CN201284148Y - Control system for rail type conveyor - Google Patents
Control system for rail type conveyor Download PDFInfo
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- CN201284148Y CN201284148Y CNU2008200395241U CN200820039524U CN201284148Y CN 201284148 Y CN201284148 Y CN 201284148Y CN U2008200395241 U CNU2008200395241 U CN U2008200395241U CN 200820039524 U CN200820039524 U CN 200820039524U CN 201284148 Y CN201284148 Y CN 201284148Y
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Abstract
The utility model relates to a control system of a rail-type conveyor, particularly belonging to the technical field of automatic conveying equipment. The control system mainly comprises a rail device, a moving body, an electrical frequency conversion device, a data wave carrier, a main controller and a primary cable; wherein, the primary cable is arranged on the rail device; the output end of the electrical frequency conversion device is connected with the input end of the data wave carrier; the output end of the data wave carrier is connected with the primary cable; and the output end of the main controller is connected with the data wave carrier. The moving body is provided with a current collector, a data conveyer, an auxiliary controller, a sensor and a driving device. A communication data carrier wave signal is loaded on a noncontact power supply cable, the function of noncontact-type power supply by the moving body and the function of noncontact-type two-way data communication are realized at the same time, thus simplifying the machinery structure of the control device of the conveying device, avoiding the multifarious wirings, improving the reliability of the control device, facilitating the upgrade and reconstruction of the conveying device, so that the conveying device meets the high requirement from places.
Description
Technical field
The utility model relates to a kind of control system of rail type conveyer, specifically belongs to technical field of automation conveying equipment.
Background technology
Guide tracked load transfer device is a kind of automation delivery system, be loaded on the transport trolley by the material that will produce, need to carry in the process such as storage, controlling transport trolley then carries out lifting, conveying, carrying, amasss operations such as putting storage, automatic shunting interflow, transport trolley can carry out automation control according to operating order according to the technological process of setting on different work station points.Guide tracked load transfer device is widely used in products such as household electrical appliance, light industry, machine manufacture, car assembling, parts assembling and organizes automated productin line.Owing on the dolly parts such as control convenience, drive motor, detecting sensor are installed, therefore need power to moving body; Simultaneously, also need master controller inquiry in real time and each travelling car of dispatcher's control to move when a plurality of dollies exist, therefore need the real-time Communication for Power function of realization and moving body.In the present guide tracked load transfer device, substantially all be to adopt trolley and cable-pulling chain mode to realize moving power supply and communicating by letter.It is on each travelling car brush to be installed that trolley moves power supply, is covered with conductive copper sheet along guide rail, when travelling car moves, keeps brush to contact with copper sheet all the time.Power supply is received the copper sheet on the guide rail, realizes the travelling car power supply.The cable-pulling chain mode is to be directly connected on the travelling car by supply cable and communication cable, and cable is along with travelling car drags when dolly moves.
Along with the raising of technical development and degree of automation, WLAN (WiFi) communication technology and radio-frequency technique (RFID) begin to be used to realize the communication function of moving body and master controller, have realized contactless moving body and control system communication function.
Traditional as can be seen track load transfer device mainly contains following shortcoming:
1, use slide wire power supply to drive, the slipping contact wire device of installing on the track is exposed to potential safety hazard in the air, and wear of brush needs periodical maintenance, and brush can produce spark simultaneously, dust can't use equipment under some high clean explosion-proof environment.
2, use the trolley mode to communicate by letter,, often have data to interrupt and lose, influence the reliability of the control of system because contact is unstable.
3, the cable-pulling chain mode is not useable for the application under a plurality of travelling cars and the long guideway mode.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby provide a kind of control system of rail type conveyer, employing loads the communication data carrier signal in contactlessly powered cable, realize contactless moving body power supply and contactless bidirectional data communication function simultaneously, simplify the physical construction of load transfer device control setup, avoid numerous and diverse wiring, improve the reliability of control setup, make load transfer device be easy to upgrading, reconstruct, make load transfer device satisfy the needs of high request occasion.
The technical scheme that provides according to the utility model, it mainly comprises track-type facilities, moving body, feature is also to comprise electric power converter plant, data carrier device, master controller and primary cable, described primary cable is installed on the rail set, electric power converter plant mouth is connected with data carrier device input end, data carrier device mouth is connected with primary cable, and the master controller communication interface connects data carrier device communication interface; Current collector, data link, slave controller, sensor and actuating device are installed on the described moving body; The current collector mouth connects the power input of slave controller, and the sensor mouth connects slave controller, and the data link mouth connects the slave controller communication interface, and the slave controller mouth connects actuating device;
Described electric power converter plant carries out the power frequency electrical source of power behind frequency conversion and the resonance energy to be loaded in the primary cable, primary cable is by behind the data carrier device, and the data carrier device is loaded into primary cable with the data of master controller FPDP and the signal of communication mode by carrier wave; The current collector energy in the primary cable of inducting is realized the contactless conveying of electric energy;
Loaded the data communication carrier signal by the data carrier device in the described primary cable, the data link carrier signal in the primary cable of inducting realizes the noncontact bi-directional of data;
Electric power on the described moving body in the current collector inductive primary cable and conversion are output as equipment provides power power-supply;
Described data link sensed data carrier signal is handled through modulation, obtains data, realizes the two-way real-time asynchronous data transfer of data carrier device and data link end;
Described master controller sends scheduling and controllable function that moving body is finished in instruction for all slave controllers.
Described electric power converter plant comprises rectifier, control circuit, driving tube, filter, isolating transformer, resonant capacitance; The output of rectifier connects the input end of driving tube, the mouth of driving tube is connected to the input end of filter, the output of filter connects the primary winding of isolating transformer, and the output primary two ends of isolating transformer are the capacitor C 1 and capacitor C 2 outputs of series resonance electric capacity respectively.
Described electric power converter plant will be imported power frequency supply, and filtering becomes direct current (DC) through rectifier rectification, then through becoming high-frequency alternating current after control circuit and the driving tube variable frequency control, through behind the filter, isolate by isolating transformer again, through resonant capacitance resonance, high-frequency currents is transported in the primary cable.
Current collector can adopt two or more in the described moving body, and the output-parallel of two or more current collectors is externally powered.
Described data link is made of antenna and modem.
Described track-type facilities comprises tangible track and the invisible sign that is used to lead.
Compared with the prior art the utility model has the following advantages:
The utility model is installed primary cable on track-type facilities, by the electric power converter plant power frequency supply being become high-frequency currents is transported on the primary cable, be loaded on the primary cable after the data modulation by the data carrier device, current collector generates electrical source of power, data link induction carrier signal is obtained data simultaneously, realizes non-contacting moving body power supply and non-contacting mobile communicating function on load transfer device.Simplify the structure of control setup, replaced trolley and drag chain, realize high cleaning, do not have the mobile power supply that grinds, do not have electro spark, feedway can be used between dust-free workshop, hoolivan, and be easy to upgrading, reconstruct; Guarantee reliable communication between the master and slave controller by the contactless communication function.
Description of drawings
Fig. 1 is the utility model control system frame principle figure.
Fig. 2 is the contactlessly powered hardware of the utility model (electric power converter plant) structure principle chart.
Fig. 3 is the utility model contactless communication hardware (data link) structure principle chart.
Fig. 4 the utility model (embodiment) control system frame principle figure.
The specific embodiment
Embodiment during following the utility model is incited somebody to action in conjunction with the accompanying drawings is further described:
As shown in Figure 1, comprise track-type facilities 1, moving body (travelling car) 2, electric power converter plant 3, data link 4, master controller 5, slave controller 21, current collector 22, data link 23, sensor 24 and actuating device 25.
The utility model comprises track-type facilities 1 and is supported and be directed at moving body (travelling car) 2 formations that move freely on certain path by this track-type facilities 1, also comprises electric power converter plant 3, data carrier device 4, master controller 5 and primary cable 11.Installed on the track-type facilities 1 and be used to power and the primary cable 11 of communicating by letter, primary cable 11 uses supports to fix, and makes between two lines and between line and the guide rail to keep certain distance.Electric power converter plant 3 (cabinet) cabinet input power frequency supply, through frequency conversion and resonance, in primary cable 11, produce the electric current of high frequency, the cable that electric power converter plant 3 comes out needs and enters together the input end of data carrier device 4, connect the primary cable 11 that track-type facilities 1 is installed from the output of data carrier device 4, primary cable 11 terminal short circuits constitute closed loop together.The carrier signal that data carrier device 4 can obtain on the primary cable 11 converts data output to, be loaded on the primary cable 11 through overcutting with data, with the data double-way translation function of carrier signal and FPDP in the primary cable 11 on the realization guide rail input port.
Described moving body (travelling car) the 2nd, the actual fed parts of load transfer device are equipped with current collector 22, data link 23, slave controller 21 on the moving body 2, and sensor 24 and actuating device 25.The close primary cable 11 in current collector 22 positions, but do not contact primary cable 11, the high-frequency currents in the primary cable of inducting 11 produces electrical source of power output, gives mounted component power supply on the moving body 2.Data carrier device 23 is output as the RS485 interface of standard, is connected to the RS485 interface of slave controller 21.Slave controller 21 can connect sensor 24 and be used to detect moving body 2 positions.Actuating device 25 is made of frequency converter and motor, also can directly use the contactor control motor.
Loaded the data communication carrier signal by data carrier device 4 in the described primary cable 11, data link 23 carrier signal in the primary cable 11 of inducting realizes the bi-directional of data; Described electric power converter plant 3 is loaded into energy in the primary cable 11, and current collector 22 energy in the primary cable 11 of inducting is realized the contactless conveying of electric energy; Described slave controller 21 is communicated by letter with master controller 5 by data link 23.
As shown in Figure 2, described electric power converter plant 3 comprises rectifier 31, control circuit 32, driving tube 33, filter 34, isolating transformer 35, resonant capacitance 36; Wherein, (anode of diode D1, D2, D3 is corresponding respectively to be connected on the negative electrode of diode D4, D5, D6 rectifier 31, and the negative electrode of diode D1, D2, D3 connects together the output cathode as rectifier 31 by the full-bridge filter circuit by diode D1～D6; Diode D4, D5, the anode of D6 connects together the output negative pole as rectifier 31) connect and compose, driving tube 33 is formed (field effect driving tube M1 by field effect driving tube M1～M4, the S utmost point of M2 correspondence respectively is connected to field effect driving tube M3, the D utmost point of M4, field effect driving tube M1, the D utmost point of M2 connects together as power supply to be imported, field effect driving tube M3, the S utmost point of M4 connects together as power supply to be imported, the G utmost point of field effect driving tube M1～M4 is connected on the signal output of control circuit 32), the output of rectifier connects the input end of driving tube 33, the mouth of driving tube 33 is connected to the input end of filter 34, the output of filter 34 connects the primary winding of isolating transformer 35, and the output primary two ends of isolating transformer 35 are the capacitor C 1 and capacitor C 2 outputs of series resonance electric capacity 36 respectively.
Described electric power converter plant 3 will be imported power frequency supply and become direct current (DC) through rectifier 31 rectifying and wave-filterings, become high frequency (about 20KHz) alternating current after passing through control circuit 32 (main constituent elements is DSP process chip TMS320F2812 and high-speed isolated optocoupler 6N137) and driving tube 33 variable frequency control then, through behind the filter 34, isolate by isolating transformer 35 again, isolate after back output connects resonant capacitance high-frequency currents is transported in the primary cable 11.
As shown in Figure 3, contactless communication function described in the utility model realizes being made up of data link 23, data carrier device 4, primary cable lead 11.Data carrier device 4 has the RS485 interface of a standard, and the data that RS485 receives are sensed after overcutting in the primary cable 11, and at this, primary cable is equivalent to " antenna ".Data link 23 is made up of antenna and adjustment demoder (modulation module), and the general data transmitter has 2 antennas, through place, track slit, guarantees to have all the time an antenna near primary cable 11 like this, can improve the reliability of communication like this.Behind the signal of communication in the antenna induction primary cable 11 of data link 23,, convert the RS485 interface output data of standard again to through after the demodulation.Simultaneously, after the RS485 interface of data link 23 is received data, after the modulation of modulation module, go out, after elementary cable 11 is sensed signal, by demodulation, obtain data and export from the RS485 mouth at data carrier device 4 signals by antenna transmission.Thereby realize non-contacting data double-way asynchronous transmission.The utility model is not got rid of, and adopts other interfaces outside the RS485 to carry out data communication.
As shown in Figure 4, as a specific embodiment of the present utility model, master controller 5 described in the utility model is to change the RS485 module by computing machine and RS232 to constitute among Fig. 1.Module with the RS232 interface conversion of computing machine become can with data carrier device 4 direct coupled RS485 interfaces, realize data communication.
The form of the RS485 interface of data carrier device 4 is: 1 start bit, 1 stop bit, 8 data bit, 1 check bit.And the physical structure of frequency converter LeCom is the RS485 standard, but its protocol format is: 1 start bit, 1 stop bit, 7 data bit, 1 check bit.So the frequency converter that the output of data link 23 can not direct connection Lenze must be changed the back by slave controller 21 and realize.
The slave controller 21 of the utility model embodiment, adopt the NXP2214 exploitation, NXP2214 is based on a microprocessor of ARM framework, and inner integrated 2 serial ports are designed to the LeCom port that RS485 connects data link 23 and Lence frequency converter respectively with two serial ports of NXP2214.Programming realizes the data bit transition of agreement.
Its working process is: upper computer sends the call format of control command according to RS485.In these data of data link 23 output of moving body 2, slave controller 21 is according to these data, the startup by LeCom interface control frequency converter, stop, rotating and speed change, drive the travelling car orbital motion.
Working process of the present utility model is as follows: electric power converter plant 3 is transported to the electric current that power frequency supply is transformed into high frequency in the primary cable 11, generates electrical source of power at the current collector 22 of moving body end and gives each parts power supply on the moving body 2.Data link 23 and data carrier device 4 are finished extraction and the loading to the carrier signal on the primary cable 11, thereby the data-interface of realization data carrier device 4 is to the direct transparent data-transformation facility of the data-interface of data link 23.Power supply of contactless moving body and contactless communication function have more than been realized, in orbit mobile of moving body 2 with very convenient.Slave controller 21 detects the information such as current location of moving bodys by its bonded assembly sensor 24, and the status signal of this moving body 2 is sent to master controller 5 ends by data link 23; Master controller 5 is according to the state of moving body, and the control data order that sends the chief minister's seal is to data carrier device 4, and after slave controller 21 received this data command by data link 23, accessory drive 25 started, stops, advancing, retreat etc.Master controller 5 can be controlled a plurality of moving bodys simultaneously.
The utility model is not got rid of the moving body IO interface and is connected other automation mechanized operation mechanism or sensors.The utility model track-type facilities 1 comprises tangible track and the invisible sign that is used to lead.
Claims (5)
1, a kind of control system of rail type conveyer, comprise track-type facilities (1), moving body (2), it is characterized in that also comprising electric power converter plant (3), data carrier device (4), master controller (5) and primary cable (11), described primary cable (11) is installed on the rail set (1), electric power converter plant (3) mouth is connected with data carrier device (4) input end, data carrier device (4) mouth is connected with primary cable (11), and master controller (5) communication interface connects the communication interface of data carrier device (4); Described moving body (2) is gone up current collector (22), data link (23), slave controller (21), sensor (24) and actuating device (25) is installed; Current collector (22) mouth connects the power input of slave controller (21), sensor (24) mouth connects slave controller (21), data link (23) mouth connects slave controller (21) communication interface, and slave controller (21) mouth connects actuating device (25);
Described electric power converter plant (3) carries out the power frequency electrical source of power to be loaded in the primary cable (11) behind frequency conversion and the resonance, primary cable (11) is by behind the data carrier device (4), and data carrier device (4) is loaded into primary cable (11) with the data of master controller (5) FPDP and the signal of communication mode by carrier wave; Current collector (22) energy in the primary cable (11) of inducting is realized the contactless conveying of electric energy;
Loaded the data communication carrier signal by data carrier device (4) in the described primary cable (11), data link (23) carrier signal in the primary cable (11) of inducting realizes the noncontact bi-directional of data;
Electric power in last current collector (22) the inductive primary cable (11) of described moving body (2) and conversion are output as equipment provides power power-supply;
Described data link (23) sensed data carrier signal is handled through modulation, obtains data, realizes the two-way real-time asynchronous data transfer of data carrier device and data link end;
Described master controller (5) sends scheduling and controllable function that moving body (2) is finished in instruction for all slave controllers (21).
2, the control system of rail type conveyer according to claim 1 is characterized in that described electric power converter plant (3) comprises rectifier (31), control circuit (32), driving tube (33), filter (34), isolating transformer (35), resonant capacitance (36); The output of rectifier (31) connects the input end of driving tube (33), the mouth of driving tube (33) is connected to the input end of filter (34), the output of filter (34) connects the primary winding of isolating transformer (35), and the output primary two ends of isolating transformer (35) are the electric capacity (C1) and electric capacity (C2) output of series resonance electric capacity (36) respectively;
Described electric power converter plant (3) will be imported power frequency supply and become direct current (DC) through rectifier (31) rectifying and wave-filtering, become high-frequency alternating current after passing through control circuit (32) and driving tube (33) variable frequency control then, behind filter (34), isolate by isolating transformer (35) again, through resonant capacitance (36) resonance, high-frequency currents is transported in the primary cable (11).
3, the control system of rail type conveyer according to claim 1 is characterized in that current collector (22) can adopt two or more in the described moving body (2), and the output-parallel of two or more current collectors (22) is externally powered.
4, the control system of rail type conveyer according to claim 1 is characterized in that described data link (23) is made of antenna and modem.
5, the control system of rail type conveyer according to claim 1 is characterized in that described track-type facilities (1) comprises tangible track and the invisible sign that is used to lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200395241U CN201284148Y (en) | 2008-08-30 | 2008-08-30 | Control system for rail type conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200395241U CN201284148Y (en) | 2008-08-30 | 2008-08-30 | Control system for rail type conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201284148Y true CN201284148Y (en) | 2009-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200395241U Expired - Lifetime CN201284148Y (en) | 2008-08-30 | 2008-08-30 | Control system for rail type conveyor |
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| CN (1) | CN201284148Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107344670A (en) * | 2017-07-19 | 2017-11-14 | 杭州师范大学钱江学院 | A kind of goods automatic transporting method |
-
2008
- 2008-08-30 CN CNU2008200395241U patent/CN201284148Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107344670A (en) * | 2017-07-19 | 2017-11-14 | 杭州师范大学钱江学院 | A kind of goods automatic transporting method |
| CN107344670B (en) * | 2017-07-19 | 2019-04-09 | 杭州师范大学钱江学院 | A kind of cargo automatic transporting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090805 Effective date of abandoning: 20080830 |