CN105355517B - A kind of reusable insurance circuit device - Google Patents
A kind of reusable insurance circuit device Download PDFInfo
- Publication number
- CN105355517B CN105355517B CN201510689063.7A CN201510689063A CN105355517B CN 105355517 B CN105355517 B CN 105355517B CN 201510689063 A CN201510689063 A CN 201510689063A CN 105355517 B CN105355517 B CN 105355517B
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- China
- Prior art keywords
- pole
- safety pin
- iron block
- state
- reusable
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H61/00—Electrothermal relays
- H01H61/02—Electrothermal relays wherein the thermally-sensitive member is heated indirectly, e.g. resistively, inductively
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- Breakers (AREA)
- Protection Of Static Devices (AREA)
Abstract
The invention discloses a kind of reusable insurance circuit device, including electromagnet, controller, temperature sensor, iron block, safety pin, the first pole, the second pole, on-off element and protector housing.First pole and the second pole are installed in protector housing.The first end of safety pin is rotatably connected with the second pole, and iron block is sleeved on safety pin, and safety pin has two states during rotation, and under first state, safety pin second end is connected with the first pole, and electromagnet is located at the top of iron block；Under second state, the second end of safety pin is disconnected with the first pole.One end of electromagnetic coil on electromagnet is electrically connected with on-off element, other end ground connection.On-off element is electrically connected by rectification unit with the second pole.Controller is electrically connected with temperature sensor and on-off element, and temperature sensor is used for the temperature for detecting safety pin.Reliable operation of the present invention, and can reusing, reduce fuse because fusing and caused by waste.
Description
Technical field
The present invention relates to circuit temperature protector technical field, more particularly to a kind of reusable insurance circuit device.
Background technology
When circuit malfunctions or exception, it is possible to produce the constantly elevated phenomenon of electric current, elevated electric current are possible to
Damage some important devices in circuit or valuable device, it is also possible to burn circuit and even cause fire.This thing in order to prevent
Therefore occur, need installation insurance silk in circuit, fuse can current anomaly raise produce substantial amounts of heat afterwards to a certain extent and
Itself fusing, so as to cut off electric current.Play the role of protecting circuit safety.
At present, fuse mainly once property fuse and resettable fuse, disposable fuse nothing after fusing
Method is continuing with the fuse, it is necessary to more renew, and is unfavorable for saving material, and be not easy to replace；Resettable fuse can weigh
It is multiple to use, but resettable fuse use condition and type selecting are stringent, and improper use easily causes electrical breakdown or produces flame.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of reusable insurance circuit device.
A kind of reusable insurance circuit device proposed by the present invention, including electromagnet, controller, temperature sensor,
Iron block, safety pin, the first pole, the second pole, on-off element and protector housing；
First pole and the second pole are installed in protector housing；The first end of safety pin and the second pole are rotatable
Connection；Iron block is sleeved on safety pin；Safety pin has two states in its first end rotation process, under first state, protects
Dangerous pin second end is connected with the first pole, and the first pole, safety pin and the second pole form current channel, and electromagnet is located at iron
The top of block；Under second state, the second end of safety pin is disconnected with the first pole；
One end of electromagnetic coil on electromagnet is electrically connected with on-off element, other end ground connection；On-off element passes through rectification
Unit is electrically connected with the second pole, and it can be the circuit of solenoid to form one；Under on-off element on-state, electromagnetic wire
Enclose electric, electromagnet absorption iron block, the second state is switched to by safety pin from first state；
Controller is electrically connected with temperature sensor and on-off element, and temperature sensor is used for the temperature for detecting safety pin；When
When the temperature value of temperature sensor detection is more than the preset value in controller, controller control on-off element is connected；
Controller is equipped with reset key；Reset key is used to control on-off element to disconnect.
Preferably, resistive element is further included, it is connected between rectification unit and the second pole or on-off element and rectification
Between unit.
Preferably, rectification unit is bridge rectifier.
Preferably, iron block is spherical, and safety pin passes through the centre of sphere of iron block.
Preferably, iron block central point safety pin central point overlaps, or iron block central point is located at safety pin central point with protecting
Between dangerous pin second end.
Preferably, the upper end of the first pole is equipped with groove, and under first state, the second end of safety pin is located in the groove.
Preferably, the first pole and the second pole are made of copper.
Preferably, safety pin is made of copper.
Preferably, the first pole and the second pole are parallel to each other.
Compared with prior art, the present invention has the advantages that：
The present invention provides a kind of reusable insurance circuit device, temperature sensor therein can detect safety pin
Temperature value, when the temperature value is higher than preset value in controller, controller control on-off element is connected, work of electromagnet,
And produce magnetic field.Iron block on safety pin drives safety pin to rotate under the influence of a magnetic field, makes the second end and first of safety pin
Pole disconnects, cut-out power supply, therefore can play the role of protecting circuit.In addition, reset key is additionally provided with controller, in circuit
After maintenance is completed, start reset key, controller control on-off element disconnects, and electromagnet does not work, effect of the iron block in gravity
Lower drive safety pin is rotated around its first end, and the second end of safety pin is connected with the first pole, circuit normal work, so that
Protector is reusable, reduce in the prior art fuse wire because fusing and caused by waste.
Brief description of the drawings
Fig. 1 is the structure diagram of reusable insurance circuit device provided by the invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with attached drawing to specific real
Example is applied to be described in detail.
As shown in Figure 1, Fig. 1 is the structure diagram of reusable insurance circuit device provided by the invention, wherein wrapping
Include electromagnet 1, controller 2, temperature sensor 3, iron block 4, safety pin 5, the first pole 6, the second pole 7, on-off element 8, guarantor
Dangerous device housing, resistive element 10.
First pole 6 and the second pole 7 are installed in protector housing.The first end of safety pin 5 can with the second pole 7
Rotation connection, iron block 4 are sleeved on safety pin 5, can together be rotated with safety pin 5.Safety pin 5 is around its first end rotation process
In there are two states, under first state, 5 second end of safety pin is connected with the first pole 6, the first pole 6, safety pin 5 and
Two poles 7 form current channel, and electromagnet 1 is located at the top of iron block 4, and electromagnet 1 does not work under this state, in iron block 4
Under gravity, the second end of safety pin is connected with the first pole 6；Under second state, electromagnet 1 produces magnetic field, and iron block 4 is electric
Attraction, the second end of safety pin 5 are disconnected with the first pole 6.
In present embodiment, iron block 4 is spherical, and safety pin 5 passes through the centre of sphere of iron block 4.4 central point of iron block and safety pin
5 central points overlap, or 4 central point of iron block is located between 5 second end of 5 central point of safety pin and safety pin.So so that iron block
4 are more than 5 position of centre of gravity of safety pin and the spacing of 5 second end of safety pin with the spacing of 5 second end of safety pin, and can reduce makes insurance
Pin 5 rotates required magnetic field force, it is possible to increase the switch speed of safety pin 5.
In present embodiment, the first pole 6 and the second pole 7 are parallel to each other.The upper end of first pole 6 is equipped with groove, and
Under one state, the second end of safety pin 5 is located in the groove.Safety pin 5, the first pole 6 and the second pole 7 are made of copper.Such as
This, it is ensured that when safety pin 5 is located under first state, 5 and first pole 6 of safety pin has larger contact area, is conducive to
Electric current is from safety pin 5 with being flowed through on the first pole 6.
One end of electromagnetic coil on electromagnet 1 is electrically connected with on-off element 8, other end ground connection；On-off element 8 is by whole
Stream unit 9 is electrically connected with the second pole 7, and it can be the circuit of solenoid to form one, and rectification unit 9 is bridge rectifier electricity
Road.It is direct current that bridge rectifier, which is used for AC conversion, and the electric current that so, it is possible to ensure supply electromagnet 1 is direct current,
Electromagnet 1 is set to produce magnetic field.
In the state of on-off element 8 is connected, electromagnetic coil obtains electric, the generation of electromagnet 1 magnetic field, under the influence of a magnetic field, electricity
Magnet 1 adsorbs iron block, and safety pin 5 is switched to the second state from first state.
In present embodiment, resistive element 10 is connected between 9 and second pole 7 of rectification unit, when it is implemented, resistance
Element 10 can also be connected between on-off element 8 and rectification unit 9.
Controller 2 is electrically connected with temperature sensor 3, on-off element 8, and temperature sensor 3 is used for the temperature for detecting safety pin 5
Degree.Preset value is equipped with controller 2, when the temperature value that temperature sensor 3 detects is more than preset value, controller 2 controls break-make
Element 8 is connected.After on-off element is connected, electromagnet produces magnetic field, and safety pin is switched to the second state from first state.Such as
This, it can be achieved that safety pin from first state to the automatic switchover of the second state.
In present embodiment, on-off element 8 is p-type metal-oxide-semiconductor, so as to control the electromagnetic wire on electromagnet 1 by controller 2
Whether circle is powered, and then controls whether safety pin 5 switches between the first state and a second state.
Controller 2 is equipped with reset key, and reset key is used to control on-off element 8 to disconnect.Safety pin 5 is in the second state
When, if reset key is pressed, controller control on-off element 8 disconnects, and the power supply circuit of electromagnet 1 is disconnected, and magnetic field disappears, iron
Block 4 drives safety pin to turn to first state position under gravity, and the second end of safety pin 5 is connected with the first pole.
So, it can be achieved that the reuse of protector.
When specifically used, the first pole 6, the second pole 7 and safety pin 5 seal in circuit and communication power supply to be protected
Between, and the first pole 6 is connected with by protection circuit, the second pole 7 is connected with power supply.When circuit to be protected works normally
When, power supply is powered by safety pin to circuit to be protected；When circuit abnormality to be protected, circuit especially to be protected occurs
During short circuit phenomenon, become larger by the electric current of safety pin 5, safety pin 5 produces substantial amounts of heat, the rise of its temperature.Controller 2 is according to temperature
Whether the temperature value control on-off element 8 that degree sensor 3 measures is connected, and in the state of on-off element 8 is connected, power supply passes through
Pole 7, resistive element 10, rectification unit 9, on-off element 8 are powered for electromagnet, it is produced magnetic field.Iron block 4 is in magnetic fields
Under, safety pin 5 is switched to the second state, so as to achieve the purpose that to protect circuit.After fault is excluded, staff
Reset key is pressed, controller 2 controls on-off element 8 to disconnect, and electromagnet 1 powers off, and magnetic field disappears, and safety pin 5 returns to first state.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
- A kind of 1. reusable insurance circuit device, it is characterised in that：Including electromagnet（1）, controller（2）, temperature sensing Device（3）, iron block（4）, safety pin（5）, the first pole（6）, the second pole（7）, on-off element（8）With protector housing；First pole（6）With the second pole（7）It is installed in protector housing；Safety pin（5）First end and the second pole （7）It is rotatably connected；Iron block（4）It is sleeved on safety pin（5）On；Safety pin（5）There are two in its first end rotation process State, under first state, safety pin（5）Second end and the first pole（6）Connection, the first pole（6）, safety pin（5）With second Pole（7）Form current channel, and electromagnet（1）Positioned at iron block（4）Top；Under second state, safety pin（5）Second end With the first pole（6）Disconnect；Electromagnet（1）On electromagnetic coil one end and on-off element（8）It is electrically connected, other end ground connection；On-off element（8）Pass through Rectification unit（9）With the second pole（7）It is electrically connected, it can be the circuit of solenoid to form one；On-off element（8）Connect Under state, electromagnetic coil obtains electric, electromagnet（1）Iron block is adsorbed, by safety pin（5）The second state is switched to from first state；Controller（2）With temperature sensor（3）And on-off element（8）It is electrically connected, temperature sensor（3）For detecting safety pin （5）Temperature；Work as temperature sensor（3）The temperature value of detection is more than controller（2）In preset value when, controller（2）Control On-off element（8）Connect；Controller（2）It is equipped with reset key；Reset key is used to control on-off element（8）Disconnect；Iron block（4）Central point and safety pin（5）Central point overlaps, or iron block（4）Central point is located at safety pin（5）Central point with Safety pin（5）Between second end；First pole（6）Upper end be equipped with groove, and under first state, safety pin（5）Second end be located in the groove；Iron block（4）To be spherical, and safety pin（5）Through iron block（4）The centre of sphere.
- 2. reusable insurance circuit device according to claim 1, it is characterised in that：Further include resistive element （10）, it is connected in rectification unit（9）With the second pole（7）Between or on-off element（8）With rectification unit（9）Between.
- 3. reusable insurance circuit device according to claim 1, it is characterised in that：Rectification unit（9）For bridge-type Rectification circuit.
- 4. reusable insurance circuit device according to claim 1, it is characterised in that：First pole（6）With second Pole（7）It is made of copper.
- 5. reusable insurance circuit device according to claim 1, it is characterised in that：Safety pin（5）It is made of copper.
- 6. reusable insurance circuit device according to claim 1, it is characterised in that：First pole（6）With second Pole（7）It is parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689063.7A CN105355517B (en) | 2015-10-19 | 2015-10-19 | A kind of reusable insurance circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510689063.7A CN105355517B (en) | 2015-10-19 | 2015-10-19 | A kind of reusable insurance circuit device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105355517A CN105355517A (en) | 2016-02-24 |
| CN105355517B true CN105355517B (en) | 2018-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510689063.7A Active CN105355517B (en) | 2015-10-19 | 2015-10-19 | A kind of reusable insurance circuit device |
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| Country | Link |
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| CN (1) | CN105355517B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517936B (en) * | 2019-09-06 | 2021-07-02 | 绍兴阔源机械科技有限公司 | Quick response type alternating current fuse |
| CN118098902A (en) * | 2024-04-25 | 2024-05-28 | 旭程电子(深圳)有限公司 | High-voltage fuse and method for breaking high-voltage fuse |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2158135Y (en) * | 1992-07-24 | 1994-03-02 | 张雪峰 | Ten-thousands times safety tube |
| US5920251A (en) * | 1997-03-12 | 1999-07-06 | Eaton Corporation | Reusable fuse using current limiting polymer |
| CN103632859B (en) * | 2013-11-19 | 2017-01-18 | 浙江吉利控股集团有限公司 | Electric heating deicing device for electromagnetic switch contact of starter |
| CN204144194U (en) * | 2014-11-19 | 2015-02-04 | 梅照付 | A kind of automobile-used fuse |
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- 2015-10-19 CN CN201510689063.7A patent/CN105355517B/en active Active
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| Publication number | Publication date |
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| CN105355517A (en) | 2016-02-24 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20180417 Address after: 242300 Anhui Xuancheng Ningguo economic and Technological Development Zone, Nanshan Park, west side of Zhu Feng Road, Annie Electric Co., Ltd. Applicant after: Ningguo Anrui Electric Co., Ltd. Address before: 242300 Anhui Economic Development Zone, Ningguo, Nanshan Road, Nanshan Park, No. 68 Applicant before: ANHUI NINGGUO CITY TIANCHENG TECHNOLOGY DEVELOPMENT CO., LTD. |
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