CN215344063U - Power supply continuous power supply device for medical equipment - Google Patents
Power supply continuous power supply device for medical equipment Download PDFInfo
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- CN215344063U CN215344063U CN202121258935.1U CN202121258935U CN215344063U CN 215344063 U CN215344063 U CN 215344063U CN 202121258935 U CN202121258935 U CN 202121258935U CN 215344063 U CN215344063 U CN 215344063U
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Abstract
The utility model discloses a continuous power supply device for a power supply of medical equipment, which relates to the field of power supply, and comprises a mains supply module, a first power supply module and a second power supply module, wherein the mains supply module is used for providing 220V alternating current as a first power supply; the voltage reduction rectification filtering module is used for converting 220V alternating current into low-voltage direct current; the switch protection module is used for conducting the circuit and preventing the circuit from being damaged by high voltage; the relay working module is used for controlling the conduction of the battery working module according to whether the voltage input by the switch protection module is a high level or a low level; compared with the prior art, the utility model has the beneficial effects that: the scheme comprises two power supplies, namely a mains supply and a battery power supply, wherein when the mains supply is normal, the mains supply supplies power to the medical equipment, and after the mains supply is disconnected, the battery power supply supplies power to the medical equipment; the voltage supplied by the two power supplies is adjustable; meanwhile, the battery power supply can disconnect the charging circuit after being fully charged, so that the battery is prevented from being overcharged.
Description
Technical Field
The utility model relates to the field of power supply, in particular to a continuous power supply device for a power supply for medical equipment.
Background
Whether a medical device can exert its maximum efficiency in a hospital is in direct relation with the technical performance of the machine itself and also has an extremely important relation with the quality of the power supply. The quality of the power supply directly affects the operation stability and reliability of the medical equipment, even causes major medical equipment accidents and huge economic loss.
When the medical equipment cannot be used continuously due to sudden power failure, the condition of a patient is worsened, and even death may occur in serious cases, so that the power supply device of the medical equipment needs to be improved to ensure that the medical equipment can be used when the power is cut off.
Disclosure of Invention
The present invention is directed to a continuous power supply device for a medical device, so as to solve the problems of the background art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a continuous power supply device for medical equipment comprises
The commercial power supply module is used as a first power supply to provide 220V alternating current;
the voltage reduction rectification filtering module is used for converting 220V alternating current into low-voltage direct current;
the switch protection module is used for conducting the circuit and preventing the circuit from being damaged by high voltage;
the relay working module is used for controlling the conduction of the battery working module according to whether the voltage input by the switch protection module is a high level or a low level;
the battery working module is used as a second power supply to supply power after the first power supply stops supplying power;
the voltage regulating module is used for regulating the output voltage;
the commercial power supply module is connected with the voltage-reducing rectifying and filtering module, the voltage-reducing rectifying and filtering module is connected with the switch protection module, the switch protection module is connected with the relay working module and the battery working module, the relay working module is connected with the battery working module and the voltage regulating module, and the battery working module is connected with the voltage regulating module.
As a still further scheme of the utility model: the switch protection module comprises a switch S1 and a transient suppression diode D5, one end of the switch S1 is connected with the step-down rectification filter module, the other end of the switch S1 is connected with the negative electrode of the diode D5 and the relay working module, and the positive electrode of the diode D5 is grounded.
As a still further scheme of the utility model: the relay working module comprises a relay J3, a diode D6, a resistor R2, a switch S2 and a switch S3, one end of the relay J3 is connected with the other end of the switch S1, the resistor R2 and the anode of the diode D6, the other end of the relay J3 is grounded, the cathode of the diode D6 is connected with the switch S3 and the voltage adjusting module, the other end of the switch S3 is connected with the switch S2 and the battery working module, and the other end of the switch S2 is connected with the other end of the resistor R2.
As a still further scheme of the utility model: the battery working module comprises a battery E1, a resistor R3, a battery protection board U1, a capacitor C2 and a relay J2, the positive electrode of the battery E1 is connected with the relay working module and the resistor R3, the negative electrode of the battery E1 is connected with the capacitor C2 and the No. 6 pin of the battery protection board U1, the other end of the capacitor C2 is connected with the other end of the resistor R3 and the No. 5 pin of the battery protection board U1, the No. 3 pin of the battery protection board U1 is connected with the relay J2, and the other end of the relay J2 is grounded.
As a still further scheme of the utility model: the voltage regulation module comprises a voltage stabilizer U2, a potentiometer RP1, a resistor R4 and an output voltage VOUT, the input end of the voltage stabilizer U2 is connected with the switch protection module, the grounding end of the voltage stabilizer U2 is connected with the potentiometer RP1 and the resistor R4, the other end of the potentiometer RP1 is grounded, and the output end of the voltage stabilizer U2 is connected with the other end of the resistor R4 and the output voltage VOUT.
Compared with the prior art, the utility model has the beneficial effects that: the scheme comprises two power supplies, namely a mains supply and a battery power supply, wherein when the mains supply is normal, the mains supply supplies power to the medical equipment, and after the mains supply is disconnected, the battery power supply supplies power to the medical equipment; the voltage supplied by the two power supplies is adjustable; meanwhile, the battery power supply can disconnect the charging circuit after being fully charged, so that the battery is prevented from being overcharged.
Drawings
Fig. 1 is a schematic diagram of a power supply continuous power supply device for medical equipment.
Fig. 2 is a circuit diagram of a power supply continuous power supply device for medical equipment.
Fig. 3 is a pin diagram of the battery protection plate DW 01.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1, a continuous power supply device for medical equipment includes
The commercial power supply module is used as a first power supply to provide 220V alternating current;
the voltage reduction rectification filtering module is used for converting 220V alternating current into low-voltage direct current;
the switch protection module is used for conducting the circuit and preventing the circuit from being damaged by high voltage;
the relay working module is used for controlling the conduction of the battery working module according to whether the voltage input by the switch protection module is a high level or a low level;
the battery working module is used as a second power supply to supply power after the first power supply stops supplying power;
the voltage regulating module is used for regulating the output voltage;
the commercial power supply module is connected with the voltage-reducing rectifying and filtering module, the voltage-reducing rectifying and filtering module is connected with the switch protection module, the switch protection module is connected with the relay working module and the battery working module, the relay working module is connected with the battery working module and the voltage regulating module, and the battery working module is connected with the voltage regulating module.
In this embodiment: the switch protection module comprises a switch S1 and a transient suppression diode D5, one end of the switch S1 is connected with the step-down rectification filter module, the other end of the switch S1 is connected with the negative electrode of the diode D5 and the relay working module, and the positive electrode of the diode D5 is grounded.
When the circuit voltage is normal, the transient suppression diode D5 is in a high-resistance state, and at the moment, the transient suppression diode D5 is not conducted; when the circuit voltage is over-voltage, the transient suppression diode D5 changes into a low-impedance state, the voltage is connected to the ground from the transient suppression diode, and the safety of the circuit is protected.
In this embodiment: referring to fig. 2, the relay operating module includes a relay J3, a diode D6, a resistor R2, a switch S2, and a switch S3, one end of the relay J3 is connected to the other end of the switch S1, the resistor R2, and the anode of the diode D6, the other end of the relay J3 is grounded, the cathode of the diode D6 is connected to the switch S3 and the voltage adjusting module, the other end of the switch S3 is connected to the switch S2 and the battery operating module, and the other end of the switch S2 is connected to the other end of the resistor R2.
When the relay J2 works, the switch S2 is closed, and when the relay J2 does not work, the switch S2 springs open; when the relay J3 works, the switch S3 springs open, and when the relay J3 does not work, the switch S3 is closed; the diode D6 prevents the voltage supplied by the battery E1 from operating the relay J3.
In this embodiment, please refer to fig. 2, the battery operating module includes a battery E1, a resistor R3, a battery protection board U1, a capacitor C2, and a relay J2, a positive electrode of the battery E1 is connected to the relay operating module and the resistor R3, a negative electrode of the battery E1 is connected to the capacitor C2 and a pin No. 6 of the battery protection board U1, the other end of the capacitor C2 is connected to the other end of the resistor R3 and the pin No. 5 of the battery protection board U1, the pin No. 3 of the battery protection board U1 is connected to the relay J2, and the other end of the relay J2 is grounded.
Referring to fig. 3, when the voltage of the battery E1 of the battery protection board J2 does not reach the threshold value, the pin No. 3 of the battery protection board U1 outputs a high level, and at this time, the switch S2 is closed, and the battery E1 is charged; when the voltage of the battery E1 reaches the threshold value, the No. 3 pin of the battery protection board U1 outputs low level, the switch S2 is bounced open, and the battery E1 stops charging to prevent overcharging.
In this embodiment: referring to fig. 2, the voltage regulation module includes a voltage regulator U2, a potentiometer RP1, a resistor R4, and an output voltage VOUT, the input terminal of the voltage regulator U2 is connected to the switch protection module, the ground terminal of the voltage regulator U2 is connected to the potentiometer RP1 and the resistor R4, the other terminal of the potentiometer RP1 is grounded, and the output terminal of the voltage regulator U2 is connected to the other terminal of the resistor R4 and the output voltage VOUT.
The regulator U2 may be a 78 series regulator, and the magnitude of the output voltage VOUT is changed by changing the resistance of the potentiometer RP1 and changing the resistance ratio of the potentiometer RP1 to the resistor R4.
The working principle of the utility model is as follows: when the mains supply is used as a first power supply for supplying power, the mains supply module outputs 220V alternating current, stable direct current is output through the voltage reduction rectification filtering module to supply power for the battery E1, and adjustable voltage is output through the voltage adjusting module; after the commercial power supply is disconnected, the battery E1 supplies power as a second power supply, the voltage required by the medical equipment is adjusted through the voltage adjusting module, the medical equipment is always in a working state through the two power supplies, and the condition deterioration of a patient caused by the fact that the medical equipment cannot work is prevented.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A medical equipment power supply continuous power supply device is characterized in that:
the continuous power supply device for the power supply of the medical equipment comprises
The commercial power supply module is used as a first power supply to provide 220V alternating current;
the voltage reduction rectification filtering module is used for converting 220V alternating current into low-voltage direct current;
the switch protection module is used for conducting the circuit and preventing the circuit from being damaged by high voltage;
the relay working module is used for controlling the conduction of the battery working module according to whether the voltage input by the switch protection module is a high level or a low level;
the battery working module is used as a second power supply to supply power after the first power supply stops supplying power;
the voltage regulating module is used for regulating the output voltage;
the commercial power supply module is connected with the voltage-reducing rectifying and filtering module, the voltage-reducing rectifying and filtering module is connected with the switch protection module, the switch protection module is connected with the relay working module and the battery working module, the relay working module is connected with the battery working module and the voltage regulating module, and the battery working module is connected with the voltage regulating module.
2. The continuous power supply device for the power supply of the medical equipment according to claim 1, wherein the switch protection module comprises a switch S1 and a transient suppression diode D5, one end of the switch S1 is connected with the buck rectifying and filtering module, the other end of the switch S1 is connected with the cathode of the diode D5 and the relay working module, and the anode of the diode D5 is grounded.
3. The continuous power supply device for the power supply of the medical equipment according to claim 1, wherein the relay operation module comprises a relay J3, a diode D6, a resistor R2, a switch S2 and a switch S3, one end of the relay J3 is connected with the other end of the switch S1, a resistor R2 and the anode of the diode D6, the other end of the relay J3 is grounded, the cathode of the diode D6 is connected with the switch S3 and the voltage regulation module, the other end of the switch S3 is connected with the switch S2 and the battery operation module, and the other end of the switch S2 is connected with the other end of the resistor R2.
4. The continuous power supply device for the power supply of the medical equipment as claimed in claim 2, wherein the battery working module comprises a battery E1, a resistor R3, a battery protection board U1, a capacitor C2 and a relay J2, the positive pole of the battery E1 is connected with the relay working module and the resistor R3, the negative pole of the battery E1 is connected with the capacitor C2 and the pin No. 6 of the battery protection board U1, the other end of the capacitor C2 is connected with the other end of the resistor R3 and the pin No. 5 of the battery protection board U1, the pin No. 3 of the battery protection board U1 is connected with the relay J2, and the other end of the relay J2 is grounded.
5. The continuous power supply device for the power supply of the medical equipment according to claim 1, wherein the voltage regulation module comprises a voltage stabilizer U2, a potentiometer RP1, a resistor R4 and an output voltage VOUT, the input end of the voltage stabilizer U2 is connected with the switch protection module, the grounding end of the voltage stabilizer U2 is connected with the potentiometer RP1 and the resistor R4, the other end of the potentiometer RP1 is grounded, and the output end of the voltage stabilizer U2 is connected with the other end of the resistor R4 and the output voltage VOUT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121258935.1U CN215344063U (en) | 2021-06-07 | 2021-06-07 | Power supply continuous power supply device for medical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121258935.1U CN215344063U (en) | 2021-06-07 | 2021-06-07 | Power supply continuous power supply device for medical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215344063U true CN215344063U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121258935.1U Active CN215344063U (en) | 2021-06-07 | 2021-06-07 | Power supply continuous power supply device for medical equipment |
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| Country | Link |
|---|---|
| CN (1) | CN215344063U (en) |
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2021
- 2021-06-07 CN CN202121258935.1U patent/CN215344063U/en active Active
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