the scram button is connected with the controller.
Further, described benefit wind frequency conversion fan, air draft frequency conversion fan are connected to silencer.
Further, described benefit wind house steward, wind pressure sensor is respectively equipped with air draft house steward, the wind pressure sensor connects
The controller is connect, shows described wind pressure sensor data on the display.
Further, the display screen is touching display screen.
Further, the encoder is incremental AB phase photoelectric encoders.
Further, it is provided with ultraviolet germicidal lamp in the vent cabinet.
Compared with prior art, the fume hood variable air volume control system of the utility model multi-control modes has following excellent
Point：
Durability：Because the device of detection panel height is changed to photoelectric encoder, so more resistance to than devices such as drawstring resistance
Abrasiveness greatly improves.It can be carried out limiting fine setting amplitude according to actual conditions.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.
Brief description of the drawings
Fig. 1 is the structural representation of the fume hood variable air volume control system of the utility model multi-control modes；
Fig. 2 is the control block diagram of the fume hood variable air volume control system of the utility model multi-control modes.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
As shown in Fig. 1 to 2, a kind of most preferred embodiment of the fume hood variable air volume control system of multi-control modes of the present invention,
Including：The vent cabinet 3 at middle part is arranged on, the vent cabinet connects some air drafts and is in charge of, and it is total that connection air draft is in charge of in described air draft
Pipe, some benefit wind of vent cabinet connection are in charge of, and described benefit wind is in charge of connection and mends wind house steward；The vent cabinet is provided with wind cupboard
Panel 2, the wind cupboard panel connect transmission device, and the transmission device includes leading block group, pull rope, the pull rope
One end is connected with wind cupboard panel, and the other end of the pull rope is connected with counterweight, and the leading block group is connected to detect wind
Cupboard panel draws high the encoder of height, and the encoder connects controller, and the PORT COM of the controller passes through bus communication
Repeater communicates connection one and mends wind frequency converter, an air draft frequency converter, the benefit wind frequency converter and a benefit wind frequency conversion respectively
Blower fan electrically connects, the air draft frequency converter and an air draft frequency conversion fan electrical connection, the benefit wind house steward and the benefit wind frequency conversion
Blower fan is connected, and the air draft house steward is connected with the air draft frequency conversion fan；
The bottom of the vent cabinet is provided with locker, and the top of the vent cabinet is provided with display screen 1, the display screen connection
The controller.Fume hood is provided with scram button 6, and the scram button is connected with the controller.
The locker is provided with split ground cabinet door 5, and the locker is interior to be divided into three provided with two pieces by the locker 4
The dividing plate of memory space.
Further, in order to which guarantee test IAQ, the entrance for mending wind house steward are provided with air cleaner.
Described benefit wind frequency conversion fan, air draft frequency conversion fan are connected to silencer.Silencer is used for reducing noise, keeps away
Exempt from noise generation vibration to have an impact experimental result, be also beneficial to keep environment quiet.
For monitoring the working condition of described wind frequency conversion fan, air draft frequency conversion fan, described benefit wind house steward, air draft are total
Wind pressure sensor is respectively equipped with pipe, the wind pressure sensor connects the controller, on the display described in display
Wind pressure sensor data.
In order to facilitate use, the display screen is touching display screen.The encoder is incremental AB phase photoelectric codings
Device.
In the present embodiment, it is provided with ultraviolet germicidal lamp in the vent cabinet.
The control of the Ventilation Control pattern of fume hood comprise at least normal mode, standard-sized sheet or it is horizontal open small window pattern, wherein,
Normal mode：The controller, according to the pulse signal of the rotation capturing and coding device of encoder, it is converted into the reality of fume hood panel
Border position, controller is by mending wind frequency converter, air draft frequency converter mends wind blower fan, frequency conversion exhaust fan and then control frequency conversion.
Described above is only preferred embodiment of the present utility model, is not limited to the utility model, it is noted that
For those skilled in the art, on the premise of the utility model technical principle is not departed from, can also do
Go out some improvement and modification, these improvement and modification also should be regarded as the scope of protection of the utility model.
Claims (9)
- A kind of 1. fume hood variable air volume control system of multi-control modes, it is characterised in that including：It is arranged on the ventilation at middle part Cabinet, the vent cabinet connect some air drafts and are in charge of, and connection air draft house steward is in charge of in described air draft, and the vent cabinet connects some benefits Wind is in charge of, and described benefit wind is in charge of connection and mends wind house steward；The vent cabinet is provided with wind cupboard panel, and the wind cupboard panel connection passes Dynamic device, the transmission device include leading block group, pull rope, and one end of the pull rope is connected with wind cupboard panel, described The other end of pull rope is connected with counterweight, and the leading block group is connected to detect the encoder that wind cupboard panel draws high height, The encoder connects controller, and the PORT COM of the controller communicates one benefit of connection by bus communication repeater respectively Wind frequency converter, an air draft frequency converter, the benefit wind frequency converter and a benefit wind frequency conversion fan electrical connection, the air draft frequency converter Electrically connected with air draft frequency conversion fan, the benefit wind house steward is connected with the benefit wind frequency conversion fan, the air draft house steward and The air draft frequency conversion fan is connected；The bottom of the vent cabinet is provided with locker, and the top of the vent cabinet is provided with display screen, described in the display screen connection Controller.
- 2. the fume hood variable air volume control system of multi-control modes according to claim 1, it is characterised in that the storing Cabinet is provided with split ground cabinet door, and two pieces of dividing plates that the locker is divided into three memory spaces are provided with the locker.
- 3. the fume hood variable air volume control system of multi-control modes according to claim 1, it is characterised in that the benefit wind The entrance of house steward is provided with air cleaner.
- 4. the fume hood variable air volume control system of multi-control modes according to claim 1, it is characterised in that on fume hood Provided with scram button, the scram button is connected with the controller.
- 5. the fume hood variable air volume control system of multi-control modes according to claim 1, it is characterised in that described benefit Wind frequency conversion fan, air draft frequency conversion fan are connected to silencer.
- 6. the fume hood variable air volume control system of multi-control modes according to claim 1, it is characterised in that described benefit Wind pressure sensor is respectively equipped with wind house steward, air draft house steward, the wind pressure sensor connects the controller, in the display Wind pressure sensor data described in upper display.
- 7. the fume hood variable air volume control system of multi-control modes according to claim 1, it is characterised in that the display Shield for touching display screen.
- 8. the fume hood variable air volume control system of multi-control modes according to claim 1, it is characterised in that the coding Device is incremental AB phase photoelectric encoders.
- 9. the fume hood variable air volume control system of multi-control modes according to claim 1, it is characterised in that the ventilation Ultraviolet germicidal lamp is provided with cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720803015.0U CN206935989U (en) | 2017-07-05 | 2017-07-05 | The fume hood variable air volume control system of multi-control modes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720803015.0U CN206935989U (en) | 2017-07-05 | 2017-07-05 | The fume hood variable air volume control system of multi-control modes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206935989U true CN206935989U (en) | 2018-01-30 |
Family
ID=61367023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720803015.0U Expired - Fee Related CN206935989U (en) | 2017-07-05 | 2017-07-05 | The fume hood variable air volume control system of multi-control modes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206935989U (en) |
-
2017
- 2017-07-05 CN CN201720803015.0U patent/CN206935989U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20180705 |