CN206638979U - A kind of multi-frequency converter tele-control system - Google Patents
A kind of multi-frequency converter tele-control system Download PDFInfo
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- CN206638979U CN206638979U CN201720262912.5U CN201720262912U CN206638979U CN 206638979 U CN206638979 U CN 206638979U CN 201720262912 U CN201720262912 U CN 201720262912U CN 206638979 U CN206638979 U CN 206638979U
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Abstract
The utility model discloses a kind of multi-frequency converter tele-control system, including control mainboard, data acquisition module, touch screen and communication module, the input of the control mainboard and the output end of data acquisition module connect, and the control mainboard is connected with touch screen and communication module respectively.The utility model can effectively improve versatility and autgmentability by the multiple frequency converters of communication module remote control.And the utility model passes through data acquisition module energy collection site data so that controllers can understand in real time and monitoring site ambient conditions, to notify field personnel to carry out maintenance processing in time.The utility model can be widely applied in Frequency Converter Control field.
Description
Technical field
It the utility model is related to Frequency Converter Control technical field, more particularly to a kind of multi-frequency converter tele-control system.
Background technology
The application of frequency converter industrially is more and more extensive, especially in air-conditioning, water supply, the hydraulic turbine etc. and programmable control
Device processed has energy-conservation, improves the advantages of efficiency, intelligent operation, be increasingly subject to pay attention to automatic control system is combined into.
Because converter parameter is most important to system operation, and converter parameter usually needs to be wanted according to system operation
Ask and modify.So converter parameter is modified as the key link of safeguards system normal operation.And in frequency converter
In running, and the problem of frequency converter failure tripping operation harmonic is excessive often occurs, directly affect the operation of production equipment.
Again due to the operation of current domestic high voltage converter, all more or less there is alarm, faulty.Because high voltage converter computer room, one
As be all left unguarded, so when breaking down, staff can not know the very first time, mostly be to see its production equipment
Present situation is just known after stopping, this not only threatens power grid security, is damaged Power Material and equipment, has had a strong impact on people just
Normal work and life, causes inestimable economic loss.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide one kind and can notified in time, and remote control
A kind of multi-frequency converter tele-control system safeguarded.
Technical solution adopted in the utility model is：
A kind of multi-frequency converter tele-control system, including control mainboard, data acquisition module, touch screen and communication module,
The output end of the input of the control mainboard and data acquisition module connects, the control mainboard respectively with touch screen and communication
Module is connected.
As further improvement of the utility model, the data acquisition module include temperature sensor, humidity sensor,
Smoke gas sensor and pressure sensor, the output end of the temperature sensor and the first input end of control mainboard connect, described
The output end of humidity sensor and the second input of control mainboard connect, the output end and control mainboard of the smoke gas sensor
The connection of the 3rd input, the 4th input of the output end of the pressure sensor and control mainboard connects.
As further improvement of the utility model, the communication module includes communication chip, first resistor, the second electricity
Resistance, 3rd resistor, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity and the 4th electric capacity, the communication core
2 pin and 3 pin of piece are connected to the first end of first resistor, and 6 pin of the communication chip are connected to power supply by second resistance
End, 6 pin of the communication chip are connected to ground by the first electric capacity, and 6 pin of the communication chip are connected to by the 5th resistance
RS+ ends, the RS+ ends are connected to ground by the 4th electric capacity, and 7 pin of the communication chip are connected by the 4th resistance with RS- ends,
7 pin of the communication chip are connected to ground by 3rd resistor, and 7 pin of the communication chip are connected to ground by the second electric capacity,
The RS- ends are connected to ground by the 3rd electric capacity, and 8 pin of the communication chip and the second end of first resistor connect with power end
Connect, 5 pin of the communication chip are connected to ground, and 1 pin and 4 pin of the communication chip are connected with control mainboard.
As further improvement of the utility model, driving protection electricity is connected between the control mainboard and communication module
Road.
As further improvement of the utility model, the Drive Protecting Circuit includes driving optocoupler, the 6th resistance, the 7th
Resistance, the 8th resistance, the 9th resistance and the 5th electric capacity, the first end of the driving optocoupler and the positive terminal of control mainboard connect,
By the 6th resistance with driving the first end of optocoupler to be connected, the second end of the driving optocoupler leads at second end of the driving optocoupler
The negative pole end for crossing the 7th resistance and control mainboard connects, and the 3rd end of the driving optocoupler is by the 5th capacitance connection to driving light
6th end of coupling, the 4th end and the 5th end of the driving optocoupler are connected to the first end of the 8th resistance, the 8th resistance
The second end be connected to the positive terminal of communication module, the second end of the 8th resistance is connected to communication module by the 9th resistance
Negative pole end.
As further improvement of the utility model, the control mainboard is also associated with alarm module.
As further improvement of the utility model, the alarm module includes the tenth resistance, the 11st resistance, the 12nd
Resistance, the 13rd resistance, the first transistor, second transistor, indicator lamp and buzzer, the control mainboard pass through the tenth resistance
The base stage of the first transistor is connected to, the colelctor electrode of the first transistor is connected to the negative pole of indicator lamp by the 11st resistance
End, the positive terminal of the positive terminal of the indicator lamp respectively with power end and buzzer are connected, and the control mainboard passes through the 12nd
Resistance is connected to the base stage of second transistor, and the colelctor electrode of the second transistor is connected to buzzer by the 13rd resistance
Negative pole end, the emitter stage of the first transistor and the emitter stage of second transistor are connected to ground.
As further improvement of the utility model, the 5th input of the control mainboard is also associated with control source and adopted
Collector.
As further improvement of the utility model, the control source Acquisition Circuit includes the 14th resistance, the 15th
Resistance, the 16th resistance, the 17th resistance, the 18th resistance, operational amplifier, the 6th electric capacity and the 7th electric capacity, the computing
The in-phase input end of amplifier is connected to voltage input end by the 14th resistance, and the in-phase input end of the operational amplifier leads to
Cross the 16th resistance to be connected to ground, the inverting input of the operational amplifier is connected to ground by the 15th resistance, the fortune
The inverting input for calculating amplifier is connected to the output end of operational amplifier by the 17th resistance, the operational amplifier it is anti-
Phase input passes through the 18th by the output end of the 6th capacitance connection to operational amplifier, the output end of the operational amplifier
Resistance is connected to the 5th input of control mainboard, and the 5th input of the control mainboard is connected to ground by the 7th electric capacity.
The beneficial effects of the utility model are：
A kind of multi-frequency converter tele-control system of the utility model can have by the multiple frequency converters of communication module remote control
Effect improves versatility and autgmentability.And the utility model passes through data acquisition module energy collection site data so that control people
Member can understand in real time and monitoring site ambient conditions, to notify field personnel to carry out maintenance processing in time.
Brief description of the drawings
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is a kind of functional-block diagram of multi-frequency converter tele-control system of the utility model；
Fig. 2 is the circuit theory diagrams of communication module in a kind of multi-frequency converter tele-control system of the utility model；
Fig. 3 is the circuit theory diagrams of Drive Protecting Circuit in a kind of multi-frequency converter tele-control system of the utility model；
Fig. 4 is the circuit theory diagrams of alarm module in a kind of multi-frequency converter tele-control system of the utility model；
Fig. 5 is the circuit theory of control source Acquisition Circuit in a kind of multi-frequency converter tele-control system of the utility model
Figure.
Embodiment
With reference to figure 1, a kind of multi-frequency converter tele-control system of the utility model, including control mainboard, data acquisition module,
Touch screen and communication module, the input of the control mainboard and the output end of data acquisition module connect, the control mainboard
It is connected respectively with touch screen and communication module.
Preferred embodiment is further used as, the data acquisition module includes temperature sensor, humidity sensor, cigarette
Dust sensor and pressure sensor, the output end of the temperature sensor and the first input end of control mainboard connect, described wet
Second input of the output end and control mainboard of spending sensor connects, the output end of the smoke gas sensor and control mainboard
3rd input connects, and the output end of the pressure sensor and the 4th input of control mainboard connect.
With reference to figure 2, preferred embodiment is further used as, the communication module includes communication chip T, first resistor
R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity
C3 and the 4th electric capacity C4,2 pin and 3 pin of the communication chip T are connected to first resistor R1 first end, the communication chip
T 6 pin are connected to power end by second resistance R2, and 6 pin of the communication chip T are connected to ground by the first electric capacity C1, institute
6 pin for stating communication chip T are connected to RS+ ends by the 5th resistance R5, and the RS+ ends are connected to ground by the 4th electric capacity C4, institute
7 pin for stating communication chip T are connected by the 4th resistance R4 with RS- ends, 7 pin of the communication chip T by 3rd resistor R3 with
Ground is connected, and 7 pin of the communication chip T are connected to ground by the second electric capacity C2, and the RS- ends are connected by the 3rd electric capacity C3 and ground
Connect, 8 pin of the communication chip T and first resistor R1 the second end are connected with power end, 5 pin of the communication chip T with
Ground is connected, and 1 pin and 4 pin of the communication chip T are connected with control mainboard.
Preferably, the power end is+5V, and the communication module is connected into RS485 bus network, control command is transmitted
To frequency converter and receive the working state signal of frequency converter.
Preferred embodiment is further used as, driving protection electricity is connected between the control mainboard and communication module
Road.
With reference to figure 3, preferred embodiment is further used as, the Drive Protecting Circuit includes driving optocoupler U, the 6th electricity
Hinder R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9 and the 5th electric capacity C5, the first end of the driving optocoupler U and control
The positive terminal connection of mainboard, the second end of the driving optocoupler U are connected by the 6th resistance R6 with driving optocoupler U first end,
The second end of the driving optocoupler U is connected by the 7th resistance R7 and the negative pole end of control mainboard, and the 3rd of the driving optocoupler U the
End is connected to driving optocoupler U the 6th end by the 5th electric capacity C5, and the 4th end and the 5th end of the driving optocoupler U are connected to
8th resistance R8 first end, the second end of the 8th resistance R8 are connected to the positive terminal of communication module, the 8th resistance
R8 the second end is connected to the negative pole end of communication module by the 9th resistance R9.The Drive Protecting Circuit be interfered when
Wait, will not also occur high or low situation simultaneously because of interference, make system run all right, interference free performance is stronger.
Preferred embodiment is further used as, the control mainboard is also associated with alarm module.When detecting that data adopt
When the parameter that collection module is gathered is higher, then triggers alarm module and alarmed, such controllers energy very first time is remotely known
The fault alarm situation of road scene frequency converter, and scene is sent a signal to by communication module and carries out timely processing.
With reference to figure 4, preferred embodiment is further used as, the alarm module includes the tenth resistance R10, the 11st electricity
Hinder R11, the 12nd resistance R12, the 13rd resistance R13, the first transistor Q1, second transistor Q2, indicator lamp LED and buzzer
LS1, the control mainboard are connected to the first transistor Q1 base stage, the collection of the first transistor Q1 by the tenth resistance R10
Electrode is connected to indicator lamp LED negative pole end by the 11st resistance R11, the positive terminal of the indicator lamp LED respectively with power supply
End connects with buzzer LS1 positive terminal, and the control mainboard is connected to second transistor Q2 base by the 12nd resistance R12
Pole, the colelctor electrode of the second transistor Q2 are connected to buzzer LS1 negative pole end by the 13rd resistance R13, and described first
Transistor Q1 emitter stage and second transistor Q2 emitter stage are connected to ground.When finding failure or abnormal conditions, control
Indicator lamp LED and buzzer LS1 in mainboard driving alarm module carry out sound and light alarm.
Preferred embodiment is further used as, the 5th input of the control mainboard is also associated with control source collection
Circuit.
With reference to figure 5, preferred embodiment is further used as, the control source Acquisition Circuit includes the 14th resistance
R14, the 15th resistance R15, the 16th resistance R16, the 17th resistance R17, the 18th resistance R18, operational amplifier M1, the 6th
It is defeated that electric capacity C6 and the 7th electric capacity C7, the operational amplifier M1 in-phase input end by the 14th resistance R14 are connected to voltage
Enter end, the in-phase input end of the operational amplifier M1 is connected to ground by the 16th resistance R16, the operational amplifier M1's
Inverting input is connected to ground by the 15th resistance R15, and the inverting input of the operational amplifier M1 passes through the 17th electricity
Resistance R17 is connected to operational amplifier M1 output end, and the inverting input of the operational amplifier M1 is connected by the 6th electric capacity C6
Operational amplifier M1 output end is connected to, the output end of the operational amplifier M1 is connected to control by the 18th resistance R18
5th input of mainboard, the 5th input of the control mainboard are connected to ground by the 7th electric capacity C7.The utility model leads to
Overvoltage inputs Acquisition Circuit, ultralow pressure, the super-pressure that staff can occur in power supply power up or in work
Situation is found in time, and is taken appropriate measures and carried out system protection.
In the utility model embodiment, the utility model can utilize communication module by RS485 network connections several
Frequency converter, it uses the MODBUS communications protocol of standard to carry out master-slave communication, can connect multiple frequency converters simultaneously, and realize
Remote control, facilitates the maintenance of engineering staff, and the utility model is additionally provided with frequency converter start-up and shut-down control, running frequency setting, correlation
The function such as the modification of function code parameter, the monitoring of frequency converter working condition and fault message.
Above is preferably implement to be illustrated to of the present utility model, but the utility model is created and is not limited to institute
State embodiment, those skilled in the art can also make a variety of etc. on the premise of without prejudice to the utility model spirit
With deformation or replace, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (9)
- A kind of 1. multi-frequency converter tele-control system, it is characterised in that：Including control mainboard, data acquisition module, touch screen and Communication module, the input of the control mainboard and the output end of data acquisition module connect, and the control mainboard is respectively with touching Control screen is connected with communication module.
- A kind of 2. multi-frequency converter tele-control system according to claim 1, it is characterised in that：The data acquisition module Including temperature sensor, humidity sensor, smoke gas sensor and pressure sensor, the output end of the temperature sensor and control The first input end connection of mainboard, the output end of the humidity sensor and the second input of control mainboard connect, the cigarette 3rd input of the output end of dust sensor and control mainboard connects, the output end of the pressure sensor and control mainboard 4th input connects.
- A kind of 3. multi-frequency converter tele-control system according to claim 1, it is characterised in that：The communication module includes Communication chip, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the first electric capacity, the second electric capacity, the 3rd Electric capacity and the 4th electric capacity, 2 pin and 3 pin of the communication chip are connected to the first end of first resistor, and the 6 of the communication chip Pin is connected to power end by second resistance, and 6 pin of the communication chip are connected to ground by the first electric capacity, the communication chip 6 pin RS+ ends are connected to by the 5th resistance, the RS+ ends are connected to ground by the 4th electric capacity, 7 pin of the communication chip It is connected by the 4th resistance with RS- ends, 7 pin of the communication chip are connected to ground by 3rd resistor, and the 7 of the communication chip Pin is connected to ground by the second electric capacity, and the RS- ends are connected to ground by the 3rd electric capacity, 8 pin of the communication chip and first Second end of resistance is connected with power end, and 5 pin of the communication chip are connected to ground, and 1 pin and 4 pin of the communication chip are equal It is connected with control mainboard.
- A kind of 4. multi-frequency converter tele-control system according to claim 1, it is characterised in that：The control mainboard is with leading to Drive Protecting Circuit is connected between letter module.
- A kind of 5. multi-frequency converter tele-control system according to claim 4, it is characterised in that：The Drive Protecting Circuit Including driving optocoupler, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance and the 5th electric capacity, the first of the driving optocoupler End is connected with the positive terminal of control mainboard, and the second end of the driving optocoupler is connected by the first end of the 6th resistance and driving optocoupler Connecing, the second end of the driving optocoupler is connected by the 7th resistance and the negative pole end of control mainboard, and the 3rd of the driving optocoupler the End is connected to the 8th by the 5th capacitance connection to the 6th end for driving optocoupler, the 4th end and the 5th end of the driving optocoupler The first end of resistance, the second end of the 8th resistance are connected to the positive terminal of communication module, the second end of the 8th resistance The negative pole end of communication module is connected to by the 9th resistance.
- A kind of 6. multi-frequency converter tele-control system according to claim 1, it is characterised in that：The control mainboard also connects It is connected to alarm module.
- A kind of 7. multi-frequency converter tele-control system according to claim 6, it is characterised in that：The alarm module includes Tenth resistance, the 11st resistance, the 12nd resistance, the 13rd resistance, the first transistor, second transistor, indicator lamp and buzzing Device, the control mainboard are connected to the base stage of the first transistor by the tenth resistance, and the colelctor electrode of the first transistor passes through 11st resistance is connected to the negative pole end of indicator lamp, the positive terminal of the indicator lamp respectively with power end and the positive terminal of buzzer Connection, the control mainboard are connected to the base stage of second transistor, the colelctor electrode of the second transistor by the 12nd resistance The negative pole end of buzzer, the emitter stage of the first transistor and the emitter stage of second transistor are connected to by the 13rd resistance It is connected to ground.
- A kind of 8. multi-frequency converter tele-control system according to claim 1, it is characterised in that：The of the control mainboard Five inputs are also associated with control source Acquisition Circuit.
- A kind of 9. multi-frequency converter tele-control system according to claim 8, it is characterised in that：The control source collection Circuit includes the 14th resistance, the 15th resistance, the 16th resistance, the 17th resistance, the 18th resistance, operational amplifier, the Six electric capacity and the 7th electric capacity, the in-phase input end of the operational amplifier are connected to voltage input end by the 14th resistance, institute The in-phase input end for stating operational amplifier is connected to ground by the 16th resistance, and the inverting input of the operational amplifier passes through 15th resistance is connected to ground, and the inverting input of the operational amplifier is connected to operational amplifier by the 17th resistance Output end, the inverting input of the operational amplifier pass through the output end of the 6th capacitance connection to operational amplifier, the fortune The output end for calculating amplifier is connected to the 5th input of control mainboard by the 18th resistance, and the 5th of the control mainboard is defeated Enter end to be connected to ground by the 7th electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262912.5U CN206638979U (en) | 2017-03-17 | 2017-03-17 | A kind of multi-frequency converter tele-control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720262912.5U CN206638979U (en) | 2017-03-17 | 2017-03-17 | A kind of multi-frequency converter tele-control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206638979U true CN206638979U (en) | 2017-11-14 |
Family
ID=60250221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720262912.5U Expired - Fee Related CN206638979U (en) | 2017-03-17 | 2017-03-17 | A kind of multi-frequency converter tele-control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206638979U (en) |
-
2017
- 2017-03-17 CN CN201720262912.5U patent/CN206638979U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171114 Termination date: 20180317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |