CN201805220U - Intelligent voltage-stabilizing power supply control device for atmosphere monitoring station - Google Patents
Intelligent voltage-stabilizing power supply control device for atmosphere monitoring station Download PDFInfo
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- CN201805220U CN201805220U CN2010202361904U CN201020236190U CN201805220U CN 201805220 U CN201805220 U CN 201805220U CN 2010202361904 U CN2010202361904 U CN 2010202361904U CN 201020236190 U CN201020236190 U CN 201020236190U CN 201805220 U CN201805220 U CN 201805220U
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Abstract
The utility model relates to an intelligent voltage-stabilizing power supply control device for an atmosphere monitoring station, which comprises two alternating current voltage-stabilizing power supplies for converting three-phase 380V alternating current into three paths of 220V alternating current, wherein two paths pass through a voltage-stabilizing power supply for voltage stabilization, and one path does not pass through the voltage-stabilizing power supply for voltage stabilization; and a PLC (programmable logic controller) is used for controlling the time delay starting time of A, B and C phase alternating current power supplies, thereby avoiding the damages caused by frequency interruption of power supply and controlling a fan to start and stop through a temperature controller in a cabinet. The intelligent voltage-stabilizing power supply control device has the advantages that the installation and the debugging are simple, the intelligent voltage-stabilizing power supply control device can be directly added into a power system without voltage stabilization, the intelligent power control on all paths in a laboratory can be realized, the range of applications is wide, the intelligent PLC has the logic control function, the control stability is high, the time regulation range is wide, the service life is long, and the intelligent voltage-stabilizing power supply control device is less prone to damages. A control loop adopts 24V DC (direct current) for power supply, thereby effectively preventing electric shock of a human body. The PLC is adopted as a main control unit, thereby reducing the wiring in the cabinet, and facilitating the maintenance of equipment in the future; and field collected signals can be conveniently accessed into the controller without damaging the original wiring structure.
Description
Technical field
The utility model belongs to the air monitoring station for distribution burning voltage device, particularly a kind of visual control voltage, adjustment power and the high Intellight voltage-stabilizing power supply control apparatus that is used for the air monitoring station of cost performance.
Background technology
Some data acquisition instruments that the air monitoring station uses all be precision than higher instrument, therefore, require supply power voltage accurately and to stablize.But because the general unattended operation in air monitoring station, and build the open air of awful weather in, have in addition build the field in.Supply power voltage does not reach rated value at all or is higher than rated value far away, the accident that instrument can't use or overvoltage is burnt often occurs.In addition, out of doors may be because of short duration power failure can appear in certain natural cause, interior instrument of short time powers on repeatedly and cuts off the power supply to some instrument is unallowed; Stabilized voltage power supply is components and parts in a kind of protection electric power system; prevent the common equipment that overvoltage damages; it is to convert the alternating current of importing to direct voltage by rectifier filter; by the filter rectification device direct voltage is converted to the alternating voltage of required voltage again; but independently use stabilized voltage power supply can only solve the situation of voltage instability, can not prevent the infringement of frequent outage instrument.
Summary of the invention
The utility model for solve the technical problem that exists in the known technology provide a kind of not only can stable power-supplying voltage but also can reduce the high Intellight voltage-stabilizing power supply control apparatus that is used for the air monitoring station of cost performance that frequent outage brings instrument damage.
The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is: it comprises stabilized voltage power supply, voltmeter, ammeter and switch, it is characterized in that: 1.. stabilized voltage power supply: control cabinet internal fixation has two alternating current steady voltage plugs, 3 phase 380V mains supplies are converted to A, B, C three road 220V AC power, wherein two-way is through the stabilized voltage power supply voltage stabilizing, and another road is without voltage stabilizing; 2.. temperature controller is installed on the control cubicle door, is connected with PLC controller 3 by lead; 3. smoke alarm unit: smoke alarm unit is placed on the ceiling of control cabinet top, and the alarm signal of smoke alarm unit is linked into PLC input signal end in the cabinet; 4.. voltmeter and ammeter: A, B, C road voltmeter and A, B, C road ammeter are installed on the control cubicle door, are connected with binding post by lead; 5. .PLC controller: use a PLC controller that frequent outage is had adaptive ability, it is fixed in the control cabinet, the PLC controller is connected with auxiliary relay, contactor and stabilized voltage power supply, control the time-delay power supply of each phase power supply by the adhesive of timer internal control contactor, output end of stabilized voltage supply is connected with field apparatus, and the PLC controller also is connected with extendible other transducers with temperature controller; 6.. switch: comprise automatic switch/hand switch, start button and shutdown button, they all are fixed on the control cubicle door.
Advantage and the good effect that the utlity model has are: Installation and Debugging are simple and convenient, can directly add in the electric power system of any one no voltage stabilizing, realized intellectuality to each the road electric power control of inside, laboratory, applied range, the PLC controller has the logic control function, and stability is high, and the time adjustable range is wide, life-span is long, and is not fragile; Control loop all adopts the 24VDC power supply, can prevent effectively that the person from getting an electric shock.Adopt the PLC controller to reduce the wiring in the cabinet as main control unit, the maintenance of equipment after being beneficial to, the collection in worksite signal can be linked in the controller easily, need not to change original wire structures.
Description of drawings
Fig. 1 is a control cubicle card instrument mounting arrangements schematic diagram; Fig. 2 is a schematic layout pattern in the control cubicle; Fig. 3 is a principle schematic.
Among Fig. 1-Fig. 3: 1. stabilized voltage power supply, 2. temperature controller, 3.PLC controller; 4. smoke alarm, 5.A, B, C road voltmeter, 6.A, B, C road ammeter; 7. binding post, 8. auxiliary relay, 9. contactor; 10. field apparatus, 11. extendible other transducers, 12. manual selector switches; 13. start button; 14. the shutdown button, 15. blower fans, 16. surge protectors.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows, see also Fig. 1-Fig. 3.
As shown in Figure 1-Figure 3: native system is to utilize PLC controller 3 to come the adhesive of control contactor 9 to reach the device of each phase power supply power supply of control; Use two stabilized voltage power supplys 1 to stablize A, B quarter-phase circuit voltage, the big electric current that uses surge protector 16 to prevent that effectively thunderstorm hour from producing in cabinet damages electric elements; Utilize the break-make of the timing controlled auxiliary relay 8 of PLC controller 3 inside, thereby make contactor 9 adhesives or disconnection, the power supply of satisfying A, B two-phase power supply reaches the purpose of the power-on time of time-delay control A, B two-phase power supply, serviceability temperature controller 2 and smoke alarm 4 are reported to the police, and interrupt the output of three phase mains.
PLC controller 3 is cores of native system, finishes reliably when unattended operation, to the simple control of power supply power supply, effectively protects regularly load-carrying safety of voltage instability, in time stops output at high temperature with when smog is arranged, and restores electricity after judging safely automatically.
1.. stabilized voltage power supply: be provided with two alternating current steady voltage plugs 1 in the control cubicle, the 3 phase 380V power source conversion that civil power is imported are A, B, C three road 220V AC power, and wherein two-way is through the stabilized voltage power supply voltage stabilizing, and another road is without voltage stabilizing.
Input power supply: 380V/50HZ, three-phase five-wire mode; Out-put supply: A road: 220V/50HZ, 5KVA, the precision of voltage regulation ± 1% (input voltage 160V-250V is adjustable), this road power supply is for uses such as instrument and meter, computer and MODEM.
B road: 220V/50HZ, 5KVA, the precision of voltage regulation ± 1% (input voltage 160V-250V is adjustable), this road power supply uses for equipment such as sampling pumps.
C road: 220V/50HZ, 5KVA, not voltage stabilizing, this road power supply uses for air-conditioning, illumination and maintenance power consumption equipment.
Work characteristics according to each equipment of standing automatically, A, B, C three road 220V/50HZ single phase poaer supplies can be provided respectively in chronological order, one of them is not delayed time, the stand-by power supply of not voltage stabilizing, two power supplys that can adjust turn-on time and process voltage stabilizing respectively in the 0-10min scope, the equipment such as instrument, computer and pump that offer use respectively.
2.. temperature controller 2 is installed on the cabinet door; temperature controller 2 can be measured the control in-cabinet temperature; but by the temperature-detecting device auto switching electric source; when temperature is higher than the temperature of setting; can open ventilation blower 15 automatically through PLC controller 3,, cut off each road this equipment of power protection in case of necessity to reduce in-cabinet temperature; after treating that temperature drops to default safe temperature, starting shooting then automatically again, control cubicle restarts work.
3. smoke alarm: smoke alarm 4 is placed in the top of control cabinet, and the alarm signal of smoke alarm 4 is linked into the input signal end of the PLC controller 3 in the cabinet, controls automatically by PLC controller 3 and cuts off the electricity supply.
4.. voltmeter and ammeter: A, B, C road voltmeter 5 and A, B, C road ammeter 6 are installed on the control cubicle door, are connected with binding post, can intuitively show the voltage and current on current A, B, C road by lead; 5. .PLC controller: use a PLC controller 3 that frequent outage is had adaptive ability, PLC controller 3 is connected with stabilized voltage power supply 1 by auxiliary relay 8, contactor 9, each phase power supply power supply is controlled in the adhesive of PLC controller 3 control contactors 9, stabilized voltage power supply 1 is connected with 10 outputs of individual event stabilized voltage power supply, PLC controller 3 is connected with standby with extendible other transducers 11 with temperature controller 2 again, and PLC controller 3 can be controlled the startup delay time of A, B, each road power supply of C by update routine; The start-up time delay of A, B, each road power supply of C can have nothing in common with each other according to need of work, and PLC controller 3 is reliable industrial products, and frequent outage is had adaptive ability, so needn't worry PLC is damaged to some extent.
6.. switch: the start button 13 and the red shutdown button 14 that comprise automatic switch/hand switch 12, green band lamp, they all are fixed on the cabinet door, lead by separately is connected with PLC controller etc., automatic switch/hand switch 12, be divided into manual and automatic two kinds of patterns, manual mode can freely be controlled the startup of A, B, each road power supply of C and stop, and when automatic mode can be realized unattended operation, judges the startup of each road power supply fully automatically and stops.Power supply and control loop 17 are 24VDC, and the shift knob on the Gu Guimen all adopts the 24VDC power supply, and indicator light, instrument, temperature controller 2 employing 220V power supplies have to be prevented referring to touch annex, can effectively prevent person electric shock.
During use: 1. hand switch machine automatic switch/hand switch 12 change over switches on the cabinet door forward " manually " position to, press green start button 13 again, this moment C road power connection, C road voltmeter demonstrates the single-phase voltage value on current electrical network C road, and C road ammeter demonstrates the current value of current C road power consumption equipment; After the C road starts, B road power connection after 2 minutes, this moment, B road voltmeter demonstrated the single-phase voltage value of current electrical network B road through voltage stabilizing, and B road ammeter demonstrates the current values of current B road power consumption equipment; A road power connection after the C road starts 3 minutes, A road voltmeter demonstrates the single-phase voltage value of current electrical network A through voltage stabilizing, and A road ammeter demonstrates the current value of current A road power consumption equipment, and after the A road started, regulated power supply system was considered as manually starting shooting finishing; Press red shutdown button 14, control cubicle shuts down at once, does not have power supply output.But the power supply of control loop is not disconnected, and automatic control equipment also is in normally in service.
2. automatic switching automatic switch/hand switch 12 on the cabinet door forwards " automatically " position to, but the control cubicle Auto Power On is finished the power supply of circuit.Boot sequence is identical during with manual start.If press red shutdown button 14, control cubicle shuts down immediately, at this moment, and non-transformer output.If press green start button 13 again, stabilized voltage power supply 1 system starts once more.
After manually start finishes selector switch is pushed automatically, system enters the auto state operation; If manually start does not finish just selector switch to be pushed automatically, system can restart C, B, each phase power supply of A; If at auto state selector switch is pushed manually, then system cuts off the power supply automatically, enters manual state, and wait start button is pressed the back starting up.
Automatic and hand switch machine situation is all carried out state and is kept after power down.
3. must shutdown system if will open the cabinet door---press the shutdown button on the lower cabinet door, and check whether start button 13 lamps extinguish, and whether A, B, C voltage in three phases table 5 and ammeter 6 readings are zero, open the cabinet door and have Danger Electric shock risk as if being discontented with the condition of being enough to.Open cabinet and at first should press shutdown button 14 behind the door and make outage in the cabinet, can operate.
Its advantage is: Installation and Debugging are simple, can directly add in the electric power system of no voltage stabilizing, realized the intellectuality to each the road electric power control of inside, laboratory, applied range, intelligent PLC has the logic control function, and the stability of control is high, the time adjustable range is wide, and the life-span is long, and is not fragile.Control loop all adopts the 24VDC power supply, can prevent effectively that the person from getting an electric shock.Adopt PLC to reduce the wiring in the cabinet as main control unit, the maintenance of equipment after being beneficial to, the collection in worksite signal can be linked in the controller easily, does not destroy original wire structures.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection range of the utility model claims.
Claims (1)
1. Intellight voltage-stabilizing power supply control apparatus that is used for the air monitoring station, it comprises control cabinet, cabinet door, stabilized voltage power supply, voltmeter, ammeter and switch, it is characterized in that:
1.. stabilized voltage power supply: control cabinet internal fixation has two alternating current steady voltage plugs (1), and 3 phase 380V mains supplies are converted to A, B, C three road 220V AC power, and wherein two-way is through stabilized voltage power supply (1) voltage stabilizing, and another road is without voltage stabilizing;
2.. temperature controller (2) is installed on the control cubicle door, is connected with PLC controller (3) by lead;
3. smoke alarm unit (4): smoke alarm unit is placed on the ceiling of control cabinet top, and the alarm signal of smoke alarm unit (4) is linked into PLC input signal end in the cabinet;
4.. voltmeter and ammeter: A, B, C road voltmeter (5) and A, B, C road ammeter (6) are installed on the control cubicle door, are connected with binding post 7 by lead;
5. .PLC controller: use a PLC controller (3) that frequent outage is had adaptive ability, it is fixed in the control cabinet, PLC controller (3) is connected with stabilized voltage power supply (1) with contactor (9) by auxiliary relay (8), PLC controller (3) is controlled the power supply of each phase power supply by the adhesive of its timer internal auxiliary relay (8) and then control contactor (9), stabilized voltage power supply (1) is connected with field apparatus (10), and PLC controller (3) also is connected with extendible other transducers (11) with temperature controller (2);
6.. switch: comprise automatic switch/hand switch (12), start button (13) and shutdown button (14), they all are fixed on the control cubicle door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202361904U CN201805220U (en) | 2010-06-24 | 2010-06-24 | Intelligent voltage-stabilizing power supply control device for atmosphere monitoring station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202361904U CN201805220U (en) | 2010-06-24 | 2010-06-24 | Intelligent voltage-stabilizing power supply control device for atmosphere monitoring station |
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| Publication Number | Publication Date |
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| CN201805220U true CN201805220U (en) | 2011-04-20 |
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| CN2010202361904U Expired - Fee Related CN201805220U (en) | 2010-06-24 | 2010-06-24 | Intelligent voltage-stabilizing power supply control device for atmosphere monitoring station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358700A (en) * | 2014-11-27 | 2015-02-18 | 滨州学院 | Fan control circuit with functions of controlling temperature and preventing touch and electric leakage |
| CN106018725A (en) * | 2016-07-06 | 2016-10-12 | 江苏中农物联网科技有限公司 | Aquaculture water quality monitoring device comprising voltage-stabilized source |
-
2010
- 2010-06-24 CN CN2010202361904U patent/CN201805220U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358700A (en) * | 2014-11-27 | 2015-02-18 | 滨州学院 | Fan control circuit with functions of controlling temperature and preventing touch and electric leakage |
| CN106018725A (en) * | 2016-07-06 | 2016-10-12 | 江苏中农物联网科技有限公司 | Aquaculture water quality monitoring device comprising voltage-stabilized source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20150624 |
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| EXPY | Termination of patent right or utility model |