CN107327394A - A kind of mechanical starter by force for Firefighting Pump Control cabinet - Google Patents
A kind of mechanical starter by force for Firefighting Pump Control cabinet Download PDFInfo
- Publication number
- CN107327394A CN107327394A CN201610273219.8A CN201610273219A CN107327394A CN 107327394 A CN107327394 A CN 107327394A CN 201610273219 A CN201610273219 A CN 201610273219A CN 107327394 A CN107327394 A CN 107327394A
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- Prior art keywords
- mechanical
- contactor
- mechanical arm
- force
- fire
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
Abstract
The invention discloses a kind of mechanical starter by force for Firefighting Pump Control cabinet, including a bottom plate, the side upper end of bottom plate is provided with primary connection terminal, secondary wiring terminals are installed in the lower end of the side, one, contactor is installed between secondary wiring terminals, one mechanical arm is installed on the contactor, mechanical spring is installed in mechanical arm, one emergency machine handle is installed on mechanical arm, mechanical spring is in free state, pull emergency machine handle, transferred power to by mechanical spring on mechanical arm, one adjustable assister bar is installed on mechanical arm, mechanical arm is set to be pressed onto on the main contact of contactor by moving down for adjustable assister bar.The spring length of the present invention is usually free state, and energy storage is completed with release in push rod progradation when machinery is opened by force.Control loop+mechanical energy storage mode of operation, can really ensure the possibility that the startup of motor occurs without electric arc, realize reliably and securely startup truly.
Description
Technical field
It is used for Firefighting Pump Control cabinet the present invention relates to a kind of starter by force, more particularly to one kind
Mechanical starter by force.
Background technology
Associated specifications, standard are explained first：On specification GB50974-2014
Explicitly pointed out on strong bar 11.0.12：Firefighting Pump Control cabinet should set mechanical emergency to open pumping function, and
It should ensure that when the control circuit in switch board breaks down by there is the personnel of administration authority to open when urgent
Dynamic fire pump, when mechanical emergency starts, it should be ensured that fire pump normal work in 5min after alarm
Make.This is compulsive clause, it is necessary to strict implement.The light current such as pressure switch, flow switch are believed
Number and hand-drawn wire be by relay come automatic start fire pump, if weak electric signal hinder for some reason or
When relay failure is unable to automatic or manual startup fire pump, the machinery that should be set by fire pump room
Emergency starting device starts fire pump.When the control circuit in Fire Fighting Pump Control cabinet break down without
When can make fire pump automatic start, if the repairing for carrying out excluding line fault immediately can be by personnel
Quality, temporal limitation, so can not possibly in emergency circumstances occur what fire-fighting occurred.
As long as causing fire pump in the case of power supply is normal for the regulation of this this bar, no matter control circuit
How can force start, to ensure the promptness of fire attack.The mechanical emergency starter exists
It must be carried out during operation by authorised person, and now from alarm to the normal fortune of fire pump
The time turned not should be greater than 5 minutes, and this time contains administrative staff from control room to fire pump
The time in room, and water pump is from the time for starting to normal work.
Explanation of the external industry on this strong bar：
1st, the national and corresponding international standard of the execution reference of the strong opening device of fire pump machinery
1)、GB/T 21208-2007/IEC/TS 62091：2003, MOD《Low tension switch is set
The controller of the standby and fixed fire-fighting pump controller of control device》
2), National Fire Protection Association (NFPA) NFPA 20-2007
3), IEC IEC 62091-2007
2nd, " the urgent operation control of fire pump controller as defined in three above-mentioned domestic and external standards
System " or " emergency machine operation control ", are the requirement for opening mechanical emergency pumping function, can conduct
The foundation of manufacture Fire Fighting Pump Control cabinet is designed and produced, is now taken passages as follows：
2.1 standard GB/Ts/T 21208-2007/IEC/TS 62091：2003, MOD《It is low
The controller of voltage switching station and the fixed fire-fighting pump controller of control device》
The 8.5.1.2 articles：" the urgent operation control of the urgent operation control controller of controller can
With by a Mechanical Driven (such as the mechanically actuated of one contactor) or by a standby switch
Electrical equipment (such as contactor, hand switch) is completed ...
The urgent operation control of controller should reach A priority in the following manner：
A) should provide urgent operation device is used for the non-automatic starting of motor and the operation continuously run；
B) urgent operation device should be able to be latched in run location, mechanical caging should not be it is automatic,
Should be that operator is selectable；
C) manual emergency actuator should be designed to only move to direction, i.e., from open position to
Final run location；
D) other positions in addition to running locked position of coupler, if operator discharges manual emergency
Actuator, controller should be able to automatically return to open position.
2.2 IEC IEC 62091-2007《Low voltage switch equipment and control are set
The controller of standby fixed fire-fighting pump controller》, it is the provision taken passages and translated below：“8.5.1.2
The urgent operation control of the urgent operation control controller of controller can be by a Mechanical Driven (example
Such as the mechanically actuated of a contactor) or by switching device (such as contactor, hand of a redundancy
Dynamic switch etc.) complete.The switching device of this redundancy should be mechanically operable, with prevention and control
Power loss processed or the failure of other control circuit devcies ".
National standard GB/T21208-2007/IEC/TS 62091：2003, MOD modifications use IEC/TS
62091：2003 standards, are compared with national standard, and we are " redundant electrical switching
Device " is translated as：" switching device of redundancy ", national standard is then " standby device for switching ".Separately
Outside, the second word is the switching device requirement to redundancy, does not have the words inside national standard,
It is other be with national standard on " A priority " IEC standard as.
2.3 National Fire Protection Association (NFPA) standard NFPA 20-2007《Fixed fire pump installs standard》,
It is the provision taken passages and translated below：
10.5.3.2 the emergency machine operation control of controller：
10.5.3.2.1 controller, which must be provided with a urgent operation handle or action bars, is used for machinery
Switching mechanism on ground closure motor circuit.
10.5.3.2.1.1 handle or action bars should provide nonautomatic, the continuous operation behaviour of motor
Make, the operation is independent of any electric control circuit, electromagnet or equivalent device, also independent of pressure
The control of power switch.
10.5.3.2.1.2 this method should be able to be manually operated so that handle or action bars mechanical latching,
Or it is maintained at startup position.
Should be that operator is selectable 10.5.3.2.1.3 mechanical latching should not be automatic.
10.5.3.2.2 handle or action bars should be arranged to only move to a direction, i.e., from disconnection position
Put final run location.
10.5.3.2.3 in addition to full run location, operator is in any position release lever or operation
Bar, motor starter should be able to automatically return to open position.”
Understood according to above-mentioned standard and thought：Realize that mechanical emergency opens pump, first, fire pump is electronic
The main circuit of machine need to set a kind of switching mechanism (such as contactor) for being mechanically driven closure or
The switching device of one redundancy, the switching device of this redundancy should be mechanically operable；Secondly,
Need to set a urgent operation handle or action bars on Fire Fighting Pump Control cabinet, mechanically to close
Close the switching device for stating switching mechanism or redundancy.
Prior art brief introduction：1st, from the point of view of the prior art according to disclosed in certain domestic company, only aside
Add the breaker of one group of slightly larger point of (two groups) capacity in cupboard (individually thering is one to open cabinet by force),
Realize that so-called machinery opens function by force using the Wai Cao mechanisms of breaker.2nd, it is another in the prior art,
For mechanical emergency startup function in active response GB50974-2014, finally develop
OL-ES-QY, OL-ES-JY type mechanical emergency starter, there is provided emergent open pump actuator,
Water pump control cabinet before comparing on panel has had more a mechanical actuation switches, by the personnel having permission
Insert key operation.Pass through the setting in Redundant Control loop, it is ensured that the feelings of main control loop total failure
Under condition, remain able to open pump by standby emergency operation mechanism, open the pump time in 5min.Ensure
Full voltage starting mode and reduced-voltage starting mode can meet the requirement of emergency starting.This device can guarantee that
Under the conditions of power supply is normal, no matter circuit how can force start, not only active response
GB50974-2014《Fire water-supply and hydrant system technical specification》In strong bar requirement, be even more
Ensure that the promptness of fire attack, for our fire supply system it is prominent in case of fire when from it is double
The effect of insurance.
But above-mentioned present technology still suffers from many disadvantages：Strong open of machinery that prior art 1 is used only exists
The open circuit of one group of slightly larger point of (two groups) capacity is added in side cupboard (individually thering is one to open cabinet by force)
Device, realizes that so-called machinery opens function by force using the Wai Cao mechanisms of breaker, and its mode is used for non-star
- angle Starting mode is also possible to, but is run into star angle and started control loop, and strong open of its machinery can not
By can accomplish that two breakers close a floodgate simultaneously.Do not know to whether there is using chain-type drive mechanism and did similar
Load test, Feasible degree again can be how highThose skilled in the art are not known as bypass yet simultaneously
The air-break opened by force selects much redundancies to be suitable, and the demonstration of correlation is can not find at present.Existing skill
The strong non-real machinery of function that opens of so-called machinery is opened by force in art 2, is only to meet national standard
GB50974-2014《Fire water-supply and hydrant system technical specification》11.0.8 provisions regulation,
I.e.：Fire pump, stabilized pressure pump should set and force termination of pumping button on the spot, and should have protection device.
But this also non-strong bar, it is difficult to obtain the accreditation of art personnel in the industry.
The content of the invention
Start by force for the mechanical of Firefighting Pump Control cabinet it is an object of the invention to provide a kind of
Device, emergency starting is essentially full voltage starting, and its starting current can reach the 8~10 of equipment rated current
Times, while to avoid the occurrence of arc phenomenon, contact quickly conjunction point, is solved when closure or cutoff circuit
The shortcoming that prior art is present.
The present invention adopts the following technical scheme that realization：
A kind of mechanical starter, an including bottom plate by force for Firefighting Pump Control cabinet,
The side upper end of the bottom plate is provided with primary connection terminal, and secondary connect is provided with the lower end of the side
Line terminals, are provided with contactor, it is characterised in that described between first and second binding post
It is provided with a mechanical arm, the mechanical arm and is provided with mechanical spring, mechanical arm on contactor
One emergency machine handle is installed, mechanical spring is in free state, pulls emergency machine handle,
Transferred power to by mechanical spring on mechanical arm, be provided with the mechanical arm one it is adjustable
Assister bar, makes mechanical arm directly be pressed onto the contact by moving down for the adjustable assister bar
On the main contact of device.
Further, it is provided with a protection shell, the protection shell and is provided with the bottom plate
Sliding groove.
Further, action authority barrier device is installed on the sliding groove.
The method have the benefit that：1st, realize depend merely on it is purely mechanic come realize machinery open by force,
Machinery can be only relied in control loop dead electricity or control system failure can just make probe of contactor
Quick-make under external force, completes the startup of pump motor.The startup time is short, reliability
It is high.The program realizes the strong main contactor for opening control system utilize or former of machinery, does not increase
The added burden of equipment, major loop without it is any change reduce electrical equipment failure generation can
Energy.
2nd, the spring that the program is used is chronically at energy storage position, and prolonged stretching or compression all can
Performance is caused to reduce, it is impossible to ensure its releasing effect, plan makes into be usually free state, and machinery is strong
Energy storage is completed with release in push rod progradation when opening, i.e., first energy storage discharges stored energy immediately,
Make contactor quick-make.
3rd, control loop+mechanical energy storage mode of operation：I.e. in emergency machine handle progradation,
Mechanism acts limit switch in advance, and the limit switch contact is turned at once, so as to close standby redundancy
Control loop, such as control loop (directly being accessed from main busbar) obtain electric, directly adhesive can contact
Device, completes electrically activating.Such as non-transformer importing, then the push rod for continuing to promote can be achieved finally
Machinery opens function by force.This scheme can really ensure the possibility that the startup of motor occurs without electric arc, real
Now reliably and securely startup truly.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of mechanical starter by force of the invention.
Fig. 2 is the schematic diagram for protecting shell.
Fig. 3 is that the schematic diagram after shell is protected in starter assembling by force.
Fig. 4 is the mechanical starter internal structure schematic diagram by force at another visual angle.
Fig. 5 is the mechanical starter internal structure schematic diagram by force at another visual angle.
Fig. 6 is the schematic diagram before starting operation by force.
Fig. 7 is the schematic diagram after starting operation by force.
Embodiment
By the following description to embodiment, it will more contribute to the public understanding present invention, but can not
Specific embodiment given by applicant should not be also considered as to the limitation to technical solution of the present invention,
Any definition to part or technical characteristic is changed and/or overall structure is made form rather than real
The conversion of matter is regarded as the protection domain that technical scheme is limited.
Description of reference numerals：Primary connection terminal 1.1, it is protection shell 1.3, bottom plate 1.4, secondary
Binding post 1.5, emergency machine handle 1.6, action authority 1.7, mechanical arm 1.8, mechanical spring
1.9th, mechanical fixed part 2.0, limit switch 2.1, adjustable assister bar 2.2
Primary connection terminal 1.1：For the reserved binding post of primary line in Fire Control Cabinet, fire tower
Tool, which is opened by force, to be directly connected across the primary line on contactor on primary connection terminal, makes it when in use
It can be directly accessed in corresponding Fire Control Cabinet.
Contactor 1.2：Low current controls large current load, can be with far distance controlled, while can be with
Self-locking is interlocked, and prevents misoperation from causing the accident, due to being Small current control so that protection circuit letter
It is single reliable.Fire-fighting machinery is strong open in contactor utilize or former control system main contactor,
The added burden of equipment is not increased, a major loop is changed without any, reduces equipment electric
The possibility that failure occurs.
Protect shell 1.3：The outer cover port protection that anti-machinery is opened by force is not only mechanical protection shell,
It is also equipped with being grounded, shield and waiting measure.
Bottom plate 1.4：Bottom plate is filled to install for regular adjustable-crossbeam.
Secondary wiring terminals 1.5：Secondary wiring terminals are with primary connection terminal without the pass in any principle
Connection；Contactor action is faster, and injury of the electric arc to contact is smaller, if only by the dynamic of mechanical handle
Make to close or disconnect contactor, because of slow movement contact can be caused to damage, although be this to damage
Wound is acceptable in case of fire.But, in order to reduce this damage, applicant as far as possible
In still such a travel switch, mechanical push rods progradation, the leading actuating length of mechanism opens
Close, the trip switch contact is turned at once, directly allows contactor coil to obtain electric, if now contactor
Coil is intact, main noddle on contactor will electrically quick-make (prior to machinery mode) from
And complete the startup of fire-fighting equipment.Imported such as non-transformer or contactor coil failure then continues promoting
Push rod is that final fire-fighting machinery can be achieved to open function by force.This scheme can really ensure opening for motor
The dynamic possibility occurred without electric arc, realizes reliably and securely startup truly.
Secondary wiring terminals control the adhesive of large current load contactor, fire-fighting machinery with low current
By force open the coil of two contactors to be thrown on secondary wiring terminals and be easy to housing external connection, and limit
Prescribing for bit switch is thrown on secondary wiring terminals；It can be touched in the stroke of emergency machine handle
Send out limit switch, limit switch action one passive on-off model of output, when contactor is complete
During adhesive, the auxiliary contact of contactor can also follow action one passive on-off model of output,
In addition the coil of contactor has also been left on secondary wiring terminals in advance, fire-fighting machinery is opened dress by force
Put and can adapt in various Machine Designs.
Emergency machine handle 1.6：The starting source for the machine power that fire-fighting machinery is opened by force.
Act authority 1.7, lockhole 1.7.1：Act the reserved of authority to be directly welded onto shell, be allowed to
Do not disconnect firmly, user can add specific authority utensil according to the design of itself.
Mechanical arm 1.8, mechanical spring 1.9, adjustable assister bar 2.2：The long-term free state of spring,
Do not influence spring life.Energy storage is completed with release in push rod progradation when fire-fighting machinery is opened by force,
I.e. first energy storage discharges stored energy immediately, makes contactor quick-make.
Limit switch 2.1：Limit switch can be triggered in the stroke of emergency machine handle, it is spacing to open
Pass action output one passive on-off model, when the complete adhesive of contactor, contactor it is auxiliary
Contact is helped also to follow action one passive on-off model of output.
The mechanical starter by force for Firefighting Pump Control cabinet as shown in Figures 1 to 7,
Including a bottom plate 1.4, it is provided with bottom plate 1.4 on a protection shell 1.3, protection shell 1.3
Sliding groove is provided with, is provided with sliding groove on action authority barrier device 1.7, the side of bottom plate 1.4
End is provided with primary connection terminal 1.1, and secondary wiring terminals 1.5 are provided with the lower end of the side,
Contactor 1.2 is installed between first and second binding post, a machine is installed on contactor 1.2
Be provided with tool arm 1.8, mechanical arm 1.8 on mechanical spring 1.9, mechanical arm 1.8 be provided with one should
Anxious mechanical handle 1.6.Mechanical spring 1.9 is in free state, pulls emergency machine handle 1.6, leads to
Cross mechanical spring 1.9 to transfer power on mechanical arm 1.8, one is provided with mechanical arm 1.8 can
Mode assister bar 2.2, makes the directly pressure of mechanical arm 1.8 by moving down for adjustable assister bar 2.2
Onto the main contact of contactor 1.2, contactor is set to obtain quickly mechanical adhesive, fire-fighting machinery is opened by force
The assister bar on mechanical arm used is changed to adjustable assister bar, it is ensured that contact is in purely mechanic effect
Under can adhesive in place, greatly improve security performance, reduce because in the presence of purely mechanic
The arc phenomenon of contactor adhesive generation not in place.
The crucial part of the present embodiment includes：Limit switch is added in linkage, emergent
Limit switch can be triggered in the stroke of mechanical handle, limit switch action output one is passive
On-off model, when the complete adhesive of contactor, the auxiliary contact of contactor can also follow action defeated
Go out a passive on-off model, it is first outside the coil of contactor be also left to secondary connection in advance
On terminal, the strong opening device of fire-fighting machinery is set to can adapt in various Machine Designs.
1st, the mechanical strong spring used that opens of fire-fighting is in usually for free state, energy storage when machinery is opened by force
Completed with release in push rod progradation, i.e., first energy storage discharges stored energy immediately, makes contact
Device quick-make, can all cause performance to reduce in the absence of prolonged stretching or compression.
2nd, Redundant Control loop+mechanical energy storage mode of operation：I.e. in emergency machine handle progradation
In, mechanism acts limit switch in advance, and the limit switch contact is turned at once, so as to close standby
Redundant Control loop, such as control loop (directly being accessed from main busbar) obtain electric, can directly adhesive
Contactor, completes electrically activating.Such as non-transformer importing, then the push rod for continuing to promote can be achieved most
Whole machinery opens function by force.This scheme can really ensure the possibility that the startup of motor occurs without electric arc,
Realize reliably and securely startup truly.
3rd, the strong mechanical arm used that opens of fire-fighting machinery is changed to adjustable mechanical arm, and two ends are changed to screw rod tune
Section, it is ensured that contact in the presence of purely mechanic can adhesive in place, greatly improve security performance,
Reduce because of the arc phenomenon of the contactor adhesive generation not in place in the presence of purely mechanic.
4th, examination main noddle on contactor performance indications method be mostly using the quick acting of electromagnet as
Premise, contactor action is faster, and injury of the electric arc to contact is smaller, if tightly leaning on mechanical handle
Action close or disconnect contactor, because of slow movement contact can be caused to damage, although this
It is acceptable in case of fire to plant damage.But, in order to reduce this damage as far as possible, I
Company devises such a limit switch, when the operating personnel having permission are from stop position to fortune
When line position puts pulling, the limit switch is acted first, in the case where control loop is paralysed, directly
Contactor coil is allowed to obtain electric, if now contactor coil is intact, main noddle on contactor is by with the side of electricity
Formula quick-make (prior to the mode of machinery) is so as to complete the startup of fire-fighting equipment, if contactor line
Circle failure then mechanically closes contactor.
5th, the possible decades hardly possible of fire is met, exactly because fire probability very little, more should be long-term
Taken effective measures in regular maintenance, servicing operations, reduce damage, once fire occurs,
It can guarantee that the smooth implementation of emergency starting.Company is made that huge effort, maximum limit in this respect
The loss for reducing life and property of degree.
The important technological parameters of the present embodiment：
Mounting means：Formula is installed in cabinet
Input parameter：Input power AC380V
Power output：It is adjustable according to specific fire-fighting equipment
Output form：Passive switch amount
Output capacity：1A AC220V
Mode of operation：Manually operated/manually operated+electric adhesive
Environment temperature：- 20 DEG C~+55 DEG C
Ambient humidity：Relative humidity≤95%
Height above sea level：＜ 4500m
Degree of protection：IP30
Appearance and size：It is adjustable according to specific fire-fighting equipment
The design feature of the present embodiment product：1st, the strong opening device of the mechanical emergency of mechanically operable.2、
Action bars is only moved to a direction, i.e., from open position to final run location.3rd, except fortune
Other positions beyond row locked position of coupler, if operator discharges manual emergency actuator, controller
Open position should be able to be automatically returned to.4th, mechanical spring energy storage starts, and energy storage type quick-make is machine
The reliable selection that tool is opened by force, is the guarantee of equipment safety in electrically activating running, and spring is long
Phase free state, does not influence spring life.Energy storage is advanced over release in push rod when machinery is opened by force
Completed in journey, i.e., first energy storage discharges stored energy immediately, makes contactor quick-make.5th, machinery is strong
The main contactor of control system utilize or former is opened, does not increase the added burden of equipment, once
Major loop is without any possibility changed, reduce electrical equipment failure generation.6th, emergency machine hand
In handle progradation, mechanism acts limit switch in advance, and the limit switch contact is turned at once, from
And standby redundancy control loop is closed, such as control loop (directly being accessed from main busbar) obtains electric,
Can direct adhesive contactor, complete electrically activating.Such as non-transformer importing, then continue the push rod promoted
Final machinery can be achieved and opens function by force.This scheme can really ensure the startup of motor without electric arc
The possibility of generation, realizes reliably and securely startup truly.
Fire-fighting mechanical emergency opens by force motion flow：When occurring, condition of a fire pressure switch, flow switch etc. are weak
Electric signal and hand-drawn wire are come automatic start fire pump, if weak electric signal is for some reason by relay
When barrier or relay failure are unable to automatic or manual startup fire pump, it should be set by fire pump room
Mechanical emergency starter starts fire pump.When the control circuit in Fire Fighting Pump Control cabinet breaks down
And when can not make fire pump automatic start, if the repairing for carrying out excluding line fault immediately can be by
Peopleware, temporal limitation, occur in emergency circumstances, ensureing life and wealth in fire-fighting
Our fire-fighting equipment of production safety unconditional must be behaved, and fire-fighting machinery at this time is opened by force
Necessity be just able to sufficiently embody.When such situation occurs, the work having permission
Personnel open authority lock and pull connecting rod to be that contactor adhesive fire-fighting equipment starts, and danger is alleviated.
Certainly, the present invention can also have other various embodiments, without departing substantially from spirit of the invention and its
In the case of essence, those skilled in the art can make various corresponding according to the present invention
Change and deform, but these corresponding changes and deformation should all belong to appended claims of the invention
Protection domain.
Claims (3)
1. a kind of mechanical starter, an including bottom plate by force for Firefighting Pump Control cabinet,
The side upper end of the bottom plate is provided with primary connection terminal, and secondary connect is provided with the lower end of the side
Line terminals, are provided with contactor, it is characterised in that described between first and second binding post
It is provided with a mechanical arm, the mechanical arm and is provided with mechanical spring, mechanical arm on contactor
One emergency machine handle is installed, mechanical spring is in free state, pulls emergency machine handle,
Transferred power to by mechanical spring on mechanical arm, be provided with the mechanical arm one it is adjustable
Assister bar, makes mechanical arm directly be pressed onto the contact by moving down for the adjustable assister bar
On the main contact of device.
2. according to claim 1 start dress by force for the mechanical of Firefighting Pump Control cabinet
Put, it is characterised in that be provided with a protection shell, the protection shell and open on the bottom plate
There is sliding groove.
3. according to claim 2 start dress by force for the mechanical of Firefighting Pump Control cabinet
Put, it is characterised in that action authority barrier device is installed on the sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273219.8A CN107327394A (en) | 2016-04-29 | 2016-04-29 | A kind of mechanical starter by force for Firefighting Pump Control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610273219.8A CN107327394A (en) | 2016-04-29 | 2016-04-29 | A kind of mechanical starter by force for Firefighting Pump Control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107327394A true CN107327394A (en) | 2017-11-07 |
Family
ID=60193158
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610273219.8A Pending CN107327394A (en) | 2016-04-29 | 2016-04-29 | A kind of mechanical starter by force for Firefighting Pump Control cabinet |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443127A (en) * | 2018-03-26 | 2018-08-24 | 苏勇 | A kind of contactor type star triangle pressure reducing mechanical is emergent to open pump installation |
| CN109245618A (en) * | 2018-11-20 | 2019-01-18 | 北京明日电器设备有限责任公司 | A kind of mechanical star-triangle start device of motor |
| CN110098576A (en) * | 2019-06-15 | 2019-08-06 | 广东长悦电气有限公司 | A kind of high-voltage electric Fire Fighting Pump Control cabinet opening pump installation with emergency machine |
| CN112863940A (en) * | 2021-01-11 | 2021-05-28 | 湖南耐普泵业股份有限公司 | Fire pump control cabinet opens device by force |
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| CN109245618A (en) * | 2018-11-20 | 2019-01-18 | 北京明日电器设备有限责任公司 | A kind of mechanical star-triangle start device of motor |
| CN110098576A (en) * | 2019-06-15 | 2019-08-06 | 广东长悦电气有限公司 | A kind of high-voltage electric Fire Fighting Pump Control cabinet opening pump installation with emergency machine |
| CN112863940A (en) * | 2021-01-11 | 2021-05-28 | 湖南耐普泵业股份有限公司 | Fire pump control cabinet opens device by force |
| CN112863940B (en) * | 2021-01-11 | 2022-09-23 | 湖南耐普泵业股份有限公司 | Fire-fighting water pump control cabinet forced opening device |
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