CN109103637A - A kind of safety pin with thermistor - Google Patents
A kind of safety pin with thermistor Download PDFInfo
- Publication number
- CN109103637A CN109103637A CN201810968428.3A CN201810968428A CN109103637A CN 109103637 A CN109103637 A CN 109103637A CN 201810968428 A CN201810968428 A CN 201810968428A CN 109103637 A CN109103637 A CN 109103637A
- Authority
- CN
- China
- Prior art keywords
- pin
- thermistor
- pinboard
- fixed
- foot
- 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
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000013021 overheating Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
- H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
- H01R13/713—Structural association with built-in electrical component with built-in switch the switch being a safety switch
- H01R13/7137—Structural association with built-in electrical component with built-in switch the switch being a safety switch with thermal interrupter
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention discloses a kind of safety pins with thermistor, it is related to safety plug technical field, it include: pin part, pin lid and cable portion, pin part is fixed on pin base portion, pin part includes pinboard, pin and heat-sensing device, pin is fixed on pinboard bottom, and heat-sensing device setting is used to detect the temperature of pin in pinboard bottom, heat-sensing device；Heat-sensing device includes thermistor and clamping apparatus, and thermistor is fixed on pinboard bottom by clamping apparatus；Power supply line and signal wire are equipped in cable portion, power supply line is for connecting pin, and signal wire is for connecting thermistor；Wherein, pin includes zero curve foot and firewire foot, and thermistor is between zero curve foot and firewire foot；The present invention can the pin to pinboard lower part sensitively incuded and carried out overheating protection, while thermistor and pin are arranged on pinboard simultaneously, the temperature of detection pin that can be sharper.
Description
Technical field
The present invention relates to safety plug technical field more particularly to a kind of safety pins with thermistor.
Background technique
Modern society, in more and more electric appliance use processes, often because the charging time it is too long caused by plug inside
Temperature is excessively high and then leads to sizing material embrittlement or firewire and zero curve short circuit, open circuit around plug, and then can jeopardize entire electricity consumption and set
It is standby, it is serious to will lead to bigger safety accident.
A kind of temp-control plug as disclosed in Chinese utility model CN204732584U, comprising: pedestal and be fixed on bottom
The earth pin, zero line pin and the live prong that connect with power supply line in seat are in series with a temperature detect switch (TDS) on the live prong,
The outside of the temperature detect switch (TDS) is cased with a protection cap, and the protection cap is mounted on the base；The temperature of the utility model patent
The problem of control plug is directly connecting temperature detect switch (TDS) on pin, and it is short that there are service lifes, high failure rate.
A kind of for another example attaching plug with temperature control device disclosed in Chinese utility model CN206893927U, to insert
Temperature inside head is monitored in real-time, once temperature is excessively high, charging equipment corresponding to plug can stop charging, and ensure that electricity
Lasting effective work of source plug, avoids the generation of security risk.It includes plug internal model, and the plug internal model is used to insert
The end face for connecing power supply arranges that there are three pins, and three pins are exposed, is disposed with several thermistors in the plug internal model,
The thermistor is connected on pcb board, concave inward structure is provided in the plug internal model, the concave inward structure is for being fixedly mounted with
The pcb board is provided with temperature data interface, the temperature data interface external data line on the pcb board, but this is practical new
The problem of pcb board is set up directly in attaching plug by type, substantially increases production and processing cost, exists simultaneously high failure rate.
Summary of the invention
One, technical problems to be solved
It is slotting to provide a kind of new type of safe with thermistor for drawbacks described above present in the prior art by the present invention
Head, solves the safety issue of plug, while also solving existing temp-control plug structure is complicated, manufactures difficult ask
Topic.
Two, technical solution
To solve the above problems, providing a kind of safety pin with thermistor, comprising: pin part, pin lid
With cable portion, pin part is fixed on pin base portion, and pin part includes pinboard, pin and heat-sensing device, and pin is fixed on slotting
Sole bottom, heat-sensing device setting are used to detect the temperature of pin in pinboard bottom, heat-sensing device；
Heat-sensing device includes thermistor and clamping apparatus, and thermistor is fixed on pinboard bottom by clamping apparatus；
Power supply line and signal wire are equipped in cable portion, power supply line is for connecting pin, and signal wire is for connecting thermistor；
Wherein, pin includes zero curve foot and firewire foot, and thermistor is between zero curve foot and firewire foot.
Wherein, two root cutting needles are additionally provided in pin part, signal wire quantity is two, and two root cutting needles are threaded through pin and cover,
Two root cutting needle lower ends wear pinboard bottom and connect with thermistor both ends, two root cutting needle upper ends respectively with two signal wires
Connection.
Wherein, pin further includes foot of the ground wire.
Wherein, it is fixed between power supply line and pin using riveting.
Wherein, the safety pin with thermistor further includes shell, and pinboard and pin lid are arranged inside the shell, outside
Shell is also used to be connected and fixed cable portion.
Wherein, shell upper is additionally provided with upper cover, and upper cover is fixed by several connecting holes.
Wherein, pinboard two sides are respectively provided with a buckle slot, and pin lid two sides are respectively provided with a fastening strip, buckle slot and fastening strip
Clamping is corresponded and cooperates, so that pinboard is fixed on pin base portion.
Wherein, it is set on heat-sensing device there are two inserting column, insertion of the inserting column for contact pin is fixed.
Wherein, thermistor both ends are fixed with two root cutting needles by welding manner.
Three, beneficial effects of the present invention
Compared with prior art, the safety pin of the invention with thermistor is by inserting thermistor setting
Sole top, can the pin to pinboard lower part sensitively incuded and carried out overheating protection, while being inserted by contact pin
Enter pin lid to fix, and thermistor and signal wire are installed in a manner of being welded and fixed with contact pin both ends respectively, both facilitated
It installs while also ensuring the solid and reliable of installation；Further shell is directly formed by way of injection molding, is guaranteeing structure
It is integrated at the same also have good leakproofness；Thermistor and pin are arranged on pinboard simultaneously simultaneously, can be more
The temperature of sharp detection pin.
Detailed description of the invention
Fig. 1 is a kind of explosive view 1 of the safety pin with thermistor of the present invention；
Fig. 2 is the present invention a kind of pin part and pin lid perspective view of the safety pin with thermistor；
In figure: 1 is pin part；2 be pin lid；3 be cable portion；4 be shell；5 be upper cover；6 be pinboard；7 be pin；
8 be heat-sensing device；9 be contact pin；10 be thermistor；11 be fastening strip；12 be inserting column；13 be clamping apparatus；14 be connecting hole.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example cannot be used to limit the scope of the invention for illustrating the present invention.
Embodiment 1:
A kind of safety pin with thermistor of the embodiment of the present invention 1, as depicted in figs. 1 and 2, comprising: pin
Portion 1, pin lid 2 and cable portion 3, pin part 1 are fixed on 2 bottom of pin lid, and pin part 1 includes pinboard 6, pin 7 and temperature-sensitive
Device 8, pin 7 are fixed on 6 bottom of pinboard, and the setting of heat-sensing device 8 is in 6 bottom of pinboard, and heat-sensing device 8 is for detecting pin
7 temperature；Specifically, pin part 1 and 2 fixed form of pin lid are as follows, are respectively provided with a buckle slot in 6 two sides of pinboard, insert
2 two sides of foot lid are respectively provided with a fastening strip 11, and buckle slot and fastening strip 11 correspond and cooperate clamping, so that pinboard 6 be consolidated
It is scheduled on 2 bottom of pin lid, the snap fit is simple and convenient, is convenient for Fast Installation.
Heat-sensing device 8 includes thermistor 10 and clamping apparatus 13, and thermistor 10 is fixed on slotting by clamping apparatus 13
6 bottom of sole；
Power supply line and signal wire are equipped in cable portion 3, power supply line is for connecting pin 7, and signal wire is for connecting temperature-sensitive electricity
Resistance 10；It is fixed between power supply line and pin using riveting, 7 top of pin is reserved with power supply line riveting seat, installs simpler
Folk prescription is just.
As shown in Figure 1, pin 7 includes zero curve foot and firewire foot, thermistor 10 is between zero curve foot and firewire foot, heat
Quick resistance 10 is between zero curve foot and firewire foot, and thermistor and pin are all disposed on pinboard, in this position energy
So that the reaction of thermistor 10 is sensitiveer, because when plug and female contact are bad, when zero curve foot and firewire foot understand first
Between generate heat, while the position where clamping apparatus 13 also is located between zero curve foot and firewire foot.
As shown in Fig. 2, being additionally provided with two root cutting needles 9 in pin part 1, signal wire quantity is two, and two root cutting needles 9 are threaded through slotting
On foot lid 2, two root cutting needles, 9 lower end wears 6 bottom of pinboard and connect with 10 both ends of thermistor, two root cutting needles, 9 upper end point
It is not connect with two signal wires.
The safety pin with thermistor of the present embodiment further includes shell 4, and pinboard 6 and the setting of pin lid 2 exist
In shell 4, shell 4 is also used to be connected and fixed cable portion 3, and power supply line is wrapped up in shell 4 and cable portion 3 and the part of signal wire is adopted
With the mode one-pass molding of insert injection moulding, the overall tightness of the safety pin of the invention with thermistor can guarantee, together
When integration effect it is good.
4 top of shell is additionally provided with upper cover 5, and upper cover 5 is fixed by several connecting holes 14, and connecting hole 14 is arranged in pin lid 2
Top, 14 quantity of connecting hole is 4 in the present embodiment, and 14 middle position of connecting hole is equipped with rectangular item, is equipped in upper cover 5 and even
Connect the card slot of the corresponding cooperation in hole 14.
It is set on heat-sensing device 8 simultaneously there are two inserting column 12, insertion of the inserting column 12 for contact pin 9 is fixed, and inserting column 12 can also
To be arranged on pinboard 6, serve the same role.
10 both ends of thermistor are fixed with two root cutting needles 9 by welding manner, two root cutting needles, 9 upper end respectively with two signals
Line connection, completes the connection of signal wire and thermistor 10.
Embodiment 2:
The present embodiment is with the difference of embodiment 1: pin 7 further includes foot of the ground wire.
Safety plug of the invention in actual application, encounters plug and female contact is bad or other unexpected feelings
Condition causes safety plug temperature to increase, at this point, if carrying out temperature detection without thermistor 10 and issuing high temperature to control unit
Signal disconnects power supply, is easy to cause the accidents such as fire, therefore, can to the overheating protection of safety plug by the realization of thermistor 10
To guarantee Electrical Safety.
The above embodiments are only used to illustrate the present invention, and not limitation of the present invention, in relation to the common of technical field
Technical staff can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore all
Equivalent technical solution also belongs to scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (9)
1. a kind of safety pin with thermistor, which is characterized in that the safety pin packet with thermistor
Include: pin part (1), pin lid (2) and cable portion (3), the pin part (1) is fixed on pin lid (2) bottom, described to insert
Foot (1) includes pinboard (6), pin (7) and heat-sensing device (8), and the pin (7) is fixed on the pinboard (6) bottom,
In the pinboard (6) bottom, the heat-sensing device (8) is used to detect the temperature of the pin (7) for heat-sensing device (8) setting
Degree；
The heat-sensing device (8) includes thermistor (10) and clamping apparatus (13), and the thermistor (10) passes through the card
Connection device (13) is fixed on the pinboard (6) bottom；
Power supply line and signal wire are equipped in the cable portion (3), the power supply line is for connecting the pin (7), the signal
Line is for connecting the thermistor (10)；
The pin (7) includes zero curve foot and firewire foot, and the thermistor (10) is between the zero curve foot and firewire foot.
2. a kind of safety pin with thermistor as described in claim 1, which is characterized in that the pin part (1)
On be additionally provided with two root cutting needles (9), the signal wire quantity is two, and two contact pins (9) are threaded through the pin lid (2)
On, two contact pin (9) lower ends wear the pinboard (6) bottom and connect with the thermistor (10) both ends, two
Contact pin described in root (9) upper end is connect with two signal wires respectively.
3. a kind of safety pin with thermistor as described in claim 1, which is characterized in that the pin (7) is also
Including foot of the ground wire.
4. a kind of safety pin with thermistor as claimed in claim 3, which is characterized in that the power supply line and institute
It states and is fixed between pin using riveting.
5. a kind of safety pin with thermistor as described in claim 1, which is characterized in that the band thermistor
Safety pin further include shell (4), the pinboard (6) and pin lid (2) setting are described in the shell (4)
Shell (4) is also used to be connected and fixed the cable portion (3).
6. a kind of safety pin with thermistor as claimed in claim 5, which is characterized in that on the shell (4)
Portion is additionally provided with upper cover (5), and the upper cover (5) is fixed by several connecting holes (14).
7. a kind of safety pin with thermistor as described in claim 1, which is characterized in that the pinboard (6)
Two sides are respectively provided with a buckle slot, and pin lid (2) two sides are respectively provided with a fastening strip (11), the buckle slot and the fastening strip
(11) it corresponds and cooperates clamping, so that the pinboard (6) is fixed on pin lid (2) bottom.
8. a kind of safety pin with thermistor as claimed in claim 2, which is characterized in that the heat-sensing device
(8) it is set on there are two inserting column (12), insertion of the inserting column (12) for the contact pin (9) is fixed.
9. a kind of safety pin with thermistor as claimed in claim 2, which is characterized in that the thermistor
(10) both ends are fixed with two contact pins (9) by welding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968428.3A CN109103637A (en) | 2018-08-23 | 2018-08-23 | A kind of safety pin with thermistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810968428.3A CN109103637A (en) | 2018-08-23 | 2018-08-23 | A kind of safety pin with thermistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109103637A true CN109103637A (en) | 2018-12-28 |
Family
ID=64851098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810968428.3A Pending CN109103637A (en) | 2018-08-23 | 2018-08-23 | A kind of safety pin with thermistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109103637A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829677A (en) * | 2020-07-24 | 2020-10-27 | 方舟 | Thin film thermistor sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247921A (en) * | 2013-05-20 | 2013-08-14 | 无锡鑫宏业特塑线缆有限公司 | Temperature sensing plug assembly |
| CN203300906U (en) * | 2013-06-14 | 2013-11-20 | 东莞市联升电线电缆有限公司 | A plug equipped with a temperature sensor |
| CN204927590U (en) * | 2015-07-22 | 2015-12-30 | 海盐县盛安电器有限公司 | Take english plug of protective tube buckle riveting |
| CN208548491U (en) * | 2018-08-23 | 2019-02-26 | 余姚市嘉荣电子电器有限公司 | A kind of safety pin with thermistor |
-
2018
- 2018-08-23 CN CN201810968428.3A patent/CN109103637A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247921A (en) * | 2013-05-20 | 2013-08-14 | 无锡鑫宏业特塑线缆有限公司 | Temperature sensing plug assembly |
| CN203300906U (en) * | 2013-06-14 | 2013-11-20 | 东莞市联升电线电缆有限公司 | A plug equipped with a temperature sensor |
| CN204927590U (en) * | 2015-07-22 | 2015-12-30 | 海盐县盛安电器有限公司 | Take english plug of protective tube buckle riveting |
| CN208548491U (en) * | 2018-08-23 | 2019-02-26 | 余姚市嘉荣电子电器有限公司 | A kind of safety pin with thermistor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829677A (en) * | 2020-07-24 | 2020-10-27 | 方舟 | Thin film thermistor sensor |
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