CN113597170B - Protective device for electric automation control and working method thereof - Google Patents
Protective device for electric automation control and working method thereof Download PDFInfo
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- CN113597170B CN113597170B CN202110883351.1A CN202110883351A CN113597170B CN 113597170 B CN113597170 B CN 113597170B CN 202110883351 A CN202110883351 A CN 202110883351A CN 113597170 B CN113597170 B CN 113597170B
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- 230000001681 protective effect Effects 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title abstract description 8
- 238000013016 damping Methods 0.000 claims description 72
- 230000007246 mechanism Effects 0.000 claims description 37
- 230000000712 assembly Effects 0.000 claims description 21
- 238000000429 assembly Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 230000005484 gravity Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 239000003673 groundwater Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 239000002689 soil Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000002633 protecting effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 claims description 2
- 238000011017 operating method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1417—Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
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Abstract
The invention provides a protective device for electrical automation control and a working method thereof, belonging to the technical field of electrical equipment, wherein the protective device for electrical automation control comprises an electrical cabinet, wherein the lower inner wall of the electrical cabinet is fixedly connected with a storage battery; anticreep device, anticreep device includes two centre gripping slide bars, two sets of sliding assembly and two sets of centre gripping subassemblies, wherein, every sliding assembly of group all includes the mounting panel, link block, push cylinder and two catch bars, mounting panel fixed connection is in a lateral wall of regulator cubicle, push cylinder fixed connection is in a side of mounting panel, and push cylinder's thin pole activity runs through the opposite side of mounting panel, the positive negative pole separation of cable and battery is passed through to the grip block in this device, can prevent that the electric leakage phenomenon from appearing in the battery, influence maintenance personal and overhaul the circuit in the regulator cubicle, still contained simultaneously rain-proofly, flood control, prevent functions such as collapse and heat protection, make the protective effect of regulator cubicle better.
Description
Technical Field
The invention belongs to the technical field of electrical equipment, and particularly relates to a protective device for electrical automation control and a working method thereof.
Background
Electrical equipment is a general term for equipment such as generators, transformers, power lines, and circuit breakers in power systems. The electric equipment consists of a power supply and electric equipment. The power supply comprises a storage battery, a generator and a regulator thereof. The electric equipment includes a starting system of the engine, lighting, signals, meters, and the like of the automobile, and the forced ignition engine also includes an ignition system of the engine.
The regulator cubicle is generally installed in the open air, and the condition that easily appears the circuit ageing takes place in the exposure to the sun of open-air wind, appears the condition such as electric leakage, causes inconvenience for subsequent use and maintenance.
Disclosure of Invention
The invention aims to provide a protective device for electrical automation control and a working method thereof, and aims to solve the problems that an electrical cabinet in the prior art is generally installed outdoors, the circuit is easy to age when being exposed to wind and sunlight in the field, the electric leakage occurs, and the subsequent use and maintenance are inconvenient.
In order to achieve the purpose, the invention provides the following technical scheme:
a guard for electrical automation control, comprising:
the lower inner wall of the electric cabinet is fixedly connected with a storage battery;
the anticreep device comprises two clamping slide bars, two groups of sliding components and two groups of clamping components, wherein,
each group of sliding assemblies comprises a mounting plate, a connecting sliding block, a pushing cylinder and two pushing rods, the two mounting plates are fixedly connected to the left inner wall and the right inner wall of the electric cabinet respectively, the pushing cylinder is fixedly connected to one side end of the mounting plate, a thin rod of the pushing cylinder movably penetrates through the other side end of the mounting plate, the two pushing rods are fixedly connected between one side end of the mounting plate and the rear inner wall of the electric cabinet, the connecting sliding block is slidably connected to the circumferential surfaces of the two pushing rods, and the connecting sliding block is fixedly connected with the thin rod of the pushing cylinder; the two clamping sliding rods are fixedly connected between the two connecting sliding blocks; each group of clamping assemblies comprises an air cylinder mounting frame, a clamping plate, a pulling motor, a clamping air cylinder, a clamping block and a clamping groove, the clamping plate is connected to the circumferential surfaces of the two clamping slide bars in a sliding mode, the pulling motor is fixedly connected to the upper end of the clamping plate, the clamping groove is formed in the side end of the clamping plate, the air cylinder mounting frame is connected into the clamping groove in a sliding mode, the clamping air cylinder is fixedly connected to the lower end of the air cylinder mounting frame, and the clamping block is fixed to a thin rod of the clamping air cylinder; and
and the waterproof mechanism is connected with the electrical cabinet to realize the waterproof and collapse prevention of the electrical cabinet.
As a preferred scheme of the invention, the waterproof mechanism comprises a lifting plate, two groups of lifting assemblies and two groups of first limiting assemblies, the lifting plate is fixedly connected to the lower end of the electrical cabinet, each group of lifting assemblies comprises a lifting motor, a lifting mounting block, a conical plate, a lifting screw rod, two lifting screw rod nuts and two lifting rods, the lifting mounting block is arranged below the lifting plate, the upper end and the side end of the lifting mounting block are both provided with openings, the lifting screw rod is rotatably connected between two side walls of the lifting mounting block, the two lifting screw rod nuts are both in threaded connection with the circumferential surface of the lifting screw rod, the two lifting rods are respectively and movably hinged to the upper ends of the two lifting screw rod nuts, the conical plate is movably hinged to the side ends of the two lifting screw rod nuts through two connecting rods, the lifting motor is fixedly connected to the side end of the lifting mounting block, and the output end of the lifting motor is fixed to the side end of the lifting screw rod.
As a preferred scheme of the invention, a rainproof mechanism is arranged at the upper end of the electrical cabinet, the rainproof mechanism comprises a top plate, a rainproof screw rod, two rainproof plates, two rainproof screw rod nuts, a rainproof motor, a second limiting assembly and four rainproof rods, the top plate is fixedly connected to the upper end of the electrical cabinet, the rainproof motor is fixedly connected to the side wall of the top plate, the rainproof screw rod is fixedly connected to the output end of the rainproof motor, the two rainproof screw rod nuts are both in threaded connection with the circumferential surface of the rainproof screw rod, the four rainproof rods are respectively and movably hinged to two side ends of the two rainproof screw rod nuts, and the two rainproof plates are respectively and movably hinged to side ends of the four rainproof rods.
As a preferred scheme of the invention, two groups of protection mechanisms and three groups of protection mechanisms are arranged on the surface of the electrical cabinet, the two groups of protection mechanisms and the three groups of protection mechanisms are matched to realize protection of the electrical cabinet, each group of protection mechanisms comprises a protection plate and two groups of damping components, each group of damping components comprises two damping sliding blocks, a limiting rod, a damping groove, two damping springs and two damping rods, the damping groove is formed in the side end of the electrical cabinet, the two damping sliding blocks are connected in the damping groove in a sliding manner, the two damping springs are respectively and fixedly connected to the upper inner wall and the lower inner wall of the damping groove, the two damping springs are respectively and fixedly connected with the far ends of the two damping sliding blocks, the two damping rods are respectively and movably hinged to the side ends of the two damping sliding blocks, the limiting rod is fixedly connected between the upper inner wall and the lower inner wall of the damping groove, and the two damping sliding blocks are respectively and slidably connected to the circumferential surface of the limiting rod; the protection plate is movably hinged with the side ends of the four shock absorption rods.
As a preferable scheme of the invention, each group of the protection mechanisms comprises a protection motor, a third limiting assembly, a protection mounting block, a protection plate, a protection screw rod, two protection screw rod nuts and two protection rods, wherein the protection mounting block is fixedly connected to the side end of the protection plate, the side end of the protection mounting block is an opening, the protection motor is fixedly connected to the upper inner wall of the protection mounting block, the protection screw rod is fixedly connected to the output end of the protection motor, the two protection screw rod nuts are in threaded connection with the circumferential surface of the protection screw rod, the two protection rods are respectively and movably hinged to the side ends of the two protection screw rod nuts, and the protection plate is movably hinged to the side ends of the two protection rods.
As a preferred scheme of the present invention, the upper end of the top plate and the two side ends of the electrical cabinet are both fixedly connected with a gravity sensor.
As a preferable scheme of the present invention, a liquid level meter mounting groove is formed at a side end of the lifting plate, and a liquid level meter is fixedly mounted on a side wall of the liquid level meter mounting groove.
As a preferred scheme of the present invention, the side wall of the electrical cabinet is provided with a plurality of ventilation openings and two fan heat openings, and exhaust fans are fixedly installed in both the two fan heat openings.
As a preferred scheme of the invention, a PLC controller and an ammeter are fixedly mounted on the lower inner wall of the electrical cabinet, and an electronic thermometer is fixedly connected to the side wall of the electrical cabinet.
A working method of a protective device for electric automation control comprises the following steps:
s1: when the ammeter detects that current appears on the surface of the electric cabinet, the PLC controller controls the push cylinder to be started, a thin rod of the push cylinder pulls the connecting slide block to move forwards, the connecting slide block drives the clamping plate to reach the position right above the storage battery forwards, the clamping cylinder is started, the clamping cylinder pushes the clamping block to clamp the incoming cable, the pulling motor is started to drive the clamping block to move upwards, and the cable is taken down from the positive and negative electrodes of the storage battery;
s2: when the ground water level at the side end of the liquid level meter is about to reach the lower end of the electric cabinet, the PLC controller controls the starting of the lifting motor, the lifting motor drives the lifting screw rod to rotate, the two lifting screw rod nuts move towards each other along with the rotation of the lifting screw rod, the two lifting rods push the lifting plate to move upwards, the lifting plate can raise the height of the electric cabinet, and the cables in the electric cabinet are prevented from being damaged by ground accumulated water;
s3: the rainproof motor is started, the rainproof motor drives the rainproof screw rod to rotate, the two rainproof screw rod nuts approach to each other along with the rotation of the rainproof screw rod, the rainproof rod pushes the two rainproof plates to move in the direction away from each other, and the two rainproof plates can play a role in shielding rain;
s4: the lifting motor is started, the conical plate gradually leaves the lifting mounting block along with the movement of the lifting lead screw nut, the conical plate enables the lifting mounting block to be fixed with soil more firmly, the electric cabinet can be prevented from toppling when encountering strong wind weather, if the electric cabinet collapses, the protection plate contacts the ground, the two damping springs are in a compressed state, the two damping slide blocks move towards the direction away from each other, and the box body is prevented from being damaged when the electric cabinet collapses;
s5: the guard plate receives the effort on ground to gravity inductor generate pressure, and PLC controller control protects the motor start with adding, protects to click to drive with the thread protection pole and rotates, and two are protected the pole promotion with the backplate and are moved forward, add the backplate and consolidate the rear end both corners of regulator cubicle and the chamber door department of regulator cubicle, prevent that the regulator cubicle from opening because the effort violence that collapses the production when taking place the chamber door of regulator cubicle, influence the device in the regulator cubicle and continue to use.
Compared with the prior art, the invention has the beneficial effects that:
1. when the ammeter measured the surface of regulator cubicle and appeared the electric current in this scheme, the PLC controller control promotes the cylinder and starts, and the thin pole pulling link block of promotion cylinder moves forward, and link block drives the grip block and arrives directly over the battery forward, and the centre gripping cylinder starts, and the centre gripping cylinder promotes the grip block to cable inlet wire centre gripping, draws the material motor to start to draw the material motor and drives the grip block upwards, takes off the cable from the positive negative pole of battery, and this device can prevent that the regulator cubicle from appearing the condition emergence of electric leakage for the use of regulator cubicle is safer.
2. When the lower extreme of regulator cubicle is about to reach to level gauge side ground water level in this scheme, PLC controller control elevator motor starts, and elevator motor drives the lift lead screw and rotates, and along with the rotation of lift lead screw, two lift lead screw nuts remove to the other side, and two lifter promote the lifter plate upwards, and the height of regulator cubicle can be raised to the lifter plate in this device, prevents that ground ponding from destroying the cable in the regulator cubicle.
3. Rain-proof motor starts in this scheme, and rain-proof motor drives rain-proof lead screw and rotates, and along with rain-proof lead screw's rotation, two rain-proof screw-nut are close to the other side, and the rain-proof pole promotes two flashing boards and removes to the direction of keeping away from the other side, and two flashing boards can play the effect of hiding rain, and this device can prevent that the rainwater from going out to get into the regulator cubicle from the chamber door and the case mouth of regulator cubicle in, produces the destruction to the cable in the regulator cubicle.
4. Along with elevator motor's start-up in this scheme, the conical plate leaves the lift installation piece along with lift screw-nut's removal gradually in, the conical plate makes lift installation piece and soil fixed more durable can prevent that the regulator cubicle from meetting the condition emergence that the strong wind weather appears toppling over, if the regulator cubicle takes place to collapse, the guard plate contacts ground, two damping spring are in compression state, two snubber slide blocks remove to the direction of keeping away from the other side, two damping spring play absorbing effect, the box takes place to destroy when preventing that the regulator cubicle from collapsing.
5. The guard plate receives the effort on ground to gravity inductor generate pressure in this scheme, and PLC controller control protects the motor start with adding, protects to click to drive and adds the screw protection pole and rotate, and two are protected the pole promotion with adding and are removed forward with the backplate, add the backplate and consolidate the rear end both corners of regulator cubicle and the chamber door department of regulator cubicle, prevent that the regulator cubicle from opening because the effort violence that collapses the production when taking place the chamber door of regulator cubicle, influence the device in the regulator cubicle and continue to use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a first perspective view of the present invention;
FIG. 3 is a partial view of the rain protection mechanism of the present invention;
FIG. 4 is a partial view of the shield mechanism of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;
FIG. 6 is a partial view of an anti-creeping device according to the present invention;
FIG. 7 is an enlarged view of a portion of the invention at B in FIG. 6;
FIG. 8 is a partial view of the waterproofing mechanism of the present invention;
FIG. 9 is an enlarged view of a portion of the invention at C of FIG. 8;
fig. 10 is a second perspective view of the present invention.
In the figure: 1. an electrical cabinet; 2. a waterproof mechanism; 201. a lifting plate; 202. a liquid level meter mounting groove; 203. a lifting mounting block; 204. a tapered plate; 205. a lifting motor; 206. a lifting rod; 207. a lifting screw rod; 208. a lifting screw nut; 3. a protection mechanism; 301. a protection plate; 302. a damping spring; 303. a shock-absorbing lever; 304. a limiting rod; 305. a shock-absorbing slide block; 4. a rain-proof mechanism; 401. a top plate; 402. a flashing board; 403. a rainproof screw rod; 404. a rainproof motor; 405. a rain-proof rod; 406. a rainproof screw nut; 5. a protection mechanism; 501. protecting the installation block; 502. adding a protection plate; 503. adding a screw rod protection nut; 504. protecting the screw rod; 505. adding a protection rod; 6. a leakage preventing device; 601. a push cylinder; 602. a push rod; 604. connecting the sliding block; 605. a clamping plate; 606. a clamping cylinder; 607. a material pulling motor; 608. a clamping block; 610. a clamping groove; 7. a PLC controller; 8. a storage battery; 9. an exhaust fan; 10. a gravity sensor; 12. a liquid level meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Example 1
Referring to fig. 1-10, the present invention provides the following technical solutions:
a guard for electrical automation control, comprising:
the electric cabinet comprises an electric cabinet 1, wherein a storage battery 8 is fixedly connected to the lower inner wall of the electric cabinet 1;
the anti-creeping device 6, the anti-creeping device 6 comprises two clamping slide bars, two groups of slide assemblies and two groups of clamping assemblies, wherein,
each group of sliding assemblies comprises a mounting plate, a connecting sliding block 604, a pushing cylinder 601 and two pushing rods 602, the two mounting plates are fixedly connected to the left inner wall and the right inner wall of the electrical cabinet 1 respectively, the pushing cylinder 601 is fixedly connected to one side end of the mounting plate, the thin rods of the pushing cylinder 601 movably penetrate through the other side end of the mounting plate, the two pushing rods 602 are fixedly connected between one side end of the mounting plate and the rear inner wall of the electrical cabinet 1, the connecting sliding block 604 is slidably connected to the circumferential surfaces of the two pushing rods 602, and the connecting sliding block 604 is fixedly connected with the thin rods of the pushing cylinder 601; the two clamping sliding rods are fixedly connected between the two connecting sliding blocks 604; each group of clamping assemblies comprises an air cylinder mounting frame, a clamping plate 605, a material pulling motor 607, a clamping air cylinder 606, a clamping block 608 and a clamping groove 610, the clamping plate 605 is connected to the circumferential surfaces of the two clamping slide bars in a sliding manner, the material pulling motor 607 is fixedly connected to the upper end of the clamping plate 605, the clamping groove 610 is formed in the side end of the clamping plate 605, the air cylinder mounting frame is connected to the clamping groove 610 in a sliding manner, the clamping air cylinder 606 is fixedly connected to the lower end of the air cylinder mounting frame, and the clamping block 608 is fixed to a thin rod of the clamping air cylinder 606; and
the waterproof mechanism 2 is connected with the electrical cabinet 1 so as to achieve the waterproof and collapse prevention of the electrical cabinet 1.
In a specific embodiment of the invention, the first limiting assembly comprises a rectangular groove and a rectangular frame, the rectangular groove is formed in the lower inner wall of the lifting mounting block 203, the rectangular block is fixed at the lower end of the lifting lead screw nut 208 and is connected with the rectangular groove in a sliding manner, the second limiting assembly comprises a top plate sliding block and a top plate sliding groove, the top plate sliding groove is formed in the top plate 401, the top plate sliding block is fixed at the lower end of the rainproof lead screw nut 406 and is in sliding connection with the top plate sliding groove, the third limiting assembly comprises a T-shaped groove and a T-shaped block, the T-shaped groove is respectively formed in the front inner wall and the rear inner wall of the protection mounting block 501, the T-shaped block is fixed with the protection lead screw nut 503, the T-shaped block is connected with the T-shaped groove in a sliding manner, when the surface of the ammeter electrical cabinet 1 has current, the PLC controller 7 controls the push cylinder 601 to start, the thin rod of the push cylinder 601 pulls the connecting sliding block 604 to move forwards, the connecting sliding block 604 drives the clamping plate 605 to reach the position right above the storage battery 8 forwards, the clamping cylinder 606 starts, the clamping cylinder 606 pushes the clamping block 608 to clamp the cable incoming line, the pulling motor 607, and the clamping block drives the storage battery to take the positive and the negative and positive and negative poles of the storage battery 8 from the negative poles of the storage battery to the storage battery; when the ground water level at the side end of the liquid level meter 12 is about to reach the lower end of the electrical cabinet 1, the PLC 7 controls the lifting motor 205 to start, the lifting motor 205 drives the lifting screw rod 207 to rotate, the two lifting screw rod nuts 208 move towards each other along with the rotation of the lifting screw rod 207, the two lifting rods 206 push the lifting plate 201 upwards, the lifting plate 201 can raise the height of the electrical cabinet 1, and the ground accumulated water is prevented from damaging cables in the electrical cabinet 1; when the rain-proof motor 404 is started, the rain-proof motor 404 drives the rain-proof screw 403 to rotate, the two rain-proof screw nuts 406 approach to each other along with the rotation of the rain-proof screw 403, the rain-proof rod 405 pushes the two rain-proof plates 402 to move in the direction away from each other, and the two rain-proof plates 402 can play a role in rain shielding; with the starting of the lifting motor 205, the tapered plate 204 gradually leaves the lifting mounting block 203 along with the movement of the lifting lead screw nut 208, the tapered plate 204 enables the lifting mounting block 203 to be more firmly fixed with soil, so that the electric cabinet 1 can be prevented from toppling in windy weather, if the electric cabinet 1 collapses, the protection plate 301 is in contact with the ground, the two damping springs 302 are in a compressed state, the two damping sliding blocks 305 move in a direction away from each other, the two damping springs 302 have a damping effect, and the box body is prevented from being damaged when the electric cabinet 1 collapses; protection plate 301 receives the effort on ground to gravity inductor 10 generate pressure, PLC controller 7 control protects the motor start with adding, it drives and protects wire rod 504 rotation to add to protect the click, two add protection rod 505 and promote to add protection plate 502 and move forward, it consolidates with the chamber door department of regulator cubicle 1's rear end both corners and regulator cubicle 1 with protection plate 502, prevent that regulator cubicle 1's chamber door from opening because the effort violence that collapses the production when taking place to collapse, influence the device in regulator cubicle 1 and continue to use, grip block 608 separates the positive negative pole of cable and battery 8 through centre gripping subassembly in this device, can prevent that the leakage phenomenon from appearing in the battery 8, influence maintenance personal from overhauing the circuit in regulator cubicle 1, still contained simultaneously rain-proofly, flood control, prevent functions such as collapse and heat protection, make regulator cubicle 1's protecting effect better, what need explain: lifting motor 205 of which type of specific use, rain-proof motor 404, promote cylinder 601, centre gripping cylinder 606, draw material motor 607, PLC controller 7, battery 8, gravity inductor 10 and level gauge 12 are selected by familiar with the relevant technical personnel in this field by oneself, and above all belong to prior art about lifting motor 205, rain-proof motor 404, promote cylinder 601, centre gripping cylinder 606, draw material motor 607, PLC controller 7, battery 8, gravity inductor 10 and level gauge 12 etc. this scheme does not do the perusal.
Specifically referring to fig. 8 and 9, the waterproof mechanism 2 includes a lifting plate 201, two sets of lifting assemblies and two sets of first limiting assemblies, the lifting plate 201 is fixedly connected to the lower end of the electrical cabinet 1, each set of lifting assemblies includes a lifting motor 205, a lifting mounting block 203, a conical plate 204, a lifting lead screw 207, two lifting lead screw nuts 208 and two lifting rods 206, the lifting mounting block 203 is disposed below the lifting plate 201, the upper end and the side end of the lifting mounting block 203 are both open, the lifting lead screw 207 is rotatably connected between two side walls of the lifting mounting block 203, the two lifting lead screw nuts 208 are both in threaded connection with the circumferential surface of the lifting lead screw 207, the two lifting rods 206 are respectively and movably hinged to the upper ends of the two lifting lead screw nuts 208, the conical plate 204 is movably hinged to the side ends of the two lifting lead screw nuts 208 through two connecting rods, the lifting motor 205 is fixedly connected to the side end of the lifting mounting block 203, and the output end of the lifting motor 205 is fixed to the side end of the lifting lead screw 207.
In this embodiment: when 12 side ground water levels of level gauge are about to reach the lower extreme of regulator cubicle 1, PLC controller 7 control elevator motor 205 starts, and elevator motor 205 drives lift lead screw 207 and rotates, and along with lift lead screw 207's rotation, two lift screw nuts 208 remove to the other side, and two lifters 206 promote lifter plate 201 upwards, and the height of regulator cubicle 1 can be raised to lifter plate 201 in this device, prevents that surface ponding from destroying the cable in the regulator cubicle 1.
Specifically, referring to fig. 3, a rainproof mechanism 4 is disposed at the upper end of the electrical cabinet 1, the rainproof mechanism 4 includes a top plate 401, a rainproof screw 403, two rainproof plates 402, two rainproof screw nuts 406, a rainproof motor 404, a second limiting component and four rainproof rods 405, the top plate 401 is fixedly connected to the upper end of the electrical cabinet 1, the rainproof motor 404 is fixedly connected to the side wall of the top plate 401, the rainproof screw 403 is fixedly connected to the output end of the rainproof motor 404, the two rainproof screw nuts 406 are all in threaded connection with the circumferential surface of the rainproof screw 403, the four rainproof rods 405 are respectively and movably hinged to two side ends of the two rainproof screw nuts 406, and the two rainproof plates 402 are respectively and movably hinged to side ends of the four rainproof rods 405.
In this embodiment: rain-proof motor 404 starts, and rain-proof motor 404 drives rain-proof lead screw 403 and rotates, and along with rain-proof lead screw 403's rotation, two rain-proof screw-nuts 406 are close to the other side, and rain-proof pole 405 promotes two flashing boards 402 and removes to the direction of keeping away from the other side, and two flashing boards 402 can play the effect of hiding rain, and this device can prevent that the rainwater from getting into regulator cubicle 1 from the chamber door of regulator cubicle 1 and case mouth play in, produces the destruction to the cable in the regulator cubicle 1.
Referring to fig. 4 specifically, two groups of protection mechanisms 3 and three groups of protection mechanisms 5 are arranged on the surface of the electrical cabinet 1, the two groups of protection mechanisms 3 and the three groups of protection mechanisms 5 are matched to realize protection of the electrical cabinet 1, each group of protection mechanisms 3 comprises a protection plate 301 and two groups of damping assemblies, each group of damping assemblies comprises two damping sliders 305, a limiting rod 304, a damping groove, two damping springs 302 and two damping rods 303, the damping groove is formed in the side end of the electrical cabinet 1, the two damping sliders 305 are both slidably connected in the damping groove, the two damping springs 302 are respectively and fixedly connected to the upper and lower inner walls of the damping groove, the two damping springs 302 are respectively and fixedly connected to the far ends of the two damping sliders 305, the two damping rods 303 are respectively and movably hinged to the side ends of the two damping sliders 305, the limiting rod 304 is fixedly connected between the upper and lower inner walls of the damping groove, and the two damping sliders 305 are both slidably connected to the circumferential surface of the limiting rod 304; the guard plate 301 is movably hinged to side ends of the four shock-absorbing rods 303.
In this embodiment: if regulator cubicle 1 takes place to collapse, protection plate 301 contacts ground, and two damping spring 302 are in compression state, and two damping slide block 305 remove to the direction of keeping away from the other side, and two damping spring 302 play absorbing effect, and the box takes place to destroy when preventing regulator cubicle 1 from collapsing.
Specifically referring to fig. 5, each group of protection mechanisms 5 includes a protection motor, a third limiting assembly, a protection mounting block 501, a protection plate 502, a protection rod 504, two protection rod nuts 503 and two protection rods 505, the protection mounting block 501 is fixedly connected to the side end of the protection plate 301, the side end of the protection mounting block 501 is open, the protection motor is fixedly connected to the upper inner wall of the protection mounting block 501, the protection rod 504 is fixedly connected to the output end of the protection motor, the two protection rod nuts 503 are both in threaded connection with the circumferential surface of the protection rod 504, the two protection rods 505 are respectively and movably hinged to the side ends of the two protection rod nuts 503, and the protection plate 502 is movably hinged to the side ends of the two protection rods 505.
In this embodiment: guard plate 301 receives the effort on ground to gravity inductor 10 production pressure, PLC controller 7 control protects the motor start with, protect click to drive and protect lead wire pole 504 and rotate, two protect pole 505 promotion with protect board 502 and move forward, it consolidates with the chamber door department of the rear end both corners of regulator cubicle 1 and regulator cubicle 1 to add the guard board 502, prevent that the chamber door of regulator cubicle 1 from opening because the effort violence that collapses the production when the regulator cubicle 1 takes place to collapse, influence the device in the regulator cubicle 1 and continue to use.
Specifically referring to fig. 2, the gravity sensor 10 is fixedly connected to both the upper end of the top plate 401 and the two side ends of the electrical cabinet 1.
In this embodiment: the gravity sensor 10 can sense rainwater and pressure generated when the electrical cabinet 1 collapses.
Specifically, referring to fig. 1, a liquid level meter mounting groove 202 is formed at a side end of the lifting plate 201, and a liquid level meter 12 is fixedly mounted on a side wall of the liquid level meter mounting groove 202.
In this embodiment: the level gauge 12 can monitor the flood level and control the activation of the waterproofing means.
Specifically referring to fig. 9, a plurality of ventilation openings and two heat dissipation openings are formed in the side wall of the electrical cabinet 1, and an exhaust fan 9 is fixedly installed in each of the two heat dissipation openings.
In this embodiment: the exhaust fan 9 can cool down in the electrical cabinet 1, and protect cables in the electrical cabinet 1.
Specifically referring to fig. 1, a PLC controller 7 and an ammeter are fixedly mounted on a lower inner wall of an electrical cabinet 1, and an electronic thermometer is fixedly connected to a side wall of the electrical cabinet 1.
In this embodiment: the PLC controller 7 is in signal connection with an electronic thermometer, a lifting motor 205, a rainproof motor 404, a pushing cylinder 601, a clamping cylinder 606, a material pulling motor 607, the PLC controller 7, a storage battery 8, a gravity sensor 10, a liquid level meter 12 and the like.
A working method of a protective device for electric automation control comprises the following steps:
s1: when the ammeter detects that current appears on the surface of the electrical cabinet 1, the PLC 7 controls the push cylinder 601 to start, the thin rod of the push cylinder 601 pulls the connecting slide block 604 to move forward, the connecting slide block 604 drives the clamping plate 605 to reach the position right above the storage battery 8, the clamping cylinder 606 starts, the clamping cylinder 606 pushes the clamping block 608 to clamp the cable inlet wire, the material pulling motor 607 starts the material pulling motor 607 to drive the clamping block 608 to move upwards, and the cable is taken down from the positive and negative electrodes of the storage battery 8;
s2: when the ground water level at the side end of the liquid level meter 12 is about to reach the lower end of the electrical cabinet 1, the PLC 7 controls the lifting motor 205 to start, the lifting motor 205 drives the lifting screw rod 207 to rotate, the two lifting screw rod nuts 208 move towards each other along with the rotation of the lifting screw rod 207, the two lifting rods 206 push the lifting plate 201 upwards, the lifting plate 201 can raise the height of the electrical cabinet 1, and the ground accumulated water is prevented from damaging cables in the electrical cabinet 1;
s3: the rain-proof motor 404 is started, the rain-proof motor 404 drives the rain-proof screw rod 403 to rotate, the two rain-proof screw rod nuts 406 approach to each other along with the rotation of the rain-proof screw rod 403, the rain-proof rod 405 pushes the two rain-proof plates 402 to move in the direction away from each other, and the two rain-proof plates 402 can play a role in rain shielding;
s4: the lifting motor 205 is started, the conical plate 204 gradually leaves the lifting mounting block 203 along with the movement of the lifting lead screw nut 208, the conical plate 204 enables the lifting mounting block 203 to be more firmly fixed with soil, the electric cabinet 1 can be prevented from toppling in windy weather, if the electric cabinet 1 collapses, the protection plate 301 contacts the ground, the two damping springs 302 are in a compressed state, the two damping slide blocks 305 move towards the direction away from each other, and the box body is prevented from being damaged when the electric cabinet 1 collapses;
s5: guard plate 301 receives the effort on ground to gravity inductor 10 production pressure, PLC controller 7 control protects the motor start with, protect click to drive and protect lead wire pole 504 and rotate, two protect pole 505 promotion with protect board 502 and move forward, it consolidates with the chamber door department of the rear end both corners of regulator cubicle 1 and regulator cubicle 1 to add the guard board 502, prevent that the chamber door of regulator cubicle 1 from opening because the effort violence that collapses the production when the regulator cubicle 1 takes place to collapse, influence the device in the regulator cubicle 1 and continue to use.
The working principle and the using process of the invention are as follows: when the ammeter detects that current appears on the surface of the electrical cabinet 1, the PLC 7 controls the push cylinder 601 to start, the thin rod of the push cylinder 601 pulls the connecting slide block 604 to move forward, the connecting slide block 604 drives the clamping plate 605 to reach the position right above the storage battery 8, the clamping cylinder 606 starts, the clamping cylinder 606 pushes the clamping block 608 to clamp the cable inlet wire, the material pulling motor 607 starts the material pulling motor 607 to drive the clamping block 608 to move upwards, and the cable is taken down from the positive and negative electrodes of the storage battery 8; when the ground water level at the side end of the liquid level meter 12 is about to reach the lower end of the electrical cabinet 1, the PLC 7 controls the lifting motor 205 to start, the lifting motor 205 drives the lifting screw rod 207 to rotate, the two lifting screw rod nuts 208 move towards each other along with the rotation of the lifting screw rod 207, the two lifting rods 206 push the lifting plate 201 upwards, the lifting plate 201 can raise the height of the electrical cabinet 1, and the ground accumulated water is prevented from damaging cables in the electrical cabinet 1; when the rain-proof motor 404 is started, the rain-proof motor 404 drives the rain-proof screw 403 to rotate, the two rain-proof screw nuts 406 approach to each other along with the rotation of the rain-proof screw 403, the rain-proof rod 405 pushes the two rain-proof plates 402 to move in the direction away from each other, and the two rain-proof plates 402 can play a role in rain shielding; with the starting of the lifting motor 205, the tapered plate 204 gradually leaves the lifting mounting block 203 along with the movement of the lifting lead screw nut 208, the tapered plate 204 enables the lifting mounting block 203 to be more firmly fixed with soil, so that the electric cabinet 1 can be prevented from toppling in windy weather, if the electric cabinet 1 collapses, the protection plate 301 is in contact with the ground, the two damping springs 302 are in a compressed state, the two damping sliding blocks 305 move in a direction away from each other, the two damping springs 302 have a damping effect, and the box body is prevented from being damaged when the electric cabinet 1 collapses; the protection plate 301 receives the effort on ground to produce pressure to gravity inductor 10, the PLC controller 7 controls to protect the motor start, protect and click to drive and protect the screw rod 504 and rotate, two protect the pole 505 and promote to add the backplate 502 and move forward, it consolidates with the rear end both corners of regulator cubicle 1 and regulator cubicle 1's chamber door department to add the backplate 502, prevent that regulator cubicle 1's chamber door from opening because the effort violence that collapses the production when taking place to collapse, influence the device in regulator cubicle 1 and continue to use, grip block 608 separates the positive negative pole of cable and battery 8 through centre gripping subassembly in this device, can prevent that the electric leakage phenomenon from appearing in the battery 8, influence maintenance personal and overhaul the circuit in the regulator cubicle 1, still contained simultaneously rain-proof, flood control, prevent functions such as collapse and heat protection, make regulator cubicle 1's protective effect better.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A protective device for electrical automation control, comprising:
the device comprises an electrical cabinet (1), wherein a storage battery (8) is fixedly connected to the lower inner wall of the electrical cabinet (1);
an anti-creeping device (6), wherein the anti-creeping device (6) comprises two clamping slide bars, two groups of sliding assemblies and two groups of clamping assemblies,
each group of sliding assemblies comprises a mounting plate, a connecting sliding block (604), a pushing cylinder (601) and two pushing rods (602), the two mounting plates are fixedly connected to the left inner wall and the right inner wall of the electric cabinet (1) respectively, the pushing cylinder (601) is fixedly connected to one side end of the mounting plate, the thin rods of the pushing cylinder (601) movably penetrate through the other side end of the mounting plate, the two pushing rods (602) are fixedly connected between one side end of the mounting plate and the rear inner wall of the electric cabinet (1), the connecting sliding block (604) is slidably connected to the circumferential surfaces of the two pushing rods (602), and the connecting sliding block (604) is fixedly connected with the thin rods of the pushing cylinder (601); the two clamping sliding rods are fixedly connected between the two connecting sliding blocks (604); each group of clamping assemblies comprises an air cylinder mounting frame, a clamping plate (605), a material pulling motor (607), a clamping air cylinder (606), a clamping block (608) and a clamping groove (610), the clamping plate (605) is connected to the circumferential surfaces of the two clamping slide bars in a sliding manner, the material pulling motor (607) is fixedly connected to the upper end of the clamping plate (605), the clamping groove (610) is formed in the side end of the clamping plate (605), the air cylinder mounting frame is connected into the clamping groove (610) in a sliding manner, the clamping air cylinder (606) is fixedly connected to the lower end of the air cylinder mounting frame, and the clamping block (608) is fixed to a thin rod of the clamping air cylinder (606); and
the waterproof mechanism (2) is connected with the electrical cabinet (1) to achieve the waterproof and collapse prevention of the electrical cabinet (1).
2. The protection device for the electrical automation control of claim 1, wherein the waterproof mechanism (2) comprises a lifting plate (201), two sets of lifting assemblies and two sets of first limiting assemblies, the lifting plate (201) is fixedly connected to the lower end of the electrical cabinet (1), each set of lifting assemblies comprises a lifting motor (205), a lifting mounting block (203), a conical plate (204), a lifting lead screw (207), two lifting lead screw nuts (208) and two lifting rods (206), the lifting mounting block (203) is arranged below the lifting plate (201), the upper end and the side end of the lifting mounting block (203) are both open, the lifting lead screw (207) is rotatably connected between two side walls of the lifting mounting block (203), the two lifting lead screw nuts (208) are both in threaded connection with the circumferential surface of the lifting lead screw (207), the two lifting rods (206) are respectively and movably hinged to the upper ends of the two lifting lead screw nuts (208), the conical plate (204) is movably hinged to the side ends of the two lifting lead screw nuts (208) through two connecting rods, the lifting lead screw nuts (203) are fixedly connected to the side ends of the lifting lead screw nuts (205), and the lifting motor (205) and the lifting lead screw nuts (207) are fixedly connected to the output ends of the lifting lead screw.
3. The protection device for the electrical automation control according to claim 2, wherein a rain-proof mechanism (4) is arranged at the upper end of the electrical cabinet (1), the rain-proof mechanism (4) comprises a top plate (401), a rain-proof screw rod (403), two rain-proof plates (402), two rain-proof screw nuts (406), a rain-proof motor (404), a second limiting component and four rain-proof rods (405), the top plate (401) is fixedly connected to the upper end of the electrical cabinet (1), the rain-proof motor (404) is fixedly connected to the side wall of the top plate (401), the rain-proof screw rod (403) is fixedly connected to the output end of the rain-proof motor (404), the two rain-proof screw nuts (406) are both in threaded connection with the circumferential surface of the rain-proof screw rod (403), the four rain-proof rods (405) are respectively and movably hinged to two side ends of the two rain-proof screw nuts (406), and the two rain-proof plates (402) are respectively and movably hinged to side ends of the four rain-proof rods (405).
4. The protection device for the electrical automation control of claim 3, characterized in that two sets of protection mechanisms (3) and three sets of protection mechanisms (5) are arranged on the surface of the electrical cabinet (1), the two sets of protection mechanisms (3) and the three sets of protection mechanisms (5) are matched to realize protection of the electrical cabinet (1), each set of protection mechanisms (3) comprises a protection plate (301) and two sets of damping components, each set of damping components comprises two damping sliding blocks (305), a limiting rod (304), a damping groove, two damping springs (302) and two damping rods (303), the damping groove is formed in the side end of the electrical cabinet (1), the two damping sliding blocks (305) are slidably connected in the damping groove, the two damping springs (302) are respectively and fixedly connected to the upper and lower inner walls of the damping groove, the two damping springs (302) are respectively and fixedly connected to the far ends of the two damping sliding blocks (305), the two damping rods (303) are respectively and movably hinged to the side ends of the two damping sliding blocks (305), the limiting rod (304) is fixedly connected between the upper and the lower inner walls of the damping groove, and the two damping rods (304) are respectively and slidably connected to the circumference of the damping surface of the limiting rod (304); the protection plate (301) is movably hinged with the side ends of the four shock absorption rods (303).
5. The protection device for the electric automation control of claim 4, wherein each group of the protection mechanisms (5) comprises a protection motor, a third limiting component, a protection mounting block (501), a protection plate (502), a protection wire rod (504), two protection wire rod nuts (503) and two protection rods (505), the protection mounting block (501) is fixedly connected to the side end of the protection plate (301), the side end of the protection mounting block (501) is an opening, the protection motor is fixedly connected to the upper inner wall of the protection mounting block (501), the protection wire rod (504) is fixedly connected to the output end of the protection motor, the two protection wire rod nuts (503) are both in threaded connection with the circumferential surface of the protection wire rod (504), the two protection rods (505) are respectively and movably hinged to the side ends of the two protection wire rod nuts (503), and the protection plate (502) moves to the side ends of the two protection rods (505).
6. The protection device for the electrical automation control according to claim 5, wherein the gravity sensor (10) is fixedly connected to the upper end of the top plate (401) and the two side ends of the electrical cabinet (1).
7. The protection device for the electrical automation control of claim 6, characterized in that a liquid level meter installation groove (202) is opened at a side end of the lifting plate (201), and a liquid level meter (12) is fixedly installed on a side wall of the liquid level meter installation groove (202).
8. The protection device for the electrical automation control according to claim 7, wherein the side wall of the electrical cabinet (1) is provided with a plurality of ventilation openings and two heat fan openings, and an exhaust fan (9) is fixedly installed in each of the two heat fan openings.
9. The protection device for the electrical automation control according to claim 8, wherein a PLC (programmable logic controller) controller (7) and an ammeter are fixedly installed on the lower inner wall of the electrical cabinet (1), and an electronic thermometer is fixedly connected to the side wall of the electrical cabinet (1).
10. An operating method of a protective device for electrical automation control, which is applied to the protective device for electrical automation control according to any one of claims 1 to 9, comprising the steps of:
s1: when the ammeter detects that current appears on the surface of the electrical cabinet (1), the PLC (7) controls the push cylinder (601) to be started, a thin rod of the push cylinder (601) pulls the connecting slide block (604) to move forwards, the connecting slide block (604) drives the clamping plate (605) to reach the position right above the storage battery (8) forwards, the clamping cylinder (606) is started, the clamping cylinder (606) pushes the clamping block (608) to clamp the cable inlet wire, the material pulling motor (607) starts the material pulling motor (607) to drive the clamping block (608) to move upwards, and the cable is taken down from the positive and negative electrodes of the storage battery (8);
s2: when the ground water level at the side end of the liquid level meter (12) is about to reach the lower end of the electric cabinet (1), the PLC (7) controls the lifting motor (205) to be started, the lifting motor (205) drives the lifting screw rod (207) to rotate, along with the rotation of the lifting screw rod (207), the two lifting screw rod nuts (208) move towards each other, the two lifting rods (206) push the lifting plate (201) to move upwards, the lifting plate (201) can raise the height of the electric cabinet (1), and the ground accumulated water is prevented from damaging cables in the electric cabinet (1);
s3: the rainproof motor (404) is started, the rainproof motor (404) drives the rainproof screw rod (403) to rotate, the two rainproof screw rod nuts (406) approach to each other along with the rotation of the rainproof screw rod (403), the rainproof rod (405) pushes the two rainproof plates (402) to move in the direction away from each other, and the two rainproof plates (402) can play a role in sheltering from rain;
s4: the lifting motor (205) is started, the conical plate (204) gradually leaves the lifting installation block (203) along with the movement of the lifting lead screw nut (208), the conical plate (204) enables the lifting installation block (203) to be more firm to fix with soil, the electric cabinet (1) can be prevented from toppling in strong wind weather, if the electric cabinet (1) collapses, the protection plate (301) contacts the ground, the two damping springs (302) are in a compression state, the two damping sliding blocks (305) move towards a direction far away from each other, and the box body is prevented from being damaged when the electric cabinet (1) collapses;
s5: guard plate (301) receive the effort on ground to gravity inductor (10) production pressure, PLC controller (7) control protects the motor start with, it drives and protects screw rod (504) rotation to protect to click with protecting, two protect pole (505) promote with backplate (502) and move forward, it consolidates with the chamber door department of the rear end both corners of regulator cubicle (1) and regulator cubicle (1) to add backplate (502), prevent that the chamber door of regulator cubicle (1) from opening because the effort violence that collapses the production when taking place to collapse the chamber door of regulator cubicle (1), influence the device in regulator cubicle (1) and continue to use.
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| CN202110883351.1A CN113597170B (en) | 2021-08-03 | 2021-08-03 | Protective device for electric automation control and working method thereof |
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| CN202110883351.1A CN113597170B (en) | 2021-08-03 | 2021-08-03 | Protective device for electric automation control and working method thereof |
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