CN110635314A

CN110635314A - Socket with improved structure

Info

Publication number: CN110635314A
Application number: CN201911022205.9A
Authority: CN
Inventors: 管彩灵
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2019-12-31

Abstract

The present invention provides a socket, comprising: the casing with be used for detecting the probe whether intake, the casing is inside by preceding to be formed with mutual sealed independent safety cabin, electrified storehouse and connecting piece storehouse after to in proper order, the one end of probe by the bottom of casing passes in proper order insert behind connecting piece storehouse, the electrified storehouse in the safety cabin. The tip of probe flushes the diapire department to safe storehouse, if there is water to get into in the safe storehouse, then water can flow downwards, thereby set up probe group in the diapire department in safe storehouse then can detect whether there is water or have the electrified existence of water, because safe storehouse is the first storehouse body that water got into, and safe storehouse is separated with following electrified storehouse, so detect through setting up probe group in safe storehouse, can be more swiftly with safe the aquatic under-charged condition of listening, thereby avoid because the electric leakage that water got into and the emergence of short circuit.

Description

Socket with improved structure

Technical Field

The invention relates to the field of electric connectors, in particular to a socket.

Background

The socket is a common electric connection device in life, and is plugged with other external devices to achieve the purpose of outputting electric energy. The socket has high safety requirements when being applied to wet places such as kitchens, toilets, outdoor sites and the like.

The socket among the prior art sets up modes such as buckler for preventing inside water vapour entering socket, thereby do not consider the short circuit that produces or the produced potential safety hazard of electric leakage behind the whole water vapour entering socket is inside, so inside water vapour enters into the socket, how to go to find whether electrified in moisture content and the moisture content, make the socket can not appear short circuit or the phenomenon of electric leakage, how to get rid of the trouble makes socket normal work be a technical problem that this field faces, thereby solve the socket and lead to electric leakage and short circuit easily in moist service environment and cause the problem of potential safety hazard.

In addition, the conventional ac outlet is provided with a water leakage detecting device, but in the process of water leakage, water may pass through the charged device to become a high voltage charged body, and if the conventional water leakage detecting device is used to directly detect water leakage, the conventional water leakage detecting device may be damaged by high voltage due to high voltage strong electricity carried by water.

Disclosure of Invention

The present invention provides a socket to solve at least one of the above technical problems.

To solve the above problems, as an aspect of the present invention, there is provided a socket including: the water inlet detection device comprises a shell and a probe for detecting whether water is fed or not, wherein a safety bin, a charged bin and a connecting piece bin which are mutually sealed and independent are sequentially formed in the shell from front to back, and one end of the probe sequentially penetrates through the connecting piece bin and the charged bin from the bottom of the shell and then is inserted into the safety bin; sealing rubber sheets with cutting seams for realizing self sealing are arranged at the live wire jack and the zero line jack of the live bin; the shell comprises a front cover, a module front shell, a module middle shell and a module rear shell which are sequentially arranged, the front cover and the module front shell form the safety bin through a first sealing ring, the module front shell and the module middle shell form the charged bin through a second sealing ring, and the module middle shell and the module rear shell form the connecting piece bin through a third sealing ring; the safety bin comprises an upper safety bin and a lower safety bin, one of the upper safety bin and the lower safety bin is a two-plug safety bin, the other one of the upper safety bin and the lower safety bin is a three-plug safety bin, one part of a ground wire clamping bin of the three-plug safety bin is independent of the safety bin, and an opening part of the ground wire clamping bin is hermetically connected with the bottom wall of the front cover; the socket also comprises an alternating current water leakage detection circuit, the alternating current water leakage detection circuit comprises a single chip microcomputer, a first water leakage probe pin, a second water leakage probe pin, an isolation circuit, a normally closed relay and a leakage switch, an interruption pin of the single chip microcomputer is connected with the first water leakage probe pin and the second water leakage probe pin through the isolation circuit, and the first water leakage probe pin and the second water leakage probe pin are respectively connected with one probe; the isolating circuit comprises a first diode, a second diode, a first triode, a capacitor and a first resistor, wherein an interruption pin is connected with the anode of the first diode, the cathode of the first diode is connected with a first water leakage probe pin, the cathode of the first diode is connected with the cathode of the second diode, the anode of the second diode is grounded through the first resistor, the second water leakage probe pin is connected with the anode of the second diode, the cathode of the first diode is connected with the base of the first triode through the capacitor, the collector of the first triode is connected with the interruption pin, and the emitter of the first triode is grounded; the first output pin of the single chip microcomputer is connected with the base electrode of the second triode, one end of a control coil of the relay is connected with a direct-current power supply, the other end of the control coil of the relay is connected with the collector electrode of the second triode, and the collector electrode of the second triode is connected with the control end of the leakage switch sequentially through the switch tube and the controlled silicon.

Preferably, go up the flowing water passageway that is provided with intercommunication between safe storehouse and the lower safe storehouse, be provided with safe storehouse drainage opening on the lateral wall in safe storehouse, the open-ended passageway lower extreme detachably of safe storehouse drainage installs the drainage piece lid, safe storehouse drainage opening still can set up on the diapire in safe storehouse.

Preferably, a silica gel plug is arranged below the water flowing channel between the upper safety bin and the lower safety bin.

Preferably, the space between the probe and the front shell of the module, the space between the probe and the middle shell of the module, and the space between the probe and the rear shell of the module are sealed by a second sealing ring and a third sealing ring.

Preferably, the live wire storehouse includes that three insert live wire storehouse and two insert live wire storehouse, second sealing washer and sealed film are in the inside of three insert live wire storehouse forms three independent sealed first live wire piece storehouse, first zero line piece storehouse and ground wire piece storehouse, simultaneously, second sealing washer and sealed film are in the inside of two insert live wire storehouses forms two independent sealed second live wire piece storehouses and second zero line piece storehouse.

Preferably, the rear side of the module rear shell is provided with a binding post through a binding post screw, and a binding post sealing ring is arranged at the binding post screw.

Preferably, the socket further comprises a live wire connecting piece, a neutral wire connecting piece and a ground wire connecting piece which are arranged in the connecting piece bin; one end of the live wire connecting piece is connected with the live wire clamping pieces in the two inserted live bins through a first screw, and the other end of the live wire connecting piece is connected with the live wire clamping pieces in the three inserted live bins through a second screw; one end of the zero line connecting sheet is connected with the zero line clamping sheets in the two plug live boxes through a third screw, and the other end of the zero line connecting sheet is connected with the zero line clamping sheets in the three plug live boxes through a fourth screw; the ground wire connecting piece is connected with a ground wire clamping piece in the three-plug electrified bin through a fifth screw, and clamping piece sealing rings are sleeved on the first screw, the second screw, the third screw, the fourth screw and the fifth screw; the live wire connecting piece, the zero line connecting piece and the ground wire connecting piece are respectively connected with one of the binding posts through a binding post screw.

Preferably, the module front shell is connected with the module middle shell through a sixth screw, the module middle shell is connected with the module rear shell through a seventh screw, the module middle shell is connected with the front cover through a screw, and the sixth screw and the seventh screw are sleeved with sealing rings.

Preferably, the alternating current water leakage detection circuit further comprises an alarm, and a second output pin of the single chip microcomputer is connected with the alarm.

Preferably, the cathode of the second diode is connected to the first water leakage probe pin through a second resistor, and the anode of the second diode is connected to the second water leakage probe pin through a third resistor.

According to the invention, one end of the probe sequentially penetrates through the connecting piece bin and the electrified bin from the bottom of the rear module shell and then is inserted into the safe bin, the end part of the probe is flush with the bottom wall of the safe bin, if water enters the safe bin, the water flows downwards, so that the probe set is arranged at the bottom wall of the safe bin, whether the water exists or the water is electrified can be detected, and the safe bin is the first bin body into which the water enters and is separated from the electrified bin below, so that the detection is carried out by arranging the probe set in the safe bin, the situations of no water and electrification in the water can be detected more quickly and safely, and the electric leakage and short circuit caused by the water entering are avoided; the isolating circuit prevents high-voltage strong electricity carried in water from directly entering pins of the single chip microcomputer and damaging the single chip microcomputer, so that the water leakage detection circuit can be applied to uncharged water leakage detection and electrified water leakage detection.

Drawings

FIG. 1 schematically illustrates an exploded view of the present invention;

FIG. 2 schematically illustrates a cross-sectional view of the present invention;

FIG. 3 schematically illustrates a cross-sectional view of the present invention with the protective door closed;

FIG. 4 schematically illustrates a cross-sectional view of the present invention with the protective door open;

FIG. 5 schematically illustrates an overall front view structural schematic of the present invention;

FIG. 6 schematically illustrates an overall negative structural view of the present invention;

fig. 7 schematically shows a schematic view when the plug-in protection door is opened;

figure 8 schematically shows a schematic view of the unplugged protection door closed;

FIG. 9 schematically illustrates a ground wire cleat bin schematic;

FIG. 10 schematically illustrates a front view of an independent three-hole module;

FIG. 11 schematically illustrates a front view of a stand-alone two-well module;

FIG. 12 schematically illustrates a schematic diagram of a single-chip module of the present invention;

FIG. 13 schematically illustrates a schematic diagram of a probe input module;

FIG. 14 schematically illustrates a schematic diagram of an alarm module;

FIG. 15 schematically illustrates a schematic diagram of a relay control module;

fig. 16 schematically illustrates a schematic diagram of the leakage switch control module.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

In one aspect of the present invention, there is provided a socket including: the water inlet detection device comprises a shell and a probe 1 for detecting whether water is fed or not, wherein a safety bin 2, a charged bin 3 and a connecting piece bin 4 which are mutually sealed and independent are sequentially formed in the shell from front to back, and one end of the probe 1 sequentially penetrates through the connecting piece bin 4 and the charged bin 3 from the bottom of the shell and then is inserted into the safety bin 2; sealing rubber sheets 26 with cutting seams 27 for realizing self sealing are arranged at the live wire jack and the zero wire jack of the live wire bin 3; the shell comprises a front cover 9, a module front shell 11, a module middle shell 12 and a module rear shell 13 which are sequentially arranged, the safety bin 2 is formed between the front cover 9 and the module front shell 11 through a first sealing ring 14, the charged bin 3 is formed between the module front shell 11 and the module middle shell 12 through a second sealing ring 15, and the connecting piece bin 4 is formed between the module middle shell 12 and the module rear shell 13 through a third sealing ring 16; safety bin 2 includes safety bin 28 and lower safety bin 29, go up safety bin 28 and one in the safety bin 29 down for two insert safety bin, another is three and inserts safety bin, the partly independent of ground wire clip storehouse 22 that three inserted safety bin among the safety bin 2, just the opening 8 in ground wire clip storehouse with the diapire sealing connection of protecgulum 9 installs the shutter in the safety bin 2, and the shutter passes through the plug and inserts and open the shutter.

The socket further comprises an alternating current water leakage detection circuit, the alternating current water leakage detection circuit comprises a single chip microcomputer U1, a first water leakage probe pin TZ1, a second water leakage probe pin TZ2, an isolation circuit, a normally closed relay and a leakage switch, an interruption pin of the single chip microcomputer U1 is connected with the first water leakage probe pin TZ1 and the second water leakage probe pin TZ2 through the isolation circuit, and the first water leakage probe pin TZ1 and the second water leakage probe pin TZ2 are respectively connected with one probe 1.

The isolation circuit comprises a first diode D1, a second diode D2, a first triode Q7, a capacitor C10 and a first resistor R20, wherein the interruption pin is connected with the anode of the first diode D1, the cathode of the first diode D1 is connected with the first water leakage probe pin TZ1, the cathode of the first diode D1 is connected with the cathode of the second diode D2, the anode of the second diode D2 is grounded through the first resistor R20, the second water leakage probe pin TZ2 is connected with the anode of the second diode D2, the cathode of the first diode D1 is connected with the base of the first triode Q7 through the capacitor C10, the collector of the first triode Q7 is connected with the interruption pin, and the emitter of the first triode Q7 is grounded.

The first output pin of the single chip microcomputer U1 is connected with the base electrode of a second triode Q1, one end of a control coil of the relay is connected with a direct-current power supply, the other end of the control coil of the relay is connected with the collector electrode of the second triode Q1, and the collector electrode of the second triode Q1 is connected with the control end of the leakage switch sequentially through a switch tube AD1 and a silicon controlled rectifier Q4.

In this technical scheme, the tip of probe flushes the diapire department to safe storehouse 2, if there is water to get into in safe storehouse 2, then water can flow downwards to set up probe group 37 in the diapire department of safe storehouse and then can detect whether there is water or the electrified existence of water, because safe storehouse 2 is the first storehouse body that water got into, and safe storehouse 2 is separated with following electrified storehouse 3, so detect through setting up probe group 37 at safe storehouse 2, can be more swift and safe detect the electrified condition in water and the electrified circumstances in water, thereby avoid because the emergence of electric leakage and the short circuit that water got into and lead to.

The probe can be used for sensing water and electricity independently or simultaneously, and the shape and the size of the probe can be changed in various forms; the probes can be one group or a plurality of groups, and one group can be composed of two probes; a group can also be composed of a plurality of probes, and the arrangement of the probes on the socket can also be freely adjusted.

When the water leakage probe works, the probe is connected with the first water leakage probe pin TZ1 and the second water leakage probe pin TZ 2. When water leaks, a short circuit is formed, so that the grounding of the interrupt pin of the single chip microcomputer U1 is changed into low level, the single chip microcomputer is triggered to output high level to the first output pin, the relay is powered off, an alternating current circuit externally connected to the relay is disconnected, and the protection effect is achieved. IN a preferred embodiment, the neutral line N _ IN is connected to the neutral line N _ OUT via a first relay K1, and the live line L _ IN is connected to the live line L _ OUT via a second relay K2. The zero line IN _ N _220 is connected with one end of the leakage switch, and the live line OUT _ L _220 is connected with the other end of the leakage switch. When the DETA signal is at a high level, the second triode Q1 is switched on, so that the relay is controlled to be powered on and switched off, and when the DETA signal is at a low level, the leakage switch is controlled to be switched off, so that the relay and the leakage switch can be simultaneously provided with two different protection modes by the same circuit, and the relay and the leakage switch can be adapted to different protection requirement occasions.

In the technical scheme, the isolation circuit prevents high-voltage strong electricity carried in water from directly entering the pin of the single chip microcomputer to damage the single chip microcomputer, so that the water leakage detection circuit can be applied to uncharged water leakage detection and charged water leakage detection.

When any one or two of the first water leakage probe pin TZ1 and the second water leakage probe pin TZ2 detects water with alternating current, the alternating current in the water acts on the base electrode of the first triode Q7 through the capacitor C10, so that the first triode Q7 is conducted, a low level is generated at the interrupt pin to trigger the single chip microcomputer to interrupt, and a corresponding circuit is disconnected, so that a protection effect is achieved. Meanwhile, the first diode D1 can avoid the problem that the high voltage generated by water flows to the interrupt pin of the singlechip, so that the digital circuit is damaged by the high voltage. The second diode D2 itself generates a voltage drop to avoid current backflow that could damage the single chip.

Preferably, a water flowing channel 5 which is communicated with each other is arranged between the upper safety bin 28 and the lower safety bin 29, a safety bin water discharging opening 6 is arranged on the side wall of the safety bin 2, a water discharging block cover 7 is detachably mounted at the lower end of the channel of the safety bin water discharging opening 6, the safety bin water discharging opening 6 can also be arranged on the bottom wall of the safety bin 2, for example, a two-plug protective door 33 is mounted in the upper safety bin 28, and a three-plug protective door 34 is mounted in the lower safety bin 29. Due to the arrangement of the water flowing channel 5, water in the upper safety bin 28 can flow downwards to the lower safety bin 29 through the water flowing channel 5, and is finally discharged from the safety bin water discharging opening 6, so that water can be discharged from the upper safety bin 28 more conveniently, and water cannot be accumulated.

Preferably, a silicon plug 23 is arranged below the water flowing channel 5 between the upper safety bin 28 and the lower safety bin 29.

Therefore, the ground wire clamping bin 22 is independently separated from the three-plug safety bin in a sealing mode, and the ground wire is not electrified, so that the ground wire clamping bin 22 is independently discharged, water vapor entering from a ground wire insertion opening cannot flow to the first fire wire clamping bin 21 and the first zero wire clamping bin 20 through the lower safety bin 29, and potential safety hazards are further reduced.

Preferably, the space between the probe 1 and the module front shell 11, the space between the probe 1 and the module middle shell 12, and the space between the probe 1 and the module rear shell 13 are sealed by a second sealing ring 15 and a third sealing ring 16, so as to prevent water vapor from entering each bin body through the installation gap of the probe 1.

Preferably, the charged cabin 3 includes three-plug charged cabin and two-plug charged cabin, the second sealing ring 15 and the sealing rubber sheet 26 form three independently sealed first live wire clip cabin 21, first zero wire clip cabin 20 and the ground wire clip cabin 22 in the three-plug charged cabin, and at the same time, the second sealing ring 15 and the sealing rubber sheet 26 form two independently sealed second live wire clip cabin 38 and second zero wire clip cabin 39 in the two-plug charged cabin.

Preferably, the rear side of the module rear shell 13 is provided with a binding post 25 through a binding post screw 24, and the binding post screw 24 is provided with a binding post sealing ring 19, so that external water vapor can not enter the connection chip bin 4 through a screw via hole gap of the binding post screw 24.

Preferably, the socket further comprises a live connection pad 30, a neutral connection pad 31 and a ground connection pad 32 disposed in the connection pad magazine 4; one end of the live wire connecting sheet 30 is connected with the live wire clamping sheets in the two inserted live bins 3 through a first screw, and the other end of the live wire connecting sheet is connected with the live wire clamping sheets in the three inserted live bins 3 through a second screw; one end of the zero line connecting sheet 31 is connected with the zero line clamping sheets in the two plug live boxes 3 through a third screw, and the other end of the zero line connecting sheet is connected with the zero line clamping sheets in the three plug live boxes 3 through a fourth screw; the ground wire connecting sheet 32 is connected with ground wire clamping sheets in the three-plug live-wire cabin 3 through fifth screws, and clamping sheet sealing rings 17 are sleeved on the first screws, the second screws, the third screws, the fourth screws and the fifth screws; the live wire connecting piece 30, the neutral wire connecting piece 31 and the ground wire connecting piece 32 are respectively connected with one of the binding posts 25 through a binding post screw 24.

Preferably, the module front shell 11 is connected with the module middle shell 12 through a sixth screw, the module middle shell 12 is connected with the module rear shell 13 through a seventh screw, the module middle shell 12 is connected with the front cover 9 through a screw, and the sixth screw and the seventh screw are both sleeved with a sealing ring 18.

Preferably, the alternating current water leakage detection circuit further comprises an alarm BZ, and a second output pin of the single chip microcomputer U1 is connected with the alarm BZ. Preferably, the alarm BZ is a buzzer. When the water leakage short circuit occurs, the second output pin of the singlechip U1 is triggered to output high level, so that the buzzer gives an alarm.

Preferably, a cathode of the second diode D2 is connected to the first water leakage probe pin TZ1 through a second resistor R22, and an anode of the second diode D2 is connected to the second water leakage probe pin TZ2 through a third resistor R21.

Preferably, the modules are further divided into a single three-plug module and a single two-plug module.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A socket, comprising: the water-feeding device comprises a shell and a probe (1) for detecting whether water enters or not, wherein a safety bin (2), an electrified bin (3) and a connecting piece bin (4) which are mutually sealed and independent are sequentially formed in the shell from front to back, and one end of the probe (1) sequentially penetrates through the connecting piece bin (4) and the electrified bin (3) from the bottom of the shell and then is inserted into the safety bin (2); sealing rubber sheets (26) with cutting seams (27) for realizing self sealing are arranged at the live wire jack and the zero wire jack of the live wire bin (3);

the shell comprises a front cover (9), a module front shell (11), a module middle shell (12) and a module rear shell (13) which are sequentially arranged, the safety bin (2) is formed between the front cover (9) and the module front shell (11) through a first sealing ring (14), the electrified bin (3) is formed between the module front shell (11) and the module middle shell (12) through a second sealing ring (15), and the connecting piece bin (4) is formed between the module middle shell (12) and the module rear shell (13) through a third sealing ring (16);

the safety bin (2) comprises an upper safety bin (28) and a lower safety bin (29), one of the upper safety bin (28) and the lower safety bin (29) is a two-plug safety bin, the other one of the upper safety bin and the lower safety bin is a three-plug safety bin, one part of a ground wire clamping bin (22) of the three-plug safety bin is independent of the safety bin (2), and an opening part (8) of the ground wire clamping bin is hermetically connected with the bottom wall of the front cover (9);

the socket further comprises an alternating current water leakage detection circuit, the alternating current water leakage detection circuit comprises a single chip microcomputer (U1), a first water leakage probe pin (TZ1), a second water leakage probe pin (TZ2), an isolation circuit, a normally closed relay and a leakage switch, an interruption pin of the single chip microcomputer (U1) is connected with the first water leakage probe pin (TZ1) and the second water leakage probe pin (TZ2) through the isolation circuit, and the first water leakage probe pin (TZ1) and the second water leakage probe pin (TZ2) are respectively connected with one probe (1);

the isolation circuit comprises a first diode (D1), a second diode (D2), a first triode (Q7), a capacitor (C10) and a first resistor (R20), the interruption pin is connected with the anode of the first diode (D1), the cathode of the first diode (D1) is connected with the first water leakage probe pin (TZ1), the cathode of the first diode (D1) is connected to the cathode of the second diode (D2), the anode of the second diode (D2) is connected to ground through the first resistor (R20), the second water leakage probe pin (TZ2) is connected to the anode of the second diode (D2), the cathode of the first diode (D1) is connected with the base of the first triode (Q7) through the capacitor (C10), the collector of the first triode (Q7) is connected with the interrupt pin, and the emitter of the first triode (Q7) is grounded;

the first output pin of the single chip microcomputer (U1) is connected with the base electrode of a second triode (Q1), one end of a control coil of the relay is connected with a direct-current power supply, the other end of the control coil of the relay is connected with the collector electrode of the second triode (Q1), and the collector electrode of the second triode (Q1) is connected with the control end of the leakage switch sequentially through a switch tube (AD1) and a controlled silicon (Q4).

2. The socket according to claim 1, wherein a water flowing channel (5) which is communicated with each other is arranged between the upper safety bin (28) and the lower safety bin (29), a safety bin water discharging opening (6) is arranged on the side wall of the safety bin (2), a water discharging block cover (7) is detachably arranged at the lower end of the channel of the safety bin water discharging opening (6), and the safety bin water discharging opening (6) can also be arranged on the bottom wall of the safety bin (2).

3. Socket according to claim 2, characterised in that a silicone plug (23) is arranged below the water channel (5) between the upper safety bin (28) and the lower safety bin (29).

4. The socket according to claim 3, wherein the space between the probe (1) and the module front shell (11), the space between the probe (1) and the module middle shell (12), and the space between the probe (1) and the module rear shell (13) are sealed by a second sealing ring (15) and a third sealing ring (16).

5. The receptacle according to claims 2 and 4, characterized in that the live compartment (3) comprises a three-plug live compartment and a two-plug live compartment, the second sealing ring (15) and the sealing film (26) forming three independently sealed first live compartment (21), first zero-line compartment (20) and ground-line compartment (22) inside the three-plug live compartment, while the second sealing ring (15) and the sealing film (26) form two independently sealed second live compartment (38) and second zero-line compartment (39) inside the two-plug live compartment.

6. A socket according to claim 5, wherein the rear side of the module rear housing (13) is mounted with a post (25) by a post screw (24), the post screw (24) being provided with a post seal ring (19).

7. A socket according to claim 5, wherein the socket further comprises a live connection pad (30), a neutral connection pad (31) and a ground connection pad (32) arranged in the connection pad magazine (4); one end of the live wire connecting piece (30) is connected with the live wire clamping pieces in the two inserted live bins (3) through a first screw, and the other end of the live wire connecting piece is connected with the live wire clamping pieces in the three inserted live bins (3) through a second screw; one end of the zero line connecting piece (31) is connected with the zero line clamping pieces in the two plug live boxes (3) through a third screw, and the other end of the zero line connecting piece is connected with the zero line clamping pieces in the three plug live boxes (3) through a fourth screw; the ground wire connecting sheet (32) is connected with ground wire clamping sheets in the three-plug electrified bin (3) through fifth screws, and clamping sheet sealing rings (17) are sleeved on the first screws, the second screws, the third screws, the fourth screws and the fifth screws; the live wire connecting piece (30), the zero wire connecting piece (31) and the ground wire connecting piece (32) are respectively connected with one of the binding posts (25) through one binding post screw (24).

8. The socket according to claim 4, wherein the module front shell (11) is connected with the module middle shell (12) through a sixth screw, the module middle shell (12) is connected with the module rear shell (13) through a seventh screw, the module middle shell (12) is connected with the front cover (9) through a screw, and the sixth screw and the seventh screw are sleeved with sealing rings (18).

9. The socket of claim 1, wherein the alternating current water leakage detection circuit further comprises an alarm (BZ), and the second output pin of the single chip microcomputer (U1) is connected with the alarm (BZ).

10. The receptacle of claim 1, wherein the cathode of the second diode (D2) is connected to the first water leak probe pin (TZ1) through a second resistor (R22), and the anode of the second diode (D2) is connected to the second water leak probe pin (TZ2) through a third resistor (R21).