CN208672232U - A kind of full automatic biochemical apparatus apparatus for testing weeping - Google Patents
A kind of full automatic biochemical apparatus apparatus for testing weeping Download PDFInfo
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- CN208672232U CN208672232U CN201821279517.9U CN201821279517U CN208672232U CN 208672232 U CN208672232 U CN 208672232U CN 201821279517 U CN201821279517 U CN 201821279517U CN 208672232 U CN208672232 U CN 208672232U
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- comparator
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- resistance
- sawtooth
- full automatic
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Abstract
The utility model provides a kind of full automatic biochemical apparatus apparatus for testing weeping, comprising: staggeredly sawtooth wiring board, comparison circuit and single-chip microcontroller, the staggeredly sawtooth wiring board are connect with the comparison circuit, and the comparison circuit is connect with the single-chip microcontroller；The comparison circuit includes first comparator and the second comparator, the connection of one end of power supply and first resistor, the other end of first resistor is connect with staggeredly sawtooth wiring board and the positive input terminal of first comparator, and the negative input end of the first comparator and the output end of first comparator connect；The positive input terminal of second comparator is connect with the other end of the first resistor, the connection of one end of power supply and second resistance, the other end of second resistance is connect with the negative input end of the second comparator, the negative input end of second comparator is connect with 3rd resistor and the 4th resistance, the 4th resistance one end ground connection；The output end of the output end of the first comparator and the second comparator is connect with the single-chip microcontroller.
Description
Technical field
The utility model relates to bio-chemical detector manufacturing technology fields, particularly relate to a kind of full automatic biochemical apparatus leakage detection
Device.
Background technique
In recent years, automatic clinical chemistry analyzer is that certain specified chemical ingredient in body fluid is measured according to photoelectric colorimetry principle
Instrument.Since its measuring speed is fast, accuracy is high, consumption amount of reagent is small, in situation of all-level hospitals, epidemic prevention station, family planning
Service station is used widely.With the use of the efficiency and income for being greatly improved routine biochemistry inspection.
In automatic clinical chemistry analyzer used at present, it usually needs using water pump into water, but water pump and water-supply-pipe connect
The place of connecing is easy to happen the situation of leakage, once leakage will cause equipment greatly to damage.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of full automatic biochemical apparatus apparatus for testing weeping, can reduce
Equipment complexity effectively detects leakage situation.
In order to solve the above technical problems, the embodiments of the present invention provide a kind of full automatic biochemical apparatus leakage detection dress
Set, the full automatic biochemical apparatus apparatus for testing weeping includes: staggeredly sawtooth wiring board, comparison circuit and single-chip microcontroller, it is described staggeredly
Sawtooth wiring board is connect with the comparison circuit, and the comparison circuit is connect with the single-chip microcontroller；
The comparison circuit includes first comparator and the second comparator, and one end of power supply and first resistor connects, and first
The other end of resistance is connect with staggeredly sawtooth wiring board and the positive input terminal of first comparator, the negative input of the first comparator
End is connect with the output end of first comparator；
The positive input terminal of second comparator is connect with the other end of the first resistor, and the one of power supply and second resistance
End connection, the other end of second resistance are connect with the negative input end of the second comparator, the negative input end and third of the second comparator
Resistance and the connection of the 4th resistance, the 4th resistance one end ground connection；
The output end of the output end of the first comparator and the second comparator is connect with the single-chip microcontroller.
Preferably, the output end of the first comparator is connect with one end of the 5th resistance, the 5th resistance it is another
End is connect with and with the single-chip microcontroller, and the output end of the second comparator is connect with one end of the 6th resistance, the 6th resistance
The other end is connect with and with the single-chip microcontroller.
Preferably, the energization pins of first comparator connect power supply and ground connection, the energization pins difference of the second comparator respectively
Connect power supply and ground connection.
Preferably, the staggeredly sawtooth wiring board is by two sawtooth route staggereds, the connecting pin of a sawtooth route
Ground connection, the connecting pin of another sawtooth route is connect with the comparison circuit.
Preferably, the staggeredly sawtooth wiring board is arranged below full automatic biochemical apparatus water pump.
Preferably, the area of the staggeredly sawtooth wiring board is greater than the projected area of full automatic biochemical apparatus water pump.
Preferably, the first comparator and the second comparator are LM324 comparator.
The above-mentioned technical proposal of the utility model has the beneficial effect that:
In above scheme, the full automatic biochemical apparatus apparatus for testing weeping of the utility model, structure is simple, can rapidly send out
Existing leakage exception simultaneously generates prompt, reduces the uncertain factor generated due to accidental water leakage, reduces the damage to instrument.
Detailed description of the invention
Fig. 1 is the full automatic biochemical apparatus apparatus for testing weeping structural schematic diagram of the utility model embodiment；
Fig. 2 is the full automatic biochemical apparatus apparatus for testing weeping arrangement schematic diagram of the utility model embodiment.
[main element symbol description]
Staggeredly sawtooth wiring board 1；
Comparison circuit and single-chip microcontroller 2；
First comparator 3；
Second comparator 4；
First resistor 5；
Second resistance 6；
3rd resistor 7；
4th resistance 8；
5th resistance 9；
6th resistance 10.
Specific embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
As illustrated in fig. 1 and 2, a kind of full automatic biochemical apparatus apparatus for testing weeping that the embodiments of the present invention provide, institute
Stating full automatic biochemical apparatus apparatus for testing weeping includes: staggeredly sawtooth wiring board 1, comparison circuit and single-chip microcontroller 2, the staggeredly sawtooth
Wiring board 1 is connect with the comparison circuit, and the comparison circuit is connect with the single-chip microcontroller 2；
The comparison circuit includes first comparator 3 and the second comparator 4, and power supply is connect with one end of first resistor 5, the
The other end of one resistance 5 is connect with staggeredly sawtooth wiring board 1 and the positive input terminal of first comparator 3, the first comparator 3
Negative input end is connect with the output end of first comparator 3；
The positive input terminal of second comparator 4 is connect with the other end of the first resistor 5, power supply and second resistance 6
One end connection, the other end of second resistance 6 connect with the negative input end of the second comparator 4, the negative input end of the second comparator 4
It is connect with 3rd resistor 7 and the 4th resistance 8,8 one end of the 4th resistance ground connection；The output end of the first comparator 3 and
The output end of two comparators 3 is connect with the single-chip microcontroller 2.
The staggeredly sawtooth wiring board 1 is grounded by two sawtooth route staggereds, the connecting pin of a sawtooth route, separately
The connecting pin of one sawtooth route is connect with the comparison circuit.The spacing of two sawtooth routes can be 3mm.
The full automatic biochemical apparatus apparatus for testing weeping of the utility model, structure is simple, can rapidly find leakage exception
And prompt is generated, the uncertain factor generated due to accidental water leakage is reduced, the damage to instrument is reduced.
The output end of the first comparator 3 is connect with one end of the 5th resistance 9, the other end of the 5th resistance 9 with
It is connect with the single-chip microcontroller 2, the output end of the second comparator 4 is connect with one end of the 6th resistance 10, the 6th resistance 10
The other end connect with and with the single-chip microcontroller 2.The energization pins of first comparator 3 connect power supply and ground connection respectively, and second compares
The energization pins of device 4 connect power supply and ground connection respectively.
The staggeredly sawtooth wiring board 1 is arranged below full automatic biochemical apparatus water pump.Preferably, full automatic biochemical apparatus leakage
Detection device, which can also be arranged in, to be monitored below the fluid path original part such as pipeline, connector, pump valve.
Preferably, the area of the staggeredly sawtooth wiring board 1 is greater than the projected area of full automatic biochemical apparatus water pump.
Preferably, the first comparator 3 and the second comparator 4 are LM324 comparator.
The supply voltage can be 5V, and first resistor resistance value can be 220K Ω, and second resistance resistance value can be 22K
Ω, 3rd resistor resistance value can be 82K Ω, and the 4th resistance can be 0 Ω, and the 5th resistance can be 0 Ω, the 6th electricity
Hindering resistance value can be 0 Ω.
When in use, one piece of sawtooth wiring board that interlocks is placed on the lower section of water pump, if having water droplet on wiring board and being enough
Two adjacent sawtooth are covered, the electric conductivity of water is utilized, it can are divided in first resistor, the second comparator, setting electricity
Pressure is 4V, and area of the water mostly on zigzag plank is bigger, so that resistance is smaller, the voltage of generation is lower, if the electricity generated
It forces down and just exports high level in 4V so comparator.Single-chip microcontroller real-time monitoring output state, and status information is shown in computer
On.
The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, under the premise of not departing from principle described in the utility model, several improvements and modifications can also be made, these improvement
It also should be regarded as the protection scope of the utility model with retouching.
Claims (7)
1. a kind of full automatic biochemical apparatus apparatus for testing weeping, which is characterized in that the full automatic biochemical apparatus apparatus for testing weeping packet
Include: staggeredly sawtooth wiring board, comparison circuit and single-chip microcontroller, the staggeredly sawtooth wiring board is connect with the comparison circuit, described
Comparison circuit is connect with the single-chip microcontroller；
The comparison circuit includes first comparator and the second comparator, one end connection of power supply and first resistor, first resistor
The other end connect with staggeredly sawtooth wiring board and the positive input terminal of first comparator, the negative input end of the first comparator with
The output end of first comparator connects；
The positive input terminal of second comparator is connect with the other end of the first resistor, and one end of power supply and second resistance connects
It connects, the other end of second resistance is connect with the negative input end of the second comparator, the negative input end and 3rd resistor of the second comparator
It is connected with the 4th resistance, the 4th resistance one end ground connection；
The output end of the output end of the first comparator and the second comparator is connect with the single-chip microcontroller.
2. full automatic biochemical apparatus apparatus for testing weeping according to claim 1, which is characterized in that the first comparator
Output end is connect with one end of the 5th resistance, and the other end of the 5th resistance is connect with and with the single-chip microcontroller, and second compares
The output end of device is connect with one end of the 6th resistance, and the other end of the 6th resistance is connect with and with the single-chip microcontroller.
3. full automatic biochemical apparatus apparatus for testing weeping according to claim 1, which is characterized in that the power supply of first comparator
Pin connects power supply and ground connection respectively, and the energization pins of the second comparator connect power supply and ground connection respectively.
4. full automatic biochemical apparatus apparatus for testing weeping according to claim 1, which is characterized in that the staggeredly sawtooth route
Plate is by two sawtooth route staggereds, the connecting pin ground connection of a sawtooth route, the connecting pin of another sawtooth route and institute
State comparison circuit connection.
5. full automatic biochemical apparatus apparatus for testing weeping according to claim 1, which is characterized in that the staggeredly sawtooth route
Plate is arranged below full automatic biochemical apparatus water pump.
6. full automatic biochemical apparatus apparatus for testing weeping according to claim 1, which is characterized in that the staggeredly sawtooth route
The area of plate is greater than the projected area of full automatic biochemical apparatus water pump.
7. full automatic biochemical apparatus apparatus for testing weeping according to claim 1, which is characterized in that the first comparator and
Second comparator is LM324 comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279517.9U CN208672232U (en) | 2018-08-10 | 2018-08-10 | A kind of full automatic biochemical apparatus apparatus for testing weeping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821279517.9U CN208672232U (en) | 2018-08-10 | 2018-08-10 | A kind of full automatic biochemical apparatus apparatus for testing weeping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208672232U true CN208672232U (en) | 2019-03-29 |
Family
ID=65837425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821279517.9U Active CN208672232U (en) | 2018-08-10 | 2018-08-10 | A kind of full automatic biochemical apparatus apparatus for testing weeping |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208672232U (en) |
-
2018
- 2018-08-10 CN CN201821279517.9U patent/CN208672232U/en active Active
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