CN207413623U - A kind of supercentrifuge with detection function - Google Patents
A kind of supercentrifuge with detection function Download PDFInfo
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- CN207413623U CN207413623U CN201721334275.4U CN201721334275U CN207413623U CN 207413623 U CN207413623 U CN 207413623U CN 201721334275 U CN201721334275 U CN 201721334275U CN 207413623 U CN207413623 U CN 207413623U
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- China
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- microprocessor
- shell
- comparator
- supercentrifuge
- upper cover
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Abstract
The utility model discloses a kind of supercentrifuge with detection function, the upper cover (2) being rotatably connected including shell (1), with shell (1) and power sector；Shell (1) is internally provided with centrifugal chamber (3), and centrifugal chamber (3) is internally provided with centrifugal mechanism (4)；The motor that centrifugal mechanism (4) can be driven to rotate is additionally provided with inside shell (1), motor is also connected with power sector；Infrared distance sensor (5) is provided in upper cover (2), infrared distance sensor (5) is arranged at upper cover (2) and the one side contacted at the top of shell (1), is located at when upper cover (1) is closed directly over centrifugal mechanism (4)；The output terminal of infrared distance sensor (5) is connected with microprocessor, and the output terminal of microprocessor is connected with switch controlling device, and switch controlling device is arranged between motor and power sector.The utility model avoids the problem that still opening supercentrifuge waste of resource when the prior art is not inserted into test tube.
Description
Technical field
The utility model is related to experiment appliance field more particularly to a kind of supercentrifuges with detection function.
Background technology
Supercentrifuge category Routine Test Lab centrifuge, is widely used in biology, chemistry, scientific research and education and the production such as medicine
Department synthesizes suitable for micro-example quick separating.During the experiment, when there is solid powder in solution, it is necessary to using high
After fast centrifuge is centrifuged, bottom is solid powder, and upper strata is settled solution.Settled solution after centrifugation is used to test extinction
Degree.
The utility model patent of Application No. CN201420028896.X discloses a kind of supercentrifuge, including casing,
Bottom plate, upper cover and rotary head, cabinet top have centrifugal chamber, and rotary head is located in centrifugal chamber, and bottom plate is connected in bottom of shell, upper cover lid
Cabinet top is located at, the motor that rotary head can be driven to rotate is provided in casing, is fixed with several installing plates on motor side wall, each
Damping block is fixedly installed between installing plate and bottom plate, damping block is in the form of a column, and damping block is made of elastic material, damping block
Against on a mounting board, the lower face of damping block is resisted against on bottom plate for upper surface, and the upper surface of rotary head offers several test tubes and inserts
The pore size of hole one and several test tube jacks two, test tube jack one and test tube jack two differs.However the utility model has
Problems with：When test tube is not put into rotary head, it still can open entire supercentrifuge and be centrifuged, waste of resource.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of high speed centrifugation with detection function
Machine avoids the problem that still opening supercentrifuge waste of resource when the prior art is not inserted into test tube.
The purpose of this utility model is achieved through the following technical solutions：A kind of high speed centrifugation with detection function
Machine, the upper cover being rotatably connected including shell, with shell and power sector；The enclosure is provided with centrifugal chamber, centrifugal chamber
Centrifugal mechanism is internally provided with, several test tube jacks are provided on the centrifugal mechanism；The enclosure is additionally provided with
The motor that centrifugal mechanism can be driven to rotate, the motor are also connected with power sector；
Infrared distance sensor is provided on the upper lid, the infrared distance sensor is arranged at upper cover and shell
The one side of top contact, is located at when upper cover is closed directly over centrifugal mechanism；The output terminal of the infrared distance sensor with
Microprocessor connects, and the output terminal of microprocessor is connected with switch controlling device, and the switch controlling device is arranged at motor
Between power sector.
Further, the inverting input of the output terminal of the infrared distance sensor and comparator connects, comparator
Homophase input termination reference voltage, the output terminal of comparator is connected with microprocessor, and microprocessor is according to the comparison received
The conducting and disconnection of the high/low level control switch control device of device output.
Further, the infrared distance sensor and comparator are disposed as four, each infrared distance sensor
The inverting input with respective comparator is connected respectively, and the in-phase input end of comparator accesses respective reference voltage, respectively
The output terminal of a comparator is connected with four input terminals respectively with four input OR circuits, the output terminal of four input OR circuits
It is connected with microprocessor, the high/low level control switch control device that microprocessor is exported according to the comparator received is led
Through and off are opened.
Further, the reference voltage is generated by microprocessor.
Further, the switch controlling device is PMOS transistor, the grid of PMOS transistor and microprocessor
Control output end connects, and the source electrode of PMOS transistor is connected with power sector, and the drain of PMOS transistor and the power supply of motor are defeated
Enter end connection.
Further, the outer casing frontispiece plate, which corresponds to, is provided with heat emission hole at motor position.
Further, the outer casing frontispiece plate is additionally provided with operation button and LCD display.
The beneficial effects of the utility model are：The utility model is by being arranged on upper cover corresponding to infrared survey at centrifugal mechanism
Supercentrifuge waste of resource can be still opened when avoiding the problem that the prior art is not inserted into test tube away from sensor：When no test tube
When being put into supercentrifuge, the distance that infrared distance sensor detects is more than at the top of infrared distance sensor and centrifugal mechanism
Air line distance, the switch controlling device between microprocessor control motor and power sector disconnect so that user can not use
Supercentrifuge avoids power supply from wasting.
Description of the drawings
Fig. 1 is the utility model first state outside schematic diagram；
Fig. 2 is the utility model the second state outside schematic diagram；
Fig. 3 connects block diagram for the utility model circuit；
Fig. 4 is the utility model the first preferred circuit schematic diagram；
Fig. 5 is the utility model the second preferred circuit schematic diagram；
In figure, 1- shells, 2- upper covers, 3- centrifugal chambers, 4- centrifugal mechanisms, 5- infrared distance sensors, 6- heat emission holes, 7- behaviour
Make button, 8-LCD display screens.
Specific embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As depicted in figs. 1 and 2, a kind of supercentrifuge with detection function is rotatably connected including shell 1, with shell 1
Upper cover 2 and power sector；The shell 1 is internally provided with centrifugal chamber 3, and centrifugal chamber 3 is internally provided with centrifugal mechanism 4, institute
Several test tube jacks are provided on the centrifugal mechanism 4 stated；Being additionally provided with inside the shell 1 can drive centrifugal mechanism 4 to rotate
Motor, the motor is also connected with power sector；
Be provided with infrared distance sensor 5 in the upper cover 2, the infrared distance sensor 5 be arranged at upper cover 2 with
The one side of 1 top contact of shell, is located at when upper cover 1 is closed directly over centrifugal mechanism 4；As shown in figure 3, the infrared distance measurement
The output terminal of sensor 5 is connected with microprocessor, and the output terminal of microprocessor is connected with switch controlling device, the switch control
Device processed is arranged between motor and power sector.
Specifically, the utility model is divided into two kinds of situations, there is that test tube is put into test tube jack and no test tube is put into test tube and inserts
Hole.After powering on, the 5 real-time detecting distance of infrared distance sensor of upper cover 2：When upper cover 2 is opened, infrared distance sensor
It is (following that 5 distances detected are far longer than infrared distance sensor 5 and the air line distance at 4 top of centrifugal mechanism when upper cover 2 is closed
For pre-determined distance), the switch controlling device of microprocessor control at this time disconnects, and motor does not receive the power supply of power sector；Work as examination
After pipe is put into test tube jack and covers upper cover 2, at this time due to the presence of test tube, the distance that infrared distance sensor 5 detects is small
In pre-determined distance, the switch controlling device conducting of microprocessor control at this time, motor can receive the power supply of power sector, with
After family is set, motor drives centrifugal mechanism 4 to rotate, and the test tube on centrifugal mechanism 4 carries out centrifugally operated；When test tube is not put into test tube
Jack and after covering upper cover 2, since test tube is not present, the distance that infrared distance sensor 5 detects is equal to pre-determined distance, at this time
Microprocessor control switch controlling device disconnects, and motor cannot receive the power supply of power sector, even if after user setting, electricity
Machine will not drive centrifugal mechanism 4 to rotate.
In the present embodiment, the pre-determined distance is infrared distance sensor 5 to the 4 non-test tube jack in top of centrifugal mechanism
Partial air line distance.
More preferably, in the present embodiment, as shown in figure 4, the output terminal of the infrared distance sensor 5 and comparator
Inverting input connects, and the homophase input termination reference voltage of comparator, the output terminal of comparator is connected with microprocessor, micro- place
The conducting and disconnection for the high/low level control switch control device that reason device is exported according to the comparator received.
In this case, when the voltage that infrared distance sensor 5 is exported to comparator reverse input end is higher than comparator
During the reference voltage of normal phase input end access, the distance that infrared distance sensor 5 detects at this time is more than pre-determined distance (upper cover 2
Opening or upper cover 2 do not have test tube to be put into when closing), comparator exports low level signal to microprocessor, and microprocessor receives
To during low level signal switch controlling device is controlled to disconnect；When infrared distance sensor 5 is exported to comparator reverse input end
When voltage is higher than the reference voltage that comparator normal phase input end accesses, the distance that infrared distance sensor 5 detects at this time is less than
Pre-determined distance (upper cover 2 has test tube to be put into when closing), comparator export high level signal to microprocessor, and microprocessor receives
Switch controlling device conducting is controlled during high level signal so that motor can receive the power supply of power sector.
More preferably, in order to avoid only there are one infrared distance sensor 5 when, even if test tube detects after being put into test tube jack
Exactly no test tube position when, in the present embodiment, as shown in figure 5, the infrared distance sensor 5 and comparator
Be disposed as four, inverting input of each infrared distance sensor 5 respectively with respective comparator is connected, comparator it is same
Phase input terminal accesses respective reference voltage, the output terminal of each comparator with it is defeated with four of four input OR circuits respectively
Enter end connection, the output terminal of four input OR circuits is connected with microprocessor, and microprocessor is exported according to the comparator received
High/low level control switch control device conducting and disconnection.
When any one infrared distance sensor 5 detects that distance less than pre-determined distance, four inputs OR circuits at this time
When four input terminals include at least a high level, the output terminals of four input OR circuits export high level to microprocessor, after
Continuous situation is similar to the above, is no longer repeated；Otherwise, four input terminals of four input OR circuits are low level, and four is defeated
The output terminal for entering OR circuit exports low level to microprocessor, and subsequent scenario is similar to the above, is no longer repeated.
More preferably, in the present embodiment, the reference voltage is generated by microprocessor, and the reference voltage of microprocessor is defeated
The in-phase input end of outlet and comparator connects.
More preferably, in the present embodiment, as shown in Figure 4 and Figure 5, the switch controlling device is PMOS transistor,
The grid of PMOS transistor and the control output end of microprocessor connect, and the source electrode of PMOS transistor is connected with power sector,
The drain of PMOS transistor and the power input of motor connect.When microprocessor exports high level to the grid of PMOS transistor
When, entire PMOS transistor conducting so that motor is connected with power sector；When microprocessor exports low level to PMOS transistor
Grid when, entire PMOS transistor is not turned on so that motor and power sector disconnect.
More preferably, in the present embodiment, as depicted in figs. 1 and 2,1 front plate of shell corresponds to sets at motor position
It is equipped with heat emission hole 8.Since motor generates, heat is more, sets heat emission hole 6 that can improve the service life of entire supercentrifuge.
More preferably, in the present embodiment, as depicted in figs. 1 and 2,1 front plate of shell is additionally provided with operation button 7
With LCD display 8.User can control centrifugation time of supercentrifuge etc. by operation button 7, can also be shown by LCD
Display screen 8 checks centrifugation situation.
More preferably, in the present embodiment, the power sector includes the voltage contact plug being electrically connected with city and becomes press fitting
It puts, alternating current is transformed to the voltage of size needed for motor by potential device.
The utility model is described by embodiment, but the utility model is not construed as limiting, with reference to this practicality
New description, other variations of the disclosed embodiments, is such as readily apparent that for the professional person of this field, such
Variation should belong within the scope of the utility model claims restriction.
Claims (7)
1. a kind of supercentrifuge with detection function, the upper cover (2) being rotatably connected including shell (1), with shell (1) and electricity
Source mechanism；The shell (1) is internally provided with centrifugal chamber (3), and centrifugal chamber (3) is internally provided with centrifugal mechanism (4), described
Several test tube jacks are provided on centrifugal mechanism (4)；Being additionally provided with inside the shell (1) can drive centrifugal mechanism (4) to turn
Dynamic motor, the motor are also connected with power sector；
It is characterized in that：Infrared distance sensor (5), the infrared distance sensor (5) are provided in the upper cover (2)
Upper cover (2) and the one side contacted at the top of shell (1) are arranged at, is located at when upper cover (2) is closed directly over centrifugal mechanism (4)；Institute
The output terminal for the infrared distance sensor (5) stated is connected with microprocessor, and output terminal and the switch controlling device of microprocessor connect
It connects, the switch controlling device is arranged between motor and power sector.
2. a kind of supercentrifuge with detection function according to claim 1, it is characterised in that：The infrared survey
The inverting input connection of output terminal and comparator away from sensor (5), the homophase input termination reference voltage of comparator, compares
The output terminal of device is connected with microprocessor, the high/low level control switch control that microprocessor is exported according to the comparator received
The conducting and disconnection of device processed.
3. a kind of supercentrifuge with detection function according to claim 2, it is characterised in that：The infrared survey
Four are disposed as away from sensor (5) and comparator, each infrared distance sensor (5) reverse phase with respective comparator respectively
Input terminal connects, and the in-phase input end of comparator accesses respective reference voltage, the output terminal of each comparator with respectively with
Four input terminals connection of four input OR circuits, the output terminal of four input OR circuits are connected with microprocessor, microprocessor
According to the conducting and disconnection of the high/low level control switch control device that the comparator received exports.
4. a kind of supercentrifuge with detection function according to Claims 2 or 3, it is characterised in that：The base
Quasi- voltage is generated by microprocessor.
5. a kind of supercentrifuge with detection function according to claim 1, it is characterised in that：The switch control
Device processed is PMOS transistor, and the grid of PMOS transistor and the control output end of microprocessor connect, the source of PMOS transistor
Pole is connected with power sector, and the drain of PMOS transistor and the power input of motor connect.
6. a kind of supercentrifuge with detection function according to claim 1, it is characterised in that：The shell
(1) front plate, which corresponds to, is provided with heat emission hole (6) at motor position.
7. a kind of supercentrifuge with detection function according to claim 1, it is characterised in that：The shell
(1) front plate is additionally provided with operation button (7) and LCD display (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721334275.4U CN207413623U (en) | 2017-10-17 | 2017-10-17 | A kind of supercentrifuge with detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721334275.4U CN207413623U (en) | 2017-10-17 | 2017-10-17 | A kind of supercentrifuge with detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207413623U true CN207413623U (en) | 2018-05-29 |
Family
ID=62311716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721334275.4U Expired - Fee Related CN207413623U (en) | 2017-10-17 | 2017-10-17 | A kind of supercentrifuge with detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207413623U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124879A (en) * | 2019-04-16 | 2019-08-16 | 于丽梅 | A kind of hospital inspection centrifugation apparatus |
-
2017
- 2017-10-17 CN CN201721334275.4U patent/CN207413623U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110124879A (en) * | 2019-04-16 | 2019-08-16 | 于丽梅 | A kind of hospital inspection centrifugation apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20181017 |
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| CF01 | Termination of patent right due to non-payment of annual fee |