CN203941221U - Without electric display - Google Patents

Abstract

The utility model discloses a non-electric display, which relates to the technical field of devices for indicating the presence or absence of electric current. It includes an insulating shell, an insulating hook, a light bulb installation opening, a second conductive sheet of the light bulb installation opening, and a light bulb; a battery placement groove is provided at the bottom of the insulation casing, and the battery placement groove is provided with a first conductive sheet, a spring conductive sheet and a battery; The upper part of the battery storage slot is fixed with a conductive tube and an insulating spring. The conductive tube is electrically connected to the first conductive sheet. The free end of the insulating spring is movable inside the conductive plug. When the iron is at the top of the slideway, the distance between the electromagnet and the battery slot is equal to the free height of the insulating spring; there is a wire slot at the bottom of the electromagnet, and one end of the wire is placed in the wire slot to connect with the conductive plug, and the other end is connected to the spring conductive sheet Connection, the middle part of the wire is connected to the second conductive sheet. The utility model can display whether the circuit is electrified, and provides safety guarantee for the circuit maintenance.

Description

No power display

technical field

The utility model relates to the technical field of devices for indicating the presence or absence of electric current.

Background technique

During maintenance of a certain section of overhead line, branch and end line or power outage operation, it is impossible to correctly judge whether the line is live or not, which may cause accidental injury to the staff, and there is a great potential safety hazard.

Utility model content

The technical problem to be solved by the utility model is to provide a non-electric display. After the display is installed on the overhead line, branch or tail end line, it can display whether the section of line is charged by turning on and off the bulb, so that the staff can It is clear at a glance whether the line is live, which provides a safety guarantee for the line maintenance process. the

In order to solve the above technical problems, the technical solution adopted by the utility model is: a non-electric display, including an insulating shell, the bottom of the insulating shell is provided with a light bulb installation port, the top of the light bulb mounting port is provided with a second conductive sheet, and the light bulb It is installed in the bulb installation port through threaded connection and is in contact with the second conductive sheet; there is a battery placement slot under the inside of the insulating housing, the top and bottom of the battery placement slot are respectively provided with a first conductive sheet and a spring conductive sheet, and the battery is installed in the battery placement In the groove; the upper part of the battery storage tank is fixed with a conductive tube, the conductive tube is electrically connected to the first conductive sheet, an insulating spring is fixed inside the conductive tube and above the battery storage tank, the free end of the upper part of the insulating spring is movable inside the conductive plug, and the top of the conductive plug is fixed There is an electromagnet, and the electromagnet slides in the slideway above the inside of the insulating housing; when the electromagnet is on the top of the slideway, the distance between the bottom of the electromagnet and the top of the battery slot is equal to the free height of the insulating spring; the bottom of the electromagnet is open There is a wire trough, one end of the wire is placed in the wire trough and connected to the conductive plug, the other end of the wire is connected to the spring conductive sheet, and the middle part of the wire is connected to the second conductive sheet; an insulating hook is provided on the outside of the insulating shell.

Preferably, the insulating hook further includes a baffle, one end of the baffle is hinged to the lower part of the insulating hook, and the other end of the baffle leans against the inner side of the hook tip of the insulating hook.

Preferably, a battery cover is provided on the outside of the insulating case corresponding to the battery placement slot.

The beneficial effects produced by adopting the above-mentioned technical scheme are:

(1) After the utility model is installed on the overhead line, branch or tail end line, it can display whether the line is live or not by turning on and off the light bulb, so that the staff can see at a glance whether the line is live or not, and provides a guarantee for the line maintenance process. security;

(2) The non-electric display is simple in structure, easy to manufacture, low in cost, and suitable for popularization and use; the design of the bulb installation port is convenient for the installation and replacement of the bulb; the design of the slideway is convenient for the electromagnet to slide up and down; At the top of the track, the distance between the bottom of the electromagnet and the top of the battery slot is equal to the free height of the insulating spring. This design of the insulating spring will not hinder the upward sliding of the electromagnet; the design of the wire groove at the bottom of the electromagnet can prevent the wires from being subjected to electromagnetic waves for a long time. Damaged by the weight of iron.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail;

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic cross-sectional view of Figure 1;

Fig. 3 is the structural representation when the utility model is hung on the charged power supply line;

Fig. 4 is the structural representation when the utility model is hung on the power supply line of power failure;

In the figure, 1. insulating hook; 2. block; 3. slideway; 4. insulating shell; 5. electromagnet; 6. wire groove; 7. conductive plug; 8. insulating spring; 9. conductive tube; 10 1, first conductive sheet; 11, battery slot; 12, battery; 13, wire; 14, spring conductive sheet; 15, second conductive sheet; 16, bulb installation port; 17, bulb; 18, battery cover; 19, power supply circuit.

Detailed ways

A non-electric display, as shown in Figure 1 and Figure 2, includes an insulating housing 4, the bottom of the insulating housing 4 is provided with a bulb installation opening 16, and the top of the bulb installation opening 16 is provided with a second conductive sheet 15, and the bulb 17 passes through the The screw connection is set in the bulb installation port 16 and contacts with the second conductive sheet 15; the battery placement groove 11 is provided under the inside of the insulating housing 4, and the first conductive sheet 10 and the spring conductive sheet are respectively arranged on the top and bottom of the battery placement groove 11 14. The battery 12 is installed in the battery placement slot 11; the upper part of the battery placement slot 11 is fixed with a conductive tube 9, the conductive tube 9 is electrically connected to the first conductive sheet 10, and an insulating spring 8 is fixed inside the conductive tube 9 and above the battery placement slot 11 , the free end of the upper part of the insulating spring 8 is movable inside the conductive plug 7, and the top of the conductive plug 7 is fixed with an electromagnet 5, and the electromagnet 5 slides and is arranged in the slideway 3 above the inside of the insulating housing 4; when the electromagnet 5 is located in the slideway 3 At the top, the distance between the bottom of the electromagnet 5 and the top of the battery placement groove 11 is equal to the free height of the insulating spring 8; the bottom of the electromagnet 5 has a wire groove 6, and one end of the wire 13 is placed in the wire groove 6 and connected to the conductive plug 7 To connect, the other end of the electric wire 13 is connected to the spring conductive sheet 14, and the middle part of the electric wire 13 is connected to the second conductive sheet 15;

When this battery-free display was not in use, the battery 12 was not installed. When needing to use this display on overhead line, branch or end line, at first, this display is hung on the power supply line 19 by hook 1, installs battery 12 again, as line power failure, then this display circuit is connected, bulb 17 sends out Bright; when electrified, this display circuit is disconnected, and bulb 17 is not bright, improves safety guarantee in the circuit maintenance process.

The principle of this non-electric display is: when the display is hung on the overhead line, branch or tail end line, when the power supply line 19 is charged, it is magnetic, which can attract the electromagnet 5 to slide upwards, so that the conductive plug 7 and the conductive tube 9 are separated. The circuit in the display is disconnected, and the bulb 17 is not bright; when the power supply line 19 is powered off, there is no magnetism, and the electromagnet 5 slides down by gravity, and the insulating spring 8 is compressed so that the conductive plug 7 is inserted into the conductive tube 9, and the conductive plug 7 is connected with the conductive tube. 9 contacts, the circuit in this display is communicated, and bulb 17 shines (seeing in Fig. 3, shown in Fig. 4).

The design of the light bulb installation port 16 is convenient for the installation and replacement of the light bulb 17; the conductive tube 9 and the insulating spring 8 are fixed on the top of the battery placement groove 11, which is very stable; the design of the slideway 3 is convenient for the electromagnet 5 to slide up and down; when the electromagnet 5 When located at the top of the slideway 3, the distance between the bottom of the electromagnet 5 and the top of the battery slot 11 is equal to the free height of the insulating spring 8 (the height of the spring without external force), and the insulating spring 8 will not hinder the electromagnet in this design 5 slides upward; the design of the wire slot 6 at the bottom of the electromagnet 5 can prevent the electric wire 13 from being damaged by the gravity of the electromagnet 5 for a long time. The electroless display is simple in structure, easy to manufacture, low in cost and suitable for popularization and use.

Bulb 17 can be selected the obvious bulb of color such as red, green light for use, so that identify.

The insulating hook 1 also includes a blocking piece 2 , one end of the blocking piece 2 is hinged to the lower part of the insulating hook 1 , and the other end of the blocking piece 2 leans against the inside of the tip of the insulating hook 1 . The design of blocking plate 2 can prevent this non-electric display from falling off from the power supply line 19, so that this non-electric display is fixed firmly on the power supply line 19.

A battery cover 18 is provided outside the insulating case 4 and corresponding to the battery placement slot 11 . The design of the battery cover 18 is convenient for the battery 12 to be taken out and installed from the battery-free display.

During the inspection or power outage operation of a certain section of overhead lines, branches and end lines, while doing a good job of safety protection, the use of this non-electric display can play a secondary protective role for line maintenance personnel to normally judge whether the line is live or not. Improve the safety of line maintenance work. The non-electric display can be applied in the 10KV and below overhead line, branch and tail line power outage maintenance or accident repair process, and is suitable for popularization and use. the

Claims (3)

1. A non-electric display, characterized in that: it includes an insulating casing (4), the bottom of the insulating casing (4) is provided with a light bulb installation port (16), and the top of the light bulb installation port (16) is provided with a second The conductive sheet (15) and the bulb (17) are set in the bulb installation port (16) through threaded connection and are in contact with the second conductive sheet (15); a battery placement slot (11) is provided at the bottom of the insulating casing (4) ), the top and bottom of the battery placement slot (11) are respectively provided with a first conductive sheet (10) and a spring conductive sheet (14), the battery (12) is installed in the battery placement slot (11); the upper part of the battery placement slot (11) A conductive tube (9) is fixed, and the conductive tube (9) is electrically connected to the first conductive sheet (10). An insulating spring (8) is fixed inside the conductive tube (9) and above the battery placement slot (11). The insulating spring (8 ) The upper free end is movable inside the conductive plug (7), the top of the conductive plug (7) is fixed with an electromagnet (5), and the electromagnet (5) slides in the slideway (3) above the inside of the insulating housing (4) ; When the electromagnet (5) is located at the top of the slideway (3), the distance between the bottom of the electromagnet (5) and the top of the battery placement slot (11) is equal to the free height of the insulating spring (8); the electromagnet (5) ) has a wire groove (6) at the bottom, one end of the wire (13) is placed in the wire groove (6) and connected to the conductive plug (7), the other end of the wire (13) is connected to the spring conductive piece (14), and the wire (13) The middle part is connected to the second conductive piece (15); the insulating hook (1) is provided on the outer top of the insulating housing (4). 2. The non-electric display according to claim 1, characterized in that the insulating hook (1) further includes a blocking piece (2), and one end of the blocking piece (2) is hinged to the lower part of the insulating hook (1), The other end of the blocking piece (2) leans against the inner side of the hook tip of the insulating hook (1). 3. The batteryless display according to claim 1, characterized in that a battery cover (18) is provided outside the insulating casing (4) corresponding to the battery placement slot (11).