CN201447315U - Wireless communication security device for operation of tower cranes - Google Patents
Wireless communication security device for operation of tower cranes Download PDFInfo
- Publication number
- CN201447315U CN201447315U CN2009200162890U CN200920016289U CN201447315U CN 201447315 U CN201447315 U CN 201447315U CN 2009200162890 U CN2009200162890 U CN 2009200162890U CN 200920016289 U CN200920016289 U CN 200920016289U CN 201447315 U CN201447315 U CN 201447315U
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- wireless communication
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- tower crane
- safety device
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Abstract
The utility model relates to a wireless communication security device for the operation of tower cranes, which relates to a monitoring device. The device comprises a main controller and a wireless bridge. The main controller is connected with a height analog signal, a radius analog signal and a hoisting analog signal, which are respectively conditioned by corresponding filter circuits and voltage division and follower circuits and then sent into the main controller, the rotary encoder signal of a tower crane rotation angle is conditioned by a direction discrimination circuit and a bidirectional counting circuit and then sent into the main controller, and the main controller is connected with a serial port circuit. The device networks the tower cranes in the same construction site; while real-timely detecting the states (such as hoisting height, tower crane rotation angle and working radius) of the tower cranes, the device transfers information between the tower cranes and a main control room by way of wireless communication, the computer of the main control room computes the relative positions and collision relation of the tower cranes, and according to a computing result, the device judges whether to give an alarm or to automatically carry out power-off protection.
Description
Technical field
The utility model relates to a kind of control monitor unit, when being specifically related to the operation of a kind of tower crane, and the watch-dog that can carry out the safe condition monitoring in real time.
Background technology
The tower machine is the product with extensive market, extensively adopt on-line monitoring system, fault self-diagnosis and prognoses system on the tower machine, constantly strengthening electromechanical integration technology is the inexorable trend of tower machine development in the application in safety display monitoring device field, the intelligent level of raising tower machine work.Building ground now might be in one " tiny place " or hive, some obstacles around this avoids with regard to the arm that needs the tower machine; For improving operating efficiency, unit in charge of construction often is arranged in same scene with many tower machines, and often closely cross-operation, and there is the collision possibility in the tower machine of this cross-operation; It is heavy that groups of building in blocks have task, and the duration is short, the demanding characteristics of construction quality, so tower group of planes working space is dynamic and associated column machine anticollision problem directly has influence on the operating efficiency of whole engineering and the construction safety of building ground.TT﹠C system and diagnostic system etc. is carried out the real-time and effective data transmission adopt wired mode usually, but some occasion such as observing and controlling object itself be motion or actual environment can't connect up the time, wire transmission exists very big inconvenience, simultaneously because this class large-current electric machine equipment of tower machine can produce electromagnetic noise, disturb the wire transmission signal, influence whole workmanship and process.Present tower machine monitoring device does not have the hazardous location limitation function.
Summary of the invention
The purpose of this utility model provides a kind of tower crane cluster operation wireless communication safety device, and having solved existing tower machine monitoring system can not detect in real time to the running state of a tower machine group of planes, the defective that can't effectively manage tower machine work area.
The technical scheme that the utility model adopted is:
Tower crane cluster operation wireless communication safety device comprises master controller, wireless bridge; Master controller connects altitude simulation signal, radius analog signal and lift heavy analog signal, send into master controller by the cooresponding filter circuit of each signal and dividing potential drop, follow circuit after putting in order respectively, the rotary encoder through signals of tower machine corner is sent into master controller after putting in order by sensing circuit and two-way counting circuit, master controller is connected with serial port circuit, master controller also is connected with wireless bridge by Ethernet chip, and master controller is exported control signal by No. 12 relays.
Described tower crane cluster operation wireless communication safety device, described master controller is connected with wireless bridge by Ethernet chip.
Described tower crane cluster operation wireless communication safety device, described master controller are micro controller system C8051F02.
Described tower crane cluster operation wireless communication safety device, described Ethernet chip are RTL8019AS.
Described tower crane cluster operation wireless communication safety device, described communications hardware devices are IEEE802.11g agreement wireless bridge.
Described tower crane cluster operation wireless communication safety device, described two-way counting circuit comprises 4 193 forward backward counter chip counter, is used to realize 16 two-way countings.
Described tower crane cluster operation wireless communication safety device, described two-way counting circuit adopts forward backward counter chip 193.
Characteristics of the present utility model also are:
Two-way counting circuit comprises 4 193 forward backward counter chip counter, is used for 16 two-way countings.
Master controller is connected with wireless bridge by Ethernet chip.
Master controller is micro controller system C8051F020.
Ethernet chip is RTL8019AS.
Two-way counting circuit adopts forward backward counter chip 193.
The utlity model has following functional effect:
(1) can monitor 20 in real time with interior tower machine operation information, avoid it to crash each other; (2) detecting tower machine running state (corner, carriage amplitude varying and height) information in real time reports to master control room; (3) in the tower group network, can send work order to a tower group of planes by the production scene master control room; (4) zone that can not enter in the tower crane working environment can be set, when system detects tower crane and may enter this zone, system will report to the police, and corresponding sports is carried out power-off protection; (5) can carry out switching between Actuator Test Modes and the mode of operation; (6) anticollision that is undertaken between the tower machine by the program of master control room backstage, back establishment calculates, and carries out field control.
Description of drawings
Fig. 1 is that functional module of the present utility model is formed scheme drawing;
Fig. 2 is C8051F020 of the present utility model and RTL8019AS interface principle figure;
Fig. 3 is the schematic circuit diagram of analog signal input master controller of the present utility model;
Fig. 4 is that the utility model restricted areas is provided with scheme drawing;
Fig. 5 is the transmission data flow diagram that the utility model master control room receives a plurality of lower computers;
Fig. 6 is that the utility model lower computer sends data communication flow process figure to master control room;
Fig. 7 is that the utility model master control room sends the director data communication flow diagram to a plurality of lower computers;
Fig. 8 is that the utility model lower computer receives master control room director data communication flow diagram.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The tower crane cluster operation wireless communication safety device that the utility model provides; the tower crane (maximum 20) of same camp site is formed a network; communication security device of the present utility model is installed on each tower machine in the network; this device to the state of this tower machine self (as the lift heavy height; tower machine corner; swinging radius) detects in real time and show simultaneously; realize the information transmission of a tower group of planes and master control room by wireless communication mode; according to the information that detects tower machine in the network; in the master control room computer, calculate the relative position and the collision relation of this each tower machine, and judge whether report to the police or automatic power-off protection according to result of calculation.
What Fig. 1 showed is that functional module of the present utility model is formed scheme drawing.As shown in Figure 1, communication security device of the present utility model comprises master controller and wireless bridge, connects by Ethernet chip between master controller and the wireless bridge.As shown in Figure 2, master controller is selected micro controller system C8051F020 for use, and Ethernet chip is selected RTL8019AS for use, and master controller obtains the output of 12 relays by a slice 8255.
Fig. 3 has provided three tunnel analog signals: altitude simulation signal, radius analog signal and lift heavy analog signal are sent into master controller by the cooresponding filter circuit of each signal and dividing potential drop, follow circuit after putting in order respectively.
Monitored control system also has tower machine angular signal except that analog input.The rotary encoder through signals of tower machine corner is then by sending into master controller after the arrangement of sensing circuit and two-way counting circuit, and two-way counting circuit is made up of 4 193,2 138 and a slice 245 as shown in Figure 3.4 two-way counting chips 193 are formed 16 counting circuits, owing to adopt the relative coding device, are finished the read-write capability of count value in the counting circuit respectively by two 138 decoders.
Function implementation of the present utility model is as follows:
(1) realization of tower group of planes secure wireless communication operation
Consider to have highway, building or other staticizers in the tower machine work area, the tower machine is when work, and tower arm or weight can not enter this zone, injures pedestrian in order to avoid the collision of tower machine is installed or tower machine weight drops on every side.Therefore, native system is provided with tower machine and static environment anticollision function, can limit the collision of tower machine and surrounding working environment, promptly limits tower machine arm or weight and enters this zone.The tower machine is before normal operation, utilize native system as the case may be the restricted areas border to be sampled, stored, in the tower machine working process, tower arm corner and carriage amplitude varying according to real-time detection, the counting of carriers current location is made then and being reported to the police or control decision to the distance of environmental hazard zone boundary.
Before carrying out anticollision calculating, each tower machine must know oneself state (as tower machine corner, carriage amplitude varying and height under hook etc.) and with own other relevant tower machine states, therefore, each tower machine controller must detect the state of oneself in real time, all tower machines must carry out real-time Communication for Power with control cabin simultaneously, carry out associated column machine information anticollision and calculate, as collision may the time, control system will be reported to the police or the relevant motion of control tower machine.The motion of flat arm tower machine comprises the gyroscopic movement of tower arm, the luffing motion of dolly and the motion of rope up and down of suspension hook.Two tower machines have two kinds in the position of height relation:
Two tower machine differing heights, two tower machine equal heights.The tower machine of two kinds of positions uses different anticollisions to calculate and control output.
In order to realize the real-time monitoring of tower machine group of planes information, all tower machines must be formed a communication network among the same tower group, carry out communication by certain agreement, utilize the WLAN technology to set up tower machine group of planes wireless communication system, will overcome the drawback of conventional wireless means of communication.In the tower computers group monitoring, master control room is formed the point-to-multipoint communication network with all tower machines, because wireless bridge is the mode of operation of duplex, master control room conducts interviews to station, scene tower machine by polling mode.Each tower machine all has the IP address of binding, after tower machine sends oneself the information of finishing, control center uses the communication module that is installed in master control room that next tower machine is conducted interviews, and after one-period finishes, master control room will obtain the state parameter of on-the-spot station all working tower machine.
(2) realization of tower group of planes secure wireless communication operation
In the tower machine working environment as shown in Figure 4 two restricted areass are arranged, come the border of restricted areas 1 in the fitted figure 4 with line segment AB, 2 of restricted areass adopt quadrangle CDEF match.System is to collection, the setting of these zone boundaries, the rotational angle theta of tower machine itself and the measuring ability of carriage amplitude varying Lp have been used: at first the tower horn is forwarded to OA line place among the figure, simultaneously, trolley travelling to A point place, is measured current rotational angle theta A and carriage amplitude varying LpA; Trolley travelling to B point place, is measured current rotational angle theta B and carriage amplitude varying LpB; So just obtained the restricted areas of line segment AB two-end-point; Calculate the dangerous Variable Amplitude Lpx of dolly at rotational angle theta x places different between the line segment AB by linear interpolation.So just obtained the pairing border of each corner carriage amplitude varying value in the restricted areas 1.In like manner can set gradually other zone boundary points, represent with the corner and the carriage amplitude varying of each point respectively,, then tower machine trolley travelling can be measured (θ to D point place as the point of the D among Fig. 4
D, Lp
D).Restricted areas after setting completed, the system environments anticollision is according to tower machine rotational angle theta
xStored boundary Variable Amplitude in the current Variable Amplitude at place and the system judges whether the tower machine enters this hazardous location, makes the tower machine of reporting to the police and utilizing relay to block respective direction and control motor circuit after the tower machine is near the dangerous area.Known rotational angle theta
DThe border Variable Amplitude at place is Lp
D, suppose that current carriage amplitude varying value is Lp, between then current Variable Amplitude and the border, environmental area apart from d=Lp
D-Lp, when d satisfies: during 0.8 * d (safety)=d=d (safety), the high-speed motion motor of the current sense of motion of tower machine is blocked in controller output; When d satisfies: during 0=d＜0.8 * d (safety), the low-speed motion motor of the current sense of motion of tower machine is blocked in controller output. and wherein, d (safety) is the Environmental security distance, in user's form that the system of being input to provides according to the actual requirements.
Claims (7)
1. tower crane cluster operation wireless communication safety device is characterized in that, comprises master controller, wireless bridge; Master controller connects altitude simulation signal, radius analog signal and lift heavy analog signal, be connected master controller with dividing potential drop, follow circuit after putting in order by the cooresponding filter circuit of each signal respectively, the rotary encoder of tower machine corner is connected master controller by after sensing circuit and the arrangement of two-way counting circuit, master controller is connected with serial port circuit, master controller also is connected with wireless bridge by Ethernet chip, and master controller is exported control signal by No. 12 relays.
2. according to the described tower crane cluster operation wireless communication safety device of claim 1, it is characterized in that described master controller is connected with wireless bridge by Ethernet chip.
3. according to the described tower crane cluster operation wireless communication safety device of claim 1, it is characterized in that described master controller is micro controller system C8051F02.
4. according to the described tower crane cluster operation wireless communication safety device of claim 1, it is characterized in that described Ethernet chip is RTL8019AS.
5. according to the described tower crane cluster operation wireless communication safety device of claim 1, it is characterized in that described communications hardware devices is an IEEE802.11g agreement wireless bridge.
6. according to the described tower crane cluster operation wireless communication safety device of claim 1, it is characterized in that described two-way counting circuit comprises 4 193 forward backward counter chip counter, be used for 16 two-way countings.
7. according to the described tower crane cluster operation wireless communication safety device of claim 1, it is characterized in that described two-way counting circuit adopts forward backward counter chip 193.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200162890U CN201447315U (en) | 2009-08-13 | 2009-08-13 | Wireless communication security device for operation of tower cranes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200162890U CN201447315U (en) | 2009-08-13 | 2009-08-13 | Wireless communication security device for operation of tower cranes |
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| Publication Number | Publication Date |
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| CN201447315U true CN201447315U (en) | 2010-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200162890U Expired - Fee Related CN201447315U (en) | 2009-08-13 | 2009-08-13 | Wireless communication security device for operation of tower cranes |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891118A (en) * | 2010-07-06 | 2010-11-24 | 浙江工业大学 | Safety monitoring device of bridge type crane trolley |
| CN102515028A (en) * | 2011-12-09 | 2012-06-27 | 南京市特种设备安全监督检验研究院 | Crane safety operation monitoring system based on internet of things and monitoring method used therein |
| CN104085797A (en) * | 2014-07-22 | 2014-10-08 | 中船第九设计研究院工程有限公司 | Multi-crane anti-collision monitoring system based on optical encoding and wireless networks |
| CN104098032A (en) * | 2014-07-23 | 2014-10-15 | 徐州重型机械有限公司 | Control system and control method of working area boundary limitation of crane |
| ES2507390R1 (en) * | 2013-04-11 | 2015-03-03 | Europ Bulk Handling Intallation Ebhi S A | Management and actuation equipment on gantry cranes to download materials remotely |
-
2009
- 2009-08-13 CN CN2009200162890U patent/CN201447315U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891118A (en) * | 2010-07-06 | 2010-11-24 | 浙江工业大学 | Safety monitoring device of bridge type crane trolley |
| CN102515028A (en) * | 2011-12-09 | 2012-06-27 | 南京市特种设备安全监督检验研究院 | Crane safety operation monitoring system based on internet of things and monitoring method used therein |
| ES2507390R1 (en) * | 2013-04-11 | 2015-03-03 | Europ Bulk Handling Intallation Ebhi S A | Management and actuation equipment on gantry cranes to download materials remotely |
| CN104085797A (en) * | 2014-07-22 | 2014-10-08 | 中船第九设计研究院工程有限公司 | Multi-crane anti-collision monitoring system based on optical encoding and wireless networks |
| CN104085797B (en) * | 2014-07-22 | 2016-04-27 | 中船第九设计研究院工程有限公司 | A kind ofly to compile and the multiple stage crane collision resistant monitored control system of wireless network based on light |
| CN104098032A (en) * | 2014-07-23 | 2014-10-15 | 徐州重型机械有限公司 | Control system and control method of working area boundary limitation of crane |
| CN104098032B (en) * | 2014-07-23 | 2016-10-05 | 徐州重型机械有限公司 | The control system of crane work zone boundary restriction and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20120813 |