CN112412762A - Emergency starting device for full-pressure starting type fire pump - Google Patents
Emergency starting device for full-pressure starting type fire pump Download PDFInfo
- Publication number
- CN112412762A CN112412762A CN202011208234.7A CN202011208234A CN112412762A CN 112412762 A CN112412762 A CN 112412762A CN 202011208234 A CN202011208234 A CN 202011208234A CN 112412762 A CN112412762 A CN 112412762A
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- Prior art keywords
- starting
- pump
- emergency
- starting device
- motor
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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
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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
- F04B49/06—Control using electricity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The application discloses emergent starting drive of total pressure start-up type for start emergent pump that opens, this starting drive includes: the driving part, the triggering part and the transmission part are connected with the driving part and the triggering part; the trigger part is arranged between the power supply input end of the motor of the emergency starting pump and the power supply output end of the external power supply; the driving part responds to the starting operation of a user and controls the triggering part to conduct the telecommunication connection between the motor of the emergency starting pump and an external power supply so as to start the motor of the emergency starting pump; the driving part controls the triggering part to cut off the telecommunication connection between the motor of the emergency starting pump and the external power supply in response to the closing operation of the user so as to close the motor of the emergency starting pump. This emergent starting drive of total pressure start-up type, the emergent pump that starts of machinery direct operation major loop contactor need not increase other switching device and circuit, and the configuration is succinct in circuit and the cabinet, easily overhauls.
Description
Technical Field
The invention relates to the technical field of fire fighting. And more particularly, to an emergency starting device for a full-pressure starting type fire pump.
Background
The national standard GB50974 applied on 1/10/2014-: the fire pump control cabinet is provided with a mechanical emergency pump starting function; this specification is only emphasized in the written description: as long as the power supply is normal, the forced start can be performed regardless of the control line, and further details and embodiments for achieving the function are not mentioned; therefore, the mechanical emergency pump starting function provided by the standard makes fire pump control equipment manufacturers have no choice, and with the gradual popularization of mandatory 'standard', the manufacturers continuously release their products.
The mainstream products are introduced simply; the first category of products: through addding redundant switching device, the device installs the outer handle that extends of cabinet additional, and its power input and power take off and original fire pump switch board major loop take the parallel mode to be connected, promptly, have addd redundant power return circuit, when the fire pump switch board can not start the fire pump anyway, this switching device of manual combined floodgate realizes emergent pump opening. The switch device is a mechanical emergency pump starting device which is most widely used in the market at present, and a main circuit diagram is shown in figure 1; although the product of the mechanical emergency starting fire pump also meets the 'standard' requirement to a certain extent, the conventional fire pump control equipment is provided with the redundant switch device in a built-in manner, the cabinet is internally provided with complex assembly and primary electric loop, a fault point is increased, the equipment is independently arranged, a large space is additionally occupied, and the cost of the fire pump control equipment is greatly increased.
The second type of products: is an emergency button scheme. An emergency control button is additionally arranged on the control cabinet surface. The button is directly connected with a main loop contactor coil without an intermediate relay, and the main contact is closed and electrified to start the pump. According to GB277895.5-2011 fixed fire-fighting water supply equipment fire-fighting dual-power water supply equipment 5.4.2.1 and GB50974-2014 11.0.8, emergency control can be really realized, but the scheme is simple, changes to the traditional control cabinet are minimum, the operability is strong, only the interlocking design of a control circuit needs to be fully considered when a secondary control loop is designed, and short circuit caused by misoperation is avoided, but the scheme confuses the concepts of mechanical and manual emergency starting and emergency starting, and cannot meet the requirements of national standard strength;
the third product category: is a secondary loop mechanical emergency control scheme. The mechanical handle is additionally arranged on the control cabinet, mechanical force transmitted by the mechanical handle directly acts on the relay to control the action of the contact, so that the coil of the main loop contactor is electrified, the main contact is closed, the pump is started through electrification, and the scheme is adopted by the related standards and enterprises of the NFPA in the United states. Although the scheme is started by a mechanical handle, the requirement of the GB50974-2014 No. 11.0.12 is not met because the pump starting process still needs to pass through a control circuit. Moreover, the maneuverability of the solution is also poor, the mechanism is unreliable in operation and cannot operate stably, and the cost for designing and producing the mechanical handle independently is also high.
Disclosure of Invention
In order to solve at least one of the technical problems that have been proposed in the background art, the present application provides an emergency starting device for a full-pressure starting type fire pump, which is used for starting the emergency starting pump, and comprises:
the device comprises a driving part, a triggering part and a transmission part for connecting the driving part and the triggering part;
the trigger part is arranged between the power supply input end of the motor of the emergency starting pump and the power supply output end of an external power supply;
the driving part responds to the starting operation of a user and controls the triggering part to conduct the telecommunication connection between the motor of the emergency starting pump and an external power supply so as to start the motor of the emergency starting pump;
the driving part responds to the closing operation of a user and controls the triggering part to cut off the telecommunication connection between the motor of the emergency starting pump and an external power supply so as to close the motor of the emergency starting pump.
The application provides an emergent starting drive of full pressure start-up type fire pump, emergent start-up fire pump of complete machinery is not influenced by the secondary circuit, the closure of the transmission mechanical structure contactor fast and stable of acting as go-between during the start-up, compare in redundant switch be the starting drive of mechanical emergency circuit, simpler, the complexity is lower, whole cabinet security and practicality have been increased, the control circuit trouble can not start the fire pump, need not increase other switching device and circuit, circuit and the interior configuration of cabinet are succinct, easily overhaul.
In one possible implementation, the starting apparatus further includes a circuit breaker disposed between the triggering portion and the external power source.
This implementation, through set up the circuit breaker between trigger part and external power source, the circuit breaker can make contact with or break off circuit under normal use condition, plays the effect of switch, when meetting higher electric current or circuit short circuit in the circuit, but automatic cutout circuit avoids circuit failure, protection circuit.
In a possible implementation manner, the starting device further comprises a thermal overload relay arranged between the trigger and the emergency starting pump.
In the implementation mode, the overload relay is arranged between the trigger and the emergency starting pump, so that the motor of the emergency starting pump can be protected from overload damage.
In one possible implementation, the driving part includes:
an operating handle, an operator and an operating shell;
the operator is arranged in the operating shell, is connected with the shell in the operating shell through a bolt and rotates along the bolt;
the operating device is provided with a hollow through hole, part of the operating handle is inserted into the through hole, and the rest part of the operating handle extends out of the operating shell.
The operator is fixedly connected with the transmission part through a bolt.
The driving part provided by the implementation mode is simple in structure and easy to implement.
In one possible implementation, the transmission portion includes:
a transmission line and a linkage mechanism;
one end of the interlocking mechanism is connected with the driving part through the transmission line;
the other end of the interlocking mechanism is connected with the trigger part.
This implementation provides a linkage mechanism in the transmission portion that allows the trigger portion to operate in a prescribed order.
In one possible implementation, the transmission part further comprises a support;
the supporting piece is arranged on one side, close to the interlocking mechanism, of the transmission line.
The support piece that proposes in this implementation can play the effect of support protection to the transmission line on the one hand, and on the other hand can guarantee the neatness in the fire control cabinet.
In one possible implementation, the driving part further comprises a locking reset piece configured to lock the operating handle in the operating state and/or reset the operating handle from the operating state to the non-operating state.
The locking reset piece provided in the implementation mode can enable the starting device to be continuously kept in the working state or the non-working state, and facilitates the switching of the starting device between the working state and the non-working state.
In one possible implementation, the driving part further includes
A handle lock configured to lock the operating handle when the full pressure activated emergency initiating device is in an inoperative state.
The handle locking piece that provides in this implementation can prevent that non-staff from operating starting drive, prevents the emergence that the mistake touched.
In a possible implementation manner, the transmission line is a flexible shaft connecting line.
The flexible shaft pull wire provided in this implementation mode has: impact resistance, difficult deformation and good stability; shock absorption and noise reduction; convenient installation and maintenance, and is not easy to be collided by surrounding parts.
In one possible implementation, the locking return element is a spring return mechanism.
The locking reset in this implementation is configured as a spring return mechanism that is simple to operate and easy to design and install.
The invention has the following beneficial effects:
according to the full-pressure starting type fire pump emergency starting device, the full-mechanical emergency starting fire pump is not influenced by a secondary loop, a stay wire transmission mechanical structure contactor is closed quickly and stably during starting, a reset spring arranged in a full-pressure manipulator can instantly disconnect the contactor during stopping, potential electric arcs and contactor contact damage are reduced, compared with a redundant switch, the full-pressure starting fire pump emergency starting device is simpler and lower in complexity due to the fact that a mechanical emergency circuit is adopted, safety and practicability of the whole cabinet are improved, and when the fire pump is started in a mechanical emergency mode, an authorized person can start the fire pump easily by directly operating an outer handle of the cabinet, and operation is simple and convenient; the mechanical emergency pump starting directly operates the main loop contactor, other switching devices and circuits do not need to be added, the circuits and the interior of the cabinet are simply configured, and the maintenance is easy.
Drawings
The following describes embodiments of the present application in further detail with reference to the accompanying drawings.
Fig. 1 shows a circuit diagram of the operation of a product of the first type mentioned in the background art.
Fig. 2 shows a structure diagram of an emergency starting device of a full-pressure starting type fire pump provided by the embodiment of the application.
Fig. 3 shows an operational schematic diagram of an emergency starting device of a full-pressure starting fire pump provided by the embodiment of the application.
Reference numerals: 1. a drive section; 2. a trigger; 3. a transmission section; 11. an operating handle; 12. an operator; 13. operating the housing; 14. a handle retaining member; 31. a drive line; 32. an interlock mechanism; 33. and a support member.
Detailed Description
In order to more clearly illustrate the present application, the present application is further described below in conjunction with the preferred embodiments and the accompanying drawings. Similar parts in the figures are denoted by the same reference numerals. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not intended to limit the scope of the present application.
When fire pump control equipment starts the fire pump, only lean on relay circuit control major loop contactor main contact closure to realize starting the fire pump, when the relay control return circuit breaks down and can not start the fire pump, adopt mechanical emergency start-up when mechanical emergency start-up device's research and development design should consider fire pump control equipment.
To achieve the above object, as shown in fig. 2, an embodiment of the present application provides a full pressure starting type emergency starting device for starting an emergency starting pump, the full pressure starting type emergency starting device including:
the device comprises a driving part 1, a triggering part 2 and a transmission part 3 for connecting the driving part 1 and the triggering part 2;
the trigger part 2 is arranged between the power supply input end of the motor of the emergency starting pump and the power supply output end of the external power supply;
the driving part 1 responds to the starting operation of a user and controls the triggering part 2 to conduct the telecommunication connection between the motor of the emergency starting pump and an external power supply so as to start the motor of the emergency starting pump;
the driving part 1 controls the triggering part 2 to cut off the telecommunication connection between the motor of the emergency starting pump and the external power supply in response to the closing operation of the user to close the motor of the emergency starting pump.
The emergent starting drive of full pressure start-up type fire pump that this embodiment provided, complete mechanical emergency start fire pump does not receive, the secondary circuit influences, the transmission mechanical structure contactor fast and stable's of acting as go-between closure during the start-up compares in redundant switch is the starting drive of mechanical emergency circuit, and is simpler, and the complexity is lower, has increased whole cabinet security and practicality, and the control circuit trouble can not start the fire pump, need not increase other switching device and circuit, and circuit and the interior configuration of cabinet are succinct, easily overhaul.
In some embodiments, the driving part 1 includes:
an operation handle 11, an operator 12 and an operation housing 13;
the operator 12 is arranged in the operation housing 13, is connected with the shell of the operation housing 13 through a bolt and rotates along the bolt;
the operator 12 is formed with a hollow through hole, a part of the operation handle 11 is inserted into the through hole, and the remaining part of the operation handle 11 extends out of the operation housing 4.
The operator 12 is fixed to the transmission 3 by bolts.
In a specific example, the operation principle of the driving part 1 is described as follows in connection with an actual application scenario:
under the condition that the emergency pump starting needs to be started, a user pulls the operating handle 11, the operating handle 11 drives the operator 12 to perform circular motion along the bolt, one end of the operator 12 is connected to one end of the transmission part 3, and along with the circular motion of the operator 12, the transmission part 3 is tightened under the mechanical action to drive the trigger 2 at the other end to work.
In some embodiments, the driving part 1 further comprises a latching reset configured to latch the operating handle 11 in the operating state and/or to reset the operating handle 11 from the operating state to the non-operating state.
In a specific example, in a non-working state, the operating handle 11 is locked at an initial stop position (-60 °), and in a working state, a worker quickly presses the operating handle 11 to a running position (60 °) to start the emergency pump, and at this time, a starting process is completed, and the operating handle 11 is locked at the running position (60 °) under the action of the locking reset member.
When the emergency starting pump needs to be turned off (namely, when the emergency starting pump is switched from the working state to the non-working state), a worker carries out resetting operation on the operating handle 11, the operating handle 11 is quickly restored from the running position (60 degrees) to the stopping position (-60 degrees) under the action of the locking resetting piece, and the next starting operation is waited.
After the emergency starting pump is started through the operating handle 11, the emergency starting pump needs to be locked in a working state, when the emergency starting pump needs to be stopped, the operating handle 11 also needs to be capable of reacting quickly, therefore, the locking reset piece is configured on the driving part 1, the starting device can be continuously kept in the working state or the non-working state, and the starting device is convenient to switch back and forth between the working state and the non-working state.
In some embodiments, the locking reset piece is a spring reset mechanism, and the spring reset mechanism is simple to operate and convenient to design and install. When the emergency pump starting needs to be stopped, the trigger part 2 can be instantly disconnected by the built-in spring return mechanism of the driving part 1, and the damage of potential electric arcs to the trigger part is reduced.
The flip-flop 2 in the present embodiment may be an alternating current flip-flop (QAC).
In some embodiments, the driving part 1 further includes a handle lock 14, and the handle lock 14 is configured to lock the operating handle 11 when the full pressure activation type emergency starting apparatus is in a non-operating state.
The handle locking member 14 prevents a non-operator from operating the starting device and prevents accidental contact.
In some embodiments, the transmission portion 3 includes:
a transmission line 31 and a linkage mechanism 32;
wherein, one end of the interlocking mechanism 32 is connected with the driving part 1 through the transmission line 31;
the other end of the interlocking mechanism 32 is connected to the trigger 2.
The interlock 32 ensures that the trigger 2 is actuated in a prescribed sequence.
In some embodiments, the drive line 31 is a flexible shaft connection line.
The flexible shaft pull wire is provided with: impact resistance, difficult deformation and good stability; shock absorption and noise reduction; the installation and the maintenance are convenient, the surrounding parts and the collision are not easy to happen, and the device is very suitable for and arranged in the mechanisms which are inconvenient to overhaul, such as a fire-fighting cabinet.
In some embodiments, the transmission 3 further comprises a support 33;
the support member 33 is provided on a side of the transmission line 31 near the interlocking mechanism 32.
The supporting piece 33 can play a role in supporting and protecting the transmission line and can also ensure the tidiness in the fire-fighting cabinet.
The fire fighting cabinet is complicated to disassemble and inconvenient to maintain, and therefore, in order to protect the safety of the circuit, as shown in fig. 3, in some embodiments, the starting apparatus further includes a circuit breaker disposed between the triggering part 2 and the external power source.
The circuit breaker can make or break the circuit under normal use condition, plays the effect of switch, meets when higher electric current or circuit short circuit in the circuit, but automatic cutout circuit avoids circuit fault, protection circuit.
Similarly, to protect the motor of the emergency pump start, in some embodiments, the starting device further comprises a thermal overload relay arranged between the trigger 2 and the emergency pump start.
The overload relay can protect the motor of the emergency starting pump from overload damage.
In one specific example, the working principle of the emergency starting device of the full-pressure starting type fire pump proposed in the present application is explained as follows:
referring to fig. 3, operating handle 11 has two gear stop positions, operation position, when meetting emergency, has the administrator's of authority unblock handle retaining member 14 after, can directly press operating handle 11, conveys power to ac contactor 2 through flexible axle connecting wire 31, and ac contactor 2's main contact external control point makes ac contactor three-phase main contact force to close to the main loop switches on and accomplishes the direct start fire pump, and the circuit breaker setting is in between switch trigger and the power for protection circuit normal work.
When the fire pump is started in mechanical emergency, an authorized person can directly operate the outer handle of the cabinet to easily start the fire pump, and the operation is simple and convenient; the mechanical emergency pump starting directly operates the main loop contactor, other switching devices and circuits do not need to be added, the circuits and the interior of the cabinet are simply configured, and the maintenance is easy.
It should be understood that the above-mentioned examples are given for the purpose of illustrating the present application clearly and not for the purpose of limiting the same, and that various other modifications and variations of the present invention may be made by those skilled in the art in light of the above teachings, and it is not intended to be exhaustive or to limit the invention to the precise form disclosed.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011208234.7A CN112412762A (en) | 2020-11-03 | 2020-11-03 | Emergency starting device for full-pressure starting type fire pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011208234.7A CN112412762A (en) | 2020-11-03 | 2020-11-03 | Emergency starting device for full-pressure starting type fire pump |
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| Publication Number | Publication Date |
|---|---|
| CN112412762A true CN112412762A (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011208234.7A Pending CN112412762A (en) | 2020-11-03 | 2020-11-03 | Emergency starting device for full-pressure starting type fire pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193790A (en) * | 2021-03-31 | 2021-07-30 | 北京东方神龙环保设备制造有限公司 | Voltage-reduction starting type emergency starting device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001097238A1 (en) * | 2000-06-12 | 2001-12-20 | Otis Elevator Company | Mechanical reset device for switch |
| CN205487972U (en) * | 2016-01-25 | 2016-08-17 | 唐为刚 | A emergent contact switch that starts of machinery for in fire control control system |
| CN106545502A (en) * | 2016-11-01 | 2017-03-29 | 南通艾德森机电设备有限公司 | A kind of mechanical emergency full voltage starting device |
| CN206753880U (en) * | 2017-03-08 | 2017-12-15 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Starting of pump station circuit and starting mode of pump device with self priming pump control |
| CN214063258U (en) * | 2020-11-03 | 2021-08-27 | 北京东方神龙环保设备制造有限公司 | Emergency starting device for full-pressure starting type fire pump |
-
2020
- 2020-11-03 CN CN202011208234.7A patent/CN112412762A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001097238A1 (en) * | 2000-06-12 | 2001-12-20 | Otis Elevator Company | Mechanical reset device for switch |
| CN205487972U (en) * | 2016-01-25 | 2016-08-17 | 唐为刚 | A emergent contact switch that starts of machinery for in fire control control system |
| CN106545502A (en) * | 2016-11-01 | 2017-03-29 | 南通艾德森机电设备有限公司 | A kind of mechanical emergency full voltage starting device |
| CN206753880U (en) * | 2017-03-08 | 2017-12-15 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Starting of pump station circuit and starting mode of pump device with self priming pump control |
| CN214063258U (en) * | 2020-11-03 | 2021-08-27 | 北京东方神龙环保设备制造有限公司 | Emergency starting device for full-pressure starting type fire pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193790A (en) * | 2021-03-31 | 2021-07-30 | 北京东方神龙环保设备制造有限公司 | Voltage-reduction starting type emergency starting device |
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