CN205960787U - Fan oil station power loop control device - Google Patents
Fan oil station power loop control device Download PDFInfo
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- CN205960787U CN205960787U CN201620993443.XU CN201620993443U CN205960787U CN 205960787 U CN205960787 U CN 205960787U CN 201620993443 U CN201620993443 U CN 201620993443U CN 205960787 U CN205960787 U CN 205960787U
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Abstract
The utility model relates to a fan oil station power loop control device, including power return circuit, control circuit, signal circuit, main power supply, stand -by power supply with can carry out two switching of power devices of switching of power, main power supply and stand -by power supply are connected respectively to the input of two switching of power devices, output connection power return circuit, control circuit and signal circuit connect the power return circuit after being parallelly connected. Compared with the prior art, the utility model, to the power supply at fan oil station and control circuit signal circuit's control empty drive into to have gone independently change the design, fundamentally has solved the problem of the stable of fan oil station operation and reliability.
Description
Technical field
This utility model is related to electronic power supply field, more particularly, to a kind of control device of fan oil station electric power loop.
Background technology
The power supply of existing fan oil station active force loop and standby power loop is generally a road power supply and powers, and power supply is general
Take from boiler MCC, there is not power supply switch logic, when active force loop fault, such as power cable fault etc., will result in only
A road on and off switch QF1 tripping operation, petrol station loses power supply, and standby power loop will be unable to contact and puts into, and only one of which
Control air switch QF3 and control, signal circuit is connected.
Control loop, signal circuit share an air switch and control QF3, in control loop fault, such as catalyst, relay etc.
When burning, being grounded, or signal circuit fault, such as display lamp, alarm lamp etc. burns out, and only one will be caused to control air to open
Close QF3 tripping operation, active force loop and standby power loop will power supply out of hand simultaneously, even if standby power loop interlocked startup instruction
Normal reliable can send, also can close a floodgate unsuccessful because of power supply out of hand, the fortune of blower fan main signal loop and standby signal circuit
Tripped by disappearance rear fan high side switch for (general 5 seconds) by time delay simultaneously for row signal, and high pressure positive blower motor is as fired power generating unit
Important subsidiary engine, if be not normally functioning, impact unit normal output, adjustment improper be will also cause unit chaser, consequence
Extremely serious.
, as station-service low-voltage system power source, electric pressure is low for fan oil station power supply, tends not to cause technical staff enough
Attention, but its irregular operation, high pressure positive blower directly can be caused to trip, other put into operation power plant also once had a lot of because main
Standby (leading) power loop of (standby) power loop fault cannot cause the things such as blower fan tripping operation, bearing shell damage, compressor emergency shutdown by interlocked startup
Therefore occur.So the reliability that the Important Auxiliary equipment petrol station power supply such as blower fan is powered has for the safe and stable operation improving unit
Significance.
Utility model content
Technical problem to be solved in the utility model is for the deficiencies in the prior art, provides a kind of fan oil station power supply
The device of loop independent design.
The technical scheme that this utility model solves above-mentioned technical problem is as follows：A kind of fan oil station electric power loop controls dress
Put, cut with the dual power supply that can carry out power supply switching including power loop, control loop, signal circuit, primary power cource, stand-by power supply
Changing device, the input of described double-power supply switching device connects primary power cource and stand-by power supply respectively, and outfan connects power and returns
Power loop is connected after road, described control loop and signal circuit parallel connection.
The beneficial effects of the utility model are：When mains power failure or power loop fault, double-power supply switching device is certainly
Move and be switched to stand-by power supply, enable power loop normal power supply, do not affect the normal operation of fan oil station, reach raising blower fan
Stability and the purpose of reliability that petrol station is run, fundamentally solve the above problems.
On the basis of technique scheme, this utility model can also do following improvement.
Further, described power loop include active force loop, standby power loop, electric heater, main control air switch,
Standby control air switch and power signal line；Behind described active force loop and electric heater parallel connection, input connects dual power supply switching
Device, outfan connects main control air switch；The input of described standby power loop connects double-power supply switching device, outfan
Connect standby control air switch.
Beneficial effect using above-mentioned further scheme is:When active force loop fault, standby power loop can be normal
Interlocking puts into operation, does not affect the normal operation of fan oil station；In the same manner, when standby power loop fault, active force loop can
Normal interlocking puts into operation, does not affect the normal operation of fan oil station.
Further, described active force loop includes active force loop low pressure fuel pump and active force loop high-voltage oil pump；Described
Standby power loop includes standby power loop low pressure fuel pump and standby power loop high-pressure oil pump；Described active force loop low pressure fuel pump,
After active force loop high-voltage oil pump and electric heater parallel connection, input connects double-power supply switching device, and it is empty that outfan connects main control
Air cock；After described standby power loop low pressure fuel pump and standby power loop high-pressure oil pump parallel connection, input connects dual power supply switching dress
Put, outfan connects standby control air switch.
Beneficial effect using above-mentioned further scheme is：When active force loop low pressure fuel pump or active force loop high-voltage oil
During failure of pump, standby power loop low pressure fuel pump and standby power loop high-pressure oil pump can run, and do not affect fan operation.With
Reason, when standby power loop low pressure fuel pump or standby power loop high-pressure oil pump fault, active force loop low pressure fuel pump and active force
Loop high-voltage oil pump can run, and does not affect fan operation.
Further, described control loop includes active force control loop, controls back for dynamic Control loop and electric heater
Road；Main control air switch, described standby power control is connected after described active force control loop and the parallel connection of electric heater control loop
Loop processed connects standby control air switch.
Beneficial effect using above-mentioned further scheme is：The control air switch of main control loop and standby control loop is only
Vertical, when a control loop fault causes its control air switch to trip, do not affect the normal work of another control loop
Make.
Further, described active force control loop includes the control of active force low pressure fuel pump and active force high-pressure oil pump controls,
Described standby dynamic Control loop includes standby dynamic low oil pump control and standby power high-pressure oil pump controls；Described active force low pressure oil
Main control air switch is connected after pump control, the control of active force high-pressure oil pump and the parallel connection of electric heater control loop；Described standby dynamic
Power low pressure fuel pump controls and controls connection standby control air switch after parallel connection for power high-pressure oil pump.
Beneficial effect using above-mentioned further scheme is：When active force low pressure fuel pump controls or active force high-pressure oil pump control
During fault processed, do not affect the normal work that standby dynamic low oil pump control and standby power high-pressure oil pump control；In the same manner, when standby power
When low pressure fuel pump controls or standby power high-pressure oil pump controls fault, do not affect active force low pressure fuel pump and control and active force hydraulic oil
The normal work that pump controls.
Further, described signal circuit includes main signal loop, standby signal circuit, power supply signal loop and electric heater letter
Number loop；Main control air switch is connected behind described main signal loop and the parallel connection of electric heater signal circuit；Standby signal circuit is even
Connect standby control air switch；Power supply signal loop connects power signal line.
Beneficial effect using above-mentioned further scheme is：The control air switch of main signal loop and standby signal circuit is only
Vertical, when a signal circuit fault causes its control air switch to trip, do not affect the normal work of another signal circuit
Make.
Further, described primary power cource connects unit boiler MCC section, and stand-by power supply connects unit security personnel's MCC section.
Beneficial effect using above-mentioned further scheme is：Primary power cource and stand-by power supply independently of one another, are independent of each other.
Brief description
Fig. 1 is the main block diagram of this utility model fan oil station；
Fig. 2 is this utility model fan oil station power loop internal structure block diagram；
Fig. 3 is this utility model fan oil station control loop signal circuit internal structure block diagram；
In accompanying drawing, the list of parts representated by each label is as follows：
1st, power loop, 2, control loop, 3, signal circuit, 4, double-power supply switching device, 5, primary power cource, 6, standby electricity
Source, 11, active force loop, 12, standby power loop, 13, electric heater, 21, active force control loop, 22, standby dynamic Control returns
Road, 23, electric heater control loop, QF3, main control air switch, QF4, standby control air switch, L09, power signal line,
HL4, main signal loop, HL5, standby signal circuit, HL1, power supply signal loop, HL6, electric heater signal circuit.
Specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example is served only for explaining this practicality
New, it is not intended to limit scope of the present utility model.
As shown in Figure 1, there is shown, this utility model is related to a kind of fan oil station electric power loop control device,
Including power loop 1, control loop 2, signal circuit 3, primary power cource 5, stand-by power supply 6 with power supply switching can be carried out
Double-power supply switching device 4, the input of described double-power supply switching device 4 connects primary power cource 5 and stand-by power supply 6 respectively, defeated
Go out end and connect power loop 1, after described control loop 2 and signal circuit 3 parallel connection, connect power loop 1.Primary power cource takes from machine
Group boiler MCC section, unit security personnel's MCC section taken from by stand-by power supply, and primary power cource and stand-by power supply all have load whole petrol station electricity
The ability in source, therefore they active and standby each other can realize power protection.The effect Shi mono- road power supply event of double-power supply switching device
Automatically switch to another road power supply during barrier, enable power loop normal power supply, do not affect the normal operation of fan oil station.Simultaneously
Put into the power phase shortage of double-power supply switching device, protection, the alarm function such as under-voltage, over-pressed.
As shown in Fig. 2 being this utility model fan oil station power loop figure, including active force loop 11, standby power loop
12nd, electric heater 13, main control air switch QF3, standby control air switch QF4 and power signal line L09；Described active force is returned
Behind road 11 and electric heater 13 parallel connection, input connects double-power supply switching device 4, and outfan connects main control air switch QF3；
The input of described standby power loop 12 connects double-power supply switching device 4, and outfan connects standby control air switch QF4.Typically
In the case of active force loop works, standby power loop is in idle armed state；When active force loop fault, standby power loop
Devote oneself to work immediately, do not affect the normal operation of fan oil station.Active force loop and standby power loop also can put into operation simultaneously,
Strengthen the fan-out capability of fan oil station.
As shown in figure 3, being this utility model fan oil station control loop signal circuit figure, described control loop 2 includes leading
Dynamic Control loop 21, standby dynamic Control loop 22 and electric heater control loop 23；Described active force control loop 21 and electricity
Main control air switch QF3 is connected, it is empty that described standby dynamic Control loop 22 connects standby control after heater control loop 23 parallel connection
Air cock QF4；Described signal circuit 3 includes main signal loop HL4, standby signal circuit HL5, power supply signal loop HL1 and electricity and adds
Hot device signal circuit HL6；Connect main control air after described main signal loop HL4 and electric heater signal circuit HL6 parallel connection to open
Close QF3；Standby signal circuit HL5 connects standby control air switch QF4；Power supply signal loop HL1 connects power signal line L09.Main
Control loop and main signal loop share a control air switch, and standby control loop and the shared control of standby signal circuit are empty
Air cock, when a control loop or signal circuit fault cause its control air switch to trip, does not affect another control
Loop processed and the normal work of signal circuit.
Described active force loop 11 includes active force loop low pressure fuel pump and active force loop high-voltage oil pump；Described standby power
Loop 12 includes standby power loop low pressure fuel pump and standby power loop high-pressure oil pump；Described active force loop low pressure fuel pump, actively
After power loop high-voltage oil pump and electric heater 13 parallel connection, input connects double-power supply switching device 4, and it is empty that outfan connects main control
Air cock QF3；After described standby power loop low pressure fuel pump and standby power loop high-pressure oil pump parallel connection, input connects dual power supply and cuts
Changing device 4, outfan connects standby control air switch QF4.
Described active force control loop 21 includes active force low pressure fuel pump and controls and the control of active force high-pressure oil pump, described standby
Dynamic Control loop 22 includes standby dynamic low oil pump control and standby power high-pressure oil pump controls；Described active force low pressure fuel pump control
Main control air switch QF3 is connected after system, the control of active force high-pressure oil pump and electric heater control loop 23 parallel connection；Described standby dynamic
Power low pressure fuel pump controls and controls connection standby control air switch QF4 after parallel connection for power high-pressure oil pump.Each power-equipment
Corresponding its control device, when certain equipment fault, by the feedback of control device and signalling arrangement it is possible to know
Road is which power-equipment there occurs fault, saves human cost.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (7)
1. a kind of fan oil station electric power loop control device is it is characterised in that include power loop (1), control loop (2), letter
Number loop (3), primary power cource (5), stand-by power supply (6) and the double-power supply switching device (4) that power supply switching can be carried out, described double electricity
The input of source switching device (4) connects primary power cource (5) and stand-by power supply (6) respectively, and outfan connects power loop (1),
Power loop (1) is connected after described control loop (2) and signal circuit (3) parallel connection.
2. according to claim 1 a kind of fan oil station electric power loop control device it is characterised in that described power loop
(1) active force loop (11), standby power loop (12), electric heater (13), main control air switch (QF3), standby control are included
Air switch (QF4) and power signal line (L09)；After described active force loop (11) and electric heater (13) parallel connection, input connects
Connect double-power supply switching device (4), outfan connects main control air switch (QF3)；The input of described standby power loop (12)
Connect double-power supply switching device (4), outfan connects standby control air switch (QF4).
3. according to claim 2 a kind of fan oil station electric power loop control device it is characterised in that described active force loop
(11) active force loop low pressure fuel pump and active force loop high-voltage oil pump are included；Described standby power loop (12) includes standby power and returns
Road low pressure fuel pump and standby power loop high-pressure oil pump；Described active force loop low pressure fuel pump, active force loop high-voltage oil pump and electricity
After heater (13) parallel connection, input connects double-power supply switching device (4), and outfan connects main control air switch (QF3)；Institute
After stating standby power loop low pressure fuel pump and standby power loop high-pressure oil pump parallel connection, input connects double-power supply switching device (4), defeated
Go out end and connect standby control air switch (QF4).
4. according to claim 2 a kind of fan oil station electric power loop control device it is characterised in that described control loop
(2) active force control loop (21), standby dynamic Control loop (22) and electric heater control loop (23) are included；Described active force
Main control air switch (QF3), described standby power control is connected after control loop (21) and electric heater control loop (23) parallel connection
Loop (22) processed connects standby control air switch (QF4).
5. according to claim 4 a kind of fan oil station electric power loop control device it is characterised in that described active force control
Loop (21) includes active force low pressure fuel pump and controls and the control of active force high-pressure oil pump, and described standby dynamic Control loop (22) includes
Standby dynamic low oil pump control and standby power high-pressure oil pump control；Described active force low pressure fuel pump controls, active force high-pressure oil pump
Main control air switch (QF3) is connected after control and electric heater control loop (23) parallel connection；Described standby dynamic low oil pump control
After system and standby power high-pressure oil pump control parallel connection, connection is standby controls air switch (QF4).
6. according to claim 2 a kind of fan oil station electric power loop control device it is characterised in that described signal circuit
(3) main signal loop (HL4), standby signal circuit (HL5), power supply signal loop (HL1) and electric heater signal circuit are included
(HL6)；Main control air switch is connected after described main signal loop (HL4) and electric heater signal circuit (HL6) parallel connection
(QF3)；Standby signal circuit (HL5) connects standby control air switch (QF4)；Power supply signal loop (HL1) connects power signal line
(L09).
7. according to any one of claim 1-6 a kind of fan oil station electric power loop control device it is characterised in that primary electricity
Source (5) connects unit boiler MCC section, and stand-by power supply (6) connects unit security personnel's MCC section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993443.XU CN205960787U (en) | 2016-08-30 | 2016-08-30 | Fan oil station power loop control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620993443.XU CN205960787U (en) | 2016-08-30 | 2016-08-30 | Fan oil station power loop control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205960787U true CN205960787U (en) | 2017-02-15 |
Family
ID=57979154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620993443.XU Expired - Fee Related CN205960787U (en) | 2016-08-30 | 2016-08-30 | Fan oil station power loop control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205960787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877319A (en) * | 2017-04-05 | 2017-06-20 | 韩守相 | A kind of fan oil station power connection structure |
-
2016
- 2016-08-30 CN CN201620993443.XU patent/CN205960787U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877319A (en) * | 2017-04-05 | 2017-06-20 | 韩守相 | A kind of fan oil station power connection structure |
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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: 20170215 Termination date: 20170830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |