CN207180944U - Centrifuge surveys bascule - Google Patents
Centrifuge surveys bascule Download PDFInfo
- Publication number
- CN207180944U CN207180944U CN201720658503.7U CN201720658503U CN207180944U CN 207180944 U CN207180944 U CN 207180944U CN 201720658503 U CN201720658503 U CN 201720658503U CN 207180944 U CN207180944 U CN 207180944U
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- centrifuge
- pressure sensor
- connecting rod
- voltage comparator
- base
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- 238000001514 detection method Methods 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000012360 testing method Methods 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Centrifugal Separators (AREA)
Abstract
The utility model discloses centrifuge to survey bascule, including：Base, pressure detection mechanism and voltage comparator, base are fixed on centrifuge, and the upper surface of base is at least provided with two pressure detection mechanisms and voltage comparator；Pressure detection mechanism includes：Detection platform, pressure sensor, analog output module and lifting assembly, the lower surface of detection platform is connected with first connecting rod, the upper end of telescopic component is hinged with first connecting rod, the lower end of telescopic component is hinged by the upper surface of second connecting rod and base, the upper surface of detection platform is provided with pressure sensor, pressure sensor electrically connects with voltage comparator respectively, and analog output module is also each in series between pressure sensor and voltage comparator, and indication dial plate is also electrically connected with voltage comparator.The problem of centrifuge surveys the device that bascule overcomes centrifuge itself in the prior art not survey balance, and surveying balance need to be carried out on counter balance, and process is cumbersome, and efficiency is low.
Description
Technical Field
The utility model relates to a centrifuge field specifically relates to a balance device is surveyed to centrifuge.
Background
The centrifugal machine is an instrument for separating samples, is widely applied to the fields of biomedicine, petrochemical industry, agriculture, food sanitation and the like, and realizes the analysis and separation of the samples by utilizing the difference of the sedimentation speeds of different substances in a centrifugal field. The device is a conventional device used for experiments of scientific research units and is a commonly used device for teaching in college laboratories. According to the rotational speed division, laboratory centrifuge can divide into: low speed centrifuges, high speed centrifuges, ultracentrifuges. The principle of the three types of centrifuges is basically the same. The key step in the use of centrifuges is to adjust the balance of the centrifuge tubes. If the centrifugal tube is not balanced and is placed in the centrifugal machine for centrifugation, the centrifugal machine can integrally generate great vibration, the centrifugal tube is cracked, liquid leaks everywhere in the centrifugal machine, and the instrument is damaged. Even at high rotational speeds, user safety may be compromised.
Among the prior art, centrifuge self does not have the device of survey balance, and the survey balance needs to go on the tray balance, not only requires the user can be correct use tray balance, still need indispensable tray balance, when surveying balance, need take in and out the centrifuging tube, and the process is loaded down with trivial details.
Therefore, provide one kind and need not the tray balance, also need not take in and out with the centrifuge tube, can carry out balance measurement to centrifuge effectively, the simple operation's centrifuge survey balancing unit is the utility model discloses the problem that needs solve urgently.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model aims at overcoming among the prior art centrifuge self and not surveying balanced device, survey the balance and need go on the tray balance, not only require the user can the correct use tray balance, still need possess the tray balance certainly, when surveying the balance, need take in the centrifuging tube and take out, the loaded down with trivial details problem of process to provide one kind need not tray balance, also need not take in and take out the centrifuging tube, can carry out balance measurement to centrifuge effectively, the balancing unit is surveyed to simple operation's centrifuge.
In order to achieve the above object, the utility model provides a balancing unit is surveyed to centrifuge, balancing unit includes are surveyed to centrifuge: the base is fixed on a centrifuge, and at least two pressure detection mechanisms and voltage comparators are arranged on the upper surface of the base; wherein, pressure detection mechanism includes: testing platform, pressure sensor, analog output module and lifting unit, testing platform's lower surface is connected with first connecting rod, flexible subassembly the upper end with first connecting rod is articulated mutually, flexible subassembly the lower extreme pass through the second connecting rod with the upper surface of base is articulated mutually, testing platform's upper surface is provided with pressure sensor, pressure sensor respectively with voltage comparator electricity is connected, and every pressure sensor with analog output module has still been established ties between the voltage comparator, pressure sensor analog output module voltage comparator, power and switch electric connection constitute the return circuit in proper order, just it indicates the dial plate to go back the electricity to be connected with on the voltage comparator.
Preferably, testing platform's upper surface part is downwards sunken to form with centrifuging tube bottom matched with recess, pressure sensor sets up the inside of recess.
Preferably, the pressure sensor uses a film pressure sensor, and the pressure sensor is attached to the inner wall of the groove.
Preferably, the telescopic assembly is a hydraulic pump, a piston rod on the hydraulic pump is hinged to the first connecting rod and parallel to the second connecting rod, and the piston rod can stretch along the length direction of the piston rod.
Preferably, the balance measuring device of the centrifuge further comprises an alarm device, wherein the alarm device is fixed on the upper surface of the base and electrically connected with the voltage comparator.
Preferably, the alarm device is an alarm lamp.
Preferably, the detection platform is detachably connected with the first connecting rod.
Preferably, the detection platform is in threaded connection with the first connecting rod, a threaded rod is arranged on the lower surface of the detection platform, and a threaded groove matched with the threaded rod is formed in the upper surface of the first connecting rod.
According to the above technical solution, the centrifuge balance device provided by the present invention is fixed on a centrifuge for use, the base is fixed on a partition plate corresponding to a centrifuge drum or a horizontal rotor, when in use, the second connecting rod is rotated to adjust the angle between the lifting component and the base, and then the lifting component is adjusted to indirectly adjust the height of the detection platform, so that the detection platform is abutted against the bottom end of a centrifuge tube to be detected, wherein the angle between the detection platform and the telescopic component is also adjustable, of course, each hinge joint in the device of the present invention is further provided with a locking bolt, after the angle adjustment is completed, the angle is fixed by using the locking bolt, the pressure sensor on the detection platform can effectively detect the pressure of the centrifuge tube to be detected on the detection platform, the two detection platforms transmit respectively detected pressure data to the analog quantity output module, the analog quantity output module converts the pressure signals into voltage signals and transmits the voltage signals to the voltage comparator for comparison, the comparison result can be checked through the indicating dial plate, the voltage comparator is located between the two detection platforms, a pointer on the indicating dial plate is in a vertical state when being balanced, when the pressure detected by one detection platform is large, the pointer deviates to the detection platform, and a worker performs balance adjustment. The utility model discloses a centrifuge surveys balancing unit overcomes among the prior art centrifuge self does not survey balanced device, surveys the balance and need go on the tray balance, not only requires the user can the correct use tray balance, still needs must possess the tray balance, when surveying the balance, needs take in the centrifuging tube and take out, the loaded down with trivial details problem of process.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a balancing apparatus for a centrifuge according to a preferred embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a balancing apparatus for a centrifuge according to a preferred embodiment of the present invention;
fig. 3 is an assembly view of the detection platform and the first connecting rod of the balancing apparatus for centrifuge according to a preferred embodiment of the present invention.
Description of the reference numerals
1 base 2 testing platform
3 voltage comparator 4 first link
6 piston rod of hydraulic pump
7 second connecting rod 8 pressure sensor
9 analog quantity output module 10 groove
11 switch 12 power supply
13 indicating dial 14 alarm device
15 threaded rod 16 thread groove
17 locking bolt
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, inner, outer" and the like included in the terms only represent the orientation of the terms in a conventional use state or are colloquially known by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1-3, the utility model provides a balancing unit is surveyed to centrifuge, balancing unit includes is surveyed to centrifuge: the device comprises a base 1, pressure detection mechanisms and a voltage comparator 3, wherein the base 1 is fixed on a centrifuge, and at least two pressure detection mechanisms and voltage comparators 3 are arranged on the upper surface of the base 1; wherein, pressure detection mechanism includes: detection platform 2, pressure sensor 8, analog output module 9 and lifting unit, detection platform 2's lower surface is connected with first connecting rod 4, the upper end of flexible subassembly with first connecting rod 4 is articulated mutually, the lower extreme of flexible subassembly pass through second connecting rod 7 with the upper surface of base 1 is articulated mutually, detection platform 2's upper surface is provided with pressure sensor 8, pressure sensor 8 respectively with voltage comparator 3 electricity is connected, and every pressure sensor 8 with analog output module 9 has still been established ties between the voltage comparator 3, pressure sensor 8 analog output module 9 voltage comparator 3, power 12 and switch 11 electric connection in proper order constitute the return circuit, just voltage comparator 3 is last still to be connected electrically to have instruction dial plate 13.
According to the above technical solution, the centrifuge balance device provided by the present invention is fixed on a centrifuge for use, the base 1 is fixed on a partition plate corresponding to a centrifuge drum or a horizontal rotor, when in use, the second connecting rod 7 is rotated to adjust the angle between the lifting component and the base 1, and then the lifting component is adjusted to indirectly adjust the height of the detection platform 2, so that the detection platform 2 is abutted against the bottom end of a centrifuge tube to be detected, wherein the angle between the detection platform 2 and the telescopic component can also be adjusted, of course, each hinge joint in the device of the present invention is further provided with a locking bolt 17, after the angle adjustment is completed, the angle is fixed by using the locking bolt 17, the pressure sensor 8 on the detection platform 2 can effectively detect the pressure of the centrifuge tube to the detection platform, the two detection platforms 2 transmit respectively detected pressure data to the analog quantity output module 9, the analog quantity output module 9 converts the pressure signals into voltage signals and transmits the voltage signals to the voltage comparator 3 for comparison, the comparison result can be checked through the indicating dial plate 13, the voltage comparator 3 is positioned between the two detection platforms 2, a pointer on the indicating dial plate 13 is in a vertical state when balanced, when the pressure detected by one detection platform 2 is larger, the pointer deviates to the detection platform 2, and a worker performs balance adjustment. The utility model discloses a centrifuge surveys balancing unit overcomes among the prior art centrifuge self does not survey balanced device, surveys the balance and need go on the tray balance, not only requires the user can the correct use tray balance, still needs must possess the tray balance, when surveying the balance, needs take in the centrifuging tube and take out, the loaded down with trivial details problem of process.
The utility model discloses an in an preferred embodiment, testing platform 2's upper surface portion is downward sunken to form and centrifuge tube bottom matched with recess 10, pressure sensor 8 sets up the inside of recess 10, recess 10 is convenient place the centrifuge tube that waits to detect bottom ground, place more stably moreover, be located the inside pressure sensor 8 of recess 10 can be right the centrifuge tube that waits to detect carries out effective pressure detection.
The utility model discloses an in a preferred embodiment, pressure sensor 8 uses film pressure sensor, pressure sensor 8 with the inner wall of recess 10 is laminated mutually, like this pressure sensor 8's testing result can be more accurate, is favorable to adjusting centrifuge equilibrium.
The utility model discloses an in the preferred embodiment, flexible subassembly is hydraulic pump 5, piston rod 6 on the hydraulic pump 5 with first connecting rod 4 is articulated mutually, just piston rod 6 with second connecting rod 7 parallels, piston rod 6 can stretch out and draw back along the length direction of self, hydraulic pump 5 has realized effectively detection platform 2 highly adjusts, makes detection platform 2 treats the centrifuging tube that detects and detects effectively, also makes the testing result more accurate.
The utility model discloses in order to remind the staff better to carry out balance adjustment to centrifuge the utility model discloses an among the preferred embodiment, centrifuge surveys balancing unit still includes alarm device 14, alarm device 14 is fixed base 1's upper surface, and with 3 electric connection of voltage comparator are in during the use input setting value among the alarm device 14 works as when the result that voltage comparator 3 detected two voltages is greater than the setting value, alarm device 14 starts, reminds the staff to carry out balance adjustment.
In a preferred embodiment of the present invention, the alarm device 14 is an alarm lamp, because the alarm lamp can not only effectively remind the operator, but also does not produce noise pollution.
The utility model discloses an in the preferred embodiment, testing platform 2 with for detachable connection between the first connecting rod 4, it makes things convenient for the staff to dismantle the change to set up detachable connection testing platform 2 can satisfy the detection of different requirements like this, and application scope is better.
Be right testing platform 2 with detachable connected mode between first connecting rod 4 the utility model discloses an in the preferred embodiment, testing platform 2 with be threaded connection between the first connecting rod 4, testing platform 2's lower surface is provided with threaded rod 15, the upper surface of first connecting rod 4 be provided with threaded rod 15 matched with thread groove 16. Threaded connection not only makes things convenient for the dismouting, connects also very firmly moreover, and testing platform 2 is difficult for breaking away from first connecting rod 4.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.
Claims (8)
1. A centrifuge balancing apparatus, comprising: the device comprises a base (1), pressure detection mechanisms and a voltage comparator (3), wherein the base (1) is fixed on a centrifugal machine, and at least two pressure detection mechanisms and two voltage comparators (3) are arranged on the upper surface of the base (1); wherein,
the pressure detection mechanism includes: detection platform (2), pressure sensor (8), analog output module (9) and flexible subassembly, the lower surface of detection platform (2) is connected with first connecting rod (4), the upper end of flexible subassembly with first connecting rod (4) are articulated mutually, the lower extreme of flexible subassembly through second connecting rod (7) with the upper surface of base (1) is articulated mutually, the upper surface of detection platform (2) is provided with pressure sensor (8), pressure sensor (8) with voltage comparator (3) electricity is connected, and still establish ties analog output module (9) between pressure sensor (8) and voltage comparator (3), pressure sensor (8), analog output module (9), voltage comparator (3), power (12) and switch (11) be electric connection in proper order and constitute the return circuit, and an indicating dial (13) is electrically connected to the voltage comparator (3).
2. The centrifuge balance testing device according to claim 1, wherein the upper surface of the testing platform (2) is recessed downward to form a groove (10) matched with the bottom of the centrifuge tube, and the pressure sensor (8) is arranged in the groove (10).
3. The centrifuge counterbalancing arrangement as defined in claim 2, wherein the pressure sensor (8) is a membrane pressure sensor, the pressure sensor (8) engaging the inner wall of the recess (10).
4. The centrifugal balance testing device according to claim 1, wherein the telescopic assembly is a hydraulic pump (5), a piston rod (6) on the hydraulic pump (5) is hinged to the first connecting rod (4), the piston rod (6) is parallel to the second connecting rod (7), and the piston rod (6) can be telescopic along the length direction of the piston rod (6).
5. The centrifuge balancing apparatus according to claim 1, further comprising an alarm device (14), wherein the alarm device (14) is fixed on the upper surface of the base (1) and electrically connected to the voltage comparator (3).
6. Centrifuge balancing device according to claim 5, characterized in that the warning device (14) is a warning light.
7. The centrifuge balance testing device according to claim 1, wherein the detection platform (2) is detachably connected with the first connecting rod (4).
8. The centrifuge balancing apparatus of claim 7, wherein the detection platform (2) is in threaded connection with the first connecting rod (4), a threaded rod (15) is disposed on the lower surface of the detection platform (2), and a threaded groove (16) matched with the threaded rod (15) is disposed on the upper surface of the first connecting rod (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658503.7U CN207180944U (en) | 2017-06-08 | 2017-06-08 | Centrifuge surveys bascule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720658503.7U CN207180944U (en) | 2017-06-08 | 2017-06-08 | Centrifuge surveys bascule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207180944U true CN207180944U (en) | 2018-04-03 |
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ID=61734960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720658503.7U Expired - Fee Related CN207180944U (en) | 2017-06-08 | 2017-06-08 | Centrifuge surveys bascule |
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| Country | Link |
|---|---|
| CN (1) | CN207180944U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876931A (en) * | 2019-04-08 | 2019-06-14 | 浙江大学 | A kind of hypergravity centrifuge amount of unbalance monitoring method |
| CN110082034A (en) * | 2019-05-21 | 2019-08-02 | 湖南科技大学 | A kind of more support chain test experimental beds and test method for layout optimization |
| CN110346201A (en) * | 2019-06-27 | 2019-10-18 | 中国地质大学（武汉） | Consider the consistent geotechnical centrifuge case of bilateral side's downward acceleration and test method |
-
2017
- 2017-06-08 CN CN201720658503.7U patent/CN207180944U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876931A (en) * | 2019-04-08 | 2019-06-14 | 浙江大学 | A kind of hypergravity centrifuge amount of unbalance monitoring method |
| CN109876931B (en) * | 2019-04-08 | 2020-07-03 | 浙江大学 | Method for monitoring unbalance of supergravity centrifugal machine |
| CN110082034A (en) * | 2019-05-21 | 2019-08-02 | 湖南科技大学 | A kind of more support chain test experimental beds and test method for layout optimization |
| CN110082034B (en) * | 2019-05-21 | 2021-02-12 | 湖南科技大学 | Multi-support chain test experiment table for layout optimization and test method |
| CN110346201A (en) * | 2019-06-27 | 2019-10-18 | 中国地质大学（武汉） | Consider the consistent geotechnical centrifuge case of bilateral side's downward acceleration and test method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 Termination date: 20190608 |