CN115799010A - Air switch control device - Google Patents

Abstract

The application relates to the field of transformer substation application equipment, in particular to an air switch control device. The air switch control device may specifically include a drive device and a control device. The driving device is arranged on the air switch and is connected with the disconnecting mechanism of the air switch; the control device is electrically connected with the driving device and is used for controlling the driving device so that the driving device drives the disconnecting mechanism to move. This device utilizes controlling means and drive arrangement's control cooperation for the testing process of transformer substation need not to set up the staff in air switch department, the staff by test control department or data control department corresponds output instruction to controlling means, this instruction is exported to drive arrangement through controlling means again, finally realize the control to air switch off opening mechanism by drive arrangement, so need not to consume unnecessary manpower, also can guarantee air switch's disconnection, guarantee testing process's safety, reduce the probability that circuit breaker tripping and closing coil burns out, and improve work efficiency.

Description

Air switch control device

Technical Field

The application relates to the field of transformer substation application equipment, in particular to an air switch control device.

Background

In the four-remote transmission work of a transformer substation, the switch transmission is an important work of secondary major, most of the work at the present stage is carried out by assigning a worker to be matched with an air switch of a control power supply, and once the switch is not successfully switched on and off, the control power supply is manually disconnected, so that a switch coil is prevented from being burnt. Although the mode can guarantee the operation safety, the working efficiency is low, more manpower is consumed, the cooperation is not easy, in addition, the situation that the manual cooperation is not timely often occurs due to noisy sites, and the operation risk is formed again. As can be seen from the above, there is a need to develop a more reliable control method without wasting manpower, so as to reduce the risk of the transformer substation during operation or testing.

Disclosure of Invention

In view of this, the application provides an air switch control device, when having solved or improved among the prior art and carrying out four teletransmission work in the transformer substation, most is through assigning a staff and in the cooperation of control power air switch department, in case the switch deciliter is unsuccessful, the manual work is with control power disconnection, prevent that the switch coil from burning out, this kind of mode can ensure the operation safety, but work efficiency is low, more manpower has been consumed, difficult cooperation, in addition because the scene is noisy, the untimely condition of manual fit often appears, form the technical problem of operation risk again.

According to an aspect of the present application, an embodiment of the present application provides an air switch control device, including: the driving device is arranged on the air switch and is connected with the disconnecting mechanism of the air switch;

the control device is electrically connected with the driving device and is used for controlling the driving device so that the driving device drives the disconnecting mechanism to move.

In one possible implementation manner of the present application, the driving device includes:

and the first end of the transmission rod is connected with the power output end of the driving motor, and the second end of the transmission rod is connected with the disconnecting mechanism.

In one possible implementation manner of the present application, the driving motor is a reduction motor.

In one possible implementation manner of the present application, the driving device further includes:

the first end of the contactor is connected with the second end of the transmission rod, and the second end of the contactor is connected with the disconnecting mechanism.

In one possible implementation manner of the present application, the control device includes:

the control signal input end is used for inputting a control signal;

the control signal receiving end is respectively in communication connection with the control signal input end and the driving device;

the control signal receiving end is used for transmitting the input signal to the control signal receiving end after receiving the input signal, and the control signal receiving end controls the driving device according to the input signal.

In a possible implementation manner of the present application, the control signal input end is a remote controller.

In a possible implementation manner of the present application, the control signal receiving end is a receiver.

In one possible implementation manner of the present application, the air switch control device further includes:

the mounting assembly is connected with the air switch and used for connecting the driving device on the air switch.

In one possible implementation manner of the present application, the mounting assembly includes:

a mounting housing on which the drive device is disposed;

the first surface of the magnet is fixedly connected with the mounting shell, and the second surface of the magnet is adsorbed on the air switch.

In one possible implementation of the present application, a plurality of the magnets are neodymium iron boron magnets.

Compared with the prior art, the air switch control device provided by the application at least has the following beneficial effects:

the air switch control device may specifically include the following structure: a driving device and a control device. The driving device is a device for directly providing a power source for the air switch control process, can be directly arranged on the air switch and also can be arranged at a position close to the air switch, but the driving output end of the driving device is connected with the disconnecting mechanism of the air switch, so that the driving device can reasonably drive the disconnecting mechanism of the air switch, and the disconnection operation of the air switch can be still performed without the help of manpower. The control device may be one or more devices such as a controller, a processor, a programmable logic controller, etc. which can realize the functions of instruction input, instruction output, logic editing, automatic control, etc. The control device is electrically or communicatively connected with the driving device and is used for controlling the driving device so that the driving device drives the disconnecting mechanism to move. The staff can input control instructions or control information and the like through the control device in the testing process or the working process, and the control device outputs instructions to the driving device, so that the driving device can carry out operations such as opening or closing of the air switch. Utilize controlling means and drive arrangement's control cooperation for the operation or the test procedure of transformer substation need not additionally to set up the staff in air switch department, correspond output instruction to controlling means by the staff of test control department or data control department, this instruction is exported to drive arrangement through controlling means again, finally realize the control to air switch off opening mechanism by drive arrangement, so need not to consume unnecessary manpower, also can guarantee air switch's disconnection, guarantee test procedure's safety, reduce the probability that circuit breaker tripping and closing coil burns out, and improve work efficiency.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally indicate like parts or steps.

Fig. 1 is a schematic structural diagram of an air switch control device according to an embodiment of the present disclosure.

Fig. 2 is a schematic structural diagram of an air switch control device according to another embodiment of the present application.

Fig. 3 is a schematic structural diagram of an air switch control device according to another embodiment of the present application.

Description of the reference numerals:

1. a disconnect mechanism;

10. a drive device; 11. a drive motor; 12. a transmission rod; 13. a contactor;

20. a control device; 21. a control signal input terminal; 211. a remote controller; 22. a control signal receiving end; 221. a receiver;

31. installing a shell; 32. and a magnet.

Detailed Description

In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. In the embodiment of the present application, all directional indicators (such as up, down, left, right, front, rear, top, bottom \8230;) are used only to explain the relative positional relationship between the components, the motion, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Summary of the application

The applicant carries out four teletransmission during operation at the transformer substation among the prior art, the majority is through assigning a staff and in the cooperation of control power air switch department, in case the switch deciliter is unsuccessful, the manual work is with control power disconnection, prevent that the circuit breaker coil from burning out, this kind of mode can ensure the operation safety, but work efficiency is low, more manpower has been consumed, difficult cooperation, in addition because the scene is noisy, the untimely condition of manual fit often appears, form the technical problem of operation risk again and why can produce the reason further analysis of this technical problem, learn:

the air switch is a device used for circuit protection, and the air switch can automatically break a circuit once a short-circuit accident occurs in the using process, and is called as the air switch because air is used as an arc extinguishing medium. The air switch inner structure utilizes the bending lever that touches of bimetallic strip thermal expansion, makes the circuit breaker dropout play the overload protection effect, has certain time difference during overload protection. When short circuit occurs, current flows through the induction coil to generate a strong magnetic field, and the lever is pushed to rapidly trip the circuit breaker.

During the working process of a transformer substation, an air switch is often needed to ensure the operation safety. The switch transmission at the present stage adopts alone to adjust test data for the relay protection tester, and another people is at air switch department at the protection screen back at any time ready and in time breaks off control air switch when the switch deciliter fails, and this kind of mode exists obvious inefficiency, difficult cooperation, extravagant manpower problem, and in addition, because manual operation's uncontrollable nature, two people cooperation is improper after the switch deciliter failure probably appears again, with the risk of circuit breaker coil burnout.

Therefore, the present application provides an air switch control device, wherein, this air switch control device specifically can include following structure:

a drive device 10 and a control device 20.

The driving device 10 is a device for directly providing a power source for an air switch control process, the driving device 10 can be directly arranged on the air switch, or can be arranged at a position close to the air switch, but the driving output end of the driving device 10 is connected with the disconnecting mechanism 1 of the air switch, so that the driving device 10 can reasonably drive the disconnecting mechanism 1 of the air switch, and the disconnection operation of the air switch can be still performed without the help of manpower.

The control device 20 may be one or more devices that can implement instruction input, instruction output, logic editing, automatic control, and the like, such as a controller, a processor, a programmable logic controller, and the like. The control device 20 is electrically or communicatively connected to the driving device 10, and the control device 20 is used to control the driving device 10 such that the driving device 10 moves the disconnecting mechanism 1. During a test or a work, a worker may input a control command, control information, or the like via the control device 20, and the control device 20 may output a command to the driving device 10, so that the driving device 10 performs an operation such as opening or closing of the air switch. Utilize the control cooperation of controlling means 20 and drive arrangement 10 for the operation or the test process of transformer substation need not additionally to set up the staff in air switch department, correspond output instruction to controlling means 20 by the staff of test control department or data control department, this instruction is exported to drive arrangement 10 through controlling means 20 again, finally realize the control to air switch break mechanism 1 by drive arrangement 10, so need not to consume unnecessary manpower, also can guarantee the disconnection of air switch, guarantee the safety of test process, reduce the probability that the circuit breaker coil burns out, and improve work efficiency.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Fig. 1 is a schematic structural diagram of an air switch control device according to an embodiment of the present disclosure. As shown in fig. 1, the air switch control device provided by the present application may specifically include the following mechanisms:

a drive device 10 and a control device 20.

The driving device 10 is a device for directly providing a power source for an air switch control process, and the driving device 10 may be directly disposed on the air switch, or may be disposed at a position close to the air switch, but the driving output end of the driving device 10 should be connected to the disconnecting mechanism 1 of the air switch, so as to ensure that the driving device 10 can reasonably drive the disconnecting mechanism 1 of the air switch, and thus, the disconnection operation at the beginning of air can still be performed without using manpower. The opening mechanism 1 may be a switch knob of an air switch.

The control device 20 may be one or more devices such as a controller, a processor, a programmable logic controller, etc. that can implement the functions of instruction input, instruction output, logic editing, automatic control, etc. The control device 20 is electrically or communicatively connected to the driving device 10, and the control device 20 is used to control the driving device 10 such that the driving device 10 moves the disconnecting mechanism 1. During a test or a work, a worker may input a control command, control information, or the like via the control device 20, and the control device 20 may output a command to the driving device 10, so that the driving device 10 performs an operation such as opening or closing of an air switch. Utilize the control cooperation of controlling means 20 and drive arrangement 10 for the operation or the test process of transformer substation need not additionally to set up the staff in air switch department, correspond output instruction to controlling means 20 by the staff of test control department or data control department, this instruction is exported to drive arrangement 10 through controlling means 20 again, finally realize the control to air switch disconnecting mechanism 1 by drive arrangement 10, so need not to consume unnecessary manpower, also can guarantee air switch's disconnection, guarantee the safety of test process, reduce the probability that circuit breaker tripping and closing coil burns out, and improve work efficiency.

In a possible implementation manner, fig. 2 is a schematic structural diagram of an air switch control device provided in another embodiment of the present application. As shown in fig. 2, the driving device 10 may include:

a drive motor 11 and a transmission rod 12.

The driving motor 11 is an electric motor that converts electric energy into mechanical energy or converts mechanical energy into electric energy, and the electric motor has a relatively movable member and operates by means of electromagnetic induction, and converts mechanical energy into electric energy. In the above-described implementation, the motor that provides the driving force to the opening mechanism 1 of the air switch is referred to as a driving motor.

The driving motor 11 is electrically connected or communicatively connected to the control device 20, and the driving motor 11 drives the opening mechanism 1 of the air switch to perform an opening or closing operation after receiving a control command output from the control device 20, thereby realizing an unmanned switching control.

The transmission rod 12 is a rod structure, a first end of the transmission rod 12 is connected to a power output end (such as an output shaft or a rotating shaft) of the driving motor 11, a second end of the transmission rod 12 is connected to the disconnecting mechanism 1 of the air switch, and the transmission rod 12 is used as a transmission device between the driving motor 11 and the disconnecting mechanism 1 to transmit the driving force generated by the driving motor 11 to the disconnecting mechanism 1.

It is understood that the transmission rod 12 can also be connected with the output shaft of the driving motor 11 through a nut block or the like, so as to convert the axial driving generated by the driving motor 11 into radial driving, thereby realizing the connection or disconnection of the disconnecting mechanism 1. Therefore, the disconnecting mechanism 1 can be remotely controlled by a worker, a specially-assigned person does not need to be arranged at the air switch, the risk can be reduced, and the normal operation of the air switch is ensured.

Specifically, in an embodiment of the present application, as shown in fig. 2, the driving motor 11 is preferably a speed reduction motor, such as an N20 micro speed reduction motor.

The reduction motor is an integrated body of a reduction gear and a motor (motor). The integrated body can also be called as a gear motor or a gear motor, the speed reducing motor has the advantages of simplifying the design and saving the space, and the air switch has smaller volume, so that the speed reducing motor can be more adaptive to the current application scene, and the air switch can not occupy more space while realizing the driving.

In addition, taking the Deleisi air switch as an example, the N20 miniature speed reducing motor has the characteristics of no generation of a large amount of carbon powder in the operation process, long-time continuous use, small volume, low noise, long service life and more accurate control.

In another possible implementation manner, as shown in fig. 2, the driving device 10 may further include:

a contactor 13.

The contact 13 may be a one-piece structure, a first end of the contact 13 is connected to the transmission rod 12, and a second end of the contact 13 is connected to the opening mechanism 1.

The contactor 13 can increase the contact area between the transmission rod 12 and the disconnecting mechanism 1, so that the driving force of the driving motor 11 can be more effectively transmitted to the disconnecting mechanism 1, the disconnecting mechanism 1 is effectively and reliably disconnected, and the risk that the air switch cannot be timely disconnected due to internal reasons is reduced.

It is worth mentioning that a connecting piece, such as a clip and other devices, can be arranged on the contactor 13, so that the contactor 13 is constantly connected with the disconnection handle, thus the contactor 13 can be ensured to effectively drive the disconnection handle to move in real time, and the control reliability of the air switch control device is further improved.

Optionally, in an embodiment of the present application, as shown in fig. 2, the control device 20 in the air switch control device provided by the present application may specifically include:

a control signal input terminal 21 and a control signal receiving terminal 22.

The control signal input terminal 21 is used for inputting a control signal, where the control signal is an operation signal input by a worker in advance or input by the worker in real time according to a current test scene, and includes but is not limited to opening an air switch, closing an air switch, and the like. The staff can input corresponding control signal according to the application needs to with the help of this control signal input device, need not to set up special messenger's nurse air switch in the course of the work of transformer substation, also can guarantee air switch's normal closure, raise the efficiency, use manpower sparingly.

The control signal receiving end 22 is in communication connection with the control signal input end 21 and the driving apparatus 10, respectively, on one hand, the control signal receiving end 22 receives the control signal output by the control signal output end, and on the other hand, the control signal receiving end 22 also outputs the received control signal to the driving apparatus 10.

It will be understood that the control signal input terminal 21 transmits the control signal to the control signal receiving terminal 22 after receiving the input signal, and the control signal receiving terminal 22 controls the driving device 10 according to the control signal. Utilize the control cooperation of control signal receiving arrangement and drive arrangement 10 for the operation or the test process of transformer substation need not additionally to set up the staff in air switch department, correspond output instruction to controlling means 20 by the staff of test control department or data control department, this instruction is exported to drive arrangement 10 through controlling means 20 again, finally realize the control to air switch break-off mechanism 1 by drive arrangement 10, so need not to consume unnecessary manpower, also can guarantee the disconnection of air switch, guarantee the safety of test process, reduce the probability that circuit breaker tripping and closing coil burns out, and improve work efficiency.

Specifically, in an embodiment of the present application, fig. 3 is a schematic structural diagram of an air switch control device according to another embodiment of the present application. As shown in fig. 3, the control signal input terminal 21 may be a remote controller 211, the remote controller 211 may be controlled by a worker at the test data, and the remote controller 211 may be provided with an air switch off key and/or an air switch on key.

The air switch disconnection key is used as an input port of a disconnection type control signal, when a worker needs to control the air switch to be disconnected emergently, the worker selects the air switch disconnection key, the remote controller 211 outputs a disconnection instruction to the control signal receiving terminal 22, the control signal receiving terminal 22 transmits the disconnection instruction to the driving motor 11, and the driving motor 11 drives the disconnection mechanism 1 of the air switch to be disconnected.

In addition, the air switch closing key is used as an input port of a closing type control signal, when a worker needs to control the air switch to be closed urgently, the worker selects the air switch closing key, the remote controller 211 outputs a closing instruction to the control signal receiving end 22, the control signal receiving end 22 transmits the closing instruction to the driving motor 11, the driving motor 11 rotates reversely, and then the opening mechanism 1 of the air switch can be driven to move reversely, so that the air switch is closed.

So make no matter be air switch's disconnection operation or air switch's closed operation, all can be through remote control 211 remote control, convenient and fast uses manpower sparingly.

Specifically, in another embodiment of the present application, as shown in fig. 3, the control signal receiving end 22 may be specifically a receiver 221. The receiver 221 may be connected to the air switch, or may be disposed near the air switch, and after receiving the control signal transmitted by the remote controller 211, the receiver 221 transmits the control signal to the driving motor 11, so that the driving motor 11 drives in a corresponding direction.

In one possible implementation manner, as shown in fig. 3, the air switch control device provided by the present application may further include:

and (6) mounting the assembly.

The mounting assembly is connected with the air switch, and the mounting assembly is used for connecting the driving device 10 to the air switch and supporting and fixing the driving device 10.

Specifically, in an embodiment of the present application, as shown in fig. 3, the mounting assembly may specifically include:

a mounting housing 31 and a plurality of magnets 32.

The mounting case 31 is used to mount the driving device 10 and/or the receiver 221 on the air switch, and is preferably made of a light material with high strength.

The number of magnets 32 may be four, and are evenly distributed on the side of the mounting housing 31 facing the protection screen control power supply air switch. The first face of specific every magnet 32 all with installation casing 31 fixed connection, the second face all adsorbs with air switch, realizes the installation on air switch of installation component and drive arrangement 10 and receiver 221 etc. from this, realizes through magnet 32 that can make the installation and the dismantlement of air switch controlling means assembly all more convenient, is convenient for install this device on different air switch as required, practices thrift the cost.

Optionally, in an embodiment of the present application, the magnet 32 is preferably a neodymium iron boron magnet 32.

The N52 type Nd-Fe-B magnet 32 has the advantages of strong magnetic force, long-term use, easy processing and capability of being manufactured into various shapes.

The specific implementation principle of the air switch control device provided by the application is as follows:

before the staff starts to test the transformer substation, the air switch control device is adsorbed on the air switch through the magnet 32, and meanwhile, the contactor 13 is connected with the air switch. In the testing process, if the situation that the air switch is not automatically disconnected occurs, a worker at the testing position can apply an air switch disconnection instruction through the remote controller 211, the remote controller 211 transmits the disconnection instruction to the receiver 221 after receiving the disconnection instruction, the receiver 221 transmits the disconnection instruction to the driving motor 11 after receiving the disconnection instruction, the driving motor 11 correspondingly rotates to drive the transmission rod 12 and the contactor 13 to move, the contactor 13 drives the disconnection handle to move, the air switch is timely disconnected, the possibility of burning of a tripping and closing coil of the breaker is reduced, and meanwhile the safety of the working process of the transformer substation is guaranteed.

In addition, after the fault is eliminated, the worker can remotely close the air switch, that is, when the worker needs to control the air switch to be closed urgently, the worker selects the air switch closing key, the remote controller 211 outputs a closing instruction to the control signal receiving end 22, the control signal receiving end 22 transmits the closing instruction to the driving motor 11, and the driving motor 11 rotates reversely, so that the opening mechanism 1 of the air switch can be driven to move reversely, and the air switch is closed.

So make no matter be air switch's disconnection operation or air switch's closed operation, all can be through remote control 211 remote control, convenient and fast uses manpower sparingly.

The block diagrams of devices, apparatuses, systems referred to in this application are only given as illustrative examples and are not intended to require or imply that the connections, arrangements, configurations, etc. must be made in the manner shown in the block diagrams. These devices, apparatuses, devices, systems may be connected, arranged, configured in any manner, as will be appreciated by those skilled in the art. Words such as "including," "comprising," "having," and the like are open-ended words that mean "including, but not limited to," and are used interchangeably therewith. The words "or" and "as used herein mean, and are used interchangeably with, the word" and/or, "unless the context clearly dictates otherwise. The word "such as" is used herein to mean, and is used interchangeably with, the phrase "such as but not limited to".

It should also be noted that in the devices, apparatuses, and methods of the present application, the components or steps may be decomposed and/or recombined. These decompositions and/or recombinations should be considered as equivalents of the present application.

The previous description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other aspects without departing from the scope of the application. Thus, the present application is not intended to be limited to the aspects shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. An air switch control device, comprising:

the driving device (10) is arranged on the air switch, and the driving device (10) is connected with a disconnecting mechanism (1) of the air switch;

the control device (20), the control device (20) is electrically connected with the driving device (10), and the control device (20) is used for controlling the driving device (10) so that the driving device (10) drives the disconnecting mechanism (1) to move.

2. The air switch control device according to claim 1, characterized in that the drive device (10) comprises:

the driving motor (11), the said driving motor (11) is connected electrically with the said controlling device (20);

the first end of the transmission rod (12) is connected with the power output end of the driving motor (11), and the second end of the transmission rod (12) is connected with the disconnecting mechanism (1).

3. The air switch control device according to claim 2, wherein the drive motor (11) is a reduction motor.

4. The air switch control device according to claim 2, characterized in that the drive device (10) further comprises:

a contactor (13), the first end of contactor (13) with the second end of transfer line (12) is connected, the second end of contactor (13) with disconnect-mechanism (1) is connected.

5. The air switch control device according to claim 1, characterized in that the control device (20) includes:

a control signal input (21), the control signal input (21) being used for inputting a control signal;

a control signal receiving end (22), wherein the control signal receiving end (22) is respectively in communication connection with the control signal input end (21) and the driving device (10);

the control signal input end (21) transmits an input signal to the control signal receiving end (22) after receiving the input signal, and the control signal receiving end (22) controls the driving device (10) according to the input signal.

6. Air switch control device according to claim 5, characterized in that the control signal input (21) is a remote control (211).

7. Air switch control device according to claim 5, characterized in that the control signal receiving terminal (22) is a receiver (221).

8. The air switch control device according to claim 1, characterized by further comprising:

a mounting assembly connected to the air switch for connecting the drive device (10) to the air switch.

9. The air switch control device of claim 8, wherein the mounting assembly comprises:

a mounting housing (31), on which mounting housing (31) the drive device (10) is arranged;

a plurality of magnet (32), a plurality of the first face of magnet (32) with installation casing (31) fixed connection, a plurality of the second face of magnet (32) adsorbs on the air switch.

10. An air switch control device according to claim 9, characterized in that several of said magnets (32) are neodymium iron boron magnets.

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