CN202924500U - Construction hoist controller - Google Patents
Construction hoist controller Download PDFInfo
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- CN202924500U CN202924500U CN 201220613372 CN201220613372U CN202924500U CN 202924500 U CN202924500 U CN 202924500U CN 201220613372 CN201220613372 CN 201220613372 CN 201220613372 U CN201220613372 U CN 201220613372U CN 202924500 U CN202924500 U CN 202924500U
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Abstract
The utility model relates to a construction hoist controller, which comprises a height detection unit, a motion control unit and a processing unit, wherein the height detection unit is used for acquiring absolute height data of a position where a lift cage of a hoist is located; the motion control unit is used for controlling a power device and adjusting a motion direction and an acceleration state of the lift cage of the hoist; and the processing unit is respectively connected with the height detection unit and the motion control unit, comparing the absolute height data of the position where the lift cage of the hoist is located and absolute data of the height of a target storey and sending a signal for controlling the motion direction of the lift cage of the hoist to the motion control unit.
Description
Technical field
The utility model relates to a kind of building hoist controller, particularly be a kind of building hoist controller with automatic leveling function.
Background technology
Existing building hoist control system is mainly controlled by the common joint action table that elevator carries, basically have one or more the combination in the functions such as speed control, calling, flat bed, the building hoist control system that possesses above-mentioned functions adopts the centralized control such as PLC, frequency converter more and is equipped with complicated Circuits System.
Announced a kind of Intelligent lifter control device as Chinese patent CN201362531Y, it is core that said apparatus adopts the PLC module, each data module is connected with PLC by the CAN bus, it has loading detection and overload, floor call and story-leveling function, story-leveling function adopts coder to gather floor position information and is delivered to frequency-variable module, by the CAN bus, location information is delivered to PLC by frequency-variable module, realizes story-leveling function; But described device adopt position detecting module with frequency converter as building hoist flat bed testing circuit, circuit is complicated, story-leveling function adopts the coder realization, the problems such as zero creep, leveling error are large occur in the use procedure meeting; Adopting single PLC is control core, realizes above-mentioned each function, and system response speed is slow, maintenance difficulty is large; Such scheme is only loading detection and overload, floor call and story-leveling function module, and not with its joint action table part that integrates, it makes the building hoist system very complex need increase interlock circuit when building hoist self joint action table is combined, and has potential safety hazard.
In view of defects, the utility model creator has obtained this creation finally through long research and practice.
Summary of the invention
The purpose of this utility model is to provide a kind of building hoist controller, in order to overcome above-mentioned technological deficiency.
For achieving the above object, the technical solution adopted in the utility model is to provide a kind of building hoist controller, and it comprises:
One height detection unit is in order to obtain the absolute height data of elevator craning cage present position;
One motion control unit is in order to control sense of motion and the acceleration condition of engine installation adjustment elevator craning cage;
One processing unit, it is connected with motion control unit with described height detection unit respectively, absolute height data and the destination height absolute value data of described elevator craning cage present position are compared, send the signal of the sense of motion of controlling elevator craning cage to described motion control unit.
Better, described controller also comprises:
One Man Machine Interface unit, it is connected with described processing unit, in order to be connected with a human interface device, for the user to described controller input control order.
Better, described controller also comprises:
One calls out receiving element, and it is connected with described processing unit, in order to receive the signal of a calling set emission;
One call data memory cell, it is in order to store the signal of described calling set emission, for described calling set corresponding to described processing unit identification.
Better, described motion control unit comprises:
One speed control relay circuit is adjusted the acceleration of elevator craning cage in order to control described engine installation, slow down and uniform movement;
One hoists and the control relay circuit that descends, and it is adjusted rising operation, the decline operation of elevator craning cage and stops in order to controlling described engine installation.
Better, described speed control relay circuit comprises: one accelerates control relay is connected with described processing unit respectively with a deceleration control relay.
Better, described height detection unit comprises: an absolute height sensor, it is arranged on described elevator craning cage, in order to obtain real-time vertical height and position.
Better, described controller also comprises: an auxiliary power supply system, it provides power supply for described controller.
The beneficial effects of the utility model are compared with the prior art: the utility model building hoist controller has automatic leveling, floor call functional unit, in described building hoist automatic leveling process, make it have multiple running speed pattern by the measurement to absolute altitude numerical value, metering circuit is simple.
Description of drawings
Fig. 1 is embodiment one functional block diagram of the utility model building hoist controller;
Fig. 2 is the control part schematic diagram of the utility model building hoist controller embodiment two;
Fig. 3 is the utility model building hoist controller embodiment two floor call function block diagrams;
Fig. 4 is that the utility model building hoist controller embodiment two loading detections are controlled functional block diagram with overload;
Fig. 5 is that the utility model building hoist controller embodiment two acceleration of motion are controlled functional block diagram;
Fig. 6 is the utility model building hoist controller embodiment two story-leveling function block diagrams;
Fig. 7 is the utility model building hoist controller embodiment two software flow patterns.
The specific embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the utility model is above-mentioned.
See also shown in Figure 1ly, it is embodiment one functional block diagram of the utility model building hoist controller; In the present embodiment with comprising that processing unit 0 is connected: height detection unit 12, in order to obtain the absolute height data of elevator craning cage present position, described processing unit 0 compares absolute height data and the destination height absolute value data of described elevator craning cage present position, sends the signal of the sense of motion of controlling elevator craning cage to a motion control unit; Described motion control unit 10 is in order to receiving the control signal of described processing unit 0, thereby controls sense of motion and the acceleration condition that engine installation is adjusted elevator craning cage.
With also comprising that described processing unit 0 is connected: Man Machine Interface unit 24, it is in order to be connected with a human interface device, to described controller input control order, also comprise that one calls out receiving element 22, call data memory cell 23, LCDs 21 and auxiliary power supply system 25 for the user.
See also shown in Figure 2, it is the control part schematic diagram of the utility model building hoist controller embodiment two, different from embodiment one is, the present embodiment becomes one the functional modules such as speed control, floor call, automatic leveling control and joint action table, simplified the circuit structure of building hoist control system, when being complementary with building hoist, when avoiding independent control module to be installed on the building hoist joint action table, increase complicated line related.Characteristics as the present embodiment: the concurrent working pattern that adopts dual processor, each treater is processed respectively data separately, data-handling capacity and system's reliability of operation have been improved, the control core of described control system is the first processing unit 1 and the second processing unit 2, in the present embodiment with comprising that the first processing unit 1 is connected: floor data memory cell 11, it is in order to storing destination height absolute value data, and transfers for described the first processing unit; Loading detection unit 13, it is in order to obtaining the load capacity of described elevator craning cage, described the first processing unit receives described load capacity, and with its with a load threshold ratio, stop the motion of described elevator craning cage over described load threshold value the time; Height detection unit 12, in order to obtain the absolute height data of elevator craning cage present position, described the first processing unit 1 compares absolute height data and the destination height absolute value data of described elevator craning cage present position, sends the signal of the sense of motion of controlling elevator craning cage to a motion control unit 10; Described motion control unit 10 in order to receiving the control signal of described the first processing unit 1, thereby is controlled sense of motion and the acceleration condition that engine installation is adjusted elevator craning cage.
In the present embodiment, described the second processing unit 2 has ancillary control function, coupled comprises: Man Machine Interface unit 24, it is in order to be connected with a human interface device, to described controller input control order, also comprise that one calls out receiving element 22, call data memory cell 23, LCDs 21 and auxiliary power supply system 25 for the user.
Shown in Figure 2 in conjunction with consulting, described the first processing unit 1 and the second processing unit 2 are microprocessor, and it is lower with respect to the PLC cost, pass through data bus RS485/422 swap data between two processing units.described the first processing unit 1 comprises a slice High Performance SCM and peripheral circuit, described micro controller system can be MCS51 series, PIC series and AVR series etc., it is responsible for controlling the automatic leveling control of construction elevator cage, loading detection, data are processed and overload protection, its storage inside has the speed of described building hoist, accelerating curve data and algorithm operation procedure, load and acceleration/accel transfer algorithm operation procedure, simultaneously with the flat bed data, payload data coding packing is given described the second processing unit 2 and is received data from described the second processing unit 2, described flat bed data comprise current story height information, with the altitude figure data in real time such as destination range information.
Described the second processing unit 2 also comprises a slice High Performance SCM and peripheral circuit, be responsible for call data processing, human-machine interaction data processing, the display driver of load information, floor call information peace layer data information, simultaneously the first processing unit 1 is delivered in the packing of flat bed data encoding, and to the data that are received in the first processing unit 1 processing of unpacking, described flat bed data comprise story height, the destination digital information that described telltale shows.First and second processing unit central process unit works in the parallel data tupe, has improved data-handling capacity and has reduced again the system hardware cost.
Described floor data memory cell 11 is made of large capacity chip, it is in order to store each story height absolute value data, described the first processing unit 1 will compare corresponding with each story height absolute value data of described floor data memory cell 11 from the flat bed data that described peripheral circuit obtains, to determine in real time current floor, destination data in the flat bed data that described story height absolute value data and the first processing unit 1 receive are done difference, with definite and distance destination.
Described height detection unit 12 comprises the height sensor circuit, be connected with absolute height sensor 121 on it, it comprises high performance integrated circuit and connected precision optical machinery mechanism described absolute height sensor 121, and link with tooth bar, measure the real-time vertical dimension position of described construction elevator cage in the mode of total digitalization, and altitude information is transferred to the first processing unit 1, it also can substitute (seeing also shown in Figure 6) with the absolute value encoder with identical function.
Described loading detection unit 13 comprises an analog amplify circuit, it comprises an amplifying circuit 132 and high precision analogue change-over circuit 133, what be connected with described amplifying circuit 132 is a bearing pin sensor 131, described bearing pin sensor 131 is installed on the cage of described building hoist, in order to measure the cage load.Measure the cage load by bearing pin sensor 131, with the cage load take the mode conversion of linearity as the bearing pin output voltage signal, through described amplifying circuit 132 and analog to digital conversion circuit 133, cage load signal is converted to the numerical load signal, send described the first processing unit 1 to process.When measuring load information, the acceleration signal of cage can also be measured in described loading detection unit 13, after namely recording the load signal by described bearing pin sensor 131, transfer to described the first processing unit 1, described the first processing unit 1 uses Newton's laws of motion to can be calculated the acceleration/accel of described elevator, the threshold values of the accelerating curve that itself and described the first processing unit 1 are stored relatively, carry out reduction of speed or raising speed and control, realize the smooth running (seeing also shown in Figure 4) of described construction elevator cage.
described speed control relay circuit 15 is in order to receive the control signal of the first processing unit 1, which is provided with and accelerate control relay 151, deceleration control relay 152 and control relay 153 at the uniform velocity, because the utility model adopts two kinds at the uniform velocity, the mode of the multiple velocity mode of leveling speed and S-shaped curve realizes flat bed, store running velocity and the accelerating curve data of described construction elevator cage in the first processing unit 1, and in the situation that range ability and load determination, described construction elevator cage speed turnover is determined constantly, when the stage of bringing into operation needs acceleration/accel to increase, described the first processing unit 1 drives described acceleration control relay 151 and control relay 153 at the uniform velocity, realize the increase of acceleration/accel, when the needs acceleration/accel keeps constant, described acceleration control relay 151 and deceleration control relay 152 all disconnect, in the high-speed cruising stage, described at the uniform velocity control relay 153 keeps connecting, and in the time will reaching flat bed, described at the uniform velocity control relay 153 disconnects, and building hoist decelerates to low at the uniform velocity state, when needs reduce acceleration/accel, described the first processing unit 1 drives described deceleration control relay 152 actions, realize the reduction of acceleration/accel, namely move with leveling speed this moment, and the frequency that need not to change drive motor with frequency converter to be realizing the conversion of multiple speed, and langding accuracy with use frequency converter suitable.Described speed control relay circuit 15 is also gone here and there has the elevator handle to accelerate shelves, reduction gear and shelves at the uniform velocity, uses directly to control described elevator for operating personal and move under multiple velocity mode.
The utility model comprises a calling set 26, it can be preferably a wireless pager, it adopts the own coding chip, adopts code division multiple access pattern CDMA to encode to the This floor call information, and coded data is sent by antenna after the ISM of 315MHZ wave band adopts the ASK modulation.
Described calling receiving element 22 correspondences are preferably the wireless calling receiving element, it adopts the special-purpose receiving integrate circuit of superhet and peripheral circuit thereof, receive the radio frequency rf signal that described wireless pager sends, to comprise floor information RF signal and be demodulated into digital baseband signal, and do decoding for the second processing unit 2 and process.
Described call data memory cell 23 correspondences are preferably the wireless calling data storage cell, it is comprised of large capacity storage integrated circuit, in order to store the floor coded message of floor wireless beeper, for the second processing unit 2 corresponding wireless pagers of identification, the coding of described wireless pager and floor corresponding relation can change according to user's request, and be easy to maintenance.
Described Man Machine Interface unit 24 comprises dedicated button integrated circuit, keyboard 200 or touch-screen, loud speaker 27 etc., it accepts the flat bed key information of user's input, the second processing unit 2 is delivered in the key information packing, accept simultaneously the voice messaging of treater 2 outputs, send acoustic information to user (seeing also shown in Figure 6) by loud speaker 27.
Described LCDs 21 is connected with described the second processing unit 2, in order to show the cage real time load, to call out the real time informations such as floor, current floor, destination.
Described auxiliary power supply system 25 comprises large-capacity battery, in the situation that described elevator joint action table outage, partly power for floor call, guarantee described elevator joint action table system in the situation that power supply still can call accepted information, drive loud speaker 27; Simultaneously, in the situation that there is power supply in described elevator joint action table system, auxiliary power supply system 25 is automatically stopped power supply and is changed charge condition into.
The radical function of described building hoist controller has: function is controlled in floor call function, loading detection and overload, acceleration of motion is controlled function and story-leveling function, now each working process is described in detail.
floor call function: see also shown in Figure 3, its be the utility model building hoist integrated manipulator embodiment two system floor call functional block diagram as mentioned above, if a certain floor has demand, start the calling set 26 of respective storey, 26 pairs of This floor call informations of the calling set of described each floor adopt code division multiple access CDMA to encode, and coded data after adopting the ASK modulation, the ISM of 315MHZ wave band is sent by antenna, described calling receiving element 22 is transformed to the baseband encoder data with it after receiving the radio frequency call data of each floor, sending into described the second processing unit 2 encodes, decoding, to obtain corresponding floor call information, described the second processing unit 2 drives described LCDs 21 display call information, drive simultaneously described Man Machine Interface unit 24 and send corresponding floor call information by loud speaker 27.Each floor call device coding and the self-defined scheme of floor corresponding relation, simplify maintenance greatly in the utility model of the present invention, the convenient use.
loading detection is controlled function with overload: see also shown in Figure 4, it is that the utility model building hoist controller embodiment two loading detections are controlled functional block diagram with overload, described bearing pin sensor 131 with described construction elevator cage load signal take the mode conversion of linearity as the bearing pin output voltage signal, through analog amplify circuit, namely by described amplifying circuit 132 and analog to digital conversion circuit 133, the payload data of described construction elevator cage is converted to the numerical load signal, gathered by described the first processing unit 1 again, measure, be translated into payload data, described the first processing unit 1 is with load and predefined ultimate load data comparison within it, determine whether described building hoist overloads, if overload hoists and the control relay circuit 14 of descending cuts off and describedly hoists and descend control relay 142 by described, move to stop described building hoist, and use combined aural and visual alarm 143 prompting users, after load is lower than ultimate load, described the first processing unit 1 is according to move distance and load weight, select suitable acceleration factor and calculate the speed turnover constantly, determination of acceleration curve and velocity curve, and drive described speed control relay circuit 15 connection acceleration control relays 151, control elevator and move to destination with aero mode.Simultaneously, the first processing unit 1 sends the payload data packing to described the second processing unit 2, drives described LCDs 21 by described the second processing unit 2 and shows load weight.
acceleration of motion is controlled function: see also shown in Figure 5, it is that the utility model building hoist controller embodiment two acceleration of motion are controlled functional block diagram, when described building hoist in the destination operational process, on it, operation acceleration/accel of cage can cause payload data constantly to change, described bearing pin sensor 131 with described construction elevator cage load take the mode conversion of linearity as the bearing pin output voltage signal, by being transformed to the load signal after described amplifying circuit 132 and analog to digital conversion circuit 133, described the first processing unit 1 gathers, measure, and be translated into acceleration information, the accelerating curve threshold data that described the first processing unit 1 will speed up degrees of data and described the first processing unit 1 setting compares, when elevator craning cage moves acceleration/accel lower than setting threshold, described the first processing unit 1 automatically control connect described hoist and down relay control circuit 14 on High-speed Control relay 144, described cage acceleration/accel increases, until equate with predefined threshold values, and keep the operation acceleration/accel of described elevator craning cage, realize described building hoist smooth running, when elevator craning cage moves acceleration/accel higher than setting threshold, described the first processing unit 1 automatically control connect described hoist and down relay control circuit 14 on low speed control relay 145, described cage acceleration/accel reduces, until equate with predefined threshold values, and keep the operation acceleration/accel of described elevator craning cage.
Automatic leveling function: see also shown in Figure 6, it is the utility model building hoist controller embodiment two automatic leveling function block diagrams, described absolute height sensor 121 is measured described construction elevator cage operation vertical dimension position in the mode of total digitalization, altitude information is transferred to described the first processing unit 1, the first processing unit 1 determines relatively that with the floor data of story height data and floor data memory cell 11 current floor reaches and the destination distance, simultaneously the data packing is sent described the second processing unit 2 to show current floors.The human-computer interaction interface of described the second processing unit 2 receives the ownership goal floor information by keyboard 200, by Man Machine Interface unit 24, floor information is transferred to described the second processing unit 2, the second processing unit 2 sends back described the first processing unit 1 with the packing of destination data encoding, the sling height that the first processing unit 1 calls corresponding story height information and current building hoist compares, determine range ability, as previously mentioned, through the load weight detection with relatively, determine running state.In the utility model; range ability determines speed and the accelerating curve of described building hoist; in each cycle; acceleration/accel and speed all have various modes, especially have higher two kinds of travel at the uniform speed speed and lower leveling speeds, are accelerating and the decelerating phase; the velocity curve of described building hoist is S-shaped curve; make when bringing into operation with the flat bed shutdown, can realize flexible control, firm flat bed.Disconnect after described building hoist reaches destination and hoisting and the control relay 142 that descends is realized automatic leveling.
Another feature of the utility model automatic leveling function is, acceleration factor and the load weight of described building hoist are inverse ratio, there is difference in the operation acceleration/accel that is building hoist according to the difference of load weight, in the flat bed decelerating phase, in the certain situation of the suffered pulling force of described building hoist, load weight is larger, and the acceleration/accel that building hoist slows down is just less, and the flat bed required time is longer; Vice versa, and the flat bed control program that the pre-standing time of this flat bed is directly proportional to load has effectively improved langding accuracy.
See also shown in Figure 7ly, it is the utility model building hoist controller embodiment two software flow patterns, and the software running process of described the first processing unit 1 is: a11: system powers on; A12: port initialization; A13: read bearing pin sensor and height sensor state; Whether a14: detecting connected equipment has fault; If there is fault in equipment, carry out a15: point out the equipment of makeing mistakes, the prompting alarm code; If equipment does not have fault, carry out a cyclic program, comprising: a16: read the load of bearing pin sensor and the altitude information of height sensor; A17: process the load and the altitude information that read; A18: output lifter excess load and flat bed are controlled data; A19: to the second processing unit output flat bed and payload data, receive the button data of the second processing unit; A20: carry out data exchange with the second processing unit, above-mentioned five steps is one-period, and circulation is carried out.
The software running process of described the second processing unit 2 is: b11; System powers on; B12: port initialization; B13: read LCDs and Calling equipment dress attitude; Whether b14: detecting connected equipment has fault; If there is fault in equipment, carry out b15: point out the equipment of makeing mistakes, the prompting alarm code; If equipment does not have fault, carry out a cyclic program, comprising: b16: the calling receive data that reads calling set; B17: process the calling of reading and show data; B18: output display speech data; B19: receive the data that show the first processing unit, send button data to the first processing unit; B20: carry out data exchange with the first processing unit, above-mentioned five steps is one-period, and circulation is carried out.
The above is only preferred embodiment of the present utility model, is only illustrative for the utility model, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that the utility model claim limits, revise, and even equivalence, but all will fall in protection domain of the present utility model.
Claims (7)
1. a building hoist controller, is characterized in that, it comprises:
One height detection unit is in order to obtain the absolute height data of elevator craning cage present position;
One motion control unit is in order to control sense of motion and the acceleration condition of engine installation adjustment elevator craning cage;
One processing unit, it is connected with motion control unit with described height detection unit respectively, absolute height data and the destination height absolute value data of described elevator craning cage present position are compared, send the signal of the sense of motion of controlling elevator craning cage to described motion control unit.
2. building hoist controller according to claim 1, is characterized in that, described controller also comprises:
One Man Machine Interface unit, it is connected with described processing unit, in order to be connected with a human interface device, for the user to described controller input control order.
3. building hoist controller according to claim 2, is characterized in that, described controller also comprises:
One calls out receiving element, and it is connected with described processing unit, in order to receive the signal of a calling set emission;
One call data memory cell, it is in order to store the signal of described calling set emission, for described calling set corresponding to described processing unit identification.
4. building hoist controller according to claim 1, is characterized in that, described motion control unit comprises:
One speed control relay circuit is adjusted the acceleration of elevator craning cage in order to control described engine installation, slow down and uniform movement;
One hoists and the control relay circuit that descends, and it is adjusted rising operation, the decline operation of elevator craning cage and stops in order to controlling described engine installation.
5. building hoist controller according to claim 4, is characterized in that, described speed control relay circuit comprises: one accelerates control relay and a deceleration control relay, is connected with described processing unit respectively.
6. according to claim 1 or 4 described building hoist controllers, is characterized in that, described height detection unit comprises: an absolute height sensor, it is arranged on described elevator craning cage, in order to obtain real-time vertical height and position.
7. building hoist controller according to claim 1, is characterized in that, described controller also comprises: an auxiliary power supply system, it provides power supply for described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220613372 CN202924500U (en) | 2012-11-20 | 2012-11-20 | Construction hoist controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220613372 CN202924500U (en) | 2012-11-20 | 2012-11-20 | Construction hoist controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202924500U true CN202924500U (en) | 2013-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220613372 Expired - Fee Related CN202924500U (en) | 2012-11-20 | 2012-11-20 | Construction hoist controller |
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| Country | Link |
|---|---|
| CN (1) | CN202924500U (en) |
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2012
- 2012-11-20 CN CN 201220613372 patent/CN202924500U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20161120 |