CN206787732U - A kind of two-tube compensation electromechanical integration temperature instrumentation - Google Patents
A kind of two-tube compensation electromechanical integration temperature instrumentation Download PDFInfo
- Publication number
- CN206787732U CN206787732U CN201720082425.0U CN201720082425U CN206787732U CN 206787732 U CN206787732 U CN 206787732U CN 201720082425 U CN201720082425 U CN 201720082425U CN 206787732 U CN206787732 U CN 206787732U
- Authority
- CN
- China
- Prior art keywords
- temperature
- main
- compensation
- spring pipe
- arm group
- 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
Links
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
A kind of two-tube compensation electromechanical integration temperature instrumentation, center arbor including meter housing and in meter housing, temperature scale disk, pointer, main temperature measuring mechanism and main spring pipe, the middle part fixed cover of the center arbor is equipped with gear, the left end of the main temperature measuring mechanism is provided with tooth-shape structure, the tooth-shape structure engages with the gear, the right-hand member of the main temperature measuring mechanism is provided with the first kidney slot, the left end of the master connecting-rod is provided with the first pin, first guide is in first kidney slot, the right-hand member of the right-hand member of the master connecting-rod and the main spring pipe is hinged, the temperature instrumentation also includes for sense ambient temperature changing and driving the counter-rotational ambient temperature compensation device of main temperature measuring mechanism, the ambient temperature compensation device includes compensation mechanism, counterbalance spring pipe and slave connecting rod.The utility model provide it is a kind of effectively avoid the influence of variation of ambient temperature, precision are higher, dynamic property preferably two-tube compensation electromechanical integration temperature instrumentation.
Description
Technical field
The utility model belongs to thermometric instrument field, more particularly, to a kind of two-tube compensation electromechanical integration temperature measurer
Table.
Background technology
Fluid pressure formula thermometer is widely used in machinery industries such as steam turbine, generator, air blower, compressor, same
When be widely used in electronics, electric power, chemical industry, oil, metallurgy, shipbuilding industry.It is continuously increased with the occasion of practical application,
Thermometric environment is further severe, and there is higher requirement in market to the reliability and operation terseness of pressure type thermometric instrument, thus
Stability is good, the mechanical thermometric instrument of strong antijamming capability is as the main temperature measuring device under the more occasion of interference signal.And
Common pressure type thermometric instrument is affected by the ambient temperature in remote temperature measurement so that gauge internal in actual applications
Producing extra pressure causes measurement error, and therefore, the error research for mechanical thermometric instrument is to realize essence under adverse circumstances
The important process of true thermometric.
The temperature-measuring range of pressure type thermometric instrument is -80~600 DEG C.Conventional pressure formula thermometric instrument feature performance benefit has：(1)
It is simple in construction, it is cheap；(2) high mechanical strength, good anti-vibration and does not need extra power；(3) its convenient reading is clearly believed
Number can be with teletransmission.Defect has：(1) measurement accuracy is influenceed by variation of ambient temperature, and precision is relatively low；(2) thermal inertia compared with
Greatly, dynamic property is poor, and the hysteresis of indicating value is larger, is not easy to measure vertiginous temperature.
The content of the invention
In order to overcome, existing pressure type thermometric instrument is easily influenceed by variation of ambient temperature, precision is relatively low, dynamic
Can poor deficiency, the utility model provide it is a kind of effectively avoid the influence of variation of ambient temperature, precision be higher, dynamic property compared with
Good two-tube compensation electromechanical integration temperature instrumentation.
Technical scheme is used by the utility model solves its technical problem：
A kind of two-tube compensation electromechanical integration temperature instrumentation, including meter housing and the center machine in meter housing
Axle, temperature scale disk, pointer, main temperature measuring mechanism and main spring pipe, the center arbor are rotatably arranged in meter housing
At the heart, the front end of the center arbor passes through temperature scale disk, and the pointer is located at the front side of the temperature scale disk and it is right
End is fixedly connected with the front end of center arbor, and the temperature scale line on temperature scale disk is pointed in the front end of the pointer, in described
The middle part fixed cover of scheming axle is equipped with gear, and the gear is located at the rear side of the temperature scale disk, and the main temperature measuring mechanism is V
Type, the left end of the main temperature measuring mechanism are provided with tooth-shape structure, and the tooth-shape structure engages with the gear, the main temperature measuring mechanism
Right-hand member be provided with the first kidney slot, the left end of master connecting-rod is provided with the first pin, first guide in first kidney slot,
The right-hand member of the right-hand member of the master connecting-rod and the main spring pipe is hinged, and the main spring pipe is circular arc, and thermometer bulb passes through main capillary
Pipe is connected with the left end of the main spring pipe, and the temperature instrumentation also includes for sense ambient temperature changing and driving main thermometric
The counter-rotational ambient temperature compensation device of mechanism, the ambient temperature compensation device include compensation mechanism, counterbalance spring pipe and
Slave connecting rod, the compensation mechanism are located at the front side of the gear, and the middle part of the compensation mechanism is rotatably arranged on center machine
On axle, the right-hand member of the compensation mechanism is provided with connecting lever, the middle right part of the end of the connecting lever and the main temperature measuring mechanism it is be hinged and
Its pin joint position rotating fulcrum, the left end of the compensation mechanism are hinged with the second kidney slot, and the counterbalance spring pipe is positioned at described
The inner side of main spring pipe, the left end of the counterbalance spring pipe and the left end of slave connecting rod are hinged, and have on the right-hand member of the slave connecting rod
Two pins, second guide is in second kidney slot, and the right-hand member of the counterbalance spring pipe is by compensating capillary and institute
State thermometer bulb connection；
The counterbalance spring pipe is also circular arc, the breach direction of the counterbalance spring pipe and the breach of the main spring pipe
In the opposite direction.
Further, the temperature instrumentation also includes aviation plug, and thermal resistance passes through resistance capillary and the aviation plug
Connection, the aviation plug are located at the junction of instrument board, and the thermometer bulb is located at the front end of temperature probe, and the thermal resistance is located at
The front end of temperature probe, the aviation plug are connected with temperature indicating device.
Further, the temperature instrumentation also includes hairspring, and the inner of the hairspring is fixed on the arbor of center, the trip
The outer end of silk is fixed on the left end of the compensation mechanism.
Further, the internal diameter of the main spring pipe is more than the internal diameter of the counterbalance spring pipe, and the main spring pipe is with mending
It is in 3/4 arc-shaped to repay bourdon tube.
Further, the temperature instrumentation also includes installing arm group, and the installing arm group includes small installing arm group and big peace
Arm group is filled, the small installing arm group is located in the big installing arm group, and the big installing arm group is located in the counterbalance spring pipe,
The big installing arm group is fixed on the trailing flank of meter housing by firm banking, and the center machine axle position is in small installing arm group
And be rotatably arranged in big installing arm group, it is provided with interstage sleeve between the small installing arm group and the big installing arm group.
The beneficial effects of the utility model are mainly manifested in：When the temperature instrumentation works, by ambient temperature compensation device pin
Change to environment temperature is made a response, and is reduced influence of the environment temperature to measurement, is improved sensitivity and measurement accuracy, together
When improve dynamic property, make the temperature indicating value of temperature scale disk rapid, easily measure vertiginous temperature.
Brief description of the drawings
Fig. 1 is two-tube compensation electromechanical integration temperature instrumentation structural representation.
Fig. 2 is structural representations of the Fig. 1 in the meter housing under upward view.
Fig. 3 is main temperature measuring mechanism and the connection diagram of compensation mechanism.
Fig. 4 is the connection diagram of main temperature measuring mechanism and center arbor.
Fig. 5 is the structural representation of main temperature measuring mechanism.
Fig. 6 is Fig. 5 sectional view.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
1~Fig. 6 of reference picture, a kind of two-tube compensation electromechanical integration temperature instrumentation, including meter housing and installed in instrument
Center arbor 10, temperature scale disk 1, pointer 4, main temperature measuring mechanism 16 and main spring pipe 14 in watchcase, the center arbor 10
Rotatable to be arranged at the center of meter housing 15, the front end of the center arbor 10 passes through temperature scale disk 1, the pointer 4
It is fixedly connected positioned at the front side of the temperature scale disk 1 and its right-hand member with the front end of center arbor 10, the front end of the pointer 4 refers to
To the temperature scale line on temperature scale disk 1, the middle part fixed cover of the center arbor 10 is equipped with gear 13, the gear 13
Positioned at the rear side of the temperature scale disk 1, the main temperature measuring mechanism 16 is V-type, and the left end of the main temperature measuring mechanism 16 is provided with tooth
Shape structure, the tooth-shape structure engage with the gear 13, and the right-hand member of the main temperature measuring mechanism 16 is provided with the first kidney slot, main company
The left end of bar 3 is provided with the first pin, first guide in first kidney slot, the right-hand member of the master connecting-rod 3 with it is described
The right-hand member of main spring pipe is hinged, and the main spring pipe 14 is circular arc, and thermometer bulb 8 passes through main capillary and the main spring pipe 14
Left end connection, the temperature instrumentation also include change for sense ambient temperature and drive the counter-rotational ring of main temperature measuring mechanism
Border temperature compensation means, the ambient temperature compensation device include compensation mechanism 5, counterbalance spring pipe 12 and slave connecting rod 6, the benefit
The front side that mechanism 12 is located at the gear 13 is repaid, the middle part of the compensation mechanism 5 is rotatably arranged on center arbor 10,
The right-hand member of the compensation mechanism 5 is provided with connecting lever, and the middle right part of the end of the connecting lever and the main temperature measuring mechanism is be hinged and it cuts with scissors
Contact position rotating fulcrum, the left end of the compensation mechanism 5 are hinged with the second kidney slot, and the counterbalance spring pipe 12 is located at the master
The inner side of bourdon tube 14, the left end of the left end and slave connecting rod 6 of the counterbalance spring pipe 12 are hinged, on the right-hand member of the slave connecting rod 6
There is the second pin, second guide is in second kidney slot, and the right-hand member of the counterbalance spring pipe 12 is by compensating capillary
Pipe is connected with the thermometer bulb 8；
The counterbalance spring pipe 12 is also circular arc, the breach direction of the counterbalance spring pipe 12 and the main spring pipe 14
Breach it is in opposite direction, both bourdon tube breach are in the opposite direction so as to realizing the driving direction of compensation direction and main temperature measuring mechanism 16
Conversely.
Further, the temperature instrumentation also includes aviation plug 7, and thermal resistance 9 is inserted by resistance capillary and the aviation
First 7 connection, the aviation plug 7 are located at the junction of instrument board, and the thermometer bulb is located at the front end of temperature probe, the thermal resistance
9 are located at the front end of temperature probe, and the aviation plug 7 is connected with temperature indicating device.
Further, the temperature instrumentation also includes hairspring 2, and the inner of the hairspring 2 is fixed on center arbor 10, institute
The outer end for stating hairspring 2 is fixed on the left end of the compensation mechanism 5, and the effect of the hairspring 2 is to eliminate gear backlash to produce
Raw transmission idle running.
Further, the internal diameter of the main spring pipe is more than the internal diameter of the counterbalance spring pipe, and the main spring pipe is with mending
It is in 3/4 arc-shaped to repay bourdon tube.
Further, the temperature instrumentation also includes installing arm group 11, the installing arm group 11 include small installing arm group and
Big installing arm group, the small installing arm group are located in the big installing arm group, and the big installing arm group is located at the counterbalance spring
In pipe 12, the big installing arm group is fixed on by firm banking 18 on the trailing flank of meter housing 15, the center arbor 10
In in small installing arm group and being rotatably arranged in big installing arm group, between the small installing arm group and the big installing arm group
Provided with interstage sleeve 17.
In the present embodiment, direction of rotation of the pointer 4 in the case where compensation mechanism 5 actively drives in main temperature measuring mechanism 16 with leading
Direction of rotation under dynamic drive is opposite；Capillary 19 includes main capillary, compensation capillary and resistance capillary.
As shown in figure 1, the left end of the main temperature measuring mechanism 16 with engaging for gear 13 by driving the center arbor 10
Linkage, the right side of the compensation mechanism 5 drive main temperature measuring mechanism 16 to be reversely rotated so as to drive center arbor 10 by connecting lever
Opposite direction links, and the counterbalance spring pipe 12 is located in main spring pipe 14 similar in appearance to main spring pipe 14, the counterbalance spring pipe 12
Side.
The course of work of the present utility model is：When probe is put into testee, thermometer bulb 8 experiences temperature change,
Temperature-sensitive pressure medium changes in closed system, is delivered to by main capillary in main spring pipe 14, the pipe of main spring pipe 14
Wall bears to be changed by measuring pressure, the curvature of main spring pipe 14, and the left end of main spring pipe 14 is that free end produces displacement, so as to
So that the right-hand member of main spring pipe 14 also and then produces certain displacement, so as to drive main temperature measuring mechanism 16 to carry out by master connecting-rod 3
Rotation, and then the tooth-shape structure band moving gear 13 in main temperature measuring mechanism 16, gear 13 drive pointer 4 to be rotated, displacement are become
For temperature indicating value；When environment temperature cause compensation capillary in temperature-sensitive pressure medium change, be then passed to counterbalance spring
In pipe 12, the tube wall of counterbalance spring pipe 12 bears to be changed by measuring pressure, the curvature of counterbalance spring pipe 12, counterbalance spring pipe 12
Right-hand member is that free end produces displacement, and the left end of counterbalance spring pipe 12 also produces certain displacement therewith, so as to pass through the band of slave connecting rod 6
Dynamic compensation mechanism is rotated, and compensation mechanism 5 is reversely rotated winner's temperature measuring mechanism 16 by connecting lever and rotating fulcrum, from
And the tooth-shape structure band moving gear 13 in main temperature measuring mechanism 16, gear 13 drive pointer 4 to be reversely rotated to realize compensation；Heat
Resistance 9 is shown because testee temperature change, self-resistance change by the secondary meter being connected with aviation plug 7
Show dut temperature.
Claims (5)
1. a kind of two-tube compensation electromechanical integration temperature instrumentation, including meter housing and the center machine in meter housing
Axle, temperature scale disk, pointer, main temperature measuring mechanism and main spring pipe, the center arbor are rotatably arranged in meter housing
At the heart, the front end of the center arbor passes through temperature scale disk, and the pointer is located at the front side of the temperature scale disk and it is right
End is fixedly connected with the front end of center arbor, and the temperature scale line on temperature scale disk is pointed in the front end of the pointer, in described
The middle part fixed cover of scheming axle is equipped with gear, and the gear is located at the rear side of the temperature scale disk, and the main temperature measuring mechanism is V
Type, the left end of the main temperature measuring mechanism are provided with tooth-shape structure, and the tooth-shape structure engages with the gear, the main temperature measuring mechanism
Right-hand member be provided with the first kidney slot, the left end of master connecting-rod is provided with the first pin, first guide in first kidney slot,
The right-hand member of the right-hand member of the master connecting-rod and the main spring pipe is hinged, and the main spring pipe is circular arc, and thermometer bulb passes through main capillary
Pipe is connected with the left end of the main spring pipe, it is characterised in that：The temperature instrumentation also includes being used for sense ambient temperature change
And drive the counter-rotational ambient temperature compensation device of main temperature measuring mechanism, the ambient temperature compensation device include compensation mechanism,
Counterbalance spring pipe and slave connecting rod, the compensation mechanism are located at the front side of the gear, and the middle part of the compensation mechanism is rotatable
On the arbor of center, the right-hand member of the compensation mechanism is provided with connecting lever, the end of the connecting lever and the main temperature measuring mechanism
Middle right part is be hinged and its pin joint position rotating fulcrum, the left end of the compensation mechanism are hinged with the second kidney slot, the compensation bullet
Reed pipe is located at the inner side of the main spring pipe, and the left end of the counterbalance spring pipe and the left end of slave connecting rod are hinged, the slave connecting rod
Right-hand member on have the second pin, for second guide in second kidney slot, the right-hand member of the counterbalance spring pipe passes through benefit
Capillary is repaid to be connected with the thermometer bulb；
The counterbalance spring pipe is also circular arc, the breach direction of the counterbalance spring pipe and the breach direction of the main spring pipe
Conversely.
A kind of 2. two-tube compensation electromechanical integration temperature instrumentation as claimed in claim 1, it is characterised in that：The temperature measurer
Table also includes aviation plug, and thermal resistance is connected by resistance capillary with the aviation plug, and the aviation plug is located at instrument
The junction of disk, the thermometer bulb are located at the front end of temperature probe, and the thermal resistance is located at the front end of temperature probe, and the aviation is inserted
Head is connected with temperature indicating device.
A kind of 3. two-tube compensation electromechanical integration temperature instrumentation as claimed in claim 1 or 2, it is characterised in that：The survey
Warm instrument also includes hairspring, and the inner of the hairspring is fixed on the arbor of center, and the outer end of the hairspring is fixed on the compensation
On the left end of mechanism.
A kind of 4. two-tube compensation electromechanical integration temperature instrumentation as claimed in claim 1 or 2, it is characterised in that：The master
The internal diameter of bourdon tube is more than the internal diameter of the counterbalance spring pipe, the main spring pipe and the arc-shapeds of counterbalance spring Guan Juncheng 3/4.
A kind of 5. two-tube compensation electromechanical integration temperature instrumentation as claimed in claim 1 or 2, it is characterised in that：The survey
Warm instrument also includes installing arm group, and the installing arm group includes small installing arm group and big installing arm group, the small installing arm group position
In in the big installing arm group, the big installing arm group is located in the counterbalance spring pipe, and the big installing arm group passes through fixation
Base is fixed on the trailing flank of meter housing, and the center machine axle position is in small installing arm group and rotatably installed in big installation
In arm group, interstage sleeve is provided between the small installing arm group and the big installing arm group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720082425.0U CN206787732U (en) | 2017-01-20 | 2017-01-20 | A kind of two-tube compensation electromechanical integration temperature instrumentation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720082425.0U CN206787732U (en) | 2017-01-20 | 2017-01-20 | A kind of two-tube compensation electromechanical integration temperature instrumentation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206787732U true CN206787732U (en) | 2017-12-22 |
Family
ID=60704855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720082425.0U Expired - Fee Related CN206787732U (en) | 2017-01-20 | 2017-01-20 | A kind of two-tube compensation electromechanical integration temperature instrumentation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206787732U (en) |
-
2017
- 2017-01-20 CN CN201720082425.0U patent/CN206787732U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2079069A (en) | Pressure responsive device | |
| CN106289769B (en) | The test method of the test device of manual transmission gear backlash | |
| CN206787732U (en) | A kind of two-tube compensation electromechanical integration temperature instrumentation | |
| CN207515860U (en) | Hidden type temperature compensation membrane type gas meter movement | |
| CN205228659U (en) | Self -adaptation changes in ambient temperature's mechatronic temperature instrument | |
| CN209356078U (en) | One kind can 90 ° of adjusting thermometers | |
| CN202083498U (en) | High-precision pressure gauge with temperature compensation function | |
| CN111102899A (en) | Three-pin shaft indexing gauge | |
| CN214095927U (en) | Fiber grating displacement sensor of gear mechanical linkage | |
| US3209595A (en) | Combined temperature and pressure sensing apparatus | |
| CN105424206A (en) | Electromechanical integrated temperature instrument with function of adaptive environment temperature change | |
| CN108254115A (en) | A kind of cycloidal pin teeth engaging stress test device | |
| CN207779600U (en) | A kind of cycloidal pin teeth engaging stress test device | |
| CN204043808U (en) | A kind of gas pressure type thermometer | |
| US9021855B2 (en) | Torsional flow sensor | |
| CN203337186U (en) | Isolated-measurement thermobarometer | |
| CN2112147U (en) | Moment instrument using spiral power spring | |
| US1565447A (en) | Dampening device for pressure gauges | |
| CN201152782Y (en) | Temperature display controller | |
| KR100186942B1 (en) | Perfect-compensation temperature-gauge using bourdon tube | |
| CN218239103U (en) | Large-volume concrete maximum internal and external temperature difference measuring instrument | |
| CN113607327B (en) | Bowden tube pressure gauge | |
| US2839942A (en) | Instruments | |
| CN209197975U (en) | A kind of high-precision pressure gauge based on thermal insulation principle | |
| US1518939A (en) | Compensated distance-type thermometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20210120 |