CN2678986Y

CN2678986Y - Safety dynamic detector for train

Info

Publication number: CN2678986Y
Application number: CN 200420018587
Authority: CN
Inventors: 朱金良; 何平
Original assignee: Harbin Kejia General Electro Machine Co ltd
Current assignee: Harbin Kejia General Electro Machine Co ltd
Priority date: 2004-03-12
Filing date: 2004-03-12
Publication date: 2005-02-16
Anticipated expiration: 2014-03-12

Abstract

The utility model discloses safe and dynamic detecting equipment for a train or a vehicle, relating to the detecting equipment for the vehicle, concretely to the dynamic detecting equipment for the train. A plurality of signal output terminals of a wheel detecting unit (1) are respectively connected with a plurality of signal input terminals of a DSP central process unit (2); the data output terminal and the data input terminal of the DSP central process unit (2) are connected with the data output terminal and the data input terminal of an industry PC (4); four controlled ends of an image taking units (3) are respectively connected with four controlled ends of the DSP central process unit (2); four image signal output terminals of image taking units (3) are respectively connected with four image signal output terminals of the industry PC (4); the controlled end of the lighting unit (5) is connected with the controlled output end of the DSP central process unit (2). The utility model can achieve clear images at the key part of the vehicle under any climate condition and has the advantages of high speed, high efficiency, and stability, and the images can not be lost.

Description

Train safety dynamic detecting equipment

Technical field: the utility model relates to a kind of vehicle dynamic check implement, specifically is a kind of dynamic detecting equipment of train.

Background technology: for a long time, the maintenance of rolling stock mainly relies on the train-examiner to carry out hand inspection with traditional-handwork instruments such as cautious hammer, hand lamp and spanners, not only efficient is low for this skill detecting method, labour intensity is big, and very easily is subjected to the influence of factors such as train-examiner's technology, sense of responsibility and climate environment.Along with Chinese national economy grow continuously and fast so that drive railway transportation at a high speed, the development of heavy duty, big density service direction, traditional inspection car method more and more can not adapt to the needs of railway transportation to daily train skill inspection.And existing vehicle dynamic check implement is to make a video recording continuously when train movement, can't photograph steady and audible image to key position, and exist image contraposition deviation big, lose disadvantages such as image, image exposure degree be inconsistent.

The utility model content: the purpose of this utility model provides a kind of train safety dynamic detecting equipment.Efficient was low when the utility model can solve manual detection, labour intensity is big, inaccurate and existing vehicle dynamic check implement is when detecting the train movement image, can't photograph steady and audible image to key position, and exist image contraposition deviation big, lose disadvantages such as image, image exposure degree be inconsistent.The utility model is made up of a plurality of wheels position of wheel detecting unit 1, DSP central processing unit 2, four image pickup unit 3, Industrial PC Computer 4, lighting units 5; The signal output part of a plurality of wheels position of wheel detecting unit 1 connects a plurality of signals discrepancy ends of DSP central processing unit 2 respectively, the data I/O of DSP central processing unit 2 connects the quantitative data input mouth of Industrial PC Computer 4, the controlled end of four image pickup unit 3 connects four control ends of DSP central processing unit 2 respectively, the image signal output end of four image pickup unit 3 connects four picture signal input ends of Industrial PC Computer 4 respectively, and the controlled end of lighting unit 5 connects the control output end of DSP central processing unit 2.Principle of work: system detects the signal constantly that passes through of train wheel by a plurality of wheels position of wheel detecting unit 1 device, this signal is sent into DSP central processing unit 2 and is carried out signal conditioning, DSP central processing unit 2 calculates the instantaneous running velocity of detected vehicle and the passage period of wheel, DSP central processing unit 2 triggers the single-frame images that carries out the predetermined detection position in four image pickup unit 3 of control according to the time information of wheel by the cooresponding wheel detection point of corresponding site and takes, and its graphicinformation is kept in the Industrial PC Computer 4.The utility model can obtain the crucial brilliant image that detects the position of vehicle under all weather conditions, and have at a high speed, efficient, stable, the advantage of not losing image.

Description of drawings: Fig. 1 is the utility model integral structure scheme drawing, Fig. 2 is a plurality of sensor 1-1 and a rail installation site scheme drawing in the specific embodiment, Fig. 3 is four pick up camera 3-1 and rail installation site scheme drawing, Fig. 4 is the structural representation of wheel position of wheel detecting unit 1, Fig. 5 is the structural representation of image pickup unit 3, Fig. 6 is the structural representation of lighting unit 5, and Fig. 7 is the structural representation of camera lens gate cell 6.

The specific embodiment one: in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 present embodiment is described, present embodiment is made up of a plurality of wheels position of wheel detecting unit 1, DSP central processing unit 2, four image pickup unit 3, Industrial PC Computer 4, lighting units 5; The signal output part of a plurality of wheels position of wheel detecting unit 1 connects a plurality of signals discrepancy ends of DSP central processing unit 2 respectively, the data I/O of DSP central processing unit 2 connects the quantitative data input mouth of Industrial PC Computer 4, the controlled end of four image pickup unit 3 connects four control ends of DSP central processing unit 2 respectively, the image signal output end of four image pickup unit 3 connects four picture signal input ends of Industrial PC Computer 4 respectively, and the controlled end of lighting unit 5 connects the control output end of DSP central processing unit 2; Described wheel position of wheel detecting unit 1 is made up of wheel position sensing device 1-1, comparator 1-2, monostable filter 1-3, level converter 1-4; The signal output part of wheel position sensing device 1-1 connects the signal input part of comparator 1-2, the signal output part of comparator 1-2 connects the signal input part of monostable filter 1-3, the signal output part of monostable filter 1-3 connects the signal input part of level converter 1-4, and the signal output part of level converter 1-4 connects the signal input part of DSP central processing unit 2; Image pickup unit 3 is made up of pick up camera 3-1, level converter 3-2, image pick-up card 3-3; The controlled end of pick up camera 3-1 connects the control signal output ends of level converter 3-2, the input end of level converter 3-2 connects the control signal output ends of DSP central processing unit 2, the image signal output end of pick up camera 3-1 connects the picture signal input end of image pick-up card 3-3, and the digital signal output end of image pick-up card 3-3 connects the digital signal input end of Industrial PC Computer 4; Lighting unit 5 is made up of illuminating lamp 5-1, luminous lamp switch circuit 5-2, level converter 5-3; The power input of illuminating lamp 5-1 connects the mouth of luminous lamp switch circuit 5-2, the controlled end of luminous lamp switch circuit 5-2 connects the signal output part of level converter 5-3, and the signal input part of level converter 5-3 connects the control signal output ends of DSP central processing unit 2; A plurality of wheel position sensing device 1-1 are evenly arranged between two rails of railway line, and orientation is parallel with rail and the center-point of a plurality of wheel position sensing device 1-1 all is on the same straight line; A pick up camera 3-1 is respectively installed in the both sides of railway, and two pick up camera 3-1 ' are arranged in railway line two with between the rail, and pick up camera 3-1 is vertical with rail with pick up camera 3-1 ' orientation.It is CG-3 that wheel position sensing device 1-1 selects model for use, it is LM339 that comparator 1-2 selects model for use, it is 74HC122 that monostable filter 1-3 selects model for use, it is 74HC245 that level converter 1-4 selects model for use, it is MT2821 that pick up camera 3-1 selects model for use, it is 74HC245 that level converter 3-2 selects model for use, it is BV3000 that image pick-up card 3-3 selects model for use, what illuminating lamp 5-1 selected for use is iodine-tungsten lamp, it is JGX50 that luminous lamp switch circuit 5-2 selects model for use, it is 74HC245 that level converter 5-3 selects model for use, and it is TMS320-DSP that DSP central processing unit 2 is selected model for use, and the model that Industrial PC Computer 4 is selected for use is to grind magnificent 610H.

The specific embodiment two: present embodiment is described in conjunction with Fig. 1, Fig. 7, this specific embodiment increases by four control ends that the controlled end that 6, four camera lens gate cells 6 of four camera lens gate cells are arranged connects DSP central processing unit 2 respectively on the basis of the specific embodiment one; Described camera lens gate cell 6 is made up of level converter 6-1, camera lens door executive device 6-2; The input end of level converter 6-1 connects DSP central processing unit 2 control ends, and the control signal output ends of level converter 6-1 connects the controlled end of camera lens door executive device 6-2.Other composition is identical with the specific embodiment one with annexation.It is 74HC245 that level converter 6-1 selects model for use, and it is MGMA0.3 that camera lens door executive device 6-2 selects model for use.Camera lens gate cell 6 can keep the lens cleaning of pick up camera 3-1 for a long time, increases the service life of camera lens, and guarantees the visibility of the image of taking the photograph.

Claims

1, train safety dynamic detecting equipment is characterized in that it is made up of a plurality of wheels position of wheel detecting unit (1), DSP central processing unit (2), four image pickup unit (3), Industrial PC Computer (4), lighting unit (5); The signal output part of a plurality of wheels position of wheel detecting unit (1) connects a plurality of signals discrepancy ends of DSP central processing unit (2) respectively, the data I/O of DSP central processing unit (2) connects the quantitative data input mouth of Industrial PC Computer (4), the controlled end of four image pickup unit (3) connects four control ends of DSP central processing unit (2) respectively, the image signal output end of four image pickup unit (3) connects four picture signal input ends of Industrial PC Computer (4) respectively, and the controlled end of lighting unit (5) connects the control output end of DSP central processing unit (2).

2, train safety dynamic detecting equipment according to claim 1 is characterized in that wheel position of wheel detecting unit (1) is made up of wheel position sensing device (1-1), comparator (1-2), monostable filter (1-3), level converter (1-4); The signal output part of wheel position sensing device (1-1) connects the signal input part of comparator (1-2), the signal output part of comparator (1-2) connects the signal input part of monostable filter (1-3), the signal output part of monostable filter (1-3) connects the signal input part of level converter (1-4), and the signal output part of level converter (1-4) connects the signal input part of DSP central processing unit (2).

3, train safety dynamic detecting equipment according to claim 1 is characterized in that image pickup unit (3) is made up of pick up camera (3-1), level converter (3-2), image pick-up card (3-3); The controlled end of pick up camera (3-1) connects the control signal output ends of level converter (3-2), the input end of level converter (3-2) connects the control signal output ends of DSP central processing unit (2), the image signal output end of pick up camera (3-1) connects the picture signal input end of image pick-up card (3-3), and the digital signal output end of image pick-up card (3-3) connects the digital signal input end of Industrial PC Computer (4).

4, train safety dynamic detecting equipment according to claim 1 is characterized in that lighting unit (5) is made up of illuminating lamp (5-1), luminous lamp switch circuit (5-2), level converter (5-3); The power input of illuminating lamp (5-1) connects the mouth of luminous lamp switch circuit (5-2), the controlled end of luminous lamp switch circuit (5-2) connects the signal output part of level converter (5-3), and the signal input part of level converter (5-3) connects the control signal output ends of DSP central processing unit (2).

5, train safety dynamic detecting equipment according to claim 1, it is characterized in that a plurality of wheel position sensing devices (1-1) are evenly arranged between two rails of railway line, orientation is parallel with rail and the center-point of a plurality of wheel position sensing devices (1-1) all is on the same straight line.

6, train safety dynamic detecting equipment according to claim 1, a pick up camera (3-1) is respectively installed in the both sides that it is characterized in that railway, two pick up cameras (3-1 ') are arranged in railway line two with between the rail, and pick up camera (3-1) is vertical with rail with the orientation of pick up camera (3-1 ').

7, train safety dynamic detecting equipment according to claim 1 is characterized in that its increase has four camera lens gate cells (6), the controlled end of four camera lens gate cells (6) to connect four control ends of DSP central processing unit (2) respectively.

8, train safety dynamic detecting equipment according to claim 7 is characterized in that camera lens gate cell (6) is made up of level converter (6-1), camera lens door executive device (6-2); The input end of level converter (6-1) connects DSP central processing unit (2) control end, and the control signal output ends of level converter (6-1) connects the controlled end of camera lens door executive device (6-2).