CN202256472U - Intermediate/high-voltage electrified indicator capable of being stable and reliable and also being easy to install and disassemble - Google Patents
Intermediate/high-voltage electrified indicator capable of being stable and reliable and also being easy to install and disassemble Download PDFInfo
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- CN202256472U CN202256472U CN2011203918360U CN201120391836U CN202256472U CN 202256472 U CN202256472 U CN 202256472U CN 2011203918360 U CN2011203918360 U CN 2011203918360U CN 201120391836 U CN201120391836 U CN 201120391836U CN 202256472 U CN202256472 U CN 202256472U
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Abstract
The utility model discloses an intermediate/high-voltage electrified indicator capable of being stable and reliable and also being easy to install and disassemble, which comprises a box body and an internal circuit, wherein the box body comprises a casing (11) and a fixing device, the shape of the casing (11) is a hollow cuboid, the fixing device is arranged at the back face of the casing (11), the front face of the casing (11) is provided with a lamp hole (17), and the internal circuit comprises an input end (1), a rectifying unit (2), a switching unit, a light emitting component (4), a protective resistor (5) and an output port (6). According to the intermediate/high-voltage electrified indicator capable of being stable and reliable and also being easy to install and disassemble, electrified indication can be more stable and more reliable by adopting the structure. Meanwhile, the installation and the disassembly of an intermediate/high-voltage electrified indicator become very convenient.
Description
Technical field
The utility model relates to a kind of circuit, specifically is a kind of reliable and stable and be easy to the mesohigh potential indicator of installation and removal.
Background technology
At present, owing to having dangerous voltage, electric appliance casing or other similar portions accidental causes cause the accident of electric shock injures and deaths to happen occasionally.Various earth leakage protective devices (or claiming protector) are arranged on the market now, basically all are the difference between currents that produces between power supply two leads when utilizing electric leakage, after the treated amplification relay are cut off power supply automatically, thereby prevent electric leakage or electric shock accidents to continue to produce.But its structure is comparatively complicated, and cost is high, is difficult for popularizing, and can not shows the charged or electric leakage situation at positions such as casing for electric appliances early.On the one hand, many electric equipment products all have the supply voltage pilot lamp, and majority is to be serially connected between power supply phase line L and the neutral line N by a neon lamp and a current-limiting resistance, also have to use light emitting diode to show.But majority is the DC power supply by switch control, the break-make that they can only display power supply, and its maximum indication range is between 110V ~ 250V.On the other hand, some charged indicating circuit adopts diode in series as rectifier system, and so not only efficient is low, also burns out diode easily; Simultaneously, what some indicating circuits also adopted in addition is bridge rectifier, but rectifier lacks protection, and diode is burnt out easily, and entire circuit can not provide stable voltage to come the driven for emitting lights assembly luminous, judges to mesohigh and brings influence.Present mesohigh potential indicator does not generally have special stationary installation; Some is directly to be welded on by on the electricity measurer, and like this, central high-voltage potential indicator goes wrong and when needing maintenance; Certainly will cause the dismounting of mesohigh potential indicator very inconvenient, be unfavorable for maintenance.
The utility model content
The utility model provides a kind of mesohigh reliable and stable, that be easy to installation and removal charged indicating circuit; Having solved in the past, the commutation diode of mesohigh potential indicator is burnt out easily; Cause charged indication instability, insecure problem, also solved the problem of mesohigh potential indicator installation and removal trouble in the past simultaneously.
The utility model is that the technical solution problem mainly realizes through following technical scheme: a kind of reliable and stable and be easy to the mesohigh potential indicator of installation and removal, comprise casing and internal circuit, and casing comprises shell and stationary installation; The rectangular parallelepiped that is shaped as hollow of shell, stationary installation is arranged on the back side of shell, and the front of shell 11 is provided with lamp hole; Internal circuit comprises input end, rectification unit, switch element, luminescence component, protective resistance and delivery outlet; Rectification unit is a bridge rectifier, and two input ends of bridge rectifier are connected with output terminal with input end respectively, and two output terminals of bridge rectifier are connected with the input end of protective resistance, switch element respectively; The output terminal of switch element is connected with the input end of luminescence component; The output terminal of luminescence component is connected with protective resistance, and said stationary installation comprises fixed head, anchor clamps, bolt and the nut that matches with bolt, and fixed head is fixedly connected with the back side of shell; Anchor clamps are fixedly connected with fixed head; Said anchor clamps comprise and are all semi-moon shaped quiet cell body and moving cell body, and quiet cell body is fixed on the fixed head, and quiet cell body and moving cell body are provided with corresponding through hole; The diameter of through hole is greater than the diameter of bolt; Quiet cell body is fixed on the center at the back side of shell, is parallel with a solid discharging tube between two input ends of said bridge rectifier, is parallel with one first electric capacity between two output terminals of bridge rectifier.
Said lamp hole has 2 at least, and lamp hole is laterally or vertically to be arranged.
Said switch element comprises tunnel diode and second electric capacity parallelly connected with the tunnel diode two ends.
Said luminescence component comprises at least two group light emitting diodes, and the light emitting diode in the group is connected each other, and the light emitting diode between group is parallel with one another.
The Standard resistance range of said protective resistance is 1k Ω ~ 5k Ω.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) internal circuit of the utility model adopts the form that bridge rectifier, tunnel diode, light emitting diode are connected successively, and bridge rectifier converts alternating voltage to DC voltage, by the light on and off of light emitting diode as criterion; Promptness and the accuracy judged have greatly been improved; Bridge rectifier is compared common diode half-wave rectification, and power is higher, and electric current is littler; Diode is more not fragile, makes charged indication more reliable and more stable.
(2) input end of the bridge rectifier of the utility model and output terminal fixedly discharge tube, first electric capacity of one of parallel connection respectively; Not only increased the overvoltage protection of circuit; More realized charging and discharging incessantly; The driven for emitting lights diode sends radiance, thereby has improved the stability and the reliability of entire circuit.
(3) the utility model is provided with special stationary installation; Adopt the fixing mode of two cell bodies potential indicator to be fixed on by on the electricity measurer through screw bolt and nut; Make installation and removal become very convenient, when charged indicating circuit goes wrong, help field-strip.
(4) the utility model is simple in structure, and cost is lower, is easy to popularize.
Description of drawings
Fig. 1 is the circuit structure diagram of the embodiment 1 of the utility model;
Fig. 2 is the front view of casing of the embodiment 1 of the utility model;
Fig. 3 is the circuit structure diagram of the embodiment 2 of the utility model;
Fig. 4 is the front view of casing of the embodiment 2 of the utility model;
Fig. 5 is the stereographic map of casing of embodiment 1 and the embodiment 2 of the utility model.
Pairing Reference numeral is in the accompanying drawing: 1, input port, 2, rectification unit, 3, tunnel diode, 4, luminescence component, 5, protective resistance; 6, delivery outlet, 7, second electric capacity, 8, light emitting diode, 9, solid discharging tube; 10, first electric capacity, 11, shell, 12, fixed head, 13, quiet cell body; 14, moving cell body, 15, bolt, 16, nut, 17, lamp hole.
Embodiment
Below in conjunction with embodiment the utility model is done further to specify, but the embodiment of the utility model is not limited thereto.
Embodiment 1:
Like Fig. 1, Fig. 2 and shown in Figure 5, the utility model comprises casing and internal circuit, and casing comprises shell 11 and stationary installation; The rectangular parallelepiped that is shaped as hollow of shell 11; Stationary installation is arranged on the back side of shell 11, and the front of shell 11 is provided with 2 lamp holes 17, and lamp hole 17 is transversely arranged.
The internal circuit of present embodiment comprises input end 1, rectification unit 2, switch element, luminescence component 4, protective resistance 5 and delivery outlet 6; Rectification unit 2 is a bridge rectifier; Two input ends of bridge rectifier are connected with output terminal 6 with input end 1 respectively; Two output terminals of bridge rectifier are connected with the input end of protective resistance 5, switch element respectively; The output terminal of switch element is connected with the input end of luminescence component 4, and the output terminal of luminescence component 4 is connected with protective resistance 5, and the Standard resistance range of protective resistance 5 is 1k Ω ~ 5k Ω.
The stationary installation of present embodiment comprises fixed head 12, anchor clamps, bolt 15 and the nut 16 that matches with bolt 15; Fixed head 12 is fixedly connected with the back side of shell 11, and anchor clamps are fixedly connected with fixed head 12, and said anchor clamps comprise and are all semi-moon shaped quiet cell body 13 and moving cell body 14; Quiet cell body 13 is fixed on the fixed head 12; Quiet cell body 13 is provided with corresponding through hole with moving cell body 14, and the diameter of through hole is greater than the diameter of bolt 15, and quiet cell body 13 is fixed on the center at the back side of shell 11.
Be parallel with a solid discharging tube 9 between two input ends of the bridge rectifier of present embodiment, be parallel with one first electric capacity 10 between two output terminals of bridge rectifier.
The switch element of present embodiment comprises tunnel diode 3 and second electric capacity 7 parallelly connected with tunnel diode 3 two ends.
The luminescence component 4 of present embodiment comprises two groups of light emitting diodes 8, and the light emitting diode 8 in the group is connected each other, and the light emitting diode 8 between group is parallel with one another.
Embodiment 2:
Like Fig. 3, Fig. 4 and shown in Figure 5, present embodiment and embodiment 1 are basic identical, and different places are, the front of shell 11 is provided with 3 lamp holes 17, and lamp hole 17 is transversely arranged; Luminescence component 4 comprises three groups of light emitting diodes 8, and the light emitting diode 8 in the group is connected each other, and the light emitting diode 8 between group is parallel with one another.
The principle of work of the utility model is: at first, through stationary installation the utility model is installed on the bracing or strutting arrangement, is connected with loop to be measured with the internal circuit of external wire with the utility model; Voltage at first gets into this circuit through input port 1, under the effect of bridge rectifier, converts alternating voltage into DC voltage then; 3 conductings of voltage triggered tunnel diode; At this moment, light emitting diode 8 is light, shows in this loop to be measured to have high voltage appearance; Extinguish state when light emitting diode 8 then is in, then show not have high voltage appearance in the loop to be measured.After the utility model breaks down, can the utility model taken off overhaul through unclamping stationary installation, very convenient.
As stated, then can realize the utility model well.
Claims (5)
- One kind reliable and stable and be easy to the mesohigh potential indicator of installation and removal; Comprise casing and internal circuit, casing comprises shell (11) and stationary installation, the rectangular parallelepiped that is shaped as hollow of shell (11); Stationary installation is arranged on the back side of shell (11); The front of shell (11) is provided with lamp hole (17), and internal circuit comprises input end (1), rectification unit (2), switch element, luminescence component (4), protective resistance (5) and delivery outlet (6), and rectification unit (2) is a bridge rectifier; Two input ends of bridge rectifier are connected with output terminal (6) with input end (1) respectively; Two output terminals of bridge rectifier are connected with the input end of protective resistance (5), switch element respectively, and the output terminal of switch element is connected with the input end of luminescence component (4), and the output terminal of luminescence component (4) is connected with protective resistance (5); It is characterized in that: said stationary installation comprises fixed head (12), anchor clamps, bolt (15) and the nut (16) that matches with bolt (15); Fixed head (12) is fixedly connected with the back side of shell (11), and anchor clamps are fixedly connected with fixed head (12), and said anchor clamps comprise and are all semi-moon shaped quiet cell body (13) and moving cell body (14); Quiet cell body (2) is fixed on the fixed head (12); Quiet cell body (13) and moving cell body (14) are provided with corresponding through hole, and the diameter of through hole is greater than the diameter of bolt (15), and wherein quiet cell body (13) is fixed on the center at the back side of shell (11); Be parallel with a solid discharging tube (9) between two input ends of said bridge rectifier, be parallel with one first electric capacity (10) between two output terminals of bridge rectifier.
- 2. according to claim 1 a kind of reliable and stable and be easy to the mesohigh potential indicator of installation and removal, it is characterized in that: said lamp hole (17) has 2 at least, and lamp hole (17) is laterally or vertically to be arranged.
- 3. according to claim 1 a kind of reliable and stable and be easy to the mesohigh potential indicator of installation and removal, it is characterized in that: said switch element comprises tunnel diode (3) and second electric capacity (7) parallelly connected with tunnel diode (3) two ends.
- 4. according to claim 1 a kind of reliable and stable and be easy to the mesohigh potential indicator of installation and removal; It is characterized in that: said luminescence component (4) comprises at least two group light emitting diodes (8); Light emitting diode (8) in the group is series connection each other, and the light emitting diode between group (8) is parallel with one another.
- 5. according to claim 1 a kind of reliable and stable and be easy to the mesohigh potential indicator of installation and removal, it is characterized in that: the Standard resistance range of said protective resistance (5) is 1k Ω ~ 5k Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203918360U CN202256472U (en) | 2011-10-15 | 2011-10-15 | Intermediate/high-voltage electrified indicator capable of being stable and reliable and also being easy to install and disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203918360U CN202256472U (en) | 2011-10-15 | 2011-10-15 | Intermediate/high-voltage electrified indicator capable of being stable and reliable and also being easy to install and disassemble |
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| Publication Number | Publication Date |
|---|---|
| CN202256472U true CN202256472U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203918360U Expired - Fee Related CN202256472U (en) | 2011-10-15 | 2011-10-15 | Intermediate/high-voltage electrified indicator capable of being stable and reliable and also being easy to install and disassemble |
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| Country | Link |
|---|---|
| CN (1) | CN202256472U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251931A (en) * | 2014-09-19 | 2014-12-31 | 广州供电局有限公司 | Universal replaceable charge indicator |
| CN104267246A (en) * | 2014-10-22 | 2015-01-07 | 四川蓝讯宝迩电子科技有限公司 | Electrified display convenient to install |
| CN104280595A (en) * | 2014-10-22 | 2015-01-14 | 四川蓝讯宝迩电子科技有限公司 | Rain and snow prevention high-voltage charged displayer |
| CN107121572A (en) * | 2017-06-19 | 2017-09-01 | 峨眉山长宇电气有限公司 | A kind of electrification display fixing equipment |
-
2011
- 2011-10-15 CN CN2011203918360U patent/CN202256472U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251931A (en) * | 2014-09-19 | 2014-12-31 | 广州供电局有限公司 | Universal replaceable charge indicator |
| CN104251931B (en) * | 2014-09-19 | 2017-06-06 | 广州供电局有限公司 | General changeable type charge indicating device |
| CN104267246A (en) * | 2014-10-22 | 2015-01-07 | 四川蓝讯宝迩电子科技有限公司 | Electrified display convenient to install |
| CN104280595A (en) * | 2014-10-22 | 2015-01-14 | 四川蓝讯宝迩电子科技有限公司 | Rain and snow prevention high-voltage charged displayer |
| CN107121572A (en) * | 2017-06-19 | 2017-09-01 | 峨眉山长宇电气有限公司 | A kind of electrification display fixing equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20121015 |