CN202305645U - Fixable medium-high-voltage charge indicator - Google Patents
Fixable medium-high-voltage charge indicator Download PDFInfo
- Publication number
- CN202305645U CN202305645U CN2011203918341U CN201120391834U CN202305645U CN 202305645 U CN202305645 U CN 202305645U CN 2011203918341 U CN2011203918341 U CN 2011203918341U CN 201120391834 U CN201120391834 U CN 201120391834U CN 202305645 U CN202305645 U CN 202305645U
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- fixable
- shell
- diode
- mesohigh
- input end
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Abstract
The utility model discloses a fixable medium-high-voltage charge indicator. The fixable medium-high-voltage charge indicator comprises a hollow cuboid shell (11) and an internal circuit, wherein the internal circuit comprises an input end (1), a rectifying unit (2), a triggering unit, a light-emitting assembly (4), a protective resistor (5) and an output port (6); at least two lamp holes (12) are formed on the front surface of the shell (11), and a fixing device is arranged on the back surface of the shell (11); the rectifying unit (2) comprises at least two diodes (7) which are connected in series in turn; and a shunt resistor (8) is connected with each diode (7) in parallel. By adoption of the structure, the fixable medium-high-voltage charge indicator disclosed by the utility model can ensure that the circuit structure is simple, the cost is low, stable operation can be realized at the same time, and the electrification or electric leakage condition of the parts such as an electric appliance shell and the like can be displayed in time.
Description
Technical field
The utility model relates to a kind of potential indicator, specifically is a kind of fixable mesohigh potential indicator.
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, 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.The present main problem of mesohigh potential indicator is exactly that structure is comparatively complicated, and indicator is fixed installation not, causes operation inconvenience easily, even the accident that meets accident.
The utility model content
The utility model provides a kind of simple in structure and fixable mesohigh potential indicator, solved mesohigh potential indicator complex structure in the past, cost high, lack stationary installation, can not show the problem of the charged or electric leakage situation in position such as casing for electric appliances early.
The utility model is that the technical solution problem mainly realizes through following technical scheme: a kind of fixable mesohigh potential indicator; Comprise the shell and the internal circuit that are shaped as hollow rectangular parallelepiped, internal circuit comprises input end, rectification unit, trigger element, luminescence component, protective resistance and delivery outlet, and input end is connected with the input end of rectification unit; The output terminal of rectification unit is connected with the input end of trigger element; The output terminal of trigger element is connected with the input end of luminescence component, and the output terminal of luminescence component is connected with protective resistance, and protective resistance is connected with delivery outlet; The front of said shell is provided with two lamp holes at least; The back side of shell is provided with stationary installation, and rectification unit comprises at least two diode in series successively, is parallel with shunt resistance on each diode.Lamp hole is used to lay light emitting diode.
Said stationary installation comprise fixed mount, anchor ear and and anchor ear on the screw bolt and nut that matches of fixed orifice, fixed mount is fixed on the back side of housing, anchor ear is fixed on the fixed mount.
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 R1 is 1k Ω ~ 5k Ω.
The Standard resistance range of said resistance R 2 is 0.1k Ω ~ 1k Ω.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model adopts the form that rectification unit, trigger element, luminescence component are connected successively, converts alternating voltage to DC voltage, as criterion, has greatly improved promptness and the accuracy judged by the light on and off of luminescence component.
(2) rectification unit of the utility model is provided with at least two diodes, and 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 utility model adopts anchor ear as stationary installation, can indicator be fixed on determinand or other stationary installations firmly, helps more stably operating the utility model.
(3) 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 shell 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 shell of the embodiment 2 of the utility model;
Fig. 5 is the stereographic map of shell 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, bidirectional trigger diode, 4, luminescence component; 5, protective resistance, 6, delivery outlet, 7, diode, 8, shunt resistance; 9, light emitting diode, 10, electric capacity, 11, shell; 12, lamp hole, 13, fixed mount, 14, anchor ear.
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 shell 11 and the internal circuit that is shaped as hollow rectangular parallelepiped; The front of shell 11 is provided with two lamp holes 12, and the back side of shell 11 is provided with stationary installation, stationary installation comprise fixed mount 13, anchor ear 14 and and anchor ear 14 on the screw bolt and nut that matches of fixed orifice; Fixed mount 13 is fixed on the back side of housing 11, and anchor ear 14 is fixed on the fixed mount 13.
Internal circuit comprises input end 1, rectification unit 2, trigger element, luminescence component 4, protective resistance 5 and delivery outlet 6; The Standard resistance range of protective resistance 5 is 1k Ω ~ 5k Ω, and input end 1 is connected with the input end of rectification unit 2, and the output terminal of rectification unit 2 is connected with the input end of trigger element; The output terminal of trigger element is connected with the input end of luminescence component 4; The output terminal of luminescence component 4 is connected with protective resistance 5, and protective resistance 5 is connected with delivery outlet 6, and rectification unit 2 comprises two diode in series 7 successively; Be parallel with shunt resistance 8 on each diode 7, the Standard resistance range of shunt resistance 8 is 0.1k Ω ~ 1k Ω.
The trigger element of present embodiment comprises bidirectional trigger diode 3 and the electric capacity 10 parallelly connected with the two ends of bidirectional trigger diode 3.
The luminescence component 4 of present embodiment comprises two groups of light emitting diodes 9, and the light emitting diode 9 in the group is connected each other, and the light emitting diode 9 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 is that the front of shell 11 is provided with three lamp holes 12; Rectification unit 2 comprises three diode in series 7 successively; Be parallel with shunt resistance 8 on each diode 7, the Standard resistance range of shunt resistance 8 is 0.1k Ω ~ 1k Ω, and luminescence component 4 comprises three groups of light emitting diodes 9; Light emitting diode 9 in the group is connected each other, and the light emitting diode 9 between group is parallel with one another.
The principle of work of the utility model is: at first, the shell 11 of the utility model is fixed on through anchor ear 14 treats on electricity measurer or other stationary installations, the internal circuit of the utility model perhaps is connected at other positions with the housing of treating electricity measurer through outer lead; Voltage at first gets into this circuit through input port 1; Under the effect of rectification unit 2, convert alternating voltage into DC voltage then, 3 conductings of voltage triggered bidirectional trigger diode; Arrive luminescence component 4; At this moment, light emitting diode 9 is light, shows that there is high voltage appearance in this casing for electric appliances; When light emitting diode 9 then is in when extinguishing state, then show not have high voltage appearance on this casing for electric appliances.
As stated, then can realize the utility model well.
Claims (6)
1. fixable mesohigh potential indicator; Comprise the shell (11) and the internal circuit that are shaped as hollow rectangular parallelepiped; Internal circuit comprises input end (1), rectification unit (2), trigger element, luminescence component (4), protective resistance (5) and delivery outlet (6); Input end (1) is connected with the input end of rectification unit (2), and the output terminal of rectification unit (2) is connected with the input end of trigger element, and the output terminal of trigger element is connected with the input end of luminescence component (4); The output terminal of luminescence component (4) is connected with protective resistance (5); Protective resistance (5) is connected with delivery outlet (6), it is characterized in that: the front of said shell (11) is provided with two lamp holes (12) at least, and the back side of shell (11) is provided with stationary installation; Rectification unit (2) comprises at least two diode in series (7) successively, is parallel with shunt resistance (8) on each diode (7).
2. a kind of fixable mesohigh potential indicator according to claim 1; It is characterized in that: said stationary installation comprise fixed mount (13), anchor ear (14) and and anchor ear (14) on the screw bolt and nut that matches of fixed orifice; Fixed mount (13) is fixed on the back side of housing (11), and anchor ear (14) is fixed on the fixed mount (13).
3. a kind of fixable mesohigh potential indicator according to claim 1 is characterized in that: said trigger element comprises bidirectional trigger diode (3) and the electric capacity (10) parallelly connected with the two ends of bidirectional trigger diode (3).
4. a kind of fixable mesohigh potential indicator according to claim 1; It is characterized in that: said luminescence component (4) comprises at least two group light emitting diodes (9); Light emitting diode (9) in the group is series connection each other, and the light emitting diode between group (9) is parallel with one another.
5. a kind of fixable mesohigh potential indicator according to claim 1 is characterized in that: the Standard resistance range of said protective resistance (5) is 1k Ω ~ 5k Ω.
6. a kind of fixable mesohigh potential indicator according to claim 1 is characterized in that: the Standard resistance range of said shunt resistance (8) is 0.1k Ω ~ 1k Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203918341U CN202305645U (en) | 2011-10-15 | 2011-10-15 | Fixable medium-high-voltage charge indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203918341U CN202305645U (en) | 2011-10-15 | 2011-10-15 | Fixable medium-high-voltage charge indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202305645U true CN202305645U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203918341U Expired - Fee Related CN202305645U (en) | 2011-10-15 | 2011-10-15 | Fixable medium-high-voltage charge indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202305645U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006210A (en) * | 2014-05-25 | 2014-08-27 | 曾欣颐 | Gas valve state indicator |
-
2011
- 2011-10-15 CN CN2011203918341U patent/CN202305645U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006210A (en) * | 2014-05-25 | 2014-08-27 | 曾欣颐 | Gas valve state indicator |
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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: 20120704 Termination date: 20121015 |