CN207018181U - A kind of Fire Fighting Pump Control device - Google Patents
A kind of Fire Fighting Pump Control device Download PDFInfo
- Publication number
- CN207018181U CN207018181U CN201720923198.XU CN201720923198U CN207018181U CN 207018181 U CN207018181 U CN 207018181U CN 201720923198 U CN201720923198 U CN 201720923198U CN 207018181 U CN207018181 U CN 207018181U
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- fire
- frequency
- control device
- pump
- control
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Abstract
It the utility model is related to a kind of Fire Fighting Pump Control device, what is solved is the high technical problem of complex operation, human cost, by using including three fire pumps, Fire Fighting Pump Control device includes the frequency-variable controller of one fire pump of control, two industrial frequency control devices of another two fire pumps of control, the fire pump that industrial frequency control device controls is power frequency fire pump, the fire pump that frequency-variable controller controls is frequency conversion fire pump, and an industrial frequency control device is corresponding with a power frequency fire pump to be connected；The Fire Fighting Pump Control device also includes pressure transmitter, PID control instrument and the power module for the power supply of Fire Fighting Pump Control device；Pressure transmitter is used to gather pressure signal, and the PID control instrument is used to track processing pressure signal；Frequency-variable controller is used for the technical scheme for the control for controlling industrial frequency control device to complete fire pump according to PID control instrument output signal, the problem is preferably resolved, in being applied available for Fire Fighting Pump Control.
Description
Technical field
Fire-fighting control device is the utility model is related to, more particularly to a kind of Fire Fighting Pump Control device.
Background technology
In fire pump system, each fire pump is individually controlled by respective frequency-conversion control cabinet, if having for 3 fire-fightings
For pump, it is necessary to process 3 Fire Fighting Pump Control cabinets, the startup for Fire Fighting Pump Control cabinet need to regard pressure condition, selectively start
Stop each fire pump.So processing cost is higher, and each the Control System of Fire Pump is independent of each other connection, it is necessary to which artificial goes to open
The dynamic operation for stopping switch board.
Existing control method is to use manual control, the high technical problem of complex operation, human cost be present.Therefore carry
For a kind of simple, Fire Fighting Pump Control device that cost is low with regard to necessary.
Utility model content
Technical problem to be solved in the utility model is the high skill of complex operation present in prior art, human cost
Art problem.A kind of new Fire Fighting Pump Control device is provided, the Fire Fighting Pump Control device has simple to operate, reliable and stable, manpower
The characteristics of intervention is less, cost is low.
In order to solve the above technical problems, the technical scheme used is as follows：
A kind of Fire Fighting Pump Control device, the fire pump include three fire pumps, and Fire Fighting Pump Control device includes control one
Frequency-variable controller, the two industrial frequency control devices of another two fire pumps of control of platform fire pump, the fire pump of industrial frequency control device control
For power frequency fire pump, the fire pump that frequency-variable controller controls is frequency conversion fire pump, an industrial frequency control device and a power frequency fire-fighting
Pump is corresponding to be connected；The Fire Fighting Pump Control device also includes pressure transmitter, PID control instrument and for Fire Fighting Pump Control device
The power module of power supply；
The pressure transmitter is used to gather pressure signal, and the PID control instrument is used to track processing pressure signal；
The frequency-variable controller is used for the control for controlling industrial frequency control device to complete fire pump according to PID control instrument output signal
System.
Operation principle of the present utility model：Control device manufactures assembling in factory in advance, and the control device is divided into a change
Frequency controls, two industrial frequency controls, and VFC carries out signal acquisition by site pressure pick-up signal and PID control instrument, to frequency conversion
Pump speed is controlled, while transmits a signal to other 2 industrial frequency controls according to pressure condition, when pressure does not reach default want
When asking, start other two industrial frequency controls successively automatically, when pressure meets to require, it is not necessary to which three when running simultaneously, are stopped successively
Only fire-fighting pump operation, so fire-fighting pressure can be controlled accurately, while simplify control scheme, it is cost-effective.
In such scheme, to optimize, further：The Fire Fighting Pump Control device also include respectively with 2 industrial frequency controls
The relay KA7 of device connection is also electrically connected with relay KA8, the relay KA7 and relay KA8 with frequency converter.
Further, the industrial frequency control device is also associated with the hand switch for controlling manually, and the hand switch is used
In manually booting, stop corresponding power frequency fire pump.
Further, the frequency-variable controller is also associated with change-over switch SA, and change-over switch SA is used for selected automatic or hand
Flowing mode controls frequency converter.
Further, the frequency-variable controller also includes the warning device for warning system failure.
Further, the warning device also includes being used for the power frequency alarm unit for alerting power frequency failure.
Further, the Fire Fighting Pump Control device also includes protection switch, and protection switch is located at frequency-variable controller and work
Frequency controller front end, and connected in power module input.
First fire pump uses VFC scheme, collection in worksite to pressure inverting signal be sent to PID control instrument,
PID control instrument carries out pressure tracking adjustment according to preset pressure, existing tracking adjustment method method, and by the pressure after adjustment
Signal sends frequency converter to, and frequency converter is started and speed control to First fire pump according to pressure signal, while by mould
Intend signal output and give other two-way industrial frequency controls.
Wherein, frequency converter automatically controls to 2 general pumps automatically according to pressure signal, when pressure does not reach requirement
When, first pass through auxiliary reclay KA7 and 1# general pumps are controlled, automatic start 1# fire-fighting pump motors.If pressure still reach to less than
Preset requirement, then frequency converter 2# general pumps are controlled by auxiliary reclay KA8, automatic start 2# fire-fighting pump motors, directly
To meeting the constant requirement of pressure.When pressure reaches preset value, PID control instrument will be transmitted between the signal pair in frequency converter after
Electrical equipment KA7 and KA8 coil are powered off, and 2 power frequency startup fire pumps are out of service.
Manually boot in addition, frequency conversion fire pump and power frequency fire pump also have, stop function.If it is automatically stopped startup to be failure to actuate
Or fire pump is not stopped, it is necessary to the operation and stopping of artificial deactivation, stopping No. 3 fire pumps according to preset pressure signal enabling
When, the control system also with the manually booting of frequency converter, stop manually booting, stopping function for function and power frequency fire pump.
The beneficial effects of the utility model：
Effect one, solve because conventional artificial startup stops switch board operation, and production cost can be substantially reduced；
Effect two, by setting protection switch, the possibility that infringement Fire Fighting Pump Control device occurs for failure is reduced, raising can
By property；
Effect three, by setting manual/auto switching mode, enrich usage scenario.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1, it is major loop primary system block diagram.
Fig. 2, it is major loop primary system principle schematic.
Fig. 3, it is VFC circuit system block diagram.
Fig. 4, it is VFC circuit theory figure.
Fig. 5, it is PID control instrument control principle drawing.
Fig. 6, it is two-way industrial frequency control schematic diagram.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining that this practicality is new
Type, it is not used to limit the utility model.
Embodiment 1
Fig. 1, it is major loop primary system block diagram.Fig. 2, it is major loop primary system principle schematic.Fig. 3, it is frequency conversion control
Circuit system block diagram processed.Fig. 4, it is VFC circuit theory figure.Fig. 5, it is PID control instrument control principle drawing.Fig. 6, it is two-way
Industrial frequency control schematic diagram.
The present embodiment provides a kind of Fire Fighting Pump Control device, and such as Fig. 1 and Fig. 2, the fire pump includes three fire pumps, disappeared
Anti- apparatus for controlling pump includes the frequency-variable controller of one fire pump of control, two industrial frequency control devices of another two fire pumps of control,
The fire pump that industrial frequency control device controls is power frequency fire pump, and the fire pump that frequency-variable controller controls is frequency conversion fire pump, a work
The connection corresponding with a power frequency fire pump of frequency controller；The Fire Fighting Pump Control device also includes pressure transmitter, PID control instrument
And the power module for the power supply of Fire Fighting Pump Control device；The pressure transmitter is used to gather pressure signal, the PID controls
Instrument processed is used to track processing pressure signal；The frequency-variable controller is used to control industrial frequency control according to PID control instrument output signal
Device completes the control of fire pump.
Fig. 5 is PID instrument control principle drawings, after the pressure mould analog quantity of collection site, according to preset pressure to signal
It is adjusted and is transferred in frequency converter.
Wherein, the Fire Fighting Pump Control device also includes relay KA7 and the relay being connected respectively with 2 industrial frequency control devices
Device KA8, the relay KA7 and relay KA8 are also electrically connected with frequency converter.Such as Fig. 4, frequency converter gives auxiliary reclay KA7
After KA8 coil power supplies, and the change-over switch of industrial frequency control is arranged to automatic, then auxiliary reclay KA7 and KA8 opened point is closed
Close, give A.C. contactor KM1 and KM2 coil power supply, start KM1 and KM2 main contacts, fire-fighting pump operation.
Preferably, pressure signal interrelated between the control loop of No. 3 fire pumps, being transmitted according to scene, from
Move selective each fire pump of startup/stopping.
Embodiment 2
The present embodiment increases manual control mode on the basis of embodiment 1, enriches user usage scenario, and reduce because
Situation about can not be closed down for automatic system failure.
In detail, the industrial frequency control device is also associated with the hand switch for controlling manually, and the hand switch is used for
Manually boot, stop corresponding power frequency fire pump.
Wherein, the frequency-variable controller is also associated with change-over switch SA, and change-over switch SA is used to select automatic or manual side
Formula controls frequency converter.Such as Fig. 3 and Fig. 4, automatic/stopping/control manually can be carried out to frequency converter by change-over switch SA, when for
When automatically controlling, frequency converter starts according to pressure simulation signal to fire-fighting fire pump.If pressure is still reached to less than default
Value, then frequency converter is powered to auxiliary reclay KA7 and KA8 coil.
Embodiment 3
Further optimization Fire Fighting Pump Control apparatus function, increase alarm fill the present embodiment on the basis of embodiment 1 or 2
Put.
Specifically, frequency-variable controller also includes the warning device for warning system failure as described in Figure 3.
Such as Fig. 5 and Fig. 6, the warning device also includes being used for the power frequency alarm unit for alerting power frequency failure.
Embodiment 4
This city is built up on the basis of embodiment 1,2 or 3, increases the protection work(for frequency-variable controller and industrial frequency control device
Energy.
Specifically, as Fig. 1, the Fire Fighting Pump Control device also include protection switch, protection switch is located at frequency-variable controller
And industrial frequency control device front end, and connected in power module input.
Above-described embodiment, control system is reasonable, can be according to actual pressure signal to each compared with conventional control system
Fire pump start/stop controlling, and have and automatically and manually start/stop function.
Although the illustrative embodiment of the utility model is described above, in order to the art
Technical staff is it will be appreciated that the utility model, but the utility model is not limited only to the scope of embodiment, to this technology
For the those of ordinary skill in field, as long as long as various change in the spirit and scope of the utility model, all utilize this reality
Created with the utility model of new design in the row of protection.
Claims (7)
- A kind of 1. Fire Fighting Pump Control device, it is characterised in that：The fire pump includes three fire pumps, Fire Fighting Pump Control device bag Include frequency-variable controller, the two industrial frequency control devices of another two fire pumps of control of one fire pump of control, the control of industrial frequency control device Fire pump be power frequency fire pump, the fire pump that frequency-variable controller controls is frequency conversion fire pump, an industrial frequency control device and one Power frequency fire pump is corresponding to be connected；The Fire Fighting Pump Control device also includes pressure transmitter, PID control instrument and for fire pump The power module of control device power supply；The pressure transmitter is used to gather pressure signal, and the PID control instrument is used to track processing pressure signal；The frequency-variable controller is used for the control for controlling industrial frequency control device to complete fire pump according to PID control instrument output signal.
- 2. Fire Fighting Pump Control device according to claim 1, it is characterised in that：The Fire Fighting Pump Control device also includes dividing The relay KA7 that is not connected with 2 industrial frequency control devices and relay KA8, the relay KA7 and relay KA8 also with frequency conversion Device is electrically connected with.
- 3. Fire Fighting Pump Control device according to claim 1, it is characterised in that：The industrial frequency control device is also associated with being used for The hand switch controlled manually, the hand switch are used to manually boot, stop corresponding power frequency fire pump.
- 4. Fire Fighting Pump Control device according to claim 1, it is characterised in that：The frequency-variable controller is also associated with changing SA is switched, change-over switch SA controls frequency converter for selecting automatic or manual mode.
- 5. Fire Fighting Pump Control device according to claim 1, it is characterised in that：The frequency-variable controller also includes being used to warn Accuse the warning device of the system failure.
- 6. Fire Fighting Pump Control device according to claim 5, it is characterised in that：The warning device also includes being used to alert The power frequency alarm unit of power frequency failure.
- 7. Fire Fighting Pump Control device according to claim 1, it is characterised in that：The Fire Fighting Pump Control device also includes protecting Shield switch, protection switch is located at frequency-variable controller and industrial frequency control device front end, and is connected in power module input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720923198.XU CN207018181U (en) | 2017-07-27 | 2017-07-27 | A kind of Fire Fighting Pump Control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720923198.XU CN207018181U (en) | 2017-07-27 | 2017-07-27 | A kind of Fire Fighting Pump Control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207018181U true CN207018181U (en) | 2018-02-16 |
Family
ID=61482405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720923198.XU Active CN207018181U (en) | 2017-07-27 | 2017-07-27 | A kind of Fire Fighting Pump Control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207018181U (en) |
-
2017
- 2017-07-27 CN CN201720923198.XU patent/CN207018181U/en active Active
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