CN210534217U

CN210534217U - Household voltage indicator

Info

Publication number: CN210534217U
Application number: CN201920674313.3U
Authority: CN
Inventors: 黄海静
Original assignee: Leqing Dahe Electrical Co ltd
Current assignee: Leqing Dahe Electrical Co ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-05-15
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses a domestic voltage indicator, including the casing that two symmetries are closed, install pilot lamp and binding post in the casing, binding post is two fixed mounting contact in the casing, every all establish ties between contact and the pilot lamp and have the resistance, the screw has still been seted up on the contact, install set screw in the screw, the contact is for being used for inserting the wiring face of external circuit towards set screw one side, set up on the casing and be located the last handle hole that link up of set screw axis, the perpendicular to has still been seted up on the casing the mounting hole of set screw axis direction, the mounting hole with the wiring face corresponds. The utility model has simple structure and low cost; the operation is simple and convenient, and the wiring is quick; the indicator lamp is provided with the resistor and the capacitor, is not easy to damage and has long service life.

Description

Household voltage indicator

Technical Field

The utility model belongs to the technical field of indoor switch complete sets, in particular to domestic voltage indicator.

Background

The voltage indicator is a novel device for preventing electrical misoperation in a high-voltage switch cabinet of an electric power system. The high-voltage charge display device can transmit the signal indicating whether the high-voltage charged body is charged or not to the luminous or sound element, and display or simultaneously lock the high-voltage switch equipment. Such devices are rarely used in daily life, but a household voltage of 220 v is dangerous, and in daily life, a circuit is checked or modified sometimes, and an electric shock accident is often caused by a false touch in a detection process, so that a household voltage indicator is also necessary.

For example, Chinese patent CN206975073U discloses a voltage indicator, which comprises a voltage indicator body, one side of the voltage indicator body is provided with a heat dissipation hole, a dust screen is arranged inside the heat dissipation hole, the top of the voltage indicator body is provided with a chute, a sealing plate is arranged in the chute, the bottom wall of the sealing plate is provided with a plurality of gear grooves, the front part of the voltage indicator body is provided with a panel, the panel is provided with a jack, an indicator lamp is arranged above the jack, one side of the indicator lamp is provided with a button, one side of the panel is embedded with a first permanent magnet, the other side of the panel is provided with a baffle, one end of the baffle is embedded with a second permanent magnet, an electric cabinet is arranged inside the voltage indicator body, a storage battery is arranged inside the electric cabinet, the top of the storage battery is provided with a single chip microcomputer, a motor bracket is, the voltage indicator is convenient to open and maintain.

However, the voltage indicator suitable for the high-voltage circuit is complex in structure, inconvenient to install, high in manufacturing and using cost and not suitable for household popularization and use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a domestic voltage indicator, simple structure, the cost is lower, installation convenient to use.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a domestic voltage indicator, includes the casing that two symmetries closed together, installs pilot lamp and binding post in the casing, binding post is two fixed mounting contact in the casing, every all establish ties there is resistance between contact and the pilot lamp, the screw has still been seted up on the contact, install set screw in the screw, the contact is for being used for inserting the terminal surface of external circuit towards set screw one side, set up on the casing and be located the last handle hole that link up of set screw axis, the perpendicular to has still been seted up on the casing the mounting hole of set screw axis direction, the mounting hole with the terminal surface corresponds.

The utility model discloses when installing and using, need not to unpack apart the casing only needs follow the screwdriver stretch into in the handle hole, rotates set screw makes set screw's nut and contact separation, meanwhile, follows external circuit insert in the mounting hole, until inserting between wiring face and set screw's the nut, then reverse rotation set screw makes set screw's nut be close to the wiring face of contact to the tight external circuit of cooperation wiring face clamp accomplishes the installation.

The installation and use method has the advantages that the shell does not need to be disassembled, the operation is simple and convenient, the time and the labor are saved, the efficiency is high, the mistaken touch damage is not easy to occur, and the safety is high.

Preferably, a polypropylene capacitor is connected in parallel to one of the resistors, so that the voltage at the indicator lamp is effectively reduced, and the safety is improved.

Preferably, the contact piece includes fixed part fixed mounting on the casing and sets up the installation department of wiring face, the fixed part is the shape of buckling, be provided with the mount on the casing, set up on the mount with the fixed slot of the shape of buckling of fixed part adaptation, the fixed part and the fixed slot cooperation of the shape of buckling, the installation that can be comparatively firm is fixed the contact piece prevents to rock, influences the use.

Preferably, the housing is further provided with brackets for fixing the mounting portion, the brackets are located on two side surfaces of the mounting portion, the bracket located on one side of the wiring surface comprises two parts arranged on the two housings, a gap is reserved between the two parts, and the gap is located between the fixing screw and the mounting hole and cannot prevent an external circuit from entering the mounting hole.

Preferably, one side, close to the wiring surface, of a nut of the fixing screw is connected with a pressing sheet, the pressing sheet is sleeved on the fixing screw, and when the fixing screw is used, the pressing sheet and the wiring surface can be mutually pressed through rotating the fixing screw, so that an external circuit can be installed, and the fixing stability is improved.

Preferably, the installation department is provided with the cup joint in relative wiring face one side extends the annular rib of set screw outside, the rib inner wall be provided with the internal thread of set screw adaptation sets up the rib is for making the firm of installation between installation department and the set screw, and reduces the installation department warp to avoid influencing the installation of external circuit.

Preferably, the shell is provided with an indicating lamp socket, the indicating lamp socket is fixedly provided with a light-transmitting cover, and the indicating lamp is arranged in an alignment manner with the light-transmitting cover.

Preferably, the lamp cap of the indicator lamp is an LED lamp cap, and the LED lamp cap emits light when being electrified, so that whether the circuit is electrified or not can be detected.

Preferably, the lamp cap of the indicator lamp is a nixie tube lamp cap, and can display specific voltage values, so that whether the household voltage is stable or not can be conveniently observed.

Preferably, the two contact pieces are respectively a long contact piece and a short contact piece, and the length of the fixed part of the long contact piece is larger than that of the fixed part of the short contact piece, so that the internal circuit of the voltage indicator can be conveniently configured.

The beneficial effects of the utility model are that:

1. the structure is simple, and the cost is low;

2. the operation is simple and convenient, and the wiring is quick;

3. the indicator lamp is provided with the resistor and the capacitor, is not easy to damage and has long service life.

Drawings

Fig. 1 is a complete perspective view of an embodiment of the present invention;

FIG. 2 is an internal structural view of an embodiment of the present invention;

FIG. 3 is a schematic view of a contact plate and a fixing screw according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a fixing frame according to an embodiment of the present invention;

fig. 5 is a schematic view of an installation of an indicator light according to an embodiment of the present invention;

the items in the figure are respectively: the LED lamp comprises a shell 1, an indicator light 2, a contact 3, a resistor 4, a screw hole 5, a fixing screw 6, a wiring surface 7, an operation hole 8, a mounting hole 9, a polypropylene capacitor 10, a fixing part 11, a mounting part 12, a fixing frame 13, a fixing groove 14, a support 15, a pressing sheet 16, a reinforcing part 17, an indicator light socket 18, a light-transmitting cover 19, a long contact 20 and a short contact 21.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the following embodiments and accompanying drawings.

Example 1

As shown in fig. 1-2, a household voltage indicator comprises two symmetrical shells 1 which are installed in a screw fit manner, an indicator light 2 and a wiring terminal installed in the shell 1, wherein the wiring terminal is two contact pieces 3 which are fixedly installed in the shell, a resistor 4 is connected in series between each contact piece 3 and the indicator light 2, a polypropylene capacitor 10 is connected in parallel to one resistor 4, a screw hole 5 is further formed in each contact piece 3, a fixing screw 6 is installed in each screw hole 5, one surface of each contact piece 3, facing the fixing screw 6, is a wiring surface 7 for connecting an external circuit, a through operation hole 8 which is located on the axis of each fixing screw 6 is formed in the shell 1, an installation hole 9 which is perpendicular to the axis direction of each fixing screw 6 is further formed in the shell 1, and the installation hole 9 corresponds to the wiring surface 7.

The utility model discloses when installing and using, need not to unpack apart casing 1 only needs follow the screwdriver stretch into in the operation hole 8, rotates set screw 6 makes set screw 6's nut and contact 3 separation, meanwhile, follows external circuit insert in the mounting hole 9, until inserting between the nut of wiring face 7 and set screw 6, then reverse rotation set screw 6, make set screw 6's nut be close to contact 3's wiring face 7 to cooperation wiring face 7 presss from both sides tight external circuit, accomplishes the installation.

As shown in fig. 3-4, the contact 3 includes a fixed portion 11 fixedly mounted on the housing 1 and a mounting portion 12 provided with the wiring surface 7, the fixed portion 11 is bent, a fixing frame 13 is provided on the housing 1, a fixing groove 14 which is bent and matched with the fixed portion 11 is provided on the fixing frame 13, the fixed portion 11 and the fixing groove 14 are matched, so that the contact 3 can be stably mounted and fixed, and shaking and use influence are prevented. The two contact pieces 3 are respectively a long contact piece 20 and a short contact piece 21, and the length of the fixing part 11 of the long contact piece 20 is larger than that of the fixing part 11 of the short contact piece 21, so that the internal circuit of the voltage indicator can be configured conveniently.

Further, the housing 1 is further provided with a bracket 15 for fixing the mounting portion 12, the bracket 15 is located on two side surfaces of the mounting portion 12, the bracket 15 located on one side of the wiring surface 7 includes two portions arranged on the two housings 1, a gap is left between the two portions, the gap is located between the fixing screw 6 and the mounting hole 9, and the external wiring is not blocked from entering the mounting hole 9.

The nut of the fixing screw is close to one side of the wiring surface 7 and is further connected with a pressing sheet 16, the pressing sheet 16 is sleeved on the fixing screw 6, and when the fixing screw is used, the pressing sheet 16 and the wiring surface 7 can be pressed tightly through rotating the fixing screw 6, so that an external circuit can be installed, and the fixing stability is improved.

And installation department 12 is provided with the cup joint relatively to wiring face 7 one side, extends and is in the annular reinforcing portion 17 outside set screw 6, reinforcing portion 17 inner wall be provided with the internal thread of set screw 6 adaptation sets up reinforcing portion 17 is for making the firm of installation between installation department 12 and the set screw 6, and reduces installation department 12 warp to avoid influencing the installation of external circuit.

As shown in fig. 5, an indicator socket 18 is disposed on the housing 1, a transparent cover 19 is fixedly mounted on the indicator socket 18, and the indicator lamp 2 is aligned with the transparent cover 19.

In this embodiment, a circle of mounting arms is arranged at the edge of the light-transmitting cover 19, the indicator socket 18 is provided with a groove adapted to the mounting arms, the light-transmitting cover 19 is fixed on the housing 1 through the mounting arms and the groove, and a cavity for accommodating the lamp head of the indicator lamp 2 is arranged on one side of the light-transmitting cover 19 facing the inside of the housing 1.

In this embodiment, the lamp head of the indicator light 2 is an LED lamp head, and when the LED lamp head is powered on, the LED lamp head emits light, so that whether the circuit is powered on or not can be detected.

Example 2

The present embodiment is based on embodiment 1, and the technical solution is basically the same as embodiment 1, except that:

the lamp holder of the indicator light 2 is a nixie tube lamp holder, and can display specific voltage values, so that whether the household voltage is stable or not can be conveniently observed.

Claims

1. A home voltage indicator, comprising: comprises two symmetrical shells (1), an indicator light (2) and a wiring terminal which are arranged in the shells (1), the wiring terminal comprises two contact pieces (3) fixedly arranged in the shell (1), a resistor (4) is connected in series between each contact piece (3) and the indicator light (2), the contact piece (3) is also provided with a screw hole (5), a fixing screw (6) is arranged in the screw hole (5), one surface of the contact sheet (3) facing the fixing screw (6) is a wiring surface (7) for accessing an external circuit, a through operating hole (8) positioned on the axis of the fixing screw (6) is arranged on the shell (1), the shell (1) is further provided with a mounting hole (9) perpendicular to the axis direction of the fixing screw (6), and the mounting hole (9) corresponds to the wiring surface (7).

2. A home voltage indicator according to claim 1, wherein: one of the resistors (4) is connected with a polypropylene capacitor (10) in parallel.

3. A home voltage indicator according to claim 1 or 2, wherein: contact (3) are including fixed mounting fixed part (11) on casing (1) and setting installation department (12) of wiring face (7), fixed part (11) are the shape of buckling, be provided with mount (13) on casing (1), set up on mount (13) with fixed part (11) adaptation buckle shape's fixed slot (14).

4. A home voltage indicator according to claim 3, wherein: the shell (1) is further provided with a support (15) which is used for fixing the mounting part (12) and located on two side faces of the mounting part (12), wherein the support (15) located on one side of the wiring face (7) comprises two parts arranged on the two shells (1), a gap is reserved between the two parts, and the gap is located between the fixing screw (6) and the mounting hole (9).

5. A home voltage indicator according to claim 4, wherein: one side, close to the wiring surface (7), of a nut of the fixing screw (6) is connected with a pressing sheet (16), and the pressing sheet (16) is sleeved on the fixing screw (6).

6. A home voltage indicator according to claim 5, wherein: installation department (12) is provided with the cup joint in relative wiring face (7) one side extends the annular reinforcing portion (17) of set screw (6) outside, reinforcing portion (17) inner wall be provided with the internal thread of set screw (6) adaptation.

7. A home voltage indicator according to claim 1, wherein: the LED lamp is characterized in that an indicator lamp (2) opening is formed in the shell (1), a light-transmitting cover (19) is fixedly mounted on the indicator lamp (2) opening, and the indicator lamp (2) is aligned to the light-transmitting cover (19).

8. A home voltage indicator according to claim 1 or 7, wherein: the lamp holder of the indicator lamp (2) is an LED lamp holder.

9. A home voltage indicator according to claim 1 or 7, wherein: the lamp holder of the indicator lamp (2) is a nixie tube lamp holder.

10. A home voltage indicator according to claim 1, wherein: the two contact pieces (3) are respectively a long contact piece (20) and a short contact piece (21), and the length of a fixing part (11) of the long contact piece (20) is larger than that of a fixing part (11) of the short contact piece (21).