CN205122516U - Air circuit breaker - Google Patents
Air circuit breaker Download PDFInfo
- Publication number
- CN205122516U CN205122516U CN201520749057.1U CN201520749057U CN205122516U CN 205122516 U CN205122516 U CN 205122516U CN 201520749057 U CN201520749057 U CN 201520749057U CN 205122516 U CN205122516 U CN 205122516U
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- CN
- China
- Prior art keywords
- contact
- air circuit
- chain
- circuit
- voltage stabilizing
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an air circuit breaker, including taking off mouthful device and alarm. Take off that a mouthful device includes contact, chain, has contact with, lever and electromagnetism release, the contact is installed on the chain, links to each other with the power line, the chain with have contact with the hook together, the lever with have contact with the contact, there is a magnet on lever and the electromagnetism release contact segment, the coil cluster of electromagnetism release is gone into in the power line, the alarm unit includes power module, timing module, driver and buzzer, power module links to each other with the power line. The utility model discloses simple structure, and have the audible cue function, when short circuit or overload appearing when the circuit in, open -circuit line that the circuit breaker can be quick to send sound warning.
Description
Technical field
The utility model relates to a kind of circuit breaker, particularly relates to a kind of air circuit with alarm function.
Background technology
Air circuit; have another name called air switch; it is the one of circuit breaker; as long as be that in a kind of circuit, electric current overrate will the switch of auto-breaking, air circuit is very important a kind of electrical equipment in low-voltage network and electric drive system, and it integrates control and multiple protection functions; decapacitation completes outside contact and point deenergizing; the short circuit that still can occur circuit or electric equipment, heavy overload and under-voltage etc. is protected, and also may be used for starter motor infrequently simultaneously.Conventional circuit breaker is generally double-shell structure, and it is made up of modularization electrode, operating mechanism, modularization release etc.; Electrode and release are all placed in an external frame, and this framework forms the shell of circuit breaker, and its effect contributes to keeping these electrodes to be mechanically connected each other.Existing air circuit, when automatically closing, cannot send warning, and people need to walk up to me just can see circuit breaker trip, use little convenience.
Utility model content
In order to make up the deficiency that above technology exists, provide a kind of air circuit with alarm function.
The technical scheme that the utility model adopts is:
A kind of air circuit, comprise de-mouth device and alarm unit, described de-mouth device comprises contact (1), chain (2), has contact with (3), lever (4) and magnetictrip (5), described contact (1) is arranged on chain (2), be connected with power line, described chain (2) is together with having contact with (3) and being hooked in, described lever (4) with have contact with (3) and contact, described lever (4) and magnetictrip (5) contact portion have one block of magnet, and the coil of described magnetictrip (5) seals in power line;
Described alarm unit comprises power module, timing module, driver and buzzer, and described power module is connected with power line.
Described a kind of air circuit, described contact (1) comprises contact a and contact b, and contact a connects electrical network and by electric line, contact b connection electrical network and alarm unit.
Described a kind of air circuit, described chain (2) linking springs, other end is hook formation, and described spring is fixed on case for circuit breaker; Describedly have contact with (3) one and be connected on case for circuit breaker by axle, other end is also hook formation, together with being hooked in the hook formation of iron chain (2).
Described a kind of air circuit, described lever (4) is fixed by movable axis, and a crown is on having contact with, and other end is near magnetictrip (5), described magnetictrip (5) outside is a coil, and the inside is core material.
Described a kind of air circuit, described alarm unit comprises power module, timing module, driver and buzzer, and described power module is by electrical network power taking, and described timing module core devices is 555 chips, described driver is controlled by counting module, drives buzzer.
Described a kind of air circuit, described power module comprises current rectifying and wave filtering circuit and voltage stabilizing circuit; Described current rectifying and wave filtering circuit is diode D1, D2, D3, D4 and electric capacity C1, C2 composition, described D1 positive pole is connected with D3 negative pole with electrical network, negative pole is connected with C2 with D2 negative pole, C1 positive pole, and described D4 negative pole is connected with D2 positive pole with electrical network, and positive pole is connected with C2 with D3 positive pole, C1 negative pole; Described voltage stabilizing circuit is made up of voltage stabilizing chip and electric capacity C3, C4, described voltage stabilizing chip input is connected with rectification filter circuit output end with earth terminal, described voltage stabilizing chip output is connected with C4 with C3 positive pole, and described C3 negative pole is connected with voltage stabilizing chip ground end with another pin of C4.
Described a kind of air circuit, described driver comprises triode Q1 and resistance R1, and described Q1 base stage is connected with resistance, and Q1 collector electrode is connected with buzzer, and Q1 emitter is connected to the ground.
Described a kind of air circuit, described counting module output is connected with another pin of resistance R1.
Owing to have employed technique scheme, the beneficial effect acquired by the utility model is: the utility model structure is simple, and with alarm function, and when there is short circuit or overload in circuit, circuit breaker can open-circuit line fast, and warning of sounding.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model;
Fig. 2 is the structured flowchart of alarm unit;
Fig. 3 is current rectifying and wave filtering circuit and voltage stabilizing circuit;
Fig. 4 is drive circuit.
Embodiment
Execute the accompanying drawing in example below in conjunction with the utility model, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1 with an air circuit for alarm function, mainly comprise de-mouth device and alarm unit.De-mouth device mainly comprises contact 1, chain 2, have contact with 3, lever 4 and magnetictrip 5, contact 1 is arranged on chain 2, be connected with power line, chain 2 is together with having contact with 3 and being hooked in, lever 4 with have contact with 3 and contact, lever 4 and magnetictrip 5 contact portion have one block of magnet, and the coil of magnetictrip 5 seals in power line.Contact 1 comprises contact a and contact b, and contact a connects electrical network and by electric line, contact b connection electrical network and alarm unit.Chain 2 one linking springs, other end is hook formation, and spring is fixed on case for circuit breaker; Having contact with 3 one is connected on case for circuit breaker by axle, and other end is also hook formation, together with being hooked in the hook formation of chain 2.Lever 4 is fixed by movable axis, and a crown is on having contact with, and other end is near magnetictrip 5, and be a coil outside magnetictrip 5, the inside is core material.
As shown in Figure 2, alarm unit mainly comprises power module, timing module, driver and buzzer, and power module is connected with power line, power module is by electrical network power taking, timing module core devices is 555 chips, and driver is controlled by counting module, and then drives buzzer.
As shown in Figure 3, power module comprises current rectifying and wave filtering circuit and voltage stabilizing circuit.Current rectifying and wave filtering circuit is diode D1, D2, D3, D4 and electric capacity C1, C2 composition, D1 positive pole is connected with D3 negative pole with electrical network, negative pole is connected with C2 with D2 negative pole, C1 positive pole, and D4 negative pole is connected with D2 positive pole with electrical network, and positive pole is connected with C2 with D3 positive pole, C1 negative pole; Voltage stabilizing circuit is made up of voltage stabilizing chip and electric capacity C3, C4, and voltage stabilizing chip input is connected with rectification filter circuit output end with earth terminal, and voltage stabilizing chip output is connected with C4 with C3 positive pole, and another pin of C3 negative pole and C4 is connected with voltage stabilizing chip ground end.
As shown in Figure 4, driver is made up of triode Q1 and resistance R1, and Q1 base stage is connected with resistance, and Q1 collector electrode is connected with buzzer, and Q1 emitter is connected to the ground.Counting module output is connected with another pin of resistance R1.
Operation principle of the present utility model is: when the electric current in circuit is greater than rated current, magnetictrip 5 can produce one that enough large magnetic force holds lever 4, the other end of lever can be pushed up and be had contact with 3, now be hooked in chain 2 together and have contact with 3 and will separate, now contact 1 can disconnect, the power-off of electricity consumption circuit, contact 2 can close, alarm unit can sound warning, and after a period of time, can automatically close.
Need to further illustrate, specific embodiment described herein is only to spiritual example explanation of the present utility model.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (8)
1. an air circuit, comprises de-mouth device and alarm unit, it is characterized in that:
Described de-mouth device comprises contact (1), chain (2), has contact with (3), lever (4) and magnetictrip (5), described contact (1) is arranged on chain (2), be connected with power line, described chain (2) is together with having contact with (3) and being hooked in, described lever (4) with have contact with (3) and contact, described lever (4) and magnetictrip (5) contact portion have one block of magnet, and the coil of described magnetictrip (5) seals in power line;
Described alarm unit comprises power module, timing module, driver and buzzer, and described power module is connected with power line.
2. a kind of air circuit according to claim 1, is characterized in that: described contact (1) comprises contact a and contact b, and contact a connects electrical network and by electric line, contact b connection electrical network and alarm unit.
3. a kind of air circuit according to claim 1, is characterized in that: described chain (2) linking springs, and other end is hook formation, and described spring is fixed on case for circuit breaker; Describedly have contact with (3) one and be connected on case for circuit breaker by axle, other end is also hook formation, together with being hooked in the hook formation of Da chain (2).
4. a kind of air circuit according to claim 1, it is characterized in that: described lever (4) is fixed by movable axis, one crown is on having contact with, other end is near magnetictrip (5), described magnetictrip (5) outside is a coil, and the inside is core material.
5. a kind of air circuit according to claim 1, it is characterized in that: described alarm unit comprises power module, timing module, driver and buzzer, described power module is by electrical network power taking, described timing module core devices is 555 chips, described driver is controlled by counting module, drives buzzer.
6. a kind of air circuit according to claim 5, is characterized in that: described power module comprises current rectifying and wave filtering circuit and voltage stabilizing circuit; Described current rectifying and wave filtering circuit is diode D1, D2, D3, D4 and electric capacity C1, C2 composition, described D1 positive pole is connected with D3 negative pole with electrical network, negative pole is connected with C2 with D2 negative pole, C1 positive pole, and described D4 negative pole is connected with D2 positive pole with electrical network, and positive pole is connected with C2 with D3 positive pole, C1 negative pole; Described voltage stabilizing circuit is made up of voltage stabilizing chip and electric capacity C3, C4, described voltage stabilizing chip input is connected with rectification filter circuit output end with earth terminal, described voltage stabilizing chip output is connected with C4 with C3 positive pole, and described C3 negative pole is connected with voltage stabilizing chip ground end with another pin of C4.
7. a kind of air circuit according to claim 5, is characterized in that: described driver comprises triode Q1 and resistance R1, and described Q1 base stage is connected with resistance, and Q1 collector electrode is connected with buzzer, and Q1 emitter is connected to the ground.
8. a kind of air circuit according to claim 5 or 7, is characterized in that: described counting module output is connected with another pin of resistance R1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520749057.1U CN205122516U (en) | 2015-09-28 | 2015-09-28 | Air circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520749057.1U CN205122516U (en) | 2015-09-28 | 2015-09-28 | Air circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205122516U true CN205122516U (en) | 2016-03-30 |
Family
ID=55578100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520749057.1U Expired - Fee Related CN205122516U (en) | 2015-09-28 | 2015-09-28 | Air circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205122516U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538658A (en) * | 2018-05-25 | 2018-09-14 | 祁亮 | A kind of electrical equipment standby automatic power-off device comprising time-delay mechanism |
| CN111157679A (en) * | 2019-12-30 | 2020-05-15 | 清华大学 | Hydrogen pipeline detection system |
| CN111863555A (en) * | 2020-07-15 | 2020-10-30 | 陈垠杰 | Adjustable tripping structure of air switch |
-
2015
- 2015-09-28 CN CN201520749057.1U patent/CN205122516U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108538658A (en) * | 2018-05-25 | 2018-09-14 | 祁亮 | A kind of electrical equipment standby automatic power-off device comprising time-delay mechanism |
| CN108538658B (en) * | 2018-05-25 | 2023-09-12 | 祁亮 | Automatic power-off device for standby of electrical equipment comprising time delay device |
| CN111157679A (en) * | 2019-12-30 | 2020-05-15 | 清华大学 | Hydrogen pipeline detection system |
| CN111863555A (en) * | 2020-07-15 | 2020-10-30 | 陈垠杰 | Adjustable tripping structure of air switch |
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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 |
Granted publication date: 20160330 Termination date: 20160928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |