CN208461130U - It is a kind of to prevent attaching plug on fire - Google Patents
It is a kind of to prevent attaching plug on fire Download PDFInfo
- Publication number
- CN208461130U CN208461130U CN201821081139.3U CN201821081139U CN208461130U CN 208461130 U CN208461130 U CN 208461130U CN 201821081139 U CN201821081139 U CN 201821081139U CN 208461130 U CN208461130 U CN 208461130U
- Authority
- CN
- China
- Prior art keywords
- normally
- closed contact
- fire
- attaching plug
- connecting line
- 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.)
- Active
Links
Landscapes
- Fire-Detection Mechanisms (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The utility model, which provides, a kind of prevents attaching plug on fire, including header body, the header body includes outer housing, outer housing is equipped with pin and connecting line, connecting line includes zero curve N and firewire L, its main feature is that: temperature detecting element is additionally provided in the outer housing of the header body, an overtemperature protection device is concatenated on the connecting line, the overtemperature protection device includes shell, the intracorporal disconnection device of shell, the output end of the temperature detecting element is connect with the disconnection device, it is concatenated respectively on the zero curve N and firewire L of the connecting line by the first normally-closed contact K1 and the second normally-closed contact K2 of the disconnection device control.Load excessive causes attaching plug adstante febre, actively cuts off the connection of connecting line and power supply, to disconnect load, making attaching plug, there is no electric currents to pass through, and avoids attaching plug and the load appliance that is connected from burning out or on fire causes fire.In addition, also adding creepage protection function, use is more safe and reliable.
Description
Technical field
The utility model belongs to general electronic corporation technical field, is related to a kind of improvement of attaching plug, specifically a kind of anti-
Attaching plug on fire.
Background technique
Existing attaching plug includes plug and connecting line, and connecting line one end is connect with plug, other end connection load
(such as electric heater electric appliance) functions only as the effect of connection power supply, does not have any technical measures to protect in plug and connecting line
Whether barrier matches with the load of institute's band below.In actual use, since attaching plug does not overload and overheating protection function
Can, plug can generate heat after load excessive, the load appliance that can be burnt out attaching plug when serious and be connected, or even can cause people
Body safety accident or fire, consequence are extremely serious.
Summary of the invention
The utility model to solve the above problems existing in the prior art, provide it is a kind of prevent attaching plug on fire, when negative
Carry it is excessive cause attaching plug adstante febre, the connection of actively cut off the power line and power supply, to disconnect load, make plug there is no
Electric current passes through, and avoids plug and the load appliance that is connected from burning out or on fire causes fire.
The purpose of this utility model is achieved through the following technical solutions:
A kind of to prevent attaching plug on fire, including header body, the header body includes outer housing, on the outer housing
Equipped with pin and connecting line, the connecting line includes that one end connection load, the other end connect the zero curve N and firewire L of the pin,
It is characterized in that, being additionally provided with temperature detecting element in the outer housing of the header body, concatenation one surpasses on the connecting line
Temperature protection device, the overtemperature protection device include shell, the intracorporal disconnection device of shell, the output end of the temperature detecting element
It connect, concatenates respectively on the zero curve N and firewire L of the connecting line by the first of the disconnection device control with the disconnection device
Normally-closed contact K1 and the second normally-closed contact K2.
The first improvement to above-mentioned technical proposal: the temperature detecting element is button-shaped temperature detect switch (TDS), switch
Contact is normally opened contact；The disconnection device is intermediate relay J, two normally-closed contact conducts of the intermediate relay J
The first normally-closed contact K1 and the second normally-closed contact K2, the normally opened contact of the button-shaped temperature detect switch (TDS) be connected on it is intermediate after
In the current supply circuit of electric appliance J coil.
Second of improvement to above-mentioned technical proposal: the temperature detecting element is thermistor R1, and the overtemperature is protected
Protection unit further includes having decision circuitry and DC power supplier；The decision circuitry includes operational amplifier F and its biased electrical
Road；The disconnection device is buckle releaser, and the thermistor R1 is connected to the signal input part of the operational amplifier F, institute
The signal output end for stating operational amplifier F is connected to the buckle releaser；Two normally-closed contacts of the buckle releaser are as described
First normally-closed contact K1 and the second normally-closed contact K2.
The third improvement to above-mentioned technical proposal: the temperature detecting element is thermistor R1, and the overtemperature is protected
Protection unit further includes having decision circuitry and DC power supplier；The decision circuitry includes operational amplifier F and its biased electrical
Road；The disconnection device includes intermediate relay J, triode D and its biasing circuit, and two of the intermediate relay J are often
Closed contact is as the first normally-closed contact K1 and the second normally-closed contact K2；The thermistor R1 is connected to the operation and puts
The signal input part of big device F, the signal output end of the operational amplifier F are connect with the base stage b of the triode D, it is described in
Between relay J coil tandem the triode D collector c and DC power supplier provide working power between.
The 4th kind of improvement to above-mentioned technical proposal: the temperature detecting element is button-shaped temperature detect switch (TDS), described disconnected
Opening apparatus is buckle releaser, and two normally-closed contacts of the buckle releaser are as the first normally-closed contact K1 and the second normally-closed contact
K2, the button-shaped temperature detect switch (TDS) are connect with the buckle releaser, and the overtemperature protection device further includes the photoelectricity of detection of electrical leakage
Coupler and electric leakage decision circuitry, luminous component one end of the photoelectrical coupler are connected on the ground wire of the connecting line,
The other end is connected to the first normally-closed contact K1 on the zero curve N and between the pin, and the electric leakage decision circuitry includes
The photo resistance R of DC power supplier, operational amplifier F and its biasing circuit, the photoelectrical coupler is connected to the fortune
The signal input part of amplifier F is calculated, the signal output end of the operational amplifier F is connected to the buckle releaser；Overtemperature state, heat
Quick resistance R1 change in resistance makes the buckle releaser control the first normally-closed contact K1 and the second normally-closed contact K2 opening, the firewire L
And zero curve N is disconnected with the load；The luminous component of leakage condition, the photoelectrical coupler 1 is powered, photo resistance R resistance value
Variation beats the first normally-closed contact K1 and the second normally-closed contact K2 of buckle releaser described in the electric leakage decision circuitry active control
It opens, the firewire L and zero curve N is kept to disconnect with the load.
Further improvement to above-mentioned technical proposal: pcb board, the overtemperature are set in the shell of the overtemperature protection device
Each component of protective device is mounted on the pcb board, and the firewire L, zero curve N and ground wire draw from the both ends of the shell
Out.
Further improvement to above-mentioned technical proposal: reset switch is arranged in the buckle releaser, the overtemperature protection device
Reset switch, indicator light is arranged in housing upper face, and the reset switch is the reset switch of the buckle releaser, and the indicator light is
LED light, and connect with working power.
The utility model compared with prior art the advantages of and good effect be:
Temperature detecting element is arranged in the utility model in plug, when load excessive plug adstante febre, temperature detecting element
Make to disconnect device work, cutting load connecting line, to disconnect load, making plug, there is no electric currents to pass through, and avoids plug burning
It is bad or on fire cause fire.In addition, also adding creepage protection function, the break function of buckle releaser is taken full advantage of, using more
Add safe and reliable.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for preventing attaching plug on fire of the utility model；
Fig. 2, which is that the utility model is a kind of, to be prevented in attaching plug on fire using button-shaped temperature detect switch (TDS) and AC relay
Structural schematic diagram；
Fig. 3, which is that the utility model is a kind of, to be prevented in attaching plug on fire using button-shaped temperature detect switch (TDS) and DC relay
Structural schematic diagram；
Fig. 4 is a kind of structural representation for preventing using thermistor and buckle releaser in attaching plug on fire of the utility model
Figure；
Fig. 5 is a kind of structural representation prevented attaching plug on fire and use thermistor and AC relay of the utility model
Figure；
A kind of structural representation prevented attaching plug on fire and there is overtemperature and double protection functions of leaking electricity of Fig. 6 the utility model
Figure.
Figure label are as follows: 1- header body, 1.1- outer housing, 1.2- pin, 1.3- connecting line, 1.4- temperature detection member
Part, 2- overtemperature protection device, 2.1- shell, 2.2- disconnect device, 2.3- DC power supplier, 2.4- photoelectrical coupler.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing:
Referring to Fig. 1, a kind of specific embodiment for preventing attaching plug on fire of the utility model, including header body 1, institute
Stating header body 1 includes outer housing 1.1, and the outer housing 1.1 is equipped with pin 1.2 and connecting line 1.3, and connecting line 1.3 includes
One end connection load, the other end connect the zero curve N and firewire L of the pin 1.2.It is also set in the outer housing 1.1 of header body 1
It is equipped with temperature detecting element 1.4, an overtemperature protection device 2 is concatenated on connecting line 1.3, overtemperature protection device 2 includes shell
2.1, the disconnection device 2.2 in shell 2.1, the output end of the temperature detecting element 1.4 are connect with device 2.2 is disconnected, even
It is normal that the first normally-closed contact K1 and second controlled by the disconnection device 2.2 is concatenated on the zero curve N and firewire L of wiring 1.3 respectively
Closed contact K2.
Referring to fig. 2, the utility model it is a kind of prevent in attaching plug on fire using button-shaped temperature detect switch (TDS) with exchange relay
The embodiment of device, structure and above-mentioned specific embodiment are essentially identical, and specific structure is: temperature detecting element 1.4 is button-shaped
Temperature detect switch (TDS), switch contact are normally opened contact, and disconnection device 2.2 is AC intermediate relay J, AC intermediate relay J's
Two normally-closed contacts as the first normally-closed contact K1 and the second normally-closed contact K2, button-shaped temperature detect switch (TDS) 1.4 it is normally opened
Contact series are in the current supply circuit of AC intermediate relay J coil.
Referring to Fig. 3, the utility model is a kind of to be prevented in attaching plug on fire using button-shaped temperature detect switch (TDS) and direct current relay
The embodiment of device, structure and above-mentioned specific embodiment are essentially identical, and specific structure is: temperature detecting element 1.4 is button-shaped
Temperature detect switch (TDS), switch contact are normally opened contact, and disconnection device 2.2 is direct current intermediate relay J, and DC power supplier 2.3 is
Direct current intermediate relay J power supply, two normally-closed contacts of direct current intermediate relay J are as the first normally-closed contact K1 and the
Two normally-closed contact K2, the normally opened contact of button-shaped temperature detect switch (TDS) 1.4 are connected on the current supply circuit of direct current intermediate relay J coil
In.
Referring to fig. 4, a kind of embodiment for preventing using thermistor and buckle releaser in attaching plug on fire of the utility model,
Structure and above-mentioned specific embodiment are essentially identical, and specific structure is: temperature detecting element 1.4 is thermistor R1, and overtemperature is protected
Protection unit 2 further includes having decision circuitry and DC power supplier 2.3；Decision circuitry includes operational amplifier F and its biasing circuit.
Disconnection device 2.2 is buckle releaser, and thermistor R1 is connected to the signal input part of the operational amplifier F, the operation amplifier
The signal output end of device F is connected to the buckle releaser 2.2；Two normally-closed contacts of buckle releaser 2.2 are normally closed as described first
Contact K1 and the second normally-closed contact K2.
Referring to Fig. 5, a kind of reality for preventing using thermistor and AC relay in attaching plug on fire of the utility model
Apply example, structure and above-mentioned specific embodiment are essentially identical, and specific structure is: the temperature detecting element 1.4 is temperature-sensitive electricity
R1 is hindered, overtemperature protection device 2 further includes having decision circuitry and DC power supplier 2.3；The decision circuitry includes that operation is put
Big device F and its biasing circuit；The disconnection device 2.2 include intermediate relay J, triode D and its biasing circuit, it is described in
Between relay J two normally-closed contacts as the first normally-closed contact K1 and the second normally-closed contact K2；The thermistor
R1 is connected to the signal input part of the operational amplifier F, the signal output end of the operational amplifier F and the triode D
Base stage b connection, the collector c and DC power supplier 2.3 of the coil tandem of the intermediate relay J in the triode D
Between the working power of offer.
Referring to Fig. 6, a kind of reality prevented attaching plug on fire and there is overtemperature and double protection functions of leaking electricity of the utility model
Example is applied, structure and above-mentioned specific embodiment are essentially identical, mainly increase creepage protection function, and specific structure is: described
Temperature detecting element 1.4 is button-shaped temperature detect switch (TDS), and the disconnection device 2.2 is buckle releaser, two normally-closed contacts of buckle releaser
As the first normally-closed contact K1 and the second normally-closed contact K2, the button-shaped temperature detect switch (TDS) is connect with the buckle releaser,
The overtemperature protection device further includes the photoelectrical coupler 2.4 and electric leakage decision circuitry of detection of electrical leakage, the photoelectric coupling
Luminous component one end of device 2.4 is connected on the ground wire of the connecting line 2, the other end be connected on the zero curve N first often
Between closed contact K1 and the pin 1.2, the electric leakage decision circuitry include DC power supplier 2.3, operational amplifier F and
Its biasing circuit, the photo resistance R of the photoelectrical coupler 2.4 are connected to the signal input part of the operational amplifier F, institute
The signal output end for stating operational amplifier F is connected to the buckle releaser.Overtemperature state, thermistor R1 change in resistance make described de-
It detains device and controls the first normally-closed contact K1 and the second normally-closed contact K2 opening, the firewire L and zero curve N are disconnected with the load；
The luminous component of leakage condition, the photoelectrical coupler 1 is powered, and photo resistance R change in resistance makes the electric leakage decision circuitry master
The the first normally-closed contact K1 and the second normally-closed contact K2 of the dynamic control buckle releaser are opened, keep the firewire L and zero curve N with
The load disconnects.
Further, pcb board, each component peace of the overtemperature protection device are set in the shell 2.1 of overtemperature protection device
On the pcb board, the firewire L, zero curve N and ground wire are drawn from the both ends of the shell.
Using in the embodiment of buckle releaser, reset switch, indicator light are set on the shell 2.1 of overtemperature protection device,
Reset switch is the reset switch of buckle releaser, and indicator light is LED light, and connect with working power.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, the made variations, modifications, additions or substitutions in the essential scope of the utility model,
Also belong to the protection scope of the utility model.
Claims (7)
1. a kind of prevent attaching plug on fire, including header body, the header body includes outer housing, is set on the outer housing
There are a pin and connecting line, the connecting line includes that one end connection load, the other end connect the zero curve N and firewire L of the pin,
It is characterized in that, temperature detecting element is additionally provided in the outer housing of the header body, an overtemperature is concatenated on the connecting line
Protective device, the overtemperature protection device include shell, the intracorporal disconnection device of shell, the output end of the temperature detecting element with
Disconnection device connection, concatenated on the zero curve N and firewire L of the connecting line respectively by the disconnection device control first often
Closed contact K1 and the second normally-closed contact K2.
2. described in accordance with the claim 1 prevent attaching plug on fire, which is characterized in that the temperature detecting element is button
Formula temperature detect switch (TDS), switch contact are normally opened contact；The disconnection device is intermediate relay J, the intermediate relay J
Two normally-closed contacts as the first normally-closed contact K1 and the second normally-closed contact K2, the button-shaped temperature detect switch (TDS) it is normal
Contact series are opened in the current supply circuit of intermediate relay J coil.
3. described in accordance with the claim 1 prevent attaching plug on fire, which is characterized in that the temperature detecting element is temperature-sensitive
Resistance R1, the overtemperature protection device further include having decision circuitry and DC power supplier；The decision circuitry includes operation
Amplifier F and its biasing circuit；The disconnection device is buckle releaser, and the thermistor R1 is connected to the operational amplifier
The signal output end of the signal input part of F, the operational amplifier F is connected to the buckle releaser；Two of the buckle releaser are often
Closed contact is as the first normally-closed contact K1 and the second normally-closed contact K2.
4. described in accordance with the claim 1 prevent attaching plug on fire, which is characterized in that the temperature detecting element is temperature-sensitive
Resistance R1, the overtemperature protection device further include having decision circuitry and DC power supplier；The decision circuitry includes operation
Amplifier F and its biasing circuit；The disconnection device includes intermediate relay J, triode D and its biasing circuit, it is described in
Between relay J two normally-closed contacts as the first normally-closed contact K1 and the second normally-closed contact K2；The thermistor
R1 is connected to the signal input part of the operational amplifier F, the signal output end of the operational amplifier F and the triode D
Base stage b connection, the coil tandem of the intermediate relay J provides in the collector c and DC power supplier of the triode D
Working power between.
5. described in accordance with the claim 1 prevent attaching plug on fire, which is characterized in that the temperature detecting element is button
Formula temperature detect switch (TDS), the disconnection device are buckle releaser, and two normally-closed contacts of the buckle releaser are as the first normally closed touching
Point K1 and the second normally-closed contact K2, the button-shaped temperature detect switch (TDS) are connect with the buckle releaser, and the overtemperature protection device also wraps
The photoelectrical coupler and electric leakage decision circuitry of detection of electrical leakage are included, luminous component one end of the photoelectrical coupler is connected to institute
It states on the ground wire of connecting line, the other end is connected to the first normally-closed contact K1 on the zero curve N and between the pin, described
Decision circuitry of leaking electricity includes DC power supplier, operational amplifier F and its biasing circuit, the photosensitive electricity of the photoelectrical coupler
Resistance R is connected to the signal input part of the operational amplifier F, and the signal output end of the operational amplifier F is connected to described de-
Detain device；Overtemperature state, thermistor R1 change in resistance make the buckle releaser control the first normally-closed contact K1 and the second normally-closed contact
K2 is opened, and the firewire L and zero curve N are disconnected with the load；The luminous component of leakage condition, the photoelectrical coupler 1 is logical
Electricity, photo resistance R change in resistance make the first normally-closed contact K1 and the of buckle releaser described in the electric leakage decision circuitry active control
Two normally-closed contact K2 are opened, and the firewire L and zero curve N is kept to disconnect with the load.
6. preventing attaching plug on fire according to claim 1-5 is described in any item, which is characterized in that the overtemperature protection device
Shell in pcb board is set, each component of the overtemperature protection device is mounted on the pcb board, the firewire L, zero curve N and
Ground wire is drawn from the both ends of the shell.
7. according to attaching plug on fire is prevented described in claim 3 or 5, which is characterized in that the buckle releaser setting, which resets, opens
It closes, reset switch, indicator light is arranged in the housing upper face of the overtemperature protection device, and the reset switch is answering for the buckle releaser
Bit switch, the indicator light is LED light, and is connect with working power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821081139.3U CN208461130U (en) | 2018-07-09 | 2018-07-09 | It is a kind of to prevent attaching plug on fire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821081139.3U CN208461130U (en) | 2018-07-09 | 2018-07-09 | It is a kind of to prevent attaching plug on fire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208461130U true CN208461130U (en) | 2019-02-01 |
Family
ID=65170629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821081139.3U Active CN208461130U (en) | 2018-07-09 | 2018-07-09 | It is a kind of to prevent attaching plug on fire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208461130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963671A (en) * | 2018-07-09 | 2018-12-07 | 相变能源科技（青岛）有限公司 | It is a kind of to prevent attaching plug on fire |
| CN110571599A (en) * | 2019-09-25 | 2019-12-13 | 海盐县盛安电器有限公司 | Automatic disconnection plug |
-
2018
- 2018-07-09 CN CN201821081139.3U patent/CN208461130U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108963671A (en) * | 2018-07-09 | 2018-12-07 | 相变能源科技（青岛）有限公司 | It is a kind of to prevent attaching plug on fire |
| CN110571599A (en) * | 2019-09-25 | 2019-12-13 | 海盐县盛安电器有限公司 | Automatic disconnection plug |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207010221U (en) | A kind of intelligent wireless controller switching equipment of fault detect | |
| CN202817403U (en) | Leakage protective plug | |
| CN208461130U (en) | It is a kind of to prevent attaching plug on fire | |
| CN100583571C (en) | Full-function secure plug | |
| CN107039853A (en) | It is a kind of can detection short circuit and high temperature automatically power off alarm security socket | |
| CN205752844U (en) | There is the insert row of load priority management function | |
| CN1317795C (en) | Safety plug having abnormal temp raising alarm | |
| CN206712156U (en) | It is a kind of can detection short circuit and high temperature automatically power off alarm security socket | |
| CN108963671A (en) | It is a kind of to prevent attaching plug on fire | |
| CN203339427U (en) | Intelligent safety power socket | |
| CN102130439A (en) | Leakage protection switch with virtual connection preventing function | |
| CN102891410B (en) | Extension socket capable of protecting router through temperature alarm | |
| CN203434386U (en) | Safety socket with over current protection function | |
| CN201994631U (en) | Leakage protection switch with function of preventing virtual connection | |
| CN206894224U (en) | Temperature Control Type insert row | |
| CN206135388U (en) | But automatic disconnection's energy -conserving circuit | |
| CN208608712U (en) | Active multifunctional electric leakage protector | |
| CN210806723U (en) | Overheat and overload protector for single-phase electric appliance | |
| CN108565830A (en) | Active multifunctional electric leakage protector | |
| CN101202434A (en) | CFCI with function of coil broken circuit fault indication | |
| CN204992683U (en) | Charger and electric motor car | |
| CN106374423A (en) | Energy-saving efficient circuit structure | |
| CN208508533U (en) | A kind of control loop power supply circuit | |
| CN206412751U (en) | The control circuit of earth leakage protective device with overvoltage protection | |
| CN201008052Y (en) | All-around safety plug |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |