CN204478384U - The distributed cooling blower controller of central air conditioning - Google Patents
The distributed cooling blower controller of central air conditioning Download PDFInfo
- Publication number
- CN204478384U CN204478384U CN201420830777.6U CN201420830777U CN204478384U CN 204478384 U CN204478384 U CN 204478384U CN 201420830777 U CN201420830777 U CN 201420830777U CN 204478384 U CN204478384 U CN 204478384U
- Authority
- CN
- China
- Prior art keywords
- chip
- connects
- resistance
- diode
- pin
- 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
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000004378 air conditioning Methods 0.000 title claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009711 regulatory function Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Control Of Electric Motors In General (AREA)
Abstract
The distributed cooling blower controller of central air conditioning of the present utility model, comprise power circuit, single-chip microcomputer, power circuit supply 5V voltage, single-chip microcomputer is chip STM8S208MB, technological parameter acquisition module and isolated can circuit are electrically connected on single-chip microcomputer, ambient parameter acquisition module is connected on single-chip microcomputer by 485 circuit, described blower fan protection circuit by TTL data-signal and single-chip microcomputer mutual, described electric quantity acquisition module is connected with single-chip microcomputer volume by spi bus, described output module comprises D/A chip and V/I change-over circuit, the input of described D/A chip connects single-chip microcomputer, the output of described D/A chip connects V/I change-over circuit input.This utility model cost is low, not only according to technological parameter and ambient parameter adjustment rotation speed of fan, and can detect the operational situation of blower fan in real time, protect fan safe, works reliably.
Description
Technical field
The utility model relates to central air-conditioning control field, specifically the distributed cooling blower controller of a kind of central air conditioning.
Background technology
In central air-conditioning water-cooled unit, recirculated cooling water is used to be one of the most frequently used method.In order to make warmed-up water cooling down again in unit, again recycling, often using cooling tower.The features such as blower fan is the critical component of mechanical-draft cooling tower, usually all adopts outdoor vertical Special motor for cooling tower, has efficiency high, power consumptive province, and water resistance is good.Water is when cooling tower drips, and cooling blower makes it to contact more fully with air, transfers heat to surrounding air, water temperature is lowered.Place capacity due to cooling tower is according to selected under the condition of maximum heat load in summer, namely consider extreme conditions, but in physical device runs, it is often be in run compared with when low thermal load that the factors such as equivalent heat load due to season, weather, workload all determines unit equipment, the power consumption waste causing cooling tower unnecessary.Meanwhile, because blower fan is in operating condition for a long time, therefore need Real-Time Monitoring fan condition, improve blower fan maintainability and stability.
Utility model content
The utility model provides the distributed cooling blower controller of a kind of central air conditioning, not only according to technological parameter and ambient parameter adjustment rotation speed of fan, and can detect the operational situation of blower fan in real time, protect fan safe, works reliably.
The utility model is by the following technical solutions: the distributed cooling blower controller of central air conditioning, comprise power circuit, single-chip microcomputer, technological parameter acquisition module, ambient parameter acquisition module, isolated can circuit, blower fan protection circuit, electric quantity acquisition circuit and output module, described power circuit supply 5V voltage, described single-chip microcomputer is chip STM8S208MB, described technological parameter acquisition module and isolated can circuit are electrically connected on single-chip microcomputer, described ambient parameter acquisition module is connected on single-chip microcomputer by 485 circuit, described blower fan protection circuit by TTL data-signal and single-chip microcomputer mutual, described electric quantity acquisition module is connected with single-chip microcomputer volume by spi bus, described output module comprises D/A chip and V/I change-over circuit, the input of described D/A chip connects single-chip microcomputer, the output of described D/A chip connects V/I change-over circuit input.
Preferably, described electric quantity acquisition module utilizes chip ATT7022 as acquisition chip.
Preferably, described D/A chip is TLV5616.
Further, described blower fan protection circuit comprises chip NE556, first pin of chip NE556 connects chip NE556 second pin and the 6th pin by resistance R5, 6th pin of chip NE556 is by electric capacity C2 ground connection, chip NE556 the 3rd pin connects Zener diode D2 negative pole, Zener diode D2 plus earth, chip NE556 first pin connects the mobile terminal of slide rheostat R2 by resistance R4, a stiff end of slide rheostat R2 is by resistance R3 ground connection, another stiff end contact resistance R1 one end of slide rheostat R2, the resistance R1 other end connects diode D1 negative pole and electric capacity C1 one end respectively, electric capacity C1 other end ground connection, diode D1 positive pole connects an output of current transformer, another output head grounding of current transformer, 4th pin of chip NE556, tenth pin is all connected 12V voltage with the 14 pin, 12V voltage is by electric capacity C7 ground connection, resistance R16 mono-termination 12V voltage, the positive pole of resistance R16 other end sending and receiving optical diode LED2, the negative pole of Light-Emitting Diode LED2 connects one end of chip NE556 the 5th pin and slide rheostat R12 respectively, slide rheostat R12 other end connecting resistance R11 one end, another terminating diode of resistance R11 D8 negative pole, diode D8 positive pole connects Zener diode D7 negative pole respectively, chip NE556 the 8th pin, chip NE556 the 12 pin, Zener diode D7 plus earth, diode D3 positive pole connects an output of voltage transformer pt 1, diode D3 negative pole connects electric capacity C3 one end and resistance R6 one end respectively, the electric capacity C3 other end connects another output of voltage transformer pt 1 and triode Q1 emitter stage respectively, another termination triode of resistance R6 Q1 base stage, triode Q1 colelctor electrode connects 12V voltage, triode Q1 emitter stage connects triode Q2 colelctor electrode, triode Q2 base stage connecting resistance R7 one end, the resistance R7 other end connects electric capacity C4 one end and diode D4 negative pole respectively, diode D4 positive pole connects voltage transformer pt 2 one outputs, the electric capacity C4 other end connects another output of voltage transformer pt 2 and triode Q2 emitter stage respectively, triode Q2 emitter stage connects triode Q3 colelctor electrode, triode Q3 base stage connecting resistance R8 one end, another terminating diode of resistance R8 D5 negative pole, diode D5 positive pole connects voltage transformer pt 3 one outputs, electric capacity C5 mono-terminating diode D5 negative pole, the electric capacity C5 other end connects another output of voltage transformer RT3 and triode Q3 emitter stage respectively, triode Q3 emitter stage is by resistance R10 ground connection, triode Q3 emitter stage is contact resistance R9 one end and diode D6 negative pole respectively, the resistance R9 other end connects Light-Emitting Diode LED1 negative pole, Light-Emitting Diode LED1 positive pole connects 12V voltage, diode D6 positive pole connects electric capacity C6 one end and chip NE556 the 8th pin respectively, another termination 12V voltage of electric capacity C6, diode D6 puts into negative pole and connects single-chip microcomputer by resistance R13, 5th pin of chip NE556 connects single-chip microcomputer by resistance R15, chip NE556 the 9th pin connects single-chip microcomputer by resistance R14.
The beneficial effects of the utility model are:
1, devise technological parameter acquisition module and environment acquisition module, the rotating speed according to technological requirement and the controlled cooling model such as ambient parameter, historical data blower fan adjusts in real time, can save energy and is about 30%, have significant energy-saving benefit.
2, electric quantity acquisition circuit adopts professional chip ATT7022 to gather, and can gather multi-channel electrical parameter simultaneously.
3, blower fan protection circuit mainly checks the overcurrent of blower fan; open-phase protection; realize blower fan defencive function; because blower fan is in operation process; comparatively large by ectocine, devise guard time regulatory function, delay protection can be carried out according to the applicable cases at scene; the on-the-spot each project of power of fan is not quite similar, and devises protection limitation function.Can be connected with single-chip microcomputer simultaneously, realize remote monitoring, advantage, adopt and reasonably design, defencive function is complete, antijamming capability is higher.Peripheral components is less, realizes cost simple, possesses situ configuration regulatory function.
Accompanying drawing explanation
Fig. 1 is theory structure block diagram of the present utility model;
Fig. 2 is the schematic diagram of the utility model blower fan protection circuit.
Detailed description of the invention
The distributed cooling blower controller of central air conditioning as shown in Figure 1, comprises power circuit, single-chip microcomputer, technological parameter acquisition module, ambient parameter acquisition module, isolated can circuit, blower fan protection circuit, electric quantity acquisition circuit and output module.
Described power circuit is controller supply 5V voltage, described single-chip microcomputer is chip STM8S208MB, described technological parameter acquisition module and isolated can circuit are electrically connected on single-chip microcomputer, described ambient parameter acquisition module is connected on single-chip microcomputer by 485 circuit, described blower fan protection circuit by TTL data-signal and single-chip microcomputer mutual, described electric quantity acquisition module is connected with single-chip microcomputer volume by spi bus, described output module comprises D/A chip and V/I change-over circuit, the input of described D/A chip connects single-chip microcomputer, the output of described D/A chip connects V/I change-over circuit input.Wherein, described electric quantity acquisition module utilizes chip ATT7022 as acquisition chip, and described D/A chip is TLV5616.
During use, isolated can circuit is connected with core controller, realize with the director data of core controller mutual, the DataBase combining of the data such as technological parameter acquisition module and recording process requirement, obtain technological parameter data, ambient parameter acquisition module connects the sensor such as pressure, humiture being arranged in the external world, obtain the parameter of external environment, these parameters all can pass to core controller and carry out analyzing, processing, and then the instruction that core controller feeds back is sent to blower fan by output module by single-chip microcomputer.
In above process, electric quantity acquisition circuit major function for realization to the blower fan of cooling tower that controller controls with adding up and the monitoring of electrical quantity.This main circuit will adopt professional chip ATT7022 to gather, and the electrical quantity of collection is more, and outer net devises accurate voltage collection circuit, realizes precise acquisition and statistics.Devise transformer in current collection circuit, achieve isolation, effectively avoid interference.Collection terminal devises clamp circuit, effectively avoids high pressure crushing bad acquisition chip.
As shown in Figure 2, described blower fan protection circuit comprises chip NE556, first pin of chip NE556 connects chip NE556 second pin and the 6th pin by resistance R5, 6th pin of chip NE556 is by electric capacity C2 ground connection, chip NE556 the 3rd pin connects Zener diode D2 negative pole, Zener diode D2 plus earth, chip NE556 first pin connects the mobile terminal of slide rheostat R2 by resistance R4, a stiff end of slide rheostat R2 is by resistance R3 ground connection, another stiff end contact resistance R1 one end of slide rheostat R2, the resistance R1 other end connects diode D1 negative pole and electric capacity C1 one end respectively, electric capacity C1 other end ground connection, diode D1 positive pole connects an output of current transformer, another output head grounding of current transformer, 4th pin of chip NE556, tenth pin is all connected 12V voltage with the 14 pin, 12V voltage is by electric capacity C7 ground connection, resistance R16 mono-termination 12V voltage, the positive pole of resistance R16 other end sending and receiving optical diode LED2, the negative pole of Light-Emitting Diode LED2 connects one end of chip NE556 the 5th pin and slide rheostat R12 respectively, slide rheostat R12 other end connecting resistance R11 one end, another terminating diode of resistance R11 D8 negative pole, diode D8 positive pole connects Zener diode D7 negative pole respectively, chip NE556 the 8th pin, chip NE556 the 12 pin, Zener diode D7 plus earth, diode D3 positive pole connects an output of voltage transformer pt 1, diode D3 negative pole connects electric capacity C3 one end and resistance R6 one end respectively, the electric capacity C3 other end connects another output of voltage transformer pt 1 and triode Q1 emitter stage respectively, another termination triode of resistance R6 Q1 base stage, triode Q1 colelctor electrode connects 12V voltage, triode Q1 emitter stage connects triode Q2 colelctor electrode, triode Q2 base stage connecting resistance R7 one end, the resistance R7 other end connects electric capacity C4 one end and diode D4 negative pole respectively, diode D4 positive pole connects voltage transformer pt 2 one outputs, the electric capacity C4 other end connects another output of voltage transformer pt 2 and triode Q2 emitter stage respectively, triode Q2 emitter stage connects triode Q3 colelctor electrode, triode Q3 base stage connecting resistance R8 one end, another terminating diode of resistance R8 D5 negative pole, diode D5 positive pole connects voltage transformer pt 3 one outputs, electric capacity C5 mono-terminating diode D5 negative pole, the electric capacity C5 other end connects another output of voltage transformer RT3 and triode Q3 emitter stage respectively, triode Q3 emitter stage is by resistance R10 ground connection, triode Q3 emitter stage is contact resistance R9 one end and diode D6 negative pole respectively, the resistance R9 other end connects Light-Emitting Diode LED1 negative pole, Light-Emitting Diode LED1 positive pole connects 12V voltage, diode D6 positive pole connects electric capacity C6 one end and chip NE556 the 8th pin respectively, another termination 12V voltage of electric capacity C6, diode D6 puts into negative pole and connects single-chip microcomputer by resistance R13, 5th pin of chip NE556 connects single-chip microcomputer by resistance R15, chip NE556 the 9th pin connects single-chip microcomputer by resistance R14.
Blower fan protection circuit mainly completes to be protected blower fan of cooling tower; the overcurrent of main inspection blower fan; open-phase protection; realize blower fan defencive function, because blower fan is in operation process, larger by ectocine; devise guard time regulatory function; can carry out delay protection according to the applicable cases at scene, the on-the-spot each project of power of fan is not quite similar, and devises protection limitation function.Can be connected with single-chip microcomputer simultaneously, realize remote monitoring, advantage, adopt and reasonably design, defencive function is complete, antijamming capability is higher.Peripheral components is less, realizes cost simple, possesses situ configuration regulatory function.
Except structure described in the utility model, all the other are prior art.
The above is preferred embodiment of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications are also regarded as protection domain of the present utility model.
Claims (4)
1. the distributed cooling blower controller of central air conditioning, it is characterized in that, comprise power circuit, single-chip microcomputer, technological parameter acquisition module, ambient parameter acquisition module, isolated can circuit, blower fan protection circuit, electric quantity acquisition circuit and output module, described power circuit supply 5V voltage, described single-chip microcomputer is chip STM8S208MB, described technological parameter acquisition module and isolated can circuit are electrically connected on single-chip microcomputer, described ambient parameter acquisition module is connected on single-chip microcomputer by 485 circuit, described blower fan protection circuit by TTL data-signal and single-chip microcomputer mutual, described electric quantity acquisition module is connected with single-chip microcomputer volume by spi bus, described output module comprises D/A chip and V/I change-over circuit, the input of described D/A chip connects single-chip microcomputer, the output of described D/A chip connects V/I change-over circuit input.
2. the distributed cooling blower controller of central air conditioning according to claim 1, is characterized in that, described electric quantity acquisition module utilizes chip ATT7022 as acquisition chip.
3. the distributed cooling blower controller of central air conditioning according to claim 1, is characterized in that, described D/A chip is TLV5616.
4. the distributed cooling blower controller of the central air conditioning according to claim 1-3 any one, it is characterized in that, described blower fan protection circuit comprises chip NE556, first pin of chip NE556 connects chip NE556 second pin and the 6th pin by resistance R5, 6th pin of chip NE556 is by electric capacity C2 ground connection, chip NE556 the 3rd pin connects Zener diode D2 negative pole, Zener diode D2 plus earth, chip NE556 first pin connects the mobile terminal of slide rheostat R2 by resistance R4, a stiff end of slide rheostat R2 is by resistance R3 ground connection, another stiff end contact resistance R1 one end of slide rheostat R2, the resistance R1 other end connects diode D1 negative pole and electric capacity C1 one end respectively, electric capacity C1 other end ground connection, diode D1 positive pole connects an output of current transformer, another output head grounding of current transformer, 4th pin of chip NE556, tenth pin is all connected 12V voltage with the 14 pin, 12V voltage is by electric capacity C7 ground connection, resistance R16 mono-termination 12V voltage, the positive pole of resistance R16 other end sending and receiving optical diode LED2, the negative pole of Light-Emitting Diode LED2 connects one end of chip NE556 the 5th pin and slide rheostat R12 respectively, slide rheostat R12 other end connecting resistance R11 one end, another terminating diode of resistance R11 D8 negative pole, diode D8 positive pole connects Zener diode D7 negative pole respectively, chip NE556 the 8th pin, chip NE556 the 12 pin, Zener diode D7 plus earth, diode D3 positive pole connects an output of voltage transformer pt 1, diode D3 negative pole connects electric capacity C3 one end and resistance R6 one end respectively, the electric capacity C3 other end connects another output of voltage transformer pt 1 and triode Q1 emitter stage respectively, another termination triode of resistance R6 Q1 base stage, triode Q1 colelctor electrode connects 12V voltage, triode Q1 emitter stage connects triode Q2 colelctor electrode, triode Q2 base stage connecting resistance R7 one end, the resistance R7 other end connects electric capacity C4 one end and diode D4 negative pole respectively, diode D4 positive pole connects voltage transformer pt 2 one outputs, the electric capacity C4 other end connects another output of voltage transformer pt 2 and triode Q2 emitter stage respectively, triode Q2 emitter stage connects triode Q3 colelctor electrode, triode Q3 base stage connecting resistance R8 one end, another terminating diode of resistance R8 D5 negative pole, diode D5 positive pole connects voltage transformer pt 3 one outputs, electric capacity C5 mono-terminating diode D5 negative pole, the electric capacity C5 other end connects another output of voltage transformer RT3 and triode Q3 emitter stage respectively, triode Q3 emitter stage is by resistance R10 ground connection, triode Q3 emitter stage is contact resistance R9 one end and diode D6 negative pole respectively, the resistance R9 other end connects Light-Emitting Diode LED1 negative pole, Light-Emitting Diode LED1 positive pole connects 12V voltage, diode D6 positive pole connects electric capacity C6 one end and chip NE556 the 8th pin respectively, another termination 12V voltage of electric capacity C6, diode D6 puts into negative pole and connects single-chip microcomputer by resistance R13, 5th pin of chip NE556 connects single-chip microcomputer by resistance R15, chip NE556 the 9th pin connects single-chip microcomputer by resistance R14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830777.6U CN204478384U (en) | 2014-12-25 | 2014-12-25 | The distributed cooling blower controller of central air conditioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420830777.6U CN204478384U (en) | 2014-12-25 | 2014-12-25 | The distributed cooling blower controller of central air conditioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204478384U true CN204478384U (en) | 2015-07-15 |
Family
ID=53634172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420830777.6U Expired - Fee Related CN204478384U (en) | 2014-12-25 | 2014-12-25 | The distributed cooling blower controller of central air conditioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204478384U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456855A (en) * | 2014-12-25 | 2015-03-25 | 李钢 | Concentrated air conditioner distribution type cooling draught fan controller |
-
2014
- 2014-12-25 CN CN201420830777.6U patent/CN204478384U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456855A (en) * | 2014-12-25 | 2015-03-25 | 李钢 | Concentrated air conditioner distribution type cooling draught fan controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205335811U (en) | Pernicious load recognition device | |
| CN206524629U (en) | A kind of low-voltage distribution control system | |
| CN204390021U (en) | Office's comprehensive intelligent control system | |
| CN202404468U (en) | Drying and dehydrating humiture self-control instrument | |
| CN203377513U (en) | Frequency conversion control cabinet automatically adjusting temperature | |
| CN204478384U (en) | The distributed cooling blower controller of central air conditioning | |
| CN105320171A (en) | Intelligent energy-saving temperature control system of power distribution cabinet | |
| CN204732855U (en) | A kind of motor over-temperature controller | |
| CN104406273A (en) | Protective circuit of central air-conditioning cooling fan | |
| CN102055236A (en) | Intelligent power supply management system and method | |
| CN204478385U (en) | Central air-conditioning cooling blower protection circuit | |
| CN104456855A (en) | Concentrated air conditioner distribution type cooling draught fan controller | |
| CN202931628U (en) | Solar LED wireless control constant current integral controller | |
| CN204716583U (en) | A kind of ac fan alignment circuit | |
| CN204315955U (en) | A kind of anti-condensation oil pumper frequency-conversion control cabinet | |
| CN204304270U (en) | A kind of middle Intelligent high voltage switch cabinet based on Bus Remote control technology | |
| CN208506697U (en) | A kind of cold reset circuit of controllable time delay | |
| CN206432768U (en) | A kind of remarkable wind/light complementation controller | |
| CN202348735U (en) | Radiating control circuit of battery charger | |
| CN203532289U (en) | Intelligent temperature controller circuit for computer case | |
| CN206575190U (en) | A kind of charger automatically powered off | |
| CN201903131U (en) | Energy-saving multifunctional protector for air conditioner in machine room | |
| CN104807150B (en) | Air conditioning control device for power grid dispatching machine room | |
| CN219420043U (en) | Top ventilation and cooling device for power cabinet | |
| CN105429024A (en) | Power distribution box cooling protection apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170307 Address after: 250021 Ji'nan, Central District, Shandong City Road, the southern part of the shop No. 18 Patentee after: Shandong Jinzhou Kerui Energy Technology Co. Ltd. Address before: 250024 Ji'nan City, Central District, Shandong sunshine new road, No. 69 Patentee before: Li Gang |
|
| 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: 20150715 Termination date: 20171225 |