CN106054790A - PLC-based low-voltage safety control device - Google Patents
PLC-based low-voltage safety control device Download PDFInfo
- Publication number
- CN106054790A CN106054790A CN201610383414.6A CN201610383414A CN106054790A CN 106054790 A CN106054790 A CN 106054790A CN 201610383414 A CN201610383414 A CN 201610383414A CN 106054790 A CN106054790 A CN 106054790A
- Authority
- CN
- China
- Prior art keywords
- plc
- photoelectrical coupler
- foot
- resistance
- shell body
- 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.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25268—PLD programmable logic device
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a PLC-based low-voltage safety control device, which comprises an outer shell body, wherein an arc extinguishing chamber, a control circuit board and an insulating partition plate are arranged in the outer shell body, the insulating partition plate is arranged at the lower end of an inner cavity of the outer shell body, the arc extinguishing chamber is arranged on the insulating partition plate, the circuit control board is arranged above the arc extinguishing chamber, a PLC controller, a current sensor, a voltage sensor, a metering unit, a switching control module and a temperature and humidity detection module are arranged on the circuit control board, the PLC controller is connected with the current sensor, the voltage sensor, the metering unit, the switching control module and the temperature and humidity detection module, both sides of the upper end of the outer shell body are provided with PLC communication interfaces, the two PLC communication interfaces are each connected with the control circuit board, and a heat dissipation device is arranged below the insulating partition plate. The PLC-based low-voltage safety control device is simple in structure and principle, adopts the switching control module capable of preventing inrush current, improves the safety, and adopts the heat dissipation device having the effect of rapid heat dissipation.
Description
Technical field
The present invention relates to power control technology field, a kind of low-voltage safety based on PLC controls device.
Background technology
Low-voltage distribution is indispensable important composition part in low-voltage distribution apparatus, and low-voltage control circuit is played very by it
Good protective effect, low-voltage distribution always is to use independent device to be formed by connecting by plain conductor, along with low-voltage distribution
Circuit becomes increasingly complex, and low voltage distribution circuit it is also proposed some requirements, and the most existing low tension switch is in use
Easily break down, poor safety performance, significantly increase maintenance rate and cost, and low tension switch radiating effect is poor.
Summary of the invention
It is an object of the invention to provide a kind of low-voltage safety based on PLC and control device, to solve above-mentioned background technology
The problem of middle proposition.
For achieving the above object, the present invention provides following technical scheme: a kind of low-voltage safety based on PLC controls device,
Including shell body, it is provided with arc-chutes, control circuit plate and insulating barrier inside described shell body, outside described insulating barrier is arranged on
Housing cavity lower end, described arc-chutes are arranged on above insulating barrier, and described arc-chutes are arranged over control circuit plate, described control
Circuit board processed is provided with PLC, current sensor, voltage sensor, metering units, switching control module, humiture inspection
Surveying module, described PLC connects current sensor, voltage sensor, metering units, switching control module, warm and humid respectively
Degree detection module, is provided with plc communication interface, and two described plc communication interfaces connects respectively in the both sides, upper end of described shell body
Connection control circuit plate, is additionally provided with heat abstractor in the lower section of described insulating barrier.
Preferably, described heat abstractor includes pedestal and multiple blade, and described pedestal has relative first surface and
Two surfaces, the plurality of blade is set in distance on the first surface of described pedestal, and described blade has and described pedestal phase
The root connected and the top relative with described root, the cross section of described blade is equilateral triangle or del, described base
Being formed on the second surface of seat and coordinate the endothermic section installed with thermal source, described endothermic section is with blade described at least three the most just
Right.
Preferably, described switching control module includes the first photoelectrical coupler, the second photoelectrical coupler and catalyst, described
First photoelectrical coupler two foot connects PLC by resistance A and controls end, and described first photoelectrical coupler three foot is unsettled, institute
Stating the first photoelectrical coupler one foot and connect the second photoelectrical coupler two foot, described first photoelectrical coupler five foot is unsettled, and described
Two photoelectrical coupler four feet connect resistance B one end and resistance C one end respectively, and described first photoelectrical coupler six foot connects electricity respectively
The resistance B other end, resistance E one end and the second photoelectrical coupler four foot, described second photoelectrical coupler one foot is connected by resistance D
Power end, described second photoelectrical coupler six foot connects resistance F one end, and the described resistance C other end and the resistance F other end connect respectively
Connecing output port, the described resistance E other end and the resistance F other end connect catalyst respectively, and described catalyst two ends connect two
Pole is managed.
Preferably, also include that audible-visual annunciator, described audible-visual annunciator are arranged on the top of shell body, and be electrically connected with
PLC.
Compared with prior art, the invention has the beneficial effects as follows:
(1) present configuration principle is simple, and the switching control module of employing, capacity of resisting disturbance is strong, harmonic wave is little, it is possible to prevent
Shove, can cut off the electricity supply immediately when breaking down simultaneously, improve safety.
(2) construction for heat radiating device that the present invention uses is simple, easy for installation, low cost, and contact area is big, has and quickly dissipates
The effect of heat, additionally can also be prevented effectively from the open circuit on thermally conductive pathways, not only can avoid the waste of material, it is also possible to raising office
The heat-sinking capability in portion.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the construction for heat radiating device schematic diagram of the present invention；
Fig. 3 is another structural representation of heat abstractor of the present invention；
Fig. 4 is the control principle block diagram of the present invention；
Fig. 5 is the switching control module schematic diagram of the present invention；
In figure: 1, shell body；2, arc-chutes；3, control circuit plate；4, insulating barrier；5, PLC；6, current sensor；
7, voltage sensor；8, metering units；9, switching control module；10, Temperature and Humidity module；11, plc communication interface；12, dissipate
Thermal；13, pedestal；14, blade；15, first surface；16, second surface；17, root；18, top；19, thermal source；20, inhale
Hot portion；21, the first photoelectrical coupler；22, the second photoelectrical coupler；23, catalyst；24, diode；25, audible-visual annunciator；
211, the first photoelectrical coupler one foot；212, the first photoelectrical coupler two foot；213, the first photoelectrical coupler three foot；214, first
Photoelectrical coupler four foot；215, the first photoelectrical coupler five foot；216, the first photoelectrical coupler six foot；221, the second photoelectric coupling
Device one foot；222, the second photoelectrical coupler two foot；223, the second photoelectrical coupler three foot；224, the second photoelectrical coupler four foot；
225, the second photoelectrical coupler five foot；226, the second photoelectrical coupler six foot.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Referring to Fig. 1-5, the present invention provides a kind of technical scheme: a kind of low-voltage safety based on PLC controls device, bag
Including shell body 1, shell body 1 is internal is provided with arc-chutes 2, control circuit plate 3 and insulating barrier 4, and insulating barrier 4 is arranged on shell body
1 inner chamber lower end, arc-chutes 2 are arranged on above insulating barrier 4, and arc-chutes 2 are arranged over control circuit plate 3, on control circuit plate 3
It is provided with PLC 5, current sensor 6, voltage sensor 7, metering units 8, switching control module 9, Temperature and Humidity module
10, PLC 5 connects current sensor 6, voltage sensor 7, metering units 8, switching control module 9, humiture inspection respectively
Survey module 10, be provided with plc communication interface 11 in the both sides, upper end of shell body 1, and two plc communication interfaces 11 connect control respectively
Circuit board 3, is additionally provided with heat abstractor 12 in the lower section of insulating barrier 4, also includes that audible-visual annunciator 25, audible-visual annunciator 25 are installed
At the top of shell body 1, and it is electrically connected with PLC 5.
Embodiment one:
In the present embodiment, heat abstractor 12 includes pedestal 13 and multiple blade 14, pedestal 12 have relative first surface 15 with
Second surface 16, multiple blades 14 are set in distance on the first surface 15 of pedestal 13, and blade 14 has and is connected with pedestal 13
The root 17 connect and the top 18 relative with root 17, the cross section of blade 14 is equilateral triangle, on the second surface of pedestal 13
16 are formed with the endothermic section 20 coordinating installation with thermal source 19, and endothermic section 20 faces with blade described at least three 14, the present invention
The construction for heat radiating device used is simple, easy for installation, low cost, and the cross section of the blade of employing is equilateral triangle, its contact surface
Long-pending big, there is the effect of quick heat radiating, additionally can also be prevented effectively from the open circuit on thermally conductive pathways, not only can avoid the wave of material
Take, it is also possible to improve the heat-sinking capability of local.
In the present embodiment, switching control module 9 includes first photoelectrical coupler the 21, second photoelectrical coupler 22 and catalyst
23, the first photoelectrical coupler 21 2 foot 212 connects PLC 5 by resistance A 1a and controls end, the first photoelectrical coupler 21 3
Foot 213 is unsettled, and the first photoelectrical coupler 21 1 foot 211 connects the second photoelectrical coupler 22 2 foot 222, the first photoelectrical coupler 21
Five feet 215 are unsettled, and the second photoelectrical coupler 22 4 foot 224 connects resistance B 2a one end and resistance C 3a one end, the first light respectively
Electric coupler 21 6 foot 216 connects the resistance B 2a other end, resistance E 5a one end and the second photoelectrical coupler 22 4 foot respectively
224, the second photoelectrical coupler 22 1 foot 221 connects power end by resistance D 4a, and the second photoelectrical coupler 22 6 foot 226 connects
Resistance F 6a one end, the resistance C 3a other end and the resistance F 6a other end connect output port respectively, the resistance E 5a other end and
The resistance F 6a other end connects catalyst 23 respectively, and catalyst 23 two ends connect diode 24, the switching control module of employing,
Capacity of resisting disturbance is strong, harmonic wave is little, it is possible to prevents and shoves, and can cut off the electricity supply immediately when breaking down simultaneously, improve
Safety.
Embodiment two:
In the present embodiment, heat abstractor 12 includes pedestal 13 and multiple blade 14, pedestal 12 have relative first surface 15 with
Second surface 16, multiple blades 14 are set in distance on the first surface 15 of pedestal 13, and blade 14 has and is connected with pedestal 13
The root 17 connect and the top 18 relative with root 17, the cross section of blade 14 is del, on the second surface of pedestal 13
16 are formed with the endothermic section 20 coordinating installation with thermal source 19, and endothermic section 20 faces with blade described at least three 14.The present invention
The construction for heat radiating device used is simple, easy for installation, low cost, and the cross section of the blade of employing is del, its contact surface
Long-pending big, there is the effect of quick heat radiating, additionally can also be prevented effectively from the open circuit on thermally conductive pathways, not only can avoid the wave of material
Take, it is also possible to improve the heat-sinking capability of local.
In the present embodiment, switching control module 9 includes first photoelectrical coupler the 21, second photoelectrical coupler 22 and catalyst
23, the first photoelectrical coupler 21 2 foot 212 connects PLC 5 by resistance A 1a and controls end, the first photoelectrical coupler 21 3
Foot 213 is unsettled, and the first photoelectrical coupler 21 1 foot 211 connects the second photoelectrical coupler 22 2 foot 222, the first photoelectrical coupler 21
Five feet 215 are unsettled, and the second photoelectrical coupler 22 4 foot 224 connects resistance B 2a one end and resistance C 3a one end, the first light respectively
Electric coupler 21 6 foot 216 connects the resistance B 2a other end, resistance E 5a one end and the second photoelectrical coupler 22 4 foot respectively
224, the second photoelectrical coupler 22 1 foot 221 connects power end by resistance D 4a, and the second photoelectrical coupler 22 6 foot 226 connects
Resistance F 6a one end, the resistance C 3a other end and the resistance F 6a other end connect output port respectively, the resistance E 5a other end and
The resistance F 6a other end connects catalyst 23 respectively, and catalyst 23 two ends connect diode 24, the switching control module of employing,
Capacity of resisting disturbance is strong, harmonic wave is little, it is possible to prevents and shoves, and can cut off the electricity supply immediately when breaking down simultaneously, improve
Safety.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention be defined by the appended.
Claims (4)
1. low-voltage safety based on PLC controls a device, including shell body (1), it is characterised in that: in described shell body (1)
Portion is provided with arc-chutes (2), control circuit plate (3) and insulating barrier (4), and described insulating barrier (4) is arranged on shell body (1) inner chamber
Lower end, described arc-chutes (2) are arranged on insulating barrier (4) top, and described arc-chutes (2) are arranged over control circuit plate (3), institute
State control circuit plate (3) to be provided with PLC (5), current sensor (6), voltage sensor (7), metering units (8), throw
Cutting control module (9), Temperature and Humidity module (10), described PLC (5) connects current sensor (6) respectively, voltage passes
Sensor (7), metering units (8), switching control module (9), Temperature and Humidity module (10), in the upper end of described shell body (1)
Both sides are provided with plc communication interface (11), and two described plc communication interfaces (11) connect control circuit plate (3), respectively described
The lower section of insulating barrier (4) is additionally provided with heat abstractor (12).
A kind of low-voltage safety based on PLC the most according to claim 1 controls device, it is characterised in that: described heat radiation dress
Putting (12) and include pedestal (13) and multiple blade (14), described pedestal (12) has relative first surface (15) and second surface
(16), the plurality of blade (14) is set in distance on the first surface (15) of described pedestal (13), and described blade (14) has
Have and the root (17) that described pedestal (13) is connected and the top (18) relative with described root (17), described blade (14)
Cross section is equilateral triangle or del, and on the second surface of described pedestal (13), (16) are formed and coordinate peace with thermal source (19)
The endothermic section (20) of dress, described endothermic section (20) face with blade described at least three (14).
A kind of low-voltage safety based on PLC the most according to claim 1 controls device, it is characterised in that: described switching control
Molding block (9) includes the first photoelectrical coupler (21), the second photoelectrical coupler (22) and catalyst (23), described first smooth thermocouple
Clutch (21) two foot (212) passes through resistance A(1a) connect PLC (5) control end, described first photoelectrical coupler (21) three
Foot (213) is unsettled, and described first photoelectrical coupler (21) foot (211) connects the second photoelectrical coupler (22) two foot (222), institute
Stating the first photoelectrical coupler (21) five foot (215) unsettled, described second photoelectrical coupler (22) four foot (224) connects resistance respectively
B(2a) one end and resistance C(3a) one end, described first photoelectrical coupler (21) six foot (216) connects resistance B(2a respectively) another
End, resistance E(5a) one end and the second photoelectrical coupler (22) four foot (224), described second photoelectrical coupler (22) foot
(221) by resistance D(4a) connect power end, described second photoelectrical coupler (22) six foot (226) connects resistance F(6a) one
End, described resistance C(3a) other end and resistance F(6a) other end connects output port, described resistance E(5a respectively) other end and
Resistance F(6a) other end connects catalyst (23) respectively, and described catalyst (23) two ends connect diode (24).
A kind of low-voltage safety based on PLC the most according to claim 1 controls device, it is characterised in that: also include acousto-optic
Alarm (25), described audible-visual annunciator (25) is arranged on the top of shell body (1), and is electrically connected with PLC (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383414.6A CN106054790A (en) | 2016-06-02 | 2016-06-02 | PLC-based low-voltage safety control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610383414.6A CN106054790A (en) | 2016-06-02 | 2016-06-02 | PLC-based low-voltage safety control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106054790A true CN106054790A (en) | 2016-10-26 |
Family
ID=57172702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610383414.6A Pending CN106054790A (en) | 2016-06-02 | 2016-06-02 | PLC-based low-voltage safety control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106054790A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913070A (en) * | 2006-08-26 | 2007-02-14 | 郭建厂 | Vacuum circuit breaker of sealed type outdoor high-tension phase control synchronous permanent magnetic mechanism |
| CN101145694A (en) * | 2007-10-15 | 2008-03-19 | 田锡公 | Integrated intelligent powerless compensation device |
| CN101340096A (en) * | 2008-08-07 | 2009-01-07 | 上海交通大学 | Electric reactive compensating controller |
| CN203934257U (en) * | 2014-04-15 | 2014-11-05 | 深圳市瑞凌实业股份有限公司 | Radiator |
| CN203983998U (en) * | 2014-07-01 | 2014-12-03 | 湖北翔奥电力科技有限公司 | A kind of automatic tracking type low-voltage reactive power compensator |
-
2016
- 2016-06-02 CN CN201610383414.6A patent/CN106054790A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1913070A (en) * | 2006-08-26 | 2007-02-14 | 郭建厂 | Vacuum circuit breaker of sealed type outdoor high-tension phase control synchronous permanent magnetic mechanism |
| CN101145694A (en) * | 2007-10-15 | 2008-03-19 | 田锡公 | Integrated intelligent powerless compensation device |
| CN101340096A (en) * | 2008-08-07 | 2009-01-07 | 上海交通大学 | Electric reactive compensating controller |
| CN203934257U (en) * | 2014-04-15 | 2014-11-05 | 深圳市瑞凌实业股份有限公司 | Radiator |
| CN203983998U (en) * | 2014-07-01 | 2014-12-03 | 湖北翔奥电力科技有限公司 | A kind of automatic tracking type low-voltage reactive power compensator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203103800U (en) | Power distribution box with excellent heat dissipation | |
| CN105097379B (en) | The fuse of more fuse-links | |
| CN106054790A (en) | PLC-based low-voltage safety control device | |
| CN104037030B (en) | There are the safeties of U-shaped memorial alloy | |
| CN203193266U (en) | Integrated single-phase symmetric power supply surge protector module | |
| CN207426666U (en) | Current transformer and its secondary side open-circuit protecting device | |
| CN205789404U (en) | A kind of heat dissipation type transformation case | |
| CN203278068U (en) | Fuse handcart for centrally-installed switchgear | |
| CN206516968U (en) | A kind of novel complete set power distribution cabinet | |
| CN203839805U (en) | Heat radiation type ring network welding cabinet | |
| CN207398052U (en) | High-voltage great-current fuse | |
| CN208256597U (en) | A kind of Aftercurrent protection circuit breaker for capableing of real time signal processing and control | |
| CN203056298U (en) | Single-hole temperature control socket | |
| CN109378649A (en) | A kind of safety type power cable | |
| CN205070959U (en) | Take contactless contactor of temperature protection | |
| CN212849427U (en) | Intelligent solid insulation cabinet | |
| CN206944501U (en) | A kind of hydroelectric separating device | |
| CN205177696U (en) | High -voltage vacuum circuit breaker | |
| CN205565305U (en) | Special leakage protection switch of regulator cubicle | |
| CN104930580A (en) | Heating module for connecting and integrating heating, insulation, grounding and waterproof circuit for electric heating | |
| CN205753109U (en) | A kind of water cycle cooling type power transformation box | |
| CN207611634U (en) | A kind of intelligent grid construction intelligent cable | |
| CN218782993U (en) | Leakage detection circuit breaker | |
| CN205279220U (en) | Warm up hot rail of carbon | |
| CN209056808U (en) | Emergency first-aid repair distribution box |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161026 |
|
| WD01 | Invention patent application deemed withdrawn after publication |