CN1614162A - Display device for constructing machine - Google Patents
Display device for constructing machine Download PDFInfo
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- CN1614162A CN1614162A CNA2004100885872A CN200410088587A CN1614162A CN 1614162 A CN1614162 A CN 1614162A CN A2004100885872 A CNA2004100885872 A CN A2004100885872A CN 200410088587 A CN200410088587 A CN 200410088587A CN 1614162 A CN1614162 A CN 1614162A
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- 238000010276 construction Methods 0.000 claims abstract description 42
- 230000000007 visual effect Effects 0.000 claims description 30
- 230000005856 abnormality Effects 0.000 claims description 23
- 230000002159 abnormal effect Effects 0.000 claims description 22
- 238000004891 communication Methods 0.000 claims description 13
- 239000002826 coolant Substances 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 14
- 230000009471 action Effects 0.000 description 9
- 239000000498 cooling water Substances 0.000 description 9
- 238000012795 verification Methods 0.000 description 9
- 101100194816 Caenorhabditis elegans rig-3 gene Proteins 0.000 description 8
- 238000009412 basement excavation Methods 0.000 description 6
- 108010066278 cabin-4 Proteins 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 239000010705 motor oil Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000003750 conditioning effect Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
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- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/04—Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/40—Special vehicles
- B60Y2200/41—Construction vehicles, e.g. graders, excavators
- B60Y2200/412—Excavators
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Closed-Circuit Television Systems (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Instrument Panels (AREA)
Abstract
The invention relates to driver's cab for construction machine for hydraulic excavator, which can reduce operator's manually switching frequency of a screen by making images preferentially displayed on a monitor selectable according to the operating conditions of a construction machine. Images preferentially displaying an operating condition of a hydraulic shovel as a construction machine operated in a working mode, and images preferentially displayed at the time of an idling mode are set in a preferential image setting part 32 in a control device 20 of a monitor 13. The images detected by an engine speed , the position of a gate lock lever and the like, and preferentially displayed on the monitor 13 in the respective modes can be set. And also, desired images are displayed on the monitor 13 instead of the preferential images by switching a switch 34 as needed.
Description
Technical field
The present invention relates to a kind of driver's cabin that is arranged at construction machineries such as hydraulic crawler excavator, be used to make the operator to understand the display unit of the construction machinery of various information.
Background technology
Example as construction machinery has hydraulic crawler excavator.Hydraulic crawler excavator by Engine driven Hydraulic Pump, will supply to the hydraulic actuator that is made of hydraulic cylinder and hydraulic motor that is installed on each Actuator Division from the pressure oil of this hydraulic pump output as known in the art.In addition, in driver's cabin, take the operator usually, operate these each Actuator Divisions by operating mechanisms such as action bars, carry out the operations such as excavation of native sand by the operator.
In order to make the operator understand the working condition of machinery, various instrument are installed at driver's cabin.For example, the rotational speed meters of motor, fuel meter, coolant water temperature meter, working oil temperature meter, stopwatch etc.In addition, also carry out the information about machine security work, for example whether door lock rod is in the demonstration of normal position etc.In addition, also carry out differentiation that whether starter key insert etc.In addition, also be installed on the identification etc. of kind of the fixture of anterior working rig.In addition, in order to show that these information are that vehicle condition information is provided with display unit.
As this display unit,, obtain practicability as the display unit that coloured image shows in the lump at the monitor picture that utilizes LCD along with the high precision int of LCD, low price etc.By using this display unit, can show multiple information by compact structure, the operator can correctly hold the working condition of machinery.In addition, for in occasion of the possibility that for example has engine overheat etc., in when, action to machinery taking place producing the abnormality of influence greatly, by abnormal detector it is detected, make the operator understand this situation rapidly and positively, make the structure that shows at monitoring image, this is open at for example Japanese kokai publication hei 11-81393 communique etc.Promptly, when machinery does not have when unusual, on monitoring image, show above-mentioned vehicle condition information, detecting certain by abnormal detector when unusual, monitor switched to show with message (message) state of this situation of abnormality has taken place, thereby make the operator avoid abnormality, for example become the occasion of superheat state at motor, take to make motor to carry out adequate measures such as idling rotation, prevent the generation of the fault etc. of machinery in advance.
Summary of the invention
In recent years, existence is for the tendency of the requirement raising of the safety of operation, in addition, reflected the low price of video camera (video camera, digital camera etc.) etc., when the operator carries out mechanically actuated, video camera is set to the position that becomes its dead angle, particularly the rear position of vehicle shows the image from this video camera, like this, developed and guaranteed that the operator can not be visual or be difficult to the display unit in the visual field at visual rear etc., and obtained practicability.
Here, the video camera image is generally shown at the display unit of being located in the driver's cabin such as LCD, for this reason, in driver's cabin, the image of outside must be shown that the display unit of usefulness and above-mentioned vehicle condition information show that the display unit of usefulness all is installed in the obvious position of operator.During operation the operator in principle with the visual field towards the place ahead, so, need these 2 display unit all are configured to driver's seat the place ahead, these monitors become obstacle, have limited field of front vision, and have operator's scatterbrained possibility.
By the above, the monitor that is arranged in the driver's cabin is one.And the information that must show or preferably be presented on the monitor has multiple.Consider to have picture segmentation is become a plurality of, show different information in each viewing area, still, after doing like this, display image separately will diminish, and will become is difficult to see clearly.Therefore, must adopt the such mode of the switching various information of demonstration on monitor.The switching of display image is carried out according to operator's operation.Thus, just produce following problem: the kind of display image is more and more, switches pretty troublesome, the mechanical operability variation of getting up.
Therefore, the problem that the present invention will solve is, can be according to situation etc., and select preferentially to be presented at image on the monitor according to the working condition of construction machinery, and can reduce the frequency of the manual switchover image that is undertaken by the operator.
In order to achieve the above object, the invention provides a kind of display unit of construction machinery, described construction machinery has motor, by this engine-driven hydraulic pump, and a plurality of Actuator Divisions that drive by the pressure oil of supplying with from this hydraulic pump, at least be provided with the surplus that detects the fuel supply to above-mentioned motor and the sensor of engine coolant temperature and working oil temperature, based on unusual abnormal detector from the signal detection duty of these sensors, and the video camera that monitors periphery, the display unit of this construction machinery is characterised in that: in the driver's cabin of above-mentioned construction machinery, be provided with monitor, this monitor optionally shows at least from the vehicle condition information of above-mentioned each sensor output, with the auxiliary visual field image information that obtains with above-mentioned video camera; And have the image selection portion of selecting display image in the control device that this monitor is connected; This image selection portion is controlled feasible, by preferential image setting device, selects preferentially to be presented at preferential image on the above-mentioned monitor according to the duty of above-mentioned construction machinery, and is presented on the above-mentioned monitor; In addition, above-mentioned image selection portion is connected with manual switching device, by this manual switching device, can be desirable image from above-mentioned preferential image switching with the display image of above-mentioned monitor.
Here, as the various image informations that are presented at monitor, at first, and relevant for the information of vehicle operation situation, i.e. vehicle condition display image.In addition, also have the image that obtains by video camera, thus, can obtain auxiliaryly the operator can not Visual Confirmation the visual field, promptly obtain visual field assistant images.As this auxiliary visual field image, just like the biconditional operation person with the posture of face forward the back visibibility and the visual field, the side image such, that be used for safety verification that can not obtain, and position that can not Visual Confirmation from the inside of driver's cabin, for example when carrying out depths digging operation or high-rise working, the image of usefulness is confirmed in the operating area of working condition of confirming the fore-end of anterior working rig.And, though be included in information haply about vehicle start situation, but when the machinery generation is unusual, in order to inform this abnormal information to the operator reliably, as abnormal information, except that information, be reported in also that where what kind of has taken place is unusual about the vehicle operation situation, therefore, preferably this abnormal information is presented on the monitor as the abnormal information display image.Also have, for the centralized management of carrying out construction machinery administrative center is set, in order from this administrative center each construction machinery to be given an order or various information to be provided, also can between the related facility of each construction machinery and administrative center etc., connect with communicator.And in order to transmit reliably to the operator who makes the construction machinery start, the order or the transmission information of the necessity of being undertaken by this communicator preferably also have on monitor the so-called communication information display image that shows as message etc.
Image information display illustrated above is on single monitor, but according to the job content of construction machinery or job status etc., three kinds of situations are arranged: the situation that the degree of requirement of demonstration is high, the situation that the degree of requirement of demonstration is low does not need situation about showing.But the auxiliary visual field image that vehicle condition display image and safety verification are used must be able to show.And, reconnoitre the duty of construction machinery etc., by preestablishing, make in the highest information of the preferential display requirement degree of monitor, can significantly reduce the frequency of operator to the handover operation of image.But though unique image of setting the preferential demonstration of institute definitely, the switching frequency of image can uprise sometimes on the contrary.
Start construction machinery actuator state afterwards, be divided into the job state of in fact implementing operation and the idling mode that does not carry out special operation substantially.Thereby, at first can be when operation and select preferential image during idling.Therefore, in preferential image selection portion, constitute the preferential image when preferential image in the time that operation can being set and idling.Under this two states, can show different image informations respectively, also can select identical image information in addition.The candidate of the image that shows as preferential image, though do not limit especially, the vehicle condition display image constitutes the image information of selecting as preferential image at least.In addition,, be preferably in the auxiliary visual field display image in order to ensure the trouble free service of construction machinery, as safety verification with and the auxiliary visual field display image that is used also constitutes as preferential image and the selected image information that goes out.
Taken place under the unusual situation in the various mechanisms that constitute construction machinery, for example, in the charging voltage of battery pack under the situation below the setting, in engine cooling water or working oil temperature under the situation more than the set point of temperature, and it is inferior in the situation of the plugged filter of the suction side that is arranged on engine filters, give the operator with these unusual rapid circulars reliably, if do not carry out suitable dealing with, various machines will break down.So unusual about taking place, the operator can learn even infer from vehicle condition information, but preferably more reliably and promptly is notified to the operator.The viewpoint that the abnormal information display image prevents from the fault of construction machinery is to show, but as the state that shows, for example when showing vehicle condition information, this demonstration also can contain the generation of abnormality.In addition, just do not show this abnormal information display image as long as detect abnormality, when having shown abnormal information, in principle, shutting engine down preferably, from this point, can when abnormality takes place, no matter this moment, what kind of image shown image was, all insert display abnormality information display image.Therefore, this abnormal information display image is the image that is unsuitable for alternative.
For example, when under job state, showing the vehicle condition display image, when making vehicle rollback or rotating, preferably show the auxiliary visual field image that safety verification is used.In addition, such situation is arranged also, preferably, show the auxiliary visual field image of operating area affirmation usefulness as carrying out the depths when excavating etc.Also have such situation, preferably when having received the communication information, directly show this communication information.If consider above these, in having set and outside the operation on the basis of the preferential image of the preferential demonstration of institute basically according to operation, if can carry out the detailed setting device of detailed picture and selecting, just can reduce the frequency of manual switchover picture further according to the actuator state setting of construction machinery.
Because the present invention constitutes, therefore, obtain following effect as above: for the operator, can with the Information Selection that needs most be presented on the monitor, and can in operation, reduce the frequency of manual switchover image.
Description of drawings
Fig. 1 is the structural representation as the hydraulic crawler excavator of an example of construction machinery.
Fig. 2 be Fig. 1 hydraulic crawler excavator driver's cabin inside want portion's structure chart.
Fig. 3 is the figure of an example of the vehicle condition display frame of expression display unit.
Fig. 4 is the figure of an example of the back visibibility image display frame of expression display unit.
Fig. 5 is the figure of an example of the communication information display frame of expression display unit.
Fig. 6 is the figure of an example of the abnormality display frame of expression display unit.
Fig. 7 is the block diagram of control device.
Fig. 8 is the structural representation of display unit.
The specific embodiment
Below, form of implementation of the present invention is described with reference to the accompanying drawings.In this form of implementation, the display unit as the hydraulic crawler excavator of construction machinery is described, but, is not limited to this hydraulic crawler excavator as the construction machinery of display unit has been installed.
Therefore, at first, Fig. 1 represents the overall structure of hydraulic crawler excavator.In the figure, label 1 is caterpillar lower running body, and label 2 is a upper rotating body, and label 3 is for being located at the anterior working rig that is made of digging operation device etc. of upper rotating body 2.In addition, on upper rotating body 2, be provided for taking the operator, carry out mechanically operated driver's cabin 4, setting operation device in this driver's cabin 4, this operating means comprise the action bars of operations such as swing arm 3a, the dipper 3b of the anterior working rig 3 of operations such as the walking that is configured for carrying out lower running body 1, the rotation of upper rotating body 2, the excavation of native sand, the start of scraper bowl 3c.
Hydraulic crawler excavator generally constitutes as described above, and usually, its driving is to make the hydraulic pump start by motor, drives the hydraulic drive type of the such hydraulic actuator of hydraulic motor and hydraulic cylinder.Therefore, be provided with the various sensors of the relevant start situation of detection of engine, also be provided with various sensors in each one of fluid power system, in addition, forwardly each Actuator Division of working rig 3 grades also is equipped with sensor, monitors each one of hydraulic crawler excavator.In the detection information of these sensors, there are the information and the necessary information of understanding that preferably allow the operator understand, and the information that can not notify the operator.In addition, the information that need be understood by the operator is the information about the working condition of vehicle, wherein also has the information that needs peremptorily and understand reliably.That is,, comprise general vehicle condition information and about the abnormal information of the abnormality generation of the danger that has significant trouble that hydraulic crawler excavator takes place etc. etc. as the person's that needs the notifying operation information.
In addition, in this hydraulic crawler excavator,, be provided with the video camera that monitors usefulness for complement operation person's the outside visual field.Label 10 is in order to ensure back visibibility, and is installed on the balance weight 5 of the rear positions that is arranged at upper rotating body 2, carries out safety verification in order to make the operator who operates machine in driver's cabin, and guarantees the video camera in the visual field complementaryly.In addition, label 11 is the front end portions nearby that are installed on the dipper 3b of anterior working rig 3, is used to confirm the states that deep-cut the position that the operator can not see in the driver's cabin 4, promptly excavates the video camera of state.In addition, when carrying out work high above the ground, the visual field that can obtain assisting by video camera 11.And, not necessarily leave no choice but be provided with these video cameras 10,11 both sides, the job state that can carry out according to hydraulic crawler excavator and situation of operation field etc. suitably are provided with, but consider from guaranteeing aspects such as job safety, in 2 video cameras 10,11, the video camera 10 that obtains back visibibility is necessary.In addition, except that above-mentioned position, can also be provided for video camera that obtains auxiliary visual field etc. in for example side.
In addition, on hydraulic crawler excavator, be mounted with communicator, can carry out radio communication by this communicator and the related facilities such as administrative center that are in the distant place.Like this, can manage the various construction machineries that comprise hydraulic crawler excavator concentratedly, for example can hold the job status of operation field, or the dispensing of management running stores etc., or carry out the project management of construction machinery.Therefore, communicator 12 (with reference to Fig. 7) and its antenna 12a are set at least on hydraulic crawler excavator.Communication can be received special-purpose at the hydraulic crawler excavator side joint, also can be the structure that can carry out two-way communication.
In driver's cabin 4, as shown in Figure 2, the monitor 13 that is made of LCD etc. is set, can be by on this monitor 13, showing various information, make and carry out mechanically operated operator and understand these information.Therefore, even, also can see monitor 13 in the operating period that the operator constitutes each portion of mechanism of hydraulic crawler excavator.But, in operation process, need not hinder as far as possible field of front vision.For this reason, monitor 13 has more small-sized picture, and in driver's cabin 4, is configured in oblique the place ahead of driver's seat 6, for example is installed on the column 7.
Comprise above-mentioned information though be shown in the information of monitor 13, it is shown on the monitor 13 together, consider unsatisfactory from easy opinion property etc.Therefore, constitute above-mentioned various information are divided in groups, set a plurality of display frame states, and can switch demonstration as required.And, as the image that is presented at display unit, comprise for example Fig. 3～4 states shown in Figure 6.
At first, show state shown in Figure 3, example illustrates the vehicle condition display image that is shown as vehicle condition information.As the demonstration information that specifically demonstrates in the drawings, show as icon, the demonstration A1 that has burglar-proof mechanism whether to work successively from the left side of accompanying drawing, whether the front end at the dipper 3b that constitutes anterior working rig 3 is equipped with scraper bowl 3c, or the demonstration A2 of other anterior fixture is not installed, the state of live load shows A3, the speed of travel shows A4, the demonstration A5 of auto idle speed whether, about the demonstration A6 of the bright lamp that has or not illuminating lamp, and the demonstration A7 that has or not the action of wiper, in addition, with it display part B running time is arranged side by side, show with numerical value running time.In addition, be the big zone of the middle body of monitor 13 at its hypomere, character (character) shows that engine coolant temperature shows that C1, working oil temperature show that C2 and fuel surplus show C3 abreast.In addition, the display part D1, the D2 that have battery allowance, engine oil pressure at hypomere, when the oil pressure of the charge volume of battery and engine oil keeps certain level, and the oil pressure ratio predeterminated level of the charge volume of battery and engine oil is when low, carry out the variation of deep or light variation, tone etc., show state changes.
In addition, as vehicle condition information and content displayed might not leave no choice but comprise all these information, in addition, also can comprise the information beyond these information.In a word, as long as the present situation of the vehicle that energy display operation person should be appreciated that.But in any case, display format need comprise at least that engine coolant temperature shows that C1, start oil temperature show that C2 and fuel surplus show C3.
Fig. 4 represents to show an example of the image auxiliary visual field image of video camera.Shown in this figure is the situation of using the image of video camera 10 acquisitions that obtain back visibibility for safety verification, demonstration, in the picture integral body of monitor 13, shows the landscape image of rear view of vehicle.In addition, confirm usefulness, under the situation of demonstration, also use picture integral body to show from the image information of the video camera 11 of the image that obtains the excavation state as the operating area.
In addition, Fig. 5 represents to receive an example of information display image.Reception information is essentially the demonstration of message, and message shows order and the message that sends from related facility sides such as administrative centers.As message content, production plan information relevant with machinery with operation place etc. etc. is arranged, and pay no attention to its kind.Show the place as message, be the position of pattern displaying C1～C3 of Fig. 3, display message replaces these pattern displaying.In addition, in the occasion that can carry out two-way communication, also can be the transmission content that shows at this position from the operator.When the message that receives from administrative center etc., understand this state in order to make the operator, at the suitable position of monitor 13, for example the lower right corner of Fig. 3 is provided with mark, and this mark is flashed, or opens window.
In addition, Fig. 6 represents an example of abnormal information display image.Abnormality is if continue the generation of the state of affairs that action then becomes the reason of fault and accident under this state, specifically, the situation of charging voltage below setting that battery is arranged, the situation of the oil pressure of engine oil below setting, the situation of engine cooling water more than the temperature of regulation, the situation of working oil temperature abnormal ascending, and the situation of the mesh of the strainer of being located at the air inlet side of engine filters obstruction etc.These states of affairs can be discerned according to vehicle condition information, but great property in view of the state of affairs, in order to make the operator understand abnormality really and promptly, at the picture central portion of monitor 13, promptly carry out the position of pattern displaying C1～C3 of Fig. 3, display message replaces these pattern displaying boldly at aspects such as the size of character and colors.And, consider safety, preferably except the message demonstration of monitor 13, also side by side give the alarm to tens of seconds degree by the several seconds.
Monitor 13 optionally or switchably shows above-mentioned various image by control device shown in Figure 7 20 controls.That is, be provided with input control part 21, be taken into from the detection signal of the sensor of being located at each one at this input control part 21 etc. at control device 20, and, be taken into from video camera 10 (with video camera 11) signal of video signal, in addition, also be taken into the received signal that is input to communicator 12.
Signal from video camera 10 sends is taken into signal of video signal handling part 22 from the input control part, generates the signal of video signal that is presented at monitor 13 by this signal of video signal handling part, and this signal of video signal is stored in video memory 23.In addition, by communicator 12 receive from the message stores of administrative center etc. in communication information memory 24.In addition, measured signal from various sensors, all the time be input to control device 20, these input signals are taken into signal processing circuit 25, detect the current state of each, generate needed data in order to show vehicle condition information, and it is taken into the character generative circuit that is used to generate the vehicle condition display image.And, when the input signal from any one sensor changes, measure this variation by signal processing circuit 25, be reflected to character generative circuit 26.
In addition, on signal conditioning circuit 25, be connected with data comparing section 27, select in the various data in the various sensors, that be input to signal conditioning circuit 25, for judging the needed numeric data of abnormality, be taken into this data comparing section 27.And, maintaining the numeric data of the benchmark that becomes unusual mensuration in data comparing section 27, a reference value that will be taken into the numerical value of present situation of this data comparing section 27 and setting from signal conditioning circuit 25 relatively judges whether the unusual state of affairs has taken place.Therefore, data comparing section 27 constitutes unusual determinator.And, when the unusual state of affairs having taken place,, generate suitable message by generating the message generating unit of message correspondingly by these data comparing section 27 judgements.
In addition, control device 20 has output control part 29, by output control part 29, optionally on monitor 13, demonstration is from the signal of video signal of video memory 23, from the vehicle status signal of character generative circuit 26, from the collection of letters information of communication information memory 24 and by any one information in the abnormal information of information generating unit 28 generations.Like this, in order to select to be presented at the image of monitor 13, image selection portion 30 is connected output control part 29, exports the image of being selected by this image selection portion 30 from output control part 29, and is presented at monitor 30.And the action of each one of the control part 20 of Gou Chenging is controlled by CPU31 like this, therefore, carrying out bus between CPU31 and above-mentioned each one connects, in addition, CPU31 comprises: the ROM of record operating sequence etc. and be used for carrying out the RAM that various signals are handled with the order that is recorded in this ROM.
Here, the image selection portion is connected with preferential image setting portion and as the selector switch group 33 of its input unit, in preferential image setting portion 32, to the working condition according to machinery, the kind that preferentially is presented at the image on the picture of monitor 13 is registered setting.In addition, selector switch group 33 is set, is used for the operator and selects to be presented at preferential image on the monitor 13 with manual operation, this selector switch group 33 is made of the pointer movable button and the confirming button of for example upper and lower, left and right.And selector switch group 33 as shown in Figure 8, is arranged on the position of the housing 13b on every side of the picture 13a that is formed on the monitor 13, and in addition, the image switching switch 34 as manual switching device also is arranged on the housing 13b.
Be set with such program in preferential image setting portion 32: show which image among the various images of Fig. 3～shown in Figure 6; Automatic switchover is according to the variation of duty etc. and the image that shows; As automatic switchover, with what kind of state from which image switching to which image.Therefore, when making hydraulic crawler excavator when work, on monitor 13, automatically show preferential image corresponding to the program that is set in this preferential image setting portion 32.
Basically, as the duty of the hydraulic crawler excavator of construction machinery, the image that will when working, preferentially show with work pattern and when becoming the idling pattern the preferential image setting that shows in preferential image setting portion 32.Here, work pattern is the state that makes each work that constitutes hydraulic crawler excavator, the state that promptly drives preceding working rig, lower running body 1 walking, rotation upper rotating body 2 etc. are moved; Idling mode be for have a rest, standby etc. and stop the state of the work of each one.These two states can be detected by the rotating speed of motor or the position of door lock rod etc.That is, when the rotating speed of motor below certain level, or door lock rod lifts and when becoming the state of locking, hydraulic crawler excavator is the idling pattern.On the contrary, become that high-speed state or door lock rod are left behind and when becoming unlocked conditions, hydraulic crawler excavator is exactly a work pattern when motor.Therefore, can be in position and detected work pattern of information in addition and idling pattern according to the rotating speed of motor or door lock rod, the image setting that will preferentially show is in preferential image setting portion 32 respectively.
Here, as the image of preferential demonstration, be vehicle condition display image and auxiliary visual field image, especially, be in the auxiliary visual field image, be used for the image that the safety verification at monitoring vehicle rear is used.Because when hydraulic crawler excavator running hours under overheated condition, the temperature of engine cooling water or working oil uprises, so, the operator must be often by visually confirming the vehicle condition display image, particularly confirming that engine coolant temperature shows that C1 and working oil temperature show the such indicator of C2.On the other hand, big and have the operator to enter on every side or near the position work of building the time, it is very important obtaining back visibibility at the traffic volume.
Therefore, can under idling pattern and work pattern, on the picture 13a of monitor 13, select the image that is displayed by priority respectively by operating selection switch group 33.The selection of this preferential image is set according to the situation of operation etc., for example, when machinery is worked under overheated condition, can select, and makes and select the vehicle condition display image under work pattern, shows the auxiliary visual field image under the idling pattern.Thus, can confirm not have obstruction or people etc. before entering operation actual at periphery; After entering operation, often confirm the temperature of engine cooling water, working oil etc.In addition, picture occasion such as when avenue etc. is handled machinery, the manipulation of machinery itself can be not overheated, but in the scope that moves of machinery, might exist under building and vehicle, people's etc. the situation, concerning the operator on every side, in order to reduce the zone that becomes the dead angle as far as possible, preferably select, make under the idling pattern, preferentially to show vehicle condition display frame by the preferential auxiliary visual field image that shows under work pattern.In addition, can also set, make preferentially to be presented at identical image in idling pattern and the work pattern.
From the above mentioned, the operating selection switch group 33 in advance, by according to the condition of work of machinery etc., are chosen in only image under the pattern separately, make to show only image on the monitor 13 of being everlasting, and can reduce the frequency of manual switchover image.And, can pass through operation screen change-over switch 34, show desirable image.At this, in Fig. 7, the engine speed instrument is taken into image selection portion 30, and by this engine speed meter, detecting hydraulic crawler excavator is work pattern, or the idling pattern.
In addition, as mentioned above, under idling pattern and work pattern, any of selection vehicle condition display image or auxiliary visual field image is basic selection, still, can also be further according to moving of each one of machinery etc., select image, the so-called detailed setting that will show.Here, setting can be for example following setting in detail: even the vehicle condition display image is displayed by priority, also will switch to the auxiliary visual field image from vehicle condition display frame when operation retreats the action bars of usefulness; Not only be positioned at the rear positions of balance weight when video camera, and on the position of the left and right sides and anterior working rig 3 etc., also installed under the situation of video camera, for make the operator to vehicle retreat, when action such as right rotation, anticlockwise, depths excavation and operating means such as operating operation bar, therewith chainly, related video camera image is presented on the monitor 13; Send communication from administrative center etc. when waiting, perhaps when work pattern switches to the idling pattern, directly showing this message of the scheduled time.
On the other hand, about the abnormal information display image, only otherwise abnormality takes place, just do not carry out its demonstration.But, when becoming abnormality, just must the operator be understood.Therefore, be set at,,, just automatically switch to the abnormal information display image immediately in case abnormality takes place no matter on monitor 13, show what kind of image.For example, with regard to the temperature of engine cooling water, the temperature of engine cooling water is detected frequently by temperature pick up, is input in the data processing circuit 25 about the data of temperature, when temperature changes, just be reflected in engine cooling water temperature shown in Figure 3 and show on the C1.Simultaneously, the data about this temperature are taken into data comparing section 27.In data comparing section 27, the maximum temperature of engine cooling water is set as a reference value, when the actual detected value of the engine coolant temperature that obtains with data processing circuit 25 surpasses this a reference value, just show abnormal information shown in Figure 6 by output control part 29.That is, the output of data comparing section 27 becomes triggering, on monitor 13, automatically switches to abnormality display frame from camera review display frame immediately.
So, about according to the kind of the above-mentioned image that is displayed by priority of each mode of operation and the duty of hydraulic crawler excavator, automatically switch the detailed setting of display image, and about the item that is shown as abnormal information etc., can wait and set by on control device 20, connecting PC as input unit.In addition, also can pass through this PC etc., carry out the setting of preferential image and detailed setting etc.
Now, set, make under work pattern, the vehicle condition display image preferentially is presented on the monitor 13 by selector switch group 33; Under the idling pattern, preferentially show back visibibility image in the auxiliary visual field image, that obtain from video camera 10.In addition,, when anterior working rig 3 takes the depths to excavate posture, set as setting in detail, make preferential show in the auxiliary visual field image, confirm to use image from the operating area that video camera 13 obtains.
Under this state,, when promptly driving motor, begin the demonstration of monitor 13 when by starter motor starting hydraulic crawler excavator.Here, because become idling mode when starting, the rotating speed of motor is lower, so, be taken into image selection portion 30 from the signal of engine speed instrument.Therefore, the preferential image that is registered in preferential image setting portion 32 from setting, the back visibibility image of the preferential image when reading as the idling pattern shows back visibibility image shown in Figure 4 at the picture 13a of monitor 13.Because as the inspection item of operation before beginning, confirm around vehicle, not have obstruction, and the operator waits that not enter be very important, so the operator need not see under the state that is seated at driver's seat 6 backward, just can confirm safety on every side.
Like this, after carrying out safety verification, the rotating speed of motor is risen, enter work pattern, but, because the change in rotational speed of this motor is taken into control device 20, so, preferential image during from the idling pattern, the vehicle condition display image that automatically switches to Fig. 3 of the preferential image with as work pattern the time is presented at the state of monitor 13.Therefore, can the limit confirm the state of each one of work, operation is carried out on the limit.And, during showing this vehicle condition display image, for example, also need to carry out the safety verification at rear because make under the situation such as vehicle rollback, so, by pressing image switching switch 34, on monitor 13, switch to the back visibibility image.And, when not needing to obtain back visibibility, just turn back to vehicle condition display image as preferential image.To the reduction of this preferential image, but also application drawing carries out as change-over switch 34, for example when the action bars that retreats usefulness resets into the centre position, also can carry out the reduction to preferential image with it linkedly.In addition, the image that can select with manual operation by image switching switch 34, just not above-described, for example, when the communication information image of Fig. 5 is seen in hope, also can application drawing as change-over switch 34.
In the work of hydraulic crawler excavator, for example be in the temperature of setting as the upper limit when above when engine cooling water, on monitor 13, automatically switch from preferential image, show the abnormality display image of Fig. 6.In this case, need take to remove the measure of abnormality, surpass in engine coolant temperature under the situation of ceiling temperature, stop operation, reduce the rotating speed of motor, thereby remove abnormality.And, till the demonstration of this abnormality lasts till that releasing is somebody's turn to do unusually.Therefore, because engine speed reduces, abnormality is removed, and when image switching, becomes the idling pattern, so next the image of Zi Dongqiehuaning is the back visibibility image.Therefore, before can beginning in the operation after removing abnormality, carry out safety inspection,, when entering operation, just switch to vehicle condition display image as the preferential image of this moment when the rotating speed that improves motor once more.
Also have, because as setting in detail, when excavating in the depths, the operating area of excavating the position is confirmed with image setting to be preferential image, so, when the posture of anterior working rig 3 becomes depths excavation state, automatically switch to the state of demonstration from the image of video camera 11 from the vehicle condition display image.Therefore, under common state, the operator in driver's cabin 6 can correctly hold the state of the excavation position that can't see, carries out operation efficiently.In addition,, excavate the position from the depths when rising, on monitor 13, just switch to the state that shows the vehicle condition display image when mobile anterior working rig 3.
By the above, because can optimal displaying contents be presented on the single monitor 13 according to the situation of operation, so, can be safely and make machine work efficiently.And, because can significantly reduce must by the operator with manual operation carry out the frequency of switching image, thus, also can guarantee efficient, safe operation, concerning the operator, also aggravate the burden not.
Claims (5)
1. the display unit of a construction machinery, described construction machinery has motor, by this engine-driven hydraulic pump and a plurality of Actuator Divisions of driving by the pressure oil of supplying with from this hydraulic pump, at least be provided with the sensor of the surplus that detects the fuel supply to above-mentioned motor and engine coolant temperature and working oil temperature, based on from the unusual abnormal detector of the signal detection duty of these sensors and the video camera that monitors periphery, the display unit of this construction machinery is characterised in that:
In the driver's cabin of above-mentioned construction machinery, be provided with monitor, this monitor optionally shows at least from the vehicle condition information of above-mentioned each sensor output and the auxiliary visual field image information that obtains with above-mentioned video camera;
And have the image selection portion of selecting display image in the control device that this monitor is connected;
This image selection portion is controlled feasible, by preferential image setting device, selects preferentially to be presented at preferential image on the above-mentioned monitor according to the duty of above-mentioned construction machinery, and is presented on the above-mentioned monitor;
In addition, above-mentioned image selection portion is connected with manual switching device, by this manual switching device, can be desirable image from above-mentioned preferential image switching with the display image of above-mentioned monitor.
2. the display unit of construction machinery according to claim 1 is characterized in that:
In output during from the abnormal information of above-mentioned abnormal detector, the demonstration of switching above-mentioned monitor makes preferential image from selecting with above-mentioned image selection portion to switch to the display abnormality frame.
3. the display unit of construction machinery according to claim 2 is characterized in that:
In above-mentioned construction machinery, also be provided with the communicator of reception from the message of related facility, can pass through above-mentioned manual switching device, switch to the communication information message that demonstration receives with this communicator from above-mentioned vehicle condition information or video camera image information.
4. the display unit of construction machinery according to claim 1 is characterized in that:
Above-mentioned preferential image setting device under the duty of above-mentioned construction machinery, in the time of when can distinguish with work pattern work with the work of idling pattern, is set preferential image respectively.
5. the display unit of construction machinery according to claim 4 is characterized in that:
Above-mentioned preferential image setting device can also set basis constitutes the working condition of each one of above-mentioned construction machinery and the preferential image that shows.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP378665/2003 | 2003-11-07 | ||
| JP2003378665A JP4310632B2 (en) | 2003-11-07 | 2003-11-07 | Construction machine display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1614162A true CN1614162A (en) | 2005-05-11 |
| CN1614162B CN1614162B (en) | 2013-02-13 |
Family
ID=34688974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004100885872A Expired - Fee Related CN1614162B (en) | 2003-11-07 | 2004-11-05 | Display device for constructing machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4310632B2 (en) |
| KR (1) | KR101058462B1 (en) |
| CN (1) | CN1614162B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP4310632B2 (en) | 2009-08-12 |
| CN1614162B (en) | 2013-02-13 |
| KR20050044289A (en) | 2005-05-12 |
| JP2005138751A (en) | 2005-06-02 |
| KR101058462B1 (en) | 2011-08-24 |
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