CN109632068A - The detection device and method of weighing sensor - Google Patents

The detection device and method of weighing sensor Download PDF

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Publication number
CN109632068A
CN109632068A CN201811564090.1A CN201811564090A CN109632068A CN 109632068 A CN109632068 A CN 109632068A CN 201811564090 A CN201811564090 A CN 201811564090A CN 109632068 A CN109632068 A CN 109632068A
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CN
China
Prior art keywords
weighing
detection device
weighing sensor
pallet
turntable
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Application number
CN201811564090.1A
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Chinese (zh)
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CN109632068B (en
Inventor
宋恩亮
万禧福
张亮
陈骐
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Rajax Network Technology Co Ltd
Lazhasi Network Technology Shanghai Co Ltd
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Lazhasi Network Technology Shanghai Co Ltd
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Priority to CN201811564090.1A priority Critical patent/CN109632068B/en
Publication of CN109632068A publication Critical patent/CN109632068A/en
Application granted granted Critical
Publication of CN109632068B publication Critical patent/CN109632068B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G23/00Auxiliary devices for weighing apparatus
    • G01G23/01Testing or calibrating of weighing apparatus

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
  • Sealing Of Jars (AREA)

Abstract

The present embodiments relate to sensor detection fields, disclose a kind of detection device of weighing sensor.In the present invention, detection device includes: pedestal, and is removably secured to the turntable on the pedestal around rotation axis, and the center of gravity of the turntable is not on the rotation axis.The embodiment of the present invention also provides the detection method of weighing sensor.The detection device of weighing sensor provided by the invention and the detection method of weighing sensor can be improved the efficiency of weighing sensor detection.

Description

The detection device and method of weighing sensor
Technical field
The present embodiments relate to sensor detection fields, the in particular to detection device and method of weighing sensor.
Background technique
Weighing sensor is a kind of device that quality signal is changed into measurable electric signal output, for measuring object Quality.Some weighing sensors there are problems that feeling partially, i.e., same object is placed on certain of the weighing pan marginal position of weighing sensor When a little points, registration is likely larger than registration when being centrally disposed position, causes the accuracy of weighing sensor not high, this is not Meet as defined in Weights and Measures Bureau.In the prior art, in order to which detection sensor is with the presence or absence of sense partially, usually counterweight is placed on manually The different location of the weighing pan of weighing sensor, records the registration of weighing sensor, and compare the registration and counterbalance mass it Between size relation, only counterweight any position for being placed on weighing pan, the registration of weighing sensor and the quality of counterweight are homogeneous Whens equal, just it is determined as that the unbiased sense problem of the weighing sensor, accuracy are qualified.
At least there are the following problems in the prior art for inventor's discovery: by moving the position of counterweight manually to change weighing The stress point of disk, inconvenient for operation, detection efficiency is low.
Summary of the invention
The detection device and method for being designed to provide a kind of weighing sensor of embodiment of the present invention, can be improved title Retransmit the efficiency of sensor detection.
In order to solve the above technical problems, embodiments of the present invention provide a kind of detection device of weighing sensor, packet It includes: pedestal, and it is removably secured to the turntable on the pedestal around rotation axis, the center of gravity of the turntable is not in the rotation On shaft axis.
The present invention also provides a kind of detection methods of weighing sensor, comprising the following steps: provides a detection device, institute Detection device is stated to include pedestal and be removably secured to the turntable on the pedestal, the center of gravity of the turntable around rotation axis Not on the rotation axis;Obtain the practical weighing of the detection device;The detection device is placed on the weighing to pass On the weighing pan of sensor;Read the weighing registration of weighing sensor described in the turntable rotation process;If the weighing registration Meet preset condition with the difference actually weighed, then determines that the weighing sensor is qualified.
The present invention also provides a kind of detection methods of weighing sensor, comprising the following steps: provides a detection device, institute Detection device is stated to include pedestal and be removably secured to the turntable on the pedestal, the center of gravity of the turntable around rotation axis Not on the rotation axis;Obtain the practical weighing of the detection device;The detection device is placed on the weighing to pass On the weighing pan of sensor;Read the weighing registration of weighing sensor described in the turntable rotation process;If the weighing registration Meet preset condition with the difference actually weighed, then determines that the weighing sensor is qualified.
The present invention also provides a kind of detection methods of weighing sensor, comprising the following steps: provides a detection device, institute Detection device is stated to include pedestal and be removably secured to the turntable on the pedestal, the center of gravity of the turntable around rotation axis Not on the rotation axis;Obtain the practical weighing of the detection device;The detection device is placed on the weighing to pass On the weighing pan of sensor;Read the weighing registration of weighing sensor described in the turntable rotation process;If the weighing registration It is less than preset threshold with the difference actually weighed, then determines that the weighing sensor is qualified.
Embodiment of the present invention in terms of existing technologies, since the detection device includes pedestal, and around rotation Axis is removably secured to the turntable on the pedestal, and the center of gravity of the turntable is not on the rotation axis, thus described Detection device constitutes an eccentric, and with the rotation of the turntable, the center of gravity of the detection device constantly changes, because This can be by rotating the turntable constantly to change the weighing sensor in the detection process of weighing sensor Stress point on weighing pan, without saving by moving the object space on weighing pan manually to change the stress point of weighing pan Manpower consumption has been saved, the efficiency of weighing sensor detection is improved.
It optionally, further include the shaft for connecting the pedestal and the turntable, the pedestal and the turntable are via described Shaft is rotatably connected.
Optionally, the turntable include pallet, the gravity block that is arranged on the pallet, the shaft and the pallet Center is connected, and the marginal position of the pallet is arranged in the gravity block.
Optionally, the gravity block is removably arranged on the pallet.So set, can be by by the gravity Block is removed and is then fixed on center from marginal position, so that the detection device is reassembled as center of gravity in central axis On device weighed in turn by the center that the device of center of gravity on center shaft is placed on weighing pan, to obtain The practical weighing of the detection device and the benchmark weighed as weighing sensor, without being obtained by additional device The practical weighing for taking detection device improves the convenience of the weighing sensor detection.
Optionally, the shaft is connected with the marginal position of the pallet.So set, can use regular shape, material The uniform pallet cooperation shaft of matter constitutes detection device of the center of gravity not in shaft, and structure is simple, at low cost.
Optionally, gravity block is additionally provided on the pallet, the gravity block is arranged on the pallet and the gravity Block and the shaft are located at the center of gravity two sides of the pallet.So set, compared to gravity block is not provided on pallet, inspection It is farther to survey axis of the center of gravity of device apart from shaft, so that during turntable rotation, the center of gravity of the detection device Offset is more, accurate so as to detect whether weigh at larger range of stress point on weighing pan, improves the title Retransmit the reliability of sensor detection.
Optionally, further includes: for driving the pallet relative to the dynamic equipment of the base rotation, the dynamic equipment with The rotating shaft transmission connection.So set, realizing the automatic rotation of the detection device, manpower is further saved, is improved The detection efficiency of weighing sensor.
Optionally, further include bearing, described shaft one end connect via the bearing with the pedestal, the other end with it is described Pallet is fixedly connected.So set, frictional force when turntable rotation can be reduced, improves detection device and rotated automatically Capacity usage ratio in journey simultaneously reduces the component friction bring service life and loses.
Optionally, the practical weighing for obtaining the detection device, specifically: using a qualified weighing sensor to inspection It surveys device to weigh, reads the registration of the weighing sensor as practical weighing.
Optionally, the detection device provided further includes connecting the shaft of the pedestal and the turntable, the pedestal It is rotatably connected with the turntable via the shaft, the turntable includes pallet, the gravity block that is arranged on the pallet, institute It states shaft to be connected with the center of the pallet, the marginal position of the pallet, the gravity block is arranged in the gravity block It is dismountable to be arranged on the pallet;The practical weighing for obtaining the detection device, specifically: the gravity block is pacified Mounted in the center of the pallet, composition has the detection device of the first package assembly, and described will have the first package assembly The detection device weighing pan that is placed on the weighing sensor center on, the registration for reading the weighing sensor is made For practical weighing;On the weighing pan that the detection device is placed on to the weighing sensor, specifically: by the gravity The marginal position composition that block is mounted on the pallet has the detection device of the second package assembly, and described will have the second assembling The detection device of structure is placed on the weighing pan of the weighing sensor.
Optionally, the detection device provided further includes connecting the shaft of the pedestal and the turntable, the pedestal It is rotatably connected with the turntable via the shaft, the turntable only includes pallet, and institute is removably arranged in the shaft It states on pallet;The practical weighing for obtaining the detection device, specifically: the shaft is mounted on to the center of the pallet Position composition has the detection device of the first package assembly, and the detection device with the first package assembly is placed on institute On the center for stating the weighing pan of weighing sensor, the registration of the weighing sensor is read as practical weighing;It is described to incite somebody to action The detection device is placed on the weighing pan of the weighing sensor, specifically: the shaft is mounted on the pallet Marginal position composition has the detection device of the second package assembly, and the detection device with the second package assembly is placed On the weighing pan of the weighing sensor.So set, can use regular shape, pallet cooperation shaft structure uniform in material There is the second package assembly not in shaft at detection device with first package assembly of the center of gravity in shaft and center of gravity Detection device, structure is simple, at low cost.
Optionally, on the weighing pan that the detection device is placed on to the weighing sensor, specifically: it will be described The center that detection device is placed on the weighing pan and the pedestal is made to be located at the weighing pan.So set, with The center of gravity of the automatic rotation of the turntable, the detection device constantly changes in the center surrounding of the weighing pan, avoids " stress point of weighing pan, which is constantly in, leads to the stress that cannot detect weighing pan close to the position of weighing pan side Whether point weighing at the other side is accurate " the problem of, improve the reliability of weighing sensor detection.
Optionally, the rotation turntable, specifically: rotate at least 360 degree of the turntable.So set, can be more Add the weighing for comprehensively detecting the weighing pan whether accurate, to improve the reliability of the weighing sensor detection.
Optionally, the weighing registration for rotating the turntable and reading the weighing sensor, specifically includes: in institute During stating turntable continuous rotation, the weighing registration of current weighing sensor is obtained in real time.So set, since the detection fills Setting is continuous rotation, and detection device is consecutive variations to the impetus of weighing pan, compared to discrete impetus, continuously Impetus is bigger detection sample, improves the precision of weighing sensor detection.
Optionally, the weighing registration for reading weighing sensor described in the turntable rotation process, specifically includes: When the turntable often turns over a predetermined angle, the weighing registration of primary current weighing sensor is obtained.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the structural schematic diagram of the detection device for the weighing sensor that first embodiment of the invention provides;
Fig. 2 is the structural schematic diagram of the detection device for the weighing sensor that second embodiment of the invention provides;
Fig. 3 is the flow chart of the detection method for the weighing sensor that third embodiment of the invention provides;
Fig. 4 is the flow chart of the detection method for the weighing sensor that four embodiment of the invention provides;
Fig. 5 is the flow chart of the detection method for the weighing sensor that fifth embodiment of the invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention In formula, many technical details are proposed in order to make reader more fully understand the present invention.But even if without these technical details And various changes and modifications based on the following respective embodiments, claimed technical solution of the invention also may be implemented.
The first embodiment of the present invention is related to a kind of detection devices 100 of weighing sensor, as shown in Figure 1, comprising: bottom Seat 11, and it is removably secured to the turntable 12 on pedestal 11 around rotation axis, the center of gravity of turntable 12 is not on rotation axis.
Embodiment of the present invention in terms of existing technologies, since detection device 100 includes pedestal 11, and around rotation Axis is removably secured to the turntable 12 on pedestal 11, and the center of gravity of turntable 12 is not on rotation axis, thus detection device 100 An eccentric is constituted, and with the rotation of turntable 12, the center of gravity of detection device 100 constantly changes, therefore, is passed in weighing In the detection process of sensor, can by constantly rotating the stress point on weighing pan of the turntable 12 to change weighing sensor, Without saving manpower consumption, improving by moving the object space on weighing pan manually to change the stress point of weighing pan The efficiency of weighing sensor detection.
Specifically, detection device 100 further includes connecting the shaft 13 of pedestal 11 and turntable 12, and pedestal 11 and turntable 12 pass through It is rotatably connected by shaft 13.
In present embodiment, turntable 12 includes pallet 121, the gravity block 122 being arranged on pallet 121, shaft 13 and support The center of disk 121 is connected, and the marginal position of pallet 121 is arranged in gravity block 122.Wherein, the center of pallet 121 is The marginal position of the geometric center and its neighbouring position of pallet 121, pallet 121 is arranged around center.Due to gravity block 122 The marginal position of pallet 121 is set, so the center of gravity of detection device 100 is on the axis of shaft 13, with shaft 13 Constantly rotation, the center of gravity of detection device 100 constantly change, so that weighing pan has different stress points, compared with the prior art In by changing position of the counterweight on weighing pan so that weighing pan has the scheme of different stress points, save manpower and disappear Consumption improves the efficiency of weighing sensor detection.
Optionally, gravity block 122 is removably arranged on pallet 121.So set, can be by changing gravity block 122 position will test the eccentric dress of device and center of gravity not on center shaft centered on device 100 assembles on center shaft It sets.Specifically, gravity block 122 is arranged in the center of pallet 121, is existed to will test device 100 and be reassembled as center of gravity Device on central axis, and then the center by the way that the device of center of gravity on center shaft is placed on weighing pan weighs, To obtain the practical weighing of detection device 100, and by the practical benchmark for being weighed as weighing sensor weighing;Then by gravity Block 122 is removed from the center of pallet 121, and is installed in the marginal position of pallet 121, to will test device 100 It is reassembled as the eccentric of center of gravity not on center shaft, eccentric is placed on the weighing pan of weighing sensor, rotation turns Disk 12 and the weighing registration for reading weighing sensor, and then weighing sensor is detected in weighing pan at different stress points When, if it can accurately measure, that is to say, that whether the weighing sensor can be detected by a detection device 100 Qualification, without obtaining the practical weighing of detection device 100 by additional device, to improve weighing sensor detection Convenience.
It is noted that detection device 100 further include: the power for driving pallet 121 to rotate relative to pedestal 11 Device (not shown), dynamic equipment and shaft 13 are sequentially connected.Specifically, dynamic equipment can be synchronous motor, asynchronous machine etc., lead to It crosses dynamic equipment and shaft 13 is sequentially connected and then shaft 13 is driven to rotate, drive pallet 121 relative to pedestal 11 via shaft 13 Rotation, and then the automatic rotation of detection device 100 is realized, with the rotation of detection device 100, its center of gravity constantly changes, substitution In the prior art by changing position of the counterweight on weighing pan so that weighing pan has the scheme of different stress point, into One step saves manpower, improves the efficiency of weighing sensor detection, simultaneously as what turntable 12 drove via dynamic equipment, institute It is continuous rotation with detection device 100, detection device 100 is consecutive variations to the impetus of weighing pan, to have more Big detection sample improves the precision of weighing sensor detection.
Optionally, detection device 100 further includes bearing (not shown), 13 one end of shaft connect via bearing with pedestal 11, The other end is fixedly connected with pallet 121.Since shaft 13 is connect via bearing with pedestal 11, bearing can reduce shaft 13 and bottom Frictional force between seat 11, and then reduce energy loss when turntable 12 rotates, detection device 100 is improved in automatic rotation process In capacity usage ratio and reduce component friction the bring service life lose.
Second embodiment of the present invention is related to a kind of detection device 200 of weighing sensor, as shown in Fig. 2, second is real It is roughly the same with first embodiment to apply mode, detection device 200 equally includes pedestal 11, and rotatably around rotation axis Fixed turntable 12 on the pedestal 11, the center of gravity of turntable 12 are: first not on the rotation axis in place of the main distinction In embodiment, turntable 12 includes pallet 121, the gravity block 122 being arranged on pallet 121, the center of shaft 13 and pallet 121 Position is connected, and the marginal position of pallet 121 is arranged in gravity block 122.And in second embodiment of the invention, shaft 13 and support The marginal position of disk 121 is connected.So set, the center of gravity of pallet 121 is on the axis of shaft 13, therefore, with shaft 13 Continuous rotation, the center of gravity of pallet 121 constantly changes, and causes the center of gravity of detection device 200 constantly to change, so that detection device 200 weighing pan has different stress points, compared with the prior art in by changing position of the counterweight on weighing pan so that The scheme that weighing pan has different stress points is obtained, manpower consumption is saved, improves the efficiency of weighing sensor detection, together When, it can use regular shape, pallet cooperation shaft uniform in material constitutes detection device of the center of gravity not in shaft, structure Simply, at low cost.
Optionally, gravity block 122 is additionally provided on pallet 121, gravity block 122 is arranged on pallet 121 and gravity block 122 and shaft 13 be located at the center of gravity two sides of pallet 121.So set, axis of the center of gravity of detection device 200 apart from shaft 13 Line is farther, so that the barycentre offset of detection device 200 is more during turntable 12 rotates, claims so as to detect Whether accurate, improve the reliability of weighing sensor detection if weighing at larger range of stress point on disk again.
Third embodiment of the present invention is related to a kind of detection method of weighing sensor, as shown in figure 3, including following step It is rapid:
S11: the detection device of weighing sensor is provided.
Specifically, in this step, detection device includes pedestal 11, and is removably secured to bottom around rotation axis Turntable 12 on seat 11, the center of gravity of turntable 12 is not on rotation axis.It is understood that first embodiment of the invention, The structure of detection device in two embodiments can apply in present embodiment, and details are not described herein again.
S12: it is weighed using a qualified weighing sensor to detection device, the registration for reading qualified weighing sensor is made For practical weighing.
S13: it will test device and be placed on the weighing pan of weighing sensor.
Specifically, in this step, the detection device is placed on the weighing pan and is located at the pedestal The center of the weighing pan, so set, the center of gravity of detection device is in weighing pan with the automatic rotation of turntable 12 Heart position surrounding constantly changes, avoid " stress point of weighing pan be constantly in close to weighing pan side position and cause Cannot detect whether the stress point of weighing pan is weighed at the other side accurate " the problem of, and then can more comprehensively measure Stress point weighing pan everywhere when weighing result it is whether accurate, improve weighing sensor detection reliability.
It is understood that detection device is not necessarily placed on the center of weighing pan, as long as can change detection The detection of weighing sensor can be realized to change the stress point on weighing pan in the position of centre of gravity of device.
S14: the weighing registration of weighing sensor described in turntable rotation process is read.
Specifically, in this step, at least 360 degree of the turntable are rotated, so set, can more comprehensively detect Whether the weighing of the weighing pan is accurate, to improve the reliability of the weighing sensor detection.
In present embodiment, the turntable continuous rotation is driven, during the turntable continuous rotation, obtains work as in real time The weighing registration of preceding weighing sensor.So set, detection device is to weighing pan since the detection device is continuous rotation Impetus be consecutive variations, compared to discrete impetus, continuous impetus be bigger detection sample, improve title Retransmit the precision of sensor detection.
It is understood that being also possible to when the turntable often turns over a predetermined angle, obtains primary current weighing and pass The weighing registration of sensor.
Optionally, drive the opposite pedestal 11 of turntable 12 from turn by dynamic equipment (such as synchronous motor, asynchronous machine etc.) It is dynamic, so set, realizing the automatic rotation of the detection device, manpower is further saved, weighing sensor is improved Detection efficiency.
It is understood that can also rotate by manual drive turntable 12 relative to pedestal 11, technology will not influence Effect, details are not described herein again.
S15: if weighing registration meets preset condition with the difference actually weighed, determine weighing sensor qualification.
Specifically, in this step, in 12 rotation process of turntable, if weighing registration is permanent equal or poor with practical weighing Value be less than preset threshold, then when illustrating the stress point of weighing pan throughout, the measurement of weighing sensor be accurately, therefore, It can be assumed that being qualified for weighing sensor.
It is understood that during turntable 12 rotates, when the weighing registration of weighing sensor claims not equal to practical It, can be by taking regulating measures (for example, the metal part of sensor body is rasped away a part with file) until at this when weight The weighing registration at place is equal to practical weighing, and by adjusting finally making in 12 rotation process of turntable, weighing registration claims with practical The equal or difference of weight perseverance is less than preset threshold, i.e. weighing sensor is qualified products.
It should be noted that it is practical to determine that the condition of weighing sensor qualification is not limited strictly to weighing registration permanent " being equal to " Weighing is also possible to weighing registration and is less than preset range with the difference actually weighed, as long as meeting the relevant regulations of State Metrological Bureau ?.
In terms of existing technologies, by providing a detection device, detection device includes bottom to embodiment of the present invention Seat 11, and is removably secured to the turntable 12 on pedestal 11 around rotation axis, the center of gravity of turntable 12 not on rotation axis, To which detection device constitutes an eccentric, and as the rotation of turntable 12, the center of gravity of detection device constantly change, claiming In the detection process for retransmitting sensor, by constantly rotating the stress point on weighing pan of the turntable 12 to change weighing sensor, And the weighing registration of weighing sensor is read, weighing registration is compared with the practical weighing acquired, and then detects Whether weighing sensor is accurate, due to without by moving the object space on weighing pan manually to change the stress of weighing pan Point, saves manpower consumption, improves the efficiency of weighing sensor detection.
4th embodiment of the invention is related to a kind of detection method of weighing sensor, and the 4th embodiment and third are real It is roughly the same to apply mode, is in place of the main distinction: in the third embodiment, detection being filled using a qualified weighing sensor It sets and weighs, read the registration of the qualified weighing sensor as practical weighing.And in four embodiment of the invention, The center composition that the gravity block is mounted on the pallet is had to the detection device of the first package assembly, and by the tool There is the detection device of the first package assembly to be placed on the center of the weighing pan of the weighing sensor, reads the weighing The registration of sensor is as practical weighing.
The detection method for the weighing sensor that present embodiment provides, as shown in figure 4, specifically includes the following steps:
S21: the detection device of weighing sensor is provided.
Specifically, in this step, detection device includes: pedestal 11, around rotation axis is removably secured to pedestal Turntable 12 on 11, and the shaft 13 of connection pedestal 11 and turntable 12, the center of gravity of turntable 12 is not on the rotation axis, bottom Seat 11 and turntable 12 are rotatably connected via shaft 13, wherein turntable 12 includes pallet 121, the gravity being arranged on pallet 121 Block 122, shaft 13 are connected with the center of pallet 121, and gravity block 122 is removably arranged on pallet 121.
S22: the center composition that gravity block is mounted on pallet is had to the detection device of the first package assembly, and will tool There is the detection device of the first package assembly to be placed on the center of the weighing pan of weighing sensor, reads weighing sensor Registration is as practical weighing.
Specifically, in this step, the first package assembly includes turntable 12, gravity block 122, shaft 13,11 structure of pedestal At a rotational symmetry structure, center of gravity is located on rotationally symmetric axis, and in present embodiment, specifically, pallet 121 is rotation pair Disk, gravity block 122 can be referred to as the cuboid block (or cylinder etc.) of rotational symmetry, shaft 13 be the axis of rotational symmetry, bottom Seat 11 is the disk of rotational symmetry, i.e., the rotationally symmetric axis of entire detection device is all the central axis of shaft.To have The detection device of one package assembly is placed on the center of the weighing pan of weighing sensor, that is to say, that the first assembling knot The center of gravity of structure is aligned in the vertical direction with the center of weighing pan, and the rotation axis of the first package assembly is in the vertical direction Extend.So at this time the stress point on weighing pan be weighing pan center, so when registration be detection device it is practical heavy Amount, can be used as practical weighing.
S23: the marginal position composition that shaft is mounted on pallet is had into the detection device of the second package assembly, and will be had The detection device of second package assembly is placed on the weighing pan of weighing sensor.
Specifically, in this step, the second package assembly is that the center of gravity of turntable 13 is not located on rotation axis, is formed inclined Core structure, therefore, with the continuous rotation of shaft 13, the center of gravity of detection device constantly changes, so that weighing pan is with different Stress point, to realize that different location is weighed to detect the accuracy of weighing sensor on weighing pan.
S24: the weighing registration of weighing sensor described in the turntable rotation process is read.
S25: if weighing registration meets preset condition with the difference actually weighed, determine weighing sensor qualification.
Step S24, S25 are roughly the same with step S14, S15 in third embodiment in present embodiment, no longer superfluous herein It states.
Embodiment of the present invention in terms of existing technologies, by changing the position of gravity block 122, will test device group The eccentric of device and center of gravity not on center shaft centered on dress on center shaft.Specifically, gravity block 122 is set It sets in the center of pallet 121, so that will test device is reassembled as the device of center of gravity on center shaft, and then by by center of gravity The center that device on center shaft is placed on weighing pan is weighed, to obtain the practical weighing of detection device, and will The practical benchmark for being weighed as weighing sensor weighing;Then gravity block 122 is removed from the center of pallet 121, and It is installed in the marginal position of pallet 121, so that will test device is reassembled as the eccentric of center of gravity not on center shaft, it will Eccentric is placed on the weighing pan of weighing sensor, is rotated turntable 12 and is read the weighing registration of weighing sensor, in turn Weighing sensor is detected when weighing pan has at different stress points, if can accurately measure, that is to say, that pass through one Detection device can detect whether the weighing sensor is qualified, without obtaining detection device by additional device Practical weighing, so that the convenience of weighing sensor detection is improved, simultaneously as without by moving on weighing pan manually Object space saves manpower consumption to change the stress point of weighing pan, improves the efficiency of weighing sensor detection.
5th embodiment of the invention is related to a kind of detection method of weighing sensor, and the 5th embodiment is real with the 4th It is roughly the same to apply mode, is in place of the main distinction: in the fourth embodiment, turntable 12 includes pallet 121, is arranged in pallet Gravity block 122 on 121, shaft 13 are connected with the center of pallet 121, and gravity block 122 is removably arranged in pallet 121 On.And in fifth embodiment of the invention, turntable 12 only includes pallet 121, the dismountable center with pallet 121 of shaft 13 Position is connected with marginal position.By cooperating shaft to constitute center of gravity not in shaft using regular shape, pallet uniform in material Detection device, structure is simple, at low cost.
The detection method for the weighing sensor that present embodiment provides, as shown in figure 5, specifically includes the following steps:
S31: the detection device of weighing sensor is provided.
Specifically, in this step, detection device includes: pedestal 11, around rotation axis is removably secured to pedestal Turntable 12 on 11, and the shaft 13 of connection pedestal 11 and turntable 12, the center of gravity of turntable 12 is not on rotation axis, pedestal 11 Be rotatably connected with turntable 12 via shaft 13, wherein turntable 12 include pallet 121, shaft 13 removably with pallet 121 Center is connected with marginal position.
S32: the center composition that shaft is mounted on pallet is had into the detection device of the first package assembly, and will be had The detection device of first package assembly is placed on the center of the weighing pan of weighing sensor, reads showing for weighing sensor Number is as practical weighing.
Specifically, in this step, the first package assembly includes one turntable 12, shaft 13, the composition of pedestal 11 rotation Symmetrical structure, center of gravity is located on rotationally symmetric axis, in present embodiment, specifically, pallet 121 be rotational symmetry disk, Shaft 13 is the axis of rotational symmetry, the disk that pedestal is rotational symmetry, i.e., the rotationally symmetric axis of entire detection device is all to turn The central axis of axis.Detection device with the first package assembly is placed on to the center of the weighing pan of weighing sensor On, that is to say, that the center of gravity of the first package assembly is aligned in the vertical direction with the center of weighing pan, and the first package assembly Rotation axis extend in vertical direction.So at this time the stress point on weighing pan be weighing pan center, so when show Number is the actual weight of detection device, can be used as practical weighing.
S33: the marginal position composition that shaft is mounted on pallet is had into the detection device of the second package assembly, and will be had The detection device of second package assembly is placed on the weighing pan of weighing sensor.
Specifically, in this step, the second package assembly is that the center of gravity of turntable 13 is not located on rotation axis, is formed inclined Core structure, therefore, with the continuous rotation of shaft 13, the center of gravity of detection device constantly changes, so that weighing pan is with different Stress point, to realize that different location is weighed to detect the accuracy of weighing sensor on weighing pan.
S34: the weighing registration of weighing sensor described in turntable rotation process is read.
S35: if weighing registration meets preset condition with the difference actually weighed, determine weighing sensor qualification.
Step S34, S35 are roughly the same with step S24, S25 in third embodiment in present embodiment, no longer superfluous herein It states.
The position that embodiment of the present invention is mounted on pallet 121 in terms of existing technologies, by changing shaft 13, will The eccentric of device and center of gravity not on center shaft centered on detection device assembling on center shaft.Specifically, will turn The center of pallet 121 is arranged in axis 13, so that will test device is reassembled as the device of center of gravity on center shaft, and then passes through The center that the device of center of gravity on center shaft is placed on weighing pan is weighed, to obtain the practical title of detection device Weight, and by this it is practical be weighed as weighing sensor weighing benchmark;Then shaft 13 is taken from the center of pallet 121 Under, and it is installed in the marginal position of pallet 121, so that will test device is reassembled as the eccentric dress of center of gravity not on center shaft It sets, eccentric is placed on the weighing pan of weighing sensor, rotate turntable 12 and read the weighing registration of weighing sensor, And then weighing sensor is detected when weighing pan has at different stress points, if can accurately measure, that is to say, that pass through One detection device can detect whether the weighing sensor is qualified, without obtaining detection dress by additional device The practical weighing set, so that the convenience of weighing sensor detection is improved, simultaneously as without by moving weighing pan manually On object space to change the stress point of weighing pan, save manpower consumption, improve the efficiency of weighing sensor detection;Separately Outside, it can use regular shape, pallet cooperation shaft uniform in material constitutes detection device of the center of gravity not in shaft, structure Simply, at low cost.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention, And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
The embodiment of the present application discloses a kind of detection device of weighing sensor of A1., comprising: pedestal, and around rotary shaft Line is removably secured to the turntable on the pedestal, and the center of gravity of the turntable is not on the rotation axis.
A2. the detection device of weighing sensor as described in a1 further includes the shaft for connecting the pedestal and the turntable, The pedestal and the turntable are rotatably connected via the shaft.
A3. the detection device of weighing sensor, the turntable include pallet, are arranged on the pallet as described in A2 Gravity block, the shaft are connected with the center of the pallet, and the marginal position of the pallet is arranged in the gravity block.
A4. the detection device of the weighing sensor as described in A3, the gravity block are removably arranged on the pallet.
A5. the detection device of weighing sensor, the shaft are connected with the marginal position of the pallet as described in A2.
A6. the detection device of weighing sensor as described in a5 is additionally provided with gravity block, the gravity block on the pallet It is arranged on the pallet and the gravity block and the shaft is located at the center of gravity two sides of the pallet.
A7. the detection device of weighing sensor as described in A2, further includes: for driving the pallet relative to the bottom The dynamic equipment of seat rotation, the dynamic equipment are connect with the rotating shaft transmission.
A8. the detection device of the weighing sensor as described in A7 further includes bearing, and described shaft one end is via the bearing It is connect with the pedestal, the other end is fixedly connected with the pallet.
The embodiment of the present application discloses a kind of detection method of weighing sensor of B1., comprising the following steps:
A detection device is provided, the detection device includes pedestal and is removably secured to the bottom around rotation axis Turntable on seat, the center of gravity of the turntable is not on the rotation axis;
Obtain the practical weighing of the detection device;
The detection device is placed on the weighing pan of the weighing sensor;
Read the weighing registration of weighing sensor described in the turntable rotation process;
If the weighing registration and the difference actually weighed meet preset condition, determine that the weighing sensor closes Lattice.
B2. the detection method of the weighing sensor as described in B1, the practical weighing for obtaining the detection device, specifically Are as follows:
It is weighed using a qualified weighing sensor to detection device, the registration for reading the qualified weighing sensor is made For practical weighing.
B3. the detection method of the weighing sensor as described in B1,
The detection device provided further includes connecting the shaft of the pedestal and the turntable, the pedestal and described turn Disk is rotatably connected via the shaft, and the turntable includes pallet, the gravity block that is arranged on the pallet, the shaft with The center of the pallet is connected, and the marginal position of the pallet is arranged in the gravity block, and the gravity block is dismountable It is arranged on the pallet;
The practical weighing for obtaining the detection device, specifically:
The center composition that the gravity block is mounted on the pallet is had to the detection device of the first package assembly, and On the center for the weighing pan that the detection device for having the first package assembly is placed on the weighing sensor, read The registration of the weighing sensor is as practical weighing;
On the weighing pan that the detection device is placed on to the weighing sensor, specifically:
The marginal position composition that the gravity block is mounted on the pallet is had to the detection device of the second package assembly, and The detection device for having the second package assembly is placed on the weighing pan of the weighing sensor.
B4. the detection method of the weighing sensor as described in B1,
The detection device provided further includes connecting the shaft of the pedestal and the turntable, the pedestal and described turn Disk is rotatably connected via the shaft, and the turntable only includes pallet, and the shaft is removably arranged on the pallet;
The practical weighing for obtaining the detection device, specifically:
The center composition that the shaft is mounted on the pallet is had to the detection device of the first package assembly, and will On the center for the weighing pan that the detection device for having the first package assembly is placed on the weighing sensor, institute is read The registration of weighing sensor is stated as practical weighing;
On the weighing pan that the detection device is placed on to the weighing sensor, specifically:
The marginal position composition that the shaft is mounted on the pallet is had to the detection device of the second package assembly, and will The detection device for having the second package assembly is placed on the weighing pan of the weighing sensor.
B5. the detection method of the weighing sensor as described in B1, it is described that the detection device is placed on the weighing biography On the weighing pan of sensor, specifically: the detection device is placed on the weighing pan and the pedestal is made to be located at the title The center of disk again.
B6. the detection method of the weighing sensor as described in B1, the rotation turntable, specifically:
Rotate at least 360 degree of the turntable.
B7. the detection method of the weighing sensor as described in B1, described read are weighed described in the turntable rotation process The weighing registration of sensor, specifically includes:
During the turntable continuous rotation, the weighing registration of current weighing sensor is obtained in real time.
B8. the detection method of the weighing sensor as described in B1, described read are weighed described in the turntable rotation process The weighing registration of sensor, specifically includes:
When the turntable often turns over a predetermined angle, the weighing registration of primary current weighing sensor is obtained.
B9. the detection method of the weighing sensor as described in B1, the weighing registration and the difference actually weighed Value meets preset condition, specifically: the weighing registration and the difference actually weighed are less than preset threshold.

Claims (10)

1. a kind of detection device of weighing sensor characterized by comprising pedestal, and it is rotatably solid around rotation axis Fixed turntable on the base, the center of gravity of the turntable is not on the rotation axis.
2. the detection device of weighing sensor according to claim 1, which is characterized in that further include connect the pedestal and The shaft of the turntable, the pedestal and the turntable are rotatably connected via the shaft.
3. the detection device of weighing sensor according to claim 2, which is characterized in that the turntable includes pallet, sets The gravity block on the pallet is set, the shaft is connected with the center of the pallet, and the gravity block is arranged described The marginal position of pallet.
4. the detection device of weighing sensor according to claim 3, which is characterized in that the gravity block is removably set It sets on the pallet.
5. the detection device of weighing sensor according to claim 2, which is characterized in that the shaft and the pallet Marginal position is connected.
6. the detection device of weighing sensor according to claim 5, which is characterized in that be additionally provided with weight on the pallet Power block, the gravity block is arranged on the pallet and the gravity block and the shaft are located at the center of gravity of the pallet Two sides.
7. the detection device of weighing sensor according to claim 2, which is characterized in that further include: it is described for driving Dynamic equipment of the pallet relative to the base rotation, the dynamic equipment are connect with the rotating shaft transmission.
8. the detection device of weighing sensor according to claim 7, which is characterized in that it further include bearing, the shaft One end is connect via the bearing with the pedestal, the other end is fixedly connected with the pallet.
9. a kind of detection method of weighing sensor, which comprises the following steps:
A detection device is provided, the detection device includes pedestal and is removably secured on the pedestal around rotation axis Turntable, the center of gravity of the turntable is not on the rotation axis;
Obtain the practical weighing of the detection device;
The detection device is placed on the weighing pan of the weighing sensor;
Read the weighing registration of weighing sensor described in the turntable rotation process;
If the weighing registration and the difference actually weighed meet preset condition, determine that the weighing sensor is qualified.
10. the detection method of weighing sensor according to claim 9, which is characterized in that described to obtain the detection dress The practical weighing set, specifically:
It is weighed using a qualified weighing sensor to detection device, reads the registration of the qualified weighing sensor as real Border weighing.
CN201811564090.1A 2018-12-20 2018-12-20 Detection device and method for weighing sensor Active CN109632068B (en)

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