CN202806430U

CN202806430U - Engineering machinery visible monitor

Info

Publication number: CN202806430U
Application number: CN 201220523816
Authority: CN
Inventors: 张大国; 杨凤; 王光福
Original assignee: CHONGQING AEROSPACE INDUSTRY Co Ltd
Current assignee: Chongqing Aerospace Industry Co ltd
Priority date: 2012-10-12
Filing date: 2012-10-12
Publication date: 2013-03-20
Anticipated expiration: 2022-10-12

Abstract

The utility model provides an engineering machinery visible monitor. The engineering machinery visible monitor comprises a light-emitting diode (LED) display module, a random access memory (RAM) controller, a video collection module and a display switching module. An input end of the video collection module is connected with the RAM controller through an optical isolator input/output interface, an output end of the video collection module is connected with an input end of the display switching module, an input end of the display switching module is connected with the RAM controller respectively through an LED interface and the optical isolator input/output interface, and an output end of the display switching module is connected with the LED display module. According to the engineering machinery visible monitor, a video collection function is independently designed to be the specialized video module, instrument information or video information is controlled by the display switching module to be output into the LED display module, combination is easy, picture switching speed is high, video effects are clear, the video collection function and ways are completely determined by the video collection module, expandability is good, the picture switching speed can be improved, and cost can be reduced.

Description

A kind of construction machinery and equipment visual monitor device

Technical field

The utility model relates to work machine information detection, demonstration, control terminal, is specifically related to a kind of visual monitor device that is installed in the various engineering machine cab.

Background technology

Existing engineering machinery monitoring apparatus mainly contains two kinds of analog meter and liquid crystal instruments.Wherein, pointer meters is mainly for detection of vehicle water temperature, oil level, oil temperature, engine oil pressure etc., and the defective that pointer meters exists is that relative mechanism is complicated, and feasibility is lower.It is more that liquid crystal instrument detects quantity of information, but mainly also be to realize water temperature, oil level, oil temperature, engine oil pressure, and with the data exchange of controller, realize man-machine interface.

Existing analog meter and two kinds of monitors of liquid crystal instrument mainly comprise the CAN interface, the RS232 interface, and other expansion modules are few, and function upgrading is complicated, and general integrated video acquisition function not is not even integrated video acquisition function is carried out modularization yet.

In addition, existing monitor is the integrate motor control module not, is unfavorable for the small engineering machinery energy savings, for example mini-excavator, small sized loader.

The utility model content

In order to overcome the defective that exists in the above-mentioned prior art, the purpose of this utility model provides a kind of construction machinery and equipment visual monitor device, and this visual monitor device adopts modular design, is easy to combination, convenient expansion.

In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of construction machinery and equipment visual prison, comprise the LED display module, it is characterized in that: also comprise RAM controller, video acquisition module and demonstration handover module, described RAM controller links to each other with entire car controller by the CAN interface, realizes exchange and the control of car load data; Described RAM controller links to each other with GPS or GSM by the RS232 interface, realizes the Long-distance Control construction machinery and equipment; Described RAM controller links to each other with button by keystroke interface, realizes the manual operation input information; Described RAM controller links to each other with described LED display module by the LED interface, realizes demonstration and the man-machine exchange of monitor message; The input end of described video acquisition module links to each other with described RAM controller by light Isolation input output interface, the mouth of described video acquisition module links to each other with the input end of described demonstration handover module, the input end of described demonstration handover module links to each other with described RAM controller with light Isolation input output interface by the LED interface respectively, and the mouth of described demonstration handover module links to each other with described LED display module.

Construction machinery and equipment visual monitor device of the present utility model is designed to the dedicated video module with the video acquisition functional independence, by showing that handover module control instrument information output is to the LED display module, or video information outputs to the LED display module, can in 1ms, realize showing and switch, be easy to combination, extensibility is good, and Picture switch speed is fast, and video effect is clear.

The function of the utility model video acquisition and way determine that by video acquisition module video effect is clear fully, can improve Picture switch speed and reduce cost.

In a kind of preferred implementation in the utility model, described RAM controller links to each other with the throttle motor by motor control module, the running of control engine throttle motor.

Visual monitor device integrate motor control module of the present utility model is controlled engine speed, can control fuel oil consumption, reduces Hydraulic System Fever.

Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.

Description of drawings

Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:

Fig. 1 is the functional block diagram of the utility model construction machinery and equipment visual monitor device.

Reference numeral:

The 1RAM controller; The 2LED display module; 3 video acquisition module; 4 show handover module; 5 entire car controllers; 6 throttle motors; 7 buttons; The 11CAN interface; The 12RS232 interface; 13 keystroke interface; 14 motor control modules; 15 smooth Isolation input output interfaces; The 16LED interface; 17 memory controllers.

The specific embodiment

The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.

In description of the present utility model, unless otherwise prescribed and limit, need to prove that term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly to link to each other, and also can indirectly link to each other by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.

The utility model provides a kind of construction machinery and equipment visual monitor device, and as shown in Figure 1, this monitor comprises LED display module 2, and this LED display module 2 can be the existing LED display module that adopts in engineering machinery monitoring apparatus.This monitor also comprises RAM controller 1, this RAM controller 1 links to each other with entire car controller 5 by CAN interface 11, RAM controller 11 links to each other with GPS or GSM by RS232 interface 12, RAM controller 1 links to each other with button 7 by keystroke interface 13, and RAM controller 1 also links to each other with LED display module 2 by LED interface 16.

Construction machinery and equipment visual monitor device of the present utility model also comprises video acquisition module 3 and shows handover module 4, the input end of video acquisition module 3 links to each other with RAM controller 1 by light Isolation input output interface 15, the mouth of video acquisition module 3 links to each other with the input end that shows handover module 4, the input end that shows handover module 4 links to each other with RAM controller 1 with light Isolation input output interface 15 by LED interface 16 respectively, shows that the mouth of handover module 4 links to each other with LED display module 2.

In the present embodiment, this project machinery visual monitor device also comprises power circuit, and this power circuit links to each other with LED display module 2 with RAM controller 1, video acquisition module 3, demonstration handover module 4 respectively and is their power supplies.In preferred implementation of the present utility model, RAM controller 1 can link to each other with FLASH or SDRAM by memory controller 17.In another kind of preferred implementation of the present utility model, RAM controller 1 can link to each other with switch with the sensor of construction machinery and equipment every IO interface 15 by light, these sensors and switch can be but the sensor and the switch that are not limited to adopt on the existing construction machinery and equipment, RAM controller 1 is realized car load control, is shown switching controls and video channel switching controls by the signal of light every IO interface 15 collection switching values and sensor.

In the present embodiment, this RAM controller 1 links to each other with throttle motor 6 by motor control module 14, the running of control engine throttle motor, thus to engine speed control fuel oil consumption, reduce Hydraulic System Fever.

In the present embodiment, the model of RAM controller 1 is LPC1788, and motor control module 14 adopts H bridge Drive and Control Circuit, and the acp chip of video acquisition module 3 is MST717C, shows that handover module 4 adopts the Darlington transistor gating circuit.

Monitor of the present utility model can adopt two kinds of structure installation forms, and this monitor can adopt embedded mode to be installed in the operator's compartment inner cover, also can change framing member and be installed in right flank in the operator's compartment according to the side mounting means.In a kind of preferred implementation of the present utility model, monitor of the present utility model is installed in right flank in the operator's compartment according to the side mounting means, be divided into four individual components, i.e. RAM controller circuit board, demonstration handover module circuit card, video acquisition module circuit card and LCD MODULE.Wherein, the RAM controller circuit board comprises that RAM controller 1, power circuit, CAN interface 11, RS232 interface 12, LED interface 16, keystroke interface 13 and light are every IO interface 15.Power circuit is 1 power supply of RAM controller, simultaneously to showing handover module 4, video acquisition module 3 and 2 power supplies of LED display module.The CAN communication line is connected to the CAN controller of RAM controller 1 inside by CAN interface 11, realizes car load data exchange and control.It is inner that GPS or GSM are connected to the RAM controller by RS232 interface 12, realizes that again whole vehicle state information is uploaded to the WEB server, realizes server remote controllers construction machinery and equipment.LED display module 2 and demonstration handover module 4 are connected to the led controller of RAM controller 1 inside by LED interface 16 circuit, realize demonstration and the man-machine exchange of car load monitor message, 24 1024 * 768 pixels are supported in the led controller support of RAM controller 1 inside.In addition, the monitor button is connected to the keystroke interface of RAM by key circuit, realizes the manual operation input information.RAM controller 1 gathers external sensor signal and external switch signal by light every IO interface 15, and the output of control relay or MOS device realizes car load control, shows switching controls, the video channel switching controls.Show that handover module 4 realization video acquisition module signals and pilot signal export the selection control of Liquid Crystal Module to, reserve the installation site of GPS module and gsm module simultaneously.Video acquisition module 3 realizes the camera signals collection, and analogue to digital conversion is supported 1-4 group camera signals.

Controller of the present utility model can be used for various engineering machinery, when this controller is applied to wheel shovel and traxcavator, realized the monitoring of chaufeur to the operation blind area, used at wheel shovel and can realize the automatic switchover video monitoring function of moveing backward.

In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.

Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment in the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.

Claims

1. construction machinery and equipment visual monitor device, comprise LED display module (2), it is characterized in that: also comprise RAM controller (1), video acquisition module (3) and show handover module (4), described RAM controller (1) links to each other with entire car controller (5) by CAN interface (1), realizes exchange and the control of car load data; Described RAM controller (1) links to each other with GPS or GSM by RS232 interface (12), realizes the Long-distance Control construction machinery and equipment; Described RAM controller (1) links to each other with button (7) by keystroke interface (13), realizes the manual operation input information; Described RAM controller (1) links to each other with described LED display module (2) by LED interface (16), realizes demonstration and the man-machine exchange of monitor message; The input end of described video acquisition module (3) links to each other with described RAM controller (1) by light Isolation input output interface (15), the mouth of described video acquisition module (3) links to each other with the input end of described demonstration handover module (4), the input end of described demonstration handover module (4) links to each other with described RAM controller (1) with light Isolation input output interface (15) by LED interface (16) respectively, and the mouth of described demonstration handover module (4) links to each other with described LED display module (2).

2. construction machinery and equipment visual monitor device as claimed in claim 1 is characterized in that: described RAM controller (1) links to each other the running of control engine throttle motor by motor control module (14) with throttle motor (6).

3. construction machinery and equipment visual monitor device as claimed in claim 2 is characterized in that: described motor control module (14) employing H bridge Drive and Control Circuit.

4. construction machinery and equipment visual monitor device as claimed in claim 2, it is characterized in that: the model of described RAM controller (1) is LPC1788.

5. construction machinery and equipment visual monitor device as claimed in claim 1, it is characterized in that: described video acquisition module (3) comprises MST717C.

6. construction machinery and equipment visual monitor device as claimed in claim 1 is characterized in that: described demonstration handover module (4) employing Darlington transistor design gating circuit.