CN208635939U - A kind of refrigerator fast reaction temperature sensor - Google Patents
A kind of refrigerator fast reaction temperature sensor Download PDFInfo
- Publication number
- CN208635939U CN208635939U CN201821202169.5U CN201821202169U CN208635939U CN 208635939 U CN208635939 U CN 208635939U CN 201821202169 U CN201821202169 U CN 201821202169U CN 208635939 U CN208635939 U CN 208635939U
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- protection pipe
- temperature sensor
- reaction temperature
- thermistor
- fast reaction
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Abstract
The utility model relates to a kind of refrigerator fast reaction temperature sensors, including protection pipe and data transfer components, the protection pipe is made using nickel plated copper pipe, its longitudinal section is in U-shape, and the thickness of protection pipe is very thin, greatly shorten reaction time when sensor measures temperature, resistive element is set in the protection pipe, the resistive element includes thermistor and resistance lead, the both ends connection of the thermistor is separately connected two resistance leads, it is fixed respectively with data transfer components at the nozzle of protection pipe after one of resistance lead bending with another resistance lead, the periphery coating insulating layer of the thermistor and two resistance leads, the insulating layer is made using epoxy resin material, with fabulous waterproof performance, the insulating layer, filled layer is set between data transfer components and the protection inside pipe wall, have It is swift in response to temperature change, the characteristics of waterproof performance is excellent, long service life.
Description
Technical field
The utility model belongs to temperature sensor field, relates in particular to a kind of refrigerator fast reaction temperature sensing
Device.
Background technique
Refrigerator and refrigerator-freezer are common household electrical appliance in common people family, and the guarantor to food is realized by the adjusting to temperature
Therefore can fresh and refrigeration accurately adjust fresh-keeping and refrigeration temperature, be concerning food fresh keeping and cold storage quality
Key, temperature sensor are temperature sense component important in refrigerator and refrigerator-freezer, existing temperature sensor thermometric reaction speed
Slowly, design requirement cannot be reached, therefore, it is that we need to solve that can temperature sensor, which quickly accurate reaction temperature change,
The problem of.
Utility model content
For various deficiencies of the prior art, it is proposed that a kind of refrigerator fast reaction temperature sensor, it can be quick
React the variation of refrigerator and refrigerator-freezer internal temperature.
To achieve the above object, the utility model provides the following technical solutions:
A kind of refrigerator fast reaction temperature sensor, including protection pipe and data transfer components, the protection pipe are indulged
Section is in U-shape, and resistive element is arranged in the protection pipe, and the resistive element includes thermistor and resistance lead, described
The both ends of thermistor are connected separately with resistance lead, are located therein after the resistance lead bending of one end and are located at the electricity of the other end
It is parallel to hinder lead, and resistance lead is connect with data transfer components respectively, the periphery of the thermistor and resistance lead
It is coated with insulating layer, filled layer is set between the insulating layer, data transfer components and the inner wall of the protection pipe.
Further, the diameter of the protection pipe is 4~6mm, and length is 20~35mm, with a thickness of 0.15~0.22mm, institute
Protection pipe is stated to be made using nickel plated copper pipe material.
Further, the length of the resistive element is set as 10~20mm.
Further, the thermistor seals thermistor using axial glass.
Further, the insulating layer is made by epoxy resin material.
Further, the data transfer components use PVC electric wire.
Further, the resistance lead is welded and fixed with the data transfer components.
Further, the filled layer uses casting resin, is filled simultaneously between insulating layer and the inner wall of protection pipe
To being sealed at the nozzle of protection pipe.
The beneficial effects of the utility model are:
1, protection pipe is made using nickel plated copper pipe material, and copper pipe is effectively prevent to corrode, and greatly improve copper pipe uses the longevity
Life, meanwhile, the longitudinal section of protection pipe is in U-shape, and the thickness of protection pipe is very thin, anti-when greatly shortening sensor measures temperature
Between seasonable.
2, prevent steam from penetrating into inside it with being tightly combined for resistance lead using axial glass envelope thermistor, and
Its precision is high, and temperature measurement error is small.
3, insulating layer is made by epoxy resin material, and it is with fabulous waterproof performance, in the standard for guaranteeing data transmission
Under the premise of true property, the service life of the resistive element is greatly extended.
4, data transfer components use PVC electric wire, and the PVC electric wire resistance to low temperature is good, can be good in low temperature
Under work long hours.
5, filled layer is set between insulating layer and protection pipe, the filled layer is made using casting resin, and thermal conductivity is fast,
It makes a response rapidly conducive to temperature sensor to temperature.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In attached drawing: 1- protection pipe, 2- resistance lead, 3- resistance, 4- insulating layer, 5- filled layer, 6- data transfer components.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below with reference to the utility model
Attached drawing carries out clear, complete description to the technical solution of the utility model, and based on the embodiment in the application, this field is general
Logical technical staff other similar embodiments obtained without making creative work, all should belong to the application
The range of protection.In addition, the direction word mentioned in following embodiment, such as "upper" "lower" " left side " " right side " etc. are only with reference to attached drawing
Direction, therefore, the direction word used is for illustrative and not limiting the invention.
The utility model is described in further detail with preferred embodiment with reference to the accompanying drawing.
Embodiment one:
As shown in Figure 1, a kind of refrigerator fast reaction temperature sensor, including protection pipe 1 and data transfer components 6, institute
The longitudinal section for stating protection pipe 1 is in U-shape, a diameter of 4~6mm, and length is 20~35mm, described with a thickness of 0.15~0.22mm
The inside of protection pipe 1 is equipped with resistive element, and the resistive element includes thermistor 3 and resistance lead 2, the thermistor
3 both ends are separately connected resistance lead 2, equal with the resistance lead 2 of the other end after a resistance lead 2 bending of one end
Row, meanwhile, the length of the resistive element is set as 10~20mm, and in the present embodiment, the length of resistive element is 13mm, together
When, two resistance leads 2 are welded and fixed with two data transfer components 6 respectively at the nozzle of the protection pipe 1.As excellent
Choosing, the data transfer components 6 use PVC electric wire, and the PVC electric wire resistance to low temperature is good, can be good at low temperature
It works long hours, and can effectively prevent two data transfer components, 6 short circuit.The thermistor 3 and two resistance leads 2 it is outer
Coating insulating layer 4 is enclosed, the insulating layer 4 is made by epoxy resin material, will be between two resistance leads 2 and thermistor 3
It is effectively insulated between the inner wall of protection pipe 1, and it is guaranteeing the accurate of data transmission with fabulous waterproof performance
Under the premise of property, the service life of the resistive element is greatly extended.To guarantee that packaging effect, epoxy resin wrap up resistance member
The maximum gauge of part is 3.5mm, and length is 16~19mm.Meanwhile filled layer is set between the insulating layer 4 and protection pipe 1
5, the filled layer 5 is made by casting resin, to being filled between insulating layer 4 and the inner wall of protection pipe 1 and to protection pipe 1
Nozzle at be sealed, the thermal conductivity of the casting resin is fast, and it is be bonded with the protection pipe 1 securely, can effectively fix
Insulating layer 4.
In the present embodiment, the protection pipe 1 is made using nickel plated copper pipe material, and this material is to sensor thermometric speed
Influence it is smaller, effectively prevent copper pipe to corrode after copper pipe nickel plating, greatly improve the service life of copper pipe, meanwhile, preferably,
The diameter of the protection pipe 1 is 4.5mm, and length 25mm, with a thickness of 0.15~0.22mm, thickness is very thin, greatly shortens
The reaction time of sensor measures temperature, the thermistor 3 use resistance accuracy for 1%, 0.3 DEG C of temperature measurement error of axial glass
Seal thermistor prevents steam from penetrating into inside it with being tightly combined for resistance lead 2, and its precision is high, temperature measurement error
It is small.
The fast reaction temperature sensor is mounted in refrigerator, since the thickness of protection pipe 1 is very thin, can quickly by
Temperature change is transferred to thermistor 3 by filled layer 5, and the resistance value variation with temperature of the thermistor 3 changes rapidly, and
Cause to change by the electric current of the sensor, the refrigeration system being connected from sensor its power under different current strength
Equal generations change accordingly, to achieve the purpose that adjust the temperature of refrigerator.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and
, when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to this
In utility model covering scope.
Claims (8)
1. a kind of refrigerator fast reaction temperature sensor, including protection pipe and data transfer components, it is characterised in that: the guarantor
The longitudinal section of pillar is in U-shape, and resistive element is arranged in the protection pipe, and the resistive element includes that thermistor and resistance draw
The both ends of line, the thermistor are connected separately with resistance lead, are located therein after the resistance lead bending of one end and are located at another
The resistance lead of one end is parallel, and resistance lead is connect with data transfer components respectively, and the thermistor and resistance draw
The periphery coating insulating layer of line, is arranged filled layer between the insulating layer, data transfer components and the inner wall of the protection pipe.
2. a kind of refrigerator fast reaction temperature sensor according to claim 1, it is characterised in that: the protection pipe
Diameter is 4~6mm, and length is 20~35mm, and with a thickness of 0.15~0.22mm, the protection pipe uses nickel plated copper pipe material system
?.
3. a kind of refrigerator fast reaction temperature sensor according to claim 1, it is characterised in that: the resistive element
Length be set as 10~20mm.
4. a kind of refrigerator fast reaction temperature sensor according to claim 1, it is characterised in that: the thermistor
Thermistor is sealed using axial glass.
5. a kind of refrigerator fast reaction temperature sensor according to claim 1, it is characterised in that: the insulating layer by
Epoxy resin material is made.
6. a kind of refrigerator fast reaction temperature sensor according to claim 1, it is characterised in that: the data transmission
Component uses PVC electric wire.
7. a kind of refrigerator fast reaction temperature sensor according to claim 5, it is characterised in that: the resistance lead
It is welded and fixed with the data transfer components.
8. -7 any a kind of refrigerator fast reaction temperature sensor according to claim 1, it is characterised in that: described to fill out
Fill layer using casting resin, to be filled between insulating layer and the inner wall of protection pipe and to being carried out at the nozzle of protection pipe it is close
Envelope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202169.5U CN208635939U (en) | 2018-07-27 | 2018-07-27 | A kind of refrigerator fast reaction temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821202169.5U CN208635939U (en) | 2018-07-27 | 2018-07-27 | A kind of refrigerator fast reaction temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208635939U true CN208635939U (en) | 2019-03-22 |
Family
ID=65739395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821202169.5U Active CN208635939U (en) | 2018-07-27 | 2018-07-27 | A kind of refrigerator fast reaction temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208635939U (en) |
-
2018
- 2018-07-27 CN CN201821202169.5U patent/CN208635939U/en active Active
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