CN2146093Y - Deep well colour TV observation appliance - Google Patents

Abstract

The utility model discloses a deep well color TV observation appliance, relating to a television monitoring device which is particularly suitable for observing the well wall and the well bottom of a deep well, and corrosion cracking of the well wall, the entry of the running sand and foreign matter due to the break of a water strainer, etc. can be observed. The system is composed of a ground control device, a cable transmission part, a detecting head and a control circuit. The cable transmission part is composed of signals, electric power coaxial cables and a cable reel. The cable reel is composed of a fixed transport mechanism composed of the thread penetrating hole of a central axis, a slip ring, and a spacing ring and a slewing mechanism composed of a cable reel, an insulating board, and a current conducting brush. The supply of power for the motor of the detecting head and a lighting lamp is realized by the means that the supply of power of the slip ring of the motor is implemented through the current conducting brush. Thus, the motor can drive a reflection mirror to rotate 360 DEG. Images around the well wall are reflected into a camera through the reflection mirror by means of light. The utility model has the advantage that the images of a plurality of parts in the well can be visually observed. Scientific basis can be offered for maintenance.

Description

Deep well colour TV observation appliance

The utility model relates to a kind of television monitoring device, is specially adapted to the borehole wall of deep-well and the observation in shaft bottom, is used to check the corrosion crackle of the borehole wall, and the water strainer breakage enters quicksand, falls into situations such as foreign matter.

At present the deep-well state is monitored, still do not have effective checkout facility, can not in time observe the discovery fault keep in repair, influence is used and is caused well to scrap too early.

The purpose of this utility model provides a kind of deep-well color TV observation device, will pop one's head in and directly put into well, can see each the station diagram picture in the well intuitively, and personnel provide scientific basis for maintenance.

The technical solution of the utility model is achieved in that deep-well color TV observation system is by GCU, cable transmission part, detecting head and control circuit are formed, and GCU wherein is made up of monitor, video tape recorder, operation control box; Operation control box provides power supply by cable to detecting head, the power of its lighting source of remote control, and control video camera and the rotation of level observation head, the image backspace monitor of video camera, and open video tape recorder and carry out synchronized video recording, its special character is:

A. cable transmission partly is made up of signal and electric power coaxial cable and cable hank; The constant transmissions mechanism that cable hank is made up of axle, through wires hole and slip ring, spacer ring and formed by the slew gear that cable hank, insulation board and conduction brush are formed.

B. detecting head comprises sealing drum, video camera, level observation head composition; Video camera is installed in the sealing drum, link to each other with level observation head by ring flange, level observation head is by cloche, speculum, illuminating lamp, motor, compositions such as lower body, cloche is positioned in the middle of ring flange and the lower body, use bolt, the thread root of bolt has two boss to limit to the relative position of ring flange and lower body, be provided with sealing gasket between cloche and ring flange and the lower body, speculum is contained on the motor rotation axis column, illuminating lamp is equipped with in the top of speculum, the power supply of motor and illuminating lamp is by the slip ring power supply of conduction brush to motor, make 360 ° of rotations of motor drives speculum, speculum reflexes to the image around the borehole wall in the video camera that is installed in the mirror top by light and goes.

C. the influence of disturbing for the spark of eliminating motor is in the control circuit of motor on the motor and a capacitor arranged.

Now describe the utility model most preferred embodiment in conjunction with the accompanying drawings in detail:

Fig. 1 is a deep-well color TV observation device block diagram

Fig. 2 is the cable transmission structural representation

Fig. 3 is the structural representation of detecting head

Fig. 4 is the A-A profile of detecting head

Fig. 5 is a motor electronic speed governing line map

Among the figure:

1. carriage 13. clamp nuts 25. boss

2. cable hank 14. through wires holes 26. reflective mirrors

3. horizontal bar 15. bearings 27. columns

4. dust cover 16. ramuscule seats 28. pressing plates

5. the little axle of axle 17. 29. conduction brush

6. big bearing 18. lower bodies 30. insulating cases

7. bearing 19. nuts 31. spacer rings

8. brush carrier 20. video cameras 32. slip rings

9. spacer ring 21. connecting bolts 33. motor mounting discs

10. slip ring 22. cloches 34. insulators

11. conduction brush 23. sealing gaskets 35. motor

12. insulation board 24. ring flanges 36. illuminating lamps

37. sealing drum

Deep-well color TV observation device as shown in Figure 1, be made up of GCU, cable transmission part, detecting head: GCU is made up of power supply, pressurizer, monitor, video tape recorder, operation control box; Operation control box provides power supply by cable to detecting head, the power of its lighting source of remote control is controlled the rotation of its video camera and level observation head, the image backspace monitor of video camera, and open video tape recorder and carry out synchronized video recording, control cabinet possesses simultaneously the water depth Presentation Function is arranged.

The cable transmission part as shown in Figure 2, be made up of signal and electric power coaxial cable and cable hank two parts: carriage 1 is installed axles 5 and little axle 17 and on big or small bearing bolt is housed by big bearing 6 and ramuscule seat 16, make its axle 5 and little axle 17 transfixions, spacer ring 9 slip rings 10 conduction brush 11 are housed on the axle 5, the head of axle 5 is equipped with cable socket, lead-in wire is connected with slip ring 10 by the through wires hole on the axle 5 14, cable hank 2 is done gyration by bearing 7, brush carrier 8 is connected with conduction brush 11 on the insulation board of installing 12, cable joins by hole on the dust cover 4 and conduction brush 11, by axle 5, constant transmissions mechanism that through wires hole 14 and slip ring 10 spacer rings 9 are formed and the slew gear of being made up of cable hank 2 insulation boards 12 and conduction brush 11 have guaranteed twisted and released of the cable freely, realize that signal is uninterrupted.

Detecting head is shown in Fig. 3,4, and it is made up of sealing drum 37, video camera 20 and level observation head; Video camera 20 is installed in the sealing drum 37, link to each other with level observation head by ring flange 24, level observation head is made up of cloche 22, speculum 26, illuminating lamp 36, motor 35, lower body 18 etc.: ring flange 24 is fixedlyed connected with lower body 18, connecting bolt 21 is held measured length with its two ends shoulder boss 25 and is guaranteed to leave certain interval between cloche 22 and ring flange 24 and the lower body 18, add sealing gasket 23 at cloche 22 two ends, the direct contact of having avoided cloche 22 and ring flange 24 avoided impulsive force and do not leaked in deep water.Speculum 26 is installed on the column 27 of motor 35 power transmission shafts, speculum 26 tops are equipped with illuminating lamp 36, the power supply of motor 35 and illuminating lamp 36 is to power to the slip ring 32 of the output insulator 34 that is installed in motor 35 by the conduction brush 29 that is contained in insulating case 30, make motor 35 drive speculum 26 and carry out 360 ° of rotations, power supply incessantly, speculum 26 reflex to the image around the borehole wall in the video camera 20 that is installed in the mirror top by light and go.

The electric motor electron alignment circuit of level observation head as shown in Figure 5, for making video camera 20 carry out the comprehensive Continuous Observation of level by 26 pairs of boreholes wall of speculum, the function that this circuit possesses speed governing, rotating and fixes can realize any speed governing in per minute 0～10 commentaries on classics scope.When motor moves, friction produces high-frequency spark between the carbon brush of motor and slip ring, vision signal had serious disturbance, presenting snowflake from television image disturbs, the frequency of the high-frequency spark that motor produces is about about 12MHz, adopt on motor 20 and the capacitor of a 2000pf for eliminating to disturb, solved the spark interference problem fully.

Major advantage of the present utility model is each the station diagram picture that can intuitively see in the well, for maintenance provides scientific basis.

Claims (1)

1, a kind of deep-well color TV observation device, be used for the borehole wall of deep-well and the observation in shaft bottom, be made up of GCU, cable transmission part, detecting head and control circuit, GCU wherein is made up of monitor, video tape recorder, operation control box; Operation control box provides power supply by cable to detecting head, the power of its lighting source of remote control, and control video camera and the rotation of level observation head, the image backspace monitor of video camera, and open video tape recorder and carry out synchronized video recording, it is characterized in that:

A. cable transmission partly is made up of signal and electric power coaxial cable and cable hank; The constant transmissions mechanism that cable hank is made up of axle, through wires hole and slip ring, spacer ring and formed by the slew gear that cable hank, insulation board and conduction brush are formed;

B. detecting head comprises sealing drum, video camera, level observation head composition; Video camera is installed in the sealing drum, link to each other with level observation head by ring flange, level observation head is by cloche, speculum, illuminating lamp, motor, compositions such as lower body, cloche is positioned in the middle of ring flange and the lower body, use bolt, the thread root of bolt has two boss to limit to the relative position of ring flange and lower body, be provided with sealing gasket between cloche and ring flange and the lower body, speculum is contained on the motor rotation axis column, illuminating lamp is equipped with in the top of speculum, the power supply of motor and illuminating lamp is by the slip ring power supply of conduction brush to motor, make 360 ° of rotations of motor drives speculum, speculum reflexes to the image around the borehole wall in the video camera that is installed in the mirror top by light and goes;

C. the influence of disturbing for the spark of eliminating motor is in the control circuit of motor on the motor and a capacitor arranged.

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