CN2086003U - Means for indicating condition of fuse - Google Patents
Means for indicating condition of fuse Download PDFInfo
- Publication number
- CN2086003U CN2086003U CN 91201707 CN91201707U CN2086003U CN 2086003 U CN2086003 U CN 2086003U CN 91201707 CN91201707 CN 91201707 CN 91201707 U CN91201707 U CN 91201707U CN 2086003 U CN2086003 U CN 2086003U
- Authority
- CN
- China
- Prior art keywords
- fuse
- light
- indicating condition
- sounding
- current
- 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.)
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Abstract
The utility model relates to a means for indicating condition of a fuse, which is the device for indicating or distinguishing the fusion of the fuse. The utility model is composed of current-limiting resistance, a light emission element, a sound emission element, etc. The light emission element is connected with the sound emission element in parallel mode to conduct connection with the current-limiting resistance in series. At mean time, the device is connected by the fuse in a way of short circuit without electricity consuming. The utility model has simple wire connection and less components; the acousto-optic indication can be simultaneously emitted, and the fault is easy to be judged.
Description
At present, what China's industry or civilian electric equipment and lighting apparatus, its circuit were insured the device employing all is fuse or protective tube.When fuse melting or power supply have a power failure when causing equipment to be stopped transport, which kind of reason can not accurately form a prompt judgement is; Electric concentrated local or have the place of multistage insurance, when fuse melting, more can not find out the fault point rapidly and exactly; Particularly static monitoring equipment, the person on duty more is difficult for realizing when internal short-circuit causes fuse melting, when monitoring equipment began to carry out, the person on duty realized late.
The utility model Means for indicating condition of fuse is to overcome above shortcoming, is intended to propose a kind of device that causes fuse melting or power supply to have a power failure because of load short circuits or overload that whether is used to differentiate, and searches the fault purpose quickly and accurately thereby reached.
The main technical schemes that is adopted mainly is made of current-limiting resistance and luminous, sounding original paper.Light-emitting component and current-limiting resistance series connection, when adopting the luminous and sounding type original paper simultaneously, the two parallel connection.This device is connected in the two ends of insurance.Just often, insurance BX is with this device short circuit.As load R
LWhen short circuit or overload caused fuse melting, this device was subjected to electricity, sent the acousto-optic indication.
The utility model has following advantage:
1, when fuse melting, can send the acousto-optic indication.When power supply had a power failure, sounding was not luminous yet.So when equipment is stopped transport, can judge it is the reason that fuse melting or power supply have a power failure exactly.
2, concentrate electric, the place that insurance is many, failure judgement point exactly is so that fix a breakdown rapidly.
3, wiring is simple, and the element device is few.
4, there are not extra additional supply, not power consumption under the normal condition.
5, when fuse melting is started working, power consumption tens milliwatts.
6, can be widely used in the following alternating current circuit of 380V.
The utility model has following accompanying drawing:
Accompanying drawing one is the schematic diagram of a kind of form of implementation of Means for indicating condition of fuse.R wherein
1Current-limiting resistance, D
1Light-emitting diode, HTD piezoelectricity singing piece, BX insurance, R
LLoad.By light-emitting diode D
1Electric current generally be limited in about 10MA.Current-limiting resistance R
1According to selecting, generally can be 30-50K Ω by the electric current and the supply voltage of light-emitting diode.
Accompanying drawing two is the electrical schematic diagram of the another kind of form of implementation of this device.Consider in some DC circuit to add safeties when therefore above-mentioned form circuit is used for DC circuit, possesses the sounding effect simultaneously and be restricted, so at light-emitting diode D
1Divider resistance R of back series connection
2, in order to certain voltage to be provided.With R
2Electrical equipment C in parallel strobes.Adopt a music integrated chip IC to make piezoelectricity singing piece HTD sounding simultaneously.Like this, this embodiment circuit all can possess the luminous and sounding type effect simultaneously in AC-DC Circuit.Wherein BX insurance, R
LLoad.
Concrete effect of the present utility model and principle are described in conjunction with the accompanying drawings:
Shown in accompanying drawing one, this device is connected in parallel on insurance BX two ends, load R
LDuring normal the operation, BX is with this device short circuit in insurance, and this device is not worked; When load short circuits or overload caused fuse melting, this device was subjected to electricity by certain electric current, light-emitting diode D
1Luminous, if piezoelectricity singing piece HTD will the while sounding in alternating current circuit.
Shown in accompanying drawing two, this device is attempted by insurance BX two ends, load R
LDuring normal the operation, insurance BX installs short circuit with this, and this device is not subjected to.When insurance BX fusing, if in DC circuit, light-emitting diode D
1Only play luminous effect, divider resistance R
2Certain voltage is provided for music integrated chip IC, IC work drives the piezoelectricity singing piece sounding; If in alternating current circuit, light-emitting diode except that luminous, the rectified action of having held concurrently, capacitor C strobes, through behind the rectifying and wave-filtering, R
2Provide certain direct voltage to music integrated chip IC, IC task driven piezoelectricity singing piece HTD sounding.
Claims (5)
1, a kind of Means for indicating condition of fuse that is used to differentiate fuse melting is characterized in that mainly that by current-limiting resistance light-emitting component and sounding component constitute; Connect with current-limiting resistance after the parallel connection of luminous and sounding type element, this device is in parallel with insurance, is serially connected in the circuit.
2, according to the described Means for indicating condition of fuse of claim 1, its feature divider resistance R that can behind light-emitting diode, connect
2With R
2Capacitor C in parallel, sounding component and divider resistance parallel connection, sounding component adopts music integrated chip IC and piezoelectric ceramic piece to constitute.
3,, it is characterized in that the light-emitting component that is provided with can adopt light-emitting diode according to the described Means for indicating condition of fuse of claim 1.
4,, it is characterized in that light-emitting component can adopt neon bulb generally to indicate the fluorescence glow lamp of usefulness according to the described Means for indicating condition of fuse of claim 1.
5,, it is characterized in that sounding component adopts piezoelectric ceramic piece according to the described Means for indicating condition of fuse of claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91201707 CN2086003U (en) | 1991-01-28 | 1991-01-28 | Means for indicating condition of fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91201707 CN2086003U (en) | 1991-01-28 | 1991-01-28 | Means for indicating condition of fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2086003U true CN2086003U (en) | 1991-10-02 |
Family
ID=4912417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91201707 Withdrawn CN2086003U (en) | 1991-01-28 | 1991-01-28 | Means for indicating condition of fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2086003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734262B (en) * | 2009-12-30 | 2012-01-11 | 成都运达科技股份有限公司 | Lead-off detection method of thermal fuse type sensor |
| EP3089552A1 (en) * | 2015-04-29 | 2016-11-02 | TE Connectivity Nederland B.V. | Dc low voltage power distribution unit and system for a power grid |
-
1991
- 1991-01-28 CN CN 91201707 patent/CN2086003U/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734262B (en) * | 2009-12-30 | 2012-01-11 | 成都运达科技股份有限公司 | Lead-off detection method of thermal fuse type sensor |
| EP3089552A1 (en) * | 2015-04-29 | 2016-11-02 | TE Connectivity Nederland B.V. | Dc low voltage power distribution unit and system for a power grid |
| WO2016174138A1 (en) * | 2015-04-29 | 2016-11-03 | Tyco Electronics Nederland Bv | Dc low voltage power distribution unit and system for a power grid |
| US20180069397A1 (en) * | 2015-04-29 | 2018-03-08 | Tyco Electronics Nederland Bv | DC Low Voltage Power Distribution Unit and System For A Power Grid |
| US11043806B2 (en) * | 2015-04-29 | 2021-06-22 | Te Connectivity Nederland Bv | DC low voltage power distribution unit and system for a power grid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |