CN206248233U - A kind of quick response thermojunction type temperature transmitter - Google Patents
A kind of quick response thermojunction type temperature transmitter Download PDFInfo
- Publication number
- CN206248233U CN206248233U CN201621240847.8U CN201621240847U CN206248233U CN 206248233 U CN206248233 U CN 206248233U CN 201621240847 U CN201621240847 U CN 201621240847U CN 206248233 U CN206248233 U CN 206248233U
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- hole
- thermocouple
- inner groovy
- groove
- sub
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Abstract
The utility model discloses a kind of quick response thermojunction type temperature transmitter, it is related to the technical field of temperature transmitter, including thermocouple, high-temperature ceramic, shell of transducer, transmission circuit plate and aviation plug, first through hole is provided with high-temperature ceramic, thermocouple probes are through two first through hole on high-temperature ceramic and stretch out；The front end and end of the shell of transducer are respectively arranged with the first inner groovy and the second inner groovy, the second through hole of the first inner groovy of connection and the second inner groovy is provided with the middle part of transmitter, second through hole is matched with thermocouple probes, insert the first inner groovy in high-temperature ceramic one end, thermocouple probes are through the second through hole and extend to the second inner groovy, and sintered glass is filled with the first inner groovy；Thermocouple probes connect and antiexplosion adhesive are filled with the transmission circuit plate, the second inner groovy；Aviation plug is arranged on the open end of the second inner groovy, transmission circuit plate connection aviation plug.The utility model fast response time.
Description
Technical field
The utility model is related to the technical field of temperature transmitter, and in particular to a kind of quick response thermojunction type temperature becomes
Send device.
Background technology
Thermojunction type temperature transmitter is a kind of conventional temperature instrumentation, and its temperature-measurement principle is to be believed temperature by thermocouple
Number thermoelectrical potential signal is converted into, thermoelectrical potential is converted into the electric signal of standard through transmission circuit again.Thermojunction type temperature transmitter has
There are wide simple structure, easily manufactured, measurement range, high precision, inertia small and many advantages, such as output signal is easy to teletransmission, use
It is quite varied.
Thermocouple is typically mounted in protection pipe, surrounding filling Heat Conduction Material, protection pipe tail end embedding fluid sealant.This knot
The temperature transmission of structure first passes through protection pipe, then by Heat Conduction Material, finally reaches thermocouple, exigent to response speed
Occasion (such as laboratory) is cannot to meet demand.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model aims to provide a kind of quick response thermojunction type temperature and becomes
Device, thermocouple probe directly contact medium to be measured is sent to improve response speed.
To achieve the above object, the utility model is adopted the following technical scheme that：
A kind of quick response thermojunction type temperature transmitter, including：
Thermocouple, the thermocouple includes thermocouple probe and two thermocouple probes for being connected thermocouple probe；
High-temperature ceramic, is provided with two for extending along its length and is matched with thermocouple probes on the high-temperature ceramic
First through hole, less than the length of thermocouple probes, two thermocouple probes of thermocouple wear respectively for the length of high-temperature ceramic
Two first through hole crossing on high-temperature ceramic simultaneously stretch out；
Shell of transducer, the front end and end of the shell of transducer are respectively arranged with the first inner groovy and the second inner groovy,
Two the second through holes of the first inner groovy of connection and the second inner groovy, second through hole matching are provided with the middle part of shell of transducer
In thermocouple probes, high-temperature ceramic inserts the first inner groovy, extends from first through hole away from one end of thermocouple probe
The two thermocouple probes ends come are each passed through two the second through holes and extend to the second inner groovy, and the first inner groovy and two the
Filled with the sintered glass for fixing high-temperature ceramic and thermocouple probes in two through holes；
The transmission circuit plate in the second inner groovy is arranged at, two thermocouple probes ends connect the transmission circuit through wire
Filled with the antiexplosion adhesive for sealing shell of transducer in plate, the second inner groovy；
Aviation plug, the aviation plug is arranged on the open end of the second inner groovy, and transmission circuit plate is connected through wire
The aviation plug.
Used as a kind of improvement of the present utility model, the second inner groovy includes that cross-sectional area increases in staged from the inside to the outside
The first sub- groove, the second sub- groove and the 3rd sub- groove：
It is connected on the first sub- bottom portion of groove of the second through hole and is provided with Graphite pad, matching is provided with the Graphite pad
In the third through-hole of thermocouple probes, the two thermocouple probes ends extended out from the second through hole are each passed through two
Three through holes, are provided with screw thread on the side wall of the first sub- groove, a housing pin for being matched with the first sub- groove is installed along the screw thread
Two threeways of connection are provided with the first sub- groove, Graphite pad being fixed on the housing pin of the first sub- bottom portion of groove
The fourth hole in hole, two thermocouple probes through third through-hole are extended in fourth hole, and transmission circuit plate is arranged at the 3rd
On the bottom end face of sub- groove, two thermocouple probes in fourth hole connect transmission circuit plate through wire, and the second son is recessed
Filled with the antiexplosion adhesive for sealing shell of transducer in groove；Aviation plug is arranged on the open end of the 3rd sub- groove.
Used as another improvement of the present utility model, transmission circuit plate is arranged at the bottom of the 3rd sub- groove through two-sided cushion rubber
On end face.
Used as another improvement of the present utility model, aviation plug is arranged at the top end of the 3rd sub- groove through an installing plate
On face, the installing plate is welded on the open end of the 3rd sub- groove.
The beneficial effects of the utility model are：Thermocouple can be directly immersed in Medium Measurement, and medium temperature is directly passed to
Thermocouple, it is to avoid the measurement error that intermediate heat transfer causes, realizes the quick response of temperature survey；Adopt the front end of shell of transducer
Sealing is realized with the mode of glass sintering, prevents testing medium from penetrating into transmitter cavity along electrode direction；After thermocouple probes
Section employs the Graphite pad with good insulative properties as the second seal structures, enhances the security performance of product；
Transmitter inner chamber embedding antiexplosion adhesive, prevents Graphite pad and housing pin from loosening, and play certain sealing function.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference：1st, thermocouple；11st, thermocouple probe；12nd, thermocouple probes；2nd, high-temperature ceramic；3rd, glass is sintered
Glass；4th, shell of transducer；41st, the first inner groovy；42nd, the second inner groovy；43rd, the second through hole；5th, Graphite pad；6th, spiral shell is compressed
Silk；61st, fourth hole；7th, screw thread；8th, antiexplosion adhesive；9th, transmission circuit plate；10th, two-sided cushion rubber；13rd, aviation plug；14th, wire；
15th, installing plate.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the utility model is described further：
As shown in figure 1, a kind of quick response thermojunction type temperature transmitter, including R types thermocouple 1, high-temperature ceramic 2,
Shell of transducer 4, transmission circuit plate 9 and aviation plug 13, R types thermocouple 1 include that thermocouple probe 11 is visited with thermocouple is connected
First 11 two thermocouple probes 12；Two for extending along its length are provided with high-temperature ceramic 2 and are matched with thermocouple
The first through hole (not shown) of electrode 12, the length of the length less than thermocouple probes 12 of high-temperature ceramic 2, R types thermocouple 1
Two first through hole (not shown) that two thermocouple probes 12 are each passed through on high-temperature ceramic 2 simultaneously stretch out；Transmitter
The front end and end of housing 4 are respectively arranged with the first inner groovy 41 and the second inner groovy 42, and the middle part of shell of transducer 4 is provided with
Two the second through holes 43 of the first inner groovy 41 and the second inner groovy 42 are connected, second through hole 43 is matched with thermocouple probes
12, high-temperature ceramic 2 inserts the first inner groovy 41 away from one end of thermocouple probe 11, extends from first through hole (not shown)
The end of two thermocouple probes 12 out is each passed through two the second through holes 43 and extends to the second inner groovy 42, the first inner groovy
41 and two the second through holes 43 in filled with for fixing the sintered glass 3 of high-temperature ceramic 2 and thermocouple probes 12；In second
Groove 42 includes that the first sub- groove (not shown) that cross-sectional area increases in staged from the inside to the outside, the second sub- groove (are not schemed
Show) and the 3rd sub- groove (not shown), it is connected on the first sub- groove (not shown) bottom of the second through hole 43 and is provided with graphite
Pad 5, is provided with the third through-hole (not shown) for being matched with thermocouple probes 12, from the second through hole 43 on the Graphite pad 5
Two ends of thermocouple probes 12 for extending out are each passed through two third through-holes (not shown), the first sub- groove (not shown)
Side wall on be provided with screw thread 7, a housing pin 6 for being matched with the first sub- groove (not shown) is installed on first along the screw thread 7
In sub- groove (not shown), Graphite pad 5 is fixed on the company of being provided with the housing pin 6 of the first sub- groove (not shown) bottom
Lead to two fourth holes 61 of third through-hole (not shown), two thermocouple probes 12 through third through-hole (not shown) are extended to
In fourth hole 61；Transmission circuit plate 9 is arranged on the bottom end face of the 3rd sub- groove (not shown) through two-sided cushion rubber 10, is located at
Two thermocouple probes 12 in fourth hole 61 are through the connection transmission circuit of wire 14 plate 9, filling in the second sub- groove (not shown)
There is the antiexplosion adhesive 8 for sealing shell of transducer 4；Aviation plug 13 is arranged at the 3rd sub- groove (not shown) through an installing plate 15
Open end on, the installing plate 15 is welded on the open end of the 3rd sub- groove (not shown), and transmission circuit plate 9 is through wire
14 connect the aviation plug 13.
When the utility model is used, R types thermocouple 1 measures the temperature of testing medium, produces thermoelectrical potential signal, through overheat
Galvanic couple electrode 12 and wire 14 are sent to transmission circuit plate 9, transmission circuit plate 9 by thermoelectrical potential signal be converted into standard 4~
20mA current signals, export through wire 14 and aviation plug 13.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection of the utility model claim
Within the scope of.
Claims (4)
1. a kind of quick response thermojunction type temperature transmitter, it is characterised in that including：
Thermocouple, the thermocouple includes thermocouple probe and two thermocouple probes for being connected thermocouple probe；
High-temperature ceramic, is provided with two for extending along its length and is matched with thermocouple probes on the high-temperature ceramic
First through hole, the length of the length less than thermocouple probes of high-temperature ceramic, two thermocouple probes of thermocouple are each passed through
Two first through hole on high-temperature ceramic simultaneously stretch out；
Shell of transducer, the front end and end of the shell of transducer are respectively arranged with the first inner groovy and the second inner groovy, become
Two the second through holes that the first inner groovy of connection and the second inner groovy are provided with the middle part of device housing, second through hole are sent to be matched with
Thermocouple probes, high-temperature ceramic inserts the first inner groovy away from one end of thermocouple probe, is extended out from first through hole
Two thermocouple probes ends be each passed through two the second through holes and extend to the second inner groovy, the first inner groovy and two second
Filled with the sintered glass for fixing high-temperature ceramic and thermocouple probes in through hole；
The transmission circuit plate in the second inner groovy is arranged at, two thermocouple probes ends connect the transmission circuit plate through wire,
Filled with the antiexplosion adhesive for sealing shell of transducer in second inner groovy；
Aviation plug, the aviation plug is arranged on the open end of the second inner groovy, and transmission circuit plate connects institute through wire
State aviation plug.
2. quick response thermojunction type temperature transmitter as claimed in claim 1, it is characterised in that the second inner groovy include by
Interior the first sub- groove, the second sub- groove and the 3rd sub- groove increased in staged to external cross section area：
It is connected on the first sub- bottom portion of groove of the second through hole and is provided with Graphite pad, is provided with the Graphite pad and is matched with heat
The third through-hole of galvanic couple electrode, the two thermocouple probes ends extended out from the second through hole are each passed through two threeways
Hole, is provided with screw thread on the side wall of the first sub- groove, a housing pin for being matched with the first sub- groove is installed on along the screw thread
In one sub- groove, Graphite pad is fixed on the housing pin of the first sub- bottom portion of groove and is provided with two third through-holes of connection
Fourth hole, two thermocouple probes through third through-hole are extended in fourth hole, and it is recessed that transmission circuit plate is arranged at the 3rd son
On the bottom end face of groove, two thermocouple probes in fourth hole connect transmission circuit plate through wire, in the second sub- groove
Filled with the antiexplosion adhesive for sealing shell of transducer；Aviation plug is arranged on the open end of the 3rd sub- groove.
3. quick response thermojunction type temperature transmitter as claimed in claim 2, it is characterised in that the transmission circuit plate warp
Two-sided cushion rubber is arranged on the bottom end face of the 3rd sub- groove.
4. quick response thermojunction type temperature transmitter as claimed in claim 2, it is characterised in that the aviation plug is through
Installing plate is arranged on the top end face of the 3rd sub- groove, and the installing plate is welded on the open end of the 3rd sub- groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240847.8U CN206248233U (en) | 2016-11-18 | 2016-11-18 | A kind of quick response thermojunction type temperature transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621240847.8U CN206248233U (en) | 2016-11-18 | 2016-11-18 | A kind of quick response thermojunction type temperature transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206248233U true CN206248233U (en) | 2017-06-13 |
Family
ID=58999531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621240847.8U Expired - Fee Related CN206248233U (en) | 2016-11-18 | 2016-11-18 | A kind of quick response thermojunction type temperature transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206248233U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020333A (en) * | 2017-11-27 | 2018-05-11 | 中国电子科技集团公司第四十八研究所 | A kind of temp probe and assembly method for aircraft |
| CN110455427A (en) * | 2019-09-23 | 2019-11-15 | 中国船舶重工集团公司第七0三研究所 | Non-cooled high temperature galvanic couple rake |
-
2016
- 2016-11-18 CN CN201621240847.8U patent/CN206248233U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020333A (en) * | 2017-11-27 | 2018-05-11 | 中国电子科技集团公司第四十八研究所 | A kind of temp probe and assembly method for aircraft |
| CN110455427A (en) * | 2019-09-23 | 2019-11-15 | 中国船舶重工集团公司第七0三研究所 | Non-cooled high temperature galvanic couple rake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20181118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |