CN209961304U - SMD material weight measuring device with temperature compensation function - Google Patents
SMD material weight measuring device with temperature compensation function Download PDFInfo
- Publication number
- CN209961304U CN209961304U CN201920901871.9U CN201920901871U CN209961304U CN 209961304 U CN209961304 U CN 209961304U CN 201920901871 U CN201920901871 U CN 201920901871U CN 209961304 U CN209961304 U CN 209961304U
- Authority
- CN
- China
- Prior art keywords
- welding
- elastic body
- wiring board
- temperature compensation
- measuring device
- 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.)
- Active
Links
Images
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
The utility model discloses a SMD material weight measuring device with temperature compensation function, including material storehouse, measuring instrument, SMD sensor and installation component, the material storehouse bottom is equipped with a plurality of support columns, and measuring instrument installs on the material storehouse, and SMD sensor passes through installation component fixed mounting on the support column; the patch type sensor comprises an elastic body, a resistance strain gauge, a thermistor, a wiring board, a protective shell and a five-core shielding wire; the elastic body is arranged in the protective shell, the resistance strain gauge and the thermistor are arranged in the elastic body, the wiring board is arranged on the outer surface of the elastic body, the resistance strain gauge and the thermistor are respectively and electrically connected with the wiring board, and the wiring board is connected with the measuring instrument through a five-core shielding wire. The utility model discloses an utilize material weight change in the material storehouse, arouse bearing structure to produce small deformation, measure material weight in the material storehouse.
Description
Technical Field
The utility model relates to a material weight measurement technical field, more specifically the SMD material weight measurement device with temperature compensation function that says so relates to.
Background
In the production process of concrete, accurate measurement of powder bins such as cement, fly ash and mineral powder is an important condition for ensuring normal production and timely supplementing materials.
The common methods for measuring materials in the silo comprise: conventional weighing methods, radar, ultrasonic level gauges, capacitance level gauges, weight level gauges, and the like. But is not ideal when being limited by measuring principle, installation and maintenance and other conditions. The conventional weighing method is complex to install, large-scale reconstruction such as leg cutting is needed, and the stock bin has overturning risk; the height of a certain point in a material measuring bin is easily influenced by wall hanging, bridging, dust and the like, the measurement is inaccurate, the installation needs climbing operation, and the safety cannot be guaranteed; the capacitance type charge level indicator is easily influenced by the dielectric constant of materials and has poor long-term stability; the problems of wire disorder, hammer burying and the like easily occur to the weight type charge level indicator.
The patch type material level measuring device overcomes the defects of the conventional methods, and is a relatively accurate and conveniently-installed weight measuring device for the distribution bin. The technology utilizes the change of the material level of the storage bin to cause the support structure to generate micro deformation so as to measure the material level of the storage bin. However, due to the change of illumination and air temperature, the support column of the storage bin expands with heat and contracts with cold, so that the patch deforms, and a measurement error is generated.
SUMMERY OF THE UTILITY MODEL
To the above defect, the utility model aims to provide a SMD material weight measuring device with temperature compensation function has realized the accurate measurement of material weight in the powder storehouse.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme: a patch type material weight measuring device with a temperature compensation function comprises a material bin, a measuring instrument, a patch type sensor and a mounting assembly, wherein a plurality of supporting columns are arranged at the bottom of the material bin; the patch type sensor comprises an elastic body, a resistance strain gauge, a thermistor, a wiring board, a protective shell and a five-core shielding wire; the elastic body is arranged in the protective shell, the resistance strain gauge and the thermistor are arranged on the surface of the elastic body, the wiring board is arranged on the outer surface of the elastic body, the resistance strain gauge and the thermistor are respectively and electrically connected with the wiring board, and the wiring board is connected with the measuring instrument through a five-core shielding wire.
Further, the installation component comprises two welding components, the back faces of the welding components are welded on the support columns, three screw holes are formed in the welding components, and the two welding components are longitudinally welded on the support columns according to preset intervals.
And the welding template is used for longitudinally welding the welding assembly on the support column according to a preset interval, the upper end and the lower end of the welding template are respectively provided with a through hole matched with the screw hole in the welding assembly, and the welding template is fixedly connected with the welding assembly through a positioning bolt.
Furthermore, the back of the welding assembly is an arc surface, and the front of the welding assembly is a plane.
Further, the upper end and the lower end of the elastic body are provided with mounting holes, the screw hole of each welding assembly comprises a positioning hole, the mounting hole distance is the same as the positioning hole distance, and the elastic body sequentially penetrates through the mounting holes and the positioning holes through bolts and then is fixedly connected to the welding assemblies.
Further, the inner diameter of the through hole is larger than the diameter of the screw of the positioning bolt.
Contrast prior art, the beneficial effects of the utility model reside in that: the utility model provides a SMD material weight measuring device with temperature compensation function utilizes material weight change in the material storehouse, arouses that bearing structure produces small deformation, measures material weight in the material storehouse. The utility model adopts a surface mount sensor and is fixedly arranged on the support column through the mounting component; the patch type sensor comprises an elastic body, a resistance strain gauge, a thermistor, a wiring board, a protective shell and a five-core shielding wire; the elastic body is arranged in the protective shell, the resistance strain gauge and the thermistor are arranged on the surface of the elastic body, the wiring board is arranged on the outer surface of the elastic body, the resistance strain gauge and the thermistor are respectively and electrically connected with the wiring board, and the wiring board is connected with the measuring instrument through a five-core shielding wire. And measuring the deformation quantity and the temperature of the sensor, and then calculating the standard deformation quantity according to the deformation temperature influence comparison table, thereby calculating the weight of the materials in the bin.
The mounting assembly comprises two welding assemblies, the welding assemblies are welded on the support column according to preset longitudinal intervals through the welding template, the mounting holes and the welding assembly screw holes of the patch type sensor are accurately positioned, the welding assemblies and the welding template are assembled together through positioning bolts before welding, the welding assemblies and the welding template are screwed up, after the assembly is completed, the whole body of the welding assemblies is tightly attached to preset positions on the material bin legs, and the welding assemblies are tightly connected to the support column on two sides. And after the welding is finished and the cooling is completed, the welding template is detached.
Because the interior material of material storehouse changes, arouses the change of storehouse weight, the increase of feeding weight will arouse the little increase of support column compression deformation, the distance between two welding subassemblies reduces a little promptly, the material consumption, the reduction of weight will arouse the little reduction of support column compression deformation, the distance between two welding subassemblies increases a little promptly, SMD sensor calculates the interior material weight through the temperature that detects the little change of this kind of little distance and support column.
Therefore, the utility model has the substantive characteristics and the progress.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged view of a portion a of fig. 1.
Fig. 3 is a schematic view of the installation of the welding template of the present invention.
Fig. 4 is a partially enlarged view of B in fig. 3.
Fig. 5 is an external structural view of the patch sensor.
Fig. 6 is a schematic diagram of the internal structure of the patch sensor.
In the figure, 1 is a material bin, 2 is a measuring instrument, 3 is a patch type sensor, 4 is a support column, 5 is a screw hole, 6 is an installation component, 7 is an elastic body, 8 is a resistance strain gauge, 9 is a thermistor, 10 is a wiring board, 11 is a protective shell, 12 is a five-core shielding wire, 13 is an installation hole, 14 is a welding component, and 15 is a welding template.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the surface mount material weight measuring device with the temperature compensation function is characterized in that: including material storehouse 1, measuring instrument 2, SMD sensor 3 and installation component 6, 1 bottom in material storehouse is equipped with a plurality of support columns 4, and measuring instrument 2 installs on material storehouse 1, and SMD sensor 3 passes through installation component 6 fixed mounting on support column 4. The mounting assembly 6 comprises two welding assemblies 14, the back faces of the welding assemblies 14 are welded on the support column 4, three screw holes 5 are formed in the welding assemblies 14, and the two welding assemblies 14 are longitudinally welded on the support column 4 according to a preset distance.
As shown in fig. 5 and 6, the patch sensor 3 includes an elastic body 7, a resistance strain gauge 8, a thermistor 9, a wiring board 10, a protective shell 11, and a five-core shielding wire 12; the elastic body 7 is arranged in the protective shell 11, the resistance strain gauge 8 and the thermistor 9 are arranged on the surface of the middle part of the elastic body 7, the wiring board 10 is arranged on the outer surface of the elastic body 7, the resistance strain gauge 8 and the thermistor 9 are respectively and electrically connected with the wiring board 10, and the wiring board 10 is connected with the measuring instrument 2 through the five-core shielding wire 12. Mounting holes 13 are formed in the upper end and the lower end of the elastic body 7, the screw hole 5 of each welding assembly 14 comprises a positioning hole, the distance between each mounting hole 13 and the distance between each positioning hole are the same, and the protective shell 11 sequentially penetrates through the mounting holes 13 and the positioning holes through bolts to be fixedly connected to the welding assemblies 14.
As shown in fig. 3 and 4, the utility model discloses still include welding template 15, welding template 15 is used for vertically welding subassembly 14 on support column 4 according to predetermineeing the interval, and welding template's upper and lower both ends all are equipped with the through-hole that matches with screw 5 on the welding subassembly 14, and welding template 15 passes through positioning bolt and 14 fixed connection of welding subassembly, and the internal diameter of through-hole is greater than positioning bolt's screw diameter. The back of the welding assembly 14 is an arc surface, and the front of the welding assembly 14 is a plane.
The welding template 15 can enable the mounting hole 13 of the patch type sensor 3 and the screw hole 5 of the welding assembly 14 to be accurately positioned, and the welding assembly 14 and the welding template 15 are assembled together by positioning bolts and screwed down before welding. After the material bin supporting column is assembled, the whole body is tightly attached to a preset position on the material bin supporting column, and two sides of the welding assembly are welded to enable the welding assembly to be fixedly connected to the supporting column. And after the welding is finished and the cooling is completed, the welding template 15 is detached. The patch type sensor 3 is fixed on the welding assembly 14 by a high-strength bolt, and all the patch sensors 3 on the material bin are connected to the measuring instrument 2 embedded with the temperature compensation algorithm through the five-core shielding wire 12.
During the use, the material changes in the material storehouse 1, arouse the change of storehouse weight, and the storehouse is supported by four support columns 4, the increase of feeding weight will arouse the little increase of support column 4 compression deformation, the distance is little to be reduced between two welding assembly 14 promptly, the material consumption, the reduction of weight will arouse the little reduction of support column 4 compression deformation, the distance between two welding assembly 14 is little to be increased promptly, SMD sensor 3 is through detecting the little change of this kind of little distance and support column 4's temperature, calculate the interior material weight of storehouse.
In addition, the mounting assembly 6 can be welded on each supporting column 4 of the measured material bin, each supporting column 4 is provided with one patch type sensor 3, the two sensors 3 can be mounted on the supporting column 4 with high precision requirement through tight connection of high-strength bolts, and two sensors 3 with opposite angles can be mounted on each bin or only one sensor 3 with low cost sensitivity and precision requirement according to the field condition.
The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope defined in the present application.
Claims (6)
1. The utility model provides a SMD material heavy measuring device with temperature compensation function which characterized in that: the device comprises a material bin (1), a measuring instrument (2), a surface mount type sensor (3) and a mounting assembly (6), wherein a plurality of supporting columns (4) are arranged at the bottom of the material bin (1), the measuring instrument (2) is mounted on the material bin (1), and the surface mount type sensor (3) is fixedly mounted on the supporting columns (4) through the mounting assembly (6);
the patch type sensor (3) comprises an elastic body (7), a resistance strain gauge (8), a thermistor (9), a wiring board (10), a protective shell (11) and a five-core shielding wire (12); the elastic body (7) is arranged in the protective shell (11), the resistance strain gauge (8) and the thermistor (9) are arranged on the surface of the elastic body (7), the wiring board (10) is arranged on the outer surface of the elastic body (7), the resistance strain gauge (8) and the thermistor (9) are electrically connected with the wiring board (10) respectively, and the wiring board (10) is connected with the measuring instrument (2) through the five-core shielding wire (12).
2. The surface mount material weight measuring device with the temperature compensation function according to claim 1, wherein: the mounting assembly (6) comprises two welding assemblies (14), the back faces of the welding assemblies (14) are welded on the supporting columns (4), three screw holes (5) are formed in the welding assemblies (14), and the two welding assemblies (14) are longitudinally welded on the supporting columns (4) according to preset intervals.
3. The surface mount material weight measuring device with the temperature compensation function according to claim 2, wherein: still include welding template (15), welding template (15) are used for vertically welding subassembly (14) on support column (4) according to predetermineeing the interval, and the upper and lower both ends of welding template all are equipped with the through-hole that matches with screw (5) on welding subassembly (14), and welding template (15) pass through positioning bolt and welding subassembly (14) fixed connection.
4. The surface mount material weight measuring device with the temperature compensation function according to claim 2, wherein: the back of the welding assembly (14) is an arc surface, and the front of the welding assembly (14) is a plane.
5. The surface mount material weight measuring device with the temperature compensation function according to claim 2, wherein: the upper end and the lower end of the elastic body (7) are respectively provided with a mounting hole (13), the screw hole of each welding assembly (14) comprises a positioning hole, the distance between each mounting hole (13) and the distance between each positioning hole are the same, and the elastic body (7) sequentially penetrates through the mounting holes (13) and the positioning holes through bolts to be fixedly connected to the welding assemblies (14).
6. The surface mount material weight measuring device with the temperature compensation function according to claim 3, wherein: the inner diameter of the through hole is larger than the diameter of the screw of the positioning bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920901871.9U CN209961304U (en) | 2019-06-14 | 2019-06-14 | SMD material weight measuring device with temperature compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920901871.9U CN209961304U (en) | 2019-06-14 | 2019-06-14 | SMD material weight measuring device with temperature compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209961304U true CN209961304U (en) | 2020-01-17 |
Family
ID=69247870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920901871.9U Active CN209961304U (en) | 2019-06-14 | 2019-06-14 | SMD material weight measuring device with temperature compensation function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209961304U (en) |
-
2019
- 2019-06-14 CN CN201920901871.9U patent/CN209961304U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205175691U (en) | Experimental device for measure air supporting hydrostatic bearing bearing capacity | |
| CN206132036U (en) | Hole awl measuring device | |
| CN108168515B (en) | Gravity traction type horizontal measurement correcting device | |
| CN102425984A (en) | Detection apparatus for heavy and large bearings | |
| CN209342079U (en) | A kind of tobacco fill value instrument range unit | |
| CN209961304U (en) | SMD material weight measuring device with temperature compensation function | |
| CN213422016U (en) | Width detection device for bridge cracks | |
| CN210346832U (en) | Intelligent material level measuring device with temperature compensation function | |
| CN219193284U (en) | Weighing system for measuring weight of materials in bin through deformation of bin legs | |
| CN207147693U (en) | A kind of mounting bracket of pressure transmitter | |
| CN110146146B (en) | Material weight measuring device and method | |
| CN206056518U (en) | A kind of intelligent integrated die surface measured film thickness instrument | |
| CN102865793B (en) | The measurement mechanism of bearing washer inner arc surface and measuring method | |
| CN220508192U (en) | Patch type metering device | |
| CN211085338U (en) | Photovoltaic monitoring device with irradiation detection and meteorological detection functions | |
| CN102305584B (en) | Spherical center depth detection apparatus of automobile control arm ball and detection method thereof | |
| CN201497463U (en) | Measuring tool for measuring diameters of bottoms of even number of screw spiral grooves | |
| CN102095585A (en) | Total thrust measurement device of attitude control engine | |
| CN208206234U (en) | Solid material level detection device in hot aggregate storage bin | |
| CN202403673U (en) | Laser measuring head and bearing internal diameter measuring machine using same | |
| CN207456341U (en) | A kind of graphite electrode connects the long detector of half a head | |
| CN106017796B (en) | Drone center of unmanned aerial vehicle measuring system bracket is recycled in parachuting | |
| CN206876275U (en) | Multiple parallel girder load sensors | |
| CN201795743U (en) | Verification device for steering engine displacement measuring scale | |
| CN205561993U (en) | Sensor unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |