CN109000815A - A kind of temperature sensor of replaceable NTC thermistor - Google Patents
A kind of temperature sensor of replaceable NTC thermistor Download PDFInfo
- Publication number
- CN109000815A CN109000815A CN201810721412.2A CN201810721412A CN109000815A CN 109000815 A CN109000815 A CN 109000815A CN 201810721412 A CN201810721412 A CN 201810721412A CN 109000815 A CN109000815 A CN 109000815A
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- China
- Prior art keywords
- ntc
- layer
- temperature sensor
- groove
- ntc thermistor
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The application provides a kind of temperature sensor of replaceable NTC thermistor, including substrate, circuit layer, encapsulated layer, harness and NTC thermistor；It is provided with downward groove on substrate, NTC placing groove, buckle and circuit layer are provided on bottom surface in a groove；It snaps through and is hingedly connected above NTC placing groove, for blocking the NTC thermistor prevented in NTC placing groove；Layer lid just covers the groove of substrate.Therefore, NTC thermistor when in use, can be placed in NTC placing groove, and be stuck with buckle, layer lid is finally covered to the groove of substrate by the temperature sensor of the replaceable NTC thermistor of the application.When NTC thermistor is burnt out, as long as lower layer is taken to cover, buckle is opened, replacement NTC thermistor can be carried out.In addition, the parameter values such as sensitivity, measurement range that the NTC temperature sensor of the application can change measurement by replacement NTC thermistor according to application environment, therefore be easy to use.
Description
Technical field
The application belongs to NTC temperature sensor field, and in particular to a kind of temperature sensing of replaceable NTC thermistor
Device.
Background technique
NTC is the abbreviation of Negative Temperature Coefficient, i.e. negative temperature coefficient, refers to negative temperature
Coefficient very big semiconductor material or component, so-called NTC thermistor is exactly negative tempperature coefficient thermistor.NTC be with manganese,
The metal oxides such as cobalt, nickel and copper are main material, when temperature is low, carrier (the electronics and hole) number of these oxide materials
Mesh is few, so its resistance value is higher；As the temperature rises, carrier number increases, so resistance value reduces.NTC temperature-sensitive electricity
Resistance variation range at room temperature is at 100~1000000 ohm, temperature coefficient -2%~-6.5%.Therefore NTC thermistor quilt
It is fabricated to NTC temperature sensor, can be widely used for thermometric, temperature control, temperature-compensating etc..
But existing NTC temperature sensor uses metal shell and epoxy resin encapsulation or epoxy resin directly to seal substantially
NTC thermistor is filled, therefore, the NTC thermistor in existing NTC temperature sensor is once burnt out, it will be unable to be replaced,
A new NTC temperature sensor can only be reinstalled.In addition, existing NTC temperature sensor is not because non-exchange can yet
Change the parameter values such as sensitivity, the measurement range of measurement according to environment, when the environment changes, needs replacing new NTC temperature and pass
Sensor, therefore use inconvenience.
Summary of the invention
In view of the deficiencies of the prior art, the application provides a kind of temperature sensor of replaceable NTC thermistor, to solve
The problem of NTC temperature sensor cannot be replaced in the prior art.
A kind of temperature sensor of replaceable NTC thermistor, including substrate, circuit layer, encapsulated layer, harness and NTC
Thermistor；
It is provided with downward groove on the substrate, is provided with card slot on the side of the groove, in the groove
Bottom surface on be provided with NTC placing groove, buckle and circuit layer；
The circuit layer includes the first conductive sheet and the second conductive sheet, and the harness includes that the first conducting wire and second are led
Line, one end of first conductive sheet are connect with first conducting wire, and the other end and the NTC of first conductive sheet are placed
One end of slot connects, and one end of second conductive sheet is connect with second conducting wire, the other end of second conductive sheet and
The other end of the NTC placing groove connects；
Described snap through is hingedly connected above the NTC placing groove, prevents in the NTC placing groove for blocking
NTC thermistor；
The encapsulated layer includes layer lid, flange and fixture block, and the flange is located at the first side of layer lid side, described
Fixture block is located at second side of layer lid side, and the flange matches with the card slot,
The layer lid just covers the groove of the substrate.
Preferably, the encapsulated layer further includes handle, and the handle is used to remove the institute on the groove for being buckled in the substrate
State layer lid.
Preferably, it is additionally provided with seal groove in the edge of the bottom surface of the groove, the encapsulated layer further includes that a circle is close
Strip of paper used for sealing；
The sealing strip is made of rubber；
The sealing strip matches with the seal groove.
Preferably, the encapsulated layer further includes harness insert port, and the harness insert port is located on the sealing strip, described
The size of harness insert port is equal to or less than the size of the harness, and the harness insert port is for allowing harness by being connected to electricity
On the floor of road.
Preferably, one end of first conductive sheet is provided with the first shrinkage pool, and one end of first conducting wire is provided with
One connector, first connector are inserted into first shrinkage pool；
One end of second conductive sheet is provided with the second shrinkage pool, and one end of second conducting wire is provided with the second connection
Head, second connector can be inserted into second shrinkage pool.
Preferably, the NTC thermistor is patch-type thermistor, single-ended/axial glass envelope type thermistor or epoxy
One kind of type thermistor.
Preferably, the harness is connect by soldering with pcb board.
Preferably, the encapsulated layer is made of one kind of epoxide-resin glue, silica gel and ceramics.
As it can be seen from the above scheme the application provides a kind of temperature sensor of replaceable NTC thermistor, including substrate,
Circuit layer, encapsulated layer, harness and NTC thermistor；Downward groove is provided on the substrate, in the side of the groove
On be provided with card slot, NTC placing groove, buckle and circuit layer are provided on the bottom surface in the groove；The circuit layer packet
The first conductive sheet and the second conductive sheet are included, the harness includes the first conducting wire and the second conducting wire, first conductive sheet
One end is connect with first conducting wire, and the other end of first conductive sheet is connect with one end of the NTC placing groove, and described
One end of two conductive sheets is connect with second conducting wire, and the other end of second conductive sheet is another with the NTC placing groove
End connection；Described snap through is hingedly connected above the NTC placing groove, prevents in the NTC placing groove for blocking
NTC thermistor；The encapsulated layer includes layer lid, flange and fixture block, and the flange is located at the first of layer lid side
Side, the fixture block are located at second side of layer lid side, and the flange matches with the card slot, and the layer lid just covers
The groove of the substrate.
Therefore, the temperature sensor of the replaceable NTC thermistor of the application when in use, can put NTC thermistor
It is placed in the NTC placing groove, and is stuck with buckle, the layer lid is finally covered to the groove of the substrate.When NTC temperature-sensitive electricity
When resistance is burnt out, as long as lower layer is taken to cover, buckle is opened, replacement NTC thermistor can be carried out.In addition, the NTC temperature of the application passes
The parameter values such as sensitivity, the measurement range that sensor can change measurement by replacement NTC thermistor according to application environment, therefore
It is easy to use.
Detailed description of the invention
Fig. 1 is the arrangement of temperature sensor schematic diagram of the replaceable NTC thermistor of the application；
Fig. 2 is the structural schematic diagram of the substrate of the replaceable NTC thermistor of the application；
Fig. 3 is the left view structural representation of the encapsulated layer of the replaceable NTC thermistor of the application；
Fig. 4 is the right side structural representation of the encapsulated layer of the replaceable NTC thermistor of the application；
Fig. 5 is the present invention looks up structural representation of the encapsulated layer of the replaceable NTC thermistor of the application.
Wherein, 1- substrate, 101- card slot, 102- seal groove, 103-NTC placing groove, 104- buckle, 2- circuit layer, 201-
First conductive sheet, the first shrinkage pool of 2011-, the first slot of 2012-, the second conductive sheet of 202-, the second shrinkage pool of 2021-, 2022- second
Slot, 3- encapsulated layer, 301- layers of lid, 302- flange, 303- fixture block, 304- handle, 305- sealing strip, 306- harness insert port,
4- harness, the first conducting wire of 401-, the first connector of 4011-, the second conducting wire of 402-, the second connector of 4021-, 5-NTC temperature-sensitive electricity
Resistance.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment shown in the embodiment of the present application, to the embodiment shown in the embodiment of the present application
In technical solution be clearly and completely described.
Please refer to Fig. 1 to Fig. 5, a kind of temperature sensor of replaceable NTC thermistor, including substrate 1, circuit layer 2, envelope
Fill layer 3, harness 4 and NTC thermistor 5；It is provided with downward groove on the substrate 1, is set on the side of the groove
It is equipped with card slot 101, NTC placing groove 103, buckle 104 and circuit layer 201 are provided on the bottom surface in the groove；It is described
Circuit layer 2 includes the first conductive sheet 201 and the second conductive sheet 202, and the harness 4 includes that the first conducting wire 401 and second are led
Line 402, one end of first conductive sheet 201 are connect with first conducting wire 401, the other end of first conductive sheet 201
It is connect with one end of the NTC placing groove 103, one end of second conductive sheet 202 is connect with second conducting wire 402, institute
The other end for stating the second conductive sheet 202 is connect with the other end of the NTC placing groove 103；The buckle 104 is connected by a hinge
Above the NTC placing groove 103, for blocking the NTC thermistor prevented in the NTC placing groove 103；The encapsulation
Layer 3 includes layer lid 301, flange 302 and fixture block 303, and the flange 302 is located at the first side of 301 side of layer lid, described
Fixture block 303 is located at second side of 301 side of layer lid, and the flange 302 matches with the card slot 101, the layer lid 301
Just cover the groove of the substrate 1.
The temperature sensor of the replaceable NTC thermistor of the application when in use, is first placed NTC thermistor 5
In NTC placing groove 103, NTC thermistor 5 is clamped in NTC placing groove 103 by overturning buckle 104, then first by fixture block
303 are inserted in NTC placing groove 103 in preset hole slot, then flange 302 is caught in card slot 101, and the lid of layer lid 301 can be realized
The firmly groove of substrate 1, the as temperature sensor of the NTC thermistor of the application.
Therefore, the temperature sensor of the replaceable NTC thermistor of the application when in use, when NTC thermistor 5 is burnt out
When, as long as taking lower layer's lid 301, buckle 104 is opened, replacement NTC thermistor 5 can be carried out.In addition, the NTC temperature of the application
The parameter values such as sensitivity, the measurement range that sensor can change measurement by replacement NTC thermistor 5 according to application environment,
Therefore it is easy to use.
The encapsulated layer 3 further includes handle 304, and the handle 304 is for removing the institute being buckled on the groove of the substrate 1
State layer lid 301.It is additionally provided with seal groove 102 in the edge of the bottom surface of the groove, the encapsulated layer 3 further includes circle sealing
Item 305；The sealing strip 305 is made of rubber；The sealing strip 305 matches with the seal groove 102.The sealing of the application
Good leakproofness may be implemented in item 305, prevents water, gas etc. from entering in the temperature sensor of replaceable NTC thermistor,
The corrosion resistance for improving the temperature sensor of the replaceable NTC thermistor of the application guarantees to make in harsh environment
With.
The encapsulated layer 3 further includes harness insert port 306, and the harness insert port 306 is located on the sealing strip 305,
The size of the harness insert port 306 is equal to or less than the size of the harness 4, and the harness insert port 306 is for allowing harness 4
By being connected on circuit layer 2.Since sealing strip 305 is made of rubber, sealing strip 305 has certain elasticity, works as line
When the size of beam insert port 306 is equal to or less than the size of harness 4, when harness 4 is inserted into harness insert port 306, it can guarantee
After harness 4 is inserted into, the leakproofness of the temperature sensor of the replaceable NTC thermistor of application is not destroyed.
One end of first conductive sheet 201 is provided with the first shrinkage pool 2011, and one end of first conducting wire 401 is provided with
First connector 4011, first connector 4011 are inserted into first shrinkage pool 2011；The one of second conductive sheet 202
End is provided with the second shrinkage pool 202, and one end of second conducting wire 402 is provided with the second connector 4021, second connector
4021 can be inserted into second shrinkage pool 2021.The first conductive sheet 201 of the application and the second conductive sheet 202 are supported using silver,
The good conductivity of silver, when measurement, error caused by the influence because of conductive material can be preferably minimized by silver, and the ductility of silver is very
It is good, NTC temperature sensor can be allowed to fry batter in a thin layer shape.
The NTC thermistor 5 is patch-type thermistor, single-ended/axial glass envelope type thermistor or epoxy type temperature-sensitive
One kind of resistance.Furthermore patch-type thermistor is that SMT patch-type can make the NTC temperature sensor thickness asked in itself more
It is thin, so that the reaction speed of NTC temperature sensor is faster sensitiveer when measuring temperature, it is convenient for measuring.
The harness 4 is connect by soldering with pcb board.The harness 4 of the application can pass through the first connector 4011 and institute
State that the first shrinkage pool 2011 is used cooperatively and second connector 4021 is used cooperatively with second shrinkage pool 2021, from base
It is disassembled on piece 1, therefore the other end is welded on pcb board, can also facilitate and take off substrate 1.
The encapsulated layer 3 is made of one kind of epoxide-resin glue, silica gel and ceramics.Epoxide-resin glue, silica gel and
Ceramics have good corrosion resistance, and the NTC temperature sensor service life asked in itself can be improved.
In conclusion the temperature sensor of the replaceable NTC thermistor of the application can carry out replacement NTC thermistor 5.
In addition, the NTC temperature sensor of the application can change the sensitive of measurement by replacement NTC thermistor 5 according to application environment
The parameter values such as degree, measurement range, therefore be easy to use.
Those skilled in the art will readily occur to its of the application after considering specification and practicing application disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the application, these modifications, purposes or
Person's adaptive change follows the general principle of the application and including the undocumented common knowledge in the art of the application
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the application are by following
Claim is pointed out.
It should be understood that the application is not limited to the precise structure that has been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.Scope of the present application is only limited by the accompanying claims.
Claims (8)
1. a kind of temperature sensor of replaceable NTC thermistor, which is characterized in that including substrate (1), circuit layer (2), encapsulation
Layer (3), harness (4) and NTC thermistor (5)；
It is provided with downward groove on the substrate (1), card slot (101) are provided on the side of the groove, described recessed
NTC placing groove (103), buckle (104) and circuit layer (201) are provided on bottom surface in slot；
The circuit layer (2) includes the first conductive sheet (201) and the second conductive sheet (202), and the harness (4) is led including first
Line (401) and the second conducting wire (402), one end of first conductive sheet (201) are connect with first conducting wire (401), institute
The other end for stating the first conductive sheet (201) is connect with one end of the NTC placing groove (103), second conductive sheet (202)
One end is connect with second conducting wire (402), the other end of second conductive sheet (202) and the NTC placing groove (103)
Other end connection；
The buckle (104) is connected by a hinge above the NTC placing groove (103), prevents from putting in the NTC for blocking
Set the NTC thermistor in slot (103)；
The encapsulated layer (3) includes layer lid (301), flange (302) and fixture block (303), and the flange (302) is located at the layer
First side of (301) side is covered, the fixture block (303) is located at second side of layer lid (301) side, the flange (302)
Match with the card slot (101),
The layer lid (301) just covers the groove of the substrate (1).
2. the temperature sensor of replaceable NTC thermistor according to claim 1, which is characterized in that the encapsulated layer (3) is also wrapped
It includes handle (304), the handle (304) is used to remove the layer lid (301) on the groove for being buckled in the substrate (1).
3. the temperature sensor of replaceable NTC thermistor according to claim 1, which is characterized in that in the bottom surface of the groove
Edge be additionally provided with seal groove (102), the encapsulated layer (3) further includes a circle sealing strip (305)；
The sealing strip (305) is made of rubber；
The sealing strip (305) matches with the seal groove (102).
4. the temperature sensor of replaceable NTC thermistor according to claim 3 any one, which is characterized in that
The encapsulated layer (3) further includes harness insert port (306), and the harness insert port (306) is located at the sealing strip (305)
On, the size of the harness insert port (306) is equal to or less than the size of the harness (4), and the harness insert port (306) is used
In allow harness (4) by being connected on circuit layer (2).
5. the temperature sensor of replaceable NTC thermistor according to claim 1 to 3, which is characterized in that
One end of first conductive sheet (201) is provided with the first shrinkage pool (2011), one end setting of first conducting wire (401)
Have the first connector (4011), first connector (4011) is inserted into first shrinkage pool (2011)；
One end of second conductive sheet (202) is provided with the second shrinkage pool (202), one end setting of second conducting wire (402)
Have the second connector (4021), second connector (4021) can be inserted into second shrinkage pool (2021).
6. the NTC temperature sensor of measurable face temperature according to claim 1 to 3, which is characterized in that
The NTC thermistor (5) is patch-type thermistor, single-ended/axial glass envelope type thermistor or epoxy type temperature-sensitive electricity
One kind of resistance.
7. the NTC temperature sensor of measurable face temperature according to claim 1 to 3, which is characterized in that
The harness (4) is connect by soldering with pcb board.
8. the NTC temperature sensor of measurable face temperature according to claim 1 to 3, which is characterized in that
The encapsulated layer (3) is made of one kind of epoxide-resin glue, silica gel and ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810721412.2A CN109000815A (en) | 2018-07-04 | 2018-07-04 | A kind of temperature sensor of replaceable NTC thermistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810721412.2A CN109000815A (en) | 2018-07-04 | 2018-07-04 | A kind of temperature sensor of replaceable NTC thermistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109000815A true CN109000815A (en) | 2018-12-14 |
Family
ID=64599812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810721412.2A Pending CN109000815A (en) | 2018-07-04 | 2018-07-04 | A kind of temperature sensor of replaceable NTC thermistor |
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| Country | Link |
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| CN (1) | CN109000815A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092898A (en) * | 2021-03-22 | 2021-07-09 | 神龙汽车有限公司 | EDR system integration parameter input testing device and testing method |
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|---|---|---|---|---|
| JPH11307309A (en) * | 1998-04-17 | 1999-11-05 | Mitsubishi Materials Corp | Chip thermister |
| CN202513115U (en) * | 2012-03-20 | 2012-10-31 | 吉门保险丝制造(厦门)有限公司 | Plug-in type fuse assembly |
| CN103282754A (en) * | 2011-01-07 | 2013-09-04 | 株式会社村田制作所 | Temperature sensor and structure having temperature sensor attached thereto |
| CN204101208U (en) * | 2014-10-15 | 2015-01-14 | 周雷娟 | Grill pan temperature detection device, grill pan and temperature detecting element |
| CN205861237U (en) * | 2016-06-12 | 2017-01-04 | 东莞市仙桥电子科技有限公司 | New temperature sensor |
| CN106644141A (en) * | 2016-10-27 | 2017-05-10 | 孝感华工高理电子有限公司 | Button-type temperature-sensitive probe |
-
2018
- 2018-07-04 CN CN201810721412.2A patent/CN109000815A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11307309A (en) * | 1998-04-17 | 1999-11-05 | Mitsubishi Materials Corp | Chip thermister |
| CN103282754A (en) * | 2011-01-07 | 2013-09-04 | 株式会社村田制作所 | Temperature sensor and structure having temperature sensor attached thereto |
| CN202513115U (en) * | 2012-03-20 | 2012-10-31 | 吉门保险丝制造(厦门)有限公司 | Plug-in type fuse assembly |
| CN204101208U (en) * | 2014-10-15 | 2015-01-14 | 周雷娟 | Grill pan temperature detection device, grill pan and temperature detecting element |
| CN205861237U (en) * | 2016-06-12 | 2017-01-04 | 东莞市仙桥电子科技有限公司 | New temperature sensor |
| CN106644141A (en) * | 2016-10-27 | 2017-05-10 | 孝感华工高理电子有限公司 | Button-type temperature-sensitive probe |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092898A (en) * | 2021-03-22 | 2021-07-09 | 神龙汽车有限公司 | EDR system integration parameter input testing device and testing method |
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Application publication date: 20181214 |
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