CN112863148A - Overload protection and reminding device for electrical equipment - Google Patents
Overload protection and reminding device for electrical equipment Download PDFInfo
- Publication number
- CN112863148A CN112863148A CN202110014511.9A CN202110014511A CN112863148A CN 112863148 A CN112863148 A CN 112863148A CN 202110014511 A CN202110014511 A CN 202110014511A CN 112863148 A CN112863148 A CN 112863148A
- Authority
- CN
- China
- Prior art keywords
- shell
- fixedly connected
- overload protection
- air bag
- connector
- 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.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
- H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Telephone Function (AREA)
Abstract
The invention relates to the technical field of electromechanical equipment and discloses an overload protection and reminding device for electrical equipment. This electrical equipment overload protection and reminding device, drive the movable rod operation through two gasbags, the rethread first electro-magnet is used with the cooperation of keeping apart the piston, when the inside high temperature of electrical apparatus, utilize expend with heat and contract with cold principle, thereby drive two expansions of gasbag, make the movable rod remove to the outside, make the circuit circular telegram, thereby reached first electro-magnet mutual adsorption to making the effect of keeping apart the piston and removing to the inboard, the purpose of connector outage has effectively been realized, alarm circular telegram sends the police dispatch newspaper sound simultaneously, effectively realize electrical apparatus overload protection's effect, thereby realize intelligent control's effect.
Description
Technical Field
The invention relates to the technical field of electromechanical equipment, in particular to an overload protection and reminding device for electrical equipment.
Background
The electromechanical equipment relates to industrial equipment, electric automation, hydraulic or pneumatic, ship auxiliary equipment, ship electrical equipment and the like, along with the technological progress, various electrical appliances have been widely introduced into the daily production, work and life of human beings, convenience is provided for the human beings, and the problem that the electrical appliances and other equipment are easily damaged due to the overload condition often occurs when the electrical appliances are used.
However, while enjoying the electric appliance, the safety of electricity utilization is always a concern, and the electric appliance is easy to age after long-time operation, resulting in short circuit of the circuit, causing the electric appliance to generate heat and causing fire, and when using an overloaded electric appliance, the electric appliance and the circuit are easy to generate heat and scald, thereby causing the situation that the electric appliance is too hot and easily causes fire, and affecting the personal safety of people.
Therefore, we propose an overload protection and reminding device for electrical equipment to solve the above problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an overload protection and reminding device for electrical equipment, which has the advantages of electrical equipment overload protection, automatic power off realization and convenience in reminding, and solves the problem that the existing circuit is easy to generate overload and heat when an electrical appliance is used.
(II) technical scheme
In order to realize the overload protection of the electric appliance, realize the automatic power-off and the convenient reminding, the invention provides the following technical scheme: an overload protection and reminding device for electrical equipment comprises a shell, wherein the top and the bottom of two sides of the shell are both movably connected with connectors, the outer side of the shell is fixedly connected with four uniformly distributed alarms, the top and the bottom of the shell, which are close to the connectors, are both fixedly connected with a first air bag, the inner side of the shell is movably connected with an isolation piston fixedly connected with the inner side of the first air bag, the outer side of the connectors is fixedly connected with a first spring fixedly connected with the inner wall of the shell, the outer side of the isolation piston, which is close to the connectors, is fixedly connected with a first electromagnet, the inner side of the shell, which is close to the connectors, is provided with a movable groove, the inner side of the movable groove is fixedly connected with a second air bag, the two sides of the second air bag are both movably connected with movable rods, the two sides of the inner side of the shell, which are both, the outer side of the movable rod and the outer side of the movable rod close to the coil are movably connected with a sliding contact, the two sides of the inside of the shell and the top of the coil are fixedly connected with a piezoresistor, the two sides of the inside of the shell and the outer side of the airbag II are fixedly connected with a second electromagnet, the two sides of the inside of the shell and the outer side of the airbag II are movably connected with a limiting part, and the outer side of the limiting part is fixedly connected with a magnetic block.
Preferably, the first air bag is filled with gas and the gas is air, the first air bag is oval in shape, the size of the first air bag is smaller than that of the shell, the air bags are used for transmission, the isolation piston is made of hard rubber materials, the size of the isolation piston is smaller than that of the connector, and the isolation piston plays a role in disconnecting the connector.
Preferably, the first spring is a compression spring, the diameter of the first spring is smaller than the width of the connector, the first spring plays a role in moving the connector to the inner side, the number of the first electromagnets is four, the first electromagnets are symmetrical with each other in a pairwise manner by using the horizontal center line of the connector, the inner sides of the first electromagnets in two-phase symmetry are opposite in magnetism, and the first electromagnets play a role in magnetic transmission.
Preferably, the size of the movable groove is smaller than that of the shell, the movable groove is rectangular, the movable groove plays a role in facilitating the movement of the second air bag, the second air bag is filled with gas, the gas is air, and the second air bag plays a role in transmission.
Preferably, the movable rod is made of hard high-strength materials, the size of the movable rod is smaller than that of the shell, grooves are formed in the top and the bottom of the movable rod, the movable rod plays a role in transmission and fixing of all parts, the coil is a slide rheostat and is rectangular, and the coil plays a role in increasing the resistance value of the circuit.
Preferably, the second spring is an extension spring, the diameter of the second spring is smaller than the width of the movable rod, the second spring plays a role in contracting the movable rod towards the inner side, the sliding contact is made of a hard high-strength material, the shape of the sliding contact is oval, and the sliding contact plays a role in changing circuit voltage.
Preferably, the maximum path voltage of the piezoresistor is smaller than the maximum circuit voltage passing through the coil, the piezoresistor is electrically connected with the first electromagnet and the alarm, the piezoresistor plays a role in connecting and disconnecting the circuit, the magnetism generated on the inner side of the second electromagnet is opposite to the magnetism on the outer side of the magnetic block, the size of the second electromagnet is smaller than that of the shell, and the second electromagnet plays a role in magnetic transmission.
Preferably, the outer side of the limiting part is fixedly connected with the compression spring, the material of the limiting part is hard high-strength material, the bottom of the limiting part is clamped with the groove formed in the outer side of the second air bag, the size of the limiting part is smaller than that of the second air bag, and the limiting part plays a role in transmission and fixing of each component.
(III) advantageous effects
Compared with the prior art, the invention provides an overload protection and reminding device for electrical equipment, which has the following beneficial effects:
1. this electrical equipment overload protection and reminding device, drive the movable rod operation through two gasbags, the rethread first electro-magnet is used with the cooperation of keeping apart the piston, when the inside high temperature of electrical apparatus, utilize expend with heat and contract with cold principle, thereby drive two expansions of gasbag, make the movable rod remove to the outside, make the circuit circular telegram, thereby reached first electro-magnet mutual adsorption to making the effect of keeping apart the piston and removing to the inboard, the purpose of connector outage has effectively been realized, alarm circular telegram sends the police dispatch newspaper sound simultaneously, effectively realize electrical apparatus overload protection's effect, thereby realize intelligent control's effect.
2. This electrical equipment overload protection and reminding device, drive the magnetic path operation through the second electro-magnet, spring two drives the movable rod operation, rethread spring one is used with the cooperation of connector, get rid of when the electrical apparatus transshipping and the inside temperature of casing falls down the back completely, make the second electro-magnet circular telegram, thereby the effect that the second electro-magnet adsorbs the magnetic path and removes has been reached, under the effect of spring two, the purpose of circuit outage has effectively been realized, the magnetism is cut off to first electro-magnet, make the isolation piston shrink to the outside under the effect of gasbag negative pressure, thereby reached and broken away from the effect of separating the connector, the purpose of connector switch-on has effectively been realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
FIG. 4 is a schematic view of a disconnected structure of the connector of the present invention;
FIG. 5 is an enlarged view of a portion C of FIG. 4 according to the present invention.
In the figure: 1. a housing; 2. a connector; 3. an alarm; 4. a first air bag; 5. an isolation piston; 6. a first spring; 7. a first electromagnet; 8. a movable groove; 9. a second air bag; 10. a movable rod; 11. a coil; 12. a second spring; 13. a sliding contact; 14. a voltage dependent resistor; 15. a second electromagnet; 16. a limiting member; 17. a magnetic block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an overload protection and reminding device for electrical equipment comprises a housing 1, wherein the top and the bottom of the two sides of the housing 1 are both movably connected with a connector 2, the outer side of the housing 1 is fixedly connected with four alarms 3 which are uniformly distributed, the top and the bottom of the housing 1, which are close to the connector 2, are both fixedly connected with an air bag I4, the air bag I4 is filled with air, the air bag I4 is air, the shape of the air bag I4 is oval, the size of the air bag I4 is smaller than that of the housing 1, the air bag I4 plays a role of transmission, the interior of the housing 1 is movably connected with an isolation piston 5 which is fixedly connected with the inner side of the air bag I4, the isolation piston 5 is made of hard rubber material, the size of the isolation piston 5 is smaller than that of the connector 2, the isolation piston 5 plays a role of disconnecting the connector 2, the outer side of the connector 2, the first spring 6 is a compression spring, the diameter of the first spring 6 is smaller than the width of the connector 2, the first spring 6 plays a role in moving the connector 2 to the inner side, the first electromagnets 7 are fixedly connected to the inner side of the isolation piston 5 and the outer side of the isolation piston close to the connector 2, the first electromagnets 7 are four in number, the first electromagnets 7 are symmetrical in pairs with the horizontal center line of the connector 2, the inner sides of the first electromagnets 7 which are symmetrical in two phases are opposite in magnetism, and the first electromagnets 7 play a role in magnetic transmission.
A movable groove 8 is formed in the shell 1 and close to the inner side of the connector 2, the size of the movable groove 8 is smaller than that of the shell 1, the shape of the movable groove 8 is rectangular, the movable groove 8 plays a role in facilitating the movement of the second airbag 9, the second airbag 9 is fixedly connected in the movable groove 8, the second airbag 9 is filled with gas, the gas is air, the second airbag 9 plays a role in transmission, movable rods 10 are movably connected to two sides of the second airbag 9, the movable rods 10 are made of hard high-strength materials, the size of the movable rods 10 is smaller than that of the shell 1, grooves are formed in the top and the bottom of the movable rods 10, the movable rods 10 play a role in transmission and fixing parts, coils 11 are fixedly connected to two sides in the shell 1 and close to the outer sides of the movable rods 10, the coils 11 are sliding rheostats, the shape of the coils 11 is rectangular, and the coils 11 play a role in increasing circuit resistance, the inner side of the movable rod 10 is fixedly connected with a second spring 12 fixedly connected with the inner wall of the shell 1, the second spring 12 is an extension spring, the diameter of the second spring 12 is smaller than the width of the movable rod 10, the second spring 12 plays a role in contracting the movable rod 10 towards the inner side, the outer side of the movable rod 10 close to the coil 11 is movably connected with a sliding contact 13, the sliding contact 13 is made of a hard high-strength material, the shape of the sliding contact 13 is oval, and the sliding contact 13 plays a role in changing circuit voltage.
Both sides inside the shell 1 and the top close to the coil 11 are fixedly connected with piezoresistors 14, the maximum access voltage of the piezoresistors 14 is smaller than the maximum circuit voltage passing through the coil 11, the piezoresistors 14 are electrically connected with the first electromagnet 7 and the alarm 3, the piezoresistors 14 play a role in connecting and disconnecting the circuit, both sides inside the shell 1 and the outer side close to the air bag II 9 are fixedly connected with second electromagnets 15, the magnetism generated inside the second electromagnets 15 is opposite to the magnetism outside the magnetic block 17, the size of the second electromagnets 15 is smaller than that of the shell 1, the second electromagnets 15 play a role in magnetic transmission, both sides inside the shell 1 and the outer side close to the air bag II 9 are movably connected with limiting pieces 16, the outer side of the limiting pieces 16 is fixedly connected with a compression spring, the material of the limiting pieces 16 is a hard high-strength material, the bottom of the limiting pieces 16 is clamped with grooves formed in the outer side of the air bag II 9, and the size of the limiting pieces 16 is smaller, the limiting piece 16 plays a role in transmission and fixing of each component, and the magnetic block 17 is fixedly connected to the outer side of the limiting piece 16.
The working principle is as follows: when the temperature in the electric equipment is overhigh, the principle of expansion with heat and contraction with cold is utilized, so that the air bag II 9 is slowly expanded, the air bag II 9 drives the movable rod 10 to move outwards during the expansion, when the temperature in the shell 1 is overhigh, the air bag II 9 is expanded to the maximum, the distance of the movable rod 10 driving the sliding contact 13 to move outwards is the maximum, the circuit voltage of the coil 11 is larger than the passage voltage of the piezoresistor 14, the circuit is electrified, the alarm 3 is electrified to give an alarm sound, the first electromagnet 7 is electrified and magnetized, and the effect that the first electromagnet 7 drives the isolating piston 5 to move inwards is achieved by utilizing the principle that opposite magnetism attracts, so that the aim of separating the connector 2 from the power off is effectively achieved, the overload protection function of the electric appliance is effectively realized, so that workers are reminded in time;
under the action of the matching of the limiting piece 16 and the second air bag 9, the movable rod 10 can not be returned in time, thereby providing time guarantee for eliminating overload for working personnel, when the overload of the electric appliance is removed and the internal temperature of the shell 1 is completely reduced, the second electromagnet 15 is electrified and magnetized, because the magnetism generated at the inner side of the second electromagnet 15 is opposite to the magnetism at the outer side of the magnetic block 17, thereby achieving the effect that the second electromagnet 15 adsorbs the magnetic block 17 to move, effectively realizing the function of spacing the second air bag 9, the resistance value of the coil 11 is increased under the action of the second spring 12, the purpose of powering off the circuit is effectively realized, the first electromagnet 7 is powered off and magnetized, the isolating piston 5 is contracted outwards to return to the initial position under the action of the negative pressure of the first air bag 4, so that the effect of separating the connecting head 2 is achieved, and meanwhile, the purpose of connecting the connecting head 2 is effectively achieved under the action of the first spring 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an electrical equipment overload protection and reminding device, includes casing (1), its characterized in that: the top and the bottom of the two sides of the shell (1) are both movably connected with a connector (2), the outer side of the shell (1) is fixedly connected with four uniformly distributed alarms (3), the top and the bottom of the interior of the shell (1) close to the connector (2) are both fixedly connected with a first airbag (4), the interior of the shell (1) is movably connected with an isolation piston (5) fixedly connected with the inner side of the first airbag (4), the outer side of the connector (2) is fixedly connected with a first spring (6) fixedly connected with the inner wall of the shell (1), the interior of the isolation piston (5) and the outer side close to the connector (2) are fixedly connected with a first electromagnet (7), the interior of the shell (1) close to the inner side of the connector (2) is provided with a movable groove (8), the interior of the movable groove (8) is fixedly connected with a second airbag (9), the two sides of the second airbag (9) are, the two-stage air bag type air bag control device comprises a shell (1), wherein two sides inside the shell (1) are close to outer sides of movable rods (10) and are fixedly connected with coils (11), inner side fixedly connected with springs (12) fixedly connected with inner walls of the shell (1) are arranged on the inner sides of the movable rods (10), outer sides of the movable rods (10) are close to outer sides of the coils (11) and are movably connected with sliding contacts (13), piezoresistors (14) are fixedly connected with tops of the two sides inside the shell (1) and are close to the coils (11), outer sides of the two sides inside the shell (1) and are close to air bag two (9) are fixedly connected with second electromagnets (15), two sides inside the shell (1) are fixedly connected with limiting parts (16) and are fixedly connected with magnetic blocks (17) on outer sides of the limiting.
2. The overload protection and reminding device for electric equipment according to claim 1, wherein: the inside of the first air bag (4) is filled with gas, the gas is air, the first air bag (4) is elliptical, the size of the first air bag (4) is smaller than that of the shell (1), the isolation piston (5) is made of hard rubber materials, and the size of the isolation piston (5) is smaller than that of the connector (2).
3. The overload protection and reminding device for electric equipment according to claim 1, wherein: the first spring (6) is a compression spring, the diameter of the first spring (6) is smaller than the width of the connector (2), the number of the first electromagnets (7) is four, the first electromagnets (7) are symmetrical in pairs with the horizontal center line of the connector (2), and the inner sides of the first electromagnets (7) which are symmetrical in two phases are opposite in magnetism.
4. The overload protection and reminding device for electric equipment according to claim 1, wherein: the size of the movable groove (8) is smaller than that of the shell (1), the movable groove (8) is rectangular, and the air is filled in the second air bag (9) and is air.
5. The overload protection and reminding device for electric equipment according to claim 1, wherein: the movable rod (10) is made of hard high-strength materials, the size of the movable rod (10) is smaller than that of the shell (1), grooves are formed in the top and the bottom of the movable rod (10), the coil (11) is a slide rheostat, and the coil (11) is rectangular.
6. The overload protection and reminding device for electric equipment according to claim 1, wherein: the second spring (12) is an extension spring, the diameter of the second spring (12) is smaller than the width of the movable rod (10), the sliding contact (13) is made of hard high-strength materials, and the shape of the sliding contact (13) is oval.
7. The overload protection and reminding device for electric equipment according to claim 1, wherein: the maximum access voltage of the piezoresistor (14) is smaller than the maximum circuit voltage of the coil (11), the piezoresistor (14) is electrically connected with the first electromagnet (7) and the alarm (3), the magnetism generated on the inner side of the second electromagnet (15) is opposite to the magnetism on the outer side of the magnetic block (17), and the size of the second electromagnet (15) is smaller than that of the shell (1).
8. The overload protection and reminding device for electric equipment according to claim 1, wherein: the outer side of the limiting piece (16) is fixedly connected with the compression spring, the material of the limiting piece (16) is hard high-strength material, the bottom of the limiting piece (16) is clamped with a groove formed in the outer side of the second air bag (9), and the size of the limiting piece (16) is smaller than that of the second air bag (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014511.9A CN112863148A (en) | 2021-01-06 | 2021-01-06 | Overload protection and reminding device for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014511.9A CN112863148A (en) | 2021-01-06 | 2021-01-06 | Overload protection and reminding device for electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112863148A true CN112863148A (en) | 2021-05-28 |
Family
ID=76004400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110014511.9A Withdrawn CN112863148A (en) | 2021-01-06 | 2021-01-06 | Overload protection and reminding device for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112863148A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114567146A (en) * | 2022-02-23 | 2022-05-31 | 田小伟 | Frequency converter for integrated variable frequency motor with alarming and automatic heat dissipation mechanism |
-
2021
- 2021-01-06 CN CN202110014511.9A patent/CN112863148A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114567146A (en) * | 2022-02-23 | 2022-05-31 | 田小伟 | Frequency converter for integrated variable frequency motor with alarming and automatic heat dissipation mechanism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112863148A (en) | Overload protection and reminding device for electrical equipment | |
| CN112428852A (en) | Fill electric pile with automatic high temperature overload protection | |
| CN112736568A (en) | Anti-drop plug for exhaust purification processing apparatus | |
| CN102484022A (en) | Direct current circuit breaker | |
| CN202443906U (en) | Quick permanent-magnetic double-power selector switch used in low-voltage distribution environment | |
| CN106601553A (en) | DC contactor | |
| CN205069539U (en) | Communication circuit breaker of good reliability | |
| CN205069499U (en) | Vaccum relay | |
| CN201608120U (en) | Energy-saving high-current electromagnetic relay | |
| CN202585232U (en) | Permanent magnet alternating current vacuum contactor | |
| CN102867689A (en) | Miniature bridge type sealed DC electromagnetic relay with double air gap structures | |
| CN206349309U (en) | Magnetic keeps energy-saving high-voltage direct-current contactor | |
| CN104733232A (en) | Intelligent alternating current contactor with electromagnetic controllable reaction based on double coil structure | |
| CN204029548U (en) | A kind of oil immersion type mutual-inductor with expander temperature control servomechanism | |
| CN205016452U (en) | Single -stage vacuum contactor and multistage vacuum contactor thereof | |
| CN106486325B (en) | A kind of Self-recover overvoltage-undervoltage protects structure | |
| CN112234384A (en) | Block chain server equipment of anticreep head | |
| CN207781504U (en) | A kind of freeze mode relay | |
| CN113035640A (en) | Efficient security protection equipment is with preventing overheat device | |
| CN203871276U (en) | Magnetic latching relay | |
| CN201927550U (en) | Reversing contactor | |
| CN203536314U (en) | Magnetic latching relay capable of effectively preventing arc discharge | |
| CN203799984U (en) | Circuit breaker and operating mechanism thereof | |
| CN204834386U (en) | Electromagnetic type electrical switching | |
| CN209641595U (en) | A kind of push rod component and its nonpolarity contactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210528 |