CN207517630U - A kind of Novel alarming air switch - Google Patents
A kind of Novel alarming air switch Download PDFInfo
- Publication number
- CN207517630U CN207517630U CN201721625263.7U CN201721625263U CN207517630U CN 207517630 U CN207517630 U CN 207517630U CN 201721625263 U CN201721625263 U CN 201721625263U CN 207517630 U CN207517630 U CN 207517630U
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- connection
- resistance
- triode
- optocoupler
- gas
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Abstract
The utility model discloses a kind of Novel alarming air switches, belong to technical field of electric power, including air switch, air switch is equipped with lever (1), further include gas buckle releaser (3), bidirectional triode thyristor (4) and Detection Circuit (5), when solving the electrical device in power switch cabinet and breaking down, the technical issues of disconnecting power supply in time, the utility model can detect the gas that the device in power switch cabinet is released in failure adstante febre, judged whether to disconnect power supply according to the concentration of gas, prevent the generation of fire, protect the safety of entire power switch cabinet.
Description
Technical field
The utility model belongs to technical field of electric power, more particularly to a kind of Novel alarming air switch.
Background technology
Many electrical devices are placed in power switch cabinet, and there are a large amount of organic insulation materials for the structure of electrical device in itself
Material, such as plastics, when generating amount of heat when electrical device is because circuit reason, the organic insulation in electrical device will
The largely valuable gas to breakdown judge is released, the gas mainly discharged includes carbon monoxide, according to carbon monoxide
Concentration is that can determine whether the malfunction of electrical device and whether reach point of origin.
Utility model content
The purpose of this utility model is to provide based on a kind of Novel alarming air switch, solves the electricity in power switch cabinet
During power device failure, the technical issues of powering is disconnected in time.
To achieve the above object, the utility model uses following technical scheme：
A kind of Novel alarming air switch, including air switch, air switch is equipped with lever, further include gas buckle releaser,
Bidirectional triode thyristor and Detection Circuit correspond to gas buckle releaser equipped with convex block, the control coil of gas buckle releaser on lever
One end connection zero curve, the other end connect bidirectional triode thyristor A1 poles, bidirectional triode thyristor A2 poles connection firewire, bidirectional triode thyristor
G poles connection Detection Circuit；
Detection Circuit includes power module, gas sensor IC1, phase inverter U2, triode Q1, triode Q2, electricity
Resistance R1, resistance R2, resistance R3, resistance R4, indicator light D1, optocoupler U1 and buzzer B1, the input terminal connection alternating current of power module,
Output terminal exports the positive supply of 5V, 3 feet of the output terminal connection phase inverter U2 of gas sensor IC1, the 4 feet connection of phase inverter U2
The base stage of triode Q2, for the collector of triode Q2 by resistance R4 connection positive supplies, the emitter of triode Q2 passes through resistance
The anode of R3 connection indicator lights D1,1 foot of the cathode connection optocoupler U1 of indicator light D1, the 2 feet connection ground wire of optocoupler U1, triode
The emitter of Q2 is also connected with 1 foot of phase inverter U2, the base stage of the 2 foot connecting triode Q1 of phase inverter U2, the transmitting of triode Q1
Device passes through the positive input terminal of resistance R1 connection buzzers B1, the negative input end connection ground wire of buzzer B1, the relay of triode Q1
Device is by resistance R2 connection positive supplies, and the A1 poles of the 3 feet connection bidirectional triode thyristor of optocoupler U1, the 4 feet connection of optocoupler U1 is two-way can
Control the G poles of silicon.
The model 74LS04 of the phase inverter；The model BTA06-600 of the bidirectional triode thyristor；The optocoupler U1's
Model cosmo3201.
The gas sensor IC1 is MQ-9 gas sensors.
Event occurs for a kind of Novel alarming air switch described in the utility model, the electrical device solved in power switch cabinet
During barrier, the technical issues of disconnecting power supply in time, the utility model can detect device in power switch cabinet in failure adstante febre
The gas released judges whether to disconnect power supply according to the concentration of gas, prevents the generation of fire, entire electric power is protected to open
Close the safety of cabinet.
Description of the drawings
Fig. 1 is the principle schematic diagram of the air switch of the utility model；
Fig. 2 is the circuit diagram of the Detection Circuit of the utility model；
In figure：Lever 1, convex block 2, gas buckle releaser 3, bidirectional triode thyristor 4, Detection Circuit 5.
Specific embodiment
A kind of Novel alarming air switch as depicted in figs. 1 and 2, including air switch, air switch is equipped with lever 1,
Gas buckle releaser 3, bidirectional triode thyristor 4 and Detection Circuit 5 are further included, gas buckle releaser 3 is corresponded on lever 1 equipped with convex block
2, one end connection zero curve of the control coil of gas buckle releaser 3, the other end connects the A1 poles of bidirectional triode thyristor 4, bidirectional triode thyristor 4
A2 poles connection firewire, bidirectional triode thyristor 4 G poles connection Detection Circuit 5；
Detection Circuit 5 includes power module, gas sensor IC1, phase inverter U2, triode Q1, triode Q2, electricity
Resistance R1, resistance R2, resistance R3, resistance R4, indicator light D1, optocoupler U1 and buzzer B1, the input terminal connection alternating current of power module,
Output terminal exports the positive supply of 5V, 3 feet of the output terminal connection phase inverter U2 of gas sensor IC1, the 4 feet connection of phase inverter U2
The base stage of triode Q2, for the collector of triode Q2 by resistance R4 connection positive supplies, the emitter of triode Q2 passes through resistance
The anode of R3 connection indicator lights D1,1 foot of the cathode connection optocoupler U1 of indicator light D1, the 2 feet connection ground wire of optocoupler U1, triode
The emitter of Q2 is also connected with 1 foot of phase inverter U2, the base stage of the 2 foot connecting triode Q1 of phase inverter U2, the transmitting of triode Q1
Device passes through the positive input terminal of resistance R1 connection buzzers B1, the negative input end connection ground wire of buzzer B1, the relay of triode Q1
Device is by resistance R2 connection positive supplies, and the A1 poles of the 3 feet connection bidirectional triode thyristor 4 of optocoupler U1, the 4 feet connection of optocoupler U1 is two-way can
Control the G poles of silicon 4.
The model 74LS04 of the phase inverter；The model BTA06-600 of the bidirectional triode thyristor 4；The optocoupler U1
Model cosmo3201.
The gas sensor IC1 is MQ-9 gas sensors.
The structure of the gas buckle releaser 3 is identical with the structure of device for under-voltage releasing equipment of the prior art.
The bidirectional triode thyristor 4 is same bidirectional triode thyristor with the bidirectional triode thyristor D2 in Fig. 2.
In use, a kind of Novel alarming air switch to be connected on to the end of incoming cables of power switch cabinet, switchgear is controlled
Power supply on/off.
When gas sensor IC1 detects that carbon monoxide gas concentration reaches predetermined threshold, gas sensor IC1 passes through
Output terminal exports high level signal, which be connected triode Q2, so as to make optocoupler U1 after phase inverter is reversed
Action, optocoupler U1 act bidirectional triode thyristor 4, so as to disconnect the electric power incoming line of control switchgear, prevent fire hazard.
Event occurs for a kind of Novel alarming air switch described in the utility model, the electrical device solved in power switch cabinet
During barrier, the technical issues of disconnecting power supply in time, the utility model can detect device in power switch cabinet in failure adstante febre
The gas released judges whether to disconnect power supply according to the concentration of gas, prevents the generation of fire, entire electric power is protected to open
Close the safety of cabinet.
Claims (3)
1. a kind of Novel alarming air switch, including air switch, air switch is equipped with lever (1), it is characterised in that：It further includes
Gas buckle releaser (3), bidirectional triode thyristor (4) and Detection Circuit (5) correspond to gas buckle releaser (3) on lever (1) and are equipped with
Convex block (2), one end connection zero curve of the control coil of gas buckle releaser (3), the A1 poles of other end connection bidirectional triode thyristor (4),
The A2 poles connection firewire of bidirectional triode thyristor (4), the G poles connection Detection Circuit (5) of bidirectional triode thyristor (4)；
Detection Circuit (5) includes power module, gas sensor IC1, phase inverter U2, triode Q1, triode Q2, resistance
R1, resistance R2, resistance R3, resistance R4, indicator light D1, optocoupler U1 and buzzer B1, the input terminal connection alternating current, defeated of power module
Outlet exports the positive supply of 5V, 3 feet of the output terminal connection phase inverter U2 of gas sensor IC1, the 4 feet connection three of phase inverter U2
The base stage of pole pipe Q2, for the collector of triode Q2 by resistance R4 connection positive supplies, the emitter of triode Q2 passes through resistance R3
Connect the anode of indicator light D1,1 foot of the cathode connection optocoupler U1 of indicator light D1, the 2 feet connection ground wire of optocoupler U1, triode Q2
Emitter be also connected with 1 foot of phase inverter U2, the base stage of the 2 foot connecting triode Q1 of phase inverter U2, the transmitter of triode Q1
Pass through the positive input terminal of resistance R1 connection buzzers B1, the negative input end connection ground wire of buzzer B1, the relay of triode Q1
By resistance R2 connection positive supplies, the A1 poles of the 3 feet connection bidirectional triode thyristor (4) of optocoupler U1, the 4 feet connection of optocoupler U1 is two-way can
Control the G poles of silicon (4).
2. a kind of Novel alarming air switch as described in claim 1, it is characterised in that：The model of the phase inverter
74LS04；The model BTA06-600 of the bidirectional triode thyristor (4)；The model cosmo3201 of the optocoupler U1.
3. a kind of Novel alarming air switch as described in claim 1, it is characterised in that：The gas sensor IC1 is MQ-
9 gas sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625263.7U CN207517630U (en) | 2017-11-29 | 2017-11-29 | A kind of Novel alarming air switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721625263.7U CN207517630U (en) | 2017-11-29 | 2017-11-29 | A kind of Novel alarming air switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207517630U true CN207517630U (en) | 2018-06-19 |
Family
ID=62542162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721625263.7U Expired - Fee Related CN207517630U (en) | 2017-11-29 | 2017-11-29 | A kind of Novel alarming air switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207517630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940642A (en) * | 2019-12-13 | 2020-03-31 | 西安锐驰电器有限公司 | Gas detection system and detection method for high-low voltage switch cabinet |
-
2017
- 2017-11-29 CN CN201721625263.7U patent/CN207517630U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110940642A (en) * | 2019-12-13 | 2020-03-31 | 西安锐驰电器有限公司 | Gas detection system and detection method for high-low voltage switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20211129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |