CN205977682U - Automatic pressure device's of control marsh gas roots fan control system - Google Patents
Automatic pressure device's of control marsh gas roots fan control system Download PDFInfo
- Publication number
- CN205977682U CN205977682U CN201620767621.7U CN201620767621U CN205977682U CN 205977682 U CN205977682 U CN 205977682U CN 201620767621 U CN201620767621 U CN 201620767621U CN 205977682 U CN205977682 U CN 205977682U
- Authority
- CN
- China
- Prior art keywords
- switch
- converter
- foot
- roots blower
- control
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses an automatic pressure device's of control marsh gas roots fan control system, including converter, pressure transmitter, be used for radiating cooling fan, roots's fan and control circuit, be connected with first key switch between the first end foot of converter and the second end foot, be connected pressure transmitter between the third end foot of converter and the fourth end foot, the five terminal foot of converter holds the foot to be connected with the 6th, the 7th of converter is held the foot and the 8th is held the foot to be connected, foot ground connection are held to nine of converter, pressure transmitter is provided with pressure sensor. The beneficial effects of the utility model are that: adopted converter and pressure sensor to control roots's fan of the automatic pressure device of marsh gas, when atmospheric pressure was low, roots's fan of converter control increaseed the frequency operation, reached the upper limit when atmospheric pressure, and roots's fan of converter control reduces the frequency operation, guaranteed all the time that the permanent torque of roots's fan operates, guarantee that gas pitcher pressure is the constant voltage, simple structure has very strong practicality.
Description
Technical field
This utility model is related to biogas control field, especially a kind of roots blower control controlling biogas automatic pressurizing device
System processed.
Background technology
Large, medium and small at present i.e. jumbo methane-generating pit, no matter structure, material how to change, typically have anaerobic fermentation tank
Exist with gas tank simultaneously, just enable the function of aerogenesis and air storage, and just could meet under conditions of applying additional air pressure
The requirement often using.Its complex structure, floor space is big, high cost.
Roots blower is a kind of positive displacement blower fan, in the industrial production, can be used for the air conveying of material it can also be used to carry
Air pulse for constant pressure.When providing constant pressure air pulse, after air pressure reaches or exceeds setting value, Luo Cifeng
The pressure relief valve of machine can actively open, and aerofluxuss blood pressure lowering makes the stream pressure of offer maintain constant scope, existing Roots's wind
Unit control system typically adopts throttle flow rate to control or frequency control flow control system, and the former energy expenditure is higher then
Person's equipment cost is high.
Traditional biogas automatic pressurizing device is to control air pressure height using pressure switch, when air pressure is less than lower limit
Wait, pressure switch just closes, and roots blower begins to starting and carries out air-breathing, and pressure reaches the upper limit, and pressure switch just disconnects, Roots
Blower fan just stops suction, if air pressure is low, roots blower begins to starting and carries out air-breathing；But gas tank pressure ensures not
Constant voltage, does not reach use requirement.
Therefore, the problems referred to above are necessary that proposing a kind of roots blower controlling biogas automatic pressurizing device controls system
System.
Utility model content
This utility model purpose is to overcome deficiency of the prior art, there is provided a kind of control biogas automatic pressurizing device
Roots blower control system.
In order to solve above-mentioned technical problem, this utility model is to be achieved through the following technical solutions：
A kind of roots blower control system controlling biogas automatic pressurizing device, including converter, pressure transmitter, is used for
The cooling fan of radiating, roots blower and control circuit, are connected with the between the first end foot of described converter and the second end foot
One key switch, is connected to pressure transmitter between the 3rd end foot of described converter and the 4th end foot, and the of described converter
Five end feet are connected with the 6th end foot, and the 7th end foot of described converter is connected with the 8th end foot, and nine end feet of described converter connect
Ground, described pressure transmitter is provided with pressure transducer.
Preferably, control circuit include display lamp, chopper, normally closed switch, the second key switch, first coil switch,
Second coil switch, tertiary coil switch, the 4th coil switch, the 3rd switch, the 4th switch, the 5th switch and fuse.
Preferably, described roots blower earth terminal ground connection, the U end of described roots blower, V end and W end respectively with frequency conversion
The U end of device, V end are corresponding with W end to be connected, the R end of described cooling fan, S end and T end respectively with the R end of converter, S end and T end
Corresponding connection.
Preferably, the R end of described converter, S end and T end also respectively with first coil switch, the second coil switch and the
Three-winding switch connects, and described first coil switch, the second coil switch and tertiary coil switch are opened with the corresponding 3rd respectively
Close, the 4th switch and the 5th switch connect,
Preferably, it is connected display lamp between described 4th switch and the 5th switch, connect successively between described display lamp two ends
It is connected to normally closed switch, the second key switch, the 4th coil switch and chopper, described second key switch and the 4th coil switch
In parallel.
The beneficial effects of the utility model are：Employ converter and pressure transducer to control biogas automatic pressurizing device
Roots blower, when air pressure is low, the roots blower of Frequency Converter Control increases frequency run, when air pressure reaches the upper limit,
The roots blower of Frequency Converter Control reduces frequency run, is always ensured that roots blower permanent torque operates；Ensure that gas tank pressure is permanent
Pressure, structure is simple, has very strong practicality.
Below with reference to accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is made furtherly
Bright, to be fully understood from the purpose of this utility model, feature and effect.
Brief description
Fig. 1 is converter and the pressure transmitter connection diagram of this utility model embodiment；
Fig. 2 is converter and the control circuit connection diagram of this utility model embodiment.
Specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but this utility model can be by right
The multitude of different ways limiting and covering is required to implement.
Such as Fig. 1 simultaneously combines shown in Fig. 2, a kind of roots blower control system controlling biogas automatic pressurizing device, including change
Frequency device B1, pressure transmitter N1, cooling fan M2, roots blower M1 for radiating and control circuit, described frequency converter B 1
It is connected with the first key switch between first end foot and the second end foot, connect between the 3rd end foot of described converter and the 4th end foot
Then pressure transmitter N1, the 5th end foot of described frequency converter B 1` is connected with the 6th end foot, the 7th end foot of described frequency converter B 1
It is connected with the 8th end foot, nine end foot ground connection of described frequency converter B 1, described pressure transmitter N1 is provided with pressure transducer.
Further, control circuit include display lamp LT1, chopper KM, normally closed switch SB1, the second key switch SB2,
First coil switch K1, the second coil switch K2, tertiary coil switch K3, the 4th coil switch K4, the 3rd switch QS1, the 4th
Switch QS2, the 5th switch QS3 and fuse FU, the earth terminal ground connection of described roots blower M1, the U end of described roots blower M1,
V end and U end, the corresponding connection in V end and W end with frequency converter B 1 respectively of W end, the R end of described cooling fan M2, S end and T end are respectively
R end, the corresponding connection in S end and T end with frequency converter B 1.
Further, the R end of described frequency converter B 1, S end and T end are also opened with first coil switch K1, the second coil respectively
Close K2 and tertiary coil switch K3 to connect, described first coil switch K1, the second coil switch K2 and tertiary coil switch K3 divide
Not with the corresponding 3rd switch QS1, the 4th switch QS2 and the 5th switch QS3 connection, described 4th switch QS2 and the 5th switch
Connect display lamp LT1 between QS3, between described display lamp LT1 two ends, be connected with normally closed switch SB1, the second key switch in turn
SB2, the 4th coil switch K2 and chopper KM, described second key switch SB2 is in parallel with the 4th coil switch K4.
The beneficial effects of the utility model are：Employ converter and pressure transducer to control biogas automatic pressurizing device
Roots blower, when air pressure is low, the roots blower of Frequency Converter Control increases frequency run, when air pressure reaches the upper limit,
The roots blower of Frequency Converter Control reduces frequency run, is always ensured that roots blower permanent torque operates；Ensure that gas tank pressure is permanent
Pressure, structure is simple, has very strong practicality.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all this technology necks
In domain, technical staff passes through logical analyses, reasoning or limited reality on the basis of existing technology according to design of the present utility model
Test available technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (5)
1. a kind of roots blower control system controlling biogas automatic pressurizing device, including converter, pressure transmitter, is used for dissipating
The cooling fan of heat, roots blower and control circuit it is characterised in that：Between the first end foot of described converter and the second end foot
It is connected with the first key switch, between the 3rd end foot of described converter and the 4th end foot, be connected to pressure transmitter, described change
5th end foot of frequency device is connected with the 6th end foot, and the 7th end foot of described converter is connected with the 8th end foot, described converter
Nine end foot ground connection, described pressure transmitter is provided with pressure transducer.
2. as claimed in claim 1 control biogas automatic pressurizing device roots blower control system it is characterised in that：Control
Circuit includes display lamp, chopper, normally closed switch, the second key switch, first coil switch, the second coil switch, the 3rd line
Circle switch, the 4th coil switch, the 3rd switch, the 4th switch, the 5th switch and fuse.
3. as claimed in claim 1 or 2 control biogas automatic pressurizing device roots blower control system it is characterised in that：
The earth terminal ground connection of described roots blower, the U end of described roots blower, V end and W end respectively with the U end of converter, V end and W end
Corresponding connection, R end, the corresponding connection in S end and T end with converter respectively of the R end of described cooling fan, S end and T end.
4. as claimed in claim 1 or 2 control biogas automatic pressurizing device roots blower control system it is characterised in that：
The R end of described converter, S end and T end are also connected with first coil switch, the second coil switch and tertiary coil switch respectively,
Described first coil switch, the second coil switch and tertiary coil switch respectively with the corresponding 3rd switch, the 4th switch and the
Five switches connect.
5. as claimed in claim 2 control biogas automatic pressurizing device roots blower control system it is characterised in that：Described
4th switch and the 5th switch between be connected display lamp, be connected with turn between described display lamp two ends normally closed switch, second by
Key switch, the 4th coil switch and chopper, described second key switch is in parallel with the 4th coil switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767621.7U CN205977682U (en) | 2016-07-20 | 2016-07-20 | Automatic pressure device's of control marsh gas roots fan control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620767621.7U CN205977682U (en) | 2016-07-20 | 2016-07-20 | Automatic pressure device's of control marsh gas roots fan control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977682U true CN205977682U (en) | 2017-02-22 |
Family
ID=58025509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620767621.7U Withdrawn - After Issue CN205977682U (en) | 2016-07-20 | 2016-07-20 | Automatic pressure device's of control marsh gas roots fan control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971883A (en) * | 2016-07-20 | 2016-09-28 | 广西玉林卓越动力发电设备有限公司 | Roots blower control system for controlling methane automatic pressurizing device |
-
2016
- 2016-07-20 CN CN201620767621.7U patent/CN205977682U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971883A (en) * | 2016-07-20 | 2016-09-28 | 广西玉林卓越动力发电设备有限公司 | Roots blower control system for controlling methane automatic pressurizing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205977682U (en) | Automatic pressure device's of control marsh gas roots fan control system | |
| CN206751392U (en) | A kind of medical molecular sieve central oxygen machine oxygen-supplying amount regulating system | |
| CN105971883B (en) | A kind of roots blower control system for controlling biogas automatic pressurizing device | |
| CN208092563U (en) | A kind of pool with fountain water level controller | |
| CN206360024U (en) | Skyscraper secondary water supply system automatic controlling device for water tank level | |
| CN206538413U (en) | Four seasons firedamp gas equipment in greenhouse | |
| CN209525599U (en) | Carbon dioxide concentration control system in a kind of greenhouse based on 51 single-chip microcontrollers | |
| CN204665593U (en) | A kind of exhaust system | |
| CN204919676U (en) | Outdoor frostproofing water supply equipment with atmosphere intercommunication device | |
| CN207752075U (en) | A kind of detection device of fan of frequency converter failure | |
| CN208829808U (en) | A kind of frequency-changing pressure stabilizing dust filtration device | |
| CN206888062U (en) | A kind of smart city water supply and energy saving system | |
| CN206333144U (en) | It is a kind of can automatic water-storage water planting cultivation box | |
| CN205641328U (en) | Utilize natural wind can improve economizer of indoor environment | |
| CN205233039U (en) | Automatic irrigation system of plant | |
| CN205119229U (en) | Room temperature controlling means based on computer technology | |
| CN205068180U (en) | Millimeter level liquid level control system based on pressure sensor | |
| CN204466374U (en) | Aerial mini farm | |
| CN204014634U (en) | A kind of solar energy greenhouse booth | |
| CN207301687U (en) | Automatic controller for water pump | |
| CN2921245Y (en) | Apparatus for regulating glass transparency | |
| CN204314755U (en) | A kind of novel intelligent warmhouse booth control system | |
| CN103470293A (en) | Power-assisted tower of return air shaft | |
| CN207196997U (en) | Air source heat pump center clutch | |
| CN207939212U (en) | Wiring control circuit and the complete controller of taiwan area including the wiring control circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170222 Effective date of abandoning: 20180116 |