CN103001132A - Intelligent grounding wire management device - Google Patents

Abstract

The invention discloses an intelligent ground wire management device, which includes a storage rack, the storage rack includes a base and a storage board perpendicular to the ground for storing ground wires, the storage board is installed on the upper part of the base through a bracket, and the front side of the storage board is Several hooks are provided; the storage rack is also provided with a detection mechanism, a display module, an alarm module and a control module, the output end of the detection mechanism is connected with the input end of the control module, and the output end of the control module is respectively connected with the display module and the alarm module. The modules are connected; the detection mechanism corresponds to the hook and is controlled by the hook. The invention can effectively monitor the number and number of grounding wires before and after maintenance personnel work, thereby ensuring that there is no grounding wire when each power equipment in the power system is put into operation, and ensuring the personal safety and equipment safety of on-site maintenance personnel in substations.

Description

Intelligent Grounding Wire Management Device

technical field

The invention relates to auxiliary equipment for power system operation, in particular to a grounding wire management device used in a substation.

Background technique

In the operation ticket workflow in the power system, dispatchers are required to conduct actual operations on the substations under their jurisdiction. During the operation process, the operator and the guardian need to arrive at the scene at the same time, and one person operates and the other supervises. With the implementation of unattended station management in each substation, all operating instruments are placed in the base station. When the substation has maintenance work, the operator will carry the required instruments to the substation for use. The grounding wire in the operating equipment is one of the appliances that the operator must use in the daily maintenance process. However, since there is no special storage facility for the grounding wire on the job site, the grounding wire is placed everywhere and it is inconvenient to take it when using it; After the maintenance work is completed, there will still be a phenomenon that the maintenance personnel neglect to remove the ground wire, which will cause the power equipment in the power system to transmit power with the ground wire, causing a great potential safety hazard.

Contents of the invention

The technical problem to be solved by the present invention is to provide a grounding wire management device capable of monitoring the use of the grounding wire and ensuring the safety of maintenance personnel and equipment.

In order to solve the above-mentioned technical problems, the technical scheme adopted in the present invention is as follows.

The intelligent grounding wire management device includes a storage rack for temporarily storing the grounding wire. The storage rack includes a base and a storage board perpendicular to the ground for storing the grounding wire. The storage board is installed on the upper part of the base through a bracket. There are several hooks for hanging the grounding wire on the front; the storage rack is also equipped with a detection mechanism for detecting whether the grounding wire is suspended, a display module for displaying the use status of the grounding wire, and an alarm for incomplete recovery of the grounding wire. An alarm module and a control module for issuing an alarm control command, the output end of the detection mechanism is connected to the input end of the control module, and the output end of the control module is respectively connected to the display module and the alarm module; the detection mechanism is connected to the Hooks correspond to and are controlled by hooks.

The specific structure of the detection mechanism is: the detection mechanism is arranged on the back of the storage board at a position corresponding to the end of the hook handle, and the detection mechanism is a displacement sensor for monitoring the position change of the end of the hook or/and for detecting the position of the hook end. A torque sensor in a stressed state; when the detection mechanism is a displacement sensor, a spring for resetting the hook is provided between the handle of the hook and the through hole of the storage plate for passing through the handle.

The specific structure of the display module is as follows: the display module includes a display screen arranged on the front of the storage board and digital tubes respectively located above each hook.

The specific structure of the alarm module is as follows: the alarm module includes a voice alarm arranged on the front of the storage board or/and indicator lights corresponding to the hooks located above the nixie tubes.

The specific structure of the control module is: the control module includes an industrial control single-board computer, the input end of the industrial control single-board computer is connected to the signal end of the displacement sensor and the torque sensor, and the output end of the industrial control single-board computer is respectively connected to the Display screen, digital tube, voice alarm and indicator lights are connected.

Owing to adopting above-mentioned technical scheme, the technological progress that the present invention obtains is as follows.

The invention can effectively monitor the quantity and serial number of the grounding wires before and after the operation of the maintenance personnel. When the operation is completed and the grounding wires are not fully retracted, the alarm bell corresponding to the number of the grounding wires will start to alarm to remind the operators that there are still grounding wires that have not been retracted. , until the grounding wire is retracted and hung in the corresponding position, the alarm is eliminated, thus ensuring that there is no grounding wire when the power equipment in the power system is put into operation, and ensuring the personal safety and equipment safety of the on-site maintenance personnel of the substation.

The storage rack in the present invention is used to store grounding wires. The storage rack adopts a combined structure of a base and a storage board. On the basis of ensuring that the maintenance personnel can take and place and observe conveniently, it is used for the installation of the detection mechanism, the display module, the alarm module and the control module. provides the basis.

When the detection mechanism adopts a torque sensor, it can judge whether there is a ground wire hanging according to the force state of the hook handle. Pass it to the control module; when there is no ground wire on the hook, the torque sensor cannot detect the torque signal, and the control module can judge that there is no ground wire suspended on the hook. The detection mechanism can also use a displacement sensor to detect the position of the hook that hangs the grounding wire. When the hook is suspended with a grounding wire, the hook moves down under the action of the gravity of the grounding wire, and the displacement sensor detects the downward displacement and transmits it to the control. module, it can be judged that there is a ground wire hanging on the hook; when there is no ground wire on the hook, the handle of the hook will reset the hook handle under the action of the reset spring, and the displacement sensor cannot detect the displacement signal, and the control module can Judging that there is no ground wire hanging from the hook.

The display screen of the display module is used to display information such as how many grounding wires are prepared on the entire storage board before the maintenance work starts, how many grounding wires are in use after the maintenance work starts, and how many grounding wires are recovered after the maintenance work is completed; of course Information such as the temperature and humidity of the storage environment of the ground wire can also be displayed on the display screen. The digital tube of the display module is used to display the serial number of the grounding wire hung by the corresponding hook, so that the maintenance personnel can quickly find the corresponding grounding wire during the operation.

The voice alarm in the alarm module is used to broadcast other grounding wires that have not been retracted when the first grounding wire is retracted, so as to ensure that maintenance personnel retract all the grounding wires. The indicator light in the alarm module is used to indicate whether the grounding wire on the corresponding hook is retracted. When the grounding wire is not retracted after use, the indicator light will always be on to remind the maintenance personnel that the grounding wire on the hook is not retracted.

The industrial control single-board computer of the control module is used to judge the use and retraction of the grounding wire according to the information detected by the displacement sensor and the torque sensor, and to control the display status of the display screen, digital tube, voice alarm and indicator light in real time .

Description of drawings

Fig. 1 is a control circuit block diagram of the present invention.

Fig. 2 is a schematic structural diagram of a temporary storage rack for grounding wires of the present invention.

FIG. 3 is a side view of FIG. 2 .

FIG. 4 is a partially enlarged view of FIG. 3 .

Among them: 1. Storage rack, 11. Base, 12. Bracket, 13. Storage board, 14. Hook, 141. Hanging handle, 2. Detection mechanism, 21. Spring, 22. Displacement sensor, 23. Torque sensor, 3. Display module, 31. display screen, 32. digital tube, 4. alarm module, 41. voice alarm, 42. indicator light, 5. control module, 51. industrial control single board computer.

Detailed ways

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

The intelligent ground wire management device includes a storage rack 1 , a detection mechanism 2 , a display module 3 , an alarm module 4 and a control module 5 . The detection mechanism 2, the display module 3, the alarm module 4 and the control module 5 are all installed on the storage rack; the storage rack 1 is used to temporarily store the grounding wire; the detection mechanism 2 is used to detect whether the grounding wire Real-time transmission to the control module; the display module is used to display the use status of the grounding wire according to the instructions of the control module; the alarm module is used to send an alarm when the grounding wire is not fully recovered according to the instructions of the control module, and remind maintenance personnel to take back the used grounding wire in time.

The structure of the storage rack 1 is shown in FIG. 2 , including a base 11 and a storage board 13 , the storage board 13 is fixedly connected to the base through a bracket 12 , and the storage board is arranged perpendicular to the ground. In this embodiment, the front of the storage board 13 is provided with two rows of twenty hooks 14 for hanging the ground wire. The part of the storage board where the hook is arranged is provided with a through hole, and the handle 141 of the hook extends out of the back of the storage board after passing through the through hole.

The detection mechanism 2 is used to detect whether a grounding wire is attached to the hook, and may be a displacement sensor 22 or a torque sensor 23, or a combination of both. In the present embodiment, the detection mechanism only adopts displacement sensors, and the displacement sensors are fixedly arranged at the positions corresponding to the ends of the hook 14 handles on the back side of the storage plate 13, and are used to monitor changes in the positions of the end parts of the hooks. A spring 21 is arranged between the through holes for resetting the hook when the grounding wire leaves the hook. The installation position of the detection mechanism is shown in Figure 3 and Figure 4.

As shown in FIG. 2 , the display module 3 includes a display screen 31 and twenty digital tubes 32 . The display screen 31 is installed on the upper left corner of the storage board, which is convenient for maintenance personnel to observe; in this embodiment, the display screen is mainly used to display the number of grounding wires on the entire storage board before the maintenance work begins, and the grounding wire used in the process of the maintenance work. The number of wires, and the number of ground wires recovered after the maintenance work is completed. The nixie tubes are also installed on the front of the storage board, respectively above the twenty hooks, and are used to display the numbers of the ground wires suspended by the corresponding hooks.

The alarm module 4 includes a voice alarm 41 and twenty indicator lights 42 . The voice alarm 41 is installed on the upper right corner of the storage board, and is used to broadcast other unretracted ground wires when the first ground wire is retracted, so as to ensure that maintenance personnel retract all the ground wires. Indicator lamps are also installed on the front of the storage board, above the twenty nixie tubes respectively, for indicating the status of the grounding wires suspended by the corresponding hooks.

The control module 5 is installed on the back upper part of the storage board, and mainly includes an industrial control single-board computer 51 and a signal processing circuit. The input end of the industrial control single-board computer 51 is connected to the signal end of the displacement sensor 22 and the torque sensor 23, and the output end of the industrial control single-board computer 51 is connected with the display screen 31, the nixie tube 32, the voice alarm 41 and the indicator light 42 respectively; It is used to collect the situation of the hook hanging the ground wire, and judge according to the collected signal and issue instructions and alarm instructions. The block diagram of the control circuit of the present invention is shown in FIG. 1 .

The working principle of the present invention is as follows.

When the maintenance personnel arrive at the substation with the work ticket and the grounding wire, hang the grounding wire to be used on the hook of the storage plate according to the number; at this time, the displacement sensor detects the downward displacement of the hanging handle of the hook and transmits the signal to The signal processing circuit of the control module performs signal processing, and the processed signal is transmitted to the industrial control single-board computer for analysis and judgment. When the industrial control single-board computer judges that there is a ground wire connected to the hook, it sends an Display instructions and display the number of the grounding wire; when all the grounding wires are suspended, the number of grounding wires in the preparation work for this operation will be displayed on the display screen, and the preparation work is completed.

When starting the maintenance work, the maintenance personnel remove the grounding wires from the hook one by one. At this time, the handle of the hook is reset under the action of the return spring, and the displacement of the handle detected by the displacement sensor is zero, and the signal is transmitted to the signal of the control module. The processing circuit performs signal processing, and the processed signal is transmitted to the industrial control single-board computer for analysis and judgment. The industrial control single-board computer judges that the ground wire on the hook has been removed, and displays the number of ground wires used during the operation through the display screen; At the same time, the industrial control single board machine sends a lighting instruction to the indicator light corresponding to the hook, indicating that the ground wire of the hook has entered the working state and is waiting to be retracted.

After the maintenance work is completed, the maintenance personnel will hang the grounding wires on the corresponding hooks one by one according to the number of the grounding wires. After the displacement sensor receives the signal, it will be transmitted to the industrial control single-board computer. The situation is displayed on the display screen, that is, the number of ground wires used in the operation process is decremented and displayed until the number of ground wires used in the operation process is displayed as zero; at the same time, the industrial control single board will turn to the indicator light corresponding to the hook A close command is issued, stating that the ground wire of the hitch has been retracted.

In the process of retracting the grounding wire, since the first grounding wire is retracted, if the indicator light is still on after a certain period of time, it means that the grounding wire on the hook corresponding to the indicator light has not been retracted. Then send an instruction to the voice alarm to perform voice broadcast, and the broadcast content includes the number of the grounding wire, etc., until the grounding wire is withdrawn, the industrial control single-board computer controls the voice alarm to stop the alarm.

Claims (5)

1. the smart grounding spool is managed device, it is characterized in that: comprise for the storage rack of depositing earth connection (1) temporarily, described storage rack (1) comprises base (11) and is used for depositing the storing board (13) of earth connection perpendicular to ground, storing board (13) is installed in base (11) top by support (12), and the front of described storing board (13) is provided with several hooks (14) that is used for hanging earth connection; Also be provided with the testing agency (2) of whether hanging for detection of earth connection, the display module (3) that is used for showing earth connection use state on the storage rack (1), reclaim the not full-time alarm module that gives the alarm (4) and be used for sending the control module (5) of controlling alarm instruction for working as earth connection, the output of described testing agency (2) is connected with the input of control module (5), and the output of control module (5) is connected 4 with display module (3) with alarm module respectively) be connected; Described testing agency (2) corresponding with described hook (14) and by the hook (14) control.

2. smart grounding spool according to claim 1 is managed device, it is characterized in that: described testing agency (2) is arranged on the corresponding position in the back side and hook (14) hanging handle end of storing board (13), and testing agency is used for the displacement transducer (22) of monitoring hook end position variation or/and for detection of the torque sensor (23) of linking up with stress; When described testing agency was displacement transducer, the hanging handle of hook and storing board were for the spring (21) that is provided with between the through hole that passes hanging handle be used to the hook that resets.

3. smart grounding spool according to claim 2 is managed device, it is characterized in that: described display module (3) comprises the charactron (32) that is arranged on the positive display screen (31) of storing board (13) and lays respectively at each hook (14) top.

4. smart grounding spool according to claim 3 is managed device, it is characterized in that: described alarm module (4) comprises the phonetic alarm (41) that is arranged on storing board (13) front or/and lay respectively at each charactron top and hook corresponding indicator light (42).

5. smart grounding spool according to claim 4 is managed device, it is characterized in that: described control module (5) comprises Industry Control single board computer (51), the input connection bit displacement sensor (22) of described Industry Control single board computer (51) and the signal end of torque sensor (23), the output of Industry Control single board computer (51) are connected with display screen (31), charactron (32), phonetic alarm (41) and indicator light (42) respectively.

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