CN214592343U - Fireproof electrical cabinet for civil buildings - Google Patents
Fireproof electrical cabinet for civil buildings Download PDFInfo
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- CN214592343U CN214592343U CN202120701039.1U CN202120701039U CN214592343U CN 214592343 U CN214592343 U CN 214592343U CN 202120701039 U CN202120701039 U CN 202120701039U CN 214592343 U CN214592343 U CN 214592343U
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Abstract
The utility model relates to a regulator cubicle technical field, especially a civil construction fire prevention regulator cubicle, the intelligent cabinet temperature adjusting device comprises a cabinet body, two division boards of the inside fixedly connected with of the cabinet body, the both sides fixedly connected with fire alarm inductor of the cabinet body, the equal fixedly connected with dry powder fire extinguisher in both sides of internal wall of cabinet, the exhaust hole has all been seted up to the both sides at cabinet body top, the electric wire mouth has been seted up at the middle part of cabinet body rear side. The utility model has the advantages that: under the normal condition, the rotor plate is closed will exhaust the hole and seal in the fluting under the effect of torsion reset spring and gravity, fire condition inductor control dry powder fire extinguisher starts when taking place the fire, to inside injection dry powder and the carbon dioxide of regulator cubicle, carbon dioxide density is greater than the air, the carbon dioxide sinks and upwards crowds the air, the internal portion atmospheric pressure of cabinet is greater than the external world and backs down the rotor plate and get rid of the cabinet body with the air, and get rid of the cabinet body with the carbon dioxide from the exhaust hole after the cabinet body is filled with the carbon dioxide, thereby the stretching of the fire condition around the separation cabinet body.
Description
Technical Field
The utility model relates to an electrical cabinet technical field, especially a civil architecture fire prevention regulator cubicle.
Background
The electrical cabinet is a cabinet which is processed by steel materials and used for protecting components from working normally. The electrical cabinet manufacturing materials are generally divided into hot rolled steel plates and cold rolled steel plates. The cause of fire may be: the conductor is overheated and it is normal that the conductor generates heat due to the flow of current. The electrical equipment which is correctly designed, installed, debugged and normally maintained and overhauled has the maximum temperature and temperature rise which cannot exceed the allowable range, and is determined by the insulation grade and the heat dissipation and ventilation conditions or the climate conditions. However, when any of these conditions is not met, the heat generated by the conductor increases, the temperature rises, and the heat cannot be dissipated, so that the insulation of the equipment is burned out, and a fire or explosion occurs. Spark arc, the breaking or closing of a switch element, the spark or arc generated by the friction contact of a brush, the plugging and unplugging of a plug pin and the like are normal and allowed under normal environmental conditions, but in a dangerous environment where fire and explosion can happen, an explosion-proof electric appliance is required to be adopted to isolate the spark arc from the external dangerous environment without fire or explosion. However, spark arcs occurring when electrical equipment or lines are short-circuited or grounded, flashovers occurring when insulation is damaged, sparks generated by loosening of connection portions of lead buses, arc light generated by fusing of fuses, sparks generated by collision of a motor stator and a rotor sweeping chamber or sparks generated by mutual friction collision of other electrical transmission components, and the like are abnormal and are not allowed in any environment, and appropriate protection measures must be taken to eliminate the abnormal arcs or sparks, otherwise, the abnormal arcs or sparks are dangerous and may cause fire or explosion.
The existing fireproof electrical cabinet for civil buildings has the following defects: the existing electric cabinet is easy to explode when a fire hazard occurs, and has poor separation effect on the spread of the fire outside the electric cabinet.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a civil architecture fire prevention regulator cubicle, effectively solved prior art not enough.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a civil construction fire prevention regulator cubicle, includes the cabinet body, two division boards of inside fixedly connected with of the cabinet body, the both sides fixedly connected with fire alarm inductor of the cabinet body, the equal fixedly connected with dry powder fire extinguisher in the both sides of internal wall of cabinet, the exhaust hole has all been seted up to the both sides at cabinet body top, the electric wire mouth has been seted up at the middle part of cabinet body rear side.
It is optional, two a plurality of through-holes have all been seted up on the division board, the wire casing has been seted up in the center department of cabinet body rear side, the wire casing runs through two division boards, the electric wire mouth is seted up at the middle part of wire casing, utilizes the through-hole to make the three space UNICOM that the internal partition board of cabinet separated out, when the conflagration breaing out, dry powder fire extinguisher spun dry powder and carbon dioxide can be full of whole cabinet body, guarantee that the internal portion of cabinet can not be stretched by the condition of a fire to guarantee the safety of the internal electrical apparatus of cabinet, avoid the electrical apparatus explosion to arouse bigger loss, the electric wire of being connected with electrical apparatus passes through the electric wire mouth and gets into the internal portion of cabinet, and be connected with corresponding electrical apparatus in getting into each space that the division board was cut apart through the wire casing, make the internal wiring of cabinet more clear.
Optionally, four sides of the outside of the wire port are fixedly connected with the clamping pieces, the outside of the wire port is fixedly connected with the protective ring, the inner diameter of one end of the protective ring is fixedly connected with the silica gel ring, the clamping pieces are made of alloy spring steel, the inner side of the clamping piece box contracts, the inner diameter of the silica gel ring wraps the outer side of one end of each of the four clamping pieces, the electric wire is inserted into the cabinet body from the wire hole, the electric wire is clamped and fixed by the four clamping pieces, the protective ring and the silica gel ring are arranged on the outer side of the clamping pieces, the clamping pieces and the electric wire can be wrapped inside the protective ring, the wire port and the gap between the outer side of the protective ring and the outer side of the silica gel ring are sealed, the situation of fire is prevented from spreading from the wire port into the cabinet body under the condition of fire, the inner diameter of the silica gel ring can deform and contract, the sealing performance is ensured by always fitting with the inner diameter of the silica gel ring under the condition that different electric wires are fixed in the clamping pieces, and the silica gel has better high temperature resistance performance, can effectively prevent the fire from spreading.
Optionally, a plurality of louvres have been seted up to the both sides of the cabinet body, a plurality of dust screens of inside fixedly connected with of louvre, the top fixedly connected with guard plate of louvre, at the internal electrical apparatus normal operating of cabinet, the thermovent can be even with the internal heat discharge of cabinet, makes internal temperature of cabinet keep invariable, avoids because overheated emergence condition of a fire, and the dust screen can reduce the external dust debris of cabinet etc. and get into inside from the louvre, and the guard plate can avoid mainly that the debris of liquid gets into the cabinet from the top of louvre is internal.
Optionally, the cabinet body including the glass magnesium PLASTIC LAMINATED, the outside fixedly connected with fire protection coating of glass magnesium PLASTIC LAMINATED, equal fixedly connected with fire protection coating on the inboard and the dust screen of louvre, glass magnesium PLASTIC LAMINATED has better heat resistance, can bear higher temperature separation condition of a fire when taking place the condition of a fire, and fire protection coating can meet the outside parcel separation condition of a fire with the cabinet body of fire inflation, and can seal the louvre after the fire protection coating inflation to with whole cabinet body sealing, effectively prevent the condition of a fire to stretch the inside of the cabinet body.
Optionally, a slot is formed in the outer side of the exhaust hole, the depth of the slot is half of the thickness of the cabinet body, a rotating plate is rotatably connected to the top of the slot, the slot is matched with the shape and specification of the rotating plate, a torsion reset spring is sleeved on the outer diameter of a rotating shaft connected with the slot and the rotating plate, the fire alarm sensor is electrically connected with the dry powder fire extinguisher, the rotating plate is closed in the slot under the action of the torsion reset spring and gravity to seal the exhaust hole under normal state, when fire occurs, the fire sensor controls the dry powder fire extinguisher to start, dry powder and carbon dioxide are sprayed into the electric cabinet, the density of the carbon dioxide is greater than that of the air, the carbon dioxide sinks to expel the air upwards, the air pressure in the cabinet body is greater than that of the outside to push the rotating plate open to expel the air out of the cabinet body, and the carbon dioxide is expelled from the exhaust hole after the cabinet body is filled with the carbon dioxide, thereby obstructing the spread of fire around the cabinet body.
The utility model has the advantages of it is following:
1. the fireproof electric cabinet for civil buildings is characterized in that a wire port and a protective ring with a silica gel ring are arranged on one side of a cabinet body, an electric wire is inserted into the cabinet body from the wire hole, the electric wire is clamped and fixed by four clamping pieces, the protective ring and the silica gel ring are arranged on the outer sides of the clamping pieces and can wrap the clamping pieces and the electric wire inside, a gap between the wire port and the outside is sealed, fire is prevented from spreading into the cabinet body from the wire port under the condition of fire, the inner diameter of the silica gel ring can deform and shrink, the sealing performance is ensured by being always attached to the inner diameter of the silica gel ring under the condition that different electric wires are fixed in the clamping pieces, the silica gel has better high-temperature resistance performance, the fire can be effectively prevented from spreading, three spaces separated from a partition board in the cabinet body are communicated by utilizing through holes, and when the fire occurs, dry powder and carbon dioxide sprayed by a dry powder fire extinguisher can be fully filled in the whole cabinet body, so as to ensure that the inside of the cabinet body can not be spread by the fire, thereby guarantee the safety of the internal electrical apparatus of cabinet, avoid the electrical apparatus explosion to arouse bigger loss, the electric wire of being connected with the electrical apparatus gets into the internal portion of cabinet through the wire mouth, and be connected with corresponding electrical apparatus in getting into each space that the division board was cut apart through the wire casing, make the internal wiring of cabinet clearer, when the internal electrical apparatus of cabinet normally operates, the heat dissipation mouth can be even with the internal heat discharge of cabinet, make the internal temperature of cabinet keep invariable, avoid taking place the condition of a fire because overheated, the dust screen can reduce the external dust debris of cabinet etc. and get into inside from the louvre, the guard plate can avoid mainly that the debris of liquid gets into the cabinet from the top of louvre internal.
2. The fireproof electric cabinet for civil buildings is characterized in that the exhaust holes are formed in the top of the cabinet body, the rotating plate is closed in the grooves under the action of the torsion reset spring and gravity to seal the exhaust holes under normal state, when fire occurs, the fire sensor controls the dry powder fire extinguisher to start, dry powder and carbon dioxide are sprayed into the electric cabinet, the density of the carbon dioxide is higher than that of air, the carbon dioxide sinks to squeeze the air upwards, the air pressure in the cabinet body is higher than that in the outside to push the rotating plate open to remove the air from the cabinet body, the carbon dioxide is removed from the exhaust holes after the cabinet body is filled with the carbon dioxide, so that the spread of the fire around the cabinet body is blocked, the glass magnesium fireproof plate has better heat resistance, can bear higher temperature to block the fire when the fire occurs, the fireproof coating can expand to wrap the outside of the cabinet body to block the fire, and the heat dissipation holes can be closed after the fireproof coating expands, thereby sealing the whole cabinet body and effectively preventing the fire from spreading to the inside of the cabinet body.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;
fig. 4 is a schematic view of a partial sectional structure of the cabinet body 1 of the present invention;
FIG. 5 is a schematic sectional view of the present invention;
fig. 6 is an enlarged schematic view of the structure of fig. 5 at C according to the present invention.
In the figure: 1-cabinet body, 101-glass magnesium fireproof plate, 102-fireproof coating, 2-partition plate, 3-fire alarm inductor, 4-dry powder fire extinguisher, 5-exhaust hole, 6-wire port, 7-through hole, 8-wire groove, 9-clamping piece, 10-protective ring, 11-silica gel ring, 12-heat dissipation hole, 13-dustproof net, 14-protective plate, 15-slotting and 16-rotating plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 to 6, a civil building fire prevention regulator cubicle, it includes the cabinet body 1, two division boards 2 of the inside fixedly connected with of the cabinet body 1, fire alarm inductor 3 of both sides fixedly connected with of the cabinet body 1, the equal fixedly connected with dry powder fire extinguisher 4 in both sides of the 1 inner wall of cabinet body, exhaust hole 5 has all been seted up to the both sides at the 1 top of the cabinet body, wire mouth 6 has been seted up at the middle part of the 1 rear side of the cabinet body.
As an optional technical solution of the utility model: a plurality of through-holes 7 have all been seted up on two division boards 2, wire casing 8 has been seted up at the center department of the 1 rear side of the cabinet body, wire casing 8 runs through two division boards 2, wire mouth 6 is seted up at the middle part of wire casing 8, utilize through-hole 7 to make the three space UNICOM that the internal division board 2 of cabinet separated out, when the conflagration breaing out, dry powder fire extinguisher 4 spun dry powder and carbon dioxide can be full of whole cabinet body 1, guarantee that the internal portion of cabinet can not be stretched by the condition of a fire, thereby guarantee the safety of the internal electrical apparatus of cabinet 1, avoid the electrical apparatus explosion to arouse bigger loss, the electric wire of being connected with electrical apparatus passes through wire mouth 6 and gets into the internal portion of cabinet, and be connected with corresponding electrical apparatus in getting into each space that division board 2 was cut apart through wire casing 8, make the internal wiring of cabinet more clear.
As an optional technical solution of the utility model: the four sides of the outside of the electric wire port 6 are fixedly connected with the clamping pieces 9, the outside of the electric wire port 6 is fixedly connected with the protective ring 10, the inner diameter of one end of the protective ring 10 is fixedly connected with the silica gel ring 11, the material of the clamping pieces 9 is alloy spring steel, the inner side of the clamping pieces 9 is contracted, the inner diameter of the silica gel ring 11 is wrapped on the outer sides of one ends of the four clamping pieces 9, the electric wire is inserted into the cabinet body from the electric wire hole 6 and is clamped and fixed by the four clamping pieces 9, the protective ring 10 and the silica gel ring 11 are arranged on the outer sides of the clamping pieces 9 and can wrap the clamping pieces 9 and the electric wire inside, a gap between the electric wire port 6 and the outside is sealed, the phenomenon that the fire condition spreads into the cabinet body 1 from the electric wire port 6 under the condition of fire occurrence is avoided, the inner diameter of the silica gel ring 11 can deform and contract, the sealing performance is ensured by being always attached to the inner diameter of the silica gel ring 11 under the condition that different electric wires are fixed in the clamping pieces 9, and the silica gel has better high temperature resistance performance, can effectively prevent the fire from spreading.
As an optional technical solution of the utility model: a plurality of louvres 12 have been seted up to the both sides of the cabinet body 1, a plurality of dust screens 13 of inside fixedly connected with of louvre 12, the top fixedly connected with guard plate 14 of louvre 12, when the internal electrical apparatus of the cabinet is in normal operating, the internal heat of cabinet is discharged even can be with the thermovent 12 to the thermovent 12, make the internal temperature of the cabinet body 1 keep invariable, avoid because overheated emergence condition of a fire, inside dust screen 13 can reduce the dust debris etc. outside the cabinet body 1 and get into from louvre 12, guard plate 14 can avoid mainly be that the debris of liquid get into the cabinet body 1 from the top of louvre 12.
As an optional technical solution of the utility model: cabinet body 1 including glass magnesium PLASTIC LAMINATED 101, the outside fixedly connected with fire protection coating 102 of glass magnesium PLASTIC LAMINATED 101, equal fixedly connected with fire protection coating 102 on the inboard of louvre 12 and dust screen 13, glass magnesium PLASTIC LAMINATED 101 has better heat resistance, can bear higher temperature separation condition of a fire when taking place the condition of a fire, fire protection coating 102 can meet the outside parcel separation condition of a fire with the cabinet body 1 of fire inflation condition of a fire, and can seal louvre 12 after fire protection coating 102 inflation, thereby it is sealed with whole cabinet body 1, effectively prevent the condition of a fire to stretch the inside of the cabinet body 1.
As an optional technical solution of the utility model: the outer side of the exhaust hole 5 is provided with a slot 15, the depth of the slot 15 is half of the thickness of the cabinet body 1, the top of the slot 15 is rotatably connected with a rotating plate 16, the slot 15 is matched with the shape and specification of the rotating plate 16, a torsion reset spring is sleeved on the outer diameter of a rotating shaft connecting the slot 15 and the rotating plate 16, the fire alarm sensor 3 is electrically connected with the dry powder fire extinguisher 4, under the normal state, the rotating plate 16 is closed in the slot 15 under the action of the torsion reset spring and gravity to seal the exhaust hole 5, when a fire occurs, the fire sensor 3 controls the dry powder fire extinguisher 3 to start to spray dry powder and carbon dioxide into the electric cabinet, the density of the carbon dioxide is greater than that of air, the carbon dioxide sinks to expel the air upwards, the air pressure in the cabinet body 1 is greater than that of the outside to open the rotating plate 16 to expel the air from the cabinet body, and the carbon dioxide is expelled from the exhaust hole 5 after the cabinet body 1 is filled with the carbon dioxide, thereby obstructing the spread of fire around the cabinet 1.
The working process of the utility model is as follows:
s1, starting the dry powder fire extinguisher 4 by the fire sensor 3 after the fire occurs, and sealing the heat dissipation hole 12 by the expansion of the fireproof coating 102;
s2, the rotating plate 16 is flushed by air pressure to discharge air and carbon dioxide, and the fire outside the cabinet body 1 is prevented from spreading.
In summary, the following steps: the fireproof electric cabinet for civil buildings is characterized in that a wire port 6 and a protective ring 10 with a silica gel ring 11 are arranged on one side of a cabinet body 1, electric wires are inserted into the cabinet body from the wire port 6, the electric wires are clamped and fixed by four clamping pieces 9, the protective ring 10 and the silica gel ring 11 are arranged on the outer sides of the clamping pieces 9 and can wrap the clamping pieces 9 and the electric wires inside, a gap between the wire port 6 and the outside is sealed, the situation of fire is prevented from spreading into the cabinet body 1 from the wire port 6 under the condition of fire, the inner diameter of the silica gel ring 11 can deform and shrink, the sealing performance is ensured by being always attached to the inner diameter of the silica gel ring 11 under the condition that different electric wires are fixed in the clamping pieces 9, the silica gel has better high temperature resistance, the situation of fire can be effectively prevented from spreading, three spaces separated by partition plates 2 in the cabinet body 1 are communicated by utilizing through holes 7, when fire occurs, dry powder sprayed by a dry powder fire extinguisher 4 can be filled in the whole cabinet body 1, the internal part of the cabinet body 1 is ensured not to be spread by fire, so that the safety of the electric appliances in the cabinet body 1 is ensured, and the greater loss caused by the explosion of the electric appliances is avoided, electric wires connected with the electric appliances enter the internal part of the cabinet body through the wire ports 6 and enter each space divided by the partition plate 2 through the wire grooves 8 to be connected with the corresponding electric appliances, so that the wiring in the cabinet body 1 is clearer, when the electric appliances in the cabinet body 1 normally run, the heat in the cabinet body can be discharged through the heat dissipation ports 12, the temperature in the cabinet body 1 is kept constant, the fire caused by overheating is avoided, the dust screen 13 can reduce dust, sundries and the like outside the cabinet body 1 from entering the internal part of the cabinet body from the heat dissipation holes 12, and the protection plate 14 can prevent the sundries which are mainly liquid from entering the cabinet body 1 from the upper part of the heat dissipation holes 12; the exhaust hole 5 is arranged at the top of the cabinet body 1, under the normal state, the rotating plate 16 is closed in the groove 15 under the action of the torsion reset spring and gravity to seal the exhaust hole 5, when a fire occurs, the fire sensor 3 controls the dry powder fire extinguisher 3 to start, dry powder and carbon dioxide are sprayed into the electric cabinet, the density of the carbon dioxide is greater than that of air, the carbon dioxide sinks to expel the air upwards, the air pressure in the cabinet body 1 is greater than that of the outside to open the rotating plate 16 to expel the air out of the cabinet body, and the carbon dioxide is expelled from the exhaust hole 5 out of the cabinet body 1 after the cabinet body 1 is filled with the carbon dioxide, so that the spread of the fire around the cabinet body 1 is blocked, the glass magnesium fireproof plate 101 has good heat resistance and can bear high temperature blocking fire when the fire occurs, the fireproof heat dissipation hole coating 102 can be expanded to wrap the outside of the cabinet body 1 to block the fire, and the fireproof coating 102 can be sealed after being expanded, thereby sealing the whole cabinet body 1 and effectively preventing the fire from spreading to the inside of the cabinet body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a civil architecture fire prevention regulator cubicle which characterized in that: the fire alarm cabinet comprises a cabinet body (1), two partition plates (2) fixedly connected with the inside of the cabinet body (1), fire alarm sensors (3) fixedly connected with the two sides of the cabinet body (1), dry powder fire extinguishers (4) fixedly connected with the two sides of the inner wall of the cabinet body (1), exhaust holes (5) are formed in the two sides of the top of the cabinet body (1), and a wire port (6) is formed in the middle of the rear side of the cabinet body (1).
2. The fire-proof electrical cabinet for civil buildings according to claim 1, characterized in that: two all seted up a plurality of through-holes (7) on division board (2), wire casing (8) have been seted up in the center department of the cabinet body (1) rear side, wire casing (8) run through two division boards (2), the middle part at wire casing (8) is seted up in electric wire mouth (6).
3. The fire-proof electrical cabinet for civil buildings according to claim 1, characterized in that: the novel wire port is characterized in that clamping pieces (9) are fixedly connected to four sides of the outer portion of the wire port (6), a protective ring (10) is fixedly connected to the outer side of the wire port (6), a silica gel ring (11) is fixedly connected to the inner diameter of one end of the protective ring (10), the clamping pieces (9) are made of alloy spring steel, the clamping pieces (9) shrink in the box inner side, and the inner diameter of the silica gel ring (11) wraps the outer sides of one ends of the four clamping pieces (9).
4. The fire-proof electrical cabinet for civil buildings according to claim 1, characterized in that: a plurality of heat dissipation holes (12) are formed in the two sides of the cabinet body (1), a plurality of dust screens (13) are fixedly connected to the inside of the heat dissipation holes (12), and protection plates (14) are fixedly connected to the upper portions of the heat dissipation holes (12).
5. The fire-proof electrical cabinet for civil buildings according to claim 4, characterized in that: the cabinet body (1) comprises a glass magnesium fireproof plate (101), the outer portion of the glass magnesium fireproof plate (101) is fixedly connected with a fireproof coating (102), and the inner side of each heat dissipation hole (12) and the dustproof net (13) are fixedly connected with the fireproof coating (102).
6. The fire-proof electrical cabinet for civil buildings according to claim 1, characterized in that: fluting (15) has been seted up in the outside of exhaust hole (5), the degree of depth of fluting (15) is half of the cabinet body (1) thickness, the top of fluting (15) is rotated and is connected with rotor plate (16), the shape and specification looks adaptation of fluting (15) and rotor plate (16), the external diameter of the pivot that fluting (15) and rotor plate (16) are connected has cup jointed torsion reset spring, fire alarm inductor (3) and dry powder fire extinguisher (4) electric connection.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120701039.1U CN214592343U (en) | 2021-04-07 | 2021-04-07 | Fireproof electrical cabinet for civil buildings |
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CN202120701039.1U CN214592343U (en) | 2021-04-07 | 2021-04-07 | Fireproof electrical cabinet for civil buildings |
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CN214592343U true CN214592343U (en) | 2021-11-02 |
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CN202120701039.1U Expired - Fee Related CN214592343U (en) | 2021-04-07 | 2021-04-07 | Fireproof electrical cabinet for civil buildings |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114256769A (en) * | 2021-12-31 | 2022-03-29 | 泰山科学技术研究院 | High-low voltage switch device with protective performance |
CN115337574A (en) * | 2022-07-12 | 2022-11-15 | 广州硕鑫网络科技有限公司 | Intelligent charging cabinet based on infrared temperature sensing function |
CN117122847A (en) * | 2023-08-17 | 2023-11-28 | 中建三局集团有限公司 | Building construction safety monitoring device and monitoring method thereof |
-
2021
- 2021-04-07 CN CN202120701039.1U patent/CN214592343U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114256769A (en) * | 2021-12-31 | 2022-03-29 | 泰山科学技术研究院 | High-low voltage switch device with protective performance |
CN114256769B (en) * | 2021-12-31 | 2022-07-12 | 泰山科学技术研究院 | High-low voltage switch device with protective performance |
CN115337574A (en) * | 2022-07-12 | 2022-11-15 | 广州硕鑫网络科技有限公司 | Intelligent charging cabinet based on infrared temperature sensing function |
CN117122847A (en) * | 2023-08-17 | 2023-11-28 | 中建三局集团有限公司 | Building construction safety monitoring device and monitoring method thereof |
CN117122847B (en) * | 2023-08-17 | 2024-02-13 | 中建三局集团有限公司 | Building construction safety monitoring device and monitoring method thereof |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
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