CN207147642U - A kind of short slotting deep temperature sensor - Google Patents
A kind of short slotting deep temperature sensor Download PDFInfo
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- CN207147642U CN207147642U CN201721132717.7U CN201721132717U CN207147642U CN 207147642 U CN207147642 U CN 207147642U CN 201721132717 U CN201721132717 U CN 201721132717U CN 207147642 U CN207147642 U CN 207147642U
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- temperature
- protection pipe
- transducer
- shell
- sleeve pipe
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Abstract
The utility model discloses a kind of short slotting deep temperature sensor, including：Temperature element, the protection pipe of one end open, process connector, shell of transducer, temperature transmitter and electrical fitting for process connection; temperature element, which is placed in protection pipe, is used for measurement temperature; process connector includes sleeve pipe, the first collar flange on sleeve pipe front inner diameter wall and the second collar flange on sleeve pipe front end external diameter wall; sleeve pipe is enclosed in protection pipe and the end of sleeve pipe and shell of transducer is welded and fixed; first collar flange is welded and fixed with protection pipe outer wall, and closed cavity is formed between protection pipe and casing inner diameter.Temperature sensor of the present utility model forms airtight cavity by process connector has the heat absorption that reduction process connector and housing carry out to protection pipe; prevent the heat diffusion inside protection pipe; actual temperature is effectively acted on temperature element, ensure that the temperature measurement accuracy of sensor.
Description
Technical field
A kind of sensor is the utility model is related to, more particularly to a kind of there is short slotting deep temperature sensor.
Background technology
Usually require to enter trip temperature to its production process in process of production for industries such as food, health care, pharmacy
Control, in temperature controlled processes, the ratio that temperature sensor is commonly inserted is shallower, while needs to require its temperature survey again ratio
It is more accurate.Existing temperature sensor is typically directly fixedly connected by process connector with test system, is placed in TEMP
Temperature element in device protection pipe exports the temperature measured by wire.
However, existing short slotting deep temperature sensor is because its protection pipe and process connector are directly connected to, and protect
Pipe is inserted deep smaller so that in protection pipe insertion test system, partial heat can be delivered to and treated by sensor by protection pipe
Survey in device case and process connection, cause the temperature that temperature element measures in protection pipe inaccurate, easily cause product matter
Amount declines.
Utility model content
The utility model proposes a kind of short slotting deep temperature sensor for problem above, and it can efficiently reduce temperature biography
Sensor is due to thermometric in protection pipe caused by the conductive force of protection pipe and the collection fuel factor of process connector above section
The problem of element temperature-sensitive inaccuracy.
The technological means that the utility model uses is as follows：
A kind of short slotting deep temperature sensor, including：Temperature element, the protection pipe of one end open, the mistake for process connection
Journey connector, shell of transducer, temperature transmitter and electrical fitting；The shell of transducer is sleeve-like configuration, described
The bottom of shell of transducer has through hole, and the temperature transmitter is placed in the transmitter enclosure body, and the temperature element is placed in
It is used for measurement temperature in the protection pipe, the temperature element is electrically connected by wire with the temperature transmitter, the protection
The openend of pipe is fixedly connected on the bottom of the shell of transducer, the upper end of the shell of transducer and the electrical fitting
Connection, before the process connector includes sleeve pipe, the first collar flange on described sleeve pipe front inner diameter wall and described sleeve pipe
The second collar flange in outside diameter wall is held, described sleeve pipe is enclosed in the protection pipe and described sleeve pipe and the shell of transducer
End be welded and fixed, first collar flange with it is described protection pipe outer wall be welded and fixed, the protection pipe and described sleeve pipe
Closed cavity is formed between internal diameter；
Further, the temperature transmitter housing forward end has an annular boss, the internal diameter of the annular boss with it is described
The external diameter of protection pipe is engaged, and the external diameter of the annular boss is engaged with the internal diameter of the sleeve pipe of the process connector, described
Protection pipe is inserted in the internal diameter of the annular boss and is welded and fixed, and it is convex that the sleeve pipe of the process connector is inserted in the ring-type
It is welded and fixed on the external diameter of platform and with the shell of transducer；
Further, the electrical fitting is aviation connector, and the aviation connector includes inside and carries pin junction
The socket of structure and the plug that can be connected with the socket electrical, the socket are fixedly connected and described with the shell of transducer
Contact pin in socket electrically connects with the temperature transmitter, and the plug of the aviation connector is used to be connected with the external world and exports survey
The temperature information obtained；
Further, the socket of the aviation connector is welded and fixed with the shell of transducer, the lower end of the socket
Scribble marine glue to be used to seal the temperature transmitter, it is O-shaped positioned at the marine glue top to be provided with second in the socket
Circle；
Further, the temperature element is RTD chip, the pin of the RTD chip be cased with earthenware and with
Wire connects, and pin and the connecting position of wires of the RTD chip are cased with heat-shrink tube, the RTD chip, the earthenware
And the end for the wire being connected with the pin of the RTD chip is cased with heat-shrink tube；
Further, it is injected with heat-conducting medium between the protection pipe and the temperature element；
Further, also there is O-ring holding tank, the O-ring holding tank on the lower surface of second collar flange
It is built-in with the first O-ring.
Compared with the prior art, short slotting deep temperature sensor described in the utility model has the advantages that：1st, it is warm
The process connector of degree sensor uses sleeve structure, and airtight cavity is formed between sleeve pipe and protection pipe, and airtight cavity has resistance
Only heat is directly radiated the external world or is transmitted on test system housing by protection pipe, ensure that the accuracy of temperature survey；2、
There is the first collar flange, protection pipe is connected by the first collar flange with process on the sleeve pipe front inner diameter wall of process connector
Part is welded and fixed, that is, is added the bonding strength of protection pipe and process connector while can be reduced protection pipe and process connector
Between heat transfer, ensure the accuracy of thermometric；3rd, shell of transducer front end has annular boss, and the internal diameter of annular boss
It is engaged with protection pipe, external diameter is engaged with the casing inner diameter of process connector, is easy to protection pipe coaxially to be protected with shell of transducer
The accuracy of measurement temperature is demonstrate,proved, while also allows for protection pipe and process connector being fitted and fixed on shell of transducer； 4、
Electrical connector uses aviation connector structure, is easily installed and connects, while can reduce installing space；5th, using waterproof
Glue and the second O-ring are sealed, and ensure that the water resistance of temperature sensor；6th, injection is led between protection pipe and temperature element
Thermal medium, the heat transfer between protection pipe and thermometric chip is added, improve the response time；7th, the lower surface of process connector is put
There is O-ring, can will be sealed between temperature sensor and test system, further avoid the heat in test system from dissipating
Lose.
Brief description of the drawings
Fig. 1 is the structural representation of short slotting deep sensor of the present utility model；
Fig. 2 is the internal structure schematic diagram of short slotting deep sensor of the present utility model；
Fig. 3 is the top view of socket in electrical connector in short slotting deep sensor of the present utility model；
Fig. 4 is the pin wiring diagram of temperature element in short slotting deep sensor of the present utility model；
Fig. 5 is shell of transducer sectional view in short slotting deep sensor of the present utility model；
The half sectional view of process connector in Fig. 6 short slotting deep sensors of the present utility model.
In figure：1st, temperature element, 11, earthenware, 12, heat-shrink tube, 2, protection pipe, 3, process connector, 31, sleeve pipe, 32,
First flange, the 33, second flange, the 34, first O-ring, 35, O-ring holding tank, 4, shell of transducer, 41, annular boss, 5,
Temperature transmitter, 6, electrical connector, 61, socket, 62, plug, 611, marine glue, the 612, second O-ring, 7, airtight cavity,
8th, heat-conducting medium, 9, wire.
Embodiment
As shown in figure 1, a kind of short slotting deep temperature sensor disclosed in the utility model, including：Temperature element 1, one end are opened
The protection pipe 2 of mouth, process connector 3, shell of transducer 4, temperature transmitter 5 and electrical fitting 6 for process connection,
Shell of transducer 4 is sleeve-like configuration, and the bottom of shell of transducer 4 has through hole, and temperature transmitter 5 is placed in shell of transducer 4
Interior, temperature element 1, which is placed in protection pipe 2, is used for measurement temperature, and temperature element 1 is electrically connected by wire 9 with temperature transmitter 5,
Temperature transmitter 5 is exported after the resistance signal of temperature element 1 is converted into current signal, and the openend of protection pipe 2 is fixedly connected
(welding or threaded connection) is connected in the bottom of shell of transducer 4, the upper end of shell of transducer 4 with electrical fitting 6, and process connects
Fitting 3 includes the on sleeve pipe 31, the first collar flange 32 on the front inner diameter wall of sleeve pipe 31 and the front end external diameter wall of sleeve pipe 31
Two collar flanges 33, sleeve pipe 31 is enclosed in protection pipe 2 and the end of sleeve pipe 31 and shell of transducer 4 is welded and fixed, the first ring
Shape flange 32 is welded and fixed with the outer wall of protection pipe 2, and closed cavity 7 is formed between protection pipe 2 and the internal diameter of sleeve pipe 31.In TEMP
During device use, the second collar flange 33 of process connector 3 is welded and fixed with test system to be connected, before process connector 3
The protection pipe 2 at end is inserted in test system, and due to forming airtight cavity 7 between protection pipe 2 and sleeve pipe 31, airtight cavity 7 prevents
Therefore protection pipe 2 has preferable heat insulating function with extraneous cross-ventilation, reduce the heat caused by protection pipe 2 and damage
Consumption, ensure that the thermometric accuracy of temperature element 1 in protection pipe 2.As shown in Fig. 1 and Fig. 6, the first collar flange 32 have compared with
Small thickness, it is possible to reduce protection pipe 2 is delivered to the heat on sleeve pipe 31 by the first collar flange 32, ensures the accurate of thermometric
Property.Simultaneously because protection pipe 2 is welded by the first collar flange 32 with process connector 3, the first collar flange 32 plays welding stage
Effect, add the bonding strength between protection pipe 2 and process connector 3, ensure that the service life of temperature sensor.Cross
Journey connector 3 can use the second collar flange 33 in the present invention to be welded with test system with test system attachment structure,
Other conventional connected modes, such as flange connection or threaded connection can be used, using sleeve pipe 31, set when flange or threaded connection
The structure of the first collar flange 32 on the front inner diameter wall of pipe 31 is constant, and the second collar flange 33 only is changed into flange or screw thread knot
Structure.
Further, as shown in Figure 1 and Figure 5, the front end of shell of transducer 4 has an annular boss 41, annular boss 41 it is interior
Footpath is engaged with the external diameter of protection pipe 2, and the external diameter of annular boss 41 is engaged with the internal diameter of sleeve pipe 31, and protection pipe 2 inserts ring-type
In the internal diameter of boss 41 and be welded and fixed, sleeve pipe 31 be inserted on the external diameter of annular boss 41 and with the end of shell of transducer 4
Portion is welded and fixed.Because protection pipe 2 is directly inserted into the internal diameter of annular boss 41 and then is welded and fixed, it is easy to protect
Positioning when pipe 2 welds ensure that bonding strength simultaneously.The major diameter fit of the internal diameter of sleeve pipe 31 and annular boss 41, is both easy to sleeve pipe
Positioning during 31 welding, while make it that the space between protection pipe 2 and sleeve pipe 31 is uniform, ensure heat-proof quality, also enhance weldering
Connect intensity.
As shown in figure 1, the electrical fitting 6 being connected on shell of transducer 4 is aviation connector, aviation connector is inserted
Seat 61 is fixedly connected with shell of transducer 4, and as shown in Figures 2 and 3, socket 61 be contact pin structure, contact pin in socket 61 and warm
Degree transmitter 5 electrically connects, and the plug 62 of aviation connector is used to be connected with the external world and exports the temperature information measured, socket 61 and
Shell of transducer 4 is welded and fixed, and the lower end of socket 61 scribbles marine glue 611 and is used to seal temperature transmitter 5, in socket 61
Second O-ring 612 is installed for the sealing during patching positioned at the top of marine glue 611.Using aviation connector, can subtract
The installing space of small temperature sensor, while convenient rapidly connect plug 62 and socket 61 saves the Connection Time.
Temperature element 1 can be various thermocouple wire or thermometric chips.Preferably, temperature element 1 is RTD chip, such as
Shown in Fig. 2 and Fig. 4, the pin of RTD chip is cased with earthenware 11 and each pin is connected with the both threads core of wire 9 respectively,
Fixed after the other end of wire 9 electrically connects with temperature transmitter 5 and with heat-shrink tube 12, pin and the wire 9 of RTD chip connect
The place of connecing is cased with heat-shrink tube 12, the end sleeve of RTD chip, earthenware 11 and the wire being connected with the pin of RTD chip
There is heat-shrink tube 12, because RTD chip has less volume and higher measurement accuracy, TEMP body can be caused
Product reduces and has higher temperature measurement accuracy.
Further, heat-conducting medium 8 is injected between protection pipe 2 and temperature element 1, is easy to by protection pipe 2 promptly
Communicate the temperature on thermometric chip 1, improve the response time.
Further, as shown in fig. 6, also there is O-ring on the lower surface of the second collar flange 33 of process connector 3
Holding tank 35, when temperature sensor in O-ring holding tank 35 with test system connection procedure, being placed with the first O-ring
34, the first O-ring 34 can be sealed further to test system, avoid the heat in test system from scattering and disappearing.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its inventive concept is subject to equivalent substitution or change, should all cover the scope of protection of the utility model it
It is interior.
Claims (7)
1. a kind of short slotting deep temperature sensor, including：Temperature element (1), one end open protection pipe (2), for process connect
Process connector (3), shell of transducer (4), temperature transmitter (5) and electrical fitting (6)；The shell of transducer
(4) it is sleeve-like configuration, the bottom of the shell of transducer (4) has through hole, and the temperature transmitter (5) is placed in the pick-up
In device housing (4), the temperature element (1), which is placed in the protection pipe (2), is used for measurement temperature, and the temperature element (1) is logical
Cross wire (9) to electrically connect with the temperature transmitter (5), the openend of the protection pipe (2) is fixedly connected on the transmitter
The bottom of housing (4), the upper end of the shell of transducer (4) are connected with the electrical fitting (6), it is characterised in that：It is described
Process connector (3) includes sleeve pipe (31), the first collar flange (32) on described sleeve pipe (31) front inner diameter wall and described
The second collar flange (33) on sleeve pipe (31) front end external diameter wall, described sleeve pipe (31) is enclosed in the protection pipe (2) and institute
The end for stating sleeve pipe (31) and the shell of transducer (4) is welded and fixed, first collar flange (32) and the protection pipe
(2) outer wall is welded and fixed, and closed cavity (7) is formed between the protection pipe (2) and described sleeve pipe (31) internal diameter.
2. short slotting deep temperature sensor according to claim 1, it is characterised in that：Shell of transducer (4) the front end tool
There is annular boss (41), the internal diameter of the annular boss (41) is engaged with the external diameter of the protection pipe (2), the annular boss
(41) external diameter is engaged with the internal diameter of described sleeve pipe (31), and the protection pipe (2) inserts the internal diameter of the annular boss (41)
In and be welded and fixed, described sleeve pipe (31) be inserted on the external diameter of the annular boss (41) and with the shell of transducer
(4) it is welded and fixed.
3. short slotting deep temperature sensor according to claim 1 or 2, it is characterised in that：The electrical fitting (6) is boat
Empty connector, the aviation connector include the internal socket (61) with contact pin structure and can electrically connected with the socket (61)
The plug (62) connect, the socket (61) is fixedly connected with the shell of transducer (4) and the contact pin in the socket (61)
Electrically connected with the temperature transmitter (5), the plug (62) of the aviation connector is used to be connected with the external world and exports what is measured
Temperature information.
4. short slotting deep temperature sensor according to claim 3, it is characterised in that：The socket (61) of the aviation connector
It is welded and fixed with the shell of transducer (4), the lower end of the socket (61) scribbles marine glue (611) and is used to become the temperature
Send device (5) to seal, the second O-ring (612) is installed positioned at the marine glue (611) top in the socket (61).
5. short slotting deep temperature sensor according to claim 4, it is characterised in that：The temperature element (1) is RTD
Chip, the pin of the RTD chip are cased with earthenware (11) and are connected with wire (9), the pin of the RTD chip with
Connecting position of wires is cased with heat-shrink tube (12), the RTD chip, the earthenware (11) and with the RTD chip
The end of the wire of pin connection is cased with heat-shrink tube (12).
6. short slotting deep temperature sensor according to claim 5, it is characterised in that：The protection pipe (2) and the thermometric
Heat-conducting medium (8) is injected between element (1).
7. short slotting deep temperature sensor according to claim 3, it is characterised in that：Under second collar flange (33)
Also there is O-ring holding tank (35), the O-ring holding tank (35) is built-in with the first O-ring (34) on end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132717.7U CN207147642U (en) | 2017-09-05 | 2017-09-05 | A kind of short slotting deep temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721132717.7U CN207147642U (en) | 2017-09-05 | 2017-09-05 | A kind of short slotting deep temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207147642U true CN207147642U (en) | 2018-03-27 |
Family
ID=61677518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721132717.7U Active CN207147642U (en) | 2017-09-05 | 2017-09-05 | A kind of short slotting deep temperature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207147642U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801485A (en) * | 2018-07-25 | 2018-11-13 | 佛山市顺德区美的洗涤电器制造有限公司 | Temperature detector and cooking stove with it |
| CN108801486A (en) * | 2018-07-25 | 2018-11-13 | 佛山市顺德区美的洗涤电器制造有限公司 | Temperature detector and cooking stove with it |
-
2017
- 2017-09-05 CN CN201721132717.7U patent/CN207147642U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801485A (en) * | 2018-07-25 | 2018-11-13 | 佛山市顺德区美的洗涤电器制造有限公司 | Temperature detector and cooking stove with it |
| CN108801486A (en) * | 2018-07-25 | 2018-11-13 | 佛山市顺德区美的洗涤电器制造有限公司 | Temperature detector and cooking stove with it |
| CN108801485B (en) * | 2018-07-25 | 2024-07-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Temperature detector and cooking stove with same |
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