CN108508321B - Intelligent early warning fuse - Google Patents
Intelligent early warning fuse Download PDFInfo
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- CN108508321B CN108508321B CN201810282447.0A CN201810282447A CN108508321B CN 108508321 B CN108508321 B CN 108508321B CN 201810282447 A CN201810282447 A CN 201810282447A CN 108508321 B CN108508321 B CN 108508321B
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- fuse
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/74—Testing of fuses
Abstract
The invention relates to the technical field of fuses, in particular to an intelligent early warning fuse and a preparation method of a fuse core in the fuse. According to the intelligent early warning fuse, monitoring and early warning are carried out on the fuse by monitoring multiple parameters, and workers can be helped to make related preparation work in advance; with the detachable setting of casing and with the detachable setting of fuse core and electrode, only through changing the fuse core both can continue to use, practiced thrift use cost. Meanwhile, the fuse with different specifications is stored by arranging the storage groove, so that the use flexibility of the fuse is improved. By using the detachable combination of the ceramic material and the transparent plastic, the high-temperature resistance and the reliability of the shell can be ensured while the weight of the shell is reduced. According to the preparation method of the fuse fusing core, the temperature indicating layers are coated in multiple sections, so that personnel can conveniently observe the color change to pay attention to the working temperature of the fuse in real time, and further can make advance adjustment.
Description
Technical Field
The invention relates to the technical field of fuses, in particular to an intelligent early warning fuse.
Background
The existing fuse can not monitor the working temperature, the working current and other parameters of the fuse in time, under the general condition, only when the fuse current or the fuse temperature reaches a certain degree to cause the fusing core to fuse, the user can know that the electric equipment is abnormal in operation, and only the fuse can be replaced afterwards, so that the related personnel can not be warned in time in advance to prepare for precaution. In particular, for special electricity departments such as production workshops, a short-time power failure brings great economic loss to the departments, and for households, the power failure can be prevented only by replacing fuses or reducing power consumption equipment which operates simultaneously, and a lot of inconvenience is also brought. Although some fuses in the prior art use color-changing pigments for the fuses, for example, in patent document CN102598189B, the fuse position is determined only by using the color-changing characteristics of the pigments, and early warning of fuse blowing and early warning by using color change still cannot be completed. The temperature indicating coating is irreversible, can only be used for determining a fusing point through color change when the fuse is fused, and cannot perform early warning before the fuse is fused, the preparation process is relatively complex, and the production efficiency is influenced.
The shell of the existing fuse is generally a plastic shell or a ceramic shell, the ceramic shell is heavy although resistant to high temperature, the plastic shell is light but not resistant to high temperature, great potential safety hazards exist in the long-time use process, and the existing fuse which is light and safe can be used is also available in the market.
The existing fuse in the market is only provided with one fuse, and the fuse can be replaced and used only by replacing the whole fuse or replacing fuses of other specifications under the condition of damage in use or when the load power is increased, so that the fuse is inconvenient in accident conditions, and the production efficiency can be influenced for production operation departments such as factories, and the like, so that the fuse also has the defects of being not intelligent and convenient enough and influencing the economic benefit of the factories.
Disclosure of Invention
The invention aims to provide a portable and durable intelligent fuse which is higher in use flexibility, can perform reliable early warning in advance.
An intelligent early warning fuse comprises a fuse core, an electrode and a shell, wherein the fuse core is arranged in the shell, one end of the electrode penetrates through the shell to be electrically connected with the fuse core, the other end of the electrode is arranged outside the shell, the fuse further comprises a fuse early warning device, a temperature sensor and a current sensor, the temperature sensor is arranged on the surface of the fuse core and used for monitoring the temperature change of the surface of the fuse core in real time, the current sensor is arranged outside the shell and electrically connected with the electrode and used for reading the current value passing through the fuse in real time, the temperature sensor respectively transmits the measured temperature value and the measured current value to the fuse early warning device arranged outside the shell, the fuse early warning device compares the received temperature value and the received current value with a preset fuse early warning temperature value and a preset fuse early warning current value, and when any one of the received temperature value and the received current value exceeds the preset early warning temperature value or the early warning current value, a fusing early-warning device sends out early warning; the fuse core is capable of displaying temperature and comprises a fuse body and a reversible temperature displaying layer coated on the surface of the fuse body, when the surface temperature of the fuse body is greater than or equal to the color changing temperature of the reversible temperature displaying layer, the color of the temperature displaying layer coated on the surface of the fuse body is changed, when the surface temperature of the fuse body is lower than the color changing temperature of the reversible temperature displaying layer, the color of the temperature displaying layer coated on the surface of the fuse body is recovered to be the original color, and the color changing temperature of the reversible temperature displaying layer is lower than the fusing temperature of the fuse core;
the casing includes the basement and can dismantle the card shell of being connected with the basement, and the basement is made by high temperature resistant ceramic material for support the fuse core and insert the one end of the electrode in the casing, the card shell includes the observation portion of making by transparent plastic, the card shell include connecting portion with the observation portion, the observation portion with connecting portion constitute the card shell with the joint mode, connecting portion with the connection can be dismantled to the basement, connecting portion constitute for light high temperature resistant material, the observation portion sets up in the casing top just to fuse core position, the observation portion is made by transparent high temperature resistant plastic, fuse core with the electrode is connected for the joint.
Furthermore, reversible temperature indicating layer includes the reversible temperature indicating sublayer of multistage that arranges in proper order along fuse body axial, every reversible temperature indicating sublayer is coated on fuse body surface by a reversible temperature indicating coating and is formed, different reversible temperature indicating sublayers correspond different reversible temperature indicating coatings, when fuse body surface temperature is greater than or equal to the temperature that discolours that this reversible temperature indicating sublayer corresponds, this reversible temperature indicating sublayer colour changes, when fuse body surface temperature is less than the temperature that discolours that this reversible temperature indicating sublayer corresponds, this reversible temperature indicating sublayer colour resumes to the colour before discolouring, the temperature that discolours that different reversible temperature indicating sublayers correspond is different, the colour before each reversible temperature indicating sublayer takes place to discolour is different each other, the colour after each reversible temperature indicating sublayer takes place to discolour is different each other, there is not the overlap between each reversible temperature indicating sublayer.
Further, a storage groove is formed in the shell and used for storing the standby fuse core; different clamping positions are arranged in the storage tank and used for storing fusing cores of different specifications; the clamping shell is a square clamping shell.
The beneficial technical effects are as follows: the intelligent early warning fuse provided by the invention monitors and early warns the fuse by monitoring a plurality of parameters, and completes early warning of possible fuse by monitoring the temperature of the fuse core, the passing current of the fuse and observing the color change of the temperature indicating layer on the surface of the fuse core, thereby further making related preparation work in advance; with the detachable setting of casing and with the detachable setting of fuse core and electrode, only through changing the fuse core both can continue to use, practiced thrift use cost. Meanwhile, the fuse with different specifications is stored by arranging the storage groove, so that the use flexibility of the fuse is improved. By using the detachable combination of the ceramic material and the transparent plastic, the high-temperature resistance and the reliability of the shell can be ensured while the weight of the shell is reduced.
Drawings
Fig. 1 is a top view of the intelligent early warning fuse of the present invention.
FIG. 2 is a schematic diagram of a fuse core structure of the intelligent early warning fuse of the present invention.
Fig. 3 is a schematic structural diagram of the intelligent early warning fuse housing according to the present invention.
The specific implementation mode is as follows:
in order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.
Referring to the attached drawings of the specification, fig. 1-3, the invention provides an intelligent early warning fuse, which comprises a fuse core 1, two electrodes 2 and a shell 3, wherein the fuse core is arranged in the shell, the two electrodes 2 are respectively and electrically connected with two ends of the fuse core, one end of each electrode 2 penetrates through the shell to be electrically connected with the fuse core 1, the other end of each electrode 2 is arranged outside the shell 3, the fuse further comprises a fuse early warning device 4, a temperature sensor 5 and a current sensor 6 (or conventional current reading equipment or current measuring equipment or current sensing equipment such as an ammeter and the like), the temperature sensor 5 is arranged on the surface of the fuse body to monitor the surface temperature change of the fuse body in real time, the current sensor 6 is arranged inside or outside the shell 3 and is electrically connected (in series) with the electrodes 2 and used for reading the current value passing through the fuse in real time, and the temperature sensor 5 measures, The current sensor 6 (such as an ammeter 6) respectively transmits the measured current values to a fusing early-warning device 4 arranged outside the shell, the fusing early-warning device 4 compares the received temperature values and current values with preset fuse early-warning temperature values and fuse early-warning current values, and when any one of the received temperature values and current values exceeds the corresponding preset fuse early-warning temperature value or the preset fuse early-warning current value, the fusing early-warning device gives out early warning, wherein the early warning mode can be sound early warning, warning lamp early warning or early warning in other common modes; the temperature sensor, the current sensor and the fusing early warning device can be connected in a line connection or wireless communication mode to transmit signals; as a further optimization, the fusing early warning device is arranged at a position where an operator can easily know the warning signal, and data transmission is carried out between the fusing early warning device and the temperature sensor or the current sensor in a wireless communication mode.
The fuse core 1 is a fuse core 1 capable of displaying temperature and comprises a fuse body and a reversible temperature displaying layer coated on the surface of the fuse body, when the surface temperature of the fuse body is greater than or equal to the color changing temperature of the reversible temperature displaying layer, the color of the temperature displaying layer coated on the surface of the fuse body is changed, when the surface temperature of the fuse body is lower than the color changing temperature of the reversible temperature displaying layer, the color of the temperature displaying layer coated on the surface of the fuse body is recovered to the original color, and the color changing temperature of the reversible temperature displaying layer is lower than the fusing temperature of the fuse core;
the housing 3 includes a substrate 10 and a card case 11 detachably connected to the substrate, the substrate 10 is made of a high temperature resistant ceramic material for supporting one end of the fusible core 1 and the electrode 2 inserted into the housing, and the card case 11 includes an observation portion 12 made of a transparent plastic.
In one embodiment, all of the clamping shells 11 are observation parts and all of the clamping shells are made of transparent plastics, so that the weight of the fuse shell can be reduced to the maximum extent on the premise of ensuring the high temperature resistance of the fuse shell, the use portability of the fuse is improved, and the color change of the fuse core in the shell can be observed more conveniently.
As alternative preferred embodiment, card shell 11 include connecting portion with the observation portion, the observation portion with connecting portion constitute the card shell with the joint mode, connecting portion can be dismantled with the basement and be connected, connecting portion comprise light high temperature resistant material, the observation portion sets up in the casing top just to the fuse core position, and the personnel of being convenient for in time observe the colour change of fuse core, the observation portion is made by transparent high temperature resistant plastics.
As a further optimized embodiment, the shell is further provided with a storage groove which is used for storing a standby fuse core, so that the use flexibility of the fuse can be further improved, the use of a family or a production workshop is facilitated, when the fuse core is fused, the normal use of the fuse can be met only by timely replacing the fuse core, the use cost of the fuse is saved, the production efficiency can be improved, and the time for replacing the fuse is saved.
As a preferred embodiment, the storage slot is provided on the observation portion or the connection portion, and the position of the storage slot can be flexibly adjusted according to the specific use object and application environment of the fuse.
As a preferred embodiment, different screens are arranged in the storage tank and used for storing the fusing cores with different specifications. When the load power is changed, the specification of the fuse can be flexibly adjusted on the premise of not influencing safety according to the use requirement, so that the use flexibility is improved.
In a preferred embodiment, the temperature indicating layer comprises a plurality of reversible temperature indicating sublayers arranged in sequence along the axial direction of the fuse body, each reversible temperature indicating sublayer is formed by coating one reversible temperature indicating coating on the surface of the fuse body, different reversible temperature indicating sublayers correspond to different reversible temperature indicating coatings, when the surface temperature of the fuse body is greater than or equal to the color change temperature corresponding to the reversible temperature indicating sublayers, the color of the reversible temperature indicating sublayers changes, when the surface temperature of the fuse body is lower than the color change temperature corresponding to the reversible temperature indicating sublayers, the color of the reversible temperature indicating sublayers is recovered to the color before color change, the color change temperatures corresponding to the different reversible temperature indicating sublayers are different, the colors of the reversible temperature indicating sublayers before color change are different from each other, the colors of the reversible temperature indicating sublayers after color change are different, and no overlapping exists between the reversible temperature indicating sublayers. The reversible temperature indicating layer that sets up like this can make things convenient for personnel to know the working condition of fuse through observing the color change on fusing core surface before the fuse takes place to fuse, makes prevention preparation work in advance to the fuse fusing that probably takes place, and then improves work efficiency, avoids unnecessary economic loss. The temperature indicating material is a reversible temperature indicating material, so that the color change principle of the reversible temperature indicating layer can be repeatedly used to give a warning signal, and the reversible temperature indicating layer can be repeatedly used.
As a further preferred embodiment, the number of the reversible temperature indicating sub-layers which form the reversible temperature indicating layer and cover the fusing body is two, and the color of the first reversible temperature indicating sub-layer changes to the first color when the surface temperature of the fusing body is greater than or equal to the first color change temperature; when the surface temperature of the fusing body is greater than or equal to the second color change temperature, the color of the second reversible temperature indicating sublayer changes to a second color; the first color is different from the second color, the first color-changing temperature is lower than the second color-changing temperature, and preferably, the difference between the first color-changing temperature and the second color-changing temperature is more than or equal to 30 ℃.
As a further preferred embodiment, the number of reversible temperature indicating sub-layers which form the reversible temperature indicating layer and cover the fusing body is three, and the color of the first reversible temperature indicating sub-layer 7 is changed to a first color when the surface temperature of the fusing body is greater than or equal to a first color change temperature; when the surface temperature of the fusing body is greater than or equal to the second color change temperature, the color of the second reversible temperature indicating sublayer 8 is changed into a second color; when the surface temperature of the fusing body is greater than or equal to the second color change temperature, the color of the third reversible temperature indicating sublayer 9 is changed into a third color; the first color, the second color and the third color are different from each other, the first color changing temperature is lower than the second color changing temperature, the second color changing temperature is lower than the third color changing temperature, and preferably, the difference values among the first color changing temperature, the second color changing temperature and the third color changing temperature are all larger than or equal to 30 ℃.
Furthermore, the fuse core and the electrode are detachably connected, so that the fuse core is convenient to replace, and the cost is saved.
The preparation method of the fuse core of the intelligent early warning fuse comprises the following steps: step one, cutting the fusing body
Cutting a section of metal fusing body with the length of L and meeting the specification of the fuse wire, and placing the metal fusing body in coating equipment for coating the cutting fusing body subsequently;
step two, preparing N groups of reversible temperature indicating coatings, wherein N is a positive integer and is more than or equal to 2;
(1) mixing and diluting the coloring oil paint and the first reversible temperature indicating material to prepare a first reversible temperature indicating paint;
(2) by the same method, a second reversible temperature indicating paint, … … and an Nth reversible temperature indicating paint were prepared.
Step three, coating temperature indicating paint to form a temperature indicating layer
Sequentially coating a first reversible temperature indicating coating, a second reversible temperature indicating coating, … … and an Nth reversible temperature indicating coating with the length of M along the axial direction of the fusing body to form a first reversible temperature indicating sublayer, a second reversible temperature indicating sublayer, … … and the Nth reversible temperature indicating sublayer so as to form a temperature indicating layer, wherein the first reversible temperature indicating sublayer becomes a first color when the surface temperature of the fusing body is higher than the first temperature, and restores the original color when the surface temperature of the fusing body is lower than the first temperature; the second reversible temperature indicating sublayer changes to a second color when the surface temperature of the fuse body is higher than the second temperature and returns to the original color when the surface temperature of the fuse body is lower than the second temperature, … …, the Nth reversible temperature indicating sublayer changes to an Nth color when the surface temperature of the fuse body is higher than the Nth temperature and returns to the original color when the surface temperature of the fuse body is lower than the Nth temperature; wherein the first temperature is lower than the second temperature, the second temperature is lower than the third temperature … …, the Nth temperature is lower than the fusing temperature of the fusing body, and each reversible temperature indicating sublayer is not covered with each other;
step four, assembling to form fuse fusing core
And after the fusing body coated with the temperature indicating sub-layer is dried, connecting terminals are arranged at two ends of the fusing body, and the fusing core of the fuse is formed by assembling.
As a preferred embodiment, two or three groups of reversible temperature indicating coatings are prepared, and fuse fusing cores coated with two or three groups of reversible temperature indicating layers are prepared according to the steps.
As a preferred embodiment, the Nth temperature is lower than the fusing temperature of the fuse body by W, wherein W is not less than 2 ℃ and not more than 10 ℃.
As an alternative embodiment, the lengths of the reversible temperature indicating sublayers may be different or the same. As an alternative, the reversible temperature indicating layer may also be formed by only one reversible temperature indicating sublayer, i.e. N ═ 1;
further, the temperature indicating coating is an organic reversible temperature indicating coating or an inorganic reversible temperature indicating coating. Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. An intelligent early warning fuse comprises a fuse core, an electrode and a shell, wherein the fuse core is arranged in the shell, one end of the electrode penetrates through the shell to be electrically connected with the fuse core, the other end of the electrode is arranged outside the shell, the fuse is characterized by further comprising a fuse early warning device, a temperature sensor and a current sensor, the temperature sensor is arranged on the surface of the fuse core and used for monitoring the temperature change of the surface of the fuse core in real time, the current sensor is arranged outside the shell and electrically connected with the electrode and used for reading the current value passing through the fuse in real time, the temperature sensor respectively transmits the measured temperature value and the measured current value to the fuse early warning device arranged outside the shell, and the fuse early warning device compares the received temperature value and the received current value with the preset fuse early warning temperature value and the preset fuse early warning current value, when any one of the received temperature value and the current value exceeds a preset early warning temperature value or an early warning current value, a pre-warning device is fused to send out early warning;
the fuse core is capable of displaying temperature and comprises a fuse body and a reversible temperature displaying layer coated on the surface of the fuse body, when the surface temperature of the fuse body is greater than or equal to the color changing temperature of the reversible temperature displaying layer, the color of the temperature displaying layer coated on the surface of the fuse body is changed, when the surface temperature of the fuse body is lower than the color changing temperature of the reversible temperature displaying layer, the color of the temperature displaying layer coated on the surface of the fuse body is recovered to be the original color, and the color changing temperature of the reversible temperature displaying layer is lower than the fusing temperature of the fuse core;
the shell comprises a substrate and a clamping shell detachably connected with the substrate, the substrate is made of high-temperature-resistant ceramic materials and is used for supporting the fusing core and one end of the electrode inserted into the shell, the clamping shell comprises an observation part made of transparent plastics,
the card shell include connecting portion with the observation portion, the observation portion with connecting portion constitute the card shell with the joint mode, connecting portion with the connection can be dismantled to the basement, connecting portion constitute for light high temperature resistant material, the observation portion sets up in the casing top just to fusing the core position, the observation portion is made by transparent high temperature resistant plastics, fusing the core with the electrode is connected for the joint.
2. The intelligent early warning fuse as claimed in claim 1, wherein the reversible temperature indicating layer comprises a plurality of reversible temperature indicating sub-layers sequentially arranged along the axial direction of the fuse body, each reversible temperature indicating sub-layer is formed by coating one reversible temperature indicating paint on the surface of the fuse body, different reversible temperature indicating sub-layers correspond to different reversible temperature indicating paints, when the surface temperature of the fusing body is greater than or equal to the color-changing temperature corresponding to the reversible temperature indicating sublayer, the reversible temperature indicating sublayer changes color, when the surface temperature of the fusing body is lower than the color change temperature corresponding to the reversible temperature indicating sublayer, the color of the reversible temperature indicating sublayer is restored to be the color before the color change, the color change temperatures corresponding to different reversible temperature indicating sublayers are different, the color of each reversible temperature indicating sublayer before the color change is different, the color of each reversible temperature indicating sublayer after the color change is different, and the reversible temperature indicating sublayers are not overlapped.
3. The intelligent early warning fuse as claimed in any one of claims 1 to 2, wherein the housing is further provided with a storage slot for storing the spare fuse core; different clamping positions are arranged in the storage tank and used for storing fusing cores of different specifications; the clamping shell is a square clamping shell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810282447.0A CN108508321B (en) | 2018-04-02 | 2018-04-02 | Intelligent early warning fuse |
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| CN201810282447.0A CN108508321B (en) | 2018-04-02 | 2018-04-02 | Intelligent early warning fuse |
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| CN108508321A CN108508321A (en) | 2018-09-07 |
| CN108508321B true CN108508321B (en) | 2020-11-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110211851A (en) * | 2019-06-27 | 2019-09-06 | 东莞市金华电子有限公司 | A kind of reusable side's shell mould early warning fuse and its preparation process |
| ES2959012T3 (en) * | 2021-03-25 | 2024-02-19 | Future Systems Besitz Gmbh | Method and apparatus for detecting a fuse failure |
| CN114974883A (en) * | 2022-05-30 | 2022-08-30 | 广东电网有限责任公司 | Capacitor and temperature measuring method |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19744765A1 (en) * | 1997-10-10 | 1999-04-15 | Daimler Chrysler Ag | Fuse element circuit for automobile electrics |
| US20060087397A1 (en) * | 2004-10-26 | 2006-04-27 | Cooper Technologies Company | Fuse state indicating optical circuit and system |
| US20080048819A1 (en) * | 2005-05-05 | 2008-02-28 | Cooper Technologies Company | Modular Fuseholders With Wireless Communication Capabilities |
| CN200972848Y (en) * | 2006-11-01 | 2007-11-07 | 李全国 | Anti-theft material-saving fuse box |
| US8269597B2 (en) * | 2007-10-29 | 2012-09-18 | Cooper Technologies Company | Fuse with fuse state indicator |
| KR101040973B1 (en) * | 2009-11-11 | 2011-06-16 | 문형태 | The automatic borrowing fuse where the broken wire at the time of color changes and the manufacturing method |
| HRP20100161A2 (en) * | 2010-03-18 | 2011-09-30 | Kopčić Nikola | Condition indicator of melting part of cartridge of low-voltage highly-effective fuses |
| CN102269632A (en) * | 2010-06-03 | 2011-12-07 | 上海市电力公司 | Method for reflecting device heating in real time |
| CN201838609U (en) * | 2010-09-10 | 2011-05-18 | 南通美能得太阳能电力科技有限公司 | Photovoltaic component with temperature-display effect |
| CN103985617B (en) * | 2014-06-04 | 2016-02-17 | 苏州市南光电器有限公司 | A kind of Intelligent fuse |
| CN104900462A (en) * | 2015-07-01 | 2015-09-09 | 安庆市峰邦工业产品设计有限公司 | Light-emitting device for fuse |
| CN206789512U (en) * | 2017-06-06 | 2017-12-22 | 深圳瑞普电子有限公司 | A kind of fuse box structure |
-
2018
- 2018-04-02 CN CN201810282447.0A patent/CN108508321B/en active Active
Non-Patent Citations (1)
| Title |
|---|
| 可重复使用的断电复位可控温保险管工作原理浅析;卢子忱 等;《广东科技》;20150630(第12期);第41-42页 * |
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