CN202848906U - Anti-collision equipment of crane - Google Patents
Anti-collision equipment of crane Download PDFInfo
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- CN202848906U CN202848906U CN 201220592053 CN201220592053U CN202848906U CN 202848906 U CN202848906 U CN 202848906U CN 201220592053 CN201220592053 CN 201220592053 CN 201220592053 U CN201220592053 U CN 201220592053U CN 202848906 U CN202848906 U CN 202848906U
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Abstract
The utility model discloses anti-collision equipment of a crane. The anti-collision equipment comprises four infrared anti-collision sensors and an integrated controller, wherein the four infrared anti-collision sensors are connected with the integrated controller; two sensors are arranged at two ends of a trolley, and the other two sensors are arranged at two ends of a cart; each anti-collision sensor comprises a composite emitting lens, a composite receiving lens, a high-power infrared emitting tube, a high-sensitivity infrared receiver and a control circuit board, the composite emitting lens is connected with the high-power infrared emitting tube, and the composite receiving lens is connected with the high-sensitivity infrared receiver; each control circuit board comprises a power drive circuit, a receiving circuit, a distance adjusting circuit, a relay output circuit and a central processing unit (CPU) circuit; and the integrated controller comprises an input interface circuit, a CPU circuit, a relay output circuit, a speech circuit and a loudspeaker. By adopting the anti-collision equipment, all-direction anti-collision protection of the crane is realized, the defects of an anti-collision protector on the market at present are overcome, and the safety of the crane is greatly improved.
Description
Technical field
The utility model belongs to the weight-lifting equipment technical field, relates to a kind of crane anti-collision equipment.
Background technology
Hoisting crane has a wide range of applications in the vast fields such as iron and steel enterprise, bargh, port and pier, and consequence is also arranged in capital construction, is heavy industry production and builds indispensable equipment.So at home and abroad, hoisting crane all has a wide range of applications in all trades and professions, and quantity is also extremely huge, has meanwhile also brought many safety problems, and therefore the enterprises and institutions of numerous use hoisting cranes never loosened for the safety problem of hoisting crane.However, the safety misadventure that hoisting crane brings every year is still high, wherein causes colliding the safety misadventure that causes because hoisting crane fails to keep a safe distance and occupies very large ratio.It is main because the volume of crane facility own is large, weight is large, working environment is complicated; driver's sight line is bad; can't observe the obstacle on the direction of travel of hoisting crane; and the driver in operating process the attention high concentration in the handling process; also can ignore the obstacle of traveling service direction, so cause hoisting crane often can crash.
In order to address this problem, domestic or all have relevant product to put goods on the market abroad, mainly be to adopt laser or infrared ray carries out obstacle detection, then send the operation of alarm or restriction hoisting crane, but certain limitation is arranged.Laser product has distance, highly sensitive advantage, but higher to environmental requirement, and reflecting surface is had relatively high expectations, and can't work under the environment of or thick fog large at dust.Infrared ray product effect under to dust and thick fog environment is better than laser product, but because the characteristic of scattering has causes detecting apart from excessively near, also is subject to easily the interference of ambient light simultaneously.
The utility model content
For addressing the above problem, the utility model provides a kind of effectively solution, realizes crane anti-collision equipment.
The technical scheme that the utility model adopts is: this crane anti-collision equipment comprises four road infrared ray obstacle avoidance sensors and a general controller; Four road infrared ray obstacle avoidance sensors all link to each other with general controller; Wherein the two-way installation of sensors is in the dolly two ends, and the two-way installation of sensors is in the cart two ends in addition.Obstacle avoidance sensor comprises that compound type emission camera lens, compound type receive camera lens, Infrared High-Power line power valve, high sensitivity infrared receiver and control circuit board, and wherein compound type emission camera lens links to each other with Infrared High-Power line power valve; Compound type receives camera lens and links to each other with the high sensitivity infrared receiver.Controller circuit board comprises power driving circuit, acceptor circuit, apart from Circuit tuning, outputting circuit for relay and cpu circuit, wherein power driving circuit links to each other with Infrared High-Power line power valve; Acceptor circuit links to each other with the high sensitivity infrared receiver; Power driving circuit, acceptor circuit, all link to each other with cpu circuit apart from Circuit tuning, outputting circuit for relay.General controller comprises input interface circuit, cpu circuit, outputting circuit for relay, sound circuit, loud speaker.Wherein input interface circuit links to each other with the outputting circuit for relay of four road infrared ray obstacle avoidance sensors; Sound circuit links to each other with loud speaker; Input interface circuit, outputting circuit for relay, sound circuit all link to each other with cpu circuit.
The mechanism that hoisting crane crashes easily mainly is trolley body and large mechanism of car, and these two mechanisms all are running mechanisms, and the driver does not have good realization, so crash easily.The utility model is installed two obstacle avoidance sensors at the structure of dolly, for detection of the working direction of dolly and the obstacle on the direction of retreat, two obstacle avoidance sensors of same installation on the structure of cart, obstacle for detection of cart operation left side and right side, there are two group relay output signals on the every road of four road sensors, representative is reported to the police and limit parking respectively, totally 8 groups of signals of four road sensors all are connected to general controller, general controller is according to this 8 tunnel signal condition control output relay action, with sound circuit work, thereby send collision warning and collision stop signal to hoisting crane, and by loud speaker the driver is carried out voice reminder, realize omnibearing anticollision guarantee.Anticollision annunciator in the market all only has actuating of relay node, can't carry out voice reminder to the driver, simultaneously owing to there is not general controller, so also can't carry out crashproof detection to hoisting crane is comprehensive.Traditional infradred sensor is to being subject to easily the interference of ambient light; and detection close together; can't accomplish the failure-free protection; infradred sensor of the present utility model; adopted Infrared High-Power line power valve; can the ultrared detection distance of Effective Raise, and since also for the parameter custom-made of this power valve camera lens, infrared light beam processed more improved transmitting range.Moreover, the utility model has also adopted the high sensitivity infrared receiving terminal supporting with power valve, its infrared ray parameter and power valve strictly coincide, so receiving sensitivity improves greatly, thereby also further prolonged the detection distance, be again simultaneously the reception camera lens that relocated the receiving a custom-made, increased the receiver area of Receiver, and strengthened the intensity of the reception light of Receiver, further improved the sensitivity of Receiver, the detection of whole like this sensor distance is significantly improved, considerably beyond the detection distance of existing sensor on the market, can arrive the detection range of 30m, satisfy the requirement that crane collision resistant detects.Be subject to easily in addition the problem of ambient light interference in order to overcome infrared ray, the utility model is modulated tube-launched light and is carried out digital coding, adopt 100KHz that emission of light is modulated, carry out simultaneously the 32-bit number coding, when receiving, receive only the modulation light of 100kHz, decode simultaneously and in the situation that successfully demodulates the 32-bit number coding, just think the light that sensor emission of the present utility model goes out, so just avoided the interference of ambient light fully, significantly too high reliability, and because ultrared penetrating capacity is very strong, so for can both well working under high dust atmosphere and the thick fog weather condition.
The beneficial effects of the utility model are perfectly to have realized the comprehensive Anti-bumping protection of hoisting crane, have effectively overcome the in the market drawback of collision protector, the significantly too high safety of hoisting crane.
Description of drawings
Fig. 1 is system architecture scheme drawing of the present utility model.
Fig. 2 is the constructional drawing of the utility model radiating portion.
Fig. 3 is the constructional drawing of the utility model receiving unit.
Fig. 4 is the signal interface circuit figure of the utility model sensor control circuit plate.
Fig. 5 is the cpu circuit figure of the utility model sensor control circuit plate.
Fig. 6 is the relay output circuit diagram of the utility model sensor control circuit plate.
Fig. 7 be the utility model sensor control circuit plate apart from the adjustment member circuit diagram.
Fig. 8 is the power drive partial circuit figure of the utility model sensor control circuit plate.
Fig. 9 is the circuit diagram of the two-way sensor input interface of general controller of the present utility model.
Figure 10 is the cpu circuit figure of general controller of the present utility model.
Figure 11 is the phonological component circuit diagram of general controller of the present utility model.
Figure 12 is the outputting circuit for relay figure of general controller of the present utility model.
The specific embodiment
Be described in detail specific embodiment of the utility model below in conjunction with technical scheme and accompanying drawing.
Embodiment:
1. system consists of
The utility model system construction drawing is connected to general controller by 4 road infradred sensors and consists of the utility model as shown in Figure 1.
As shown in Figure 1, the utility model mainly is divided into two parts infradred sensor and general controller.The infradred sensor concrete structure is shown in the infradred sensor 1 among Fig. 1, and other three road infradred sensors are identical therewith.Infradred sensor is made of infrared emitting part, infrared receiver part and control circuit board.The infrared emitting part is made of compound type emission camera lens and Infrared High-Power line power valve, the infrared receiver part receives camera lens by compound type and the high sensitivity infrared receiver consists of, and control circuit board is made of power driving circuit, acceptor circuit, cpu circuit, Circuit tuning, outputting circuit for relay.
The infrared emitting camera lens adopts the compound type camera lens to see Fig. 2, and increase coating film treatment, guaranteeing just has the highest permeability in the infrared ray wave band, and the light of its all band of establishment, and according to the power valve parameter, focus light rays at the end of power valve, guarantee that the light of power valve can penetrate camera lens with the form of collimated light, assurance light can be concentrated as far as possible, and intensity is large as far as possible.The infrared receiver camera lens adopts the compound type camera lens to see Fig. 3 equally, although structure is identical with the emission camera lens, the same coating technique that adopts, but the focal length of eyeglass is not identical, receive camera lens and will receive as far as possible large-scale reflected light rays, guarantee that as far as possible receiving light all focuses on the receptor, increases substantially receiving sensitivity.
The control circuit board of infradred sensor will be responsible for starting the signal on infrared emission tube and the receiving infrared-ray receptor, and the signal that receives is processed and calculated, if detect obstacle, then drive relay circuit and will carry out signal output.The detection distance of sensor realizes by Circuit tuning.Infradred sensor can detect two distances, and a larger distance is used for warning, and a nearer distance is used for stopping.
The signal unification of sensor is linked into the input interface of general controller, general controller judges whether to occur crashproof action according to the information of interface circuit, and control sound circuit according to this information and make corresponding voice suggestion, drive simultaneously relay circuit and carry out signal output.
2. infradred sensor
Fig. 4 to Fig. 8 is the core circuit figure of the utility model infradred sensor.Fig. 5 is the cpu circuit figure of infradred sensor, is core in the whole infradred sensor.In order at utmost to suppress the interference of ambient light, the utility model becomes the signal of 100kHz with modulation of infrared rays, and carries out 32 bit data coding, and this function is all realized by CPU.This embodiment adopts 89C2051CPU commonly used to realize.At first CPU produces the high-frequency signal of a 100kHz by timer internal, this signal is by the output of P3.2 port, the control driving circuit drives infrared emission tube and carries out work, aerotron Q1 ~ Q4 among Fig. 8 drives aerotron, be responsible for starting infrared emission tube, can realize driving the conversion of intensity by various combination.In order further to improve antijamming capability, CPU is when driving power valve, also carry out one group of 32 bit data coding, guarantee that each sensor is unique coding, even other sensor light is passed to the misoperation that this sensor also can not cause this sensor like this.Infrared ray receives by receptor, receptor is special-purpose high sensitive receiver, be configured to receive the infrared ray of 100kHz signal, can the establishment ambient light, meeting output low level after receptor receives standard compliant infrared ray, this level will trigger the interruption of CPU, CPU can continue to receive signal in interrupting, demodulate 32 bit data until can finish, if these data and built-in 32 codings coincide, then expression receives successfully, and also expression runs into obstacle simultaneously, and is reliable for guaranteeing, CPU also can continue to receive a period of time again, if data are continual and steady at the appointed time, then are judged as crashproof action, and carry out the relay driver output.
Detect in order to carry out two segment distances, CPU can be carries out with setting value that power valve drives respectively for the cycle in 0.5 second and with 0.5 times setting value power valve is driven.Power is larger when driving with setting value, detects distantly, detect by way of caution, 0.5 times of setting value occur when driving intensity just a little less than, detect close together, detect as stopping.And initialization circuit is realized by a code switch, sees Fig. 7, and this coder switch has 4, can realize 16 kinds of assembly codings, namely can realize 16 segment distance settings, because the variation of crane collision resistant safety distance is little, so this Circuit tuning can satisfy operating needs fully.The starting power of power valve is regulated by the driving circuit of Fig. 8, and four aerotrons are arranged among Fig. 8, can realize equally 16 kinds of combinations, namely realizes 16 kinds of power stages.
Fig. 6 is the outputting circuit for relay of infradred sensor, the i.e. expression warning of K1 action, and K2 action i.e. expression is stopped.D1 and D2 are that light-emitting diode is made indication customized, and Q5 and Q6 are the driving aerotrons of relay.
3. general controller
Fig. 9 to Figure 12 is the core circuit figure of general controller of the present utility model.Fig. 9 is two-way input interface circuit figure, and the utility model has four road input interfaces, and other two-way and Fig. 9 are identical.Incoming signal is because be the on-off signal of relay, so this interface is just fairly simple, but because sensor and the common apart from each other of general controller, usually adopt cable to connect, so adopted optical coupling isolation circuit in this circuit, guarantee the safety isolation of controller and sensor, improve reliability.
Figure 10 is the cpu circuit of general controller, adopts general 51 chip microcontroller, because sensor has been handled signal well, so the burden of this CPU is very light, only need to carry out misoperation and judge, and signal synthesis processes, and carry out that relay drives and voice driven gets final product.This embodiment defines the warning node that K1 is sensor 1, K2 is the parking node of sensor 1, so in CPU these 2 whens action in detecting incoming signal, carry out one section and prevent from just driving the corresponding actuating of relay after the misoperation time-delay, outputting circuit for relay is seen Figure 12, aerotron among Figure 12 is that relay drives aerotron, K1 ~ K4 is the fault output relay, and this figure has equally also indicated the signal relay of two-way sensor, and two-way is identical therewith in addition.CPU also will drive sound circuit work when driving the actuating of relay, the driver is carried out voice suggestion, and Figure 11 is voice warning circuit figure, BLA4208 is speech chip, can carry out 8 sections voice controls by S1 ~ S8, LM386 is the voice amplification chip, is used for driving the loud speaker sounding.Because sensor is more, the situation that a plurality of sensors move simultaneously might appear, so CPU has adopted the formation mode to drive when driving sound circuit, if previous voice are also for finishing then enter formation and wait for when sensor moves, after a speech play is complete, from formation, take out again the next voice that need to play and play, guarantee that the action of each sensor can both have voice suggestion.
Claims (1)
1. crane anti-collision equipment, it is characterized in that: this crane anti-collision equipment comprises four road infrared ray obstacle avoidance sensors and a general controller; Four road infrared ray obstacle avoidance sensors all link to each other with general controller; Wherein the two-way installation of sensors is in the dolly two ends, and the two-way installation of sensors is in the cart two ends in addition; Obstacle avoidance sensor comprises that compound type emission camera lens, compound type receive camera lens, Infrared High-Power line power valve, high sensitivity infrared receiver and control circuit board, and wherein compound type emission camera lens links to each other with Infrared High-Power line power valve; Compound type receives camera lens and links to each other with the high sensitivity infrared receiver; Controller circuit board comprises power driving circuit, acceptor circuit, apart from Circuit tuning, outputting circuit for relay and cpu circuit, wherein power driving circuit links to each other with Infrared High-Power line power valve; Acceptor circuit links to each other with the high sensitivity infrared receiver; Power driving circuit, acceptor circuit, all link to each other with cpu circuit apart from Circuit tuning, outputting circuit for relay; General controller comprises input interface circuit, cpu circuit, outputting circuit for relay, sound circuit, loud speaker; Wherein input interface circuit links to each other with the outputting circuit for relay of four road infrared ray obstacle avoidance sensors; Sound circuit links to each other with loud speaker; Input interface circuit, outputting circuit for relay, sound circuit all link to each other with cpu circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592053 CN202848906U (en) | 2012-11-09 | 2012-11-09 | Anti-collision equipment of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220592053 CN202848906U (en) | 2012-11-09 | 2012-11-09 | Anti-collision equipment of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202848906U true CN202848906U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220592053 Expired - Fee Related CN202848906U (en) | 2012-11-09 | 2012-11-09 | Anti-collision equipment of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202848906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922228A (en) * | 2014-04-28 | 2014-07-16 | 李颖 | Anti-collision system for crane operation |
-
2012
- 2012-11-09 CN CN 201220592053 patent/CN202848906U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103922228A (en) * | 2014-04-28 | 2014-07-16 | 李颖 | Anti-collision system for crane operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20171109 |