CN109638764B - Safe and reliable relay protection device - Google Patents
Safe and reliable relay protection device Download PDFInfo
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- CN109638764B CN109638764B CN201910052974.7A CN201910052974A CN109638764B CN 109638764 B CN109638764 B CN 109638764B CN 201910052974 A CN201910052974 A CN 201910052974A CN 109638764 B CN109638764 B CN 109638764B
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- main body
- motor
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- wiring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
Abstract
The invention relates to a safe and reliable relay protection device, which comprises a main body, a wiring mechanism, a protection mechanism and four supporting mechanisms, wherein the front surface of the main body is provided with a display screen and a plurality of operation keys, the protection mechanism comprises a driving component and two protection components, the protection components comprise a frame, a sleeve and a protection plate, the driving component comprises a first motor and two driving units, the wiring mechanism comprises a telescopic component, a wiring board and two hinge components, the telescopic component comprises a second motor, a bearing, a rotating shaft, a wire coil and a pull wire, the safe and reliable relay protection device enables the protection plate to shield the display screen and the operation keys through the protection mechanism to prevent the display screen from being damaged due to extrusion collision, not only can the wiring board be driven to rotate downwards through the wiring mechanism, the wiring board is rotated to the lower part of the main body after wiring is finished, and the internal short circuit of equipment caused by moisture of the, the safety and reliability of the device are further enhanced by protection against moisture.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a safe and reliable relay protection device.
Background
A relay protection device refers to an automatic measure and equipment that can send a warning signal to an operator on duty in time or directly send a trip command to a controlled breaker to terminate the development of events when a fault occurs in a power element (such as a generator, a line, etc.) in a power system or the power system itself, which endangers the safe operation of the power system. The relay protection device can realize the automation and remote operation of a power system and the automatic control of industrial production, such as automatic reclosing, automatic input of a standby power supply, remote control, remote measurement and the like.
Among the current relay protection device, the display screen, button and wiring hole are most concentrated and are distributed in the front of device, because a plurality of devices concentrate on the one side, not only make the distribution of device inseparable, when the operation, the condition of making mistakes of button or wiring mistake appears easily, and display screen and wiring hole directly expose the outside at equipment, the display screen receives external object extrusion easily, the collision damages, and wiring hole connecting device inner circuit, after intaking in the wiring hole, arouse equipment short circuit easily and damage, thereby current relay protection device's fail safe nature and practicality have been reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, a safe and reliable relay protection device is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a safe and reliable relay protection device comprises a main body, a wiring mechanism, a protection mechanism and four supporting mechanisms, wherein a PLC is arranged in the main body, a plurality of control keys are arranged on one side of the main body, a display screen and a plurality of operation keys are arranged on the front surface of the main body, the display screen, the operation keys and the control keys are all electrically connected with the PLC, the protection mechanism is arranged on the front surface of the main body, the wiring mechanism is arranged below the main body, and the four supporting mechanisms are respectively positioned at four corners below the main body;
the protection mechanism comprises a driving assembly and two protection assemblies, the two protection assemblies are respectively positioned on two sides of the driving assembly, each protection assembly comprises a frame, a sleeve and a protection plate, the frame is U-shaped, two ends of the frame are fixed on the main body, the sleeves are sleeved on the frame, the protection plates are fixedly connected with the sleeves, each driving assembly comprises a first motor and two driving units, the first motor is fixed on the main body and electrically connected with the PLC, the two driving units are respectively positioned on two sides of the first motor, the driving units correspond to the protection assemblies one by one, each driving unit comprises a translation unit, a driving block and a support rod, the first motor is in transmission connection with the driving block through the translation unit, and the driving block is hinged with the protection plates through the support rods;
wiring mechanism includes flexible subassembly, wiring board and two articulated subassemblies, and two articulated subassemblies are located the both ends of the top of wiring board respectively, flexible subassembly is located between two articulated subassemblies, be equipped with a plurality of wiring mouths on the wiring board, flexible subassembly includes second motor, bearing, pivot, drum and acting as go-between, the below at the main part is all fixed to second motor and bearing, the second motor is connected with the PLC electricity, the second motor is connected with the one end transmission of pivot, the other end setting of pivot is in the bearing, the drum cover is established in the pivot, the one end setting of acting as go-between is on the drum, the other end and the wiring board of acting as go-between are connected.
Preferably, in order to enable the driving block to translate, the translation unit comprises a screw rod and a buffer block, the first motor is in transmission connection with one end of the screw rod, the other end of the screw rod is arranged in the buffer block, the buffer block is fixed on the main body, the driving block is sleeved on the screw rod, and a thread matched with the screw rod is arranged at the connection position of the driving block and the screw rod.
Preferably, in order to facilitate rotation of the wiring board, the hinge assembly comprises a central rod, a connecting plate and two insertion pipes, the insertion pipes are fixedly connected with the wiring board, two ends of the central rod are respectively arranged in the two insertion pipes, and the central rod is fixedly connected with the main body through the connecting plate.
Preferably, in order to further enhance the moisture resistance of the wiring board, the wiring mechanism further comprises an isolation frame fixed below the main body, and the hinge assembly and the telescopic assembly are both positioned on the inner side of the isolation frame.
Preferably, in order to support the main body and facilitate movement of the equipment, the supporting mechanism comprises a sliding plate, a lifting unit, a universal wheel and two support legs, the support legs are fixed below the main body, the sliding plate is sleeved on the support legs, the lifting unit is located between the two support legs and is in transmission connection with the sliding plate, and the universal wheel is fixed below the sliding plate.
Preferably, in order to realize the lifting movement of the sliding plate, the lifting unit comprises an air cylinder, an air pump and a piston, the air cylinder is fixed between the two support legs, the air pump is electrically connected with the PLC, the air pump is communicated with the air cylinder, the top end of the piston is arranged in the air cylinder, and the bottom end of the piston is fixedly connected with the sliding plate.
Preferably, in order to limit the moving range of the sliding plate, the bottom ends of the legs are provided with supporting blocks.
Preferably, touch the display screen when inwards rotating for the guard plate, protection machanism still includes a plurality of spacing posts, spacing post level evenly distributed is in the below of display screen, spacing post and main part fixed connection.
Preferably, in order to facilitate the carrying of the equipment, a handle is arranged above the main body, and anti-skid grains are arranged on the handle.
Preferably, in order to secure the driving force of the first motor, the first motor is a dc servo motor.
The safe and reliable relay protection device has the advantages that the protection plate shields and protects the display screen and the operation keys through the protection mechanism, and the display screen is prevented from being damaged due to extrusion collision.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural diagram of a safe and reliable relay protection device according to the present invention;
fig. 2 is a top view of the safety relay protection device of the present invention;
FIG. 3 is a schematic structural diagram of a wiring mechanism of the safe and reliable relay protection device of the present invention;
fig. 4 is a schematic structural diagram of a supporting mechanism of the safe and reliable relay protection device of the present invention;
in the figure: 1. the main body, 2, a control key, 3, a display screen, 4, an operation key, 5, a frame, 6, a sleeve, 7, a protection plate, 8, a first motor, 9, a driving block, 10, a support rod, 11, a wiring board, 12, a wiring port, 13, a second motor, 14, a bearing, 15, a rotating shaft, 16, a wire coil, 17, a wire, 18, a screw rod, 19, a buffer block, 20, a center rod, 21, a connecting plate, 22, an insertion pipe, 23, an isolation frame, 24, a sliding plate, 25, a universal wheel, 26, a support leg, 27, an air cylinder, 28, an air pump, 29, a piston, 30, a support block, 31, a limiting column and 32, and a handle.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a safe and reliable relay protection device comprises a main body 1, a wiring mechanism, a protection mechanism and four support mechanisms, wherein a PLC is arranged in the main body 1, a plurality of control keys 2 are arranged on one side of the main body 1, a display screen 3 and a plurality of operation keys 4 are arranged on the front surface of the main body 1, the display screen 3, the operation keys 4 and the control keys 2 are all electrically connected with the PLC, the protection mechanism is arranged on the front surface of the main body 1, the wiring mechanism is arranged below the main body 1, and the four support mechanisms are respectively positioned at four corners below the main body 1;
in this relay protection device, utilize four supporting mechanism to support main part 1, the outside power signal line is conveniently connected by wiring mechanism in the below of main part 1, and the front of main part 1 is protected display screen 3 on main part 1 through protection mechanism, prevents that display screen 3 from receiving the extrusion collision and damaging, and one side of main part 1, accessible control button 2 operates protection mechanism, wiring mechanism and supporting mechanism and moves.
As shown in fig. 2, the guard mechanism includes a driving assembly and two guard assemblies, which are respectively located at both sides of the driving assembly, the guard assembly comprises a frame 5, a sleeve 6 and a guard plate 7, the frame 5 being U-shaped, the two ends of the frame 5 are fixed on the main body 1, the sleeve 6 is sleeved on the frame 5, the protection plate 7 is fixedly connected with the sleeve 6, the driving assembly comprises a first motor 8 and two driving units, the first motor 8 is fixed on the main body 1, the first motor 8 is electrically connected with the PLC, the two driving units are respectively positioned at two sides of the first motor 8, the driving units correspond to the protection components one by one, each driving unit comprises a translation unit, a driving block 9 and a support rod 10, the first motor 8 is in transmission connection with a driving block 9 through a translation unit, and the driving block 9 is hinged with the protection plate 7 through a support rod 10;
among the protection machanism, shelter from the place ahead at display screen 3 and operation button 4 by guard plate 7, protect display screen 3 and operation button 4, when the user needs to operate the user equipment, 2 operation protection machanism operations through the control button of main part 1 one side, start by the first motor 8 of PLC control, the translation unit through both sides drives the drive block 9 and removes, act on guard plate 7 through branch 10 when drive block 9 removes, make guard plate 7 rotate to the direction of keeping away from main part 1 under the supporting role of sleeve pipe 6 and frame 5, make display screen 3 and operation button 4 expose, convenient to use user.
As shown in fig. 3, wiring mechanism includes flexible subassembly, wiring board 11 and two articulated subassemblies, and two articulated subassemblies are located the both ends of the top of wiring board 11 respectively, flexible subassembly is located between two articulated subassemblies, be equipped with a plurality of wiring mouth 12 on the wiring board 11, flexible subassembly includes second motor 13, bearing 14, pivot 15, drum 16 and act as go-between 17, second motor 13 and bearing 14 are all fixed in the below of main part 1, second motor 13 is connected with the PLC electricity, second motor 13 is connected with the one end transmission of pivot 15, the other end setting of pivot 15 is in bearing 14, 16 covers of drum are established on pivot 15, the one end setting of acting as go-between 17 is on drum 16, the other end of acting as go-between 17 is connected with wiring board 11.
When needing the wiring, the user presses control button 2, PLC control second motor 13 starts, drive pivot 15 and rotate under bearing 14's supporting action, make drum 16 take place to rotate, thereby loosen and act as go-between 17, under the supporting action of articulated unit, wiring board 11 rotates downwards, make wiring mouth 12 just to the user, conveniently connect external signal line, after connecting the signal line, press control button 2 once more, PLC control second motor 13 starts, drive pivot 15 and rotate backward under bearing 14's supporting action, make drum 16 tighten up and act as go-between 17, and then drive wiring board 11 and upwards rotate, make wiring mouth 12 downwards, wiring board 11 is located the below of main part 1, avoid wiring mouth 12 to wet and arouse the inside short circuit of equipment.
Preferably, in order to enable the driving block 9 to translate, the translation unit includes a screw rod 18 and a buffer block 19, the first motor 8 is in transmission connection with one end of the screw rod 18, the other end of the screw rod 18 is arranged in the buffer block 19, the buffer block 19 is fixed on the main body 1, the driving block 9 is sleeved on the screw rod 18, and a thread matched with the screw rod 18 is arranged at a connection position of the driving block 9 and the screw rod 18. The first motor 8 is started to drive the screw rod 18 to rotate under the supporting action of the buffer block 19, the screw rod 18 acts on the driving block 9 through threads, and the screw rod 18 acts on the driving block 9 through threads, so that the driving block 9 moves along the axis of the screw rod 18.
Preferably, in order to facilitate the rotation of the terminal plate 11, the hinge assembly includes a central rod 20, a connecting plate 21 and two insertion tubes 22, the insertion tubes 22 are fixedly connected to the terminal plate 11, two ends of the central rod 20 are respectively disposed in the two insertion tubes 22, and the central rod 20 is fixedly connected to the main body 1 through the connecting plate 21. The position of the insertion tube 22 is fixed to the terminal block 11 so that the central rod 20 is rotatable about the axis of the insertion tube 22, and the relative rotation of the central rod 20 and the insertion tube 22, and thus the terminal block 11, is facilitated by the connection plate 21.
Preferably, in order to further enhance the moisture resistance of the wiring board 11, the wiring mechanism further includes a separation frame 23, the separation frame 23 is fixed below the main body 1, and the hinge assembly and the expansion assembly are both located inside the separation frame 23. When the wiring board 11 is rotated upwards, the connection board can be rotated to the inner side of the isolation frame 23, so that water is prevented from contacting the periphery of the wiring board 11 and entering the wiring port 12, and the moisture resistance is further enhanced.
As shown in fig. 4, the supporting mechanism includes a sliding plate 24, a lifting unit, a universal wheel 25 and two support legs 26, the support legs 26 are fixed below the main body 1, the sliding plate 24 is sleeved on the support legs 26, the lifting unit is located between the two support legs 26, the lifting unit is in transmission connection with the sliding plate 24, and the universal wheel 25 is fixed below the sliding plate 24.
In the supporting mechanism, by stabilizer blade 26 fixed support main part 1, when equipment needs to remove, in order to make things convenient for the removal, the user can press control button 2, operates the lift unit operation by PLC, drives slide 24 and moves down along stabilizer blade 26 to make the universal wheel 25 contact ground of slide 24 below, make things convenient for the equipment to remove.
Preferably, in order to realize the lifting movement of the sliding plate 24, the lifting unit comprises a cylinder 27, an air pump 28 and a piston 29, the cylinder 27 is fixed between the two support legs 26, the air pump 28 is electrically connected with the PLC, the air pump 28 is communicated with the cylinder 27, the top end of the piston 29 is arranged in the cylinder 27, and the bottom end of the piston 29 is fixedly connected with the sliding plate 24.
Preferably, the bottom ends of the legs 26 are provided with support blocks 30 in order to limit the range of movement of the slide plate 24. The range of movement of the slide plate 24 is limited by the support block 30, the slide plate 24 is prevented from being separated from the feet 26, and the contact area of the equipment and the ground is increased by the support block 30, so that the equipment is supported more stably.
Preferably, in order to prevent the protection plate 7 from touching the display screen 3 during inward rotation, the protection mechanism further comprises a plurality of limiting columns 31, the limiting columns 31 are horizontally and uniformly distributed below the display screen 3, and the limiting columns 31 are fixedly connected with the main body 1. The rotation range of the protection plate 7 in the rotation process of the main body 1 is limited through the limiting column 31, and the protection plate 7 is prevented from touching the display screen 3 to cause the damage of the display screen 3.
Preferably, a handle 32 is provided above the main body 1 for facilitating the transportation of the equipment, and the handle 32 is provided with anti-slip threads. The equipment can be directly lifted upwards for carrying through the handle 32, and the anti-skid lines on the handle 32 can increase the roughness of the surface of the handle 32, so that a user can firmly grasp the handle 32.
Preferably, the first motor 8 is a dc servo motor in order to ensure the driving force of the first motor 8 by utilizing the characteristic that the driving force of the dc servo motor is strong.
This relay protection device is when using, can drive wiring board 11 through flexible subassembly and rotate downwards, make wiring mouth 12 just to the user, convenient wiring, after the wiring finishes, wiring board 11 upwards rotates to main part 1's below, thereby avoid wiring mouth 12 to wet and cause the inside short circuit of equipment to damage, after finishing using, first motor 8 accessible translation unit drives drive block 9 and is close to the removal to first motor 8, it is close to the removal to main part 1 through branch 10 pulling guard plate 7, make guard plate 7 keep off in the place ahead of display screen 3 and operation button 4, protect display screen 3, prevent that display screen 3 from receiving the extrusion collision and damaging, the fail safe nature of this equipment has further been strengthened through protection display screen 3 and wiring mouth 12.
Compared with the prior art, this safe and reliable's relay protection device makes guard plate 7 shelter from the protection to display screen 3 and operation button 4 through protection mechanism, prevent that display screen 3 from receiving the extrusion collision and damaging, compare with current protection mechanism, this protection mechanism structure is nimble, safety and reliability, moreover, can drive wiring board 11 through wiring mechanism and rotate downwards, after finishing the wiring with wiring board 11 rotate to main part 1's below, prevent that wiring mouth 12 from weing and leading to the inside short circuit of equipment and damaging, the fail safe nature of this equipment has further been strengthened through dampproofing, compare with current wiring mechanism, this wiring mechanism moves reliable and stable.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The safe and reliable relay protection device is characterized by comprising a main body (1), a wiring mechanism, a protection mechanism and four supporting mechanisms, wherein a PLC is arranged in the main body (1), a plurality of control keys (2) are arranged on one side of the main body (1), a display screen (3) and a plurality of operation keys (4) are arranged on the front surface of the main body (1), the display screen (3), the operation keys (4) and the control keys (2) are electrically connected with the PLC, the protection mechanism is arranged on the front surface of the main body (1), the wiring mechanism is arranged below the main body (1), and the four supporting mechanisms are respectively positioned at four corners below the main body (1);
the protection mechanism comprises a driving assembly and two protection assemblies, wherein the two protection assemblies are respectively positioned on two sides of the driving assembly, each protection assembly comprises a frame (5), a sleeve (6) and a protection plate (7), the frame (5) is U-shaped, two ends of the frame (5) are fixed on a main body (1), the sleeve (6) is sleeved on the frame (5), the protection plates (7) are fixedly connected with the sleeve (6), the driving assembly comprises a first motor (8) and two driving units, the first motor (8) is fixed on the main body (1), the first motor (8) is electrically connected with a PLC (programmable logic controller), the two driving units are respectively positioned on two sides of the first motor (8), the driving units correspond to the protection assemblies one to one, the driving units comprise translation units, driving blocks (9) and supporting rods (10), the first motor (8) is in transmission connection with the driving blocks (9) through the translation units, the driving block (9) is hinged with the protection plate (7) through a support rod (10);
the wiring mechanism comprises a telescopic component, a wiring board (11) and two hinge components, the two hinge components are respectively positioned at two ends above the wiring board (11), the telescopic component is positioned between the two hinged components, the wiring board (11) is provided with a plurality of wiring ports (12), the telescopic component comprises a second motor (13), a bearing (14), a rotating shaft (15), a wire coil (16) and a pull wire (17), the second motor (13) and the bearing (14) are both fixed below the main body (1), the second motor (13) is electrically connected with the PLC, the second motor (13) is in transmission connection with one end of the rotating shaft (15), the other end of the rotating shaft (15) is arranged in the bearing (14), the wire coil (16) is sleeved on the rotating shaft (15), one end of the stay wire (17) is arranged on the wire coil (16), and the other end of the stay wire (17) is connected with the wiring board (11).
2. The safe and reliable relay protection device according to claim 1, wherein the translation unit includes a screw rod (18) and a buffer block (19), the first motor (8) is in transmission connection with one end of the screw rod (18), the other end of the screw rod (18) is disposed in the buffer block (19), the buffer block (19) is fixed on the main body (1), the driving block (9) is sleeved on the screw rod (18), and a connection portion of the driving block (9) and the screw rod (18) is provided with a thread matching with the screw rod (18).
3. The safe and reliable relay protection device according to claim 1, wherein the hinge assembly comprises a central rod (20), a connecting plate (21) and two insertion tubes (22), the insertion tubes (22) are fixedly connected with the terminal plate (11), two ends of the central rod (20) are respectively arranged in the two insertion tubes (22), and the central rod (20) is fixedly connected with the main body (1) through the connecting plate (21).
4. The safe and reliable relay protection device according to claim 1, wherein the wiring mechanism further comprises a separation frame (23), the separation frame (23) is fixed under the main body (1), and the hinge assembly and the telescopic assembly are both located inside the separation frame (23).
5. The safe and reliable relay protection device according to claim 1, wherein the supporting mechanism comprises a sliding plate (24), a lifting unit, a universal wheel (25) and two supporting legs (26), the supporting legs (26) are fixed below the main body (1), the sliding plate (24) is sleeved on the supporting legs (26), the lifting unit is located between the two supporting legs (26), the lifting unit is in transmission connection with the sliding plate (24), and the universal wheel (25) is fixed below the sliding plate (24).
6. The safe and reliable relay protection device according to claim 5, wherein the lifting unit comprises a cylinder (27), an air pump (28) and a piston (29), the cylinder (27) is fixed between the two legs (26), the air pump (28) is electrically connected with the PLC, the air pump (28) is communicated with the cylinder (27), the top end of the piston (29) is arranged in the cylinder (27), and the bottom end of the piston (29) is fixedly connected with the sliding plate (24).
7. Safety relay protection device according to claim 5, wherein said legs (26) are provided with support blocks (30) at their lower ends.
8. The safe and reliable relay protection device according to claim 1, wherein the protection mechanism further comprises a plurality of limiting columns (31), the limiting columns (31) are horizontally and uniformly distributed below the display screen (3), and the limiting columns (31) are fixedly connected with the main body (1).
9. The safe and reliable relay protection device according to claim 1, wherein a handle (32) is provided above the main body (1), and the handle (32) is provided with anti-slip patterns.
10. A safe and reliable relaying protection device according to claim 1, wherein said first motor (8) is a dc servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052974.7A CN109638764B (en) | 2019-01-21 | 2019-01-21 | Safe and reliable relay protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910052974.7A CN109638764B (en) | 2019-01-21 | 2019-01-21 | Safe and reliable relay protection device |
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| Publication Number | Publication Date |
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| CN109638764A CN109638764A (en) | 2019-04-16 |
| CN109638764B true CN109638764B (en) | 2020-04-21 |
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| CN201910052974.7A Active CN109638764B (en) | 2019-01-21 | 2019-01-21 | Safe and reliable relay protection device |
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Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108872655B (en) * | 2018-06-26 | 2020-11-10 | 浙江星皓科技股份有限公司 | Electric power instrument with protect function |
| CN108957082A (en) * | 2018-06-27 | 2018-12-07 | 南安市耶郞新材料科技有限公司 | A kind of oscillograph convenient for observation and operation with defencive function |
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Effective date of registration: 20220923 Address after: 030000 No. 1424, floor 14, building 1, Changxing Road, Wanbailin District, Taiyuan City, Shanxi Province Patentee after: Shanxi Baiyun Intelligent Power Co.,Ltd. Address before: Room 1203, 12th Floor, Building 6, No. 28, Senyuan South Street, Jiancaoping District, Taiyuan City, Shanxi Province 030000 Patentee before: Shanxi watland Technology Co.,Ltd. |
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