CN203745064U - Sensor - Google Patents
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- CN203745064U CN203745064U CN201420145572.4U CN201420145572U CN203745064U CN 203745064 U CN203745064 U CN 203745064U CN 201420145572 U CN201420145572 U CN 201420145572U CN 203745064 U CN203745064 U CN 203745064U
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- measuring head
- magnetic induction
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- 230000006698 induction Effects 0.000 claims description 71
- 238000010276 construction Methods 0.000 claims description 10
- 239000000696 magnetic material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 241000231739 Rutilus rutilus Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A sensor is disclosed and comprises a moving member and a limiting member. The moving member is installed at one end of the limiting member. The limiting member limits the moving member from moving along the linear direction, and the linear movement of the moving member may trigger a sensing member to generate sensing signals. A measuring head is arranged on an end, opposite to the limiting member, of the moving member, and the measuring head is provided with a universal ball abutting against a vehicle frame or axle of an automobile. When the universal ball abuts against the vehicle frame, the swing of the vehicle frame in the horizontal direction only allows the universal ball to roll in the measuring head and may not drive the moving member to swing widely, thereby preventing fracture of the moving member and ensuring the normal use of the sensor.
Description
Technical field
The application relates to sensor field, relates in particular to a kind of sensor with Universal caster.
Background technology
At present, along with expanding economy, logistic industry is progressively developed, and becomes an economic large mainstay industry.Overload of vehicle operation, becomes the primary culprit of field of traffic.For standard vehicle load, in industry, slowly carry out a kind of sensor technology, vehicle is weighed, understand in real time vehicle load situation and make overload judgement.Measuring head one end butt automobile load-bearing vehicle frame in this inductance type transducer in movement parts, and main part is fixed in vehicle bridge, thereby when carload, measuring head is driven by vehicle frame and moves, thereby sensor is exported corresponding induced signal and is carried out dead weight capacity judgement.
But, due to automobile in the process of moving, the vehicle frame of bearing goods can swing in the horizontal direction, and vehicle frame is due to butt measuring head, make measuring head can drive movement parts to swing in the horizontal direction, and movement parts is generally rigidity strip piece, the swing energetically of vehicle frame even can make movement parts relative limit part significantly swing and rupture, and has affected the use of sensor.
Summary of the invention
The application provides a kind of Magnetic Induction formula sensor and system, the breakage problem causing because of vehicle frame horizontal hunting to solve the movement parts of sensor.
According to the application's first aspect, the application provides a kind of sensor, comprise: movement parts, and, in one end activity, described movement parts is installed and moves and trigger the locating part that induction pieces produces induced signal along predetermined rectilinear direction for limiting described movement parts, in described movement parts, one end relative to described locating part is provided with measuring head; On described measuring head, be provided with the Universal caster connecting for the vehicle frame with automobile or vehicle bridge.
Further, described measuring head 21 comprises: head construction and Universal caster, described head construction is the cavity structure of a side opening, the undersized of described opening is in the size of described Universal caster, so that described Universal caster only can move and be unlikely to deviate from the cavity of described head construction.
Further, described sensor is Magnetic Induction formula sensor, described locating part comprises: outer tube, and the nested inner tube being arranged in described outer tube, described Magnetic Induction part is set between described inner tube and described outer tube, described outer tube end is provided with linear bearing, described movement parts is provided with described magnetic part one end moves described magnetic part through described linear bearing in described inner tube, in described movement parts, one end relative to described locating part is provided with described measuring head, between described measuring head and described locating part, is provided with elastic component.
Further, on described locating part along being provided with at least one group in the direction of motion of described movement parts for generation of the described Magnetic Induction part of indication carload degree.
Further, on described locating part, in the direction of motion of edge perpendicular to described movement parts, be provided with at least one described Magnetic Induction part for described magnetic part being responded at least one angle position.
Further, on described magnetic part magnetic material along the direction of motion definite length extended of described movement parts.
Further, described sensor is inductance type or LVDT formula sensor.
The application's beneficial effect is:
By a kind of sensor is provided, comprise: movement parts, and, in one end activity mounted movable part and for limiting movement parts, along predetermined rectilinear direction, to move and trigger the locating part that induction pieces produces induced signal, in movement parts, one end relative to locating part is provided with measuring head; On measuring head, be provided with the Universal caster connecting for the vehicle frame with automobile or vehicle bridge.Like this, when Universal caster and vehicle frame butt, vehicle frame swing in the horizontal direction only can make Universal caster roll in measuring head and can not drive movement parts significantly to swing, and has avoided movement parts therefore and the problem of fracture has guaranteed the normal use of sensor.
Accompanying drawing explanation
Fig. 1 is the primary structure schematic diagram of the sensor of the embodiment of the present application.
Fig. 2 is the concrete structure schematic diagram of the sensor of the embodiment of the present application.
Fig. 3 is the situation schematic diagram that in the embodiment of the present application, Magnetic Induction part 4 can sense magnetic part 1.
Fig. 4 is AA ' the line cut-open view of Fig. 2.
Fig. 5 is the magnetic material distribution length schematic diagram of magnetic part 1 in the embodiment of the present application.
Fig. 6 is the structural representation of the load-carrying measuring system of the embodiment of the present application.
Fig. 7 is automobilism track schematic diagram in the embodiment of the present application.
Embodiment
Below by embodiment, by reference to the accompanying drawings the application is described in further detail.
The present embodiment provides a kind of Magnetic Induction formula sensor, and the load-carrying measuring system of applying this sensor.
As shown in Figure 1, the sensor mainly comprises: the movement parts 2 of magnetic part 1 is installed, and, the locating part 3 moving along predetermined rectilinear direction for limiting movement parts 2.On locating part 3 in for judging that the precalculated position of carload is provided with the Magnetic Induction part 4 of in induction range, magnetic part 1 being responded to.In the present embodiment, it is axial that predetermined rectilinear direction 5 refers to that sensor extends, and for judging that the precalculated position of carload refers to extend at sensor axial that a certain position arranges a Magnetic Induction part, or at sensor, extend axially at least two Magnetic Induction parts of at least two diverse location settings, as shown in number in the figure 41,42.Like this, above-mentioned locating part can be arranged on automotive axle (as vehicle frame main shaft), and movement parts in sensor is being subject under automobile load-bearing vehicle frame used drives, drive magnetic part along predetermined rectilinear direction, to move in locating part, when magnetic part arrives in the induction range of Magnetic Induction part in locating part, Magnetic Induction part produces induced signal because of electromagnetic induction, processor, according to the Magnetic Induction part prestoring and the corresponding relation of carload degree, obtains the indicated corresponding current carload degree of Magnetic Induction part of induced signal.Like this, when carload degree is set in advance as one or more in zero load, semi-load, fully loaded, overload etc., the induced signal that can be produced by the sensor is corresponding obtains current carload degree.For example, Magnetic Induction part 41 setting positions, higher than the position of Magnetic Induction part 42, if when Magnetic Induction part 41 senses magnetic part, can show that carload is full load condition, if when Magnetic Induction part 42 senses magnetic part, can show that carload is overload condition.Certainly, can also be according to other modes Magnetic Induction part of arranging, wherein at least can comprise to the arranging of Magnetic Induction part position, to arranging of Magnetic Induction number of packages amount etc.
Particularly, as shown in Figure 2, locating part 3 can comprise: outer tube 31, and the nested inner tube 32 being arranged in outer tube 31.Between inner tube 32 and outer tube 31, Magnetic Induction part 4 is set; for example; Magnetic Induction part 4 is fixed on to the outer wall of inner tube 32; and by encapsulating mode to the space sealing between inner tube 32 and outer tube 31 so that Magnetic Induction part 4 is protected; in addition, Magnetic Induction part can also be fixed on outer tube 31 inwalls.Outer tube 31 ends are provided with linear bearing 33, and movement parts 2 is provided with one end of magnetic part 1 through linear bearing 33 inner chambers, so that magnetic part 1 moves in inner tube 32.In movement parts 2, one end relative to locating part 3 is provided with measuring head 21, between measuring head 21 and locating part 3, is provided with elastic component 5, and this elastic component 5 can be spring or other elastomeric objects.The setting of elastic component 5 can guarantee that in automobile load-carrying members measuring head 21 can return to virgin state under the elastic acting force of elastic component 5 not during butt measuring head 21.On Magnetic Induction part 4, be also provided with connection cable 7.Certainly, sensor is positioned at movement parts 1 outside can also be provided with dust cover 6, to prevent that the dust of running car from falling into sensor and causing measuring precision decline.
Automobile in the process of moving, the vehicle frame of bearing goods can swing in the horizontal direction, and vehicle frame is due to butt measuring head, make measuring head can drive movement parts 2 to swing in the horizontal direction, and movement parts 2 is generally rigidity strip piece, the swing energetically of vehicle frame even can make movement parts 2 relative limit parts 3 significantly swing and rupture.For addressing this problem, on the measuring head 21 of the present embodiment, be provided with the Universal caster connecting for the vehicle frame with automobile.The concrete structure of measuring head 21 is to comprise head construction and Universal caster, and head construction is the cavity structure of a side opening, and the undersized of opening is in the size of Universal caster, so that Universal caster only can move and be unlikely to deviate from the cavity of head construction.When Universal caster and vehicle frame butt, vehicle frame swing in the horizontal direction only can make Universal caster roll in measuring head and can not drive movement parts significantly to swing, and has avoided movement parts therefore and the problem of fracture.In addition, movement parts can also adopt the reliable material of hard to process, and further ensures the fastness of movement parts.
Carload degree can be divided into multiple, such as zero load, semi-load, fully loaded, overload etc., and this load-carrying degree also can be substituted by load-carrying weight, as 0.5,1,1.5,2 ton of load-carrying etc.And the load-carrying in various degree of automobile can make the vehicle frame of automobile and the distance between vehicle bridge change, this variation can be reflected on the sensor of installing on automobile, and relative position relation between movement parts and locating part has been indicated this feature.On locating part 3, when being provided with the Magnetic Induction part 4 that a group is semi-load for generation of indication carload degree in the direction of motion of movement parts 2, when Magnetic Induction part 4 senses magnetic part 1, show that now automobile is semi-load; Still as shown in Figure 1, on locating part 3 along being provided with two groups in the direction of motion of movement parts 2 while being semi-load and fully loaded Magnetic Induction part 4 for generation of indication carload degree respectively, when Magnetic Induction part 4 senses wherein one group of magnetic part 41 or 42, show that now automobile is semi-load or fully loaded.
Automobile in the process of moving, movement parts 2 may rotate along its axis, when Magnetic Induction part 4 only has inductive action to the arctic of magnetic part 1 (N) or the South Pole (S), as shown in Figure 3, if magnetic part 1 cube structure, must there is so relative two sides not for N or S(are referred to as the non-S face of non-N), even if can cause magnetic part 1 to fall into the induction range of Magnetic Induction part 4, and still can because of movement parts 2 drive magnetic parts 1 to rotate to make Magnetic Induction part 4 cannot sense the N of magnetic part or S(now Magnetic Induction part 4 is relative with the non-S face of non-N) cause carload degree measurement unsuccessfully.For addressing this problem, as shown in Figure 4, on the locating part 3 of the present embodiment, in the direction of motion of edge perpendicular to movement parts, be provided with at least two Magnetic Induction parts 4 for magnetic part 1 being responded at least two angle positions, above-mentioned angle position for the kinematic axis by magnetic part to centered by perpendicular to this kinematic axis to position corresponding to direction radiation certain angle, there is shown central angle between adjacent two angle positions is the situation of 60 degree, certainly, other central angle angles are also applicable, as 45 degree etc., the quantity of Magnetic Induction part 4 can be 2, 3 or more.Certainly, in other embodiments, the quantity of Magnetic Induction part 4 can be also only 1, but may cause the generation of this section of the problems referred to above.
General Hall element, magnetic resistance or the tongue tubes (being called again magnetic reed tube) etc. of adopting of Magnetic Induction part 4, its induction action frequency is limited.Automobile in the process of moving conventionally can be in the state of jolting; and cause vehicle frame actuation movement part 2 to move up and down; if magnetic material distribution area is less on magnetic part 1; can make Magnetic Induction part 4 in induction and the process that constantly replaces of non-induction two states; thereby make to respond to action frequency, consume very soon, cause the serviceable life of Magnetic Induction part 4 not long.For addressing this problem, still as shown in Figure 2, on the magnetic part 1 of the present embodiment, magnetic material is along the direction of motion definite length extended of movement parts 2, and this predetermined length meets following condition: under the state that jolts of running car, movement parts 2 moves up and down the induction that can frequently not trigger Magnetic Induction part 4.One of them is for example, above-mentioned predetermined length A is determined by a variable quantity, this variable quantity is the variable quantity of distance between vehicle frame and vehicle bridge after carload, the variation range that predetermined length A span is this variable quantity, this variation range is according to the desirable 5-60 millimeter of empirical value, concrete desirable 5,15,20,40,50,55,60 millimeters etc., as shown in Figure 5.
The present embodiment is corresponding provides a kind of load-carrying measuring system, it comprises structure as shown in Figure 6: sensor 501 described above, and, be connected by cable 7 with this sensor 501 for according to the processor 502 of sensor 501 induction gained induced signals judgement carload degree.Particularly, the Magnetic Induction part induction gained induced signal of sensor 501 can carry out the processing such as shaping, amplification, filtering through the primary circuit of processor 502 front ends, after induced signal after processing is obtained by processor 502, processor 502 can be known the induced signal transmitting from which Magnetic Induction part, thereby according to the corresponding relation of the Magnetic Induction part prestoring in storage medium and carload degree, obtain current carload degree.Certainly, native system can also comprise corresponding storage medium, display module, transport module etc.Storage medium can be stored above-mentioned corresponding relation and current carload level data etc., display module can show current carload level data, and transport module can send to the Surveillance center such as automobile logo and current carload level data.
The present embodiment is corresponding provides a kind of carload degree measurement method, and the method is utilized system described above, and the method comprises: when magnetic part 1 moves in the induction range of Magnetic Induction part 4, Magnetic Induction part 4 produces induced signals; Processor 502, according to the Magnetic Induction part prestoring and the corresponding relation of carload degree, obtains the indicated corresponding current carload degree of Magnetic Induction part of induced signal.Certainly, this method can also comprise other treatment steps to data, such as: preserve, show or transmit current carload level data etc.
The present embodiment also provides a kind of automobile dress discharge location measuring method in addition, the method is utilized system described above, and the GPS being connected with processor 502 (Global Positioning System, GPS) module, the method comprises: processor 502 obtains automobilism track from GPS module; When magnetic part 1 moves in the induction range of Magnetic Induction part 4, Magnetic Induction part 4 obtains induced signals; Processor 502, according to the Magnetic Induction part prestoring and the corresponding relation of carload degree, obtains the indicated corresponding current carload degree of Magnetic Induction part of induced signal; When current carload degree indication automobile carries out loading or unloading action, processor 502 can carry out the sign of automobile dress discharge location on automobilism track, as shown in Figure 7, number in the figure B has indicated automobile delivery location, and label C has indicated automobile discharge location.
Like this, the loading of the roach slag of automobile, transport and uninstall process in, can monitor the handling goods action of automobile, thereby can, according to monitored results, effectively control construction cost.
In addition, the sensor can also be arranged on vehicle frame, and measuring head can connect with vehicle bridge.
In addition, sensor can be not only above-mentioned Magnetic Induction formula sensor, can also be inductance type transducer or linear variable difference transformer (Linear Variable Differential Transformer, LVDT) formula sensor.
Above content is the further description of the application being done in conjunction with concrete embodiment, can not assert that the application's concrete enforcement is confined to these explanations.For the application person of an ordinary skill in the technical field, not departing under the prerequisite of the application's design, can also make some simple deduction or replace.
Claims (7)
1. a sensor, it is characterized in that, comprise: movement parts, and, in one end activity, described movement parts is installed and moves and trigger the locating part that induction pieces produces induced signal along predetermined rectilinear direction for limiting described movement parts, in described movement parts, one end relative to described locating part is provided with measuring head; On described measuring head, be provided with the Universal caster connecting for the vehicle frame with automobile or vehicle bridge.
2. sensor as claimed in claim 1, it is characterized in that, described measuring head (21) comprising: head construction and Universal caster, described head construction is the cavity structure of a side opening, the undersized of described opening is in the size of described Universal caster, so that described Universal caster only can move and be unlikely to deviate from the cavity of described head construction.
3. sensor as claimed in claim 1, it is characterized in that, described sensor is Magnetic Induction formula sensor, described locating part comprises: outer tube, and the nested inner tube being arranged in described outer tube, described Magnetic Induction part is set between described inner tube and described outer tube, described outer tube end is provided with linear bearing, described movement parts is provided with described magnetic part one end moves described magnetic part through described linear bearing in described inner tube, in described movement parts, one end relative to described locating part is provided with described measuring head, between described measuring head and described locating part, be provided with elastic component.
4. sensor as claimed in claim 3, is characterized in that, on described locating part along being provided with at least one group in the direction of motion of described movement parts for generation of the described Magnetic Induction part of indication carload degree.
5. sensor as claimed in claim 3, is characterized in that, on described locating part, in the direction of motion of edge perpendicular to described movement parts, is provided with at least one described Magnetic Induction part for described magnetic part being responded at least one angle position.
6. sensor as claimed in claim 3, is characterized in that, on described magnetic part, magnetic material is along the direction of motion definite length extended of described movement parts.
7. sensor as claimed in claim 1, is characterized in that, described sensor is inductance type or LVDT formula sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420145572.4U CN203745064U (en) | 2014-03-27 | 2014-03-27 | Sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420145572.4U CN203745064U (en) | 2014-03-27 | 2014-03-27 | Sensor |
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| Publication Number | Publication Date |
|---|---|
| CN203745064U true CN203745064U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420145572.4U Expired - Lifetime CN203745064U (en) | 2014-03-27 | 2014-03-27 | Sensor |
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| CN (1) | CN203745064U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884409A (en) * | 2014-03-27 | 2014-06-25 | 深圳市信为科技发展有限公司 | Sensor, system and method for measuring automobile load degree |
| 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 |
-
2014
- 2014-03-27 CN CN201420145572.4U patent/CN203745064U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884409A (en) * | 2014-03-27 | 2014-06-25 | 深圳市信为科技发展有限公司 | Sensor, system and method for measuring automobile load degree |
| CN103884409B (en) * | 2014-03-27 | 2015-10-14 | 深圳市信为科技发展有限公司 | For sensor, the system and method for carload degree measurement |
| 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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 518000 Guangdong City, Longgang Province, long street, the streets of the United States love community Po Tau Village, Xinfeng Road, No. 28 Patentee after: Soway Tech Limited Address before: 1, 11B1, 4013 lotus Feng building, No. 518000 North Ring Road, Guangdong, Shenzhen, Futian District Patentee before: Soway Tech Limited |