CN210496476U - Portable constant volume inductor - Google Patents
Portable constant volume inductor Download PDFInfo
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- CN210496476U CN210496476U CN201921232113.9U CN201921232113U CN210496476U CN 210496476 U CN210496476 U CN 210496476U CN 201921232113 U CN201921232113 U CN 201921232113U CN 210496476 U CN210496476 U CN 210496476U
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- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 26
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Abstract
本实用新型公开了一种便携式定容感应器，包括第一弧形板和第二弧形板，所述第一弧形板的弧外侧和第二弧形板的弧外侧通过复位装置连接，复位装置包括第一斜板、第二斜板、两个第一伸缩杆和两个第二伸缩杆，第一弧形板弧外侧的下端和第二弧形板弧外侧的下端分别与两个第二伸缩杆的固定端固定连接，两个第二伸缩杆的伸缩端分别与第一斜板的底端和第二斜板的底端转动连接，第一斜板的中部和第二斜板的中部通过外部销轴转动连接，第一斜板的上端和第二斜板的上端分别与两个第一伸缩杆的伸缩端转动连接；本便携式定容感应器，操作人员不必使视线和刻度线平齐，降低了定容存在的人为误差，保证了容量瓶定容的准确性。
The utility model discloses a portable constant volume sensor, which comprises a first arc-shaped plate and a second arc-shaped plate, the outer side of the arc of the first arc-shaped plate and the outer side of the arc of the second arc-shaped plate are connected by a reset device, The reset device includes a first inclined plate, a second inclined plate, two first telescopic rods and two second telescopic rods, the lower end outside the first arc plate arc and the lower end outside the second arc plate arc are respectively connected with the two The fixed ends of the second telescopic rods are fixedly connected, the telescopic ends of the two second telescopic rods are respectively rotatably connected with the bottom end of the first inclined plate and the bottom end of the second inclined plate, and the middle part of the first inclined plate is connected to the second inclined plate. The middle part is connected by the external pin shaft in rotation, and the upper end of the first inclined plate and the upper end of the second inclined plate are respectively connected with the telescopic ends of the two first telescopic rods. The lines are flush, which reduces the human error in the constant volume, and ensures the accuracy of the volume constant of the volumetric flask.
Description
Technical Field
The utility model relates to an experimental facilities technical field specifically is a portable constant volume inductor.
Background
The constant volume operation is to dissolve or dilute the substance to a solution of a certain concentration with a volumetric flask, and the solvent needs to be accurately added to the scale mark of the volumetric flask. When the liquid level is 1-3cm away from the scale mark of the volumetric flask, careful slow dripping is needed. In actual operation, the experimenter need lift the volumetric flask and make scale mark and sight level mutually, handheld bottle, dropwise add on one hand, and operating efficiency is lower when the sample size is big, and has human error.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a portable constant volume inductor, this portable constant volume inductor can send the warning automatically when the dropwise add to the constant volume position, and the degree of accuracy is high, improves constant volume efficiency.
In order to achieve the above object, the utility model provides a following technical scheme: a portable constant volume inductor comprises a first arc-shaped plate and a second arc-shaped plate, wherein the arc outer side of the first arc-shaped plate and the arc outer side of the second arc-shaped plate are connected through a resetting device, the resetting device comprises a first inclined plate, a second inclined plate, two first telescopic rods and two second telescopic rods, the lower end of the arc outer side of the first arc-shaped plate and the lower end of the arc outer side of the second arc-shaped plate are respectively and fixedly connected with the fixed ends of the two second telescopic rods, the telescopic ends of the two second telescopic rods are respectively and rotatably connected with the bottom end of the first inclined plate and the bottom end of the second inclined plate, the middle part of the first inclined plate and the middle part of the second inclined plate are rotatably connected through external pin shafts, the upper end of the first inclined plate and the upper end of the second inclined plate are respectively and rotatably connected with the telescopic ends of the two first telescopic rods, and the positions, corresponding to the first telescopic rods, of the arc outer side of the, and the stiff end of first telescopic link stretches into corresponding spacing inslot, and the bottom of first swash plate and the bottom of second swash plate pass through the elastic component and connect.
Control detection module is installed in the arc outside of first arc, control detection module includes the controller, bee calling organ and signal emission sensor, signal emission sensor is installed to the arc inboard or the upper end of first arc, the signal detection sensor is installed to the position that the second arc corresponds signal emission sensor, the input of controller and the output electricity of battery are connected, the output of controller is connected with the input of bee calling organ and signal emission sensor's input electricity respectively, the input of controller and the output electricity of signal detection sensor are connected.
As a preferred technical scheme of the utility model, the arc inboard of first arc and the arc inboard of second arc all are fixed with the elasticity arc, and the elasticity arc does not shelter from signal emission sensor and signal detection sensor, and the elasticity arc is arc elasticity rubber or arc gasbag.
As an optimized technical scheme of the utility model, the top of slot hole is fixed with the permanent magnet, and the slider is permanent magnet or iron plate.
As an optimized technical scheme of the utility model, the signal emission sensor is infrared emitter, and the signal detection sensor is the infrared ray acceptor.
As an optimized technical scheme of the utility model, signal emission sensor is ultrasonic emission probe, and signal detection sensor is ultrasonic receiving probe.
As an optimal technical scheme of the utility model, the arc outside of first arc and the arc outside of second arc all are fixed with tensile piece, and tensile piece is tensile rope, tensile pole or tensile cover.
As a preferred technical scheme of the utility model, the outside extension of spacing inslot wall has the slot hole, and the rigidity that first telescopic link stiff end corresponds the slot hole has the slider with slot hole sliding connection.
As an optimized technical scheme of the utility model, the elastic component is elasticity rubber rope or spring.
As an optimal technical scheme of the utility model, first arc and second arc adopt transparent material, specifically can adopt transparent modification acid and alkali-resistance PC plastics material.
As an optimal technical scheme of the utility model, the bottom of first arc also is fixed with signal emission sensor, and the bottom of second arc also is fixed with signal detection sensor, and two signal emission sensor's interval is 1-3cm, preferred 3 cm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the portable constant volume inductor, operators do not need to level the sight line and the scale mark for a long time, so that the operation is more convenient, the personal error of constant volume is reduced, and the accuracy of constant volume operation is ensured; in addition, because the alarm can be automatically sent out when the dripping reaches the designated position, people do not need to pay attention to the adding amount of the dripping liquid all the time, the sample processing efficiency can be greatly improved when a large amount of samples are processed, and the hands of operators are released to a certain extent;
2. in the portable constant volume inductor exemplified by the utility model, the resetting device enables the first arc-shaped plate and the second arc-shaped plate to be kept in a buckling state, and the first arc-shaped plate and the second arc-shaped plate can be clamped on volumetric flasks with different diameters after being opened, so that the portable constant volume inductor has strong applicability;
3. the portable constant volume sensor of the example of the utility model pulls the first inclined plate and the second inclined plate outwards when the resetting device is used, so that the first inclined plate and the second inclined plate are prevented from limiting the buckling of the first arc-shaped plate and the second arc-shaped plate on the volumetric flask, the first inclined plate and the second inclined plate move towards the first arc-shaped plate when being stored, and the first inclined plate and the second inclined plate are superposed, so that the portable constant volume sensor is small in volume and convenient to carry after being stored; the cost is low, the operation is simple, a small storage battery is arranged, equipment such as a power supply and the like is not required to be connected, and the device can be widely popularized in a laboratory;
4. the portable constant volume inductor of the example of the utility model has the slider which is a permanent magnet or an iron block, when the portable constant volume inductor is stored, the permanent magnet and the slider are adsorbed to ensure that the reset device is firmly positioned, and the first arc-shaped plate and the second arc-shaped plate are firmly buckled;
5. in the portable constant volume inductor exemplified by the utility model, the slide block is connected with the long hole in a sliding way, the first telescopic rod can not be separated from the limiting groove, and the reliability of the resetting device is ensured;
6. the portable constant volume sensor of the example of the utility model adopts two groups of detection modules, liquid can be quickly added before the buzzer does not alarm, after the buzzer alarms, liquid is slowly added, and after the buzzer alarms twice, the liquid adding is stopped, so that the constant volume speed of the volumetric flask is further improved;
7. the utility model discloses the portable constant volume inductor of example, first arc and second arc adopt transparent modification acid and alkali-resistance PC plastics material, make the liquid feeding overall process naked eye visible, and the constant volume is more clear and definite, ensures the operation success.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the partial cross-sectional structure of FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is a schematic bottom view of the present invention.
In the figure: 1 first arc, 2 signal emission sensors, 3 elasticity arc, 4 signal detection sensors, 5 spacing grooves, 6 resetting means, 61 first telescopic link, 62 first swash plate, 63 second swash plate, 64 second telescopic link, 65 elastic component, 7 slot hole, 8 tensile piece, 9 controllers, 10 bee calling organ, 11 battery, 12 permanent magnet, 13 second arc, 14 sliders.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows: referring to fig. 1-4, the utility model discloses a portable constant volume sensor, which comprises a first arc plate 1 and a second arc plate 13 which are oppositely arranged, the arc outer side of the first arc plate 1 and the arc outer side of the second arc plate 13 are connected by a resetting device 6, specifically as shown in fig. 1, the resetting device 6 comprises a first inclined plate 62, a second inclined plate 63, two first telescopic rods 61 and two second telescopic rods 64, the lower end of the arc outer side of the first arc plate 1 and the lower end of the arc outer side of the second arc plate 13 are respectively fixedly connected with the fixed ends of the two second telescopic rods 64, the telescopic ends of the two second telescopic rods 64 are respectively rotatably connected with the bottom end of the first inclined plate 62 and the bottom end of the second inclined plate 63, the middle part of the first inclined plate 62 and the middle part of the second inclined plate 63 are rotatably connected by external pin shafts, the upper end of the first inclined plate 62 and the upper end of the second inclined plate 63 are respectively rotatably connected with the telescopic ends of the two first telescopic rods 61, first telescopic link 61 and second telescopic link 64 make the upper end of first swash plate 62 and second swash plate 63 adjustable with the distance of first arc 1, the spacing groove 5 of vertical direction is all seted up in the position that first arc 1 arc outside and second arc 13 arc outside correspond first telescopic link 61, and the stiff end of first telescopic link 61 stretches into corresponding spacing groove 5 in, spacing groove 5 makes first telescopic link 61 can only reciprocate along spacing groove 5, the bottom of first swash plate 62 and the bottom of second swash plate 63 are passed through elastic component 65 and are connected, first arc 1 and second arc 13 lock are in the same place during initial, elastic component 65 is the shortest this moment, draw when first arc 1 and second arc 13 and begin, elastic component 65 extends, elastic component 65 has the elasticity of inside shrink.
The elastic member 65 of this embodiment is an elastic rubber string or spring.
Resetting means 6 makes first arc 1 and second arc 13 keep at the lock state, and first arc 1 and second arc 13 can the centre gripping after opening on the volumetric flask of different diameters, and this portable constant volume inductor suitability is strong.
Outwards stimulate first swash plate 62 and second swash plate 63 during resetting means 6 uses, avoid first swash plate 62 and second swash plate 63 to restrict first arc 1 and second arc 13 lock on the volumetric flask, first swash plate 62 and second swash plate 63 remove to first arc 1 when accomodating, first swash plate 62 and the coincidence of second swash plate 63, and this portable constant volume inductor is accomodate the back and is small, portable.
Control detection module is installed in the arc outside of first arc 1, control detection module includes controller 9, bee calling organ 10 and signalling sensor 2, signalling sensor 2 is installed to the arc inboard or the upper end of first arc 1, signal detection sensor 4 is installed to the position that second arc 13 corresponds signalling sensor 2, the input of controller 9 and battery 11's output electricity are connected, the output of controller 9 is connected with bee calling organ 10's input and signalling sensor 2's input electricity respectively, the input of controller 9 and the output electricity of signalling sensor 4 are connected.
Operators do not need to level the sight line and the scale mark for a long time, so that the operation is more convenient, the human error in constant volume is reduced, and the accuracy of constant volume operation is ensured; in addition, because the dropwise add can send the warning automatically when reaching the assigned position, people need not to pay attention to the volume of adding liquid often, can improve sample processing efficiency greatly when having a large amount of sample to liberate operating personnel's both hands to a certain extent.
The controller 9 of the embodiment is preferably a single chip microcomputer, the single chip microcomputer is preferably an 80C51 single chip microcomputer, and the 80C51 single chip microcomputer is provided with a control switch, and the control switch can control the operation or the closing of the 80C51 single chip microcomputer.
The inner sides of the first arc-shaped plate 1 and the second arc-shaped plate 13 are both fixed with elastic arc-shaped parts 3, the elastic arc-shaped parts 3 do not shield the signal emission sensor 2 and the signal detection sensor 4, and the elastic arc-shaped parts 3 are arc elastic rubber or arc airbags.
Further, the top of slot hole 7 is fixed with permanent magnet 12, and slider 14 is permanent magnet or iron plate, and when this portable constant volume inductor was accomodate, permanent magnet 12 and slider 14 adsorb and make 6 fixed positions of resetting means firm, and first arc 1 and the 13 locks of second arc are firm.
Further, the signal emitting sensor 2 is an infrared emitter, and the signal detecting sensor 4 is an infrared receiver.
Further, a stretching piece 8 is fixed on the arc outer side of the first arc-shaped plate 1 and the arc outer side of the second arc-shaped plate 13, and the stretching piece 8 is a stretching rope, a stretching rod or a stretching sleeve.
Specifically, as shown in fig. 3, a long hole 7 extends outward from the inner wall of the limiting groove 5, and a slider 14 slidably connected with the long hole 7 is fixed at the fixed end of the first telescopic rod 61 corresponding to the position of the long hole 7; the sliding block 14 is connected with the long hole 7 in a sliding mode, the first telescopic rod 61 cannot be separated from the limiting groove 5, and the reliability of the resetting device 6 is guaranteed.
The first arc-shaped plate 1 and the second arc-shaped plate 13 are both made of transparent modified acid and alkali resistant PC plastic materials.
The battery 11 is preferably a small rechargeable battery with a charging interface.
The infrared transmitter comprises an infrared transmitter and an infrared receiver, the infrared transmitter transmits an infrared signal, the infrared receiver receives the infrared signal, and the infrared receiver detects the intensity of the received infrared signal; the infrared emitter is a common electrical element in the prior art;
the mode of controlling the infrared emitter, the infrared receiver and the buzzer 10 by the single chip microcomputer is a common method in the prior art, and the controller 9 is preferably an 80C51 single chip microcomputer; the utility model discloses in singlechip, infrared emitter, infrared receiver and bee calling organ 10 etc. that use be the electronic component commonly used among the prior art, and its working method and circuit structure are the well-known technology, do not describe herein any more.
When in use: the first inclined plate 62 is pulled to move in the direction far away from the first arc-shaped plate 1, the first inclined plate 62 and the second inclined plate 63 are far away from the first arc-shaped plate 1 and the second arc-shaped plate 13, and the two first telescopic rods 61 and the two second telescopic rods 64 are extended;
the first arc-shaped plate 1 and the second arc-shaped plate 13 are buckled together initially, the first arc-shaped plate 1 and the second arc-shaped plate 13 are pulled to be far away through the two stretching pieces 8, the first inclined plate 62 and the second inclined plate 63 drive the corresponding first telescopic rods 61 to move downwards, the first arc-shaped plate 1 and the second arc-shaped plate 13 are clamped on the volumetric flask, the scale lines of the volumetric flask correspond to the signal transmitting sensors 2, the elastic arc-shaped piece 3 reduces the acting force of the first arc-shaped plate 1 and the second arc-shaped plate 13 when just contacting the volumetric flask, and the first arc-shaped plate 1 and the second arc-shaped plate 13 are buckled on the volumetric flask through the opposite acting force of the elastic piece 65 pulling the first arc-shaped plate 1 and the second arc-shaped plate 13;
to pouring into liquid in the volumetric flask, controller 9 control infrared emitter transmission infrared ray, infrared acceptor detects received infrared ray intensity and with this data transmission to controller 9 in, liquid to scale mark department in the volumetric flask, infrared emitter's infrared ray needs pass liquid more this moment, and intensity can take place the decay when infrared ray passes liquid, controller 9 detects infrared ray intensity through infrared acceptor and can take place the decay, controller 9 control bee calling organ 10 sends buzzing and reminds the liquid level and the scale mark coincidence in the user's volumetric flask.
When the portable constant volume inductor is removed, the first arc-shaped plate 1 and the second arc-shaped plate 13 are pulled to be far away through the two stretching pieces 8, the first arc-shaped plate 1 and the second arc-shaped plate 13 are taken down from the measuring bottle, the stretching pieces 8 are loosened, the elastic piece 65 pulls the bottom end of the first inclined plate 62 and the bottom end of the second inclined plate 63 to move oppositely, the top end of the first inclined plate 62 and the top end of the second inclined plate 63 drive the corresponding first telescopic rods 61 to move upwards, and the two first telescopic rods 61 move oppositely, so that the first arc-shaped plate and the second arc-shaped plate 13 move oppositely; the slide block 14 is a permanent magnet block or an iron block, and the permanent magnet 12 and the slide block 14 are adsorbed to firmly position the resetting device 6.
The utility model discloses: 1. operators do not need to level the sight line and the scale mark for a long time, so that the operation is more convenient, the human error in constant volume is reduced, and the accuracy of constant volume operation is ensured; in addition, because the alarm can be automatically sent out when the dripping reaches the designated position, people do not need to pay attention to the amount of the added liquid all the time, the sample processing efficiency can be greatly improved when a large amount of samples are processed, and the hands of operators are released to a certain extent;
2. the resetting device 6 enables the first arc-shaped plate 1 and the second arc-shaped plate 13 to be kept in a buckling state, and the first arc-shaped plate 1 and the second arc-shaped plate 13 can be clamped on volumetric flasks with different diameters after being opened, so that the portable constant volume sensor is high in applicability;
3. the sliding block 14 is a permanent magnet block or an iron block, when the portable constant volume inductor is stored, the permanent magnet 12 and the sliding block 14 are adsorbed to enable the reset device 6 to be firmly positioned, and the first arc-shaped plate 1 and the second arc-shaped plate 13 are firmly buckled;
4. when the resetting device 6 is used, the first sloping plate 62 and the second sloping plate 63 are pulled outwards, the first sloping plate 62 and the second sloping plate 63 are prevented from limiting the first arc-shaped plate 1 and the second arc-shaped plate 13 to be buckled on the volumetric flask, the first sloping plate 62 and the second sloping plate 63 move towards the first arc-shaped plate 1 when being stored, and the first sloping plate 62 and the second sloping plate 63 are overlapped; the cost is low, the operation is simple, a small storage battery is arranged, equipment such as a power supply and the like is not required to be connected, and the device can be widely popularized in a laboratory;
5. the sliding block 14 is connected with the long hole 7 in a sliding mode, the first telescopic rod 61 cannot be separated from the limiting groove 5, and the reliability of the resetting device 6 is guaranteed.
6. The first arc-shaped plate and the second arc-shaped plate are made of transparent modified acid-base-resistant PC plastic materials, so that the whole liquid adding process can be seen by naked eyes, the constant volume is clearer and more definite, and the successful operation is ensured.
Example two: as shown in fig. 1, 2 and 3, the present embodiment discloses a portable constant volume sensor, which has a structure substantially the same as that of the first embodiment, except that the signal transmitting sensor 2 of the present embodiment is an ultrasonic transmitting probe, and the signal detecting sensor 4 is an ultrasonic receiving probe.
The utility model discloses the ultrasonic emission probe that uses in, ultrasonic wave receiving probe etc. are the electronic component commonly used among the prior art, and its working method and circuit structure are the well-known technology, do not describe here any more.
When in use: to pouring into liquid in the volumetric flask, controller 9 control ultrasonic emission probe sends the ultrasonic wave, ultrasonic receiving probe detects received ultrasonic wave intensity and with this data transmission to controller 9 on, liquid to scale mark department in the volumetric flask, the ultrasonic wave of ultrasonic emission probe transmission needs to pass liquid more this moment, and the ultrasonic wave intensity can take place the decay when passing liquid, controller 9 detects ultrasonic wave intensity through ultrasonic receiving probe and can take place the decay, controller 9 control bee calling organ 10 sends liquid level and the coincidence of scale mark in buzzing warning volumetric flask.
Example three: as shown in fig. 4, the present embodiment discloses a portable constant volume sensor, which has a structure substantially the same as that of the first embodiment and the second embodiment, except that a signal emitting sensor 2 is also fixed to the bottom end of the first arc-shaped plate 1 of the present embodiment, a signal detecting sensor 4 is also fixed to the bottom end of the second arc-shaped plate 13, the signal detecting sensor 4 is located below the scale line of the volumetric flask, and the distance between the two signal emitting sensors (2) is 3 cm. In specific implementation, the distance between the two signal emission sensors (2) is not limited to 3cm in the embodiment, and the distance can be adjusted according to specific needs, and is generally 1-3 cm.
When in use: when the controller 9 detects that the liquid level in the volumetric flask rises to the signal detection sensor 4 at the bottom end of the second arc-shaped plate 13 through the signal detection sensor 4 at the bottom end of the second arc-shaped plate 13, the controller 9 controls the buzzer 10 to buzz to remind a user of slowly dropping liquid; when the controller 9 detects the coincidence of the liquid level and the scale mark in the volumetric flask through the signal detection sensor 4 on the upper part of the second arc-shaped plate 13, the controller 9 controls the buzzer 10 to buzz for reminding a user of dropping liquid.
The utility model discloses, adopt two sets of detection module, bee calling organ 10 can quick liquid feeding before not reporting to the police, and after 10 audible alarm of bee calling organ, slow liquid feeding stops the liquid feeding after 10 two audible alarm of bee calling organ, has improved the constant volume speed of volumetric flask.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232113.9U CN210496476U (en) | 2019-08-01 | 2019-08-01 | Portable constant volume inductor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921232113.9U CN210496476U (en) | 2019-08-01 | 2019-08-01 | Portable constant volume inductor |
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| CN210496476U true CN210496476U (en) | 2020-05-12 |
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| CN201921232113.9U Active CN210496476U (en) | 2019-08-01 | 2019-08-01 | Portable constant volume inductor |
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