CN201413205Y - Air-blowing armored thermocouple - Google Patents
Air-blowing armored thermocouple Download PDFInfo
- Publication number
- CN201413205Y CN201413205Y CN2009200955483U CN200920095548U CN201413205Y CN 201413205 Y CN201413205 Y CN 201413205Y CN 2009200955483 U CN2009200955483 U CN 2009200955483U CN 200920095548 U CN200920095548 U CN 200920095548U CN 201413205 Y CN201413205 Y CN 201413205Y
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- China
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- protective casing
- air blowing
- joint
- locknut
- web member
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- Expired - Lifetime
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Abstract
The utility model belongs to an air-blowing armored thermocouple consisting of a junction box, a protective sleeve pipe, an air blowing device and a temperature measuring element, wherein, the protective sleeve pipe is made up of an upper protective sleeve pipe and a lower protective sleeve pipe which are nested in a vertical and coaxial manner, the upper end of the upper protective sleeve pipe isfixedly installed on the junction box, the temperature measuring element is coaxially installed inside the upper and the lower protective sleeve pipes, the upper end of the soft body wire of the temperature measuring element is fixedly installed on the junction box, the air blowing device is installed between the upper and the lower protective sleeve pipes, and the upper end and the lower end ofthe air blowing device are fixed respectively with the lower end of the upper protective sleeve pipe and the upper end of the lower protective sleeve pipe through a loose lock nut. The utility model has the following advantages: the air inlet of the air blowing device of the thermocouple is resistant to abrasion and has good sealing performance; and the replacement of the temperature measuring element is convenient and the measuring accuracy and safety is relatively high. Moreover, the air-blowing armored thermocouple provided by the utility model has a relatively long service life.
Description
Technical field
The utility model belongs to the thermopair in the temperature sensor field, especially a kind of air blowing type armoured thermocouple.
Background technology
Thermopair is one of temperature sensor of using always, in the temperature monitoring of the collection cooler of petrochemical industry synthetic ammonia project and reactor, often use the temperature of a plurality of positions of thermocouple measurement, the Temperature numerical of general monitoring is higher, change frequent up and down, therefore require the thermopair reaction velocity fast, high temperature oxidation resisting.The air blowing type thermopair of Xiao Shouing mainly is made of terminal box, protective casing, blowning installation and temperature element four parts in the market, though can realize multimetering, but still there are the following problems: 1. after temperature element damages, can only be with the product integral replacing, and need stop whole operation, cause the maintenance maintenance cost too high, work efficiency reduces; 2. the draft tube of blowning installation is a flexible pipe, the long-term use, and flexible pipe can consume, and cause the whole replacing of blowning installation, and sealing is relatively poor; 3. security is relatively poor.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of air blowing type armoured thermocouple is provided, and the blowning installation air intake opening of this thermopair is wear-resistant, good seal performance, and temperature element is changed convenient, and measuring accuracy and security are higher, and serviceable life is longer.
The utility model solves its technical matters and is achieved through the following technical solutions:
A kind of air blowing type armoured thermocouple; by terminal box; protective casing; blowning installation and temperature element constitute; protective casing is by on last protective casing and the following protective casing; following coaxial package is formed; the upper end of last protective casing is packed on the terminal box; temperature element is coaxial to be installed in protective casing and to descend protective casing upper end interior and its software line to be packed on the terminal box; blowning installation is installed between protective casing and the following protective casing, and wherein the upper end of the lower end of the upper end of blowning installation and lower end and last protective casing and following protective casing installs by active locknut respectively.
And; described blowning installation is by draft tube; wireway; the air blowing joint; the joint web member; the locknut web member constitutes; joint web member upper end installs by active locknut and last protective casing lower end; locknut web member upper end installs with joint web member lower end; locknut web member lower end installs by active locknut and following protective casing upper end; the air blowing joint radially vertically is packed on the joint web member sidewall; draft tube is packed on the air blowing joint and with wireway by hermetically-sealed construction and is communicated with; wireway is coaxial to be placed down in the protective casing, is shaped on the gas outlet on the locknut web member outer wall.
And described hermetically-sealed construction is by compressing locknut and sealing gasket constitutes, and compresses locknut by compressing sealing gasket with the engagement of air blowing joint, by the fixing draft tube of sealing gasket.
And described upper end of going up the temperature element in the protective casing installs a high temperature joint, is filled with high-temp glue in this high temperature joint.
And described temperature element is N, and coaxial being distributed in the protective casing, and the quantity of N is 1≤N≤10.
And the temperature element in the described protective casing is fixed by X the uniform back up pad that installs, and the quantity of X is 1≤X≤20.
Advantage of the present utility model and beneficial effect are:
1. the upper end of this air blowing type armoured thermocouple blowning installation and lower end install by the lower end of active locknut and last protective casing and the upper end of following protective casing respectively; this kind structure can be after temperature element damages; only need unload blowning installation replacing temperature element gets final product; reduced the cost of maintenance maintenance; improved work efficiency; and easy accessibility especially goes out on the line interface direction in the adjustment terminal box.
2. this air blowing type armoured thermocouple draft tube is packed on the air blowing joint and with wireway by hermetically-sealed construction and is communicated with; the sealing structure is by compressing locknut and sealing gasket constitutes; compress locknut by compressing sealing gasket with the engagement of air blowing joint; by the fixing draft tube of sealing gasket; the sealing structure has been improved the impermeability of blowning installation interface; and air induction hose reduced loss under the protection of hermetically-sealed construction, improved serviceable life.
3. this air blowing type armoured thermocouple temperature element upper end installs a high temperature joint, and can high-temp glue in this high temperature joint effectively prevents by pyrometry, strong corrosive medium excessively, has improved security.
4. this air blowing type armoured thermocouple has installed back up pad additional between a plurality of temperature elements, has effectively improved vibration damping, has prolonged serviceable life, effectively prevents the collision because of the more generation of temperature element quantity.
5. the utility model thermopair blowning installation air intake opening is wear-resistant, good seal performance, and temperature element is changed convenient, and measuring accuracy and security are higher, are long air blowing type armoured thermocouples in a kind of serviceable life.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is that the A-A of Fig. 1 is to cut-open view;
Fig. 3 is that the B-B of Fig. 1 is to cut-open view.
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 air blowing type armoured thermocouple, by terminal box 1, protective casing, blowning installation and temperature element 11 constitute, terminal box can be anti-explosion terminal box, protective casing is by on last protective casing 2 and the following protective casing 9, coaxial installing forms down, be fixed with a flange 8 on the following protective casing, the upper end of last protective casing is packed on the anti-explosion terminal box, temperature element places in the protective casing and its software line 20 is packed on the terminal box, blowning installation is installed between protective casing and the following protective casing, wherein the upper end of blowning installation and lower end are respectively by active locknut 3,7 with the lower end of last protective casing and down the upper end of protective casing install, this blowning installation is by draft tube 14, wireway 12, air blowing joint 17, joint web member 4, locknut web member 5 constitutes, joint web member upper end installs by active locknut and last protective casing lower end, locknut web member upper end installs with joint web member lower end, locknut web member lower end installs by active locknut and following protective casing upper end, the air blowing joint radially vertically is packed on the joint web member sidewall, draft tube is packed on the air blowing joint and with wireway by hermetically-sealed construction and is communicated with, wireway is coaxial to be placed down in the protective casing, be shaped on gas outlet 6 on the locknut web member outer wall, above-mentioned hermetically-sealed construction constitutes by compressing locknut 16 and sealing gasket, sealing gasket is by compressing sealing gasket 15 and Expansion sealing pad 13 constitutes, compress locknut by meshing with the air blowing joint, thereby jacking compresses sealing gasket and Expansion sealing pad, by the fixing draft tube of Expansion sealing pad; The temperature element upper end installs a high temperature joint 19, can high-temp glue 18 in this high temperature joint, this high-temp glue can be bought on market and obtain, can be high temperature resistant 800 ℃, and temperature element is N, and coaxial being distributed in the protective casing, the quantity of N are 1≤N≤10, and present embodiment temperature element shown in the drawings is 3; Temperature element in the protective casing is fixing by X the uniform back up pad that installs 10, and this back up pad can be furnished with N+1 perforation above for cellular, and wireway passes center pit, and N props up temperature element and passes perforation separately respectively and be distributed in the measurement protection tube.The value of X can be inserted length on temperature element and decide.The quantity of X is 1≤X≤20, and the quantity of back up pad shown in the present embodiment accompanying drawing is 3, and this back up pad is enclosed within on temperature element and the wireway.Above-mentioned temperature element is the armouring temperature element, can extract individually from terminal box, installation and removal.When certain element is damaged, need not entire product is carried out maintain and replace, reduced the workload and the production cost of maintenance.
The utility model when mounted; the following protective casing that will have flange earlier installs on the tested cylinder body; be installed to down on the protective casing according to the position that designs in advance installing the anti-explosion terminal box of temperature element, last protective casing and blowning installation; the line position adjustment that goes out of anti-explosion terminal box is finished; screw active locknut; this air blowing type armoured thermocouple installs; in use; when temperature element damages; only needing to descend active locknut on the protective casing to outward winding is replaceable temperature element; time saving and energy saving, reduced the cost of maintenance maintenance.
Claims (6)
1. air blowing type armoured thermocouple; by terminal box; protective casing; blowning installation and temperature element constitute; protective casing is by on last protective casing and the following protective casing; following coaxial package is formed; the upper end of last protective casing is packed on the terminal box; temperature element is coaxial to be installed in protective casing and to descend protective casing upper end interior and its software line to be packed on the terminal box; blowning installation is installed between protective casing and the following protective casing, it is characterized in that: the upper end of the lower end of the upper end of blowning installation and lower end and last protective casing and following protective casing installs by active locknut respectively.
2. air blowing type armoured thermocouple according to claim 1; it is characterized in that: described blowning installation is by draft tube; wireway; the air blowing joint; the joint web member; the locknut web member constitutes; joint web member upper end installs by active locknut and last protective casing lower end; locknut web member upper end installs with joint web member lower end; locknut web member lower end installs by active locknut and following protective casing upper end; the air blowing joint radially vertically is packed on the joint web member sidewall; draft tube is packed on the air blowing joint and with wireway by hermetically-sealed construction and is communicated with; wireway is coaxial to be placed down in the protective casing, is shaped on the gas outlet on the locknut web member outer wall.
3. air blowing type armoured thermocouple according to claim 2 is characterized in that: described hermetically-sealed construction is by compressing locknut and sealing gasket constitutes, and compresses locknut by compressing sealing gasket with the engagement of air blowing joint, by the fixing draft tube of sealing gasket.
4. air blowing type armoured thermocouple according to claim 1 is characterized in that: described upper end of going up the temperature element in the protective casing installs a high temperature joint, is filled with high-temp glue in this high temperature joint.
5. air blowing type armoured thermocouple according to claim 1 is characterized in that: described temperature element is N, and coaxial being distributed in the protective casing, and the quantity of N is 1≤N≤10.
6. according to claim 1 or 4 or 5 described air blowing type armoured thermocouples, it is characterized in that: the temperature element in the described protective casing is fixed by X the uniform back up pad that installs, and the quantity of X is 1≤X≤20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200955483U CN201413205Y (en) | 2009-02-13 | 2009-02-13 | Air-blowing armored thermocouple |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200955483U CN201413205Y (en) | 2009-02-13 | 2009-02-13 | Air-blowing armored thermocouple |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413205Y true CN201413205Y (en) | 2010-02-24 |
Family
ID=41715088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200955483U Expired - Lifetime CN201413205Y (en) | 2009-02-13 | 2009-02-13 | Air-blowing armored thermocouple |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413205Y (en) |
-
2009
- 2009-02-13 CN CN2009200955483U patent/CN201413205Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100224 Effective date of abandoning: 20090213 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100224 Effective date of abandoning: 20090213 |