CN206114139U - Temperature -sensing probe - Google Patents
Temperature -sensing probe Download PDFInfo
- Publication number
- CN206114139U CN206114139U CN201621103591.6U CN201621103591U CN206114139U CN 206114139 U CN206114139 U CN 206114139U CN 201621103591 U CN201621103591 U CN 201621103591U CN 206114139 U CN206114139 U CN 206114139U
- Authority
- CN
- China
- Prior art keywords
- temperature
- sensing probe
- protective housing
- fixing shell
- outside
- 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.)
- Active
Links
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model relates to a temperature -sensing probe, including the temperature sensing unit, the temperature sensing unit include thermistor and with the connectiong lead that thermistor connects, connectiong lead is connected with electric wire conductor's one end, connectiong lead with electric wire conductor's junction from interior to exterior seal cover in proper order is equipped with heat shrinkage bush and hot melt sleeve pipe. Through heat shrinkage bush and hot melt sheathed tube multi -layer protection, the insulating weather resistance of this temperature sensing unit is ensured to abundant protective bonding lead wire and electric wire conductor's tie point, can be durable for a long time.
Description
Technical field
This utility model is related to a kind of temperature-sensing probe, more particularly to a kind of quick sensing temperature of vehicle-mounted container is visited with temperature-sensitive
Head.
Background technology
At present, vehicle-mounted container is the good tool for being convenient for people to be capable of convenient, quick storage transport gourmet food, and which is led
If the temperature during electrical heating being carried out sensing, being fed back and process control by temperature probe, so that it is guaranteed that food is in fortune
Keep food appearance, taste etc. to reach the state of anticipation during sending, therefore temperature-sensing probe is the critical component of whole equipment.
Temperature-sensing probe, to sealing the sensing speed of temperature in heat transfer process, levels of precision, easy to use etc., is to evaluate
Key point.But the temperature-sensing probe sealing for adopting at present is poor, normal use and the thermometric accuracy of temperature-sensing probe are affected；One
Trouble is changed after the failure of denier critesistor.In addition, the probe of the application of routine, by the way of multiple spot fixes contact
Temperature-sensitive, then collects and is controlled, and each critesistor process reaction time, temperature are inconsistent so that affect during thermometric because
Element increases, and causes temperature sensor sensitivity not good.
Utility model content
This utility model embodiment is related to a kind of temperature-sensing probe, can at least solve the segmental defect of prior art.
This utility model embodiment is related to a kind of temperature-sensing probe, including temperature-sensitive unit, and the temperature-sensitive unit includes temperature-sensitive electricity
Resistance and the connecting lead wire being connected with the critesistor, the connecting lead wire are connected with one end of wire conductor, and the connection is drawn
Line is sealed successively with the junction of the wire conductor from the inside to the outside and is arranged with heat-shrinkable T bush and hot melt sleeve pipe.
Used as one of embodiment, the hot melt sleeve pipe is contained in a protective housing, and the temperature-sensitive unit passes through the guarantor
The bottom of protective case body and the critesistor are located on the outside of the protective housing, and the wire conductor other end extend out to the guarantor
Outside the top of protective case body, the filling epoxy resin in the inner chamber of the protective housing.
As one of embodiment, the equal encapsulation process in two ends of the protective housing.
Used as one of embodiment, the temperature-sensing probe also includes a seal casinghousing, and the seal casinghousing injection is coated on institute
State outside protective housing；The critesistor is located on the outside of the seal casinghousing, and the wire conductor other end extend out to described close
Outside envelope housing tip.
Used as one of embodiment, the wire conductor other end is connected with compound end subgroup, the wire conductor with it is described
Compound end subgroup junction encapsulation process.
Used as one of embodiment, the temperature-sensing probe also includes plug casing, and the plug casing injection is coated on described
Compound end subgroup is peripheral and the wire conductor and the compound end subgroup junction, the plug casing and the composite terminal
Group constitutes an injection plug.
Used as one of embodiment, the temperature-sensing probe also includes the snap ring lid of annular, and the snap ring lid is connected in the note
Mould on plug, and the protection chamber of a top end opening is surrounded with the plug casing, the inserted terminal of the injection plug is contained in institute
State protection intracavity.
Used as one of embodiment, the temperature-sensitive unit includes fixing shell, and the fixing shell is arranged in the containment vessel
On body；The critesistor is coated with epoxy resin and forms an encapsulating head, and the encapsulating head is contained in the fixing shell
And arrange near the bottom of the fixing shell inner chamber, the filling epoxy resin in the inner chamber of the fixing shell；The connection
Lead is drawn and is extend out to outside the fixing shell from the encapsulating head.
As one of embodiment, radially cambered outwards positioning retainer ring, the positioning in the fixing shell, are provided with
Back-up ring bottom is posted by the bottom of the protective housing inner chamber.
As one of embodiment, the distance between described encapsulating head and described fixing shell inner chamber bottom≤10mm.
This utility model embodiment at least has the advantages that：Prevented by multilamellar of the heat-shrinkable T bush with hot melt sleeve pipe
Shield, adequately protect connecting lead wire and the junction point of wire conductor, it is ensured that the insulation weather resistance of the temperature-sensitive unit, can be resistance to for a long time
With.
Description of the drawings
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise for not paying creative work
Under, can be with according to these other accompanying drawings of accompanying drawings acquisition.
The structural representation of the encapsulating head that Fig. 1 is provided for this utility model embodiment；
The structural representation of the temperature-sensitive unit that Fig. 2 is provided for this utility model embodiment；
Heat-shrinkable T bush, hot melt sleeve pipe and protective housing are arranged outside the temperature-sensitive unit that Fig. 3 is provided for this utility model embodiment
Structural representation；
The structural representation of the temperature-sensing probe that Fig. 4 is provided for this utility model embodiment；
The decomposition texture schematic diagram of the temperature-sensing probe that Fig. 5 is provided for this utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment for being obtained, belongs to the scope of this utility model protection.
Such as Fig. 1, this utility model embodiment provide a kind of encapsulating 101, including critesistor 1011, the critesistor
1011 are connected with a connecting lead wire 102, connect preferably by the mode of resistance welding, and coat epoxy resin 9 in junction,
Usually, in critesistor 1011 is coated on by the part epoxy 9, epoxy resin 9 forms the encapsulating of hardening after solidifying
101, connecting lead wire 102 is drawn from epoxy resin 9.Compared to existing 1011 fixed form of glass bulb formula critesistor, pass through
Epoxy resin 9 is directly coated critesistor 1011, critesistor 1011 can be effectively reduced and taken up space.
Such as Fig. 2-Fig. 3, this utility model embodiment provides a kind of temperature-sensitive unit 1, it include critesistor 1011 and with institute
The connecting lead wire 102 of the connection of critesistor 1011 is stated, the connecting lead wire 102 is connected with one end of wire conductor 5, the connection
Lead 102 is sealed successively with the junction of the wire conductor 5 from the inside to the outside and is arranged with heat-shrinkable T bush 2 and hot melt sleeve pipe 3.Its
In, the temperature-sensitive unit 1 preferably comprises above-mentioned encapsulating 101；Connecting lead wire 102 is preferred with the connected mode of wire conductor 5
Crimp for electric discharge, and form a junction point.It is sheathed at the junction point by heat-shrinkable T bush 2, junction point is shunk and is coated；Lead to again
Cross hot melt sleeve pipe 3 to be sheathed on outside the heat-shrinkable T bush 2, heat-shrinkable T bush 2 is shunk into cladding；Heat-shrinkable T bush 2 and the multilamellar for heating sleeve pipe 3
Protection, adequately protect connecting lead wire 102 and the junction point of wire conductor 5, it is ensured that the insulation weather resistance of the temperature-sensitive unit 1, energy
It is enough long-term durable.
Further, such as Fig. 2, above-mentioned temperature-sensitive unit 1 also includes fixing shell 103, and above-mentioned encapsulating 101 is contained in described
Arrange in fixing shell 103 and near the bottom of 103 inner chamber of the fixing shell, fill out in the inner chamber of the fixing shell 103
Fill epoxy resin 9；The connecting lead wire 102 is drawn and is extend out to outside the fixing shell 103 from the encapsulating 101.Typically
Ground, bottom of the encapsulating 101 the closer to 103 inner chamber of fixing shell, its temperature-sensitive rapidity and accuracy it is higher；With reference to above-mentioned bag
The structure of end socket 101, as its size is less, thus can be making it more likely near the bottom of fixing shell 103 inner chamber；Consider
Situations such as encapsulating 101 is attached to the operating error in fixing shell 103 in actual production, preferably controls the encapsulating head
101 with the distance between 103 inner chamber bottom of the fixing shell≤10mm, it is ensured that the rapidity of temperature conduction, beneficial to it is quick,
Accurate temperature-sensitive.With reference to the structure of above-mentioned encapsulating 101, as its size is less, and encapsulating heads in fixing shell 103, are only laid
101 and connecting lead wire 102, thus the external diameter of fixing shell 103 can be effectively reduced, beneficial to temperature conduction；In the present embodiment, this is solid
The external diameter for determining shell 103 is 2.5mm or so.
For above-mentioned employing heat-shrinkable T bush 2 and the structure of hot melt sleeve pipe 3, such as Fig. 3, above-mentioned heat-shrinkable T bush 2 are sheathed on connection
Outside the junction point of lead 102 and wire conductor 5, above-mentioned hot melt sleeve pipe 3 is sheathed on outside heat-shrinkable T bush 2 and its one end extension is set in
The top of above-mentioned fixing shell 103, its other end extension are set in outside said wires conductor 5, preferably to protect connecting lead wire
102 with the junction point of wire conductor 5.
Further, such as Fig. 3, the hot melt sleeve pipe 3 is contained in a protective housing 4, and the temperature-sensitive unit 1 passes through described
The bottom of protective housing 4 outside the critesistor 1011 is exposed to the protective housing 4, the wire conductor 5 is another
End is extend out to outside the top of the protective housing 4, the filling epoxy resin 9 in the inner chamber of the protective housing 4.By the guarantor
Protective case body 4 further protects the junction point of connecting lead wire 102 and wire conductor 5.Wherein, in the bottom and top of the protective housing 4
End offers port respectively, and the fixing shell 103 of above-mentioned temperature-sensitive unit 1 is arranged on the port of bottom, and wire conductor 5 is then worn
It is located on the port on top；Filling epoxy resin 9 solidifies in the protective housing 4, will be hot melt sleeve pipe 3, fixing shell 103 etc. solid
It is scheduled in the protective housing 4, it is ensured that the stability of structure, and there is preferable sealing.It is preferred as one kind of the present embodiment
Structure, such as Fig. 3, are provided with radially outwardly positioning retainer ring 104, the positioning retainer ring in the fixing shell 103
104 bottoms are posted by the bottom of 4 inner chamber of the protective housing；Above-mentioned positioning retainer ring 104 on the one hand ensure fixing shell 103 with
Protective housing 4 wears the stability of structure, on the other hand, is easily installed.The positioning retainer ring 104 is near above-mentioned fixing shell 103
Top arrange, it is ensured that the length that fixing shell 103 stretches out protective housing 4 is longer, beneficial to temperature-sensitive.
Further, the equal encapsulation process in the two ends of the protective housing 4, i.e. bottom and top to the protective housing 4
Port encapsulation process, to ensure the sealing for wearing structure of above-mentioned fixing shell 103 and wire conductor 5 and the protective housing 4.
Such as Fig. 4-Fig. 5, concrete structure are as follows：The temperature-sensing probe also includes a seal casinghousing 7, and the injection of the seal casinghousing 7 is coated on
Outside the protective housing 4；The critesistor 1011 is exposed to outside 7 bottom of the seal casinghousing, and the wire conductor 5 is another
End is extend out to outside 7 top of the seal casinghousing.By forming above-mentioned seal casinghousing 7 in the 4 outer injection mo(u)lding of above-mentioned protective housing,
The top of the seal casinghousing 7 can be tightly sleeved with above-mentioned fixing shell 103 and wire conductor 5 respectively with bottom, so as to can be preferable
Above-mentioned fixing shell 103 and wire conductor 5 are sealed with the structure that wears of the protective housing 4；Injection molding is protected
Demonstrate,prove which durable in use, be difficult to release.Above-mentioned seal casinghousing 7 is formed as handle, is easy to operator to grip.
The present embodiment is fully protected by the protection layer by layer of heat-shrinkable T bush 2, hot melt sleeve pipe 3, protective housing 4 and seal casinghousing 7
The junction point of shield connecting lead wire 102 and wire conductor 5, it is ensured that the insulation weather resistance of the temperature-sensitive unit 1, can be durable for a long time.
Continue said structure, and 5 other end of the wire conductor is connected with compound end subgroup 6, the wire conductor 5 with it is described
6 junction encapsulation process of compound end subgroup.Wherein, above-mentioned compound end subgroup 6 includes multiple composite terminals, said wires conductor 5
Preferably adopt with the connected mode of compound end subgroup 6 and crimp mode.At wire conductor 5 and the 6 junction sealing of compound end subgroup
Reason mode is preferably and takes following structure：
As Fig. 4-Fig. 5, the temperature-sensing probe also include plug casing 8, the injection of the plug casing 8 is coated on the electric wire
Conductor 5 is peripheral with 6 junction of compound end subgroup and the compound end subgroup 6, the plug casing 8 and the composite terminal
Group 6 constitutes an injection plug.In the present embodiment, above-mentioned compound end subgroup 6 includes three composite terminals, wherein two composite terminals
It is connected with wire conductor 5, another composite terminal is directly molded inside injection plug.Above-mentioned plug is formed by injection mo(u)lding
Housing 8,8 tight covered electric cable conductor 5 of the plug casing and 6 junction point of compound end subgroup, so as to can be preferably to said wires
Conductor 5 is sealed with the attachment structure of compound end subgroup 6, and injection molding ensures which is durable in use, is difficult to release.
Further, such as Fig. 4-Fig. 5, the temperature-sensing probe also includes the snap ring lid 10 of annular, 10 clamping of snap ring lid
On the injection plug, and the protection chamber of a top end opening is surrounded with the plug casing 8, the inserted terminal of the injection plug
It is contained in the protection intracavity.Injection plug can preferably be protected by the snap ring lid 10, play a part of water proof and dust proof, while
It is easy to the injection plug to dismount.The concrete structure that above-mentioned snap ring lid 10 is connected with injection plug is as follows：
Such as Fig. 4 and Fig. 5, above-mentioned plug casing 8 includes a substantially containing portion in upper coarse and lower fine pyramidal structure, the containing
Upwardly extend after portion covered electric cable conductor 5 and 6 junction point of compound end subgroup, each composite terminal and be coated on outside each composite terminal
Injection molding body protrudes from the containing portion top；Land is protruding with radially near its top in the containing portion, and in the bag
The outer surface in appearance portion is provided with multiple buckles, and each buckle is close to the land and arranges.Above-mentioned 10 top end opening of snap ring lid, bottom pair
A clamping base plate with suit through hole is should be, the containing portion at the aperture of the suit through hole and above-mentioned each buckle position
Diameter is roughly the same, and thickness is then identical with the vertical spacing between above-mentioned each buckle and land, then above-mentioned snap ring lid 10 is inserted from this
When being inserted in below casing 8, above-mentioned clamping base plate can be arranged between above-mentioned each buckle and above-mentioned land, that is, realize snap ring lid 10
With the clamping connecting structure of injection plug.The height of above-mentioned snap ring lid 10 should ensure that and can surround the inserted terminal of the injection plug
In interior, so as to water proof and dust proof can be played a part of.A cannelure is machined between the top in above-mentioned land and containing portion, and at this
One sealing ring 11 of setting-in in cannelure, further improves the sealing of injection plug.
By the protection layer by layer of heat-shrinkable T bush 2, hot melt sleeve pipe 3, protective housing 4 and seal casinghousing 7, the connection that adequately protects is drawn
The junction point of line 102 and wire conductor 5, and wire conductor 5 and compound end subgroup are protected by the plug casing 8 of injection mo(u)lding
6 attachment structure, fully ensures that the sealing and stability in use of this temperature-sensing probe；Temperature-sensitive is directly coated using epoxy resin 9
The structure of resistance 1011 so that this temperature-sensing probe being capable of quick, accurate temperature-sensitive.The temperature-sensing probe that the present embodiment is provided can be used for car
Quick sensing temperature in container is carried, the warming method that traditional multiple spot fixes contact is different from, the present embodiment is only by same
One temperature-sensing probe senses the temperature of various location, it is ensured that the influence factor's concordance in measurement process, is remarkably improved temperature
The accuracy of sensing.For this purpose, can pass through to increase the length of said wires conductor 5, to ensure the motility during temperature sensing,
In the present embodiment, the length of the wire conductor 5 is at 15～17 meters；Certainly, however it is not limited to this, can be carried out according to actually used situation
Select.In addition, the wire conductor 5 has dielectric layers, can prevent electric wire from ftractureing, it is ensured that to set preferably using circular jacket line
Standby normal use.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
Claims (10)
1. a kind of temperature-sensing probe, including temperature-sensitive unit, the temperature-sensitive unit are included critesistor and are connected with the critesistor
Connecting lead wire, the connecting lead wire is connected with one end of wire conductor, it is characterised in that：The connecting lead wire and the electric wire
Sealing is arranged with heat-shrinkable T bush and hot melt sleeve pipe successively from the inside to the outside for the junction of conductor.
2. temperature-sensing probe as claimed in claim 1, it is characterised in that：The hot melt sleeve pipe is contained in a protective housing, institute
State temperature-sensitive unit through the protective housing bottom and the critesistor be located at the protective housing on the outside of, the electric wire is led
The body other end is extend out to outside the top of the protective housing, and epoxy resin is filled with the inner chamber of the protective housing.
3. temperature-sensing probe as claimed in claim 2, it is characterised in that：The equal encapsulation process in two ends of the protective housing.
4. temperature-sensing probe as claimed in claim 3, it is characterised in that：The temperature-sensing probe also includes a seal casinghousing, described
Seal casinghousing injection is coated on outside the protective housing；
The critesistor is located on the outside of the seal casinghousing, and the wire conductor other end extend out to the seal casinghousing top
Outside.
5. the temperature-sensing probe as any one of Claims 1-4, it is characterised in that：The wire conductor other end connection
There are compound end subgroup, the wire conductor and the compound end subgroup junction encapsulation process.
6. temperature-sensing probe as claimed in claim 5, it is characterised in that：The temperature-sensing probe also includes plug casing, described to insert
Casing injection is coated on the wire conductor and the compound end subgroup junction and compound end subgroup periphery, described to insert
Casing constitutes an injection plug with the compound end subgroup.
7. temperature-sensing probe as claimed in claim 6, it is characterised in that：The temperature-sensing probe also includes the snap ring lid of annular, institute
State snap ring lid to be connected on the injection plug, and the protection chamber of a top end opening, the injection are surrounded with the plug casing
The inserted terminal of plug is contained in the protection intracavity.
8. the temperature-sensing probe as any one of claim 2 to 4, it is characterised in that：The temperature-sensitive unit includes fixed outer
Shell, the fixing shell are arranged in the protective housing；
The critesistor is coated with epoxy resin and forms an encapsulating head, and the encapsulating head is contained in the fixing shell simultaneously
Arrange near the bottom of the fixing shell inner chamber, the filling epoxy resin in the inner chamber of the fixing shell；The connection is drawn
Line is drawn and is extend out to outside the fixing shell from the encapsulating head.
9. temperature-sensing probe as claimed in claim 8, it is characterised in that：Radially convex is provided with the fixing shell
Positioning retainer ring, the positioning retainer ring bottom is posted by the bottom of the protective housing inner chamber.
10. temperature-sensing probe as claimed in claim 8, it is characterised in that：The encapsulating head and the fixing shell inner chamber bottom
The distance between≤10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103591.6U CN206114139U (en) | 2016-10-08 | 2016-10-08 | Temperature -sensing probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621103591.6U CN206114139U (en) | 2016-10-08 | 2016-10-08 | Temperature -sensing probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206114139U true CN206114139U (en) | 2017-04-19 |
Family
ID=58528805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621103591.6U Active CN206114139U (en) | 2016-10-08 | 2016-10-08 | Temperature -sensing probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206114139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353001A (en) * | 2016-10-08 | 2017-01-25 | 孝感华工高理电子有限公司 | Temperature-sensing probe |
-
2016
- 2016-10-08 CN CN201621103591.6U patent/CN206114139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106353001A (en) * | 2016-10-08 | 2017-01-25 | 孝感华工高理电子有限公司 | Temperature-sensing probe |
| CN106353001B (en) * | 2016-10-08 | 2019-05-07 | 孝感华工高理电子有限公司 | A kind of temperature-sensing probe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7740403B2 (en) | High-temperature sensor | |
| CN202720070U (en) | High-stability and rapid NTC temperature sensor | |
| CN206114139U (en) | Temperature -sensing probe | |
| CN204855010U (en) | NTC temperature sensor | |
| CN207147642U (en) | A kind of short slotting deep temperature sensor | |
| CN106353001A (en) | Temperature-sensing probe | |
| CN209706975U (en) | A kind of seawater swimming pool water proof type NTC temperature sensor | |
| CN201594018U (en) | Platinum-resistance temperature sensor for alternating-current pulling motor of locomotive | |
| CN204301889U (en) | A kind of buckle structure NTC temperature sensor | |
| KR100464069B1 (en) | Sensor for measuring water temperature | |
| CN102261960B (en) | Temperature sensing device of storage battery and manufacture method thereof | |
| CN210464688U (en) | Temperature sensor | |
| CN211121672U (en) | Waterproof temperature sensor | |
| CN206132261U (en) | Temperature sensor and bread machine | |
| CN103674330A (en) | Thermal current sensor | |
| JP4716713B2 (en) | Temperature sensor and temperature sensor installation device | |
| CN110081994A (en) | A kind of seawater swimming pool water proof type NTC temperature sensor | |
| CN213600238U (en) | Non-grounded temperature sensor | |
| CN212848984U (en) | Elbow type connector for connecting high-voltage cabinet | |
| CN214951839U (en) | Integrated temperature transmitter with packaging structure | |
| CN215677305U (en) | Waterproof packaging structure for high-precision temperature sensor | |
| CN105823568A (en) | Immersion type measuring probe for molten metal | |
| CN214843685U (en) | One-time injection molding multilayer sensor | |
| CN216449049U (en) | High-temperature high-pressure high-sensitivity sleeve injection molding type temperature sensor | |
| CN216645642U (en) | Hidden high accuracy temperature sensor based on multilayer is insulating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |