CN214674523U

CN214674523U - Self-supplying device for heat supply station power failure

Info

Publication number: CN214674523U
Application number: CN202121156552.3U
Authority: CN
Inventors: 沈卫; 李静; 李建新
Original assignee: Shandong Fanghong New Energy Group Co ltd
Current assignee: Shandong Fanghong New Energy Group Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-11-09
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a heat supply station outage is from supplying device, including the heat dissipation case, the inside of heat dissipation case is provided with the regulator cubicle, and the right side of regulator cubicle is provided with stand-by power supply to the upper end of regulator cubicle is provided with the air supply cover, the upper end of air supply cover is connected with out the tuber pipe, and goes out the lower extreme of tuber pipe and be connected with the air conditioner through the exhaust vent to the left side of air conditioner is connected with the suction hood through the suction opening, the fresh air inlet has been seted up to the upper end of regulator cubicle, and the lower extreme of regulator cubicle has seted up the air outlet, the inside of regulator cubicle is fixed with the mounting panel, and the mounting panel front end installs the circuit breaker to the lower extreme of circuit breaker is provided with main contactor and change over contactor. This heat supply station outage is from supplying device utilizes heat dissipation case inner structure to be convenient for dispel the heat to the regulator cubicle, protects the inside electrical components of regulator cubicle, through setting up main circuit and stand-by circuit conversion connection, realizes the automatic switch-over after the main circuit outage, the effectual time interval that has reduced artifical start.

Description

Self-supplying device for heat supply station power failure

Technical Field

The utility model relates to a heating plant power device technical field specifically is a heating plant outage is from supplying device.

Background

A heat supply station, a heat supply station for short, is a connection place of a heat supply pipe network and heat users of a factory or a block in a centralized heat supply system, and has the functions of adjusting heat supply media and parameters for all the heat users in the area or carrying out heat energy conversion, setting necessary representatives according to different requirements of the heat supply range and the heat supply quality of the heat supply station, metering, detecting or regulating and controlling the parameters of the flow, the temperature, the pressure and the like of the heat supply media of the heat supply network and the heat users, and taking water as a heat transfer medium, so that a commonly used power device in the heat supply station comprises a water replenishing pump and a circulating pump.

However, when the power failure occurs in the existing heat supply station, the standby power supply is generally started manually, so that a restart time interval is generated in the middle of the power failure, and further the pressure and the flow of a heat conducting medium in a heat supply pipeline are affected, and the inner space of the heat supply station is stuffy and not beneficial to heat dissipation of an electrical cabinet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat supply station outage is from supplying device to when the current heat supply station that provides takes place the outage among the above-mentioned background art of solution, generally start stand-by power supply through the manual work, consequently the middle time interval that can produce the restart, and then the pressure and the flow that lead to heat-conducting medium in the heat supply pipeline receive the influence, and the heat supply station inner space is comparatively stifled, is unfavorable for the radiating problem of regulator cubicle.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat supply station outage is from supplying device, includes the heat dissipation case, the inside of heat dissipation case is provided with the regulator cubicle, and the right side of regulator cubicle is provided with stand-by power supply to the upper end of regulator cubicle is provided with the supply-air cover, the upper end of supply-air cover is connected with out the tuber pipe, and goes out the lower extreme of tuber pipe and be connected with the air conditioner through the exhaust vent to the left side of air conditioner is connected with the suction hood through the suction opening, the fresh air inlet has been seted up to the upper end of regulator cubicle, and the lower extreme of regulator cubicle has seted up the air outlet, the inside of regulator cubicle is fixed with the mounting panel, and the circuit breaker is installed to the mounting panel front end to the lower extreme of circuit breaker is provided with main contactor and change over contactor.

Preferably, the electrical cabinet and the standby power supply are both fixed inside the heat dissipation box through bolts, a door body is arranged at the front end of the electrical cabinet, and the standby power supply is connected to the wire outlet end below the circuit breaker through an charging lead.

Preferably, the upper end of the circuit breaker is connected with a main inlet wire, the lower end of the circuit breaker is connected to the inlet wire end of the main contactor through a main power line, a group of wires are led out from the main power line and connected to the coil wiring end of the main contactor, and the main power line is led out through the main contactor and then connected to a water replenishing pump and a circulating pump outside the heat dissipation box.

Preferably, the inlet terminal of the transfer contactor is connected to the standby power supply through a transfer power line, and a group of wires is led out from the transfer power line, and one of the group of wires is connected to the coil terminal of the transfer contactor through the normally closed contact of the main contactor, and the other of the group of wires is connected to the other terminal of the coil of the transfer contactor.

Preferably, the conversion power line is led out from the lower end of the conversion contactor and connected to a lead led out from the lower end of the main contactor, and the leads penetrating through the electrical cabinet and the heat dissipation box are provided with wire protection pipes outside the leads.

Preferably, the shape and size of the air supply cover and the air draft cover are consistent, the two sides of the air supply cover are provided with protruding side plates, cavities are formed in the air supply cover and the air draft cover, and the lower end of the air supply cover and the upper end of the air draft cover are provided with vent holes.

Compared with the prior art, the beneficial effects of the utility model are that: the power-off self-supply device for the heat supply station is reasonable in structural arrangement, the heat dissipation box is convenient to dissipate heat of the electrical cabinet by utilizing the internal structure of the heat dissipation box, electrical elements in the electrical cabinet are protected, automatic switching of the main circuit after power-off is realized by arranging the main circuit to be in switching connection with the standby circuit, and the time interval of manual starting is effectively reduced;

1. cold air made by the air conditioner is input into the air supply cover through the air outlet pipe and then is connected with the vent hole through the cavity in the air supply cover, so that the cold air enters the interior of the electrical cabinet through the vent hole and the air inlet hole in the upper end of the electrical cabinet, the air supply cover and the air suction cover are stably connected with the electrical cabinet through the side plate, the air suction cover is connected with the air suction opening of the air conditioner through a pipeline, and the cold air in the electrical cabinet circularly enters the air conditioner through the air outlet hole in the lower end of the electrical cabinet, so that the refrigeration effect is enhanced;

2. be connected through circuit breaker and main contactor, form the main control circuit of moisturizing pump and circulating pump, be connected with stand-by power supply through the lead wire that charges for charging stand-by power supply in normal operating, under the emergence outage circumstances, main contactor coil loses the electricity, main contactor disconnection, the normally closed contact switch-on of main contactor this moment, and then the wire of drawing through the switching power cord, make the switching contactor coil to get electricity, switching contactor gets electricity actuation, and then restart moisturizing pump and circulating pump through the switching power cord.

Drawings

FIG. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of the internal structure of the electrical cabinet of the present invention;

fig. 3 is a schematic view of the gas-supplying hood of the present invention.

In the figure: 1. a heat dissipation box; 2. an electrical cabinet; 3. an air draft cover; 4. an air suction opening; 5. an air conditioner; 6. an air outlet; 7. an air outlet pipe; 8. a main incoming line; 9. an air supply cover; 10. an air inlet hole; 11. mounting a plate; 12. a circuit breaker; 13. a charging lead; 14. converting the power line; 15. a switching contactor; 16. an air outlet; 17. a main contactor; 18. a main power line; 19. a side plate; 20. a vent hole; 21. a backup power source.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a heat supply station power failure self-supply device comprises a heat dissipation box 1, an electric cabinet 2, an air draft cover 3, an air draft opening 4, an air conditioner 5, an air outlet 6, an air outlet pipe 7, a main inlet wire 8, an air supply cover 9, an air inlet hole 10, a mounting plate 11, a circuit breaker 12, a charging lead 13, a conversion power cord 14, a conversion contactor 15, an air outlet hole 16, a main contactor 17, a main power cord 18, a side plate 19, an air vent 20 and a standby power supply 21, wherein the electric cabinet 2 is arranged inside the heat dissipation box 1, the standby power supply 21 is arranged on the right side of the electric cabinet 2, the air supply cover 9 is arranged at the upper end of the electric cabinet 2, the air outlet pipe 7 is connected to the upper end of the air supply cover 9, the air conditioner 5 is connected to the lower end of the air outlet pipe 7 through the air outlet hole 6, the air draft cover 3 is connected to the left side of the air conditioner 5 through the air draft opening 4, the air inlet hole 10 is formed in the upper end of the electric cabinet 2, and the air outlet 16 is formed in the lower end of the electric cabinet 2, a mounting plate 11 is fixed inside the electrical cabinet 2, a circuit breaker 12 is mounted on the front end of the mounting plate 11, and a main contactor 17 and a switching contactor 15 are disposed on the lower end of the circuit breaker 12.

The electrical cabinet 2 and the standby power supply 21 are both fixed inside the heat dissipation box 1 through bolts, a door body is arranged at the front end of the electrical cabinet 2, and the standby power supply 21 is connected to a wire outlet end below the circuit breaker 12 through a charging lead 13; the upper end of the breaker 12 is connected with a main inlet wire 8, the lower end of the breaker 12 is connected to the inlet wire end of a main contactor 17 through a main power line 18, a group of conducting wires are led out from the main power line 18 and connected to a coil terminal of the main contactor 17, and the main power line 18 is led out through the main contactor 17 and then connected to a water replenishing pump and a circulating pump outside the heat dissipation box 1; the incoming line end of the changeover contactor 15 is connected to the backup power supply 21 through the changeover power supply line 14, and a set of wires is led out from the changeover power supply line 14, and one of the set of wires is connected to the coil terminal of the changeover contactor 15 through the normally closed contact of the main contactor 17, and the other of the set of wires is connected to the other coil terminal of the changeover contactor 15; a conversion power line 14 is led out from the lower end of the conversion contactor 15 and connected to a lead wire led out from the lower end of the main contactor 17, and the lead wires penetrating through the electric cabinet 2 and the heat dissipation box 1 are provided with wire protection pipes outside the lead wires; the shape and size of the air supply cover 9 and the air draft cover 3 are the same, the two sides of the air supply cover 9 are provided with convex side plates 19, cavities are arranged in the air supply cover 9 and the air draft cover 3, and the lower end of the air supply cover 9 and the upper end of the air draft cover 3 are both provided with vent holes 20.

As shown in fig. 1 and fig. 3, cold air produced by the air conditioner 5 is input into the air supply cover 9 through the air outlet pipe 7, and then the cavity inside the air supply cover 9 is connected with the vent hole 20, so that the cold air enters the electrical cabinet 2 through the vent hole 20 and the air inlet hole 10 at the upper end of the electrical cabinet 2, and the air supply cover 9 and the air exhaust cover 3 are stably connected with the electrical cabinet 2 through the side plate 19, the air exhaust cover 3 is connected with the air exhaust opening 4 of the air conditioner 5 through a pipeline, and the cold air inside the electrical cabinet 2 circularly enters the air conditioner 5 through the air outlet hole 16 at the lower end of the electrical cabinet 2, thereby enhancing the refrigeration effect.

As in fig. 1 and fig. 2, be connected with main contactor 17 through circuit breaker 12, form the main control circuit of moisturizing pump and circulating pump, be connected with stand-by power supply 21 through charging lead 13, make charging stand-by power supply 21 in normal operating, under the circumstances that takes place to cut off the power supply, main contactor 17 coil loses the electricity, main contactor 17 breaks off, the normally closed contact of main contactor 17 at this moment switches on, and then the wire through the leading-out of switching power cord 14, make switching contactor 15 coil electrified, switching contactor 15 electrified actuation, and then restart moisturizing pump and circulating pump through switching power cord 14, realize the purpose of outage self-supply.

The working principle is as follows: when the self-supply device for the power-off of the heating station is used, firstly, as shown in fig. 1, fig. 2 and fig. 3, cold air made by an air conditioner 5 is input into an air supply cover 9 through an air outlet pipe 7, and then is connected with an air vent 20 through an inner cavity of the air supply cover 9, so that the cold air enters into an electric cabinet 2 through the air vent 20 and an air inlet hole 10 at the upper end of the electric cabinet 2, the air supply cover 9 and an air suction cover 3 are stably connected with the electric cabinet 2 through a side plate 19, the air suction cover 3 is connected with an air suction opening 4 of the air conditioner 5 through a pipeline, the cold air in the electric cabinet 2 circularly enters into the air conditioner 5 through an air outlet hole 16 at the lower end of the electric cabinet 2, the refrigeration effect is enhanced, a main control circuit of a water replenishing pump and a circulating pump is formed by connecting a circuit breaker 12 with a main contactor 17, and is connected with a standby power supply 21 through a charging lead 13, so that the standby power supply 21 is charged in normal operation, under the condition of power failure, the coil of the main contactor 17 loses power, the main contactor 17 is disconnected, the normally closed contact of the main contactor 17 is connected at the moment, and then a wire led out through the conversion power line 14 is used for enabling the coil of the conversion contactor 15 to be powered on, enabling the conversion contactor 15 to be powered on and sucked, and further restarting the water replenishing pump and the circulating pump through the conversion power line 14, so that the purpose of power failure self-supply is realized, and the whole process of the power failure self-supply device for the heat supply station is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heat supply station outage is from supplying device, includes heat dissipation case (1), its characterized in that: the utility model discloses a heat dissipation cabinet, including heat dissipation case (1), air-supplying hood (5), air outlet pipe (7), air outlet pipe (5), air outlet pipe (6), air outlet cover (9), air-supplying hood (3), fresh air inlet (10) have been seted up to the upper end of air-supplying hood (9), and air outlet (16) have been seted up to the lower extreme of regulator cubicle (2), the inside of regulator cubicle (2) is fixed with mounting panel (11), and mounting panel (11) front end installs circuit breaker (12) to the lower extreme of circuit breaker (12) is provided with main contactor (17) and conversion contactor (15).

2. The self-powered device for a heating plant power failure of claim 1, wherein: the electric cabinet (2) and the standby power supply (21) are fixed inside the heat dissipation box (1) through bolts, a door body is arranged at the front end of the electric cabinet (2), and the standby power supply (21) is connected to a wire outlet end below the circuit breaker (12) through a charging lead (13).

3. The self-powered device for a heating plant power failure of claim 1, wherein: the upper end of the circuit breaker (12) is connected with a main inlet wire (8), the lower end of the circuit breaker (12) is connected to the inlet wire end of the main contactor (17) through a main power wire (18), a group of conducting wires are led out from the main power wire (18) and connected to the coil wiring end of the main contactor (17), and the main power wire (18) is connected to a water replenishing pump and a circulating pump on the outer side of the heat dissipation box (1) after being led out through the main contactor (17).

4. The self-powered device for a heating plant power failure of claim 1, wherein: the incoming line end of the changeover contactor (15) is connected to a standby power supply (21) through a changeover power supply line (14), a group of conducting wires are led out from the changeover power supply line (14), one of the conducting wires is connected to the coil terminal of the changeover contactor (15) through the normally closed contact of the main contactor (17), and the other conducting wire is connected to the other coil terminal of the changeover contactor (15).

5. The self-powered device for a heating plant power failure of claim 4, wherein: the conversion power line (14) is led out through the lower end of the conversion contactor (15) and is connected to a lower end lead-out wire of the main contactor (17), and wires penetrating through the electric cabinet (2) and the heat dissipation box (1) are provided with wire protection pipes on the outer sides of the wires.

6. The self-powered device for a heating plant power failure of claim 1, wherein: the shape and size of the air supply cover (9) and the air draft cover (3) are consistent, the two sides of the air supply cover (9) are provided with protruding side plates (19), cavities are formed in the air supply cover (9) and the air draft cover (3), and air vents (20) are formed in the lower end of the air supply cover (9) and the upper end of the air draft cover (3).