CN112763776A - Three-phase multifunctional electric power instrument with environment protection effect - Google Patents
Three-phase multifunctional electric power instrument with environment protection effect Download PDFInfo
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- CN112763776A CN112763776A CN202110149886.6A CN202110149886A CN112763776A CN 112763776 A CN112763776 A CN 112763776A CN 202110149886 A CN202110149886 A CN 202110149886A CN 112763776 A CN112763776 A CN 112763776A
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- 230000000694 effects Effects 0.000 title claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 89
- 239000003063 flame retardant Substances 0.000 claims abstract description 16
- 238000005260 corrosion Methods 0.000 claims abstract description 14
- 230000007613 environmental effect Effects 0.000 claims abstract description 11
- 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 9
- 238000007789 sealing Methods 0.000 claims description 61
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000005855 radiation Effects 0.000 claims description 8
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 abstract description 12
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 239000002274 desiccant Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a three-phase multifunctional electric power instrument with an environment protection effect, which comprises an instrument body and a protective shell, wherein the protective shell comprises a waterproof layer, a flame-retardant layer and a corrosion-resistant layer, the inner surface of the corrosion-resistant layer is fixedly connected with the outer surface of the waterproof layer, and the inner surface of the waterproof layer is fixedly connected with the outer surface of the flame-retardant layer. This multi-functional electric power instrument of three-phase that possesses environmental protection effect, arrange this instrument in the protective housing during the use, the protective housing is provided with the waterproof layer, then the closing plate is fixed through fixed establishment and protective housing, protect inside instrument, during external environment, can prevent entering instrument such as rainwater, prevent it and wet, it is dry to place the drier package on the board to place the instrument inside simultaneously, the waterproof nature of this instrument has been improved, the setting on fire-retardant layer and corrosion resistant layer, prevent that the instrument from receiving conflagration or the harm of corruption, the life of instrument has been prolonged.
Description
Technical Field
The invention relates to the technical field of instruments and meters, in particular to a three-phase multifunctional electric power instrument with an environment protection effect.
Background
The electric power instrument is an advanced intelligent and digital electric network front-end acquisition element which is widely used in various control systems, SCADA (supervisory control and data acquisition) systems, energy management systems, substation automation, community electric power monitoring, industrial automation, intelligent buildings, intelligent power distribution cabinets, switch cabinets and other equipment and has the characteristics of convenience in installation, simplicity in wiring, small engineering quantity and the like, wherein the three-phase multifunctional electric power instrument is a multifunctional intelligent instrument with programmable measurement, display, digital communication, electric energy pulse transmission output and the like, can complete electric quantity measurement, electric energy measurement, data display, acquisition and transmission, and can be widely applied to electric energy measurement, automation, power distribution, intelligent buildings and electric equipment inside enterprises, Management and assessment are carried out, the measurement precision is 0.5 grade, LED field display and remote RS-485 digital interface communication are realized, and an MODBUS-RTU communication protocol is adopted.
At present, the three-phase multifunctional electric power instrument does not have an environment protection effect, is installed outdoors, can not protect the electric power instrument under the severe environment, is easy to damp in the electric power instrument, and can cause damage to the instrument when dust easily invades into the electric power instrument, thereby influencing the normal work of the instrument and shortening the service life of the instrument.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a three-phase multifunctional electric power instrument with an environment protection effect, and solves the problems that the environment protection effect is not available, the electric power instrument cannot be protected, the interior of the electric power instrument is easily affected with damp, dust easily invades into the interior of the electric power instrument, the instrument can be damaged, the normal work of the instrument is influenced, and the service life of the instrument is shortened.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a multi-functional electric power instrument of three-phase that possesses environmental protection effect, includes instrument body and protective housing, the protective housing includes waterproof layer, fire-retardant layer and corrosion-resistant layer, the internal surface on corrosion-resistant layer is connected with the external fixed surface of waterproof layer, the internal surface of waterproof layer is connected with the external fixed surface on fire-retardant layer, the front of protective housing is provided with sealing mechanism.
The sealing mechanism comprises a sealing plate, the front surface of the protective shell is movably connected with the back surface of the sealing plate, the back surface of the sealing plate is fixedly connected with a rectangular hollow plate, the back surface of the sealing plate is located on a sealing ring fixedly connected with the periphery of the rectangular hollow plate, the inner side of the sealing ring is fixedly connected with a rubber ball, one side of the rubber ball, away from the sealing ring, is fixedly connected with the outer side of the rectangular hollow plate, the outer side of the sealing ring is movably connected with the inner wall of the protective shell, and the two sides of the top of the sealing plate and the two sides of.
Preferably, the fixing mechanism comprises an L-shaped plate, the top and the bottom of the sealing plate are both provided with a movable groove, and the bottom of the inner wall of the movable groove is fixedly connected with a first spring.
Preferably, one end of the first spring, which is far away from the inner wall of the movable groove, is fixedly connected with a baffle, one side of the baffle, which is far away from the first spring, is fixedly connected with the bottom of the L-shaped plate, and one side of the L-shaped plate, which is far away from the baffle, penetrates through the sealing plate and extends to the outside of the sealing plate.
Preferably, the bottom that the L template extends to outside one side of closing plate and the top swing joint of protective housing, the positive both sides in protective housing top and the equal fixedly connected with threaded rod in the positive both sides in bottom, the through-hole with threaded rod looks adaptation is seted up at the top of L template.
Preferably, the top end of the threaded rod penetrates through the L-shaped plate and extends to the outside of the L-shaped plate, and the threaded rod extends to the surface of one end of the outside of the L-shaped plate and is in threaded connection with a nut at the top of the L-shaped plate.
Preferably, the back fixedly connected with heat-conducting plate of protective housing inner wall, and the back fixedly connected with heat radiation fins of heat-conducting plate, one side that heat radiation fins kept away from the heat-conducting plate runs through the protective housing and extends to the outside of protective housing.
Preferably, the top and the equal fixedly connected with in bottom of protective housing inner wall both sides place the board, and the surface of placing the board has seted up the bleeder vent, the bottom fixedly connected with fixed plate of protective housing inner wall, and the top of fixed plate passes through screw threaded connection with the bottom of instrument body.
Preferably, the top and the equal fixedly connected with second spring in bottom of protective housing inner wall both sides, and the one end fixedly connected with splint that the protective housing inner wall was kept away from to the second spring, one side that the second spring was kept away from to splint and one side swing joint of instrument body, the equal fixedly connected with riser in the back of protective housing both sides, and one side that the protective housing was kept away from to the riser articulates there is the mounting panel.
(III) advantageous effects
The invention provides a three-phase multifunctional electric power instrument with an environment protection effect. Compared with the prior art, the method has the following beneficial effects:
(1) the three-phase multifunctional electric power instrument with the environment protection effect comprises a waterproof layer, a flame-retardant layer and a corrosion-resistant layer through a protective shell, wherein the inner surface of the corrosion-resistant layer is fixedly connected with the outer surface of the waterproof layer, the inner surface of the waterproof layer is fixedly connected with the outer surface of the flame-retardant layer, the top and the bottom of the two sides of the inner wall of the protective shell are both fixedly connected with placing plates, and the surfaces of the placing plates are provided with air holes, when in use, the instrument is placed in the protective shell, the protective shell is provided with the waterproof layer, then a sealing plate is fixed with the protective shell through a fixing mechanism to protect the internal instrument, rainwater and the like can be prevented from entering the instrument in an external environment and being damped, meanwhile, a desiccant bag is placed on the placing plates in the inner part to dry the inside of the instrument, the waterproof, the service life of the instrument is prolonged.
(2) This multi-functional electric power instrument of three-phase that possesses environmental protection effect, include the closing plate through sealing mechanism, the front of protective housing and the back swing joint of closing plate, the hollow board of back fixedly connected with rectangle of closing plate, the back of closing plate just is located the peripheral fixedly connected with sealing washer of the hollow board of rectangle, and the inboard fixedly connected with rubber ball of sealing washer, one side that the sealing washer was kept away from to the rubber ball and the outside fixed connection of the hollow board of rectangle, the outside of sealing washer and the inner wall swing joint of protective housing, when the closing plate is connected with the protective housing, the sealing washer seals closing plate and protective housing joint gap department, it is waterproof simultaneously to prevent that the dust from getting into in the protective housing, thereby the protection instrument does not receive the invasion of.
(3) This multi-functional electric power instrument of three-phase that possesses environment protective effect, back fixedly connected with heat-conducting plate through the protective housing inner wall, and the back fixedly connected with heat radiation fins of heat-conducting plate, one side that heat radiation fins kept away from the heat-conducting plate runs through the protective housing and extends to the outside of protective housing, and the heat that the instrument gived off is absorbed through the heat-conducting plate, and the heat-conducting plate is outside with heat conduction to the protective housing through heat radiation fins again, has improved the radiating efficiency.
Drawings
FIG. 1 is a perspective view of the structure of the present invention;
FIG. 2 is a front view of the internal structure of the protective case of the present invention;
FIG. 3 is a rear view of the seal plate structure of the present invention;
FIG. 4 is a partial cross-sectional view of the protective case structure of the present invention;
FIG. 5 is a side view of the internal structure of the protective case of the present invention;
fig. 6 is a partial enlarged view of the invention at a in fig. 5.
In the figure, 1 meter body, 2 protective shell, 21 waterproof layer, 22 flame retardant layer, 23 corrosion resistant layer, 3 sealing mechanism, 31 sealing plate, 32 rectangular hollow plate, 33 sealing ring, 34 rubber ball, 35 fixing mechanism, 351L type plate, 352 movable groove, 353 first spring, 354 baffle, 355 threaded rod, 356 through hole, 357 nut, 4 heat conducting plate, 5 heat radiating fin, 6 placing plate, 7 breather, 8 fixing plate, 9 second spring, 10 clamping plate, 11 vertical plate and 12 mounting plate.
Detailed Description
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. 1-6, an embodiment of the present invention provides a technical solution: the utility model provides a multi-functional electric power instrument of three-phase that possesses environment protecting effect, including instrument body 1 and protective housing 2, protective housing 2 includes waterproof layer 21, fire-retardant layer 22 and corrosion-resistant layer 23, waterproof layer 21 adopts the polyethylene material to make, waterproof nature is good, the surface coating of fire-retardant layer 22 has the polypropylene fire retardant, the ignition point of protective housing 2 has been improved, flame retardant efficiency is good, corrosion-resistant layer 23 is made for the epoxy material, corrosion-resistant layer 23's internal surface and waterproof layer 21's external fixed surface are connected, waterproof layer 21's internal surface and fire-retardant layer 22's external fixed surface are connected, protective housing 2's front is provided with sealing mechanism 3.
In the embodiment of the invention, the sealing mechanism 3 comprises a sealing plate 31, the sealing plate 31 is matched with the protective shell 2, the front surface of the sealing plate 31 is provided with a visual window for observing data displayed by the instrument body 1, the front surface of the protective shell 2 is movably connected with the back surface of the sealing plate 31, the back surface of the sealing plate 31 is fixedly connected with a rectangular hollow plate 32, the back surface of the sealing plate 31 and the periphery of the rectangular hollow plate 32 are fixedly connected with a sealing ring 33, the sealing ring 33 is matched with an opening on the front surface of the protective shell 2, and the inboard fixedly connected with rubber ball 34 of sealing washer 33, sealing washer 33 and rubber ball 34 can be changed, guarantee elasticity, and the one side that sealing washer 33 was kept away from to rubber ball 34 is fixedly connected with the outside of rectangular hollow plate 32, and the outside of sealing washer 33 and the inner wall swing joint of protective housing 2, and the both sides at the top of closing plate 31 and the both sides of bottom all are provided with fixed establishment 35.
In the embodiment of the present invention, the fixing mechanism 35 includes an L-shaped plate 351, the top and the bottom of the sealing plate 31 are both provided with a movable groove 352, and the bottom of the inner wall of the movable groove 352 is fixedly connected with a first spring 353.
In the embodiment of the invention, one end of the first spring 353, which is far away from the inner wall of the movable groove 352, is fixedly connected with the baffle 354, the baffle 354 prevents the L-shaped plate 351 from moving out of the movable groove 352, and one side of the baffle 354, which is far away from the first spring 353, is fixedly connected with the bottom of the L-shaped plate 351, and one side of the L-shaped plate 351, which is far away from the baffle 354, penetrates through the sealing plate 31 and extends to the outside of.
In the embodiment of the invention, the bottom of the L-shaped plate 351 extending to one side of the outside of the sealing plate 31 is movably connected with the top of the protective shell 2, the two sides of the front surface of the top of the protective shell 2 and the two sides of the front surface of the bottom are both fixedly connected with the threaded rod 355, and the top of the L-shaped plate 351 is provided with the through hole 356 matched with the threaded rod 355.
In the embodiment of the present invention, the top end of the threaded rod 355 penetrates through the L-shaped plate 351 and extends to the outside of the L-shaped plate 351, the threaded rod 355 extends to the surface of one end of the outside of the L-shaped plate 351 and is connected with the nut 357 through a thread at the top of the L-shaped plate 351, and the nut 357 and the threaded rod 355 fix the L-shaped plate 351 on the protective case 2.
In the embodiment of the invention, the heat conducting plate 4 is fixedly connected to the back surface of the inner wall of the protective shell 2, the heat radiating fins 5 are fixedly connected to the back surface of the heat conducting plate 4, the heat radiating efficiency is improved by the arrangement of the heat conducting plate 4 and the heat radiating fins 5, and one side of each heat radiating fin 5, which is far away from the heat conducting plate 4, penetrates through the protective shell 2 and extends to the outside of the protective shell 2.
In the embodiment of the invention, the top and the bottom of the two sides of the inner wall of the protective shell 2 are fixedly connected with the placing plates 6, the desiccant bags are placed in the placing plates 6 to dry the protective shell 2, the surfaces of the placing plates 6 are provided with the air holes 7, the bottom of the inner wall of the protective shell 2 is fixedly connected with the fixing plate 8, and the top of the fixing plate 8 is in threaded connection with the bottom of the instrument body 1 through screws.
In the embodiment of the invention, the top and the bottom of two sides of the inner wall of the protective shell 2 are fixedly connected with the second springs 9, the second springs 9 can be replaced to ensure elasticity, one ends of the second springs 9 far away from the inner wall of the protective shell 2 are fixedly connected with the clamping plates 10, one sides of the clamping plates 10 far away from the second springs 9 are movably connected with one side of the instrument body 1, the back surfaces of two sides of the protective shell 2 are fixedly connected with the vertical plates 11, one sides of the vertical plates 11 far away from the protective shell 2 are hinged with the mounting plate 12, the mounting plate 12 is provided with threaded holes to facilitate mounting of the device with the outside, meanwhile, the content which is not described in detail in the specification belongs to the prior art which is known by technicians in the field, the model parameters of the instrument.
When the waterproof sealing device works, the instrument body 1 is placed on the fixing plate 8 in the protective shell 2, the clamping plates 10 are extruded on two sides of the instrument body 1, the clamping plates 10 extrude the second spring 9, the instrument body 1 is clamped and fixed by the clamping plates 10 under the reaction force of the second spring 9, the drying agent bag is placed on the placing plate 6 to dry the inside of the instrument body 1, then the sealing plate 31 is connected with the front side of the protective shell 2, the sealing ring 33 behind the sealing plate 31 enters the protective shell 2, under the reaction force of the rubber ball 34, the sealing ring 33 is connected with the inner wall of the protective shell 2 more tightly, the sealing ring 33 seals the connecting gap between the sealing plate 31 and the protective shell 2, the waterproof sealing plate 31 and the protective shell 2 are waterproof, meanwhile, the L-shaped plate 351 on the sealing plate 31 is pulled, the L-shaped plate 351 drives the first spring 353 to stretch upwards, so that the L, the threaded rod 355 passes through the through hole 356 on the L-shaped plate 351, the L-shaped plate 351 is driven by the first spring 353, the screw rod 355 is contacted with the protective shell 2, after the screw rod 355 passes through the L-shaped plate 351, the nut 357 is screwed on the screw rod 355, the L-shaped plate 351 is fixed on the protective shell 2, thereby fixing the sealing plate 31 to the protective case 2, the protective case 2 is provided with the waterproof layer 21, the flame-retardant layer 22 and the corrosion-resistant layer 23, the instrument body 1 is protected, when the instrument body 1 works, the data displayed by the instrument body 1 is observed through the visual window on the sealing plate 31, the heat emitted by the instrument body 1 is absorbed by the heat conducting plate 4, and then the absorbed heat is conducted out of the protective shell 2 by the radiating fins 5 for heat radiation, when the instrument body 1 is installed, the mounting plates 12 on both sides are rotated to a flat state, and screws are mounted with the outside through threaded holes.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (8)
1. The utility model provides a multi-functional electric power instrument of three-phase that possesses environmental protection effect, includes instrument body (1) and protective housing (2), its characterized in that: the protective shell (2) comprises a waterproof layer (21), a flame-retardant layer (22) and an anti-corrosion layer (23), the inner surface of the anti-corrosion layer (23) is fixedly connected with the outer surface of the waterproof layer (21), the inner surface of the waterproof layer (21) is fixedly connected with the outer surface of the flame-retardant layer (22), and the front surface of the protective shell (2) is provided with a sealing mechanism (3);
sealing mechanism (3) include closing plate (31), the front of protective housing (2) and the back swing joint of closing plate (31), the hollow board of back fixedly connected with rectangle (32) of closing plate (31), the back of closing plate (31) just is located the peripheral fixedly connected with sealing washer (33) of the hollow board of rectangle (32), and inboard fixedly connected with rubber ball (34) of sealing washer (33), the outside fixed connection of sealing washer (33) and the hollow board of rectangle (32) is kept away from in rubber ball (34), the outside of sealing washer (33) and the inner wall swing joint of protective housing (2), the both sides at closing plate (31) top and the both sides of bottom all are provided with fixed establishment (35).
2. The three-phase multifunctional electric power instrument with the environmental protection effect as claimed in claim 1, wherein: the fixing mechanism (35) comprises an L-shaped plate (351), movable grooves (352) are formed in the top and the bottom of the sealing plate (31), and first springs (353) are fixedly connected to the bottoms of the inner walls of the movable grooves (352).
3. The three-phase multifunctional electric power instrument with the environmental protection effect as claimed in claim 2, wherein: one end, far away from the inner wall of the movable groove (352), of the first spring (353) is fixedly connected with a baffle plate (354), one side, far away from the first spring (353), of the baffle plate (354) is fixedly connected with the bottom of the L-shaped plate (351), one side, far away from the baffle plate (354), of the L-shaped plate (351) penetrates through the sealing plate (31) and extends to the outside of the sealing plate (31).
4. The three-phase multifunctional electric power instrument with the environmental protection effect as claimed in claim 2, wherein: l template (351) extend to the bottom of outside one side of closing plate (31) and the top swing joint of protective housing (2), the positive both sides in protective housing (2) top and the equal fixedly connected with threaded rod (355) of the positive both sides in bottom, through-hole (356) with threaded rod (355) looks adaptation are seted up at the top of L template (351).
5. The three-phase multifunctional electric power instrument with the environmental protection effect as claimed in claim 4, wherein: the top end of the threaded rod (355) penetrates through the L-shaped plate (351) and extends to the outside of the L-shaped plate (351), and the threaded rod (355) extends to the surface of one end of the outside of the L-shaped plate (351) and is in threaded connection with a nut (357) at the top of the L-shaped plate (351).
6. The three-phase multifunctional electric power instrument with the environmental protection effect as claimed in claim 1, wherein: the back fixedly connected with heat-conducting plate (4) of protective housing (2) inner wall, and the back fixedly connected with heat radiation fins (5) of heat-conducting plate (4), one side that heat radiation fins (5) kept away from heat-conducting plate (4) runs through protective housing (2) and extends to the outside of protective housing (2).
7. The three-phase multifunctional electric power instrument with the environmental protection effect as claimed in claim 1, wherein: the instrument is characterized in that the plates (6) are placed on the tops of the two sides of the inner wall of the protective shell (2) and the bottom of the two sides of the inner wall of the protective shell, air holes (7) are formed in the surface of the plates (6), the fixed plate (8) is fixedly connected to the bottom of the inner wall of the protective shell (2), and the top of the fixed plate (8) is connected with the bottom of the instrument body (1) through screw threads.
8. The three-phase multifunctional electric power instrument with the environmental protection effect as claimed in claim 1, wherein: the instrument is characterized in that the top and the bottom of the two sides of the inner wall of the protective shell (2) are fixedly connected with second springs (9), one end of each second spring (9) is fixedly connected with a clamp plate (10) of the inner wall of the protective shell (2), one side of each clamp plate (10) away from the second springs (9) is movably connected with one side of the instrument body (1), the back of the two sides of the protective shell (2) is fixedly connected with vertical plates (11), and one side, away from the protective shell (2), of each vertical plate (11) is hinged to a mounting plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110149886.6A CN112763776A (en) | 2021-02-03 | 2021-02-03 | Three-phase multifunctional electric power instrument with environment protection effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110149886.6A CN112763776A (en) | 2021-02-03 | 2021-02-03 | Three-phase multifunctional electric power instrument with environment protection effect |
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| CN112763776A true CN112763776A (en) | 2021-05-07 |
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| CN202110149886.6A Pending CN112763776A (en) | 2021-02-03 | 2021-02-03 | Three-phase multifunctional electric power instrument with environment protection effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113873794A (en) * | 2021-08-27 | 2021-12-31 | 邵振 | Instrument and meter that waterproof nature electrician used |
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| CN211697900U (en) * | 2020-01-13 | 2020-10-16 | 天津雷盾电气设备有限公司 | Environment-resistant electric multifunctional instrument |
| CN211785664U (en) * | 2020-01-13 | 2020-10-27 | 天津雷盾电气设备有限公司 | Intelligent electric multifunctional instrument |
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| CN113873794A (en) * | 2021-08-27 | 2021-12-31 | 邵振 | Instrument and meter that waterproof nature electrician used |
| CN113873794B (en) * | 2021-08-27 | 2023-01-13 | 中电装备山东电子有限公司 | Instrument and meter that waterproof nature electrician used |
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