CN208548491U - A kind of safety pin with thermistor - Google Patents
A kind of safety pin with thermistor Download PDFInfo
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- CN208548491U CN208548491U CN201821366153.8U CN201821366153U CN208548491U CN 208548491 U CN208548491 U CN 208548491U CN 201821366153 U CN201821366153 U CN 201821366153U CN 208548491 U CN208548491 U CN 208548491U
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- pin
- thermistor
- pinboard
- fixed
- foot
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Abstract
The utility model 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 utility model 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 utility model 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.
Utility model content
One, technical problems to be solved
The utility model provides a kind of new type of safe with thermistor for drawbacks described above present in the prior art
Plug, 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, the beneficial effects of the utility model
Compared with prior art, the safety pin with thermistor of the utility model is by the way that thermistor to be arranged
On pinboard top, can the pin to pinboard lower part sensitively incuded and carried out overheating protection, while by inserting
Needle insertion pin lid is fixed, and thermistor and signal wire are installed in a manner of being welded and fixed with contact pin both ends respectively, both side
Installation and meanwhile also ensure the solid and reliable of installation；Further shell is directly formed by way of injection molding, is being guaranteed
Also there is good leakproofness while structure-integrated；Thermistor and pin are arranged on pinboard simultaneously simultaneously, can be with
The temperature of sharper detection pin.
Detailed description of the invention
Fig. 1 is a kind of explosive view 1 of the safety pin with thermistor of the utility model；
Fig. 2 is the pin part and pin lid perspective view of a kind of safety pin with thermistor of the utility model；
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 embodiment of the present utility model is described in further detail.Below
Embodiment cannot be used to limit the scope of the utility model for illustrating the utility model.
Embodiment 1:
A kind of safety pin with thermistor of the utility model embodiment 1, as depicted in figs. 1 and 2, comprising:
Pin part 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 6,7 and of pin
Heat-sensing 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
The temperature of pin 7；Specifically, pin part 1 and 2 fixed form of pin lid are as follows, are respectively provided with a buckle in 6 two sides of pinboard
Slot, 2 two sides of pin lid are respectively provided with a fastening strip 11, and buckle slot and fastening strip 11 correspond and cooperate clamping, thus by pin
Plate 6 is fixed on 2 bottom of pin lid, and 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 integral sealing of safety pin of the utility model with thermistor can guarantee
Property, while integrated effect 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.
The safety plug of the utility model in actual application, encounters plug and female contact is bad or other accidents
Situation causes safety plug temperature to increase, at this point, if carrying out temperature detection without thermistor 10 and issuing to control unit high
Warm signal disconnects power supply, is easy to cause the accidents such as fire, therefore, realizes the overheating protection to safety plug by thermistor 10
It can guarantee Electrical Safety.
Embodiment of above is merely to illustrate the utility model, and is not limitation of the utility model, related technology neck
The those of ordinary skill in domain, in the case where not departing from the spirit and scope of the utility model, can also make a variety of changes and
Modification, therefore all equivalent technical solutions also belong to the scope of the utility model, the scope of patent protection of the utility model is answered
It is 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 |
|---|---|---|---|
| CN201821366153.8U CN208548491U (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 |
|---|---|---|---|
| CN201821366153.8U CN208548491U (en) | 2018-08-23 | 2018-08-23 | A kind of safety pin with thermistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208548491U true CN208548491U (en) | 2019-02-26 |
Family
ID=65426411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821366153.8U Active CN208548491U (en) | 2018-08-23 | 2018-08-23 | A kind of safety pin with thermistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208548491U (en) |
-
2018
- 2018-08-23 CN CN201821366153.8U patent/CN208548491U/en active Active
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