CN113447691A - Fireproof high-safety electric meter - Google Patents
Fireproof high-safety electric meter Download PDFInfo
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- CN113447691A CN113447691A CN202110871370.2A CN202110871370A CN113447691A CN 113447691 A CN113447691 A CN 113447691A CN 202110871370 A CN202110871370 A CN 202110871370A CN 113447691 A CN113447691 A CN 113447691A
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- 239000007789 gas Substances 0.000 claims abstract description 55
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 51
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 24
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 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 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 15
- 239000010410 layer Substances 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 239000002344 surface layer Substances 0.000 claims abstract description 4
- 239000000523 sample Substances 0.000 claims description 46
- 238000009529 body temperature measurement Methods 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 13
- 229920006254 polymer film Polymers 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 9
- 239000006096 absorbing agent Substances 0.000 claims description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 13
- 206010000369 Accident Diseases 0.000 abstract description 11
- 239000011810 insulating material Substances 0.000 abstract description 3
- 230000007480 spreading Effects 0.000 abstract description 3
- 229920005597 polymer membrane Polymers 0.000 description 10
- 238000013016 damping Methods 0.000 description 9
- 229910001873 dinitrogen Inorganic materials 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
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- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention provides a fireproof high-safety electric meter, which is applied to the technical field of electric meter safety; the flame-retardant layers are respectively arranged on the surface layers of the inner cavities of the electric meter boxes; the protective film is wrapped and covered on the surface of the flame retardant layer; the fire extinguishing brake is arranged on two sides of the top end of the inner cavity of the electric meter box body, the gas storage tank is arranged in the inner cavity of the fire extinguishing brake, and the gas conversion device is arranged in the inner cavity of the first pipeline; according to the invention, the flame-retardant layer and the high-temperature electric insulating material are used as the surface coatings of the electric meter and the electric meter box, so that the effect of reducing the occurrence of electric leakage accidents or fire spread is achieved; according to the invention, nitrogen in absorbed air is used for storage, and nitrogen is used for carrying out cooling operation on the ammeter or extinguishing fire accidents when a fire disaster occurs, so that the effects of protecting environment, saving energy and reducing the spreading property of the disaster are achieved; according to the invention, the Lorentz force coil group is used as a structure for cutting off the power source of the electric meter, so that the effect of timely cutting off the power supply of the electric meter to prevent the electric meter from leaking power is achieved.
Description
Technical Field
The invention relates to the technical field of ammeter safety, in particular to a fireproof high-safety ammeter.
Background
The ammeter is an instrument for measuring electric energy, is also called as an electric meter, a fire meter, an electric energy meter and a kilowatt hour meter, and refers to instruments for measuring various electric quantities, some electric energy meters are installed at high places for preventing artificial damage, but are inconvenient for workers to carry out numerical value statistics, and the electric energy meters are long-term outside and are easy to deposit dust on the surfaces, so that a data screen can be shielded, and the checking of the workers is influenced.
The existing electric meter box does not have fireproof performance, when fire occurs around the box body, the box body cannot be protected in fireproof and flame-retardant mode, and external fire can damage components such as power lines in the electric meter box from the outside. The operation of electrical components in the ammeter case can produce a large amount of heats, and if these heats can not in time distribute, can produce adverse effect to other electrical components in the ammeter case and power cord from inside, finally initiate internal combustion. At present, the electric meter monitoring device with various types on the market has poor fireproof performance, and when the electric meter is on fire, equipment is difficult to quickly make a judgment and cannot quickly extinguish the fire.
Aiming at the problems, the invention provides a fireproof high-safety electric meter to solve the problems that the general electric meter provided in the background art is poor in fireproof performance, equipment is difficult to judge quickly, and the fire cannot be extinguished quickly.
Disclosure of Invention
The invention aims to solve the problem of poor fireproof performance of an electric meter and provides a fireproof high-safety electric meter.
The present invention provides a fireproof high-safety electricity meter, including:
the flame-retardant layers are respectively arranged on the surface layers of the inner cavity of the electric meter box body;
the protective films are wrapped and cover the surface of the flame-retardant layer;
the fire extinguishing gates are respectively arranged on two sides of the top end of the inner cavity of the electric meter box body and are respectively provided with a first opening and a second opening, and air holes are formed in the first opening and the second opening;
the gas storage tank is arranged in the inner cavity of the fire extinguishing gate and comprises a gas inlet and a gas transmission port, the gas inlet is communicated with the first pipeline to a first opening of the fire extinguishing gate, and the gas transmission port is communicated with the second pipeline to a second opening of the fire extinguishing gate;
the gas conversion device is arranged in the inner cavity of the first pipeline and comprises an absorber and a polymer film, the polymer film is attached to the joint of the first pipeline and the gas storage tank, and the absorber is communicated with the polymer film to the gas storage tank.
The electric meter box further comprises an observation window and an infrared temperature measurement module, wherein the observation window is arranged in the inner cavity of the electric meter box body and on the outer wall of the box body, the inner cavity of the electric meter box body can be observed through the outer wall of the box body, and the infrared temperature measurement module is attached to the inner cavity of the electric meter box body and is arranged on a position surface observable by the observation window;
the infrared temperature measurement module further comprises a display lamp and an alarm, the display lamp is in wired connection with the alarm, the alarm is in wireless connection with the fire-extinguishing brake, and the alarm controls the operation of the fire-extinguishing brake;
the fire extinguishing gate further comprises a valve, the valve controls the opening and closing of the air hole, and the valve is controlled by the alarm to operate.
Further, the gas storage tank also comprises a burst pump, and the burst pump is arranged at the bottom end of the inner cavity of the gas storage tank.
Furthermore, the gas absorbed by the absorber through the resolution of the polymer membrane by adopting a concentration gradient method is nitrogen or oxygen, the nitrogen is absorbed into the gas storage tank through the resolution of the polymer membrane, and the oxygen is eliminated outside the gas storage tank through the resolution of the polymer membrane.
Furthermore, an insulating coating is arranged on the end face of the circuit board of the electric meter, and the insulating coating is a high-temperature electric insulating coating.
Furthermore, the top end of the electric meter box is provided with an opening, the opening is provided with a cooling fan, and the cooling fan operates according to information provided by the infrared temperature measurement module.
Further, the second opening of the fire-extinguishing brake is opposite to the electric meter.
Further, a high-temperature cutoff structure, the high-temperature cutoff structure comprising:
the emergency elastic device is distributed at an input end and a load end of the electric meter in the electric meter box body and is provided with an elastic thimble and a spring group, the spring group is externally surrounded by the elastic thimble, and the elastic thimble extends out of and retracts into the emergency elastic device;
the insulating probe is connected with the thimble end of the elastic thimble and comprises a probe with an internal space, a Lorentz force electric coil group is arranged in the probe, and an inductor is surrounded outside the Lorentz force electric coil group;
the insulation probe is electrically contacted with or separated from the ammeter input end and the load end, the insulation probe is driven to be contacted with the ammeter input end and/or the load end through the elastic ejector pin when in contact, the initial speed of the inductor in the Lorentz force coil is formed, and the Lorentz force resistor is generated when the inductor moves in the Lorentz force coil, so that the ammeter input end and the load end are insulated.
Furthermore, the emergency elastic device drives the Lorentz force electric coil group to generate Lorentz force, the Lorentz force is combined and resolved through multiple degrees of freedom, and the precision of the insulating probe is controlled.
The invention provides a fireproof high-safety electric meter which has the following beneficial effects:
1. according to the invention, the flame-retardant layer and the high-temperature electric insulating material are used as the surface coatings of the electric meter and the electric meter box, so that the effect of reducing the occurrence of electric leakage accidents or fire spread is achieved;
2. according to the invention, nitrogen in absorbed air is used for storage, and nitrogen is used for carrying out cooling operation on the ammeter or extinguishing fire accidents when a fire disaster occurs, so that the effects of protecting environment, saving energy and reducing the spreading property of the disaster are achieved;
3. according to the invention, the Lorentz force coil group is used as a structure for cutting off the power source of the electric meter, so that the effect of timely cutting off the power supply of the electric meter to prevent the electric meter from leaking power is achieved.
Drawings
Fig. 1 is a plan view showing the overall construction of one embodiment of a fireproof type high safety electricity meter according to the present invention;
fig. 2 is a plan view illustrating one embodiment of a high-temperature cutoff structure of a fireproof type high-safety electricity meter according to the present invention;
the implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a flameproof high safety electricity meter according to an embodiment of the present invention includes:
the flame-retardant layers 1 are respectively arranged on the surface layers of the inner cavities of the electric meter boxes;
the protective films 2 are covered on the surface of the flame-retardant layer 1 in a wrapping manner;
the fire extinguishing gates 3 are respectively arranged on two sides of the top end of the inner cavity of the electric meter box body, the fire extinguishing gates 3 are respectively provided with a first opening and a second opening, and air holes are formed in the first opening and the second opening;
the gas storage tank 4 is arranged in the inner cavity of the fire extinguishing brake 3 and comprises a gas inlet and a gas transmission port, the gas inlet is communicated with a first pipeline to a first opening of the fire extinguishing brake 3, and the gas transmission port is communicated with a second pipeline to a second opening of the fire extinguishing brake 3;
the gas conversion device 5 is arranged in the inner cavity of the first pipeline and comprises an absorber and a polymer film, the polymer film is attached to the joint of the first pipeline and the gas storage tank 4, and the absorber is communicated with the polymer film to the gas storage tank 4.
In a specific embodiment: when the invention is in operation, nitrogen in the air is sucked through the first opening of the adsorber in the gas conversion device 5 and is stored in the gas storage tank 4; when the electric meter is in fire, nitrogen in the gas storage tank 4 is sprayed into the electric meter box through the second opening; the flame-retardant layer 1 plays a role in slowing down and cooling the spread of fire, and the protective film 2 plays a role in protecting the flame-retardant layer 1.
In one embodiment: the electric meter box also comprises an observation window and an infrared temperature measurement module, wherein the observation window is arranged in the inner cavity of the electric meter box body and on the outer wall of the box body, the inner cavity of the electric meter box body can be observed through the outer wall of the box body, and the infrared temperature measurement module is arranged in the inner cavity of the electric meter box body in a fitting manner and is arranged on a position surface observable by the observation window;
the infrared temperature measurement module further comprises a display lamp and an alarm, the display lamp is in wired connection with the alarm, the alarm is in wireless connection with the fire-extinguishing brake 3, and the alarm controls the operation of the fire-extinguishing brake 3;
the fire extinguishing gate 3 further comprises a valve, the valve controls the opening and closing of the air hole, and the valve is controlled by the alarm to operate.
In this embodiment: the observation window is used for observing the condition of the electric meter and the temperature condition in the electric meter box through the electric meter box, and the infrared temperature measurement module is used for feeding back and displaying the temperature of the electric meter in real time; the state that the display lamp acts on the warning ammeter is safe or dangerous, and the alarm acts on the real-time condition passing through the display lamp to prompt that the ammeter is in a safe state or a dangerous state and control the fire-extinguishing brake 3 to cool the ammeter in time; the valve acts on the air hole at the opening of the fire extinguishing gate 3 to be opened or closed.
In a specific embodiment: the electric meter box and the infrared temperature measurement module are known in real time through the observation window, and if the test temperature of the infrared temperature measurement module is higher than the normal range temperature, the infrared temperature measurement module warns that the electric meter is in a dangerous state by changing the color of the infrared temperature measurement module into red, so that a fire disaster can occur at any time; if the temperature measured by the infrared temperature measurement module is in the normal range, the infrared temperature measurement module is in a transparent state; the state of the electric meter is observed to be safe or dangerous through the display lamp, and if the state of the electric meter is in a safe state, the alarm stops operating; if the state of the electric meter is in a dangerous state, the alarm starts to operate, warns the electric meter to be in the dangerous state, and controls the fire extinguishing brake 3 to cool the electric meter; when the alarm controls the fire extinguishing gate 3 to cool, the valve starts to operate, the air hole is opened and closed, and nitrogen in the air storage tank 4 is sprayed into the ammeter to cool.
In one embodiment: the gas storage tank 4 also comprises a burst pump which is arranged at the bottom end of the inner cavity of the gas storage tank 4.
In this embodiment: the burst pump acts to transport the nitrogen stored in the gas reservoir 4 from the gas reservoir 4 through the second conduit to the second opening for spraying onto the electricity meter.
In a specific embodiment: when alarm control fire-extinguishing brake 3 cooled down the operation, valve operation control gas pocket opened and shut, fire-extinguishing brake 3 carries nitrogen gas to spray nitrogen gas to the ammeter through the jet pump in the gas storage tank 4 on the second opening part through the second pipeline and cools down the operation.
In one embodiment: the polymer membrane adopts a concentration gradient method to distinguish that the gas absorbed from the absorber is nitrogen or oxygen, the nitrogen is distinguished by the polymer membrane and is sucked into the gas storage tank 4, and the oxygen is distinguished by the polymer membrane and is eliminated outside the gas storage tank 4.
In this embodiment: the polymer membrane acts on the nitrogen in the separated air, and sucks the separated nitrogen into the gas storage tank 4.
In a specific embodiment: when the adsorber operates, air is sucked into the first pipeline from the first opening, passes through the polymer membrane in the first pipeline, the nitrogen in the air is distinguished by the polymer membrane through a concentration gradient method, and the nitrogen is sucked into the gas storage tank 4 for storage.
In one embodiment: the end face of the circuit board of the electric meter is provided with an insulating coating, and the insulating coating is a high-temperature electric insulating coating.
In this embodiment: the insulating coating acts on when the ammeter conflagration accident takes place, avoids the ammeter to take place the unexpected condition of leaking the electricity and takes place.
In a specific embodiment: when the electric meter has a fire accident, the high-temperature electric insulation coating on the surface of the electric meter has corresponding resistance to the high temperature generated by the fire, and the electric leakage accident bred by the fire accident can be effectively reduced due to the insulation coating.
In one embodiment: the ammeter case top is equipped with the opening, the opening part is equipped with radiator fan, radiator fan operates according to the information that infrared temperature measurement module provided.
In this embodiment: the radiator fan acts on when the ammeter is in the high temperature state or when the conflagration accident takes place, transmits away the effect in order to reach the cooling through radiator fan with the form of ventilating with the temperature in the ammeter case.
In a specific embodiment: when infrared temperature measurement module was examined out the ammeter and is in under the high temperature state or when the conflagration accident takes place, the radiator fan of ammeter case top end opening part begins the function, transmits the inside high temperature air of ammeter case to the outside with the form of ventilating to reach the effect that reduces ammeter and ammeter incasement portion temperature.
In one embodiment: the second opening of the fire extinguishing brake 3 is opposite to the ammeter.
In a specific embodiment: when the ammeter conflagration accident took place, the 3 valves of floodgate open, and the jet pump is through the nitrogen gas in advancing gas storage tank 4, with nitrogen gas through second pipe transport to the second opening part to spray to ammeter department from the second opening part, in order to reach and carry out effectual cooling operation effect to the ammeter.
In one embodiment: a high-temperature cutoff structure, the high-temperature cutoff structure comprising:
the emergency elastic device is distributed at an input end and a load end of the electric meter in the electric meter box body and is provided with an elastic thimble and a spring group, the spring group is externally surrounded by the elastic thimble, and the elastic thimble extends out of and retracts into the emergency elastic device;
the insulating probe is connected with the thimble end of the elastic thimble and comprises a probe with an internal space, a Lorentz force electric coil group is arranged in the probe, and an inductor is surrounded outside the Lorentz force electric coil group;
the insulation probe is electrically contacted with or separated from the ammeter input end and the load end, the insulation probe is driven to be contacted with the ammeter input end and/or the load end through the elastic ejector pin when in contact, the initial speed of the inductor in the Lorentz force coil is formed, and the Lorentz force resistor is generated when the inductor moves in the Lorentz force coil, so that the ammeter input end and the load end are insulated.
In this embodiment: the emergency elastic device acts on the resistor which is used for controlling the elastic thimble to push the insulating probe to cut off the ammeter, when the insulating probe acts on the Lorentz force coil in the probe to be connected with the input end of the ammeter, the power source of the ammeter can be interrupted, the Lorentz force resistor acts on the Lorentz force actuator to drive the Lorentz force actuator to generate Lorentz force, the Lorentz force actuator is resolved through the combination of the Lorentz force with multiple degrees of freedom, and the pointing accuracy and stability of the insulating probe are controlled.
In a specific embodiment: when the ammeter is in a high-temperature state or a fire accident occurs, the elastic ejector pin is pushed into an inner cavity of the insulating probe at the top end by the emergency elastic device, the Lorentz force coil groups in the insulating probe collide with each other through the ejector pin, the Lorentz force is output through the Lorentz force coil group actuator, the relative position of the insulating probe is guaranteed to follow within a preset range, the translation freedom degree control of the insulating probe and the relative position control between the ejector pins are achieved, the insulating probe is controlled by the combination of the Lorentz forces with multiple degrees of freedom to generate a Lorentz force resistor, and therefore the power source of the ammeter is controlled to be cut off.
In one embodiment: the emergency elastic device drives the Lorentz force electric coil group to generate Lorentz force, and the Lorentz force is combined and resolved through multiple degrees of freedom, so that the precision of the insulating probe is controlled.
In this embodiment: the Lorentz force with multiple degrees of freedom is combined and calculated to act on the damping force for eliminating the emergency elastic device, so that the precision of the insulating probe is controlled and improved.
In a specific embodiment: each Lorentz force actuator and the thimble end abutting surface are arranged in parallel or vertically and sequentially at intervals and symmetrically, the middle points of the Lorentz force actuators are connected through an electric coil group to generate Lorentz forces in three directions, the Lorentz force electric coil group actuators generate currently calculated compensation forces, the Lorentz forces are output to the insulating probe along the direction of the damping force, the Lorentz forces in different directions are combined and resolved, the damping compensation force required by the translation control of the insulating probe and the moment required by the attitude control can be generated, the damping force of the insulating probe is eliminated, the residual disturbing force borne by the insulating probe is reduced to the minimum, and therefore the precision of the insulating probe is improved and the insulating probe is calibrated.
In another embodiment, the accurate Lorentz force is generated through accurate current control based on the drive of a linear motor, the Lorentz force is output through a magnetic suspension mechanism to ensure that the position of a thimble follows the Lorentz force within a certain range, and meanwhile, the insulating probe is controlled by adopting the algorithm combination of the output force of the magnetic suspension mechanism to realize the accuracy and the stability of the insulating probe; the Lorentz force is used for reversely eliminating damping and disturbing force applied to the insulating probe, and damping compensation of the insulating probe to the Lorentz force coil group is realized.
In view of the above, it is desirable to provide,
based on the fact that the ammeter is in a safe state, flame-retardant layers are arranged on all end faces of an inner cavity of the ammeter box to reduce fire accidents possibly generated when the ammeter is at a high temperature, and the high-temperature electric insulation coating adopted on the surface of the ammeter reduces the probability of electric leakage accidents possibly generated when the fire accidents occur; the cooling fan arranged at the opening at the top end of the electric meter box operates when the electric meter is in a high-temperature state or a fire accident occurs, and the high-temperature gas in the electric meter box is extracted and transmitted to the outside so as to effectively cool the electric meter box; an adsorber of the gas storage tank sucks air into the first pipeline from the air hole through the air hole at the first opening, the nitrogen in the air is distinguished through the polymer membrane, and the nitrogen is sucked into the gas storage tank; based on the fact that the electric meter is in a dangerous state, the gas storage tank pushes stored nitrogen into the second pipeline through the jet pump, and the nitrogen flows to the second opening through the second pipeline and is sprayed into the electric meter, so that the temperature of the electric meter is reduced or fire accidents occurring in the electric meter are extinguished; when the electric meter is in a high-temperature state or a fire accident happens, the emergency elastic device pushes the elastic thimble to the inner cavity of the insulating probe at the top end, lorentz force electric coil groups in the insulating probe are collided through the ejector pins, Lorentz force actuators in the Lorentz force electric coil groups are parallel to or vertically and sequentially arranged at intervals and symmetrically with the end-to-end joint surfaces of the ejector pins in sequence, the middle points of the Lorentz force actuators are connected through the electric coil groups to generate Lorentz forces in three directions, the Lorentz force electric coil group actuators generate currently calculated compensation force and output the Lorentz force to the insulating probe along the direction of the damping force, through the combined calculation of Lorentz forces in different directions, the damping compensation force required by the translational control of the insulation probe and the torque required by the attitude control can be generated, therefore, the damping force of the insulation probe is eliminated, and the residual disturbance force borne by the insulation probe is reduced to the minimum, so that the precision of the insulation probe is improved, and the insulation probe is calibrated.
According to the invention, the flame-retardant layer and the high-temperature electric insulating material are used as the surface coatings of the electric meter and the electric meter box, so that the effect of reducing the occurrence of electric leakage accidents or fire spread is achieved;
according to the invention, nitrogen in absorbed air is used for storage, and nitrogen is used for carrying out cooling operation on the ammeter or extinguishing fire accidents when a fire disaster occurs, so that the effects of protecting environment, saving energy and reducing the spreading property of the disaster are achieved;
according to the invention, the Lorentz force coil group is used as a structure for cutting off the power source of the electric meter, so that the effect of timely cutting off the power supply of the electric meter to prevent the electric meter from leaking power is achieved.
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 (9)
1. A fire-preventive high-safety electric meter comprising an electric meter box equipped with an electric meter, characterized in that the fire-preventive high-safety electric meter comprises:
the flame-retardant layers are respectively arranged on the surface layers of the inner cavity of the electric meter box body;
the protective films are wrapped and cover the surface of the flame-retardant layer;
the fire extinguishing gates are respectively arranged on two sides of the top end of the inner cavity of the electric meter box body and are respectively provided with a first opening and a second opening, and air holes are formed in the first opening and the second opening;
the gas storage tank is arranged in the inner cavity of the fire extinguishing gate and comprises a gas inlet and a gas transmission port, the gas inlet is communicated with the first pipeline to a first opening of the fire extinguishing gate, and the gas transmission port is communicated with the second pipeline to a second opening of the fire extinguishing gate;
the gas conversion device is arranged in the inner cavity of the first pipeline and comprises an absorber and a polymer film, the polymer film is attached to the joint of the first pipeline and the gas storage tank, and the absorber is communicated with the polymer film to the gas storage tank.
2. The fireproof high-safety electric meter according to claim 1, wherein the electric meter box further comprises an observation window and an infrared temperature measurement module, the observation window is mounted in the inner cavity of the electric meter box body and the outer wall of the box body, the inner cavity of the electric meter box body can be observed through the outer wall of the box body, and the infrared temperature measurement module is mounted in the inner cavity of the electric meter box body in a fitting manner and is arranged on a position surface observable by the observation window;
the infrared temperature measurement module further comprises a display lamp and an alarm, the display lamp is in wired connection with the alarm, the alarm is in wireless connection with the fire-extinguishing brake, and the alarm controls the operation of the fire-extinguishing brake;
the fire extinguishing gate further comprises a valve, the valve controls the opening and closing of the air hole, and the valve is controlled by the alarm to operate.
3. The firesafe electric meter according to claim 1, wherein said gas storage tank further comprises a burst pump, said burst pump being disposed at a bottom end of an inner cavity of said gas storage tank.
4. The fireproof high-safety electricity meter according to claim 1, wherein the adsorber distinguishes the absorbed gas through the polymer film by a concentration gradient method to be nitrogen or oxygen, the nitrogen is distinguished and sucked into the gas storage tank through the polymer film, and the oxygen is distinguished and removed from the gas storage tank through the polymer film.
5. The fireproof high-safety electric meter according to claim 1, wherein an insulating coating is arranged on the end face of the circuit board of the electric meter, and the insulating coating is a high-temperature electric insulating coating.
6. The fireproof high-safety electricity meter according to claim 1, wherein an opening is formed in the top end of the electricity meter box, a cooling fan is arranged at the opening, and the cooling fan operates according to information provided by the infrared temperature measuring module.
7. The firesafe high-safety electric meter according to claim 1, wherein the second opening of the fire-extinguishing brake is opposite to the electric meter.
8. The flameproof high-safety electric meter of claim 1, comprising a high-temperature cutoff structure, the high-temperature cutoff structure comprising:
the emergency elastic device is distributed at an input end and a load end of the electric meter in the electric meter box body and is provided with an elastic thimble and a spring group, the spring group is externally surrounded by the elastic thimble, and the elastic thimble extends out of and retracts into the emergency elastic device;
the insulating probe is connected with the thimble end of the elastic thimble and comprises a probe with an internal space, a Lorentz force electric coil group is arranged in the probe, and an inductor is surrounded outside the Lorentz force electric coil group;
the insulation probe is electrically contacted with or separated from the ammeter input end and the load end, the insulation probe is driven to be contacted with the ammeter input end and/or the load end through the elastic ejector pin when in contact, the initial speed of the inductor in the Lorentz force coil is formed, and the Lorentz force resistor is generated when the inductor moves in the Lorentz force coil, so that the ammeter input end and the load end are insulated.
9. The firesafe high-safety electric meter according to claim 8, wherein the emergency elastic device drives the Lorentz force coil set to generate Lorentz force, and the Lorentz force is resolved through the combination of Lorentz force with multiple degrees of freedom, so that the precision of the insulating probe is controlled.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280346A (en) * | 2021-12-27 | 2022-04-05 | 康熹智能科技（东莞）有限公司 | Intelligent electric meter with electric leakage prompting function and fireproof device for intelligent electric meter |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060076053A1 (en) * | 1997-02-21 | 2006-04-13 | Mcgill James C | Emergency gas and electricity shutoff apparatus and control system |
| CN201131184Y (en) * | 2007-12-17 | 2008-10-15 | 刘振飞 | A film method rich nitrogen / low oxygen cotton storing device |
| CN102867684A (en) * | 2011-07-07 | 2013-01-09 | 卡姆鲁普股份有限公司 | Magnetic insensitive latch actuated relay for electricity meter |
| CN205720348U (en) * | 2016-04-20 | 2016-11-23 | 浙江宏晟技术转让服务有限公司 | A kind of high-performance refractory ammeter box |
| CN205826718U (en) * | 2016-06-30 | 2016-12-21 | 国网河南省电力公司南阳供电公司 | A kind of electricity meter box intelligent management system |
| CN207301147U (en) * | 2017-09-22 | 2018-05-01 | 杜怡墨 | A kind of novel distribution network low-voltage customer single-phase measurement electricity box |
| CN207730815U (en) * | 2018-01-18 | 2018-08-14 | 沈阳工程学院 | A kind of intelligent electric meter device with electricity metering function |
| DE102017005287B3 (en) * | 2017-06-02 | 2018-10-04 | DATANET GmbH | Safety cabinet for active electrical and / or electronic components |
| CN112506211A (en) * | 2020-12-07 | 2021-03-16 | 上海卫星工程研究所 | Future gravitational field measurement oriented separation type satellite platform drag-free control method and system |
| CN212965108U (en) * | 2020-07-31 | 2021-04-13 | 四川第尔电气成套设备有限公司 | Ammeter box with transparent glass fiber reinforced plastic panel |
-
2021
- 2021-07-30 CN CN202110871370.2A patent/CN113447691A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060076053A1 (en) * | 1997-02-21 | 2006-04-13 | Mcgill James C | Emergency gas and electricity shutoff apparatus and control system |
| CN201131184Y (en) * | 2007-12-17 | 2008-10-15 | 刘振飞 | A film method rich nitrogen / low oxygen cotton storing device |
| CN102867684A (en) * | 2011-07-07 | 2013-01-09 | 卡姆鲁普股份有限公司 | Magnetic insensitive latch actuated relay for electricity meter |
| CN205720348U (en) * | 2016-04-20 | 2016-11-23 | 浙江宏晟技术转让服务有限公司 | A kind of high-performance refractory ammeter box |
| CN205826718U (en) * | 2016-06-30 | 2016-12-21 | 国网河南省电力公司南阳供电公司 | A kind of electricity meter box intelligent management system |
| DE102017005287B3 (en) * | 2017-06-02 | 2018-10-04 | DATANET GmbH | Safety cabinet for active electrical and / or electronic components |
| CN207301147U (en) * | 2017-09-22 | 2018-05-01 | 杜怡墨 | A kind of novel distribution network low-voltage customer single-phase measurement electricity box |
| CN207730815U (en) * | 2018-01-18 | 2018-08-14 | 沈阳工程学院 | A kind of intelligent electric meter device with electricity metering function |
| CN212965108U (en) * | 2020-07-31 | 2021-04-13 | 四川第尔电气成套设备有限公司 | Ammeter box with transparent glass fiber reinforced plastic panel |
| CN112506211A (en) * | 2020-12-07 | 2021-03-16 | 上海卫星工程研究所 | Future gravitational field measurement oriented separation type satellite platform drag-free control method and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114280346A (en) * | 2021-12-27 | 2022-04-05 | 康熹智能科技（东莞）有限公司 | Intelligent electric meter with electric leakage prompting function and fireproof device for intelligent electric meter |
| CN114280346B (en) * | 2021-12-27 | 2023-09-22 | 安徽融兆智能有限公司 | Smart electric meter and smart electric meter are with firebreak device with electric leakage prompt facility |
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