CN210167672U

CN210167672U - Intelligent electricity-saving switch screen

Info

Publication number: CN210167672U
Application number: CN201921464727.XU
Authority: CN
Inventors: 宋新振; 宋建昌; 宋建恩
Original assignee: SHANDONG LIAOCHENG SANJIAN ENERGY-SAVING EQUIPMENT CO LTD
Current assignee: SHANDONG LIAOCHENG SANJIAN ENERGY-SAVING EQUIPMENT CO LTD
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-03-20
Anticipated expiration: 2029-09-05

Abstract

The intelligent power-saving switch screen provided by the utility model is provided with a display unit and a control unit outside the cabinet body; the intelligent power-saving switch screen controller comprises a cabinet body, and is characterized in that a knife switch, a protector, an air switch, a silicon controlled module, a transformer and a connector are arranged inside the cabinet body, after the power grid input end of the cabinet body is connected with a power grid, the knife switch, the protector and the air switch are connected with the silicon controlled module, the silicon controlled module is connected with a load of power equipment, the protector is connected with a primary transformer, a secondary transformer is connected with the connector, and the connector is connected with an intelligent power-saving switch screen. The utility model has no contact point, does not need to use an AC contactor, and effectively avoids the problem that the contact is easy to burn and blow under the traditional power distribution equipment through the online operation of the silicon controlled module; the time of the soft start of the motor can be manually set according to the load condition of the motor; when the switch screen is used on a motor with a power saving condition, the switch screen realizes power saving by adjusting the effective voltage value applied to the motor.

Description

Intelligent electricity-saving switch screen

Technical Field

The utility model relates to a distribution equipment technical field especially belongs to an intelligence power-saving switch screen.

Background

Low voltage distribution equipment among the prior art all has low voltage contactor, also called ac contactor, and this kind of contactor is for having contact type contactor, and when the contact closed, the motor was opened, and at the opening-process, the electric current is great, and the contact burns out easily, and burns out the process and divide into two kinds of circumstances again: one is that the contacts are sintered together, the motor can normally run, but the contacts cannot be disconnected, and forced disconnection needs to be carried out through other parts such as an air switch and the like; the other condition is that the contact is burnt out, so that the motor runs in two running states in a missing way, and the motor can be burnt out after the running time is long. In addition, in the prior art, a soft start part is designed for starting the motor, but in the design of soft start, the soft start time is relatively fixed and cannot be adjusted along with the load condition of the motor. In soft start, the load current is large, and if the set time is not appropriate, the motor can be burnt.

Disclosure of Invention

An object of the utility model is to provide an intelligence power-saving switch screen promptly to when reaching the assurance distribution efficiency, reach the purpose of economize on electricity efficiency.

The utility model provides an intelligent power-saving switch screen, which comprises a cabinet body and is characterized in that a display unit and a control unit are arranged outside the cabinet body, and the display unit comprises a transformer indicator light; the control unit comprises a switch unit and an intelligent power-saving switch screen controller, the switch unit comprises a protector switch, a knife switch, a protector, an air switch, a first silicon controlled module, a second silicon controlled module, a third silicon controlled module, a transformer and a connector are arranged in the cabinet body, after the power grid input end of the cabinet body is connected with a power grid, the knife switch, the protector and the air switch are connected with the first silicon controlled module, the second silicon controlled module and the third silicon controlled module, the output ends of the first silicon controlled module, the second silicon controlled module and the third silicon controlled module are connected with a load of electric equipment, the protector is primarily connected with the transformer through a connecting terminal, the transformer is secondarily connected to the connector, the connector is connected with the intelligent power-saving switch screen controller outside the cabinet body, and the connector is respectively connected with the first silicon controlled module, the third silicon, The second silicon controlled rectifier module, third silicon controlled rectifier module, wherein, the transformer is connected the outside transformer pilot lamp of the cabinet body.

Furthermore, a fan is connected between the first silicon controlled module, the second silicon controlled module, the third silicon controlled module and the power load, and the fan is arranged inside the cabinet body.

Furthermore, the display unit further comprises a first voltmeter arranged outside the cabinet body, the switch unit further comprises an input voltage steering switch, one end of the knife switch, which is connected with the protector, is connected with the fuse and is connected with the first voltmeter by connecting the input voltage steering switch, and the first voltmeter is used for displaying an input voltage value corresponding to the power grid input end of the cabinet body, namely the A-item electricity, the B-item electricity or the C-item electricity.

Furthermore, the display unit further comprises a second voltmeter arranged outside the cabinet body, the switch unit further comprises an output voltage reversing switch, the output ends of the first silicon controlled module, the second silicon controlled module and the third silicon controlled module are respectively connected with a fuse and are connected with the second voltmeter through the output voltage reversing switch, and the second voltmeter is used for displaying output voltage values corresponding to the load output ends of the A-item electricity, the B-item electricity or the C-item electricity in the cabinet body.

Further, the display unit further comprises an ammeter of electricity of A, an ammeter of electricity of B, an ammeter of electricity of C and a power factor meter which are arranged outside the cabinet body, and a first current transformer and a second current transformer are further connected between the knife switch and the protector, wherein the first current transformer is connected to electricity of A, the wiring terminal is divided into Ka and Kb, Ka is connected to the power factor meter, the power factor meter is connected to the ammeter of electricity of A, Kb is connected to the ammeter of electricity of B, the second current transformer is connected to electricity of C, the wiring terminal is divided into Kc and Kd, Kc is connected to the ammeter of electricity of C, Kd is grounded, and the other wiring terminal of the ammeter of electricity of A, the ammeter of electricity of B and the ammeter of electricity of C is connected to the same wire to form a star connection method, and the ammeter of electricity of, B. C three-phase electric current.

The utility model provides an intelligence power-saving switch screen mainly is applicable to the distribution room and uses in perhaps the factory building, for indoor equipment, has following positive effect:

(1) the whole machine is contactless, an alternating current contactor is not needed, and the problem that contacts are easy to burn out and break under the traditional power distribution equipment is effectively solved through the online operation of the silicon controlled module;

(2) the time of the soft start of the motor (from start-up to full-speed operation) can be set manually according to the load condition of the motor;

(3) the switch screen is used on a motor with a power saving condition, and the power saving is realized by adjusting an effective voltage value applied to the motor, specifically: the cabinet body is externally provided with a first voltmeter and a second voltmeter, the first voltmeter displays the voltage of a power grid, the second voltmeter displays the effective voltage applied to a load (a motor), when the power-saving operation is carried out, the first voltage is unchanged, the second voltage is changed along with the change of the load, and the change range is between 0 and 80 v.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic circuit diagram of the present invention.

In the figure: 1. a first voltmeter; 2. a second voltmeter; 3. a power factor table; 4. an ammeter with the electricity of item A; 5. b term electric ammeter; 6. c term electric ammeter; 7. an intelligent power-saving switch screen controller; 8. an input voltage steering switch; 9. an output voltage reversing switch; 10. three-phase electric voltage indicator lamps; 11. a transformer indicator light; 12. a protector switch; 13. a protector; 14. a connector; 15. a first current transformer; 16. a second current transformer; 17. a fan; 18. an air switch; VA, the first silicon controlled module; VB and a second silicon controlled module; VC, third silicon controlled module.

Detailed Description

As shown in fig. 1-2, the utility model provides an intelligent power-saving switch screen, which comprises a cabinet body, wherein a display unit and a control unit are arranged outside the cabinet body in rows. The display unit comprises a first voltmeter 1, a second voltmeter 2, a power factor meter 3, an ammeter 4 for electricity in item A, an ammeter 5 for electricity in item B, an ammeter 6 for electricity in item C, a transformer indicator lamp 11 and a voltage indicator lamp 10 for electricity in three items; the control unit comprises a switch unit and an intelligent power-saving switch screen controller 7 (the model is ZJK series intelligent power-saving switch screen controller), wherein the switch unit comprises an input voltage steering switch 8, an output voltage reversing switch 9 and a protector switch 12. The cabinet body is internally provided with a knife switch, a protector 13 (model: DBH-8 type 150A), an air switch 18, a fuse, a first silicon controlled module VA, a second silicon controlled module VB, a third silicon controlled module VC, a transformer and a connector 14 (model: CA-20J), wherein the silicon controlled modules adopt products of PK series or MTC series, when the connector 15 is actually connected with the intelligent power-saving switch screen controller 7, the connector 15 is provided with a corresponding plug, the intelligent power-saving switch screen controller 7 is provided with a corresponding socket, and the plug is matched with the socket.

The back is connected with the electric wire netting to the electric wire netting input end of the cabinet body, through sword switch, protector, air switch 18 and first silicon controlled module VA, second silicon controlled module VB, third silicon controlled module VC is connected, first silicon controlled module VA, second silicon controlled module VB, the output and the consumer load of third silicon controlled module VC are connected, protector 13 passes through connecting terminal and transformer and is elementary to be connected, transformer secondary is connected to connector 14, for connector 14 and the power supply of intelligent power-saving switch screen controller 7, connector 13 is connected the outside intelligent power-saving switch screen controller 7 of the cabinet body, and connector 14 passes through connecting terminal respectively with first silicon controlled module VA, second silicon controlled module VB, third silicon controlled module VC is connected, specifically, the trigger pole order that the silicon controlled module inserts the connector does: k1, G1, K2, G2, guarantee with connector 14 terminal order correspond can, like this in the actual use, the user passes through setting up the intelligent power saving switch screen controller 7 outside the cabinet body through operating, with signal transmission to connector 14, by connector 14 with signal transmission to silicon controlled rectifier module again to realityThe output voltage of the load end of the electric equipment is controlled. In addition, one end of the knife switch connected with the protector 13 is connected with a fuse and is connected with a first voltmeter 1 through a connection input voltage reversing switch 8, and the first voltmeter 1 is used for displaying an input voltage value corresponding to the power grid input end of the cabinet body of the A-item electricity, the B-item electricity or the C-item electricity. In addition, the output ends of the first silicon controlled module VA, the second silicon controlled module VB and the third silicon controlled module VC are respectively connected with the fuse and are connected with the second voltmeter 2 through the output voltage reversing switch 9, and the second voltmeter 2 is used for displaying the output voltage value corresponding to the load output end of the A-item electricity, the B-item electricity or the C-item electricity in the cabinet body. In particular, during operation, the value of the second voltmeter 2 is smaller than the value of the first voltmeter 1, and the value of the second voltmeter 2 changes according to the change of the load of the motor. In addition, a model LMZJ is connected between the knife switch and the protector₁A first current transformer 15 and a second current transformer 16 of 0.5, wherein the first current transformer 15 is connected to the electricity of item a, the terminals are Ka and Kb, Ka is connected to the power factor meter, the power factor meter is connected to the ammeter of item a, Kb is connected to the ammeter of item B, the second current transformer is connected to the electricity of item C, the terminals are Kc and Kd, Kd is connected to the ammeter of item C, Kd is grounded, and the other terminals of the ammeter 4 of item a, the ammeter 5 of item B and the ammeter 6 of item C are connected to the same conductor to form a star connection, and the ammeter 4 of item a, the ammeter 5 of item B and the ammeter 5 of item C are respectively used for displaying A, B, C currents of three items.

The utility model discloses a fan 17, the power consumption is connected with the fan 17 between first silicon controlled module VA, second silicon controlled module VB, third silicon controlled module VC and the power consumption load for the heat dissipation of silicon controlled module, in actual setting, can set up fan 17 in cabinet internal portion, in the specific circuit setting, the one end of fan 17 on the circuit of three electricity places is connected on the circuit of silicon controlled module rather than corresponding and consumer connection, the other end is connected to same wire respectively, form star type connection, like this, just so, can turn into 220V voltage with the 380V electricity of getting through star type connection.

Claims

1. The intelligent power-saving switch screen is provided with a cabinet body and is characterized in that a display unit and a control unit are arranged outside the cabinet body, and the display unit comprises a transformer indicator light; the control unit comprises a switch unit and an intelligent power-saving switch screen controller, the switch unit comprises a protector switch, a knife switch, a protector, an air switch, a first silicon controlled module, a second silicon controlled module, a third silicon controlled module, a transformer and a connector are arranged in the cabinet body, after the power grid input end of the cabinet body is connected with a power grid, the knife switch, the protector and the air switch are connected with the first silicon controlled module, the second silicon controlled module and the third silicon controlled module, the output ends of the first silicon controlled module, the second silicon controlled module and the third silicon controlled module are connected with a load of electric equipment, the protector is primarily connected with the transformer through a connecting terminal, the transformer is secondarily connected to the connector, the connector is connected with the intelligent power-saving switch screen controller outside the cabinet body, and the connector is respectively connected with the first silicon controlled module, the third silicon, The second silicon controlled rectifier module, third silicon controlled rectifier module, wherein, the transformer is connected the outside transformer pilot lamp of the cabinet body.

2. The intelligent power-saving switch screen according to claim 1, wherein a fan is connected between the first silicon controlled module, the second silicon controlled module, the third silicon controlled module and the power load, and the fan is arranged inside the cabinet body.

3. The intelligent power-saving switch screen according to claim 1, wherein the display unit further comprises a first voltmeter arranged outside the cabinet, the switch unit further comprises an input voltage steering switch, one end of the knife switch connected with the protector is connected with the fuse and is connected with the first voltmeter by being connected with the input voltage steering switch, and the first voltmeter is used for displaying an input voltage value corresponding to an input end of the A-item electricity, the B-item electricity or the C-item electricity at the power grid of the cabinet.

4. The intelligent power-saving switch screen of claim 1, wherein the display unit further comprises a second voltmeter arranged outside the cabinet, the switch unit further comprises an output voltage reversing switch, the output ends of the first silicon controlled module, the second silicon controlled module and the third silicon controlled module are respectively connected with a fuse and are connected with the second voltmeter through the output voltage reversing switch, and the second voltmeter is used for displaying the output voltage value corresponding to the load output end of the A-item electricity, the B-item electricity or the C-item electricity at the cabinet.

5. The intelligent power-saving switch screen of claim 1, wherein the display unit further comprises an A-item electric ammeter, a B-item electric ammeter, a C-item electric ammeter and a power factor meter which are arranged outside the cabinet body, a first current transformer and a second current transformer are further connected between the knife switch and the protector, wherein the first current transformer is connected to the A-item electric ammeter, the connecting terminals are Ka and Kb, Ka is connected to the power factor meter, the power factor meter is connected to the A-item electric ammeter, Kb is connected to the B-item electric ammeter, the second current transformer is connected to the C-item electric ammeter, the connecting terminals are Kc and Kd, Kc is connected to the C-item electric ammeter, Kd is grounded, and the other connecting terminal of the A-item electric ammeter, the B-item ammeter and the C-item ammeter is connected to the same wire to form a star connection method, the A-item electric ammeter, the B-item ammeter, the C-item ammeter, The ammeter of B term electricity and the ammeter of C term electricity are respectively used for displaying A, B, C current of three terms of electricity.