CN2161915Y - Liquid pressure type thermometer with self-compensating function for environmental temperature change - Google Patents
Liquid pressure type thermometer with self-compensating function for environmental temperature change Download PDFInfo
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- CN2161915Y CN2161915Y CN 93214364 CN93214364U CN2161915Y CN 2161915 Y CN2161915 Y CN 2161915Y CN 93214364 CN93214364 CN 93214364 CN 93214364 U CN93214364 U CN 93214364U CN 2161915 Y CN2161915 Y CN 2161915Y
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- kapillary
- spring pipe
- core base
- stiff end
- free end
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- 239000007788 liquid Substances 0.000 title claims abstract description 32
- 230000007613 environmental effect Effects 0.000 title description 4
- 239000012530 fluid Substances 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 8
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 4
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
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Abstract
The liquid pressure type thermometer with self-compensation function for ambient temperature change is mainly formed from machine core, machine core seat shaft, temperature measuring system and temperature compensation system, the fixed ends of working spring tube and compensation spring tube are fixed on the machine seat, and the free ends of working spring tube and compensation spring tube are respectively connected with machine core and machine core seat by means of connecting rod and regulating screw, so that the angular displacements respectively produced by central shaft of machine core and machine core seat, which are resulted from ambient temperature change, are identical in size and opposite in direction.
Description
The utility model belongs to fluid pressure formula thermometer, and especially the fluid pressure formula thermometer of variation of ambient temperature auto-compensation is applicable to and measures the big accurately occasion of measuring media temperature of various medium temperatures, particularly variation of ambient temperature.
Before the utility model was made, the fluid pressure formula thermometer of variation of ambient temperature auto-compensation adopted structure as shown in Figure 4 usually.It comprises pointer, index dial, watchcase, thermometer bulb (1), kapillary (2), (15), the kapillary of filling liquid (3), set screw (5), connecting rod (6), movement (7), working spring pipe (8), counterbalance spring pipe (9), support (16), brace (18), working spring pipe (8) has stiff end (4) and free end (10), counterbalance spring pipe (9) has free end (11) and stiff end (17), index dial, support (16) is fixed on the watchcase, the stiff end (17) of counterbalance spring pipe (9) is fixed on the support (16), the free end (11) of counterbalance spring pipe (9) is connected with the stiff end (4) of working spring pipe (8) by brace (18), the free end (10) of working spring pipe (8) is connected with movement (7) with connecting rod (6) by set screw (5), the central shaft of movement (7) drives pointer and rotates, movement (7) is fixed on the support (16), the stiff end (17) of counterbalance spring pipe (9) is connected with the kapillary (3) of kapillary (15) and filling liquid respectively, the stiff end (4) of working spring pipe (8) is connected with the kapillary (3) of kapillary (2) and filling liquid respectively, kapillary (2) is connected with thermometer bulb (1), and kapillary (2) is identical with the material of kapillary (15), internal diameter and length dimension equate.The principle of work of the thermometer of this structure is as follows: utilize liquid as the temperature-sensitive material, filling in the airtight temp measuring system that thermometer bulb (1), kapillary (2), working spring pipe (8) are formed, simultaneously also filling in the airtight temperature-compensated system that kapillary (15), counterbalance spring pipe (9) are formed.When the liquid in the thermometer bulb (1) is subjected to the measured medium temperature action, airtight temp measuring system also is subjected to effect of environmental temperature simultaneously, pressure in this airtight temp measuring system changes, make the curved transition of working spring pipe (8), and its free end (10) is moved, meanwhile, liquid in counterbalance spring pipe (9) and the kapillary (15) is under effect of environmental temperature, pressure in the airtight temperature-compensated system changes, make the curved transition of counterbalance spring pipe (9), and its free end (11) is moved, because the free end (11) of counterbalance spring pipe (9) connects together with the stiff end (4) of working spring pipe (8), so the stiff end (4) of working spring pipe (8) drives its free end (10) again and moves towards the original reverse direction that moves, the free end (10) of working spring pipe (8) is connected movement (7) with connecting rod (6) by set screw (5) fan tooth drives pointer towards the original reverse direction rotating certain angle that moves by central shaft, the temperature value that directly shows measured medium on index dial compensates like this because the error that the variation of environment temperature causes.
There is following shortcoming in the fluid pressure formula thermometer of this structure: one, when the operating characteristic of working spring pipe (8) and counterbalance spring pipe (9) not simultaneously, because the displacement of counterbalance spring pipe (9) can not be regulated during debugging, so their displacement is unequal when variation of ambient temperature; Two, when the operating characteristic of working spring pipe (8) and counterbalance spring pipe (9) is identical, because the free end (11) of counterbalance spring pipe (9) is subjected to the drag effect of the kapillary (2) that the stiff end (4) of working spring pipe (8) connected, hindered the moving of free end (11) of counterbalance spring pipe (9), so working spring pipe (8) is unequal by the displacement that variation of ambient temperature causes with counterbalance spring pipe (9); Three, when variation of ambient temperature, the displacement orientation of the displacement orientation of the free end (10) of working spring pipe (8) and the free end (11) of counterbalance spring pipe (9) is inconsistent.Above-mentioned these shortcomings all can cause error, thereby fluid pressure formula thermometer temperature measurement accuracy when environment temperature changes of this structure is lower.
Task of the present utility model is to overcome the deficiencies in the prior art, provides a kind of and is skillfully constructed, the fluid pressure formula thermometer of rational in infrastructure, variation of ambient temperature auto-compensation that temperature measurement accuracy is high.
The fluid pressure formula thermometer of variation of ambient temperature auto-compensation, it comprises pointer, index dial, watchcase, thermometer bulb (1), kapillary (2), (15), the kapillary of filling liquid (3), set screw (5), connecting rod (6), movement (7), working spring pipe (8), counterbalance spring pipe (9), support (16), working spring pipe (8) has stiff end (4) and free end (10), counterbalance spring pipe (9) has free end (11) and stiff end (17), index dial, support (16) is fixed on the watchcase, the free end (10) of working spring pipe (8) is connected with the fan tooth of connecting rod (6) with movement (7) by set screw (5), the stiff end (4) of working spring pipe (8) is connected with the kapillary (3) of kapillary (2) and filling liquid respectively, kapillary (2) is connected with thermometer bulb (1), working spring pipe (8), kapillary (2), thermometer bulb (1), the airtight temp measuring system of the common formation of kapillary of filling liquid (3) and thermometric liquid, the stiff end (17) of counterbalance spring pipe (9) is fixed on the support (16), the stiff end (17) of counterbalance spring pipe (9) is connected with the kapillary (3) of kapillary (15) and filling liquid respectively, counterbalance spring pipe (9), kapillary (15), the airtight temperature-compensated system of the common formation of kapillary of filling liquid (3) and thermometric liquid, kapillary (2) is identical with kapillary (15) material, internal diameter and length dimension equate, it is characterized in that it also contains core base (12), connecting rod (13), set screw (14), core base axle (19), the stiff end (4) of working spring pipe (8) is fixed on the support (16), the free end (11) of counterbalance spring pipe (9) is connected with core base (12) with connecting rod (13) by set screw (14), movement (7) is fixed on can be on the core base (12) that core base axle (19) rotates, the central shaft of this movement (7) drives pointer and rotates, and core base (12) is connected with watchcase by core base axle (19).Have the straight trough radially that set screw (14) is set on the core base (12).
Fig. 1 is a kind of structural representation of the present utility model;
Fig. 2 is the structural representation of a kind of temp measuring system of the present utility model;
Fig. 3 is the structural representation of a kind of temperature-compensated system of the present utility model;
Fig. 4 is the prior art constructions synoptic diagram.
1--thermometer bulb wherein, the 2--kapillary, the kapillary of 3--filling liquid, the stiff end of 4--working spring pipe (8), 5--set screw, the 6--connecting rod, the 7-movement, 8--working spring pipe, 9--counterbalance spring pipe, the free end of 10--working spring pipe (8), the free end of 11--counterbalance spring pipe (9), 12--core base, 13--connecting rod, the 14--set screw, the 15--kapillary, 16--support, the stiff end of 17--counterbalance spring pipe (9), the 18--brace, 19--core base axle.
Principle of work of the present utility model and embodiment are: the fluid pressure formula thermometer of variation of ambient temperature auto-compensation, it comprises pointer, index dial, thermometer bulb (1), kapillary (2), (15), the kapillary of filling liquid (3), set screw (5), connecting rod (6), movement (7), working spring pipe (8), counterbalance spring pipe (9), core base (12), connecting rod (13), set screw (14), support (16), core base axle (19), working spring pipe (8) has stiff end (4) and free end (10), counterbalance spring pipe (9) has free end (11) and stiff end (17), index dial, support (16) is fixed on the watchcase, the stiff end (4) of working spring pipe (8) and the stiff end (17) of counterbalance spring pipe (9) are fixed on the support (16), kapillary (2) is identical with the material of kapillary (15), internal diameter and length dimension equate, the stiff end (4) of working spring pipe (8) is connected with the kapillary (3) of kapillary (2) and filling liquid respectively, kapillary (2) is connected with thermometer bulb (1), make working spring pipe (8) and kapillary (2), the kapillary (3) of thermometer bulb (1) and filling liquid is communicated with, the airtight temp measuring system that is full of temperature sensing liquid of common formation, the stiff end (17) of counterbalance spring pipe (9) is connected with the kapillary (3) of kapillary (15) and filling liquid respectively, counterbalance spring pipe (9) is communicated with the kapillary (3) of kapillary (15) and filling liquid, constitute the airtight temperature-compensated system that is full of temperature sensing liquid, the free end (10) of working spring pipe (8) is connected with the fan tooth of connecting rod (6) with movement (7) by set screw (5), the free end (11) of counterbalance spring pipe (9) is connected with core base (12) with connecting rod (13) by set screw (14), movement (7) is fixed on can be on the core base (12) that core base axle (19) rotates, the central shaft of this movement (7) drives pointer and rotates, and core base (12) is connected with watchcase by core base axle (19).Have the straight trough radially that set screw (14) is set on the core base (12), during debugging, can pass through set screw (14) and regulate position in the straight trough of end on core base (12) of connecting rod (13), adjust the angle that core base (12) rotates, the angular displacement equal and opposite in direction that the central shaft of core base (12) that variation of ambient temperature causes and movement (7) is produced respectively, direction is opposite.Its principle of work is: when the liquid in the thermometer bulb (1) is subjected to the measured medium temperature action, airtight temp measuring system also is subjected to effect of environmental temperature simultaneously, pressure in it changes, make the curved transition of working spring pipe (8), and its free end (10) is moved, the free end (10) of working spring pipe (8) turns an angle by the central shaft that set screw (5) and connecting rod (6) drive movement (7), meanwhile, liquid in counterbalance spring pipe (9) and the kapillary (15) is under the effect of environment temperature, pressure in the airtight temperature-compensated system changes, make the curved transition of counterbalance spring pipe (9), and the free end (11) of counterbalance spring pipe (9) is moved, the free end (11) of counterbalance spring pipe (9) drives core base (12) by set screw (14) and connecting rod (13) and rotates identical angle in the same way around core base axle (19), meanwhile, core base (12) makes the central shaft of movement (7) drive pointer and rotates identical angle towards the reverse direction of original rotation, and the error that causes of variation of ambient temperature is all compensated like this.The central shaft of movement (7) drives pointer and rotates, and directly shows the temperature value of measured medium on index dial.
The utility model is fixed on the stiff end (17) of stiff end of working spring pipe (8) (4) and counterbalance spring pipe (9) on the support (16), the free end (10) of working spring pipe (8) and the free end (11) of counterbalance spring pipe (9) with connecting rod (13) and set screw (14) respectively with can be connected with core base (12) around the movement (7) that core base axle (19) rotates, make the central shaft of the movement (7) that variation of ambient temperature causes, the angular displacement equal and opposite in direction that core base (12) produces respectively, direction is opposite, effectively solved of the self compensation of fluid pressure formula thermometer to variation of ambient temperature, improve the measuring accuracy of this thermometer, also opened up its application simultaneously.The utility model can be a large amount of be applicable, substitute and to use wider evaporating pressure formula thermometer and gas pressure-type thermometer in the market.Compared with prior art, the utility model is rational in infrastructure, and compensation rate is adjustable, the measuring accuracy height, and applied range has big implementary value and economic results in society.
Claims (2)
1, a kind of fluid pressure formula thermometer of variation of ambient temperature auto-compensation, it comprises pointer, index dial, watchcase, thermometer bulb (1), kapillary (2), (15), the kapillary of filling liquid (3), set screw (5), connecting rod (6), movement (7), working spring pipe (8), counterbalance spring pipe (9), support (16), working spring pipe (8) has stiff end (4) and free end (10), counterbalance spring pipe (9) has free end (11) and stiff end (17), index dial, support (16) is fixed on the watchcase, the free end (10) of working spring pipe (8) is connected with the fan tooth of connecting rod (6) with movement (7) by set screw (5), the central shaft of movement (7) drives pointer and rotates, the stiff end (4) of working spring pipe (8) is connected with the kapillary (3) of kapillary (2) and filling liquid respectively, kapillary (2) is connected with thermometer bulb (1), working spring pipe (8), kapillary (2), thermometer bulb (1), the airtight temp measuring system of the common formation of kapillary of filling liquid (3) and thermometric liquid, the stiff end (17) of counterbalance spring pipe (9) is fixed on the support (16), the stiff end (17) of counterbalance spring pipe (9) is connected with the kapillary (3) of kapillary (15) and filling liquid respectively, counterbalance spring pipe (9), kapillary (15), the airtight temperature-compensated system of the common formation of kapillary of filling liquid (3) and thermometric liquid, kapillary (2) is identical with kapillary (15) material, internal diameter and length dimension equate, it is characterized in that it also contains core base (12), connecting rod (13), set screw (14), core base axle (19), the stiff end (4) of working spring pipe (8) is fixed on the support (16), the free end (11) of counterbalance spring pipe (9) is connected with core base (12) with connecting rod (13) by set screw (14), movement (7) is fixed on can be on the core base (12) that core base axle (19) rotates, and core base (12) is connected with watchcase by core base axle (19).
2, fluid pressure formula thermometer as claimed in claim 1 is characterized in that having on the core base (12) the radially straight trough that set screw (14) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93214364 CN2161915Y (en) | 1993-05-27 | 1993-05-27 | Liquid pressure type thermometer with self-compensating function for environmental temperature change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93214364 CN2161915Y (en) | 1993-05-27 | 1993-05-27 | Liquid pressure type thermometer with self-compensating function for environmental temperature change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2161915Y true CN2161915Y (en) | 1994-04-13 |
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ID=33795175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93214364 Expired - Fee Related CN2161915Y (en) | 1993-05-27 | 1993-05-27 | Liquid pressure type thermometer with self-compensating function for environmental temperature change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2161915Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424206A (en) * | 2015-11-23 | 2016-03-23 | 浙江工业大学 | Electromechanical integrated temperature instrument with function of adaptive environment temperature change |
-
1993
- 1993-05-27 CN CN 93214364 patent/CN2161915Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105424206A (en) * | 2015-11-23 | 2016-03-23 | 浙江工业大学 | Electromechanical integrated temperature instrument with function of adaptive environment temperature change |
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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 |