CN204881793U - Weighting senser - Google Patents
Weighting senser Download PDFInfo
- Publication number
- CN204881793U CN204881793U CN201520488239.8U CN201520488239U CN204881793U CN 204881793 U CN204881793 U CN 204881793U CN 201520488239 U CN201520488239 U CN 201520488239U CN 204881793 U CN204881793 U CN 204881793U
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- Prior art keywords
- disk spring
- rod
- load cells
- top cover
- dish
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Abstract
The utility model discloses a weighting senser, it includes casing, a belleville spring, carrier bar, hall sensor, magnet, the casing includes lateral wall, bottom plate, baffle, top cap, a belleville spring places between the baffle is with the top cap, and dish mouth end lock is at the baffle top surface, the carrier bar includes wand cap, the body of rod, catch ring, body of rod lower extreme passes the round hole of locating at the bottom of a belleville spring's the dish, the formula sensor was felt to magnetism at the bottom of the catch ring supported and leans on the dish at a belleville spring, sets up to be in the bottom plate together between the body of rod, the magnet is fixed on the body of rod, bottom plate or baffle. The utility model discloses a weighting senser not only has the higher ability of weighing, and the precision is high moreover, and is with low costs.
Description
Technical field
The utility model relates to weighing technology, particularly a kind of LOAD CELLS.
Background technology
What weighing-appliance was said usually is for the weight weighing utensil of the large-sized object of industry or trade, and weighing-appliance forms primarily of load bearing system (as the scale pan, scale body), power transmission converting system (as lever transmission system, sensor) and indicating value system (as index dial, electronic display meter) 3 part.In weighing now and combining with producing and selling, weighing-appliance has been a great concern, and the demand of its weighing-appliance is also increasing.
Adopt the electronic weighing appliance of Modern Sensor Technology, electronic technology and computer technology integration, can meet and solve " fast, accurately, continuously, automatically " that propose in actual life and weigh requirement, effectively can eliminate personal error, make it the application requirement more meeting legal system measuring control and industrial processes control.
Traditional tank weights is all measured by radar, ultrasonic technology, but there is the inaccurate intrinsic problem of measurement caused for solid material air spots, dust etc. in radar, ultrasound wave etc., therefore weighing level indicator is widely used in the thing position observing and controlling of modern metallurgy industry, progressively instead of radar and ultrasonic material level detection unit.Weighing level indicator again based on four sensors with the use of, but also there is larger problem in this structure, for heavy weight storage tank, single LOAD CELLS price is all very expensive, if entirely join and virtually add input cost, the increase in number of sensors also can with the instability of incoming telephone signal.
Chinese patent application 201310396499.8 discloses a kind of hinge type storage tank Weighing device, comprise vertical storage tank 1, supporting leg 2, base 5, LOAD CELLS 3, hinge 4, terminal box, weight transmitter, PLC and computing machine, it is characterized in that being provided with four supporting legs 2 in vertical storage tank 1 bottom even ground correspondence, article four, supporting leg 2 is sitting on the base 5 of level, two legs is provided with symmetrical LOAD CELLS 3, two other leg is provided with symmetrical hinge 4, be provided with the supporting leg of LOAD CELLS 3 and be provided with the supporting leg of hinge 4 in correspondence with each other, and the overall height of four supporting legs is equal, the signal wire of LOAD CELLS 3 is connected by terminal box and weight transmitter, and weight transmitter and PLC are connected, and PLC and computing machine are connected, the Action of Gravity Field of vertical storage tank 1 and carrier is in LOAD CELLS 3, LOAD CELLS 3 output voltage signal passes to weight transmitter display quality signal, and the standard signal being converted into 4-20mA passes to PLC process, process data are passed to computing machine by PLC, and computer monitoring and display print carrying general assembly (TW) and the vehicle weight of vertical storage tank.
This invention, the Action of Gravity Field of vertical storage tank is in LOAD CELLS, and sensor elastomer stress deformation, interior patches resistance changes, output voltage signal, and this voltage signal is directly proportional to stressed size, and this signal is less, greatly about 0 ~ 30mV once.Little mV signal while display weight, then amplifies and is converted into 4 ~ 20mA standard signal by weight transmitter, and pass to PLC process, last PLC is uploaded to computer processing system process.Computer processing system is the software systems according to need of work secondary development, and this system can the weight of on line real-time monitoring vertical storage tank.This invention, utilizes hinging manner to decrease the number of LOAD CELLS, improves storage tank stable dangerous with wind resistance, has saved implementation cost.
LOAD CELLS is actually a kind of device quality signal being changed into measurable electric signal and export.LOAD CELLS is divided into 8 classes such as photo-electric, fluid pressure type, electromagnetic type, condenser type, magnetic pole deformation type, oscillatory type, gyro ceremony, resistance-strain type by conversion method.
Common LOAD CELLS, adopt weigh chip or common spring, ability of weighing, precision, cost are difficult to take into account.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of LOAD CELLS, and not only have higher ability of weighing, and precision is high, cost is low.
For solving the problems of the technologies described above, the LOAD CELLS that the utility model provides, it comprises housing, the first disk spring, carrier bar, magnetic induction type sensor, magnet;
Described housing, comprises sidewall, base plate, dividing plate, top cover;
Described sidewall is cylindrical shape;
Described base plate, is fixed on described sidewall bottom;
Described dividing plate, is fixed in the middle part of described sidewall;
Described top cover, for circular, is fixed on described sidewall top;
Described base plate, dividing plate, top cover, all perpendicular to sidewall,
Described first disk spring, external diameter is less than the internal diameter of described sidewall, is placed on described dividing plate with between top cover;
Described first disk spring, dish mouth end is fastened on dividing plate end face;
Described carrier bar, comprises pole cap, the body of rod, catch ring;
Described pole cap, is fixed on described body of rod upper end;
Described catch ring, is fixed on described body of rod bottom outer rim;
The described body of rod, lower end is through the circular hole of the dish bottom of described first disk spring;
Described catch ring, is resisted against at the bottom of the dish of described first disk spring;
Described pole cap, size is greater than the interior ring size of described top cover;
Distance between described catch ring to described pole cap, is greater than the distance to described top cover at the bottom of the dish of the first disk spring under state of nature;
Described magnetic induction type sensor, is arranged on described base plate with between the described body of rod;
Described magnet, is fixed on the described body of rod, base plate or dividing plate.
Preferably, described magnetic induction type sensor, is arranged on described base plate with between described body of rod lower end;
Described magnet, is fixed on described base plate;
The described body of rod, lower end is permeability magnetic material or is inlaid with magnetic inductive block.
Preferably, described magnetic induction type sensor, is arranged on described base plate with between described body of rod lower end;
Described magnet, is fixed on described body of rod lower end.
Preferably, described pole cap, for cylindrical;
Described pole cap, external diameter is greater than the internal diameter of described top cover.
Preferably, LOAD CELLS also comprises an anticreep disk spring;
Described anticreep disk spring, external diameter is greater than the internal diameter of described top cover;
Described anticreep disk spring, is placed on described top cover with between described catch ring;
Described anticreep disk spring, on the body of rod of dish bottom circle hole sleeve above described catch ring, dish mouth end is fastened on described top cover bottom surface.
Preferably, the described body of rod, bottom outer rim is provided with annular groove;
Described catch ring, be " C " type, Inner edge is fixed in described annular groove, is fixed on described body of rod bottom outer rim.
Preferably, described LOAD CELLS, also comprise the other N number of disk spring identical with the first disk spring size and performance, N is positive integer;
This other N number of disk spring, combination is arranged on above the first disk spring;
The described body of rod, the circular hole of described first disk spring and other N number of disk spring dish bottom is passed in lower end;
Described catch ring, is resisted against at the bottom of the dish of a disk spring of the top of described other N number of disk spring or dish mouth.
Preferably, described disk spring is non-magnet_conductible material; Described housing is non-magnet_conductible material.
LOAD CELLS of the present utility model, by shape and structure special between housing, the first disk spring, carrier bar and permanent magnet and position grouping, utilizes Hall element to detect output and to weigh electric signal.When on the pole cap that thing to be weighed is pressed in carrier bar, the weight of thing to be weighed is applied to the first disk spring by catch ring, make the first disk spring distortion, body of rod lower end diminishes with the distance between permanent magnet, Hall element with the changes of magnetic field between permanent magnet, exports electric signal of weighing according to body of rod lower end.Because disk spring rigidity is large, buffering vibration absorption ability is strong, can bear large load, stroke is short, load weight with small deformation, requisite space is little, and economy, security are high, and long service life, so LOAD CELLS of the present utility model, not only have higher ability of weighing, and precision is high, cost is low.LOAD CELLS of the present utility model, is especially suitable for use as the LOAD CELLS of storage tank Weighing device.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical solution of the utility model, below the accompanying drawing used required for the utility model is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of hinge type storage tank Weighing device schematic diagram disclosed in Chinese patent application 201310396499.8;
Fig. 2 is LOAD CELLS one embodiment schematic diagram of the present utility model;
Fig. 3 is disk spring schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, carry out clear, complete description to the technical scheme in the utility model, obviously, described embodiment is a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of the utility model protection.
Embodiment one
LOAD CELLS, as shown in Figure 3, comprises housing 1, first disk spring 2, carrier bar 3, magnetic induction type sensor 4, permanent magnet 5;
Described housing 1, comprises sidewall 11, base plate 12, dividing plate 13, top cover 14;
Described sidewall 11 is cylindrical shape;
Described base plate 12, is fixed on described sidewall 11 bottom;
Described dividing plate 13, is fixed in the middle part of described sidewall 11;
Described top cover 14, for circular, is fixed on described sidewall 11 top;
Described base plate 12, dividing plate 13, top cover 14, all perpendicular to sidewall 11,
Described first disk spring 2, external diameter is less than the internal diameter of described sidewall 11, is placed on described dividing plate 13 with between top cover 14;
Described first disk spring 2, dish mouth end is fastened on dividing plate 13 end face;
Described carrier bar 3, comprises pole cap 31, the body of rod 32, catch ring 33;
Described pole cap 31, is fixed on the described body of rod 32 upper end;
Described catch ring 33, is fixed on the described body of rod 32 bottom outer rim;
The described body of rod 32, lower end is through the circular hole of the dish bottom of described first disk spring 2;
Described catch ring 33, is resisted against at the bottom of the dish of described first disk spring 2;
Described pole cap 31, size is greater than the interior ring size of described top cover 14;
Distance between described catch ring 33 to described pole cap 31, is greater than the distance to described top cover 14 at the bottom of the dish of the first disk spring 2 under state of nature;
Described magnetic induction type sensor 4, is arranged on described base plate 12 with between the described body of rod 32;
Described magnet 5, is fixed on the described body of rod 32, base plate 12 or dividing plate 13, and within the scope of the magnetic field induction of described magnetic induction type sensor.
Preferably, described magnetic induction type sensor 4, is arranged on described base plate 12 with between the described body of rod 32 lower end;
Described magnet 5, is fixed on described base plate 12;
The described body of rod 32, lower end is permeability magnetic material or is inlaid with magnetic inductive block 323.
Preferably, described magnetic induction type sensor 4, is arranged on described base plate 12 with between the described body of rod 32;
Described magnet 5, is fixed on the described body of rod 32 lower end.
Preferably, described pole cap 31 is cylindrical, and the external diameter of described pole cap 31 is greater than the internal diameter of described top cover 14.
Disk spring has another name called Beile Wei Er spring washer, is that Frenchman Beile Wei Er invents, and is the washer type spring in truncated cone shape cross section with metal blank or forging and stamping blank.Typical disk spring, as shown in Figure 3, outer likeness in form dishes shape, disk spring is tapered in the axial direction and bears the special spring of load, after bearing load deformation, saves certain potential energy in cross section.Disk spring stress distribution is evenly successively decreased from inside to outside, can realize the effect of low stroke height balancing force.Disk spring has small deformation high bearing capacity, saves space, variation rigidity characteristic and install the features such as compact.
The LOAD CELLS of embodiment one, by shape and structure special between housing, the first disk spring, carrier bar and permanent magnet and position grouping, utilizes Hall element to detect output and to weigh electric signal.When on the pole cap that thing to be weighed is pressed in carrier bar, the weight of thing to be weighed is applied to the first disk spring by catch ring, make the first disk spring distortion, body of rod lower end diminishes with the distance between permanent magnet, Hall element with the changes of magnetic field between permanent magnet, exports electric signal of weighing according to body of rod lower end.Because disk spring rigidity is large, buffering vibration absorption ability is strong, can bear large load, stroke is short, load weight with small deformation, requisite space is little, and economy, security are high, and long service life, so the LOAD CELLS of embodiment one, not only have higher ability of weighing, and precision is high, cost is low.
Embodiment two
Based on embodiment one, as shown in Figure 2, LOAD CELLS also comprises an anticreep disk spring 6;
Described anticreep disk spring 6, external diameter is greater than the internal diameter of described top cover 14;
Described anticreep disk spring 6, is placed on described top cover 14 with between described catch ring 33;
Described anticreep disk spring 6, on the body of rod 32 of dish bottom circle hole sleeve above described catch ring 33, dish mouth end is fastened on described top cover 14 bottom surface.
Preferably, the described body of rod 32 bottom, outer rim is provided with annular groove; Described catch ring 33, be " C " type, Inner edge is fixed in described annular groove, is fixed on the described body of rod 32 bottom outer rim.
The LOAD CELLS of embodiment two, between catch ring 33 with carrier bar 3 of the top cover 14 of housing 1, an anticreep disk spring 6 is set, when not applying pressure above carrier bar 3, anticreep disk spring 6 can limit carrier bar 3 and move up, thus can prevent the body of rod 32 of carrier bar 3 from departing from from housing 1.
Embodiment three
Based on embodiment one, described LOAD CELLS, also comprise the other N number of disk spring identical with the first disk spring 2 size and performance, N is positive integer;
This other N number of disk spring, combination is arranged on above the first disk spring 2;
The described body of rod 32, the circular hole of described first disk spring 2 and other N number of disk spring dish bottom is passed in lower end;
Described catch ring 33, is resisted against at the bottom of the dish of a disk spring of the top of described other N number of disk spring or dish mouth.
Preferably, described disk spring is non-magnet_conductible material; Described housing 1 is non-magnet_conductible material.
Execute the LOAD CELLS of example three, adopt different array modes with same disk spring, spring performance can be made in very large range to change, meet the requirement of deflection and load value.Involutory, superimposed array mode can be adopted, also can adopt compound different-thickness, the array mode of different sheet numbers etc.When superimposed, relative to same distortion, spring number more at most load is larger.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacements, improvement etc., all should be included within scope that the utility model protects.
Claims (8)
1. a LOAD CELLS, is characterized in that, comprises housing, the first disk spring, carrier bar, magnetic induction type sensor, magnet;
Described housing, comprises sidewall, base plate, dividing plate, top cover;
Described sidewall is cylindrical shape;
Described base plate, is fixed on described sidewall bottom;
Described dividing plate, is fixed in the middle part of described sidewall;
Described top cover, for circular, is fixed on described sidewall top;
Described base plate, dividing plate, top cover, all perpendicular to sidewall,
Described first disk spring, external diameter is less than the internal diameter of described sidewall, is placed on described dividing plate with between top cover;
Described first disk spring, dish mouth end is fastened on dividing plate end face;
Described carrier bar, comprises pole cap, the body of rod, catch ring;
Described pole cap, is fixed on described body of rod upper end;
Described catch ring, is fixed on described body of rod bottom outer rim;
The described body of rod, lower end is through the circular hole of the dish bottom of described first disk spring;
Described catch ring, is resisted against at the bottom of the dish of described first disk spring;
Described pole cap, size is greater than the interior ring size of described top cover;
Distance between described catch ring to described pole cap, is greater than the distance to described top cover at the bottom of the dish of the first disk spring under state of nature;
Described magnetic induction type sensor, is arranged on described base plate with between the described body of rod;
Described magnet, is fixed on the described body of rod, base plate or dividing plate.
2. LOAD CELLS according to claim 1, is characterized in that,
Described magnetic induction type sensor, is arranged on described base plate with between described body of rod lower end;
Described magnet, is fixed on described base plate;
The described body of rod, lower end is permeability magnetic material or is inlaid with magnetic inductive block.
3. LOAD CELLS according to claim 1, is characterized in that,
Described magnetic induction type sensor, is arranged on described base plate with between described body of rod lower end;
Described magnet, is fixed on described body of rod lower end.
4. LOAD CELLS according to claim 1, is characterized in that,
Described pole cap, for cylindrical;
Described pole cap, external diameter is greater than the internal diameter of described top cover.
5. LOAD CELLS according to claim 1, is characterized in that,
LOAD CELLS also comprises an anticreep disk spring;
Described anticreep disk spring, external diameter is greater than the internal diameter of described top cover;
Described anticreep disk spring, is placed on described top cover with between described catch ring;
Described anticreep disk spring, on the body of rod of dish bottom circle hole sleeve above described catch ring, dish mouth end is fastened on described top cover bottom surface.
6. LOAD CELLS according to claim 1, is characterized in that,
The described body of rod, bottom outer rim is provided with annular groove;
Described catch ring, be " C " type, Inner edge is fixed in described annular groove, is fixed on described body of rod bottom outer rim.
7. LOAD CELLS according to claim 1, is characterized in that,
Described LOAD CELLS, also comprise the other N number of disk spring identical with the first disk spring size and performance, N is positive integer;
This other N number of disk spring, combination is arranged on above the first disk spring;
The described body of rod, the circular hole of described first disk spring and other N number of disk spring dish bottom is passed in lower end;
Described catch ring, is resisted against at the bottom of the dish of a disk spring of the top of described other N number of disk spring or dish mouth.
8. LOAD CELLS according to claim 1, is characterized in that,
Described disk spring is non-magnet_conductible material;
Described housing is non-magnet_conductible material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488239.8U CN204881793U (en) | 2015-07-08 | 2015-07-08 | Weighting senser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520488239.8U CN204881793U (en) | 2015-07-08 | 2015-07-08 | Weighting senser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204881793U true CN204881793U (en) | 2015-12-16 |
Family
ID=54826155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520488239.8U Withdrawn - After Issue CN204881793U (en) | 2015-07-08 | 2015-07-08 | Weighting senser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204881793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949742A (en) * | 2015-07-08 | 2015-09-30 | 杰克陈 | Weighing sensor |
-
2015
- 2015-07-08 CN CN201520488239.8U patent/CN204881793U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104949742A (en) * | 2015-07-08 | 2015-09-30 | 杰克陈 | Weighing sensor |
| CN104949742B (en) * | 2015-07-08 | 2017-10-20 | 杰克陈 | Weighing sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151216 Effective date of abandoning: 20171020 |