CN105305781A - Control box of frequency converter - Google Patents
Control box of frequency converter Download PDFInfo
- Publication number
- CN105305781A CN105305781A CN201510805529.5A CN201510805529A CN105305781A CN 105305781 A CN105305781 A CN 105305781A CN 201510805529 A CN201510805529 A CN 201510805529A CN 105305781 A CN105305781 A CN 105305781A
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- China
- Prior art keywords
- frequency
- frequency converter
- control box
- power frequency
- contactor
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Abstract
The invention relates to the field of frequency converter control and discloses a control box of a frequency converter. The control box of the frequency converter comprises at least one frequency conversion main loop and at least one power frequency main loop inside the box body as well as an intrinsic-safety touch screen fixed on a box door, wherein each frequency conversion main loop comprises a frequency conversion breaker, an alternating current contactor, the frequency converter and a frequency conversion contactor which are connected in succession, and each intrinsic-safety main loop comprises a power frequency breaker and a power frequency contactor which are connected in succession; and the intrinsic-safety touch screen is connected to signals of the frequency converter, and the intrinsic-safety touch screen is exposed outside the box body. In comparison with the prior art, the control box of the frequency converter disclosed by the invention can directly use a display screen to realize a touch operation in order to adjust the frequency converter and other parameters, can monitor temperatures in the box body and can realize remote monitoring of the frequency converter.
Description
Technical field
The present invention relates to Frequency Converter Control field, particularly a kind of control box for frequency converter.
Background technology
On the chamber door of the control box for frequency converter in current explosion-proof industry, display interface only possesses Presentation Function, and adjustment parameter or need need be opened control cabinet and adjusts on frequency converter behind the door by button; Also without temperature monitoring apparatus in case, internal temperature can not control, and heat radiation inconvenience, affects frequency converter internal component and normally work, even cause inner member to burn when temperature is higher; PLC program in control cabinet can only be undertaken by control cabinet panel, can not carry out remote debugging operation.
Summary of the invention
goal of the invention:for problems of the prior art, the invention provides a kind of control box for frequency converter, display screen directly can be used to carry out touch operation to adjust the parameter of frequency converter, the temperature in casing can be monitored, and Long-distance Control can be carried out to frequency converter.
technical scheme:the invention provides a kind of control box for frequency converter, comprise at least one frequency conversion major loop and at least one power frequency major loop of being positioned at box house, and the intrinsic safety type touch-screen be fixed on chamber door, comprise the frequency conversion circuit breaker, A.C. contactor, frequency converter and the frequency conversion contactor that connect successively in each described frequency conversion major loop, in each described power frequency major loop, comprise the power frequency circuit breaker and power frequency contactor that connect successively; Described intrinsic safety type touch-screen is connected with described frequency converter signal, and described intrinsic safety type touch-screen is exposed to described casing outside.
Further, described control box for frequency converter also comprises explosion-proof air-conditioner, and described explosion-proof air-conditioner is fixed on the lateral wall of described casing, is communicated with described box house by explosion-proof air-conditioner described in perforate on described lateral wall.The part that explosion-proof air-conditioner is installed has perforate to communicate with box house, explosion-proof air-conditioner be arranged so that the temperature in casing can adjust to frequency converter range of safety operation in time, ensure the normal work of the inner each components and parts of frequency converter, prevent frequency converting element overheating fault or burn out.
Further, described control box for frequency converter also comprises the PLC with modem module, described PLC is fixed in described casing, and described PLC is connected with described frequency converter and described intrinsic safety type touch screen signal, and by described modem module and external client's end communication.The PLC with modulation /demodulation module make frequency converter can with remote client's end communication, by work and the operation of Terminal Server Client remote monitoring frequency converter.
Preferably, described PLC is also connected with described explosion-proof air-conditioner signal.PLC can Real-Time Monitoring explosion-proof air-conditioner parameter and parameter is sent to external client for user monitoring.
Preferably, described modem module is by Ethernet and external client's end communication.
Further, also comprise power frequency protection device in described power frequency major loop, described power frequency circuit breaker, power frequency contactor and described power frequency protection device connect successively.Power frequency protection device can have the work safety of available protecting power frequency major loop.
beneficial effect:intrinsic safety type touch-screen in this control box for frequency converter can be connected with frequency converter signal, casing outside can be exposed to again, like this user just can directly by regulating the parameter of frequency converter to the touch operation of this intrinsic safety type touch-screen, be compared to display location of the prior art to observe the parameter on it in box house, user, want regulating parameter can only the sunk key in outer portion, the present invention operates more convenient; Secondly the installation of explosion-proof air-conditioner makes the temperature-controllable of box house, is convenient to the temperature of box house to control within the scope of frequency converter safe working temperature, prevents frequency converter Yin Wendu too high and produce overheated or burn out danger; PLC in addition in the present invention has modem module, can by Ethernet by the parameter transmission on frequency converter to Terminal Server Client, client can carry out Long-distance Control by modem module to frequency converter again, is convenient to the operation of user's remote monitoring frequency converter.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of control box for frequency converter in the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Present embodiments provide for a kind of control box for frequency converter, as shown in Figure 1, a frequency conversion major loop and a power frequency major loop is comprised in casing, comprise in frequency conversion major loop connect successively frequency conversion circuit breaker F1, A.C. contactor KM1, frequency converter and frequency conversion contactor KM2, comprise power frequency circuit breaker F2, the power frequency contactor KM3 and power frequency protection device (not shown) that connect successively in power frequency major loop; Above-mentioned frequency conversion contactor KM2 is all connected external motor M with the output of power frequency protection device, after power supply enters, closed frequency conversion circuit breaker F1 and power frequency circuit breaker F2, variable frequency control or industrial frequency control is selected by select button, if selection variable frequency control, then frequency conversion contactor KM2 adhesive, presses A.C. contactor KM1 adhesive after start button, frequency converter is started working, and variable frequency work is carried out in motor M energising; If frequency converter breaks down, frequency conversion major loop cannot work, or have selected industrial frequency control by select button, then frequency conversion contactor KM2 disconnects, and presses power frequency contactor KM3 adhesive after start button, and power frequency work is carried out in motor M energising.
The chamber door of casing is also provided with intrinsic safety type touch-screen, and this intrinsic safety type touch-screen is connected with frequency converter signal, and can be exposed to casing outside; In addition, in order to control the temperature in casing in real time, this control box for frequency converter is also provided with explosion-proof air-conditioner, and this explosion-proof air-conditioner is fixed on the lateral wall of casing, and explosion-proof air-conditioner is communicated with box house by the air louver that casing lateral wall is held successfully; In order to can remote monitoring frequency converter, a PLC with modem module be connected with frequency converter signal can be set in casing, modem module can send the parameters of frequency converter to Terminal Server Client by network, and Terminal Server Client can monitor again the operation of frequency converter by modem module.
Above-mentioned execution mode, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalent transformations of doing according to Spirit Essence of the present invention or modification, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a control box for frequency converter, it is characterized in that, comprise at least one frequency conversion major loop and at least one power frequency major loop of being positioned at box house, and the intrinsic safety type touch-screen be fixed on chamber door, comprise the frequency conversion circuit breaker, A.C. contactor, frequency converter and the frequency conversion contactor that connect successively in each described frequency conversion major loop, in each described power frequency major loop, comprise the power frequency circuit breaker and power frequency contactor that connect successively; Described intrinsic safety type touch-screen is connected with described frequency converter signal, and described intrinsic safety type touch-screen is exposed to described casing outside.
2. control box for frequency converter according to claim 1, is characterized in that, also comprises explosion-proof air-conditioner, and described explosion-proof air-conditioner is fixed on the lateral wall of described casing, is communicated with described box house by explosion-proof air-conditioner described in perforate on described lateral wall.
3. control box for frequency converter according to claim 1, it is characterized in that, also comprise the PLC with modem module, described PLC is fixed in described casing, described PLC is connected with described frequency converter and described intrinsic safety type touch screen signal, and by described modem module and external client's end communication.
4. control box for frequency converter according to claim 3, is characterized in that, described PLC is also connected with described explosion-proof air-conditioner signal.
5. according to the control box for frequency converter described in claim 3 or 4, it is characterized in that, described modem module is by Ethernet and external client's end communication.
6. the control box for frequency converter according to any one of claim 1 ~ 4, is characterized in that, also comprises power frequency protection device in described power frequency major loop, and described power frequency circuit breaker, power frequency contactor and described power frequency protection device connect successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510805529.5A CN105305781A (en) | 2015-11-20 | 2015-11-20 | Control box of frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510805529.5A CN105305781A (en) | 2015-11-20 | 2015-11-20 | Control box of frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105305781A true CN105305781A (en) | 2016-02-03 |
Family
ID=55202668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510805529.5A Pending CN105305781A (en) | 2015-11-20 | 2015-11-20 | Control box of frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105305781A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039017Y (en) * | 2007-04-02 | 2008-03-19 | 李志宏 | A serial connection voltage equalization high-voltage transducer |
| CN202285367U (en) * | 2011-10-20 | 2012-06-27 | 杭州钢铁集团公司 | Movable programmable frequency conversion device |
| CN203057711U (en) * | 2012-11-12 | 2013-07-10 | 南阳市一通防爆电气有限公司 | Refrigeration type explosion-proof control cabinet |
| CN104967390A (en) * | 2015-05-29 | 2015-10-07 | 山西际安电气有限公司 | Mining frequency converter peripheral control system |
| CN205212699U (en) * | 2015-11-20 | 2016-05-04 | 上海凯伟电气设备有限公司 | Frequency converter control box |
-
2015
- 2015-11-20 CN CN201510805529.5A patent/CN105305781A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201039017Y (en) * | 2007-04-02 | 2008-03-19 | 李志宏 | A serial connection voltage equalization high-voltage transducer |
| CN202285367U (en) * | 2011-10-20 | 2012-06-27 | 杭州钢铁集团公司 | Movable programmable frequency conversion device |
| CN203057711U (en) * | 2012-11-12 | 2013-07-10 | 南阳市一通防爆电气有限公司 | Refrigeration type explosion-proof control cabinet |
| CN104967390A (en) * | 2015-05-29 | 2015-10-07 | 山西际安电气有限公司 | Mining frequency converter peripheral control system |
| CN205212699U (en) * | 2015-11-20 | 2016-05-04 | 上海凯伟电气设备有限公司 | Frequency converter control box |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160203 |