CN203673278U - High-voltage integrated contactor controller - Google Patents
High-voltage integrated contactor controller Download PDFInfo
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- CN203673278U CN203673278U CN201420019466.1U CN201420019466U CN203673278U CN 203673278 U CN203673278 U CN 203673278U CN 201420019466 U CN201420019466 U CN 201420019466U CN 203673278 U CN203673278 U CN 203673278U
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Abstract
A high-voltage integrated contactor controller comprises a controller main body (1), a proximitor (2) and a mechanical motion stroke detection circuit (3), wherein the controller main body (1) is embedded in a contactor, the proximitor (2) is arranged at a place which is safe and convenient for man-computer interaction, and the mechanical motion stroke detection circuit (3) is arranged at a position where motion of a moving contact in a switching tube of the contactor can be detected. A controller applicable to an intelligent high-voltage alternating current contactor is provided, and has the characteristics of high intelligence, complete functions, concise and reasonable structure, reliable operation, excellent maintainability and high performance cost ratio.
Description
Technical field
The present invention relates to high voltage connector controller field, especially a kind ofly can realize the integrated high voltage connector controller of intelligence.
Background technology
Mainly there is anti-strong electromagnetic ability and the defect poor to switching mechanism control accuracy in existing intelligent integrated high voltage contactor controller, the former causes intelligent integrated high voltage contactor global reliability to decline, and easily causes power grid security accident, damage of facilities accident; The latter causes point, combined floodgate control rate is slow, low precision, " zero switching " that can not realize ideal and point, making process is without the requirement of spring, allomeric function is incomplete, needs more coordinative composition of equipments use in real process.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of circuit structure reasonable, and the integrated contactor controller of high pressure that overall price/performance ratio is high has strong anti-electromagnetic interference capability and the accurate ability of gauge tap structure.
For solving the problems of the technologies described above, the invention provides the integrated contactor controller of a kind of high pressure, comprise controller main body 1, fore-lying device 2, mechanical motion stroke detection circuit 3, controller main body 1 is flush-mounted in contact body, fore-lying device 2 is installed on safety and is convenient to man-machine interactive position, and mechanical motion stroke detection circuit 3 is installed on and can detects the cephalomotor position of movable contact in contactless contactor pipe; Between fore-lying device 2 and controller main body 1, there is descending serial communication passage 30, between descending serial communication passage 30 and microcontroller circuit 8, there is serial communication interface circuit 10, in serial communication interface circuit 10, there is electrical isolation device, between microcontroller circuit 8 and descending serial communication passage 30, on electric, isolate; Between controller main body 1 and mechanical motion stroke detection circuit 3, use multicore shielding cable to be connected; Controller main body 1 comprises filtering circuit group 6, interface circuit group 7, microcontroller circuit 8, in filtering circuit group 6, have connect the voltage filter circuit 17 of distribution voltage mutual inductor, the current filtering circuit 18 that connects load current mutual inductor, the coil filtering circuit 19 that connects divide-shut brake coil, the tool movement travel testing circuit that picks stroke detection filtering circuit 20, connect the electric source filter circuit 21 of AC power; In interface circuit group 7, there is voltage measurement interface circuit 22, current measuring interface circuit 23, divide-shut brake coil interface circuit 24, stroke detection interface circuit 25, working power circuit 26, serial communication interface circuit 10; In microcontroller circuit 8, have core devices cpu circuit 28, microcontroller circuit 8 is connected with the total interface circuit in interface circuit group 7 respectively, then is connected with the corresponding filtering circuit in filtering circuit group 6.
Mechanical motion stroke detection circuit 3, comprises that 27,3 sensors 27 of 3 sensors are connected with the stroke detection filtering circuit 20 in controller main body 1 by four wires respectively, and two in four wires is power lead, and two is signal wire.
In fore-lying device 2, there is microcontroller circuit 11, chromatic colour liquid crystal display 15, descending serial communication interface 12, parallel serial communication interface 13, the up serial communication interface 14 connected with microcontroller circuit 11; In descending serial communication interface 12, parallel serial communication interface 13, up serial communication interface 14, there are the descending serial communication passage 30 of electrical isolation device, parallel serial communication passage 58, up serial communication passage 16 to isolate on electric with microcontroller circuit 11, the body induction circuit 57 being in addition connected with microcontroller circuit 11.
The shell of controller main body 1 is double-level-metal, and internal layer 4 is aluminium sheet, and thickness is not less than 3mm, and outer 5 is iron plate, and thickness is not less than 1mm; Between filtering circuit group 6 and interface circuit group 7, have aluminium sheet 9 to separate, aluminium plate thickness is not less than 3mm; Between interface circuit group 7 and microcontroller circuit 8, have aluminium sheet 29 to separate, aluminium plate thickness is not less than 3mm.
In interface circuit group 7 in controller main body 1, have power circuit 26, it comprises rectification circuit 31, isolating diode 32-35, decompression voltage regulator 40, storage capacitor 37-39; Decompression voltage regulator 40 forms low-voltage supply, and storage capacitor 37-39 rated voltage is not less than 300V, rated capacity is not less than 500 μ F.
In the interface circuit group 7 of controller main body 1, have divide-shut brake interface circuit 24, divide-shut brake interface circuit 24 comprises divide-shut brake outlet device 43, divide-shut brake isolated drive circuit 44, divide-shut brake current sampling circuit 45, divide-shut brake change-over circuit 46; Outlet device 43 is for can turn-off power electronic devices; Sub-gate circuit accesses power supply with coil filtering circuit 19, switching winding 59 after being connected by exporting device 43, current sampling circuit 45, divide-shut brake change-over circuit 46 first tie points; Closing circuit accesses power supply with coil filtering circuit 19, closing coil 60 after being connected by exporting device 43, current sampling circuit 45, divide-shut brake change-over circuit 46 second tie points.
In the filtering circuit group 6 of controller main body 1, there is the filtering circuit 21 that connects power supply, it comprises input line 48, filter coil output line 49, the ground wire 50 of filter coil 47, filter coil, filter coil is parallel winding of multiple coils on annular iron core, between input line 48, output line 49 and ground wire 50 3 lines, is connected to filtering circuit 51-56.
Brief description of the drawings
Fig. 1 is the one-piece construction figure of contactor controller of the present invention.
Fig. 2 is the structural drawing of mechanical trip testing circuit of the present invention.
Fig. 3 is the structural drawing of the power circuit of contactor controller interface circuit of the present invention.
Fig. 4 is the structural drawing of the divide-shut brake control interface of contactor controller interface circuit of the present invention.
Fig. 5 is the structural drawing of filtering circuit of the present invention.
1, controller main body; 2, fore-lying device; 3, mechanical motion stroke detection circuit; 4, shell internal layer; 5, shell skin; 6, filtering circuit group; 7, interface circuit group; 8, controller main body microcontroller circuit; 9, the first aluminium sheet; 10, serial communication interface circuit; 11, fore-lying device microcontroller circuit; 12, descending serial communication interface; 13, parallel serial communication interface; 14, up serial communication interface; 15, color LCD screen; 16, up serial communication passage 17, voltage filter circuit; 18, current filtering circuit; 19, coil filtering circuit; 20, stroke detection filtering circuit; 21, electric source filter circuit; 22, voltage measurement interface circuit; 23, current measuring interface circuit; 24, divide-shut brake coil interface circuit; 25, stroke detection interface circuit; 26, working power circuit; 27, sensor; 28, cpu circuit; 29, aluminium sheet; 30, descending serial communication passage; 31, rectification circuit; 32-35, isolating diode; 36, filter capacitor; 37-39, storage capacitor; 40, decompression voltage regulator; 41, resistance; 42, isolator; 43, divide-shut brake outlet device; 44, isolated drive circuit; 45, current sampling circuit; 46, divide-shut brake change-over circuit; 47, filter coil; 48, input line; 49, output line; 50, ground wire; 51-56, filtering circuit; 57, body induction circuit; 58, parallel serial communication passage; 59, switching winding; 60, closing coil.
Embodiment
For solving the problems of the technologies described above, the invention provides the integrated contactor controller of a kind of high pressure, comprise controller main body 1, fore-lying device 2, mechanical motion stroke detection circuit 3, controller main body 1 is flush-mounted in high voltage connector body, fore-lying device 2 is installed on safety and is convenient to man-machine interactive place, and mechanical motion stroke detection circuit 3 is installed on and can detects the cephalomotor position of movable contact in contactless contactor pipe; Between fore-lying device 2 and controller main body 1, have descending serial communication passage 30, distance is between the two pulled open, install and use at the scene of being convenient to; Between descending serial communication passage 30 and microcontroller circuit 8, there is serial communication interface circuit 10, in serial communication interface circuit 10, have electrical isolation device, between microcontroller circuit 8 and descending serial communication passage 30, on electric, isolate; Between controller main body 1 and mechanical motion stroke detection circuit 3, use multicore shielding cable to be connected, shielded cable improves interference.
As shown in Figure 1, controller main body 1 comprises filtering circuit group 6, interface circuit group 7, microcontroller circuit 8, in filtering circuit group 6, have connect the voltage filter circuit 17 of distribution voltage mutual inductor, the current filtering circuit 18 that connects load current mutual inductor, the coil filtering circuit 19 that connects divide-shut brake coil, the tool movement travel testing circuit that picks stroke detection filtering circuit 20, connect the electric source filter circuit 21 of alternating current-direct current 220V/110V power supply; In interface circuit group 7, there is voltage measurement interface circuit 22, current measuring interface circuit 23, divide-shut brake coil interface circuit 24, stroke detection interface circuit 25, working power circuit 26, serial communication interface circuit 10; In microcontroller circuit 8, have core devices cpu circuit 28, microcontroller circuit 8 is connected with the total interface circuit in interface circuit group 7 respectively, then is connected with the corresponding filtering circuit in filtering circuit group 6.Measure time in divide-shut brake process of moving contact in the size of the size of distribution voltage and phase place, load current and phase place, contactless contactor pipe and speed and the divide-shut brake through divide-shut brake coil control contactor with this; In the time of contactor gate-dividing state, microcontroller circuit 8 can according to record be added in voltage-phase on contactless contactor, contactor card hang in the run duration of moving contact and the closure time point of speed control contactor switch at contactless contactor 2 end alternating voltage zero-crossing points; In the time of contactor "on" position, microcontroller circuit 8 can pass through contactless contactor current zero-crossing point according to some trip time of the run duration of moving contact in the phase place of the contactor load current recording, contactless contactor and speed control contactor switch, thereby realizes primary cut-out " zero switching " function.
In fore-lying device 2, there is microcontroller circuit 11, chromatic colour liquid crystal display 15, descending serial communication interface 12, parallel serial communication interface 13, the up serial communication interface 14 connected with microcontroller circuit 11; In descending serial communication interface 12, parallel serial communication interface 13, up serial communication interface 14, there are the descending serial communication passage 30 of electrical isolation device, parallel serial communication passage 58, up serial communication passage 16 to isolate on electric with microcontroller circuit 11.Improve the Electro Magnetic Compatibility of microcontroller circuit 11 with this, microcontroller circuit 11 in descending serial communication interface circuit 12, descending serial communication passage 30, controller main body 1 in serial communication interface circuit 10 and body microcontroller circuit 8 communicate exchange message.The body induction circuit 57 being in addition connected with microcontroller circuit 11, body induction circuit 57 is liquid crystal display luminescence display in the time of human body proximity, and human body leaves rear delay-action to increase the service life, and having overcome liquid crystal display 15 is the neck of reliability problems of fore-lying device 2.
The shell of controller main body 1 is double-level-metal, and internal layer 4 is aluminium sheet, and thickness is not less than 3mm, and outer 5 is iron plate, and thickness is not less than 1mm; Between filtering circuit group 6 and interface circuit group 7, have aluminium sheet to separate, aluminium plate thickness is not less than 3mm; The connecting line of filtering circuit and distribution voltage mutual inductor, load circuit mutual inductor, divide-shut brake coil, stroke detection circuit, alternating current-direct current 220V/110V power supply uses multicore shielding cable, and screen layer metal is through the earthing of casing; Between interface circuit group 7 and microcontroller circuit 8, there is aluminium sheet 29 to separate, aluminium plate thickness is not less than 3mm, aluminium sheet has shielding action to electric field, iron plate has shielding action to magnetic field, the two reaches certain thickness could effectively eliminate the electromagnetic interference (EMI) that uses on-the-spot contactor switching power capacitor to produce, assurance device reliably working.
As shown in Figure 2, mechanical motion stroke detection circuit 3, comprises that 27,3 sensors 27 of 3 sensors are connected with the stroke detection filtering circuit 20 in controller main body 1 by four wires respectively, and two in four wires is power lead, and two is signal wire.Sensor comprises lenticular lenses, luminescent device and photosensitive device, luminescent device light-emitting area is to the photosurface of photosensitive device, luminescent device and photosensitive device are arranged on fixed body, and lenticular lenses is arranged in contactor moving contact drive link, in the gap between luminescent device and photosensitive device, moves; By photosensitive device signal processing circuit, the change in optical signal producing in the time that lenticular lenses is moved is by calculating the parameter such as time, speed, stroke of mechanical motion.
As shown in Figure 3, in the interface circuit group 7 in controller main body 1, have power circuit 26, it comprises rectification circuit 31, isolating diode 32-35, decompression voltage regulator 40, storage capacitor 37-39; Rectification circuit 31 makes input AC, direct current output be direct current, therefore installs alternating current-direct current and inputs general; Decompression voltage regulator 40 forms low-voltage supply, storage capacitor 37-39 rated voltage is not less than 300V, rated capacity is not less than 500 μ F, close a floodgate for three-phase separate for energy storage, make still can carry out separating brake control after external power source dead electricity, isolating diode 32-35 is for power source diverter output isolation mutually, the impact that reduces to be exported each other; Resistance 41, isolator 42 form power-failure protecting interface circuit; in the time of rectification circuit 31 Non voltage output; resistance 41 step-downs reach controller main body 8 again after isolating device 42 electrical equipment isolation, and controller main body 8 is control contactor separating brake therefore, and separating brake electric energy is provided by storage capacitor 37-39.
As shown in Figure 4, in the interface circuit group 7 of controller main body 1, have divide-shut brake interface circuit 24, divide-shut brake interface circuit 24 comprises divide-shut brake outlet device 43, divide-shut brake isolated drive circuit 44, divide-shut brake current sampling circuit 45, divide-shut brake change-over circuit 46; Outlet device 43 is for can turn-off power electronic devices; Can turn-off power electronic devices is IGBT pipe or metal-oxide-semiconductor or transistor; Sub-gate circuit accesses power supply with coil filtering circuit 19, switching winding 59 after being connected by exporting device 43, current sampling circuit 45, divide-shut brake change-over circuit 46 first tie points; Closing circuit accesses power supply with coil filtering circuit 19, closing coil 60 after being connected by exporting device 43, current sampling circuit 45, divide-shut brake change-over circuit 46 second tie points.The separating brake that controller main body 8 is accepted fore-lying device 2 closes a floodgate after order, make 43 conductings of divide-shut brake outlet device by isolated drive circuit 44, therefore divide-shut brake change-over circuit 46 is switched on and is made contactor divide-shut brake, controller main body 8 obtains the size of divide-shut brake electric current simultaneously from current sampling circuit 45, and with setting value comparison, regulate the size of current of divide-shut brake change-over circuit 46, thereby the various parameters of divide-shut brake are accurately controlled in setting range by isolated drive circuit 44, outlet device 43.
As shown in Figure 5, in the filtering circuit group 6 of controller main body 1, there is the filtering circuit 21 that connects power supply, it comprises input line 48, filter coil output line 49, the ground wire 50 of filter coil 47, filter coil, filter coil is parallel winding of multiple coils on annular iron core, between input line 48, output line 49 and ground wire 50 3 lines, is connected to filtering circuit 51-56.
Although the present invention illustrates with regard to preferred implementation and describes, only it will be understood by those of skill in the art that otherwise exceed claim limited range of the present invention, can carry out variations and modifications to the present invention.
Claims (9)
1. the integrated contactor controller of high pressure, it is characterized in that, comprise: controller main body (1), fore-lying device (2), mechanical motion stroke detection circuit (3), controller main body (1) is flush-mounted in contact body, fore-lying device (2) is installed on safety and is convenient to man-machine interactive position, and mechanical motion stroke detection circuit (3) is installed on and can detects the cephalomotor position of movable contact in contactless contactor pipe; Between fore-lying device (2) and controller main body (1), there is descending serial communication passage (30), between descending serial communication passage (30) and microcontroller circuit (8), there is serial communication interface circuit (10), serial communication interface circuit has electrical isolation device in (10), between microcontroller circuit (8) and descending serial communication passage (30), on electric, isolates; Between controller main body (1) and mechanical motion stroke detection circuit (3), use multicore shielding cable to be connected; Controller main body (1) comprises filtering circuit group (6), interface circuit group (7), microcontroller circuit (8), in filtering circuit group (6), have connect the voltage filter circuit (17) of distribution voltage mutual inductor, the current filtering circuit (18) that connects load current mutual inductor, the coil filtering circuit (19) that connects divide-shut brake coil, the tool movement travel testing circuit that picks stroke detection filtering circuit (20), connect the electric source filter circuit (21) of AC power; In interface circuit group (7), there are voltage measurement interface circuit (22), current measuring interface circuit (23), divide-shut brake coil interface circuit (24), stroke detection interface circuit (25), working power circuit (26), serial communication interface circuit (10); In microcontroller circuit (8), have core devices cpu circuit (28), microcontroller circuit (8) is connected with the total interface circuit in interface circuit group (7) respectively, then is connected with the corresponding filtering circuit in filtering circuit group (6).
2. the integrated contactor controller of high pressure as claimed in claim 1, it is characterized in that, described mechanical motion stroke detection circuit (3), comprise 3 sensors (27), 3 sensors (27) are connected with the stroke detection filtering circuit (20) in controller main body (1) by four wires respectively, two in four wires is power lead, and two is signal wire.
3. the integrated contactor controller of high pressure as claimed in claim 1, it is characterized in that, in fore-lying device (2), there is microcontroller circuit (11), chromatic colour liquid crystal display (15), descending serial communication interface (12), parallel serial communication interface (13), the up serial communication interface (14) connected with microcontroller circuit (11); Descending serial communication interface (12), parallel serial communication interface (13), up serial communication interface have electrical isolation device in (14), descending serial communication passage (30), parallel serial communication passage (58), up serial communication passage (16) are isolated on electric with microcontroller circuit (11), the body induction circuit (57) being in addition connected with microcontroller circuit (11).
4. the integrated contactor controller of high pressure as claimed in claim 1, is characterized in that, the shell of controller main body (1) is double-level-metal, and internal layer (4) is aluminium sheet, and thickness is not less than 3mm, and outer (5) are iron plate, and thickness is not less than 1mm; Between filtering circuit group (6) and interface circuit group (7), have aluminium sheet (9) to separate, aluminium plate thickness is not less than 3mm.
5. the integrated contactor controller of high pressure as claimed in claim 4, is characterized in that, between interface circuit group (7) and microcontroller circuit (8), has aluminium sheet (29) to separate, and aluminium plate thickness is not less than 3mm.
6. the integrated contactor controller of high pressure as claimed in claim 1, it is characterized in that, in interface circuit group (7) in controller main body (1), have power circuit (26), it comprises rectification circuit (31), isolating diode (32-35), decompression voltage regulator (40), storage capacitor (37-39); Decompression voltage regulator (40) forms low-voltage supply, and storage capacitor (37-39) rated voltage is not less than 300V, rated capacity is not less than 500 μ F.
7. the integrated contactor controller of high pressure as claimed in claim 1, it is characterized in that, in the interface circuit group (7) of controller main body (1), have divide-shut brake interface circuit (24), divide-shut brake interface circuit (24) comprises divide-shut brake outlet device (43), divide-shut brake isolated drive circuit (44), divide-shut brake current sampling circuit (45), divide-shut brake change-over circuit (46); Outlet device (43) is for can turn-off power electronic devices; Sub-gate circuit accesses power supply by exporting device (43), current sampling circuit (45), divide-shut brake change-over circuit (46) first tie points and coil filtering circuit (19), switching winding (59) after being connected; Closing circuit accesses power supply by exporting device (43), current sampling circuit (45), divide-shut brake change-over circuit (46) second tie points and coil filtering circuit (19), closing coil (60) after being connected.
8. the integrated contactor controller of high pressure as claimed in claim 7, is characterized in that, can turn-off power electronic devices is IGBT pipe or metal-oxide-semiconductor or transistor.
9. the integrated contactor controller of high pressure as claimed in claim 1, it is characterized in that, in the filtering circuit group (6) of controller main body (1), there is the filtering circuit (21) that connects power supply, it comprises input line (48), filter coil output line (49), the ground wire (50) of filter coil (47), filter coil, filter coil is parallel winding of multiple coils on annular iron core, between input line (48), output line (49) and ground wire (50) three lines, is connected to filtering circuit (51-56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019466.1U CN203673278U (en) | 2014-01-13 | 2014-01-13 | High-voltage integrated contactor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420019466.1U CN203673278U (en) | 2014-01-13 | 2014-01-13 | High-voltage integrated contactor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203673278U true CN203673278U (en) | 2014-06-25 |
Family
ID=50969551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420019466.1U Expired - Fee Related CN203673278U (en) | 2014-01-13 | 2014-01-13 | High-voltage integrated contactor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203673278U (en) |
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2014
- 2014-01-13 CN CN201420019466.1U patent/CN203673278U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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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: 20140625 Termination date: 20190113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |