CN206167250U - Prevent bedsore air mattress's movement control circuit that stands up - Google Patents
Prevent bedsore air mattress's movement control circuit that stands up Download PDFInfo
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- CN206167250U CN206167250U CN201620834596.XU CN201620834596U CN206167250U CN 206167250 U CN206167250 U CN 206167250U CN 201620834596 U CN201620834596 U CN 201620834596U CN 206167250 U CN206167250 U CN 206167250U
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- multivibrator
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Abstract
The utility model discloses a prevent bedsore air mattress's movement control circuit that stands up, including a multivibrator, the 2nd multivibrator, single -pole double throw analog switch, a solid state relay and the 2nd solid state relay, a multivibrator's output is connected with single -pole double throw analog switch's common port electricity, the 2nd multivibrator's output is connected with single -pole double throw analog switch's control end electricity, single -pole double throw analog switch's the end of normally opening is connected with the anodal electricity of a solid state relay's control end, single -pole double throw analog switch's normal close end and the anodal electricity of the 2nd solid state relay's control end are connected, a solid state relay's controlled end negative pole and the 2nd solid state relay's controlled end negative pole respectively with air mattress on the anodal one -to -one of left and right side pipe solenoid valve on the road be connected. The utility model discloses can realize preventing that bedsore air mattress controls the function that the side gas circuit was aerifyd, was exitted and peacefully lie and have a rest in turn.
Description
Technical field
The utility model belongs to antidecubitus beds, and in particular to a kind of counteracting bedsores airbed stands up control circuit.
Background technology
Bedsore is patient with severe symptoms's common disease to be faced.In order to reduce the generation of this disease, antidecubitus beds has been invented.
The control mode of existing antidecubitus beds has two kinds：Manual mode and self-action, the former needs nursing staff to go standing up for timing bed body
Operation control member, the latter is typically controlled using automatic control unit to standing up action.Automatic control unit has two kinds of shapes
Formula, one kind uses single-chip microcomputer to be controlled for core, and it is a kind of intellectual nursing bed that such as CN 105534657A are recorded, and CN
The timing turning over multifunctional bedsore-proof bed that 204618651U is recorded；Another is controlled using bistable oscillation circuit, such as
The alternating inflatable anti-bedsore mattress that CN 102160837A are recorded.The advantage of Single-chip Controlling mode be control stand up when
Between it is any adjustable, deficiency is complex circuit designs, need to write SCM program and later period maintenance difficulty is larger.Bistable state
The advantage for controlling circuit is that circuit design is simple, need not write program, safeguards simple, and deficiency is that can only realize that side is filled
Other side starts inflation at once after full gas, does not meet actual demand.Should be in practice that side is first inflated, deflates, resting one
The section time, other side is then controlled to realize same process again.
Therefore, it is necessary to that develops a kind of new counteracting bedsores airbed stands up control circuit.
The content of the invention
What the purpose of this utility model was to provide a kind of counteracting bedsores airbed stands up control circuit, can realize anti-cotton-padded mattress
Sore airbed left and right sides gas circuit replaces the function of rest of inflating, deflate and lie low.
Counteracting bedsores airbed described in the utility model stands up control circuit, including the first multivibrator,
Second multivibrator, single pole double throw analog switch, the first solid-state relay, the second solid-state relay, the first power supply and second
Power supply；
Described the first multivibrator, the second multivibrator, single pole double throw analog switch are powered by the first power supply；
The common port that the output end of first multivibrator is switched with single pole double throw analog is electrically connected；
The control end that the output end of second multivibrator is switched with single pole double throw analog is electrically connected；
The normally opened end of the single pole double throw analog switch electrically connects with the control end positive pole of the first solid-state relay；
The normal-closed end of the single pole double throw analog switch is electrically connected with the control end positive pole of the second solid-state relay；
The controlled end positive pole of first solid-state relay, the controlled end positive pole of the second solid-state relay are electric with second respectively
Source positive pole electrical connection, the controlled end negative pole of the first solid-state relay, the controlled end negative pole of the second solid-state relay respectively with fill
The positive pole of the magnetic valve on left and right side pipeline on pneumatic mattress connects one to one.
Further, the output signal of first multivibrator is square wave, the output signal of the second multivibrator
Be square wave, and square wave cycle T 2 be square wave cycle T 1 twice.
Further, first multivibrator includes NE555 chips, resistance R1, resistance R2, diode D1, diode
D2 and electric capacity C；2 pin of NE555 chips connect power supply through diode D2, resistance R2, resistance R1 successively；2 pin of NE555 chips are also passed through
Diode D1 is connected with its 7 pin；6 pin of NE555 chips are grounded also after electric capacity C；When NE555 chips just add voltage,
2 pin of NE555 chips（That is the positive pole of electric capacity C）It is low level, the output end of NE555（That is the output end of the first multivibrator）
It is high level, power supply is charged by resistance R1 and diode D1 to electric capacity C, when the voltage on electric capacity C is charged to 2/3 V, NE555
Chip reset；When the first multivibrator is output as low level, now electric capacity C passes through diode D2, resistance R2 and NE555 core
Electric discharge tube discharge inside piece, the time of the first multivibrator output high level is 0.7R1C, exports low level time and is
0.7R2C；When the output end of the first multivibrator is high level, the magnetic valve that can control in left and right certain side mattress gas circuit is opened
Realization inflation is opened, when the output end of the first multivibrator is low level, corresponding electromagnetic valve of gas circuit can be controlled to close, realized
Air cushion is deflated and the rest that lies low；
Second multivibrator includes NE555 chips, resistance R3, resistance R4, diode D1, diode D2 and electric capacity
C；2 pin of NE555 chips connect power supply through diode D2, resistance R4, resistance R3 successively；2 pin of NE555 chips are also through diode D1
It is connected with its 7 pin；6 pin of NE555 chips are grounded also after electric capacity C；The resistance of the resistance R3, the resistance of resistance R4 are electricity
The resistance sum of resistance and the resistance R2 of R1 is hindered, to ensure that the second multivibrator exports time of high and low level with first
The cycle of multivibrator is equal, when the second multivibrator exports high level, the control that the first multivibrator is exported
Signal, when the second multivibrator exports low level, the first multivibrator is exported to the magnetic valve of wherein side gas circuit
Control signal to other side gas circuit magnetic valve, realize left and right sides gas circuit alternating inflation, deflate and the rest process that lies low.
Described the first solid-state relay and the second solid-state relay is consolidating for the big DC voltage of small DC voltage control
State relay.
The beneficial effects of the utility model：Can realize counteracting bedsores airbed left and right sides gas circuit alternately inflation, deflate and
Lie low the function of rest, and circuit structure is very simple.
Brief description of the drawings
Fig. 1 is circuit structure diagram of the present utility model；
Fig. 2 is the circuit theory diagrams of the first multivibrator in the utility model；
Fig. 3 is the cut-away view of single pole double throw analog switch in the utility model；
In figure：1st, the first multivibrator, the 2, second multivibrator, 3, single pole double throw analog switch, the 4, first solid-state
Relay, the 5, second solid-state relay, the 6, first power supply, 7, second source.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Counteracting bedsores airbed as shown in Figure 1 stands up control circuit, including the first multivibrator 1, second
Multivibrator 2, single pole double throw analog switchs the 3, first solid-state relay 4, the second solid-state relay 5, the first power supply 6 and second
Power supply 7.Wherein, single pole double throw analog switch is 3 in addition to power end and earth terminal, also four function ends, respectively common port,
Control end, normally opened end and normal-closed end.First power supply 6 is direct current 5V, and second source 7 is direct current 24V.
As shown in figure 1, the first multivibrator 1, the second multivibrator 2, single pole double throw analog switch the 3, first solid-state
The annexation of relay 4, the second solid-state relay 5, the first power supply 6 and second source 7 is as follows：
The positive pole of the first power supply 6 is opened with the first multivibrator 1, the second multivibrator 2 and single pole double throw analog respectively
Close 3 power pins electrical connection.Draw on the ground of the first multivibrator 1, the second multivibrator 2 and single pole double throw analog switch 3
Pin is connected by the way of altogether.The output end of the first multivibrator 1 is electrically connected with the common port of single pole double throw analog switch 3
Connect.The output end of the second multivibrator 2 is electrically connected with the control end of single pole double throw analog switch 3.When single pole double throw analog is opened
When the control end for closing 3 is high level, its common port is turned on normally opened end, when the control end of single pole double throw analog switch 3 is low electricity
Usually, its common port is turned on normal-closed end.The output signal of the first multivibrator 1 is square wave, the second multivibrator 2
Output signal is square wave, and square wave cycle T 2 be square wave cycle T 1 twice.The normally opened end of single pole double throw analog switch 3
Control end positive pole with the first solid-state relay 4 is electrically connected.The normal-closed end and the second solid-state relay of single pole double throw analog switch 3
5 control end positive pole electrical connection.The controlled end positive pole point of the controlled end positive pole of the first solid-state relay 4, the second solid-state relay 5
Positive pole not with second source 7 is electrically connected, the controlled end negative pole of the first solid-state relay 4, the controlled end of the second solid-state relay 5
Negative pole respectively with airbed on left and right side pipeline on the positive pole of magnetic valve connect one to one, be respectively used to air mattress
The control of left and right side pipeline solenoid opening and closing on pad.
As shown in Fig. 2 first multivibrator 1 includes NE555 chips, resistance R1, resistance R2, diode D1, two
Pole pipe D2 and electric capacity C；2 pin of NE555 chips connect power supply through diode D2, resistance R2, resistance R1 successively；2 pin of NE555 chips
Also it is connected with its 7 pin through diode D1；6 pin of NE555 chips are grounded also after electric capacity C.When NE555 chips just add voltage
When, 2 pin of NE555 chips（That is the positive pole of electric capacity C）It is low level, the output end of NE555（I.e. the first multivibrator 1 is defeated
Go out end）It is high level, power supply is charged by resistance R1 and diode D1 to electric capacity C, when the voltage on electric capacity C is charged to 2/3 V,
NE555 chip resets；When the first multivibrator 1 is output as low level, now electric capacity C by diode D2, resistance R2 and
The electric discharge tube discharge of NE555 chip internals, the time of the output high level of the first multivibrator 1 is 0.7R1C, exports low level
Time be 0.7R2C；When the output end of the first multivibrator 1 is high level, can control in left and right certain side mattress gas circuit
Magnetic valve open realize inflation, when the first multivibrator 1 output end be low level when, corresponding gas circuit electromagnetism can be controlled
Valve is closed, and realizes that air cushion is deflated and the rest that lies low.
The utility model counteracting bedsores airbed stands up control circuit, and second multivibrator 2 includes
NE555 chips, resistance R3, resistance R4, diode D1, diode D2 and electric capacity C.2 pin of NE555 chips are successively through diode
D2, resistance R4, resistance R3 connect power supply；2 pin of NE555 chips are also connected through diode D1 with its 7 pin；6 pin of NE555 chips are also
It is grounded after electric capacity C.Second multivibrator 2 is essentially identical with the circuit structure of the first multivibrator 1, and unique difference is
The resistance of resistance R3, the resistance of resistance R4 are the resistance of resistance R1 and the resistance sum of resistance R2.To ensure the second multi-resonant
Swinging device 2, to export cycle of the time of high and low level with the first multivibrator 1 equal.When the second multivibrator 2 exports height
During level, the control signal that the first multivibrator 1 is exported gives the magnetic valve of wherein side gas circuit, when the second multivibrator
2 output low level when, the control signal that the first multivibrator 1 is exported to other side gas circuit magnetic valve, to realize a left side
The alternating of right side gas circuit is inflated, is deflated and the rest process that lies low.
Counteracting bedsores airbed described in the utility model stands up control circuit, first multivibrator
The value of resistance R1 and resistance R2 in 1 is 1M Ω, and the value of electric capacity C is 1000uF.Resistance in second multivibrator 2
R1, resistance R2 values are 2M Ω, and the value of electric capacity C is 1000uF.
As shown in figure 3, the single pole double throw analog switch 3 uses MAX4544 chips, 8 pin of the MAX4544 chips are electricity
Source pin, 4 pin are ground, and 1 pin is normally opened end, and 2 pin are common port, and 3 pin are normal-closed end, and 7 pin are control end, when 7 pin are low level,
2 pin and 3 pin are turned on, and when 7 pin are high level, 2 pin and 1 pin are turned on.
In the present embodiment, first solid-state relay 4, that the second solid-state relay 5 is small DC voltage control is straight greatly
The solid-state relay of voltage is flowed, such as：MAG your solid-state relay JGX-1FA.The control end positive pole of the first solid-state relay 4,
The control end positive pole of the second solid-state relay 5 connects one to one with 1 pin and 3 pin of MAX4544 chips respectively, i.e.,：When first
When the control end positive pole of solid-state relay 4 is connected with 1 pin of MAX4544 chips, the control end positive pole of the second solid-state relay 5 with
The 3 pin connection of MAX4544 chips.
After testing, based on the control circuit that said elements build can realize airbed left and right sides gas circuit alternately inflation,
The function of deflating and rest, for unilateral gas circuit, inflationtime is 16.7 minutes, deflates and time of having a rest summation is 16.7 points
Clock, action control is stood up based on what multivibrator realized counteracting bedsores airbed.
Claims (4)
1. a kind of counteracting bedsores airbed stands up control circuit, it is characterised in that：Including the first multivibrator（1）、
Second multivibrator（2）, single pole double throw analog switch（3）, the first solid-state relay（4）, the second solid-state relay（5）,
One power supply（6）And second source（7）；
First multivibrator（1）, the second multivibrator（2）, single pole double throw analog switch（3）By the first power supply（6）
Power supply；
First multivibrator（1）Output end and single pole double throw analog switch（3）Common port electrical connection；
Second multivibrator（2）Output end and single pole double throw analog switch（3）Control end electrical connection；
The single pole double throw analog switch（3）Normally opened end and the first solid-state relay（4）Control end positive pole electrical connection；
The single pole double throw analog switch（3）Normal-closed end and the second solid-state relay（5）Control end positive pole electrical connection；
First solid-state relay（4）Controlled end positive pole, the second solid-state relay（5）Controlled end positive pole respectively with second
Power supply（7）Positive pole electrical connection, the first solid-state relay（4）Controlled end negative pole, the second solid-state relay（5）Controlled end bear
Pole respectively with airbed on left and right side pipeline on the positive pole of magnetic valve connect one to one.
2. counteracting bedsores airbed according to claim 1 stands up control circuit, it is characterised in that：Described first
Multivibrator（1）Output signal be square wave, the second multivibrator（2）Output signal be square wave, and square wave week
Phase T2 is the twice of the cycle T 1 of square wave.
3. counteracting bedsores airbed according to claim 1 and 2 stands up control circuit, it is characterised in that：It is described
First multivibrator（1）Including NE555 chips, resistance R1, resistance R2, diode D1, diode D2 and electric capacity C；NE555 cores
2 pin of piece connect power supply through diode D2, resistance R2, resistance R1 successively；2 pin of NE555 chips also connect through diode D1 and its 7 pin
Connect；6 pin of NE555 chips are grounded also after electric capacity C；
Second multivibrator（2）Including NE555 chips, resistance R3, resistance R4, diode D1, diode D2 and electric capacity
C；2 pin of NE555 chips connect power supply through diode D2, resistance R4, resistance R3 successively；2 pin of NE555 chips are also through diode D1
It is connected with its 7 pin；6 pin of NE555 chips are grounded also after electric capacity C；The resistance of the resistance R3, the resistance of resistance R4 are electricity
Hinder the resistance of R1 and the resistance sum of resistance R2.
4. counteracting bedsores airbed according to claim 1 and 2 stands up control circuit, it is characterised in that：It is described
The first solid-state relay（4）, the second solid-state relay（5）It is the solid-state relay of the big DC voltage of small DC voltage control
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620834596.XU CN206167250U (en) | 2016-08-03 | 2016-08-03 | Prevent bedsore air mattress's movement control circuit that stands up |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620834596.XU CN206167250U (en) | 2016-08-03 | 2016-08-03 | Prevent bedsore air mattress's movement control circuit that stands up |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206167250U true CN206167250U (en) | 2017-05-17 |
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ID=58674731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620834596.XU Expired - Fee Related CN206167250U (en) | 2016-08-03 | 2016-08-03 | Prevent bedsore air mattress's movement control circuit that stands up |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206167250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106176103A (en) * | 2016-08-03 | 2016-12-07 | 中国人民解放军第三军医大学第二附属医院 | A kind of counteracting bedsores air matting stand up control circuit |
-
2016
- 2016-08-03 CN CN201620834596.XU patent/CN206167250U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106176103A (en) * | 2016-08-03 | 2016-12-07 | 中国人民解放军第三军医大学第二附属医院 | A kind of counteracting bedsores air matting stand up control circuit |
| CN106176103B (en) * | 2016-08-03 | 2018-10-09 | 中国人民解放军第三军医大学第二附属医院 | A kind of turn control circuit of counteracting bedsores airbed |
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| 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: 20170517 Termination date: 20200803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |