CN219247736U - Generator starting device for charging fire pump storage battery - Google Patents
Generator starting device for charging fire pump storage battery Download PDFInfo
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- CN219247736U CN219247736U CN202223303326.0U CN202223303326U CN219247736U CN 219247736 U CN219247736 U CN 219247736U CN 202223303326 U CN202223303326 U CN 202223303326U CN 219247736 U CN219247736 U CN 219247736U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a generator starting device for charging a fire pump storage battery, which comprises a starting power supply, a starter and a self-resetting starting switch, wherein the starter and the self-resetting starting switch are connected in series in an electrical loop of the starting power supply, and the self-resetting starting switch is used for switching on or off the electrical loop; the self-resetting starting switch comprises normally open contacts, conductors and delay ejection pieces, wherein the two groups of normally open contacts are connected in an electrical circuit in an open mode and are arranged on a fixed seat, the conductors are movably displaced on the fixed seat and are in conductive contact or far away from the two normally open contacts, the distance between the delay ejection pieces is set in the normally open contacts, the delay ejection pieces delay the ejection of the conductors and the separation of the normally open contacts in a state that the conductors are in contact with the two normally open contacts, and the electrical circuit of the starter can be automatically disconnected after the preset time is closed through the self-resetting starting switch.
Description
Technical Field
The utility model belongs to the field of generators, and particularly relates to a generator starting device for charging a fire pump storage battery.
Background
In the fire protection system, as the urban power grid possibly has the condition of power failure, in order to ensure the safety of stored goods, a generator is adopted for generating electricity, a battery pack is used for storing electricity to supply power for spraying and covering dangerous goods at a wharf and is used for supplying power for power equipment such as a fire pump and the like, the number of the starting units is controlled through a control cabinet system, and the number of the units is started according to dangerous situations. The generator set is adopted instead of the mains supply, the possibility of power failure of the mains supply is mainly considered, when dangerous situations occur, the diesel engine set which operates independently is high in reliability, and if the mains supply is adopted, the risk of electricity and water is also present, the requirements of power supply spraying can be met only by a higher protection level.
In the initial stage of starting the generator, the starter needs to be started through the battery pack, the generator is started through the starter to work, and after the generator is completely started, the circuit of the starter is disconnected. In order to reduce the waterproof level of the whole circuit, the starter circuit is started manually through a mechanical switch, but the following disadvantages exist: at present, the mechanical switch needs to be turned on or off manually, and particularly, a starter circuit cannot be automatically turned off after being turned on for a certain time.
Disclosure of Invention
The utility model aims to: in order to overcome the defects in the prior art, the utility model provides the generator starting device for charging the fire pump storage battery, and the electric loop of the starter can be automatically opened after the preset time is closed through the self-resetting starting switch.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
the generator starting device for charging the fire pump storage battery comprises a starting power supply, a starter and a self-resetting starting switch, wherein the starter and the self-resetting starting switch are connected in series in an electrical loop of the starting power supply, and the self-resetting starting switch is used for switching on or off the electrical loop; the self-resetting starting switch comprises normally open contacts, conductors and delay ejection pieces, wherein the two groups of normally open contacts are connected in an electrical circuit in a disconnected mode and are arranged on a fixed seat, the conductors are movably displaced on the fixed seat and are in conductive contact or far away from the two normally open contacts, the distance between the delay ejection pieces is set in the normally open contacts, and the delay ejection pieces delay ejection the conductors to be separated from the normally open contacts in a state that the conductors are in contact with the two normally open contacts.
Further, the electric conductor is the piece that generates heat, delay ejecting piece is including being heated reset piece, be heated reset piece contains compression state and extension state, be heated reset piece and form compression state through electric conductor towards normally open contact displacement extrusion, be heated reset piece endothermic deformation forms extension state.
Further, the heated reset piece is a memory alloy piece which is heated reset.
Further, the delay ejection piece further comprises a guide rod, the guide rod is movably arranged on the fixing seat in a guiding manner, the guide rod is identical to the reset direction of the heated reset piece, and one end of the guide rod, corresponding to the electric conductor, is connected onto the fixing seat through the heated reset piece.
Further, the fixing seat comprises a guide cylinder covered on the outer sides of the two normally open contacts, and a heated cavity is formed in the inner cavity of the guide cylinder.
Further, an axial guide groove for conducting far and near displacement relative to the normally open contact and a circumferential guide groove for conducting circumferential displacement relative to the normally open contact are formed in the inner wall of the guide cylinder, movable guide bodies extending into the axial guide groove and the circumferential guide groove are arranged on the conductor, one end of the axial guide groove corresponding to the normally open contact is communicated with the stroke starting end of the circumferential guide groove, and the delay ejection piece is arranged at the stroke ending end of the circumferential guide groove.
Further, the plane of the annular guide groove is parallel to the conductive plane of the conductor relative to the normally open contact.
Further, the novel electric conductor guide device further comprises a push rod and a push rod reset piece, wherein one end of the push rod movably penetrates into the inner cavity of the guide cylinder and is connected to the electric conductor, and the other end of the push rod is connected to the outer wall of the guide cylinder through the push rod reset piece.
The beneficial effects are that: the circuit of the starter is closed or disconnected through the self-resetting starting switch, when the electric conductor contacts and conducts the circuits of the two normally open contacts, the starting circuit is conducted, after the circuit is conducted for a preset time, the electric conductor is pushed by the delay push-out piece so as to be separated from the normally open contacts, the starting circuit is disconnected, the self-resetting starting switch has a time delay effect, and the electric circuit of the starter can be automatically disconnected after the preset time is closed, and manual shutdown operation of personnel is not needed.
Drawings
FIG. 1 is a schematic circuit diagram of a starting device of the present utility model in a fire protection system;
FIG. 2 is a schematic diagram of the self-resetting start switch of the present utility model in an off state;
FIG. 3 is a schematic view of the utility model in A-A half-section;
FIG. 4 is a schematic diagram of the self-resetting starting switch of the present utility model in a conducting circuit state;
FIG. 5 is a schematic view of the utility model in a B-B half-section;
FIG. 6 is a schematic view of the utility model in half-section C-C.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 6, a generator starting device for charging a fire pump storage battery is used for starting a generator in a fire protection system, and comprises a starting power supply, a starter 1 and a self-resetting starting switch 2, wherein the starter 1 and the self-resetting starting switch 2 are connected in series in an electrical loop of the starting power supply, the starter is a starting motor, the starting power supply is a battery pack for storing electricity in the fire protection system, and the self-resetting starting switch 2 is used for switching on or off the electrical loop of the starting device.
The generator set is adopted instead of the mains supply, the possibility of power failure of the mains supply is mainly considered, when dangerous situations occur, the diesel engine set which operates independently is high in reliability, and if the mains supply is adopted, the risk of electricity and water is also present, the requirements of power supply spraying can be met only by a higher protection level.
The self-resetting starting switch 2 comprises normally open contacts 3, conductors 5 and a delay ejection piece 6, wherein the normally open contacts 3 are connected in an electric loop in a disconnected mode and are arranged on a fixing base, the fixing base comprises a base, the normally open contacts 3 are of a conducting strip structure, the normally open contacts are used for being connected with connecting wires of a starter, the normally open contacts are preferably connected to a negative electrode wire, and damage to a battery pack caused by overlarge current in the starting moment is avoided.
The conductor 5 is movably displaced on the fixed seat and is in conductive contact or far away from the two normally open contacts, the conductor 5 is used for bridging and conducting the two normally open contacts, the conductor 5 can be in contact with the two normally open contacts to conduct the conductor, and the circuit is disconnected when the conductor is far away from the two normally open contacts. The delay ejection pieces 6 are arranged at intervals of the normally open contacts, and in a state that the conductors are contacted with the two normally open contacts, after the delay ejection pieces 6 are conducted for a preset time, the delay ejection conductors 5 are separated from the normally open contacts 3, and the time for separating the delay ejection conductors from the contacts is the preset starting time of the generator. After the two normally open contacts are contacted and conducted, a starter circuit is conducted, the starter starts the generator, the generator is started in a preset time, after the preset time is reached, the conductor is separated from the two normally open contacts, the circuit of the starting device is disconnected, the starter stops working, the self-resetting starting switch has a time delay function, the electric loop of the starter can be automatically disconnected after the preset time is closed, and manual shutdown operation of personnel is not needed.
As shown in fig. 2 to fig. 6, the electrical conductor is a heating element, such as a thermal resistance sheet, a thermal resistance wire, etc., and can generate heat after being electrified, so that the ambient temperature rises, the delayed ejecting element 6 includes a heated resetting element 11, the heated resetting element 11 includes a compressed state and an extended state, the heated resetting element 11 forms the compressed state by displacement and extrusion of the electrical conductor towards the normally open contacts, the heated resetting element 11 absorbs heat and deforms to form the extended state, and in the extended state, the electrical conductor 5 is pushed to be separated from the two normally open contacts 3 by the heated resetting element, so that the circuit is disconnected.
Wherein, the heated reset piece 11 is a memory alloy piece for heated reset, such as a nickel titanium shrinkage spring. The conductor is displaced towards the normally open contact to compress the heated reset piece 11 to enable the heated reset piece 11 to be pressed to generate plastic deformation, after the heated reset piece 11 absorbs heat, the heated reset piece is heated to restore to a parent state according to the characteristics of the material, and the pressed plastic deformation state is converted to the parent state to push the conductor to be far away from the normally open contact 3.
The delayed ejection piece 6 further comprises a guide rod 13, the guide rod 13 is movably arranged on the fixed seat in a guiding manner, the fixed seat is provided with a guide rod mounting block 14 for movably penetrating the guide rod 13, the guide rod 13 is identical to the heated reset piece 11 in reset direction, one end of the guide rod, corresponding to the electric conductor, is connected to the fixed seat through the heated reset piece, the nickel titanium shrink spring is sleeved outside the guide rod, and the nickel titanium shrink spring is subjected to displacement guiding through the guide rod 13.
The fixing seat comprises guide cylinders 7 which are covered on the outer sides of the two normally open contacts 3, the guide cylinders are covered on the base, a heated cavity is formed in the inner cavity of the guide cylinders 7 and used for gathering heat generated by the electric conductor 5 and heating the nickel titanium contraction spring, and the resistance value of the electric conductor is correspondingly adjusted according to the required preset time.
The delay ejection piece 6 can be arranged on the displacement path of the electric conductor 5, the expansion direction of the nickel-titanium shrinkage spring is the same as the displacement direction of the electric conductor 5, and the far-near displacement of the electric conductor directly pushes the nickel-titanium shrinkage spring to perform compression plastic deformation. Or the following second embodiment is adopted:
the inner wall of the guide cylinder 7 is provided with an axial guide groove 8 for carrying out far and near displacement on the conductor relative to the normally open contact and an annular guide groove 9 for carrying out circumferential displacement on the conductor relative to the normally open contact, the axial guide groove 8 is of a groove body structure which is axially extended and arranged, the conductor is provided with a movable guide body 10 which extends into the axial guide groove and the annular guide groove, the movable guide body 10 is of a cylindrical rod structure, one end of the axial guide groove corresponding to the normally open contact is communicated with a stroke starting end 9a of the annular guide groove, the delay ejection piece 6 is arranged at a stroke ending end 9b of the annular guide groove 9, and the guide rod mounting block 14 is arranged at a forming ending end. When the movable guide body 10 is pressed down to the bottom end of the axial guide groove, the electric conductor is rotated for a certain angle, so that the movable guide body 10 enters the annular guide groove 9, then the movable guide body 10 compresses the nickel titanium contraction spring, so that the plastic deformation of the nickel titanium contraction spring reaches a compression state, at the moment, the annular guide groove 9 limits the axial displacement of the movable guide body 10 and the electric conductor, and the electric conductor is kept in contact with the normally open contact.
The novel electric conductor is characterized by further comprising a push rod 15 and a push rod reset piece 16, wherein the reset piece 16 is a reset spring, one end of the push rod 15 movably penetrates into the inner cavity of the guide cylinder 7 and is connected with the electric conductor 5, and the other end of the push rod 15 is connected to the outer wall of the guide cylinder 7 through the push rod reset piece 16. When the nickel titanium shrinkage spring is heated and reset, the nickel titanium shrinkage spring pushes the movable guide piece 10 and the conductor 5 to rotate circumferentially until the movable guide piece is displaced to the position of the stroke starting end 9a of the annular guide groove, and the conductor is upwards displaced under the action of the reset piece 16 and is far away from the normally open contact.
To prevent the over-pushing of the movable guide 10, a stopper 17 is provided at the turn of the adjacent annular guide groove and axial guide groove.
The plane of the annular guide groove 9 is parallel to the conductive plane of the conductor 5 relative to the normally open contact. The electric conductor 5 comprises a base block 21 and an electric conducting sheet 22 arranged on the base block 21, and the movable guide body 10 is arranged on the body block 21 and is used for connecting the push rod 15.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (8)
1. A generator starting device for fire pump battery charging, its characterized in that: the automatic reset starting device comprises a starting power supply, a starting motor (1) and a self-reset starting switch (2), wherein the starting motor (1) and the self-reset starting switch (2) are connected in series in an electrical loop of the starting power supply, and the electrical loop is turned on or turned off by the self-reset starting switch (2); the self-resetting starting switch (2) comprises normally open contacts (3), conductors (5) and delay ejection pieces (6), wherein the two groups of normally open contacts (3) are connected in an electrical circuit in a disconnected mode and are arranged on a fixed base, the conductors (5) are movably displaced on the fixed base and are in conductive contact or far away from the two normally open contacts, the delay ejection pieces (6) are arranged at intervals between the normally open contacts, and the delay ejection pieces (6) delay the ejection of the conductors (5) and the separation of the normally open contacts (3) under the condition that the conductors are in contact with the two normally open contacts.
2. A generator starting device for fire pump battery charging as defined in claim 1, wherein: the electric conductor is the piece that generates heat, delay ejecting piece (6) is including being heated reset piece (11), be heated reset piece (11) contain compression state and extension state, be heated reset piece (11) and form compression state through electric conductor towards normally open contact displacement extrusion, be heated reset piece (11) endothermic deformation forms extension state.
3. A generator starting device for fire pump battery charging as defined in claim 2, wherein: the heated reset piece (11) is a memory alloy piece which is heated and reset.
4. A generator starting device for fire pump battery charging as defined in claim 2, wherein: the delayed ejection piece (6) further comprises a guide rod (13), the guide rod (13) is movably arranged on the fixing seat in a guide mode, the guide rod (13) and the heated reset piece (11) are the same in reset direction, and one end of the guide rod, corresponding to the electric conductor, is connected onto the fixing seat through the heated reset piece.
5. A generator starting device for fire pump battery charging as defined in claim 2, wherein: the fixed seat comprises a guide cylinder (7) covered on the outer sides of the two normally open contacts (3), and a heated cavity is formed in the inner cavity of the guide cylinder (7).
6. A generator starting device for fire pump battery charging as defined in claim 5, wherein: an axial guide groove (8) for carrying out far and near displacement on the conductor relative to the normally open contact and a circumferential guide groove (9) for carrying out circumferential displacement on the conductor relative to the normally open contact are formed in the inner wall of the guide cylinder (7), a movable guide body (10) extending into the axial guide groove and the circumferential guide groove is arranged on the conductor, one end of the axial guide groove corresponding to the normally open contact is communicated with the stroke starting end of the circumferential guide groove, and the delay ejection piece (6) is arranged at the stroke end of the circumferential guide groove (9).
7. A generator starting device for fire pump battery charging as defined in claim 6, wherein: the plane of the annular guide groove (9) is parallel to the conductive plane of the conductor (5) relative to the normally open contact.
8. A generator starting device for fire pump battery charging as defined in claim 5, wherein: still include push rod (15) and push rod return piece (16), the one end activity of push rod (15) penetrates in the inner chamber of guide cylinder (7) and connect in electric conductor (5), the other end of push rod (15) is connected on the outer wall of guide cylinder (7) through push rod return piece (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223303326.0U CN219247736U (en) | 2022-12-09 | 2022-12-09 | Generator starting device for charging fire pump storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223303326.0U CN219247736U (en) | 2022-12-09 | 2022-12-09 | Generator starting device for charging fire pump storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219247736U true CN219247736U (en) | 2023-06-23 |
Family
ID=86846877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223303326.0U Active CN219247736U (en) | 2022-12-09 | 2022-12-09 | Generator starting device for charging fire pump storage battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219247736U (en) |
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2022
- 2022-12-09 CN CN202223303326.0U patent/CN219247736U/en active Active
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