CN208125288U - A kind of nuclear power multipoint thermocouple - Google Patents
A kind of nuclear power multipoint thermocouple Download PDFInfo
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- CN208125288U CN208125288U CN201721859957.7U CN201721859957U CN208125288U CN 208125288 U CN208125288 U CN 208125288U CN 201721859957 U CN201721859957 U CN 201721859957U CN 208125288 U CN208125288 U CN 208125288U
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- thermocouple
- nuclear power
- multipoint thermocouple
- multipoint
- support rod
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Abstract
The utility model discloses a kind of nuclear power multipoint thermocouples, and its object is to solve：Requirement of the nuclear power temperature measuring equipment to space is relatively high under present situation, every thermocouple location can not be fixed, and thermocouple element can shake when leading to have flow velocity, cause thermometric unstable, then the accuracy of data is influenced, in addition the lead-out wire of thermocouple is chronically exposed to outer the problem of being easily broken off.In order to reach the goals above, the utility model provides the following technical solutions：A kind of nuclear power multipoint thermocouple, the multipoint thermocouple includes thermocouple element, sealing insulator, support rod, the support rod and sealing insulator bottom are welded to connect, the support rod diameter dimension is 3 millimeters, the thermocouple element diameter dimension is 1 millimeter, one end penetrates inside sealing insulator and is drawn out to its bottom along its axis direction, the part of extraction is as thermometric end, the other end penetrates inside sealing insulator and is drawn out to its top along its axis direction, and the part of extraction is as output end.
Description
Technical field
The utility model relates to a kind of thermocouples, relate generally to a kind of nuclear power multipoint thermocouple.
Background technique
Thermocouple is the detecting element in automation process control system, is a kind of Automation Control Instruments.Thermocouple back
Scape principle is pyroelectric effect, and phenomenon is when two kinds of heterogeneity metal endpoints connect to be formed with loop circuit, if between two-end-point
There is temperature difference, then have electric current generation between circuit, the higher node of temperature is known as hot junction in circuit, this point is normally placed at survey
At temperature；Temperature lower end is known as cold junction, the i.e. output end of thermocouple, and output signal is DC voltage, passes through A/D converter
It is converted into digital signal, and by software hydrochloric acid, is transformed into actual temperature value.In petrochemical industry, metallurgy and power industry
In, the application of thermocouple is very wide.
Currently, having many auxiliary systems more particularly to chemistry water, oxygen processed in the production process of nuclear energy power generation enterprise, press
Contracting air station etc. requires its thermometric to use thermocouple temperature measuring apparatus, and requirement of the thermocouple temperature measuring apparatus to space is relatively high,
The outer diameter of current thermocouple is thicker, causes thermal response time slow, while every thermocouple location can not be fixed, and lead to have stream
Thermocouple element can shake when fast, cause thermometric unstable, then influence the accuracy of data, the in addition extraction of thermocouple
Line is chronically exposed to outer be easily broken off.
Summary of the invention
To solve the above problems, its object is to solve the utility model discloses a kind of nuclear power multipoint thermocouple：It is existing
Requirement of the nuclear power temperature measuring equipment to space is relatively high under condition, and the outer diameter of thermocouple is thicker at present, causes thermal response time slow, together
When every thermocouple location can not fix, thermocouple element can shake when leading to have flow velocity, cause thermometric unstable, then
The accuracy of data is influenced, in addition the lead-out wire of thermocouple is chronically exposed to outer the problem of being easily broken off.
In order to reach the goals above, the utility model provides the following technical solutions：A kind of nuclear power multipoint thermocouple, it is described
Multipoint thermocouple includes thermocouple element, sealing insulator, support rod, and the support rod and the welding of sealing insulator bottom connect
It connects, the support rod diameter dimension is 3 millimeters, and the thermocouple element diameter dimension is 1 millimeter, and one end penetrates sealing insulator
Inside is simultaneously drawn out to its bottom along its axis direction, and as thermometric end, the other end is penetrated inside sealing insulator for the part of extraction
And it is drawn out to its top along its axis direction, the part of extraction is as output end.The design structure is simply clear, between each component
It is closely connected and does not influence each other, required part replacement is convenient, is easy to the maintenance of product in use in the future, thermoelectricity
The diameter dimension of even element is designed as 1 millimeter, meets the thermometric requirement of various narrow spaces, guarantees the thermocouple under small space
It still is able to carry out quick temperature measurement function, element thermal response time≤5S of Φ 1mm realizes rapid thermal response.
As a kind of improvement of the utility model, the multipoint thermocouple further includes outer protection tube, high temperature compensation cable, described
Outer protection tube is wrapped in around thermocouple element output end.The design of high temperature compensation cable can guarantee to work normally at high temperature,
Accurate transfer signal, will not under nuclear power environment because by hot environment under the influence of, cause thermocouple element to be oxidized so that
There are deviations for the electric signal of transmission.
As a kind of improvement of the utility model, high-temp glue is fixedly connected between the outer protection tube and high temperature compensation cable.
As a kind of improvement of the utility model, metal hose is enclosed with around the high temperature compensation cable.
As a kind of improvement of the utility model, the multipoint thermocouple is specially 5 thermocouples.Using multimetering,
Can be according to live different slotting deep lengths, entire multiple spot component seal is live in use, protection pipe leakage in that can prevent in protection pipe
And medium is made to leak, securely and reliably.
As a kind of improvement of the utility model, the output end of the multipoint thermocouple uses the quick plug-in unit of two cores.Using
Temperature measuring equipment is connect by the quick plug-in unit of two cores with equipment, can not only accomplish it is easy for installation, quick, efficient and register one's residence it is at low cost,
Simultaneously but also with good signal guide.
As a kind of improvement of the utility model, the multipoint thermocouple further includes protection pipe, fixed plate, the protection pipe
Inside package thermocouple element thermometric end, the fixed plate are arranged at protection pipe both ends.Fixed plate setting rises at protection pipe both ends
The each measurement point distance of thermocouple element is adjusted according to user's measuring distance actually required to fixed function, it is solid with fixed plate
It is fixed, guarantee that every thermocouple location is fixed, thermocouple element, which can shake, when having avoided flow velocity needs other adding set
It fixes or does not add the problem of fixed device causes thermometric unstable, then will affect data accuracy.
As a kind of improvement of the utility model, several fixed plates are set between the thermocouple element and support rod, are led to
It crosses subheader silk and holds out against connection.Several fixed plates are set between the thermocouple element and support rod, according to practical thermocouple member
The quantity of the quantity selection fixed plate of part, the utility model is specially 5 thermocouples, has selected seven fixed plates, five are
Normal fixed plate, other two be it is spare, guarantee prevent fixed plate from loosening at work, can in time using spare fixed plate into
The normal thermometric work of row, will not dally over one's work process, be connected by subheader silk, and one end of support rod and the cooperation of subheader silk is designed
For 1.5 millimeters of plane, so that preferably cooperation between the two.
Opposite and the prior art, the utility model have the following advantages that：
1) design structure is simply clear, is closely connected and does not influence each other between each component, and required part replacement is convenient,
It is easy to the maintenance of product in use in the future, the diameter dimension of thermocouple element is designed as 1 millimeter, meets various narrow
The thermometric requirement in narrow space guarantees that thermocouple still is able to carry out quick temperature measurement function under small space, and the element heat of Φ 1mm is rung
Between seasonable≤5S, realize rapid thermal response；
2) multipoint thermocouple further includes outer protection tube, high temperature compensation cable, and the outer protection tube is wrapped in thermocouple element
Around output end.The design of high temperature compensation cable can guarantee to work normally at high temperature, and accurate transfer signal will not be in nuclear power
Because causing thermocouple element to be oxidized under the influence of by hot environment under environment, so that there are deviations for the electric signal of transmission；
3) multipoint thermocouple is specially 5 thermocouples.Using multimetering, deep lengths can be inserted according to live difference,
Entire multiple spot component seal in scene in protection pipe, can be prevented in use, protection pipe leakage and so that medium is leaked, securely and reliably；
4) output end of the multipoint thermocouple uses the quick plug-in unit of two cores.Using the quick plug-in unit of two cores by temperature measuring equipment with
Equipment connection, can not only accomplish it is easy for installation, quick, efficient and register one's residence it is at low cost, while but also with good signal guide；
5) multipoint thermocouple further includes protection pipe, fixed plate, wraps up thermocouple element thermometric inside the protection pipe
End, the fixed plate are arranged at protection pipe both ends.Fixed plate, which is arranged, plays fixed function at protection pipe both ends, according to user's reality
The measuring distance needed adjusts each measurement point distance of thermocouple element, is fixed with fixed plate, guarantees that every thermocouple location is solid
Fixed, thermocouple element, which can shake, when having avoided flow velocity needs other adding set to fix or do not add fixed device to cause
The problem of thermometric is unstable, then will affect data accuracy；
6) several fixed plates are set between the thermocouple element and support rod, connection is held out against by subheader silk.Described
Several fixed plates are set between thermocouple element and support rod, the number of fixed plate is selected according to the quantity of practical thermocouple element
Amount, the utility model are specially 5 thermocouples, have selected seven fixed plates, five are normal fixed plate, and other two is
Spare, guarantee prevents fixed plate from loosening at work, can carry out normal thermometric work using spare fixed plate in time, will not indulge in
It delays work process, is connected by subheader silk, one end of support rod and the cooperation of subheader silk is designed as to 1.5 millimeters of plane, so that
Preferably cooperation between the two.
7) cost is relatively low for the technical solution, just with further marketing application.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model support rod A point up-sizing structural schematic diagram；
Reference signs list：
1, thermocouple element；2, sealing insulator；3, support rod；4, thermometric end；5, output end；6, outer protection tube；7, high temperature
Compensating cable；8, metal hose；9, the quick plug-in unit of two cores；10, protection pipe；11, fixed plate.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Embodiment 1：Referring to Fig. 1, now a kind of nuclear power provided by the utility model is illustrated with multipoint thermocouple, it is described
Multipoint thermocouple includes thermocouple element 1, sealing insulator 2, support rod 3, and the support rod 3 is welded with 2 bottom of sealing insulator
It connects in succession, 3 diameter dimension of support rod is 3 millimeters, and 1 diameter dimension of thermocouple element is 1 millimeter, and one end penetrates sealing
1 inside of insulating part is simultaneously drawn out to its bottom along its axis direction, and as thermometric end 4, it is exhausted that the other end penetrates sealing for the part of extraction
1 inside of edge part is simultaneously drawn out to its top along its axis direction, and the part of extraction is as output end 5.The design structure is simply clear,
It is closely connected and does not influence each other between each component, required part replacement is convenient, is easy to the dimension of product in use in the future
Maintenance is repaired, the diameter dimension of thermocouple element is designed as 1 millimeter, meets the thermometric requirement of various narrow spaces, guarantees narrow
Thermocouple still is able to carry out quick temperature measurement function under space, and element thermal response time≤5S of Φ 1mm realizes rapid thermal response.
Embodiment 2：Referring to Fig. 1, as a kind of improvement of the utility model, the multipoint thermocouple further include outer protection tube 6,
High temperature compensation cable 7, the outer protection tube 6 are wrapped in around 1 output end 5 of thermocouple element.The design of high temperature compensation cable 7 can
Guarantee work normally at high temperature, accurate transfer signal, will not under nuclear power environment because by hot environment under the influence of, cause
Thermocouple element is oxidized, so that there are deviations for the electric signal of transmission.
Embodiment 3：Referring to Fig. 1, as a kind of improvement of the utility model, the multipoint thermocouple is specially 5 thermoelectricity
It is even., can be according to live different slotting deep lengths using multimetering, entire multiple spot component seal is existing in that can prevent in protection pipe 10
Field is in use, protection pipe 10 leaks and medium is made to leak, securely and reliably.
Embodiment 4：Referring to Fig. 1, as a kind of improvement of the utility model, the output end 5 of the multipoint thermocouple is used
The quick plug-in unit 9 of two cores.Temperature measuring equipment is connect with equipment using two cores quick plug-in unit 9, can not only be accomplished easy for installation, fast
Speed, efficiently and register one's residence it is at low cost, while but also with good signal guide.
Embodiment 5：Referring to Fig. 1, as a kind of improvement of the utility model, the multipoint thermocouple further includes protection pipe
10, fixed plate 11,1 thermometric end 4 of thermocouple element is wrapped up inside the protection pipe 10, and the fixed plate 11 is arranged in protection pipe 10
Both ends.Fixed plate 11, which is arranged, plays fixed function at 10 both ends of protection pipe, according to user's measuring distance actually required, adjusts heat
The each measurement point distance of galvanic couple element, it is fixed with fixed plate 11, guarantee that every thermocouple location is fixed, heat when having avoided flow velocity
Galvanic couple element, which can shake, to be needed other adding set to fix or do not add fixed device to cause thermometric unstable, then can shadow
The problem of ringing data accuracy.
Embodiment 6：Referring to Fig. 1, Fig. 2, as a kind of improvement of the utility model, the thermocouple element 1 and support rod 3
Between several fixed plates 11 are set, connection is held out against by subheader silk (in figure unmarked).In the thermocouple element 1 and support rod
Several fixed plates 11 are set between 3, the quantity of fixed plate 11, the utility model are selected according to the quantity of practical thermocouple element 1
To be specially 5 thermocouples, selected seven fixed plates, five are normal fixed plate, other two be it is spare, guarantee in work
It prevents fixed plate from loosening in work, normal thermometric work can be carried out using spare fixed plate in time, will not dally over one's work process, lead to
The connection of subheader silk is crossed, one end of support rod and the cooperation of subheader silk is designed as to 1.5 millimeters of plane, so that between the two preferably
Cooperation.
The utility model can also be by least one of described technical characteristic of embodiment 2,3,4,5,6 and example 1 group
Conjunction forms new embodiment.
Technological means disclosed in the utility model is not limited only to technological means disclosed in above embodiment, also
Including technical solution consisting of any combination of the above technical features.It should be pointed out that for the ordinary skill of the art
For personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the protection scope of the utility model.
Claims (8)
1. a kind of nuclear power multipoint thermocouple, it is characterised in that：The multipoint thermocouple includes thermocouple element, sealed insulation
Part, support rod, the support rod and sealing insulator bottom are welded to connect, and the support rod diameter dimension is 3 millimeters, the heat
Having a size of 1 millimeter, one end penetrates inside sealing insulator and is drawn out to its bottom along its axis direction galvanic couple element diameter, draws
Part as thermometric end, the other end penetrates inside sealing insulator and is drawn out to its top, the portion of extraction along its axis direction
It is allocated as output end.
2. a kind of nuclear power multipoint thermocouple according to claim 1, it is characterised in that：The multipoint thermocouple further includes
Outer protection tube, high temperature compensation cable, the outer protection tube are wrapped in around thermocouple element output end.
3. a kind of nuclear power multipoint thermocouple according to claim 2, it is characterised in that：The outer protection tube and high temperature compensation
High-temp glue is fixedly connected between cable.
4. a kind of nuclear power multipoint thermocouple according to claim 2, it is characterised in that：Around the high temperature compensation cable
It is enclosed with metal hose.
5. a kind of nuclear power multipoint thermocouple according to claim 4, it is characterised in that：The multipoint thermocouple is specially
5 thermocouples.
6. nuclear power multipoint thermocouple according to claim 1, it is characterised in that：The output end of the multipoint thermocouple is adopted
With the quick plug-in unit of two cores.
7. a kind of nuclear power multipoint thermocouple according to claim 1, it is characterised in that：The multipoint thermocouple further includes
Thermocouple element thermometric end is wrapped up in protection pipe, fixed plate, the protection pipe inside, and the fixed plate is arranged at protection pipe both ends.
8. a kind of nuclear power multipoint thermocouple according to claim 7, it is characterised in that：The thermocouple element and support
Several fixed plates are set between bar, connection is held out against by subheader silk.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721859957.7U CN208125288U (en) | 2017-12-27 | 2017-12-27 | A kind of nuclear power multipoint thermocouple |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721859957.7U CN208125288U (en) | 2017-12-27 | 2017-12-27 | A kind of nuclear power multipoint thermocouple |
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| CN208125288U true CN208125288U (en) | 2018-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046902A (en) * | 2021-10-12 | 2022-02-15 | 天津六0九电缆有限公司 | High-temperature-resistant temperature measurement wire harness and using method thereof |
-
2017
- 2017-12-27 CN CN201721859957.7U patent/CN208125288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046902A (en) * | 2021-10-12 | 2022-02-15 | 天津六0九电缆有限公司 | High-temperature-resistant temperature measurement wire harness and using method thereof |
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