CN108957072B - Waterproof dustproof ammeter - Google Patents
Waterproof dustproof ammeter Download PDFInfo
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- CN108957072B CN108957072B CN201811053784.9A CN201811053784A CN108957072B CN 108957072 B CN108957072 B CN 108957072B CN 201811053784 A CN201811053784 A CN 201811053784A CN 108957072 B CN108957072 B CN 108957072B
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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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Abstract
The invention discloses a waterproof and dustproof electric meter. The invention has the advantages that: rotating the second rods to enable the plane formed by the second rods and the first rods to be parallel to the top surface of the electric meter, aligning the clamping blocks to the clamping grooves, mounting the light screen on the light shielding frame to shield direct ultraviolet rays, slow down the aging speed of rubber, prolong the service life of the electric meter, connecting the first rods with the two second rods, improving the stability of the two second rods and improving the structural stability of the light shielding frame; the light screen is set to be trapezoidal, and when installing on the shading frame, the upper base of light screen is close to the table lid, and the table lid is kept away from to the lower bottom, reduces the use material of light screen, energy saving and emission reduction, green to alleviate the weight of light screen, improved the stability in the shading frame use. Simultaneously, the ammeter is installed in higher position usually, has the reflection of light when having sunshine to shine the display screen, and the user is difficult to observe the data of ammeter, sets up the light screen and shelters from the sunlight and is convenient for the user to observe the digit on the ammeter.
Description
Technical Field
The invention relates to the field of power equipment, in particular to a waterproof and dustproof electric meter.
Background
The electric meter is an instrument for measuring electric energy and is widely applied to places such as families, districts, municipal administration, factories and the like. Common electricity meters are often installed at corners of a home corridor, but for some suburban or rural home users, the electricity meters are generally installed on the outer surface wall of the building. The traditional ammeter comprises an ammeter shell, wherein a cover body is arranged on the shell, various electrical elements and circuits are arranged in the shell in a hollow mode, a groove matched with the outline of the shell is formed in the bottom end of the cover body, the outline of the shell is embedded in the groove, and the shell and the cover body are connected through a fastening piece.
There is some ammeter in the existing market, in order to prevent sleet weather, in water or moisture entered into the casing from ammeter lid and casing junction, can be at the embedded rubber circle of establishing of recess, and then make ammeter sealing performance better, reach waterproof effect. However, in the electricity meter in the prior art, in an actual processing project, in order to facilitate a meter reader to read the electricity consumption in the electricity meter, the cover body is processed into a transparent plastic cover. Under the strong ultraviolet irradiation in summer for a long time, the ultraviolet rays directly penetrate through the transparent plastic cover and irradiate the rubber ring, so that the rubber molecular chain is broken, the aging of the rubber ring is accelerated, and the waterproof performance is poor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a waterproof and dustproof electric meter which can solve the problems that the rubber ring is accelerated to age after the electric meter is irradiated by ultraviolet rays, and the waterproof and dustproof performance is poor.
In order to achieve the purpose, the invention provides the following technical scheme: a waterproof and dustproof ammeter comprises a watchcase and a meter cover, wherein a cavity for placing an electronic component is formed in the watchcase, a connecting hole for inserting a power supply line into the electronic component is formed in the watchcase, the meter cover is installed on the watchcase and seals the electronic component, a shading frame is hinged on the meter cover, a shading plate for shading sunlight is arranged on the shading frame, the shading frame comprises a first rod and two second rods, two ends of the first rod are respectively connected with one end of the second rods, the other end, connected with the first rod, of the two second rods is rotatably connected above the meter cover, clamping grooves are formed in the two second rods at intervals, clamping blocks are arranged at intervals on the shading plate, when the shading frame is installed on the shading frame, the clamping blocks are respectively clamped into the clamping grooves in a one-to-one correspondence manner, the shading plate is trapezoidal, and the length of the lower bottom of the shading plate is longer than that of the, the upper bottom is close to the watch cover, and the lower bottom is far away from the watch cover.
As a further improvement of the present invention, the watch cover is provided with a fixing groove for placing the light shielding frame, the two second bars are hinged to the support bars, the second bars are provided with mounting grooves for placing the support bars, the watch cover is provided with a toggle groove on the side wall of the fixing groove for fingers to extend into, the toggle groove is inclined outward from the fixing groove and has an arc-shaped cross-section, the other end of the two support bars, which is hinged to the fixing groove, is a fixed end, the bottom surface of the fixing groove is provided with two fixed blocks for placing the fixed ends, and when the two fixed ends are respectively placed on the fixed blocks, the light shielding frame is supported.
As a further improvement of the invention, the back of the watchcase is provided with a placing groove for placing the light screen, the lower side wall of the placing groove is obliquely arranged, the side wall of the watchcase is provided with a grabbing groove for a hand to take out the light screen, the grabbing groove is obliquely arranged outwards from the placing groove, and the section of the grabbing groove is arc-shaped.
As a further improvement of the invention, a protective cover for protecting the connection between the electric wire and the electronic element is hinged on the watch cover, a closing plate is arranged on the protective cover, a first through hole for inserting the closing plate is arranged on the side wall of the connecting hole of the watch case, a baffle plate is arranged on the side wall of the connecting hole of the watch case, the closing plate is tightly attached to the baffle plate, a first wire slot for placing the electric wire is arranged on the closing plate, a second wire slot for placing the electric wire is arranged on the baffle plate, the first wire slot and the second wire slot form a round hole, and the surface of the electric wire is tightly attached to the round hole.
As a further improvement of the invention, the watchcase is provided with a second through hole on the inner side wall of the connecting hole, the baffle is slidably arranged in the second through hole, a fixing lug is arranged in the watchcase, the baffle is provided with a fixing rod, the fixing rod is fixedly connected with a connecting rod, the fixing rod and the connecting rod are in an "L" shape, a spring is arranged between the connecting rod and the fixing lug, one end of the spring is abutted against the side surface of the fixing rod, the other end of the spring is abutted against the watchcase, when the baffle is pressed inwards, the spring is compressed, and when the baffle is not pressed, the spring is reset to drive the baffle to reset.
As a further improvement of the invention, the upper edge of the baffle plate is provided with a rubber edge, and the lower edge of the closing plate is provided with a rubber edge.
As a further improvement of the invention, the watchcase is provided with a groove, a rubber strip is arranged in the groove, when the protective cover covers the lower part of the watchcase, the upper side surface of the rubber strip is abutted against the lower edge of the protective cover, and the lower side surface of the rubber strip is abutted against the bottom surface of the groove.
As a further improvement of the invention, the section surfaces of the first through hole and the second through hole are both in a sawtooth shape, and the section surfaces of the baffle plate and the closing plate are both in a sawtooth shape.
The light shading frame has the beneficial effects that after the electric meter is installed, the second rod is rotated to enable the plane formed by the second rod and the first rod to be parallel to the top surface of the electric meter, then the clamping block is aligned to the clamping groove, the light shading plate is installed on the light shading frame to shade direct ultraviolet rays, the aging speed of rubber is slowed down, the service life of the electric meter is prolonged, the first rod is connected with the two second rods, the stability of the two second rods is improved, and the structural stability of the light shading frame is improved; the light screen is set to be trapezoidal, and when installing on the shading frame, the upper base of light screen is close to the table lid, and the table lid is kept away from to the lower bottom, reduces the use material of light screen, energy saving and emission reduction, green to alleviate the weight of light screen, improved the stability in the shading frame use. Simultaneously, the ammeter is installed in higher position usually, has the reflection of light when having sunshine to shine the display screen, and the user is difficult to observe the data of ammeter, sets up the light screen and shelters from the sunlight and is convenient for the user to observe the digit on the ammeter.
Drawings
FIG. 1 is a schematic view of the present invention after installation;
FIG. 2 is a schematic structural diagram of the light screen, the electricity meter and the light screen rack of FIG. 1;
FIG. 3 is a top view of the present invention after installation;
FIG. 4 is a rear view of the present invention;
FIG. 5 is a front view of the present invention;
FIG. 6 is a schematic view of the structure of the protective cover and the closure plate;
FIG. 7 is a schematic view of the construction of the closing plate and the baffle;
FIG. 8 is a schematic structural view of a connection hole in a protection state;
FIG. 9 is a schematic view of the structure of the baffle, the connecting rod, the spring and the fixing protrusion;
FIG. 10 is a schematic structural view of a first via and a second via;
figure 11 is a schematic view of the structure of the protective cover, the watch case, the groove, and the rubber strip.
Detailed Description
The invention will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 and 11, the waterproof and dustproof electric meter of this embodiment includes a case 1 and a cover 2, the case 1 is provided with a cavity for placing an electronic component, the case 1 is provided with a connection hole 11 for inserting a power supply line into the connection with the electronic component, the cover 2 is mounted on the case 1 to seal the electronic component, the cover 2 is hinged to a light shielding frame 21, the light shielding frame 21 is provided with a light shielding plate 22 for shielding sunlight, the light shielding frame 21 includes a first rod 211 and two second rods 212, two ends of the first rod 211 are respectively connected to one end of the second rods 212, the other end of the two second rods 212 connected to the first rod 211 is rotatably connected above the cover 2, the two second rods 212 are provided with a slot 2120 at an interval, the light shielding plates 22 are provided with fixture blocks 221 at intervals, when the light shielding plates 22 are mounted on the light shielding frame 21, the fixture blocks 221 are respectively and correspondingly clamped in the fixture grooves 2120, the light shielding plates 22 are trapezoidal, wherein the length of the lower bottom is longer than that of the first rod 211, the upper bottom is close to the watch cover 2, and the lower bottom is far away from the watch cover 2.
Through above-mentioned technical scheme, after the ammeter installation is accomplished, rotatory second pole 212 makes the plane that second pole 212 and first pole 211 formed parallel with the top surface of ammeter, later with fixture block 221 alignment draw-in groove 2120, installs light screen 22 on shading frame 21, shelters from the ultraviolet ray of direct projection, slows down the ageing speed of rubber, prolongs the life of ammeter, sets up first pole 211 and connects two second poles 212, improves the stability of shading frame 21 structure. In summer, the direct sunlight angle is in the northern hemisphere, especially in the period from 12 to 14, the ultraviolet rays are the strongest, the included angle between the sunlight and the ground is 70-85 degrees, the light shielding plate 22 is trapezoidal, the length of the lower bottom is longer than that of the first rod 211, when the included angle between the sunlight and the ground is 70 degrees, the light shielding plate 22 shields the sunlight, and when the included angle between the sunlight and the ground is 85 degrees, the light shielding plate 22 shields the sunlight to enable the whole ammeter to be in a shadow. The light screen 22 is trapezoidal, and when the light screen is installed on the light screen frame 21, the upper bottom of the light screen 22 is close to the surface cover 2, and the lower bottom is far away from the surface cover 2, so that the used materials of the light screen 22 are reduced, energy conservation and emission reduction are realized, the environment is protected, the weight of the light screen 22 is reduced, and the stability of the light screen frame 21 in the using process is improved. Meanwhile, the ammeter is usually installed at a higher position, and when sunlight irradiates the display screen, the ammeter can reflect light, so that a user can hardly observe data of the ammeter, and the light shielding plate 22 is arranged to shield sunlight, so that the user can conveniently observe the numbers on the ammeter.
As an improved specific embodiment, the cover 2 is provided with a fixing groove 210 for placing the light shielding frame 21, two of the second rods 212 are hinged to a supporting rod 2121, the second rods 212 are provided with a placing groove 2122 for placing the supporting rod 2121, the cover 2 is provided with a toggle groove 2100 on the side wall of the fixing groove 210 for a finger to extend into, the toggle groove 2100 is obliquely arranged outwards from the fixing groove 210, the cross section of the toggle groove is arc-shaped, the other end of the two supporting rods 2121, which are hinged to each other, is a fixing end 21210, two fixing blocks 2101 for placing the fixing ends 21210 are arranged on the bottom surface of the fixing groove 210, and when the two fixing ends 21210 are respectively placed on the fixing blocks 2101, the light shielding frame 21 is supported.
Through the technical scheme, after the electric meter is installed, a finger extends into the shifting groove 2100, the first rod 211 is shifted out, the first rod 211 and the second rod 212 are shifted out in the fixing groove 210, then the fixing rod 2121 is shifted out from the mounting groove 2122, the fixing end 21210 is placed on the fixing block 2101, and the shading frame 21 is fixed; when fixed end 21210 is inconsistent with fixed block 2101, the plane at second pole 212 and first pole 211 place is parallel with the top surface of ammeter, and the cross-section of second pole 212 and ammeter and dead lever 2121 is right angled triangle this moment, and dead lever 2121 is the hypotenuse, only will lay the groove 2122 and set up the one side that deviates from second pole 212 pin joint at second pole 212, and the length of dead lever 2121 can be longer than the right-angle side, otherwise the plane at second pole 212 and first pole 211 place can't be parallel with the top surface of ammeter, and the shading effect is not good. The toggle groove 2100 is obliquely arranged and the section is arc-shaped, so that the shading frame 21 can be conveniently installed in a toggle mode.
As a specific embodiment of the improvement, the back of watchcase 1 is provided with a placement groove 12 for placing the light screen 22, the lower side wall of placement groove 12 is arranged obliquely, watchcase 1 is provided with a grabbing groove 120 for taking out light screen 22 by hand on the side wall of placement groove 12, grabbing groove 120 is arranged obliquely outwards from placement groove 12, and the section is arc.
Through the technical scheme, set up standing groove 12 at watchcase 1's back, light screen 22 is placed in standing groove 12, when outdoor installation, the electrician need not separately to carry ammeter and light screen 22, avoided light screen 22 to lose the problem that influences work efficiency who leads to, accomplish every ammeter all has the light screen 22 rather than matching, what the slope set up snatchs groove 120, and it cuts the section and is the arc, make things convenient for the finger to stretch into the operation and take off light screen 22 and install, standing groove 12's lower side wall slope sets up simultaneously, avoided the ammeter installation back dust to accumulate on standing groove 12, it is cleaner and tidier when changing to make the ammeter, reduce the work load after the ammeter returns the factory maintenance.
As a modified specific embodiment, a protective cover 23 for protecting a connection between an electric wire and an electronic component is hinged to the watch cover 2, a closing plate 231 is disposed on the protective cover 23, a first through hole 111 for inserting the closing plate 231 is disposed on a side wall of the connection hole 11 of the watch case 1, a baffle plate 110 is disposed on a side wall of the connection hole 11 of the watch case 1, the closing plate 231 and the baffle plate 110 are tightly attached to each other, a first wire slot 2310 for placing the electric wire is disposed on the closing plate 231, a second wire slot 1100 for placing the electric wire is disposed on the baffle plate 110, the first wire slot 2310 and the second wire slot 1100 form a circular hole 0, and a surface of the electric wire is tightly attached to the circular hole 0.
Through the technical scheme, insert the electric wire and accomplish the back of connecting in the connecting hole 11, stir the electric wire on the second wire casing 1100 of plate washer 110, later dial visor 23 down, the in-process closure plate 231 of dialling inserts in first through-hole 111 and downward whole inserts, finally it is inconsistent with plate washer 110, first wire casing 2310 and the position of the common fixed electric wire of second wire casing 1100 this moment, the second wire casing 1100 of semi-circular setting, insert the installation when making things convenient for the connection of electric lines, conveniently place and can fix the position of electric wire, with the cooperation of first wire casing 2310 of semi-circular, form round hole 0, the electric wire surface closely laminates with round hole 0, and closure plate 231 and plate washer 110 are inconsistent, seal the connecting hole, improve the waterproof and dustproof performance of connecting hole, and then improve the waterproof and dustproof performance of ammeter.
As a specific embodiment of the improvement, the watchcase 1 is provided with a second through hole 112 on the inner side wall of the connecting hole 11, the baffle 110 is slidably disposed in the second through hole 112, a fixing protrusion 101 is disposed in the watchcase 1, a fixing rod 5 is disposed on the baffle 110, a connecting rod 1101 is fixedly connected to the fixing rod, the fixing rod 5 and the connecting rod 1101 are in an "L" shape, a spring 3 is disposed between the connecting rod 1101 and the fixing protrusion 101, one end of the spring 3 abuts against the side surface of the fixing rod 5, and the other end abuts against the watchcase 1, when the baffle 110 is pressed inward, the spring 3 is compressed, and when the baffle 110 is not pressed, the spring 3 is reset, which drives the baffle 110 to reset.
Through the technical scheme, the baffle 110 is connected in the second through hole 112 in a sliding manner, an electrician presses the baffle 110 first when installing the electric wire, the spring 3 is compressed, the area of the connecting hole 11 is increased, the electrician can conveniently insert the electric wire into the connecting hole 11, the electrician can perform the installation operation of fixedly connecting with an internal circuit, after the electric wire is installed, the baffle 110 is loosened, the spring 3 resets at the moment, the baffle 110 is driven to reset through the connecting rod 1101 and the fixing rod 5, the fixing rod 5 is arranged to be connected with the connecting rod 1101, a gap is formed between the connecting rod and the baffle 110, the spring 3 is convenient to install, the fixing rod 5 and the L-shaped arrangement of the connecting rod 1101 are abutted against one end of the spring 3, the stability of the spring 3 when the spring 3 is compressed and reset is improved, the electric wire is moved into the second wire groove 1100 at the moment, then the protective cover 23 is covered, the elastically arranged baffle 110 is convenient to install the electric wire when installing, and after the installation is completed, the The waterproof and dustproof performance of the connecting hole 11 is further improved.
In a modified embodiment, the upper edge of the baffle 110 is provided with a rubber edge, and the lower edge of the closing plate 231 is provided with a rubber edge.
Through above-mentioned technical scheme, the last border of plate washer 110 sets up rubber edge, the lower border of closing plate 231 sets up rubber edge, and the upper border of plate washer 110 offsets with the lower border of closing plate 231, and rubber edge sets up the waterproof dustproof effect that has further improved the ammeter.
As a modified specific embodiment, the watch case 1 is provided with a groove 14, a rubber strip 140 is installed in the groove 14, when the protective cover 23 is covered, the upper side of the rubber strip 140 is abutted against the lower edge of the protective cover 23, and the lower side is abutted against the bottom surface of the groove 14.
Through the technical scheme, when the electric meter is in a protection state, the protection cover 23 covers the meter case 1, the upper side surface of the rubber strip 140 is abutted against the lower edge of the protection cover 23, and the lower side surface of the rubber strip is abutted against the bottom surface of the groove 14. The existing watchcase 1 is not provided with the groove 14 and the rubber strip 140, when the protective cover 23 covers the watchcase 1, the joint of the electric wire and the electronic component cannot be protected, the waterproof and moistureproof performance is poor, and the groove 14 and the rubber strip 140 are arranged to protect the waterproof and moistureproof effect of the joint of the electric wire and the electronic component.
In a modified embodiment, the cross-sectional areas of the first through hole 111 and the second through hole 112 are both saw-toothed, and the cross-sectional areas of the baffle plate 110 and the closing plate 231 are both saw-toothed.
Through the technical scheme, the first through hole 111, the second through hole 112, the closing plate 231 and the baffle plate 110 which are arranged in the zigzag shape improve the heat dissipation area of the electric wire, which is connected with the electronic component and is positioned outside, improve the waterproof and dustproof effect of the electric meter, improve the heat dissipation effect of the electric meter, reduce potential safety hazards and enable the electric meter to work more stably.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (4)
1. The utility model provides a waterproof dustproof ammeter, including watchcase (1) and table lid (2), set up the cavity that is used for placing electronic components on watchcase (1), set up power supply line on watchcase (1) and insert connecting hole (11) of being connected with electronic components, including table lid (2) are installed on watchcase (1) and are sealed electronic components, its characterized in that: the watch cover (2) is hinged with a shading frame (21), the shading frame (21) is provided with a shading plate (22) used for shading sunlight, the shading frame (21) comprises a first rod (211) and two second rods (212), two ends of the first rod (211) are respectively connected with one end of the second rod (212), the other end of the two second rods (212) connected with the first rod (211) is rotatably connected above the watch cover (2), the two second rods (212) are provided with clamping grooves (2120) at intervals, the shading plate (22) is provided with clamping blocks (221) at intervals, when the shading plate (22) is installed on the shading frame (21), the clamping blocks (221) are respectively clamped into the clamping grooves (2120) in a one-to-one correspondence mode, the shading plate (22) is trapezoidal, the length of the lower bottom of the shading plate is longer than that of the first rod (211), the upper bottom of the shading plate is close to the watch cover (2), the lower bottom is far away from the watch cover (2);
the light shading frame is characterized in that a fixing groove (210) for placing a light shading frame (21) is formed in the meter cover (2), two second rods (212) are hinged to supporting rods (2121), a placing groove (2122) for placing the supporting rods (2121) is formed in each second rod (212), a poking groove (2100) for fingers to extend into is formed in the side wall of each fixing groove (210) of the meter cover (2), the poking groove (2100) is obliquely arranged outwards from the fixing groove (210), the section of the poking groove is arc-shaped, the other end, hinged to each supporting rod (2121), of each fixing end (21210) is a fixing end, two fixing blocks (2101) for placing the fixing ends (21210) are arranged on the bottom surface of each fixing groove (210), and when the two fixing ends (21210) are placed on the fixing blocks (2101), the light shading frame (21) is supported;
the back of the watchcase (1) is provided with a placing groove (12) for placing the light screen (22), the lower side wall of the placing groove (12) is obliquely arranged, the side wall of the placing groove (12) of the watchcase (1) is provided with a grabbing groove (120) for a hand to take out the light screen (22), the grabbing groove (120) is obliquely arranged outwards from the placing groove (12), and the section of the grabbing groove is arc-shaped;
the meter cover (2) is hinged with a protective cover (23) for protecting the connection position of an electric wire and an electronic element, a closing plate (231) is arranged on the protective cover (23), a first through hole (111) for inserting the closing plate (231) is formed in the side wall of a connecting hole (11) of the meter shell (1), a baffle plate (110) is arranged on the side wall of the connecting hole (11) of the meter shell (1), the closing plate (231) is tightly attached to the baffle plate (110), a first wire groove (2310) for placing the electric wire is formed in the closing plate (231), a second wire groove (1100) for placing the electric wire is formed in the baffle plate (110), the first wire groove (2310) and the second wire groove (1100) form a round hole (0), and the surface of the electric wire is tightly attached to the round hole (0);
the watchcase (1) is provided with a second through hole (112) on the inner side wall of the connecting hole (11), the baffle (110) is arranged in the second through hole (112) in a sliding manner, a fixing lug (101) is arranged in the watchcase (1), a fixing rod (5) is arranged on the baffle (110), a connecting rod (1101) is fixedly connected onto the fixing rod, the fixing rod (5) and the connecting rod (1101) are L-shaped, a spring (3) is arranged between the connecting rod (1101) and the fixing lug (101), one end of the spring (3) is abutted to the side face of the fixing rod (5), the other end of the spring is abutted to the watchcase (1), when the baffle (110) is pressed inwards, the spring (3) is compressed, and when the baffle (110) is not pressed, the spring (3) is reset to drive the baffle (110) to reset.
2. The waterproof and dustproof electricity meter of claim 1, wherein: the upper edge of the baffle plate (110) is provided with a rubber edge, and the lower edge of the closing plate (231) is provided with a rubber edge.
3. The waterproof and dustproof electricity meter of claim 2, wherein: be provided with recess (14) on watchcase (1), install rubber strip (140) in recess (14), when visor (23) lid down, the upper side of rubber strip (140) is inconsistent with the lower limb of visor (23), and the downside is inconsistent with the bottom surface of recess (14).
4. The waterproof and dustproof electricity meter according to any one of claims 1 to 3, wherein: the section surfaces of the first through hole (111) and the second through hole (112) are both in a sawtooth shape, and the section surfaces of the baffle plate (110) and the closing plate (231) are both in a sawtooth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053784.9A CN108957072B (en) | 2018-09-10 | 2018-09-10 | Waterproof dustproof ammeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811053784.9A CN108957072B (en) | 2018-09-10 | 2018-09-10 | Waterproof dustproof ammeter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108957072A CN108957072A (en) | 2018-12-07 |
| CN108957072B true CN108957072B (en) | 2021-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811053784.9A Active CN108957072B (en) | 2018-09-10 | 2018-09-10 | Waterproof dustproof ammeter |
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| Country | Link |
|---|---|
| CN (1) | CN108957072B (en) |
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| CN206385747U (en) * | 2016-12-29 | 2017-08-08 | 河海大学设计研究院有限公司 | A kind of Window sun-shading shutter |
| CN107912010B (en) * | 2017-11-16 | 2019-08-27 | 温州电力设计有限公司 | A kind of anti-interference power equipment based on shielded layer principle |
| CN107884609A (en) * | 2017-11-21 | 2018-04-06 | 艾蕾 | A kind of rain-proof type electric power electricity box installed outdoors |
| CN108152550A (en) * | 2018-01-17 | 2018-06-12 | 罗必锋 | A kind of ammeter installs rain-proof structure |
| CN108445272A (en) * | 2018-06-26 | 2018-08-24 | 广东电网有限责任公司 | Outdoor electricity meter box |
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2018
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| EP0615130A2 (en) * | 1993-03-09 | 1994-09-14 | Heinrich Baumgarten Kg Spezialfabrik Für Beschlagteile | Covering housing |
| CN106381649A (en) * | 2016-12-13 | 2017-02-08 | 盐城工学院 | Floor type intelligent clothes drying equipment and clothes drying system |
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|---|---|
| CN108957072A (en) | 2018-12-07 |
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