CN210092934U - Air pressure output device suitable for wide voltage - Google Patents
Air pressure output device suitable for wide voltage Download PDFInfo
- Publication number
- CN210092934U CN210092934U CN201921283645.5U CN201921283645U CN210092934U CN 210092934 U CN210092934 U CN 210092934U CN 201921283645 U CN201921283645 U CN 201921283645U CN 210092934 U CN210092934 U CN 210092934U
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- China
- Prior art keywords
- power supply
- output device
- air pressure
- wide voltage
- pressure output
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Abstract
The utility model discloses a pneumatic output device of wide voltage of adaptation, its characterized in that: the power adapter, three lithium batteries, the step-up DC-DC power supply and the step-down DC-DC power supply are sequentially connected, and the output of the step-down DC-DC power supply is divided into three branches: the first branch is sequentially connected with a DC-DC power supply and a single chip microcomputer; the second branch is sequentially connected with the relay, the gas circuit and the air bag; the third branch is connected with the DC air pump, the air path and the air bag in sequence. The utility model discloses a DC-DC module steps up, and step-down DC-DC module control realizes a wide voltage air pressure control output device of adaptation.
Description
Technical Field
The utility model relates to a medical treatment rehabilitation equipment field, in particular to adapt to atmospheric pressure output device of wide voltage.
Background
For a 12.6V battery powered device, the battery voltage is typically connected to the air pump and associated solenoid valve as the supply voltage; after equipment uses a period, because battery power reduces, when reducing to 10V, air pump and solenoid valve operating voltage have arrived the critical value, and atmospheric pressure output is unstable, leads to whole gas circuit unstable: when the power adapter is used, the battery is charged by one circuit of the power adapter, and the air pump is connected by one circuit of the power adapter through a diode.
The above technique has the following disadvantages: 1. after the battery is used for a period of time, the electric quantity of the battery is reduced, and the air pump and the electromagnetic valve with low voltage are unstable in operation; 2. when the power adapter is used, electricity of the power adapter is generally DC15V, power is supplied to the air pump, the voltage is too high, and the air pump can generate heat after working for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming and not enough, provide an atmospheric pressure output device of wide voltage of adaptation, the device is through the DC-DC module that steps up, and step down DC-DC module control realizes a wide voltage atmospheric pressure control output device of adaptation.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an atmospheric pressure output device of wide voltage of adaptation, includes power adapter, three section lithium cell, the DC-DC power that steps up, step down DC-DC power that connect gradually, and the output of step down DC-DC power divides three branch road: the first branch is sequentially connected with a DC-DC power supply and a single chip microcomputer; the second branch is sequentially connected with the relay, the gas circuit and the air bag; the third branch is connected with the DC air pump, the air path and the air bag in sequence.
The power adapter is a power adapter of DC 15V.
The three lithium batteries comprise three single 4.2V lithium batteries, and the voltage of the three lithium polymer batteries is 12.6V.
The model of the boosting DC-DC power supply is LM 2587-ADJ.
The model of the voltage-reducing DC-DC power supply is LM 2576-ADJ.
The model of the DC air pump is 14200001, and the DC air pump is a 12V negative pressure pump.
The power supply requirement of the relay is direct current 12V.
The gas path is composed of a gas pipe.
The balloon is in contact with a treatment site of a patient.
The model of the DC-DC power supply is LM 2576-5.
The model of the single chip microcomputer is STC12C5A60S 2.
The working process of the utility model is as follows:
the first path of the power adapter, the three lithium batteries, the boosting DC-DC power supply, the step-down DC-DC power supply, the DC-DC power supply and the single chip microcomputer are sequentially connected; the DC-DC power supply provides direct current 5V to supply power to the singlechip, and the singlechip generates related instructions to control the air pump and the relay according to the operation of a user so that the air pressure of the air bag reaches a preset air pressure value and is supplied for human body treatment;
the other path of the circuit comprises a power adapter, three lithium batteries, a boosting DC-DC power supply, a voltage-reducing DC-DC power supply, a DC air pump, a relay, an air path and an air bag which are connected in sequence; when a 15V power adapter is connected, the power adapter charges a battery through an isolation diode and supplies power for a boosted DC-DC power supply by 15V, and the boosted DC-DC power supply enables the output to be fixed at 20V through boosting; the DC20V is connected to a voltage-reducing DC-DC power supply, stable 12V is generated by the voltage-reducing DC-DC power supply, and the stable 12V supplies power to a DC air pump and a relay; the stability of voltage is ensured, and the temperature of the air pump and the relay in the working state is not over-temperature; when the 15V power adapter is disconnected, the hardware system can be automatically switched to the battery for power supply, the voltage range of the battery is 10V-12.6V, the battery voltage is output through the boosting DC-DC to fix the DC20V, the DC20V is connected to the voltage reduction DC-DC power supply, the stable DC12V is generated through the voltage reduction DC-DC power supply, and the stable DC12V supplies power to the DC air pump and the relay.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model ensures that the output can be stabilized at 12V under the condition of low-voltage power supply of the battery, and the output voltage is stabilized at DC12V no matter the power supply is supplied by a power adapter or the voltage of the battery is reduced in the using process, thereby ensuring the stability of air pressure and realizing the function of adapting to the control of wide-voltage air pressure; therefore, the wide-voltage-adaptive air pressure control output device is realized.
Drawings
Fig. 1 is a block diagram of an air pressure output device adapted to a wide voltage according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1, a pneumatic output device adapted to wide voltage includes a power adapter, three lithium batteries, a boost DC-DC power supply, a buck DC-DC power supply, a DC-DC power supply, and a single chip microcomputer, which are connected in sequence in a first path; the DC-DC power supply provides direct current 5V to supply power to the singlechip, and the singlechip generates related instructions to control the air pump and the relay according to the operation of a user so that the air pressure of the air bag reaches a preset air pressure value and is supplied for human body treatment; the other path of the circuit comprises a power adapter, three lithium batteries, a boosting DC-DC power supply, a voltage-reducing DC-DC power supply, a DC air pump, a relay, an air path and an air bag which are connected in sequence; when a 15V power adapter is connected, the power adapter charges a battery through an isolation diode and supplies power for a boosted DC-DC power supply by 15V, and the boosted DC-DC power supply enables the output to be fixed at 20V through boosting; the DC20V is connected to a voltage-reducing DC-DC power supply, stable 12V is generated by the voltage-reducing DC-DC power supply, and the stable 12V supplies power to a DC air pump and a relay; the stability of voltage is ensured, and the temperature of the air pump and the relay in the working state is not over-temperature; when the 15V power adapter is disconnected, the hardware system can be automatically switched to the battery for power supply, the voltage range of the battery is 10V-12.6V, the battery voltage is output through the boosting DC-DC to fix the DC20V, the DC20V is connected to the voltage reduction DC-DC power supply, the stable DC12V is generated through the voltage reduction DC-DC power supply, and the stable DC12V supplies power to the DC air pump and the relay; the output can be stabilized at 12V under the condition of low-voltage power supply of the battery, and the output voltage is stabilized at DC12V no matter the power supply is supplied by a power adapter or the voltage of the battery is reduced in the using process, so that the stability of air pressure is ensured, and the function of adapting to wide-voltage air pressure control is realized; therefore, the wide-voltage-adaptive air pressure control output device is realized. The air pump is used as the source of the air path, and the relay controls the on-off of the air path to the air bag.
In fig. 1:
the power adapter: DC 15V;
three-segment lithium polymer batteries: single 4.2V lithium battery, three 12.6V;
the boosting DC-DC power supply is LM 2587-ADJ;
the voltage-reducing DC-DC power supply is LM 2576-ADJ;
the DC air pump is a 1420000112V negative pressure pump;
a relay: DC12 supply power;
gas circuit: a gas pipe;
an air bag: treating the contact site of the patient;
the DC-DC power supply is LM 2576-5;
a single chip microcomputer: the model used is STC12C5a60S 2.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. The utility model provides a pneumatic output device of wide voltage of adaptation which characterized in that: the power adapter, three lithium batteries, the step-up DC-DC power supply and the step-down DC-DC power supply are sequentially connected, and the output of the step-down DC-DC power supply is divided into three branches: the first branch is sequentially connected with a DC-DC power supply and a single chip microcomputer; the second branch is sequentially connected with the relay, the gas circuit and the air bag; the third branch is connected with the DC air pump, the air path and the air bag in sequence.
2. The wide voltage adaptable air pressure output device according to claim 1, wherein: the power adapter is a power adapter of DC 15V.
3. The wide voltage adaptable air pressure output device according to claim 1, wherein: the three lithium batteries comprise three single 4.2V lithium batteries, and the voltage of the three lithium polymer batteries is 12.6V.
4. The wide voltage adaptable air pressure output device according to claim 1, wherein: the model of the boosting DC-DC power supply is LM 2587-ADJ.
5. The wide voltage adaptable air pressure output device according to claim 1, wherein: the model of the voltage-reducing DC-DC power supply is LM 2576-ADJ.
6. The wide voltage adaptable air pressure output device according to claim 1, wherein: the model of the DC air pump is 14200001, and the DC air pump is a 12V negative pressure pump.
7. The wide voltage adaptable air pressure output device according to claim 1, wherein: the power supply requirement of the relay is direct current 12V.
8. The wide voltage adaptable air pressure output device according to claim 1, wherein: the model of the DC-DC power supply is LM 2576-5.
9. The wide voltage adaptable air pressure output device according to claim 1, wherein: the model of the single chip microcomputer is STC12C5A60S 2.
10. The wide voltage adaptable air pressure output device according to claim 1, wherein: the gas path is composed of a gas pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283645.5U CN210092934U (en) | 2019-08-08 | 2019-08-08 | Air pressure output device suitable for wide voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283645.5U CN210092934U (en) | 2019-08-08 | 2019-08-08 | Air pressure output device suitable for wide voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210092934U true CN210092934U (en) | 2020-02-18 |
Family
ID=69485870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921283645.5U Expired - Fee Related CN210092934U (en) | 2019-08-08 | 2019-08-08 | Air pressure output device suitable for wide voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210092934U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417095A (en) * | 2019-08-08 | 2019-11-05 | 广州龙之杰科技有限公司 | A kind of air pressure output device and method adapting to Width funtion |
-
2019
- 2019-08-08 CN CN201921283645.5U patent/CN210092934U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110417095A (en) * | 2019-08-08 | 2019-11-05 | 广州龙之杰科技有限公司 | A kind of air pressure output device and method adapting to Width funtion |
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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: 20200218 |
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| CF01 | Termination of patent right due to non-payment of annual fee |