CN106936363A - A kind of efficiency control device and energy efficiency controlling method - Google Patents
A kind of efficiency control device and energy efficiency controlling method Download PDFInfo
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- CN106936363A CN106936363A CN201710206912.8A CN201710206912A CN106936363A CN 106936363 A CN106936363 A CN 106936363A CN 201710206912 A CN201710206912 A CN 201710206912A CN 106936363 A CN106936363 A CN 106936363A
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005265 energy consumption Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 230000005611 electricity Effects 0.000 claims description 11
- 230000005662 electromechanics Effects 0.000 claims description 9
- 230000007257 malfunction Effects 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 2
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
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Abstract
The invention discloses a kind of efficiency control device and energy efficiency controlling method, it is connected with electromechanical equipment, to control the energy consumption of the electromechanical equipment, including controller, power system, first contactor, second contactor and frequency converter；The controller is connected with the power system, the power system is connected by first contactor with the frequency converter, the power system is connected by second contactor with the electromechanical equipment, the frequency converter is also connected with the electromechanical equipment, and the frequency converter changes the frequency of the alternating current of the power system output and exports to the electromechanical equipment.The advantages of the present invention are：Ensure that electromechanical equipment is operated in normal load interval, and then ensure that the operation safety of electromechanical equipment, while improve the efficiency utilization rate of electromechanical equipment again, save the operating cost of electromechanical equipment.
Description
Technical field
The present invention relates to electro-mechanical arts, more particularly to a kind of efficiency control device and energy efficiency controlling method.
Background technology
For the operational energy efficiency of the most of electromechanical equipments in building, normally due to design selection is bigger than normal, motor is caused
Light condition is practically in, operating efficiency is very low, causes the significant wastage of the energy；And if when the electromechanical equipment in building needs length
During time running at full capacity, it is easy to cause the temperature of electromechanical equipment rapidly to raise, cause to damage；And due to existing electromechanics
The intelligence instrument of equipment electric cabinet, although running current, voltage, electrical energy parameter can be measured, but can not be to the operation of equipment
Efficiency is analyzed to be assessed and is accordingly controlled, therefore cannot ensure the electromechanical equipment fortune in normal load is interval for a long time
Turn.
The content of the invention
In order to solve the above problems, the present invention provides a kind of efficiency control device and energy efficiency controlling method.The technical program
Change the frequency of the alternating current that power system is exported to electromechanical equipment by using controller and frequency converter, and then realize to electric power
The efficiency control of system；
Controller is sampled by frequency converter to the curtage that electromechanical equipment is obtained, then by temperature sensor sense
Survey electromechanical equipment temperature, by combine electromechanical equipment curtage, and electromechanical equipment temperature, judge electromechanical equipment
State be light condition, normal condition or overload, and form judged result；Controller is according to judged result to electromechanics
Equipment is controlled, it is ensured that electromechanical equipment is operated in normal load interval, both ensure that the operation safety of electromechanical equipment, while
The efficiency utilization rate of electromechanical equipment is improve again, saves the operating cost of electromechanical equipment.
A kind of efficiency control device in the present invention, is connected with electromechanical equipment, to control the energy consumption of the electromechanical equipment, its
It is characterised by, including controller, power system, first contactor, second contactor and frequency converter；The controller and the electricity
Force system is connected, and the power system is connected by first contactor with the frequency converter, and the power system connects by second
Tentaculum is connected with the electromechanical equipment, and the frequency converter is also connected with the electromechanical equipment, and the frequency converter changes the electric power
The frequency of the alternating current of system output is simultaneously exported to the electromechanical equipment.
In such scheme, the frequency converter is also connected with the controller, for being set to the electromechanics to the frequency converter
The voltage or electric current of standby output are sampled, and export magnitude of voltage or electric current that the electromechanical equipment is obtained to the controller
Value；
The efficiency control device also include temperature sensor, the temperature sensor respectively with the electromechanical equipment and control
Device connection processed, the temperature for sensing the electromechanical equipment, and the temperature value of the electromechanical equipment is sent to the controller；
The controller controls the voltage of the electromechanical equipment according to the magnitude of voltage or current value, and the temperature value
Or the size of electric current, to the frequency converter output frequency value, the frequency converter changes output to the electromechanics according to the frequency values
The frequency of the alternating current of equipment.
In such scheme, the controller includes 1~79 pin, and 39 pin and 40 pin of the controller connect with frequency converter respectively
Connect, for exporting conversion frequencies to frequency converter, to adjust the frequency values of the frequency converter；59 pin and 60 pin of the controller with
Input equipment is connected, for controlling the frequency converter to start；63 pin and 64 pin of the controller are connected with frequency converter respectively, use
In the running status for monitoring the frequency converter；67 pin and 68 pin of the controller are connected with the frequency converter respectively, for sentencing
Whether the frequency converter that breaks overloads.
In such scheme, there is the frequency converter frequency conversion to feed back A0 pin, frequency conversion feedback COM pin, variable frequency adjustment A12 pin, change
Frequency modulation section COM pin, startup L1 pin, startup positive electricity presser feet, failure 1A pin, failure 1C pin, operation 2A pin and operation 2C pin；
The variable frequency adjustment A12 pin are connected with 40 pin of the controller, the variable frequency adjustment COM pin and the controller
39 pin connection, the controller by variable frequency adjustment A12 pin to the frequency converter output frequency value；The startup L1 pin and institute
The 59 pin connection of controller is stated, the startup positive electricity presser feet is connected with 60 pin of the controller；The failure 1A pin with it is described
The 67 pin connection of controller, the failure 1C pin are connected with 68 pin of the controller, and the frequency converter is by the electromechanical equipment
Magnitude of voltage or current value the controller is sent to by the failure 1A pin or failure 1C pin；The operation 2A pin with it is described
The 63 pin connection of controller, the operation 2C pin are connected with 64 pin of the controller.
In such scheme, the power system includes live wire and zero line, the 1 pin connection remote control system of the controller
System, the tele-control system is used to carry out the controller remote control, the 2 pin ground connection of the controller；The control
23 pin of device are connected with the live wire, and 24 pin of the controller are sequentially connected working station indicator ZD and the zero line, institute
25 pin for stating controller are connected with the live wire, and 26 pin of the controller are sequentially connected malfunction indicator lamp GD and the zero line；
27 pin and 28 pin of the controller are connected with output equipment respectively, 29 pin and 30 pin of the controller respectively with
Output equipment is connected；The L pin of the controller are connected with the live wire, and the live wire is by the L pin for the controller is carried
Power supply energy, the N pin of the controller are connected with the zero line, the G pin ground connection of the controller.
In such scheme, 43 pin and 44 pin of the controller are connected with input equipment respectively, and the input equipment passes through
To the controller input frequency signal, be sent to for the frequency values described by 40 pin of the controller for 43 pin and 44 pin
Frequency converter；
55 pin and 56 pin of the controller are connected with the temperature sensor respectively, and the temperature sensor passes through 55 pin
The temperature value of the electromechanical equipment is sent to the controller with 56 pin；
61 pin of the controller are connected with the live wire of the power system, and 62 pin of the controller connect with first successively
The hot-wire coil of tentaculum and the zero line of the power system are connected, 65 pin and 66 pin of the controller respectively with first contactor
Start button JC connection；
69 pin and 70 pin of the controller are connected with overload protective device BH respectively, the overload protective device BH also with it is described
Electromechanical equipment is connected；71 pin and 72 pin of the controller are connected with frequency conversion automatic switch ZK respectively, 73 pin of the controller
It is connected with frequency conversion hand switch SK respectively with 74 pin, 75 pin and 76 pin of the controller connect with equipment stop button TZ respectively
Connect, 77 pin and 78 pin of the controller are connected with equipment start button QD respectively.
In such scheme, 7 pin and 8 pin of the controller are opened button KA and are connected with butterfly valve respectively, and the 8 of the controller
Pin and 9 pin are connected with butterfly valve X button GA respectively；79 pin of the controller are connected with butterfly valve, for the defeated of the butterfly valve
Go out shutdown signal, 57 pin of the controller are connected with the butterfly valve, for exporting opening signal, the control to the butterfly valve
The 58 pin ground connection of device；
3 pin of the controller are connected with butterfly valve, to receive opening that the butterfly valve exports signal, the controller in place
4 pin ground connection, 5 pin of the controller be connecteds with the butterfly valve, described to receive the closing of butterfly valve output signal in place
The 6 pin ground connection of controller；32 pin of the controller are connected with butterfly valve indicator lamp DD.
A kind of energy efficiency controlling method, including determine frequency pattern and variable mode,
It is described to determine frequency pattern and comprise the following steps：
D1. close second contactor and disconnect first contactor, power system is directly provided alternating current to electromechanical equipment；
D2. the electromechanical equipment directly runs the alternating current provided by the power system；
The variable mode is comprised the following steps：
S1. second contactor is disconnected, operation frequency conversion hand switch SK or frequency conversion automatic switch ZK starts controller, operation the
The start button JC of one contactor makes controller be powered the hot-wire coil of first contactor, and then closes first contactor；
S2. controller obtains the temperature value of electromechanical equipment by the temperature sensor being connected with 55 pin and 56 pin；
S3. frequency converter is sampled to the voltage or electric current of the reception of electromechanical equipment, and the failure 1A pin for passing through frequency converter
Or the magnitude of voltage or current value of the electromechanical equipment are sent to the controller by failure 1C pin；
S4. controller calculates the current power of the electromechanical equipment by the magnitude of voltage or current value；
S5. the rated power of the electromechanical equipment is provided with the controller, the controller is according to the current work(
Rate and rated power calculate the load factor for obtaining the electromechanical equipment；
S6. normal load interval is set with the controller, the interval higher limit of the normal load or lower limit can
Freely set according to demand；The controller judges whether the load factor of the electromechanical equipment is interval interior in the normal load,
And judged result is formed, the controller controls frequency converter or output equipment according to the judged result.
It is further comprising the steps of in the S6 in such scheme：
If S61. the load factor is in the normal load is interval, the controller judges the electromechanical equipment as normal
State；24 pin of the controller light working station indicator ZD to working station indicator ZD output currents；The control
27 pin and 28 pin of device processed export normal signal to output equipment；
If S62. the load factor of the electromechanical equipment is less than the interval lower limit of the normal load, the controller judges
The electromechanical equipment is light condition；29 pin and 30 pin of the controller export underloading alarm signal, work to output equipment
Personnel can change the smaller electromechanical equipment of rated power according to the underloading alarm signal；
S63. also it is set with alarm temperature in the controller；If the load factor of the electromechanical equipment is normal negative more than described
Carry interval higher limit, the controller by again by the temperature value of electromechanical equipment described in temperature sensor measurement, if described
Temperature value is higher than the alarm temperature, and the controller judges that the electromechanical equipment is overload；
26 pin of the controller light the malfunction indicator lamp GD, and pass through to malfunction indicator lamp GD output currents
29 pin and 30 pin of controller are to output equipment output overloading alarm signal；
Staff operates input equipment to controller incoming frequency value, and the controller passes through by by the frequency values
The variable frequency adjustment A12 pin of 40 and frequency converter of the controller are sent to frequency converter；The frequency converter changes according to the frequency values
Become the frequency of output to the alternating current of the electromechanical equipment, to change the current power of the electromechanical equipment, set the electromechanics
Standby current power recovers interval interior to the normal load；
The controller is compared using pid algorithm to the temperature value and alarm temperature of the electromechanical equipment.
In such scheme, in the S6, the controller using pid algorithm to the load factor of the electromechanical equipment and just
Often load interval is compared；The interval lower limit of the normal load is 80%, and the interval higher limit of the normal load is
95%.
The advantages of the present invention are：The present invention provides a kind of efficiency control device and energy efficiency controlling method,
Ensure that electromechanical equipment is operated in normal load interval, and then ensure that the operation safety of electromechanical equipment, while improve again
The efficiency utilization rate of electromechanical equipment, saves the operating cost of electromechanical equipment.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
Other accompanying drawings are obtained with according to these accompanying drawings.
Fig. 1 is a kind of circuit diagram of efficiency control device of the invention.
In figure：1st, controller 2, power system 3, first contactor 4, second contactor 5, frequency converter 6, electromechanics set
Standby 7, temperature sensor 8, input equipment 9, output equipment 10, tele-control system 31, hot-wire coil
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the invention is further described.Following examples are only
For clearly illustrating technical scheme, and can not be limited the scope of the invention with this.
As shown in figure 1, the present invention is a kind of efficiency control device, it is connected with electromechanical equipment 6, to control electromechanical equipment 6
Energy consumption, including controller 1, power system 2, first contactor 3, second contactor 4 and frequency converter 5；Controller 1 and power system
2 connections, power system 2 is connected by first contactor 3 with frequency converter 5, and power system 2 is set by second contactor 4 and electromechanics
Standby 6 connection, frequency converter 5 is also connected with electromechanical equipment 6, and frequency converter 5 changes the frequency of the alternating current of the output of power system 2 and exports
To electromechanical equipment 6.
Preferably, frequency converter 5 is also connected with controller 1, for frequency converter 5 to the voltage of the output of electromechanical equipment 6 or
Electric current is sampled, and the magnitude of voltage or current value obtained to the output electromechanical equipment 6 of controller 1；
Efficiency control device also includes temperature sensor 7, and temperature sensor 7 connects with electromechanical equipment 6 and controller 1 respectively
Connect, the temperature for sensing electromechanical equipment 6, and the temperature value of electromechanical equipment 6 is sent to controller 1；
Controller 1 according to magnitude of voltage or current value, and the voltage of temperature value control electromechanical equipment 6 or the size of electric current to
The output frequency value of frequency converter 5, frequency converter 5 changes the frequency of output to the alternating current of electromechanical equipment 6 according to frequency values.
Further, controller 1 includes 1~79 pin, and 39 pin and 40 pin of controller 1 are connected with frequency converter 5, are used for respectively
Conversion frequencies are exported to frequency converter 5, to adjust the frequency values of frequency converter 5；59 pin and 60 pin and the input equipment 8 of controller 1 connect
Connect, for controlling frequency converter 5 to start；63 pin and 64 pin of controller 1 are connected with frequency converter 5 respectively, for monitoring frequency converter 5
Running status；67 pin and 68 pin of controller 1 are connected with frequency converter 5 respectively, for judging whether frequency converter 5 overloads.
Specifically, frequency converter 5 has frequency conversion feedback A0 pin, frequency conversion feedback COM pin, variable frequency adjustment A12 pin, variable frequency adjustment
COM pin, startup L1 pin, startup positive electricity presser feet, failure 1A pin, failure 1C pin, operation 2A pin and operation 2C pin；
Variable frequency adjustment A12 pin are connected with 40 pin of controller 1, and variable frequency adjustment COM pin are connected with 39 pin of controller 1, control
Device processed 1 is by variable frequency adjustment A12 pin to the output frequency value of frequency converter 5；Start L1 pin to be connected with 59 pin of controller 1, start just
Voltage pin is connected with 60 pin of controller 1；Failure 1A pin are connected with 67 pin of controller 1,68 pin of failure 1C pin and controller 1
The magnitude of voltage or current value of electromechanical equipment 6 are sent to controller 1 by connection, frequency converter 5 by failure 1A pin or failure 1C pin；Fortune
Row 2A pin are connected with 63 pin of controller 1, and operation 2C pin are connected with 64 pin of controller 1.
Preferably, power system 2 includes live wire and zero line, the 1 pin connection tele-control system 10 of controller 1, long-range control
System processed 10 is used to carry out controller 1 remote control, the 2 pin ground connection of controller 1；23 pin of controller 1 are connected with live wire, control
24 pin of device processed 1 are sequentially connected working station indicator ZD and zero line, and 25 pin of controller 1 are connected with live wire, and the 26 of controller 1
Pin is sequentially connected malfunction indicator lamp GD and zero line；
27 pin and 28 pin of controller 1 are connected with the (not shown) of output equipment 9 respectively, 29 pin of controller 1 and 30
Pin is connected with output equipment 9 respectively；The L pin of controller 1 are connected with live wire, and live wire is that controller 1 provides electric energy, control by L pin
The N pin of device processed 1 are connected with zero line, the G pin ground connection of controller 1.
Preferably, 43 pin and 44 pin of controller 1 are connected with input equipment 8 respectively, and input equipment 8 passes through 43 pin and 44 pin
To the input frequency signal of controller 1, frequency values are sent to frequency converter 5 by 40 pin of controller 1；
55 pin and 56 pin of controller 1 are connected with temperature sensor 7 respectively, and temperature sensor 7 passes through 55 pin and 56 pin will
The temperature value of electromechanical equipment 6 is sent to controller 1；
61 pin of controller 1 are connected with the live wire of power system 2, and 62 pin of controller 1 are logical with first contactor 3 successively
Electric coil 31 and the zero line of power system 2 are connected, 65 pin and 66 pin of controller 1 respectively with the start button of first contactor 3
JC is connected；
69 pin and 70 pin of controller 1 are connected with overload protective device BH respectively, and overload protective device BH also connects with electromechanical equipment 6
Connect；71 pin and 72 pin of controller 1 are connected with frequency conversion automatic switch ZK respectively, 73 pin and 74 pin of controller 1 respectively with frequency conversion
Hand switch SK is connected, and 75 pin and 76 pin of controller 1 are connected with equipment stop button TZ respectively, 77 pin of controller 1 and 78
Pin is connected with equipment start button QD respectively；Staff starts controller 1 by pressing equipment start button QD, controller
1 60 pin start frequency converter 5 to the output voltage of frequency converter 5, and then frequency converter 5 is exported alternating current to electromechanical equipment 6；Work
Personnel stop controller 1 by pressing equipment stop button TZ, and then frequency converter 5 is stopped, frequency converter 5 will stop to
Electromechanical equipment 6 exports alternating current.
Preferably, 7 pin and 8 pin of controller 1 are opened button KA and are connected with butterfly valve respectively, 8 pin and 9 pin point of controller 1
It is not connected with butterfly valve X button GA；79 pin of controller 1 are connected with butterfly valve, for the output shutdown signal to butterfly valve, control
57 pin of device 1 are connected with butterfly valve, for exporting opening signal, the 58 pin ground connection of controller 1 to butterfly valve；
3 pin of controller 1 are connected with butterfly valve, to receive the opening signal in place of butterfly valve output, the 4 pin ground connection of controller 1,
5 pin of controller 1 are connected with butterfly valve, to receive the closing signal in place of butterfly valve output, the 6 pin ground connection of controller 1；Controller 1
32 pin be connected with butterfly valve indicator lamp DD；Staff presses butterfly valve and opens button KA, and 57 pin of controller 1 are beaten to butterfly valve output
ON signal, butterfly valve is opened and exports butterfly valve opening signal in place to controller 1 by 3 pin of controller 1 afterwards in place, controller 1
32 foot control butterfly valve indicator lamp DD are lighted；Staff presses butterfly valve X button GA, and 79 pin of controller 1 are exported to butterfly valve and closed
Close signal, butterfly valve closes the closing for being exported to controller 1 by 5 pin of controller 1 afterwards in place signal, the 32 of controller 1 in place
Foot control butterfly valve indicator lamp DD extinguishes.
A kind of energy efficiency controlling method, including determine frequency pattern and variable mode,
Determine frequency pattern to comprise the following steps：
D1. close second contactor 4 and disconnect first contactor 3, power system 2 is directly provided friendship to electromechanical equipment 6
Stream electricity；
D2. electromechanical equipment 6 directly runs the alternating current provided by power system 2；
Variable mode is comprised the following steps：
S1. second contactor 4 is disconnected, operation frequency conversion hand switch SK or frequency conversion automatic switch ZK starts controller 1, operation
The start button JC of first contactor 3 makes controller 1 be powered the hot-wire coil 31 of first contactor 3, and then makes the first contact
Device 3 is closed；
S2. controller 1 obtains the temperature value of electromechanical equipment 6 by the temperature sensor 7 being connected with 55 pin and 56 pin；
S3. frequency converter 5 is sampled to the voltage or electric current of the reception of electromechanical equipment 6, and the failure 1A for passing through frequency converter 5
The magnitude of voltage or current value of electromechanical equipment 6 are sent to controller 1 by pin or failure 1C pin；
S4. controller 1 calculates the current power of electromechanical equipment 6 by magnitude of voltage or current value；
S5. the rated power of electromechanical equipment 6 is provided with controller 1, controller 1 is according to current power and rated power meter
Calculate the load factor for obtaining electromechanical equipment 6；
S6. normal load is set with controller 1 interval, the interval higher limit of normal load or lower limit can be according to demand
Freely set；Whether controller 1 judges the load factor of electromechanical equipment 6 in normal load is interval, and forms judged result, controls
Device 1 controls frequency converter 5 or output equipment 9 according to judged result.
Specifically, further comprising the steps of in S6：
If S61. in normal load is interval, controller 1 judges that electromechanical equipment 6 is normal condition to load factor；Controller 1
24 pin light working station indicator ZD to working station indicator ZD output currents；27 pin and 28 pin of controller 1 are to defeated
Go out the output normal signal of equipment 9；
If S62. the load factor of electromechanical equipment 6 is less than the interval lower limit of normal load, controller 1 judges electromechanical equipment 6
It is light condition；29 pin and 30 pin of controller 1 export underloading alarm signal to output equipment 9, and staff can be according to underloading
The smaller electromechanical equipment 6 of rated power is changed in alarm signal；
S63. also it is set with alarm temperature in controller 1；If the load factor of electromechanical equipment 6 is upper more than normal load interval
Limit value, controller 1 will determine the temperature value of electromechanical equipment 6 again by temperature sensor 7, if temperature value is higher than alarm temperature,
Controller 1 judges that electromechanical equipment 6 is overload；
26 pin of controller 1 light malfunction indicator lamp GD to malfunction indicator lamp GD output currents, and by controller 1
29 pin and 30 pin to the output overloading alarm signal of output equipment 9；
Staff operates input equipment 8 to the incoming frequency value of controller 1, and controller 1 passes through control by by frequency values
The variable frequency adjustment A12 pin of 40 and the frequency converter 5 of device 1 are sent to frequency converter 5；Frequency converter 5 changes output to electromechanics according to frequency values
The frequency of the alternating current of equipment 6, to change the current power of electromechanical equipment 6, makes the current power of electromechanical equipment 6 recover to normal
In load is interval；
Controller 1 is compared using pid algorithm to the temperature value and alarm temperature of electromechanical equipment 6.
Preferably, in S63, the overload time limit is additionally provided with controller 1, when controller 1 judges 6 overloads of electromechanical equipment
During state, staff fails to operate input equipment 8 to the incoming frequency value of controller 1 within the overload time limit, and controller 1 will start
Overload protective device BH, stops controller 1, and then frequency converter 5 is stopped, and frequency converter 5 will stop being exported to electromechanical equipment 6
Alternating current is protecting the safety of electromechanical equipment 6.
Preferably, in S6, controller 1 is carried out using pid algorithm to the load factor of electromechanical equipment 6 and normal load interval
Compare；The interval lower limit of normal load is 80%, and the interval higher limit of normal load is 95%.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of efficiency control device, is connected with electromechanical equipment, to control the energy consumption of the electromechanical equipment, it is characterised in that bag
Include controller, power system, first contactor, second contactor and frequency converter；The controller is connected with the power system,
The power system is connected by first contactor with the frequency converter, and the power system passes through second contactor and the machine
Electric equipment is connected, and the frequency converter is also connected with the electromechanical equipment, and the frequency converter changes the friendship of the power system output
Flow the frequency of electricity and export to the electromechanical equipment.
2. a kind of efficiency control device according to claim 1, it is characterised in that the frequency converter also with the controller
Connection, for being sampled to the voltage or electric current of the output of the electromechanical equipment to the frequency converter, and to the controller
Export magnitude of voltage or current value that the electromechanical equipment is obtained；
The efficiency control device also include temperature sensor, the temperature sensor respectively with the electromechanical equipment and controller
Connection, the temperature for sensing the electromechanical equipment, and the temperature value of the electromechanical equipment is sent to the controller；
The controller controls the voltage or electricity of the electromechanical equipment according to the magnitude of voltage or current value, and the temperature value
The size of stream changes output to the electromechanical equipment to the frequency converter output frequency value, the frequency converter according to the frequency values
Alternating current frequency.
3. a kind of efficiency control device according to claim 2, it is characterised in that the controller includes 1~79 pin, institute
39 pin and 40 pin for stating controller are connected with frequency converter respectively, for exporting conversion frequencies to frequency converter, to adjust the frequency conversion
The frequency values of device；59 pin and 60 pin of the controller are connected with input equipment, for controlling the frequency converter to start；The control
63 pin and 64 pin of device processed are connected with frequency converter respectively, the running status for monitoring the frequency converter；The 67 of the controller
Pin and 68 pin are connected with the frequency converter respectively, for judging whether the frequency converter overloads.
4. a kind of efficiency control device according to claim 3, it is characterised in that there is the frequency converter frequency conversion to feed back A0
Pin, frequency conversion feedback COM pin, variable frequency adjustment A12 pin, variable frequency adjustment COM pin, start L1 pin, start positive electricity presser feet, failure 1A pin,
Failure 1C pin, operation 2A pin and operation 2C pin；
The variable frequency adjustment A12 pin are connected with 40 pin of the controller, the variable frequency adjustment COM pin and the 39 of the controller
Pin is connected, and the controller is by variable frequency adjustment A12 pin to the frequency converter output frequency value；The startup L1 pin and the control
The 59 pin connection of device processed, the startup positive electricity presser feet is connected with 60 pin of the controller；The failure 1A pin and the control
The 67 pin connection of device, the failure 1C pin are connected with 68 pin of the controller, and the frequency converter is by the electricity of the electromechanical equipment
Pressure value or current value are sent to the controller by the failure 1A pin or failure 1C pin；The operation 2A pin and the control
The 63 pin connection of device, the operation 2C pin are connected with 64 pin of the controller.
5. a kind of efficiency control device according to claim 2, it is characterised in that the power system includes live wire and zero
Line, the 1 pin connection tele-control system of the controller, the tele-control system is used to remotely control the controller
System, the 2 pin ground connection of the controller；23 pin of the controller are connected with the live wire, and 24 pin of the controller connect successively
Working station indicator ZD and the zero line are connect, 25 pin of the controller are connected with the live wire, 26 pin of the controller
It is sequentially connected malfunction indicator lamp GD and the zero line；
27 pin and 28 pin of the controller are connected with output equipment respectively, 29 pin and 30 pin of the controller respectively with output
Equipment is connected；The L pin of the controller are connected with the live wire, and the live wire is by the L pin for the controller provides electricity
Can, the N pin of the controller are connected with the zero line, the G pin ground connection of the controller.
6. a kind of efficiency control device according to claim 2, it is characterised in that 43 pin and 44 pin of the controller point
It is not connected with input equipment, the input equipment passes through 43 pin and 44 pin to the controller input frequency signal, described
The frequency values are sent to the frequency converter by 40 pin of controller；
55 pin and 56 pin of the controller are connected with the temperature sensor respectively, and the temperature sensor passes through 55 pin and 56
The temperature value of the electromechanical equipment is sent to the controller by pin；
61 pin of the controller are connected with the live wire of the power system, 62 pin of the controller successively with first contactor
Hot-wire coil and the power system zero line connection, 65 pin and 66 pin of the controller are opened with first contactor respectively
Dynamic button JC connections；
69 pin and 70 pin of the controller are connected with overload protective device BH respectively, the overload protective device BH also with the electromechanics
Equipment is connected；71 pin and 72 pin of the controller are connected with frequency conversion automatic switch ZK respectively, 73 pin of the controller and 74
Pin is connected with frequency conversion hand switch SK respectively, and 75 pin and 76 pin of the controller are connected with equipment stop button TZ respectively, institute
77 pin and 78 pin for stating controller are connected with equipment start button QD respectively.
7. a kind of efficiency control device according to claim 1, it is characterised in that 7 pin of the controller and 8 pin are distinguished
Button KA is opened with butterfly valve to be connected, 8 pin and 9 pin of the controller are connected with butterfly valve X button GA respectively；The controller
79 pin be connected with butterfly valve, for the output shutdown signal to the butterfly valve, 57 pin of the controller are connected with the butterfly valve,
For exporting opening signal, the 58 pin ground connection of the controller to the butterfly valve；
3 pin of the controller are connected with butterfly valve, to receive opening that the butterfly valve exports signal, the 4 of the controller in place
Pin is grounded, and 5 pin of the controller be connecteds with the butterfly valve, to receive the closing of the butterfly valve output signal, the control in place
The 6 pin ground connection of device processed；32 pin of the controller are connected with butterfly valve indicator lamp DD.
8. a kind of energy efficiency controlling method, it is characterised in that including determining frequency pattern and variable mode,
It is described to determine frequency pattern and comprise the following steps：
D1. close second contactor and disconnect first contactor, power system is directly provided alternating current to electromechanical equipment；
D2. the electromechanical equipment directly runs the alternating current provided by the power system；
The variable mode is comprised the following steps：
S1. second contactor is disconnected, operation frequency conversion hand switch SK or frequency conversion automatic switch ZK starts controller, and operation first connects
The start button JC of tentaculum makes controller be powered the hot-wire coil of first contactor, and then closes first contactor；
S2. controller obtains the temperature value of electromechanical equipment by the temperature sensor being connected with 55 pin and 56 pin；
S3. frequency converter is sampled to the voltage or electric current of the reception of electromechanical equipment, and the failure 1A pin by frequency converter or event
The magnitude of voltage or current value of the electromechanical equipment are sent to the controller by barrier 1C pin；
S4. controller calculates the current power of the electromechanical equipment by the magnitude of voltage or current value；
S5. be provided with the rated power of the electromechanical equipment in the controller, the controller according to the current power and
Rated power calculates the load factor for obtaining the electromechanical equipment；
S6. normal load interval is set with the controller, the interval higher limit of the normal load or lower limit can bases
Demand freely sets；Whether the controller judges the load factor of the electromechanical equipment in the normal load is interval, and shape
Into judged result, the controller controls frequency converter or output equipment according to the judged result.
9. a kind of energy efficiency controlling method according to claim 8, it is characterised in that further comprising the steps of in the S6：
If S61. in the normal load is interval, the controller judges that the electromechanical equipment is normal shape to the load factor
State；24 pin of the controller light working station indicator ZD to working station indicator ZD output currents；The control
27 pin and 28 pin of device export normal signal to output equipment；
If S62. less than the lower limit in normal load interval, the controller judges described the load factor of the electromechanical equipment
Electromechanical equipment is light condition；29 pin and 30 pin of the controller export underloading alarm signal, staff to output equipment
The smaller electromechanical equipment of rated power can be changed according to the underloading alarm signal；
S63. also it is set with alarm temperature in the controller；If the load factor of the electromechanical equipment is more than the normal load area
Between higher limit, the controller by again by the temperature value of electromechanical equipment described in temperature sensor measurement, if the temperature
Value is higher than the alarm temperature, and the controller judges that the electromechanical equipment is overload；
26 pin of the controller light the malfunction indicator lamp GD to malfunction indicator lamp GD output currents, and by control
29 pin and 30 pin of device are to output equipment output overloading alarm signal；
Staff operates input equipment to controller incoming frequency value, and the controller passes through described by by the frequency values
The variable frequency adjustment A12 pin of 40 and frequency converter of controller are sent to frequency converter；The frequency converter changes defeated according to the frequency values
Go out the frequency of the alternating current to the electromechanical equipment, to change the current power of the electromechanical equipment, make the electromechanical equipment
Current power recovers interval interior to the normal load；
The controller is compared using pid algorithm to the temperature value and alarm temperature of the electromechanical equipment.
10. a kind of energy efficiency controlling method according to claim 8, it is characterised in that in the S6, the controller profit
The load factor of the electromechanical equipment and normal load interval are compared with pid algorithm；The interval lower limit of the normal load
It is 80% to be worth, and the interval higher limit of the normal load is 95%.
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| CN106936363B (en) | 2024-05-24 |
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