CN109888577A - A kind of intelligent plug - Google Patents
A kind of intelligent plug Download PDFInfo
- Publication number
- CN109888577A CN109888577A CN201910211299.8A CN201910211299A CN109888577A CN 109888577 A CN109888577 A CN 109888577A CN 201910211299 A CN201910211299 A CN 201910211299A CN 109888577 A CN109888577 A CN 109888577A
- Authority
- CN
- China
- Prior art keywords
- pin
- connect
- module
- output end
- positive pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of intelligent plugs, including shell, it is provided with the first pin to connect zero curve, the second pin to connect firewire on shell, control device is provided in shell, control device includes power input, voltage transformation module, optoelectronic induction module and switch module；Power input includes zero line L and zero line side N, and zero line L is connect with second pin, and zero line side N is connect with the first pin；Voltage transformation module is connect with optoelectronic induction module to power；Optoelectronic induction module is connect with switch module controls its on-off, the output end of switch module connection plug.After compartment is raised, optoelectronic induction module exports high level, disconnects switch module, entire service interruption electricity；After closing compartment, optoelectronic induction module exports low level, is connected to switch module, and entire route is powered；It unplugg can frequently need not cut off the power, prevent damage socket, and highly-safe.
Description
Technical field
The present invention relates to general electronic corporation technical field, in particular to a kind of intelligent plug.
Background technique
In the prior art, some sockets are provided with the compartment to shield, and when not in use, compartment is closed, and use
When, compartment, which is opened, by the plug of electrical equipment is inserted into socket.It is typically provided with switch on electrical equipment, for cutting off the power, makes
Equipment stops working.But after switch cutoff power supply, the power supply line between plug to electrical equipment is still electrification, is deposited
In security risk, once route breakage is possible to get an electric shock, the method most insured is to come out of the socket plug to come,
It thoroughly cuts off the power, but continually plug plug is easily damaged plug and socket.
Summary of the invention
In view of the problems of the existing technology, it is an object of that present invention to provide a kind of intelligent plugs, it is not necessary to continually plug
Head can thoroughly cut off the power.
The technical solution adopted by the present invention is that:
A kind of intelligent plug, including shell, it is characterised in that: be provided on the shell and first draw to connect zero curve
Foot, the second pin to connect firewire are provided with control device in the shell, and the control device includes power input
End, voltage transformation module, optoelectronic induction module and switch module；The power input includes zero line L and zero line side N, institute
It states zero line L to connect with second pin, the zero line side N is connect with the first pin；The voltage transformation module and the photoelectricity
Induction module is connected to power；The optoelectronic induction module is connect with the switch module, the switch module connection plug
Output end.
Further, the voltage transformation module includes transformer NF and rectification chip RC, the input of the transformer NF
End is connect with power input, and the output end of the transformer NF is connect with the input terminal of the rectification chip RC.
Further, the zero line L is connect by fuse FU with one end of the transformer NF, the zero line side N
The other end of the transformer NF is connected by the first thermistor NTC；The one end the fuse FU connects bilateral diode
TVS, the bilateral diode TVS other end connect the first thermistor NTC；The output end of the rectification chip RC includes
Positive pole VO+, power cathode VO-, the positive pole VO+ pass through the unilateral diode TVS connection power cathode VO-,
The power cathode VO- ground connection.
Further, the control device includes temperature monitoring module, and the temperature monitoring module is provided with the second temperature-sensitive
Resistance NTC, described one end second thermistor NTC connect the positive pole VO+, and the other end connects the switch module；Institute
The second thermistor NTC is stated to be grounded by second resistance R.
Preferably, the optoelectronic induction module includes voltage comparator LM, photo resistance PC and phase inverter IV, the voltage
Comparator LM includes the power supply electricity of noninverting input IN+, reverse input end IN- and output end DO, the voltage comparator LM
Positive pole VO+ described in press bond, ground terminal ground connection；The positive pole VO+ is described in the same direction by 3rd resistor R connection
Input terminal IN+, the noninverting input IN+ are grounded by the photo resistance PC；The positive pole VO+ is connected to sliding and becomes
One end of device RP is hindered, the other end ground connection of the slide rheostat RP, the output end of the slide rheostat RP is connected to described
Reverse input end IN-；The positive pole VO+ is connected to the output end DO, the output end DO connection by the 4th resistance R
The input terminal of the phase inverter IV, the power voltage terminal of the phase inverter IV connect the positive pole VO+, ground connection termination
The output end on ground, the phase inverter IV connects the switch module.
Further, the positive pole VO+ connection switch indicator light LED, the switch indication light LED other end pass through
5th resistance R is connected to the output end DO.
Further, the switch module includes the base stage and the reverse phase of triode Q and relay K, the triode Q
The output end of device IV, the second thermistor NTC connection, the emitter ground connection of the triode Q, the collector of the triode Q
One end of the relay K coil is connected, the relay K coil other end connects positive pole VO+；The relay K's
Common end COM connection zero line L, the output end of the normally-closed contact connection plug of the relay K.
Further, the shell includes pedestal, and first passed through for first pin is offered on the pedestal and is led to
Hole, the second through-hole passed through for the second pin；The first through hole, the second through-hole it is ipsilateral or it is not ipsilateral be provided with to
Support the support plate of first pin, second pin.
Further, the fixing groove to fixation first pin, second pin is provided in the support plate.
Further, first pin, second pin are located at the intracorporal one end of the shell and are extended with bending part, described
The tension disc for being fixed on first pin, second pin in the fixing groove is provided on bending part.
The beneficial effect of above-mentioned technical proposal is: plug is inserted into after socket and powers for control device, through voltage transformation module
Input voltage is adjusted, makes its optoelectronic induction module for power supply, optoelectronic induction module connect control with switch module, and it is logical
It is disconnected.After compartment is raised, optoelectronic induction module exports high level, disconnects switch module, entire service interruption electricity；Work as closing
After compartment, optoelectronic induction module exports low level, is connected to switch module, and entire route is powered；It need not frequent unplugg
It can cut off the power, prevent damage socket, and highly-safe.
Detailed description of the invention
Fig. 1 is the structural exploded view of the embodiment of the present invention；
Fig. 2 is the schematic diagram of internal structure of the embodiment of the present invention；
Fig. 3 is the overall structure diagram of the embodiment of the present invention；
Fig. 4 is the logic diagram of circuit of control circuit board in the embodiment of the present invention；
Fig. 5 is the circuit diagram of control circuit board in the embodiment of the present invention.
Specific embodiment
The structure and working method of a kind of intelligent plug of the invention are carried out below in conjunction with preferred embodiment and its attached drawing detailed
It describes in detail bright.
Shown in referring to figs. 1 to Fig. 3, a kind of intelligent plug, overall structure are as follows in the present embodiment: including shell, shell packet
Pedestal 12 and upper cover plate 11 are included, pedestal 12 and upper cover plate 11 surround the cavity for placing conducting wire, and the thickness of shell is less than waterproof
The distance of socket is arrived on the inside of box, after guaranteeing plug insertion socket, compartment can be completely closed.It is provided on shell to connect
First pin 4 of zero curve, the second pin 5 to connect firewire, the phase spacing between the first pin 4, second pin 5 meet state
Family's regulation.Anti-skid chequer is provided on the outside of pedestal 12, the shape of anti-skid chequer is not limited to the shape in the present embodiment, can play anti-skidding
Effect, convenient for plug plug.
The first through hole 121 passed through for the first pin 4, the second through-hole passed through for second pin 5 are offered on pedestal 12
122, in the present embodiment, first through hole 121 and the second through-hole 122 are arranged symmetrically, and first through hole 121, the second through-hole 122 are ipsilateral
Or the not ipsilateral support plate 2 being provided with to support the first pin 4, second pin 5, support plate 2 are L-type structure, support plate 2
Position can adjust according to actual needs, be not limited to the position in attached drawing 1.
The fixing groove 3 to fix the first pin 4, second pin 5 is provided in support plate 2, fixing groove 3 is U-shaped structure,
And the type chamber for fixing the first pin 4, second pin 5 is surrounded with support plate 2.First pin 4, that second pin 5 is located at shell is intracorporal
The side of top towards fixing groove 3 is extended with bending part, and tension disc 6 is provided on bending part, is provided with spiral shell on tension disc 6
Bolt, the first pin 4, second pin 5 terminals fixing groove 3 be fixed on by tension disc 6 and bolt presses surrounded with support plate 2
Type it is intracavitary.First pin 4, second pin 5 are immobilized in the shell by bending part, are conducive to the thickness for reducing shell, are made to prevent
Water box completely close.
Control device 7 is provided in shell, control device 7 includes power input 80, and power input 80 includes firewire
L and zero line side N, zero line L is held to connect with second pin 5, zero line side N is connect with the first pin 4, after plug is inserted into socket,
For the power supply of control device 7.The power supply indicator 111 (LED1) and photosensitive window 112 to the display that is powered are provided on upper cover plate 11.
Refering to what is shown in Fig. 4, control device 7 further includes the voltage transformation module 81 voltage 220V to be converted into 5V, use
To monitor the temperature monitoring module 82 of line temperature, the switch module 84 of the firewire circuit on-off to controller plug output end,
And optoelectronic induction module 83.Temperature monitoring module 82, optoelectronic induction module 83 are defeated by voltage transformation module 81 and power supply
Enter 80 connection of end, switch module 84 is connect with optoelectronic induction module 83.The input terminal of voltage transformation module 81 connects power input
End 80, after plug is inserted into socket, the voltage of the input terminal of voltage transformation module 81 is alternating current 220V, voltage transformation module 81
Output end includes positive pole VO+, power cathode VO-, power cathode VO- ground connection, positive pole VO+ and power cathode VO- it
Between voltage be 5V, the power supply of the output end and temperature monitoring module 82, optoelectronic induction module 83 of voltage transformation module 81 is defeated
Enter end connection, power for it, the input terminal of temperature monitoring module 82, the output end of optoelectronic induction module 83 and switch module 84 connects
It connects, the output end of switch module 84 is connect with zero line L.
Refering to what is shown in Fig. 5, voltage transformation module 81 includes transformer NF and rectification chip RC, transformer NF is in adjustment voltage
While have both insulation blocking effect；The AC rectification exported from transformer NF is other at direct current by rectification chip RC
Module for power supply.In the present embodiment, rectification chip RC selects the rectifier bridge of model mb6s, the input terminal and power supply of transformer NF
Input terminal 80 connects, and the output end of transformer NF is connect with the input terminal of rectification chip RC.
Zero line L is connect by fuse FU with one end of transformer NF, and zero line side N is connected by the first thermistor NTC
The other end for meeting transformer NF, for inhibiting the surge current of plug energization moment；The one end fuse FU connects bilateral diode
TVS, the bilateral diode TVS other end connect the first thermistor NTC；Bilateral diode TVS is connected in parallel on the input of transformer NF
End can absorb instantaneous big pulse power in positive and negative both direction, and voltage clamping to predeterminated level；Bilateral diode TVS two
End is parallel with the first capacitor C1 played a filtering role.
The second capacitor C2 is parallel between the output end of transformer NF and the input terminal of rectification chip RC；Rectification chip RC's
Third capacitor C3, unilateral diode TVS and first are successively parallel between output end, that is, positive pole VO+, power cathode VO-
Resistance R1.Second capacitor C2, third capacitor C3 are used to filter, and unilateral diode TVS one direction absorbs surge power.
Temperature monitoring module 82 includes the second thermistor NTC, and the second thermistor NTC is presented not at different temperature
With resistance value, in the present embodiment, the second thermistor NTC uses the thermistor of MF58 series negative temperature coefficient, temperature liter
Height, resistance value decline.
Second one end thermistor NTC connects positive pole VO+, other end connection switch module 84, the second thermistor
The other end of NTC passes through second resistance R2 connection power cathode VO-.
Optoelectronic induction module 83 includes voltage comparator LM, photo resistance PC and phase inverter IV, and photo resistance PC is to light
It is very sensitive, it is in high-impedance state when there is no light, dark resistance is generally up to 1.5 megaohms, and illumination is stronger, and resistance value is just lower, with
The raising of intensity of illumination, resistance value reduce rapidly, light resistance value can be as small as 1 kilo-ohm or less.
Voltage comparator LM includes noninverting input IN+, reverse input end IN- and output end DO, voltage comparator LM
Power input connect with the output end of rectification chip RC, i.e., its power voltage terminal is connect with positive pole VO+, ground terminal
The power voltage terminal of ground connection, voltage comparator LM is connect by 3rd resistor R3 with noninverting input IN+, noninverting input IN+
It is grounded by photo resistance PC, photo resistance PC is parallel with the 5th capacitor C5；3rd resistor R3 is for dividing, noninverting input IN
The voltage of+input photo resistance PC.
The power voltage terminal of voltage comparator LM is connected to one end of slide rheostat RP, the other end of slide rheostat RP
Ground connection, slide plate, that is, slide rheostat RP output end of slide rheostat RP are connected to reverse input end IN-, can stir sliding and become
Hinder the input voltage of the slide plate adjustment reverse input end IN- of device RP；In the present embodiment, slide rheostat RP is adjusted in advance
A certain setting value.The power voltage terminal of voltage comparator LM is connected to output end DO, voltage comparator LM by the 4th resistance R4
Power voltage terminal connection switch indicator light LED2 one end, the other end of switch indication light LED2 connects the 5th resistance R5, the
The other end of five resistance R5 connects output end DO.
Output end DO is connected to the input terminal of phase inverter IV, and the power voltage terminal of phase inverter IV connects positive pole VO+,
Ground terminal ground connection, the output end connection switch module 84 of phase inverter IV.Phase inverter IV turns the signal of output end DO from high level
Change low level into, or by low transition at high level output to switch module 84, in the present embodiment, phase inverter IV use type
Number be 74hc04 reversed chip.
Switch module 84 includes triode Q and relay K, the base stage of triode Q and the output end and second of phase inverter IV
Thermistor NTC connection provides voltage, the emitter ground connection of triode Q for the base stage of triode Q, and the collector of triode Q connects
It is connected to one end of relay K coil, the relay K coil other end connects positive pole VO+, and the collector of triode Q passes through two
Pole pipe D connection positive pole VO+；The common end COM connection zero line L of relay K, the normally-closed contact of relay K is connected to slotting
The output end of head.
The course of work is as follows:
Compartment is raised, plug is inserted into, photo resistance PC is photosensitive, and resistance value declines rapidly, compared with 3rd resistor R3,
Its resistance value is negligible, and the noninverting input IN+ of voltage comparator LM, which is equivalent to, to be connected to ground, and is in low level state.Together
To input terminal IN+, reverse input end IN- relatively after, output end DO output low level be output to three after inverted device is reversed
The level of pole pipe Q base stage is high level, and emitter is grounded, and triode Q collector is connected with emitter, is equivalent to connecing for collector
Ground, collector are connect with one end of relay K coil, that is to say one end ground connection of relay K coil, because of relay K coil
Another termination positive pole VO+, the electrification of relay K coil, normally-closed contact disconnect, the firewire quilt between plug and electrical equipment
Cutting, entire route are in off-position.
Compartment, photo resistance PC no light are closed, it is in high-impedance state that resistance value, which rises rapidly, 3rd resistor R3's
Resistance value is negligible, and the noninverting input IN+ of voltage comparator LM is equivalent to be connect with positive pole VO+, is in high level shape
State.Noninverting input IN+, reverse input end IN- relatively after, output end DO export high level, after inverted device is reversed, output
Level to triode Q base stage is low level, and triode Q collector is not turned on emitter, and relay K coil is not charged,
Normally-closed contact is failure to actuate, and connected state is in, and entire route is in power supply state.When in plug when the temperature is excessively high, the second temperature-sensitive
The resistance value of resistance NTC declines rapidly, is equivalent to triode Q base stage and connect with positive pole VO+, triode Q collector and hair
Emitter-base bandgap grading conducting, the ground connection of collector, the electrification of relay K coil, normally-closed contact disconnect, and entire route is cut off, and plays protection
Effect.
In the present embodiment, which is two-pin plug, and above-mentioned technical proposal is equally applicable to 3-phase plug.
The above specific structure is to have carried out specific description to presently preferred embodiments of the present invention, but be not intended to limit this hair
Bright embodiment and protection scope, those skilled in the art can also do on the premise of without prejudice to spirit of the invention
Perhaps these equivalent deformations or replacement of replacement are all contained in defined by the claim of this application various equivalent variations out
In range.
Claims (10)
1. a kind of intelligent plug, including shell, it is characterised in that: be provided with the first pin to connect zero curve on the shell
(4), it to connect the second pin (5) of firewire, is provided with control device (7) in the shell, the control device (7) includes
Power input (80), voltage transformation module (81), optoelectronic induction module (83) and switch module (84)；The power input
It (80) include zero line (L) and zero line side (N), the zero line (L) connect with second pin (5), the zero line side (N) and the
One pin (4) connection；The voltage transformation module (81) connect with the optoelectronic induction module (83) to power；The light inductance
Module (83) is answered to connect with the switch module (84), the output end of switch module (84) connection plug.
2. a kind of intelligent plug according to claim 1, it is characterised in that: the voltage transformation module (81) includes transformation
The input terminal of device (NF) and rectification chip (RC), the transformer (NF) is connect with power input (80), the transformer
(NF) output end is connect with the input terminal of the rectification chip (RC).
3. a kind of intelligent plug according to claim 2, it is characterised in that: the zero line (L) passes through fuse (FU)
It is connect with one end of the transformer (NF), the zero line side (N) connects the transformer by the first thermistor (NTC)
(NF) the other end；Described fuse one end (FU) connects bilateral diode (TVS), bilateral diode (TVS) other end
Connect first thermistor (NTC)；The output end of the rectification chip (RC) includes positive pole (VO+), power cathode
(VO-), the positive pole (VO+) connects the power cathode (VO-), the power cathode by unilateral diode (TVS)
(VO-) it is grounded.
4. a kind of intelligent plug according to claim 3, it is characterised in that: the control device (7) includes temperature monitoring
Module (82), the temperature monitoring module (82) are provided with the second thermistor (NTC), second thermistor (NTC) one
End connects the positive pole (VO+), and the other end connects the switch module (84)；Second thermistor (NTC) passes through
Second resistance (R2) ground connection.
5. a kind of intelligent plug according to claim 3, it is characterised in that: the optoelectronic induction module (83) includes voltage
Comparator (LM), photo resistance (PC) and phase inverter (IV), the voltage comparator (LM) includes noninverting input (IN+), anti-
To input terminal (IN-) and output end (DO), the power voltage terminal of the voltage comparator (LM) connects the positive pole (VO
+), ground terminal ground connection；The positive pole (VO+) connects the noninverting input (IN+) by 3rd resistor (R3), described
Noninverting input (IN+) is grounded by the photo resistance (PC)；The positive pole (VO+) is connected to slide rheostat (RP)
One end, the other end ground connection of the slide rheostat (RP), the output end of the slide rheostat (RP) is connected to described anti-
To input terminal (IN-)；The positive pole (VO+) is connected to the output end (DO) by the 4th resistance (R4), the output
(DO) is held to connect the input terminal of the phase inverter (IV), the power voltage terminal of the phase inverter (IV) connects the positive pole
(VO+), ground terminal is grounded, and the output end of the phase inverter (IV) connects the switch module (84).
6. a kind of intelligent plug according to claim 5, it is characterised in that: positive pole (VO+) connection switch refers to
Show lamp (LED2), switch indication light (LED2) other end is connected to the output end (DO) by the 5th resistance (R5).
7. a kind of intelligent plug according to claim 5, it is characterised in that: the switch module (84) includes triode
(Q) and relay (K), output end, the second thermistor (NTC) of the base stage of the triode (Q) and the phase inverter (IV)
Connection, the emitter ground connection of the triode (Q), the collector of the triode (Q) connect the one of relay (K) coil
End, relay (K) the coil other end connect positive pole (VO+)；The common end COM connection firewire of the relay (K)
Hold L, the output end of the normally-closed contact connection plug of the relay (K).
8. a kind of intelligent plug according to claim 1, it is characterised in that: the shell includes pedestal (12), the bottom
The for offering the first through hole (121) passed through for first pin (4) on seat (12), being passed through for the second pin (5)
Two through-holes (122)；The first through hole (121), the second through-hole (122) are ipsilateral or not ipsilateral are provided with to support described
The support plate (2) of one pin (4), second pin (5).
9. a kind of intelligent plug according to claim 8, it is characterised in that: be provided on the support plate (2) to solid
Determine the fixing groove (3) of first pin (4), second pin (5).
10. a kind of intelligent plug according to claim 8, it is characterised in that: first pin (4), second pin (5)
It is extended with bending part positioned at the intracorporal one end of the shell, is provided on the bending part for by first pin (4), the
Two pins (5) are fixed on the tension disc (6) in the fixing groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211299.8A CN109888577A (en) | 2019-03-20 | 2019-03-20 | A kind of intelligent plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211299.8A CN109888577A (en) | 2019-03-20 | 2019-03-20 | A kind of intelligent plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109888577A true CN109888577A (en) | 2019-06-14 |
Family
ID=66933223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910211299.8A Pending CN109888577A (en) | 2019-03-20 | 2019-03-20 | A kind of intelligent plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109888577A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111309114A (en) * | 2020-02-27 | 2020-06-19 | 浪潮商用机器有限公司 | Server and upper cover management system thereof |
-
2019
- 2019-03-20 CN CN201910211299.8A patent/CN109888577A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111309114A (en) * | 2020-02-27 | 2020-06-19 | 浪潮商用机器有限公司 | Server and upper cover management system thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10337676B2 (en) | LED tube lamp | |
| US9270129B2 (en) | Intelligent pulse temperature control charger | |
| WO2017124742A1 (en) | Indication circuit for switch power supply and using method therefor | |
| KR100917226B1 (en) | The led lamp | |
| CN107637169A (en) | Can delay lighting circuit and device | |
| CN109888577A (en) | A kind of intelligent plug | |
| CN104427700A (en) | Overheating protection circuit, LED (light-emitting diode) drive circuit and lamp | |
| CN209592510U (en) | A kind of intelligent plug | |
| CN103812233B (en) | Micro-electric current inductive power supply type temperature measurement and alarm device and thermometric alarm method | |
| CN101317734A (en) | Electric chafing dish with constant temperature function and constant temperature control method of the electric chafing dish | |
| CN204305388U (en) | A kind of removable Light-operated night lamp | |
| CN103391660A (en) | LED lamp over-temperature protection circuit and LED lamp | |
| CN110049592A (en) | LED lamp and its intelligent control method | |
| CN208623943U (en) | A kind of LED drive circuit | |
| CN210090991U (en) | Water tower control circuit, semiconductor chip and water tower control device | |
| CN209059135U (en) | A kind of light source and cold light source for endoscope system with malfunction monitoring function | |
| CN209982773U (en) | LED device | |
| CN208608486U (en) | It is a kind of to export controllable multifunctional power socket | |
| CN208154348U (en) | A kind of wireless lighting lamp | |
| CN207766599U (en) | A kind of driving power and lighting device | |
| CN202614856U (en) | Sensor testing device | |
| CN205248558U (en) | Electric access induction system | |
| KR20100135632A (en) | The electronic wall mounted switch and its load equipment | |
| CN2133983Y (en) | Overcharge alarm charger for nickel-cadmium battery | |
| CN218767140U (en) | Test circuit for EMC voltage sag and short-time interruption test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |