CN202033121U - Precise temperature measuring multi-point thermocouple - Google Patents

Precise temperature measuring multi-point thermocouple Download PDF

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Publication number
CN202033121U
CN202033121U CN2011200596064U CN201120059606U CN202033121U CN 202033121 U CN202033121 U CN 202033121U CN 2011200596064 U CN2011200596064 U CN 2011200596064U CN 201120059606 U CN201120059606 U CN 201120059606U CN 202033121 U CN202033121 U CN 202033121U
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CN
China
Prior art keywords
flange
temperature measuring
thermometric core
locking block
fixed locking
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.)
Expired - Lifetime
Application number
CN2011200596064U
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Chinese (zh)
Inventor
刘汉杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN ZHONG HUAN TEMPERATURE INSTRUMENT CO Ltd
Original Assignee
TIANJIN ZHONG HUAN TEMPERATURE INSTRUMENT CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by TIANJIN ZHONG HUAN TEMPERATURE INSTRUMENT CO Ltd filed Critical TIANJIN ZHONG HUAN TEMPERATURE INSTRUMENT CO Ltd
Priority to CN2011200596064U priority Critical patent/CN202033121U/en
Application granted granted Critical
Publication of CN202033121U publication Critical patent/CN202033121U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a precise temperature measuring multi-point thermocouple, comprises a conjunction box, a protective sleeve, a sleeve flange and a plurality of temperature measuring core bodies, wherein a flange diameter of the sleeve pipe flange is connected with the conjunction box via the protective sleeve, upper ends of the temperature measuring core bodies are connected with the conjunction box, upper portions of the temperature measuring core bodies are mated with the flange diameter of the sleeve flange via a sealed leakage resistant device and are fixed in the protective sleeve and the sleeve flange, a lower portion of each temperature measuring core body is provided with an expanding card support, the expanding card support comprises a fixed locking block and four arc cards, through holes, number of which is the same as that of the temperature measuring core bodies, are arranged on the fixed locking block, the four arc cards are coaxially distributed on the fixed locking block in a uniform manner, and measuring ends of the temperature measuring core bodies penetrate into card holes of the arc cards. The safe and reliable precise temperature measuring multi-point thermocouple is simple in structure, labor saving and time saving in maintenance, reduces maintenance cost, guarantees precision of the measuring, and prolongs service life.

Description

Accurate temperature measuring type multiple spot thermopair
Technical field
The utility model belongs to the temperature sensor field, especially a kind of accurate temperature measuring type multiple spot thermopair.
Background technology
The multiple spot thermopair is used more and more widely in industry spot, its primary structure comprises terminal box, protective casing, casing flange and a plurality of thermometric core body, the flange footpath of casing flange connects terminal box by protective casing, the upper end of a plurality of thermometric core bodys is connected with terminal box, this a plurality of thermometric core bodys top is put directly to cooperate with the flange of casing flange by sealing resistance neglected loading and is packed in protective casing and the casing flange, when measuring, a plurality of thermometric core bodys are installed in the measurement sleeve pipe of reactor by casing flange, because the thermometric core body is a plurality of and its length difference, therefore can measure the different local temperature of reactor, though this kind structure can be measured the temperature of reactor diverse location, but there are the following problems: 1, the measurement sleeve pipe content that a plurality of thermometric core bodys are placed on reactor easily twists together, make thermometric core body end be not easy to the contact of measuring unit inside pipe wall, influence measuring accuracy, reduce the response speed of thermometric, cause measurement inaccurate; 2, the thermometric core body twists together, and can not extract replacing separately out in case a thermometric core body damages, need be with multiple spot thermopair integral replacing, and cost is higher, and causes break also can cause measurement inaccurate because the thermometric core body twines.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of accurate temperature measuring type multiple spot thermopair is provided, and this thermocouple structure is simple, safe and reliable, maintenance maintenance is time saving and energy saving and reduced the maintenance maintenance cost, has ensured the degree of accuracy of measuring, and has prolonged serviceable life.
The utility model solves its technical matters and is achieved through the following technical solutions:
A kind of accurate temperature measuring type multiple spot thermopair; comprise terminal box; protective casing; casing flange and a plurality of thermometric core body; the flange footpath of casing flange connects terminal box by protective casing; the upper end of a plurality of thermometric core bodys is connected with terminal box; this a plurality of thermometric core bodys top is put directly to cooperate with the flange of casing flange by sealing resistance neglected loading and is packed in protective casing and the casing flange; it installs the clamping stent that rises in each thermometric core body bottom; this clamping stent that rises comprises fixed locking block and four arc cards; be shaped on the pass through hole identical on the fixed locking block with thermometric core body quantity; four coaxial uniform being arranged on the fixed locking block of arc card, the measuring junction of thermometric core body penetrates in the hole clipping of arc card.
And described a plurality of thermometric core bodys upper end is connected with terminal box by the cold junction protection tube.
And described sealing resistance neglected loading is put and is comprised hold-down bolt, pressure pad and sealing gasket, and hold-down bolt directly cooperates by pressure pad with the flange of casing flange and compresses sealing gasket, and the sealing pad compresses the thermometric core body.
And the described clamping stent that rises is locked on the thermometric core body by the bolt on its fixed locking block.
Advantage of the present utility model and beneficial effect are:
1, this accurately temperature measuring type multiple spot thermopair install the clamping stent that rises in each thermometric core body bottom, this clamping stent that rises comprises fixed locking block and four arc cards, be shaped on the pass through hole identical on the fixed locking block with thermometric core body quantity, four coaxial uniform being arranged on the fixed locking block of arc card, the measuring junction of thermometric core body penetrates in the hole clipping of arc card, this kind structure can make the measuring junction of thermometric core body fully contact with the measuring unit inside pipe wall of reactor, ensured the accuracy of measuring, also can make between the thermometric core body and not twine mutually, be beneficial to single thermometric core body and change, make maintenance maintenance convenient.
2, the sealing of this accurate temperature measuring type multiple spot thermopair resistance neglected loading is put and is comprised hold-down bolt, pressure pad and sealing gasket, hold-down bolt directly cooperates by pressure pad with the flange of casing flange and compresses sealing gasket, the sealing pad compresses the thermometric core body, this kind structure effectively measurement sleeve pipe on the protective reactor is damaged, the High Temperature High Pressure strong corrosive medium directly sprays, and has increased the security of using.
3, this accurately the temperature measuring type multiple spot thermopair clamping stent that rises be locked on the thermometric core body by the bolt on its fixed locking block, this kind is simple for structure, cost is lower, and is easy for installation.
4, the utility model is simple in structure, and maintenance maintenance is time saving and energy saving and reduced the maintenance maintenance cost, has ensured the degree of accuracy of measuring, and has prolonged serviceable life, is a kind of safe and reliable accurate temperature measuring type multiple spot thermopair.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the clamping stent structural representation (broken section) that rises of the present utility model;
Fig. 3 is the upward view of Fig. 2.
Embodiment
The utility model is described in further detail below by specific embodiment, and following examples are descriptive, is not determinate, can not limit protection domain of the present utility model with this.
A kind of accurate temperature measuring type multiple spot thermopair; comprise terminal box 1; protective casing 13; casing flange 6 and a plurality of thermometric core body 7; the flange footpath 5 of casing flange connects terminal box by protective casing; flange at casing flange directly and between the protective casing is equipped with exclusion seal pad 11; a plurality of thermometric core bodys upper end is connected with terminal box by cold junction protection tube 2; perfusion high-temperature seal adhesive in the cold junction protection tube; this a plurality of thermometric core bodys top is put directly to cooperate with the flange of casing flange by sealing resistance neglected loading and is packed in protective casing and the casing flange; sealing resistance neglected loading is put and is comprised hold-down bolt 3; pressure pad 12 and sealing gasket 4; hold-down bolt directly cooperates by pressure pad with the flange of casing flange and compresses sealing gasket; the sealing pad compresses the thermometric core body; it installs the clamping stent that rises in each thermometric core body bottom; this clamping stent that rises comprises fixed locking block 8 and four arc cards 9; be shaped on identical with the thermometric core body quantity hole 15 of passing through on the fixed locking block; present embodiment thermometric core body quantity is 3; so the hole of passing through on the fixed locking block also is set to 3; four coaxial uniform being arranged on the fixed locking block of arc card; the measuring junction 10 of thermometric core body penetrates in the hole clipping 14 of arc card, and the clamping stent that rises is locked on the thermometric core body by the bolt on its fixed locking block 16.
The utility model four arc cards in use contacts with the measuring unit inside pipe wall of reactor, and tensioner is in the measurement sleeve pipe of reactor, wherein hole clipping penetrates the arc card of thermometric core body measuring junction owing to the measuring junction of elastic deformation with the thermometric core body is close on the measuring unit inside pipe wall of reactor, guaranteed the measuring position of thermometric core body, improved thermometric degree of accuracy, and because the effect of fixed locking block can not twined mutually, for ease of maintenaince safeguard between the thermometric core body.

Claims (4)

1. accurate temperature measuring type multiple spot thermopair; comprise terminal box; protective casing; casing flange and a plurality of thermometric core body; the flange footpath of casing flange connects terminal box by protective casing; the upper end of a plurality of thermometric core bodys is connected with terminal box; this a plurality of thermometric core bodys top is put directly to cooperate with the flange of casing flange by sealing resistance neglected loading and is packed in protective casing and the casing flange; it is characterized in that: install the clamping stent that rises in each thermometric core body bottom; this clamping stent that rises comprises fixed locking block and four arc cards; be shaped on the pass through hole identical on the fixed locking block with thermometric core body quantity; four coaxial uniform being arranged on the fixed locking block of arc card, the measuring junction of thermometric core body penetrates in the hole clipping of arc card.
2. accurate temperature measuring type multiple spot thermopair according to claim 1 is characterized in that: described a plurality of thermometric core bodys upper end is connected with terminal box by the cold junction protection tube.
3. accurate temperature measuring type multiple spot thermopair according to claim 1, it is characterized in that: described sealing resistance neglected loading is put and is comprised hold-down bolt, pressure pad and sealing gasket, hold-down bolt directly cooperates by pressure pad with the flange of casing flange and compresses sealing gasket, and the sealing pad compresses the thermometric core body.
4. accurate temperature measuring type multiple spot thermopair according to claim 1 is characterized in that: the described clamping stent that rises is locked on the thermometric core body by the bolt on its fixed locking block.
CN2011200596064U 2011-03-09 2011-03-09 Precise temperature measuring multi-point thermocouple Expired - Lifetime CN202033121U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200596064U CN202033121U (en) 2011-03-09 2011-03-09 Precise temperature measuring multi-point thermocouple

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200596064U CN202033121U (en) 2011-03-09 2011-03-09 Precise temperature measuring multi-point thermocouple

Publications (1)

Publication Number Publication Date
CN202033121U true CN202033121U (en) 2011-11-09

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CN2011200596064U Expired - Lifetime CN202033121U (en) 2011-03-09 2011-03-09 Precise temperature measuring multi-point thermocouple

Country Status (1)

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CN (1) CN202033121U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102607730A (en) * 2012-04-20 2012-07-25 吴方立 Multipoint flexible thermocouple
CN103913248A (en) * 2013-12-31 2014-07-09 吴江亿泰真空设备科技有限公司 Multipoint temperature measuring interface device of vacuum furnace
CN104390714A (en) * 2014-12-18 2015-03-04 上海电气核电设备有限公司 Thermocouple fixing device for performing multi-point temperature measurement in small-diameter pipe and temperature measuring method
CN109141944A (en) * 2018-05-02 2019-01-04 奇瑞汽车股份有限公司 The arrangement apparatus of thermocouple
CN109176035A (en) * 2018-07-24 2019-01-11 江苏兆龙电气有限公司 A kind of overlength thermocouple special processing equipment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102607730A (en) * 2012-04-20 2012-07-25 吴方立 Multipoint flexible thermocouple
CN102607730B (en) * 2012-04-20 2014-04-09 吴方立 Multipoint flexible thermocouple
CN103913248A (en) * 2013-12-31 2014-07-09 吴江亿泰真空设备科技有限公司 Multipoint temperature measuring interface device of vacuum furnace
CN104390714A (en) * 2014-12-18 2015-03-04 上海电气核电设备有限公司 Thermocouple fixing device for performing multi-point temperature measurement in small-diameter pipe and temperature measuring method
CN109141944A (en) * 2018-05-02 2019-01-04 奇瑞汽车股份有限公司 The arrangement apparatus of thermocouple
CN109176035A (en) * 2018-07-24 2019-01-11 江苏兆龙电气有限公司 A kind of overlength thermocouple special processing equipment

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CX01 Expiry of patent term

Granted publication date: 20111109

CX01 Expiry of patent term