CN217521642U

CN217521642U - Cable shaft well lid early warning device

Info

Publication number: CN217521642U
Application number: CN202220390693.XU
Authority: CN
Inventors: 刘惠霞; 巴瑞杰; 张娟; 谢少卫
Original assignee: Henan Yuejiang Technology Co ltd
Current assignee: Henan Yuejiang Technology Co ltd
Priority date: 2022-02-25
Filing date: 2022-02-25
Publication date: 2022-09-30
Anticipated expiration: 2032-02-25

Abstract

The utility model discloses a cable well lid early warning device, which comprises a well seat and an early warning unit; well seat: the upper end surface of the well seat is provided with an inner edge groove, a well cover is rotatably connected in a gap arranged on the inner arc surface of the inner edge groove through a rotating shaft, the lower end surface of the well cover is provided with a GPRS data transmitter, and the edge of the lower end surface of the well seat is provided with an alarm; the early warning unit: the early warning unit is fixedly connected with the upper end of the inner arc surface of the well seat; wherein: still include the PLC controller, the PLC controller sets up in the lower terminal surface of well lid, and the PLC controller is located GPRS data transmission ware's rear, and external power source is connected to the input electricity of PLC controller, and GPRS data transmission ware is connected with the two-way electricity of PLC controller, and the output of PLC controller is connected to the input electricity of siren, this cable shaft well lid early warning device, can be timely send the early warning for the surveillance center when the illegal well lid condition of opening, the reliability of well lid when daily use has been improved greatly.

Description

Cable shaft well lid early warning device

Technical Field

The utility model relates to a power grid facility technical field specifically is a cable shaft well lid early warning device.

Background

With the development of society and the progress of science and technology, the status of power grid facilities in the society plays an increasingly important role in power supply operation, cable wells convenient for cable inspection are usually selected for maintenance in order to ensure the normal operation and safe smoothness of the underground cables, and at present, cable wells are required to be provided with well seats at well mouths in daily use, and then well covers are placed in inner edge grooves of the well seats.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a cable shaft well lid early warning device, can be timely send the early warning for the surveillance center when the illegal well lid condition of opening, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a cable well lid early warning device comprises a well seat and an early warning unit;

well seat: the upper end surface of the well seat is provided with an inner edge groove, a well cover is rotatably connected in a gap arranged on the inner arc surface of the inner edge groove through a rotating shaft, the lower end surface of the well cover is provided with a GPRS data transmitter, and the edge of the lower end surface of the well seat is provided with an alarm;

the early warning unit: the early warning unit is fixedly connected with the upper end of the inner arc surface of the well seat;

wherein: still include the PLC controller, the PLC controller sets up in the lower terminal surface of well lid, the PLC controller is located GPRS data transmission ware's rear, external power source is connected to the input electricity of PLC controller, GPRS data transmission ware and the two-way electricity of PLC controller are connected, the output of PLC controller is connected to the input electricity of siren, can pass through system authorization well opening according to live to normal constructor's request, operations such as shut in the well, can be timely give the early warning for the surveillance center when the illegal well lid condition of opening, the reliability of well lid when daily use has been improved greatly, replace the regular patrol of traditional artifical mode, the security when the electric wire netting moves is improved.

Further, the early warning unit includes elliptical plate, slat, fixed block, gag lever post and spacing ring, the spacing ring sets up in the intrados upper end of well seat, and the lower terminal surface of well lid is equipped with horizontal symmetric distribution's fixed block, and equal sliding connection has the gag lever post in the spout that two fixed block middle parts set up, and the inboard end of gag lever post all rotates through the pivot to be connected with the slat, and two slats all rotate through the corresponding end of pivot and elliptical plate to be connected, have improved the reliability of well lid when daily use greatly.

Further, the early warning unit still includes pressure sensor, pressure sensor sets up respectively in the outside end of gag lever post, and PLC controller's input is connected to pressure sensor's output electricity, can be timely when the illegal well lid condition of opening send the early warning for the surveillance center.

Further, the early warning unit still includes the motor, the motor passes through the mount pad and sets up in the lower terminal surface middle part of well lid, the output shaft lower extreme of motor and the up end center fixed connection of elliptical plate, and the output of PLC controller is connected to the input electricity of motor, plays driven effect.

Further, the lower terminal surface of well lid is equipped with temperature sensor, and PLC controller's input is connected to temperature sensor's output electricity, prevents that the cable joint head temperature rise is too high to burn out the cable joint.

Further, the lower terminal surface of well lid is equipped with flue gas sensor, and flue gas sensor is located temperature sensor's rear, and PLC controller's input is connected to flue gas sensor's output electricity, in time discovers that the cable conflagration takes place.

Further, the lower terminal surface of well lid is equipped with the protection box, and there is the apron protection box's lower surface through screwed connection, and GPRS data transmission ware and PLC controller all are located the inner chamber of protection box, play safety protection's effect to its inside electrical components.

Compared with the prior art, the beneficial effects of the utility model are that: this cable shaft well lid early warning device has following benefit:

1. the staff sends a signal through external terminal and gives GPRS data transmission ware's receiving terminal, GPRS data transmission ware then gives the PLC controller with the signal synchronization of receiving, the PLC controller regulates and control the motor operation, motor output shaft clockwise rotation drives the synchronous rotation of elliptical plate, the elliptical plate rotates and pushes up the synchronous outside removal of the horizontal axial direction of corresponding gag lever post along the fixed block through the slat, until make after the outside end and the pressure sensor of gag lever post are in the below of spacing ring simultaneously, the PLC controller regulates and control the motor and stops the function, with this can open the well through system's authorization according to live request to normal constructor, operations such as shut in the well.

2. When meeting and not reporting to the relevant department and pulling or prying the well lid, pressure sensor can contact with the spacing ring, at this moment because pressure sensor monitors in real time, and synchronous with detected signal transmission for the PLC controller, judge through the PLC controller, when pressure is greater than the settlement numerical value, the PLC controller is signal transmission to external terminal through GPRS data transmission ware's output immediately, and the synchronous regulation and control siren function, sound and light take place for the siren, with this remind and warn illegal action, can be timely send the early warning for the surveillance center when the illegal well lid condition of opening, the reliability of well lid when daily use has been improved greatly.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a schematic structural diagram of the early warning unit of the present invention.

In the figure: 1 well seat, 2 well lids, 3 GPRS data transmission ware, 4 PLC controllers, 5 early warning units, 51 motors, 52 elliptical plates, 53 slat, 54 fixed block, 55 gag lever post, 56 spacing ring, 57 pressure sensor, 6 temperature sensor, 7 flue gas sensor, 8 sirens, 9 protection boxes, 10 apron, 11 interior edge grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present embodiment provides a technical solution: a cable well lid early warning device comprises a well base 1 and an early warning unit 5;

well seat 1: the well seat 1 provides an installation supporting place for the accessory mechanism unit, an inner edge groove 11 is formed in the upper end face of the well seat, the inner edge groove 11 plays a role in installation and fixation, a well cover 2 is rotatably connected in a notch formed in the inner arc surface of the inner edge groove 11 through a rotating shaft, the well cover 2 plays a role in safety protection for a cable well, a GPRS data transmitter 3 is arranged on the lower end face of the well cover 2, the GPRS data transmitter 3 can interact with a remote end in real time, an alarm 8 is arranged on the edge of the lower end face of the well seat 1, the alarm 8 is controlled to operate, and the alarm 8 generates sound and light so as to remind and warn illegal behaviors;

the early warning unit 5: the early warning unit 5 is fixedly connected with the upper end of the inner arc surface of the well seat 1, the early warning unit 5 comprises an elliptical plate 52, slats 53, fixing blocks 54, limiting rods 55 and limiting rings 56, the limiting rings 56 are arranged on the upper end of the inner arc surface of the well seat 1, the lower end surface of the well lid 2 is provided with the fixing blocks 54 which are transversely and symmetrically distributed, the limiting rods 55 are respectively and slidably connected in sliding holes formed in the middle parts of the two fixing blocks 54, the inner side ends of the limiting rods 55 are respectively and rotatably connected with the slats 53 through rotating shafts, the two slats 53 are respectively and rotatably connected with the corresponding ends of the elliptical plate 52 through rotating shafts, the early warning unit 5 further comprises a pressure sensor 57, the pressure sensors 57 are respectively arranged at the outer side ends of the limiting rods 55, the output end of the pressure sensor 57 is electrically connected with the input end of the PLC 4, the early warning unit 5 further comprises a motor 51, the motor 51 is arranged in the middle part of the lower end surface of the well lid 2 through a mounting seat, the lower end of the output shaft of the motor 51 is fixedly connected with the center of the upper end face of the elliptical plate 52, the input end of the motor 51 is electrically connected with the output end of the PLC controller 4, a worker sends a signal to the receiving end of the GPRS data transmitter 3 through an external terminal, then the motor 51 is regulated and controlled to operate, the motor 51 rotates clockwise to drive the elliptical plate 52 to rotate synchronously, the elliptical plate 52 rotates to push the corresponding limiting rod 55 to move outwards synchronously along the transverse axial direction of the fixing block 54 through the batten 53 until the outer end of the limiting rod 55 and the pressure sensor 57 are positioned below the limiting ring 56 at the same time, the PLC controller 4 regulates and controls the motor 51 to stop operating, so that the well can be opened, closed and the like through system authorization according to the request of normal construction personnel, when the well cover 2 is pulled or pried due to failure in reporting to relevant departments, the pressure sensor 57 can be contacted with the limiting ring 56, at the moment, the pressure sensor 57 monitors in real time, when the pressure is greater than a set value, signals are immediately transmitted to an external terminal through the output end of the GPRS data transmitter 3, the operation of the alarm 8 is synchronously regulated and controlled, the alarm 8 generates sound and light, so that illegal behaviors are reminded and warned, early warning can be timely sent to a monitoring center under the condition that the well lid 2 is illegally opened, and the reliability of the well lid 2 in daily use is greatly improved;

wherein: still include PLC controller 4, PLC controller 4 sets up in the lower terminal surface of well lid 2, and PLC controller 4 is located GPRS data transmission ware 3 rear, and external power source is connected to PLC controller 4's input electricity, and GPRS data transmission ware 3 is connected with PLC controller 4 two-way electricity, and PLC controller 4's output is connected to the input electricity of siren 8, regulates and control each electrical components function.

The lower terminal surface of well lid 2 is equipped with temperature sensor 6, and PLC controller 4's input is connected to temperature sensor 6's output electricity, and temperature sensor 6 real-time on-line monitoring cable shaft in the temperature rise of cable joint department and cable shaft in ambient temperature prevent that cable joint from burning out cable joint too high in the temperature rise.

The lower terminal surface of well lid 2 is equipped with smoke sensor 7, and smoke sensor 7 is located temperature sensor 6's rear, and PLC controller 4's input is connected to smoke sensor 7's output electricity, and smoke sensor 7 real-time supervision cable shaft in smog situation in time discovers the cable fire and takes place.

The lower terminal surface of well lid 2 is equipped with protection box 9, and there is apron 10 protection box 9's lower surface through screwed connection, and GPRS data transmission ware 3 all is located protection box 9's inner chamber with PLC controller 4, and protection box 9 and apron 10 cooperation set up the effect that plays safety protection to its inside electrical components.

The utility model provides a pair of cable shaft well lid early warning device's theory of operation as follows: the working personnel sends signals to the receiving end of the GPRS data transmitter 3 through an external terminal, the GPRS data transmitter 3 synchronously sends the received signals to the PLC controller 4, the PLC controller 4 regulates and controls the operation of the motor 51, the clockwise rotation of the output shaft of the motor 51 drives the elliptical plate 52 to synchronously rotate, the elliptical plate 52 rotates to push the corresponding limiting rod 55 to synchronously move outwards along the transverse axial direction of the fixed block 54 through the batten 53, until the outer end of the limiting rod 55 and the pressure sensor 57 are simultaneously positioned below the limiting ring 56, the PLC controller 4 regulates and controls the motor 51 to stop operating, at the moment, the well lid 2 is in a closed state, when the well lid 2 is pulled or pried due to the failure of the related department, the personnel pries the well lid 2 upwards, the well lid 2 gives upward acting force to the elliptical plate 52, the batten 53, the fixed block 54, the limiting rod 55 and the pressure sensor 57, the pressure sensor 57 can be contacted with the bottom surface of the limiting ring 56, at the moment, because the pressure sensor 57 monitors the pressure in real time and synchronously transmits a detection signal to the PLC controller 4, the PLC controller 4 judges, when the pressure is greater than a set value, the PLC controller 4 immediately transmits the signal to an external terminal through the output end of the GPRS data transmitter 3 and synchronously regulates and controls the operation of the alarm 8, the alarm 8 generates sound and light so as to remind and warn illegal actions, and can timely give out early warning to a monitoring center when the well cover 2 is illegally opened, so that the reliability of the well cover 2 in daily use is greatly improved, the temperature sensor 6 and the smoke sensor 7 operate and monitor the temperature and smoke in a cable well in real time and detect the data, synchronize the detected data with the PLC controller 4, the PLC controller 4 judges regularly to replace the conventional manual inspection, so that the safety of the operation of a power grid is improved, protection box 9 and apron 10 cooperation set up the effect that plays safety protection to its inside electrical components, when well lid 2 need be opened in normal authorization, PLC controller 4 regulation and control motor 51 reversal, motor 51 output shaft clockwise rotation drives elliptical plate 52 and rotates in step, elliptical plate 52 rotates and pushes up the synchronous inboard removal of the horizontal axial direction of gag lever post 55 edge fixed block 54 that corresponds through slat 53, until make outside end and the pressure sensor 57 of gag lever post 55 be in the below of spacing ring 56 center round hole simultaneously, well lid 2 breaks away from the restriction and can freely open this moment, can authorize the well opening operation through the system according to live to normal constructor's request.

It is to be noted that the core chip of the PLC controller 4 disclosed in the above embodiments is a PLC single chip, the specific model is S7-200, the GPRS data transmitter 3, the alarm 8, the pressure sensor 57, the motor 51, the temperature sensor 6, and the flue gas sensor 7 may be freely configured according to the actual application scenario, the GPRS data transmitter 3 may be a GPRS data transmitter with a model of power DTU-DL6300, the alarm 8 may be an alarm with a model of BC-3A, the pressure sensor 57 may be a pressure sensor with a model of PT124G-3103, the motor 51 may be a motor with a model of 130M-09520C5-E, the temperature sensor 6 may be a temperature sensor with a model of FT-H20, the flue gas sensor 7 may be a flue gas sensor with a model of JTY-GW-BR710, and the PLC controller 4 controls the GPRS data transmitter 3, The alarm 8, pressure sensor 57, motor 51, temperature sensor 6 and smoke sensor 7 operate in the usual way in the prior art.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a cable shaft well lid early warning device which characterized in that: comprises a well seat (1) and an early warning unit (5);

well seat (1): an inner edge groove (11) is arranged on the upper end surface of the well seat, a well cover (2) is rotatably connected in a notch arranged on the inner arc surface of the inner edge groove (11) through a rotating shaft, a GPRS data transmitter (3) is arranged on the lower end surface of the well cover (2), and an alarm (8) is arranged on the edge of the lower end surface of the well seat (1);

early warning unit (5): the early warning unit (5) is fixedly connected with the upper end of the inner arc surface of the well base (1);

wherein: still include PLC controller (4), PLC controller (4) set up in the lower terminal surface of well lid (2), and PLC controller (4) are located the rear of GPRS data transmission ware (3), and external power source is connected to the input electricity of PLC controller (4), and GPRS data transmission ware (3) are connected with PLC controller (4) two-way electricity, and the output of PLC controller (4) is connected to the input electricity of siren (8).

2. The cable well lid early warning device of claim 1, wherein: early warning unit (5) include elliptical plate (52), slat (53), fixed block (54), gag lever post (55) and spacing ring (56), spacing ring (56) set up in the interior cambered surface upper end of well seat (1), and the lower terminal surface of well lid (2) is equipped with horizontal symmetric distribution's fixed block (54), and equal sliding connection has gag lever post (55) in the spout that two fixed block (54) middle parts set up, and the inboard end of gag lever post (55) all rotates through the pivot and is connected with slat (53), and two slats (53) all rotate through the corresponding end of pivot and elliptical plate (52) and are connected.

3. The cable well lid early warning device of claim 2, wherein: the early warning unit (5) further comprises a pressure sensor (57), the pressure sensor (57) is respectively arranged at the outer end of the limiting rod (55), and the output end of the pressure sensor (57) is electrically connected with the input end of the PLC (4).

4. The cable well lid early warning device of claim 2, wherein: early warning unit (5) still include motor (51), motor (51) pass through the mount pad and set up in the lower terminal surface middle part of well lid (2), the output shaft lower extreme of motor (51) and the up end center fixed connection of elliptical plate (52), the output of PLC controller (4) is connected to the input electricity of motor (51).

5. The cable well lid early warning device of claim 1, characterized in that: the lower terminal surface of well lid (2) is equipped with temperature sensor (6), and the input of PLC controller (4) is connected to the output electricity of temperature sensor (6).

6. The cable well lid early warning device of claim 5, wherein: the lower terminal surface of well lid (2) is equipped with flue gas sensor (7), and flue gas sensor (7) are located the rear of temperature sensor (6), and the input of PLC controller (4) is connected to the output electricity of flue gas sensor (7).

7. The cable well lid early warning device of claim 1, wherein: the lower terminal surface of well lid (2) is equipped with protection box (9), and there is apron (10) lower surface of protection box (9) through screwed connection, and GPRS data transmission ware (3) all are located the inner chamber of protection box (9) with PLC controller (4).