CN205283452U - Mining variable frequency speed device is tracked in intelligent load of high pressure with communication function - Google Patents
Mining variable frequency speed device is tracked in intelligent load of high pressure with communication function Download PDFInfo
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- CN205283452U CN205283452U CN201521089156.8U CN201521089156U CN205283452U CN 205283452 U CN205283452 U CN 205283452U CN 201521089156 U CN201521089156 U CN 201521089156U CN 205283452 U CN205283452 U CN 205283452U
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- explosion
- fan case
- flameproof cabinet
- load
- intelligent load
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Abstract
The utility model discloses a mining variable frequency speed device is tracked in intelligent load of high pressure with communication function, including flame proof box, flame proof box door, explosion -proof fan case, junction box, ac contactor group, protector, relay group, the contactor that discharges, discharge resistance and transformer, be equipped with operating button subassembly and transparent observation window on flame proof box door, its characterized in that: the fixed heat pipe cooling ware that feeds through with the explosion -proof fan case that is equipped with in upper portion in the back wall in the flame proof box, variable frequency speed governing(VFSG) ware and PLC control module are followed the tracks of in the fixed intelligent load that is equipped with work alternating voltage 1140V in the front side of heat pipe cooling ware, the MODBUS module is connected to PLC control module's communication terminal pin. The device not only has the change of tracking the load, can have functions such as communication, control moreover according to the load of external world's change automatically regulated motor, and control is nimble, the line is few, the programming is simple, the reliability is high.
Description
Technical field
This utility model relate to a kind of intelligent load follow the trail of mining variable frequency speed regulator improvement, specifically a kind of can pass through PLC carry out telecommunication, suitable in threephase asynchronous machine 1140V rated operational voltage have communication function high-voltage intelligent load tracking mining variable frequency speed regulator.
Background technology
Threephase asynchronous is widely used in various industrial and mining establishment, has specified voltage, but during general threephase asynchronous type selecting, it is all select motor by peak load, but load changes over and changes, in most cases, load is not work at rated loads. Under mine, institute's use converter is common converter at present, independent is arranged in the electrical control cubicles with flame proof function, common converter, it is generally adopted U/F control, it is when frequency modulation, and the ratio of its output voltage and frequency is certain, unrelated with the load of motor, this has resulted in the phenomenon of low load with strong power, wastes electric energy. In order to change this phenomenon, our company has succeeded in developing " intelligent load follows the trail of mine explosion-suppression RHVC ", and obtained national patent, the patent No. is " 201220427208.8 ", its principle is to have employed load tracking algorithm, can the load of on-line monitoring motor, automatically the switching frequency of gate insulation high power transistor (IGBT) is adjusted, the electric current provided to motor, voltage, frequency are carried out dynamic optimized combination, the power factor making motor brings up to more than 0.9, and energy consumption reaches minimum. But in application process, still suffer from following deficiency: one is do not possess communication function, lack PID control, the operation of the machine, fault message cannot be sent to far-end control centre; Two is the application not being suitable for high pressure 1140V occasion.
Summary of the invention
The purpose of this utility model is in that providing a kind of can not only carry out summary responses to the arbitrarily change of load, the electric current provided to motor, voltage, frequency are carried out dynamic optimized combination, and load running, fault message can be sent to far-end control centre, it is adaptable to mining variable frequency speed regulator is followed the trail of in the high-voltage intelligent load with communication function in the main line of more than 1140V voltage.
In order to reach object above, this utility model be the technical scheme is that this has the high-voltage intelligent load of communication function and follows the trail of mining variable frequency speed regulator, including flameproof cabinet, flameproof cabinet door, explosion-proof fan case, junction box, A.C. contactor group, safeguard, relay group, electric discharge catalyst, discharge resistance and transformator, A.C. contactor group, safeguard, relay group, transformator, electric discharge catalyst and discharge resistance are sequentially arranged on the base plate in flameproof cabinet, junction box is fixed on the right side wall of flameproof cabinet, explosion-proof fan case is fixed on outside the rear wall of flameproof cabinet, the upper end of explosion-proof fan case exceeds the roof of flameproof cabinet, it is provided with blower fan in explosion-proof fan case, flameproof cabinet door is provided with operation button assembly and transparent sight hole, operation button assembly and transparent sight hole stretch out the outer plate surface of flameproof cabinet door, winding of transformator connects 1140V main line, Secondary Winding contact relay group simultaneously and operation button assembly, the blower fan in explosion-proof fan case accesses 1140V main line by A.C. contactor, when ventilating not smooth, start the blower fan in explosion-proof fan case, it is characterized in that: the rear wall middle and upper part in flameproof cabinet is fixed with the heat-pipe radiator connected with explosion-proof fan case, the intelligent load being fixed with work exchange voltage 1140V in the front side of heat-pipe radiator follows the tracks of variable-frequency governor, and the intelligent load at work exchange voltage 1140V is followed the tracks of the bottom side of variable-frequency governor and installed PLC control module by boatswain chair, the intelligent load of I/O terminal pins and work exchange voltage 1140V that described PLC controls module is followed the tracks of the sub-pin of corresponding controling end of variable-frequency governor and is connected, PLC controls the analog quantity pin of module and is connected with sensor, and PLC controls the communication terminal pin of module and connects MODBUS module, described blower fan and intelligent load follow the tracks of the triple line of the equal cut-in operation alternating voltage 1140V of variable-frequency governor.
This utility model is implemented also by following measure: much more no longer it is " intelligent load follows the trail of mine explosion-suppression RHVC " disclosed in the patent No. " 201220427208.8 " that the intelligent load of described work exchange voltage 1140V follows the tracks of variable-frequency governor, therefore to chat.
The beneficial effects of the utility model are in that: mining variable frequency speed regulator is followed the trail of in this high-voltage intelligent load with communication function, adopt secondary tracking technique, it it is once the change following the trail of load with PLC, one is use load tracking RHVC, provide the load (realizing by changing motor speed) that can change (sensor) self-regulation motor according to the external world, automatic tracing follows the tracks of the change of load, the output making motor is minimum, consume lower, and owing to have employed PLC, not only it is provided with communication, the functions such as control, again because PLC controls flexibly, line is few, programming is simple, reliability is high, it is easier to constitute an automation control system with miscellaneous equipment.
Accompanying drawing explanation
Fig. 1 is that structure forward sight of the present utility model launches schematic diagram;
Fig. 2 is assembling structural circuit principle schematic of the present utility model.
In figure: 1, flameproof cabinet; 2, flameproof cabinet door; 3, explosion-proof fan case; 4, junction box; 5, A.C. contactor group; 6, safeguard; 7, relay group; 8, electric discharge catalyst; 9, discharge resistance; 10, operation button assembly; 11, transparent sight hole; 12, transformator; 13, heat-pipe radiator; 14, the intelligent load of work exchange voltage 1140V follows the tracks of variable-frequency governor; 15, boatswain chair; 16, PLC controls module; 17, blower fan.
Detailed description of the invention
This utility model is made with reference to Fig. 1, Fig. 2. mining variable frequency speed regulator is followed the trail of in this high-voltage intelligent load with communication function, including flameproof cabinet 1, flameproof cabinet door 2, explosion-proof fan case 3, junction box 4, A.C. contactor group 5, safeguard 6, relay group 7, electric discharge catalyst 8, discharge resistance 9 and transformator 12, A.C. contactor group 5, safeguard 6, relay group 7, transformator 12, electric discharge catalyst 8 and discharge resistance 9 are sequentially arranged on the base plate in flameproof cabinet 1, junction box 4 is fixed on the right side wall of flameproof cabinet 1, explosion-proof fan case 3 is fixed on outside the rear wall of flameproof cabinet 1, the upper end of explosion-proof fan case 3 exceeds the roof of flameproof cabinet 1, blower fan 17 it is provided with in explosion-proof fan case 3, flameproof cabinet door 2 is provided with operation button assembly 10 and transparent sight hole 11, operation button assembly 10 and transparent sight hole 11 stretch out the outer plate surface of flameproof cabinet door 2, winding of transformator 12 connects 1140V main line, Secondary Winding contact relay group 7 simultaneously and operation button assembly 10, the blower fan 17 in explosion-proof fan case 3 accesses 1140V main line by A.C. contactor 5, when ventilating not smooth, start the blower fan 17 in explosion-proof fan case 3, it is characterized in that: the rear wall middle and upper part in flameproof cabinet 1 is fixed with the heat-pipe radiator 13 connected with explosion-proof fan case 3, the intelligent load being fixed with work exchange voltage 1140V in the front side of heat-pipe radiator 13 follows the tracks of variable-frequency governor 14, and the intelligent load at work exchange voltage 1140V is followed the tracks of the bottom side of variable-frequency governor 14 and installed PLC control module 16 by boatswain chair 15, the intelligent load of I/O terminal pins and work exchange voltage 1140V that described PLC controls module 16 is followed the tracks of the sub-pin of corresponding controling end of variable-frequency governor 14 and is connected, PLC controls the analog quantity pin of module 16 and is connected with sensor, PLC controls the communication terminal pin of module 16 and connects MODBUS module, for supporting fieldbus and EPA, it is achieved communication function, the intelligent load of described blower fan 17 and work exchange voltage 1140V follows the tracks of the triple line of the equal cut-in operation alternating voltage 1140V of variable-frequency governor 14.
This utility model is implemented also by following measure: much more no longer the intelligent load of described work exchange voltage 1140V follows the tracks of variable-frequency governor 14 for " intelligent load follows the trail of mine explosion-suppression RHVC " disclosed in the patent No. " 201220427208.8 ", therefore to chat.
Operation principle of the present utility model is: PLC controls the signal that module 16 gathers the sensor of outside triple line, size according to extraneous sensor, pass through PID arithmetic, the rotating speed of control terminal controlling function load follow-up mechanism, intelligent load follow-up mechanism further according to the change of load under different rotating speeds, is automatically adjusted the size of output voltage automatically according to the change of load. Described PLC controls module, with functions such as analog input and output, I/O control terminal, MOBUS communications. Described sensor, the difference according to workplace, it is possible to select different models, for instance use selection liquid-pressure pick-up on constant pressure water supply, use on blower fan, select temperature sensor etc. It is 1140V electric pressure that described intelligent load follows the tracks of RHVC, and its internal inverters module adopts three-level structure.
Claims (1)
1. mining variable frequency speed regulator is followed the trail of in the high-voltage intelligent load with communication function, including flameproof cabinet (1), flameproof cabinet door (2), explosion-proof fan case (3), junction box (4), A.C. contactor group (5), safeguard (6), relay group (7), electric discharge catalyst (8), discharge resistance (9) and transformator (12), A.C. contactor group (5), safeguard (6), relay group (7), transformator (12), electric discharge catalyst (8) and discharge resistance (9) are sequentially arranged on the base plate in flameproof cabinet (1), junction box (4) is fixed on the right side wall of flameproof cabinet (1), explosion-proof fan case (3) is fixed on outside the rear wall of flameproof cabinet (1), the upper end of explosion-proof fan case (3) exceeds the roof of flameproof cabinet (1), blower fan (17) it is provided with in explosion-proof fan case (3), flameproof cabinet door (2) is provided with operation button assembly (10) and transparent sight hole (11), operation button assembly (10) and transparent sight hole (11) stretch out the outer plate surface of flameproof cabinet door (2), winding of transformator (12) connects 1140V main line, Secondary Winding contact relay group (7) simultaneously and operation button assembly (10), blower fan (17) in explosion-proof fan case (3) accesses 1140V main line by A.C. contactor (5), it is characterized in that: the rear wall middle and upper part in flameproof cabinet (1) is fixed with the heat-pipe radiator (13) connected with explosion-proof fan case (3), the intelligent load being fixed with work exchange voltage 1140V in the front side of heat-pipe radiator (13) follows the tracks of variable-frequency governor (14), and the intelligent load at work exchange voltage 1140V is followed the tracks of the bottom side of variable-frequency governor (14) and installed PLC control module (16) by boatswain chair (15), the intelligent load of I/O terminal pins and work exchange voltage 1140V that described PLC controls module (16) is followed the tracks of the sub-pin of corresponding controling end of variable-frequency governor (14) and is connected, PLC controls the analog quantity pin of module (16) and is connected with sensor, and PLC controls the communication terminal pin of module (16) and connects MODBUS module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521089156.8U CN205283452U (en) | 2015-12-24 | 2015-12-24 | Mining variable frequency speed device is tracked in intelligent load of high pressure with communication function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521089156.8U CN205283452U (en) | 2015-12-24 | 2015-12-24 | Mining variable frequency speed device is tracked in intelligent load of high pressure with communication function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205283452U true CN205283452U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521089156.8U Expired - Fee Related CN205283452U (en) | 2015-12-24 | 2015-12-24 | Mining variable frequency speed device is tracked in intelligent load of high pressure with communication function |
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| CN (1) | CN205283452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756920A (en) * | 2018-05-31 | 2018-11-06 | 辽宁三三工业有限公司 | A kind of cutter head of shield machine rotary control device based on variable-frequency motor rotating speed |
-
2015
- 2015-12-24 CN CN201521089156.8U patent/CN205283452U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108756920A (en) * | 2018-05-31 | 2018-11-06 | 辽宁三三工业有限公司 | A kind of cutter head of shield machine rotary control device based on variable-frequency motor rotating speed |
| CN108756920B (en) * | 2018-05-31 | 2024-05-28 | 辽宁三三工业有限公司 | Shield constructs quick-witted blade disc rotation control equipment based on inverter motor rotational speed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160601 Termination date: 20161224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |