CN204517200U - For the PLC module of LV intelligent switching system - Google Patents

For the PLC module of LV intelligent switching system Download PDF

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Publication number
CN204517200U
CN204517200U CN201520126937.3U CN201520126937U CN204517200U CN 204517200 U CN204517200 U CN 204517200U CN 201520126937 U CN201520126937 U CN 201520126937U CN 204517200 U CN204517200 U CN 204517200U
Authority
CN
China
Prior art keywords
plc module
shell
module
switching system
intelligent switching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520126937.3U
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Chinese (zh)
Inventor
王刚
陈怀之
谢华
聂海涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Zhenzhong Electric Co Ltd
Original Assignee
Chengdu Zhenzhong Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Zhenzhong Electric Co Ltd filed Critical Chengdu Zhenzhong Electric Co Ltd
Priority to CN201520126937.3U priority Critical patent/CN204517200U/en
Application granted granted Critical
Publication of CN204517200U publication Critical patent/CN204517200U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

For the PLC module of LV intelligent switching system, the shell of PLC module comprises front panel, rear board and is connected to 2 side plates between front panel and rear board, front panel both sides are provided with draw-in groove, and rear board both sides are provided with clamp, and the shell of LC module is metal shell.The shell of PLC module of the present utility model can effectively prevent dust from entering in shell, has good anti-conduction dust performance; And metal shell can not only when without ensureing good heat dispersion when louvre, and can also effective shield electromagnetic interference, antijamming capability is strong; The draw-in groove that shell is arranged and clamp structure, multiple PLC module impermanency is supported to be plugged in together, to be supported in LV intelligent switching system combination in any PLC module and to be connected on CPU module or Coupler Module after clamping successively, make multiple PLC module share a CPU module or Coupler Module, reduce the construction cost of LV intelligent switching system.

Description

For the PLC module of LV intelligent switching system
Technical field
The utility model relates to distribution technique field, particularly, relates to a kind of PLC module for LV intelligent switching system.
Background technology
Low-voltage distribution apparatus is as the end link of electric power system, its function and performance directly affect the quality of electric energy, and traditional low-voltage distribution apparatus assembles primarily of several major parts such as circuit breaker, isolating switch, instrument transformer, primary circuit, secondary circuits.Along with the construction of intelligent grid, require that system monitoring can be provided convenience, intuitively about quality of power supply real time information more accurately, realize the monitoring to distribution and watch-dog and intelligent components and parts, protection communicates with control.
At present, many important places all adopt LV intelligent switching system, the intensive care unit, sewage disposal, wind power station water treatment, photovoltaic station, manufacturing works etc. of such as hospital need the place of complicated monitoring and control, to be monitored quality of power supply parameters by low-voltage distribution system.
LV intelligent switching system of the prior art generally adopts the full electrical quantity of PLC module switch amount, analog quantity, three-phase to carry out monitor and forecast, the surface of shell of the PLC module of prior art generally offers thermal vias on housing side plate, dust easily enters enclosure interior, affect the useful life of module, and the poor anti jamming capability of existing PLC module, be easily subject to electromagnetic interference.
Utility model content
The purpose of this utility model is just to provide that a kind of anti-conduction dust, antijamming capability are strong, the PLC module for LV intelligent switching system of good heat dissipation effect.
The technical scheme in the invention for solving the above technical problem is:
For the PLC module of LV intelligent switching system, the shell of described PLC module comprises front panel, rear board and is connected to 2 side plates between front panel and rear board, and the shell of described PLC module is metal shell; Described front panel both sides are provided with draw-in groove, and rear board both sides are provided with clamp.
As further improvement of the utility model, the shell of described PLC module does not offer louvre.
Further, the shell of described PLC module does not offer louvre and refer to that the former position offering louvre adopts integrated whole plate.
Further, the shell of described PLC module does not offer louvre to refer to and to arrange a cover plate in the position of former louvre by louvre sealing or fill.
Preferably, the shell of described PLC module is aluminum alloy casing.
As another improvement of the present utility model, the left and right sides of described front panel all stretches out formation extension board, this extension board end is connected with a flat board, extension board is connected on the center line of this flat board perpendicular to this flat board, this flat board is also connected with a straight plate away from one end of rear board, straight plate is parallel to front panel and arranges, and described straight plate, extension board and the flat board between straight plate and extension board form draw-in groove.
Further, described clamp is connected to rear board both sides and in the same plane with rear board.
To sum up, the beneficial effects of the utility model are:
1, the shell of PLC module adopts metal shell, because metal shell has good heat dispersion, shell can not offer louvre, can effectively prevent dust from entering in shell, have good anti-conduction dust performance; And metal shell can not only when without ensureing good heat dispersion when louvre, and can also effective shield electromagnetic interference, antijamming capability is strong.
The draw-in groove that the shell of 2, PLC module is arranged and clamp structure, support multiple PLC module impermanency to be plugged in together, the grafting of PLC module and dismounting convenient and be easy to control; Also to be supported in LV intelligent switching system combination in any PLC module as required, and will be connected on CPU module or Coupler Module after multiple PLC module successively clamping, multiple PLC module is made to share a CPU module or Coupler Module, reduce the construction cost of LV intelligent switching system, strengthen the flexibility of system.
Accompanying drawing explanation
Fig. 1 is vertical view of the present utility model;
Fig. 2 is that in embodiment 3, multiple PLC module is plugged into the schematic diagram in CPU module.
Mark and corresponding parts title in accompanying drawing: 11-front panel; 12-rear board; 13-side plate; 14-extension board; 2-CPU module; 3-draw-in groove; 31-is dull and stereotyped; The straight plate of 32-; 4-clamp; 5-plate.
Embodiment
Below in conjunction with embodiment and accompanying drawing, to the detailed description further of the utility model do, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
As shown in Figure 1, for the PLC module of LV intelligent switching system, the shell of described PLC module is metal shell, adopts aluminum alloy casing in the present embodiment.In the present embodiment, shell adopts metal shell, because metal shell has good heat dispersion, therefore shell can not offer louvre, can effectively prevent dust from entering in shell, have good anti-conduction dust performance; And metal shell can not only when without ensureing good heat dispersion when louvre, and can also effective shield electromagnetic interference, antijamming capability is strong.
The shell of described PLC module comprises front panel 11, rear board 12 and is connected to 2 side plates 13 between front panel 11 and rear board 12, front panel 11 both sides are provided with draw-in groove 3, rear board 12 both sides are provided with clamp 4, the aforementioned structure of the shell of PLC module, multiple PLC module can be supported to be plugged in together, the clamp 4 of previous PLC module snaps in the draw-in groove 3 of a rear PLC module, clamping is that impermanency connects, therefore PLC module can be pulled up at any time, also can clamping get at any time, the grafting of PLC module controls with being easy to dismounting is convenient.Therefore, be applied in LV intelligent switching system, can the multiple PLC module of combination in any, these PLC module be connected to after clamping successively general supervision is carried out to these modules CPU module or Coupler Module on, thus multiple PLC module shares a CPU module or Coupler Module, reduce the construction cost of LV intelligent switching system, increase the flexibility of system.
Embodiment 2:
On the basis of embodiment 1, in the present embodiment, the shell of PLC module limits further:
The shell of described PLC module does not offer louvre.
The shell of described PLC module does not offer louvre and refer to that the former position offering louvre adopts the integrated whole plate without perforate, such as, the shell of former PLC module offers louvre on two side plates 13, and so two side plates 13 of the present embodiment housing all adopt and are made up of mould punching, the whole plate without any perforate that is one-body molded, that once make.
In practical application, the shell of described PLC module does not offer louvre and a cover plate also can be set in the position of former louvre by louvre sealing or filling.
In the present embodiment, the shell of PLC module is not offered louvre and just can effectively prevent dust from entering in shell, there is good anti-conduction dust performance; And adopt metal shell can not only when without ensureing good heat dispersion when louvre, and can also effective shield electromagnetic interference, antijamming capability is strong.
Embodiment 3:
On the basis of embodiment 1 or embodiment 2, in the present embodiment, the structure of clamp 4 and draw-in groove 3 is further improved:
The left and right sides of described front panel 11 all stretches out and forms extension board 14, this extension board 14 end is connected with a flat board 31, extension board 14 is connected on the center line of this flat board 31 perpendicular to this flat board 31, this flat board 31 is also connected with a straight plate 32 away from one end of rear board 12, straight plate 32 is parallel to front panel 11 and arranges, described straight plate 32, extension board 14 and the flat board 31 between straight plate 32 and extension board 14 form draw-in groove 3, flat board 31 between straight plate 32 and extension board 14 is the bottom land of draw-in groove 3, and straight plate 32, extension board 14 are two groove sides of draw-in groove 3.2 clamps 4 are connected to rear board 12 arranged on left and right sides and in the same plane with rear board 12.
Adopt aforementioned structure, multiple PLC module can be plugged in together, the clamp 4 of previous PLC module snaps in the draw-in groove 3 of a rear PLC module, makes the grafting of adjacent two PLC module and dismantles convenient and be easy to control.In order to carry out unified control and management to these PLC module, LV intelligent switching system has generally used CPU module or coupler, CPU module or coupler arranges a plate 5 again and just can be connected together with these PLC module.Fig. 2 is the schematic diagram of CPU module and 5 PLC module grafting, and this figure is vertical view, and on figure, label 2 is CPU module.
Data communication is carried out in order to make PLC module and CPU module or coupler, front panel 11 and the rear board 12 of the shell of PLC module are also provided with data/address bus through hole, for by PLC module data output end connection data bus, generally speaking, the enclosure interior of PLC module is provided with shell fragment, this shell fragment connects the data output end of place module, shell fragment part stretches out data/address bus through hole, when adjacent two PLC module are plugged in together, the shell fragment of a rear PLC module connects the shell fragment of previous PLC module, be electrically connected, a rear PLC module access data bus, these PLC module are communicated with CPU module or coupler by this data/address bus.These PLC module can adopt EBUS to communicate with CPU module or coupler, and EBUS is the LVDS(Low Voltage Differental Signaling that German Bei Fu company uses) data transmission standard of standard definition.
In addition, the top board of the shell of PLC module offers communications cable through hole, the communications cable is used for PLC module and gathers external data or externally sending controling instruction, is namely connected with external equipment for PLC module, and this communications cable can be, but not limited to employing CAN.
Below be only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, not departing from the some improvements and modifications under the utility model principle prerequisite, protection range of the present utility model should be considered as.

Claims (7)

1. for the PLC module of LV intelligent switching system, the shell of described PLC module comprises front panel (11), rear board (12) and is connected to 2 side plates (13) between front panel (11) and rear board (12), it is characterized in that, the shell of described PLC module is metal shell; Described front panel (11) both sides are provided with draw-in groove (3), and rear board (12) both sides are provided with clamp (4).
2. the PLC module for LV intelligent switching system according to claim 1, is characterized in that, the shell of described PLC module does not offer louvre.
3. the PLC module for LV intelligent switching system according to claim 2, is characterized in that, the shell of described PLC module does not offer louvre and refers to that the former position offering louvre adopts integrated whole plate.
4. the PLC module for LV intelligent switching system according to claim 2, is characterized in that, the shell of described PLC module does not offer louvre and refers to that arranging a cover plate in the position of former louvre seals louvre or fill.
5., according to the arbitrary described PLC module for LV intelligent switching system of Claims 1-4, it is characterized in that, the shell of described PLC module is aluminum alloy casing.
6. according to the arbitrary described PLC module for LV intelligent switching system of Claims 1-4, it is characterized in that, the left and right sides of described front panel (11) all stretches out and forms extension board (14), this extension board (14) end is connected with a flat board (31), extension board (14) is connected on the center line of this flat board (31) perpendicular to this flat board (31), this flat board (31) is also connected with a straight plate (32) away from one end of rear board (12), straight plate (32) is parallel to front panel (11) and arranges, described straight plate (32), extension board (14) and the flat board (31) be positioned between straight plate (32) and extension board (14) form draw-in groove (3).
7. according to the arbitrary described PLC module for LV intelligent switching system of Claims 1-4, it is characterized in that, described clamp (4) is connected to rear board (12) both sides and in the same plane with rear board (12).
CN201520126937.3U 2015-03-05 2015-03-05 For the PLC module of LV intelligent switching system Expired - Fee Related CN204517200U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520126937.3U CN204517200U (en) 2015-03-05 2015-03-05 For the PLC module of LV intelligent switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520126937.3U CN204517200U (en) 2015-03-05 2015-03-05 For the PLC module of LV intelligent switching system

Publications (1)

Publication Number Publication Date
CN204517200U true CN204517200U (en) 2015-07-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520126937.3U Expired - Fee Related CN204517200U (en) 2015-03-05 2015-03-05 For the PLC module of LV intelligent switching system

Country Status (1)

Country Link
CN (1) CN204517200U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113075902A (en) * 2020-05-18 2021-07-06 格联(上海)物联技术有限公司 PLC data acquisition device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113075902A (en) * 2020-05-18 2021-07-06 格联(上海)物联技术有限公司 PLC data acquisition device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150729

Termination date: 20210305

CF01 Termination of patent right due to non-payment of annual fee