CN214200356U - Contact net vibration detection device - Google Patents
Contact net vibration detection device Download PDFInfo
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- CN214200356U CN214200356U CN202120212695.5U CN202120212695U CN214200356U CN 214200356 U CN214200356 U CN 214200356U CN 202120212695 U CN202120212695 U CN 202120212695U CN 214200356 U CN214200356 U CN 214200356U
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- pull arm
- acceleration sensor
- hinged
- data acquisition
- positioning tube
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Abstract
The utility model discloses a contact net vibration monitoring device, which comprises a data acquisition node, wherein the contact net comprises a flat pull arm, a slant pull arm, a positioning tube and a positioner, the flat pull arm is parallel to the ground, the slant pull arm is hinged with the flat pull arm, one end of the positioning tube is hinged with one side of the length direction of the slant pull arm, the other end is hinged with a connecting tube, one end of the connecting tube is hinged with the positioning tube, the other end is hinged with the slant pull arm, one side of the length direction of the positioning tube is connected with the positioner, the device also comprises an acceleration sensor, the data acquisition node is arranged on the flat pull arm, one end of the positioner far away from the positioning tube is connected with the acceleration sensor, the signal output end of the acceleration sensor is connected with the signal input end of the data acquisition node, the data acquisition node is awakened through the acceleration sensor, thereby achieving the purpose of monitoring vibration events with extremely high real-time requirements, and the sleeping can be realized when the sleeping bag is still, so that the effects of reducing energy consumption and ensuring long-term effective work are achieved.
Description
Technical Field
The utility model relates to a contact net detection area especially relates to a contact net vibration detection device.
Background
The online detection of the overhead line system, particularly the high-voltage end, is difficult, and has the characteristics that the equipment is required to be small in size and high in cruising ability, the online detection can be carried out dynamically in real time for a long time, the maintenance is not required, the key events of the overhead line system are not in normal times, but in the vibration condition of the overhead line system when an organic vehicle passes, the vibration is an emergency and is not in vibration at any time, so that the data detected in normal times are mostly useless data, in the practical use, the pantograph passing process is 30 seconds, the vibration can be generated in the time, the next passing time can be 5 minutes or 10 minutes later or longer, the time means that more than 95% of the time is idle time, but the equipment is continuously detected in the time, so that the energy consumption is increased, and the detection reliability is influenced. The device can be dormant in the period without detection, and the power consumption is reduced and the working time is prolonged by dormancy.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a contact net vibration detection device has and to carry out dormancy, and the vibration awakens up, can reduce the consumption, extension operating time's advantage.
The technical scheme of the utility model is that:
the utility model provides a contact net vibration detection device, includes the data acquisition node, the contact net draws arm, oblique arm, registration arm and locator including flat, the arm is drawn with parallel to ground to the flat, draw the arm to one side and draw the arm articulated with flat, registration arm one end is drawn arm length direction one side with oblique articulated, the articulated connecting pipe of the other end, connecting pipe one end is articulated with the registration arm, and the other end is drawn the arm with oblique articulated, registration arm length direction one side links to each other with the locator, the device still includes acceleration sensor, the data acquisition node sets up on the arm is drawn to the flat, acceleration sensor is connected to the one end that the registration arm was kept away from to the locator, acceleration sensor's signal output part links to each other with the signal input part of data acquisition node.
The utility model discloses a clamp, including acceleration sensor, bottom plate and clamping piece, the clamping piece is connected to acceleration sensor direction of height one end, the other end links to each other with the locator, the fastener includes bottom plate and clamping piece, the bottom plate includes connecting plate and centre gripping fixed plate, connecting plate one end links to each other with acceleration sensor, the other end and centre gripping fixed plate mutually perpendicular, be provided with the first through-hole that runs through the centre gripping fixed plate on the centre gripping fixed plate, the clamping piece is parallel to each other with the centre gripping fixed plate, be provided with the second through-hole that corresponds first through-hole on the clamping piece, be provided with connecting bolt between first through-hole and the second through-hole, connecting bolt runs through first through-hole and second through-hole.
And the connecting bolt is connected with an adjusting nut and a cotter pin.
And a carrier cable is connected between the flat pull arm and the positioning pipe.
The data acquisition node is connected with the flat pull arm through a hoop.
The utility model has the advantages that:
1. the data acquisition node is mounted on the flat pull arm, the acceleration sensor is mounted at the positioner, the data acquisition node is awakened and dormant through the acceleration sensor, when the acceleration of more than 2G is generated in any direction of the acceleration sensor, a rising edge signal and a falling edge signal are output according to the direction, the two signals can awaken a built-in chip of the data acquisition node so as to execute a data acquisition task, when the vibration is reduced or stopped for one minute, the acceleration sensor enters a low power consumption mode, and a signal is fed back to the data acquisition node for dormancy, so that the reliability of data acquisition can be effectively guaranteed, the energy consumption of the data acquisition node can be reduced, and the service life is prolonged;
2. one end of the acceleration sensor is connected with the positioner, and the other end of the acceleration sensor is in contact with the contact line through the wire clamp, so that the use reliability and accuracy can be improved;
3. the connecting nut and the split pin are arranged on the connecting bolt, so that the bolt can be prevented from falling off, and the reliability of detection can be improved;
4. a carrier cable is connected between the flat pull arm and the positioning pipe, so that the positioning pipe can be pulled, and the reliability and convenience of installation are improved;
5. the data acquisition node is connected with the flat arm through the hoop, so that the connection stability is good, and the detection reliability can be improved.
Drawings
Fig. 1 is a schematic view of an overall structure of a vibration detection device of a contact network according to an embodiment of the present invention;
fig. 2 is the embodiment of the utility model provides an acceleration sensor's of contact net vibration detection device mounting structure sketch map.
Description of reference numerals:
the device comprises a data acquisition node 1, a flat arm 2, a slant arm 3, a positioning pipe 4, a positioner 5, an acceleration sensor 6, a wire clamp 7, a connecting bolt 8, a connecting nut 9, a split pin 10, a carrier cable 11, a connecting pipe 41, a bottom plate 71, a clamping piece 72, a connecting plate 711 and a clamping fixing plate 712.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example (b):
as shown in fig. 1-2, a vibration detection device for a contact network comprises a data acquisition node 1, the contact network comprises a flat pull arm 2, an inclined pull arm 3, a positioning tube 4 and a positioner 5, the flat pull arm 2 is parallel to the ground, the inclined pull arm 3 is hinged to the flat pull arm 2, one end of the positioning tube 4 is hinged to one side of the inclined pull arm 3 in the length direction, the other end of the positioning tube is hinged to a connecting tube 41, one end of the connecting tube 41 is hinged to the positioning tube 4, the other end of the connecting tube is hinged to the inclined pull arm 3, one side of the positioning tube 4 in the length direction is connected to the positioner 5, the device further comprises an acceleration sensor 6, the data acquisition node 1 is arranged on the flat pull arm 2, one end, far away from the positioning tube 4, of the positioner 5 is connected to the acceleration sensor 6, and a signal output end of the acceleration sensor 6 is connected to a signal input end of the data acquisition node.
The working principle of the technical scheme is as follows:
the acceleration sensor 6 is arranged at one end of the locator 5, the acceleration sensor 6 is used for detecting the vibration condition on the contact line on the contact network, when the acceleration of the acceleration sensor 6 in any direction is greater than 2G, the signals of the rising edge and the falling edge are output according to the direction, and both the signals can trigger the LPC824 chip of the data acquisition node 1 to wake up and start to execute a data acquisition task. When the vibration is reduced or stopped for one minute, the acceleration sensor is controlled to enter a low power consumption mode by an instruction, the CPU closes the power supplies of other sensors and autonomously enters the low power consumption mode of timed sleep, the acceleration sensor is not wakened by the vibration within the timed time, the equipment can waken by itself, and data acquisition operation is performed to know the current environment and the equipment state of the equipment. If the vibration awakening device is vibrated and awakened, the process is executed to continue sleeping, so that the vibration event with extremely high real-time requirement can be detected, the sleeping can be carried out when the device is static, and the effects of reducing energy consumption and ensuring long-term effective work are achieved.
One end of the acceleration sensor 6 in the height direction is connected with the wire clamp 7, the other end of the acceleration sensor is connected with the positioner 5, the wire clamp 7 comprises a bottom plate 71 and a clamping piece 72, the bottom plate 71 comprises a connecting plate 711 and a clamping fixing plate 712, one end of the connecting plate 711 is connected with the acceleration sensor 6, the other end of the connecting plate 711 is perpendicular to the clamping fixing plate 712, a first through hole penetrating through the clamping fixing plate 712 is arranged on the clamping fixing plate 712, the clamping piece 72 is parallel to the clamping fixing plate 712, a second through hole corresponding to the first through hole is arranged on the clamping piece 72, a connecting bolt 8 is arranged between the first through hole and the second through hole, the connecting bolt 8 penetrates through the first through hole and the second through hole, the reliability and the accuracy of using can be improved, and the fastener is bolted connection's clamping piece, can adjust centre gripping distance and centre gripping elasticity according to the diameter of contact wire, can prevent that acceleration sensor from dropping and influence the detection reliability.
The connecting bolt 8 is connected with the adjusting nut 9 and the split pin 10, so that the bolt can be prevented from falling off, and the detection reliability can be improved.
And a carrier cable 11 is connected between the flat pull arm 2 and the positioning pipe 4, so that the positioning pipe can be pulled, and the reliability and convenience of installation are improved.
The data acquisition node 1 is connected with the flat arm 2 through a hoop, so that the connection stability is good, and the detection reliability can be improved.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (5)
1. A vibration detection device for a contact network comprises a data acquisition node (1), wherein the contact network comprises a flat pull arm (2), a slant pull arm (3), a positioning tube (4) and a positioner (5), the flat pull arm (2) is parallel to the ground, the slant pull arm (3) is hinged with the flat pull arm (2), one end of the positioning tube (4) is hinged with one side of the length direction of the slant pull arm (3), the other end of the positioning tube is hinged with a connecting tube (41), one end of the connecting tube (41) is hinged with the positioning tube (4), the other end of the connecting tube is hinged with the slant pull arm (3), one side of the length direction of the positioning tube (4) is connected with the positioner (5), the vibration detection device is characterized by further comprising an acceleration sensor (6), the data acquisition node (1) is arranged on the pull arm (2), one end of the positioner (5), which is far away from the positioning tube (4), is connected with the acceleration sensor (6), and the signal output end of the acceleration sensor (6) is connected with the signal input end of the data acquisition node (1).
2. The contact net vibration detection device according to claim 1, wherein one end of the acceleration sensor (6) in the height direction is connected with the wire clamp (7), the other end is connected with the positioner (5), the wire clamp (7) comprises a bottom plate (71) and a clamping piece (72), the bottom plate (71) comprises a connecting plate (711) and a clamping fixing plate (712), one end of the connecting plate (711) is connected with the acceleration sensor (6), the other end of the connecting plate is vertical to the clamping fixing plate (712), the clamping fixing plate (712) is provided with a first through hole penetrating through the clamping fixing plate (712), the clamping piece (72) is parallel to the clamping fixing plate (712), a second through hole corresponding to the first through hole is arranged on the clamping piece (72), a connecting bolt (8) is arranged between the first through hole and the second through hole, and the connecting bolt (8) penetrates through the first through hole and the second through hole.
3. The catenary vibration detection device according to claim 2, characterized in that the connecting bolt (8) is connected with an adjusting nut (9) and a cotter pin (10).
4. The catenary vibration detection device according to claim 1, wherein a catenary (11) is connected between the flat pull arm (2) and the positioning tube (4).
5. The contact net vibration detection device of claim 1, wherein the data acquisition node (1) is connected with the flat pull arm (2) through a hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120212695.5U CN214200356U (en) | 2021-01-26 | 2021-01-26 | Contact net vibration detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120212695.5U CN214200356U (en) | 2021-01-26 | 2021-01-26 | Contact net vibration detection device |
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| Publication Number | Publication Date |
|---|---|
| CN214200356U true CN214200356U (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120212695.5U Active CN214200356U (en) | 2021-01-26 | 2021-01-26 | Contact net vibration detection device |
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| CN (1) | CN214200356U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323240A (en) * | 2021-12-03 | 2022-04-12 | 中铁第一勘察设计院集团有限公司 | Device and method for monitoring running state of contact net positioner |
-
2021
- 2021-01-26 CN CN202120212695.5U patent/CN214200356U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323240A (en) * | 2021-12-03 | 2022-04-12 | 中铁第一勘察设计院集团有限公司 | Device and method for monitoring running state of contact net positioner |
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