CN205911739U - Protection switch with discretionary protection circuit - Google Patents
Protection switch with discretionary protection circuit Download PDFInfo
- Publication number
- CN205911739U CN205911739U CN201620789343.5U CN201620789343U CN205911739U CN 205911739 U CN205911739 U CN 205911739U CN 201620789343 U CN201620789343 U CN 201620789343U CN 205911739 U CN205911739 U CN 205911739U
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- China
- Prior art keywords
- circuit
- protection
- main body
- switch
- electrically connected
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a protection switch with discretionary protection circuit, including main part, input circuit and output circuit, the one end of main part is equipped with input circuit and output circuit respectively, input circuit's one end and earth -leakage protector electricity are connected, earth -leakage protector passes through input power line and is connected with the relay electricity, the other end surface of main part is equipped with control switch, the relay passes through the control lever and is connected with the control switch electricity, the other end of relay passes through output power line and is connected with the one end electricity of over -voltage and under -voltage protection device, be equipped with warning circuit on the over -voltage and under -voltage protection device, and warning circuit and outer electric connection of alarm of main part, the other end and the output circuit electricity of over -voltage and under -voltage protection device are connected, the upper end of main part is equipped with ventilation unit, has solved current protection switch and has lacked and be applied to the circuit, can play the problem of certain self -service guard action.
Description
Technical field
This utility model is related to power switch field, specially a kind of protection switch with discretionary protection circuit.
Background technology
General protection switch is provided to protect the switch of electric equipment, and circuit or electrical equipment can be occurred is short
Road, heavy overload and under-voltage etc. are protected.Existing protection switch lacks and is applied in circuit, can play certain self-service
Protective effect, general protection switch structure is complex, and design rationality is poor.
Utility model content
The purpose of this utility model is to provide a kind of protection switch with discretionary protection circuit, to solve above-mentioned background
The problem proposing in technology.
For achieving the above object, this utility model provides a kind of following technical scheme: protection with discretionary protection circuit
Switch, including main body, input circuit and output circuit, one end of described main body is respectively equipped with input circuit and output circuit, institute
The one end stating input circuit is electrically connected with earth leakage protective device, and described earth leakage protective device is electrically connected with relay by input power cord
Connect, another end surfaces of described main body are provided with controlling switch, and described relay is electrically connected with controlling switch by control bar, described
The other end of relay is electrically connected with one end of over-and under-voltage protection device by out-put supply line, described over-and under-voltage protection dress
Put and be provided with warning circuit, and warning circuit is electrically connected with the alarm outside main body, described over-and under-voltage protection device another
End is electrically connected with output circuit, is provided with some vents, the upper end of described main body is provided with ventilation unit in the side wall of described main body.
Preferably, be provided with light alarm and audio alarm in described alarm, light alarm and audio alarm all with overvoltage
Undervoltage protection device electrically connects.
Preferably, include accumulator and fan in described ventilation unit, and accumulator is located at the top of ventilation unit, described
Accumulator is electrically connected with fan.
Preferably, described vent quantity at least 12, and it is uniformly distributed in the both sides of main body.
Preferably, the side wall of described controlling switch is provided with button, and button is electrically connected with controlling switch.
Compared with prior art, the beneficial effects of the utility model are: this utility model structure is simple, and this has autonomous guarantor
The protection switch of protection circuit is provided with earth leakage protective device and relay in the inside of main body, and it is right to be carried out by relay and controlling switch
The protection of circuit, and it is additionally provided with over-and under-voltage protection device in main body and alarm is warned, solve existing protection and open
Pass lacks and is applied in circuit, can play the problem of necessarily self-service protective effect, have very high safety and practicality.
Brief description
Fig. 1 is this utility model structural representation.
In figure: main body 1, input circuit 2, output circuit 3, earth leakage protective device 4, input power cord 5, relay 6, control are opened
Close 7, button 8, out-put supply line 9, over-and under-voltage protection device 10, alarm 11, ventilation unit 12, accumulator 13, fan 14,
Vent 15.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
Refer to Fig. 1, this utility model provides a kind of a kind of technical scheme: protection switch with discretionary protection circuit,
Including main body 1, input circuit 2 and output circuit 3, one end of described main body 1 is respectively equipped with input circuit 2 and output circuit 3, institute
The one end stating input circuit 2 is electrically connected with earth leakage protective device 4, and described earth leakage protective device 4 passes through input power cord 5 and relay 6
Electrical connection, another end surfaces of described main body 1 are provided with controlling switch 7, and described relay 6 passes through control bar and controlling switch 7 electricity
Connect, the side wall of described controlling switch 7 is provided with button 8, and button 8 is electrically connected with controlling switch 7, described relay 6
The other end is electrically connected with one end of over-and under-voltage protection device 10 by out-put supply line 9, described over-and under-voltage protection device 10
It is provided with warning circuit, and warning circuit is electrically connected with the alarm 11 outside main body 1, is provided with light alarm in described alarm 11
And audio alarm, light alarm and audio alarm all electrically connected with over-and under-voltage protection device 10, described over-and under-voltage protection dress
Put 10 other end to electrically connect with output circuit 3, in the side wall of described main body 1, be provided with some vents 15, described vent 15
Quantity at least 12, and it is uniformly distributed in the both sides of main body 1, the upper end of described main body 1 is provided with ventilation unit 12, described ventilation
Include accumulator 13 and fan 14 in device 12, and accumulator 13 is located at top, described accumulator 13 and the wind of ventilation unit 12
Fan 14 electrical connection.
Operation principle: the protection switch that this has discretionary protection circuit is provided with earth leakage protective device 4 in the inside of main body 1 and continues
Electrical equipment 6, carries out the protection to circuit by relay 6 and controlling switch 7, and is additionally provided with over-and under-voltage protection device in main body 1
10 and alarm 11 warned, be provided with ventilation unit 12 in the upper end of main body 1, and carried out in main body 1 by vent 15
Ventilation, retainer body 1 inner air flow, prevent the infringement of dampness, there is very high safety and practicality.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with multiple changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of protection switch with discretionary protection circuit, including main body (1), input circuit (2) and output circuit (3), its
It is characterised by: one end of described main body (1) is respectively equipped with input circuit (2) and output circuit (3), described input circuit (2)
One end is electrically connected with earth leakage protective device (4), and described earth leakage protective device (4) is electrically connected with relay (6) by input power cord (5)
Connect, another end surfaces of described main body (1) are provided with controlling switch (7), described relay (6) passes through control bar and controlling switch
(7) electrically connect, the other end of described relay (6) passes through one end of out-put supply line (9) and over-and under-voltage protection device (10)
Electrical connection, described over-and under-voltage protection device (10) is provided with warning circuit, and warning circuit and main body (1) alarm outward
(11) electrically connect, the other end of described over-and under-voltage protection device (10) is electrically connected with output circuit (3), described main body (1)
It is provided with some vents (15), the upper end of described main body (1) is provided with ventilation unit (12) in the wall of side.
2. a kind of protection switch with discretionary protection circuit according to claim 1 it is characterised in that: described alarm
(11) it is provided with light alarm and audio alarm in, light alarm and audio alarm are all electrically connected with over-and under-voltage protection device (10)
Connect.
3. a kind of protection switch with discretionary protection circuit according to claim 1 it is characterised in that: described ventilation dress
Put and in (12), include accumulator (13) and fan (14), and accumulator (13) is located at the top of ventilation unit (12), described electric power storage
Pond (13) is electrically connected with fan (14).
4. a kind of protection switch with discretionary protection circuit according to claim 1 it is characterised in that: described vent
(15) quantity at least 12, and it is uniformly distributed in the both sides of main body (1).
5. a kind of protection switch with discretionary protection circuit according to claim 1 it is characterised in that: described control is opened
On the side wall closing (7), button (8) is installed, and button (8) is electrically connected with controlling switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789343.5U CN205911739U (en) | 2016-07-25 | 2016-07-25 | Protection switch with discretionary protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620789343.5U CN205911739U (en) | 2016-07-25 | 2016-07-25 | Protection switch with discretionary protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205911739U true CN205911739U (en) | 2017-01-25 |
Family
ID=57802277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620789343.5U Expired - Fee Related CN205911739U (en) | 2016-07-25 | 2016-07-25 | Protection switch with discretionary protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205911739U (en) |
-
2016
- 2016-07-25 CN CN201620789343.5U patent/CN205911739U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20170725 |