CN208420207U - temperature sensor and thermal printer - Google Patents
temperature sensor and thermal printer Download PDFInfo
- Publication number
- CN208420207U CN208420207U CN201820823125.8U CN201820823125U CN208420207U CN 208420207 U CN208420207 U CN 208420207U CN 201820823125 U CN201820823125 U CN 201820823125U CN 208420207 U CN208420207 U CN 208420207U
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- temperature sensor
- conductor
- conducting wire
- lead wire
- thermistor
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Abstract
The utility model relates to technical field of electronic components, provide a kind of temperature sensor, including thermistor, shell and conducting wire, the chamber for disposing thermistor is equipped in shell, thermistor is connected to conducting wire, and conducting wire is at least partially disposed in chamber；Shell is the first hierarchic structure, and there is the first hierarchic structure first step and height to be greater than the second step of first step height, and second step end is installed on the locating piece for being mounted on measured object.A kind of thermal printer, including printing portion are also provided, further include a kind of above-mentioned temperature sensor, the heating region of printing portion has the second hierarchic structure that can be bonded with the first hierarchic structure, and printing portion has the positioning column installed for locating piece.The utility model increases the contact area with printer heating position by hierarchic structure, the sensitivity of induction is improved, and can prevent temperature sensor from falling off from printer by locating piece, so that real-time detection is more accurate.
Description
Technical field
The utility model relates to technical field of electronic components, specially a kind of temperature sensor and thermal printer.
Background technique
The rapid development of electronic information, high efficiency, which is handled official business, be unable to do without the contribution of printer.Printer gos deep into each already
Industry field, wherein it is most commonly seen be also people often to be used surely belong to thermal printer, thermal printer is in POS terminal
It is used widely in the fields such as system, banking system, Medical Instruments.
Thermal printer requires temperature sensor and carrys out Real-time Feedback heating temperature, however existing temperature sensor is usual
React it is insensitive and also it is easy fall off from printer, lead to not accurately feed back heated in real-time temperature.
Utility model content
The purpose of this utility model is to provide a kind of temperature sensor and thermal printers, are increased by hierarchic structure
With the contact area of printer heating position, the sensitivity of induction is improved, and temperature sensing can be prevented by locating piece
Device falls off from printer, so that real-time detection is more accurate.
To achieve the above object, the utility model embodiment provides the following technical solutions: a kind of temperature sensor, including heat
Quick resistance, shell and conducting wire, the interior chamber being equipped with for disposing the thermistor of the shell, the thermistor and institute
Conducting wire connection is stated, the conducting wire is at least partially disposed in the chamber；The shell is the first hierarchic structure, first ladder
There is structure first step and height to be greater than the second step of the first step height, and the second step end is installed on
Locating piece for being mounted on measured object.
Further, the locating piece is circular ring structure, the surface position of the end face of the circular ring structure and the second step
In in same level.
Further, the thermistor includes NTC chip, and the one end for being placed in the indoor conducting wire of the chamber leads to
One lead wire of conductor and the second lead wire of conductor, first wire core and second wire core are respectively welded at the NTC
On two end faces of chip.
It further, further include wrapping the NTC chip, first wire core and second wire core
Epoxy encapsulating compound.
Further, first wire core is electrically connected by the first connection terminal with first lead wire of conductor, described
Second wire core is electrically connected by second connection end with second lead wire of conductor.
Further, heat-shrink tube is arranged on the conducting wire.
The utility model embodiment provide another technical solution: a kind of thermal printer, including printing portion, further include on
A kind of temperature sensor stated, the heating region of the printing portion have the second ladder that can be bonded with first hierarchic structure
Structure, and the printing portion has the positioning column for locating piece installation.
Further, further include display screen for displays temperature, the display screen be set to the conducting wire far from the shell
The connector of one end of body is electrically connected.
Compared with prior art, the utility model has the beneficial effects that being increased and printer heating part by hierarchic structure
The contact area of position improves the sensitivity of induction, and can prevent temperature sensor from taking off from printer by locating piece
It falls, so that real-time detection is more accurate.
Detailed description of the invention
Fig. 1 is a kind of perspective view of temperature sensor provided by the embodiment of the utility model；
Fig. 2 is a kind of perspective view of temperature sensor provided by the embodiment of the utility model；
In appended drawing reference: 1-NTC chip；2- connection welding；The first lead wire of conductor of 31-；The second lead wire of conductor of 32-；4- ring
Oxygen encapsulating compound；5- thermistor；6- shell；61- first step；62- second step；63- locating piece；The first connecting pin 71-
Son；72- second connection end；The first wire core of 81-；The second wire core of 82-；9- heat-shrink tube；10- conducting wire；11- connection
Device.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
All other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment provides a kind of temperature sensor, including thermistor 5, shell 6
And conducting wire 10, the interior chamber being equipped with for disposing the thermistor 5 of the shell 6, the thermistor 5 and the conducting wire
10 connections, the conducting wire 10 are at least partially disposed in the chamber；The shell 6 is the first hierarchic structure, first ladder
There is structure first step 61 and height to be greater than the second step 62 of 61 height of first step, 62 end of second step
Portion is installed on the locating piece 63 for being mounted on measured object.In the present embodiment, detection liquid is incuded using thermistor 5
Temperature, then obtained temperature information is spread out of by conducting wire 10 by conducting wire 10, wherein conducting wire 10 is two-conductor line, temperature-sensitive
In the chamber in shell 6, conducting wire 10 is attached thereto resistance 5, therefore conducting wire 10 is located in shell 6, is passed through
Hierarchic structure is set by shell 6, the contact area of shell 6 Yu printer heating position can be increased, enables thermistor 5
It is enough more promptly to sense heat, to improve the sensitivity of this temperature sensor, and can be to prevent by locating piece 63
Only temperature sensor falls off from printer, so that real-time detection is more accurate.
As the prioritization scheme of the utility model embodiment, Fig. 1 and Fig. 2 are please referred to, the locating piece 63 is annulus knot
The surface of structure, the end face of the circular ring structure and the second step 62 is located in same level.In the present embodiment, will determine
Position part 63 is set as circular ring structure, can be in order to cover position corresponding in printer, and the corresponding position of printer is cylinder, circle at this time
Ring can cover on the cylinder, to realize positioning.Certainly in addition to this, locating piece 63 can also use tetragonal structure, right
That answers on a printer there is quadrangular to be arranged for the tetragonal structure.
As the prioritization scheme of the utility model embodiment, referring to Fig. 1, the thermistor 5 includes NTC chip 1,
The one end for being placed in the indoor conducting wire 10 of the chamber leads to the first lead wire of conductor 31 and the second lead wire of conductor 32, and described first
Lead wire of conductor 31 and second lead wire of conductor 32 are respectively welded on two end faces of the NTC chip 1.In the present embodiment
In, thermistor 5 uses clip type NTC thermistor 5 (negative tempperature coefficient thermistor), equal in the both ends of the surface of NTC chip 1
Equipped with connection welding 2, by welding, the first lead wire of conductor 31 and the second lead wire of conductor 32 are welded in NTC chip 1
Both ends of the surface on.
Above scheme is advanced optimized, referring to Fig. 1, this temperature sensor further includes wrapping the NTC chip 1, institute
State the epoxy encapsulating compound 4 of the first lead wire of conductor 31 and second lead wire of conductor 32.In the present embodiment, it is encapsulated by epoxy
Glue 4 wraps NTC chip 1 and two conductor leadings, they can be integrally pasted onto shell 6.
As the prioritization scheme of the utility model embodiment, referring to Fig. 1, the first wire core 81 passes through the first connecting pin
Son 71 is electrically connected with first lead wire of conductor 31, and the second wire core 82 passes through second connection end 72 and second conductor
Lead 32 is electrically connected.It in this embodiment, can be by first lead wire of conductor 31, first conducting wire by two connection terminals
Core 81, second lead wire of conductor 32 and second wire core 82 are at circuit.
As the prioritization scheme of the utility model embodiment, referring to Fig. 1, being arranged with heat-shrink tube 9 on the conducting wire 10.?
In the present embodiment, anti-short circuit insulating effect can be played by the heat-shrink tube 9.
The utility model embodiment provides a kind of thermal printer, including printing portion and a kind of above-mentioned temperature sensor,
The heating region of the printing portion has the second hierarchic structure that can be bonded with first hierarchic structure, and the printing portion has
There is the positioning column for the locating piece 63 installation.In the present embodiment, there is the second hierarchic structure in the heating region of printer,
Can just it cooperate with the first hierarchic structure in temperature sensor, they fit together, so that the thermistor in shell 6
5 more can promptly sense heat, to improve the sensitivity of this temperature sensor.And by the way that locating piece 63 is pacified
It can prevent temperature sensor from falling off from printer on positioning column, so that real-time detection is more accurate.
As the prioritization scheme of the utility model embodiment, this printer further includes the display screen for displays temperature, institute
It states display screen and is electrically connected with the connector 11 for being set to the one end of the conducting wire 10 far from the shell 6.In the present embodiment, it connects
Device 11 can receive the heat signal of the induction of thermistor 5, be then input in display screen and intuitively show.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of temperature sensor, it is characterised in that: including thermistor, shell and conducting wire, be equipped with and be used in the shell
The chamber of the thermistor is disposed, the thermistor is connected to the conducting wire, and the conducting wire is at least partially disposed at the chamber
It is indoor；The shell is the first hierarchic structure, and there is first hierarchic structure first step and height to be greater than described first
The second step of step height, the second step end are installed on the locating piece for being mounted on measured object.
2. a kind of temperature sensor as described in claim 1, it is characterised in that: the locating piece is circular ring structure, the circle
The end face of ring structure and the surface of the second step are located in same level.
3. a kind of temperature sensor as described in claim 1, it is characterised in that: the thermistor includes NTC chip, is placed in
One end of the indoor conducting wire of chamber leads to the first lead wire of conductor and the second lead wire of conductor, first lead wire of conductor and
Second lead wire of conductor is respectively welded on two end faces of the NTC chip.
4. a kind of temperature sensor as claimed in claim 3, it is characterised in that: further include wrapping the NTC chip, described
The epoxy encapsulating compound of first lead wire of conductor and second lead wire of conductor.
5. a kind of temperature sensor as claimed in claim 3, it is characterised in that: the first wire core passes through the first connection terminal
It is electrically connected with first lead wire of conductor, the second wire core is electrically connected by second connection end and second lead wire of conductor
It connects.
6. a kind of temperature sensor as described in claim 1, it is characterised in that: be arranged with heat-shrink tube on the conducting wire.
7. a kind of thermal printer, including printing portion, it is characterised in that: further include one kind as described in claim 1-6 is any
Temperature sensor, the heating region of the printing portion have the second hierarchic structure that can be bonded with first hierarchic structure, and
The printing portion has the positioning column for locating piece installation.
8. a kind of thermal printer as claimed in claim 7, it is characterised in that: it further include the display screen for displays temperature,
The display screen is electrically connected with the connector for being set to the one end of the conducting wire far from the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820823125.8U CN208420207U (en) | 2018-05-30 | 2018-05-30 | temperature sensor and thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820823125.8U CN208420207U (en) | 2018-05-30 | 2018-05-30 | temperature sensor and thermal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208420207U true CN208420207U (en) | 2019-01-22 |
Family
ID=65112053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820823125.8U Active CN208420207U (en) | 2018-05-30 | 2018-05-30 | temperature sensor and thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208420207U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426133A (en) * | 2019-07-17 | 2019-11-08 | 陕西千山航空电子有限责任公司 | A kind of thermometry of pluggable extension |
| CN110987207A (en) * | 2019-12-30 | 2020-04-10 | 北京卫星环境工程研究所 | Method for fixing scattered wire type conducting wire outside spacecraft cabin |
-
2018
- 2018-05-30 CN CN201820823125.8U patent/CN208420207U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426133A (en) * | 2019-07-17 | 2019-11-08 | 陕西千山航空电子有限责任公司 | A kind of thermometry of pluggable extension |
| CN110987207A (en) * | 2019-12-30 | 2020-04-10 | 北京卫星环境工程研究所 | Method for fixing scattered wire type conducting wire outside spacecraft cabin |
| CN110987207B (en) * | 2019-12-30 | 2022-03-29 | 北京卫星环境工程研究所 | Method for fixing scattered wire type conducting wire outside spacecraft cabin |
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