CN205067575U - Digital display intelligence three -phase table - Google Patents

Digital display intelligence three -phase table Download PDF

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Publication number
CN205067575U
CN205067575U CN201520836893.3U CN201520836893U CN205067575U CN 205067575 U CN205067575 U CN 205067575U CN 201520836893 U CN201520836893 U CN 201520836893U CN 205067575 U CN205067575 U CN 205067575U
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CN
China
Prior art keywords
upper cover
digital display
button
buckle
back cover
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.)
Expired - Fee Related
Application number
CN201520836893.3U
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Chinese (zh)
Inventor
刘月楼
王康坤
倪汉兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Yanzhao Electronic Technology Co Ltd
Original Assignee
Shanghai Yanzhao Electronic Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Yanzhao Electronic Technology Co Ltd filed Critical Shanghai Yanzhao Electronic Technology Co Ltd
Priority to CN201520836893.3U priority Critical patent/CN205067575U/en
Application granted granted Critical
Publication of CN205067575U publication Critical patent/CN205067575U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model relates to a digital display intelligence three -phase table belongs to electric power instrument field, and it is complicated to solve current digital display intelligence three -phase table structure, and installation cost is high, overhauls difficulty and the big problem of LED backlight occupation space, the technical scheme of adoption: the upper cover lock forms the cavity that is used for placing the LED display screen between backshell top and upper cover and backshell, the upper cover is provided with fixed buckle with four bights of backshell junction, fixed buckle includes the buckle base member, connecting portion are extended to the lower part of buckle base member, the inboard of connecting portion is provided with a plurality of lock external tooths, be provided with the lock internal tooth rather than suiting on the corresponding backshell of lock external tooth, the upper cover below is equipped with the LED display screen, the LED display screen includes the main part, the membrane of borduring, the LED light source, PCB circuit board and ABS support, the main part upside is stained with the membrane of borduring, be fixed with the main part on the ABS support, main part one side is fixed with LED light source and PCB circuit board, LED light source and the welding of PCB circuit board, the main part form by diffusion barrier, light guide plate and reflectance coating adhesion.

Description

A kind of digital display intelligent three-phase meter
technical field:
The utility model belongs to electric instrument field, particularly relates to a kind of digital display intelligent three-phase meter.
background technology:
The electric instrument of current employing has two kinds, and one is mechanical pointer, and inner employing looks after and guides some position device, and complicated operation, measuring accuracy is not high enough, does not realize intellectuality, not accurate enough to the measurement of electric current and voltage.Along with the development of China's power technology, new digital display intelligent three-phase meter is high with its measuring accuracy, with low cost, and the advantage that reliability is strong instead of mechanical pointer three-phase meter gradually.
Although the digital display intelligent three-phase meter of existing use has the advantage of its uniqueness, in the process of practical operation, also there is following problem.
1 is that the shell structure of existing digital display intelligent three-phase meter normally adopts being fixedly connected with of non-dismounting type, although this syndeton is firm, causes the difficulty of maintenance, can not carry out laid-up, cause very large waste of material.And the complex structure of this anti-dismounted, add making and installation cost.
2 be existing digital display intelligent three-phase meter LED backlight major part adopt be light guide plate one structural design, although this design can meet the lighting requirement of most industry to liquid crystal display reading substantially.But at present, comprehensive technological transformation is just done to national electric instrument by State Grid Corporation of China, the simple structural design of traditional LED backlight can not meet national grid and install and cost-saving requirement module.Most LED backlight adopts plug-in unit LED light source, and the space hold of plug-in unit is too many, causes small product size larger.
3 is that button on existing digital display intelligent three-phase meter is not dust-proof, and after a long time use, dust can enter chip internal from button, causes button to damage, and button is shorter for serviceable life.
utility model content:
The utility model overcomes the deficiency that prior art exists, solve existing digital display intelligent three-phase meter complex structure, installation cost is high, maintenance difficulty and LED backlight take up room large problem, aim to provide a kind of digital display intelligent three-phase meter, this digital display intelligent single-phase meter novel in structural design, installation process is simple, low cost of manufacture, upper cover is easily separated with back cover, thus realizes the overhaul plan to digital display Intelligent single-phase table.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of digital display intelligent three-phase meter, comprise the back cover of upper opening and the upper cover of square, upper cover to be fastened on above back cover and the cavity formed between upper cover and back cover for placing LED display, four bights of upper cover and back cover junction are provided with fixing buckle, described fixing buckle comprises buckle matrix, described buckle matrix entirety is in fan-shaped, connecting portion is extended in the bottom of buckle matrix, the inner side of connecting portion is provided with multiple fastening external tooth, fasten on the corresponding back cover of external tooth and be provided with the fastening internal tooth adapted with it, buckle matrix is fixedly connected with upper cover, fastening internal tooth engages each other with fastening external tooth and is fixedly connected with back cover by upper cover, the end face of described upper cover offers viewing area and multiple key hole, LED display is fixedly installed below upper cover,
Described LED display comprises main body, bound edge film, LED light source, PCB and ABS support, bound edge film is stained with on the upside of described main body, ABS support is fixed with main body, main body side is fixed with LED light source and PCB, LED light source welds with PCB, and described main body is adhered to by diffusion barrier, light guide plate and reflectance coating and forms.
Further, the side of described ABS support is provided with multiple through hole.
Further, described ABS support is provided with four reference columns for fixing PCB.
Further, in described key hole, button is installed, described button comprises the housing for holding button, housing entirety is cup-shaped, and the bottom of housing is provided with bow-shaped shrapnel, and the top of shell fragment is provided with button, two shoulders of button and housing tip wall are at same plane, the flexible seal of arranged outside of button, described elastic sealed body is coated on the outside of button and housing, and the arranged outside of elastic sealed body is used for fixing pressing plate.
Further, described elastic sealed body comprises sealing matrix, and described sealing matrix is groove-like, and the extension parallel with groove floor is extended to both sides in the two ends of groove.
Further, described back cover is made up of four layer materials: be furnished with plastic outer layer, separation layer, metal net layer and flame-retardant layer successively from the inside to the outside, and described separation layer is metal material layer.
Further, the material of described fixing buckle is nylon.
The utility model compared with prior art has following beneficial effect: connected by fixing buckle between the upper cover of digital display intelligent three-phase meter of the present utility model and back cover, fixing buckle is fixedly connected with upper cover, removably connect with back cover, like this when needs overhaul, fixing buckle is only needed to be separated with back cover, just can carry out repair and maintenance to the electric elements in back cover, whole casing connecting structure is simple, simplifies and installs and maintenance process.And the LED display of digital display intelligent three-phase meter of the present utility model, add ABS support, product energy modularization is installed, and installation procedure is more succinct.
In addition, digital display intelligent single-phase meter of the present utility model adopts unique button design structure, can effectively prevent dust from entering inside from key hole, add the serviceable life of button.
accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the structural representation of digital display intelligent single-phase meter.
Fig. 2 is the structural representation of LED display.
Fig. 3 is the side-looking structural representation of Fig. 2.
Fig. 4 is the structural representation of upper cover.
Fig. 5 is the structural representation of back cover.
Fig. 6 is the structural representation of fixing buckle.
Fig. 7 is the structural representation of button.
Fig. 8 is the structural representation of backskin material.
In figure: 1 is back cover, 11 is plastic outer layer, 12 is separation layer, 13 is metal net layer, 14 is flame-retardant layer, 15 for fastening internal tooth, 16 is cavity, 2 is upper cover, 21 is viewing area, 22 is key hole, 3 is fixing buckle, 31 is buckle matrix, 32 is connecting portion, 33 for fastening external tooth, 4 is display screen, 41 is diffusion barrier, 42 is light guide plate, 43 is reflectance coating, 44 is bound edge film, 45 is LED light source, 46 is PCB, 47 is ABS support, 5 is button, 51 is housing, 52 is shell fragment, 53 is button, 54 is elastic sealed body, 541 is sealing matrix, 542 is extension, 55 is pressing plate.
embodiment:
As Figure 1-Figure 8, a kind of digital display intelligent three-phase meter, comprise the back cover 1 of upper opening and the upper cover 2 of square, upper cover 2 to be fastened on above back cover 1 and to form the cavity 16 for placing electric elements and display LED display 4 between upper cover 2 and back cover 1, upper cover 2 is provided with fixing buckle 3 with four bights of back cover 1 junction, and fixing buckle 3 adopts nylon material injection molded.
As shown in Figure 6, described fixing buckle 3 comprises buckle matrix 31, described buckle matrix 31 entirety is in fan-shaped, connecting portion 32 is extended in the bottom of buckle matrix 31, the inner side of connecting portion 32 is provided with multiple fastening external tooth 33, fasten on the corresponding back cover 1 of external tooth 33 and be provided with the fastening internal tooth 15 adapted with it, buckle matrix 31 is fixedly connected with upper cover 2, fastening internal tooth 15 engages each other with fastening external tooth 33 and is fixedly connected with back cover 1 by upper cover 2, the end face of described upper cover 2 offers viewing area 21 and multiple key hole 22, is fixedly installed LED display 4 below upper cover 2.
Described LED display 4 comprises main body, bound edge film 44, LED light source 45, PCB 46 and ABS support 47, bound edge film 44 is stained with on the upside of described main body, ABS support 47 is fixed with main body, main body side is fixed with LED light source and PCB 46, LED light source 45 welds with PCB 46, and described main body is adhered to by diffusion barrier 41, light guide plate 42 and reflectance coating 43 and forms.
The side of described ABS support 47 is provided with multiple through hole.ABS support side is provided with the pilot hole that six through holes are LED straw hat lamp and infrared-emitting diode, has saved five reference columns on ammeter and wiring board, has made the structure of product more simple, and simplify installation procedure.In addition, described ABS support 47 is provided with four reference columns for fixing PCB.
As shown in Figure 6, in described key hole 22, button 5 is installed, button 5 comprises the housing 51 for holding button 53, housing 51 is overall cup-shaped, and the bottom of housing 51 is provided with bow-shaped shrapnel 52, and the top of shell fragment 52 is provided with knob, two shoulders of knob and housing 51 top end wall are at same plane, the flexible seal 54 of arranged outside of knob, described elastic sealed body 54 is coated on the outside of knob and housing 51, and the arranged outside of elastic sealed body 54 is used for fixing pressing plate 55.It is inner that elastic sealed body 54 can effectively prevent dust and moisture from entering button 5, improves the serviceable life of button 5, thus improve the service time of whole digital display intelligent single-phase meter, reduces maintenance and replacement cost.
Described elastic sealed body 54 comprises sealing matrix 541 particularly, and described sealing matrix 541 is groove-like, and the extension 542 parallel with groove floor is extended at the two ends of groove to both sides.
As shown in Figure 8, described back cover 1 is made up of four layer materials: be furnished with plastic outer layer 11, separation layer 12, metal net layer 13 and flame-retardant layer 14 from the inside to the outside successively, and described separation layer 12 is metal material layer.Electronic component in housing 51 is isolated from the outside by separation layer 12, the signal in extraneous signal disturbing housing 51 is avoided to export or display, metal net layer 13 adds the structural strength of housing 51, and flame-retardant layer 14 can increase fire protecting performance of the present invention, improves safety coefficient.
Digital display intelligent three-phase meter is applicable in electric power network, automated system the electric parameter measurement of electric current, voltage and display, by panel, multiplying power is set, visual display system operating point parameter, has the advantages such as precision is high, good stability, anti-vibration, directly can substitute original pointer instrument.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.

Claims (7)

1. a digital display intelligent three-phase meter, it is characterized in that: comprise the back cover (1) of upper opening and the upper cover (2) of square, upper cover (2) is fastened on back cover (1) top and the cavity (16) formed between upper cover (2) and back cover (1) for placing LED display (4), upper cover (2) is provided with fixing buckle (3) with four bights of back cover (1) junction, described fixing buckle (3) comprises buckle matrix (31), described buckle matrix (31) entirety is in fan-shaped, connecting portion (32) is extended in the bottom of buckle matrix (31), the inner side of connecting portion (32) is provided with multiple fastening external tooth (33), fasten on the corresponding back cover (1) of external tooth (33) and be provided with the fastening internal tooth (15) adapted with it, buckle matrix (31) is fixedly connected with upper cover (2), fastening internal tooth (15) engages each other with fastening external tooth (33) and is fixedly connected with back cover (1) by upper cover (2), the end face of described upper cover (2) offers viewing area (21) and multiple key hole (22), upper cover (2) below is fixedly installed LED display (4),
Described LED display (4) comprises main body, bound edge film (44), LED light source (45), PCB (46) and ABS support (47), bound edge film (44) is stained with on the upside of described main body, (47) are fixed with main body to ABS support, main body side is fixed with LED light source and PCB (46), LED light source (45) welds with PCB (46), and described main body is adhered to by diffusion barrier (41), light guide plate (42) and reflectance coating (43) and forms.
2. a kind of digital display intelligent three-phase meter according to claim 1, is characterized in that: the side of described ABS support (47) is provided with multiple through hole.
3. a kind of digital display intelligent three-phase meter according to claim 2, is characterized in that: described ABS support (47) is provided with four reference columns for fixing PCB.
4. a kind of digital display intelligent three-phase meter according to claim 3, it is characterized in that: button (5) is installed in described key hole (22), described button (5) comprises the housing (51) for holding button (53), housing (51) is overall cup-shaped, the bottom of housing (51) is provided with bow-shaped shrapnel (52), the top of shell fragment (52) is provided with button (53), two shoulders of button (53) and housing (51) top end wall are at same plane, the flexible seal of arranged outside (54) of button (53), described elastic sealed body (54) is coated on the outside of button (53) and housing (51), the arranged outside of elastic sealed body (54) is used for fixing pressing plate (55).
5. a kind of digital display intelligent three-phase meter according to claim 4, it is characterized in that: described elastic sealed body (54) comprises sealing matrix (541), described sealing matrix (541) is groove-like, and the extension (542) parallel with groove floor is extended at the two ends of groove to both sides.
6. a kind of digital display intelligent three-phase meter according to claim 5, it is characterized in that: described back cover (1) is made up of four layer materials: be furnished with plastic outer layer (11), separation layer (12), metal net layer (13) and flame-retardant layer (14) from the inside to the outside successively, described separation layer (12) is metal material layer.
7. a kind of digital display intelligent three-phase meter according to claim 6, is characterized in that: the material of described fixing buckle (3) is nylon.
CN201520836893.3U 2015-10-27 2015-10-27 Digital display intelligence three -phase table Expired - Fee Related CN205067575U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520836893.3U CN205067575U (en) 2015-10-27 2015-10-27 Digital display intelligence three -phase table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520836893.3U CN205067575U (en) 2015-10-27 2015-10-27 Digital display intelligence three -phase table

Publications (1)

Publication Number Publication Date
CN205067575U true CN205067575U (en) 2016-03-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520836893.3U Expired - Fee Related CN205067575U (en) 2015-10-27 2015-10-27 Digital display intelligence three -phase table

Country Status (1)

Country Link
CN (1) CN205067575U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105785078A (en) * 2016-05-07 2016-07-20 张舒维 Intelligent electric instrument employing zigbee technology

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105785078A (en) * 2016-05-07 2016-07-20 张舒维 Intelligent electric instrument employing zigbee technology
CN105785078B (en) * 2016-05-07 2018-07-10 秦皇岛讯飞电子科技有限公司 A kind of intelligent electric instrument using Zigbee-technology

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160302

Termination date: 20161027