CN202975636U - Automatic starting device for air-conditioner in transformer station - Google Patents
Automatic starting device for air-conditioner in transformer station Download PDFInfo
- Publication number
- CN202975636U CN202975636U CN 201220651937 CN201220651937U CN202975636U CN 202975636 U CN202975636 U CN 202975636U CN 201220651937 CN201220651937 CN 201220651937 CN 201220651937 U CN201220651937 U CN 201220651937U CN 202975636 U CN202975636 U CN 202975636U
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- triode
- relay
- rectifier bridge
- air
- transformer station
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- Expired - Fee Related
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- 239000003990 capacitor Substances 0.000 claims abstract description 16
- 238000004378 air conditioning Methods 0.000 claims description 26
- 150000001875 compounds Chemical class 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 abstract 5
- 238000007600 charging Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Abstract
The utility model provides an automatic starting device for an air-conditioner in a transformer station. The automatic starting device comprises a rectifier bridge, an anti-backflow diode, two relays, three triodes, three capacitors and two resistors, wherein a first capacitor is a filter capacitor of an output terminal of the rectifier bridge, a first triode and a second triode are connected to form a composite triode, an emitter electrode of the composite triode is grounded, a collector electrode of the composite triode is connected with an output voltage of the rectifier bridge through a control coil of a first relay, a base electrode of the composite triode is grounded through a second capacitor and connected with the output voltage of the rectifier bridge through a first resistor, an emitter electrode of a third triode is grounded, a collector electrode of the third triode is connected with the output voltage of the rectifier bridge through a control coil of a second relay, a base electrode of the third triode is grounded through a third capacitor and connected with the collector electrode of the composite triode through a second resistor and the anti-backflow diode, normally open contacts of the first relay and the second relay are in series connection and then are parallely connected with a starting switch of the air-conditioner. The automatic starting device provided by the utility model can automatically start the air-conditioner when the transformer station is powered on after a power failure, guarantees equipment in the transformer station to safely run at a set temperature and reduces labor intensity of a man on duty.
Description
Technical field
The utility model starts the device of air conditioner when relating to a kind of can the incoming call again after transformer station has a power failure automatically, belongs to the control technology field.
Background technology
At present; be used for the air-conditioning of conditioning equipment operating ambient temperature in transformer station; all do not possess the incoming call self-starting function; after air-conditioning is shut down; even power up is normal, air-conditioning can not continue operation, could again start after the person on duty such as only having to come to the spot to click the starting switch on air-conditioning; so not only increase person on duty's labour intensity, nor can in time satisfy equipment to the requirement of operating ambient temperature.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of transformer station air-conditioning automatic starting device is provided, and air-conditioning can in time be started in unattended situation, guarantees the normal operation of substation equipment.
The purpose of this utility model realizes with following technical proposals:
A kind of transformer station air-conditioning automatic starting device, formation comprises rectifier bridge, anti-backflow diode, two relays, three triodes, three electric capacity and two resistance, the input termination transformer station AC power of described rectifier bridge, the first electric capacity is the filter capacitor of its output terminal; The first triode and the second triode are connected into compound transistor, the grounded emitter of this compound transistor, and collector connects the rectifier bridge output voltage through the control coil of the first relay, and base stage connects the rectifier bridge output voltage through the second capacity earth and through the first resistance; The grounded emitter of the 3rd triode, collector connects the rectifier bridge output voltage through the control coil of the second relay, and base stage is through the 3rd capacity earth and connect successively the collector of compound transistor through the second resistance and anti-backflow diode; After being connected in series, the normally opened contact of the first relay and the second relay is attempted by on the starting of air conditioner switch.
Above-mentioned transformer station air-conditioning automatic starting device, also comprise the 3rd relay in formation, the control coil of the 3rd relay connects the rectifier bridge output voltage, its normally closed contact one end ground connection, the base stage of the compound transistor that a termination is made of the first triode and the second triode.
Above-mentioned transformer station air-conditioning automatic starting device, described rectifier bridge adopts the rectifier bridge on the air-conditioning master control borad.
Above-mentioned transformer station air-conditioning automatic starting device, on the control coil of the first relay and the second relay all and be connected to fly-wheel diode.
When the utility model can be sent a telegram here after transformer station's air-conditioning has a power failure again, send enabling signal from the trend air-conditioner controller, air-conditioning is in time started, and this device not only can guarantee substation equipment safe operation under suitable environment temperature, and has reduced person on duty's labour intensity.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is electrical schematic diagram of the present utility model.
Embodiment
In figure, each label is: ZQ, rectifier bridge; Q1～Q3, the first triode～the 3rd triode; J1～J3, the first relay～the 3rd relay; C1～C3, the first electric capacity～the 3rd electric capacity; D1, the first fly-wheel diode; D2, the second fly-wheel diode; D3, anti-backflow diode; K, starting of air conditioner switch; R1, the first resistance; R2, the second resistance.
Referring to Fig. 1, the utility model can start air-conditioning automatically after the outage incoming call, and its principle of work is as follows:
Transformer station has a power failure after incoming call again, on the air-conditioning master control borad+12V voltage (output voltage of rectifier bridge ZQ) is added on the control coil of the 3rd relay J 3, and the normally closed contact of the 3rd relay J 3 is disconnected.On the air-conditioning master control borad+control coil, anti-backflow diode D3 and second resistance R 2 of 12V voltage by the first relay J 1 give the 3rd capacitor C 3 chargings, voltage after 1 second on the 3rd capacitor C 3 rises to 0.7V, make the 3rd triode Q3 conducting, the control coil of the second relay J 2 gets electric, and its normally opened contact is closed.Meanwhile, on the air-conditioning master control borad+12V voltage gives the second capacitor C 2 chargings by the first resistance R 1, voltage after about 20 seconds on the second capacitor C 2 rises to 1.4V, at this moment the compound transistor conducting that is consisted of by the first triode Q1 and the second triode Q2, the control coil of the first relay J 1 gets electric, its normally opened contact is closed, and the normally opened contact of the first relay J 1 and the second relay J 2 all is in closure state due to this moment, is equivalent to the starting of air conditioner K switch and connects.After the first triode Q1 and the second triode Q2 conducting, anti-backflow diode D3 cut-off, the charging current of the 3rd capacitor C 3 is interrupted, and the 3rd capacitor C 3 is by the 3rd triode Q3 discharge, and the 3rd triode Q3 keeps conducting state, voltage drop after 3 seconds on the 3rd capacitor C 3 is below 0.7V, make the 3rd triode Q3 cut-off, so the second relay J 2 dead electricity, its normally opened contact disconnects, be equivalent to the starting of air conditioner K switch and disconnect, complete the startup of air-conditioning.
The effect of the 3rd relay J 3 is after air-conditioning outage, the second capacitor C 2 discharge rapidly, affects the startup again of air-conditioning because the second capacitor C 2 has little time to discharge when preventing transformer station's short time power failure.
Claims (4)
1. transformer station's air-conditioning automatic starting device, it is characterized in that, it comprises rectifier bridge (ZQ), anti-backflow diode (D3), two relays, three triodes, three electric capacity and two resistance, the input termination transformer station AC power of described rectifier bridge (ZQ), the first electric capacity (C1) is the filter capacitor of its output terminal; The first triode (Q1) and the second triode (Q2) are connected into compound transistor, the grounded emitter of this compound transistor, collector connects rectifier bridge (ZQ) output voltage through the control coil of the first relay (J1), and base stage connects rectifier bridge (ZQ) output voltage through the second electric capacity (C2) ground connection and through the first resistance (R1); The grounded emitter of the 3rd triode (Q3), collector connects rectifier bridge (ZQ) output voltage through the control coil of the second relay (J2), and base stage is through the 3rd electric capacity (C3) ground connection and connect successively the collector of compound transistor through the second resistance (R2) and anti-backflow diode (D3); After being connected in series, the normally opened contact of the first relay (J1) and the second relay (J2) is attempted by on starting of air conditioner switch (K).
2. transformer station's air-conditioning automatic starting device according to claim 1, it is characterized in that, also comprise the 3rd relay (J3) in formation, the control coil of the 3rd relay (J3) connects rectifier bridge (ZQ) output voltage, its normally closed contact one end ground connection, a termination is by the base stage of the compound transistor of the first triode (Q1) and the second triode (Q2) formation.
3. described transformer station air-conditioning automatic starting device according to claim 1 and 2, is characterized in that, on the control coil of the first relay (J1) and the second relay (J2) all and be connected to fly-wheel diode.
4. transformer station's air-conditioning automatic starting device according to claim 3, is characterized in that, described rectifier bridge (ZQ) adopts the rectifier bridge on the air-conditioning master control borad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651937 CN202975636U (en) | 2012-12-03 | 2012-12-03 | Automatic starting device for air-conditioner in transformer station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220651937 CN202975636U (en) | 2012-12-03 | 2012-12-03 | Automatic starting device for air-conditioner in transformer station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202975636U true CN202975636U (en) | 2013-06-05 |
Family
ID=48516690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220651937 Expired - Fee Related CN202975636U (en) | 2012-12-03 | 2012-12-03 | Automatic starting device for air-conditioner in transformer station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202975636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052052A (en) * | 2017-11-15 | 2018-05-18 | 绵阳双甘科技有限公司 | A kind of paper cutter protects circuit |
-
2012
- 2012-12-03 CN CN 201220651937 patent/CN202975636U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108052052A (en) * | 2017-11-15 | 2018-05-18 | 绵阳双甘科技有限公司 | A kind of paper cutter protects circuit |
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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: 20130605 Termination date: 20181203 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |