CN114308917A - Pipe washing device and method for fully automatically washing EPR or NMR sample pipe - Google Patents
Pipe washing device and method for fully automatically washing EPR or NMR sample pipe Download PDFInfo
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- CN114308917A CN114308917A CN202111516817.0A CN202111516817A CN114308917A CN 114308917 A CN114308917 A CN 114308917A CN 202111516817 A CN202111516817 A CN 202111516817A CN 114308917 A CN114308917 A CN 114308917A
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- 238000005406 washing Methods 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004140 cleaning Methods 0.000 claims abstract description 66
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 64
- 238000001035 drying Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 8
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000005481 NMR spectroscopy Methods 0.000 description 47
- 238000004435 EPR spectroscopy Methods 0.000 description 46
- 239000012153 distilled water Substances 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002421 anti-septic effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001362 electron spin resonance spectrum Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The invention discloses a tube washing device and a tube washing method for fully automatically washing EPR or NMR sample tubes, which comprises a water inlet device, an air inlet device, a conveying pipe, a washing device and a control system, wherein the output ends of the water inlet device and the air inlet device are both connected with one end of the conveying pipe, the other end of the conveying pipe is connected with the washing device, and the control system is connected with the water inlet device, the air inlet device and the washing device; the cleaning device comprises a base, a hollow needle tube brush, an electric push rod, a rotating mechanism and a fixed seat. The invention has the advantages that the control system controls the operation of the water inlet device and the air inlet device, automatically provides cleaning water and air for the cleaning device, and controls the operation of the electric push rod and the rotating mechanism to realize the full-automatic cleaning and drying of the EPR or NMR sample tube, thereby not only greatly improving the cleaning efficiency of the EPR or NMR sample tube, but also ensuring the cleanness of the EPR or NMR sample tube, enhancing the later-stage experimental accuracy and being more convenient for the operation of experimenters.
Description
Technical Field
The invention relates to the technical field of sample tube cleaning, in particular to a tube cleaning device and a cleaning method for fully automatically cleaning EPR or NMR sample tubes.
Background
Electron Paramagnetic Resonance (EPR) is the resonance absorption effect on incident microwaves when a sample with unpaired electrons is detected to undergo zeeman splitting at the energy level under the action of an external magnetic field. The sensitivity of EPR to electron spin is very high, if the sample cell washs unclean EPR spectrum just can appear the signal of impurity, so during the experiment, must ensure the cleanness of sample cell. Nuclear Magnetic Resonance (NMR) is a physical process in which nuclei with non-zero magnetic moments undergo zeeman splitting at their spin levels under the action of an external magnetic field, and resonate to absorb radio-frequency radiation of a certain frequency. Because EPR or NMR sample tube are thin tubes with one sealed end, the sample tube needs to be cleaned after each test, and the cleaning work is very difficult. The manual iron wire that has among the current cleaning method is wrapped up in alcohol sponge and is plugged in the sample tube and repeatedly scrub many times, perhaps uses conventional ultrasonic cleaner to wash, needs to relapse many times to wash for a long time, just can ensure sample tube inner wall sanitization, and abluent efficiency is very low. Another commercially available NMR sample tube cleaning device washes sample tubes by using the principle of forming negative pressure, only one sample tube can be washed at a time, and the efficiency is low.
Disclosure of Invention
The invention aims to solve the technical problem of how to improve the cleaning efficiency of an EPR or NMR sample tube.
In order to solve the technical problems, the invention provides the following technical scheme:
a tube washing device for automatically washing EPR or NMR sample tubes comprises a water inlet device, an air inlet device, a conveying pipe, a washing device and a control system, wherein the output ends of the water inlet device and the air inlet device are respectively connected with one end of the conveying pipe, the other end of the conveying pipe is connected with the washing device, and the control system is connected with the water inlet device, the air inlet device and the washing device;
belt cleaning device includes base, cavity needle tubing brush, electric putter, rotary mechanism and fixing base, vertical fixed a plurality of cavity needle tubing brushes on the base, cavity needle tubing brush with the conveyer pipe intercommunication, cavity needle tubing brush is the hollow structure that both ends link up, the electric putter bottom is fixed on the base, electric putter's top is fixed with the rotary mechanism who is connected with control system, drives electric putter's vertical flexible, drives rotary mechanism vertical removal, rotary mechanism's output is fixed with the fixing base that is used for fixed EPR or NMR sample cell, the fixing base sets up the top at cavity needle tubing brush.
Through control system control water installations and air inlet unit's function, do automatically belt cleaning device provides wash water and air to through the function of control electric putter and rotary mechanism, realize EPR or NMR sample cell's full automatization washing dry, not only improved the cleaning efficiency of EPR or NMR sample cell greatly, but also should guaranteed EPR or NMR sample cell's cleanness, reinforcing later stage experimental accuracy degree makes things convenient for the experimenter to operate more.
Preferably, the water inlet device comprises a water storage tank, a booster water pump and a first electromagnetic valve, the output end of the water storage tank is communicated with the conveying pipe, the booster water pump and the first electromagnetic valve are sequentially arranged at the output end of the water storage tank, and the booster water pump and the first electromagnetic valve are electrically connected with the control system.
Preferably, the air inlet device comprises an air compressor and a second electromagnetic valve, the output end of the air compressor is communicated with the delivery pipe, the second electromagnetic valve is arranged at the output end of the air compressor, and the air compressor and the second electromagnetic valve are both electrically connected with the control system.
Preferably, the conveyer pipe includes trunk line and branch pipeline, trunk line one end is connected with water installations and air inlet unit's output, and the other end is connected with the branch pipeline that corresponds with hollow tube quantity, branch pipeline and hollow tube intercommunication.
Preferably, the branch pipelines are all provided with third electromagnetic valves, and the third electromagnetic valves are connected with the control system.
Preferably, the circumferential diameter of the hollow needle tube brush is smaller than the inner diameter of the EPR or NMR sample tube.
Preferably, the rotating mechanism is fixed on the electric push rod through a fixing plate.
Preferably, the control system comprises a computer and a relay, and the computer is electrically connected with the water inlet device, the air inlet device and the cleaning device through the relay.
Preferably, still include the reserve pipeline, the reserve pipeline output is connected the trunk line, be equipped with the fourth solenoid valve on the reserve pipeline, the fourth solenoid valve is connected control system.
Preferably, the invention also provides a cleaning method of the tube cleaning device for automatically cleaning the EPR or NMR sample tube, which comprises the following steps: the method comprises the following steps:
the method comprises the following steps: the control system controls the electric push rod to move downwards, the EPR or NMR sample tube is sleeved at the top of the hollow needle tube brush, and then the control system controls the electric push rod and the rotating mechanism to drive the EPR or NMR sample tube to reciprocate;
step two: the operation of the water inlet device is controlled by the control system, cleaning water is input into the cleaning device through the conveying pipe, and the cleaning water is sprayed out of the hollow needle pipe hairbrush to clean the inner wall of the EPR or NMR sample pipe;
step three: after cleaning, the control system controls the water inlet device to stop operating and controls the air inlet device to operate, air is input into the cleaning device through the conveying pipe, and the air is sprayed out of the hollow needle tube brush to dry the inner wall of the EPR or NMR sample tube;
step four: after the drying treatment, the control system controls the upward movement of the electric push rod to drive the EPR or the NMR sample tube to move upward, and the EPR or the NMR sample tube on the fixing seat is taken out.
Compared with the prior art, the invention has the beneficial effects that:
1. through control system control water installations and air inlet unit's function, do automatically belt cleaning device provides wash water and air to through the function of control electric putter and rotary mechanism, realize EPR or NMR sample cell's full automatization washing dry, not only improved the cleaning efficiency of EPR or NMR sample cell greatly, but also should guaranteed EPR or NMR sample cell's cleanness, reinforcing later stage experimental accuracy degree makes things convenient for the experimenter to operate more.
2. The friction through cavity needle tubing brush washs and automatic device's high pressure washes EPR or NMR sample cell inner wall and washs more high-efficient, not only can wash the sample cell of splendid attire liquid, can also wash the sample cell of splendid attire solid powder, satisfies test condition's variety selection, still effectively prevents simultaneously that impurity from remaining in the sample cell, improves the experimental efficiency, the reinforcing experiment degree of accuracy.
Drawings
FIG. 1 is a schematic structural diagram of a tube washing apparatus for automatically washing EPR or NMR sample tubes according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cleaning apparatus according to an embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1, this embodiment discloses a washing tub device of EPR or NMR sample cell is washd to full-automatic formula, including water installations 1, air inlet unit 2, conveyer pipe 3, belt cleaning device 4 and control system (not shown in the figure), 3 one ends of conveyer pipe are all connected to water installations 1 and air inlet unit 2's output, the conveyer pipe 3 other end is connected belt cleaning device 4, control system includes computer and relay, the computer passes through the relay electricity and connects water installations 1, air inlet unit 2 and belt cleaning device 4, through the drive of computer control water installations 1, air inlet unit 2 and belt cleaning device 4.
The water inlet device 1 comprises a water storage tank 11, a booster water pump 12 and a first electromagnetic valve 13, wherein the output end of the water storage tank 11 is communicated with the conveying pipe 3, the booster water pump 12 and the first electromagnetic valve 13 are sequentially arranged at the output end of the water storage tank 11, and the booster water pump 12 and the first electromagnetic valve 13 are electrically connected with the control system. The operation of the booster pump 12 and the first solenoid valve 13 is controlled by a control system to automatically provide high-pressure cleaning water, in this embodiment, distilled water, to the cleaning device 4.
The air inlet device 2 comprises an air compressor 21 and a second electromagnetic valve 22, the output end of the air compressor 21 is communicated with the conveying pipe 3, the second electromagnetic valve 22 is arranged on the output end of the air compressor 21, and the air compressor 21 and the second electromagnetic valve 22 are both electrically connected with the control system. The operation of the air increasing compressor 21 and the second electromagnetic valve 22 is controlled by a control system to automatically provide air for the cleaning device 4, and further, a filter is further arranged in the air inlet device 2 to filter the air.
The delivery pipe 3 comprises a main pipe 31 and a branch pipe 32, wherein one end of the main pipe 31 is connected with the output end of the water storage tank 11 and the output end of the air compressor 21, the other end of the main pipe is connected with the branch pipe 32, and the branch pipe is far away from one end of the main pipe and is connected with the cleaning device 4.
Further, the branch pipelines 3 are all provided with third electromagnetic valves 5, the third electromagnetic valves 5 are connected with the control system, and the control system controls the driving of the third electromagnetic valves 5 so as to control the opening and closing states of the branch pipelines 32.
Referring to fig. 2, the cleaning device 4 includes a base 41, hollow needle tube brushes 42, an electric push rod 43, a fixing plate 44, a rotating mechanism 45, a fixing seat 46 and a movable slider 47, wherein the base 41 vertically fixes a plurality of hollow needle tube brushes 42 corresponding to the number of branch tubes 31, and in this embodiment, the number of the branch tubes 32 and the number of the hollow needle tube brushes 42 are three. The hollow needle tube brush 42 is communicated with the branch tube 32, a through hole is formed in the hollow needle tube brush 42 and used for spraying cleaning water outwards, the bottom of the electric push rod 43 is fixed on the base 1 through the movable slide block 47, the top of the electric push rod 43 is fixed with a rotating mechanism 45 connected with a control system through a fixing plate 44, in the embodiment, the rotating mechanism 45 is an electric motor, the output end of the rotating mechanism 45 is fixed with a fixing seat 46 used for fixing EPR or NMR sample tubes 6, and the fixing seat 46 is arranged at the top of the hollow needle tube brush 42. The drive electric putter 43's vertical flexible drives rotary mechanism 45 vertical movement, and then drives EPR or the vertical removal of NMR sample tube 6 of fixing on fixing base 46, realizes that EPR or NMR sample tube 6 cover is got and is carried out high pressure friction and wash on hollow needle pipe brush 42.
The friction through cavity needle tubing brush 42 washs EPR or NMR sample tube 6 inner wall more high-efficient, not only can wash the sample cell of splendid attire liquid, can also wash the sample cell of splendid attire solid powder, satisfies the variety selection of test condition, still effectively prevents simultaneously that impurity from remaining in the sample cell, improves the experimental efficiency, the reinforcing experiment degree of accuracy.
Further, the circumferential diameter of the hollow needle brush 42 is smaller than the inner diameter of the EPR or NMR sample tube 6.
Note that the electric push rod 43 is commercially available.
In this embodiment, the EPR or NMR sample tube 6 is fixed on the fixing base 46, then the electric push rod 43 moves downwards, the EPR or NMR sample tube 6 is reversely sleeved on the hollow needle tube brush 42, the control system controls the opening of the pressure-increasing water pump 12, the first electromagnetic valve 13 and the three third electromagnetic valves 5 to provide distilled water for the cleaning device 4, the distilled water is ejected from the through hole on the hollow needle tube brush 42 to clean the EPR or NMR sample tube 6, meanwhile, the control system also controls the driving of the electric push rod 43 and the rotating mechanism 45 to drive the EPR or NMR sample tube 6 to reciprocate up and down and rotate circumferentially, so as to realize the automatic cleaning of the three EPR or NMR sample tubes 6, and then after the set cleaning time is reached, the control system controls the closing of the pressure-increasing water pump 12 and the first electromagnetic valve 13 and the stopping of the electric push rod 43 and the rotating mechanism 45, control system control simultaneously increase opening of air compressor 21 and second solenoid valve 22, for belt cleaning device 4 provides the air, and the air after the filtration is from the through-hole injection on the hollow needle pipe brush 42, carries out drying process to EPR or NMR sample tube 6, finally realizes the full automatization of three EPR or NMR sample tube 6 and washs the drying, has not only improved EPR or NMR sample tube 6's cleaning efficiency greatly, and this cleanness that has still guaranteed EPR or NMR sample tube 6 has strengthened later stage experiment degree of accuracy, makes things convenient for the experimenter to operate more.
Further, the embodiment further includes a standby pipeline 7, an output end of the standby pipeline 7 is connected to the main pipeline 31, a fourth electromagnetic valve 8 is arranged on the standby pipeline 7, and the fourth electromagnetic valve 8 is connected to the control system; specifically, through the setting of reserve pipeline 7, when cleaning equipment need carry other washing liquid or antiseptic solution, connect outside washing liquid or antiseptic solution through reserve pipeline 7, realize the reserve of other liquid inputs.
The invention also provides a cleaning method of the tube cleaning device for automatically cleaning the EPR or NMR sample tube, which comprises the following steps: the method comprises the following steps:
the method comprises the following steps: the computer controls the electric push rod 43 to move downwards, the EPR or NMR sample tube 6 is sleeved on the top of the hollow needle tube brush 42, and the computer controls the electric push rod 43 and the rotating mechanism 45 to operate, so as to drive the EPR or NMR sample tube 6 to reciprocate up and down and rotate circumferentially;
step two: controlling the pressurizing water pump 12, the first electromagnetic valve 13 and the three third electromagnetic valves 5 to be opened through a computer, inputting distilled water into the hollow needle tube brush 42 through the conveying pipe 3, spraying the pressurized distilled water from the hollow needle tube brush 42 to clean the inner wall of the EPR or NMR sample tube 6, and setting the flushing time in the computer according to actual conditions;
step three: after the flushing time is over, the computer controls the pressure water pump 12 and the first electromagnetic valve 13 to be closed, controls the air compressor 21 and the second electromagnetic valve 22 to be opened, inputs air to the hollow needle tube brush 42 through the conveying pipe 3, sprays filtered red air from the hollow needle tube brush 42 to dry the inner wall of the EPR or NMR sample tube 6, and sets the drying time in the computer according to the actual situation;
step four: after the drying time is over, the computer controls the air compressor 21, the second electromagnetic valve 22 and the rotating mechanism 45 to be closed, controls the electric push rod 43 to move upwards, drives the EPR or NMR sample tube 6 to move upwards, takes out the EPR or NMR sample tube 6 on the fixing seat 46, and completes the whole full-automatic cleaning and drying process.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above-mentioned embodiments only represent embodiments of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the concept of the present invention, and these embodiments are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a wash tub device of EPR or NMR sample cell is washd to full-automatic formula which characterized in that: a tube washing device for automatically washing EPR or NMR sample tubes comprises a water inlet device, an air inlet device, a conveying pipe, a washing device and a control system, wherein the output ends of the water inlet device and the air inlet device are respectively connected with one end of the conveying pipe, the other end of the conveying pipe is connected with the washing device, and the control system is connected with the water inlet device, the air inlet device and the washing device;
belt cleaning device includes base, cavity needle tubing brush, electric putter, rotary mechanism and fixing base, vertical fixed a plurality of cavity needle tubing brushes on the base, cavity needle tubing brush with the conveyer pipe intercommunication, cavity needle tubing brush is the hollow structure that both ends link up, the electric putter bottom is fixed on the base, electric putter's top is fixed with the rotary mechanism who is connected with control system, drives electric putter's vertical flexible, drives rotary mechanism vertical removal, rotary mechanism's output is fixed with the fixing base that is used for fixed EPR or NMR sample cell, the fixing base sets up the top at cavity needle tubing brush.
2. The device for automatically cleaning EPR or NMR sample tubes according to claim 1, wherein: the water inlet device comprises a water storage tank, a booster water pump and a first electromagnetic valve, the output end of the water storage tank is communicated with the conveying pipe, the booster water pump and the first electromagnetic valve are sequentially arranged on the output end of the water storage tank, and the booster water pump and the first electromagnetic valve are electrically connected with the control system.
3. The device for automatically cleaning EPR or NMR sample tubes according to claim 1, wherein: the air inlet device comprises an air compressor and a second electromagnetic valve, the output end of the air compressor is communicated with the conveying pipe, the second electromagnetic valve is arranged at the output end of the air compressor, and the air compressor and the second electromagnetic valve are electrically connected with the control system.
4. The device for automatically cleaning EPR or NMR sample tubes according to claim 1, wherein: the conveyer pipe includes trunk line and branch pipeline, trunk line one end is connected with water installations and air inlet unit's output, and the other end is connected with the branch pipeline that corresponds with hollow tube quantity, branch pipeline and hollow tube intercommunication.
5. The device for automatically cleaning EPR or NMR sample tubes in accordance with claim 4, wherein: and the branch pipelines are provided with third electromagnetic valves, and the third electromagnetic valves are connected with the control system.
6. The device for automatically cleaning EPR or NMR sample tubes according to claim 1, wherein: the circumference diameter of the hollow needle tube brush is smaller than the inner diameter of the EPR or NMR sample tube.
7. The device for automatically cleaning EPR or NMR sample tubes according to claim 1, wherein: the rotating mechanism is fixed on the electric push rod through the fixing plate.
8. The device for automatically cleaning EPR or NMR sample tubes according to claim 1, wherein: the control system comprises a computer and a relay, wherein the computer is electrically connected with the water inlet device, the air inlet device and the cleaning device through the relay.
9. The device for automatically cleaning EPR or NMR sample tubes according to claim 1, wherein: still include reserve pipeline, the reserve pipeline output is connected the trunk line, be equipped with the fourth solenoid valve on the reserve pipeline, the fourth solenoid valve is connected control system.
10. A method for cleaning a tube cleaning device for fully automatically cleaning EPR or NMR sample tubes according to any one of claims 1 to 9, wherein the method comprises the following steps: the method comprises the following steps:
the method comprises the following steps: the control system controls the electric push rod to move downwards, the EPR or NMR sample tube is sleeved at the top of the hollow needle tube brush, and then the control system controls the electric push rod and the rotating mechanism to drive the EPR or NMR sample tube to reciprocate;
step two: the operation of the water inlet device is controlled by the control system, cleaning water is input into the cleaning device through the conveying pipe, and the cleaning water is sprayed out of the hollow needle pipe hairbrush to clean the inner wall of the EPR or NMR sample pipe;
step three: after cleaning, the control system controls the water inlet device to stop operating and controls the air inlet device to operate, air is input into the cleaning device through the conveying pipe, and the air is sprayed out of the hollow needle tube brush to dry the inner wall of the EPR or NMR sample tube;
step four: after the drying treatment, the control system controls the upward movement of the electric push rod to drive the EPR or the NMR sample tube to move upward, and the EPR or the NMR sample tube on the fixing seat is taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111516817.0A CN114308917A (en) | 2021-12-13 | 2021-12-13 | Pipe washing device and method for fully automatically washing EPR or NMR sample pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111516817.0A CN114308917A (en) | 2021-12-13 | 2021-12-13 | Pipe washing device and method for fully automatically washing EPR or NMR sample pipe |
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Application publication date: 20220412 |
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| RJ01 | Rejection of invention patent application after publication |