CN205396087U - Mining built on stilts speed adjusting device who takes advantage of people's cableway - Google Patents
Mining built on stilts speed adjusting device who takes advantage of people's cableway Download PDFInfo
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- CN205396087U CN205396087U CN201620183396.2U CN201620183396U CN205396087U CN 205396087 U CN205396087 U CN 205396087U CN 201620183396 U CN201620183396 U CN 201620183396U CN 205396087 U CN205396087 U CN 205396087U
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Abstract
The utility model belongs to mining conveyer automatic control field discloses a mining built on stilts speed adjusting device who takes advantage of people's cableway and method, including gravity sensor, microprocessor, dc -to -ac converter, motor, every gravity sensor's output is connected with microprocessor's input, and microprocessor's output is connected with the control input of dc -to -ac converter end, and the load output and the input of motor of dc -to -ac converter are connected, and the motor is used for controlling the mining built on stilts speed of moving ahead of taking advantage of people's cableway, microprocessor is used for receiving the voltage signal that all gravity sensor sent, obtains the voltage signal's that all gravity sensor sent total to according to voltage signal's total and prestore's control strategy, confirm the output frequence of dc -to -ac converter, and the rotational speed of control motor, can reduce energy consumption and equipment running cost according to the functioning speed of the change automatic control motor of load, prolonged equipment life.
Description
Technical field
This utility model relates to mining transportation device automatic control technology field, particularly relates to the arrangements for speed regulation of a kind of mining overhead passenger cableway.
Background technology
Mine operation personnel transport is the important step in coal mining production process." safety regulations in coal mine " specifies: the length main haulage road more than 1.5km, to adopt machinery transport personnel time on and off duty.Existing mine personnel Transporting equipment mainly has tunnel man-bus, man car and overhead passenger cableway (being commonly called as monkey car).Wherein, overhead passenger cableway has safety height, strong adaptability, is easy to features such as controlling, simple to operate, obtains extensive utilization at home, it is ensured that the safety of mine staff, substantially increase coal mining efficiency in numerous mines.
At present, most domestic producer adopts the electric-control system electric-control system as overhead passenger cableway of elevator winch or ribbon conveyer, and the compatibility of both systems exists very big-difference.And, most domestic producer adopts anti-explosion is electromagnetic trigger drive motor, it is impossible to realize the function such as soft start and speed governing of four-quadrant frequency variation speed regulating device.
" type selecting of district rise overhead passenger cableway and installation " opinion that Li Qingyang in 2011 delivers the article pointed out that employing hydraulic technique drives overhead passenger cableway to achieve the functions such as stepless speed regulation, soft start, soft stop, improve the work efficiency of overhead passenger cableway, solve overhead passenger cableway and adopt the problem existing for motor, gear-box type of drive.Visible, existing overhead passenger cableway electric-control system generally can realize the basic actss such as the startup of device, acceleration, deceleration, stopping and safety arrestment, but the speed of service of people's car cannot be automatically controlled according to the change of load (artificial abortion), therefore energy consumption and operating cost are added, also increase the service wear of equipment simultaneously, shorten its service life.
Utility model content
For the problems referred to above, the purpose of this utility model is in that to provide the arrangements for speed regulation of a kind of mining overhead passenger cableway, it is possible to automatically controls the speed of service of monkey car according to the change of load, reduces energy consumption and equipment operating cost, extend service life of equipment.
For reaching above-mentioned purpose, embodiment of the present utility model adopts the following technical scheme that and is achieved.
Technical scheme one:
A kind of arrangements for speed regulation of mining overhead passenger cableway, described mining overhead passenger cableway comprises multiple chair lift, the plurality of chair lift is used for transporting miner, and described arrangements for speed regulation include: microprocessor, inverter, motor and the multiple gravity sensors corresponding with multiple chair lift；Each gravity sensor is for gathering the load simulation signal of corresponding chair lift, and is converted into voltage signal output；When chair lift has miner to take, gravity sensor output loading analogue signal, when chair lift is taken without miner, described gravity sensor non-output signal；
The outfan of each gravity sensor is connected with the input of described microprocessor, the outfan of described microprocessor is connected with the control input of described inverter, the load outputs of described inverter is connected with the input of described motor, and described motor is for controlling the front line speed of described mining overhead passenger cableway；
Described microprocessor is for receiving the voltage signal that all gravity sensors send, obtain the summation of the voltage signal that all gravity sensors send, and according to the summation of described voltage signal and the control strategy that prestores, determine the output frequency of inverter, and controlling the rotating speed of described motor, described control strategy is pre-stored within microprocessor.
The feature of technical solutions of the utility model one and being further improved to:
(1) according to the summation of described voltage signal and the control strategy that prestores, it is determined that the output frequency of inverter, specifically include:
If the summation of described voltage signal is more than or equal to the first predeterminated voltage, it is determined that inverter output first frequency, described first frequency controls described motor and runs according to normal speed；
If the summation of described voltage signal is less than described first predeterminated voltage and more than or equal to the second predeterminated voltage, then determine inverter output second frequency, described second frequency controls described motor and runs according to First Speed, and described First Speed is less than described normal speed；
If the summation of described voltage signal is less than described second predeterminated voltage, then motor described in described inverter control is out of service.
(2) described First Speed is the 1/5 of described normal speed.
Technical scheme two:
The speed regulating method of a kind of mining overhead passenger cableway, is applied to the arrangements for speed regulation of mining overhead passenger cableway as described in technical scheme one, and described speed regulating method includes:
Obtain the voltage signal of each gravity sensor output, it is determined that the summation of the voltage signal of all gravity sensors output；
Microprocessor is according to the summation of described voltage signal and the control strategy that prestores, it is determined that the output frequency of inverter, and controls the rotating speed of motor, described control strategy prestore with in microprocessor.
The feature of technical solutions of the utility model two and being further improved to:
(1) microprocessor is according to the summation of described voltage signal and the control strategy that prestores, it is determined that the alternating voltage of inverter output, specifically includes:
If the summation of described voltage signal is more than or equal to the first predeterminated voltage, it is determined that inverter output first frequency, described first frequency controls described motor and runs according to normal speed；
If the summation of described voltage signal is less than described first predeterminated voltage and more than or equal to the second predeterminated voltage, then determine inverter output second frequency, described second frequency controls described motor and runs according to First Speed, and described First Speed is less than described normal speed；
If the summation of described voltage signal is less than described second predeterminated voltage, then motor described in described inverter control is out of service.
(2) described First Speed is the 1/5 of described normal speed.
This utility model is compared with the conventional method, there is following Advantageous Effects: the automatic speed governing device that this utility model provides can select different mode of operations according to actual job personnel amount with speed regulating method, it is achieved thereby that determined, by the change of operating personnel artificial abortion, the suitable speed that equipment runs, achieve overhead passenger cableway and control the automatization of system, reduce operating cost and energy consumption simultaneously, reduce equipment attrition, improve service life of equipment.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the arrangements for speed regulation of a kind of mining overhead passenger cableway that Fig. 1 provides for this utility model embodiment；
The connection diagram of the arrangements for speed regulation of a kind of mining overhead passenger cableway that Fig. 2 provides for this utility model embodiment；
The schematic flow sheet of the speed regulating method of a kind of mining overhead passenger cableway that Fig. 3 provides for this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
This utility model embodiment provides the arrangements for speed regulation of a kind of mining overhead passenger cableway, described mining overhead passenger cableway comprises multiple chair lift A, the plurality of chair lift is used for transporting miner, as it is shown in figure 1, described arrangements for speed regulation include: multiple gravity sensors 1, microprocessor 2, inverter 3, motor 4.
As in figure 2 it is shown, each chair lift A lower surface installs a gravity sensor 1, described gravity sensor is for gathering the load simulation signal of chair lift, and is converted into voltage signal output；When chair lift has miner to take, gravity sensor output loading analogue signal, when chair lift is taken without miner, described gravity sensor non-output signal.
The outfan of each gravity sensor is connected with the input of described microprocessor, the outfan of described microprocessor is connected with the control input of described inverter, the load outputs of described inverter is connected with the input of described motor, and described motor is for controlling the front line speed of described mining overhead passenger cableway.
The rotating speed of motor calculates according to below equation:
In formula, n is motor speed (r/min), f be motor power frequency (Hz), s is motor slip ratio, and P is motor pole logarithm.
Motor speed n and motor power frequency f is proportional as shown from the above formula, and frequency f is more high, and motor speed n is more big.Therefore, it can control motor speed n by change motor power frequency f, thus controlling the running speed of overhead passenger cableway.
Microprocessor utilizes pulse width modulation (PWM) inverter, it is achieved motor variable-frequency speed-regulating.
Described microprocessor is for receiving the voltage signal that all gravity sensors send, obtain the summation of the voltage signal that all gravity sensors send, and according to the summation of described voltage signal and the control strategy that prestores, determine the output frequency of inverter, and controlling the rotating speed of described motor, described control strategy is pre-stored within microprocessor.
Further, according to the summation of described voltage signal and the control strategy that prestores, it is determined that the output frequency of inverter, specifically include:
If the summation of described voltage signal is more than or equal to the first predeterminated voltage, it is determined that inverter output first frequency, described first frequency controls described motor and runs according to normal speed；
If the summation of described voltage signal is less than described first predeterminated voltage and more than or equal to the second predeterminated voltage, then determine inverter output second frequency, described second frequency controls described motor and runs according to First Speed, and described First Speed is less than described normal speed；
If the summation of described voltage signal is less than described second predeterminated voltage, then motor described in described inverter control is out of service.
Above-mentioned three kinds of operational modes with the use of overhead passenger cableway can be made to be in different duties, finally can improve conevying efficiency when going into the well on mine staff, the more important thing is the huge energy waste that when can avoid going into the well on nobody, equipment idle running causes, substantially reduce power consumption, reach energy-conservation purpose.
Exemplary, described First Speed is the 1/5 of described normal speed.
This utility model embodiment also provides for the speed regulating method of a kind of mining overhead passenger cableway, is applied to the arrangements for speed regulation of mining overhead passenger cableway described in above-described embodiment, as it is shown on figure 3, described speed regulating method includes:
Step 1, obtains the voltage signal of each gravity sensor output, it is determined that the summation of the voltage signal of all gravity sensors output；
Step 2, microprocessor is according to the summation of described voltage signal and the control strategy that prestores, it is determined that the output frequency of inverter, and controls the rotating speed of motor, described control strategy prestore with in microprocessor.
Further, step 2 specifically includes:
If (2a) summation of described voltage signal is more than or equal to the first predeterminated voltage, it is determined that inverter output first frequency, described first frequency controls described motor and runs according to normal speed；
If (2b) summation of described voltage signal is less than described first predeterminated voltage and more than or equal to the second predeterminated voltage, then determine inverter output second frequency, described second frequency controls described motor and runs according to First Speed, and described First Speed is less than described normal speed；
If (2c) summation of described voltage signal is less than described second predeterminated voltage, then motor described in described inverter control is out of service.
Exemplary, described First Speed is the 1/5 of described normal speed.
Concrete, when underground work personnel take overhead passenger cableway chair lift, it is arranged on the gravity sensor below chair lift and added weight detected, the voltage signal of gravity sensor output and added weight linear function, and the voltage signal of the more big output of weight is more strong.This voltage signal is carried out numerical scale integral and calculating by microprocessor, to determine the parameter of frequency conversion speed-adjusting system medium speed proportional and integral controller, this microprocessor is connected with motor by PWM inverter, PWM inverter changes the input voltage of alternating current generator by changing frequency, thus realizing motor permanent torque frequency control.Electric machine speed regulation adopts rotating speed proportional and integral controller to carry out speed governing, and its rotating speed changes with the alternating voltage change of input.Overhead passenger cableway can be made after motor via reducer to be operated according to the speed after speed governing.
In limited load and restriction velocity interval, usual load is more big, and the overhead passenger cableway speed of service is more fast, proceeds to continuous operation mode, is conducive to improving overhead passenger cableway transport capacity.When scattered personnel go into the well, only part chair lift there is load, overhead passenger cableway undercapacity, microprocessor exports signal according to the sensor under this operating mode and carries out variable-frequency variable-voltage speed change in conjunction with PWM inverter and motor, the overhead passenger cableway speed of service reduces, and in the short time under no-load conditions, the overhead passenger cableway speed of service reduces to the 1/5 of normal speed, proceed to intermitten service pattern, advantageously reduce energy consumption.When overhead passenger cableway chair lift long-time non-loaded time, overhead passenger cableway transfers mode of operation out of service to.
This utility model is compared with the conventional method, there is following Advantageous Effects: the automatic speed governing device that this utility model provides can select different mode of operations according to actual job personnel amount with speed regulating method, it is achieved thereby that determined, by the change of operating personnel artificial abortion, the suitable speed that equipment runs, achieve overhead passenger cableway and control the automatization of system, reduce operating cost and energy consumption simultaneously, reduce equipment attrition, improve service life of equipment.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer read/write memory medium, this program upon execution, performs to include the step of said method embodiment；And aforesaid storage medium includes: the various media that can store program code such as ROM, RAM, magnetic disc or CDs.
The above; it is only detailed description of the invention of the present utility model; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; change can be readily occurred in or replace, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with described scope of the claims.
Claims (3)
1. the arrangements for speed regulation of a mining overhead passenger cableway, described mining overhead passenger cableway comprises multiple chair lift, the plurality of chair lift is used for transporting miner, it is characterised in that described arrangements for speed regulation include: microprocessor, inverter, motor and the multiple gravity sensors corresponding with multiple chair lift；Each gravity sensor is for gathering the load simulation signal of corresponding chair lift, and is converted into voltage signal output；When chair lift has miner to take, gravity sensor output loading analogue signal, when chair lift is taken without miner, described gravity sensor non-output signal；
The outfan of each gravity sensor is connected with the input of described microprocessor, the outfan of described microprocessor is connected with the control input of described inverter, the load outputs of described inverter is connected with the input of described motor, and described motor is for controlling the front line speed of described mining overhead passenger cableway；
Described microprocessor is for receiving the voltage signal that all gravity sensors send, obtain the summation of the voltage signal that all gravity sensors send, and according to the summation of described voltage signal and the control strategy that prestores, determine the output frequency of inverter, and controlling the rotating speed of described motor, described control strategy is pre-stored within microprocessor.
2. the arrangements for speed regulation of a kind of mining overhead passenger cableway according to claim 1, it is characterised in that according to the summation of described voltage signal and the control strategy that prestores, it is determined that the output frequency of inverter, specifically include:
If the summation of described voltage signal is more than or equal to the first predeterminated voltage, it is determined that inverter output first frequency, described first frequency controls described motor and runs according to normal speed；
If the summation of described voltage signal is less than described first predeterminated voltage and more than or equal to the second predeterminated voltage, then determine inverter output second frequency, described second frequency controls described motor and runs according to First Speed, and described First Speed is less than described normal speed；
If the summation of described voltage signal is less than described second predeterminated voltage, then motor described in described inverter control is out of service.
3. the arrangements for speed regulation of a kind of mining overhead passenger cableway according to claim 2, it is characterised in that described First Speed is the 1/5 of described normal speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620183396.2U CN205396087U (en) | 2016-03-10 | 2016-03-10 | Mining built on stilts speed adjusting device who takes advantage of people's cableway |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620183396.2U CN205396087U (en) | 2016-03-10 | 2016-03-10 | Mining built on stilts speed adjusting device who takes advantage of people's cableway |
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| CN205396087U true CN205396087U (en) | 2016-07-27 |
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| CN201620183396.2U Expired - Fee Related CN205396087U (en) | 2016-03-10 | 2016-03-10 | Mining built on stilts speed adjusting device who takes advantage of people's cableway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774822A (en) * | 2016-03-10 | 2016-07-20 | 长安大学 | Speed regulation device and method for mine aerial man-riding ropeway |
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2016
- 2016-03-10 CN CN201620183396.2U patent/CN205396087U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105774822A (en) * | 2016-03-10 | 2016-07-20 | 长安大学 | Speed regulation device and method for mine aerial man-riding ropeway |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20170310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |