CN218765556U - Stroke detection type load monitoring device - Google Patents
Stroke detection type load monitoring device Download PDFInfo
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- CN218765556U CN218765556U CN202222535517.3U CN202222535517U CN218765556U CN 218765556 U CN218765556 U CN 218765556U CN 202222535517 U CN202222535517 U CN 202222535517U CN 218765556 U CN218765556 U CN 218765556U
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Abstract
The utility model discloses a stroke detection type load monitoring device, which comprises a support upright post, a load detection device and a load monitoring device, wherein the support upright post is used for being arranged on a fixed end platform; the tested upright post is used for being installed on the movable end platform and is vertically arranged in parallel with the supporting upright post; the detection unit is fixedly assembled on the support stand column, a first end face, far away from the support stand column, of the detection unit is opposite to the stand column to be detected, and a plurality of magnetic field induction units are arranged on the first end face of the detection unit; the magnet is fixedly assembled at the other end of the measured upright post and is opposite to the magnetic field induction unit; the magnetic field induction unit is a Hall sensor. Through the structure of the detection mechanism, the detection unit and the unit to be detected are isolated, the principle that the magnetic field of the permanent magnet can be detected by the detection unit is utilized, non-rigid contact detection is realized, and the mechanism is high in reliability and high in usability.
Description
Technical Field
The utility model belongs to load detection device field especially relates to and is applicable to a stroke detection formula load monitoring devices.
Background
Weight detection units are now well established, and in the vehicle transportation industry, vehicles are now generally required to integrate autonomous, generally suspended and pressure type weight detection, such detection units are generally converted by converting a pressing action into an electric signal, and the converted pressure value is picked up by a control unit. However, this detection device has a drawback that the reliability of the device is low due to the long-term pressure-bearing state, and the degree misalignment is easy to occur especially in the high-pressure state.
Secondly, because the vehicle is in a vibration environment for a long time, the pressure sensor in the prior art is very easy to be damaged in the vibration environment, and how to solve the problem becomes a difficult problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the problem that prior art vibration shake caused the induction element damage easily to a stroke detection formula load monitoring devices is provided, it has realized contactless monitoring, and remote response, direct contact have been avoided to the product, and the effectual equipment damage that leads to because of the collision that has prevented.
In order to realize the purpose, the utility model discloses a following technical scheme realizes:
a stroke detection type load monitoring device is provided, which comprises
The supporting upright post is used for being arranged on the fixed end platform;
the tested stand column is used for being installed on the movable end platform and is vertically arranged in parallel with the supporting stand column;
the detection unit is fixedly assembled on the support upright post, a first end face, far away from the support upright post, of the detection unit is opposite to the upright post to be detected, and a plurality of magnetic field induction units are arranged on the first end face of the detection unit;
the magnet is fixedly assembled at the other end of the measured upright post and is opposite to the magnetic field induction unit;
wherein, the magnetic field induction unit is a Hall sensor.
Furthermore, the number of the detection units is multiple and is further arranged in sequence from top to bottom, the number of the Hall sensors is multiple and is arranged in parallel from top to bottom, and the Hall sensors sense the strength of the magnetic field of the magnet and output corresponding numerical values.
Furthermore, the measured upright post comprises a first spring post and a second spring post, wherein the first spring post is connected with the magnet through the steel wire rope, and the second spring post is used for limiting the magnet to not shake front, back, left and right.
Furthermore, the first spring post is positioned above the second spring post.
Furthermore, the bottom end of the tested upright post is connected with a clamp for fixing.
It has the beneficial effects that:
1. the height difference of the fixed end platform and the movable end platform is sensed and converted into the change of the strength of the magnetic field so as to calculate the corresponding weight value, rigid interference does not exist between the fixed end platform and the movable end platform in the whole measuring process, the weight conversion process is magnetic coupling, and the problem of equipment failure caused by collision is solved.
2. Through the structure of the detection mechanism, the detection unit and the unit to be detected are isolated, the principle that the magnetic field of the permanent magnet can be detected by the detection unit is utilized, non-rigid contact detection is realized, and the mechanism is high in reliability and high in usability.
3. Through the structural form that two spring posts are designed to clamp the magnet, the vertical height of the magnet is determined, the spring posts can effectively filter vibration, and the approximate height of the magnet is ensured while irrelevant vibration is filtered.
Drawings
FIG. 1 is an overall configuration view of a stroke detection type load monitoring apparatus;
fig. 2 is a control circuit diagram of the hall sensor.
Detailed Description
The following further description of the utility model is made with reference to the accompanying figures 1-2:
the utility model provides a detection formula load monitoring devices, including support post 1 for install at the fixed end platform, wherein the fixed end platform can be the frame, and the expansion end platform can be the axle, and the axle has born car hopper weight, is used for installing at the expansion end platform, with the measured stand of the parallel vertical setting of support post 1.
Through the combined use of the detected upright post and the supporting upright post 1, a supporting mechanism of the detection unit 2 is built.
Realize detecting through configuration detecting element 2 and surveyed the unit on supporting mechanism, wherein detecting element 2 fixed fitting is on support post 1, and detecting element 2 keeps away from support post 1's terminal surface just right with the stand of being surveyed, is provided with a plurality of magnetic field induction units at the 2 first terminal surfaces of detecting element, magnetic field induction unit be hall sensor, hall sensor is magnetoelectric effect sensor, switching value monopole hall sensor is chooseed for use to the type, the model is SS443A, it can change magnetic field change signal into the signal of telecommunication, hall sensor realizes corresponding signal output according to the high low storage battery of induction magnetic field with the output height level, accomplishes the detection.
Wherein, the magnet 4 is fixedly assembled at the other end part of the measured upright post and is opposite to the magnetic field induction unit;
the number of the Hall sensors is arranged from top to bottom in parallel, the grounding end and the power input end of each Hall sensor are grounded, a capacitor c18 is further connected into the power input end, the capacitor c18 can be used as a battery to transmit electricity to the power input end of the Hall sensor, the power supply end of the Hall sensor is connected with the power supply end of the Hall sensor, meanwhile, the power supply end of the Hall sensor is also grounded, a capacitor c17 is connected between the power supply end and the grounding end, and the capacity of the capacitor c18 is 70 times to 100 times that of the capacitor c 17.
In use, the capacitor c18 is charged after the power supply terminal is powered, and the current is grounded through the ground terminal to form a loop, wherein the on-off change inside the hall sensor changes when the magnetic field changes, and the power is alternately supplied by the power supply terminal or the capacitor c18, wherein the hall sensor is induced to change in the on-off state by the changed magnetic field.
As shown in fig. 1, the measured stand column includes a first spring column 3 and a second spring column 5, the second spring column 5 is located above the first spring column 3, and the first spring column 3 is connected to the second spring column 5 through a magnet 4.
The bottom of magnet 4 is the sleeve part of cover tube-shape, the top of magnet 4 is the convex column of convex column, convex column and sleeve part are concentric, the external diameter of convex column is less than and forms annular ladder 4a between the external diameter of sleeve part the two, first spring post 3 penetrates and spacing to in the bottom of magnet 4, the bottom card of second spring post 5 is used for limiting magnet 4 position at the top of magnet 4, wherein closely arranging of first spring post 3 does not have the pitch, the pitch of second spring post 5 is greater than the pitch of first spring post 3, the bottom that is located the stand of being surveyed is connected with and is used for having anchor clamps 6 of notch form.
The one end of anchor clamps 6 has the column notch, and 3 interference fit of first spring post are in the column notch, and anchor clamps 6 keep away from the shaft-like that the direction of column notch becomes straight line extension, and anchor clamps 6 keep away from the one end of column notch and form two clamp lamella 6a of the form of embracing of indent, and clamp lamella 6a is the arc form, forms circular clamp mouth 6a between the clamp lamella 6a.
In the use process, a plurality of hall sensors are connected in parallel to a power supply pin of a control unit, wherein a transmitter is integrated in the control unit, the control unit adopts a single chip microcomputer, the single chip microcomputer collects the switching value of the hall sensors through an I/0 port, the hall sensors generate signal on-off signals after encountering a magnetic field, the strength of the magnetic field is judged by judging the output frequency of the on-off signals, because the axle can be pressed down after a vehicle is loaded, a detected upright post and the magnet 4 can be pressed down after the axle is pressed down, the magnetic field of the magnet 4 can be changed after being pressed down, the hall sensors of the detection unit 2 sense the strength change value of the magnetic field of the magnet 4, the magnetic field of the hall sensors is transmitted to the single chip microcomputer through the I/0 port after being changed, and the single chip microcomputer outputs corresponding values according to set change multiples.
The model is used for realizing the scheme through model description, but the scheme is not limited to the part type constrained by the model.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a stroke detection formula load monitoring devices which characterized in that: comprises that
The supporting upright post is used for being arranged on the fixed end platform;
the tested upright post is used for being installed on the movable end platform and is vertically arranged in parallel with the supporting upright post;
the detection unit is fixedly assembled on the support upright post, a first end face, far away from the support upright post, of the detection unit is opposite to the upright post to be detected, and a plurality of magnetic field induction units are arranged on the first end face of the detection unit;
the magnet is fixedly assembled at the other end of the measured upright post and is opposite to the magnetic field induction unit;
wherein, the magnetic field induction unit is a Hall sensor.
2. The stroke-detecting load-monitoring device of claim 1, wherein: the Hall sensors are arranged in parallel from top to bottom, and sense the strength of the magnetic field of the magnet and output corresponding numerical values.
3. The stroke-detecting load-monitoring device of claim 1, wherein: the measured stand column comprises a first spring column and a second spring column, the bottom of the magnet is in a sleeve shape, the first spring column penetrates into the bottom of the magnet and is limited to the bottom of the magnet, and the bottom of the second spring column is clamped at the top of the magnet and used for limiting the position of the magnet.
4. The stroke-detecting load monitoring device of claim 3, wherein: the second spring column is positioned above the first spring column.
5. The stroke-detecting load-monitoring device of claim 1, wherein: the bottom end of the measured upright post is connected with a clamp with a notch shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222535517.3U CN218765556U (en) | 2022-09-24 | 2022-09-24 | Stroke detection type load monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222535517.3U CN218765556U (en) | 2022-09-24 | 2022-09-24 | Stroke detection type load monitoring device |
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| Publication Number | Publication Date |
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| CN218765556U true CN218765556U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222535517.3U Active CN218765556U (en) | 2022-09-24 | 2022-09-24 | Stroke detection type load monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519108A (en) * | 2023-07-05 | 2023-08-01 | 深圳市友森信息技术有限公司 | Vehicle-mounted weighing sensor device and acquisition method |
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2022
- 2022-09-24 CN CN202222535517.3U patent/CN218765556U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116519108A (en) * | 2023-07-05 | 2023-08-01 | 深圳市友森信息技术有限公司 | Vehicle-mounted weighing sensor device and acquisition method |
| CN116519108B (en) * | 2023-07-05 | 2023-09-19 | 深圳市友森信息技术有限公司 | Vehicle-mounted weighing sensor device and acquisition method |
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