CN2425354Y - Front-set explosion-proof thermal couple (resistance) - Google Patents
Front-set explosion-proof thermal couple (resistance) Download PDFInfo
- Publication number
- CN2425354Y CN2425354Y CN 99252151 CN99252151U CN2425354Y CN 2425354 Y CN2425354 Y CN 2425354Y CN 99252151 CN99252151 CN 99252151 CN 99252151 U CN99252151 U CN 99252151U CN 2425354 Y CN2425354 Y CN 2425354Y
- Authority
- CN
- China
- Prior art keywords
- protection tube
- resistance
- compression spring
- temperature element
- flame proof
- 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 - Fee Related
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- Measuring Temperature Or Quantity Of Heat (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Abstract
The utility model relates to a gap front-mounted type explosion-proof thermocouple (thermal resistance), which is characterized in that the lower end of a terminal board in a terminal box is provided with a detachably connected built-in protective sleeve barrel, the inner side of the sleeve barrel is provided with a compression spring and a wire, the lower part of the compression spring is connected with a temperature measurement element and is inserted into a protective tube, a cylinder explosion-proof structure is arranged on an inlet of the protective tube, and the contact of the temperature measurement element and the bottom part of the protective tube is kept.
Description
The utility model relates to the temperature measurement technology field, belongs to a kind of thermopair (resistance) of explosion-proof occasion specifically.
Be explosion-proof between thermopair (resistance) the terminal box cavity of flame proof occasion and the protection tube cavity both at home and abroad at present; in the junction of terminal box and terminal block the cylinder blast resistance construction is set mostly; in order to reach the electric insulation requirement; employing " the anti-trace of letting out " plastics is preferably made, but the thermal expansivity of plastics is bigger, and easily aging; not only make flame proof gap instability; influence explosion-proof performance, and kill easily, make loading and unloading bring difficulty.
The preposition cylinder explosion separation structure of the purpose of this utility model at the protection tube inlet; improve explosion-proof performance; and adopt the built-in elasticity cold junction of movable technology; not only the flame proof gap is stable; and loading and unloading smoothly, obtains a kind of gap forward type flame proof thermopair (resistance) of thermal response preferably and resistance to shock simultaneously.
For finishing the technical scheme that above-mentioned purpose is taked: terminal block 2 lower ends in the terminal box 11 are provided with the built-in protection sleeve 5 of active connection; compression spring 3 and lead 4 are established in sleeve 5 inboards; compression spring connects temperature element 63 times; measuring sensor 6 inserts protection tube 8; the stainless steel sleeve 7 of pipe flame proof is set in the porch; the bottom of temperature element 6 contacts with protection tube 8, carries out the cylinder flame proof by pipe stainless steel sleeve 7 between protection tube cavity 10 and the terminal box cavity.
The utility model is owing to adopt the warm element be welded with stainless steel sleeve 7 and the cylinder explosion separation structure is formed in the hole of the porch of protection tube 8; make dimensional accuracy higher, even under the violent or corrosive environment effect, also can keep stable dimensions in temperature variation; therefore, explosion-proof reliability height.Take elasticity cold junction parts simultaneously, promptly terminal block 2 takes flexible electric to be connected with temperature element 6, will measure warm element 6 by compression spring and hold out against bottom in protection tube, and thermal response and shock resistance can obtain bigger raising like this.
The utility model embodiment is described in detail in conjunction with figure.
Fig. 1 is the utility model structural drawing.
According to shown in Figure 1; below the cavity internal wiring terminal of terminal box 11 and terminal block 2, establish built-in protection sleeve 5; protection sleeve 5 is active the connection with temperature element 6; sleeve 5 inboards are provided with the compression spring 3 and the lead 4 that can keep the fiduciary level that temperature element 6 bottoms and protection tube bottom connection touch; compression spring 3 lower ends connect temperature element 6; temperature element 6 inserts protection tube 8; at the inlet relative position place soldering stainless steel cover 7 of temperature element 6 with protection tube 8; guarantee protection tube cavity 10 and the requirement of terminal box cavity flame proof; constitute the circle flame proof, guarantee that at last the bottom of temperature element 6 contacts with protection tube 8 bottoms.
Claims (1)
1; a kind of by terminal box (11); connection terminal (1); terminal block (2); lead (4); the gap forward type flame proof thermopair (resistance) that protection tube (8) is formed; it is characterized in that interior terminal block (2) lower end of terminal box (11) is provided with the built-in protection sleeve of active connection (5) sleeve (5) inboard and establishes compression spring (3) and lead (4); connect temperature element (6) under the compression spring (3); temperature element (6) inserts protection tube (8); the stainless steel sleeve (7) of pipe flame proof is set in the porch; the bottom of temperature element (6) contacts with protection tube (8), carries out the cylinder flame proof by pipe stainless steel sleeve (7) between protection tube cavity (10) and the terminal box cavity.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99252151 CN2425354Y (en) | 1999-12-17 | 1999-12-17 | Front-set explosion-proof thermal couple (resistance) |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99252151 CN2425354Y (en) | 1999-12-17 | 1999-12-17 | Front-set explosion-proof thermal couple (resistance) |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2425354Y true CN2425354Y (en) | 2001-03-28 |
Family
ID=34036449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 99252151 Expired - Fee Related CN2425354Y (en) | 1999-12-17 | 1999-12-17 | Front-set explosion-proof thermal couple (resistance) |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2425354Y (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103592049A (en) * | 2013-10-16 | 2014-02-19 | 安徽蓝德仪表有限公司 | Anti-explosion platinum thermistor for air compressor |
CN104748874A (en) * | 2015-04-15 | 2015-07-01 | 久茂自动化(大连)有限公司 | Marine engine temperature sensor |
CN106768425A (en) * | 2016-12-21 | 2017-05-31 | 湖南崇德工业科技有限公司 | For the temperature element of bearing |
CN109443571A (en) * | 2018-12-18 | 2019-03-08 | 海盐县秦山热工仪表厂 | A kind of thermometric thermal resistance that anti-shake performance is good |
CN111473874A (en) * | 2020-05-28 | 2020-07-31 | 重庆市海辰仪表成套工程有限公司 | Heat-resistant explosion-proof temperature thermocouple structure |
-
1999
- 1999-12-17 CN CN 99252151 patent/CN2425354Y/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103592049A (en) * | 2013-10-16 | 2014-02-19 | 安徽蓝德仪表有限公司 | Anti-explosion platinum thermistor for air compressor |
CN104748874A (en) * | 2015-04-15 | 2015-07-01 | 久茂自动化(大连)有限公司 | Marine engine temperature sensor |
CN106768425A (en) * | 2016-12-21 | 2017-05-31 | 湖南崇德工业科技有限公司 | For the temperature element of bearing |
CN106768425B (en) * | 2016-12-21 | 2019-10-15 | 湖南崇德工业科技有限公司 | Temperature element for bearing |
CN109443571A (en) * | 2018-12-18 | 2019-03-08 | 海盐县秦山热工仪表厂 | A kind of thermometric thermal resistance that anti-shake performance is good |
CN111473874A (en) * | 2020-05-28 | 2020-07-31 | 重庆市海辰仪表成套工程有限公司 | Heat-resistant explosion-proof temperature thermocouple structure |
CN111473874B (en) * | 2020-05-28 | 2021-08-13 | 重庆市海辰仪表成套工程有限公司 | Heat-resistant explosion-proof temperature thermocouple structure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |