CN205639025U - Low -cost access control exhaust fan system of transformer substation - Google Patents
Low -cost access control exhaust fan system of transformer substation Download PDFInfo
- Publication number
- CN205639025U CN205639025U CN201620302243.5U CN201620302243U CN205639025U CN 205639025 U CN205639025 U CN 205639025U CN 201620302243 U CN201620302243 U CN 201620302243U CN 205639025 U CN205639025 U CN 205639025U
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- Prior art keywords
- time relay
- entrance guard
- transformer station
- room
- fan
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- Expired - Fee Related
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- 238000009423 ventilation Methods 0.000 claims abstract description 15
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 5
- 229910018503 SF6 Inorganic materials 0.000 description 72
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 72
- 238000010276 construction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Lock And Its Accessories (AREA)
- Building Environments (AREA)
- Ventilation (AREA)
Abstract
The utility model provides a low -cost access control exhaust fan system of transformer substation, including the entrance guard of transformer substation device, access card and SF6 device room fan, SF6 device room door -inhale device, a time relay and the 2nd time relay, access card and the entrance guard of transformer substation device radio communication are connected, first, the 2nd time relay is connected with the corresponding electricity with circulation ventilation control node of output control of withdrawing a garrison of the entrance guard of transformer substation device, the power end of SF6 device room door -inhale device is connected with the controlled electricity of output door -inhale control node of deploying troops on garrison duty of a time relay and the entrance guard of transformer substation device respectively, the power end of SF6 device room fan is connected with the controlled electricity of output fan control node of deploying troops on garrison duty of first, the 2nd time relay and the entrance guard of transformer substation device respectively. The utility model discloses thereby simple structure, lower, the easy realization of cost can effectively ensure staff's personal safety to SF6 electrical room forced draft when just using.
Description
The application is Application No. 201520851190.8, filing date on October 29th, 2015, and invention and created name is the divisional application of the utility application of " a kind of transformer station access control exhaust fan system ".
Technical field
This utility model relates to transformer station's ventilation equipment field, is specifically related to a kind of transformer station access control exhaust fan system.
Background technology
SF6(sulfur hexafluoride it is provided with in transformer station) electrical room, indoor are disposed with a fairly large number of SF6 power distribution equipment, SF6 power distribution equipment can be at indoor generation SF6 gas when running, thus, for ensureing that staff enters the work safetys such as SF6 power distribution equipment indoor tour, power safety 8.6 regulation that power supply department is implemented: staff enters SF6 electrical room, if porch is without SF6 gas content display, should first ventilate 15 minutes, and it is qualified to measure SF6 gas content with leak detector.But in real work, the porch of most of SF6 electrical rooms is not equipped with SF6 gas content display, staff, when entering the work of SF6 electrical room, starts exhaust fan by being arranged on the switch manual on doorway, then waits that air draft could enter for 15 minutes.It there is a problem in that one is that this kind of mode makes staff need net to be arranged 15 minutes on SF6 electrical room doorway, adds the waiting time of staff, reduces work efficiency；Two to be that this kind of mode does not possess mandatory, even if staff also can enter SF6 electrical room in the case of not carrying out air draft, there is potential safety hazard, it is impossible to the life security of safeguard work personnel conscientiously.
Utility model content
The purpose of this utility model is: provide that a kind of simple in construction, cost are relatively low, can be to SF6 electrical room forced ventilation thus transformer station's access control exhaust fan system of the low cost of effective guarantee staff's personal safety when being easily achieved and use.
The technical solution of the utility model is: transformer station's access control exhaust fan system of low cost of the present utility model, including transformer station's entrance guard device, visa card and SF6 device room fan, it is structurally characterized in that: also include SF6 device room door attraction device, very first time relay, second time relay and emergency unlocking device；
Above-mentioned transformer station's entrance guard device is provided with to withdraw a garrison to export and controls node, circulating ventilation control node, deploy troops on garrison duty output fan control node and output door-inhale control node of deploying troops on garrison duty；
SF6 device room door attraction device is arranged on the gate of transformer station's SF6 device room；SF6 device room door attraction device has power input；Very first time relay and second time relay are respectively provided with input and control output end；
Above-mentioned visa card is connected with transformer station entrance guard device radio communication；The input of very first time relay electrically connects with the output control node of withdrawing a garrison of transformer station's entrance guard device；The outfan of very first time relay controls to electrically connect with the power input of SF6 device room door attraction device and the power input of SF6 device room fan；
The input of second time relay electrically connects with the circulating ventilation control node of transformer station's entrance guard device；The outfan of second time relay controls to electrically connect with the power input of SF6 device room fan；
The output fan control node of deploying troops on garrison duty of transformer station's entrance guard device controls to electrically connect with the power input of SF6 device room fan；The output door-inhale of deploying troops on garrison duty of transformer station's entrance guard device controls node and controls to electrically connect with the power input of SF6 device room door attraction device；
Emergency unlocking device is arranged on doorway, SF6 device room；Emergency unlocking device controls to electrically connect with the power input of SF6 device room door attraction device；Emergency unlocking device has normal station and unlocks 2 operating positions of station, the switching of station is carried out by solving lock key, emergency unlocking device can cut off the power supply of SF6 device room door attraction device by solving lock key cutting unlocked position, opened at gate by force when meeting burst emergency.
This utility model has a positive effect: transformer station's access control exhaust fan system of (1) low cost of the present utility model, it utilizes the existing gate control system of transformer station to transform, by adding the time relay, SF6 electrical room gate being installed door attraction device and adds emergency unlocking device etc. and can realize, simple in construction, cost are relatively low, realization is convenient, it is easy to industry is promoted.(2) transformer station's access control exhaust fan system of low cost of the present utility model, it is in use, the staff entering SF6 electrical room is needed to need brush visa card to enter, and the fan that brush visa card i.e. starts SF6 electrical room carries out forced ventilation, after ventilating 15 minutes, unlock door-inhale again open the door, staff could enter, thus its ventilation has mandatory, thus can ensure that the personal safety of staff.(3) transformer station's access control exhaust fan system of low cost of the present utility model, it is in use, the staff entering SF6 electrical room fan of i.e. SF6 electrical room when entering substation gate brush visa card is needed to start ventilation, thus can save the waiting time before entering in prior art, improve work efficiency.(4) transformer station's access control exhaust fan system of low cost of the present utility model, it is by adding emergency unlocking device, when running into burst emergency, can quickly open SF6 electrical room gate, further ensure that the personal safety of staff.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Reference in above-mentioned accompanying drawing is as follows:
Transformer station's entrance guard device 1,
Visa card 2,
SF6 device room fan 3,
SF6 device room door attraction device 4,
Very first time relay 5, second time relay 6,
Emergency unlocking device 7.
Detailed description of the invention
With detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings.
(embodiment)
See Fig. 1, transformer station's access control exhaust fan system of the low cost of the present embodiment, it is mainly made up of transformer station's entrance guard device 1, visa card 2, SF6 device room fan 3, SF6 device room door attraction device 4, very first time relay 5, second time relay 6 and emergency unlocking device 7.
Transformer station's entrance guard device 1, visa card 2 and SF6 device room fan 3 all use the existing corresponding device of transformer station.Transformer station's entrance guard device 1 is set with to withdraw a garrison to export and controls node, circulating ventilation control node, deploy troops on garrison duty output fan control node and output door-inhale control node of deploying troops on garrison duty.Visa card 2 uses common rfid card, and it is hand-held by staff, coordinates with transformer station entrance guard device 1 radio communication, turnover substation gate of swiping the card on transformer station's entrance guard device 1 during use.SF6 device room fan 3 is at least provided with 1, it is possible to be arranged in parallel more than 2.
SF6 device room door attraction device 4 installs additional on the gate being arranged on SF6 device room, and SF6 device room door attraction device 4 holds gate and carries out self-locking when being energized, now staff cannot be introduced into SF6 device room；During door attraction device 4 power-off of SF6 device room, gate unlocks, and now staff can enter SF6 device room.
Very first time relay 5 and second time relay 6 are respectively provided with input and control output end.
Emergency unlocking device 7 is it is preferred that arrange.Emergency unlocking device 7 is arranged on doorway, SF6 device room.Emergency unlocking device 7 has normal station and unlocks 2 operating positions of station, and the switching of station is carried out by solving lock key, solves lock key and puts that unlocking key box is unified seals keeping up for safekeeping, enables if desired.Emergency unlocking device 7 can cut off the power supply of SF6 device room door attraction device 4 by solving lock key cutting unlocked position, opened at gate by force when meeting burst emergency.
The input of very first time relay 5 controls node with the output of withdrawing a garrison of transformer station entrance guard device 1 and electrically connects；The outfan of very first time relay 5 controls to electrically connect with the power input of SF6 device room door attraction device 4 and the power input of SF6 device room fan 3.
The input of second time relay 6 controls node with the circulating ventilation of transformer station entrance guard device 1 and electrically connects；The outfan of second time relay 6 controls to electrically connect with the power input of SF6 device room fan 3.
The output fan control node of deploying troops on garrison duty of transformer station's entrance guard device 1 controls to electrically connect with the power input of SF6 device room fan 3；The output door-inhale of deploying troops on garrison duty of transformer station's entrance guard device 1 controls node and controls to electrically connect with the power input of SF6 device room door attraction device 4.
Emergency unlocking device 7 controls to electrically connect with the power input of SF6 device room door attraction device 4.
(application examples)
Transformer station's access control exhaust fan system of the low cost of previous embodiment, it is in use, when staff needs to make an inspection tour SF6 device room or during other work, it utilizes visa card 2 to swipe the card at substation gate mouth, after transformer station's entrance guard device 1 receives the card using information of this staff, the power supply that transformer station's entrance guard device 1 one aspect connects SF6 device room fan 3 by its output control node output control signal of withdrawing a garrison to very first time relay 5 makes SF6 device room fan 3 obtain electric work, very first time relay 5 time synchronisation is after 15 minutes, simultaneously switch off the power supply of fan 3 and SF6 device room, SF6 device room door attraction device 4, SF6 device room fan 3 dead electricity quits work, SF6 device room door attraction device 4 dead electricity unlocks, staff enters the work of SF6 device room；On the other hand transformer station's entrance guard device 1 controls output signal node to second time relay 6 by its circulating ventilation, second time relay 6 is spaced 2 hours 15 minutes first, follow-up connected SF6 device room fan 3 power supply at interval of 2 hours, make its every task 15 minutes, to ensure the air draft when staff is for a long time in SF6 device office work.
When staff works complete leaving, it is swiped the card on transformer station's entrance guard device 1 with visa card 2 again, after transformer station's entrance guard device 1 receives this card using information again deployed troops on garrison duty, the power supply that transformer station's entrance guard device 1 cuts off SF6 device room fan 3 by its output fan control node of deploying troops on garrison duty makes it quit work；Meanwhile, transformer station's entrance guard device 1 obtains electric self-locking by its output door-inhale control node control SF6 device room door attraction device 4 of deploying troops on garrison duty so that system returns original state.
When needing to answer emergency opening SF6 device gate, room when being in an emergency, by solving lock key by emergency unlocking device 7 by normal Switch of working position to unblock station, the power supply of cut-out SF6 device room door attraction device 4, opens gate by force.
To sum up, transformer station's access control exhaust fan system of the low cost of previous embodiment, it utilizes the existing gate control system of transformer station to transform, by adding the time relay, SF6 electrical room gate being installed door attraction device and adds emergency unlocking device etc. and can realize, simple in construction, cost are relatively low, realization is convenient, it is easy to industry is promoted；It is in use, the staff entering SF6 electrical room is needed to need brush visa card to enter, and the fan that brush visa card i.e. starts SF6 electrical room carries out forced ventilation, after ventilating 15 minutes, unlock door-inhale again open the door, staff could enter, thus its ventilation has mandatory, thus can ensure that the personal safety of staff；Can save the waiting time before entering in prior art simultaneously, improve work efficiency；It is by adding emergency unlocking device, when running into burst emergency, can quickly open SF6 electrical room gate, further ensure that the personal safety of staff.
Above example and application examples are the explanations to detailed description of the invention of the present utility model; rather than to restriction of the present utility model; person skilled in the relevant technique is in the case of without departing from spirit and scope of the present utility model; can also make various conversion and change and obtain the technical scheme of corresponding equivalent, the technical scheme of the most all equivalents all should be included into scope of patent protection of the present utility model.
Claims (1)
1. transformer station's access control exhaust fan system of a low cost, including transformer station's entrance guard device (1), visa card (2) and SF6 device room fan (3), it is characterised in that: also include SF6 device room door attraction device (4), very first time relay (5), second time relay (6) and emergency unlocking device (7)；
Described transformer station's entrance guard device (1) is provided with to withdraw a garrison to export and controls node, circulating ventilation control node, deploy troops on garrison duty output fan control node and output door-inhale control node of deploying troops on garrison duty；
SF6 device room door attraction device (4) is arranged on the gate of transformer station's SF6 device room；SF6 device room door attraction device (4) has power input；Very first time relay (5) and second time relay (6) are respectively provided with input and control output end；
Described visa card (2) is connected with transformer station entrance guard device (1) radio communication；The input of very first time relay (5) controls node with the output of withdrawing a garrison of transformer station's entrance guard device (1) and electrically connects；The outfan of very first time relay (5) controls to electrically connect with the power input of SF6 device room door attraction device (4) and the power input of SF6 device room fan (3)；
The input of second time relay (6) controls node with the circulating ventilation of transformer station's entrance guard device (1) and electrically connects；The outfan of second time relay (6) controls to electrically connect with the power input of SF6 device room fan (3)；
The output fan control node of deploying troops on garrison duty of transformer station's entrance guard device (1) controls to electrically connect with the power input of SF6 device room fan (3)；The output door-inhale of deploying troops on garrison duty of transformer station's entrance guard device (1) controls node and controls to electrically connect with the power input of SF6 device room door attraction device (4)；
Emergency unlocking device (7) is arranged on doorway, SF6 device room；Emergency unlocking device (7) controls to electrically connect with the power input of SF6 device room door attraction device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620302243.5U CN205639025U (en) | 2015-10-29 | 2015-10-29 | Low -cost access control exhaust fan system of transformer substation |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851190.8U CN205154713U (en) | 2015-10-29 | 2015-10-29 | Access control exhaust fan system of transformer substation |
| CN201620302243.5U CN205639025U (en) | 2015-10-29 | 2015-10-29 | Low -cost access control exhaust fan system of transformer substation |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520851190.8U Division CN205154713U (en) | 2015-10-29 | 2015-10-29 | Access control exhaust fan system of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639025U true CN205639025U (en) | 2016-10-12 |
Family
ID=55690415
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620302243.5U Expired - Fee Related CN205639025U (en) | 2015-10-29 | 2015-10-29 | Low -cost access control exhaust fan system of transformer substation |
| CN201520851190.8U Expired - Fee Related CN205154713U (en) | 2015-10-29 | 2015-10-29 | Access control exhaust fan system of transformer substation |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520851190.8U Expired - Fee Related CN205154713U (en) | 2015-10-29 | 2015-10-29 | Access control exhaust fan system of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN205639025U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107367024A (en) * | 2017-08-04 | 2017-11-21 | 国网安徽省电力公司合肥供电公司 | A kind of indoor station protection against the tide condensation prevention control method |
| CN107461897A (en) * | 2017-08-04 | 2017-12-12 | 国网安徽省电力公司合肥供电公司 | A kind of indoor station protection against the tide anti-condensation control system |
-
2015
- 2015-10-29 CN CN201620302243.5U patent/CN205639025U/en not_active Expired - Fee Related
- 2015-10-29 CN CN201520851190.8U patent/CN205154713U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN205154713U (en) | 2016-04-13 |
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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: 20161012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |