CN204944617U - Level detection and evenly mixing device and equipment - Google Patents
Level detection and evenly mixing device and equipment Download PDFInfo
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- CN204944617U CN204944617U CN201520594485.1U CN201520594485U CN204944617U CN 204944617 U CN204944617 U CN 204944617U CN 201520594485 U CN201520594485 U CN 201520594485U CN 204944617 U CN204944617 U CN 204944617U
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- level detection
- mixing device
- evenly mixing
- transducer
- control circuit
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Abstract
The utility model discloses a kind of level detection and evenly mixing device and equipment, for carrying out level detection and mixing to the liquid in container, this level detection and evenly mixing device comprise control circuit board, base, transducer and sample needle, this transducer is installed on this base, this sample needle is connected to the bottom of this transducer, and this control circuit board is electrically connected with this transducer, wherein, converting electric energy is mechanical energy and drives this sample needle to move by this transducer under the control of this control circuit board, thus carries out level detection and mixing to the liquid in this container.Level detection of the present utility model and evenly mixing device are integrated with the function of cleaning mixing, induction liquid level, application of sample, and conserve space, structure is simple.
Description
Technical field
The utility model relates to medical instruments field, is specifically related to a kind of level detection and evenly mixing device and equipment.
Background technology
In equipment at home and abroad in the same industry, the mixing of reagent and the mode of cleaning use machinery wave backwashing manner to realize, this mode has certain limitation, mixing scavenging period is long, and mixing cleaning performance is undesirable, makes chemical reaction insufficient, be difficult to the consistance ensureing cleaning mixing, be that cleaning mixing and induction liquid level apparatus separate, such apparatus structure is huge, complicated simultaneously, efficiency is low, is unfavorable for the miniaturization development of instrument.Simultaneously liquid level responds to the complex structure that traditional mode adopts the variation pattern of resistance conducting or electric capacity to realize, and charged having a certain impact to chemical reaction and easily electrolysis reagent and probe itself of popping one's head in, is easily subject to the interference such as electromagnetism.
Utility model content
The purpose of this utility model is to provide a kind of level detection and evenly mixing device and equipment, to solve above-mentioned problems of the prior art.
For achieving the above object, according to an aspect of the present utility model, provide a kind of level detection and evenly mixing device, for carrying out level detection and mixing to the liquid in container, described level detection and evenly mixing device comprise control circuit board, base, transducer and sample needle, described transducer is installed on described base, described sample needle is connected to the bottom of described transducer, and described control circuit board is electrically connected with described transducer, wherein, converting electric energy is mechanical energy and drives described sample needle to move by described transducer under the control of described control circuit board, thus level detection and mixing are carried out to the liquid in described container.
Preferably, described transducer comprises piezoelectric ceramic piece, briquetting, holder and screw, described piezoelectric ceramic piece is placed in the top of described holder, described briquetting is placed on described piezoelectric ceramic piece, and described briquetting and piezoelectric ceramic piece are fixed on described holder by described screw, wherein, described control circuit board is electrically connected with described piezoelectric ceramic piece.
Preferably, described base is provided with cavity, and described level detection and evenly mixing device also comprise pressing plate, and described transducer to be arranged in described cavity and to be fixed by described pressing plate.
Preferably, the inside of described sample needle is provided with first passage, is provided with second channel and connecting hole in described holder, and described first passage, second channel are communicated with connecting hole fluid.
Preferably, described level detection and evenly mixing device also comprise influidic pipe, and described influidic pipe is connected on described connecting hole, wherein in described influidic pipe, arranges liquid sucking device, under the effect of described liquid sucking device, the liquid in described container can flow in described first passage.
Preferably, described level detection and evenly mixing device also comprise nut, and the lower end of described holder is provided with mounting hole, and the upper end of described sample needle to be contained in described mounting hole and to be fixed by described nut.
Preferably, described control circuit board is provided with CAN, CPU module, DC-DC supply module, full-bridge circuit, wave filter, step-up transformer, electric current and voltage signal phase place conditioning module, VCO/PLL module and full-bridge control circuit, wherein, CAN is electrically connected with CPU module, CPU module is electrically connected with DC-DC supply module, DC-DC supply module is electrically connected with full-bridge circuit, described full-bridge circuit, wave filter, step-up transformer, electric current and voltage signal phase place conditioning module, VCO/PLL module and full-bridge control circuit are electrically connected successively, and the output terminal of described step-up transformer is electrically connected with described transducer.
Preferably, described control circuit board is also provided with liquid level detection circuit, one end of described liquid level detection circuit is connected to described VCO/PLL module, and the other end is connected to described CPU module.
Preferably, described control circuit board goes back PLL lock detecting circuit, and one end of described PLL lock detecting circuit is connected to described VCO/PLL module, and the other end is connected to described CPU module.
According to another aspect of the present utility model, provide a kind of level detection and uniform mixing equipment, described equipment comprises mechanical arm and above-described level detection and evenly mixing device, described level detection and evenly mixing device are installed on described mechanical arm, and described mechanical arm drives described level detection and evenly mixing device to carry out moving up and down or moving left and right.
Detection of the present utility model and evenly mixing device rinse cleaner than traditional washing lotion, avoid the cross pollution to sampling needle.By the reagent cleaning mixing regulating the watt level of cleaning mixing can adapt to different volumes.
In addition, detection of the present utility model and evenly mixing device are owing to passing through mechanical wave (ultrasound wave) mode, sample needle is not charged can not electrolyte and pin itself, and be variation sensing liquid level by contacting different medium phase places so highly sensitive amount of reagent of namely wasting is little cost-saving, simultaneously not high by interference stabilities such as electromagnetism.
Therefore, detection of the present utility model and evenly mixing device cleaning mix, induction liquid level, application of sample are integrated, and saved space, structure is simple, and by CAN easily by detection of the present utility model and evenly mixing device embedding instrument system, controllability is strong.
Accompanying drawing explanation
Fig. 1 is the structural representation of level detection according to the utility model embodiment and evenly mixing device.
Fig. 2 is the cut-open view of level detection according to the utility model embodiment and evenly mixing device.
Fig. 3 is the control circui block diagram of level detection according to the utility model embodiment and evenly mixing device.
Embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail, understands the purpose of this utility model, feature and advantage so that clearer.It should be understood that embodiment shown in the drawings is not the restriction to the utility model scope, and the connotation just in order to technical solutions of the utility model are described.
Term explanation
Level detection: the degree of depth of the liquid that has that it's too late of the liquid in inspection instrument.
Liquid sucking device: by liquid from a local device sucking another place.
VCO: voltage controlled oscillator.
PLL: phaselocked loop.
Mixing: each composition in liquid is mixed.
Level detection of the present utility model and evenly mixing device are mainly used for carrying out level detection and mixing to the liquid in container, clean in particular for mixing, react dregs in medicine equipment in-vitro diagnosis equipment to chemical reaction and respond to liquid level.Generally include control circuit board, base, transducer and sample needle, transducer is installed on base, sample needle is connected to the bottom of transducer, control circuit board is electrically connected with transducer, and converting electric energy is mechanical energy and drives sample needle to carry out level detection and mixing to the liquid in container by transducer under the control of control circuit board.
Below in conjunction with Fig. 1 ~ 3, an embodiment of the present utility model is described in detail.
Fig. 1 is the structural representation of level detection of the present utility model and evenly mixing device 100, and Fig. 2 is the cut-open view of level detection of the present utility model and evenly mixing device 100.As shown in Figure 1-2, level detection and evenly mixing device 100 comprise control circuit board 50, base 31, pressing plate 32, O-ring seal 33, transducer and sample needle 11.Wherein, transducer comprises holder 21, piezoelectric ceramic piece 22, briquetting 23 and screw 24.Piezoelectric ceramic piece 22 is placed on holder 21, and briquetting 23 is placed on piezoelectric ceramic piece 22.
The top of holder 21 is provided with screw hole 213, and the side of holder 21 is provided with connecting hole 212, and the inside of holder 21 is provided with second channel 211.The middle part of briquetting 23 is provided with the first through hole 231, and the middle part of piezoelectric ceramic piece 22 is provided with the second through hole 221, and screw 24 stretches into the first through hole 231, second through hole 221 and briquetting 23 and piezoelectric ceramic piece 22 is connected on holder 21.
Base 30 is provided with cavity 31, and transducer is installed in cavity 31, and transducer is fixed to base 30 from lower end by pressing plate 32.O-ring seal 33 is also provided with between pressing plate 32 and transducer.O-ring seal 33 can be multiple.In the present embodiment, O-ring seal 33 is two.
Control circuit board 50 is electrically connected with transducer and provides electric energy for transducer.Particularly, in the present embodiment, have two pieces of piezoelectric ceramic pieces 22, the both positive and negative polarity output terminal of control circuit board 50 is electrically connected with two pieces of piezoelectric ceramic pieces 22 respectively.
As shown in Figure 2, the inside of sample needle 11 is provided with first passage 111, the inside of holder 21 is provided with second channel 211, the side of holder 21 is provided with connecting hole 212, the bottom of holder 21 is provided with mounting hole 214, the upper end of sample needle is provided with protuberance 112, and protuberance 112 is contained in mounting hole 214.In mounting hole 214, be provided with internal thread, bolt 12 is around sample pin 21 and be connected with mounting hole 214, thus sample needle 11 is fixed to holder 21.
After sample needle 11 is connected on holder 21, first passage 111, second channel 211 are communicated with connecting hole 212 fluid.Connecting hole 212 is connected with influidic pipe (not shown), and influidic pipe inside is provided with liquid sucking device (not shown), and liquid sucking device can be the conventional equipment such as piston or syringe.
As shown in Figure 1, now, if the lower end of sample needle 11 is placed in container 40, and with the liquid comes into contact in container 40, when drive liquid sucking device time, the liquid in container 40 can enter in the first passage 111 in sampling needle 11.If now level detection and evenly mixing device 100 are turned to other position, and by driving washing lotion device to be released by the liquid in first passage 111, can complete and the liquid in container 40 is sampled.Wherein, container 40 can be reagent cup etc.
Fig. 3 is the control circui block diagram of level detection of the present utility model and evenly mixing device 100.As shown in Figure 3, control circuit board 50 is provided with CAN, CPU module, DC-DC supply module, full-bridge circuit, wave filter, step-up transformer, electric current and voltage signal phase place conditioning module, VCO/PLL module, full-bridge control circuit, liquid level detection circuit and PLL lock detecting circuit.Wherein, CAN is electrically connected with CPU module, CPU module is electrically connected with DC-DC supply module, DC-DC supply module is electrically connected with full-bridge circuit, and full-bridge circuit, wave filter, step-up transformer, electric current and voltage signal phase place conditioning module, VCO/PLL module and full-bridge control circuit are electrically connected successively.One end of liquid level detection circuit and PLL lock detecting circuit is connected in VCO/PLL module, and the other end is connected to CPU module.The output terminal of step-up transformer is electrically connected with transducer.Wherein, electric current and voltage signal phase place conditioning module are used for gathering the electric signal being delivered to ultrasonic transducer from step-up transformer, and PLL lock detecting circuit is for ensureing transducer steady operation, and CAN is used for detecting and evenly mixing device embedding instrument system.
As shown in Figures 1 to 3, during operation, DC-DC supply module is that full-bridge circuit is powered, full-bridge circuit produces high-frequency oscillation signal, this high-frequency oscillation signal is after filtering after device filtering, become the high-frequency oscillation signal that frequency is 36KHZ, then by passing to transducer after step-up transformer, converting electric energy is ultrasonic mechanical vibration by transducer, this ultrasonic mechanical vibration becomes secondary through sample needle 11 and amplifies, when liquid in sample needle 11 contacting container 40, this change pair amplify after ultrasonic mechanical vibration propagate in liquid and produce cavitation phenomenon reagent is mixed.
In use, detection and evenly mixing device 100 are connected on a mechanical arm usually, are driven the motion of detection and evenly mixing device 100 by the motion of mechanical arm.
When sample needle 11 touches the liquid in container 20, the electric current being delivered to transducer from step-up transformer will occur significantly to change, this change is after VCO/PLL resume module, pass to liquid level detection circuit, the signal that CPU module reception liquid level detection circuit transmits also judges that sampling needle 11 touches liquid.Now, CPU module sends instruction, and the electric current being delivered to transducer increases, thus mechanical vibration are strengthened, and sampling needle 11 performs mixing work.
In operation, when after the mixing that sampling needle 11 completes the liquid in container, mechanical arm controls detection and evenly mixing device 100 moves to tank, under the control of control circuit board 50, by transducer, high-frequency oscillation signal is converted into the mechanical vibration of sampling needle 11, thus complete self-cleaning in the sink, namely wash the reagent remained on sampling needle 11.Then, under the drive of mechanical arm, sampling needle 11 again moves in other container and carries out sampling or mixing.
Therefore, according to another reverse side of the present utility model, additionally provide a kind of level detection and uniform mixing equipment, this equipment comprises mechanical arm and level detection mentioned above and evenly mixing device 100, level detection and evenly mixing device 100 are installed on mechanical arm, drive level detection evenly mixing device to carry out moving up and down or moving left and right by mechanical arm.
Detection of the present utility model and evenly mixing device rinse cleaner than traditional washing lotion, avoid the cross pollution to sampling needle.By the reagent cleaning mixing regulating the watt level of cleaning mixing can adapt to different volumes.
In addition, detection of the present utility model and evenly mixing device are owing to passing through mechanical wave (ultrasound wave) mode, sample needle is not charged can not electrolyte and pin itself, and be variation sensing liquid level by contacting different medium phase places so highly sensitive amount of reagent of namely wasting is little cost-saving, simultaneously not high by interference stabilities such as electromagnetism.
Therefore, detection of the present utility model and evenly mixing device cleaning mix, induction liquid level, application of sample are integrated, and saved space, structure is simple, and by CAN easily by detection of the present utility model and evenly mixing device embedding instrument system, controllability is strong.
Below described preferred embodiment of the present utility model in detail, but it will be appreciated that, after having read above-mentioned instruction content of the present utility model, those skilled in the art can make various changes or modifications the utility model.These equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. a level detection and evenly mixing device, for carrying out level detection and mixing to the liquid in container, it is characterized in that, described level detection and evenly mixing device comprise control circuit board, base, transducer and sample needle, described transducer is installed on described base, described sample needle is connected to the bottom of described transducer, and described control circuit board is electrically connected with described transducer, wherein, converting electric energy is mechanical energy and drives described sample needle to move by described transducer under the control of described control circuit board, thus level detection and mixing are carried out to the liquid in described container.
2. level detection according to claim 1 and evenly mixing device, it is characterized in that, described transducer comprises piezoelectric ceramic piece, briquetting, holder and screw, described piezoelectric ceramic piece is placed in the top of described holder, described briquetting is placed on described piezoelectric ceramic piece, and described briquetting and piezoelectric ceramic piece are fixed on described holder by described screw, wherein, described control circuit board is electrically connected with described piezoelectric ceramic piece.
3. level detection according to claim 1 and evenly mixing device, is characterized in that, described base is provided with cavity, and described level detection and evenly mixing device also comprise pressing plate, and described transducer to be arranged in described cavity and to be fixed by described pressing plate.
4. level detection according to claim 2 and evenly mixing device, is characterized in that, the inside of described sample needle is provided with first passage, is provided with second channel and connecting hole in described holder, and described first passage, second channel are communicated with connecting hole fluid.
5. level detection according to claim 4 and evenly mixing device, it is characterized in that, described level detection and evenly mixing device also comprise influidic pipe, described influidic pipe is connected on described connecting hole, wherein liquid sucking device is set in described influidic pipe, under the effect of described liquid sucking device, the liquid in described container can flow in described first passage.
6. level detection according to claim 2 and evenly mixing device, it is characterized in that, described level detection and evenly mixing device also comprise nut, and the lower end of described holder is provided with mounting hole, and the upper end of described sample needle to be contained in described mounting hole and to be fixed by described nut.
7. level detection according to claim 1 and evenly mixing device, it is characterized in that, described control circuit board is provided with CAN, CPU module, DC-DC supply module, full-bridge circuit, wave filter, step-up transformer, electric current and voltage signal phase place conditioning module, VCO/PLL module and full-bridge control circuit, wherein, CAN is electrically connected with CPU module, CPU module is electrically connected with DC-DC supply module, DC-DC supply module is electrically connected with full-bridge circuit, described full-bridge circuit, wave filter, step-up transformer, electric current and voltage signal phase place conditioning module, VCO/PLL module and full-bridge control circuit are electrically connected successively, and the output terminal of described step-up transformer is electrically connected with described transducer.
8. level detection according to claim 7 and evenly mixing device, is characterized in that, described control circuit board is also provided with liquid level detection circuit, and one end of described liquid level detection circuit is connected to described VCO/PLL module, and the other end is connected to described CPU module.
9. level detection according to claim 7 and evenly mixing device, is characterized in that, described control circuit board goes back PLL lock detecting circuit, and one end of described PLL lock detecting circuit is connected to described VCO/PLL module, and the other end is connected to described CPU module.
10. a level detection and uniform mixing equipment, it is characterized in that, described equipment comprises mechanical arm and the level detection described in any one of claim 1 ~ 9 and evenly mixing device, described level detection and evenly mixing device are installed on described mechanical arm, and described mechanical arm drives described level detection and evenly mixing device to carry out moving up and down or moving left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594485.1U CN204944617U (en) | 2015-08-07 | 2015-08-07 | Level detection and evenly mixing device and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520594485.1U CN204944617U (en) | 2015-08-07 | 2015-08-07 | Level detection and evenly mixing device and equipment |
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| CN204944617U true CN204944617U (en) | 2016-01-06 |
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| CN201520594485.1U Expired - Fee Related CN204944617U (en) | 2015-08-07 | 2015-08-07 | Level detection and evenly mixing device and equipment |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596242A (en) * | 2017-01-11 | 2017-04-26 | 李秀霞 | Ultrasonic stirring device |
| CN107569740A (en) * | 2017-09-05 | 2018-01-12 | 吴伟祥 | A kind of multifunctional medical Intelligent transfusion apparatus |
| CN113514657A (en) * | 2021-04-22 | 2021-10-19 | 长沙海柯生物科技有限公司 | Multifunctional sample adding device for inspection equipment |
| US20220178879A1 (en) * | 2020-12-04 | 2022-06-09 | Perceptive Sensor Technologies, Inc. | Multi-bounce acoustic signal material detection |
| US11729537B2 (en) | 2020-12-02 | 2023-08-15 | Perceptive Sensor Technologies, Inc. | Variable angle transducer interface block |
| US11788904B2 (en) | 2020-12-04 | 2023-10-17 | Perceptive Sensor Technologies, Inc. | Acoustic temperature measurement in layered environments |
| US11846537B2 (en) | 2019-05-31 | 2023-12-19 | Perceptive Sensor Technologies, Inc. | Non-linear ultrasound method and apparatus for quantitative detection of materials |
| US11860014B2 (en) | 2022-02-11 | 2024-01-02 | Perceptive Sensor Technologies, Inc. | Acoustic signal detection of material composition in static and dynamic conditions |
| US11940420B2 (en) | 2022-07-19 | 2024-03-26 | Perceptive Sensor Technologies, Inc. | Acoustic signal material identification with nanotube couplant |
| US11946905B2 (en) | 2020-12-30 | 2024-04-02 | Perceptive Sensor Technologies, Inc. | Evaluation of fluid quality with signals |
-
2015
- 2015-08-07 CN CN201520594485.1U patent/CN204944617U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596242A (en) * | 2017-01-11 | 2017-04-26 | 李秀霞 | Ultrasonic stirring device |
| CN107569740A (en) * | 2017-09-05 | 2018-01-12 | 吴伟祥 | A kind of multifunctional medical Intelligent transfusion apparatus |
| US11846537B2 (en) | 2019-05-31 | 2023-12-19 | Perceptive Sensor Technologies, Inc. | Non-linear ultrasound method and apparatus for quantitative detection of materials |
| US11729537B2 (en) | 2020-12-02 | 2023-08-15 | Perceptive Sensor Technologies, Inc. | Variable angle transducer interface block |
| US20220178879A1 (en) * | 2020-12-04 | 2022-06-09 | Perceptive Sensor Technologies, Inc. | Multi-bounce acoustic signal material detection |
| US11788904B2 (en) | 2020-12-04 | 2023-10-17 | Perceptive Sensor Technologies, Inc. | Acoustic temperature measurement in layered environments |
| US11946905B2 (en) | 2020-12-30 | 2024-04-02 | Perceptive Sensor Technologies, Inc. | Evaluation of fluid quality with signals |
| CN113514657A (en) * | 2021-04-22 | 2021-10-19 | 长沙海柯生物科技有限公司 | Multifunctional sample adding device for inspection equipment |
| US11860014B2 (en) | 2022-02-11 | 2024-01-02 | Perceptive Sensor Technologies, Inc. | Acoustic signal detection of material composition in static and dynamic conditions |
| US11940420B2 (en) | 2022-07-19 | 2024-03-26 | Perceptive Sensor Technologies, Inc. | Acoustic signal material identification with nanotube couplant |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 201108 Lane 152, 468, Beihengsha River Road, Minhang District, Shanghai Co-patentee after: ZHEJIANG LANYI PHARMACEUTICAL CO., LTD. Patentee after: Lanyi Technology Group Co., Ltd. Address before: No. 85 Youdong Road, Minhang District, Shanghai 201100 Co-patentee before: ZHEJIANG LANYI PHARMACEUTICAL CO., LTD. Patentee before: SHANGHAI AILEX TECHNOLOGY CO., LTD. |
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| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160106 Termination date: 20200807 |
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| CF01 | Termination of patent right due to non-payment of annual fee |