CN213902576U - Binary channels weighing sensor - Google Patents
Binary channels weighing sensor Download PDFInfo
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- CN213902576U CN213902576U CN202022745283.6U CN202022745283U CN213902576U CN 213902576 U CN213902576 U CN 213902576U CN 202022745283 U CN202022745283 U CN 202022745283U CN 213902576 U CN213902576 U CN 213902576U
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- mounting groove
- wheatstone bridge
- elastic sheet
- weighing sensor
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Abstract
The utility model discloses a binary channels weighing sensor, including worker's shape spare, worker's shape spare is provided with mounting groove and lower mounting groove, go up the mounting groove and separate through insulating rubber between the mounting groove down, the inside demountable installation who goes up the mounting groove has last wheatstone bridge, it comprises four last resistance strain gauges to go up wheatstone bridge, the inside demountable installation of mounting groove has down wheatstone bridge down, lower wheatstone bridge comprises four lower resistance strain gauges, compared with the prior art, because this technical scheme has adopted the binary channels design, even if one of them wheatstone bridge damages, another wheatstone bridge still can normal use, guarantee can not influence weighing work, need not to change whole weighing sensor, and is very convenient.
Description
Technical Field
The utility model relates to a weighing sensor, especially a binary channels weighing sensor.
Background
Traditional weighing sensor adopts the single channel design, when the bridge road appears because factors such as surge, rosin joint cause the condition of bridge road damage, can only change whole weighing sensor, and the side can continue to weigh, not only influences weighing work, and it is inconvenient to change whole weighing sensor moreover, and the cost is also high.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a binary channels weighing sensor.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a binary channels weighing sensor, includes the worker's piece, the worker's piece is provided with mounting groove and lower mounting groove, go up the mounting groove and separate through insulating rubber between the mounting groove down, the inside demountable installation who goes up the mounting groove has last wheatstone bridge, it comprises four last resistance strain gauges to go up the wheatstone bridge, the inside demountable installation of mounting groove has down wheatstone bridge down, the wheatstone bridge comprises four lower resistance strain gauges down.
The I-shaped piece has two design schemes:
the first design scheme is as follows:
the inner wall of the upper mounting groove is provided with symmetrical upper guide rail grooves, and two sides of the upper Wheatstone bridge are respectively inserted into the corresponding upper guide rail grooves; the inner wall of the lower mounting groove is provided with symmetrical lower guide rail grooves, and two sides of the lower Wheatstone bridge are respectively inserted into the corresponding lower guide rail grooves.
The second design scheme is
The left inner wall and the right inner wall of the upper mounting groove are both provided with upper clamping grooves, the left side surface and the right side surface of the upper Wheatstone bridge are both provided with upper buckles, and after assembly, the upper buckles are inserted into the upper clamping grooves; the left inner wall and the right inner wall of the lower mounting groove are both provided with lower clamping grooves, the left side face and the right side face of the lower Wheatstone bridge are both provided with lower buckles, and after assembly, the lower buckles are inserted into the lower clamping grooves.
In any design scheme, an upper insulating film is arranged at the joint of the inner wall of the upper mounting groove and the upper Wheatstone bridge, and a lower insulating film is arranged at the joint of the inner wall of the lower mounting groove and the lower Wheatstone bridge.
An upper elastic sheet is further mounted inside the upper mounting groove, the upper elastic sheet and the upper Wheatstone bridge are adhered into a whole, and when the upper elastic sheet deforms, an upper elastic sheet deformation area is reserved in the upper mounting groove; a lower elastic sheet is further mounted inside the lower mounting groove, the lower elastic sheet and the lower Wheatstone bridge are adhered into a whole, and when the lower elastic sheet deforms, a lower elastic sheet deformation area is reserved in the lower mounting groove; the upper elastic sheet deformation region and the lower elastic sheet deformation region are separated by the insulating rubber.
The outer sides of the upper Wheatstone bridge and the lower Wheatstone bridge are frosted surfaces.
The height of the I-shaped piece is smaller than the width of the I-shaped piece.
The utility model has the advantages that: compared with the prior art, because the utility model discloses a binary channels design, even if one of them Wheatstone bridge damages, another Wheatstone bridge still can normal use, guarantees can not influence the work of weighing, need not to change whole weighing sensor, and is very convenient.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a structural exploded view of a first technical solution;
FIG. 2 is a cross-sectional view of a first embodiment;
figure 3 is a cross-sectional view of a second embodiment.
Detailed Description
Referring to fig. 1 to 3, a dual-channel weighing sensor comprises a workpiece 11, wherein the workpiece 11 is provided with an upper mounting groove 111 and a lower mounting groove 112, the upper mounting groove 111 and the lower mounting groove 112 are separated by an insulating rubber 113, an upper wheatstone bridge 12 is detachably mounted in the upper mounting groove 111, the upper wheatstone bridge 12 is composed of four upper resistance strain gauges, a lower wheatstone bridge 13 is detachably mounted in the lower mounting groove 112, and the lower wheatstone bridge 13 is composed of four lower resistance strain gauges.
Compared with the prior art, because this technical scheme has adopted the binary channels design, even if one of them Wheatstone bridge damages, another Wheatstone bridge still can normal use, guarantees can not influence the work of weighing, need not to change whole weighing sensor, and is very convenient.
The i-shaped part 11 has two designs:
the first design scheme is as follows:
the inner wall of the upper mounting groove 111 is provided with symmetrical upper guide rail grooves 21, and two sides of the upper wheatstone bridge 12 are respectively inserted into the corresponding upper guide rail grooves 21; the inner wall of the lower mounting groove 112 is provided with symmetrical lower guide rail grooves 22, and both sides of the lower wheatstone bridge 13 are respectively inserted into the corresponding lower guide rail grooves 22.
The second design scheme is
The left inner wall and the right inner wall of the upper mounting groove 111 are both provided with an upper clamping groove, the left side surface and the right side surface of the upper Wheatstone bridge 12 are both provided with an upper buckle 31, and after assembly, the upper buckle 31 is inserted into the upper clamping groove; the left inner wall and the right inner wall of the lower mounting groove 112 are both provided with a lower clamping groove, the left side surface and the right side surface of the lower Wheatstone bridge 13 are both provided with a lower buckle 32, and after assembly, the lower buckle 32 is inserted into the lower clamping groove.
No matter which design scheme is adopted, an upper insulating film is arranged at the joint of the inner wall of the upper mounting groove 111 and the upper Wheatstone bridge 12, a lower insulating film is arranged at the joint of the inner wall of the lower mounting groove 112 and the lower Wheatstone bridge, and an insulating effect is achieved through the upper insulating film and the lower insulating film, so that the problems that static electricity is electrically connected with the upper Wheatstone bridge and the lower Wheatstone bridge, and the accuracy is inaccurate are solved.
An upper elastic sheet 41 is further installed inside the upper installation groove 111, the upper elastic sheet 41 and the upper wheatstone bridge 12 are adhered into a whole, and when the upper elastic sheet 41 deforms, an upper elastic sheet deformation area 42 is reserved in the upper installation groove 111; a lower elastic sheet 43 is further installed inside the lower installation groove 112, the lower elastic sheet 43 and the lower wheatstone bridge 13 are adhered into a whole, and when the lower elastic sheet 43 deforms, a lower elastic sheet deformation area 44 is reserved in the lower installation groove 112; the upper and lower spring plate deformation regions 42 and 44 are separated by the insulating rubber 113.
The upper elastic piece deformation region 42 and the upper elastic piece deformation region 44 allow a certain movement space when the upper elastic piece 41 and the lower elastic piece 43 are deformed, and prevent the upper elastic piece 41 and the lower elastic piece 43 from being crushed.
The outer sides of the upper Wheatstone bridge 12 and the lower Wheatstone bridge 13 are frosted surfaces, so that the friction force between the weighing sensor and the object to be weighed is improved during weighing, and the sliding phenomenon is avoided.
The height of the I-shaped part 11 is smaller than the width of the I-shaped part 11, the contact area with the ground is increased by adopting the structural design, and the weighing sensor is placed on the ground more stably.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.
Claims (7)
1. The utility model provides a binary channels weighing sensor, its characterized in that includes worker's piece (11), worker's piece (11) are provided with mounting groove (111) and lower mounting groove (112), it separates through insulating rubber (113) between mounting groove (111) and lower mounting groove (112) to go up mounting groove (111) inside demountable installation has last wheatstone bridge (12), it comprises four last resistance strain gages to go up wheatstone bridge (12), wheatstone bridge (13) under the inside demountable installation of mounting groove (112) down, wheatstone bridge (13) constitute by four lower resistance strain gages down.
2. The dual-channel weighing sensor according to claim 1, wherein the inner wall of the upper mounting groove (111) is provided with symmetrical upper guide rail grooves (21), and both sides of the upper Wheatstone bridge (12) are respectively inserted into the corresponding upper guide rail grooves (21); the inner wall of the lower mounting groove (112) is provided with symmetrical lower guide rail grooves (22), and two sides of the lower Wheatstone bridge (13) are respectively inserted into the corresponding lower guide rail grooves (22).
3. The dual-channel weighing sensor according to claim 1, wherein the left and right inner walls of the upper mounting groove (111) are provided with upper clamping grooves, the left and right side faces of the upper Wheatstone bridge (12) are provided with upper clamping buckles (31), and the upper clamping buckles (31) are inserted into the upper clamping grooves after being assembled; the left inner wall and the right inner wall of the lower mounting groove (112) are both provided with lower clamping grooves, the left side face and the right side face of the lower Wheatstone bridge (13) are both provided with lower buckles (32), and after assembly, the lower buckles (32) are inserted into the lower clamping grooves.
4. The dual-channel weighing sensor of claim 2 or 3, wherein the junction of the inner wall of the upper mounting groove (111) and the upper Wheatstone bridge (12) is provided with an upper insulating film, and the junction of the inner wall of the lower mounting groove (112) and the lower Wheatstone bridge is provided with a lower insulating film.
5. The dual-channel weighing sensor according to claim 4, wherein an upper elastic sheet (41) is further installed inside the upper installation groove (111), the upper elastic sheet (41) and the upper Wheatstone bridge (12) are adhered into a whole, and when the upper elastic sheet (41) deforms, an upper elastic sheet deformation area (42) is reserved in the upper installation groove (111); a lower elastic sheet (43) is further mounted inside the lower mounting groove (112), the lower elastic sheet (43) and the lower Wheatstone bridge (13) are adhered into a whole, and when the lower elastic sheet (43) deforms, a lower elastic sheet deformation area (44) is reserved in the lower mounting groove (112); the upper elastic sheet deformation region (42) and the lower elastic sheet deformation region (44) are separated by the insulating rubber (113).
6. The dual-channel weighing sensor according to claim 5, wherein the outer sides of the upper Wheatstone bridge (12) and the lower Wheatstone bridge (13) are frosted.
7. The dual-channel weighing cell of claim 6, characterised in that the height of the shaped piece (11) is smaller than the width of the shaped piece (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022745283.6U CN213902576U (en) | 2020-11-24 | 2020-11-24 | Binary channels weighing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022745283.6U CN213902576U (en) | 2020-11-24 | 2020-11-24 | Binary channels weighing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213902576U true CN213902576U (en) | 2021-08-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022745283.6U Active CN213902576U (en) | 2020-11-24 | 2020-11-24 | Binary channels weighing sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213902576U (en) |
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2020
- 2020-11-24 CN CN202022745283.6U patent/CN213902576U/en active Active
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