CN113466518A - Multifunctional electric meter for smart power grid - Google Patents
Multifunctional electric meter for smart power grid Download PDFInfo
- Publication number
- CN113466518A CN113466518A CN202110549642.7A CN202110549642A CN113466518A CN 113466518 A CN113466518 A CN 113466518A CN 202110549642 A CN202110549642 A CN 202110549642A CN 113466518 A CN113466518 A CN 113466518A
- Authority
- CN
- China
- Prior art keywords
- channel
- electric meter
- piece
- gas
- drainage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009423 ventilation Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
- 238000010521 absorption reaction Methods 0.000 claims description 27
- 230000005611 electricity Effects 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 239000007779 soft material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims 3
- 238000001816 cooling Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000004907 flux Effects 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- G01R11/17—Compensating for errors; Adjusting or regulating means therefor
- G01R11/18—Compensating for variations in ambient conditions
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
Abstract
The invention relates to the technical field of electric meters, in particular to a multifunctional electric meter for a smart grid; the air inlet grille comprises an ammeter body, a first channel, a ventilation module, a second channel, a third channel, an air inlet grille and a first drainage sheet; when gas flows in the third channel, the gas flow enters the first channel, then the gas flows into the second channel through the first channel, then flows into the third channel through the second channel, and then flows out through the third channel, so that the gas in the electric meter body is exchanged; when gas blows from the left and right sides face of the ammeter body, the gas contacts the left and right sides face of the first block, the first block guides the gas to enter the first channel, the gas flow velocity in the first channel is increased, and then the gas exchange speed of the ammeter body is increased, so that the cooling efficiency inside the ammeter body is improved.
Description
Technical Field
The invention relates to the technical field of electric meters, in particular to a multifunctional electric meter for a smart grid.
Background
The electric meter is used as electric power equipment for metering the electricity consumption of a user, plays a vital role in the modern society, and is convenient for related workers to manage the electricity consumption; because of the importance of the electric meter and certain danger, an electric auxiliary device for protecting the electric meter and personal safety is provided, namely, the heat dissipation device of the electric meter.
A patent related to a technical scheme of a multifunctional electric meter for a smart grid also appears in the prior art, and for example, a chinese patent with application number CN2018108277434 discloses a multifunctional electric meter, which includes: the power supply module is used for converting the three-phase voltage into the working voltage of the multifunctional ammeter; the voltage transformer is used for converting the signal of the three-phase voltage into a weak voltage signal; the current transformer is used for converting the primary current signal into a weak current signal; the metering chip is used for sampling the weak voltage signal and the weak current signal in real time and outputting metering parameters, and the metering parameters comprise a current effective value and active power; the little the control unit, be connected with the measurement chip, include: the electric work diagram generating module is used for generating initial electric work diagram data according to the current effective value and the active power; the electric diagram compression module is used for compressing the initial electric diagram data by using an electric diagram compression method to generate compressed electric diagram data; the communication module is connected with the micro control unit and used for sending the compressed electric work diagram data;
in the prior art, a voltage transformer, a current transformer, an electric diagram generation module and a micro control unit are arranged; the application solves the contradiction between the high requirement of the communication network bandwidth and the construction cost of the communication network, and meets the production requirement; however, when the electric meter in the prior art is used for a long time, because electronic components inside the electric meter body work for a long time and are directly irradiated by sunlight, the temperature inside the electric meter body rises, when the temperature inside the electric meter body rises, the braking magnetic flux of the electric meter, the amplitude of the voltage and the current working magnetic flux and the phase angle between the voltage and the current working magnetic flux are changed, so that a basic error is changed, namely a temperature additional error, and the problem that the electric meter jumps when in use and is poor in precision is caused.
In view of this, the present invention provides a multifunctional electric meter for a smart grid, which solves the above problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the problems that the temperature inside an ammeter body is increased due to the fact that electronic components inside the ammeter body work for a long time and are directly irradiated by sunlight, when the temperature inside the ammeter body is increased, the braking magnetic flux of the ammeter is caused, the amplitude of the voltage working magnetic flux, the amplitude of the current working magnetic flux and the phase angle between the amplitude and the amplitude are changed, so that basic errors are changed, namely temperature additional errors, and the ammeter is jumped when in use, and the accuracy is poor are solved; the invention provides a multifunctional electric meter for a smart grid.
The technical scheme adopted by the invention for solving the technical problems is as follows: a multifunctional electricity meter facing to an intelligent power grid comprises an electricity meter body, a first channel and a ventilation module, wherein the first channel is vertically arranged inside the electricity meter body, the lower end of the first channel is communicated with the lower end face of the electricity meter body, and the inner wall of the lower side of the first channel is fixedly connected with a filter screen; the ventilation module is fixedly connected to two sides of the ammeter body and comprises a second channel, a third channel, an air inlet grille and a first drainage sheet; the second channel is uniformly arranged in the ventilation module, one end of the second channel is communicated with the first channel, and an included angle between the second channel and the first channel is 45 degrees; the third channel is uniformly arranged inside the ventilation module and is in an arc shape, two ends of the third channel are respectively communicated with the front end face of the ventilation module and the side face of one end far away from the ammeter body, and the middle position of the third channel is communicated with one end of the second channel far away from the ammeter body; the air inlet grilles are fixedly connected to two ends of the third channel and are obliquely arranged, and the horizontal height of one end, close to the second channel, of the air inlet grilles is high; the first drainage sheet is uniformly arranged on the inner wall of the third channel close to the ammeter body, the first drainage sheet is positioned at the opening of the second channel far away from the ammeter body, and the first drainage sheet is hinged with the inner wall of the third channel;
when the electric meter is used in an area with large sea wind, the rear end face of the electric meter body is fixedly connected to a wall body, the first channel is arranged in the electric meter body to be communicated with the lower end face of the electric meter body, the ventilation modules are arranged on two sides of the electric meter body and do not influence the normal work of the electric meter body, the second channel is uniformly arranged in the ventilation modules, one end of the second channel is communicated with the first channel, the third channel is arranged in the ventilation modules in an arc shape, two ends of the third channel are respectively communicated with the front end face of the ventilation module and the side face of one end of the ventilation module, which is far away from the electric meter body, when external wind starts, external gas enters the ventilation module through the opening of the third channel, then the gas flows out through the opening at the other end of the ventilation module, and when the gas flows in the third channel, airflow in the third channel flows, airflow in the first channel flows into the second channel, airflow in the second channel flows into the third channel and then flows out of the ammeter body through the third channel, when the air enters the first channel from the lower end of the ammeter body, a filter screen arranged on the lower side of the first channel filters the entering air to prevent external dust particles from entering the inside of the ammeter body along with the air, when the air in the first channel flows out from the second channel and the third channel, the air with high temperature in the ammeter body flows out along with the third channel, so that the air in the ammeter body is ventilated, the airflow in the ammeter body is kept circulating to a certain degree, the effect of cooling the inside of the ammeter body is achieved, and the air inlet grids arranged at the two ends of the third channel are obliquely arranged, so that when the outside rains, rainwater is prevented from entering the inside of the ammeter body through the third channel due to the oblique arrangement of the air inlet grids, the first drainage sheet is arranged in the third channel, so that the first drainage sheet is hinged with the third channel, when gas is blown from the front of the ammeter body, the first drainage sheet inclines towards the side face of the ventilation module, when the gas is blown from the side wall of the ventilation module, the first drainage sheet inclines towards the front end face of the ammeter body, and the first drainage sheet is obliquely arranged, so that the gas is prevented from entering the second channel from the third channel, and the gas cannot flow out of the second channel; and then realize the internal cooling of ammeter, and then improved the availability factor of ammeter to a certain extent.
Preferably, both ends of each third channel are arranged in a tapered manner, and the inner aperture of each third channel is smaller than the apertures of openings at both ends of each third channel;
during the use, set up through making the both ends opening of No. three passageway toper, and make the inside aperture of No. three passageway be less than the aperture of No. three passageway openings department, when gaseous through No. three passageway entering ventilation module inside, because the aperture of No. three passageway openings department is greater than the inside aperture of No. three passageway, gaseous assembling at No. three passageway openings department, gaseous inside that flows into No. three passageway after assembling, because the aperture is little in No. three passageway, according to the narrow tube effect, gaseous when three passageway inside flows, gaseous velocity of flow increases, and then make gaseous exchange efficiency in the internal portion of ammeter increase, and then accelerate the gaseous flow of the internal portion of ammeter, and then realize the internal cooling of ammeter.
Preferably, the first drainage piece is arranged in an arc shape, a swinging piece is arranged on the side surface of one end, away from the opening of the second channel, of the first drainage piece, the length of the swinging piece is greater than that of the first drainage piece, the two ends of the swinging piece are fixedly connected to the two ends of the first drainage piece, the swinging piece is made of a soft material, and the surface of the swinging piece is smooth;
when the air ventilation device is used, the first drainage piece is arranged in an arc shape, the swing piece is arranged at one end, away from the second channel, of the first drainage piece, the swing piece is made of soft materials, the surface of the swing piece is smoothly arranged, when air enters the ventilation module through the third channel, the first drainage piece is arranged in an arc shape, the air is contacted with the first drainage piece, the first drainage piece is arranged in an arc shape, the drainage effect of the first drainage piece on the air is enhanced, when the air is contacted with the swing piece, the air impacts the swing piece, the swing piece swings, the air flow speed in the third channel is increased to a certain degree when the swing piece swings, and when the swing piece swings, dust in the air is not easy to accumulate on the first drainage piece, so that the air ventilation efficiency in the third channel is improved to a certain degree, and the two ends of the third channel are arranged in a cone shape, the gas flow speed in the third channel is increased, the swing efficiency of the swing sheet is further increased, and therefore the service efficiency of the electric meter is improved.
Preferably, the lower end face of the ammeter body is fixedly connected with a second drainage sheet which is arc-shaped; the second drainage sheet is used for introducing gas into the first channel;
during the use, through set up the drainage piece No. two at the lower terminal surface of the ammeter body, No. two drainage pieces are the arc setting, when gaseous when blowing from the preceding terminal surface of the ammeter body, gaseous entering No. three passageways, No. three passageways are bled from No. two passageways and a passageway, No. one passageway is bled from ammeter body lower extreme, and through No. two drainage pieces, when gaseous blowing to ammeter body front end face, No. two drainage piece arcs set up, No. two drainage pieces play the drainage effect to gaseous, make gaseous entering No. one passageway, make the velocity of flow of gaseous in No. one passageway increase, when No. three passageways are bled, the velocity of flow when the gaseous flow in No. one passageway flows to No. two passageways increases, thereby make the internal gaseous velocity of flow increase of ammeter, thereby the availability factor of the use of ammeter has been improved to a certain extent.
Preferably, the transverse middle position of the second drainage piece is fixedly connected with a first block, and the left side surface and the right side surface of the first block are both in concave arc arrangement; the first block is used for introducing gas into the first channel;
during the use, set up No. one the piece through the horizontal middle part position at No. two drainage pieces, make No. one the left and right sides set up for concave arc, when gaseous from the left and right sides face of the ammeter body blows, gaseous side entering No. three passageways about through ventilation module, gaseous preceding terminal surface from the ammeter body flows out afterwards, gaseous when the lower extreme at the ammeter body blows, gaseous and the left and right sides face of a piece contacts, the concave arc of the side plays the drainage effect to gaseous about a piece, guide gas gets into the passageway No. one, make the gaseous velocity of flow in the passageway increase, when No. three passageways carry out from No. two passageways and passageway No. one, a piece makes the gaseous velocity of flow in the passageway increase, thereby make the velocity of flow increase of the ammeter body, and then increased the gas exchange speed of the ammeter body, thereby the cooling efficiency of the inside ammeter body has been improved.
Preferably, water absorption pads are paved on the upper side and the lower side of the air inlet grille, the water absorption pads are made of silica gel, and first holes are uniformly formed in the water absorption pads;
when in use, the water absorption pad is uniformly paved on the lower side surface of the air inlet grille and made of silica gel, when the air enters the third channel through the opening of the third channel, the air contacts the water absorption pad, the water in the air is absorbed by the water absorption pad, so that the water in the air is reduced when the air enters the third channel, thereby avoiding the inner part of the electric meter body from being affected with damp to a certain extent, and the air inlet grating is obliquely arranged, when the air contacts the air inlet grating, the impact force of the air on the air inlet grating is increased, so that the water in the air is further absorbed by the water absorption pad, the contact area of the water absorption pad and the air is increased by arranging a first hole on the water absorption pad, and the gap between the water absorption pads on the surface of the air inlet grille can not influence the flow velocity of wind, so that the water in the air is further absorbed by the water absorption pads, and the service efficiency of the electric meter is improved.
The invention has the following beneficial effects:
1. the multifunctional electric meter for the smart grid is provided with a first channel, a second channel and a third channel; when gas flows in No. three passageways, the air current gets into a passageway, and then gas flows into No. two passageways through a passageway, flows into No. three passageways through No. two passageways afterwards, flows out through No. three passageways afterwards, has realized that the gas of the internal portion of ammeter takes a breath to the air current of the internal portion of ammeter keeps the circulation to a certain extent, thereby reaches the effect of the internal portion cooling of ammeter.
2. The multifunctional ammeter for the smart grid is characterized in that a second current-leading piece and a first block are arranged; when gas is blown against the front end face of the ammeter body, the second drainage sheet is arranged in an arc shape and plays a drainage role on the gas, so that the gas enters the first channel, and the flow velocity of the gas in the first channel is increased; when gas is blown from the left side surface and the right side surface of the electric meter body, when the gas is blown at the lower end of the electric meter body, the gas is contacted with the left side surface and the right side surface of the first block, the first block guides the gas to enter the first channel, so that the gas flow rate in the first channel is increased, the gas exchange speed of the electric meter body is increased, and the cooling efficiency of the inner part of the electric meter body is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view from another perspective as in FIG. 1;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a structural view of the No. two drainage sheet of FIG. 1;
FIG. 5 is a structural view of the intake grill of FIG. 1;
FIG. 6 is an enlarged view of a portion of FIG. 3 at A;
FIG. 7 is a partial enlarged view at B in FIG. 5;
in the figure: the water meter comprises a meter body 1, a first channel 11, a filter screen 12, a second drainage sheet 13, a first block 14, a ventilation module 2, a second channel 21, a third channel 22, an air inlet grille 23, a first drainage sheet 24, a swinging sheet 25 and a water absorption pad 26.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the multifunctional electric meter facing to the smart grid comprises an electric meter body 1, a first-number passage 11 and a ventilation module 2, wherein the first-number passage 11 is vertically arranged inside the electric meter body 1, the lower end of the first-number passage 11 is communicated with the lower end surface of the electric meter body 1, and the inner wall of the lower side of the first-number passage 11 is fixedly connected with a filter screen 12; the ventilation module 2 is fixedly connected to two sides of the ammeter body 1, and the ventilation module 2 comprises a second channel 21, a third channel 22, an air inlet grille 23 and a first drainage sheet 24; the second channel 21 is uniformly arranged in the ventilation module 2, one end of the second channel 21 is communicated with the first channel 11, and an included angle between the second channel 21 and the first channel 11 is 45 degrees; the third channel 22 is uniformly arranged inside the ventilation module 2, the third channel 22 is arranged in an arc shape, two ends of the third channel 22 are respectively communicated with the front end face of the ventilation module 2 and the side face of one end far away from the ammeter body 1, and the middle position of the third channel 22 is communicated with one end, far away from the ammeter body 1, of the second channel 21; the air inlet grilles 23 are fixedly connected to two ends of the third channel 22, the air inlet grilles 23 are obliquely arranged, and the horizontal height of one end, close to the second channel 21, of the air inlet grilles 23 is high; the first drainage sheet 24 is uniformly arranged on the inner wall of the third channel 22 close to the ammeter body 1, the first drainage sheet 24 is positioned at the opening of the second channel 21 far away from the ammeter body 1, and the first drainage sheet 24 is hinged with the inner wall of the third channel 22;
when the electric meter is used in an area with large sea wind, the rear end face of the electric meter body 1 is fixedly connected to a wall body, the first channel 11 is arranged in the electric meter body 1 to be communicated with the lower end face of the electric meter body 1, the ventilation modules 2 are arranged on two sides of the electric meter body 1, the normal work of the electric meter body 1 is not influenced by the ventilation modules 2, the second channel 21 is uniformly arranged in the ventilation module 2, one end of the second channel 21 is communicated with the first channel 11, the third channel 22 is arranged in an arc shape by uniformly arranging the third channel 22 in the ventilation module 2, two ends of the third channel 22 are respectively communicated with the front end face of the ventilation module 2 and the side face of one end of the ventilation module 2 far away from the electric meter body 1, when the outside starts wind, the outside gas enters the ventilation module 2 through the opening of the third channel 22, and then flows out through the opening of the other end of the ventilation module 2, when gas flows in the third channel 22, the gas flow in the third channel 22 flows, the gas flow in the first channel 11 flows into the second channel 21, the gas flow in the second channel 21 flows into the third channel 22, and then the gas flows out of the electric meter body 1 through the third channel 22, when the gas enters the first channel 11 from the lower end of the electric meter body 1, the filter screen 12 arranged at the lower side of the first channel 11 filters the entering gas to prevent external dust particles from entering the electric meter body 1 along with the gas, when the gas in the first channel 11 flows out through the second channel 21 and the third channel 22, the gas with high temperature in the electric meter body 1 flows out along with the third channel 22, so that the gas in the electric meter body 1 is ventilated, the gas flow in the electric meter body 1 is kept to circulate to a certain degree, the effect of cooling in the electric meter body 1 is achieved, and the gas inlet grids 23 arranged at two ends of the third channel 22 are obliquely arranged, when the outside rains, the air inlet grille 23 is obliquely arranged, rainwater is prevented from entering the interior of the electricity meter body 1 through the third channel 22, the first drainage sheet 24 is hinged with the third channel 22 through the first drainage sheet 24 arranged in the third channel 22, when gas is blown from the front of the electricity meter body 1, the first drainage sheet 24 is obliquely oriented to the side face of the ventilation module 2, when the gas is blown from the side wall of the ventilation module 2, the first drainage sheet 24 is obliquely oriented to the front end face of the electricity meter body 1, and the first drainage sheet 24 is obliquely arranged, so that the gas is prevented from entering the interior of the second channel 21 from the third channel 22, and the gas cannot flow out of the second channel 21; and then realize the inside cooling of ammeter body 1, and then improved the availability factor of ammeter to a certain extent.
As a specific embodiment of the present invention, both ends of each third channel 22 are arranged in a tapered shape, and an inner aperture of each third channel 22 is smaller than an aperture at an opening at both ends of each third channel 22;
during the use, set up through making the both ends opening of No. three passageway 22 toper, and make the inside aperture of No. three passageway 22 be less than the aperture of No. three passageway 22 opening part, when gaseous through No. three passageway 22 entering ventilation module 2 inside, because the aperture of No. three passageway 22 opening part is greater than the aperture of No. three passageway 22 inside, gaseous gathering at No. three passageway 22 opening part, gaseous flow in No. three passageway 22 inside after gathering, because No. three passageway 22 internal aperture is little, according to the narrow tube effect, gaseous when gaseous inside No. three passageway 22 flows, gaseous velocity of flow increases, and then make gaseous exchange efficiency in ammeter body 1 inside increase, and then accelerate the gaseous flow in ammeter body 1, and then realize the inside cooling of ammeter body 1.
As a specific embodiment of the invention, the first drainage piece 24 is arranged in an arc shape, the side surface of one end of the first drainage piece 24, which is far away from the opening of the second channel 21, is provided with a swinging piece 25, the length of the swinging piece 25 is greater than that of the first drainage piece 24, two ends of the swinging piece 25 are fixedly connected to two ends of the first drainage piece 24, the swinging piece 25 is made of a soft material, and the surface of the swinging piece 25 is smooth;
when the air ventilation device is used, the first drainage piece 24 is arranged in an arc shape, the swing piece 25 is arranged at one end, far away from the second channel 21, of the first drainage piece 24, the swing piece 25 is made of soft materials, the surface of the swing piece 25 is smoothly arranged, when air enters the ventilation module 2 through the third channel 22, the first drainage piece 24 is arranged in an arc shape, after the air is contacted with the first drainage piece 24, the first drainage piece 24 is arranged in an arc shape, the drainage effect of the first drainage piece 24 on the air is enhanced, when the air is contacted with the swing piece 25, the air impacts the swing piece 25, the swing piece 25 swings, the air flow velocity in the third channel 22 is increased to a certain degree when the swing piece 25 swings, and when the swing piece 25 swings, dust in the air is not easy to accumulate on the first drainage piece 24, so that the ventilation efficiency in the third channel 22 is improved to a certain degree, and through making No. three passageway 22 both ends for the setting of taper type, make gaseous flow velocity increase in No. three passageway 22, further increased the swing efficiency of swing piece 25 to the availability factor of ammeter has been improved.
As a specific embodiment of the invention, a second drainage sheet 13 is fixedly connected to the lower end surface of the ammeter body 1, and the second drainage sheet 13 is arc-shaped; the second drainage sheet 13 is used for introducing gas into the first channel 11;
when in use, the second drainage sheet 13 is arranged on the lower end surface of the electric meter body 1, the second drainage sheet 13 is arranged in an arc shape, when the gas is blown from the front end face of the electric meter body 1, the gas enters the third channel 22, the third channel 22 performs air extraction from the second channel 21 and the first channel 11, the first channel 11 performs air extraction from the lower end of the electric meter body 1 and passes through the second flow guide sheet 13, when gas blows against the front end face of the ammeter body 1, the second drainage sheet 13 is arranged in an arc shape, the second drainage sheet 13 conducts the flow of the gas, the gas enters the first channel 11, the flow velocity of the gas in the first channel 11 is increased, when the third passage 22 is evacuated, the flow rate of the gas in the first passage 11 flowing to the second passage 21 is increased, thereby increasing the gas flow velocity inside the ammeter body 1, and improving the use efficiency of the ammeter to a certain extent.
As a specific embodiment of the invention, a first block 14 is fixedly connected to the transverse middle position of the second drainage piece 13, and both left and right side surfaces of the first block 14 are in concave arc arrangement; the first block 14 is used for introducing gas into the first channel 11;
when in use, the first block 14 is arranged at the transverse middle position of the second drainage sheet 13, so that the left side and the right side of the first block 14 are arranged in a concave arc shape, when gas is blown from the left side surface and the right side surface of the electric meter body 1, the gas enters the third channel 22 through the left side surface and the right side surface of the ventilation module 2, then the gas flows out from the front end surface of the electric meter body 1, when the gas is blown from the lower end of the electric meter body 1, the gas is contacted with the left side surface and the right side surface of the first block 14, the concave arcs of the left side surface and the right side surface of the first block 14 play a role in guiding the gas, the gas is guided to enter the first channel 11, so that the flow rate of the gas in the first channel 11 is increased, when the third passage 22 is evacuated from the second passage 21 and the first passage 11, the first block 14 increases the flow rate of the gas in the first passage 11, thereby increasing the flow rate of the ammeter body 1, and then the gas exchange speed of the electric meter body 1 is increased, thereby improving the cooling efficiency inside the electric meter body 1.
As a specific embodiment of the present invention, water absorption pads 26 are laid on both the upper and lower side surfaces of the air intake grille 23, the water absorption pads 26 are made of silica gel, and first holes are uniformly formed in the water absorption pads 26;
when the air-conditioning device is used, the water absorption pads 26 are uniformly laid on the lower side surfaces of the air inlet grids 23, the water absorption pads 26 are made of silica gel, when air enters the third passage 22 through the opening of the third passage 22, the air contacts the water absorption pads 26, the water in the air is absorbed by the water absorption pads 26, when the air enters the third passage 22, the water in the air is reduced, so that the interior of the ammeter body 1 is prevented from being affected with damp to a certain degree, the air inlet grids 23 are obliquely arranged, when the air contacts the air inlet grids 23, the impact force of the air on the air inlet grids 23 is increased, so that the water in the air is further absorbed by the water absorption pads 26, the contact area between the water absorption pads 26 and the air is increased by arranging the first holes on the water absorption pads 26, the flow rate of wind cannot be affected by gaps between the water absorption pads 26 on the surfaces of the air inlet grids 23, and the water in the air is further absorbed by the water absorption pads 26, thereby improving the use efficiency of the electric meter.
The specific working process is as follows:
the electric meter is used in an area with large sea wind, the rear end face of an electric meter body 1 is fixedly connected to a wall body, a first channel 11 is arranged in the electric meter body 1 to enable the first channel 11 to be communicated with the lower end face of the electric meter body 1, the two sides of the electric meter body 1 are provided with the ventilation modules 2, the ventilation modules 2 do not affect the normal work of the electric meter body 1, a second channel 21 is uniformly arranged in the ventilation module 2, one end of the second channel 21 is communicated with the first channel 11, a third channel 22 is uniformly arranged in the ventilation module 2 to enable the third channel 22 to be in an arc shape, two ends of the third channel 22 are respectively communicated with the front end face of the ventilation module 2 and the side face of one end of the ventilation module 2 far away from the electric meter body 1, when the outside blows, the outside gas enters the ventilation module 2 through the opening of the third channel 22, and then flows out through the opening of the other end of the ventilation module 2, when gas flows in the third channel 22, the gas flow in the third channel 22 flows, negative pressure is generated in the third channel 22, so that the gas flow is extracted from the second channel 21, the second channel 21 is extracted from the first channel 11, the gas flow in the first channel 11 flows into the second channel 21, the gas in the first channel 11 is extracted from the lower end of the electric meter body 1 through the lower end opening, when the gas enters the first channel 11, the filter screen 12 arranged at the lower side of the first channel 11 filters the entering gas, so that external dust particles are prevented from entering the electric meter body 1 along with the gas, when the gas in the first channel 11 flows out through the second channel 21 and the third channel 22, the gas with high temperature in the electric meter body 1 flows out along with the third channel 22, the gas in the electric meter body 1 is exchanged, and the gas flow in the electric meter body 1 is kept to flow to a certain degree, thereby reach the effect of the inside cooling of ammeter body 1, and the air-inlet grille 23 slope setting that No. three passageway 22's both ends set up, make when external rainfall, air-inlet grille 23 slope sets up and has avoided the rainwater to enter into the inside of ammeter body 1 through No. three passageway 22, and through set up a drainage piece 24 in No. three passageway 22, make a drainage piece 24 articulated with No. three passageway 22, when gaseous when blowing from the place ahead of ammeter body 1, a drainage piece 24 slope is towards ventilation module 2 side, when gaseous from ventilation module 2's lateral wall blows, a drainage piece 24 slope is towards the preceding terminal surface of ammeter body 1, a drainage piece 24 slope is avoiding gaseous the inside that gets into No. two passageways 21 when flowing, and then keep the inside temperature stability of ammeter body 1, and then improved the availability factor of ammeter to a certain extent.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not 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 scope of the present invention.
Finally, it should be pointed out that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention. All other embodiments obtained by a person skilled in the art without making any inventive step are within the scope of protection of the present invention.
Claims (6)
1. The utility model provides a multifunctional electricity meter towards smart power grids which characterized in that: the novel electric meter comprises an electric meter body (1), a first channel (11) and a ventilation module (2), wherein the first channel (11) is vertically arranged inside the electric meter body (1), the lower end of the first channel (11) is communicated with the lower end face of the electric meter body (1), and a filter screen (12) is fixedly connected to the inner wall of the lower side of the first channel (11); the ventilation module (2) is fixedly connected to two sides of the ammeter body (1), and the ventilation module (2) comprises a second channel (21), a third channel (22), an air inlet grille (23) and a first drainage sheet (24); the second channel (21) is uniformly arranged in the ventilation module (2), one end of the second channel (21) is communicated with the first channel (11), and an included angle between the second channel (21) and the first channel (11) is 45 degrees; the third channel (22) is uniformly arranged inside the ventilation module (2), the third channel (22) is arranged in an arc shape, two ends of the third channel (22) are respectively communicated with the front end face of the ventilation module (2) and the side face of one end far away from the ammeter body (1), and the middle position of the third channel (22) is communicated with one end, far away from the ammeter body (1), of the second channel (21); the air inlet grilles (23) are fixedly connected to two ends of the third channel (22), the air inlet grilles (23) are obliquely arranged, and the horizontal height of one end, close to the second channel (21), of the air inlet grilles (23) is high; a drainage piece (24) evenly set up No. three passageway (22) and be close to on the inner wall of the ammeter body (1), No. one drainage piece (24) are located No. two passageways (21) and keep away from the opening part of the ammeter body (1), No. one drainage piece (24) are articulated with the inner wall of No. three passageway (22).
2. The smart grid-oriented multifunctional electricity meter of claim 1, wherein: the two ends of each channel III (22) are arranged in a conical manner, and the inner aperture of each channel III (22) is smaller than the aperture of the opening at the two ends of each channel III (22).
3. The smart grid-oriented multifunctional electricity meter of claim 2, wherein: a drainage piece (24) sets up for the arc, the one end side that No. two passageway (21) openings parts were kept away from in drainage piece (24) is provided with pendulum piece (25), the length of pendulum piece (25) is greater than the length of a drainage piece (24) and the both ends of pendulum piece (25) link firmly the both ends in drainage piece (24) No. one, the material of pendulum piece (25) is soft material and the surface of pendulum piece (25) is smooth.
4. The multifunctional electric meter for the smart grid according to claim 3, wherein: the lower end face of the ammeter body (1) is fixedly connected with a second drainage sheet (13), and the second drainage sheet (13) is arc-shaped; the second diversion piece (13) is used for introducing gas into the first channel (11).
5. The multifunctional electric meter for the smart grid according to claim 4, wherein: the middle position of the second drainage piece (13) is fixedly connected with a first block (14), and the left side surface and the right side surface of the first block (14) are both in concave arc arrangement; the first block (14) is used for introducing gas into the first channel (11).
6. The multifunctional electric meter for the smart grid according to claim 5, wherein: all laid water absorption pad (26) about air-inlet grille (23) side, the material of water absorption pad (26) is the silica gel material, evenly seted up a hole on water absorption pad (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110549642.7A CN113466518A (en) | 2021-05-20 | 2021-05-20 | Multifunctional electric meter for smart power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110549642.7A CN113466518A (en) | 2021-05-20 | 2021-05-20 | Multifunctional electric meter for smart power grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113466518A true CN113466518A (en) | 2021-10-01 |
Family
ID=77870986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110549642.7A Pending CN113466518A (en) | 2021-05-20 | 2021-05-20 | Multifunctional electric meter for smart power grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113466518A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113710063A (en) * | 2021-08-25 | 2021-11-26 | 淮南师范学院 | Artificial intelligence security protection controlgear |
| CN114172456A (en) * | 2021-11-10 | 2022-03-11 | 中环艾能(高邮)能源科技有限公司 | Photovoltaic module junction box |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808739A (en) * | 2017-12-04 | 2018-03-16 | 陈志军 | A kind of transformer protective housing with high-efficient radiating function |
| CN108872662A (en) * | 2018-09-06 | 2018-11-23 | 国家电网有限公司 | Radiate ammeter box |
| CN208316139U (en) * | 2018-06-14 | 2019-01-01 | 胡淑坤 | A kind of power distribution panel of channel heat dissipation |
| CN110829456A (en) * | 2019-11-29 | 2020-02-21 | 杜乾龙 | Little electric wire netting reactive compensation cabinet |
| CN210136258U (en) * | 2019-04-18 | 2020-03-10 | 江西才经实业有限公司 | Dustproof ammeter case for electric power engineering |
| CN210323151U (en) * | 2019-06-10 | 2020-04-14 | 佳源科技有限公司 | Three-phase electronic multifunctional electric energy meter |
| CN210465510U (en) * | 2019-07-10 | 2020-05-05 | 湖北周一电气股份有限公司 | Ammeter case with heat abstractor |
| CN111935956A (en) * | 2020-08-18 | 2020-11-13 | 中移（杭州）信息技术有限公司 | Heat dissipation assembly and electronic device |
| CN211981267U (en) * | 2020-05-15 | 2020-11-20 | 江苏珐玛德克工业安装有限公司 | Block terminal ventilation device for factory building |
| CN212462367U (en) * | 2020-08-03 | 2021-02-02 | 北京万兴卓能电力科技有限公司 | Collect dustproof and heat dissipation in power switch cabinet of an organic whole |
-
2021
- 2021-05-20 CN CN202110549642.7A patent/CN113466518A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808739A (en) * | 2017-12-04 | 2018-03-16 | 陈志军 | A kind of transformer protective housing with high-efficient radiating function |
| CN208316139U (en) * | 2018-06-14 | 2019-01-01 | 胡淑坤 | A kind of power distribution panel of channel heat dissipation |
| CN108872662A (en) * | 2018-09-06 | 2018-11-23 | 国家电网有限公司 | Radiate ammeter box |
| CN210136258U (en) * | 2019-04-18 | 2020-03-10 | 江西才经实业有限公司 | Dustproof ammeter case for electric power engineering |
| CN210323151U (en) * | 2019-06-10 | 2020-04-14 | 佳源科技有限公司 | Three-phase electronic multifunctional electric energy meter |
| CN210465510U (en) * | 2019-07-10 | 2020-05-05 | 湖北周一电气股份有限公司 | Ammeter case with heat abstractor |
| CN110829456A (en) * | 2019-11-29 | 2020-02-21 | 杜乾龙 | Little electric wire netting reactive compensation cabinet |
| CN211981267U (en) * | 2020-05-15 | 2020-11-20 | 江苏珐玛德克工业安装有限公司 | Block terminal ventilation device for factory building |
| CN212462367U (en) * | 2020-08-03 | 2021-02-02 | 北京万兴卓能电力科技有限公司 | Collect dustproof and heat dissipation in power switch cabinet of an organic whole |
| CN111935956A (en) * | 2020-08-18 | 2020-11-13 | 中移（杭州）信息技术有限公司 | Heat dissipation assembly and electronic device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113710063A (en) * | 2021-08-25 | 2021-11-26 | 淮南师范学院 | Artificial intelligence security protection controlgear |
| CN113710063B (en) * | 2021-08-25 | 2024-01-30 | 淮南师范学院 | Artificial intelligence security control equipment |
| CN114172456A (en) * | 2021-11-10 | 2022-03-11 | 中环艾能(高邮)能源科技有限公司 | Photovoltaic module junction box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113466518A (en) | Multifunctional electric meter for smart power grid | |
| CN203839767U (en) | Heat radiation distribution box | |
| CN203839768U (en) | Strong heat radiation distribution box | |
| CN203839765U (en) | Distribution box | |
| CN209674298U (en) | A kind of storage server | |
| CN107293976A (en) | A kind of electric power cabinet of waterproof easy heat radiation | |
| CN106369672A (en) | Air guide device, cabinet air conditioner and air supply method of cabinet air conditioner | |
| CN112531534B (en) | Circulation heat dissipation type block terminal | |
| CN208316045U (en) | A kind of AC low voltage power switch box | |
| CN208015189U (en) | A kind of drawer-type switch cabinet | |
| CN213636807U (en) | Novel protection of batch meter device | |
| CN208797982U (en) | A kind of communication engineering interchanger | |
| CN214585647U (en) | Automatic heat dissipation and dust removal ammeter case | |
| CN109283642A (en) | A kind of computer communication engineering optical fiber commuting case | |
| CN210028361U (en) | Measurement turnover cabinet with heat dissipation function | |
| CN210120357U (en) | Electric power engineering is with safe type electric power cabinet | |
| CN208438355U (en) | A kind of protection casing for electric tunnel inspection robot | |
| CN207503760U (en) | A kind of Novel box-type transformer | |
| CN203330090U (en) | Energy-saving exhaust system of fume hood | |
| CN206894249U (en) | A kind of reactive power compensator | |
| CN205680977U (en) | A kind of power automation distribution system distribution box | |
| CN216204051U (en) | Dry coal canopy top negative pressure exhaust structure | |
| CN109640560A (en) | Traverse measurement instrument and its application method | |
| CN214337288U (en) | Outdoor distribution box | |
| CN213367162U (en) | Power equipment distribution box convenient to maintain |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |