CN112531524B - Electric power secondary protection device - Google Patents
Electric power secondary protection device Download PDFInfo
- Publication number
- CN112531524B CN112531524B CN202011398632.XA CN202011398632A CN112531524B CN 112531524 B CN112531524 B CN 112531524B CN 202011398632 A CN202011398632 A CN 202011398632A CN 112531524 B CN112531524 B CN 112531524B
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- Prior art keywords
- plate
- inner cover
- cabinet
- protection device
- electric power
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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
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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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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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
- H02B1/54—Anti-seismic devices or installations
Abstract
The invention discloses an electric power secondary protection device, comprising: the temperature control device comprises an inner cover, wherein the top of the inner cover is provided with a base, the bottom of the base is provided with a main control computer, the main control computer is provided with a temperature sensor and is electrically connected with the temperature sensor, the top of the base is respectively provided with a hot air blower and a cold air blower, and the hot air blower and the cold air blower are respectively electrically connected with the temperature sensor; a temperature control chamber arranged outside the inner cover; the cabinet shell is arranged outside the temperature control chamber, the bottom of the cabinet shell is provided with a bottom plate, and the bottom of the bottom plate is provided with an assembly plate; and install the concrete foundation block in the assembly plate bottom, the middle part of concrete foundation block is offered and is used for carrying out the notes wall of watering that prevents collapsing the protection to the wiring district, is equipped with in the notes wall of watering and is used for drawing the cable chamber of location to the electric wire in the cabinet. The electric power secondary protection device has the function of automatically controlling the temperature so as to detect and regulate the temperature in the cabinet; the structure is simple, and the windproof and anti-seismic structure has good windproof and anti-seismic effects.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an electric power secondary protection device.
Background
In the prior art, when various faults and abnormalities occur in an electric power system, a secondary protection cabinet of the electric power system carries out rapid analysis through various relay protection devices, judges the location and the nature of the faults, and utilizes a breaker to rapidly cut off the faults according to preset parameters so as to ensure the safe operation of a power grid.
Traditional secondary protection cabinet is when using, and mounting structure's leakproofness is not good, and the antidetonation effect is prevent wind in the influence, and orderliness, fastness and the humidity resistance that the cable is connected are poor, influence electric power system's steady transmission of electricity operation, and cloth possesses the automatic temperature control function in order to detect and the temperature in the regulation and control cabinet, simultaneously, does not possess the heating function and leads to can not defrosting and the protection of preventing frostbite, has influenced secondary protection cabinet's use.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electric power secondary protection device which has the function of automatically controlling the temperature so as to detect and regulate the temperature in a cabinet; the structure is simple, and the windproof and anti-seismic structure has good windproof and anti-seismic effects.
In order to solve the above technical problem, the present invention provides an electric power secondary protection device, including: the temperature control device comprises an inner cover, wherein the top of the inner cover is provided with a base, the bottom of the base is provided with a main control computer, the main control computer is provided with a temperature sensor and is electrically connected with the temperature sensor, the top of the base is respectively provided with a hot air blower and a cold air blower, and the hot air blower and the cold air blower are respectively electrically connected with the temperature sensor; a temperature control chamber arranged outside the inner cover; the cabinet shell is arranged outside the temperature control chamber, the bottom of the cabinet shell is provided with a bottom plate, and the bottom of the bottom plate is provided with an assembly plate; and install the concrete foundation block in the assembly plate bottom, the wall is watered in the notes that is used for carrying out the protection of preventing collapsing to the wiring district is offered at the middle part of concrete foundation block, waters the wall equipment in the notes and is equipped with the cable chamber that is used for pulling the location to electric wire in the cabinet, wherein: the bottom of the inner cover, the temperature control chamber and the cabinet shell, the upper surface and the lower surface of the bottom plate and the assembly plate are provided with line concentration cavities corresponding to the cable cavities; the main control machine is used for receiving the detection signal transmitted by the temperature sensor and matching with a temperature control module arranged in the main control machine to detect and adjust the temperature in the electric power secondary protection device cabinet; a pad plate is welded in the pouring wall, a pressure plate is arranged on the top surface of the pad plate in a sliding mode, pull rings are welded on the top surface of the pressure plate, and a plurality of groups of lead grooves are uniformly formed in the pressure plate; the upper part of the pad disc is provided with a wiring cavity corresponding to the position of the lead wire groove, the bottom surface of the pressure plate is provided with a sealing sleeve corresponding to the position of the lead wire groove, and the sealing sleeve is in through connection with the pad disc through the wiring cavity.
Wherein, a slot is arranged at the position of the bottom of the inner cover corresponding to the wire concentration cavity; the outside of the wire collecting cavity is provided with an insulating sleeve which is arranged between the concrete base block and the assembling plate.
Wherein, the top of concrete foundation block has seted up the pole chamber, and the bottom surface of assembly plate position all around sets up the guide arm with pole chamber position looks adaptation, through the assembly in guide arm and pole chamber, the assembly plate assembly is on concrete foundation block.
Wherein, a bolt is arranged between the assembly plate and the concrete foundation block.
Wherein, still include: and the inner cover is coated outside the aluminum alloy frame.
Wherein, the front side of cabinet shell dress is equipped with the cabinet door, and the cabinet door facial make-up is equipped with the data plate, and the top surface welding of cabinet shell has the roof, has evenly installed rings on the roof.
The hot air blower and the cold air blower are horizontally arranged and respectively movably penetrate through the top of the inner cover.
The heat transfer pipe is fixedly connected with the inner cover, and convection grooves are respectively formed in the edge positions and the top position of two sides of the inner cover.
The implementation of the electric power secondary protection device of the invention has the following beneficial effects: electric power secondary protection device: the temperature control device comprises an inner cover, wherein the top of the inner cover is provided with a base, the bottom of the base is provided with a main control computer, the main control computer is provided with a temperature sensor and is electrically connected with the temperature sensor, the top of the base is respectively provided with a hot air blower and a cold air blower, and the hot air blower and the cold air blower are respectively electrically connected with the temperature sensor; a temperature control chamber arranged outside the inner cover; the cabinet shell is arranged outside the temperature control chamber, the bottom of the cabinet shell is provided with a bottom plate, and the bottom of the bottom plate is provided with an assembly plate; the cable collecting cavity is arranged at the upper surface and the lower surface of the inner cover, the temperature control chamber, the bottom of the cabinet shell, the bottom plate and the assembly plate; the main control machine receives the detection signal transmitted by the temperature sensor, and the temperature in the electric power secondary protection device cabinet is detected and adjusted by matching with a temperature control module arranged in the main control machine, so that the main control machine has the function of automatically controlling the temperature to detect and adjust the temperature in the cabinet; the structure is simple, and the windproof and anti-seismic structure has good windproof and anti-seismic effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic front view of an electric power secondary protection device according to an embodiment of the present invention.
Fig. 2 is a schematic partial structure diagram of an electric power secondary protection device according to an embodiment of the present invention.
Fig. 3 is an enlarged top view of a portion a shown in fig. 2 according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional structure diagram of an electric power secondary protection device according to an embodiment of the present invention.
Fig. 5 is a schematic cross-sectional structure diagram of an electric power secondary protection device according to an embodiment of the present invention.
Fig. 6 is an enlarged view of a portion B shown in fig. 4 according to an embodiment of the present invention.
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.
Fig. 1 to 6 show a first embodiment of the secondary power protection device according to the present invention.
The electric power secondary protection device in this embodiment includes: the inner cover 23, the top of the inner cover 23 is equipped with the base 25, the bottom of the base 25 is equipped with the main control computer 26, the main control computer 26 is equipped with the temperature sensor 27, the main control computer 26 is connected with the temperature sensor 27 electrically, the top of the base 25 is equipped with the hot-air blower 28 and the cold-air blower 29 separately, the hot-air blower 28 and the cold-air blower 29 are connected with the temperature sensor 27 electrically separately; a temperature control chamber 30 provided outside the inner cover 23; a cabinet shell 1 arranged outside the temperature control chamber 30, wherein the bottom of the cabinet shell 1 is provided with a bottom plate 6, and the bottom of the bottom plate 6 is provided with an assembly plate 7; and
install the concrete foundation block 10 in the assembly plate 7 bottom, the wall 15 is watered in the notes that is used for carrying out the protection of preventing collapsing to the wiring district is offered at the middle part of concrete foundation block 10, is equipped with in the wall 15 of watering in the notes and is used for drawing the cable chamber 14 of location to electric wire in the cabinet, wherein: the inner cover 23, the temperature control chamber 30, the bottom of the cabinet shell 1, the bottom plate 6 and the upper and lower surfaces of the assembly plate 7 are provided with wire concentration cavities 8 corresponding to the cable cavities; wherein:
the main control machine 26 detects and adjusts the temperature in the electric power secondary protection device cabinet by receiving the detection signal transmitted by the temperature sensor 27 and matching with a temperature control module arranged in the main control machine 26.
Furthermore, a slot 24 is arranged at the bottom of the inner cover 23 corresponding to the position of the line concentration cavity 8; an insulating sleeve 9 is arranged outside the wire collecting cavity 8, and the insulating sleeve 9 is arranged between the concrete base block 10 and the assembly plate 7.
The mounting plate 7 functions as: is arranged between the cabinet body and the load-carrying structure to provide connection positioning. The insulating sleeve 9 has the functions of: the packing is sealed between the cabinet body and the load structure, and the sealing effect of the mounting structure of the protection cabinet is improved.
The function of the line concentration cavity 8 is: a cable concentration channel is provided, so that the connection between the electric wire and the cable laid on the ground is realized, the casting wall 15 is coated outside the cable cavity 14, the anti-collapse protection effect of the wiring area is enhanced,
when the concrete implementation, the lower surface welding of cabinet shell 1 has bottom plate 6, the fixed surface of bottom plate 6 installs assembly plate 7, and the bottom of cabinet shell 1, the same set of line concentration chamber 8 has been seted up between the upper and lower surface intermediate position of bottom plate 6 and assembly plate 7, the lower surface of assembly plate 7 is provided with concrete base block 10, the cable chamber 14 corresponding with line concentration chamber 8 has been seted up between the upper and lower surface position of concrete base block 10, and the fixed surface of concrete base block 10 installs and pours wall 15 into, the fixed surface of inner wall rear side position of cabinet shell 1 installs aluminum alloy frame 22, and the inside of cabinet shell 1 is provided with inner cover 23, the fixed surface of inner wall top intermediate position of inner cover 23 installs base 25, and the fixed surface of base 25 installs master control machine 26, the antetheca fixed mounting of master control machine 26 has temperature sensor 27.
Further, a pad 16 is welded in the cast wall 15, a pressure plate 17 is slidably installed on the top surface of the pad 16, a pull ring 18 is welded on the top surface of the pressure plate 17, and a plurality of groups of lead grooves 19 are uniformly formed in the pressure plate 17.
Furthermore, a wiring cavity 20 corresponding to the position of the lead groove 19 is formed on the pad 16, a sealing sleeve 21 corresponding to the position of the lead groove 19 is arranged on the bottom surface of the pressure plate 17, and the sealing sleeve 21 is connected with the pad 16 through the wiring cavity 20.
Further, a rod cavity 11 is formed in the top of the concrete base block 10, guide rods 12 matched with the rod cavity 11 are formed in the positions of the periphery of the bottom surface of the assembling plate 7, and the assembling plate 7 is assembled on the concrete base block 10 through the assembly of the guide rods 12 and the rod cavity 11.
Further, bolts 13 are installed between the assembly plate 7 and the concrete foundation block 10.
The concrete foundation block 10 functions as: as a bearing body, the guide rods 12 on the periphery are assembled in the concrete base block 10 through the rod cavity 11, so that the fixed area of the protection cabinet is stressed stably. The flexible installation is realized through the connection effect of the bolt 13, and the windproof and anti-seismic effect of the secondary protection cabinet is enhanced.
Further, the front side of cabinet shell 1 is equipped with cabinet door 2, and cabinet door 2 facial make-up is equipped with data plate 3, and the top welding of cabinet shell 1 has roof 4, has evenly installed rings 5 on roof 4.
During the concrete implementation, cabinet door 2's front surface intermediate position fixed mounting has data plate 3, the last skin weld of cabinet shell 1 has roof 4, and the equal fixed mounting in upper surface of roof 4 position all around has rings 5, the outer fixed surface of line concentration chamber 8 installs insulating cover 9, and insulating cover 9 fills between concrete base block 10 and assembly plate 7, rod chamber 11 has all been seted up to the top of concrete base block 10 position all around, and the equal vertical welding in lower surface of assembly plate 7 position all around has guide arm 12 that agrees with mutually with rod chamber 11, four groups of guide arms 12 set up the position all around at cabinet shell 1, threaded connection has bolt 13 between assembly plate 7 and the concrete base block 10.
The pouring wall 15 is coated on the outer surface of the cable cavity 14, a pad 16 is vertically welded between the inner surface of the pouring wall 15, a pressure plate 17 is slidably mounted on the upper surface of the pad 16, the pad 16 and the pressure plate 17 are both arranged inside the cable cavity 14, pull rings 18 are welded in the middle of the front edge and the rear edge of the upper surface of the pressure plate 17, a plurality of groups of lead grooves 19 are uniformly formed between the upper surface and the lower surface of the pressure plate 17, a wiring cavity 20 corresponding to the lead grooves 19 is formed between the upper surface and the lower surface of the pad 16, a sealing sleeve 21 corresponding to the lead grooves 19 is fixedly mounted on the lower surface of the pressure plate 17, the sealing sleeve 21 is vertically movably connected with the pad 16 through the wiring cavity 20, and the outer surface of the inner cover 23 is in contact with the inner surface of the cabinet shell 1.
Further, the method also comprises the following steps: the aluminum alloy frame 22 and the inner cover 23 are coated outside the aluminum alloy frame 22.
The functions of the components in the cast wall 15 are: the location of drawing of bottom cable is provided through wiring chamber 20 on the rim plate 16, lead wire groove 19 on the cooperation pressure disk 17 provides the location of drawing of electric wire in the cabinet, consolidate in wiring chamber 20 through pressing down pressure disk 17 to seal cover 21 packing, the orderliness that the reinforcing cable is connected, fastness and humidity resistance, guarantee electric power system's steady transmission of electricity operation, pull ring 18 is convenient to be used the loading and unloading of pressure disk 17, aluminum alloy frame 22 is installed in cabinet shell 1, the erection bracing of each circuit structure in the cabinet is provided.
Further, a hot air blower 28 and a cold air blower 29 are horizontally disposed, and the hot air blower 28 and the cold air blower 29 are movably disposed through the top of the inner cover 23.
Furthermore, the temperature control chamber 30 is filled with a heat transfer pipe 31, the heat transfer pipe 31 is fixedly connected with the inner cover 23, and the inner cover 23 is provided with convection grooves 32 at the two side edges and the top.
In specific implementation, the inner cover 23 covers the aluminum alloy frame 22, and the bottom of the inner cover 23 is provided with a slot 24 corresponding to the line concentration cavity 8. Wherein: the inner cover 23, which serves as an inner cover, covers the outside of the circuit structure and provides a lead passage at the bottom through the slot 24.
The input of main control computer 26 and external power source's output electric connection, and temperature sensor 27's input and main control computer 26's output electric connection, same group's temperature control room 30 has been seted up between the outer wall of inner cover 23 position all around, the top fixed mounting of base 25 has air heater 28 and air-cooler 29, the input of air heater 28 and air-cooler 29 all with temperature sensor 27's output electric connection, air heater 28 and air-cooler 29 level set up, and the equal activity of air heater 28 and air-cooler 29 runs through and installs the top position at inner cover 23, the intussuseption of temperature control room 30 is filled with heat-transfer pipe 31, and heat-transfer pipe 31 and inner cover 23 fixed connection, convection groove 32 has all been seted up to the antetheca both sides border position and the antetheca top intermediate position of inner cover 23, and convection groove 32 and temperature control room 30 are corresponding.
When the secondary power protection device in this embodiment is specifically implemented, a passage is provided by opening and closing the cabinet door 2 so as to facilitate installation and maintenance of the power structure installed in the cabinet housing 1. The main control computer 26 is through receiving the detected signal that temperature sensor 27 carried, temperature control module in the cooperation main control computer 26 is in order to realize detecting and the interior temperature of regulation and control cabinet, realize automatic temperature control operation, temperature control room 30 provides the change of heat convection space in order to realize the cabinet temperature, air heater 28 and air-cooler 29 are as intensification and cooling drive assembly respectively, main control computer 26 control bloates steam or air conditioning, heat-transfer pipe 31 increase heat transfer area in the cooperation temperature control room 30 is in order to improve heat transfer efficiency, gaseous 32 bloated realization through the convection current groove that is located the front side are to the regulation of cabinet inner space, make the protection cabinet possess the heating function, can defrost and freeze protection.
The implementation of the electric power secondary protection device of the invention has the following beneficial effects: the power secondary protection device includes: the temperature control device comprises an inner cover, wherein the top of the inner cover is provided with a base, the bottom of the base is provided with a main control computer, the main control computer is provided with a temperature sensor and is electrically connected with the temperature sensor, the top of the base is respectively provided with a hot air blower and a cold air blower, and the hot air blower and the cold air blower are respectively electrically connected with the temperature sensor; a temperature control chamber arranged outside the inner cover; the cabinet shell is arranged outside the temperature control chamber, the bottom of the cabinet shell is provided with a bottom plate, and the bottom of the bottom plate is provided with an assembly plate; the cable collecting cavity is arranged at the upper surface and the lower surface of the inner cover, the bottom of the temperature control chamber and the cabinet shell, the bottom plate and the upper surface and the lower surface of the assembling plate; the main control computer detects and adjusts the temperature in the electric power secondary protection device cabinet by receiving the detection signal transmitted by the temperature sensor and matching with a temperature control module arranged in the main control computer, and has the function of automatically controlling the temperature to detect and adjust the temperature in the cabinet.
The electric power secondary protection device disclosed by the invention is simple in structure, good in sealing property, and excellent in wind and shock resistance, the orderliness, the firmness and the moisture resistance of cable connection are enhanced, the stable power transmission operation of an electric power system is ensured, the automatic temperature control function is realized to detect and regulate the temperature in a cabinet, and meanwhile, the heating function is realized, and defrosting and anti-freezing protection can be performed.
Claims (8)
1. An electric power secondary protection device characterized by comprising:
the temperature control device comprises an inner cover, wherein the top of the inner cover is provided with a base, the bottom of the base is provided with a main control computer, the main control computer is provided with a temperature sensor and electrically connected with the temperature sensor, the top of the base is respectively provided with a hot air blower and an air cooler, and the hot air blower and the air cooler are respectively electrically connected with the temperature sensor;
a temperature control chamber installed outside the inner cover;
the cabinet shell is arranged outside the temperature control chamber, a bottom plate is arranged at the bottom of the cabinet shell, and an assembly plate is arranged at the bottom of the bottom plate; and
install the concrete foundation block of assembly plate bottom, the wall is watered in the notes that is used for carrying out the protection of preventing collapsing to the wiring district is offered at the middle part of concrete foundation block the wall facial make-up is watered in the notes is equipped with and is used for pulling the cable chamber of location to electric wire in the cabinet, wherein: the bottom parts of the inner cover, the temperature control chamber and the cabinet shell, the upper surface and the lower surface of the bottom plate and the assembly plate are provided with line concentration cavities corresponding to the cable cavities; wherein:
the main control computer is used for receiving the detection signal transmitted by the temperature sensor and matching with a temperature control module arranged in the main control computer to detect and regulate the temperature in the electric power secondary protection device cabinet;
a pad plate is welded in the casting wall, a pressure plate is arranged on the top surface of the pad plate in a sliding mode, pull rings are welded on the top surface of the pressure plate, and a plurality of groups of lead grooves are uniformly formed in the pressure plate; the wire leading device is characterized in that a wiring cavity corresponding to the position of the wire leading groove is formed in the pad, a sealing sleeve corresponding to the position of the wire leading groove is arranged on the bottom surface of the pressure plate, and the sealing sleeve is in penetrating connection with the pad through the wiring cavity.
2. The secondary electric power protection device as claimed in claim 1, wherein a slot is formed at a position of the bottom of the inner cover corresponding to the line concentration chamber;
and an insulating sleeve is arranged outside the wire concentration cavity and is arranged between the concrete base block and the assembling plate.
3. An electric power secondary protection device as claimed in claim 1, wherein a rod cavity is formed at the top of the concrete base block, guide rods adapted to the rod cavity are formed around the bottom surface of the assembly plate, and the assembly plate is assembled on the concrete base block by assembling the guide rods and the rod cavity.
4. An electric power secondary protection device according to claim 3, wherein bolts are installed between said mounting plate and said concrete base block.
5. The electric power secondary protection device according to claim 1, further comprising: the aluminum alloy frame, the inner cover cladding is in the outside of aluminum alloy frame.
6. The secondary power protection device as claimed in claim 1, wherein a cabinet door is installed at the front side of the cabinet housing, a nameplate is installed on the cabinet door, a top plate is welded to the top surface of the cabinet housing, and the top plate is uniformly provided with hanging rings.
7. The secondary protection device for electric power of claim 1, wherein the hot air blower and the cold air blower are horizontally arranged, and the hot air blower and the cold air blower are respectively movably installed on the top of the inner cover in a penetrating manner.
8. The electric power secondary protection device according to claim 1, wherein a heat transfer pipe is filled in the temperature control chamber, the heat transfer pipe is fixedly connected with the inner cover, and convection grooves are respectively formed at two side edge positions and a top position of the inner cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011398632.XA CN112531524B (en) | 2020-12-04 | 2020-12-04 | Electric power secondary protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011398632.XA CN112531524B (en) | 2020-12-04 | 2020-12-04 | Electric power secondary protection device |
Publications (2)
| Publication Number | Publication Date |
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| CN112531524A CN112531524A (en) | 2021-03-19 |
| CN112531524B true CN112531524B (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011398632.XA Active CN112531524B (en) | 2020-12-04 | 2020-12-04 | Electric power secondary protection device |
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| CN (1) | CN112531524B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115189222B (en) * | 2022-09-08 | 2022-12-20 | 北京融为科技有限公司 | Laser transceiver with high-reliability temperature control structure and optical telescope |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5245131A (en) * | 1992-03-27 | 1993-09-14 | At&T Bell Laboratories | Cabinets having improved cable entrance seal |
| DE102010013313B4 (en) * | 2010-03-29 | 2020-07-02 | R. Stahl Schaltgeräte GmbH | Housing with an extended ambient temperature range |
| CN107978972A (en) * | 2016-10-25 | 2018-05-01 | 镇江港诚电力设备有限公司 | A kind of thermostatically controlled high-low voltage electricity distribution cubicle switchboard |
| CN108233195A (en) * | 2016-12-09 | 2018-06-29 | 蔡利英 | Outdoor antitheft power distribution cabinet |
| CN110829209A (en) * | 2019-11-25 | 2020-02-21 | 贵州西南工具(集团)有限公司 | Automatic temperature control machine tool electrical control cabinet |
| CN111613992A (en) * | 2020-06-01 | 2020-09-01 | 国网山东省电力公司龙口市供电公司 | Automatic control box for power distribution network |
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2020
- 2020-12-04 CN CN202011398632.XA patent/CN112531524B/en active Active
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| CN112531524A (en) | 2021-03-19 |
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