CN214848389U - Power-off protection device adopting contactor - Google Patents
Power-off protection device adopting contactor Download PDFInfo
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- CN214848389U CN214848389U CN202120926873.0U CN202120926873U CN214848389U CN 214848389 U CN214848389 U CN 214848389U CN 202120926873 U CN202120926873 U CN 202120926873U CN 214848389 U CN214848389 U CN 214848389U
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Abstract
The utility model discloses a belong to power-off protection technical field, specifically be the power-off protection device who adopts the contactor, including power-off protection subassembly, contactor subassembly and power supply module, power-off protection subassembly electric connection contactor subassembly, contactor subassembly electric connection power supply module, the power-off protection subassembly includes casing one, a casing inner wall fixed mounting support, support top fixed connection pole setting, pole setting top swing joint horizontal pole, connecting spring one between horizontal pole left side bottom and the support top, the beneficial effects of the utility model are that: utilize the low voltage power supply to produce magnetic force to spring one and adsorb the horizontal pole, with contact one and the switch-on of contact two to through the two power supplies of coil of power, adsorb the movable iron core once more, make contact three and contact four connections, thereby make live wire and zero line to the socket power supply, supply power with electrical apparatus through the socket, improved the security of circuit.
Description
Technical Field
The utility model relates to a power-off protection technical field, concretely relates to adopt power-off protection device of contactor.
Background
The contactor is divided into alternating current contactor voltage and direct current contactor voltage, and it is applied to electric power, distribution and power consumption, and the contactor refers to in the industry electricity in general and utilizes the coil to flow through the electric current and produce the magnetic field, makes the contact closure to reach the electrical apparatus of control load, need protect the circuit in electrical equipment use, prevent that current voltage is too high or low excessively leads to equipment to damage, add protection device and avoid unexpected extra economic loss or the injured incident of personnel usually.
The prior art has the following defects: the existing contactor power-off protection device is usually only provided with a group of contactors to control a circuit, when the voltage and the current are overloaded or too low, electrical faults are easy to occur, so that the circuit is electrified, and when the equipment faults are not contacted, the secondary damage of electrical equipment can be caused by the electrification.
Therefore, it is necessary to invent a power-off protection device using a contactor.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides an adopt power protection devices of contactor through setting up the power protection subassembly, thereby utilizes the low voltage power supply to produce magnetic force to adsorb the horizontal pole to a spring power supply, with contact one and the switch-on of contact two to through two pairs of coil two power supplies of power, adsorb once more and move the iron core, make contact three and contact four connections, thereby make live wire and zero line to the socket power supply, in order to solve the problem that improves with electrical apparatus power consumption safety.
In order to achieve the above object, the present invention provides the following technical solutions: the power-off protection device adopting the contactor comprises a power-off protection component, a contactor component and a power supply component, wherein the power-off protection component is electrically connected with the contactor component, the contactor component is electrically connected with the power supply component, the power-off protection component comprises a first shell, a support is fixedly installed on the inner wall of the first shell, the top of the support is fixedly connected with a vertical rod, the top of the vertical rod is movably connected with a cross rod, a first spring is connected between the bottom of the left side of the cross rod and the top of the support, a first contact is fixedly installed at the bottom of the right end of the cross rod, the first contact is electrically connected with a spring lead, the spring lead is electrically connected with a first power supply, the power supply is connected with an indicator lamp in series, the indicator lamp is electrically connected with a second contact, the second contact is positioned below the first contact, a circuit on-off control device is arranged at the top of the support, the circuit on-off control device comprises a first coil, and the first coil is sleeved on the support, the first coil is located below the cross rod, and the two ends of the first coil are connected with the second power supply and the switch in series.
Preferably, the contactor module includes casing two, the fixed iron core of installation of two inner walls of casing, it is equipped with the coil former to decide the iron core right side, coil former left end fixed connection coil two, the coil cup joints on deciding the iron core outer wall.
Preferably, the top of the coil rack is provided with two groups of binding posts, and the two groups of binding posts are electrically connected with the two ends of the coil.
Preferably, the two groups of the binding posts are electrically connected with two ends of the indicator light through conducting wires.
Preferably, the right side of the coil rack is provided with a third shell, the third shell is fixedly installed on the inner wall of the second shell, and the third right end of the third shell is fixedly connected with the third contact.
Preferably, a movable iron core is movably mounted on the inner wall of the shell, and a second spring is arranged between the movable iron core and the coil frame.
Preferably, the right end of the movable iron core is provided with a contact four, and the contact four is matched with the contact three for use.
Preferably, the power supply module comprises a live wire and a zero wire, the live wire is electrically connected with the inner side and the contacts, the zero wire is electrically connected with the outer side and the contacts, and the live wire and the zero wire are electrically connected with the socket.
Preferably, the two sets of the contacts are electrically connected to a socket, and the socket comprises three jack positions and two jack positions.
Preferably, the power supply assembly comprises a wire holder, and the wire holder is electrically connected with the two sets of contacts.
The utility model has the advantages that:
1. through the arrangement of the power-off protection component, a low-voltage power supply is utilized to supply power to the spring I to generate magnetic force so as to adsorb the cross rod, the contact I and the contact II are connected, so that power is supplied to the coil II through the power supply pair, the movable iron core is adsorbed again, the contact III is connected with the contact IV, the live wire and the zero line are used for supplying power to the socket, power is supplied to an electric appliance through the socket, and the safety of a circuit is improved;
2. through setting up power-off protection subassembly and contactor module cooperation and using, through the break-make of two sets of safety component control circuit to improve the security of equipment use, played dual safety guarantee's effect.
Drawings
Fig. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a schematic structural view of the power-off protection assembly provided by the present invention;
fig. 3 is a schematic structural view of a contactor assembly provided by the present invention;
fig. 4 is a schematic structural view of a wire holder according to embodiment 2 of the present invention.
In the figure: the power-off protection device comprises a power-off protection component 100, a first shell 110, a support 120, an upright rod 121, a first spring 122, a cross bar 123, a first contact 124, a spring wire 125, a first power supply 130, an indicator light 131, a second contact 132, a circuit on-off control device 140, a first coil 141, a second power supply 142, a switch 143, a contactor component 200, a second shell 210, a fixed iron core 220, a coil frame 230, a second coil 231, a binding post 232, a third shell 240, a third contact 241, a movable iron core 250, a second spring 251, a fourth contact 252, a power supply component 300, a live wire 310, a neutral wire 320, a socket 330 and a wire holder 340.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1:
referring to fig. 1-3, the present invention provides a power-off protection device using a contactor, including a power-off protection assembly 100, a contactor assembly 200 and a power supply assembly 300, wherein the power-off protection assembly 100 is electrically connected to the contactor assembly 200, the contactor assembly 200 is electrically connected to the power supply assembly 300, specifically, the power-off protection assembly 100 includes a first housing 110, a first wall of the first housing 110 is fixedly mounted on a support 120, a top of the support 120 is fixedly connected to a vertical rod 121, a top of the vertical rod 121 is movably connected to a cross rod 123, a first spring 122 is connected between a left bottom of the cross rod 123 and a top of the support 120, a first contact 124 is fixedly mounted at a bottom of a right end of the cross rod 123, the first contact 124 is electrically connected to a first spring wire 125, the first spring wire 125 is electrically connected to a first power source 130, the first power source 130 is connected to an indicator lamp 131 in series, the indicator lamp 131 is electrically connected to a second contact 132, the second contact 132 is positioned below the first contact 124, the top of the bracket 120 is provided with a circuit on-off control device 140, the circuit on-off control device 140 comprises a first coil 141, the first coil 141 is sleeved on the bracket 120, the first coil 141 is positioned below the cross bar 123, and two ends of the first coil 141 are connected with a second power supply 142 and a switch 143 in series;
the power-off protection component 100 and the contactor component 200 have the function of protecting the circuit safely doubly, the power supply component 300 has the function of supplying power to the electrical equipment, the first shell 110 has the function of installing the bracket 120, the bracket 120 has the function of installing the upright rod 121 and the first spring 122, the upright rod 121 has the function of installing the cross rod 123, the first spring 122 has the function of pulling the cross rod 123 to demagnetize the first coil 141 and then separating the first contact 124 from the second contact 132 to break the circuit, the power utilization safety is improved, the first contact 124 and the second contact 132 are matched for use, the circuit is conducted to facilitate the first power supply 130 to supply power to the second coil 231, the second power supply 142 supplies power and has the function of enabling the second coil 231 to generate magnetic force to attract the movable iron core 250 and the fixed iron core 220, so that the third contact 241 is electrically connected with the fourth contact 252, and the second power supply 142 has the function of generating magnetic force to attract the first contact 124 and the second contact 132 when supplying power to the first coil 141, the indicator light 131 has the function of prompting the on-off of the circuit, and the switch 143 has the function of manually controlling the on-off of the circuit;
further, the contactor assembly 200 includes a second housing 210, the fixed iron core 220 is fixedly mounted on the inner wall of the second housing 210, the coil former 230 is disposed on the right side of the fixed iron core 220, the second coil 231 is fixedly connected to the left end of the coil former 230, the second coil 231 is sleeved on the outer wall of the fixed iron core 220, specifically, the second housing 210 has an effect of mounting the fixed iron core 220, the coil former 230 has an effect of mounting the second coil 231, and the second coil 231 has an effect of generating magnetic force to attract the movable iron core 250 and the fixed iron core 220 when being electrified;
further, the top of the coil frame 230 is provided with two sets of terminals 232, the two sets of terminals 232 are electrically connected to two ends of the second coil 231, specifically, the terminals 232 have the function of connecting a wire to transmit the power of the first power supply 130 to the second coil 231;
furthermore, the two groups of the binding posts 232 are electrically connected with two ends of the indicator light 131 through conducting wires;
further, a third housing 240 is arranged on the right side of the coil former 230, the third housing 240 is fixedly mounted on the inner wall of the second housing 210, a third contact 241 is fixedly connected to the right end of the third housing 240, and specifically, the third housing 240 has the function of mounting the third contact 241 and the movable iron core 250;
further, a movable iron core 250 is movably mounted on the inner wall of the third shell 240, a second spring 251 is arranged between the movable iron core 250 and the coil frame 230, and specifically, the second spring 251 has the function of resetting the movable iron core 250;
further, a contact four 252 is arranged at the right end of the movable iron core 250, the contact four 252 is matched with the contact three 241 for use, and particularly, when the contact four 252 is connected with the contact three 241, the function of conveniently connecting the live wire 310 and the zero wire 320 with the socket 330 for power supply is achieved;
further, the power supply module 300 includes a live wire 310 and a neutral wire 320, the live wire 310 is electrically connected to the inner side of the third contact 241, the neutral wire 320 is electrically connected to the outer side of the third contact 241, the live wire 310 and the neutral wire 320 are electrically connected to the socket 330, and specifically, the socket 330 has an effect of conveniently connecting electrical equipment to supply power;
further, the two sets of the contacts four 252 are electrically connected to the socket 330, the socket 330 includes three jack positions and two jack positions, and specifically, the socket 330 includes three jack positions and two jack positions, which has an effect of conveniently improving the applicability of the socket 330;
the utility model discloses a use as follows: when the utility model is used, a person skilled in the art presses the switch 143 to enable the second power supply 142 to supply power to the first coil 141, the first coil 141 generates magnetic force to attract the cross rod 123, so that the first contact 124 is connected with the second contact 132, then the pair of posts 232 is supplied with power through the first power supply 130, at this time, the indicator lamp 131 is turned on, the second coil 231 is electrified to generate magnetic force to attract the movable iron core 250, then the third contact 241 is connected with the fourth contact 252, so that the live wire 310 and the zero wire 320 are distributed to supply power to the socket 330 through the third contact 241 through the wire, when the voltage in the circuit is too high or too low, the electronic devices in the power-off protection assembly 100 and the contactor assembly 200 can cause the circuit to be fused when the voltage is abnormal or the magnetic force of the first coil 141 and the second coil 231 is insufficient to cause the circuit to be disconnected between the first contact 124 and the second contact 132 or between the third contact 241 and the fourth contact 252, thereby cutting off the circuit, after the overhaul is carried out again, after the safety needs to be determined, the switch 143 is manually pressed to switch on the power supply, so that the safety of the equipment in use is improved.
Example 2:
referring to fig. 4, the power-off protection device using a contactor according to the present invention includes a wire holder 340;
further, power supply module 300 includes wire holder 340, wire holder 340 and three 241 electric connection of two sets of contacts, specifically, wire holder 340 has the effect of carrying out circuit connection through the terminal form, has improved the practicality of equipment.
The utility model discloses a use as follows: when the utility model is used, a person skilled in the art presses the switch 143 to enable the second power supply 142 to supply power to the first coil 141, the first coil 141 generates magnetic force to attract the cross rod 123, so that the first contact 124 is connected with the second contact 132, then the first power supply 130 supplies power to the terminal 232, at the moment, the indicator lamp 131 is turned on, the second coil 231 is electrified to generate magnetic force to attract the movable iron core 250, then the third contact 241 is connected with the fourth contact 252, so that the live wire 310 and the zero wire 320 are distributed to supply power to the wire holder 340 through the third contact 241 through the wire, when the voltage in the circuit is too high or too low, the electronic devices in the power-off protection assembly 100 and the contactor assembly 200 can cause the circuit to be fused when the voltage is abnormal or the magnetic force of the first coil 141 and the second coil 231 is insufficient to cause the circuit to be disconnected between the first contact 124 and the second contact 132 or between the third contact 241 and the fourth contact 252, thereby cutting off the circuit, after the overhaul is carried out again, after the safety needs to be determined, the switch 143 is manually pressed to switch on the power supply, so that the safety of the equipment in use is improved.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (10)
1. Adopt power-off protection device of contactor, including power-off protection subassembly (100), contactor subassembly (200) and power supply module (300), power-off protection subassembly (100) electric connection contactor subassembly (200), contactor subassembly (200) electric connection power supply module (300), its characterized in that: the power-off protection component (100) comprises a first shell (110), a support (120) is fixedly mounted on the inner wall of the first shell (110), a vertical rod (121) is fixedly connected to the top of the support (120), the top of the vertical rod (121) is movably connected with a cross rod (123), a first spring (122) is connected between the bottom of the left side of the cross rod (123) and the top of the support (120), a first contact (124) is fixedly mounted at the bottom of the right end of the cross rod (123), the first contact (124) is electrically connected with a spring lead (125), the spring lead (125) is electrically connected with a first power supply (130), the first power supply (130) is connected with an indicator lamp (131) in series, the indicator lamp (131) is electrically connected with a second contact (132), the second contact (132) is located below the first contact (124), a circuit on-off control device (140) is arranged on the top of the support (120), and the circuit on-off control device (140) comprises a first coil (141), the coil I (141) is sleeved on the support (120), the coil I (141) is located below the cross rod (123), and two ends of the coil I (141) are connected with the power supply II (142) and the switch (143) in series.
2. A power-off protection device using a contactor according to claim 1, wherein: contactor subassembly (200) includes casing two (210), iron core (220) are decided to casing two (210) inner wall fixed mounting, it is equipped with coil former (230) to decide iron core (220) right side, coil former (230) left end fixed connection coil two (231), coil two (231) cup joint on deciding iron core (220) outer wall.
3. A power-off protection device using a contactor according to claim 2, wherein: the coil former (230) top is equipped with terminal (232), terminal (232) are equipped with two sets ofly, two sets ofly terminal (232) and coil two (231) both ends electric connection.
4. A power-off protection device using a contactor according to claim 3, wherein: the two groups of the binding posts (232) are electrically connected with the two ends of the indicator light (131) through conducting wires.
5. A power-off protection device using a contactor according to claim 2, wherein: and a third shell (240) is arranged on the right side of the coil rack (230), the third shell (240) is fixedly installed on the inner wall of the second shell (210), and the right end of the third shell (240) is fixedly connected with a third contact (241).
6. A power-off protection device using a contactor according to claim 5, wherein: a movable iron core (250) is movably mounted on the inner wall of the shell III (240), and a spring II (251) is arranged between the movable iron core (250) and the coil rack (230).
7. A power-off protection device using a contactor according to claim 6, wherein: the right end of the movable iron core (250) is provided with a contact four (252), and the contact four (252) is matched with the contact three (241) for use.
8. A power-off protection device using a contactor according to claim 5, wherein: the power supply assembly (300) comprises a live wire (310) and a neutral wire (320), the live wire (310) is electrically connected with the inner side of the contact III (241), the neutral wire (320) is electrically connected with the outer side of the contact III (241), and the live wire (310) and the neutral wire (320) are electrically connected with the socket (330).
9. A power-off protection device using a contactor according to claim 7, wherein: the two groups of the contacts four (252) are electrically connected with a socket (330), and the socket (330) comprises three jack positions and two jack positions.
10. A power-off protection device using a contactor according to claim 1, wherein: the power supply assembly (300) comprises a wire holder (340), and the wire holder (340) is electrically connected with the two sets of contacts III (241).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120926873.0U CN214848389U (en) | 2021-04-30 | 2021-04-30 | Power-off protection device adopting contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120926873.0U CN214848389U (en) | 2021-04-30 | 2021-04-30 | Power-off protection device adopting contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214848389U true CN214848389U (en) | 2021-11-23 |
Family
ID=78772011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120926873.0U Active CN214848389U (en) | 2021-04-30 | 2021-04-30 | Power-off protection device adopting contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214848389U (en) |
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2021
- 2021-04-30 CN CN202120926873.0U patent/CN214848389U/en active Active
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