CN203057065U - Special frequency converter for mine hoisting - Google Patents
Special frequency converter for mine hoisting Download PDFInfo
- Publication number
- CN203057065U CN203057065U CN2012205740598U CN201220574059U CN203057065U CN 203057065 U CN203057065 U CN 203057065U CN 2012205740598 U CN2012205740598 U CN 2012205740598U CN 201220574059 U CN201220574059 U CN 201220574059U CN 203057065 U CN203057065 U CN 203057065U
- Authority
- CN
- China
- Prior art keywords
- voltage
- mine hoisting
- electric current
- utility
- model
- 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 - Lifetime
Links
Images
Landscapes
- Control Of Ac Motors In General (AREA)
Abstract
The utility model provides a special frequency converter for mine hoisting. The special frequency converter for mine hoisting is composed of a main loop and a control loop; the main loop is provided with a motor joint, a motor, a brake unit, a direct current reactor, a contactor, a circuit breaker, a three-phase alternating current power supply and a power supply grounding wire; the control loop comprises a forward rotation device, a reverse rotation device, a fault reset device, a drag brake signal device, a safety loop, a mancar switching device, a fast parking device, a speed setting device, an operation panel interface, an extension interface, an output voltage interface, a current output interface, a fault output interface, an operation indicating lamp and an alarm indicating lamp. The special frequency converter for mine hoisting of the utility model has the advantages of large energy-saving space, conformation to national energy-saving and emission reduction policies, structural simplicity and convenient usage.
Description
[technical field]
The utility model relates to a kind of circuit control system, especially a kind of mineral products place mine hoisting special converter for high flow rate, high pollution.
[background technology]
At present, traditional mineral products industry characteristic China ore resources excavation industry forms the development model of extensive style, high flow rate, high pollution for a long time, made resource and environment to the stage that is difficult to bear, so the realization that ore resources exploitation industry energy conservation reduces discharging just have very important strategic importance.And elevator is the most a kind of conveying equipment in the mine, and the elevator simple classification is for singly colluding formula and two two kinds of formulas of colluding.Shortcoming of above-mentioned traditional elevator is, domestic most mine hoist generally uses and exchanges the winding motor rotor series resistance speed at present, its failure rate height, maintenance workload is big, above-mentioned another shortcoming of traditional elevator is shortcomings such as control performance difference and waste of energy be serious, and frequency converter timing will become trend.
[utility model content]
In order better to propose the application of variable-frequency governor, it is a kind of for the mine hoisting special converter that the utility model provides.
Main purpose of the present invention is that the mine hoisting special converter is high-performance vector control type frequency converter.Product has adopted the Speedless sensor vector control technology synchronous fully with the leading technology in the present world, not only have and the same excellent control performance of the high-end frequency converter in the world, simultaneously also in conjunction with Chinese application characteristic, in the ore resources production industry, further strengthen adaptability and customization and the industry-specific design of reliability of products and environment, can satisfy the demand of various transmission application better.
Provided by the utility model a kind of for the mine hoisting special converter, formed by major loop and control loop; Described major loop is provided with electric machine joint, motor, brake unit, direct current reactor, contactor, circuit breaker, three-phase alternating-current supply, the power ground line, described power ground line, electric machine joint is connected to ground, described motor is connected with major loop, described brake unit, described direct current reactor is connected with described major loop respectively, described three-phase alternating-current supply is connected with described major loop, be provided with circuit breaker between described three-phase alternating-current supply and the major loop, contactor, described control loop just comprises to be changeed, counter-rotating, fault resets, drag the lock signal, safety return circuit, people's car switches, stop fast, speed is given, the guidance panel interface, expansion interface, voltage output, electric current output, fault output, run indicator, alarm lamp describedly just changes, counter-rotating, fault resets, drag the lock signal, safety return circuit, people's car switches, stop fast, speed is given, the guidance panel interface, expansion interface, voltage output, electric current output, fault output, run indicator, alarm lamp is the access control loop respectively;
As further improvement of the utility model, described motor is provided with earth connection;
As further improvement of the utility model, described voltage output, electric current output all also are provided with earth connection;
As further improvement of the utility model, the given voltage of described speed is direct voltage 0～10V, and electric current is 0～20mA;
As further improvement of the utility model, the voltage of described voltage output is direct voltage 0～20V, electric current 0～20mA;
As further improvement of the utility model, the voltage of described electric current output is direct voltage 0～20V, electric current 0～20mA;
As further improvement of the utility model, the voltage of described fault output is alternating voltage 250V, electric current 1A; The voltage of described fault output is direct voltage 30V, electric current 1A;
As further improvement of the utility model, the below of described control loop also is provided with analog input/outlet terminal resistance selector switch, can carry out ON/OFF and select;
As further improvement of the utility model, described for mine hoisting patent frequency converter, 0.25Hz is issued to 180% under the staring torque open loop situations.
The beneficial effects of the utility model are: what the utility model provided is a kind of for the mine hoisting special converter, its load characteristic of elevator (comprising other elevator), belong to permanent torque heavy-load type equipment, consider that from the fail safe aspect transducer power is in requisition for two grades greater than motor rated power.Such as, if motor is 75KW, the frequency converter of selection should be at least 110KW, in addition, need add dynamic braking unit or regenerative braking unit, has multiple advantage simultaneously.
[description of drawings]
Fig. 1 is major loop circuit connection diagram of the present utility model.
Fig. 2 is control loop circuit connection diagram of the present utility model.
[specifically implementing formula]
For to provided by the utility model be a kind of for the mine hoisting special converter, this technology is explained clearlyer, special is described in detail with accompanying drawing.
In conjunction with Fig. 1 and shown in Figure 2, provided by the utility model is a kind of for the mine hoisting special converter, is made up of major loop 100 and control loop 200.
Wherein, described major loop 100 is provided with electric machine joint 101, motor 102, brake unit 103, direct current reactor 104, contactor 105, circuit breaker 106, three-phase alternating-current supply 107, power ground 108; Described power ground line 108, electric machine joint 101 are connected to ground, described motor 102 is connected with major loop 100, described brake unit 103, described direct current reactor 104 are connected with described major loop respectively, described three-phase alternating-current supply 107 is connected with described major loop, is provided with circuit breaker 106, contactor 105 between described three-phase alternating-current supply 107 and the major loop 100;
Described control loop 200 comprises just changes 201, counter-rotating 202, fault reset 203, drag lock signal 204, safety return circuit 205, people's car to switch 206, stop 207 fast, speed is given 208, guidance panel interface 209, expansion interface 210, voltage output 211, electric current output 212, fault output 213, run indicator 214, alarm lamp 215; Describedly just changeing 201, counter-rotating 202, fault reset 203, drag lock signal 204, safety return circuit 205, people's car to switch 206, stop 207 fast, speed is given 208, guidance panel interface 209, expansion interface 210, voltage output 211, electric current output 212, fault output 213, run indicator 214, alarm lamp 215 access control loops respectively;
As further improvement of the utility model, described motor 102 is provided with earth connection;
As further improvement of the utility model, described voltage output 211, electric current output 212 all also are provided with earth connection;
As further improvement of the utility model, given 208 voltages of described speed are direct voltage 0～10V, and electric current is 0～20mA;
As further improvement of the utility model, the voltage of described voltage output is direct voltage 0～20V, electric current 0～20mA;
As further improvement of the utility model, the voltage of described electric current output is direct voltage 0～20V, electric current 0～20mA;
As further improvement of the utility model, the voltage of described fault output is alternating voltage 250V, electric current 1A; The voltage of described fault output is direct voltage 30V, electric current 1A;
As further improvement of the utility model, the below of described control loop also is provided with analog input/outlet terminal resistance selector switch, can carry out ON/OFF and select;
As further improvement of the utility model, described for mine hoisting patent frequency converter, 0.25Hz is issued to 180% under the staring torque open loop situations;
Should have powerful low frequency moment for the mine hoisting special converter and eliminate slide hook phenomenon;
Should be used for the mine hoisting special converter and brake at uphill process midway, just can pull up weight halfway, and not need weight is put on the level land and restart;
Should be used for mine hoisting special converter wagon box derailing failure rate obviously reduces.Accelerate stably and slow down, the possibility of having avoided winch to slide down has also significantly reduced the wearing and tearing of machinery and rope;
Should be used for the intelligent fault of mine hoisting special converter and judge, reduce maintenance workload, simple, convenient, have multiple defencive function, guarantee that system is more safe and reliable; Have hypervelocity limiting protecting function, when winch speed surpassed to a certain degree, the volitional check maximum speed had improved fail safe greatly; Has reliable band-type brake sequencing control function; unclamp band-type brake again in advance when starting enough moment; guarantee can not descend to slip; band-type brake is held tightly in the time of dead halt soon but when also having moment output; when breaking down or safety return circuit when going wrong; can realize mechanical brake automatically, guarantee safety.
Superpower system protection function and adaptive capacity to environment possess perfect nearly 32 kinds of defencive functions, guarantee system safety stable operation.Powerful electrical network adaptive capacity, the voltage ripple of power network scope makes its maximizing the benefits, and the energy saving space is big, meets national energy-saving and emission-reduction policy, and when mine hoist was in the lifting state, energy and the rotating speed of saving were directly proportional; When being in when transferring state, motor is in generating state, if adopt energy feedback unit, the energy of saving not only is directly proportional with rotating speed, but also adds the energy of feedback.
Principle of the present utility model and advantage are: the mine hoisting special converter has reduced the contactor of original system and the extra maintenance workload of speed adjusting resistance, reduce maintenance cost greatly, also has perfect multilayer defencive function, and output faulty indication, can solve a problem promptly, not influence the normal production time; Panel carries the parameter copy function, the workload that has reduced debugging greatly and safeguarded; Support the power frequency frequency conversion to switch, support and original system and deposit after the frequency converter transformation, do not change original system anything; Hypervelocity limiting protecting function, when winch speed surpassed to a certain degree, the volitional check maximum speed had improved fail safe greatly; Reliable band-type brake sequencing control function, unclamp band-type brake again in advance when starting enough moment, guarantee can not descend to slip, band-type brake is held tightly in the time of dead halt soon but when also having moment output, when breaking down or safety return circuit when going wrong, can realize mechanical brake automatically, guarantee safety; Superpower system protection function and adaptive capacity to environment.Possess perfect nearly 32 kinds of defencive functions, guarantee system safety stable operation, powerful electrical network adaptive capacity, voltage ripple of power network scope 320V-480V, frequency conversion is operate as normal in the same old way; Can use with mechanical brake and safety return circuit perfect cooperation, can with the safety return circuit compatibility of original system, simultaneously and the perfect cooperation of all kinds mechanical brake, ensured the safety of whole system to greatest extent; When mine hoist was in the lifting state, energy and the rotating speed of saving were directly proportional; When being in when transferring state, motor is in generating state, if adopt energy feedback unit, the energy of saving not only is directly proportional with rotating speed, but also adds the energy of feedback.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (7)
1. one kind is used for the mine hoisting special converter, it is characterized in that: formed by major loop and control loop, described major loop is provided with electric machine joint, motor, brake unit, direct current reactor, contactor, circuit breaker, three-phase alternating-current supply, power ground line, described power ground line, electric machine joint are connected to ground, described motor is connected with major loop, described brake unit, described direct current reactor are connected with described major loop respectively, described three-phase alternating-current supply is connected with described major loop, is provided with circuit breaker, contactor between described three-phase alternating-current supply and the major loop.
2. according to claim 1 for the mine hoisting special converter, it is characterized in that: described motor is provided with earth connection.
3. according to claim 1 for the mine hoisting special converter, it is characterized in that: described voltage output, electric current output all also are provided with earth connection.
4. according to claim 1 for the mine hoisting special converter, it is characterized in that: the given voltage of described speed is direct voltage 0～10V, and electric current is 0～20mA.
5. according to claim 1 for the mine hoisting special converter, it is characterized in that: the voltage of described voltage output is direct voltage 0～20V, electric current 0～20mA.
6. according to claim 1 for the mine hoisting special converter, it is characterized in that: the voltage of described electric current output is direct voltage 0～20V, electric current 0～20mA.
7. according to claim 1 for the mine hoisting special converter, it is characterized in that: the voltage of described fault output is alternating voltage 250V, electric current 1A; The voltage of described fault output is direct voltage 30V, electric current 1A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205740598U CN203057065U (en) | 2012-11-01 | 2012-11-01 | Special frequency converter for mine hoisting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205740598U CN203057065U (en) | 2012-11-01 | 2012-11-01 | Special frequency converter for mine hoisting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203057065U true CN203057065U (en) | 2013-07-10 |
Family
ID=48739981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205740598U Expired - Lifetime CN203057065U (en) | 2012-11-01 | 2012-11-01 | Special frequency converter for mine hoisting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203057065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003617A (en) * | 2019-12-19 | 2020-04-14 | 临沂矿业集团菏泽煤电有限公司 | Elevator control system for coal mine, overspeed alarm method and residue detection method |
-
2012
- 2012-11-01 CN CN2012205740598U patent/CN203057065U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111003617A (en) * | 2019-12-19 | 2020-04-14 | 临沂矿业集团菏泽煤电有限公司 | Elevator control system for coal mine, overspeed alarm method and residue detection method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101665220B (en) | Variable-frequency speed-regulating control system of crane | |
| CN202004604U (en) | Multi-winding serial-connection variable-capacity induction motor and control device thereof | |
| CN107528383B (en) | Super capacitor UPS power supply device for mine hoist | |
| CN103916069A (en) | Supercapacitor energy storing type elevator discharge control protector | |
| CN204150825U (en) | A kind of building hoist frequency-conversion control cabinet | |
| CN203057065U (en) | Special frequency converter for mine hoisting | |
| CN204144996U (en) | A kind of multiple control lift energy feedback net arrangement with super capacitor | |
| CN201577061U (en) | Electric machine control device of a mine hoist | |
| CN102594227B (en) | Variable frequency control system and engineering machine with same | |
| CN202103583U (en) | Mining explosion-proof and intrinsically safe AC frequency converter | |
| CN201447728U (en) | Fully-digital frequency-converting speed-regulating control system of excavator | |
| CN206135759U (en) | Oil recovery well group intelligent control economizer | |
| CN102464235A (en) | Improved new-energy elevator | |
| CN202785357U (en) | Intelligent brake for slack rope protection | |
| CN105281642A (en) | Mining flameproof intrinsically-safe AC variable-frequency system suitable for two-speed motor | |
| CN203392648U (en) | Construction hoist control system | |
| CN203827239U (en) | Super capacitor energy-storing elevator discharge control protection circuit | |
| CN204578105U (en) | A kind of energy feedback system based on port crane | |
| CN204847957U (en) | Tower crane all -in -one | |
| CN200990575Y (en) | Elevator frequency changer external hanging energy feedback device | |
| CN105356509A (en) | Lifting machinery matrix type energy feedback transmission system | |
| CN202218025U (en) | Hoist energy feedback device having emergency function | |
| CN203269452U (en) | Steady braking circuit for variable amplitudes of single-jib crane | |
| CN201942394U (en) | Modified new energy elevator | |
| CN201990351U (en) | New energy elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN CANWORLD ELECTRICAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHENZHEN CANWORLD CONTROL TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518057 Guangdong Province, Shenzhen city Nanshan District science and Technology Industrial Park Qiong Yu Road No. 8 Jinke company office building 6 floor 601 Patentee after: SHENZHEN CANWORLD ELECTRICAL TECHNOLOGY Co.,Ltd. Address before: 518057 Guangdong Province, Shenzhen city Nanshan District science and Technology Industrial Park Qiong Yu Road No. 8 Jinke company office building 6 floor 601 Patentee before: Shenzhen Kangwo Control Technology Development Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |