CN209485555U - A kind of thermo bimetal's thermometer structure - Google Patents
A kind of thermo bimetal's thermometer structure Download PDFInfo
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- CN209485555U CN209485555U CN201920329762.4U CN201920329762U CN209485555U CN 209485555 U CN209485555 U CN 209485555U CN 201920329762 U CN201920329762 U CN 201920329762U CN 209485555 U CN209485555 U CN 209485555U
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- ring set
- heat
- metal column
- shell
- conducting metal
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Abstract
The utility model discloses a kind of thermo bimetal's thermometer structures, including shell, heat-conducting metal column is fixed in shell, ring set is equipped in shell, ring set is coaxially placed on outside heat-conducting metal column, multiple thrermostatic bimetal-plates are fixedly connected between ring set and heat-conducting metal column, the bending direction of multiple thrermostatic bimetal-plates is identical, the rotation detecting device of detection ring set rotation is additionally provided in shell, hull outside is connected with instrument board, instrument panel surface is embedded with display, signal acquisition module is equipped in instrument board, processor module, rotation detecting device is electrically connected by signal acquisition module with processor module, processor module is also electrically connected with display.The utility model improves whole measurement accuracy and sensitivity.
Description
Technical field
The utility model relates to temperature instrumentation field, specifically a kind of thermo bimetal's thermometer structure.
Background technique
Bimetallic is called thermo bimetal, is fixed integrally by active layers metal, passive layer metal-clad, actively
Layer, the thermal expansion coefficient of passive layer are different, and active layers are bent to passive layer and generate displacement when measuring temperature.Prior art bimetallic
By mechanical transmission mechanism inside thermometer, the bending displacement of bimetal leaf is converted to the rotation of pointer, and then referred to by pointer
Temperature displaying function, the bimetallic thermometer of this structure exist since mechanical transmission mechanism itself has transmission and rigging error
The problem of precision is low and poor sensitivity.
Utility model content
The purpose of the utility model is to provide a kind of thermo bimetal's thermometer structures, to solve prior art bi-metal temperature
The problem of counting low precision and poor sensitivity.
In order to achieve the above object, the technology employed by the present utility model is
A kind of thermo bimetal's thermometer structure, it is characterised in that: including shell, heat-conducting metal column is fixed in shell, is led
Thermometal column axial ends is pierced by from shell respective side respectively, and ring set is equipped in shell, and the ring set is coaxially placed on heat-conducting metal
Outside column, and multiple thrermostatic bimetal-plates are fixedly connected between ring set inner wall and heat-conducting metal column, multiple thrermostatic bimetal-plate sizes, knot
Structure, material are identical, and each thrermostatic bimetal-plate is radially connected between ring set and heat-conducting metal column respectively, multiple thrermostatic bimetal-plates
It is uniformly distributed in spoke-like, and the bending direction of multiple thrermostatic bimetal-plates is identical, turning for detection ring set rotation is additionally provided in shell
Motion detection device, hull outside are connected with instrument board, and instrument panel surface is embedded with display, is equipped with signal acquisition mould in instrument board
Block, processor module, signal acquisition module input are electrically connected with rotation detecting device, signal acquisition module output and processor die
Block electrical connection, processor module are also electrically connected with display.
A kind of thermo bimetal's thermometer structure, it is characterised in that: the rotation detecting device includes being fixed on ring
The light source in body is covered, the optical axis of light source is parallel to ring set axial direction, and the light exit side of light source is pierced by from ring set axial direction side, shell
Interior to be equipped with grating disc, light sensing face, grating disc is coaxially fixedly sheathed on heat-conducting metal column, and grating disc side disk is towards light
The light exit side in source, light sensing face are coaxially fixed on heat-conducting metal column and are located at the grating disc other side, and light sensing face is adopted with signal
Collect module input electrical connection, light source emergent light is incident to light sensing face after grating disc.
A kind of thermo bimetal's thermometer structure, it is characterised in that: the ring set axial direction other side is coaxially connected with
Conductive plate, conductive plate, which rotates coaxially, to be installed on heat-conducting metal column, and conducting ring is also coaxially fixed on heat-conducting metal column, described to lead
Electric ring is in electrical contact always with conductive plate, and the light source in ring set is electrically connected by conducting wire with conductive plate, is additionally provided in the instrument board
Power supply, power supply is by conducting wire for being electrically connected to conducting ring.
A kind of thermo bimetal's thermometer structure, it is characterised in that: the ring set outer ring surface and shell corresponding position
Ball composition is equipped between inner wall to be in rolling contact.
In the utility model, multiple thrermostatic bimetal-plates are connected between ring set and heat-conducting metal column, heat-conducting metal column both ends
It is pierced by the measurement end that shell is contacted with external determinand, therefore contacted at least one with external determinand, external determinand
Heat conduct to thrermostatic bimetal-plate, make multiple thrermostatic bimetal-plates be bent clockwise or counterclockwise, thus with moving ring sleeve turn
Dynamic, light source rotates with it when ring set rotates, so that by grating disc, different location leaves signal on light sensing face, due to temperature
There are corresponding relationships between ring set rotational angle caused by value, the bending of thrermostatic bimetal-plate, thrermostatic bimetal-plate are bent, therefore pass through
The temperature value of determinand can be obtained in the rotational angle of measurement ring set.The signal in light sensing face is acquired through signal acquisition module to place
Device is managed, corresponding temperature data is obtained after being handled by processor, temperature data is finally shown by display.
Compared with prior art, the utility model interior need not set complicated mechanical transmission mechanism, therefore reduce mechanical biography
The influence of dynamic error and rigging error, improves whole measurement accuracy and sensitivity.
Detailed description of the invention
Fig. 1 is the utility model structural main section view.
Fig. 2 is structure front view between the utility model ring set and heat-conducting metal column.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, a kind of thermo bimetal's thermometer structure, including shell 1 are fixed with heat-conducting metal in shell 1
Column 2,2 axial ends of heat-conducting metal column are pierced by from 1 respective side of shell respectively, and ring set 3 is equipped in shell 1, and ring set 3 is coaxially placed on and leads
Outside thermometal column 2, and multiple thrermostatic bimetal-plates 4 are fixedly connected between 3 inner wall of ring set and heat-conducting metal column 2, multiple double gold of heat
It is identical to belong to 4 size of piece, structure, material, each thrermostatic bimetal-plate 4 be radially connected to respectively ring set 3 and heat-conducting metal column 2 it
Between, multiple thrermostatic bimetal-plates 4 are uniformly distributed in spoke-like, and the bending direction of multiple thrermostatic bimetal-plates 4 is identical, in shell 1 also
Equipped with the rotation detecting device that detection ring set 3 rotates, it is connected with instrument board 5 on the outside of shell 1,5 surface of instrument board is embedded with display
Device 6, instrument board 5 is interior to be equipped with signal acquisition module 7, processor module 8, the input of signal acquisition module 7 and rotation detecting device electricity
Connection, the output of signal acquisition module 7 are electrically connected with processor module 8, and processor module 8 is also electrically connected with display 6.
Rotation detecting device includes the light source 9 being fixed in 3 body of ring set, and the optical axis of light source 9 is parallel to ring set 3 axially,
The light exit side of light source 9 is pierced by from the axial side of ring set 3, and grating disc 10, light sensing face 11 are equipped in shell 1, and grating disc 10 is same
Axis is fixedly sheathed on heat-conducting metal column 2, and 10 side disk of grating disc, towards the light exit side of light source 9, light sensing face 11 is same
Axis is fixed on heat-conducting metal column 2 and is located at 10 other side of grating disc, and light sensing face 11 is electrically connected with 7 input terminal of signal acquisition module
It connects, 9 emergent light of light source is incident to light sensing face 11 after grating disc 10.
The axial other side of ring set 3 is coaxially connected with conductive plate 12, and conductive plate 12, which rotates coaxially, is installed on heat-conducting metal column 2
On, conducting ring 13 is also coaxially fixed on heat-conducting metal column 2, conducting ring 13 is in electrical contact always with conductive plate 12, the light in ring set 3
Source 9 is electrically connected by conducting wire with conductive plate 12, and power supply 14 is additionally provided in instrument board 5, and power supply 14 is led by conducting wire for being electrically connected to
Electric ring 13.3 outer ring surface of ring set is equipped with the composition of ball 14 also between 1 corresponding position inner wall of shell and is in rolling contact.
Claims (4)
1. a kind of thermo bimetal's thermometer structure, it is characterised in that: including shell, heat-conducting metal column is fixed in shell, it is thermally conductive
Metal column axial ends is pierced by from shell respective side respectively, and ring set is equipped in shell, and the ring set is coaxially placed on heat-conducting metal column
Outside, and between ring set inner wall and heat-conducting metal column multiple thrermostatic bimetal-plates, multiple thrermostatic bimetal-plate sizes, knot are fixedly connected with
Structure, material are identical, and each thrermostatic bimetal-plate is radially connected between ring set and heat-conducting metal column respectively, multiple thrermostatic bimetal-plates
It is uniformly distributed in spoke-like, and the bending direction of multiple thrermostatic bimetal-plates is identical, turning for detection ring set rotation is additionally provided in shell
Motion detection device, hull outside are connected with instrument board, and instrument panel surface is embedded with display, is equipped with signal acquisition mould in instrument board
Block, processor module, signal acquisition module input are electrically connected with rotation detecting device, signal acquisition module output and processor die
Block electrical connection, processor module are also electrically connected with display.
2. a kind of thermo bimetal's thermometer structure according to claim 1, it is characterised in that: the rotation detecting device packet
Include the light source being fixed in ring set body, the optical axis of light source is parallel to ring set axial direction, and the light exit side of light source is from ring set axial one
Side is pierced by, and grating disc, light sensing face is equipped in shell, grating disc is coaxially fixedly sheathed on heat-conducting metal column, and grating disc one
Side panel facing towards the light exit side of light source, be coaxially fixed on heat-conducting metal column and positioned at the grating disc other side, light biography by light sensing face
Sense face is electrically connected with signal acquisition module input terminal, and light source emergent light is incident to light sensing face after grating disc.
3. a kind of thermo bimetal's thermometer structure according to claim 2, it is characterised in that: the ring set axial direction other side
It is coaxially connected with conductive plate, conductive plate, which rotates coaxially, to be installed on heat-conducting metal column, is also coaxially fixed with and is led on heat-conducting metal column
Electric ring, the conducting ring are in electrical contact always with conductive plate, and the light source in ring set is electrically connected by conducting wire with conductive plate, the instrument
Power supply is additionally provided in disk, power supply is by conducting wire for being electrically connected to conducting ring.
4. a kind of thermo bimetal's thermometer structure according to claim 1, it is characterised in that: the ring set outer ring surface and shell
Ball composition is equipped between body corresponding position inner wall to be in rolling contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329762.4U CN209485555U (en) | 2019-03-15 | 2019-03-15 | A kind of thermo bimetal's thermometer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920329762.4U CN209485555U (en) | 2019-03-15 | 2019-03-15 | A kind of thermo bimetal's thermometer structure |
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| CN209485555U true CN209485555U (en) | 2019-10-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974875A (en) * | 2019-03-15 | 2019-07-05 | 上海电仪仪器仪表有限公司 | A kind of thermo bimetal's thermometer structure |
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- 2019-03-15 CN CN201920329762.4U patent/CN209485555U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109974875A (en) * | 2019-03-15 | 2019-07-05 | 上海电仪仪器仪表有限公司 | A kind of thermo bimetal's thermometer structure |
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