CN210245442U

CN210245442U - Low-voltage switch and protection control device for automatic control system

Info

Publication number: CN210245442U
Application number: CN201921184619.7U
Authority: CN
Inventors: Chun Yang; 杨春
Original assignee: Wuxi Grace Technology Co Ltd
Current assignee: Wuxi Grace Technology Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-03
Anticipated expiration: 2029-07-26

Abstract

The utility model provides an automatic change low voltage switch, protection controlling means for control system relates to the automatic control system field. Including the switch base, the last fixed surface of switch base installs a supporting bench, the top fixed mounting of a supporting bench has the on-off control case, one side fixed mounting of on-off control case has protection device, protection device's inside fixed mounting has the lip block, the one end fixed mounting of lip block has the yoke, this automatic control system uses low voltage switch, protection control device, through setting up the effectual timely suggestion of reporting to the police when circuit fault takes place of warning light, through the interference that sets up the effectual external current that cuts off of electrostatic insulation layer for low voltage control switch is more safe and reliable, through the cooperation that sets up pressure spring and first coil and second coil, application electromagnetic force principle, the effectual disconnection that carries out timely when the switch short circuit of having solved, it increases the security to relieve circuit fault.

Description

Low-voltage switch and protection control device for automatic control system

Technical Field

The utility model relates to an automatic change control system technical field specifically is low-voltage switch, protection controlling means for automatic change control system.

Background

The system comprises an automatic control system project, an electromechanical technical service, a PLC program (program) design, a change, a servo control system design and installation, a variable frequency control system design and installation, a motor control system design and installation, a hydraulic pneumatic control system design and installation, an electric heating control system design and installation, a gas heating control system design and installation and an electromechanical technical service. The purpose of the dispatch plan is to ensure the economy and reliability of system operation. The method can be divided into a power and electricity balance plan, an overhaul plan, a reliability prediction plan, a system composition plan and the like. These are mainly performed at the central control and the intermediate control. For the power-electricity balance plan, in order to optimize the whole system, it should be made by the central control, but necessary data should be collected by the intermediate control and transmitted to the central control according to the principle of hierarchical processing. The maintenance plan and the system composition plan are made by each administration system, and care should be taken to minimize data exchange between layers.

The existing low-voltage switch and protection control device for the automatic control system are more powerful in development under the promotion of an economic globalization strategy, particularly after an electric automatic control technology is introduced into the industrial field, but the phenomena of switch short circuit and the like are dangerous occasionally appearing in the automatic control system, and unnecessary loss can be caused when the low-voltage switch and the protection control device cannot be well controlled in the short circuit.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an automatic change low voltage switch, protection controlling means for control system has solved the problem of mentioning among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: automatic change low-voltage switch, protection control device for control system, including the switch base, the last fixed surface of switch base installs a supporting bench, the top fixed mounting of supporting bench has the on-off control case, one side fixed mounting of on-off control case has protection device, protection device's inside fixed mounting has the spacer block, the one end fixed mounting of spacer block has the yoke, the yoke board is installed to one side of yoke, one side fixed mounting of yoke board has the iron core, the lower fixed surface of yoke board installs the support frame, down install first coil and second coil in proper order from last in the outside of support frame, the inside movable mounting who moves the iron core has the ejector pin, the pressure spring has been cup jointed in the outside of ejector pin, the inside fixed mounting of support frame has quiet iron core.

Preferably, one side of the switch control box is provided with a heat radiation fan.

Preferably, an electrostatic insulating layer is fixedly mounted on the upper surface of the switch control box.

Preferably, one side of the switch control box is fixedly provided with a hanging frame.

Preferably, one side of the hanging frame is sleeved with a connecting rod, and one end of the connecting rod is connected with a circular pillar.

Preferably, a warning light is fixedly mounted at the top of the circular support.

(III) advantageous effects

The utility model provides an automatic change low voltage switch, protection controlling means for control system. Has the following beneficial effects:

1. this automatic change low pressure switch, protection controlling means for control system is through setting up the effectual timely suggestion of reporting to the police when circuit fault takes place of warning light, through setting up the effectual interference that cuts off external current of static insulating layer for low pressure control switch is more safe and reliable.

2. This automatic change low pressure switch, protection controlling means for control system through the cooperation that sets up pressure spring and first coil and second coil, utilizes the electromagnetic force principle, and the effectual solution carries out timely disconnection when the switch short circuit, removes circuit fault and increases the security.

Drawings

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

fig. 2 is a schematic sectional view of the protection device of the present invention.

In the figure: the device comprises a switch base 1, a protection device 2, a support table 3, a connecting rod 4, a circular support column 5, a warning lamp 6, a hanging frame 7, a magnetic yoke 8, a magnetic yoke plate 9, a heat dissipation fan 10, a switch control box 11, an electrostatic insulating layer 12, a support frame 13, a pressure spring 14, a first coil 15, a second coil 16, an ejector rod 17, a movable iron core 18, a supporting cushion block 19 and a static iron core 20.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

The embodiment of the utility model provides a low-voltage switch for automatic control system, protection control device, as shown in figure 1-2, including switch base 1, switch base 1's upper surface fixed mounting has a brace table 3, through setting up brace table 3 and switch base 1 better to play the effect of supporting switch control box 11, the top fixed mounting of brace table 3 has switch control box 11, one side fixed mounting of switch control box 11 has protection device 2, through setting up protection device 2 to carry out timely processing to short-circuit fault, reduce the loss, protection device 2's inside fixed mounting has a supporting cushion 19, the one end fixed mounting of supporting cushion 19 has yoke 8, through setting up supporting cushion 19 better to support yoke 8, yoke board 9 is installed to one side of yoke 8, one side fixed mounting of yoke board 9 has movable core 18, through setting up movable core 18 better to make the protection facility to short-circuit fault, make ejector pin 17 can be better under the effect of magnetic force break away from quiet iron core 20, just so can break off current and flow through, the lower fixed surface of yoke plate 9 installs support frame 13, first coil 15 and second coil 16 are installed from last down in proper order in the outside of support frame 13, through setting up the better in the switch short circuit of first coil 15 and second coil 16, the electric current makes ejector pin 17 overcome the counter force of pressure spring 14 and break away from being connected with quiet iron core 20 through the electromagnetic force that the coil produced, the inside movable mounting who moves iron core 18 has ejector pin 17, the pressure spring 14 has been cup jointed in the outside of ejector pin 17, the inside fixed mounting of support frame 13 has quiet iron core 20, through setting up pressure spring 14 and ejector pin 17 and quiet iron core 20 better carry out troubleshooting to the circuit short circuit.

Specifically, one side of on-off control box 11 is equipped with cooling fan 10, and through setting up cooling fan 10 better in time dispel the heat to on-off control box 11 inside, play the guard action.

Specifically, the upper surface fixed mounting of switch control box 11 has electrostatic insulation layer 12, keeps apart external current through setting up that electrostatic insulation layer 12 is better to external current causes the interference destruction to low-voltage switch.

Specifically, one side fixed mounting of on-off control box 11 has the frame of hanging 7, through setting up the better support warning light 6 of hanging frame 7, in time informs the staff when breaking down.

Specifically, one side of the hanging frame 7 is sleeved with the connecting rod 4, one end of the connecting rod 4 is connected with the circular strut 5, and the connecting effect on the circular strut 5 is better through the connecting rod 4, so that the warning lamp 6 is better installed on the circular strut 5.

Specifically, the top fixed mounting of circular pillar 5 has warning light 6, through setting up warning light 6 better in time inform the staff when breaking down.

The working principle is as follows: when the circuit switch is used, a low-voltage switch and a protection control device for an automatic control system are installed, then a cooling fan 10 is turned on to cool a protection switch and an internal chip, so that the internal device switch is kept to work at normal temperature, the electrostatic insulation layer 12 is installed to avoid the interference of external electric quantity and cause unnecessary damage, when the circuit switch normally works, the current of a main circuit flows in from one side of a coil and flows out from the other side of the coil, the electromagnetic force generated by the current in normal work is insufficient to overcome the counter force of a pressure spring 14, and a mandril 17 is kept in a connection state with a static iron core 20; when the switch is short-circuited, the warning lamp 6 can give an alarm, when the current passes through the first coil 15 and the second coil 16, the ejector rod 17 overcomes the action of the reaction force of the pressure spring 14 under the action of electromagnetic force, and the ejector rod 17 is disconnected with the static iron core 20, so that the short-circuit fault of the switch is eliminated and the switch is disconnected.

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. Automatic change low voltage switch, protection controlling means for control system, including switch base (1), its characterized in that: the upper surface of the switch base (1) is fixedly provided with a supporting table (3), the top of the supporting table (3) is fixedly provided with a switch control box (11), one side of the switch control box (11) is fixedly provided with a protection device (2), the inside of the protection device (2) is fixedly provided with a supporting cushion block (19), one end of the supporting cushion block (19) is fixedly provided with a magnetic yoke (8), one side of the magnetic yoke (8) is provided with a magnetic yoke plate (9), one side of the magnetic yoke plate (9) is fixedly provided with a movable iron core (18), the lower surface of the magnetic yoke plate (9) is fixedly provided with a supporting frame (13), the outer side of the supporting frame (13) is provided with a first coil (15) and a second coil (16) from top to bottom in sequence, the inside of the movable iron core (18) is provided with a push rod (17), and the outer side of the push rod (, and a static iron core (20) is fixedly arranged in the support frame (13).

2. The low-voltage switch and protection control device for the automatic control system according to claim 1, wherein: and a heat radiation fan (10) is arranged on one side of the switch control box (11).

3. The low-voltage switch and protection control device for the automatic control system according to claim 1, wherein: and an electrostatic insulating layer (12) is fixedly arranged on the upper surface of the switch control box (11).

4. The low-voltage switch and protection control device for the automatic control system according to claim 1, wherein: and a hanging frame (7) is fixedly arranged on one side of the switch control box (11).

5. The low-voltage switch and protection control device for the automatic control system according to claim 4, wherein: one side of the hanging frame (7) is sleeved with a connecting rod (4), and one end of the connecting rod (4) is connected with a round pillar (5).

6. The low-voltage switch and protection control device for the automatic control system according to claim 5, wherein: and a warning lamp (6) is fixedly arranged at the top of the circular support column (5).