CN211700660U

CN211700660U - Flash double-line switch safety plug-in board

Info

Publication number: CN211700660U
Application number: CN201922015792.0U
Authority: CN
Inventors: 李代优
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-10-16
Anticipated expiration: 2029-11-20

Abstract

The utility model provides a flash of light double-line switch insurance inserts electroplax relates to low-voltage apparatus technical field, has solved current single-line switch and has inserted the electroplax and still electrified on inserting the electroplax after the switch disconnection, has the technical problem of potential safety hazard. The plug board comprises a shell, a flash indicator, a fusing wire tube, an alternating current input end, an alternating current output end and a double-wire switch, wherein the double-wire switch is connected between the alternating current input end and the alternating current output end in series, and a plurality of groups of jacks are arranged on the shell to form the alternating current output end; the double-wire switch comprises a master control button, a live wire switch and a zero wire switch, and the master control button can control the live wire switch and the zero wire switch to be turned on and off simultaneously. The live wire switch and the zero line switch are simultaneously switched on and off by the double-wire switch, and the zero line and the live wire are not electrified after being switched off, so that the power utilization safety of an electric appliance is ensured, and the electric shock accident is not easy to occur; and after the fuse tube is added, the fuse is instantly fused under the condition that the current of the electric appliance is overlarge or short-circuited, so that the use safety of the electric appliance is improved.

Description

Flash double-line switch safety plug-in board

Technical Field

The utility model belongs to the technical field of the low-voltage apparatus technique and specifically relates to a flash of light double-line switch insurance plug board is related to.

Background

The plug board is an electrical product which is necessary to be used in family life. The circuit of the plug board is a zero line and a live line of 220V alternating current, one more than three ports of the plug board is connected with a large ground wire (yellow and green wires can be adopted in the electric wire), and the electric appliance is connected between the zero line and the live line, so that the electric appliance is used as a load to form a loop. Keyed, keyswitches need to be connected in series in the hot circuit. If the indicating lamp is needed, the LED lamp is generally connected in series with a resistor of about 100K omega and is connected between the zero line and the fire line.

The applicant has found that the prior art has at least the following technical problems:

the current plug boards are all controlled by single-wire switches, and after the switches of the plug boards are closed, the plug boards are still electrified, so that potential safety hazards are brought to the electricity consumption of electrical appliances, and electric shock accidents are easily caused. In addition, without the added fuse current limit control, the patch panel, as well as the circuitry and electrical equipment of the power supply, can burn out.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flash of light double-line switch insurance inserts electroplax to the single line switch who exists among the solution prior art inserts the electroplax and still electrified on inserting the electroplax after the switch disconnection, has the technical problem of potential safety hazard. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a flash of light double-line switch insurance plug board, including casing, flash of light indicator, fuse tube, AC input end, AC output end and double-line switch, the double-line switch concatenates between the AC input end and the AC output end, be provided with the multiunit jack on the casing and form the AC output end;

the double-wire switch comprises a master control button, a live wire switch and a zero wire switch, and the master control button can control the live wire switch and the zero wire switch to be switched on and off simultaneously.

Optionally, the fuse wire tube is connected in series to the live wire or the zero wire of the ac output terminal.

Optionally, the fuse tube is 1-5A.

Optionally, the fuse tube is a fuse tube of 5-10A.

Optionally, the flashing indicator is connected in parallel with the two-wire switch.

Optionally, the flashing indicator comprises an LED light source and a voltage dropping resistor connected in series.

Optionally, the LED light source is a red LED.

Optionally, the LED light source is embedded in an outer wall of the housing.

Optionally, the alternating current input end penetrates through the wall surface of the shell and can be connected with 220V alternating current.

Optionally, a button hole is formed in the housing, the two-wire switch is arranged in the housing, and the master control button passes through the button hole and is exposed outside the housing.

Optionally, the plurality of groups of the jacks are uniformly distributed on the surface of the shell.

The utility model provides a pair of flash of light double-wire switch insurance flashboard, flashboard adopt through total accuse button control live wire switch and zero line switch close simultaneously and the double-wire switch of disconnection, all are uncharged on zero line and the live wire after the disconnection, compare with the flashboard of the existing single-wire switch, have guaranteed the power consumption safety of electrical apparatus, also difficult electric shock accident; and after the fuse tube is added, the fuse is instantly fused under the condition of overlarge current or short circuit of the electric appliance, so that a power circuit and a plug board cannot be burnt out, and the use safety of the electric appliance is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an electrical schematic diagram of a flash two-wire switch according to an embodiment of the present invention;

fig. 2 is an electrical schematic diagram of a flash two-wire switch safety plug board according to an embodiment of the present invention;

fig. 3 is an external view of a flash two-wire switch safety socket according to an embodiment of the present invention.

In the figure 1, a voltage reduction resistor; 2. a live wire switch; 3. a zero line switch; 4. fusing the wire tube; 5. an electricity load; 6. an LED light source; 7. a master control button; 8. and (4) inserting the jack.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a flash double-wire switch fuse plug board, which comprises a shell, a flash indicator, a fuse tube, an AC input end, an AC output end and a double-wire switch, wherein the double-wire switch is connected in series between the AC input end and the AC output end, and the shell is provided with a plurality of groups of jacks 8 to form the AC output end;

wherein, the double-line switch includes total control button 7, live wire switch 2(K2) and zero line switch 3(K3), and total control button 7 can control live wire switch 2 and zero line switch 3 closed and the disconnection simultaneously.

The plug board adopts a double-wire switch which controls the live wire switch 2 and the zero wire switch 3 to be simultaneously switched on and switched off through the master control button 7, and both the zero wire and the live wire are not electrified after being switched off, so that compared with the plug board of the existing single-wire switch, the power utilization safety of an electric appliance is ensured, and the electric shock accident is not easy to occur; in addition, after the fuse tube is added, the fuse is instantly fused under the condition of overlarge current or short circuit of the electric appliance, so that a power circuit and a plug board cannot be burnt out, and the use safety of the electric appliance is improved; and the flashing indicator can indicate whether the power supply is normal or not. Fig. 1 shows an electrical schematic of a safety flasher two-wire switch.

In an alternative embodiment, the fuse tube 4 is connected in series with the live or neutral line of the ac output.

After the fuse tube 4 is connected in series, the fuse is instantly fused under the condition that the current of the electrical appliance at the output end is overlarge or short-circuited, and a power circuit and a plug board cannot be burnt out. The fuse wire tube 4 is installed at the lower end of the power strip.

As an alternative embodiment, the fuse tube 4 adopts a 1-5A fuse tube.

As an optional embodiment, the fuse tube 4 is a fuse tube of 5-10A.

The low-power plug board adopts 1-5A fuse tubes, and the high-power plug board adopts 5-10A fuse tubes, so that the reliability is ensured.

As an alternative embodiment, the flashing indicator is connected in parallel with the two-wire switch.

And a flash indicator is arranged, and the indicator flashes to indicate that the power supply circuit is normally powered, so that the identification function is realized.

As an alternative embodiment, the flashing indicator comprises an LED light source 6 and a voltage dropping resistor 1 connected in series.

The LED light source 6(D1) must be connected in series with a voltage reduction resistor 1(R1), because the voltage reduction of R1 is not available, the voltage of the D1 cannot bear 220V, only the resistor R1 is connected in series and the resistance value of the resistor R1 is adopted to reduce the voltage, and the voltage is reduced to about 6-10V, so that the LED light source can normally emit light for indication. The LED light source 6 of the flash indicator is a red LED, so that indication and identification are facilitated. LED light source 6 inlays the outer wall of locating the casing, conveniently looks over.

The power line of the alternating current input end penetrates out of the wall surface of the shell and can be connected with 220V alternating current.

As an optional implementation manner, a button hole is formed on the housing, the two-wire switch is disposed in the housing, and the main control button 7 passes through the button hole and is exposed outside the housing.

The master control button 7 penetrates through the button hole and is exposed out of the shell, so that the on-off operation and the on-off operation of the two-wire switch are facilitated.

As an alternative embodiment, the plurality of sets of the insertion holes 8 are uniformly distributed on the surface of the shell.

As shown in fig. 2 and 3, the embodiment of the present invention provides a flash two-wire switch safety plug board, flash indicator D1 is made of HR red led (it is normally flashing from the power source, and its flashing indicates that the power source is normal from the power source to the input end of the plug board). The double-wire switch mainly controls the on and off of the live wire and the zero line of the power supply at the same time. The two-wire switch adopts the combination of two single-wire switches K2 and K3, and after the combination, a main button key controls K2 and K3 to be closed and opened simultaneously. The added safety function is that the fuse tube 4 (namely fuse tube FU) is added at the output end of the plug-in board, and the added fuse tube can instantly fuse the fuse under the condition that the current of the electrical appliance at the output end is overlarge or the short circuit is serious, so that the power circuit and the plug-in board cannot be burnt out even if the electrical appliance is damaged. According to the protection effect of the added fuse, the newly manufactured plug board can be divided into two types, and a 1-5A ampere fuse tube is selected as a low-power plug board; the high-power plug board selects a fuse tube with 5-10A amperes. The classification of the plug boards improves the use standardization of the plug boards, the plug boards are not abused according to the power, and consequently, too many plug boards are burnt out, and the electric shock accidents of the plug boards are left too much.

The line a (live wire) and the line b (zero wire) are the live wire and the zero wire of an alternating current power supply, and when the two-wire switch K2 and the two-wire switch K3 are disconnected, the electric appliance inserted on the plug board cannot work, and no electricity exists in all plug holes on the plug board. The flash two-wire switch fuse plug board is only electrified at the input end of the two-wire switch and is not electrified at the output end of the switch. Therefore, the flash double-wire switch safety plug board is an uncharged plug board and is a plug board safe for electricity utilization. The electric shock protector can not cause electric shock accidents in the electricity utilization process of people.

Selecting a plastic material to manufacture the shell of the plug board; selecting D1 and R1 to form a red indicator; two single-wire button switches K2 and K3 are selected and combined into a double-wire switch; a fuse tube of 1-5A FU is selected.

Firstly, mounting a D1 red light-emitting diode on the top surface of the board surface of the plug-in board; then, the combined double-wire switch is arranged at the upper end of the surface of the plug board; then, the fuse tube is mounted at the lower end of the plug.

The flash indication of the flash double-wire switch safety plug-in board is lightened, which indicates that the power supply from the access power supply to the input end of the plug-in board is normal; the two-wire switches K2 and K3 control the existence of no electricity at the output end of the plug board, and ensure the safety of electricity utilization of electrical appliances; the fuse tube FU ensures that the fuse is instantly fused under the condition that the current at the output end is overlarge or the electrical appliance is short-circuited, so that a power circuit and a plug board cannot be burnt out. Therefore, the purposes of clear indication, electric safety, no damage to insurance and electric energy saving are achieved.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A flash double-wire switch fuse plugboard is characterized by comprising a shell, a flash indicator, a fuse tube, an alternating current input end, an alternating current output end and a double-wire switch, wherein the double-wire switch is connected between the alternating current input end and the alternating current output end in series, and a plurality of groups of jacks are arranged on the shell to form the alternating current output end;

2. The flash two-wire switch fuse board of claim 1, wherein the fuse tube is connected in series to the live line or the neutral line of the ac output.

3. The flash double-line switch fuse plug board according to claim 2, wherein 1-5A of fuse tube is adopted as the fuse tube.

4. The flash double-line switch fuse plug board according to claim 2, wherein the fuse tube is a 5-10A fuse tube.

5. The flashing two-wire switch fuse board of claim 1, wherein the flashing indicator is connected in parallel with the two-wire switch.

6. The flashing two-wire switch fuse board of claim 5, wherein the flashing indicator comprises an LED light source and a voltage dropping resistor connected in series.

7. The flashing two-wire switch fuse board of claim 6, wherein the LED light source is a red LED.

8. The flashy two-wire switch fuse board according to claim 6, wherein the LED light source is embedded in an outer wall of the housing.

9. The flashing two-wire switch fuse board as recited in claim 1, wherein the housing is formed with a button hole, the two-wire switch is disposed in the housing, and the main control button is exposed outside the housing through the button hole.

10. The flash two-wire switch fuse board of claim 1, wherein the plurality of sets of sockets are uniformly distributed on the surface of the housing.