CN113270771A - Moisture-proof type power strip convenient to carry and provided with cable winding structure - Google Patents
Moisture-proof type power strip convenient to carry and provided with cable winding structure Download PDFInfo
- Publication number
- CN113270771A CN113270771A CN202110540197.8A CN202110540197A CN113270771A CN 113270771 A CN113270771 A CN 113270771A CN 202110540197 A CN202110540197 A CN 202110540197A CN 113270771 A CN113270771 A CN 113270771A
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- Prior art keywords
- flame
- retardant
- cover plate
- fire
- retardant cover
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- 238000004804 winding Methods 0.000 title claims abstract description 70
- 239000003063 flame retardant Substances 0.000 claims abstract description 132
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000003825 pressing Methods 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000772991 Aira Species 0.000 description 1
- 208000013935 Electric injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/72—Means for accommodating flexible lead within the holder
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5213—Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/527—Flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6691—Structural association with built-in electrical component with built-in electronic circuit with built-in signalling means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00309—Overheat or overtemperature protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention provides a portable moisture-proof power strip with a cable winding structure, which comprises a shell; the shell body is of a square structure, locking mechanisms are fixedly mounted on two sides of the shell, and a load-carrying mechanism is fixedly mounted on the inner side of the shell; the protective covers are arranged in two groups and are arranged at the top end of the shell through a rotating shaft; the flame-retardant carrier plate is fixedly arranged inside the shell; the electrified plug-in is fixedly arranged inside the flame-retardant carrier plate; the load-carrying top plate is fixedly arranged at the bottom of the load-carrying mechanism; the electrified circuit is wound at the bottom of the load-bearing top plate, and the tail end of the electrified circuit is connected with the electrified plug-in; the load roof shifts up under return spring's drive, and inside protecting the casing with the cable storage of rolling, make things convenient for the device to hand-carry and save, prevent simultaneously that artificial factor from resulting in the cable to damage, influence the life of device.
Description
Technical Field
The invention belongs to the technical field of charging power strip, and particularly relates to a portable moisture-proof power strip with a cable winding structure.
Background
The socket is a multi-position socket with wires, also called a patch board, a schoolname wire lengthening assembly or an extension wire socket. A strip refers to a multi-position receptacle that has a power cord and a plug and that can be moved. More than one power plug can be connected, so that the single power supply can be conveniently expanded, and a plurality of devices can use the same power supply.
If the application number is: in CN202022111047.9, an intelligent socket is disclosed, which comprises: a conductive component; a USB component; be provided with electrically conductive subassembly matched with fixing base in the casing respectively, it is configured to include: a base; an upper cover and a shielding plate; the shielding plate is provided with a trapezoidal clamping block which extends upwards to seal the jack, and the upper surface of the clamping block is configured to be inclined; the two sides of the shielding plate extend to form sliding blocks, and step-shaped sliding ends matched with the sliding blocks are arranged on the opposite side edges of the base. The invention provides an intelligent extension socket which is simple in structure, high in safety performance and long in service life.
Based on the aforesaid, current row of inserting single structure does not possess reasonable cable rolling and stores the mechanism, when idle storage and transportation, the cable scatters easily and twines article around, and is inconvenient to hand-carry the device, and the usability is lower, and the cable does not carry out the rolling simultaneously, and the cable receives the human factor damage easily when idle, influences life.
Disclosure of Invention
In order to solve the technical problems, the invention provides a portable moisture-proof power strip with a cable winding structure, which aims to solve the problems that the existing power strip is single in structure and does not have a reasonable cable winding storage mechanism, when the power strip is stored and transported in an idle mode, cables are easy to scatter and wind around objects, the power strip is inconvenient to carry around, the usability is low, meanwhile, the cables are not wound, and the cables are easy to be damaged by human factors when the power strip is not used, so that the service life is influenced.
The invention relates to a portable moisture-proof power strip with a cable winding structure, which has the purpose and the effect and is achieved by the following specific technical means:
a portable moisture-proof power strip with a cable winding structure comprises a shell;
the shell body is of a square structure, locking mechanisms are fixedly mounted on two sides of the shell, and a load-carrying mechanism is fixedly mounted on the inner side of the shell;
the protective covers are arranged in two groups and are arranged at the top end of the shell through a rotating shaft;
the flame-retardant carrier plate is fixedly arranged inside the shell;
the electrified plug-in is fixedly arranged inside the flame-retardant carrier plate;
the load-carrying top plate is fixedly arranged at the bottom of the load-carrying mechanism;
and the electrified circuit is wound at the bottom of the load-bearing top plate, and the tail end of the electrified circuit is connected with the electrified plug-in.
Further, the housing further includes:
the four groups of fixed blocks are arranged, and the fixed blocks are arranged on two sides of the top end of the shell;
the spring locking pieces are provided with four groups and are arranged on two sides of the top end of the shell;
the lifting handle is arranged on one side of the shell;
and four groups of supporting pieces are arranged on the supporting pieces, and the supporting pieces are arranged on the other side of the shell.
Further, the locking mechanism includes:
the locking piece, the locking piece is provided with two sets of, and the locking piece main part is "U" font structure.
Further, the locking member includes:
the main body of the movable column is of a cylindrical structure, and the movable column is arranged on the inner side in the middle of the locking piece;
the return spring is arranged at one end of the outer side of the movable column;
fixed protruding, fixed protruding integral type sets up in activity post end, and fixed protruding cross sectional shape is circular structure.
Further, the load mechanism includes:
the loading blocks are provided with four groups, and the main section of each loading block is of an equilateral triangle structure.
Further, the load-carrying block includes:
the sliding column is fixedly arranged at the bottom of the weight bearing block, and the main body of the sliding column is of a cylindrical structure;
the return spring is arranged at the bottom end of the outer side of the sliding column;
spacing protruding, spacing protruding installation is in the sliding column bottom, and spacing protruding cross sectional shape is circular structure.
Further, the flame retardant carrier plate further comprises:
the mounting lugs are arranged in four groups, the mounting lugs are integrally arranged on two sides of the flame-retardant carrier plate, and the main body of each mounting lug is of a tetrahedral structure;
the mounting bin is integrally arranged at the top of the flame-retardant carrier plate;
the flame-retardant cover plate is arranged at the top of the installation bin through a rotating shaft;
the preset hole is formed in the bottom of the installation bin, the cross section of the preset hole is of a circular structure, and the size of the preset hole is consistent with that of the electrified circuit.
Further, the load roof further includes:
the winding column is integrally arranged at the bottom of the load-bearing top plate, the main body structure of the winding column is a cylindrical structure with two ends higher than the middle, and an electrified circuit is wound and supported on the outer side of the winding column;
two groups of through holes are arranged, one group of through holes are formed in the top of the winding column, the other group of through holes are formed in the top end of one side of the winding column, the cross section of each through hole is of a circular structure, and the size of each through hole is consistent with that of the electrified circuit;
the bearing plate is fixedly arranged at the bottom of the winding column;
the supporting holding pieces are arranged in two groups, and the supporting holding pieces are integrally arranged at the bottom of the bearing plate.
Further, the load roof further includes: the straight-bar rotating rod is arranged in the winding column and fixedly connected with the winding column, and the upper end of the straight-bar rotating rod extends out of the top end of the winding column and is rotatably connected with the through hole;
the row is inserted to dampproofing formula with cable winding structure still includes the automatic winding subassembly, the automatic winding subassembly is located in the rolling post, the automatic winding subassembly includes:
the ratchet wheel is sleeved on the outer wall of the straight rod rotating rod and is fixedly connected with the straight rod rotating rod;
the first fixing block and the second fixing block are fixedly connected through a compression spring;
the pressing rod penetrates through the inner wall of the lower end of the winding column and is connected with the inner wall of the lower end of the winding column in a vertically sliding mode, and one end, extending out of the winding column, of the pressing rod is fixedly connected with the pressing head;
the pressing rod penetrates through the first limiting sheet and the second limiting sheet and is fixedly connected with the first limiting sheet and the second limiting sheet;
the rotating rod is arranged on the outer wall of the pressing rod between the first limiting sheet and the first limiting sheet;
the left end of the first rotating arm is rotationally connected with the rotating rod, and the right end of the first rotating arm is rotationally connected with the lower end of the second rotating arm;
the special-shaped limiting rod is provided with a notch at one end, the upper end of the second rotating arm is spherical and is arranged in the notch, the upper end of the second rotating arm can rotate in the notch, and the torsional spring is wound at the other end of the special-shaped limiting rod;
the locking rod is rotatably connected with the special-shaped limiting rod through an articulated shaft, a torsional spring is sleeved on the articulated shaft and can limit the rotating angle of the locking rod, and the right end of the locking rod is matched with the ratchet on the outer surface of the ratchet wheel;
and the clockwork spring is arranged between the outer wall of the straight rod rotating rod and the ratchet wheel.
Further, the method also comprises the following steps: the temperature sensor I is arranged on the outer surface of the flame-retardant cover plate and used for detecting the temperature of the flame-retardant cover plate;
the temperature sensor II is arranged on the outer surface of the electrified plug-in and is used for detecting the temperature in a space formed by the flame-retardant cover plate and the electrified plug-in after the flame-retardant cover plate is closed;
the first humidity sensor is arranged on the outer surface of the flame-retardant cover plate and used for detecting the humidity of the contact surface of the flame-retardant cover plate and air;
the humidity sensor II is arranged on the outer surface of the electrified plug-in and is used for detecting the humidity in a space formed by the flame-retardant cover plate and the electrified plug-in after the flame-retardant cover plate is closed;
the counter is arranged at the flame-retardant carrier plate and used for detecting the using times of the electrified plug-in the flame-retardant carrier plate;
the controller, the alarm, the controller, the alarm setting is in the casing, the controller respectively with counter, temperature sensor one, temperature sensor two, humidity transducer one, humidity transducer two, alarm electric connection, the controller is based on counter, temperature sensor one, temperature sensor two, humidity transducer one, humidity transducer two control alarm work includes:
step 1: the controller obtains the fireproof performance coefficient of the material of the flame-retardant cover plate exposed to different temperature and humidity environments for a long time based on the first temperature sensor, the second temperature sensor, the first humidity sensor, the second humidity sensor and the formula (1):
wherein tau is the fireproof performance coefficient of the material of the flame-retardant cover plate exposed to different temperature and humidity environments for a long time; s1The area of the flame-retardant cover plate in contact with air; l is1Is that it isThe length of the fire retardant cover plate; l is2Is the thickness of the flame retardant cover plate; t is room temperature; t is1The detected value of the first temperature sensor is obtained; t is2The detected value of the second temperature sensor is obtained; c1The specific heat capacity of the flame-retardant cover plate; c2Is the specific heat capacity of air at standard atmospheric pressure; theta1A detection value of the humidity sensor is obtained; theta2The detected value of the humidity sensor II is obtained; theta is a preset indoor humidity,
is the poisson's ratio of the flame retardant cover plate material;
step 2: based on the step 1, calculating the fire-retardant cover plate fire-retardant coefficient critical point coefficient through the counter and a formula (2):
wherein gamma is the fire-retardant coefficient critical point coefficient of the fire-retardant cover plate;
is the heat transfer coefficient of the flame-retardant cover plate;
is the heat transfer coefficient of the shell; α is the heat release rate of the shell; beta is a preset heat transfer rate increase coefficient between the shell and the air; theta is the preset thermal impedance of the flame-retardant cover plate material; x is the detection value of the counter; e is a natural constant, and the value is 2.72;
step three: the controller compares the fire-retardant cover plate fire-retardant coefficient critical point coefficient with a fire-retardant coefficient critical point coefficient preset by the fire-retardant cover plate, and when the difference value between the fire-retardant cover plate fire-retardant coefficient critical point coefficient and the fire-retardant cover plate fire-retardant coefficient critical point coefficient exceeds a preset value, the controller controls an alarm to give an alarm.
The invention at least comprises the following beneficial effects:
1. according to the invention, the locking piece is arranged, the locking piece can lock the downward-moving load-bearing top plate, so that a cable can be drawn out for use, the winding column winds the cable when the cable is idle, the position limit of the locking piece is released, the load-bearing top plate moves upwards under the driving of the return spring, the wound cable is stored and protected in the shell, the device is convenient to carry and store, and meanwhile, the cable is prevented from being damaged due to artificial factors, and the service life of the device is prevented from being influenced.
2. According to the invention, by arranging the bearing plate, the bearing plate can support the device main body while supporting the winding cable, so that the device is prevented from directly contacting the ground, and the corrosion damage of internal parts and components of the device caused by the fact that accumulated water on the ground is damped can be prevented, and the service life of the device is influenced.
3. According to the invention, the load-bearing block is arranged, the load-bearing top plate is fixedly arranged at the bottom of the load-bearing block, the sliding column, the return spring and the limiting protrusion are matched, so that the load-bearing top plate can slide up and down at a certain distance, and the load-bearing top plate, the winding column and the bearing plate are matched, so that a cable can be wound, and the problem that the cable cannot be wound by the conventional socket is solved.
4. According to the invention, the shell is arranged, the shell is matched with the protective cover, the device is sealed when the device is idle, dust is prevented from entering the device and accumulating on metal parts, so that the resistance is raised, the device generates potential safety hazards in use, meanwhile, the flame-retardant support plate flame-retardant cover plate is matched, an idle electrified plug-in is protected when the device is used, and surrounding personnel are prevented from mistakenly touching the electrified plug-in to cause electric shock and injury.
Drawings
Fig. 1 is a main body front view structure diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the main body of the present invention.
Fig. 3 is a schematic sectional structure of the main body of the present invention.
Fig. 4 is a schematic structural diagram of the flame retardant carrier plate of the present invention.
Fig. 5 is a schematic view of the load carrying roof of the present invention.
Fig. 6 is a schematic view of the load carrying roof of the present invention.
FIG. 7 is a schematic view of the circuit of the present invention.
Fig. 8 is a schematic front sectional view of a winding post of the present invention.
Fig. 9 is a schematic top view of the winding post of the present invention.
Fig. 10 is a schematic diagram of the internal structure of the automatic rolling assembly of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a housing;
101. a fixed block; 102. a spring lock; 103. a handle; 104. a support member;
2. a protective cover;
3. a locking member;
301. a movable post; 302. a return spring; 303. a fixing protrusion;
4. a weight carrier;
401. a sliding post; 402. a return spring; 403. a limiting protrusion;
5. a flame-retardant carrier plate;
501. mounting a bump; 502. installing a bin; 503. a flame retardant cover plate; 504. presetting holes;
6. a power-on plug-in;
7. a load carrying roof;
701. rolling up the column; 702. a through hole; 703. a bearing plate; 704. a support grip; 705. a pressing head; 706. a straight rod rotating shaft;
8. and (6) electrifying the circuit.
9. An automatic winding assembly; 901. a ratchet wheel; 902. a first fixed block; 903. a second fixed block; 904. a compression spring; 905. a first limiting sheet; 906. a second limiting sheet; 907. a pressing lever; 908. a rotating rod; 909. a first rotation arm; 910. a second rotating arm; 911. a special-shaped limiting rod; 912. a notch; 913. a torsion spring; 914. a locking bar; 915. a clockwork spring; 916. and (4) hinging the shaft.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, and for example, they may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Example (b):
as shown in figures 1 to 5:
the invention provides a portable moisture-proof power strip with a cable winding structure, which comprises a shell 1;
the main body of the shell 1 is of a cube structure, locking mechanisms are fixedly mounted on two sides of the shell 1, and a load-carrying mechanism is fixedly mounted on the inner side of the shell 1;
the protective covers 2 are arranged in two groups, and the protective covers 2 are arranged at the top end of the shell 1 through a rotating shaft;
the flame-retardant carrier plate 5 is fixedly arranged in the shell 1;
the electrified plug-in 6, the electrified plug-in 6 is fixedly arranged inside the flame-retardant carrier plate 5;
the load-carrying top plate 7 is fixedly arranged at the bottom of the load-carrying mechanism;
the electrified line 8 is wound at the bottom of the load-bearing top plate 7, and the tail end of the electrified line 8 is connected with the electrified plug-in 6;
the housing 1 further includes:
the four groups of fixed blocks 101 are arranged, and the fixed blocks 101 are arranged on two sides of the top end of the shell 1;
the spring locking pieces 102, the spring locking pieces 102 are provided with four groups, and the spring locking pieces 102 are arranged at two sides of the top end of the shell 1;
a handle 103, wherein the handle 103 is arranged on one side of the shell 1;
the supporting pieces 104, the supporting pieces 104 are provided with four groups, and the supporting pieces 104 are installed at the other side of the shell 1;
the locking mechanism includes:
two groups of locking pieces 3 are arranged on the locking piece 3, and the main body of the locking piece 3 is of a U-shaped structure;
the load mechanism includes:
the loading blocks 4 are provided with four groups, and the main section of each loading block 4 is in an equilateral triangle structure.
Wherein, the locking piece 3 includes:
the main body of the movable column 301 is a cylindrical structure, and the movable column 301 is arranged at the inner side of the middle of the locking piece 3;
the return spring 302, the return spring 302 is mounted on one end of the outside of the movable column 301;
the fixing protrusion 303, the fixing protrusion 303 is integrally arranged at the tail end of the movable column 301, and the cross section of the fixing protrusion 303 is in a circular structure;
the weight carrier 4 comprises:
the sliding column 401 is fixedly arranged at the bottom of the weight carrier 4, and the main body of the sliding column 401 is of a cylindrical structure;
the return spring 402 is arranged at the bottom end of the outer side of the sliding column 401;
the limiting protrusion 403, the limiting protrusion 403 is installed at the bottom end of the sliding column 401, and the cross section of the limiting protrusion 403 is of a circular structure; through the setting of locking piece 3 and load piece 4, make the device fix spacingly to load roof 7 that the rolling has the cable, make things convenient for the device to hand-carry.
Wherein, load roof 7 still includes:
the winding column 701 is integrally arranged at the bottom of the load-bearing top plate 7, the main structure of the winding column 701 is a cylindrical structure with two ends higher than the middle, and the outer side of the winding column 701 is wound and supported with an electrified circuit 8;
two groups of through holes 702 are arranged, one group of through holes 702 are arranged at the top of the winding column 701, the other group of through holes 702 are arranged at the top end of one side of the winding column 701, the cross section of each through hole 702 is of a circular structure, and the size of each through hole 702 is consistent with that of the electrified circuit 8;
the bearing plate 703, the bearing plate 703 is fixedly mounted on the bottom of the rolling column 701;
two groups of supporting holding pieces 704 are arranged, and the supporting holding pieces 704 are integrally arranged at the bottom of the bearing plate 703; through the setting of rolling up post 701, can be effective reasonable carry out the rolling to the cable, play the guard action to the cable when conveniently carrying, improve the life of device.
Wherein, fire-retardant carrier plate 5 still includes:
the mounting lugs 501 are arranged in four groups, the mounting lugs 501 are integrally arranged on two sides of the flame-retardant carrier plate 5, and the main body of each mounting lug 501 is of a tetrahedral structure;
the mounting bin 502 is integrally arranged at the top of the flame-retardant carrier plate 5;
the flame-retardant cover plate 503 is mounted at the top of the mounting bin 502 through a rotating shaft;
the preset hole 504 is formed in the bottom of the installation bin 502, the cross section of the preset hole 504 is in a circular structure, and the size of the preset hole 504 is consistent with that of the electrified circuit 8; through the setting of fire-retardant support plate 5, make can install multiunit circular telegram plug-in components 6, improve the practicality of device.
In another embodiment, the handle 103, which is used for facilitating movement, can be replaced by a shoulder strap, so that the device can be carried more conveniently, and the practicability of the device is improved.
The specific use mode and function of the embodiment are as follows:
in the invention, when the device is used, the supporting holding piece 704 is held by a hand to pull down the load-bearing top plate 7, when the load-bearing top plate 7 moves downwards to a proper position, the position of the load-bearing top plate 7 is limited by the locking piece 3, then the device is placed to a proper position, the device main body is supported by the two groups of supporting holding pieces 704, the device is prevented from directly contacting the ground, the service life of the device is influenced because the ground accumulated water is wetted, after the device is used, the cable is wound to the outer end of the winding column 701, the position limitation of the locking piece 3 is released, the load-bearing top plate 7 moves upwards under the driving of the return spring 402, the wound cable is stored and protected inside the shell 1, the device is convenient to carry and store, and the damage of the cable caused by human factors is prevented, and the service life of the device is influenced.
Referring to fig. 8-10, an embodiment of the present invention: the load roof 7 further includes: the straight rod rotating rod 706 is arranged in the winding column 701 and fixedly connected with the winding column 701, and the upper end of the straight rod rotating rod 706 extends out of the top end of the winding column 701 and is rotatably connected with the through hole 702;
moisture-proof type row of inserting with cable winding structure still includes automatic winding subassembly 9, automatic winding subassembly 9 is located in the winding post 701, automatic winding subassembly 9 includes:
the ratchet wheel 901 is sleeved on the outer wall of the straight rod rotating rod 706 and fixedly connected with the straight rod rotating rod 706;
the fixing block I902 and the fixing block II 903 are fixedly connected, and the fixing block I902 and the fixing block II 903 are fixedly connected through a compression spring 904;
the pressing rod 907 penetrates through the inner wall of the lower end of the winding column 701 and is connected with the inner wall of the lower end of the winding column 701 in a vertically sliding mode, and one end, extending out of the winding column 701, of the pressing rod 907 is fixedly connected with the pressing head 705;
the pressing rod 907 penetrates through the first limiting piece 905 and the second limiting piece 906 and is fixedly connected with the first limiting piece 905 and the second limiting piece 906;
the rotating rod 908 is arranged on the outer wall of the pressing rod 907 between the first limiting sheet 905 and the first limiting sheet 906;
a first rotating arm 909, wherein the left end of the first rotating arm 909 is rotatably connected with the rotating rod 908, and the right end of the first rotating arm 909 is rotatably connected with the lower end of a second rotating arm 910;
a notch 912 is formed in one end of the special-shaped limiting rod 911, the upper end of the second rotating arm 910 is spherical and is arranged in the notch 912, the upper end of the second rotating arm 910 can rotate in the notch 912, and a torsion spring 913 is wound at the other end of the special-shaped limiting rod 911;
the locking rod 914 is rotatably connected with the special-shaped limiting rod 911 through a hinge shaft 916, a torsion spring 913 is sleeved on the hinge shaft 916, the torsion spring 913 can limit the rotation angle of the locking rod 914, and the right end of the locking rod 914 is matched with the ratchet on the outer surface of the ratchet wheel 901;
and the clockwork spring 915 is arranged between the outer wall of the straight rod rotating rod 706 and the ratchet wheel 901.
The working principle and the beneficial effects of the technical scheme are that when a user draws out the electrified line 8, the cable drives the winding column 701 to rotate, because the straight rod rotating rod 706 is rotatably connected with the through hole 702, and the straight rod rotating rod 706 and the winding column 701 are mutually fixed, the winding column 701 can drive the straight rod rotating rod 706 to rotate by taking the through hole 702 as the center, so as to drive the ratchets around the ratchet wheel 901 to push the locking rod 914, the clockwork spring 915 is also compressed at the same time, when the cable is pulled to a certain required position to stop, the ratchet wheel 901 is immediately braked by the locking rod 914, so that the cable is stopped to the required length, when the user needs to recover the cable, the pressing head 705 is pressed down, the pressing head 705 drives the pressing rod 907 to move upwards, the compression spring is compressed, through the matching of the first rotating arm 904 and the second rotating arm 910, because the spherical end of the second rotating arm 910 can rotate in the end of the special-shaped limiting rod 911 with the notch 912 and can not slip, therefore, the special-shaped limiting rod 911 is pulled for a certain distance, so that the locking rod 914 is separated from the ratchets around the ratchet wheel 901, the acting force of the clockwork spring 915 which returns to the original state drives the straight rod rotating rod 706 to rotate reversely, the winding column 701 rotates reversely while winding the cable on the winding column 701 to complete the automatic recovery of the electrified line 8, the pressing head 705 is loosened after the recovery is completed, the compression spring 904 rebounds to push the locking rod 914 to the ratchets around the ratchet wheel 901 to brake the ratchet wheel 901, and the practicability of the device is improved.
In one embodiment, further comprising: the first temperature sensor is arranged on the outer surface of the flame-retardant cover plate 503 and used for detecting the temperature of the flame-retardant cover plate 503;
the second temperature sensor is arranged on the outer surface of the electrified plug-in unit 6 and used for detecting the temperature in a space formed by the flame-retardant cover plate 503 and the electrified plug-in unit 6 after the flame-retardant cover plate 503 is closed;
the first humidity sensor is arranged on the outer surface of the flame-retardant cover plate 503 and used for detecting the humidity of the air contact surface of the flame-retardant cover plate 503;
the second humidity sensor is arranged on the outer surface of the electrified plug-in unit 6 and used for detecting the humidity in a space formed by the flame-retardant cover plate 503 and the electrified plug-in unit 6 after the flame-retardant cover plate 503 is closed;
the counter is arranged at the flame-retardant carrier plate 5 and used for detecting the using times of the electrified plug-in unit 6 in the flame-retardant carrier plate 5;
the controller, the alarm, the controller, the alarm setting is in the casing 1, the controller respectively with counter, temperature sensor one, temperature sensor two, humidity transducer one, humidity transducer two, alarm electric connection, the controller is based on counter, temperature sensor one, temperature sensor two, humidity transducer one, humidity transducer two control alarm work includes:
step 1: the controller obtains the fire-proof performance coefficient of the material of the fire-retardant cover plate 503 after being exposed to different temperature and humidity environments for a long time based on the first temperature sensor, the second temperature sensor, the first humidity sensor, the second humidity sensor and the formula (1):
wherein τ is the fireproof performance coefficient of the material of the flame-retardant cover plate 503 exposed to different temperatures and humidity environments for a long time; s1The area of the flame-retardant cover plate 503 in contact with air; l is1The length of the fire retardant cover plate 503; l is2Is the thickness of the fire retardant cover plate 503; t is room temperature; t is1The detected value of the first temperature sensor is obtained; t is2The detected value of the second temperature sensor is obtained; c1Is the specific heat capacity of the flame retardant cover plate 503; c2Is the specific heat capacity of air at standard atmospheric pressure; theta1A detection value of the humidity sensor is obtained; theta2The detected value of the humidity sensor II is obtained; theta is a preset indoor humidity,
is the poisson's ratio of the material of the flame-retardant cover plate 503;
step 2: based on the step 1, calculating the fire-retardant coefficient critical point coefficient of the fire-retardant cover plate 503 by the counter and the formula (2):
wherein gamma is the fire-retardant coefficient critical point coefficient of the fire-retardant cover plate 503;
is the heat transfer coefficient of the fire retardant cover plate 503;
is the heat transfer coefficient of the housing 1; α is the heat release rate of the housing 1 in units of: w, i.e. joules/second (taking 50-100W, i.e. the heat released by the combustion of the material of the housing 1 per unit time); beta is a predetermined increase in the rate of heat transfer between the housing 1 and the airA length coefficient (the value is more than 0 and less than 1, and the length of the used time of the shell 1 is related to the influence of the use environment on the shell 1 is related to the consideration); θ is a preset thermal impedance of the material of the flame-retardant cover plate 503, and the unit is:
namely, the thermal resistance of the fire-retardant cover plate 503 in unit area, e is a natural constant, the value is 2.72, and X is the detection value of the counter;
step three: the controller compares the fire-retardant cover plate 503 fire-retardant coefficient critical point coefficient with a fire-retardant coefficient critical point coefficient preset by the fire-retardant cover plate 503, and when the difference between the fire-retardant cover plate 503 fire-retardant coefficient critical point coefficient and the fire-retardant coefficient critical point coefficient preset by the fire-retardant cover plate 503 exceeds a preset value, the controller controls an alarm to give an alarm.
The working principle and the beneficial effects of the technical scheme are as follows: when the fire retardant cover plate 503 is used several times, the temperature and the humidity of the flame-retardant cover plate 503 in the working process are detected by using a first temperature sensor, a second temperature sensor, a first humidity sensor and a second humidity sensor, the controller obtains the fire performance coefficient of the material of the flame-retardant cover plate 503 exposed to different temperature and humidity environments for a long time by using a formula (1) and calculates the fire coefficient critical point coefficient of the flame-retardant cover plate 503 by using a formula (2), when the difference between the fire-retardant coefficient critical point coefficient of the fire-retardant cover plate 503 and the fire-retardant coefficient critical point coefficient preset by the fire-retardant cover plate 503 exceeds a preset value, the controller controls the alarm to give an alarm prompt to remind an operator of detecting the flame-retardant cover plate 503, so that the flame-retardant cover plate 503 is prevented from burning, and the safety and the reliability of the device are improved.
The invention is not described in detail, but is well known to those skilled in the art.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a row is inserted to dampproofing formula that portable has cable rolling structure which characterized in that: comprises a shell (1);
the main body of the shell (1) is of a cube structure, locking mechanisms are fixedly mounted on two sides of the shell (1), and a loading mechanism is fixedly mounted on the inner side of the shell (1);
the protective covers (2) are arranged in two groups, and the protective covers (2) are arranged at the top end of the shell (1) through a rotating shaft;
the flame-retardant carrier plate (5), the flame-retardant carrier plate (5) is fixedly arranged in the shell (1);
the power-on plug-in (6), the power-on plug-in (6) is fixedly arranged in the flame-retardant carrier plate (5);
the load-carrying top plate (7), the load-carrying top plate (7) is fixedly arranged at the bottom of the load-carrying mechanism;
and the power-on circuit (8) is wound at the bottom of the load-carrying top plate (7), and the tail end of the power-on circuit (8) is connected with the power-on plug-in (6).
2. A moisture-proof strip for carrying cables with a cable-rolling structure as in claim 1, wherein said housing (1) further comprises:
the four groups of fixed blocks (101) are arranged, and the fixed blocks (101) are arranged on two sides of the top end of the shell (1);
the spring locking pieces (102) are arranged in four groups, and the spring locking pieces (102) are arranged on two sides of the top end of the shell (1);
the handle (103), the handle (103) is installed on one side of the shell (1);
the support piece (104), support piece (104) are provided with four groups, and support piece (104) are installed in casing (1) other side.
3. A moisture resistant strip for carrying a cable having a cable wrap as in claim 1, wherein said locking mechanism comprises:
the locking piece (3), locking piece (3) are provided with two sets, and locking piece (3) main part is "U" font structure.
4. A moisture protected row of claim 1, adapted to be carried with a cable wrap, wherein the locking member (3) comprises:
the main body of the movable column (301) is of a cylindrical structure, and the movable column (301) is arranged on the inner side of the middle of the locking piece (3);
the return spring (302), the return spring (302) is mounted on one end of the outer side of the movable column (301);
the fixing protrusion (303), the fixing protrusion (303) is integrally arranged at the tail end of the movable column (301), and the cross section of the fixing protrusion (303) is of a circular structure.
5. The moisture resistant strip of claim 1 further characterized in that said load carrying mechanism comprises:
the weight bearing blocks (4) are provided with four groups, and the cross section of the main body of each weight bearing block (4) is in an equilateral triangle structure.
6. A moisture-proof patch panel for carrying with cable wrap according to claim 1, wherein said weight (4) comprises:
the sliding column (401), the sliding column (401) is fixedly installed at the bottom of the weight bearing block (4), and the main body of the sliding column (401) is of a cylindrical structure;
the return spring (402), the return spring (402) is installed at the bottom end of the outer side of the sliding column (401);
spacing protruding (403), spacing protruding (403) are installed in sliding column (401) bottom, and the cross sectional shape of spacing protruding (403) is circular structure.
7. A moisture-proof patch panel for carrying with cable wrap-up as claimed in claim 1, wherein said flame retardant carrier sheet (5) further comprises:
the mounting lugs (501), four groups of the mounting lugs (501) are arranged, the mounting lugs (501) are integrally arranged on two sides of the flame-retardant carrier plate (5), and the main body of each mounting lug (501) is of a tetrahedral structure;
the mounting bin (502), the mounting bin (502) is integrally arranged at the top of the flame-retardant carrier plate (5);
the flame-retardant cover plate (503) is mounted at the top of the mounting bin (502) through a rotating shaft;
the mounting bin is characterized by comprising a preset hole (504), wherein the preset hole (504) is formed in the bottom of the mounting bin (502), the cross section of the preset hole (504) is of a circular structure, and the size of the preset hole (504) is consistent with that of the power-on line (8).
8. The moisture resistant row of claim 1, wherein the load-bearing top panel (7) further comprises:
the winding post (701), the winding post (701) is integrally arranged at the bottom of the load-bearing top plate (7), the main structure of the winding post (701) is a cylindrical structure with two ends higher than the middle, and the outer side of the winding post (701) is wound and supported with a power line (8);
two groups of through holes (702) are arranged, one group of through holes (702) are arranged at the top of the winding column (701), the other group of through holes (702) are arranged at the top end of one side of the winding column (701), the cross section of each through hole (702) is of a circular structure, and the size of each through hole (702) is consistent with that of the power-on line (8);
the bearing plate (703), the bearing plate (703) is fixedly installed on the bottom of the coiling column (701);
the supporting holding pieces (704) are arranged in two groups, and the supporting holding pieces (704) are integrally arranged at the bottom of the bearing plate (703).
9. The moisture resistant strip of claim 8 further comprising a cable wrap around the cable,
the load roof (7) further comprises: the straight rod rotating rod (706) is arranged in the winding column (701) and fixedly connected with the winding column (701), and the upper end of the straight rod rotating rod (706) extends out of the top end of the winding column (701) and is rotatably connected with the through hole (702);
the row is inserted to dampproofing formula with cable winding structure still includes automatic winding subassembly (9), automatic winding subassembly (9) are located in rolling post (701), automatic winding subassembly (9) include:
the ratchet wheel (901), the said ratchet wheel (901) is connected to the outer wall of the said straight-bar rotating lever (706) and fixedly connected with it;
the fixing block I (902) and the fixing block II (903) are fixedly connected through a compression spring (904);
the pressing rod (907) penetrates through the inner wall of the lower end of the winding column (701) and is connected with the inner wall of the lower end of the winding column in a vertical sliding mode, and one end, extending out of the winding column (701), of the pressing rod (907) is fixedly connected with the pressing head (705);
the pressing rod (907) penetrates through the first limiting sheet (905) and the second limiting sheet (906) and is fixedly connected with the first limiting sheet (905) and the second limiting sheet (906);
the rotating rod (908) is arranged on the outer wall of the pressing rod (907) between the first limiting sheet (905) and the first limiting sheet (906);
a first rotating arm (909), wherein the left end of the first rotating arm (909) is rotatably connected with the rotating rod (908), and the right end of the first rotating arm (909) is rotatably connected with the lower end of a second rotating arm (910);
a notch (912) is formed in one end of the special-shaped limiting rod (911), the upper end of the second rotating arm (910) is spherical and is arranged in the notch (912), the upper end of the second rotating arm (910) can rotate in the notch (912), and a torsion spring (913) is wound at the other end of the special-shaped limiting rod (911);
the locking rod (914) is rotatably connected with the special-shaped limiting rod (911) through a hinge shaft (916), the hinge shaft (916) is sleeved with a torsion spring (913), the torsion spring (913) can limit the rotation angle of the locking rod (914), and the right end of the locking rod (914) is matched with the ratchet on the outer surface of the ratchet wheel (901);
the clockwork spring (915) is arranged between the outer wall of the straight rod rotating rod (706) and the ratchet wheel (901).
10. The moisture resistant strip of claim 7 further comprising:
the first temperature sensor is arranged on the outer surface of the flame-retardant cover plate (503) and used for detecting the temperature of the flame-retardant cover plate (503);
the second temperature sensor is arranged on the outer surface of the electrified plug-in (6) and used for detecting the temperature in a space formed by the flame-retardant cover plate (503) and the electrified plug-in (6) after the flame-retardant cover plate (503) is closed;
the first humidity sensor is arranged on the outer surface of the flame-retardant cover plate (503) and used for detecting the humidity of the air contact surface of the flame-retardant cover plate (503);
the second humidity sensor is arranged on the outer surface of the electrified plug-in (6) and used for detecting the humidity in a space formed by the flame-retardant cover plate (503) and the electrified plug-in (6) after the flame-retardant cover plate (503) is closed;
the counter is arranged at the flame-retardant carrier plate (5) and used for detecting the using times of the electrified plug-in (6) in the flame-retardant carrier plate (5);
the controller, the alarm, the controller, the alarm setting is in casing (1), the controller respectively with counter, temperature sensor one, temperature sensor two, humidity transducer one, humidity transducer two, alarm electric connection, the controller is based on counter, temperature sensor one, temperature sensor two, humidity transducer one, humidity transducer two control alarm work includes:
step 1: the controller obtains the fireproof performance coefficient of the material of the flame-retardant cover plate (503) when the flame-retardant cover plate is exposed to different temperature and humidity environments for a long time based on the first temperature sensor, the second temperature sensor, the first humidity sensor, the second humidity sensor and the formula (1):
wherein tau is the material of the flame-retardant cover plate (503) exposed to different temperature and humidity environments for a long timeCoefficient of fire performance of; s1The area of the flame-retardant cover plate (503) in contact with air; l is1Is the length of the fire retardant cover plate (503); l is2Is the thickness of the fire retardant cover plate (503); t is room temperature; t is1The detected value of the first temperature sensor is obtained; t is2The detected value of the second temperature sensor is obtained; c1Is the specific heat capacity of the flame-retardant cover plate (503); c2Is the specific heat capacity of air at standard atmospheric pressure; theta1A detection value of the humidity sensor is obtained; theta2The detected value of the humidity sensor II is obtained; theta is a preset indoor humidity,
is the poisson's ratio of the material of the flame-retardant cover plate (503);
step 2: based on the step 1, calculating the fire-retardant coefficient critical point coefficient of the fire-retardant cover plate (503) by the counter and a formula (2):
wherein gamma is the fire-retardant coefficient critical point coefficient of the fire-retardant cover plate (503);
is the heat transfer coefficient of the flame-retardant cover plate (503);
is the heat transfer coefficient of the housing (1); α is the heat release rate of the housing (1); beta is a preset heat transfer rate increase coefficient between the shell (1) and air; theta is the preset thermal impedance of the material of the flame-retardant cover plate (503); x is the detection value of the counter; e is a natural constant, and the value is 2.72;
step three: the controller compares the fire-retardant cover plate (503) fire-retardant coefficient critical point coefficient with a fire-retardant coefficient critical point coefficient preset by the fire-retardant cover plate (503), and when the difference value between the fire-retardant cover plate (503) fire-retardant coefficient critical point coefficient and the fire-retardant coefficient critical point coefficient preset by the fire-retardant cover plate (503) exceeds a preset value, the controller controls an alarm to give an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540197.8A CN113270771A (en) | 2021-05-18 | 2021-05-18 | Moisture-proof type power strip convenient to carry and provided with cable winding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110540197.8A CN113270771A (en) | 2021-05-18 | 2021-05-18 | Moisture-proof type power strip convenient to carry and provided with cable winding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113270771A true CN113270771A (en) | 2021-08-17 |
Family
ID=77231553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110540197.8A Withdrawn CN113270771A (en) | 2021-05-18 | 2021-05-18 | Moisture-proof type power strip convenient to carry and provided with cable winding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113270771A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565646A (en) * | 2023-07-08 | 2023-08-08 | 杭州鸿世电器股份有限公司 | Self-winding extension socket with temperature self-sensing prompt function |
-
2021
- 2021-05-18 CN CN202110540197.8A patent/CN113270771A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565646A (en) * | 2023-07-08 | 2023-08-08 | 杭州鸿世电器股份有限公司 | Self-winding extension socket with temperature self-sensing prompt function |
| CN116565646B (en) * | 2023-07-08 | 2024-04-30 | 杭州鸿世电器股份有限公司 | Self-winding extension socket with temperature self-sensing prompt function |
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Application publication date: 20210817 |
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| WW01 | Invention patent application withdrawn after publication |