CN114221242B - Self-adaptive protective switch cabinet and working method thereof - Google Patents
Self-adaptive protective switch cabinet and working method thereof Download PDFInfo
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- CN114221242B CN114221242B CN202210092368.XA CN202210092368A CN114221242B CN 114221242 B CN114221242 B CN 114221242B CN 202210092368 A CN202210092368 A CN 202210092368A CN 114221242 B CN114221242 B CN 114221242B
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- switch cabinet
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- 230000001681 protective effect Effects 0.000 title claims description 29
- 238000000034 method Methods 0.000 title abstract description 11
- 230000017525 heat dissipation Effects 0.000 claims abstract description 31
- 230000001105 regulatory effect Effects 0.000 claims abstract description 30
- 238000007664 blowing Methods 0.000 claims abstract description 26
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 20
- 230000003044 adaptive effect Effects 0.000 claims abstract description 15
- 230000035939 shock Effects 0.000 claims description 25
- 239000006096 absorbing agent Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 14
- 210000001503 joint Anatomy 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 6
- 238000005192 partition Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 23
- 238000009434 installation Methods 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 abstract description 4
- 230000000737 periodic effect Effects 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000009529 body temperature measurement Methods 0.000 description 4
- 238000005381 potential energy Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/54—Anti-seismic devices or installations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application relates to an adaptive protection switch cabinet, include: the switch cabinet comprises a switch cabinet body, a blowing mechanism, a filtering dustproof mechanism, an air adjusting mechanism and a control box; the switch cabinet body is internally provided with a first cabinet body, a second cabinet body and a third cabinet body; the air adjusting mechanism performs air blast switching control on the first cabinet body, the second cabinet body and the third cabinet body; the filtering dustproof mechanism carries out dustproof filtering on the gas blown by the blowing mechanism. According to the method, the installation area of the component is selected according to the heating condition, and the heat dissipation effect in different cabinets can be adjusted by controlling the opening of the electric control air volume regulating valve, so that the method is suitable for the diversity of the heating condition when the component operates, and the overall heat dissipation effect of the switch cabinet is improved; the on-off of the electromagnet is controlled by the sliding power connection device, so that the electromagnet also forms a periodic state of power-on, power-off and power-on, and the filter plate is driven to periodically and automatically clean ash; the vibration-proof mechanism is adjusted to cope with working environments with different vibration amplitudes of the switch cabinet body.
Description
Technical Field
The application relates to the field of switch cabinet protection, in particular to a self-adaptive protection switch cabinet and a working method thereof.
Background
CN202020070105.5 discloses a shockproof high-voltage switch cabinet with good heat dissipation effect, which adopts the technical scheme that: including the high-voltage switch cabinet body, the equal fixedly connected with support column in high-voltage switch cabinet body top surface both sides, support column top fixedly connected with hides the rain cover, high-voltage switch cabinet body top surface is located between two support columns fixed mounting has the second fan, second fan bottom runs through high-voltage switch cabinet body fixedly connected with air outlet, the equal fixedly mounted gag lever post of inner wall about the high-voltage switch cabinet body, control the equal fixedly mounted high-voltage electric appliance mounting plate in gag lever post opposite surface top, fixed mounting has the dehumidification board between the inner wall about the high-voltage switch cabinet body, the equal fixedly mounted first fan of inner wall about the high-voltage switch cabinet body, control the equal fixedly connected with air intake of first fan outside bottom runs through high-voltage switch cabinet body, the equal fixedly connected with rubber column in high-voltage switch cabinet body bottom surface both sides, control the equal fixedly connected with mounting plate bottom plate, the mounting plate top surface both sides are located between two rubber columns and are all fixedly connected with first shock-absorbing spring, control the equal fixedly connected with high-voltage spring body top and high-voltage switch cabinet top surface mounting plate, shock-absorbing spring top and high-absorbing spring housing top surface fixedly connected with the two movable sleeve, shock-absorbing spring housing top surface movable sleeve is equipped with the first shock-absorbing spring housing top.
The shockproof high-voltage switch cabinet with good heat dissipation effect has the following advantages: the strip-shaped heat dissipation ports and the top of the high-voltage switch cabinet are arranged on two sides of the high-voltage switch cabinet body, the second fans and the air outlets are arranged on two sides of the lower end of the high-voltage switch cabinet body, the first fans and the air inlets are arranged on two sides of the lower end of the high-voltage switch cabinet body, heat in the high-voltage switch cabinet can be effectively and rapidly discharged, an operating appliance is not affected by high temperature, and accordingly the high-voltage switch cabinet can normally operate.
However, the shockproof high-voltage switch cabinet with good heat dissipation effect has the following disadvantages: the heat dissipation mode is general, each component in the switch cabinet cannot be subjected to targeted heat dissipation, and the heating condition of the component cannot be flexibly adjusted when the heating conditions of the components are not uniform; the shockproof performance is unique and can not be adjusted, and can not adapt to various working environments.
Therefore, a switch cabinet capable of adjusting the heat dissipation effect of components and adjusting the vibration-proof performance according to the working environment is needed.
Disclosure of Invention
In order to solve the problems of general heat dissipation mode and single shockproof performance, the application provides a self-adaptive protection switch cabinet and a working method thereof.
The application provides an adaptive protection switch cabinet, include: the switch cabinet comprises a switch cabinet body, a blowing mechanism, a filtering dustproof mechanism, an air adjusting mechanism, a shockproof mechanism and a control box;
the switch cabinet body includes: the first cabinet body, the second cabinet body and the third cabinet body; the first cabinet body, the second cabinet body and the third cabinet body are arranged in the switch cabinet body in parallel;
the air blowing mechanism is arranged at the side part of the switch cabinet body and is fixedly connected with the switch cabinet body;
the air adjusting mechanism is arranged at the lower part of the switch cabinet body and connected with the bottom of the switch cabinet body, and respectively performs blast switching control on the first cabinet body, the second cabinet body and the third cabinet body;
the filtering dustproof mechanism is arranged between the air blowing mechanism and the air adjusting mechanism, and is used for carrying out dustproof filtering on the air blown by the air blowing mechanism and sending the air into the air adjusting mechanism;
the shockproof mechanism is arranged at the lower part of the switch cabinet body and is fixedly connected with the switch cabinet body and used for releasing the vibration of the switch cabinet body;
further comprises: the infrared thermometer is respectively arranged in the first cabinet body, the second cabinet body and the third cabinet body and is electrically connected with the control box; the vibration monitor is arranged in the switch cabinet body and is electrically connected with the control box.
Further, a heat dissipation channel is arranged above the switch cabinet body, is fixedly connected with the upper part of the switch cabinet and is communicated with a heat dissipation hole arranged at the upper part of the switch cabinet body;
the first cabinet body is provided with components with smaller heating value; the second cabinet body is provided with components with moderate heating value; and the third cabinet body is provided with components with larger heating value.
Further, the air conditioning mechanism includes: the first air outlet pipe is arranged below the first cabinet body, and the upper end of the first air outlet pipe is communicated with the bottom of the first cabinet body; the first electric control air quantity regulating valve is arranged below the first air outlet pipe, and the upper end of the first electric control air quantity regulating valve is connected with the lower end of the first air outlet pipe; the second air outlet pipe is arranged below the second cabinet body, and the upper end of the second air outlet pipe is communicated with the bottom of the second cabinet body; the second electric control air quantity regulating valve is arranged below the second air outlet pipe, and the upper end of the second electric control air quantity regulating valve is connected with the lower end of the second air outlet pipe; the third air outlet pipe is arranged below the third cabinet body, and the upper end of the third air outlet pipe is communicated with the bottom of the third cabinet body; the third electric control air quantity regulating valve is arranged below the third air outlet pipe, and the upper end of the third electric control air quantity regulating valve is connected with the lower end of the third air outlet pipe; the first pipe joint is specifically an L-shaped two-way joint, is arranged below the first cabinet body, and the upper end of the first pipe joint is connected with the lower end of the first electric control air quantity regulating valve; the second pipe joint is in particular a three-way joint, is arranged below the second cabinet body, the upper end of the second pipe joint is connected with the lower end of the second electric control air quantity regulating valve, and the left side end of the second pipe joint is connected with the right side end of the first pipe joint; the third pipe joint is in particular a three-way joint, is arranged below the third cabinet body, the upper end of the third pipe joint is connected with a third electric control air quantity regulating valve, the left side end of the third pipe joint is connected with the right side end of the second pipe joint, and the right side end of the third pipe joint is connected with the air blowing mechanism;
further comprises: the first connecting pipe is arranged between the first pipe joint and the second pipe joint, one end of the first connecting pipe is connected with the right side end of the first pipe joint, and the other end of the first connecting pipe is connected with the left side end of the second pipe joint; the second connecting pipe is arranged between the second pipe joint and the third pipe joint, one end of the second connecting pipe is connected with the right side end of the second pipe joint, and the other end of the second connecting pipe is connected with the left side end of the third pipe joint; and the third connecting pipe is arranged between the third pipe joint and the air blowing mechanism, one end of the third connecting pipe is connected with the right side end of the third pipe joint, and the other end of the third connecting pipe is connected with the air blowing mechanism.
Further, the first connecting pipe is larger than the pipe diameter of the first air outlet pipe; the square of the pipe diameter of the second connecting pipe is larger than the sum of squares of the pipe diameters of the first air outlet pipe and the second air outlet pipe; the square of the pipe diameter of the third connecting pipe is larger than the sum of squares of the pipe diameters of the first air outlet pipe, the second air outlet pipe and the third air outlet pipe;
the first air outlet pipe, the second air outlet pipe and the third air outlet pipe are soft pipes;
the first connecting pipe, the second connecting pipe and the third connecting pipe are hard pipes.
Through adopting above-mentioned technical scheme, with components and parts according to the condition of generating heat select the installation region to can adjust the internal radiating effect of different cabinets through the aperture of control automatically controlled air volume control valve, adapt to the diversity of the condition of generating heat when components and parts are operated, improved whole radiating effect.
Further, the blower mechanism includes: the protective cover is arranged on the side part of the switch cabinet body and is fixedly connected with the side part of the switch cabinet body; the blower main body is arranged in the protective cover and fixedly connected with the protective cover; the air collecting pipe is arranged in the protective cover, one end of the air collecting pipe is connected with the inlet part of the blower main body, and the other end of the air collecting pipe extends out of the lower part of the protective cover; the blast pipe is arranged at the lower part of the protective cover, one end of the blast pipe is connected with the outlet part of the blower main body, and the other end of the blast pipe extends out of the lower part of the protective cover.
By adopting the technical scheme, the gas collecting tube is arranged at the lower part of the air blowing mechanism, so that the falling of impurities in the environment is avoided.
Further, the filtering dustproof mechanism includes: the middle parts of the upper side and the lower side of the shell are provided with openings, namely an air inlet and an air outlet of the filtering dustproof mechanism; the connecting cover is arranged at the air inlet of the shell, one end of the connecting cover is connected with the air outlet pipe of the air blowing mechanism, and the other end of the connecting cover is connected with the air inlet of the shell; the guide rods are symmetrically arranged at the left side and the right side of the shell; the sliding sleeve is sleeved on the guide rod and is in sliding connection with the guide rod; the reset spring is sleeved on the guide rod, the upper end of the reset spring is abutted with one side of the air inlet of the shell, and the lower end of the reset spring is abutted with the upper end of the sliding sleeve; the middle part of the mounting plate is hollowed out, the mounting plate is vertically arranged with the guide rod, and the two sides of the mounting plate are fixedly connected with the sliding sleeve respectively; the filter disc is movably arranged at the hollow part in the middle of the mounting plate; the magnet block is arranged on one side of the mounting plate facing the air outlet and is fixedly connected with the mounting plate; the electromagnet is arranged at one side of the air outlet of the shell, is fixedly connected with the inner wall of the shell and is electrically connected with the control box, and the polarities of the magnetic poles at the positions adjacent to the electromagnet and the magnet block are the same; the sliding power connection device is arranged on the side part of the shell and is electrically connected with the control box;
the width of the filter piece is larger than the width of the air outlet of the shell;
the sliding power receiving device comprises: the electric screw rod is arranged on one side of the shell, fixedly connected with the shell, arranged in parallel with the partition plate and electrically connected with the control box; the sliding block is an insulator and is arranged on the electric screw rod and is in threaded driving connection with the electric screw rod; the first limit switch is arranged on one side of the upper sliding block of the electric screw rod; the second limit switch is arranged on the other side of the upper sliding block of the electric screw rod; the metal contact is arranged on the sliding block, fixedly connected with the sliding block and electrically connected with the electromagnet; the mounting blocks are insulators and symmetrically arranged at positions, opposite to the sliding blocks, of the metal contacts and are fixedly connected with the shell; the conducting plate is arranged on the surface of the mounting block and is electrically connected with the electromagnet;
the metal contact and the conductive plate form a sliding switch and are connected in series with the circuit of the electromagnet.
By adopting the technical scheme, the sliding power connection device controls the on-off of the electromagnet, when the metal contact contacts the conductive plate, the electromagnet is electrified, repulsive force is formed between the electromagnet and the magnet block to push the mounting plate to move upwards, and meanwhile, the reset spring obtains elastic potential energy; when the metal contact is separated from the conducting plate, the electromagnet is powered off, the repulsive force between the electromagnet and the magnetite is eliminated and is converted into the attractive force of the magnet block to the powered off electromagnet core, the elastic potential energy of the reset spring is matched for release, the mounting plate is rapidly pushed to move downwards, dust or impurities on the filter disc stay in place under inertia, and the dust or impurities are separated from the filter disc. Along with the reciprocating motion of the first limit switch and the second limit switch control slide block, the electromagnet also forms a periodic state of power-on, power-off and power-on, and the mounting plate also periodically and automatically cleans ash.
Further, the method further comprises the following steps: the semiconductor refrigerating sheet is arranged in the switch cabinet body, is connected with components in the switch cabinet body and is electrically connected with the control box.
By adopting the technical scheme, the semiconductor refrigerating sheet can rapidly cool down components and parts, and can cope with the scene of insufficient air cooling and heat dissipation capacity under extreme conditions, thereby improving the overall heat dissipation effect of the switch cabinet.
Further, the shockproof mechanism comprises: a base, the upper part of which is provided with an opening and is matched with the switch cabinet body; the balancing weight is arranged at the lower part of the switch cabinet body, fixedly connected with the switch cabinet body and matched with the base; the shock absorbers are arranged below the balancing weights, and the upper ends of the shock absorbers are abutted with the balancing weights and fixedly connected with the lower parts of the balancing weights; the electric push rods are arranged below the corresponding shock absorbers, the upper ends of the electric push rods are in butt joint with the shock absorbers, the lower ends of the electric push rods are in butt joint with the inner walls of the base, and the two ends of the electric push rods are fixedly connected with the lower parts of the shock absorbers and the inner walls of the base respectively;
further comprises: the first limiting baffle tables are symmetrically arranged at the opening of the upper part of the base and fixedly connected with the upper part of the base; the second limiting baffle is arranged at the lower part of the balancing weight and is fixedly connected with the balancing weight; the upper surface of the second limiting baffle table is abutted with the lower surface of the first limiting baffle table;
the shock absorber includes: the gaskets are symmetrically arranged at two ends of the shock absorber and are respectively fixedly connected with the lower part of the balancing weight and the upper part of the electric push rod; the telescopic rod is arranged between the two gaskets of the same shock absorber, and two ends of the telescopic rod are fixedly connected with the two gaskets respectively; and the damping spring is sleeved on the telescopic rod, and two ends of the damping spring are respectively in butt joint with the two gaskets.
By adopting the technical scheme, if the vibration amplitude of the switch cabinet body is larger, the electric push rod is shortened, the tightening degree of the shockproof spring in the shockproof device is weakened, the shockproof effect is improved, and the vibration of the switch cabinet body is counteracted; if the vibration amplitude of the switch cabinet body is large, the electric push rod stretches, the tightening degree of the shockproof spring in the vibrator is enhanced, the shockproof effect is reduced, and the stability of the switch cabinet is improved.
The working method of the self-adaptive protective switch cabinet comprises the following steps of:
step S1, installing components, namely selecting the installation position of each component according to the heating condition of the components, installing the components with smaller heating value in a first cabinet body, installing the components with medium heating value in a second cabinet body, installing the components with larger heating value in a third cabinet body, and electrically connecting the components;
step S2, air blast heat dissipation, wherein a control box adjusts a first electric control air volume adjusting valve, a second electric control air volume adjusting valve and a third electric control air volume adjusting valve, heat dissipation effects are respectively adjusted in the first cabinet body, the second cabinet body and the third cabinet body, and opening degrees of the electric control air volume adjusting valves corresponding to the cabinet bodies are respectively adjusted according to temperature measurement data of an infrared thermometer;
step S3, shockproof, the vibration amplitude is measured through a vibration monitor, and the control box controls the electric push rod to extend or shorten: if the vibration amplitude is measured to be increased, the electric push rod is shortened; if the vibration amplitude is measured to be reduced, the electric push rod is extended.
Further, in step S2, if the temperature measurement data of the infrared thermometer shows that the temperature of the component in the certain cabinet exceeds the set temperature threshold, and the temperature still does not decrease when the common heat dissipation time exceeds the set time threshold, the control box controls the semiconductor heat sink correspondingly connected with the component to be started, and the component is locally cooled.
In summary, the present application includes the following beneficial technical effects:
1. the installation area is selected according to the heating condition of the components, and the heat dissipation effect in different cabinets can be adjusted by controlling the opening of the electric control air quantity regulating valve, so that the device is suitable for the diversity of the heating condition when the components run; meanwhile, if the situation of insufficient air cooling and heat dissipation capacity is met under extreme conditions, the semiconductor refrigerating sheet rapidly cools the components and parts, so that the overall heat dissipation effect of the switch cabinet is improved;
2. the sliding power connection device is used for controlling the on-off of the electromagnet, so that the electromagnet also forms a periodic state of power on-power off-power on, the filter plate is driven to periodically and automatically clean dust, the air supply effect is improved, and dust or impurities are prevented from entering the switch cabinet body to damage components;
3. through adjusting shockproof mechanism, can deal with the different operational environment of cubical switchboard body vibration amplitude: if the vibration amplitude of the switch cabinet body is larger, the electric push rod is shortened, the tightening degree of the shockproof spring in the shockproof device is weakened, the shockproof effect is improved, the vibration of the switch cabinet body is counteracted, and the components in the switch cabinet body are protected; if the vibration amplitude of the switch cabinet body is large, the electric push rod stretches, the tightening degree of the shockproof spring in the vibrator is enhanced, the shockproof effect is reduced, and the stability of the switch cabinet is improved.
Drawings
FIG. 1 is a block diagram of an adaptive protection switch cabinet according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of a switch cabinet body of an adaptive protection switch cabinet according to an embodiment of the present application;
FIG. 3 is an enlarged view of a portion of a blower mechanism of an adaptive protection switch cabinet in accordance with an embodiment of the present application;
FIG. 4 is an enlarged view of a portion of a dust filtration mechanism of an adaptive protective switchgear according to an embodiment of the present application;
FIG. 5 is an enlarged partial top view of an air conditioning mechanism of an adaptive protection switch cabinet according to an embodiment of the present application;
fig. 6 is a partial enlarged view of a shock protection mechanism of an adaptive protection switch cabinet according to an embodiment of the present application.
Reference numerals illustrate:
1. a switch cabinet body; 11. a first cabinet; 12. a second cabinet; 13. a third cabinet; 14. a heat dissipation channel; 15. a heat radiation hole;
2. a blowing mechanism; 21. a protective cover; 22. a blower main body; 23. an air collecting pipe; 24. an air supply pipe;
3. a filtering dustproof mechanism; 31. a housing; 311. an air inlet; 312. an air outlet; 32. a connection cover; 33. a guide rod; 34. sliding the sleeve; 35. a mounting plate; 36. a filter sheet; 37. a return spring; 381. a magnet block; 382. an electromagnet; 39. a sliding power connection device; 391. a screw rod; 392. a slide block; 393. a first limit switch; 394. a second limit switch; 395. a metal contact; 396. a conductive plate; 397. a mounting block;
4. an air adjusting mechanism; 401. a first air outlet pipe; 402. a second air outlet pipe; 403. a third air outlet pipe; 404. the first electric control air quantity regulating valve; 405. the second electric control air quantity regulating valve; 406. a third electric control air quantity regulating valve; 407. a first connection pipe; 408. a second connection pipe; 409. a third connection pipe; 410. a first pipe joint; 411. a second pipe joint; 412. a third pipe joint;
5. a shockproof mechanism; 51. a base; 52. balancing weight; 53. a damper; 531. a gasket; 532. a telescopic rod; 533. a damping spring; 54. an electric push rod; 55. first spacing fender platform: 56. the second limiting baffle is arranged on the first limiting baffle;
6. an infrared thermometer; 7. a vibration monitor; 8. and a control box.
Detailed Description
The following detailed description of the embodiments of the present application, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operation and use method, etc., is provided to help those skilled in the art to more fully understand the inventive concept, technical solution of the present invention. For convenience of description, reference is made to the directions shown in the drawings.
Referring to fig. 1-6, an adaptive protective switchgear, comprising: the switch cabinet comprises a switch cabinet body 1, a blowing mechanism 2, a filtering dustproof mechanism 3, a fan adjusting mechanism 4 and a control box 8;
the switch cabinet body 1 includes: a first cabinet 11, a second cabinet 12, and a third cabinet 13; the first cabinet body 11, the second cabinet body 12 and the third cabinet body 13 are arranged in the switch cabinet body 1 in parallel;
the air blowing mechanism 2 is arranged at the side part of the switch cabinet body 1 and is fixedly connected with the switch cabinet body 1;
the air adjusting mechanism 4 is arranged at the lower part of the switch cabinet body 1 and connected with the bottom of the switch cabinet body 1, and respectively performs air blast switching control on the first cabinet body 11, the second cabinet body 12 and the third cabinet body 13;
the filtering dustproof mechanism 3 is arranged between the air blowing mechanism 2 and the air adjusting mechanism 4, and is used for carrying out dustproof filtering on the air blown by the air blowing mechanism 2 and sending the air into the air adjusting mechanism 4;
the shockproof mechanism 5 is arranged at the lower part of the switch cabinet body 1, is fixedly connected with the switch cabinet body 1 and is used for releasing the shock of the switch cabinet body 1;
further comprises: the infrared thermometer 6 is respectively arranged in the first cabinet 11, the second cabinet 12 and the third cabinet 13 and is electrically connected with the control box 8; the vibration monitor 7 is arranged in the switch cabinet body 1 and is electrically connected with the control box 8.
A heat dissipation channel 14 is arranged above the switch cabinet body 1, fixedly connected with the upper part of the switch cabinet and communicated with a heat dissipation hole 15 arranged at the upper part of the switch cabinet body 1;
the first cabinet 11 is provided with components with smaller heating value; the second cabinet 12 is provided with components with moderate heating value; the third cabinet 13 is provided with components with larger heating value.
The air adjusting mechanism 4 comprises: the first air outlet pipe 401 is arranged below the first cabinet 11, and the upper end of the first air outlet pipe is communicated with the bottom of the first cabinet 11; the first electric control air quantity regulating valve 404 is arranged below the first air outlet pipe 401, and the upper end of the first electric control air quantity regulating valve is connected with the lower end of the first air outlet pipe 401; the second air outlet pipe 402 is arranged below the second cabinet 12, and the upper end of the second air outlet pipe is communicated with the bottom of the second cabinet 12; the second electric control air quantity regulating valve 405 is arranged below the second air outlet pipe 402, and the upper end of the second electric control air quantity regulating valve is connected with the lower end of the second air outlet pipe 402; the third air outlet pipe 403 is arranged below the third cabinet 13, and the upper end of the third air outlet pipe is communicated with the bottom of the third cabinet 13; the third electric control air quantity regulating valve 406 is arranged below the third air outlet pipe 403, and the upper end of the third electric control air quantity regulating valve is connected with the lower end of the third air outlet pipe 403; the first pipe joint 410, specifically an L-shaped two-way joint, is arranged below the first cabinet 11, and the upper end of the first pipe joint is connected with the lower end of the first electric control air volume adjusting valve 404; the second pipe joint 411, specifically a three-way joint, is arranged below the second cabinet 12, the upper end of the second pipe joint is connected with the lower end of the second electric control air volume adjusting valve 405, and the left side end of the second pipe joint is connected with the right side end of the first pipe joint 410; the third pipe joint 412, specifically a three-way joint, is disposed below the third cabinet 13, the upper end is connected with the third electric control air volume adjusting valve 406, the left end is connected with the right end of the second pipe joint 411, and the right end is connected with the air blowing mechanism 2;
further comprises: the first connecting pipe 407 is arranged between the first pipe joint 410 and the second pipe joint 411, one end of the first connecting pipe is connected with the right side end of the first pipe joint 410, and the other end of the first connecting pipe is connected with the left side end of the second pipe joint 411; the second connection pipe 408 is arranged between the second pipe joint 411 and the third pipe joint 412, one end of the second connection pipe is connected with the right side end of the second pipe joint 411, and the other end of the second connection pipe is connected with the left side end of the third pipe joint 412; and a third connecting pipe 409 provided between the third pipe joint 412 and the blower mechanism 2, one end of which is connected to the right side end of the third pipe joint 412, and the other end of which is connected to the blower mechanism 2.
The first connecting pipe 407 is larger than the pipe diameter of the first air outlet pipe 401; the square of the pipe diameter of the second connecting pipe 408 is larger than the sum of squares of the pipe diameters of the first air outlet pipe 401 and the second air outlet pipe 402; the square of the pipe diameter of the third connecting pipe 409 is larger than the sum of squares of the pipe diameters of the first air outlet pipe 401, the second air outlet pipe 402 and the third air outlet pipe 403;
the first air outlet pipe 401, the second air outlet pipe 402 and the third air outlet pipe 403 are soft pipes;
the first connecting pipe 407, the second connecting pipe 408, and the third connecting pipe 409 are hard pipes.
The blower mechanism 2 includes: the protective cover 21 is arranged on the side part of the switch cabinet body 1 and is fixedly connected with the side part of the switch cabinet body 1; a blower main body 22 disposed in the shield 21 and fixedly connected to the shield 21; a wind collecting pipe 23 provided in the hood 21, one end of which is connected to the inlet of the blower main body 22 and the other end of which protrudes from the lower part of the hood 21; the air supply pipe 24 is provided at the lower portion of the hood 21, and has one end connected to the outlet portion of the blower main body 22 and the other end extending from the lower portion of the hood 21.
The filtering dust-proof mechanism 3 includes: the middle parts of the upper side and the lower side of the shell 31 are provided with openings, namely an air inlet 311 and an air outlet 312 of the filtering dustproof mechanism 3; the connecting cover 32 is arranged at the air inlet 311 of the shell 31, one end of the connecting cover is connected with the air outlet pipe of the air blowing mechanism 2, and the other end of the connecting cover is connected with the air inlet 311 of the shell 31; guide rods 33 symmetrically provided on both left and right sides of the housing 31; the sliding sleeve 34 is sleeved on the guide rod 33 and is in sliding connection with the guide rod 33; a return spring 37 which is sleeved on the guide rod 33, the upper end of which is abutted with one side of the air inlet 311 of the shell 31, and the lower end of which is abutted with the upper end of the sliding sleeve 34; the mounting plate 35 is hollowed in the middle, is arranged perpendicular to the guide rod 33, and is fixedly connected with the sliding sleeve 34 on two sides respectively; the filter sheet 36 is movably arranged in the hollow part in the middle of the mounting plate 35; the magnet block 381 is arranged on one side of the mounting plate 35 facing the air outlet 312 and is fixedly connected with the mounting plate 35; the electromagnet 382 is arranged on one side of the air outlet 312 of the shell 31, is fixedly connected with the inner wall of the shell 31 and is electrically connected with the control box 8, and the polarities of the magnetic poles of the electromagnet 382 and the adjacent positions of the magnet block 381 are the same; the sliding power connection device 39 is arranged on the side part of the shell 31 and is electrically connected with the control box 8;
the width of the filter 36 is larger than the width of the air outlet 312 of the shell 31;
the sliding power receiving device 39 includes: the electric screw rod 391 is arranged on one side of the shell 31, fixedly connected with the shell 31, arranged in parallel with the partition plate and electrically connected with the control box 8; the sliding block 392 is an insulator and is arranged on the electric screw rod 391 and is in threaded driving connection with the electric screw rod 391; the first limit switch 393 is arranged on one side of the sliding block 392 on the electric screw 391; the second limit switch 394 is arranged on the other side of the sliding block 392 on the electric screw 391; the metal contact 395 is arranged on the sliding block 392, is fixedly connected with the sliding block 392 and is electrically connected with the electromagnet 382; the mounting block 397 is an insulator and is symmetrically arranged at the position, opposite to the sliding block 392, of the metal contact 395 and is fixedly connected with the shell 31; a conductive plate 396 disposed on the surface of the mounting block 397 and electrically connected to the electromagnet 382;
the metal contacts 395 and the plate 396 form a sliding switch and are connected in series with the electrical circuit of the electromagnet 382.
Further comprises: the semiconductor refrigerating sheet is arranged in the switch cabinet body 1, is connected with components in the switch cabinet body 1 and is electrically connected with the control box 8.
The vibration prevention mechanism 5 includes: a base 51 having an upper opening and fitted to the switch cabinet body 1; the balancing weight 52 is arranged at the lower part of the switch cabinet body 1, fixedly connected with the switch cabinet body 1 and matched with the base 51; the shock absorbers 53 are arranged below the balancing weights 52, and the upper ends of the shock absorbers are abutted against the balancing weights 52 and fixedly connected with the lower parts of the balancing weights 52; the plurality of electric push rods 54 are arranged below the corresponding shock absorbers 53, the upper ends of the electric push rods are in butt joint with the shock absorbers 53, the lower ends of the electric push rods are in butt joint with the inner wall of the base 51, and the two ends of the electric push rods are fixedly connected with the lower parts of the shock absorbers 53 and the inner wall of the base 51 respectively;
further comprises: the first limiting baffle tables 55 are symmetrically arranged at the opening of the upper part of the base 51 and fixedly connected with the upper part of the base 51; the second limiting baffle 56 is arranged at the lower part of the balancing weight 52 and is fixedly connected with the balancing weight 52; the upper surface of the second limiting baffle 56 is abutted with the lower surface of the first limiting baffle 55;
the damper 53 includes: the gaskets 531 are symmetrically arranged at two ends of the shock absorber 53 and are respectively fixedly connected with the lower part of the balancing weight 52 and the upper part of the electric push rod 54; the telescopic rod 532 is arranged between the two gaskets 531 of the same shock absorber 53, and two ends of the telescopic rod 532 are fixedly connected with the two gaskets 531 respectively; the damping spring 533 is sleeved on the telescopic rod 532, and two ends of the damping spring are respectively abutted with the two gaskets 531.
The working method of the self-adaptive protective switch cabinet comprises the following steps of:
step S1, installing components, namely selecting the installation position of each component according to the heating condition of the components, installing the components with smaller heating value in the first cabinet 11, installing the components with medium heating value in the second cabinet 12, installing the components with larger heating value in the third cabinet 13, and electrically connecting the components;
step S2, air blast heat dissipation is carried out, the control box 8 adjusts a first electric control air volume adjusting valve 404, a second electric control air volume adjusting valve 405 and a third electric control air volume adjusting valve 406, heat dissipation effects are respectively adjusted in the first cabinet 11, the second cabinet 12 and the third cabinet 13, and opening degrees of the electric control air volume adjusting valves corresponding to the cabinets are respectively adjusted according to temperature measurement data of the infrared thermometer 6;
step S3, shockproof, the vibration amplitude is measured by the vibration monitor 7, and the control box 8 controls the electric push rod 54 to extend or shorten: if the magnitude of the vibration increases, the electric push rod 54 shortens; if the measured vibration amplitude decreases, the electric push rod 54 is extended.
In step S2, if the temperature measurement data of the infrared thermometer 6 shows that the temperature of the component in a certain cabinet exceeds the set temperature threshold, and the temperature still does not decrease when the common heat dissipation time exceeds the set time threshold, the control box 8 controls the semiconductor heat sink corresponding to the component to be started, and the component is locally cooled.
The working principle of the self-adaptive protective switch cabinet and the working method thereof is as follows: the installation area is selected according to the heating condition of the components, and the heat dissipation effect in different cabinets can be adjusted by controlling the opening of the electric control air quantity regulating valve, so that the device is suitable for the diversity of the heating condition when the components run; meanwhile, if the situation that the air cooling heat dissipation capacity is insufficient under the extreme condition is met, the semiconductor refrigerating sheet cools the components and parts rapidly, and the overall heat dissipation effect of the switch cabinet is improved.
In the embodiment of the application, the sliding power connection device controls the on-off of the electromagnet, when the metal contact contacts the conductive plate, the electromagnet is electrified, repulsive force is formed between the electromagnet and the magnet block to push the mounting plate to move upwards, and meanwhile, the reset spring obtains elastic potential energy; when the metal contact is separated from the conducting plate, the electromagnet is powered off, the repulsive force between the electromagnet and the magnetite is eliminated and is converted into the attractive force of the magnet block to the powered off electromagnet core, the elastic potential energy of the reset spring is matched for release, the mounting plate is rapidly pushed to move downwards, dust or impurities on the filter disc stay in place under inertia, and the dust or impurities are separated from the filter disc. Along with the reciprocating motion of the first limit switch and the second limit switch control slide block, the electromagnet also forms a periodic state of power-on, power-off and power-on, and the mounting plate also periodically and automatically cleans ash.
Through adjusting shockproof mechanism, can deal with the different operational environment of cubical switchboard body vibration amplitude: if the vibration amplitude of the switch cabinet body is larger, the electric push rod is shortened, the tightening degree of the shockproof spring in the shockproof device is weakened, the shockproof effect is improved, the vibration of the switch cabinet body is counteracted, and the components in the switch cabinet body are protected; if the vibration amplitude of the switch cabinet body is large, the electric push rod stretches, the tightening degree of the shockproof spring in the vibrator is enhanced, the shockproof effect is reduced, and the stability of the switch cabinet body is improved; in addition, the balancing weight has reduced the cubical switchboard body focus, has improved the stability of cubical switchboard body.
The invention and its embodiments have been described above schematically, without limitation, and the drawings illustrate only one embodiment of the invention and the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical scheme are not creatively devised without departing from the gist of the present invention, and all the structural manners and the embodiment are considered to be within the protection scope of the present invention.
Claims (6)
1. An adaptive protective switchgear, comprising: the switch cabinet comprises a switch cabinet body (1), a blowing mechanism (2), a filtering dustproof mechanism (3), an air adjusting mechanism (4), a shockproof mechanism (5) and a control box (8);
the switch cabinet body (1) comprises: the first cabinet body (11), the second cabinet body (12) and the third cabinet body (13); the first cabinet body (11), the second cabinet body (12) and the third cabinet body (13) are arranged in the switch cabinet body (1) in parallel;
the air blowing mechanism (2) is arranged at the side part of the switch cabinet body (1) and is fixedly connected with the switch cabinet body (1);
the air adjusting mechanism (4) is arranged at the lower part of the switch cabinet body (1) and connected with the bottom of the switch cabinet body (1), and respectively performs blast switching control on the first cabinet body (11), the second cabinet body (12) and the third cabinet body (13);
the filtering dustproof mechanism (3) is arranged between the air blowing mechanism (2) and the air adjusting mechanism (4), and is used for carrying out dustproof filtering on air blown by the air blowing mechanism (2) and sending the air into the air adjusting mechanism (4);
the shockproof mechanism (5) is arranged at the lower part of the switch cabinet body (1), is fixedly connected with the switch cabinet body (1) and is used for releasing the vibration of the switch cabinet body (1);
further comprises: the infrared thermometer (6) is respectively arranged in the first cabinet body (11), the second cabinet body (12) and the third cabinet body (13) and is electrically connected with the control box (8); the vibration monitor (7) is arranged in the switch cabinet body (1) and is electrically connected with the control box (8);
the blower mechanism (2) includes: the protective cover (21) is arranged at the side part of the switch cabinet body (1) and is fixedly connected with the side part of the switch cabinet body (1); the blower main body (22) is arranged in the protective cover (21) and is fixedly connected with the protective cover (21); the air collecting pipe (23) is arranged in the protective cover (21), one end of the air collecting pipe is connected with the inlet part of the blower main body (22), and the other end of the air collecting pipe extends out of the lower part of the protective cover (21); an air supply pipe (24) arranged at the lower part of the protective cover (21), one end of the air supply pipe is connected with the outlet part of the blower main body (22), and the other end of the air supply pipe extends out of the lower part of the protective cover (21);
the filtering dust-proof mechanism (3) comprises: the middle parts of the upper side and the lower side of the shell (31) are provided with openings, namely an air inlet (311) and an air outlet (312) of the filtering dustproof mechanism (3); the connecting cover (32) is arranged at the air inlet (311) of the shell (31), one end of the connecting cover is connected with the air outlet pipe of the air blowing mechanism (2), and the other end of the connecting cover is connected with the air inlet (311) of the shell (31); the guide rods (33) are symmetrically arranged at the left side and the right side of the shell (31); the sliding sleeve (34) is sleeved on the guide rod (33) and is in sliding connection with the guide rod (33); a return spring (37) which is sleeved on the guide rod (33), the upper end of which is abutted with one side of the air inlet (311) of the shell (31), and the lower end of which is abutted with the upper end of the sliding sleeve (34); the middle part of the mounting plate (35) is hollowed out, the mounting plate is vertically arranged with the guide rod (33), and the two sides of the mounting plate are fixedly connected with the sliding sleeve (34) respectively; the filter disc (36) is movably arranged at the hollow part in the middle of the mounting plate (35); the magnet block (381) is arranged on one side of the mounting plate (35) facing the air outlet (312) and is fixedly connected with the mounting plate (35); the electromagnet (382) is arranged on one side of the air outlet (312) of the shell (31), is fixedly connected with the inner wall of the shell (31) and is electrically connected with the control box (8), and the polarities of the magnetic poles of the adjacent positions of the electromagnet (382) and the magnet block (381) are the same; the sliding power connection device (39) is arranged at the side part of the shell (31) and is electrically connected with the control box (8);
the width of the filter sheet (36) is larger than the width of an air outlet (312) of the shell (31);
the sliding power receiving device (39) includes: the electric screw rod (391) is arranged on one side of the shell (31), fixedly connected with the shell (31), and arranged in parallel with the partition plate and electrically connected with the control box (8); the sliding block (392) is an insulator and is arranged on the electric screw rod (391) and is in threaded driving connection with the electric screw rod (391); the first limit switch (393) is arranged on one side of the upper sliding block (392) of the electric screw rod (391); the second limit switch (394) is arranged on the other side of the upper sliding block (392) of the electric screw rod (391); the metal contact (395) is arranged on the sliding block (392), is fixedly connected with the sliding block (392) and is electrically connected with the electromagnet (382); the mounting block (397) is an insulator and is symmetrically arranged at the position, opposite to the sliding block (392), of the metal contact (395) and is fixedly connected with the shell (31); a conductive plate (396) disposed on the surface of the mounting block (397) and electrically connected to the electromagnet (382);
the metal contact (395) and the conductive plate (396) form a sliding switch and are connected in series with the electrical circuit of the electromagnet (382).
2. An adaptive protective switchgear as claimed in claim 1, wherein:
a heat dissipation channel (14) is arranged above the switch cabinet body (1), is fixedly connected with the upper part of the switch cabinet, and is communicated with a heat dissipation hole (15) arranged at the upper part of the switch cabinet body (1);
the first cabinet body (11) is provided with components with smaller heating value; the second cabinet body (12) is provided with components with moderate heating value; and the third cabinet body (13) is provided with components with larger heating value.
3. An adaptive protective switchgear as claimed in claim 2, wherein:
the air adjusting mechanism (4) comprises: the first air outlet pipe (401) is arranged below the first cabinet body (11), and the upper end of the first air outlet pipe is communicated with the bottom of the first cabinet body (11); the first electric control air quantity regulating valve (404) is arranged below the first air outlet pipe (401), and the upper end of the first electric control air quantity regulating valve is connected with the lower end of the first air outlet pipe (401); the second air outlet pipe (402) is arranged below the second cabinet body (12), and the upper end of the second air outlet pipe is communicated with the bottom of the second cabinet body (12); the second electric control air quantity regulating valve (405) is arranged below the second air outlet pipe (402), and the upper end of the second electric control air quantity regulating valve is connected with the lower end of the second air outlet pipe (402); the third air outlet pipe (403) is arranged below the third cabinet body (13), and the upper end of the third air outlet pipe is communicated with the bottom of the third cabinet body (13); the third electric control air quantity regulating valve (406) is arranged below the third air outlet pipe (403), and the upper end of the third electric control air quantity regulating valve is connected with the lower end of the third air outlet pipe (403); the first pipe joint (410) is specifically an L-shaped two-way joint, is arranged below the first cabinet body (11), and the upper end of the first pipe joint is connected with the lower end of the first electric control air quantity regulating valve (404); the second pipe joint (411) is in particular a three-way joint, is arranged below the second cabinet body (12), the upper end of the second pipe joint is connected with the lower end of the second electric control air quantity regulating valve (405), and the left side end of the second pipe joint is connected with the right side end of the first pipe joint (410); the third pipe joint (412), in particular a three-way joint, is arranged below the third cabinet body (13), the upper end of the third pipe joint is connected with the third electric control air quantity regulating valve (406), the left side end of the third pipe joint is connected with the right side end of the second pipe joint (411), and the right side end of the third pipe joint is connected with the air blowing mechanism (2);
further comprises: the first connecting pipe (407) is arranged between the first pipe joint (410) and the second pipe joint (411), one end of the first connecting pipe is connected with the right side end of the first pipe joint (410), and the other end of the first connecting pipe is connected with the left side end of the second pipe joint (411); the second connecting pipe (408) is arranged between the second pipe joint (411) and the third pipe joint (412), one end of the second connecting pipe is connected with the right side end of the second pipe joint (411), and the other end of the second connecting pipe is connected with the left side end of the third pipe joint (412); and a third connecting pipe (409) arranged between the third pipe joint (412) and the air blowing mechanism (2), one end of the third connecting pipe is connected with the right side end of the third pipe joint (412), and the other end of the third connecting pipe is connected with the air blowing mechanism (2).
4. An adaptive protective switchgear as claimed in claim 3, wherein:
the first connecting pipe (407) is larger than the pipe diameter of the first air outlet pipe (401); the square of the pipe diameter of the second connecting pipe (408) is larger than the sum of squares of the pipe diameters of the first air outlet pipe (401) and the second air outlet pipe (402); the square of the pipe diameter of the third connecting pipe (409) is larger than the sum of squares of the pipe diameters of the first air outlet pipe (401), the second air outlet pipe (402) and the third air outlet pipe (403);
the first air outlet pipe (401), the second air outlet pipe (402) and the third air outlet pipe (403) are soft pipes;
the first connecting pipe (407), the second connecting pipe (408) and the third connecting pipe (409) are hard pipes.
5. An adaptive protective switchgear as claimed in claim 4, wherein:
further comprises: the semiconductor refrigerating sheet is arranged in the switch cabinet body (1), is connected with components in the switch cabinet body (1), and is electrically connected with the control box (8).
6. An adaptive protective switchgear as claimed in claim 5, wherein:
the vibration-proof mechanism (5) comprises: a base (51) with an opening at the upper part and matched with the switch cabinet body (1); the balancing weight (52) is arranged at the lower part of the switch cabinet body (1), fixedly connected with the switch cabinet body (1) and matched with the base (51); the shock absorbers (53) are arranged below the balancing weights (52), and the upper ends of the shock absorbers are in butt joint with the balancing weights (52) and are fixedly connected with the lower parts of the balancing weights (52); the electric push rods (54) are arranged below the corresponding shock absorbers (53), the upper ends of the electric push rods are in butt joint with the shock absorbers (53), the lower ends of the electric push rods are in butt joint with the inner wall of the base (51), and the two ends of the electric push rods are fixedly connected with the lower parts of the shock absorbers (53) and the inner wall of the base (51) respectively;
further comprises: the first limiting baffle tables (55) are symmetrically arranged at the opening of the upper part of the base (51) and fixedly connected with the upper part of the base (51); the second limiting baffle (56) is arranged at the lower part of the balancing weight (52) and is fixedly connected with the balancing weight (52); the upper surface of the second limiting baffle table (56) is abutted with the lower surface of the first limiting baffle table (55);
the shock absorber (53) includes: the gaskets (531) are symmetrically arranged at two ends of the shock absorber (53) and are respectively fixedly connected with the lower part of the balancing weight (52) and the upper part of the electric push rod (54); the telescopic rod (532) is arranged between the two gaskets (531) of the same shock absorber (53), and two ends of the telescopic rod are fixedly connected with the two gaskets (531) respectively; and the damping spring (533) is sleeved on the telescopic rod (532), and two ends of the damping spring are respectively abutted with the two gaskets (531).
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| CN202210092368.XA CN114221242B (en) | 2022-01-26 | 2022-01-26 | Self-adaptive protective switch cabinet and working method thereof |
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| CN202210092368.XA CN114221242B (en) | 2022-01-26 | 2022-01-26 | Self-adaptive protective switch cabinet and working method thereof |
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| CN114221242B true CN114221242B (en) | 2023-12-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115296190B (en) * | 2022-10-09 | 2023-01-06 | 黑龙江德恩电力集团有限公司 | A heat-dissipation power distribution cabinet for automated control |
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| CN114221242A (en) | 2022-03-22 |
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Effective date of registration: 20231122 Address after: 241000 Fanchang Economic Development Zone, Fanchang County, Wuhu City, Anhui Province Applicant after: Anhui Wuhai Power Technology Co.,Ltd. Address before: 221000 Xinglong Street, Xuzhou, Jiangsu Applicant before: Xiang Chunjiang |
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