CN213783172U

CN213783172U - Star-delta voltage reduction starting fire-fighting motor control device

Info

Publication number: CN213783172U
Application number: CN202023139456.6U
Authority: CN
Inventors: 王帅; 肖龙; 王贵
Original assignee: Henan Suoshida Electronic Technology Co ltd
Current assignee: Henan Suoshida Electronic Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-07-23
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a star triangle step-down starts fire control motor controlling means, arrange including control box, control operation panel box, control box, main contactor, star contactor, triangle-shaped contactor and binding post, control operation panel box sets up on the control chamber door, be provided with the guide rail in the box, control box, main contactor, star contactor, triangle-shaped contactor and binding post row card are on the guide rail, the control box passes through the connection of electric lines with main contactor, star contactor, triangle-shaped contactor and binding post respectively and is in the same place, the control box links together through net twine and control operation panel box, binding post row is through signal line and the corresponding functional module remote connection of fire control room. The utility model discloses utilize the intelligent control mode to replace the logical relation of devices such as traditional button, pilot lamp, conversion switch, auxiliary relay, time relay.

Description

Star-delta voltage reduction starting fire-fighting motor control device

Technical Field

The utility model belongs to the technical field of the fire control controlgear technique and specifically relates to a star triangle step-down starts fire control motor control device.

Background

With the rapid development of cities, various buildings are increased increasingly, and inflammable materials in the buildings are visible everywhere, so that the possibility of fire is greatly increased.

Fire-fighting water pump usually has the motor to drive, and fire-fighting water pump is as the one-level load, and motor power is all bigger usually, and during direct start, electric current is very big in the twinkling of an eye, in order to guarantee the normal operating of electric wire netting, at the in-process of starting, the electric current has the restriction, can not exceed certain limit, consequently, fire-fighting water pump's motor adopts star triangle's starting mode usually. Traditional fire control motor's controlling means comprises devices such as button, pilot lamp, conversion switch, auxiliary relay, time relay, and the secondary line is very much in the block terminal, and the wiring is inconvenient, and can not accept fire control 24V start signal to start stopping of remote control fire control motor.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at prior art's not enough, provide a star triangle step-down starts fire control motor controlling means, utilize intelligent control mode to replace the logical relation of traditional button, pilot lamp, conversion switch, auxiliary relay, devices such as time relay. The product has the advantages of intelligent control of the whole system by the single chip microcomputer, simple operation, convenient wiring, complete interfaces, convenient maintenance, stable performance, low failure rate, long service life and the like.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a star-delta step-down starting fire-fighting motor control device comprises a control box, a control operation panel box, a control box, a main contactor, a star-shaped contactor, a triangular contactor and a wiring terminal row, wherein the control box is divided into a box body and a box door, a hole is formed in the box door, the control operation panel box is fixedly arranged in the hole of the box door, an operation panel faces outwards, a guide rail is arranged in the box body, the control box, the main contactor, the star-shaped contactor, the triangular contactor and the wiring terminal row are clamped on the guide rail, the control box is respectively connected with the main contactor, the star-shaped contactor, the triangular contactor and the wiring terminal row through electric wires, the control box is connected with the control operation panel box through a network cable, the main contactor is externally connected with a power supply, the star-shaped contactor and the triangular contactor are connected with the main contactor, the star-shaped contactor is connected with a fire-fighting motor in a star-shaped wiring mode, the triangle-shaped contactor is connected with the fire control motor with triangle-shaped wiring mode, binding post row is through signal line and the corresponding functional module remote connection of fire control room, and the corresponding functional module of fire control room includes hand automatic state signal feedback, building centralized control start signal, external control start button, external control start feedback lamp, external control start feedback public zero line, fire control 24V signal, fire control linkage feedback and fire prevention valve limit switch etc..

Control operation panel box includes panel, box inferior valve and circuit board, the panel constitutes the box with the box inferior valve, the circuit board is located inside the box that panel and box inferior valve constitute, the circuit board openly is provided with a plurality of emitting diode and button, and the back is provided with RJ45 network interface, singlechip, receiving and dispatching chip, bee calling organ and debugging interface, divide into the display area on the panel and press the button district, correspond with positive emitting diode of circuit board and button respectively, it has the hole to open on the side of box inferior valve, corresponds with RJ45 network interface on the circuit board.

The control box includes box body and circuit board, the circuit board is located inside the box body, be provided with a plurality of binding post, RJ45 network interface, power management module, singlechip, transceiver module and relay on the circuit board, the relay has a plurality ofly, binding post is located the both sides of circuit board, RJ45 network interface sets up the binding post next door of one side wherein on the circuit board, power management module and 51 singlechip, transceiver module, relay module and RJ45 network interface connection, 51 singlechip is connected with binding post, transceiver module and relay module, transceiver module and RJ45 network interface connection, binding post is connected with the relay.

The single-chip microcomputer in the control operation panel box and the control box is a 51 single-chip microcomputer, and the model number of the single-chip microcomputer is STC8F2K16S 2.

Furthermore, the model of the transceiver chip in the control operation panel box and the control box is SP485 EE.

Further, the main contactor, the star-shaped contactor and the triangular contactor are all three-phase 380V alternating current contactors.

The utility model discloses a star triangle step-down starts fire-fighting motor controlling means replaces the logical relation of devices such as traditional button, pilot lamp, conversion switch, auxiliary relay, time relay with the intelligent control mode, and singlechip intelligent control entire system in the control box has easy operation, the convenient easy maintenance of wiring, and stable performance, fault rate are low, long service life. The production workload and after-sale service volume of a distribution box factory are reduced, the production cost is reduced, and the effects of intelligence, labor saving, time saving, material saving and money saving are achieved.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a star triangle step-down starts fire control motor control device replaces partial auxiliary relay, has reduced electrical components's in switch board or the control box quantity, has reduced manufacturing cost.

2. The utility model relates to a star triangle step-down starts fire-fighting motor control device walks the line reduction in switch board or the control box, is favorable to later maintenance, has reduced the maintenance degree of difficulty, has saved the maintenance cost.

3. The utility model relates to a star triangle step-down starts fire control motor control device, the wiring is convenient, and various interfaces are complete, easy maintenance, and the fault rate is low, long service life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the control operation panel box of the present invention.

Fig. 3 is a panel diagram of the control operation panel box of the present invention.

Fig. 4 is a schematic diagram of the control box of the present invention.

Fig. 5 is a schematic diagram of the connection between the control box and the connection terminal of the present invention.

In the figure: 1-control box, 2-control operation panel box, 3-control box, 4-main contactor, 5-star contactor, 6-triangle contactor, 7-wiring terminal row, 8-wire and 9-network cable.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Example (b):

as shown in fig. 1-5, a star-delta step-down start fire-fighting motor control device comprises a control box 1, a control operation panel box 2, a control box 3, a main contactor 4, a star contactor 5, a triangle contactor 6 and a wiring terminal row 7, wherein the control box 1 is divided into a box body 11 and a box door 12, which are made of metal sheet metal, the box door 12 is provided with a hole with a size of 76 × 76mm, the control operation panel box 2 is provided with an outer size of 76 × 76mm, the control operation panel box 2 is fixedly arranged in the hole of the box door 12, the operation panel faces outwards, the operation panel is provided with a light-emitting diode indication area and a key area, the box body 11 is internally provided with a standard metal guide rail, the control box 3, the main contactor 4, the star contactor 5, the triangle contactor 6 and the wiring terminal row 7 are clamped on the metal guide rail, and the main contactor 4, the star contactor 5, the triangle contactor 6 and the wiring terminal row 7 are clamped on the metal guide rail, Star contactor 5 and triangle-shaped contactor 6 are three-phase 380V ac contactor, control box 3 links together through electric wire 8 with main contactor 4, star contactor 5, triangle-shaped contactor 6 and binding post row 7 respectively, control box 3 links together through net twine 9 and control operation panel box 2, the external power supply of main contactor 4, star contactor 5 and triangle-shaped contactor 6 are connected with main contactor 4, star contactor 5 is connected with the fire-fighting motor with the star connection mode, triangle-shaped contactor 6 is connected with the fire-fighting motor with the triangle-shaped connection mode, binding post row 7 passes through the signal line and the corresponding functional module remote connection of fire control room, and the corresponding functional module of fire control room includes hand automatic status signal feedback, building centralized control start signal, external control start button, the fire-fighting control system comprises an external control starting feedback lamp, an external control starting feedback public zero line, a fire-fighting 24V signal, a fire-fighting linkage feedback and fire-proof valve limit switch and the like.

Control operation panel box 2 includes panel, box inferior valve and circuit board, the panel constitutes the box with the box inferior valve, the circuit board is located inside the box that panel and box inferior valve constitute, the circuit board openly is provided with a plurality of emitting diode and button, and the back is provided with RJ45 network interface, singlechip, transceiver chip, bee calling organ and debugging interface, divide into the display area on the panel and press the key zone, correspond with the positive emitting diode of circuit board and button respectively, it has the hole to open on the side of box inferior valve, corresponds with RJ45 network interface on the circuit board.

Control box 3 includes box body and circuit board, the circuit board is located inside the box body, be provided with a plurality of binding post on the circuit board, RJ45 network interface, power management module, singlechip, transceiver module and relay, the relay has a plurality ofly, binding post is located the both sides of circuit board, RJ45 network interface sets up the binding post next door of one of them side on the circuit board, power management module and 51 singlechip, transceiver module, relay module and RJ45 network interface connection, 51 singlechip is connected with binding post, transceiver module and relay module, transceiver module and RJ45 network interface connection, binding post is connected with the relay.

The single-chip microcomputer in the control operation panel box 2 and the control box 3 is a 51 single-chip microcomputer, and the model number of the single-chip microcomputer is STC8F2K16S 2. The model of the control operation panel box and the transceiver chip in the control box is SP485 EE.

The utility model discloses a star triangle step-down starts fire control motor controlling means for on the single fire control water pump motor, the control panel is equipped with the time and sets up the button, and the start-up time has three adjustable shelves (10 seconds, 15 seconds, 20 seconds), can adjust according to self demand. The controller can realize the normal start-stop control of the fan or the water pump in a manual mode, and respectively monitor the load running condition. The controller is provided with interfaces for building, fire control and external line control. The building interface can control the normal start and stop of the fan or the water pump in an automatic state; no matter in manual or automatic state the controller can accept fire control 24v start signal, also can accept the passive node signal that the external line starts, control fan or water pump normal start-stop. The controller can directly drive the alternating current contactor and the CPS control protector, and can also indirectly drive the soft starter through an AC220V intermediate relay. The equipment is provided with an indicator light and a prompt tone, and the state of the equipment can be judged in real time.

Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a star triangle step-down starts fire control motor control device which characterized in that: the control box comprises a control box (1), a control operation panel box (2), a control box (3), a main contactor (4), a star contactor (5), a triangular contactor (6) and a wiring terminal row (7), wherein the control box (1) is divided into a box body (11) and a box door (12), the box door (12) is provided with a hole, the control operation panel box (2) is fixedly arranged in the hole of the box door (12) and enables an operation panel to face outwards, a guide rail is arranged in the box body (11), the control box (3), the main contactor (4), the star contactor (5), the triangular contactor (6) and the wiring terminal row (7) are clamped on the guide rail, the control box (3) is respectively connected with the main contactor (4), the star contactor (5), the triangular contactor (6) and the wiring terminal row (7) through electric wires (8), and the control box (3) is connected with the control operation panel box (2) through a network cable (9), the fire-fighting remote control system is characterized in that the main contactor (4) is externally connected with a power supply, the star contactor (5) and the triangular contactor (6) are connected with the main contactor (4), the star contactor (5) is connected with a fire-fighting motor in a star connection mode, the triangular contactor (6) is connected with the fire-fighting motor in a triangular connection mode, and the wiring terminal row (7) is remotely connected with a corresponding functional module of a fire-fighting control room through a signal line.

2. The star-delta voltage reduction starting fire-fighting motor control device according to claim 1, characterized in that: control operation panel box (2) are including panel, box inferior valve and circuit board, the panel constitutes the box with the box inferior valve, the circuit board is located inside the box that panel and box inferior valve constitute, the circuit board openly is provided with a plurality of emitting diode and button, and the back is provided with RJ45 network interface, singlechip, receiving and dispatching chip, bee calling organ and debugging interface, divide into the display area on the panel and press the key zone, correspond with the positive emitting diode of circuit board and button respectively, it has the hole to open on the side of box inferior valve, corresponds with the RJ45 network interface on the circuit board.

3. The star-delta voltage reduction starting fire-fighting motor control device according to claim 1, characterized in that: control box (3), including box body and circuit board, the circuit board is located inside the box body, be provided with a plurality of binding post, RJ45 network interface, power management module, singlechip, transceiver module and relay on the circuit board, the relay has a plurality ofly, binding post is located the both sides of circuit board, RJ45 network interface sets up on the circuit board wherein the binding post next door of one side, power management module and 51 singlechip, transceiver module, relay module and RJ45 network interface connection, 51 singlechip is connected with binding post, transceiver module and relay module, transceiver module and RJ45 network interface connection, binding post and relay are connected.

4. The star-delta voltage reduction starting fire-fighting motor control device according to claim 2 or 3, characterized in that: the single-chip microcomputer in the control operation panel box (2) and the control box (3) is a 51 single-chip microcomputer, and the model number of the single-chip microcomputer is STC8F2K16S 2.

5. The star-delta voltage reduction starting fire-fighting motor control device according to claim 2 or 3, characterized in that: the model of the transceiver chip in the control operation panel box (2) and the control box (3) is SP485 EE.

6. The star-delta voltage reduction starting fire-fighting motor control device according to claim 1, characterized in that: the main contactor (4), the star-shaped contactor (5) and the triangular contactor (6) are all three-phase 380V alternating current contactors.