CN202383505U - Remotely controllable frequency converter, and remote control system and remote control device for same - Google Patents
Remotely controllable frequency converter, and remote control system and remote control device for same Download PDFInfo
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- CN202383505U CN202383505U CN2011205578999U CN201120557899U CN202383505U CN 202383505 U CN202383505 U CN 202383505U CN 2011205578999 U CN2011205578999 U CN 2011205578999U CN 201120557899 U CN201120557899 U CN 201120557899U CN 202383505 U CN202383505 U CN 202383505U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model relates to a remotely controllable frequency converter and a remote control system for the same. The remote control system comprises the frequency converter, a wireless communication network and a control terminal, and the frequency converter comprises a first input module, a second input module, a local control module, a remote signal processing module and an input switching module, wherein the first input module is used for generating operation instructions according to user input, the second input module is used for generating abnormal operation instructions, the local control module is used for controlling operation of the frequency converter, the remote signal processing module is used for receiving remote control signals through a wireless communication network, and the input switching module is used for switching input of the local control module according to the remote control signals. The utility model further relates to a remote control device for the frequency converter. As the control terminal is connected with the local control module of the frequency converter through the wireless communication network, the remote control system is particularly applicable to construction places needing to control and monitor the frequency converter in real time, and real-time remote control of the frequency converter by a mobile phone is realized.
Description
Technical field
The utility model relates to VFC, particularly a kind of frequency converter tele-control system, device and remote controlled frequency converter.
Background technology
Along with the development of Power Electronic Technique, microelectric technique and control theory, variable-frequency control technique has been widely applied to Motor Control Field.Frequency converter is by the computer control power electronic devices, industrial-frequency alternating current is become the electrical equipment of the adjustable three-phase alternating current of frequency and voltage, carries out the frequency control of continuously smooth in order to drive AC motor.The development of China's frequency converter is started late, and through applying for many years, just gets into " gold period ".Industry-by-industries such as electric power, metallurgy, oil, chemical industry, mineral products, machinery, weaving and urban water supply have been widely used at present; In national economy, play an important role, also to tailored version, hommization, ease for use improve constantly, the development of power structure modularization and intelligent direction.Therefore, in the application of different field different singularity requirements has been arranged also for frequency converter.
At present; In construction elevator, tower machine field; Exist the place that much need carry out remote wireless control and monitoring through frequency converter to working machine: because part construction elevator or tower machine all are to use at the scene through the channel of lease; Lease manufacturer leases to the tenantry with certain price, collects corresponding cost according to the regular hour.But because a variety of causes, some tenantry often malice is in arrears with the lease money of lease manufacturer, and lease manufacturer can not realize control in real time to site operation elevator or tower machine, so just makes lease manufacturer be in very passive position aspect the fund control.
The utility model content
The technical matters that the utility model will solve is, to frequency converter can't Long-distance Control and construction in tenantry's malice problem of being in arrears with the lease money, a kind of frequency converter tele-control system, device and remote controlled frequency converter are provided.
For realizing above-mentioned purpose, the technical scheme that the utility model is taked is:
Construct a kind of frequency converter tele-control system, comprise frequency converter, cordless communication network and pass through cordless communication network and said frequency converter control of communication end; Wherein said control end is used for sending remote control signal through cordless communication network; Said frequency converter comprises and is used for importing the input handover module that first load module, second load module that is used to produce the abnormal operation instruction that produces operational order, the Local Control Module that is used for the running of control of conversion device, remote signal processing module and being used for through cordless communication network receiving remote control signal are switched the input of said Local Control Module according to said remote control signal according to the user, and the input port of wherein said input handover module connects respectively that said first load module is connected said Local Control Module with second load module, output port, control port connects said remote signal processing module.
In the described frequency converter tele-control system of the utility model, said control end is the wireless communication terminal that sends remote control signal with short message mode.
In the described frequency converter tele-control system of the utility model; Said remote signal processing module comprises that being used to receive the communication module of note and being used for said decoding short message is the decoder module of remote control commands, and said decoder module is connected to the control port of said input handover module.
In the described frequency converter tele-control system of the utility model, said remote signal processing module also comprises the authentication module of the note source of said communication module reception being carried out authentication.
In the described frequency converter tele-control system of the utility model, when said input handover module comprises timer and in said timer reaches preset time, do not receive the remote control commands from the remote signal processing module input of said Local Control Module switched to first handover module of second load module by first load module.
In the described frequency converter tele-control system of the utility model, said second load module is the storage unit that stores the abnormal operation instruction.
The utility model also provides a kind of frequency converter remote control; Comprise be used for according to the user import first load module that produces operational order, be used to produce second load module of abnormal operation instruction, from the remote signal processing module of cordless communication network receiving remote control signal and the input handover module that the input of frequency converter is switched according to said remote control signal, the input port of wherein said input handover module connects respectively that said first load module is connected frequency converter with second load module, output port, control port connects said remote signal processing module.
In the described frequency converter remote control of the utility model, when said input handover module comprises timer and in said timer reaches preset time, do not receive the remote control commands from the remote signal processing module input of frequency converter switched to first handover module of second load module by first load module.
The utility model also provides a kind of remote controlled frequency converter; Comprise be used for according to the user import first load module, second load module that is used to produce the abnormal operation instruction that produce operational order, be used for the Local Control Module of control of conversion device running, from the remote signal processing module of cordless communication network receiving remote control signal and the input handover module that the input of said Local Control Module is switched according to said remote control signal, the input port of wherein said input handover module connects respectively that said first load module is connected said Local Control Module with second load module, output port, control port connects said remote signal processing module.
In the described remote controlled frequency converter of the utility model, when said input handover module comprises timer and in said timer reaches preset time, do not receive the remote control commands from the remote signal processing module input of said Local Control Module switched to first handover module of second load module by first load module.
Implement the technical scheme of the utility model; Its beneficial effect is: through the input handover module is set on frequency converter; According to the control signal of control end through the cordless communication network transmission; Frequency converter is carried out the conversion between normal running and abnormal operation, realize through SMS or other correlation means directly to the Long-distance Control of the frequency converter of construction elevator or tower machine etc. by control end.There is being malice to be in arrears with under the situation of amount of money just like the tenantry, in real time tower machine in using or construction elevator taked the restriction instruction, after the tenantry accomplishes payment, again it is being unlocked, recovering the normal use of tower machine or construction elevator by lease manufacturer.Thereby guaranteed to have very strong practicality and application value as the control of lease manufacturer aspect for lease fund and equipment use.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model frequency converter tele-control system embodiment.
Fig. 2 is the detail view of the utility model frequency converter tele-control system medium-long range signal processing module.
Fig. 3 is the detail view of input handover module in the utility model frequency converter tele-control system.
Embodiment
Below, in conjunction with embodiment and accompanying drawing, the utility model is done further to describe and explanation.
As shown in Figure 1; The frequency converter tele-control system of the utility model comprises frequency converter 10, cordless communication network 20 and control end 30, and wherein frequency converter 10 comprises first load module 11, second load module 12, Local Control Module 14, remote signal processing module 15 and input handover module 13.The input port of above-mentioned input handover module 13 connects respectively that first load module 11 is connected Local Control Module 14 with second load module 12, output port, control port connects remote signal processing module 15.Above-mentioned each module can be realized by independent circuit, chip or its combination, also can realize through integrated circuit, chip or its combination.
First load module 11 is used for importing the generation operational order according to the user, for example can comprise operation of equipment case, frequency converter controller etc.Second load module 12 is used to produce abnormal operation instruction, for example can be the storer etc. that stores exception handler or instruction.Local Control Module 14 is used for for example operational order being converted into concrete electric current, voltage signal etc. according to the running of operational order control of conversion device.Remote signal processing module 15 receives control signal from cordless communication network 20, includes remote control commands in the above-mentioned remote control signal.Input handover module 13 is used for when above-mentioned remote signal processing module 15 receives control signal the input of Local Control Module 14 is switched to second load module 12 by first load module 11, promptly switches to unusual control by normal control.
Control end 30 is wireless communication terminal preferably, and this wireless communication terminal sends remote control signal with short message mode.Correspondingly; Remote signal processing module 15 in the native system also must further comprise the communication module 151 work, that be used to receive note that matches with control end 30, comprises also that simultaneously being used for the decoding short message that receives is the decoder module 152 of remote control commands.And the cordless communication network 20 in this frequency converter tele-control system can be in GSM network, cdma network, the GPRS network one or more.
At this, to the prior art problem that is proposed in the background technology, " user " of indication is lease manufacturer in the preceding text.Consider the lease manufacturer of phenomenon amount of money is in arrears with by to(for) tenantry's malice; The utility model has adopted the processing mode of simple and fast the most; Promptly must lease manufacturer as the control end side of controlling; Note through send specified format by cordless communication network 20 arrives assigned number, and this note is received by the communication module in the remote signal processing module 15 151, is remote control commands (as shown in Figure 2) through decoder module 152 with the decoding short message of receiving again.Under normal circumstances, frequency converter produces the normal running instruction by first load module 11, and exports this instruction to Local Control Module 14, and Local Control Module 14 receives this normal running instruction, makes frequency converter keep normal running.
And when the communication module in the remote signal processing module 15 151 receives the note that comprises remote control commands; Decoder module 152 is a remote control commands with this decoding short message; Just can this remote control commands be sent to input handover module 13; Input handover module 13 switches to second load module 12 with the input of Local Control Module 14 by the first original load module 11, and this moment, Local Control Module 14 will be to frequency converter execute exception operational order.
What need special instruction is; Second load module 12 in the frequency converter tele-control system of the utility model is for storing the storage unit of abnormal operation instruction, for example the abnormal operation instruction can for: make frequency converter only slow running can not high-speed cruising, can only just change and can not reverse or time-division operation etc.Like this, with the work that influences frequency converter, and then to causing restriction by the construction tower machine of Frequency Converter Control and the operate as normal of elevator.
Preferably, the remote signal processing module 15 of the utility model should comprise that also the note source that communication module 151 is received carries out the authentication module of authentication, is to come from lease corresponding with it manufacturer to guarantee input handover module 13 received steering orders.Concrete operations are, in the time of in the construction that frequency converter is put into a certain new tenantry is first used, it are carried out the initialization setting, wherein at first comprise phone number that input the authorizes normative reference as authentication module.Thereafter; When the communication module 151 of remote signal processing module 15 receives note each time; All to carry out authentication through authentication module to its source earlier; When the mandate phone number that only when source cell-phone number and initialization, is provided with matches, just note is decoded as discernible switching command through decoder module 152; Otherwise filter out the note that this unauthorized mobile phone is sent, it is not done further processing.Thereby, can avoid interference behaviors etc. of other lease manufacturers, reliability and uniqueness that the lease manufacturer that has also guaranteed to authorize controls power.
In addition, according to the situation that possibly occur in the reality use, preferably, in the utility model frequency converter tele-control system, input handover module 13 also comprises the timer 131 and first handover module 132 (as shown in Figure 3).Specifically; Timer 131 is set; Purpose is the tenantry that will stop the working-yard for phenomenon---preset time span x of the remote signal processing module 15 of the cut-out that possibly take controlling power in real time of frequency converter of removing lease manufacturer and having or frequency converter; When timer 131 reaches preset time x and first handover module 132 when not receiving the remote control commands from remote signal processing module 15 (this moment remote signal processing module 15 possibly removed or damage by the tenantry) always, first handover module 132 promptly automatically switches to second load module 12 with the input of Local Control Module 14 by first load module 11.
Because every separated set time section x will carry out one-time detection to the connection status between remote signal processing module 15 and the input handover module 13; In case communication between the two occurs unusual; Which kind of situation (artificial or unartificial) no matter then; All at once the input of Local Control Module 14 is switched to second load module 12, the various malicious sabotage behaviors of having avoided the tenantry that remote signal processing module 15 is taked effectively make the Long-distance Control service of native system become more to improve and reliable.
In addition; When the user carries out the note order of release through the mobile phone transmission to frequency converter; Decoder module 152 is discernible unlock command with this decoding short message; Send to input handover module 13, input handover module 13 is switched back the input of Local Control Module 14 normal input state (first load module 11) and then is recovered the operate as normal by the working machine (construction elevator or tower machine etc.) of Frequency Converter Control by unusual input state (second load module 12) before again.
The above-mentioned frequency converter tele-control system course of work is following:
The user is when operating this frequency converter tele-control system for the first time; To carry out the device initialize setting earlier---comprise the cell-phone number that mandate is set as authentication, for timer is provided with the time period x that regularly detects the connection status between remote signal processing module 15 and the input handover module 13, and by this parameter of the storage of the reservoir in the Local Control Module 14.After initialization was accomplished, Local Control Module 14 control of conversion device 10 under first load module, 11 states normally moved.
Under the state that frequency converter 10 normally moves; The output state of input handover module 13 pairs of Local Control Module 14 divides two aspects to judge: the one, and whether normal timing is mutual with remote signal processing module 15 to judge input handover module 13; When having normal timing mutual between the two; Then keep Local Control Module 14 control of conversion device 10 under the first load module state normally to move; When the mutual appearance of timing between the two is unusual; First handover module 132 in the input handover module 13 switches to second load module 12 with the input of Local Control Module 14; This moment frequency converter 10 will get in the limited unusual operating condition (this step specifically is to cooperate completion by the timer 131 in the input handover module 13 and first handover module 132: a Preset Time section of timer 131 every mistakes x, promptly remote signal processing module 15 and the connection status imported between the handover module 13 are carried out one-time detection; Normal when mutual when finding not to have between the two, first handover module 132 just switches to second load module 12 with the input of Local Control Module 14, thereby frequency converter 10 entering constrained state are carried out improper work); The 2nd, judge whether remote signal processing module 15 receives control signal; This control signal is from the user side (like the lease manufacturer here) as control end 30 holders; In case remote signal processing module 15 receives switch-over control signal, input handover module 13 just switches to second load module 12 with the input of Local Control Module 14, and frequency converter 10 will get in the limited unusual operating condition this moment; Like " slow running "; " high-speed cruising " etc., concrete note word content can preset according to user operation habits, by the decoder module in the remote signal processing module 15 152 it is decoded as switching command the most at last.
And the input of the Local Control Module 14 in frequency converter 10 is returned initial step usually and is repeated aforesaid deterministic process when keeping the running of first load module 11.
The beneficial effect of implementing the utility model is: between control end 30 and frequency converter Local Control Module 14, adopt cordless communication network to connect; Be particularly useful for the construction site that to control in real time and to keep watch on frequency converter 10; The construction site that realization is carried out real time remote control and kept watch on frequency converter with mobile phone; In case there is the situation of malice debt in lease side; Lease manufacturer can be restricted the operation of tower machine or construction elevator through SMS, as limit its can only low speed can not high-speed cruising reducing its work efficiency, or can only be up can not be descending to realize safe shutdown etc.Can cause lease side to be in unfavorable condition like this, and the cash payment on account of having to, in case payment is accomplished, lease manufacturer can send note or other correlation means equally, to remove the restriction to construction elevator or tower machine, makes it be operated in normal condition.Thereby improved the hommization and the intelligent performance of existing frequency converter, had very strong application value.
In practical application; Can first load module in the above-mentioned frequency converter, second load module, remote signal processing module and input handover module be assembled a frequency converter remote control that is independent of frequency converter; This device is connected to frequency converter and is used for frequency converter is carried out Long-distance Control, and it can directly apply to the equipment that existing crane etc. includes frequency converter.The input port of the input handover module in the above-mentioned frequency converter remote control connects first load module respectively and is connected frequency converter, control port connection remote signal processing module with second load module, output port.
In above-mentioned frequency converter remote control, when the input handover module comprises timer and in timer reaches preset time, do not receive the remote control commands from the remote signal processing module input of frequency converter switched to first handover module of second load module by first load module.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of the utility model accompanying claims according to above-mentioned explanation.
Claims (10)
1. a frequency converter tele-control system is characterized in that: comprise frequency converter, cordless communication network and pass through cordless communication network and said frequency converter control of communication end; Wherein said control end is used for sending remote control signal through cordless communication network; Said frequency converter comprises and is used for importing the input handover module that first load module, second load module that is used to produce the abnormal operation instruction that produces operational order, the Local Control Module that is used for the running of control of conversion device, remote signal processing module and being used for through cordless communication network receiving remote control signal are switched the input of said Local Control Module according to said remote control signal according to the user; The input port of said input handover module connects respectively that said first load module is connected said Local Control Module with second load module, output port, control port connects said remote signal processing module.
2. frequency converter tele-control system according to claim 1 is characterized in that: said control end is for sending the wireless communication terminal of remote control signal with short message mode.
3. frequency converter tele-control system according to claim 2; It is characterized in that: said remote signal processing module comprises that being used to receive the communication module of note and being used for said decoding short message is the decoder module of remote control commands, and said decoder module is connected to the control port of said input handover module.
4. frequency converter tele-control system according to claim 3 is characterized in that: said remote signal processing module also comprises the authentication module of the note source of said communication module reception being carried out authentication.
5. frequency converter tele-control system according to claim 1 is characterized in that: first handover module that when said input handover module comprises timer and in said timer reaches preset time, do not receive the remote control commands from the remote signal processing module input of said Local Control Module is switched to second load module by first load module.
6. frequency converter tele-control system according to claim 1 is characterized in that: said second load module is the storage unit that stores the abnormal operation instruction.
7. frequency converter remote control; It is characterized in that: comprise be used for according to the user import first load module that produces operational order, be used to produce second load module of abnormal operation instruction, from the remote signal processing module of cordless communication network receiving remote control signal and the input handover module that the input of frequency converter is switched according to said remote control signal, the input port of wherein said input handover module connects respectively that said first load module is connected frequency converter with second load module, output port, control port connects said remote signal processing module.
8. frequency converter remote control according to claim 7 is characterized in that: first handover module that when said input handover module comprises timer and in said timer reaches preset time, do not receive the remote control commands from the remote signal processing module input of frequency converter is switched to second load module by first load module.
9. remote controlled frequency converter; It is characterized in that: comprise be used for according to the user import first load module, second load module that is used to produce the abnormal operation instruction that produce operational order, be used for the Local Control Module of control of conversion device running, from the remote signal processing module of cordless communication network receiving remote control signal and the input handover module that the input of said Local Control Module is switched according to said remote control signal, the input port of wherein said input handover module connects respectively that said first load module is connected said Local Control Module with second load module, output port, control port connects said remote signal processing module.
10. remote controlled frequency converter according to claim 9 is characterized in that: first handover module that when said input handover module comprises timer and in said timer reaches preset time, do not receive the remote control commands from the remote signal processing module input of said Local Control Module is switched to second load module by first load module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205578999U CN202383505U (en) | 2011-12-28 | 2011-12-28 | Remotely controllable frequency converter, and remote control system and remote control device for same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205578999U CN202383505U (en) | 2011-12-28 | 2011-12-28 | Remotely controllable frequency converter, and remote control system and remote control device for same |
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| Publication Number | Publication Date |
|---|---|
| CN202383505U true CN202383505U (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205578999U Expired - Lifetime CN202383505U (en) | 2011-12-28 | 2011-12-28 | Remotely controllable frequency converter, and remote control system and remote control device for same |
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| CN (1) | CN202383505U (en) |
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2011
- 2011-12-28 CN CN2011205578999U patent/CN202383505U/en not_active Expired - Lifetime
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| GR01 | Patent grant | ||
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Effective date of registration: 20160304 Address after: Wuzhong District Wuzhong Economic Development Zone, Suzhou City, Jiangsu province 215000 Wang Xiang Shan Industrial Park Road on the north side of friends Patentee after: Suzhou Huichuan Technology Co.,Ltd. Patentee after: Shenzhen Inovance Technology Co., Ltd. Address before: Suzhou City, Jiangsu province 215006 Industrial Park Road No. 25 Tak Industrial Park Building 3 Huichuan Patentee before: Suzhou Monarch Control Technology Co., Ltd. Patentee before: Suzhou Huichuan Technology Co.,Ltd. Patentee before: Shenzhen Inovance Technology Co., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |