CN110829581A - ICU room UPS power supply monitoring method and device - Google Patents
ICU room UPS power supply monitoring method and device Download PDFInfo
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- CN110829581A CN110829581A CN201911113849.9A CN201911113849A CN110829581A CN 110829581 A CN110829581 A CN 110829581A CN 201911113849 A CN201911113849 A CN 201911113849A CN 110829581 A CN110829581 A CN 110829581A
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- ups
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
Abstract
The invention relates to a UPS power monitoring method of an ICU chamber, which can accurately estimate the actual battery capacity of a UPS storage battery by recording the times m of the UPS which uses the UPS storage battery for charging and discharging passively because the commercial power is interrupted and the times n of the UPS which uses the UPS storage battery for charging and discharging artificially and actively because the commercial power is not interrupted in a certain time in real time, and provide reference for the reliable power supply of the subsequent UPS storage battery; meanwhile, the working voltage U of the UPS storage battery and the total working power P of the ICU room electric equipment are obtained through real-time monitoring, the accuracy of calculation of the backup delay time t of the UPS power supply can be ensured, the residual electric quantity of the power supply can be prompted in time, and the situation that the UPS power supply is interrupted suddenly is avoided.
Description
Technical Field
The invention relates to the technical field of UPS power supply monitoring, in particular to a UPS power supply monitoring method and device for an ICU chamber.
Background
The ICU, Intensive Care Unit (Intensive Care Unit), is a dedicated Intensive Care Unit that provides isolation and targeted monitoring for critically ill or unconscious patients. The devices in the ICU chamber comprise a breathing machine, an electrocardiogram monitor, an electric defibrillator, a sputum aspirator, a blood gas analyzer, an advanced nursing bed and the like, and all the devices need 24 hours to work, namely 24 hours of uninterrupted power supply. Thus, current ICU cabinets are equipped with a dedicated UPS power supply.
Ups (uninterruptible Power system) Power supply, i.e. an uninterruptible Power supply, is a constant voltage and constant frequency uninterruptible Power supply which contains an energy storage device and an inverter as a main component, and is mainly used for providing uninterrupted Power supply for computer network systems, Power electronic equipment, ICU rooms and other places. When the mains supply input is normal, the UPS supplies the mains supply to the load for use after stabilizing the voltage of the mains supply, and the UPS is an alternating current mains supply voltage stabilizer and also charges a built-in battery; when the commercial power is interrupted (power failure in accident), the UPS immediately supplies 220V alternating current to the load by the electric energy of the battery in the UPS through an inversion conversion method, so that the load can maintain normal work and the software and hardware of the load are protected from being damaged.
From the principle of the UPS power supply, it is obvious that the storage battery in the UPS is the core energy storage device of the USP power supply for providing the UPS. However, the storage battery has a life, the actual capacity of the storage battery when the storage battery is fully charged is lower and lower along with the increase of the service time of the battery, and if the storage battery is in a long-term charging state, for example, the commercial power is in a stable functional state for a long time, the UPS is not started to supply power to the storage battery at this time, but is in a working state of supplying the voltage-stabilized commercial power to a load for use, that is, the UPS power source is in a working state of charging only but not discharging for a long time, which further accelerates the damage of the storage battery. Therefore, monitoring the working state of the storage battery inside the USP power supply is a key factor for ensuring that the UPS power supply can supply power uninterruptedly.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the method and the device for accurately monitoring the residual electric quantity of the UPS in the ICU chamber in real time, which can prompt the residual electric quantity of the UPS in real time and avoid the interruption of the UPS chamber caused by sudden shortage of the UPS.
In order to achieve the purpose, the invention adopts the following technical scheme:
an ICU chamber UPS power supply monitoring method comprises the following steps:
s1, recording the times m of the UPS using the UPS storage battery for charging and discharging passively because of the interruption of the commercial power and the times n of the UPS using the UPS storage battery for charging and discharging artificially and actively because the commercial power interruption does not occur in a certain time;
s2, obtaining the total charging and discharging times k of the UPS storage battery according to the passive charging and discharging times m and the active charging and discharging times m of the UPS storage battery obtained in the step S1;
s3, acquiring the battery capacity Q of the UPS storage battery according to the total charging and discharging times k of the UPS storage battery and the mapping relation table of the battery capacity and the charging and discharging times of the UPS storage battery;
s4, when the mains supply is cut off and the UPS storage battery supplies power, monitoring the real-time dynamic working voltage U in the power supply process of the UPS storage battery and the real-time dynamic working power P of the ICU room electric equipment;
s5, calculating and obtaining the backup delay time t of the UPS power supply in the power supply process according to the battery capacity Q of the UPS storage battery obtained in the step S3, the real-time dynamic working voltage U of the UPS storage battery in the power supply process obtained in the step S4 and the real-time dynamic working power P of the ICU room power utilization equipment;
and S6, when the UPS voltage backup delay time t is less than the preset time, a warning prompt is sent out.
Further, the certain time period in the step S1 is specifically 7 days, 10 days, or 15 days.
Further, the total number of times k of charging and discharging of the UPS battery in step S2 = m + n, where m and n are integers greater than or equal to 0.
Further, the mapping relation table of the battery capacity and the charging and discharging times of the UPS storage battery is obtained by performing a plurality of charging and discharging tests on the UPS storage battery in advance.
Further, the real-time dynamic operating power P in step S5 is the total power of all the electrical devices in the ICU room.
Further, in step S5, the UPS power backup delay time t is calculated by the following formula: t = (Q × U)/P.
Further, the preset time in the step S6 is 5 minutes, 10 minutes or 15 minutes.
Further, the warning prompt in step S6 is specifically to send a prompt of the power shortage of the UPS battery to a mobile phone of a worker.
Compared with the prior art, the invention has the following prominent substantive characteristics and remarkable advantages:
1. the invention actively charges and discharges the UPS which does not have commercial power interruption within a certain time, so as to avoid the problem that the storage battery of the UPS is damaged or the function of the battery is degraded because the storage battery is not used for a long time.
2. The invention can accurately estimate the actual battery capacity of the UPS storage battery by recording the number m of times that the UPS passively uses the UPS storage battery for charging and discharging because the commercial power is interrupted and the number n of times that the UPS actively uses the UPS storage battery for charging and discharging because the commercial power is not interrupted within a certain time in real time, and provides reference for reliable power supply of the subsequent UPS storage battery.
3. According to the invention, the working voltage U of the UPS storage battery and the total working power P of the ICU room electric equipment are obtained through real-time monitoring, the accuracy of calculating the backup delay time t of the UPS power supply can be ensured, the residual electric quantity of the power supply can be prompted in time, and the situation that the UPS power supply is interrupted suddenly is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of a UPS power monitoring method for an ICU chamber.
Fig. 2 is a schematic structural diagram of an ICU room UPS power monitoring device provided by the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, a UPS power monitoring method in an ICU room includes the following steps:
s1, recording the times m of the UPS using the UPS storage battery for charging and discharging passively because of the mains supply interruption and the times n of the UPS using the UPS storage battery for charging and discharging actively because the mains supply interruption does not occur in 7 days or 10 days;
s2, obtaining the total charging and discharging times k = m + n of the UPS storage battery according to the passive charging and discharging times m and the active charging and discharging times n of the UPS storage battery obtained in the step S1;
s3, acquiring the battery capacity Q of the UPS storage battery according to the total charging and discharging times k of the UPS storage battery and the mapping relation table of the battery capacity and the charging and discharging times of the UPS storage battery;
s4, when the mains supply is cut off and the UPS storage battery supplies power, monitoring the real-time dynamic working voltage U in the power supply process of the UPS storage battery and the real-time dynamic working power P of the ICU room electric equipment;
s5, calculating and obtaining the backup delay time t of the UPS power supply in the power supply process according to the battery capacity Q of the UPS storage battery obtained in the step S3, the real-time dynamic working voltage U of the UPS storage battery in the power supply process obtained in the step S4 and the real-time dynamic working power P of the ICU room power utilization equipment;
and S6, when the UPS voltage backup delay time t is less than 5 minutes or 10 minutes, sending a short message for prompting that the electric quantity of the UPS storage battery is insufficient to a mobile phone of a worker.
Example two:
with reference to figure 2 of the drawings,
an ICU room UPS power supply monitoring device comprises a passive charge-discharge counting module, an active charge-discharge control module, a microprocessor, a voltage monitoring unit, a power monitoring unit, an external database and a warning unit; the microprocessor is respectively connected with the passive charge-discharge counting module, the active charge-discharge control module, the voltage monitoring unit, the power monitoring unit, the external database and the warning unit; wherein the content of the first and second substances,
the passive discharge counting module is used for monitoring and recording the number m of times that the UPS passively uses the UPS storage battery for supplying power because of the interruption of the mains supply, and sending the acquired number m to the microprocessor;
the active charging and discharging control module is used for controlling the UPS to actively use the storage battery to supply power, monitoring and recording the number n of times of active power supply of the storage battery and sending the number n to the microprocessor when the UPS does not generate commercial power interruption within a certain time;
the voltage monitoring unit is used for monitoring the real-time dynamic working voltage U in the power supply process of the UPS storage battery when the UPS storage battery supplies power when the commercial power is cut off, and sending the real-time dynamic working voltage U to the microprocessor;
the power monitoring unit is used for sending the real-time dynamic working power P of the power equipment of the ICU chamber to the microprocessor when the UPS storage battery supplies power when the commercial power is cut off;
the microprocessor is used for calculating all the charging and discharging times k of the UPS storage battery according to the acquired times m of passively using the UPS storage battery for supplying power and the times n of actively supplying power to the storage battery, acquiring the battery capacity Q of the UPS storage battery after the charging and discharging times k are completed according to a mapping relation table of the battery capacity and the charging and discharging times of the UPS storage battery, which is stored in an external database in advance, and calculating the real-time backup delay time t of the UPS storage battery based on the acquired battery capacity Q, the real-time dynamic working voltage U and the real-time dynamic working power P;
and the warning unit is used for sending out warning of the electric quantity shortage of the UPS storage battery when the UPS voltage backup delay time t is less than the preset time.
Further, the certain time is specifically 7 days, 10 days or 15 days.
Further, the preset time is 5 minutes, 10 minutes or 15 minutes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An ICU room UPS power supply monitoring method is characterized in that: the method comprises the following steps:
s1, recording the times m of the UPS using the UPS storage battery for charging and discharging passively because of the interruption of the commercial power and the times n of the UPS using the UPS storage battery for charging and discharging artificially and actively because the commercial power interruption does not occur in a certain time;
s2, obtaining the total charging and discharging times k of the UPS storage battery according to the passive charging and discharging times m and the active charging and discharging times m of the UPS storage battery obtained in the step S1;
s3, acquiring the battery capacity Q of the UPS storage battery according to the total charging and discharging times k of the UPS storage battery and the mapping relation table of the battery capacity and the charging and discharging times of the UPS storage battery;
s4, when the mains supply is cut off and the UPS storage battery supplies power, monitoring the real-time dynamic working voltage U in the power supply process of the UPS storage battery and the real-time dynamic working power P of the ICU room electric equipment;
s5, calculating and obtaining the backup delay time t of the UPS power supply in the power supply process according to the battery capacity Q of the UPS storage battery obtained in the step S3, the real-time dynamic working voltage U of the UPS storage battery in the power supply process obtained in the step S4 and the real-time dynamic working power P of the ICU room power utilization equipment;
and S6, when the UPS voltage backup delay time t is less than the preset time, a warning prompt is sent out.
2. An ICU room UPS power monitoring method as claimed in claim 1 wherein: the certain time in step S1 is specifically 7 days, 10 days, or 15 days.
3. An ICU room UPS power monitoring method as claimed in claim 1 wherein: the total number k = m + n of charging and discharging times of the UPS battery in step S2, where m and n are integers greater than or equal to 0.
4. An ICU room UPS power monitoring method as claimed in claim 1 wherein: the mapping relation table of the battery capacity and the charging and discharging times of the UPS storage battery is obtained by carrying out a plurality of times of charging and discharging tests on the UPS storage battery in advance.
5. An ICU room UPS power monitoring method as claimed in claim 1 wherein: the real-time dynamic working power P in step S5 is the total power of all the electrical devices in the ICU room.
6. An ICU room UPS power monitoring method as claimed in claim 1 wherein: in step S5, the UPS power backup delay time t is calculated by the following formula: t = (Q × U)/P.
7. An ICU room UPS power monitoring method as claimed in claim 1 wherein: the preset time in the step S6 is 5 minutes, 10 minutes or 15 minutes.
8. An ICU room UPS power monitoring method as claimed in claim 1 wherein: the warning prompt in step S6 is specifically to send a prompt that the battery capacity of the UPS battery is insufficient to the mobile phone of the worker.
9. An ICU room UPS power supply monitoring device comprises a passive charge-discharge counting module, an active charge-discharge control module, a microprocessor, a voltage monitoring unit, a power monitoring unit, an external database and a warning unit; the microprocessor is respectively connected with the passive charge-discharge counting module, the active charge-discharge control module, the voltage monitoring unit, the power monitoring unit, the external database and the warning unit; it is characterized in that the preparation method is characterized in that,
the passive discharge counting module is used for monitoring and recording the number m of times that the UPS passively uses the UPS storage battery for supplying power because of the interruption of the mains supply, and sending the acquired number m to the microprocessor;
the active charging and discharging control module is used for controlling the UPS to actively use the storage battery to supply power, monitoring and recording the number n of times of active power supply of the storage battery and sending the number n to the microprocessor when the UPS does not generate commercial power interruption within a certain time;
the voltage monitoring unit is used for monitoring the real-time dynamic working voltage U in the power supply process of the UPS storage battery when the UPS storage battery supplies power when the commercial power is cut off, and sending the real-time dynamic working voltage U to the microprocessor;
the power monitoring unit is used for sending the real-time dynamic working power P of the power equipment of the ICU chamber to the microprocessor when the UPS storage battery supplies power when the commercial power is cut off;
the microprocessor is used for calculating all the charging and discharging times k of the UPS storage battery according to the acquired times m of passively using the UPS storage battery for supplying power and the times n of actively supplying power to the storage battery, acquiring the battery capacity Q of the UPS storage battery after the charging and discharging times k are completed according to a mapping relation table of the battery capacity and the charging and discharging times of the UPS storage battery, which is stored in an external database in advance, and calculating the real-time backup delay time t of the UPS storage battery based on the acquired battery capacity Q, the real-time dynamic working voltage U and the real-time dynamic working power P;
and the warning unit is used for sending out warning of the electric quantity shortage of the UPS storage battery when the UPS voltage backup delay time t is less than the preset time.
10. An ICU chamber UPS power monitoring arrangement as claimed in claim 1 wherein: the certain time is specifically 7 days, 10 days or 15 days; the preset time is 5 minutes, 10 minutes or 15 minutes.
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| CN201911113849.9A CN110829581A (en) | 2019-11-14 | 2019-11-14 | ICU room UPS power supply monitoring method and device |
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| CN201911113849.9A CN110829581A (en) | 2019-11-14 | 2019-11-14 | ICU room UPS power supply monitoring method and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399619A (en) * | 2020-03-05 | 2020-07-10 | 广州市友达电子科技有限公司 | Method and device for safely and automatically shutting down network storage equipment |
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Application publication date: 20200221 |