Safety type safety device

Abstract

The utility model relates to a safety type safety device, which is characterized in that a support plate is fixedly arranged on one side of a shell, a clamp is arranged on the support plate, a first metal sheet and a second metal sheet are respectively and fixedly arranged at the inner ends of two clamping sheets of the clamp, a main board is arranged in the shell, and a time delay relay module switch is arranged on the main board. A power supply battery connected with a negative electrode wiring terminal and a positive electrode wiring terminal on the mainboard is installed in the battery box, a ceramic insulation sheet is movably clamped between the first metal sheet and the second metal sheet, and the first metal sheet and the second metal sheet are fixedly installed at the inner ends of the two clamping sheets respectively to clamp the ceramic insulation sheet. And the circuit is always in an open-circuit state in the operation process of an operator.

Description

Technical Field

[0001] The utility model relates to the field of electricity, in particular to a safety fuse. Background Art

[0002] In the simulation training of explosive setting, the time delay control switch is often used. The time delay control switch is a new type of automatic time delay electronic switch developed to save power resources. It is power-saving and convenient. In addition to the need to set up and actively control the structure of the traditional time delay control switch, its overall cost is relatively high. In addition, the operator's wiring is prone to errors such as line setting due to lack of experience, resulting in accidental injuries during the detonation process.

[0003] Therefore, providing a safety insurance device with simple structure, convenient operation, low cost, high safety factor, double insurance function, reduced accidental injury and sufficient protection has broad market prospects. Summary of the invention

[0004] In view of the shortcomings of the prior art, the utility model provides an extrusion molding device for moxa products with simple structure, easy operation, high working and operating efficiency, easy use, strong continuous production capacity, high degree of mechanization, saving human resources, and reducing the labor intensity of manual kneading, which is used to overcome the defects in the prior art.

[0005] The technical solution of the utility model is implemented as follows: a safety insurance device comprises a shell, a display arranged on the front side of the shell, and a battery box arranged on the rear side of the shell, a support plate is fixedly installed on one side of the shell, a clip is installed on the support plate, a first metal sheet and a second metal sheet are fixedly installed on the inner ends of two clamping pieces of the clip respectively, a main board is installed in the shell, a delay relay module switch is installed on the main board, a power supply battery connected to the negative terminal and the positive terminal on the main board is installed in the battery box, and a ceramic insulating sheet is movably clamped between the first metal sheet and the second metal sheet.

[0006] Furthermore, a digital display tube connected to a display is installed on the delay relay module switch.

[0007] Furthermore, the support plate and the rear portion of the shell are an integrated structure, the thickness of the shell is not less than the thickness of the support plate, and the bottom clamping piece of the clip is fixedly mounted on the support plate.

[0008] Furthermore, the first metal sheet and the second metal sheet are equal in shape and size, and the first metal sheet and the second metal sheet are installed on the inner sides of the opening and closing ends of the two clamping sheets in a corresponding manner by inlaying.

[0009] Furthermore, one side of the delay relay module switch is provided with a switch negative terminal and a switch positive terminal, and the other side of the delay relay module switch is provided with a normally open load negative terminal, a switch common terminal and a switch normally closed terminal.

[0010] Furthermore, the ceramic insulating sheet is a sheet-like structure, a pull rope is connected to the outer end of the ceramic insulating sheet, and the positive and negative electrodes of the power battery are connected to the positive electrode terminal and the negative electrode terminal respectively.

[0011] Furthermore, the negative terminal of the switch is connected to the second metal sheet through a wire, the first metal sheet is connected to the negative terminal through a wire, the positive terminal is connected to the positive terminal of the switch through a wire, the common terminal of the switch is connected to the wire connecting the negative terminal of the switch and the second metal sheet through a wire, and the positive terminal of the load is connected to the wire connecting the positive terminal and the positive terminal of the switch.

[0012] The utility model has the following positive effects: This product is made to prevent operators from causing casualties by mistakenly detonating explosives during line setting in explosive setting simulation training. The product is equipped with a clip to achieve a double insurance function, and the first metal sheet and the second metal sheet are respectively fixedly installed on the inner ends of the two clamping pieces to clamp the ceramic insulating sheet, ensuring that the line is always in a disconnected state during the operation of the operator. After the setting is completed, the personnel unplug the protective ceramic insulating sheet and evacuate. After 30 seconds, the line is connected, thereby ensuring the safety of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0014] Figure 2 It is a rear view structural schematic diagram of the utility model.

[0015] Figure 3 It is a side structural schematic diagram of the utility model.

[0016] Figure 4 It is a schematic diagram of the internal structure of the utility model.

[0017] Figure 5 This is a schematic diagram of the circuit connection structure of the utility model. DETAILED DESCRIPTION

[0018] like Figure 1 , 2As shown in Figures 3, 4 and 5, a safety type fuse device comprises a shell 1, a display 2 arranged on the front side of the shell 1, and a battery box 7 arranged on the rear side of the shell 1, a support plate 3 is fixedly installed on one side of the shell 1, a clip 4 is installed on the support plate 3, and a first metal sheet 18 and a second metal sheet 19 are fixedly installed on the inner ends of two clamping pieces of the clip 4, a main board 8 is installed in the shell 1, a delay relay module switch 9 is installed on the main board 8, a power supply battery 17 connected to the negative terminal 10 and the positive terminal 11 on the main board is installed in the battery box 7, and a ceramic insulating sheet 5 is movably clamped between the first metal sheet 18 and the second metal sheet 19.

[0019] The delay relay module switch 9 is provided with a digital display tube 20 connected to the display 2. The support plate 3 is an integral structure with the rear part of the housing 1, the thickness of the housing 1 is not less than the thickness of the support plate 3, and the bottom clamping piece of the clip 4 is fixedly installed on the support plate 3. The first metal sheet 18 and the second metal sheet 19 are equal in shape and size, and the first metal sheet 18 and the second metal sheet 19 are installed on the inner side of the opening and closing ends of the two clamping pieces in an inlaid manner. A switch negative terminal 12 and a switch positive terminal 13 are provided on one side of the delay relay module switch 9, and a normally open load negative terminal 14, a switch common terminal 15 and a switch normally closed terminal 16 are provided on the other side of the delay relay module switch 9. The ceramic insulating sheet 5 is a sheet structure, and a pull rope 6 is connected to the outer end of the ceramic insulating sheet 5, and the positive and negative electrodes of the power supply battery 17 are connected to the positive terminal 11 and the negative terminal 10 respectively.

[0020] When in use, install the power battery 17 into the battery box 7. In order to facilitate the installation of the load part when the product is in use, the load positive terminal 21 and the normally open load negative terminal 14 are reserved with wiring ports on one side of the shell 1. The wiring hole can be set to a groove wiring method or a clamping wiring method. The internal circuit of the shell is pre-connected and sealed in the shell. The cover of the shell 1 can be easily opened to simulate the operation of connection and wiring training operations. When the opening and closing operation is in operation, the opening and closing operation of the top plate of the shell 1 is implemented by setting a hinge or a snap-on opening and closing buckle on the top side of the shell 1 away from the support plate 3.

[0021] When the connection operation is in operation, the negative terminal 12 of the switch is connected to the second metal sheet 19 through a wire, the first metal sheet 18 is connected to the negative terminal 10 through a wire, the positive terminal 11 is connected to the positive terminal 13 of the switch through a wire, the common terminal 15 of the switch is connected to the wire connecting the negative terminal 12 of the switch and the second metal sheet 19 through a wire, and the positive terminal 21 of the load is connected to the wire connecting the positive terminal 11 and the positive terminal 13 of the switch.

[0022] During the connection operation, the ceramic insulating sheet 5 is located between the first metal sheet 18 and the second metal sheet 19, and the ceramic insulating sheet 5 between the first metal sheet 18 and the second metal sheet 19 is clamped by the clamping force of the clamp 4 to disconnect the first metal sheet 18 and the second metal sheet 19. When the power supply is connected, the entire device is connected. At this time, the negative pole of the power battery 17 is connected to the negative terminal 10, and the negative terminal 10 is connected to the first metal sheet 18 through a wire. The first metal sheet 18 is isolated from the second metal sheet 19 by the ceramic insulating sheet 5, and the second metal sheet 19 is connected to the switch negative terminal 12 through a wire. The load positive terminal 21 and the normally open load negative terminal 14 are connected to the positive and negative poles of the load end according to the specific situation.

[0023] When the ceramic insulating sheet 5 is pulled out by the pull rope 6, the first metal sheet 18 and the second metal sheet 19 contact to form a path, the delay relay module switch 9 is started, and the display 2 shows a countdown of 30 seconds, after which the line is connected to implement the path connection to the load end.

Claims

1. A safety device, comprising a housing (1), a display (2) arranged on the front side of the housing (1), and a battery box (7) arranged on the rear side of the housing (1), characterized in that: A support plate (3) is fixedly mounted on one side of the housing (1), a clip (4) is mounted on the support plate (3), a first metal sheet (18) and a second metal sheet (19) are fixedly mounted on the inner ends of two clamping plates of the clip (4), a main board (8) is mounted in the housing (1), a delay relay module switch (9) is mounted on the main board (8), a power supply battery (17) connected to the negative electrode terminal (10) and the positive electrode terminal (11) on the main board is mounted in the battery box (7), and a ceramic insulating sheet (5) is movably clamped between the first metal sheet (18) and the second metal sheet (19).

2. The safety device according to claim 1, characterized in that: The delay relay module switch (9) is provided with a digital display tube (20) connected to the display (2).

3. The safety device according to claim 1, characterized in that: The support plate (3) and the rear part of the shell (1) are an integrated structure, the thickness of the shell (1) is not less than the thickness of the support plate (3), and the bottom clamping piece of the clip (4) is fixedly mounted on the support plate (3).

4. The safety device according to claim 1, characterized in that: The first metal sheet (18) and the second metal sheet (19) are equal in shape and size, and are mounted on the inner sides of the opening and closing ends of the two clamping sheets in a corresponding manner through inlay.

5. The safety device according to claim 1, characterized in that: One side of the time delay relay module switch (9) is provided with a switch negative terminal (12) and a switch positive terminal (13), and the other side of the time delay relay module switch (9) is provided with a normally open load negative terminal (14), a switch common terminal (15) and a switch normally closed terminal (16).

6. The safety device according to claim 1, characterized in that: The ceramic insulating sheet (5) is a sheet-like structure, and a pull rope (6) is connected to the outer end of the ceramic insulating sheet (5). The positive electrode and the negative electrode of the power battery (17) are respectively connected to the positive electrode terminal (11) and the negative electrode terminal (10).

7. The safety device according to claim 5, characterized in that: The negative terminal (12) of the switch is connected to the second metal sheet (19) via a wire, the first metal sheet (18) is connected to the negative terminal (10) via a wire, the positive terminal (11) is connected to the positive terminal (13) of the switch via a wire, the common terminal (15) of the switch is connected to a wire connecting the negative terminal (12) of the switch and the second metal sheet (19) via a wire, and the positive terminal (21) of the load is connected to the wire connecting the positive terminal (11) and the positive terminal (13) of the switch.

Images