Photoelectric combination cable installation structure of detection device

Abstract

The utility model relates to the technical field of photoelectric combination cable installation, in particular to a photoelectric combination cable installation structure of a detection device, which comprises a detection device body used for carrying out low-frequency oscillation detection on a generator set. A photoelectric combination cable used for being connected with a generator set for detection is installed in the detection device body. The photoelectric combined cable is movably installed on the detection device body, the length of the photoelectric combined cable is adjusted, the photoelectric combined cable penetrates through the guide sleeve, the guide sleeve is positioned, and the photoelectric combined cable can be fixed on the detection device body, so that the photoelectric combined cable can be fixed on the detection device body, and the photoelectric combined cable can be fixed on the detection device body. And finally, positioning of the photoelectric combination cable is realized, enough pressure can be applied to ensure that the guide sleeve and the photoelectric combination cable are not loosened after being positioned, and damage to the photoelectric combination cable caused by direct pressing of the photoelectric combination cable is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to photoelectric combined cable installation technical field, concretely is a kind of photoelectric combined cable installation structure of detection device. BACKGROUND

[0002] When power low-frequency oscillation occurs in generator set, without any early warning information at plant station side, it will cause that operation personnel cannot take oscillation suppression measures quickly and effectively, and it brings passive situation to company in fast response processing active power low-frequency oscillation of unit, therefore, it needs to detect low-frequency oscillation of generator set by generator set detection device.

[0003] In prior art, in order to avoid that installation of detection equipment is limited by cable length, cable is installed on detection equipment in a length-adjustable manner, and the length-adjustable cable installation structure is a semiconductor refrigerator temperature detection device disclosed in patent application number "CN202122802267.0", wherein it is recorded that "cable length adjusting unit can adjust cable length outside the shell", and spring and arc pressing plate are used to press and position cable.

[0004] However, in prior art, for positioning of length-adjustable cable installed on detection equipment, spring or other pressing structure is directly used to press cable, which can cause problems such as insufficient pressure applied to cable, resulting in cable loosening, or excessive pressure applied to cable, resulting in damage to cable. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of photoelectric combined cable installation structure of detection device to solve the problems raised in the above background.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] A kind of photoelectric combined cable installation structure of detection device, including the detection device body for carrying out low-frequency oscillation detection to generator set, accommodating cavity is opened in the inside of the detection device body, and photoelectric combined cable for connecting generator set for detection is installed in the detection device body.

[0008] The accommodating cavity is provided with movable guide sleeve inside, one end of photoelectric combined cable penetrates guide sleeve and extends to the outside of guide sleeve, and photoelectric combined cable is designed with bending at guide sleeve, to change the direction of tension received by guide sleeve.

[0009] One side of the detection device body is provided with sliding groove, and horizontally movable threaded sleeve is arranged in sliding groove, threaded sleeve is screw-connected with threaded shaft, and one end of threaded shaft located in accommodating cavity is rotationally connected with guide sleeve.

[0010] Preferably, the photoelectric combined cable is located inside the accommodating cavity, a baffle for closing the accommodating cavity is arranged on the body of the detection device, one end of the photoelectric combined cable penetrates through the baffle and extends to outside of the accommodating cavity.

[0011] Preferably, the photoelectric combined cable is located inside the accommodating cavity, a baffle for closing the accommodating cavity is arranged on the body of the detection device, one end of the photoelectric combined cable penetrates through the baffle and extends to outside of the accommodating cavity.

[0012] Preferably, the bottom of the sliding groove is provided with a rectangular sliding groove, and the bottom of the threaded sleeve is fixedly connected with a rectangular sliding block matched with the rectangular sliding groove.

[0013] Preferably, the other end of the threaded shaft is fixedly connected with a control knob, and the surface of the control knob is provided with anti-skid grooves.

[0014] Preferably, the inner wall of the accommodating cavity is provided with an inner sliding groove, and the side of the guide sleeve located in the inner sliding groove is fixedly connected with a movable block.

[0015] Preferably, one end of the movable block is fixedly connected with an anti-skid pad, and the anti-skid pad is used for increasing the friction between the movable block and the inner wall of the inner sliding groove.

[0016] Preferably, the inner wall of the inner sliding groove is fixedly connected with a guide plate between the two sides, and the movable block is provided with a guide groove, and the guide plate and the guide groove are movably connected.

[0017] Preferably, the width of the guide groove is greater than the width of the guide plate.

[0018] Preferably, the bottom of the baffle is fixedly connected with a buckling clamping plate, and the bottom of the body of the detection device is provided with a buckling clamping groove matched with the buckling clamping plate.

[0019] The utility model discloses the beneficial effect of:

[0020] The utility model discloses a movable photoelectric combined cable is installed on the detection device body, realizes the length adjustment of photoelectric combined cable, utilizes photoelectric combined cable to pass through the guide sleeve, utilizes the positioning of guide sleeve, realizes the positioning of photoelectric combined cable finally, can exert enough pressure to guarantee that guide sleeve and photoelectric combined cable do not loosen after positioning, avoids the damage of photoelectric combined cable caused by directly pressing photoelectric combined cable. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, obviously, for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0023] Figure 2 It is a structure enlarged view of A in the present application Figure 1 .

[0024] Figure 3 It is a rear view of the detection device body in the present application Figure 1 .

[0025] Figure 4 It is a sectional view of the front view part of the detection device body in the present application Figure 1 .

[0026] Figure 5 It is a sectional view of the top view part of the detection device body in the present application Figure 1 .

[0027] Figure 6 It is a structure enlarged view of B in the present application Figure 5 .

[0028] The reference signs in the drawings are as follows:

[0029] 1, detection device body; 101, containing cavity; 102, baffle; 2, photoelectric combined cable; 3, guide sleeve; 4, sliding groove; 401, rectangular sliding groove; 5, threaded sleeve; 501, rectangular sliding block; 6, threaded shaft; 7, control knob; 8, inner sliding groove; 9, movable block; 10, non-slip pad; 11, guide plate; 12, guide groove; 13, buckling clamping plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0031] As Figure 1 , Figure 2 , Figure 3 and Figure 4A kind of photoelectric combination cable installation structure of detection device, including the detection device body 1 for carrying out low-frequency oscillation detection to generator set, detection device body 1 is prior art, such as the detection device body disclosed in the patent literature with application number "CN202022962193.2", the relevant components inside detection device body 1 are not described again, it is combined with the relevant sampling signals such as unit frequency (directly collected from generator outlet PT), unit power, unit load instruction, steam turbine speed that existing primary frequency modulation homologous device has collected, perfect increase but not increase a lot, to form the data basis of low-frequency oscillation early warning system, and in the unit existing primary frequency modulation homologous device increases data analysis system, comprehensively analyzes the data collected, superior or in advance of the determination of unit power low-frequency oscillation of State Grid and early warning.

[0032] Among them, generator set low-frequency oscillation analysis is divided into three parts: frequency oscillation, power oscillation and damping value, and the three alarms are sent to the corresponding DCS control system, and the alarm light board is added in the DCS control system.

[0033] When the early warning system detects that unit active power low-frequency oscillation occurs, the primary frequency modulation homologous device should lock the output of the frequency modulation amount of the primary frequency modulation homologous device when sending alarm, and the primary frequency modulation homologous device returns to normal work after the alarm disappears.

[0034] As Figure 1 , Figure 2 And Figure 4 , the inside of detection device body 1 is provided with accommodating cavity 101, photoelectric combination cable 2 for connecting generator set for detection is installed in detection device body 1, the specific wiring of photoelectric combination cable 2 can be completed according to prior art, one end of photoelectric combination cable 2 is directly connected to the corresponding detection element inside detection device body 1, photoelectric combination cable 2 is located in the inside of accommodating cavity 101, baffle 102 for closing accommodating cavity 101 is arranged on detection device body 1, one end of photoelectric combination cable 2 penetrates baffle 102 and extends to the outside of accommodating cavity 101, baffle 102 has opening, to facilitate photoelectric combination cable 2 to pass through, one end of photoelectric combination cable 2 located outside detection device body 1 is connected with mounting connector, for assisting photoelectric combination cable 2 to be installed and connected to external generator set, mounting connector is the connector of photoelectric combination cable connecting equipment in prior art, which will not be described again.

[0035] As Figure 4The accommodating cavity 101 is internally provided with a movable guide sleeve 3, one end of the photoelectric combined cable 2 penetrates through the guide sleeve 3 and extends to the outside of the guide sleeve 3, the guide sleeve 3 adopts a bending design, the bending part is arc-shaped, so that the guide sleeve 3 provides guidance for the photoelectric combined cable 2 while reducing the abrasion of the photoelectric combined cable 2, and the photoelectric combined cable 2 adopts a bending design at the guide sleeve 3, which is used for changing the tension direction of the guide sleeve 3.

[0036] As Figure 5 and Figure 6 One side of the detection device body 1 is provided with a sliding groove 4, the sliding groove 4 is internally provided with a horizontally movable threaded sleeve 5, the bottom of the sliding groove 4 is provided with a rectangular sliding groove 401, the bottom of the threaded sleeve 5 is fixedly connected with a rectangular sliding block 501 which is used in cooperation with the rectangular sliding groove 401, the rectangular sliding block 501 can horizontally slide in the rectangular sliding groove 401, and the threaded sleeve 5 is limited so that the threaded sleeve 5 can only move horizontally.

[0037] As Figure 5 and Figure 6 The threaded sleeve 5 is threadedly connected with a threaded shaft 6, one end of the threaded shaft 6 located in the accommodating cavity 101 is rotationally connected with the guide sleeve 3, so as to ensure that the guide sleeve 3 will not rotate with the threaded shaft 6, and the other end of the threaded shaft 6 is fixedly connected with a control knob 7, the surface of the control knob 7 is provided with anti-skid grooves, so as to facilitate manual rotation of the control knob 7.

[0038] As Figure 5 and Figure 6 The inner wall of the accommodating cavity 101 is provided with an internal sliding groove 8, one side of the guide sleeve 3 and located in the internal sliding groove 8 is fixedly connected with a movable block 9, one end of the movable block 9 is fixedly connected with a non-slip pad 10, and one side of the internal sliding groove 8 close to the non-slip pad 10 adopts a concave-convex design, so as to increase the friction force when the non-slip pad 10 abuts against the inner wall of the internal sliding groove 8.

[0039] As Figure 5 and Figure 6 The two sides of the inner wall of the internal sliding groove 8 are fixedly connected with a guide plate 11, the movable block 9 is provided with a guide groove 12, the guide plate 11 and the guide groove 12 are movably connected, the guide plate 11 penetrates through the guide groove 12, the width of the guide groove 12 is greater than that of the guide plate 11, the movement of the movable block 9 is guided, so that the movable block 9 can move in the X-axis and Y-axis directions, the movable block 9 will not rotate, and the guide sleeve 3 fixedly connected with the movable block 9 will not rotate.

[0040] The bottom of the baffle 102 is fixedly connected with a buckling plate 13, and the bottom of the detection device body 1 is provided with a buckling groove matched with the buckling plate 13, the buckling plate 13 is tightly matched with the buckling groove, the buckling plate 13 is clamped by friction, and the baffle 102 is positioned on one side of the detection device body 1.

[0041] The working principle of the photoelectric combined cable installation structure of the detection device is as follows:

[0042] When it is needed to install and connect the photoelectric combined cable 2 on the detection device body 1 to the generator set, and low-frequency oscillation detection is performed on the generator set, the control knob 7 can be rotated clockwise to drive the threaded shaft 6 to rotate clockwise, the threaded shaft 6 drives the guide sleeve 3 to move, the guide sleeve 3 drives the movable block 9 and the non-slip pad 10 to move away from the uneven side wall of the internal sliding groove 8, at this time, the control knob 7 can be horizontally moved towards or away from the baffle 102 to drive the guide sleeve 3 to move horizontally, and then the photoelectric combined cable 2 can be pulled out or retracted, so that the available length of the photoelectric combined cable 2 outside the detection device body 1 is controlled.

[0043] Conversely, the control knob 7 can be counterclockwise rotated to drive the threaded shaft 6 to rotate counterclockwise, so that the threaded shaft 6 drives the guide sleeve 3, the movable block 9 and the non-slip pad 10 to move towards the uneven side wall of the internal sliding groove 8 until the non-slip pad 10 abuts against the uneven side wall of the internal sliding groove 8, the positioning of the guide sleeve 3 is realized, the guide sleeve 3 cannot move, and the photoelectric combined cable 2 passing through the guide sleeve 3 cannot be pulled out to the outside of the detection device body 1, so that the positioning of the photoelectric combined cable 2 is realized.

[0044] Compared with the related art, the photoelectric combined cable installation structure of the detection device has the following beneficial effects:

[0045] The photoelectric combined cable 2 is installed on the detection device body 1 in a movable manner, the length of the photoelectric combined cable 2 is adjusted, the photoelectric combined cable 2 passes through the guide sleeve 3, the positioning of the guide sleeve 3 is realized, and finally the positioning of the photoelectric combined cable 2 is realized, sufficient pressure is applied to ensure that the guide sleeve 3 and the photoelectric combined cable 2 are not loosened after positioning, and direct compression of the photoelectric combined cable 2 is avoided to prevent damage to the photoelectric combined cable 2.

[0046] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. An optoelectrical combined cable installation structure of a detection device, comprising a detection device body (1) for low frequency oscillation detection of a generator set, characterized in that, The inside of the detection device body (1) is provided with a containing cavity (101), and the detection device body (1) is provided with a photoelectric combined cable (2) for connecting a generator set for detection; The inside of the containing cavity (101) is provided with a movable guide sleeve (3), one end of the photoelectric combined cable (2) penetrates through the guide sleeve (3) and extends to the outside of the guide sleeve (3), and the photoelectric combined cable (2) is designed to be bent at the guide sleeve (3) for changing the tension direction of the guide sleeve (3). One side of the detection device body (1) is provided with a sliding groove (4), and the sliding groove (4) is provided with a horizontally movable threaded sleeve (5); a threaded shaft (6) is threadedly connected to the threaded sleeve (5), and one end of the threaded shaft (6) located in the containing cavity (101) is rotationally connected with the guide sleeve (3).

2. An electro-optical assembly cable mounting structure for a detection device according to claim 1, wherein The photoelectric combined cable (2) is located in the containing cavity (101), and the detection device body (1) is provided with a baffle (102) for closing the containing cavity (101), one end of the photoelectric combined cable (2) penetrates through the baffle (102) and extends to the outside of the containing cavity (101).

3. An electro-optical assembly cable mounting structure for a detection device according to claim 2, wherein, One end of the photoelectric combined cable (2) located outside the detection device body (1) is connected with a mounting connector for assisting in mounting and connecting the photoelectric combined cable (2) to an external generator set.

4. The photoelectric combination cable mounting structure of a detection device according to claim 1, characterized by, The bottom of the sliding groove (4) is provided with a rectangular sliding groove (401), and the bottom of the threaded sleeve (5) is fixedly connected with a rectangular sliding block (501) matched with the rectangular sliding groove (401).

5. An electro-optical assembly cable mounting structure for a detection device according to claim 4, wherein, The other end of the threaded shaft (6) is fixedly connected with a control knob (7), and the surface of the control knob (7) is provided with anti-skid grooves.

6. The photoelectric combination cable installation structure of a detection device according to claim 1, wherein The inner wall of the containing cavity (101) is provided with an inner sliding groove (8), and one side of the guide sleeve (3) located in the inner sliding groove (8) is fixedly connected with a movable block (9).

7. An electro-optical assembly cable mounting structure for a detection device according to claim 6, wherein, One end of the movable block (9) is fixedly connected with an anti-skid pad (10) for increasing the friction between the movable block (9) and the inner wall of the inner sliding groove (8).

8. An electro-optical assembly cable mounting structure for a detection device according to claim 6, wherein, The inner wall of the inner sliding groove (8) is fixedly connected with a guide plate (11) between the two sides, and the movable block (9) is provided with a guide groove (12), and the guide plate (11) and the guide groove (12) are movably connected.

9. An electro-optical assembly cable mounting structure for a detection device according to claim 8, wherein, The width of the guide groove (12) is greater than the width of the guide plate (11).

10. The photoelectric combination cable installation structure of a detection device according to claim 2, wherein The bottom of the baffle (102) is fixedly connected with a buckling clamping plate (13), and the bottom of the detection device body (1) is provided with a buckling clamping groove matched with the buckling clamping plate (13).

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