CN205425281U - Fire room frequency conversion ventilation system - Google Patents
Fire room frequency conversion ventilation system Download PDFInfo
- Publication number
- CN205425281U CN205425281U CN201521062795.5U CN201521062795U CN205425281U CN 205425281 U CN205425281 U CN 205425281U CN 201521062795 U CN201521062795 U CN 201521062795U CN 205425281 U CN205425281 U CN 205425281U
- Authority
- CN
- China
- Prior art keywords
- converter
- inverter motor
- pressure
- frequency
- temperature
- 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.)
- Active
Links
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The utility model provides a fire room frequency conversion ventilation system relates to the frequency conversion control system, includes: temperature sensor and consecutive first converter, a frequency variable motor, exhaust fan, pressure sensor and consecutive second converter, the 2nd frequency variable motor, air feed machine, temperature sensor and pressure sensor set up in the fire room, detect the temperature and the pressure of fire room, temperature sensor is with temperature signal transmission to the first converter that detects, first converter basis temperature signal control frequency variable motor increase the amount of wind of exhaust fan perhaps reduces to state the amount of wind of exhaust fan, pressure sensor transmits the pressure signal who detects to the second converter, second converter basis pressure signal control the increase of the 2nd frequency variable motor the amount of wind of air feed machine perhaps reduces to state the amount of wind of air feed machine.
Description
Technical field
This utility model relates to frequency-changing control system, is specifically related to a kind of boiler room frequency-conversion ventilating system.
Background technology
The ventilation of boiler room needs multiformity, the when that boiler not running the most in the winter time, if can not be reduced by the air quantity of blower fan in time, the most outdoor substantial amounts of cold air enters room, the heating efficiency in room is not enough, and pipeline aqueous in making room and equipment freeze, damage equipment；And for example boiler operatiopn in summer when, the thermic load in room is the highest, as do not improved by the air quantity in room in time, then can cause main frame or miscellaneous equipment temperature alarm and shutdown.For another example, the when of boiler operatiopn, need amount of oxygen (amount of fresh air) big, and the when of operation, need not again.As do not adjusted in time, equipment operation can be caused the most smooth.
Therefore, in the Design of ventilation of boiler room, need to consider: the burning that whether indoor equipment i.e. boiler operates, indoor different thermic load, equipment need consumes amount of oxygen；Outdoor environment inconsistent with summer in the winter time；Whenever need need room when Design of ventilation in keep ventilation malleation.The comprehensive function of these factors, it is desirable to the ventilation in room has multiple duty and changes in time, to ensure the properly functioning of equipment.Otherwise the operation of equipment can be impacted.
System considers above-mentioned factor at present, uses Double Speed Fan to realize Design of ventilation, can realize two operating points；By artificial monitoring and judgement, determine which blower fan operating point of selection.Requirement to operator is the highest.And room is actually needed when using Double Speed Fan air quantity and fan delivery can not be completely the same, equipment can be run and cause risk.
Utility model content
This utility model is in order to solve the problems referred to above, it is proposed that a kind of boiler room frequency-conversion ventilating system, it is possible to the accurately coupling boiler room operating point to various states.
In order to realize above-mentioned utility model purpose, the technical scheme that this utility model is taked is as follows:
A kind of boiler room frequency-conversion ventilating system, including:
Temperature sensor and the first converter being sequentially connected, the first inverter motor, exhaust blower；Pressure transducer and the second converter being sequentially connected, the second inverter motor, confession blower fan；
Described temperature sensor and pressure transducer are arranged in boiler room, detect the temperature and pressure of described boiler room, the temperature signal of detection is transferred to the first converter by described temperature sensor, and described first converter controls described first inverter motor according to described temperature signal and increases the air quantity of described exhaust blower or the air quantity of exhaust blower is stated in reduction；
Described pressure transducer is by the pressure signal transmission of detection to the second converter, and described second converter controls the described second described air quantity for blower fan of inverter motor increase according to described pressure signal or the air quantity for blower fan is stated in reduction.
Preferably, described first converter includes the first comparing unit, the first converter unit:
Described temperature signal is compared by described first comparing unit with set temperature value, and when described temperature signal is more than described set temperature value, described first converter unit controls described first inverter motor and increases frequency；When described temperature signal is less than described set temperature value, described first converter unit controls described first inverter motor and reduces frequency；When described temperature signal is equal to described set temperature value, it is constant that described first converter unit controls described first inverter motor frequency.
Preferably, described second converter includes the second comparing unit, the second converter unit:
Described pressure signal is compared by described second comparing unit with setup pressure value, and when described pressure signal is less than described setup pressure value, described second converter unit controls described second inverter motor and increases frequency；When described pressure signal is more than described setup pressure value, described second converter unit controls described second inverter motor and reduces frequency；When described pressure signal is equal to described setup pressure value, it is constant that described second converter unit controls described second inverter motor frequency.
Preferably, described exhaust blower connects one or more exhaust outlet.
Preferably, described confession blower fan connects one or more air inlet.
Compared to the prior art this utility model, has the advantages that
The ventilating system using this utility model to provide, can meet the interior needs to various different conditions operating points of boiler room at any time, will not run equipment and cause risk, and the requirement to operator is little.
Accompanying drawing explanation
Fig. 1 is the structural representation of the boiler room frequency-conversion ventilating system of this utility model embodiment.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and beneficial effect of greater clarity, below in conjunction with the accompanying drawings embodiment of the present utility model is illustrated, it should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can mutual combination in any.
As it is shown in figure 1, this utility model embodiment provides a kind of boiler room frequency-conversion ventilating system, including:
Temperature sensor and the first converter being sequentially connected, the first inverter motor, exhaust blower；Pressure transducer and the second converter being sequentially connected, the second inverter motor, confession blower fan；
Described temperature sensor and pressure transducer are arranged in boiler room, detect the temperature and pressure of described boiler room, the temperature signal of detection is transferred to the first converter by described temperature sensor, and described first converter controls described first inverter motor according to described temperature signal and increases the air quantity of described exhaust blower or the air quantity of exhaust blower is stated in reduction；
Described pressure transducer is by the pressure signal transmission of detection to the second converter, and described second converter controls the described second described air quantity for blower fan of inverter motor increase according to described pressure signal or the air quantity for blower fan is stated in reduction.
Being provided with boiler in boiler room, boiler includes combustion air inlet, water inlet pipe, outlet pipe, combustion flue gas outlet and waste stack etc., and the ventilation of ventilating system needs to meet the requirement of various operating mode:
1, it is in safe requirement, boiler room domestic demand normality to be kept malleation (i.e. wind supply quantity is greater than exhaust air rate)；
2, during the operating of the equipment boiler in boiler room, need to obtain oxygen (air) in room；
3, winter and the outdoor condition of different temperatures in summer.
In this utility model embodiment, blower motor uses inverter motor, Frequency Converter Control inverter motor, changes motor rotary speed, thus obtains different exhaust air rates and wind supply quantity.
Described first converter includes the first comparing unit, the first converter unit:
Described temperature signal is compared by described first comparing unit with set temperature value, and when described temperature signal is more than described set temperature value, described first converter unit controls described first inverter motor and increases frequency；When described temperature signal is less than described set temperature value, described first converter unit controls described first inverter motor and reduces frequency；When described temperature signal is equal to described set temperature value, it is constant that described first converter unit controls described first inverter motor frequency.
Described second converter includes the second comparing unit, the second converter unit:
Described pressure signal is compared by described second comparing unit with setup pressure value, and when described pressure signal is less than described setup pressure value, described second converter unit controls described second inverter motor and increases frequency；When described pressure signal is more than described setup pressure value, described second converter unit controls described second inverter motor and reduces frequency；When described pressure signal is equal to described setup pressure value, it is constant that described second converter unit controls described second inverter motor frequency.
Temperature sensor is set in room, sends room temperature signal to first converter, control the air quantity of exhaust blower, when room temperature is more than set temperature value, the air quantity of increasing exhaust machine, strengthen ventilating and cooling effect, otherwise, reduce exhaust air rate.
Pressure transducer is set in room, sends room pressure signal to second converter, control the air quantity for blower fan, when room pressure is less than setup pressure value, increase the air quantity for blower fan so that room obtains specified malleation, otherwise, reduce wind supply quantity.
Described exhaust blower connects one or more exhaust outlet.
Described confession blower fan connects one or more air inlet.
Although the embodiment disclosed in this utility model is as above, but its content is only to facilitate the embodiment that understands the technical solution of the utility model and use, is not intended to limit this utility model.Technical staff in any this utility model art; on the premise of without departing from the core technology scheme disclosed in this utility model; any amendment and change can be made in the form implemented and details; but the protection domain that this utility model is limited, still must limit in the range of standard with appending claims.
Claims (5)
1. a boiler room frequency-conversion ventilating system, it is characterised in that including:
Temperature sensor and the first converter being sequentially connected, the first inverter motor, exhaust blower；Pressure transducer and the second converter being sequentially connected, the second inverter motor, confession blower fan；
Described temperature sensor and pressure transducer are arranged in boiler room, detect the temperature and pressure of described boiler room, the temperature signal of detection is transferred to the first converter by described temperature sensor, and described first converter controls described first inverter motor according to described temperature signal and increases the air quantity of described exhaust blower or the air quantity of exhaust blower is stated in reduction；
Described pressure transducer is by the pressure signal transmission of detection to the second converter, and described second converter controls the described second described air quantity for blower fan of inverter motor increase according to described pressure signal or the air quantity for blower fan is stated in reduction.
2. ventilating system as claimed in claim 1, it is characterised in that: described first converter includes the first comparing unit, the first converter unit:
Described temperature signal is compared by described first comparing unit with set temperature value, and when described temperature signal is more than described set temperature value, described first converter unit controls described first inverter motor and increases frequency；When described temperature signal is less than described set temperature value, described first converter unit controls described first inverter motor and reduces frequency；When described temperature signal is equal to described set temperature value, it is constant that described first converter unit controls described first inverter motor frequency.
3. ventilating system as claimed in claim 1, it is characterised in that: described second converter includes the second comparing unit, the second converter unit:
Described pressure signal is compared by described second comparing unit with setup pressure value, and when described pressure signal is less than described setup pressure value, described second converter unit controls described second inverter motor and increases frequency；When described pressure signal is more than described setup pressure value, described second converter unit controls described second inverter motor and reduces frequency；When described pressure signal is equal to described setup pressure value, it is constant that described second converter unit controls described second inverter motor frequency.
4. ventilating system as claimed in claim 1, it is characterised in that described exhaust blower connects one or more exhaust outlet.
5. ventilating system as claimed in claim 1, it is characterised in that described confession blower fan connects one or more air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062795.5U CN205425281U (en) | 2015-12-17 | 2015-12-17 | Fire room frequency conversion ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521062795.5U CN205425281U (en) | 2015-12-17 | 2015-12-17 | Fire room frequency conversion ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205425281U true CN205425281U (en) | 2016-08-03 |
Family
ID=56538485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521062795.5U Active CN205425281U (en) | 2015-12-17 | 2015-12-17 | Fire room frequency conversion ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205425281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108945380A (en) * | 2018-09-11 | 2018-12-07 | 上海和创船舶工程有限公司 | The automatic adjustment ventilating system and its ventilation parameters method of polar region ship machinery space |
-
2015
- 2015-12-17 CN CN201521062795.5U patent/CN205425281U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108945380A (en) * | 2018-09-11 | 2018-12-07 | 上海和创船舶工程有限公司 | The automatic adjustment ventilating system and its ventilation parameters method of polar region ship machinery space |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203215882U (en) | All-air energy-saving air conditioning system | |
| CN102269444A (en) | Energy control system and method of heat supply and cold water supply circulation | |
| CN205156138U (en) | Special air conditioner of computer lab with condensate recovery function | |
| CN205332392U (en) | Computer room air conditioner | |
| CN202521796U (en) | Total heat recovering unit with by-pass pipe | |
| CN208059193U (en) | A kind of defrosting control system of fresh air system | |
| CN103900189A (en) | Engine room refrigeration control method, device and system | |
| CN104748421B (en) | High-low temperature environment air-cooled chiller unit and control method thereof | |
| CN108488990A (en) | A kind of indoor environment regulating system | |
| CN201293423Y (en) | Highly effective energy-conserving control system of central air-conditioner | |
| CN209310193U (en) | Laboratory energy-saving ventilation system | |
| CN205425281U (en) | Fire room frequency conversion ventilation system | |
| CN206329496U (en) | The afterheat utilizing system of screw-rod air compressor | |
| CN202973431U (en) | Automatic monitoring system between internal unit and external unit of air conditioner for communication machine room | |
| CN205536657U (en) | Energy -conserving concurrent heating device of ground -source heat pump | |
| CN203024338U (en) | Energy-saving control device of central air conditioner and central air conditioner | |
| CN201476187U (en) | Dynamic energy saving system of central air-conditioning | |
| CN206609107U (en) | The energy-saving control apparatus of ventilation system of underground park | |
| CN205641393U (en) | Central air conditioning's refrigerated water frequency conversion control system | |
| CN209588270U (en) | Passive type super low energy consumption house fresh air system | |
| CN203147935U (en) | Fresh air handling unit for controlling enthalpy value | |
| CN206531174U (en) | Fresh air handling units exchange heat and winterization system | |
| CN206073374U (en) | LDAR efficiency Optimal Control Systems | |
| CN204254798U (en) | A kind of air conditioner heat reclaims hot water or cold water's flow equalization system | |
| CN204853954U (en) | Air source heat pump hot water machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: China Oilfield Services Limited Patentee after: China Offshore Oil Group Co., Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: China Oilfield Services Limited Patentee before: China National Offshore Oil Corporation |
|
| CP01 | Change in the name or title of a patent holder |