CN203025541U - Remote control device of high-voltage frequency converter - Google Patents
Remote control device of high-voltage frequency converter Download PDFInfo
- Publication number
- CN203025541U CN203025541U CN2012207079557U CN201220707955U CN203025541U CN 203025541 U CN203025541 U CN 203025541U CN 2012207079557 U CN2012207079557 U CN 2012207079557U CN 201220707955 U CN201220707955 U CN 201220707955U CN 203025541 U CN203025541 U CN 203025541U
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- interface
- circuit
- switching value
- isolation circuit
- analog quantity
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model relates to a remote control device of a high-voltage frequency converter, which comprises a central processing unit (CPU) processor, an analog quantity input processing circuit, an analog quantity output processing circuit, a switching-value input isolation circuit, a switching-value output isolation circuit, a liquid crystal display (LCD) display screen, a light emitting diode (LED) indicator lamp, a control key, an analog quantity interface, a switching value input interface, a switching value output interface, a communication interface and a power supply circuit, wherein the analog quantity input processing circuit, the analog quantity output processing circuit, the switching-value input isolation circuit, the switching-value output isolation circuit, the LCD display screen, the LED indicator lamp and the control key are connected with the CPU processor, the analog quantity interface is connected with the analog quantity input processing circuit and the analog quantity output processing circuit, the switching value input interface and the switching value output interface are respectively connected with the switching-value input isolation circuit and the switching-value output isolation circuit, and the power supply circuit is electrically connected with the CPU processor. The remote control device is connected with the high-voltage frequency converter through a cable, the wire distribution is easy, and the interference resistance is high.
Description
[technical field]
The utility model belongs to power electronics control technology field, relates in particular to a kind of high voltage converter remote control.
[background technology]
At present, at blower fan and the load of the pumps of the industry widespread uses such as metallurgy, chemical industry, electric power, municipal water supply and mining, account for 40% left and right of whole consumer energy consumption.Along with the enhancing of social energy conservation consciousness, high voltage converter has obtained being widely used in blower fan and load of the pumps, and this is the inexorable trend of sustainable development.A large amount of uses of high voltage converter, for the user has saved a large amount of electric energy, the while also provides good opportunity to develop for the manufacturer of high voltage converter.
the control signal of existing high voltage converter is all from the output of complete machine switch board and customer-side interface, comprising startup, stop, reset, suddenly stop, control command and the operation such as chain, standby, fault, the status informations such as warning, and the given frequency of user, on-the-spot feedback quantity, working voltage, running current, the analog quantity informations such as running frequency, comprise a large amount of information, need a large amount of cables that these signals are connected to user side control system (user DCS system), connect up cumbersome, complicated, inconvenient, the cable consumptive material is many, expense is high, and the middle electromagnetic interference (EMI) that inevitably can be subject to the scene, affect the normal transmission of signal.
[utility model content]
In order to solve the above-mentioned technical matters that exists in prior art, the utility model provides a kind of need to be connected with the high voltage converter conducting by a cable, wiring is easily simple, expending of cable is few, the wiring expense is low, and can improve the anti-interference of system, stable signal transmission, high voltage converter remote control accurately.
The technical scheme that the prior art problem that solves the utility model adopts is:
a kind of high voltage converter remote control includes the CPU processor, the analog input treatment circuit, the analog output treatment circuit, the switching value input isolation circuit, the switching value output isolation circuit, LCD display, LED light and control button, and one be used for the analog quantity interface that is connected with the user side control system, switch value input interface and switching value output interface, one for the communication interface that is connected with the conducting of external high pressure frequency converter, and one is used for being electrically connected to outside 220V power supply the also power circuit of input service power supply, described analog input treatment circuit, the analog output treatment circuit, the switching value input isolation circuit, the switching value output isolation circuit, LCD display, LED light be connected button and all be connected with the conducting of described CPU processor, conducting is connected described analog quantity interface with the analog output treatment circuit with described analog input treatment circuit, described switch value input interface is connected with the switching value output interface that conducting is connected with the switching value output isolation circuit with described switching value input isolation circuit, and described power circuit is electrically connected to described CPU processor.
Further, described switching value input isolation circuit is that described switching value output isolation circuit is relay by the isolation optical coupler.
further, this control device includes master control board, analog quantity disposable plates and interface board, described CUP processor, LCD display, LED light and control button and communication interface are located in described master control board, described analog input treatment circuit, analog output treatment circuit and power circuit are located on described analog quantity disposable plates, described analog quantity interface, the switching value input isolation circuit, the switching value output isolation circuit, switch value input interface and switching value output interface are located on described interface board, and also be provided with interface conversion circuit on described analog quantity disposable plates, the one end is connected with the conducting of described CPU processor, conducting is connected the other end with the switching value output isolation circuit with described switching value input isolation circuit.
The beneficial effects of the utility model:
The utility model technique scheme, can directly be put in user pulpit or DCS communication counter during use, only be connected with the high voltage converter conducting by a cable, and carry out communication with its main frame, realize both sides' message exchange, the control signal that the user needs directly obtains from this device, alleviated widely the workload of field wiring, wiring is easily simple, reduced simultaneously expending of cable, reduced the wiring expense, and avoided the situation of phase mutual interference between cable to occur, improved the anti-interference of system, the signal transmission is more stable, more accurate.
In addition, each building block is located at respectively on master control board, analog quantity disposable plates and interface board, production difficulty is little, and malfunction elimination and maintenance are easily, conveniently.
[description of drawings]
Fig. 1 is the structural representation block diagram of a kind of high voltage converter remote control embodiment one described in the utility model;
Fig. 2 is the structural representation block diagram of a kind of high voltage converter remote control embodiment two described in the utility model.
[embodiment]
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Embodiment one:
as shown in fig. 1, the utility model provides a kind of high voltage converter remote control, include CPU processor 1, analog input treatment circuit 2, analog output treatment circuit 3, switching value input isolation circuit 4, switching value output isolation circuit 5, LCD display 6, LED light 7 and control button 8, and one be used for the analog quantity interface 9 be connected with the user side control system, switch value input interface 10 and switching value output interface 11, one is used for by the communication interface 12 that cable is connected with the conducting of external high pressure frequency converter, one is used for being electrically connected to outside 220V power supply the also power circuit 13 of input service power supply, described analog input treatment circuit 2, analog output treatment circuit 3, switching value input isolation circuit 4, switching value output isolation circuit 5, LCD display 6, LED light 7 be connected button 8 and all be connected with 1 conducting of CPU processor, and switching value input isolation circuit 4 is by the isolation optical coupler, switching value output isolation circuit 5 is relays, described analog quantity interface 9 is connected conducting and is connected with the analog output treatment circuit with analog input treatment circuit 2, described switch value input interface 10 is connected with the switching value output interface and is connected respectively conducting with switching value input isolation circuit 4 with the switching value output isolation circuit and is connected, and described power circuit 13 is electrically connected to CPU processor 1.Wherein, described CPU processor 1 is mainly used in the control of each building block and the processing of data message, realize man-machine interface, communication front-end processing, described analog input treatment circuit 2 and analog output treatment circuit 3 are mainly used in Isolation input and the isolation output of analog quantity, and described switching value input isolation circuit 4 and switching value output isolation circuit 5 are mainly used in realizing the isolation processing of switching value input and output.
when high voltage converter remote control described in the utility model uses, directly be put in user pulpit or DCS communication counter, be connected with the high voltage converter conducting by a cable, and carry out communication with its main frame, realize both sides' message exchange, be specially: at first this high voltage converter remote control collects the running status of high voltage converter by communication interface 12, then after processing, CPU processor 1 changes into switching value signal and analog signals, then respectively through switching value output isolation circuit 5 and switching value output interface 11, analog output treatment circuit 3 and analog quantity interface 9, with the user side control system, thereby user side can obtain the operation information of high voltage converter, again then the given signal of user side control system and control command after the CPU processor 1 that switching value input isolation circuit 4 and switch value input interface 10, analog input treatment circuit 2 and analog quantity interface 9 transfer to this high voltage converter remote control carries out respective handling, organize your messages, be transferred to high voltage converter finally by communication interface 12, realize the control to high voltage converter.Like this, this high voltage converter remote control only is connected with the high voltage converter conducting by a cable, alleviated widely the workload of field wiring, wiring is easily simple, reduce simultaneously expending of cable, reduced the wiring expense, and avoided the situation of phase mutual interference between cable to occur, the anti-interference of raising system, the signal transmission is more stable, more accurate.
Embodiment two:
as shown in Figure 2, the described high-pressure frequency-conversion of the utility model embodiment two control device far away, its structure and embodiment one are basic identical, include CPU processor 1, analog input treatment circuit 2, analog output treatment circuit 3, switching value input isolation circuit 4, switching value output isolation circuit 5, LCD display 6, LED light 7, control button 8, analog quantity interface 9, switch value input interface 10, switching value output interface 11, communication interface 12 and power circuit 13, its difference is, this device also includes master control board 100, analog quantity disposable plates 200 and interface board 300, described CUP processor 1, LCD display 6, LED light 7 and control button 8 and communication interface 12 are located in master control board 100, described analog input treatment circuit 2, analog output treatment circuit 3 and power circuit 13 are located on analog quantity disposable plates 200, described analog quantity interface 9, switching value input isolation circuit 4, switching value output isolation circuit 5, switch value input interface 10 and switching value output interface 11 are located on interface board 300, and also be provided with interface conversion circuit 14 on analog quantity disposable plates 200, the one end is connected with 11 conductings of CPU processor, the other end is connected conducting and is connected with the switching value output isolation circuit with switching value input isolation circuit 4.Like this, each building block is located at respectively on master control board 100, analog quantity disposable plates 200 and interface board 300, production difficulty is little, and malfunction elimination and maintenance are easily, conveniently.
Above content is in conjunction with concrete optimal technical scheme further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (3)
1. high voltage converter remote control, it is characterized in that: include CPU processor (1), analog input treatment circuit (2), analog output treatment circuit (3), switching value input isolation circuit (4), switching value output isolation circuit (5), LCD display (6), LED light (7) and control button (8), and one be used for the analog quantity interface (9) be connected with the user side control system, switch value input interface (10) and switching value output interface (11), one for the communication interface (12) that is connected with the conducting of external high pressure frequency converter, one is used for being electrically connected to outside 220V power supply the also power circuit (13) of input service power supply, described analog input treatment circuit (2), analog output treatment circuit (3), switching value input isolation circuit (4), switching value output isolation circuit (5), LCD display (6), LED light (7) be connected button (8) and all be connected with described CPU processor (1) conducting, described analog quantity interface (9) is connected 3 with described analog input treatment circuit (2) with the analog output treatment circuit) conducting is connected, described switch value input interface (10) is connected 11 with the switching value output interface) be connected 5 with described switching value input isolation circuit (4) with the switching value output isolation circuit respectively) conducting is connected, described power circuit (13) is electrically connected to described CPU processor (1).
2. high voltage converter remote control according to claim 1 is characterized in that: described switching value input isolation circuit (4) is that described switching value output isolation circuit (5) is relay by the isolation optical coupler.
3. high voltage converter remote control according to claim 1 and 2, it is characterized in that: this control device includes master control board (100), analog quantity disposable plates (200) and interface board (300), described CPU processor (1), LCD display (6), LED light (7) and control button (8) and communication interface (12) are located in described master control board (100), described analog input treatment circuit (2), analog output treatment circuit (3) and power circuit (13) are located on described analog quantity disposable plates (200), described analog quantity interface (9), switching value input isolation circuit (4), switching value output isolation circuit (5), switch value input interface (10) and switching value output interface (11) are located on described interface board (300), and also be provided with interface conversion circuit (14) on described analog quantity disposable plates (200), the one end is connected with described CPU processor (11) conducting, the other end is connected 5 with described switching value input isolation circuit (4) with the switching value output isolation circuit) conducting is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207079557U CN203025541U (en) | 2012-12-20 | 2012-12-20 | Remote control device of high-voltage frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207079557U CN203025541U (en) | 2012-12-20 | 2012-12-20 | Remote control device of high-voltage frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203025541U true CN203025541U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207079557U Expired - Fee Related CN203025541U (en) | 2012-12-20 | 2012-12-20 | Remote control device of high-voltage frequency converter |
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| Country | Link |
|---|---|
| CN (1) | CN203025541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939376A (en) * | 2014-04-28 | 2014-07-23 | 王敏 | Intelligent draught fan centralized-control box for power grid |
-
2012
- 2012-12-20 CN CN2012207079557U patent/CN203025541U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939376A (en) * | 2014-04-28 | 2014-07-23 | 王敏 | Intelligent draught fan centralized-control box for power grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHUHAI WANLIDA ELECTRICAL AUTOMATION CO., LTD. Free format text: FORMER OWNER: ZHUHAI WANLIDA ELECTRIC CO.,LTD. Effective date: 20140930 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140930 Address after: 519000 Guangdong city of Zhuhai province high tech Zone Technology Innovation Coast technology way Wanlida Relay Protection Technology Park Patentee after: ZHUHAI WANLIDA ELECTRICAL AUTOMATION CO., LTD. Address before: High tech Zone 519000 Guangdong city of Zhuhai province science and Technology Innovation Coast Road Park Wanlida first leave poem Patentee before: Zhuhai Wanlida Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20191220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |