CN202260135U - Medium-high voltage charge indicator applied in switch cabinet - Google Patents
Medium-high voltage charge indicator applied in switch cabinet Download PDFInfo
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- CN202260135U CN202260135U CN2011203918322U CN201120391832U CN202260135U CN 202260135 U CN202260135 U CN 202260135U CN 2011203918322 U CN2011203918322 U CN 2011203918322U CN 201120391832 U CN201120391832 U CN 201120391832U CN 202260135 U CN202260135 U CN 202260135U
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- shell
- mesohigh
- switch cubicle
- high voltage
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Abstract
The utility model discloses a medium-high voltage charge indicator applied in a switch cabinet, comprising a shell (9) which takes the shape of a hollow cuboid and an internal circuit, wherein the front side of the shell (9) is at least provided with two lampholes (10), the back side of the shell (9) is provided with a fixing device, the fixing device comprises a fixing frame (11), a hoop (12) as well as a bolt and a nut which are matched with a fixing hole in the hoop (12), the fixing frame (11) is fixed at the back side of the shell (9), the hoop (12) is fixed on the fixing frame (11), and the internal circuit comprises an input terminal (1), a rectifying unit (2), a triggering unit, a light-emitting component (4), a protective resistor (5) and an output port (6) which are sequentially connected with one another in series. By adopting the structure, the medium-high voltage charge indicator can display the charge conditions of medium-high voltage loops in a timely manner, thereby preventing operating personnel from being careless in the operating process, and avoiding the occurrence of accidents.
Description
Technical field
The present invention relates to a kind of potential indicator, specifically is a kind of mesohigh potential indicator that is applied to switch cubicle.
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, high difficult the popularizing of cost, and can not show the charged or electric leakage situation at positions such as casing for electric appliances early.In addition; General switch cubicle has the supply voltage indicator light; 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; They can only display power supply break-make, its maximum indication range is between 110V ~ 250V.General switch cubicle comprises bus-bar room, circuit breaker cart chamber, cable vault and relay control room, but the mesohigh potential indicator is not installed, and therefore can not point out the charged state in mesohigh loop, operating personnel is neglected, even cause the accident.
Summary of the invention
The invention provides a kind of simple in structure, mesohigh potential indicator of being applied to switch cubicle, solved in the past that switch cubicle lacks special mesohigh potential indicator, thereby cause operating personnel to neglect, even the problem that leads to a disaster.
The present invention mainly realizes through following technical scheme for the technical solution problem: a kind of mesohigh potential indicator that is applied to switch cubicle; Comprise the shell and the internal circuit that are shaped as hollow cuboid; The front of shell is provided with two lamp holes at least; The back side of shell is provided with fixture, said fixture comprise fixed mount, anchor ear and and anchor ear on the screw bolt and nut that matches of fixing hole, fixed mount is fixed on the back side of shell; Anchor ear is fixed on the fixed mount, and internal circuit comprises input, rectification unit, trigger element, luminescence component, protective resistance and the delivery outlet of series connection successively.
Said rectification unit is a bridge rectifier.
Said trigger element comprises bidirectional trigger diode and the electric capacity parallelly connected with the two ends of bidirectional trigger diode.
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 present invention compared with prior art has the following advantages and beneficial effect:
(1) the present invention adopts the form that rectification unit, trigger element, luminescence component are connected successively; Convert alternating voltage to direct voltage; As criterion, greatly improved promptness and the accuracy judged by the light on and off of luminescence component, rectification unit is provided with at least two diodes simultaneously; Luminescence component also is provided with at least two group light-emitting diodes, so largely avoided taking place because of diode damages whole inoperable situation.
(3) the present invention is used for the charged prompting of mesohigh of switch cubicle, and the charged state in ability instantly prompting mesohigh loop has been avoided operating personnel careless and inadvertent, thereby avoided causing the accident.
(3) the present invention is simple in structure, and cost is lower, is easy to popularize.
Description of drawings
Fig. 1 is a circuit structure diagram of the present invention;
Fig. 2 is the front view of shell of the present invention;
Fig. 3 is the stereogram of shell of the present invention;
Fig. 4 is the structural representation of the application of the present invention in switch cubicle.
Pairing Reference numeral is in the accompanying drawing: 1, input port, 2, rectification unit, 3, bidirectional trigger diode; 4, luminescence component, 5, protective resistance, 6, delivery outlet; 7, electric capacity, 8, light-emitting diode, 9, shell, 10, lamp hole, 11, fixed mount; 12, anchor ear, 13, switch cubicle, 14, cable.
Embodiment
Below in conjunction with embodiment the present invention is done further detailed description, but execution mode of the present invention is not limited thereto.
Embodiment:
Like Fig. 1, Fig. 2 and shown in Figure 3, the present invention includes the shell 9 and the internal circuit that are shaped as hollow cuboid, the front of shell 9 is provided with three lamp holes 10, and the back side of shell 9 is provided with fixture.
The fixture of present embodiment comprise fixed mount 11, anchor ear 12 and and anchor ear 12 on the screw bolt and nut that matches of fixing hole, fixed mount 11 is fixed on the back side of shell 9, anchor ear 12 is fixed on the fixed mount 11.
The internal circuit of present embodiment comprises input 1, rectification unit 2, trigger element, luminescence component 4, protective resistance 5 and the delivery outlet 6 of series connection successively, and the Standard resistance range of protective resistance 5 is 1k Ω ~ 5k Ω.
The rectification unit 2 of present embodiment is a bridge rectifier, and trigger element comprises bidirectional trigger diode 3 and the electric capacity 7 parallelly connected with the two ends of bidirectional trigger diode 3.
The luminescence component 4 of present embodiment 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.
Operation principle of the present invention is: as shown in Figure 4, at first, shell 9 of the present invention is fixed in the switch cubicle 13 through anchor ear 12; And the cables 14 in internal circuit and the switch cubicle 13 are connected, the charged situation in next just can the sense switch cabinet interior mesohigh loop is when having high voltage appearance in the loop; Voltage at first gets into this circuit through input port 1, under the effect of rectification unit 2, converts alternating voltage into direct voltage then; 3 conductings of voltage triggered bidirectional trigger diode; Arrive luminescence component 4, at this moment, light-emitting diode bright 8 gets up; And when not having high voltage appearance in the loop, 8 of light-emitting diodes are in and extinguish state.
As stated, then can realize the present invention well.
Claims (5)
1. mesohigh potential indicator that is applied to switch cubicle; It is characterized in that: comprise the shell (9) and the internal circuit that are shaped as hollow cuboid; The front of said shell (9) is provided with two lamp holes (10) at least; The back side of shell (9) is provided with fixture; Said fixture comprise fixed mount (11), anchor ear (12) and and anchor ear (12) on the screw bolt and nut that matches of fixing hole; Fixed mount (11) is fixed on the back side of shell (9), and anchor ear (12) is fixed on the fixed mount (11), and internal circuit comprises input (1), rectification unit (2), trigger element, luminescence component (4), protective resistance (5) and the delivery outlet (6) of series connection successively.
2. a kind of mesohigh potential indicator that is applied to switch cubicle according to claim 1 is characterized in that: said rectification unit (2) is a bridge rectifier.
3. a kind of mesohigh potential indicator that is applied to switch cubicle according to claim 1 is characterized in that: said trigger element comprises bidirectional trigger diode (3) and the electric capacity (7) parallelly connected with the two ends of bidirectional trigger diode (3).
4. a kind of mesohigh potential indicator that is applied to switch cubicle according to claim 1; 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. a kind of mesohigh potential indicator that is applied to switch cubicle according to claim 1 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 |
|---|---|---|---|
| CN2011203918322U CN202260135U (en) | 2011-10-15 | 2011-10-15 | Medium-high voltage charge indicator applied in switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203918322U CN202260135U (en) | 2011-10-15 | 2011-10-15 | Medium-high voltage charge indicator applied in switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260135U true CN202260135U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203918322U Expired - Fee Related CN202260135U (en) | 2011-10-15 | 2011-10-15 | Medium-high voltage charge indicator applied in switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202260135U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006210A (en) * | 2014-05-25 | 2014-08-27 | 曾欣颐 | Gas valve state indicator |
| CN104242097A (en) * | 2014-09-30 | 2014-12-24 | 四川蓝讯宝迩电子科技有限公司 | High-voltage switch cabinet for electrification indicating of shell |
| CN106159784A (en) * | 2016-06-30 | 2016-11-23 | 刘勤春 | A kind of modular low-voltage electrical apparatus |
| CN110161385A (en) * | 2019-04-30 | 2019-08-23 | 云南电网有限责任公司电力科学研究院 | A kind of electrification instruction partial discharge of switchgear signal detection apparatus |
-
2011
- 2011-10-15 CN CN2011203918322U patent/CN202260135U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006210A (en) * | 2014-05-25 | 2014-08-27 | 曾欣颐 | Gas valve state indicator |
| CN104242097A (en) * | 2014-09-30 | 2014-12-24 | 四川蓝讯宝迩电子科技有限公司 | High-voltage switch cabinet for electrification indicating of shell |
| CN106159784A (en) * | 2016-06-30 | 2016-11-23 | 刘勤春 | A kind of modular low-voltage electrical apparatus |
| CN110161385A (en) * | 2019-04-30 | 2019-08-23 | 云南电网有限责任公司电力科学研究院 | A kind of electrification instruction partial discharge of switchgear signal detection apparatus |
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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 |