CN216530695U

CN216530695U - Dual-power automatic switching fire-fighting system

Info

Publication number: CN216530695U
Application number: CN202121690103.7U
Authority: CN
Inventors: 陈彦海; 林岩松; 刘海林; 王惠
Original assignee: Qingdao Haier Electronic Plastic Co ltd
Current assignee: Qingdao Haier Electronic Plastic Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2022-05-13
Anticipated expiration: 2031-07-23

Abstract

The utility model provides a dual-power automatic switching fire-fighting system, and belongs to the technical field of dual-power switching. This dual supply automatic switch-over fire extinguishing system, including mounting panel and auto-change over device, be provided with mains supply on the mounting panel, stand-by power supply, power detector and switching controller, auto-change over device sets up between mains supply and stand-by power supply, auto-change over device includes the motor, movable rod and picture peg, directly set up stand-by power supply in the control box, the circular telegram condition through power detector real-time detection commercial power, and transmission signal to switching controller, switching controller carries to the motor on with signal conversion control signal, it controls to remove about the picture peg that drives the movable rod both sides, realize mains supply and stand-by power supply's automatic switch-over, high durability and convenient use, the transformation is convenient, need not manual operation, save the operation manual work, guarantee fire extinguishing system's normal work.

Description

Dual-power automatic switching fire-fighting system

Technical Field

The utility model relates to the technical field of double-power supply switching, in particular to a double-power supply automatic switching fire-fighting system.

Background

The fire control dual power supply control cabinet is at the fire control switch board of mains supply and stand-by power supply automatic switch function, it is a neotype switch board, the wide application is in high-rise building, the district, the hospital, the airport, the pier, important places that fire control etc. do not allow the power failure, realize unmanned on duty continuous power supply, when the conflagration breaing out, often the circuit can be destroyed, cause the commercial power outage, fire control dual power supply control cabinet can be under the circumstances that mains supply cuts off the power supply, automatic switch to stand-by power supply, thereby the continuity of equipment, uninterrupted operation have been ensured.

At present, the traditional fire-fighting system adopts a single mains supply to supply power, when the mains supply is powered off, the fire-fighting system cannot normally work and loses the function of the fire-fighting system, in addition, the improved fire-fighting power supply system adopts a generator to supply power, a high-power generator needs to be configured for a fire-fighting control cabinet, the power generation cost of the generator is much higher than that of the mains supply, and the investment and maintenance cost is too high.

SUMMERY OF THE UTILITY MODEL

In order to make up for the above defects, the utility model provides a dual-power automatic switching fire-fighting system, wherein a standby power supply is directly arranged in a fire-fighting control box, the power-on condition of commercial power is detected in real time through a power detector, and a signal is transmitted to a switching controller, the switching controller converts the signal into a control signal and transmits the control signal to a motor, so that plug boards on two sides of a movable rod are driven to move left and right, and the automatic switching between the commercial power supply and the standby power supply is realized.

The utility model is realized by the following steps:

a dual-power automatic switching fire-fighting system comprises a mounting plate and a switching device.

Be provided with mains supply and stand-by power supply on the mounting panel, mains supply's input is connected with the power supply electric wire, the middle part of power supply electric wire is provided with power detector, one side of power detector is provided with switching controller, power detector with switching controller all with mounting panel fixed connection, stand-by power supply's input is connected with the electric wire that charges, the electric wire that charges the other end with power supply electric wire electric connection, mains supply with one side that stand-by power supply is close to all is provided with output interface, output interface is provided with three groups, the spacing groove has all been seted up to output interface's below.

Switching device set up in mains supply with between the stand-by power supply, switching device includes motor, movable rod and picture peg, the output fixedly connected with gear piece of motor, the picture peg is "E" font structure, the picture peg is provided with two sets ofly, and bilateral symmetry distributes, the movable rod sets up in two sets of between the picture peg, the both ends of movable rod with one side fixed connection of picture peg, one side of movable rod is provided with the rack, the upper and lower both sides of movable rod all are provided with the slider, one side of slider is provided with the spout, the three port department of picture peg all is provided with conductive contact, conductive contact's below is provided with spacing piece.

In an embodiment of the present invention, the conductive contact is inserted into the output interface, two sets of conductive clamping pieces are disposed inside the output interface and are distributed symmetrically in the vertical direction, the conductive clamping pieces are abutted against the upper and lower sides of the conductive contact, a clamping groove is disposed at the bottom of the limiting groove, and an electromagnet is disposed at the top of the limiting groove.

In an embodiment of the utility model, the limiting sheet is in an L-shaped structure, one end of the limiting sheet is fixedly connected with the end part of the inserting plate, and a clamping block is arranged at the bottom of the other end of the limiting sheet and embedded in the clamping groove.

In an embodiment of the present invention, a permanent magnet is disposed on a side of the limiting plate away from the fixture block, the permanent magnet is embedded inside the limiting plate, the permanent magnet corresponds to the electromagnet in position, and the two permanent magnets have the same poles opposite to each other.

In an embodiment of the utility model, one end of the conductive contact extends to the inside of the board, and the bottom of the board is provided with output wires, and the output wires are electrically connected to the conductive contacts respectively.

In one embodiment of the utility model, the sliding block is in a T-shaped structure and is integrally formed with the movable rod, the shape of the sliding groove is matched with that of the sliding block, the sliding groove and the sliding block are in clearance fit, one side of the sliding groove is fixedly connected with the mounting plate, rollers are arranged on one side of the inner portion of the sliding groove in an equidistant array mode, and the outer surfaces of the rollers are in sliding contact with one side of the sliding block.

In one embodiment of the present invention, the gear piece is disposed on one side of the rack, and the gear piece and the rack are engaged with each other.

In one embodiment of the utility model, a fixed seat is arranged on one side of the motor, and one end of the fixed seat is fixedly connected with the mounting plate.

In an embodiment of the present invention, the output terminals of the power supply detector and the backup power supply are electrically connected to the input terminal of the switching controller, and the output terminal of the switching controller is electrically connected to the input terminals of the motor and the electromagnet.

In one embodiment of the utility model, a commercial power indicator lamp is arranged on one side of the commercial power supply, a standby indicator lamp is arranged on one side of the standby power supply, and an electric quantity indicating column is arranged on one side of the standby indicator lamp.

The dual-power automatic switching fire-fighting system obtained by the design has the beneficial effects that: the installation plate is simultaneously provided with a mains supply and a standby power supply, when the mains supply is normally supplied, the fire fighting system normally works, meanwhile, the standby power supply is connected with a power supply wire for charging, after the mains supply is powered off, the switching controller controls the motor to move, the two groups of insertion plates are driven to remove the left conductive contact piece from the mains supply output interface, and the right conductive contact piece is inserted into the standby power supply output interface, so that the automatic switching of the power supply is realized, the manual operation is not needed, and the normal work of the fire fighting system is ensured; the cooperation of draw-in groove and fixture block makes the contact of conductive contact and clamping piece more firm, prevents to cause because of vibration or other external forces to drop, and simple to use reforms transform the convenience, saves the operation manual work, guarantees fire extinguishing system's stability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a dual power supply automatic switching fire fighting system according to an embodiment of the present invention;

fig. 2 is a front view of a dual power supply automatic switching fire fighting system according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an output interface provided by an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a switching device according to an embodiment of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is a schematic diagram of an exploded structure of a movable rod according to an embodiment of the present invention;

fig. 7 is a communication connection diagram of a dual power supply automatic switching fire protection system according to an embodiment of the present invention;

in the figure: 100-a mounting plate; 101-mains supply; 1011-power supply line; 1012-output interface; 1013-a conductive clip; 1014-a limit groove; 1015-card slot; 1016-an electromagnet; 1017-commercial power indicator light; 102-a backup power supply; 1021-charging wire; 1022-spare indicator light; 1023-a charge indicator column; 103-a power supply detector; 104-a handover controller; 200-a switching device; 201-an electric motor; 2011-gear plate; 2012-a fixed seat; 202-a movable bar; 2021-rack gear; 2022-slide block; 2023-chute; 2024-roller; 203-plug board; 2031-conductive contacts; 2032-limit piece; 2033-fixture block; 2034-permanent magnet; 2035 — output wires.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Examples

Referring to fig. 1-7, the present invention provides a technical solution: a dual power automatic switching fire fighting system includes a mounting plate 100 and a switching device 200.

Referring to fig. 1-3, a commercial power source 101 and a backup power source 102 are disposed on a mounting board 100, an input end of the commercial power source 101 is connected to a power supply wire 1011, a power detector 103 is disposed in the middle of the power supply wire 1011 for detecting and determining the on-off condition of the commercial power source, a switching controller 104 is disposed on one side of the power detector 103, both the power detector 103 and the switching controller 104 are fixedly connected to the mounting board 100, an input end of the backup power source 102 is connected to a charging wire 1021, the other end of the charging wire 1021 is electrically connected to the power supply wire 1011, when the commercial power is connected and the backup power source 102 has a low electric quantity, the backup power source 102 can be charged by the charging wire 1021 in time to ensure that the electric energy of the backup power source 102 meets the switching requirement, output interfaces 1012 are disposed on the side of the commercial power source 101 close to the backup power source 102, and the output interfaces 1012 are disposed in three groups, with the three-phase power supply of fire extinguishing system requirement looks adaptation, spacing groove 1014 has all been seted up to the below of output interface 1012, and spacing groove 1014 carries out spacing fixed to the power output connecting piece, prevents to drop the thread.

Referring to fig. 1-6, the switching device 200 is disposed between the commercial power source 101 and the standby power source 102, the switching device 200 includes a motor 201, a movable rod 202 and an inserting plate 203, an output end of the motor 201 is fixedly connected with a gear plate 2011, the motor 201 is used for driving the movable rod 202 to move left and right to realize power switching, the inserting plate 203 is in an "E" shape structure, three end portions of the inserting plate 203 correspond to three-phase wiring, the inserting plate 203 is provided with two groups which are distributed symmetrically left and right, the two groups of inserting plates are respectively used for connecting the commercial power source 101 and the standby power source 102, the movable rod 202 is disposed between the two groups of inserting plates 203, two ends of the movable rod 202 are fixedly connected with one side of the inserting plate 203, the inserting plate 203 is driven by movement of the movable rod 202 to move synchronously, one side of the movable rod 202 is provided with a rack 2021, upper and lower sides of the movable rod 202 are both provided with sliders 2022, one side of the sliders 2023 is provided with a chute 2023, the movable rod 202 is moved along the direction of the sliding groove 2023 to limit the movable rod, the three ports of the plug board 203 are provided with conductive contact pieces 2031 for wire transmission, a limiting piece 2032 is arranged below the conductive contact pieces 2031, and after the conductive contact pieces 2031 are inserted into the output interface 1012, the limiting piece 2032 is used for limiting the position of the conductive contact pieces 2031, so that the conductive contact pieces 2031 are relatively firm.

Preferably, the conductive contact 2031 is made of copper, so that the conductive contact has high conductivity, good extensibility, low production cost and high economic benefit, and the inserting plate 203 is made of hard PVC, so that the conductive contact has good insulativity, strong mechanical property, strong acid and alkali resistance, good chemical stability and strong supportability.

As an embodiment of the present invention, further, the conductive contact 2031 is inserted into the output interface 1012, two sets of conductive clips 1013 are disposed inside the output interface 1012, and are distributed vertically and symmetrically, the conductive clips 1013 abut against the upper and lower sides of the conductive contact 2031, the conductive clips 1013 wrap and hold the conductive contact 2031 up and down to increase the contact area between the conductive contact 2031 and the conductive contact, so that the electrical energy transmission is safer, the bottom of the limiting groove 1014 is provided with a clamping slot 1015 for receiving a clamping block 2033 to prevent the conductive contact 2031 from coming off, the top of the limiting groove 1014 is provided with an electromagnet 1016, and the electromagnet 1016 is used for automatic unhooking of the limiting block 2032.

As an embodiment of the utility model, further, the limiting piece 2032 is in an L-shaped structure, one end of the limiting piece 2032 is fixedly connected to the end of the insertion plate 203, a clamping block 2033 is arranged at the bottom of the other end of the limiting piece 2032, the clamping block 2033 is embedded inside the clamping slot 1015, when the conductive contact 2031 is inserted in place, the clamping block 2033 is clamped inside the clamping slot 1015, the conductive contact 2031 cannot slide out because the clamping block 2033 is limited by the clamping slot 1015, and safety in electric energy transmission is ensured.

As an embodiment of the present invention, further, a permanent magnet 2034 is disposed on a side of the position-limiting piece 2032 away from the fixture block 2033, the permanent magnet 2034 is embedded inside the position-limiting piece 2032, the position of the permanent magnet 2034 corresponds to the position of the electromagnet 1016, and the same poles of the two are opposite, when the power is switched, the electromagnet 1016 is energized, and by the attraction and separation of the same poles of the magnet, a magnetic attraction force is generated between the electromagnet 1016 and the permanent magnet 2034, so that the end of the position-limiting piece 2032 is tilted upward, the fixture block 2033 is separated from the fixture slot 1015, the inserting plate 203 continues to move, and the conductive contact piece 2031 is separated from the conductive clip piece 1013.

As an embodiment of the present invention, further, one end of the conductive contact 2031 extends to the inside of the board 203, the bottom of the board 203 is provided with an output wire 2035, the output wires 2035 are electrically connected to the conductive contacts 2031, the conductive contacts 2031 finally conduct electric energy to the output wire 2035, and the output wire 2035 provides an operation power supply for each electric device in the fire fighting system.

As an embodiment of the present invention, further, the sliding block 2022 is in a "T" shape and is integrally formed with the movable rod 202, the shape of the sliding slot 2023 is matched with the shape of the sliding block 2022, and the sliding slot 2023 and the sliding block 2022 are in clearance fit, one side of the sliding slot 2023 is fixedly connected to the mounting plate 100, rollers 2024 are arranged in an array at equal intervals on one side of the inside of the sliding slot 2023, the outer surface of the rollers 2024 is in sliding contact with one side of the sliding block 2022, and the rollers 2024 reduce the friction force of the sliding block 2022 during movement. The movement of the movable lever 202 is eased.

In an embodiment of the present invention, a gear 2011 is disposed on one side of the rack 2021, and the gear 2011 and the rack 2021 are engaged with each other to transmit the rotation of the motor 201 to the movable rod 202 through the gear.

As an embodiment of the present invention, further, a fixing seat 2012 is disposed on one side of the motor 201, and one end of the fixing seat 2012 is fixedly connected to the mounting plate 100 to provide a supporting force for the motor 201 and fix the position of the motor 201.

As an embodiment of the present invention, further, the output terminals of the power detector 103 and the backup power source 102 are electrically connected to the input terminal of the switching controller 104, the output terminal of the switching controller 104 is electrically connected to the input terminals of the motor 201 and the electromagnet 1016, the power detector 103 provides a control signal for the switching controller 104, the backup power source 102 provides an operating power for the switching controller 104, and the switching controller 104 converts the detection signal of the power detector 103 into the control signal to be transmitted to the motor 201 and the electromagnet 1016.

As an embodiment of the present invention, further, a commercial power indicator 1017 is disposed on one side of the commercial power source 101, a standby indicator 1022 is disposed on one side of the standby power source 102, an electric quantity indicator 1023 is disposed on one side of the standby indicator 1022, the two sets of indicators are convenient for determining and switching the operation condition of the fire protection system, and the electric quantity indicator 1023 can visually check the energy storage condition of the standby power source 102.

Specifically, this dual supply automatic switch-over fire extinguishing systems's theory of operation: when the utility power is normally supplied, the utility power indicator light 1017 lights up, the plug board 203 on the left side inserts the conductive contact 2031 into the output interface 1012 of the utility power 101, the conductive contact 2031 contacts with the conductive clip 1013 to transmit the electric energy of the utility power 101 to the output wire 2035, and then connects with each electric device in the fire control system, meanwhile, the limiting piece 2032 below the plug board 203 inserts into the limiting groove 1014 along with the movement of the conductive contact 2031, the limiting piece 2032 at the bottom of the limiting piece 2032 is embedded into the clamping groove 1015, so that the conductive contact 2031 is not easy to be separated, when the utility power is cut off, the utility power indicator light 1017 goes out, the standby indicator light 1022 lights up, the power detector 103 detects the power-off signal and transmits the power-off signal to the switching controller 104, the switching controller 104 converts the detection signal into the control signal to energize the electromagnet 1016, because the homopolar attraction of the magnet is far away, a magnetic field is generated between the electromagnet 1016 and the permanent magnet 2034, the limiting piece 2032 is sucked up, the clamping block 2033 is separated from the limitation of the clamping groove 1015, then the motor 201 is controlled to start, the gear piece 2011 is meshed with the rack 2021 to enable the movable rod 202 to move towards the right side, the left conductive contact 2031 is separated from the output interface 1012 of the mains supply 101, the right conductive contact 2031 is inserted into the output interface 1012 of the standby power supply 102, the conduction process is consistent with that of the mains supply 101, the electric energy of the standby power supply 102 is transmitted to all electric devices from the right output wire 2035, the switching of the double power supplies is completed, when the mains supply recovers to normal power supply, the switching controller 104 controls the motor 201 to reversely move in the same working mode to drive the left conductive contact 2031 to be in contact with the mains supply 101 for power transmission, the automatic switching of the power supply is simple to use, the transformation is convenient, the manual operation is not needed, the manual operation is saved, and the normal work of the fire-fighting system is ensured.

It should be noted that the specific model specifications of the utility power supply 101, the electromagnet 1016, the backup power supply 102, the power detector 103, the switching controller 104, and the motor 201 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

It should be noted that the power supply and the principle of the mains power supply 101, the electromagnet 1016, the backup power supply 102, the power detector 103, the switching controller 104 and the motor 201 are clear to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dual-power automatic switching fire-fighting system is characterized by comprising,

a mounting plate (100), wherein a commercial power supply (101) and a standby power supply (102) are arranged on the mounting plate (100), the input end of the commercial power supply (101) is connected with a power supply wire (1011), the middle part of the power supply wire (1011) is provided with a power supply detector (103), a switching controller (104) is arranged on one side of the power supply detector (103), the power supply detector (103) and the switching controller (104) are fixedly connected with the mounting plate (100), the input end of the standby power supply (102) is connected with a charging wire (1021), the other end of the charging wire (1021) is electrically connected with the power supply wire (1011), an output interface (1012) is arranged on one side of the commercial power supply (101) close to the standby power supply (102), three groups of output interfaces (1012) are arranged, and limiting grooves (1014) are formed below the output interfaces (1012);

switching device (200), switching device (200) set up in mains power supply (101) with between stand-by power supply (102), switching device (200) include motor (201), movable rod (202) and picture peg (203), the output fixedly connected with gear piece (2011) of motor (201), picture peg (203) are "E" font structure, picture peg (203) are provided with two sets ofly, and bilateral symmetry distributes, movable rod (202) set up in two sets of between picture peg (203), the both ends of movable rod (202) with one side fixed connection of picture peg (203), one side of movable rod (202) is provided with rack (2021), the upper and lower both sides of movable rod (202) all are provided with slider (2022), one side of slider (2022) is provided with spout (2023), the three port department of picture peg (203) all is provided with conductive contact piece (2031), and a limiting piece (2032) is arranged below the conductive contact piece (2031).

2. The dual-power automatic switching fire-fighting system according to claim 1, wherein the conductive contact pieces (2031) are inserted into the output interface (1012), two sets of conductive clips (1013) are arranged inside the output interface (1012) and are distributed symmetrically up and down, the conductive clips (1013) are abutted against the upper and lower sides of the conductive contact pieces (2031), the bottom of the limiting groove (1014) is provided with a clamping groove (1015), and the top of the limiting groove (1014) is provided with an electromagnet (1016).

3. The dual-power-supply automatic switching fire-fighting system according to claim 2, wherein the limiting piece (2032) is of an L-shaped structure, one end of the limiting piece (2032) is fixedly connected with the end of the insertion plate (203), a clamping block (2033) is arranged at the bottom of the other end of the limiting piece (2032), and the clamping block (2033) is embedded in the clamping groove (1015).

4. The dual-power automatic switching fire extinguishing system according to claim 3, wherein a permanent magnet (2034) is arranged on one side of the limiting piece (2032) far away from the clamping block (2033), the permanent magnet (2034) is embedded inside the limiting piece (2032), the position of the permanent magnet (2034) corresponds to that of the electromagnet (1016), and the two are opposite in the same polarity.

5. The dual-power automatic switching fire fighting system according to claim 1, wherein one end of the conductive contact (2031) extends to the inside of the plug board (203), an output wire (2035) is disposed at the bottom of the plug board (203), and the output wire (2035) is electrically connected to the conductive contact (2031), respectively.

6. The dual-power automatic switching fire fighting system according to claim 1, wherein the sliding block (2022) is of a "T" shaped structure and is integrally formed with the movable rod (202), the sliding groove (2023) has a shape matching the sliding block (2022) and is in clearance fit with the sliding block, one side of the sliding groove (2023) is fixedly connected to the mounting plate (100), rollers (2024) are arranged on one side of the sliding groove (2023) at equal intervals, and the outer surface of the rollers (2024) is in sliding contact with one side of the sliding block (2022).

7. The dual power supply automatic switching fire fighting system according to claim 1, characterized in that the gear plate (2011) is disposed on one side of the rack (2021), and the gear plate (2011) is engaged with the rack (2021).

8. The dual-power automatic switching fire-fighting system according to claim 1, wherein a fixing seat (2012) is disposed on one side of the motor (201), and one end of the fixing seat (2012) is fixedly connected to the mounting plate (100).

9. The dual power supply automatic switching fire fighting system according to claim 1, wherein the output terminals of the power supply detector (103) and the backup power supply (102) are electrically connected to the input terminal of the switching controller (104), and the output terminal of the switching controller (104) is electrically connected to the input terminals of the motor (201) and the electromagnet (1016).

10. The dual-power automatic switching fire-fighting system according to claim 1, wherein a mains indicator lamp (1017) is arranged on one side of the mains power supply (101), a standby indicator lamp (1022) is arranged on one side of the standby power supply (102), and a charge indicator column (1023) is arranged on one side of the standby indicator lamp (1022).