CN109709853A - A kind of cassette drive array unit based on network switching control station - Google Patents
A kind of cassette drive array unit based on network switching control station Download PDFInfo
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- CN109709853A CN109709853A CN201811617168.1A CN201811617168A CN109709853A CN 109709853 A CN109709853 A CN 109709853A CN 201811617168 A CN201811617168 A CN 201811617168A CN 109709853 A CN109709853 A CN 109709853A
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Abstract
The present invention provides a kind of cassette drive array unit based on network switching control station is kernel control chip, drives the operation motor of disconnecting switch.Cassette driver includes isolated DC wide-voltage range detection circuit, switching quantity detection circuit, Temperature and Humidity circuit, telecommunication circuit, central processing unit, driving current isolation Acquisition Circuit, driving spacing output circuit and power amplification conversion circuit.Shape designs for card insert type, and Acquisition Circuit, temperature and humidity control circuit, serial communication circuit is isolated by DC isolation Acquisition Circuit, switching value on electrical principle, power output circuit is isolated.The medicine have the advantages that system configured in one piece flexibility is improved, and it is convenient for safeguarding, save space；The voltage output of super wide range adapts to scene, and driving requires at a distance and the driving motor of different voltages standard, specific driving voltage value can be manually set；Have logout, driving voltage soft start, the live functions such as Temperature and Humidity Control and driving current recording.
Description
Technical field
The invention belongs to railway power disconnecting switch motion technology fields, in particular to a kind of to be based on network switching control station
Cassette drive array unit, suitable for network-based disconnecting switch control station, remotely controlled, drive operating mechanism,
Local Temperature and Humidity Control and fault detection and health control.
Background technique
Transformer is mostly used to add the drive of relay or contactor in current 10KV-220KV isolator operating mechanism case
Flowing mode is aided with temperature controller and is effectively adjusted to the temperature and humidity in case.Transformer adds the drive mode of relay-contactor
The bigger and installation that takes up space is more complicated, safeguards and all more troublesome using operating.This side in terms of electric property simultaneously
Formula also has no idea to realize that continuous voltage regulating exports, and does not adapt to the reality of Different field voltage form or live voltage line loss decaying
Situation.With the increase of the attention rate of the live operating status to disconnecting switch, the quantity for needing to acquire also is increasing, switch
Amount, analog quantity etc..Therefore the cable count for needing scene to draw also increases synchronous, and cost is constantly rising, and equipment
Stability is being gradually reduced.Control system based on relay node has been unable to satisfy the need of railway intelligence operation management
It asks, therefore the exploitation of intelligent driving device has become certainty.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of intelligent drivers of network-based plate card type hot plug
Array element.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that: it is a kind of based on network switching control station
Cassette drive array unit, comprising: the cassette driver of 3U high standard cabinet, the cassette driver include the wide electricity of isolated DC
Press range detection circuit, switching quantity detection circuit, Temperature and Humidity circuit, telecommunication circuit, central processing unit, driving current isolation
Acquisition Circuit, driving spacing output circuit and power amplification conversion circuit, the isolated DC Width funtion DC detection circuit will
Become pulsating direct current after conditioning, conversion, isolation in external alternating voltage and is sent into central processing unit test side；The switching value
External passive on-off model is sent into central processing unit test side after isolation conversion by detection circuit；The temperature and humidity inspection
Slowdown monitoring circuit by sensor acquisition external environment temperature and humidity signal parameter, by, transformation, conditioning after have feeding central processing
Device test side；The driving current isolation Acquisition Circuit is by the current signal of driving motor by being sent into center after conditioning isolation
Processor corresponding port；The central processing unit will obtain temperature and humidity circuit acquisition signal, with the conditional parameter of user setting into
After the judgement for whether carrying out heating operation that row relatively determines, driving spacing output circuit is outputed signal to；The central processing
The instruction of instruction or user's execute-in-place that device is received according to telecommunication circuit driving power in such a way that pin exports PWM wave
The power signal that the small signal pulse signal of one low pressure zooms into high-voltage great-current is exported and is converted to power amplification by amplifying circuit
Circuit.
The telecommunication circuit is equipped with 485 serial communication circuits, realizes the real-time data communication of host computer.
The central processing unit is STC15W4K32S4 type high-performance monolithic.
The isolated DC Width funtion DC voltage isolated measurement circuit is successively adjusted through input voltage, rectification circuit, amplification
Central processing unit is connected to after reason and insulation blocking.
The passive switch amount signal circuit isolation conversion that successively active processing, isolated variable, filtering are protected.
The temperature and humidity circuit acquisition signal passes through the temperature and humidity one digital sensor being connected with processor, and acquisition is outer
It is placed in the data buffer storage RAM of oneself after the environmental data in portion, device to be processed issues request of data and data are transmitted to place later
Device is managed, processor is after obtaining data according to setting condition to determine whether heat treatment.
The current signal of the driving motor is the output switch parameter point of Temperature and Humidity Control, in processor according to temperature and humidity electricity
The collected ambient condition data in road judges whether to the processing heated or dried, and sends out the corresponding of driving circuit according to structure
Action signal.
Motor driven power output issues pwm signal to signal amplification circuit, at isolated variable by processor
Reason, directly drives power amplifying device after isolation, amplified power current is used to drive direct current generator, while power amplifier
Part must have afterflow and voltage surge limit volt circuit to be protected.
The beneficial effects of the present invention are: driving equipment is the power output circuit of forceful electric power, plate card type design is provided, power is defeated
The hot plug operations of circuit out, the hot plug operations mode of the communication card of similar weakness；Ultra-wide is provided in standard input
DC voltage-stabilizing output voltage, range is from DC85 to DC265, and electrodeless continuously adjustable, the direct current drive of the existing all standards of adaptation
The attainable limit line loss attenuation degree of dynamic motor and the institute of design at present；Soft start function is provided in the finger for obtaining electric motor starting
Starting voltage can slowly be applied after order, actuating motor is slowly started, reduce driving current impact and extend electricity
Machine and the service life for executing mechanical system；Event recording function is provided, historical data can be read rapidly and carry out accident analysis,
With the health control to equipment.The drive current waveform of motor can also be recorded, for the actual motion feelings for monitoring motor and switch
Condition provides data foundation.
Detailed description of the invention
Fig. 1 is plate card type drive array cellular construction schematic diagram of the invention；
Fig. 2 is that drive unit system of the invention constitutes schematic block diagram；
Fig. 3 is Width funtion DC voltage isolated measurement circuit schematic block diagram of the invention；
Fig. 4 is switching value isolation detection circuit schematic block diagram of the invention；
Fig. 5 is Temperature and Humidity schematic block circuit diagram of the invention；
Fig. 6 is spacing output circuit schematic block diagram of the invention；
Fig. 7 is power amplification circuit schematic block diagram of the invention.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description:
The present invention is the drive array unit of network-based switch control cabinet plate card type using single-chip microcontroller as control core,
As shown in Figure 1,1 height of panel is designed to the standard size of 3U high, and width is the standard size of N*5.08, and printed board 2 is real
Existing power-supply system, logical operation, power drive execution part, inserting terminal 3 make board be connected with system bus plate realization
Board is mutually standby, the function of power drive etc..
Electrical construction connects Width funtion DC voltage isolation measurement as shown in Fig. 2, with the single-chip microcontroller system core as a whole
Circuit, switching value isolation detection circuit, Temperature and Humidity circuit, telecommunication circuit, driving current spacing output circuit, driving isolation
Output circuit, power amplification circuit.
Isolated DC wide-voltage range detection circuit, be in external alternating voltage after over commutation is handled, it is straight to become pulsation
Stream, then accesses this detection circuit, carries out conditioning Amplification and insulation processing, forms the small signal of central processing unit acceptable low pressure
Access corresponding A/D conversion pin；Switching value isolation detection circuit is that require external switch amount signal be that passive signal is passing through
The pin of central processing unit is finally sent into the active processing of this circuit, isolated variable, conditioning amplification etc.；In addition, Temperature and Humidity is electric
Road is to be transformed into electronic signal after the temperature and humidity signal of Temperature Humidity Sensor acquisition environment and then pass through bus mode
It is transferred to central processing unit；It is that driving current is introduced into DC isolation sensor there are also the isolation Acquisition Circuit of driving current
Input terminal becomes central processing unit acceptable signal after conditioning transformation.Spacing output circuit is driven, is in center
Processor obtains the signal of Temperature and Humidity circuit, and whether being heated for decision is compared with the conditional parameter of user setting
The judgement of operation, output signal provide the operation that heating is executed by external circuit by this circuit.Power amplification conversion circuit is
The instruction of instruction or user's execute-in-place that central processing unit is received according to telecommunication circuit is in such a way that pin exports PWM wave
The small signal pulse signal of one low pressure is zoomed into the power signal of high-voltage great-current by driving power amplifying circuit.
Central processing unit is STC15W4K32S4 type high-performance monolithic, as core composition with network function, input
The high performance logic control system of output detection and power conversion and control.
Concrete function is accomplished by
Functional block diagram inside the Width funtion DC voltage isolated measurement circuit of central processing unit connection is as shown in figure 3, driving
AC signal is become DC pulse signal by rectification circuit in Fig. 3 by voltage, then again amplifying circuit by the big signal of this direct current
Decay into the small signal of low pressure, then after signal isolation is handled into isolated variable circuit, is sent into central processing unit respective tube
Foot.Realize the isolation detection of the direct current signal of wide scope.Then collected signal can be become digital signal and deposits by processor
It stores up stand-by in memory.
Functional block diagram inside the switching value isolation detection circuit of central processing unit link is as shown in figure 4, passive switch amount is believed
Number introduce after line pass through active loading processing, become active signal, subsequently into isolated variable part, later using filtering and
Central processing unit respective pin is sent into after interface protection conditioning.
The inside functional block diagram of the Temperature and Humidity circuit of central processing unit connection with processor as shown in figure 5, be connected
Temperature and humidity one digital sensor, acquire and be placed in the data buffer storage RAM of oneself after external environmental data, it is to be processed
Device issues and data is transmitted to processor after request of data, processor after obtaining data according to imposing a condition to determine whether
Heat treatment.
Functional block diagram inside driving current isolation detection circuit as shown in figure 5, driving current introduces Hall current sensor,
Isolation voltage signal is formed after sensor transformation, is then sent into processor respective pin after amplification conditioning.Processor
It is stand-by by the current data for forming digital driving motor after internal conversion.
The output switch parameter point for exporting internal functional block diagram as shown in fig. 6, this function is Temperature and Humidity Control is isolated in driving,
Processor judges whether to the processing heated or dried according to the collected ambient condition data of temperature and humidity circuit, according to structure
Send out the corresponding actions signal of driving circuit.
Functional block diagram inside power amplification conversion circuit as shown in fig. 7, this circuit is motor driven power output part, by
Processor issues pwm signal and directly drives power amplifier after isolation subsequently into isolated variable processing to signal amplification circuit
Part, amplified power current is used to drive direct current generator, while power amplifying device must have afterflow and voltage surge limit volt
Circuit is protected.Telecommunication circuit uses 485 general telecommunication circuits, realizes the friendship of the data and control instruction of short distance
It changes.
The workflow of SCM Based isolator operating mechanism driver of the invention:
Into after normal mode of operation, central processing unit detects external input voltage by Fig. 2 circuit, as
It is to be used in RAM according to calculating power amplifying device driving largest duty cycle value used and adjustment interval being accelerated to be stored in.When making
With 485 communication when processor by telecommunication circuit figure with outside 485 equipment carry out data exchange, can be read at this time currently input it is defeated
It does well, logout, recorder data etc., data, which are carried out analysis, to assess disconnecting switch health degree.
When driver receives division instruction, external cable control, 485 communication control, processor progress logic judgment are
It is no to meet drive condition, meet and then enable driving power relay and throw over relay, and generates PWM wave and power amplifier is carried out
Driving, the PWM adjusting parameter maximum value that is calculated according to the external voltage measured, acceleration gap to PWM wave be adjusted into
And driving power amplifying circuit is completed to control the soft start of motor.External voltage is continuously measured in mechanism operational process
State and driving current size carry out PWM adjustment and whether carry out overcurrent, overtime protection and save current data into RAM
It is to be used.When mechanism runs to limit or drives process interrupt, recorder data is saved into FLASH, and record related thing
Part.
Claims (8)
1. a kind of cassette drive array unit based on network switching control station, comprising: the cassette driver of 3U high standard cabinet,
It is characterized in that: the cassette driver includes isolated DC wide-voltage range detection circuit, switching quantity detection circuit, temperature and humidity inspection
Slowdown monitoring circuit, telecommunication circuit, central processing unit, driving current isolation Acquisition Circuit, driving spacing output circuit and power amplification turn
Circuit is changed, the isolated DC Width funtion DC detection circuit will become after conditioning, conversion, isolation in external alternating voltage
Central processing unit test side is sent into pulsating direct current；The switching quantity detection circuit turns external passive on-off model by isolation
It is alternatively sent into central processing unit test side afterwards；The temperature and humidity of the Temperature and Humidity electricity routing sensor acquisition external environment
Signal parameter, by, transformation, conditioning after have be sent into central processing unit test side；The driving current isolation Acquisition Circuit is by driving
The current signal of dynamic motor is by being sent into central processing unit corresponding port after conditioning isolation；The central processing unit will obtain temperature
Humidity circuit acquires signal, after the judgement for whether carrying out heating operation of decision is compared with the conditional parameter of user setting,
Output signal to driving spacing output circuit；The instruction or user scene that the central processing unit is received according to telecommunication circuit are grasped
The instruction of work driving power amplifying circuit in such a way that pin exports PWM wave zooms into the small signal pulse signal of a low pressure
The power signal of high-voltage great-current, which exports, gives power amplification conversion circuit.
2. a kind of cassette drive array unit based on network switching control station according to claim 1, it is characterized in that: institute
Telecommunication circuit is stated equipped with 485 serial communication circuits, realizes the real-time data communication of host computer.
3. a kind of cassette drive array unit based on network switching control station according to claim 1, it is characterized in that: institute
Stating central processing unit is STC15W4K32S4 type high-performance monolithic.
4. a kind of cassette drive array unit based on network switching control station according to claim 1, it is characterized in that: institute
It states isolated DC Width funtion DC voltage isolated measurement circuit and guarantor is successively improved and be isolated through input voltage, rectification circuit, amplification
Central processing unit is connected to after shield.
5. a kind of cassette drive array unit based on network switching control station according to claim 1, it is characterized in that: institute
State the isolation conversion that successively active processing, isolated variable, filtering are protected of passive switch amount signal circuit.
6. a kind of cassette drive array unit based on network switching control station according to claim 1, it is characterized in that: institute
It states temperature and humidity circuit acquisition signal and passes through the temperature and humidity one digital sensor being connected with processor, acquire external environment number
According in the data buffer storage RAM for being placed on oneself later, device to be processed issues request of data and data is transmitted to processor, processor later
According to setting condition to determine whether heat treatment after obtaining data.
7. a kind of cassette drive array unit based on network switching control station according to claim 1, it is characterized in that: institute
The current signal for stating driving motor is the output switch parameter point of Temperature and Humidity Control, collected according to temperature and humidity circuit in processor
Ambient condition data judges whether to the processing heated or dried, and the corresponding actions signal of driving circuit is sent out according to structure.
8. a kind of cassette drive array unit based on network switching control station according to claim 1, it is characterized in that: electric
Motor driving power output issues pwm signal to signal amplification circuit by processor, handles subsequently into isolated variable, after isolation directly
Connect driving power amplifying device, amplified power current is used to drive direct current generator, while power amplifying device must have it is continuous
Stream and voltage surge limit volt circuit are protected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617168.1A CN109709853A (en) | 2018-12-28 | 2018-12-28 | A kind of cassette drive array unit based on network switching control station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617168.1A CN109709853A (en) | 2018-12-28 | 2018-12-28 | A kind of cassette drive array unit based on network switching control station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109709853A true CN109709853A (en) | 2019-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811617168.1A Pending CN109709853A (en) | 2018-12-28 | 2018-12-28 | A kind of cassette drive array unit based on network switching control station |
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| CN202103583U (en) * | 2011-06-24 | 2012-01-04 | 天地（常州）自动化股份有限公司 | Mining explosion-proof and intrinsically safe AC frequency converter |
| CN203366089U (en) * | 2013-06-19 | 2013-12-25 | 国家电网公司 | Intelligent monitoring device for high voltage switch cabinet |
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| CN107528520A (en) * | 2016-06-21 | 2017-12-29 | 李征 | One kind is based on SPM switched reluctance machines power circuit |
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Application publication date: 20190503 |
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