CN2872403Y - Electric display unit - Google Patents
Electric display unit Download PDFInfo
- Publication number
- CN2872403Y CN2872403Y CN 200620055566 CN200620055566U CN2872403Y CN 2872403 Y CN2872403 Y CN 2872403Y CN 200620055566 CN200620055566 CN 200620055566 CN 200620055566 U CN200620055566 U CN 200620055566U CN 2872403 Y CN2872403 Y CN 2872403Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- phase
- panel
- display
- liquid crystal
- 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
Links
Images
Abstract
The utility model discloses a multi-functional live display with advanced art, longer service life of the display components, digital display and a plurality of live indicators. The utility model includes a panel (1), a cover (2), a bottom plate circuit board and a panel circuit board equipped inside the cover (2). The bottom plate circuit board is equipped with a LCD display power supply circuit, a lockout circuit, a switch power supply circuit, as well as checking, phase-verifying and sampling converting circuit. The panel circuit board is equipped with a LC driven circuit, a LCD circuit, a three-phase checking circuit and a LED display circuit. The panel (1) is equipped with a LC digital display screen (11), a released state indicator (12), phase sequence switchover & LC control rotary knobs (13), a three-phase precision adjustment rotary switch (14), all-phase live indicators (15), a phase verification jack (16), an out phase indicator (17) and a power supply indicator (18). The utility model could be widely used in high voltage power supply and distribution equipments.
Description
Technical field
The utility model relates to a kind of electrification display.
Background technology
Be extensive use of electrification display on high pressure confession, the controller switching equipment, with the electriferous state of indicating equipment.Traditional electrification display adopts three neon tube lamps to come the index strip electricity condition, i.e. the bright expression of lamp has electricity, and the not bright expression of lamp does not have electricity, but can not indicate concrete magnitude of voltage, and multiple devices when connecting the consistance of phase sequence can not get nuclear and examine and show; In addition, the life-span of neon tube lamp is shorter.Therefore, the electrification display that uses in the present prior art exists backward in technique, function singleness, the defective that the display element life-span is short.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and the multi-functional charged display that a kind of advanced technology, display element life-span are long, have liquid crystal digital demonstration, released state indication, phase sequence nuclear phase and switching, out-phase indication, every charged indication is provided.
The technical scheme that the utility model adopted is: the utility model comprises panel, clamshell and the circuit board of device in clamshell, described circuit board comprises backplane circuit plate and panel circuit plate, described backplane circuit plate is provided with the liquid crystal display power circuit, exclusive circuit, switching power circuit, verification, nuclear phase, the sample conversion circuit, described panel circuit plate is provided with liquid crystal display drive circuit, liquid crystal display circuit, the three-phase checking circuit, the LED display circuit, the input end of described switching power circuit is connected with the power supply three-phase and four-line by connector, the output terminal VCC of described switching power circuit, + 12V, 0V, GHD is by the VCC in plug connector and the above-mentioned remaining circuit, + 12V, 0V, GHD is corresponding to connect described liquid crystal display power circuit, described verification, nuclear phase, Xa in the sample conversion circuit, Xb, Xc, the N connection terminal all is connected with the power supply three-phase and four-line.
Described panel is provided with liquid crystal digital display, the switching of released state pilot lamp phase sequence and liquid crystal control handle, the three-phase precision is adjusted rotary switch, every charged pilot lamp, nuclear phase jack, out-phase pilot lamp, power light.
Described panel and described panel circuit plate are sticked mutually and put and connection or welding relative fixed by element, described backplane circuit plate insert in the described clamshell by securing member be fixed into one and with the L-shaped device of panel circuit plate, the rear-mounted installation of described clamshell has connection terminal Xa, Xb, Xc, the N of band connector, and outer connection terminal Xa, Xb, Xc, the N of described clamshell is connected with the power supply three-phase and four-line.
The beneficial effects of the utility model are: because the utility model comprises housing and the circuit board of device in housing, described housing comprises panel and clamshell, described circuit board comprises backplane circuit plate and panel circuit plate, described backplane circuit plate is provided with the liquid crystal display power circuit, exclusive circuit, switching power circuit, verification, nuclear phase, the sample conversion circuit, described panel circuit plate is provided with liquid crystal display drive circuit, liquid crystal display circuit, the three-phase checking circuit, the LED display circuit, the input end of described switching power circuit is connected with the power supply three-phase and four-line by connector, the output terminal VCC of described switching power circuit, + 12V, 0V, VCC in GHD and the above-mentioned remaining circuit, + 12V, 0V, GHD is corresponding to be connected, described liquid crystal display power circuit, described verification, nuclear phase, Xa in the sample conversion circuit, Xb, Xc, the N connection terminal all is connected with the power supply three-phase and four-line, so the utility model is a kind of advanced technology, the display element life-span is longer, have numeral and show liquid crystal, the released state indication, phase sequence nuclear phase and switching, the out-phase indication, the multi-functional charged display of every charged indication.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the electrical block diagram on the utility model backplane circuit plate;
Fig. 3 is the structural representation on the utility model panel circuit plate;
Fig. 4 is the tie lines synoptic diagram that the utility model three-phase precision is adjusted rotary switch.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model comprises panel (1), clamshell (2) and the circuit board of device in clamshell (2), described circuit board comprises backplane circuit plate and panel circuit plate, described backplane circuit plate is provided with liquid crystal display power circuit 31, exclusive circuit 32, switching power circuit 33, verification, nuclear phase, sample conversion circuit 34, described panel circuit plate is provided with liquid crystal display drive circuit 41, liquid crystal display circuit 42, three-phase checking circuit 43, LED display circuit 44, the input end of described switching power circuit 33 is connected with the power supply three-phase and four-line by connector, the output terminal VCC of described switching power circuit 33, + 12V, 0V, VCC in GHD and above-mentioned all the other each circuit, + 12V, 0V, GHD is corresponding to be connected, described liquid crystal display power circuit 31, described verification, nuclear phase, Xa in the sample conversion circuit 34, Xb, Xc, the N connection terminal all is connected with the power supply three-phase and four-line, is electrically connected by connector between each circuit on described backplane circuit plate and the panel circuit plate.
Described panel 1 is provided with liquid crystal digital display 11, the switching of released state pilot lamp 12 phase sequences and liquid crystal control handle 13, the three-phase precision is adjusted knob 14, every charged pilot lamp 15, nuclear phase jack 16, out-phase pilot lamp 17, power light 18.
Described panel 1 and described panel circuit plate be label apparatus and connection or welding relative fixed by element mutually.
Described backplane circuit plate insert in the described clamshell 2 by securing member be fixed into one and with the L-shaped device of panel circuit plate, the rear-mounted installation of described clamshell 2 has connection terminal Xa, Xb, Xc, the N of band connector, connector assembly is in described clamshell 2, connecting terminal apparatus is outside described clamshell 2, the corresponding connection of connector in corresponding plug-in sheet and the described clamshell 2 is arranged on the one end pcb board of described backplane circuit plate 3, and described clamshell 2 connection terminal Xa, Xb, Xc, N outward are connected with the power supply three-phase and four-line.
Claims (3)
1, a kind of electrification display, it comprises panel (1), clamshell (2) and the circuit board of device in clamshell (2), described circuit board comprises the backplane circuit plate, the panel circuit plate, it is characterized in that: described backplane circuit plate is provided with liquid crystal display power circuit (31), exclusive circuit (32), switching power circuit (33), verification, nuclear phase, sample conversion circuit (34), described panel circuit plate is provided with liquid crystal display drive circuit (41), liquid crystal display circuit (42), three-phase checking circuit (43), LED display circuit (44), the input end of described switching power circuit (33) is connected with the power supply three-phase and four-line by connector, the output terminal VCC of described switching power circuit (33), + 12V, 0V, GHD is by the VCC in plug connector and the above-mentioned remaining circuit, + 12V, 0V, GHD is corresponding to connect described liquid crystal display power circuit (31), described verification, nuclear phase, Xa in the sample conversion circuit (34), Xb, Xc, the N connection terminal all is connected with the power supply three-phase and four-line.
2, electrification display according to claim 1 is characterized in that: described panel (1) is provided with liquid crystal digital display (11), the switching of released state pilot lamp (12) phase sequence and liquid crystal control handle (13), the three-phase precision is adjusted rotary switch (14), every charged pilot lamp (15), nuclear phase jack (16), out-phase pilot lamp (17), power light (18).
3, electrification display according to claim 1, it is characterized in that: described panel (1) and described panel circuit plate are sticked mutually and put and connection or welding relative fixed by element, described backplane circuit plate insert in the described clamshell (2) by securing member be fixed into one and with the L-shaped device of panel circuit plate, the rear-mounted installation of described clamshell (2) has connection terminal Xa, Xb, Xc, the N of band connector, and outer connection terminal Xa, Xb, Xc, the N of described clamshell (2) is connected with the power supply three-phase and four-line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620055566 CN2872403Y (en) | 2006-03-01 | 2006-03-01 | Electric display unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620055566 CN2872403Y (en) | 2006-03-01 | 2006-03-01 | Electric display unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2872403Y true CN2872403Y (en) | 2007-02-21 |
Family
ID=37740752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620055566 Expired - Fee Related CN2872403Y (en) | 2006-03-01 | 2006-03-01 | Electric display unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2872403Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375086A (en) * | 2010-08-25 | 2012-03-14 | 镇江泰源电器科技有限公司 | High-voltage live displaying and testing device |
| CN102539897A (en) * | 2012-02-28 | 2012-07-04 | 苏州苏海亚电气有限公司 | High-voltage charged display with nuclear phase function |
| CN104237658A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Efficient phase indicator |
| CN105977965A (en) * | 2016-05-09 | 2016-09-28 | 国网浙江省电力公司丽水供电公司 | Low voltage phase commutation device |
-
2006
- 2006-03-01 CN CN 200620055566 patent/CN2872403Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102375086A (en) * | 2010-08-25 | 2012-03-14 | 镇江泰源电器科技有限公司 | High-voltage live displaying and testing device |
| CN102539897A (en) * | 2012-02-28 | 2012-07-04 | 苏州苏海亚电气有限公司 | High-voltage charged display with nuclear phase function |
| CN104237658A (en) * | 2013-06-20 | 2014-12-24 | 国家电网公司 | Efficient phase indicator |
| CN105977965A (en) * | 2016-05-09 | 2016-09-28 | 国网浙江省电力公司丽水供电公司 | Low voltage phase commutation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2872403Y (en) | Electric display unit | |
| CN202548302U (en) | LED power source testing system | |
| CN101865973B (en) | Portable instrument for testing triggering performance of thyristors | |
| CN201765405U (en) | Liquid crystal module testing device and liquid crystal module tester | |
| CN201335879Y (en) | Switch performance testing device | |
| CN203135304U (en) | A state synthetic dynamic display device of a medium-voltage switch cabinet | |
| CN205194297U (en) | AC detection circuitry and LED power supply unit | |
| CN201133931Y (en) | LCD television set or display energy supply dedicated tester | |
| CN206422846U (en) | Display device, television set and remote control | |
| CN205680410U (en) | Display screen tests device | |
| CN201504047U (en) | Power transformation and distribution dynamic simulation board | |
| CN201515534U (en) | Backlight drive current balance device | |
| CN203025314U (en) | Ultralow-frequency high-voltage generating device | |
| CN206362807U (en) | A kind of fluorescence immunoassay quantitative analysis instrument | |
| CN201594937U (en) | LED backlight adjustment switching circuit and display device | |
| CN217034081U (en) | Pluggable distributed type direct-current power supply system feeder leakage current online monitoring device | |
| CN217034207U (en) | Direct current power supply system feeder leakage current on-line monitoring device capable of achieving electricity taking through elastic pins | |
| CN200962268Y (en) | Glass heating conduction demonstration teaching tool | |
| CN207081787U (en) | A kind of multipurpose electric energy meter | |
| CN201628923U (en) | External power supply output card of desktop computer | |
| CN202353185U (en) | Plastic insulation box for protecting measurement and control circuit of electric furnace transformer | |
| CN217605982U (en) | LCD screen short-term test frock | |
| CN214067295U (en) | Arrange temperature control box and detect frock | |
| CN209640636U (en) | A kind of integrated mobile phone backlight lights detection jig | |
| CN217360252U (en) | Feeder leakage current online monitoring device of open type direct current power supply system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070221 Termination date: 20140301 |