CN209880981U - Safety plug with thermistor - Google Patents
Safety plug with thermistor Download PDFInfo
- Publication number
- CN209880981U CN209880981U CN201921139238.7U CN201921139238U CN209880981U CN 209880981 U CN209880981 U CN 209880981U CN 201921139238 U CN201921139238 U CN 201921139238U CN 209880981 U CN209880981 U CN 209880981U
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- CN
- China
- Prior art keywords
- plug
- thermistor
- safety
- shell
- wire
- 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.)
- Expired - Fee Related
Links
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model discloses a take thermistor's safety plug, include: the plug comprises a shell, a plug, a pin and a wire, wherein the shell is provided with a wire hole; be equipped with the plug recess that is used for holding the plug in the shell, install the thermistor that is used for detecting the plug temperature in the plug recess, install the signal lamp on the shell surface, thermistor is connected with the signal lamp electricity. The safety plug with the thermistor electrically connects the thermistor and the signal lamp through the arrangement of the thermistor and the signal lamp, when the temperature of the plug is overhigh, the resistance value of the thermistor can be continuously reduced, and the current passing through the signal lamp can be gradually increased, so that the signal lamp is lightened; therefore, the warning function can be achieved through the signal lamp, and safety accidents are avoided.
Description
Technical Field
The utility model relates to a safety plug technical field, concretely relates to take thermistor's safety plug.
Background
In the modern society, in the use process of more and more electric appliances, the internal temperature of a plug is often too high due to overlong charging time, so that rubber materials around the plug are embrittled, or a live wire and a zero line are short-circuited and broken, the whole electric equipment can be endangered, and a greater safety accident can be seriously caused.
SUMMERY OF THE UTILITY MODEL
To the weak point that exists in the above-mentioned problem, the utility model provides a take thermistor's safety plug.
The utility model discloses a take thermistor's safety plug, include: the plug comprises a shell, a plug, a pin and a wire, wherein a wire hole is formed in the shell;
the plug is characterized in that a plug groove used for containing the plug is formed in the shell, a thermistor used for detecting the temperature of the plug is installed in the plug groove, a signal lamp is installed on the outer surface of the shell, and the thermistor is electrically connected with the signal lamp.
As a further improvement of the utility model, the shell is close to one side of plug recess is equipped with first recess, first recess with the spiro union has first double-screw bolt in the communicating internal thread hole of plug recess, the end connection of first double-screw bolt has and is used for the centre gripping to fix the plug splint of plug.
As a further improvement of the present invention, the plug clamping plate is provided with a first insulating pad on a contact surface with the plug.
As a further improvement of the present invention, the plug is kept away from one side of the plug clamping plate is provided with the pin, the housing is provided with a through hole for the pin to penetrate through to the outside of the housing.
As a further improvement of the utility model, the shell is close to one side in electric wire hole is equipped with the second recess, the second recess with the spiro union has the second double-screw bolt in the communicating internal thread hole in electric wire hole, the end connection of second double-screw bolt has and is used for the centre gripping to fix the electric wire splint of electric wire.
As a further improvement of the present invention, the wire clamp plate is provided with a second insulating pad on a contact surface with the wire.
As a further improvement, the shell is a safety shell made of insulating materials.
As a further improvement of the present invention, the housing includes a first housing and a second housing, the first housing and the second housing are kept away from the one end of the wire hole is hinged to the hinge and close to the one end of the wire hole.
As a further improvement, the draw-in groove has all been seted up to one side that first shell and second shell are close to the electric wire hole, the inside of draw-in groove is equipped with the magnetic sheet, through the magnetic sheet is realized first shell and second shell looks lock.
Compared with the prior art, the beneficial effects of the utility model are that:
the safety plug with the thermistor electrically connects the thermistor and the signal lamp through the arrangement of the thermistor and the signal lamp, when the temperature of the plug is overhigh, the resistance value of the thermistor can be continuously reduced, and the current passing through the signal lamp can be gradually increased, so that the signal lamp is lightened; therefore, the warning function can be achieved through the signal lamp, and safety accidents are avoided;
the safety plug with the thermistor can perform insulation protection on the plug through the arrangement of the safety shell made of the insulating plastic material, so that people can be prevented from mistakenly touching the safety plug;
the safety plug with the thermistor of the utility model, through the arrangement of the first stud and the plug clamping plate, after the plug is placed in the plug groove, the plug clamping plate can clamp and fix the plug by rotating the first stud; through the setting of second double-screw bolt and electric wire splint, insert the downthehole back of electric wire with the electric wire, rotate the second double-screw bolt and can make electric wire splint carry out the centre gripping fixed to the electric wire.
Drawings
Fig. 1 is a schematic front view of a safety plug with a thermistor according to an embodiment of the present invention;
fig. 2 is a schematic front sectional view of a safety plug with a thermistor according to an embodiment of the present invention;
fig. 3 is a schematic side view of a safety plug with a thermistor according to an embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a thermistor and a signal lamp according to an embodiment of the present invention.
In the figure:
1. a secure enclosure; 2. a plug; 3. an electric wire; 4. a first housing; 5. a second housing; 6. a plug recess; 7. a wire hole; 8. a first circular groove; 9. a first stud; 10. a plug clamping plate; 11. a second circular groove; 12. a second stud; 13. a wire clamp plate; 14. a thermistor; 15. a signal lamp; 16. a hinge; 17. a card slot; 18. a magnetic sheet; 19. a first insulating pad; 20. a second insulating pad; 21. a pin; 22. and a through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-3, the utility model provides a take safety plug of thermistor, include: the safety plug comprises a safety shell 1, a plug 2, a wire 3, a first shell 4, a second shell 5, a plug groove 6, a wire hole 7, a first circular groove 8, a first stud 9, a plug clamping plate 10, a second circular groove 11, a second stud 12, a wire clamping plate 13, a thermistor 14, a signal lamp 15, a hinge 16, a clamping groove 17, a magnetic sheet 18, a first insulating pad 19, a second insulating pad 20, a pin 21 and a through hole 22; wherein:
the existing safety plugs all comprise a safety shell 1, a plug 2, a pin 21 and a wire 3, wherein the plug 2 is connected with the pin 21 and the wire 3, and the safety shell 1 is provided with a through hole 22 for the pin 21 to extend out and a wire hole 7 for the power supply wire 3 to pass through.
The utility model discloses a safety plug still includes except above-mentioned general structure:
the utility model is provided with a plug groove 6 for accommodating the plug 2 in the safety shell 1, a thermistor 14 for detecting the plug temperature is arranged in the plug groove 6, a signal lamp 15 is arranged on the outer surface of the safety shell 1, and the thermistor 14 is electrically connected with the signal lamp 15; specifically, as shown in fig. 4, the utility model presets wiring holes on the surface of the safety housing 1, the thermistor 14 is electrically connected with the signal lamp 15 through a wire, and the thermistor 14 is electrically connected with the signal lamp 15 and then connected to two ends of the power supply; the type of the thermistor 14 is an NTC thermistor, and when the temperature rises, the resistance value of the thermistor 14 will be continuously reduced, and the current passing through the signal lamp 15 will be gradually increased; when the resistance value of the NTC thermistor decreases to a preset value, the signal lamp 15 turns on. The utility model discloses a thermistor and signal lamp's setting, with thermistor and signal lamp electric connection, when the plug high temperature, can play the warning effect through the signal lamp, avoid causing the incident.
The utility model discloses a material of safe shell 1 is insulating plastic, and through the safe shell's of insulating plastic material setting, can carry out insulation protection to the plug, prevents that people from missing to touch.
The safety shell 1 of the utility model comprises a first shell 4 and a second shell 5, one side of the first shell 4 is provided with a hinge 16, the first shell 4 and the second shell 5 are movably connected through the hinge 16, and the safety shell 1 is conveniently opened and the plug 2 is put in through the arrangement of the hinge 16; draw-in groove 17 has all been seted up to one side that first shell 4 and second shell 5 are close to wire hole 7, and the inside of draw-in groove 17 is provided with magnetic sheet 18, through the setting of magnetic sheet 18, makes things convenient for the closure of safe shell 1.
The utility model discloses a first shell 4 is close to one side of plug recess 6 and has seted up first circular slot 8, and the inside threaded connection of first circular slot 8 has first double-screw bolt 9, and the one end of first double-screw bolt 9 runs through to the inside of plug recess 6 and swing joint has plug splint 10, through the setting of first double-screw bolt 9 and plug splint 10, puts into plug recess 6 back with plug 2, rotates first double-screw bolt 9 and can make plug splint 10 carry out the centre gripping fixed to plug 2. Further, the lower surface of the plug clamping plate 10 is fixedly connected with a first insulating pad 19, and the plug 2 can be protected in an insulating mode through the arrangement of the first insulating pad 19.
The utility model discloses a first shell 4 has been close to one side of wire hole 7 and has been seted up second circular slot 11, the inside threaded connection of second circular slot 11 has second double-screw bolt 12, the one end of second double-screw bolt 12 runs through to the inside of wire hole 7 and swing joint has wire splint 13, through the setting of second double-screw bolt 12 and wire splint 13, insert back in the wire hole 7 with electric wire 3, it can make wire splint 13 carry out the centre gripping fixed to electric wire 3 to rotate second double-screw bolt 12, furthermore, the inner wall fixedly connected with second insulating pad 20 of wire splint 13, through the setting of second insulating pad 20, can play insulating guard action to electric wire 3.
The side of the plug 2 far away from the plug clamping plate 10 is provided with a pin 21, one side of the second shell 5 is provided with a through hole 22, and the pin 21 penetrates through only one side of the through hole 22.
The utility model has the advantages that:
the safety plug with the thermistor electrically connects the thermistor and the signal lamp through the arrangement of the thermistor and the signal lamp, and when the temperature of the plug is too high, the safety plug can play a role of warning through the signal lamp, so that safety accidents are avoided;
the safety plug with the thermistor can perform insulation protection on the plug through the arrangement of the safety shell made of the insulating plastic material, so that people can be prevented from mistakenly touching the safety plug;
the safety plug with the thermistor of the utility model, through the arrangement of the first stud and the plug clamping plate, after the plug is placed in the plug groove, the plug clamping plate can clamp and fix the plug by rotating the first stud; through the setting of second double-screw bolt and electric wire splint, insert the downthehole back of electric wire with the electric wire, rotate the second double-screw bolt and can make electric wire splint carry out the centre gripping fixed to the electric wire.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 (9)
1. A safety plug with a thermistor, comprising: the plug comprises a shell, a plug, a pin and a wire, wherein a wire hole is formed in the shell;
it is characterized in that the preparation method is characterized in that,
the plug is characterized in that a plug groove used for containing the plug is formed in the shell, a thermistor used for detecting the temperature of the plug is installed in the plug groove, a signal lamp is installed on the outer surface of the shell, and the thermistor is electrically connected with the signal lamp.
2. The safety plug of claim 1, wherein a first groove is formed in one side of the housing, which is close to the plug groove, a first stud is screwed in an internal threaded hole of the first groove, which is communicated with the plug groove, and a plug clamping plate for clamping and fixing the plug is connected to the end of the first stud.
3. A safety plug according to claim 2, wherein the plug clamping plate is provided with a first insulating pad at the contact surface with the plug.
4. The safety plug of claim 2 wherein said plug is provided with said prongs on a side of said plug away from said plug clamping plate, said housing being provided with through holes for said prongs to pass through to the exterior of said housing.
5. The safety plug of claim 1, wherein a second groove is formed in one side of the housing close to the wire hole, a second stud is screwed in an internal threaded hole of the second groove communicated with the wire hole, and a wire clamping plate for clamping and fixing the wire is connected to the end of the second stud.
6. A safety plug according to claim 5, wherein said wire trap is provided with a second insulating pad at the interface with said wire.
7. A safety plug according to any one of claims 1 to 6 wherein the housing is a safety housing of insulating material.
8. The safety plug of claim 7, wherein the housing comprises a first housing and a second housing, wherein the first housing and the second housing are hinged at an end away from the wire hole and are fastened at an end close to the wire hole.
9. The safety plug as claimed in claim 8, wherein the first and second housings are provided with a slot on one side thereof adjacent to the wire hole, and a magnetic sheet is provided inside the slot, so that the first and second housings are fastened together by the magnetic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139238.7U CN209880981U (en) | 2019-07-19 | 2019-07-19 | Safety plug with thermistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921139238.7U CN209880981U (en) | 2019-07-19 | 2019-07-19 | Safety plug with thermistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209880981U true CN209880981U (en) | 2019-12-31 |
Family
ID=68949278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921139238.7U Expired - Fee Related CN209880981U (en) | 2019-07-19 | 2019-07-19 | Safety plug with thermistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209880981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112394758A (en) * | 2020-10-19 | 2021-02-23 | 田和刚 | Powder metallurgy billet sintering temperature control system |
-
2019
- 2019-07-19 CN CN201921139238.7U patent/CN209880981U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112394758A (en) * | 2020-10-19 | 2021-02-23 | 田和刚 | Powder metallurgy billet sintering temperature control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |