CN114552552A - Surge protector - Google Patents
Surge protector Download PDFInfo
- Publication number
- CN114552552A CN114552552A CN202210327900.1A CN202210327900A CN114552552A CN 114552552 A CN114552552 A CN 114552552A CN 202210327900 A CN202210327900 A CN 202210327900A CN 114552552 A CN114552552 A CN 114552552A
- Authority
- CN
- China
- Prior art keywords
- circuit
- surge protector
- electrified
- piece
- protector device
- 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.)
- Granted
Links
- 230000001012 protector Effects 0.000 title claims abstract description 24
- 238000001514 detection method Methods 0.000 claims description 12
- 230000000007 visual effect Effects 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910001128 Sn alloy Inorganic materials 0.000 claims description 2
- 230000036632 reaction speed Effects 0.000 abstract 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 108091092568 Alarmone Proteins 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
- H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Resistance Heating (AREA)
- Fuses (AREA)
Abstract
The invention relates to a surge protector, which comprises a shell, wherein a cavity is formed in the shell, a power-on circuit and a protection mechanism are arranged in the cavity, and the protection mechanism is arranged in the cavity; the surge protector is simple in structure and convenient to use, two lines are arranged in the surge protector, the motor drives the poking piece to drive the energizing piece to be connected to the diversion circuit through the energizing line when the surge occurs, the surge is shunted to the underground to realize the protection of the electrical equipment, the energizing line is provided with the fuse link, the temperature sensor is connected with the temperature sensor, the temperature response is more sensitive, and the reaction speed is improved.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a surge protection device.
Background
The surge protector is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines. When spike current or voltage is suddenly generated in an electric loop or a communication line due to external interference, the surge protector can be conducted and shunted within a very short time, so that damage of surge to other equipment in the loop is avoided, and thunder and lightning are important reasons for damage of electronic equipment.
The existing surge protector generally adopts a temperature sensor to cooperate with a breaking switch, when a circuit suffers from surge, the temperature is rapidly increased, the temperature sensor detects the temperature, the breaking switch is disconnected to realize the protection of electrical equipment, but the heat conduction is a slow process, the possible temperature of the position where the temperature sensor is connected does not reach an alarm value or is instantly melted down by high temperature, the electrical equipment is damaged before the temperature sensor can not react, and the protection effect is not reached.
Disclosure of Invention
Based on the technical defects, the invention provides a surge protector, which solves the technical defects in the technical problems.
The surge protector comprises
The shell is internally provided with a cavity, and a power-on circuit is arranged in the cavity; and
the protection mechanism is arranged in the cavity;
the power-on circuit is provided with a movable power-on piece, and a fuse link is arranged below the power-on piece;
the protection mechanism comprises a control module, a driving assembly and a flow guide circuit, wherein the control module is provided with a temperature sensor and a circuit detection unit, the temperature sensor is connected with the electrified circuit, and the circuit detection unit is electrically connected with the electrified circuit;
the driving assembly is arranged in the cavity through a support and comprises a motor and a shifting piece, the motor is electrically connected with the control module, and one end of the shifting piece is connected with a motor output shaft;
the lower part of the flow guide circuit is connected with a grounding wire.
Further, the shell comprises a bottom plate and a cover body, the cover body is buckled on one surface of the bottom plate, a wire inlet is formed in the top of the cover body, a first wire outlet and a second wire outlet are formed in the bottom of the cover body, the electrified circuit is connected with an external electric wire through the wire inlet, the electrified circuit penetrates through the first wire outlet to be connected with equipment, and the diversion circuit penetrates through the second wire outlet to be connected with a grounding wire.
Further, the fuse link is hinged with the electrified circuit, the fuse link is made of tin alloy or silver, the length of the fuse link is 3-4.5cm, and the fuse link is welded with the electrified circuit.
Further, the poking sheet is connected with the output shaft of the motor in a screwing mode or welded mode, the poking sheet is parallel to the current carrying sheet when the circuit is normally connected, and the current carrying sheet is connected with the flow guiding circuit when the circuit suffers from surge.
Furthermore, the outer surface of the poking sheet is provided with an insulating layer, and the thickness of the insulating layer is 0.5-1 mm.
Furthermore, a wiring board is arranged at the top of the flow guide circuit and extends towards one side of the electrifying piece.
Further, the fuse-link outside is equipped with the arc-extinguishing cover, arc-extinguishing cover one side and cavity inner wall fixed connection, the arc-extinguishing cover is close circular telegram piece one side and has the breach, and this breach is used for circular telegram piece motion.
Further, the circuit detection unit is connected to a power-on circuit below the fuse link, and the circuit detection unit is provided with an indicator light which is arranged on the cover body or in the control chamber.
Further, the casing is made by PBT plastics, the bottom plate avris is opened has a plurality of mounting holes, be equipped with the screw with the mounting hole one-to-one on the lid.
Further, control module still is equipped with an audible and visual alarm, audible and visual alarm one end and control module electric connection, the other end is installed on the casing.
The surge protector is simple in structure and convenient to use, the two lines are arranged in the surge protector, when a surge occurs, the motor drives the poking piece to drive the electrifying piece to be connected to the flow guide circuit through the electrifying line, the surge is shunted to the underground to protect electrical equipment, the electrifying line is provided with the fuse link, the temperature sensor is connected with the fuse link, the temperature response is more sensitive, and the response speed is improved.
Drawings
FIG. 1 is a circuit configuration diagram of the present invention.
Wherein: 1. a power-on circuit; 11. a power-on sheet; 12. a fuse link; 13. a circuit detection unit; 2. a current-conducting circuit.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the surge protector of the present invention comprises a housing, a cavity is formed inside the housing, and a power line 1 is arranged inside the cavity; the casing includes bottom plate and lid, the lid lock is in the bottom plate one side, open at the lid top has an inlet wire, open the lid bottom has first outlet and second outlet, logical circuit 1 passes through the inlet wire and is connected with external electric line, logical circuit 1 passes first outlet and is connected with equipment, diversion circuit 2 passes the second outlet and is connected with the earth connection, the casing is made by the PBT plastics, the bottom plate avris is opened there are a plurality of mounting holes, be equipped with the screw with the mounting hole one-to-one on the lid.
The utility model discloses a fuse-link 12, including fuse-link 12, fuse-link 1, fuse-link 12 and fuse-link 11, fuse-link 11 is equipped with a mobile circular telegram piece 11, and this circular telegram piece 11 below is equipped with a fuse-link 12, fuse-link 11 and circular telegram 1 hinge of circuit, fuse-link 12 outside is equipped with the arc-extinguishing cover, arc-extinguishing cover one side and cavity inner wall fixed connection, the arc-extinguishing cover is close circular telegram piece 11 one side and has the breach, and this breach is used for circular telegram piece 11 to move, circuit detecting element 13 connects on the circular telegram 1 of fuse-link 12 below, circuit detecting element 13 has an pilot lamp, and this pilot lamp setting is on the lid or in the control chamber.
The protection mechanism is arranged in the cavity and comprises a control module, a driving assembly and a flow guide circuit 2, the control module is provided with a temperature sensor and a circuit detection unit 13, the temperature sensor is connected with the power-on circuit 1, and the circuit detection unit 13 is electrically connected with the power-on circuit 1;
the driving assembly is arranged in the cavity through a support and comprises a motor and a shifting piece, the motor is electrically connected with the control module, and one end of the shifting piece is connected with a motor output shaft; the lower part of the diversion circuit 2 is connected with a grounding wire, the poking sheet is connected with or welded with the output shaft of the motor in a rotating mode, the poking sheet is parallel to the electrified sheet 11 when the circuit is normally switched on, the electrified sheet 11 is connected with the diversion circuit 2 when the circuit suffers from surge, the outer surface of the poking sheet is provided with an insulating layer, and the thickness of the insulating layer is 0.5-1 mm.
The top of the diversion circuit 2 is provided with a wiring board which extends to one side of the electrifying piece 11.
The control module is also provided with an audible and visual alarm, one end of the audible and visual alarm is electrically connected with the control module, and the other end of the audible and visual alarm is installed on the shell.
The working principle of the invention is as follows: the fuse-free power supply comprises two circuits, wherein one circuit is a power-on circuit 1, an external power supply circuit passes through a first wire inlet to be connected with the top end of the power-on circuit 1 in a welding mode or a connection mode through a wiring terminal, the bottom end of the power-on circuit 1 passes through a first wire outlet to be connected with an electric wire of electrical equipment, the part of the power-on circuit 1 positioned in a cavity is sequentially connected with a power-on piece 11 and a fuse-link 12 from top to bottom, the power-on piece 11 is hinged to the power-on circuit 1, the bottom of the power-on piece 11 is connected with the fuse-link 12, the power-on piece 11 and the fuse-link 12 can be connected through side face coated with adhesive, the contact area is small during connection, the connection is firm, and the power-on piece 11 can be easily driven by a poking piece;
the double early warning protection is realized by the aid of the movable electrified piece 11 and the fuse link 12, the fuse link 12 is made of a material which has the characteristics of low melting point and easiness in temperature conduction compared with a normal wire, the fuse link 12 is made of a silver sheet, a silver wire, a copper sheet, a copper wire and the like, and the temperature sensor is connected between the fuse link 12 and the connection part of the electrified piece 11;
when surge occurs, the temperature sensor monitors generation of high temperature in real time, high temperature information of the high temperature is transmitted to the electrically connected control module, the control module is provided with a processor, the processor analyzes that the high temperature exceeds a preset value, a starting signal is sent to the motor, the motor drives the poking sheet to rotate, the general rotation angle is 90 degrees, the poking sheet is parallel to the electrified sheet 11, the poking sheet drives the electrified sheet 11 to rotate 90 degrees, the electrified sheet 11 is separated from being connected with the fuse link 12, one end of the rotated electrified sheet 11 is connected with the flow guide circuit 2, and the rotated poking sheet is kept still and used for supporting the electrified sheet 11;
after the conducting piece 11 is communicated with the flow guide circuit 2, high voltage and high current generated by surge are led into the ground through the flow guide circuit 2 and the grounding wire, so that the safety of electrical equipment is protected;
the circuit detection unit 13 connected to the power line 1 below the fuse link 12 detects the line in real time, and when the circuit detection unit 13 detects that no current flows through the line, the indicator lamp is turned on to inform relevant personnel of checking and replacing the surge protection device.
The surge protector is simple in structure and convenient to use, the two lines are arranged in the surge protector, when a surge occurs, the motor drives the poking piece to drive the electrifying piece 11 to be connected to the flow guide circuit 2 through the electrifying line 1, the surge is shunted to the underground to realize protection of electrical equipment, the electrifying line 1 is provided with the fuse link 12, the temperature sensor is connected with the fuse link, the temperature response is more sensitive, and the response speed is improved.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention relates, several simple deductions or substitutions may be made without departing from the spirit of the invention, and all shall be considered as belonging to the scope of the invention.
Claims (10)
1. A surge protector device, characterized in that: comprises that
The shell is internally provided with a cavity, and a power-on circuit is arranged in the cavity; and
the protection mechanism is arranged in the cavity;
the power-on circuit is provided with a movable power-on piece, and a fuse link is arranged below the power-on piece;
the protection mechanism comprises a control module, a driving assembly and a flow guide circuit, wherein the control module is provided with a temperature sensor and a circuit detection unit, the temperature sensor is connected with the electrified circuit, and the circuit detection unit is electrically connected with the electrified circuit;
the driving assembly is arranged in the cavity through a support and comprises a motor and a shifting piece, the motor is electrically connected with the control module, and one end of the shifting piece is connected with a motor output shaft;
the lower part of the flow guide circuit is connected with a grounding wire.
2. A surge protector device as claimed in claim 1, wherein: the shell comprises a bottom plate and a cover body, the cover body is buckled on one surface of the bottom plate, a wire inlet is formed in the top of the cover body, a first wire outlet and a second wire outlet are formed in the bottom of the cover body, the electrified line is connected with an external electric wire through the wire inlet, the electrified line penetrates through the first wire outlet and is connected with equipment, and the diversion circuit penetrates through the second wire outlet and is connected with a grounding wire.
3. A surge protector device as claimed in claim 1, wherein: the fuse link is made of tin alloy or silver, the length of the fuse link is 3-4.5cm, and the fuse link is welded with the electrified circuit.
4. A surge arrester as claimed in claim 1, wherein: the poking sheet is connected with the output shaft of the motor in a screwing mode or welded mode, the poking sheet is parallel to the electrified sheet when the circuit is normally connected, and the electrified sheet is connected with the flow guiding circuit when the circuit suffers from surge.
5. A surge protector device as defined in claim 4, wherein: the outer surface of the poking sheet is provided with an insulating layer, and the thickness of the insulating layer is 0.5-1 mm.
6. A surge protector device as defined in claim 4, wherein: the top of the diversion circuit is provided with a wiring board which extends to one side of the electrified piece.
7. A surge protector device as defined in claim 3, wherein: the fuse-link outside is equipped with the arc-extinguish chamber, arc-extinguish chamber one side and cavity inner wall fixed connection, the arc-extinguish chamber is close on one side of circular telegram piece and has the breach, and this breach is used for circular telegram piece motion.
8. A surge protector device as claimed in claim 1, wherein: the circuit detection unit is connected to a power-on circuit below the fuse link and is provided with an indicator light which is arranged on the cover body or in the control chamber.
9. A surge protector device as claimed in claim 2, wherein: the shell is made of PBT plastic, a plurality of mounting holes are formed in the side edge of the bottom plate, and screw holes in one-to-one correspondence with the mounting holes are formed in the cover body.
10. A surge protector device as claimed in claim 1, wherein: the control module is also provided with an audible and visual alarm, one end of the audible and visual alarm is electrically connected with the control module, and the other end of the audible and visual alarm is installed on the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327900.1A CN114552552B (en) | 2022-03-31 | 2022-03-31 | Surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210327900.1A CN114552552B (en) | 2022-03-31 | 2022-03-31 | Surge protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114552552A true CN114552552A (en) | 2022-05-27 |
| CN114552552B CN114552552B (en) | 2024-03-01 |
Family
ID=81664715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210327900.1A Active CN114552552B (en) | 2022-03-31 | 2022-03-31 | Surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114552552B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204858545U (en) * | 2015-06-30 | 2015-12-09 | 施耐德电器工业公司 | A backup protection circuit breaker for surge protector |
| CN109560538A (en) * | 2018-12-29 | 2019-04-02 | 赣电防雷电气有限公司 | A kind of power surge protector |
-
2022
- 2022-03-31 CN CN202210327900.1A patent/CN114552552B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204858545U (en) * | 2015-06-30 | 2015-12-09 | 施耐德电器工业公司 | A backup protection circuit breaker for surge protector |
| CN109560538A (en) * | 2018-12-29 | 2019-04-02 | 赣电防雷电气有限公司 | A kind of power surge protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114552552B (en) | 2024-03-01 |
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| SE01 | Entry into force of request for substantive examination | ||
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