CN207675193U - A kind of low-temperature biological article handling managing device based on hall sensing sensor - Google Patents
A kind of low-temperature biological article handling managing device based on hall sensing sensor Download PDFInfo
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- CN207675193U CN207675193U CN201721920291.1U CN201721920291U CN207675193U CN 207675193 U CN207675193 U CN 207675193U CN 201721920291 U CN201721920291 U CN 201721920291U CN 207675193 U CN207675193 U CN 207675193U
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Abstract
The low-temperature biological article handling managing device based on hall sensing sensor that the utility model is related to a kind of, including vessel, the heat preservation corking for keeping the temperature isolation, magnetic bead, Hall sensor, microcontroller, control solenoid valve of the liquid nitrogen for application, the heat preservation corking is mounted on vessel, Hall sensor is installed on the vessel outer wall, the insulation plug covers the magnetic bead for being equipped with and coordinating with Hall sensor, the Hall sensor is exported signal is detected to microcontroller, and the microcontroller output control signal is to control the break-make of solenoid valve.The utility model installed in insulation cover magnetic bead and tank mouth install sensor, when magnetic bead generate magnetic field enter sensor detection range, can it is sensitive and it is convenient perceive insulation cover position of the switch situation.The device uses magnetic effect principle, does not generate contact；There is no mechanical moving element, stability is more preferably；The range of magnetic effect is wider, lower to manually operated requirement.
Description
Technical field
The low-temperature biological article handling managing device based on hall sensing sensor that the utility model is related to a kind of.
Background technology
Low-temperature biological container is the equipment for storing the precious sample such as biological cell under liquid nitrogen temperature, and top is usually
There is the heat of insulation cover isolated environment, insulation cover need to be opened in use, and be put into or take out sample, should then close in time
It closes, otherwise the liquid nitrogen in container can evaporate rapidly, and temperature raising causes biological sample to fail.
The defect and deficiency of the prior art：
1. existing mainstream way uses contact travel switch, or uses tongue tube sensor, these methods require
Insulation cover position when taking out and putting back to cannot deviate, and insulation cover needs are in direct contact with sensor, otherwise can not be detected
Lid is put back；Lead to false alarm and maloperation.
2. usually such sensor needs to install open-wire line, equipment beauty is influenced.
Utility model content
The low-temperature biological article handling management based on hall sensing sensor that the purpose of this utility model is to provide a kind of
Device can well solve the problem of insulation cover needs to touch sensor and asking to the limitation of insulation cover placement location
Topic.
To achieve the goals above, the utility model provides following technical scheme：
The utility model provides a kind of low-temperature biological article handling managing device based on hall sensing sensor, including holds
Device ontology, the heat preservation corking for keeping the temperature isolation, magnetic bead, Hall sensor, microcontroller, control liquid nitrogen are protected for the solenoid valve of application
Warm corking is mounted on vessel, is equipped with Hall sensor on vessel outer wall, and insulation plug, which covers, to be equipped with and Hall
The magnetic bead of sensor cooperation, Hall sensor will detect signal and export to microcontroller, and microcontroller output control signal is to control electricity
The break-make of magnet valve.
Further, Hall sensor is mounted on by holder on vessel outer wall.
Further, for Hall sensor from vessel edge 20mm, height is lower than container bulk container mouth edge
10mm。
Further, magnetic bead is mounted on the inside of heat preservation corking.
Further, magnetic bead is in heat preservation corking lower position, and the height of magnetic bead is lower than container bulk container mouth edge
10mm。
Further, a diameter of 10mm of magnetic bead.
Still further, microcontroller is connected with alarm module to send out alarm.
Further, microcontroller through relay and its contact portion on the electric power loop of solenoid valve.
Compared with prior art, the utility model has the following advantages：
A kind of low-temperature biological article handling managing device based on hall sensing sensor of the utility model, in insulation cover
Interior installation magnetic bead and tank mouth install sensor, when magnetic bead generate magnetic field enter sensor detection range, you can send correspond to
Signal, can the sensitive and convenient position of the switch situation for perceiving insulation cover to microcontroller.The device uses magnetic effect principle, no
Generate contact；There is no mechanical moving element, stability is more preferably；The range of magnetic effect is wider, lower to manually operated requirement.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiments of the present invention.
Specific implementation mode
As shown in Figure 1, the present embodiment provides a kind of, the low-temperature biological article handling management based on hall sensing sensor fills
It sets, including vessel 1, the heat preservation corking 8 for keeping the temperature isolation, magnetic bead 3, Hall sensor 5, microcontroller 6, control liquid nitrogen supply
Solenoid valve 4, heat preservation corking 8 are mounted on vessel 1, and Hall sensor 5 is equipped on 1 outer wall of vessel, is kept the temperature
The magnetic bead 3 coordinated with Hall sensor 5 is installed, Hall sensor 5 is exported signal is detected to microcontroller 6, monolithic in corking 8
The output control signal of machine 6 is to control the break-make of solenoid valve 4.
Wherein, Hall sensor 5 is mounted on by holder on 1 outer wall of vessel (liquid nitrogen container).It is installed in heat preservation corking 8
There is insulation plug 2 and heat preservation isolation is carried out with the vessel port (tank mouth) for filling in vessel 1.Magnetic bead is installed in 8 inside of heat preservation corking
(permanent magnetism magnetic bead) 3, a diameter of 10mm of magnetic bead 3, magnetic bead 3 are in the lower position of heat preservation corking 8, and the height of magnetic bead 2 compares container
The low 20mm in vessel port edge of ontology 1.Edge 20mm of the Hall sensor 5 from vessel 1, is horizontally mounted, height specific volume
The low 10mm in vessel port edge of device ontology 1.
Hall sensor 5 uses Hall magnetic effect principle, incudes the changes of magnetic field in certain distance.When heat preservation corking 8 is covered
When upper, the magnetic field of permanent magnetism magnetic bead 3 enters the detection range for the Hall sensor 5 being installed on by vessel port, obtains the signal for closing lid；
Similarly, when operating personnel uncap, detection range is left in magnetic field, obtains signal of uncapping.
Microcontroller (such as 8255 chips) 6 is connected with the power supply DC of power supply.Microcontroller 6 exists through relay and its contact portion
On the electric power loop of solenoid valve 4, the break-make of solenoid valve is controlled by relay and its contact；Or, microcontroller is connected to through metal-oxide-semiconductor
Solenoid valve controls the break-make of solenoid valve through metal-oxide-semiconductor output 24VDC to solenoid valve.After lid is opened, microcontroller is uncapped
Signal enabling solenoid valve, liquid nitrogen can carry out defogging operation in short-term after entering cavity；After lid is shut, microcontroller is again started up electricity
Magnet valve carries out cavity cooling.
Microcontroller 6 is connected with alarm module 7 to send out alarm.When uncap overlong time when, then export alarm, remind operation
Member is intervened.Alarm module includes LED indicating circuit, horn circuit and buzzer circuit etc., to carry out audible and visible alarm.
Claims (10)
1. a kind of low-temperature biological article handling managing device based on hall sensing sensor, which is characterized in that including container sheet
Body, the heat preservation corking for keeping the temperature isolation, magnetic bead, Hall sensor, microcontroller, control liquid nitrogen are for the solenoid valve of application, the guarantor
Warm corking is mounted on vessel, Hall sensor is equipped on the vessel outer wall, the insulation plug covers installation
There are the magnetic bead coordinated with Hall sensor, the Hall sensor to be exported signal is detected to microcontroller, the microcontroller output
Signal is controlled to control the break-make of solenoid valve.
2. a kind of low-temperature biological article handling managing device based on hall sensing sensor according to claim 1, special
Sign is that the Hall sensor is mounted on by holder on vessel outer wall.
3. a kind of low-temperature biological article handling managing device based on hall sensing sensor according to claim 2, special
Sign is that for the Hall sensor from vessel edge 20mm, height is lower 10mm than container bulk container mouth edge.
4. a kind of low-temperature biological article handling managing device based on hall sensing sensor according to claim 1, special
Sign is that the magnetic bead is mounted on the inside of heat preservation corking.
5. a kind of low-temperature biological article handling managing device based on hall sensing sensor according to claim 4, special
Sign is that the magnetic bead is in heat preservation corking lower position, and the height of magnetic bead is lower 20mm than container bulk container mouth edge.
6. a kind of low-temperature biological article handling managing device based on hall sensing sensor according to claim 1, special
Sign is, a diameter of 10mm of the magnetic bead.
7. a kind of low-temperature biological article handling managing device based on hall sensing sensor according to claim 1, special
Sign is that the insulation plug, which covers, is equipped with insulation plug to fill in vessel vessel port.
8. a kind of low-temperature biological article handling managing device based on hall sensing sensor according to claim 1, special
Sign is that the microcontroller is connected with alarm module to send out alarm.
9. a kind of low-temperature biological article handling managing device based on hall sensing sensor according to claim 8, special
Sign is that the alarm module includes LED indicating circuit and buzzer circuit.
10. a kind of low-temperature biological article handling managing device based on hall sensing sensor according to claim 1, special
Sign is that the microcontroller is through relay and its contact portion on the electric power loop of solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920291.1U CN207675193U (en) | 2017-12-29 | 2017-12-29 | A kind of low-temperature biological article handling managing device based on hall sensing sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920291.1U CN207675193U (en) | 2017-12-29 | 2017-12-29 | A kind of low-temperature biological article handling managing device based on hall sensing sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207675193U true CN207675193U (en) | 2018-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721920291.1U Active CN207675193U (en) | 2017-12-29 | 2017-12-29 | A kind of low-temperature biological article handling managing device based on hall sensing sensor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11607691B2 (en) | 2019-10-29 | 2023-03-21 | TMRW Life Sciences, Inc. | Apparatus to facilitate transfer of biological specimens stored at cryogenic conditions |
| USD1002868S1 (en) | 2020-12-09 | 2023-10-24 | TMRW Life Sciences, Inc. | Cryogenic vial carrier |
-
2017
- 2017-12-29 CN CN201721920291.1U patent/CN207675193U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11607691B2 (en) | 2019-10-29 | 2023-03-21 | TMRW Life Sciences, Inc. | Apparatus to facilitate transfer of biological specimens stored at cryogenic conditions |
| USD1002868S1 (en) | 2020-12-09 | 2023-10-24 | TMRW Life Sciences, Inc. | Cryogenic vial carrier |
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