CN212258408U

CN212258408U - Surge protector

Info

Publication number: CN212258408U
Application number: CN202021118129.XU
Authority: CN
Inventors: 黄旭雄; 罗文成; 李国军
Original assignee: Wenzhou Sanshi Electric Co ltd
Current assignee: Sanshi Electric Appliance Co.,Ltd.
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-12-29
Anticipated expiration: 2030-06-16

Abstract

The application discloses a surge protector, which relates to the field of surge protection equipment and comprises a body and a base arranged below the body, wherein a circuit board and a network interface are arranged on the base, and the network interface is connected with the circuit board; the circuit board comprises: the switch comprises a plurality of switch pieces, each switch piece comprises an input end and two output ends, the input ends of the switch pieces are connected with a power supply, and the two output ends of the switch pieces are respectively an NO contact end and an NC contact end; the input ends of the processing module are respectively connected with the output ends of the plurality of switch pieces in a one-to-one correspondence manner, and the output ends of the processing module output processing signals; and the input end of the communication module is connected with the processing module and receives the processing signal, and the output end of the communication module is connected with the network interface and outputs the communication signal. The application has a communication function and is convenient to receive respective state changes of a plurality of switching elements, and the effect of remotely distinguishing which switching element corresponds to the extremely damaged switching element is achieved in an auxiliary mode.

Description

Surge protector

Technical Field

The application relates to the field of surge protection equipment, in particular to a surge protector.

Background

The surge protector is used for automatically opening and closing to protect the components when voltage or current in a line where the components are located suddenly changes.

Generally, a surge protector comprises protection modules for connecting a multi-pole power supply line, each protection module can protect one power supply line, the multi-pole power supply line also becomes a plurality of P, and a base of the surge protector is also provided with detection circuits corresponding to the plurality of P one by one. As shown in fig. 1, a detection device of a surge protector commonly available on the market has a first pole (1P), a second pole (2P), and a third pole (3P), and the detection device includes a switch K1, a switch K2, a switch K3, and a three-pin port; the switch K1, the switch K2 and the switch K3 respectively comprise an NO contact end and an NC contact end, the three-pin port comprises an NO output end and an NC output end, the NO output end is connected with the three NO contact ends, and the NC output end is connected with the three NC contact ends. When surge occurs in a circuit corresponding to any one of the first pole (1P), the second pole (2P) or the third pole (3P), the pole is damaged, the corresponding switch works and is connected with the NC contact terminal, and the NC output terminal outputs a signal that the first pole (1P), the second pole (2P) or the third pole (3P) is disconnected.

However, when any one of the first pole (1P), the second pole (2P) or the third pole (3P) is damaged, the signals output through the three-pin port are the same signal, and different classification of the signals cannot be performed, and the later stage cannot assist in judging that the first pole (1P), the second pole (2P) or the third pole (3P) is damaged, and the improvement is still needed.

SUMMERY OF THE UTILITY MODEL

In order to conveniently and remotely judge which pole is damaged, the surge protector has a communication function, conveniently receives respective state changes of a plurality of switching elements, and assists in remotely distinguishing the pole damage corresponding to which switching element.

The application provides a surge protector adopts following technical scheme:

a surge protector comprises a body and a base arranged below the body, wherein a circuit board and a network interface are arranged on the base, and the network interface is connected with the circuit board; the circuit board comprises:

the switch comprises a plurality of switch pieces, each switch piece comprises an input end and two output ends, the input ends of the switch pieces are connected with a power supply, and the two output ends of the switch pieces are respectively an NO contact end and an NC contact end;

the processing module comprises a plurality of input ends and a plurality of output ends, the plurality of input ends of the processing module are respectively connected with the output ends of the plurality of switch pieces in a one-to-one correspondence manner, and the plurality of output ends of the processing module output processing signals;

the communication module comprises an input end and an output end, the input end of the communication module is connected with the processing module and receives and processes signals, and the output end of the communication module is connected with the network interface and outputs communication signals.

Through adopting above-mentioned technical scheme, the setting of communication interface supports the output of multiple signal and communication signal's output, and processing module's input sets up with the output one-to-one of switching piece, can carry out the record to the state of the output of switching piece, and processing module exports to communication module through the output at last, and communication function can also be realized to the last output signal of communication module. The application can conveniently receive respective state changes of a plurality of switch pieces, and the corresponding pole damage of which switch piece is remotely distinguished in an auxiliary mode.

Preferably, the processing module is a single chip microcomputer with the model number of AT89C 2051.

Through adopting above-mentioned technical scheme, convenient purchase and convenient to use.

Preferably, a protective resistor is connected in series between the output end of the switch piece and the input end of the single chip microcomputer.

By adopting the technical scheme, the functions of reducing current and protecting the single chip microcomputer are achieved.

Preferably, the communication module is a communication chip with a model of MAX 485.

Preferably, the base is fixedly connected with a limiting column, and the circuit board is provided with a limiting hole for the limiting column to pass through.

Through adopting above-mentioned technical scheme, the circuit board is installed on the base after, and spacing post passes spacing hole, has the effect of strengthening the stability between circuit board and the base.

Preferably, the upper end of the limiting column is an arc-shaped end.

Through adopting above-mentioned technical scheme, be convenient for spacing post insert spacing hole.

Preferably, a first baffle and a second baffle are integrally connected to the base, the left side and the right side of the network interface are respectively in contact with the first baffle and the second baffle, a first limiting convex rod is integrally connected to the first baffle, a second limiting convex rod is integrally connected to the second baffle, and one end, away from the interface, of the network interface is in contact with the first limiting convex rod and the second limiting convex rod.

By adopting the technical scheme, the network interface is limited by the first baffle and the second baffle on the base, so that the left and right movement of the network interface is limited, meanwhile, one end of the network interface, which is far away from the interface, is limited by the first limit convex rod and the second limit convex rod, so that the network interface is limited to move backwards, and the structures play a role in stabilizing the network interface.

Preferably, the upper ends of the first limit convex rod and the second limit convex rod are arranged in an arc shape, and the side of the upper ends of the first limit convex rod and the side of the upper ends of the second limit convex rod, which are close to each other, are arranged in an arc shape.

Through adopting above-mentioned technical scheme, in the installation, earlier be connected network interface and circuit board, then install circuit board and network interface together on the base, network interface and circuit board move down from the upper end on the base, if the upper end butt of network interface or circuit board and first spacing nose bar and the spacing nose bar of second, because the upper end of first spacing nose bar and the spacing nose bar of second and the one side that is close to each other set up for the arc, first spacing nose bar and the difficult damage that produces of second spacing nose bar are to the network interface, play the effect of protection network interface and circuit board.

To sum up, processing module in this application including a plurality of inputs and with a plurality of switch spare the output one-to-one be connected, can receive the output change state of a plurality of switch spare, export to communication module after the rethread is handled, finally from network interface output signal, make things convenient for external part to discern received communication signal and judge which extremely has appeared the damage.

Drawings

Fig. 1 is a partial circuit diagram of a detecting device of a surge protector in the related art;

FIG. 2 is a schematic structural diagram of an embodiment of the present application;

FIG. 3 is a schematic diagram of a partial structure at a base and a circuit board of an embodiment of the present application;

fig. 4 is a partial circuit of a detection device of the surge protector of the embodiment of the present application;

fig. 5 is an exploded view of a partial structure of a base and a circuit board according to an embodiment of the present application.

Reference numerals: 1. a body; 2. a base; 3. a first pole; 4. a second pole; 5. a third pole; 6. a circuit board; 7. a network interface; 8. a switch member; 9. a processing module; 10. a communication module; 11. a limiting column; 12. a limiting hole; 13. a first baffle plate; 14. a second baffle; 15. a first limit convex rod; 16. and a second limit convex rod.

Detailed Description

The embodiment of the application discloses a surge protector, refer to fig. 2, including body 1 and the base 2 of setting under body 1. The surge protector is provided with a first pole 3, a second pole 4, and a third pole 5, and the first pole 3, the second pole 4, and the third pole 5 correspond to 1P, 2P, and 3P, respectively.

Referring to fig. 3 and 4, the base 2 is provided with a circuit board 6 and a network interface 7, the network interface 7 is fixed to the circuit board 6 by welding, and the circuit board 6 includes three switch elements 8, a processing module 9 and a communication module 10. Each switch element 8 comprises an input terminal and two output terminals, the input terminal of the switch element 8 is connected to a power supply, and the two output terminals of the switch element 8 are respectively an NO contact terminal and an NC contact terminal. The processing module 9 comprises a plurality of input ends and a plurality of output ends, the input ends of the processing module 9 are respectively connected with the output ends of the three switch pieces 8 in a one-to-one correspondence manner, and the output ends of the processing module 9 output processing signals. The communication module 10 comprises an input end and an output end, the input end of the communication module 10 is connected with the processing module 9 and receives the processing signal, and the output end of the communication module 10 is connected with the network interface 7 and outputs the communication signal. Communication interface's setting supports the output of multiple signal and communication signal's output, and processing module 9's input and the output one-to-one setting of switching element 8 can receive and the record the change state of the output of switching element 8, and processing module 9 exports communication module 10 through the output at last, and communication module 10 exports communication signal at last, can also realize the communication function. This application can conveniently receive the respective state change of three switch 8, and the supplementary utmost point (P) that realizes long-range resolution which switch 8 corresponds damages.

Referring to fig. 4, the processing module 9 is a single chip microcomputer with the model of AT89C2051, and is convenient to purchase and use. A protection resistor is connected in series between the output end of the switch 8 and the input end of the single chip microcomputer, for example, the first resistor R1, the first resistor R2, the first resistor R3, the first resistor R4, the first resistor R5, the first resistor R6, the first resistor R7 and the first resistor R8 in fig. 4 play a role in reducing current and protecting the single chip microcomputer. The communication module 10 selects a communication chip with the model of MAX485, and is convenient to purchase and use.

Referring to fig. 3 and 5, the base 2 is fixedly connected with a limiting post 11, the circuit board 6 is provided with a limiting hole 12 for the limiting post 11 to pass through, and after the circuit board 6 is installed on the base 2, the limiting post 11 passes through the limiting hole 12, so that the stability between the circuit board 6 and the base 2 is enhanced. The upper end of the limiting column 11 is an arc-shaped end, so that the limiting column 11 can be conveniently inserted into the limiting hole 12.

Referring to fig. 3 and 5, a first baffle 13 and a second baffle 14 are integrally connected to the base 2, the left side and the right side of the network interface 7 are respectively in contact with the first baffle 13 and the second baffle 14, a first limit protruding rod 15 is integrally connected to the first baffle 13, a second limit protruding rod 16 is integrally connected to the second baffle, and one end, away from the interface, of the network interface 7 is in contact with the first limit protruding rod 15 and the second limit protruding rod 16. The network interface 7 is limited by the first baffle 13 and the second baffle 14 on the base 2, so that the left and right movement of the network interface 7 is limited, meanwhile, one end of the network interface 7, which is far away from the interface, is limited by the first limiting convex rod 15 and the second limiting convex rod 16, so that the backward movement of the network interface 7 is limited, and the structures play a role in stabilizing the network interface 7. It should be mentioned that the upper ends of the first limit protruding rod 15 and the second limit protruding rod 16 are arranged in an arc shape at the side close to each other. In the installation, earlier be connected network interface 7 with circuit board 6, then install circuit board 6 and network interface 7 together on base 2, network interface 7 and circuit board 6 move down from the upper end on base 2, if network interface 7 or circuit board 6 and the upper end butt of first spacing protruding pole 15 and the spacing protruding pole 16 of second, because the upper end of first spacing protruding pole 15 and the spacing protruding pole 16 of second and the one side that is close to each other are the arc setting, first spacing protruding pole 15 and the difficult damage that produces of the network interface 7 of second spacing protruding pole 16 play the effect of protection network interface 7 and circuit board 6.

The main effects are as follows:

AT89C 2051's singlechip has a plurality of pins, in this application, as long as there are six pins to be connected with three switch 8's output one-to-one respectively, alright received switch 8's output state changes, AT89C 2051's singlechip adopts two pins as the output again and is connected with MAX 485's communication chip's input, MAX 485's communication chip's output is connected with network interface 7 again, thereby realize additional communication function on surge protector, and this communication function can make things convenient for external part to discern and judge that it is that which has appeared extremely to damage received communication signal.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a surge protector, includes body (1) and base (2) that set up body (1) lower extreme, its characterized in that: the base (2) is provided with a circuit board (6) and a network interface (7), and the network interface (7) is connected with the circuit board (6); the circuit board (6) comprises:

the switch pieces (8) are provided with a plurality of switch pieces, each switch piece (8) comprises an input end and two output ends, the input ends of the switch pieces (8) are connected with a power supply, and the two output ends of each switch piece (8) are respectively an NO contact end and an NC contact end;

the processing module (9) comprises a plurality of input ends and a plurality of output ends, the plurality of input ends of the processing module (9) are respectively connected with the output ends of the plurality of switch pieces (8) in a one-to-one correspondence manner, and the plurality of output ends of the processing module (9) output processing signals;

the communication module (10) comprises an input end and an output end, the input end of the communication module (10) is connected with the processing module (9) and receives and processes signals, and the output end of the communication module (10) is connected with the network interface (7) and outputs communication signals.

2. A surge protector according to claim 1, wherein: the processing module (9) adopts a singlechip with the model of AT89C 2051.

3. A surge protector according to claim 2, wherein: and a protective resistor is connected in series between the output end of the switch piece (8) and the input end of the singlechip.

4. A surge protector according to claim 1, wherein: the communication module (10) selects a communication chip with the model of MAX 485.

5. A surge protector according to claim 1, wherein: the base (2) is fixedly connected with a limiting column (11), and the circuit board (6) is provided with a limiting hole (12) for the limiting column (11) to penetrate through.

6. A surge protector according to claim 5, wherein: the upper end of the limiting column (11) is an arc-shaped end.

7. A surge protector according to claim 1, wherein: the utility model discloses a network interface, including base (2), integrative first baffle (13) and second baffle (14) of being connected with on base (2), the left and right sides of network interface (7) respectively with first baffle (13) and second baffle (14) contact, an organic whole is connected with first spacing nose bar (15) on first baffle (13), an organic whole is connected with spacing nose bar of second (16) on second baffle (14), the one end and first spacing nose bar (15) and the contact of spacing nose bar of second (16) of interface are kept away from in network interface (7).

8. A surge protector according to claim 7, wherein: the upper ends of the first limiting convex rod (15) and the second limiting convex rod (16) are arranged in an arc shape, and the side, close to each other, of the upper ends of the first limiting convex rod and the second limiting convex rod is arranged in an arc shape.