CN209708294U - A kind of oxygenerator control circuit - Google Patents
A kind of oxygenerator control circuit Download PDFInfo
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- CN209708294U CN209708294U CN201920642618.6U CN201920642618U CN209708294U CN 209708294 U CN209708294 U CN 209708294U CN 201920642618 U CN201920642618 U CN 201920642618U CN 209708294 U CN209708294 U CN 209708294U
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Abstract
The utility model discloses a kind of oxygenerator control circuit, including primary processor, relay JDQ, current collection circuit and warning circuit, the primary processor passes through relay JDQ and compression mechatronics, the warning circuit is electrically connected with primary processor, current collection circuit is connected in series between relay JDQ and compressor, and is electrically connected with primary processor.The utility model acquires the operating current of compressor by setting current collection circuit, and deposits in the operating current of compressor and generate alarm when abnormal, which also has the function of temperature monitoring, pressure monitoring etc..
Description
Technical field
The utility model relates to the field of medical instrument technology, more particularly, to a kind of oxygenerator control circuit.
Background technique
With the continuous improvement of living standards and improve, people increasingly pay attention to health, and oxygen uptake gradually becomes family's disease
Suffer from a kind of important means of rehabilitation.Domestic oxygen erator is mobile light and handy because its is easy to use, is widely used.Domestic oxygen erator is logical
Oxygen is often generated using molecular sieve physical absorption and desorption techniques, i.e., it is pre- by air after air is pressurizeed by compressor 30
Processing unit except deoil, the solid impurities such as dust, compressed air after treatment enters the adsorption tower equipped with molecular sieve, air
In nitrogen, carbon dioxide etc. be adsorbed, the oxygen of final output high-purity.After adsorption tower reaches certain saturation degree, inhale
Attached tower enters denitrogen, rinse stage.However oxygenerator control circuit is complicated in the prior art, and has a single function, when in oxygenerator
When compressor does not work there are failure, timely learning can not be generated, may cause serious consequence.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of oxygenerator control circuit, Neng Gou
Alarm is generated when compressor does not work there are failure.
To achieve the above object, the utility model proposes following technical solutions: a kind of oxygenerator control circuit, including primary
Processor, relay JDQ, current collection circuit and warning circuit, the primary processor are electromechanical by relay JDQ and compression
Connection, the warning circuit is electrically connected with primary processor, the current collection circuit include mutual inductor H1, diode D1,
Diode D2, diode D3, capacitor C1, capacitor C2, resistance R1 and resistance R2, the mutual inductor H1 have primary coil and time
Grade coil, the primary coil are connected in series between relay JDQ and compressor, and one end of the secondary coil passes through two poles
One end of pipe D1 and capacitor C1 are connected to first node, and the other end of opposite end and capacitor C1 are connected to second node, and described the
One node also passes through resistance R1 and the cathode of diode D2 is connected to third node, the anode of the second node and diode D2
Be connected to fourth node, the third node also passes through diode D3 connection power supply VCC, one end of the resistance R2 with Section four
Point is connected, and opposite end is connected between third node and resistance R1, and one end of the capacitor C2 is connected to second node and the 4th
Between node, opposite end is connected between first node and resistance R1, and the primary processor is connect with the third node, institute
State fourth node ground connection.
It preferably, further include secondary processor, the primary processor passes through the secondary processor and relay JDQ electricity
Connection, the secondary processor are also electrically connected with the solenoid valve.
It preferably, further include temperature observation circuit, the temperature observation circuit includes temperature sensor, resistance R3, resistance
One end of R4, capacitor C3, diode D4 and diode D5, the temperature sensor and resistance R3 are connected to the 5th node, resistance
The other end of R3 and the anode of diode D4 are connected to the 6th node, and the 5th node passes through the yin of resistance R4 and diode D4
Pole is connected to the 7th node, and for the 7th node by diode D5 connection power supply VCC, one end of the capacitor C3 is connected to the
Between five nodes and resistance R4, opposite end is connected with the anode of diode D4, and the 7th node is electrically connected with primary processor.
Preferably, the warning circuit includes loudspeaker, and the loudspeaker is electrically connected with primary processor.
It preferably, further include pressure monitoring circuit, the pressure monitoring circuit includes pressure sensor, amplifier L1, puts
Big device L2, amplifier L3, resistance R5, resistance R6 and capacitor C4, the amplifier L1 positive input and amplifier L2 just
It is connected to input terminal with pressure sensor, the negative input phase of the negative input and amplifier L2 of the amplifier L1
Even, the output end of the amplifier L1 is connected by resistance R5 with the positive input of amplifier L3, and the amplifier L2's is defeated
Outlet is connected by resistance R6 with the negative input of amplifier L3, and the output end of the amplifier L3 is electrically connected with primary processor
It connects, one end of the capacitor C4 is connected with the output end of amplifier L3, opposite end ground connection.
Preferably, resistance R7, the amplifier L2 are also connected between the negative input and output end of the amplifier L1
Negative input and output end between be also connected with resistance R8, also connect between the negative input and output end of the amplifier L3
Connecting resistance R9.
Preferably, the pressure monitoring circuit further includes resistance R10, resistance R11 and resistance R12, and the one of the resistance R10
End is grounded by resistance R11, opposite termination power VCC, and one end of resistance R12 is connected to the positive input and electricity of amplifier L3
It hinders between R5, opposite end is connected between resistance R10 and resistance R11.
The beneficial effects of the utility model are:
Oxygenerator control circuit described in the utility model acquires the work electricity of compressor by setting current collection circuit
Stream, and deposited in the operating current of compressor and generate alarm when abnormal, which also has temperature monitoring, pressure
The functions such as monitoring.
Detailed description of the invention
Fig. 1 is the oxygenerator electric operation control circuit figure schematic diagram of the utility model.
Appended drawing reference: 10, primary processor, 20, current collection circuit, 21, first node, 22, second node, 23,
Three nodes, 24, fourth node, 30, compressor, 40, secondary processor, 50, solenoid valve, 60, temperature observation circuit, 61, temperature
Sensor, the 62, the 5th node, the 63, the 6th node, the 64, the 7th node, 70, pressure monitoring circuit, 71, pressure sensor.
Specific embodiment
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model embodiment is carried out clear, complete
Description.
A kind of revealed oxygenerator control circuit of the utility model acquires compressor by setting current collection circuit 20
30 operating current, and deposited in the operating current of compressor 30 and generate alarm when abnormal, which also has
The functions such as temperature monitoring, pressure monitoring.
As shown in Figure 1, be a kind of revealed oxygenerator control circuit of the utility model, including primary processor 10, after
Electric appliance JDQ, current collection circuit 20 and warning circuit, wherein primary processor 10 is electrically connected by relay JDQ with compressor 30
It connects, primary processor 10 controls whether compressor 30 works by controlling the actuation or disconnection of relay JDQ；Electric current is adopted
Collector 20 is connected in series between relay JDQ and compressor 30, and is electrically connected with primary processor 10, for detecting compression
The operating current of machine 30；Warning circuit is electrically connected with primary processor 10, for generating alarm.When implementation, primary processor 10
It is attracted control compressor 30 by control relay JDQ to work, current collection circuit 20 is further by the work of compressor 30
Make current acquisition into primary processor 10, when the operating current of compressor 30 deposits the control of primary processor 10 alarm when abnormal
Circuit generates alarm, to remind user's compressor 30 that there are operation irregularities.
Specifically, current collection circuit 20 includes mutual inductor H1, diode D1, diode D2, diode D3, capacitor
C1, capacitor C2, resistance R1 and resistance R2.Wherein, mutual inductor H1 has primary coil and secondary coil, and primary coil series connection connects
It connects between relay JDQ and compressor 30, one end of secondary coil is connected to the by one end of diode D1 and capacitor C1
The other end of one node 21, opposite end and capacitor C1 are connected to second node 22；Further, first node 21 also passes through resistance
The cathode of R1 and diode D2 is connected to third node 23, and the anode of second node 22 and diode D2 is connected to fourth node
24, while third node 23 is electrically connected with primary processor 10, also pass through diode D3 connection power supply VCC, fourth node 24
Ground connection；One end of resistance R2 is connected with fourth node 24, and opposite end is connected between resistance R1 and third node 23；Capacitor C2's
One end is connected between second node 22 and fourth node 24, and the other end is connected between first node 21 and resistance R1.Implement
When, power supply VCC preferably+5V.
Further, oxygenerator control circuit further includes secondary processor 40, and primary processor 10 passes through secondary processor
40 are electrically connected with relay JDQ, and secondary processor 40 is also electrically connected with solenoid valve 50, and primary processor 10 passes through at secondary
Reason device 40 controls opening or closing for solenoid valve 50, and then realizes pressure balance.Number can be improved by the way that secondary processor 40 is arranged
According to processing speed, mitigate the burden of primary processor 10.In the present embodiment, the preferred model STM8S105K of primary processor 10
Chip, the chip of the preferred model UN2003 of secondary processor 40.
Further, warning circuit includes the loudspeaker (not shown) being electrically connected with primary processor 10, it is of course also possible to
Loudspeaker is replaced using LED light or buzzer etc..
As shown in Figure 1, in order to monitor the environment temperature in 30 course of work of compressor, oxygenerator control circuit further includes temperature
Spend observation circuit 60 comprising temperature sensor 61, resistance R3, resistance R4, capacitor C3, diode D4 and diode D5, wherein
One end of temperature sensor 61 and resistance R3 are connected to the 5th node 62, and the other end of resistance R3 is connect with the anode of diode D4
In the 6th node 63；Further, the 5th node 62 is also connected to the 7th node 64 by the cathode of resistance R4 and diode D4,
While 7th node 64 is electrically connected with primary processor 10, also it is electrically connected by diode D5 with power supply VCC；The one of capacitor C3
End is connected between the 5th node 62 and resistance R4, and the other end is connected with the anode of diode D4.When implementation, temperature sensor 61
Collected temperature data is transmitted in primary processor 10, primary processor 10 to the temperature data received at
Reason can control warning circuit according to processing result and generate alarm.
As shown, oxygenerator control circuit further includes pressure monitoring circuit 70 comprising pressure sensor 71, amplifier
L1, amplifier L2, amplifier L3, resistance R5, resistance R6 and capacitor C4.Wherein, the positive input and amplifier of amplifier L1
The positive input of L2 is connected with pressure sensor 71, the negative input of amplifier L1 and the negative input of amplifier L2
It is connected；Further, the output end of amplifier L1 is connected by resistance R5 with the positive input of amplifier L3, amplifier L2's
Output end is connected by resistance R6 with the negative input of amplifier L3；The output end of amplifier L3 is electrically connected with primary processor 10
It connects；One end of capacitor C4 is electrically connected with the output end of amplifier L3, opposite end ground connection.When implementation, pressure sensor 71 will be measured
To pressure data amplified by amplifier L1~L3 after be input in primary processor 10, primary processor 10 is to receiving
Temperature data is handled, and can be controlled warning circuit according to processing result and be generated alarm.
Further, pressure monitoring circuit 70 further includes resistance R7, resistance R8 and resistance R9, wherein amplifier L1's is negative
To connecting the resistance R7 between input terminal and output end；The electricity is connected between the negative input and output end of amplifier L2
Hinder R8；The resistance R9 is connected between the negative input and output end of amplifier L3.
Further, pressure monitoring circuit 70 further includes resistance R10, resistance R11 and resistance R12, resistance R10, resistance
R11 and resistance R12, wherein one end of resistance R10 is grounded by resistance R11, opposite termination power VCC, one end of resistance R12
It is connected between the positive input of amplifier L3 and resistance R5, opposite end is connected between resistance R10 and resistance R11.Pass through
Setting resistance R10, R11 and resistance R12 can be used for providing reference voltage.
In the present embodiment, the pressure sensor 71 of the preferred model MSP40 of pressure sensor 71.
The technology contents and technical characteristic of the utility model have revealed that as above, however those skilled in the art still may be used
Can teaching based on the utility model and announcement and make various replacements and modification without departing substantially from the spirit of the present invention, therefore, this
Utility model protection range should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model
And modification, and covered by present patent application claim.
Claims (7)
1. a kind of oxygenerator control circuit, which is characterized in that including primary processor, relay JDQ, current collection circuit and announcement
Alert circuit, the primary processor are electrically connected by relay JDQ and compression mechatronics, the warning circuit with primary processor
It connects, the current collection circuit includes mutual inductor H1, diode D1, diode D2, diode D3, capacitor C1, capacitor C2, electricity
Hindering R1 and resistance R2, the mutual inductor H1 has primary coil and secondary coil, and the primary coil is connected in series in relay
Between device JDQ and compressor, one end of the secondary coil is connected to first node by one end of diode D1 and capacitor C1,
The other end of opposite end and capacitor C1 are connected to second node, and the first node also passes through the cathode of resistance R1 Yu diode D2
It is connected to third node, the anode of the second node and diode D2 is connected to fourth node, and the third node also passes through
Diode D3 connection power supply VCC, one end of the resistance R2 are connected with fourth node, and opposite end is connected to third node and resistance
Between R1, one end of the capacitor C2 is connected between second node and fourth node, and opposite end is connected to first node and electricity
It hinders between R1, the primary processor is connect with the third node, the fourth node ground connection.
2. oxygenerator control circuit according to claim 1, which is characterized in that it further include secondary processor, the primary
Processor is electrically connected by the secondary processor with relay JDQ, and the secondary processor is also electrically connected with the solenoid valve.
3. oxygenerator control circuit according to claim 1, which is characterized in that it further include temperature observation circuit, the temperature
Spending observation circuit includes temperature sensor, resistance R3, resistance R4, capacitor C3, diode D4 and diode D5, the temperature sensing
One end of device and resistance R3 are connected to the 5th node, and the other end of resistance R3 and the anode of diode D4 are connected to the 6th node,
5th node is connected to the 7th node by the cathode of resistance R4 and diode D4, and the 7th node passes through diode D5
Power supply VCC is connected, one end of the capacitor C3 is connected between the 5th node and resistance R4, the anode of opposite end and diode D4
It is connected, the 7th node is electrically connected with primary processor.
4. oxygenerator control circuit according to claim 1, which is characterized in that the warning circuit includes loudspeaker, institute
Loudspeaker is stated to be electrically connected with primary processor.
5. oxygenerator control circuit according to claim 1, which is characterized in that further include pressure monitoring circuit, the pressure
Power observation circuit includes pressure sensor, amplifier L1, amplifier L2, amplifier L3, resistance R5, resistance R6 and capacitor C4, institute
The positive input of the positive input and amplifier L2 of stating amplifier L1 is connected with pressure sensor, the amplifier L1's
Negative input is connected with the negative input of amplifier L2, and the output end of the amplifier L1 passes through resistance R5 and amplifier L3
Positive input be connected, the output end of the amplifier L2 is connected by resistance R6 with the negative input of amplifier L3, institute
The output end for stating amplifier L3 is electrically connected with primary processor, and one end of the capacitor C4 is connected with the output end of amplifier L3,
Opposite end ground connection.
6. oxygenerator control circuit according to claim 5, which is characterized in that the negative input of the amplifier L1 with
It is also connected with resistance R7 between output end, resistance R8 is also connected between the negative input and output end of the amplifier L2, it is described
Resistance R9 is also connected between the negative input and output end of amplifier L3.
7. oxygenerator control circuit according to claim 5, which is characterized in that the pressure monitoring circuit further includes resistance
R10, resistance R11 and resistance R12, one end of the resistance R10 are grounded by resistance R11, opposite termination power VCC, resistance R12
One end be connected between the positive input of amplifier L3 and resistance R5, opposite end be connected to resistance R10 and resistance R11 it
Between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920642618.6U CN209708294U (en) | 2019-05-07 | 2019-05-07 | A kind of oxygenerator control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920642618.6U CN209708294U (en) | 2019-05-07 | 2019-05-07 | A kind of oxygenerator control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209708294U true CN209708294U (en) | 2019-11-29 |
Family
ID=68650881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920642618.6U Active CN209708294U (en) | 2019-05-07 | 2019-05-07 | A kind of oxygenerator control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209708294U (en) |
-
2019
- 2019-05-07 CN CN201920642618.6U patent/CN209708294U/en active Active
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