CN202994259U - Weighing sensor, and digital display pushpull dynamometer using same - Google Patents
Weighing sensor, and digital display pushpull dynamometer using same Download PDFInfo
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- CN202994259U CN202994259U CN 201220633618 CN201220633618U CN202994259U CN 202994259 U CN202994259 U CN 202994259U CN 201220633618 CN201220633618 CN 201220633618 CN 201220633618 U CN201220633618 U CN 201220633618U CN 202994259 U CN202994259 U CN 202994259U
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- sensor body
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- load cells
- strain bore
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Abstract
The utility model discloses a weighing sensor, and a digital display pushpull dynamometer using the same. The weighing sensor comprises a sensor body, a strain hole, a hooking portion and resistance strain gauges. The strain hole enables the sensor body to form two parallelly arranged thin edges and two end portions connected between the two thin edges, grooves extending toward the outer lateral walls of the thin edges are formed on the inner sides of the thin edges, and the resistance strain gauges are bonded on the inner walls of the grooves. The digital display pullpush dynamometer comprises the weighing sensor, a display panel and a control circuit board. According to the utility model, the hooking portion of the weighing sensor and the strain hole are integrally designed, so that an external force applied on the hooking portion can be accurately transmitted to the strain hole and then transmitted to the resistance strain gauges through the strain hole, and the measuring accuracy and sensitivity are greatly improved.
Description
Technical field
the utility model relates to the weigh digital displaying push-and-pull tensiometer of inductor of a kind of LOAD CELLS and utilization.
Background technology
pull and push dynamometer mainly is divided into mechanical pointer pull and push dynamometer and digital displaying push-and-pull tensiometer, due to mechanical pointer pull and push dynamometer precision and sensitivity high less than digital displaying push-and-pull tensiometer, therefore by digital displaying push-and-pull tensiometer, replaced just gradually.Its mounting part of existing digital displaying push-and-pull tensiometer mostly is with the strain zone two parts that are connected, its measuring head of digital displaying push-and-pull tensiometer and the strain mechanism that as application number, are 02262033.8 are made from multiple components, in measuring head passes to the process of resistance strain gage by suffered external force, because each parts itself have elastic deformation, can affect the accuracy that external force is transmitted.The strain bore of the digital displaying push-and-pull tensiometer also had is complex-shaped, so manufacture craft is comparatively complicated, causes that production efficiency is low, production cost is high.
The utility model content
the purpose of this utility model is to provide a kind of simple in structure and LOAD CELLS that sensing accuracy is high.
for solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of LOAD CELLS, it comprises sensor body, be opened in the strain bore in sensor body, be arranged at least one mounting part on sensor body, be converted into the resistance strain gage of electric signal for the deformation that strain bore is produced, described strain bore forms described sensor body two featheredges that parallel setting and is connected to two ends between two featheredges, and be formed with the groove extended to the lateral wall of featheredge in the inboard of described featheredge, described resistance strain gage sticks on described groove inwall and is wrapped between sizing material and groove.
optimize, described mounting part comprises two and lay respectively on end, and each mounting part comprises the through hole that is opened in end, and the axis of two described through holes and the end face of end are perpendicular.
optimize, described sensor body is cuboid, described strain bore is opened in the centre of body, the length of described sensor body is 210～330mm, width is 90～140mm, and thickness is 25～60mm, and the length of described strain bore is 92～96mm, width is 75～79mm, and described groove is that the lateral wall bee-line of the radius arc that is 25～35mm and itself and featheredge is 2.5～25mm.
in order to make, resistance strain gage is sticky to be established firmly, and responds to sensitively, and described sizing material is silica gel.
further, described sensor body and strain bore are one-body molded, have simplified manufacture craft, have improved precision and the sensitivity of sensor.
another purpose of the utility model is to provide the digital displaying push-and-pull tensiometer that a kind of measuring accuracy is high, comprise LOAD CELLS, the display panel of display measurement data, be connected electrically in the control circuit board between LOAD CELLS and display panel, described LOAD CELLS comprises sensor body, be opened in the strain bore in sensor body, be arranged at least one mounting part on sensor body, be converted into the resistance strain gage of electric signal for the deformation that strain bore is produced, described LOAD CELLS comprises sensor body, be opened in the strain bore in sensor body, be arranged at least one mounting part on sensor body, be converted into the resistance strain gage of electric signal for the deformation that strain bore is produced, described strain bore forms described sensor body two featheredges that parallel setting and is connected to two ends between two featheredges, and be formed with the groove extended to the lateral wall of featheredge in the inboard of described featheredge, described resistance strain gage sticks on described groove inwall and is wrapped between sizing material and groove, described control circuit board is fixed on display panel and is embedded in described strain bore.
optimize, described mounting part comprises two and lay respectively on end, and each mounting part comprises the through hole that is opened in end, and the axis of two described through holes and the end face of end are perpendicular.
optimize, described sensor body is cuboid, described strain bore is opened in the centre of body, the length of described sensor body is 210～330mm, width is 90～140mm, and thickness is 25～60mm, and the length of described strain bore is 92～96mm, width is 75～79mm, and described groove is that the lateral wall bee-line of the radius arc that is 25～35mm and itself and featheredge is 2.5～25mm.
further, described sensor body and strain bore are one-body molded, have simplified manufacture craft, have improved precision and the sensitivity of sensor.
further, it also comprises pad pasting, described display panel comprises the button be electrically connected with control circuit board, the fixed strip of two display screen both sides that are separately positioned on display panel, offers the draw-in groove corresponding with fixed strip on described pad pasting, and described pasting card is located on fixed strip.
the beneficial effects of the utility model are: the utility model is by the mounting part of LOAD CELLS and strain bore Integral design, make the suffered external force energy accurate transfer in mounting part to strain bore, pass to resistance strain gage by strain bore again, the precision of measurement and the sensitivity of induction have greatly been improved, and strain bore is simple in structure, simple for production.
The accompanying drawing explanation
the structural representation that accompanying drawing 1 is LOAD CELLS of the present utility model;
the explosive view that accompanying drawing 2 is digital displaying push-and-pull tensiometer of the present utility model;
the partial enlarged drawing A that accompanying drawing 3 is accompanying drawing 1
wherein: 1, sensor body; 2, strain bore; 3, mounting part; 4, resistance strain gage; 5, battery; 6, battery cover board; 7, display panel; 8, control circuit board; 9, sizing material; 11, featheredge; 12, end; 13, groove; 31, U-lag; 32, through hole; 33, ring groove; 61, battery case; 62, receiver; 71, pad pasting; 72, fixed strip; 73, button; 711, icon.
Embodiment
below in conjunction with embodiment shown in the drawings, the utility model is described in detail below.
as shown in Figure 2, digital displaying push-and-pull tensiometer of the present utility model it comprise LOAD CELLS, display measurement data display panel 7, be connected electrically in the control circuit board 8 between LOAD CELLS and display panel 7, the battery case 61 that is arranged on control circuit board 8 back sides, battery 5, battery cover 6 and be fastened on the pad pasting 71 on display panel 7.
as shown in Figure 1, described LOAD CELLS comprise cuboid sensor body 1, be opened in strain bore in sensor body 12, two mounting parts 3, resistance strain gage 4.
described sensor body 1 comprises two featheredges 11 that parallel setting and is connected to two ends 12 between 11, and described two featheredges 11 are connected surrounded hole with two ends, 12 head and the tail is strain bore 2.The inboard of every described featheredge 11 is formed with the groove 13 extended to the lateral wall of featheredge 11, two described grooves 13 lay respectively at the centre of the featheredge 11 at place separately, described resistance strain gage 4 sticks on the inwall of groove 13 and is wrapped between groove 13 and sizing material 9, and described sizing material 9 is silica gel.
two described mounting parts 3 lay respectively on two ends 12, and each mounting part 3 comprises U-lag 31 on two end faces that are opened in sensor body 1, is opened in the through hole 32 in U-lag 31 and the ring groove 33 that is positioned at through hole 32 borders, the notch of two described U-lags 31 is towards opposing setting, ring groove 33 is coaxial with through hole 32, and the line of perpendicular and two through holes 32 of the end face of the axis of two described through holes 32 and end 12 and the line at two groove 13 centers are perpendicular.
be provided with card in battery case 61 and establish the receiver 62 of battery 5, described battery case 61 is located in strain bore 2 with the joint portion of display panel 7 phase amalgamations.
described control circuit board 8 is fixed on display panel 7 and is embedded in described strain bore 2.The button 73 be electrically connected with control circuit board 8 is set on described display panel 7, also be provided with two display screen both sides fixed strips 72 that lay respectively at display panel 7 on described display panel 7, offer the draw-in groove corresponding with fixed strip 72 on described pad pasting 71, described pasting card is located on fixed strip 72, and the display screen opposite position that also is printed with the icon corresponding with button 711 and itself and display panel 7 on described pad pasting 71 is transparence.Control circuit on described control circuit board 8 comprises the signal receiving end, signal amplification circuit, micro-control circuit, the undervoltage warning circuit that are connected with the load cell signal output terminal, signal output part is connected with the signal input part of display panel 7, display panel 7 shows pull and push dynamometer detected value and duty (due to the non-emphasis of the present utility model of circuit structure, at this, do not do and repeat).
chamfered is all done at four angles of sensor body 1 and four angles of strain bore 2.
the size of the sensor body 1 that different ranges are corresponding is also different, shown in table specific as follows:
the course of work of digital displaying push-and-pull tensiometer of the present invention is as follows: mounting part 3 is passed to suffered power the groove 13 of strain bore 2, groove 13 produces deformation and deformation is passed to two resistance strain gages 4 again, resistance strain gage 4 is converted into electric signal transmission to control circuit board 8 by deformation, through the processing of control circuit board 8 by the data measured output display on display panel 7.
above-described embodiment is only explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (10)
1. a LOAD CELLS, it comprises sensor body (1), be opened in the strain bore (2) in sensor body (1), be arranged at least one mounting part (3) on sensor body (1), be converted into the resistance strain gage (4) of electric signal for the deformation that strain bore (2) is produced, it is characterized in that: described strain bore (2) forms described sensor body (1) two featheredges (11) that parallel setting and is connected to two ends (12) between two featheredges (11), and be formed with the groove (13) extended to the lateral wall of featheredge (11) in the inboard of described featheredge (11), described resistance strain gage (4) sticks on described groove (13) inwall and is wrapped between sizing material (9) and groove (13).
2. LOAD CELLS according to claim 1, it is characterized in that: described mounting part (3) comprise two and lay respectively on end (12), each mounting part (3) comprises the through hole (32) that is opened in end (12), and the end face of the axis of two described through holes (32) and end (12) is perpendicular.
3. LOAD CELLS according to claim 1, it is characterized in that: described sensor body (1) is cuboid, described strain bore (2) is opened in the centre of body, the length of described sensor body (1) is 210～330mm, width is 90～140mm, thickness is 25～60mm, the length of described strain bore (2) is 92～96mm, width is 75～79mm, and described groove (13) is that the lateral wall bee-line of the radius arc that is 25～35mm and itself and featheredge (11) is 2.5～25mm.
4. LOAD CELLS according to claim 1, it is characterized in that: described sizing material (9) is silica gel.
5. LOAD CELLS according to claim 1 is characterized in that: described sensor body (1) is one-body molded with strain bore (2).
6. a digital displaying push-and-pull tensiometer, comprise LOAD CELLS, the display panel of display measurement data (7), be connected electrically in the control circuit board (8) between LOAD CELLS and display panel (7), described LOAD CELLS comprises sensor body (1), be opened in the strain bore (2) in sensor body (1), be arranged at least one mounting part (3) on sensor body (1), be converted into the resistance strain gage (4) of electric signal for the deformation that strain bore (2) is produced, it is characterized in that: described LOAD CELLS comprises sensor body (1), be opened in the strain bore (2) in sensor body (1), be arranged at least one mounting part (3) on sensor body (1), be converted into the resistance strain gage (4) of electric signal for the deformation that strain bore (2) is produced, described strain bore (2) forms described sensor body (1) two featheredges (11) that parallel setting and is connected to two ends (12) between two featheredges (11), and be formed with the groove (13) extended to the lateral wall of featheredge (11) in the inboard of described featheredge (11), described resistance strain gage (4) sticks on described groove (13) inwall and is wrapped between sizing material (9) and groove (13), described control circuit board (8) is fixed on display panel (7) and goes up and be embedded in described strain bore (2).
7. digital displaying push-and-pull tensiometer according to claim 6, it is characterized in that: described mounting part (3) comprise two and lay respectively on end (12), each mounting part (3) comprises the through hole (32) that is opened in end (12), and the end face of the axis of two described through holes (32) and end (12) is perpendicular.
8. digital displaying push-and-pull tensiometer according to claim 6, it is characterized in that: described sensor body (1) is cuboid, described strain bore (2) is opened in the centre of body, the length of described sensor body (1) is 210～330mm, width is 90～140mm, thickness is 25～60mm, the length of described strain bore (2) is 92～96mm, width is 75～79mm, and described groove (13) is that the lateral wall bee-line of the radius arc that is 25～35mm and itself and featheredge (11) is 2.5～25mm.
9. digital displaying push-and-pull tensiometer according to claim 6 is characterized in that: described sensor body (1) is one-body molded with strain bore (2).
10. digital displaying push-and-pull tensiometer according to claim 6, it is characterized in that: it also comprises pad pasting (71), described display panel (7) comprises the button (73) be electrically connected with control circuit board (8), the fixed strip (72) of two display screen both sides that are separately positioned on display panel (7), offer the draw-in groove corresponding with fixed strip (72) on described pad pasting (71), described pad pasting (71) is fastened on fixed strip (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633618 CN202994259U (en) | 2012-11-27 | 2012-11-27 | Weighing sensor, and digital display pushpull dynamometer using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220633618 CN202994259U (en) | 2012-11-27 | 2012-11-27 | Weighing sensor, and digital display pushpull dynamometer using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202994259U true CN202994259U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220633618 Expired - Fee Related CN202994259U (en) | 2012-11-27 | 2012-11-27 | Weighing sensor, and digital display pushpull dynamometer using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202994259U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980638A (en) * | 2012-11-27 | 2013-03-20 | 常熟市江南衡器制造有限公司 | Weighing sensor and digital display pull and push dynamometer adopting same |
| CN105588668A (en) * | 2015-12-09 | 2016-05-18 | 吉林省送变电工程公司 | Power stringing traction type dynamometer |
| CN108534873A (en) * | 2017-03-02 | 2018-09-14 | 碧彩股份两合公司 | Load sensor for scale |
-
2012
- 2012-11-27 CN CN 201220633618 patent/CN202994259U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980638A (en) * | 2012-11-27 | 2013-03-20 | 常熟市江南衡器制造有限公司 | Weighing sensor and digital display pull and push dynamometer adopting same |
| CN105588668A (en) * | 2015-12-09 | 2016-05-18 | 吉林省送变电工程公司 | Power stringing traction type dynamometer |
| CN108534873A (en) * | 2017-03-02 | 2018-09-14 | 碧彩股份两合公司 | Load sensor for scale |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20141127 |
|
| EXPY | Termination of patent right or utility model |